// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman // Ken Silverman's official web site: "http://www.advsys.net/ken" // See the included license file "BUILDLIC.TXT" for license info. // // This file has been modified from Ken Silverman's original release // by Jonathon Fowler (jf@jonof.id.au) #define ENGINE #include "compat.h" #include "build.h" #include "pragmas.h" #include "cache1d.h" #include "a.h" #include "osd.h" #include "crc32.h" #include "quicklz.h" #include "baselayer.h" #include "scriptfile.h" #ifdef USE_OPENGL # include "glbuild.h" # include "mdsprite.h" # ifdef POLYMER # include "polymer.h" # endif # include "hightile.h" # include "polymost.h" # ifdef _WIN32 # define WIN32_LEAN_AND_MEAN # include # endif #endif #ifdef USE_LIBPNG //# include # ifdef NEDMALLOC # define PNG_USER_MEM_SUPPORTED # endif # include #endif #include #include "engine_priv.h" #define CACHEAGETIME 16 #if !defined DEBUG_MAIN_ARRAYS const int32_t engine_main_arrays_are_static = 0; // for Lunatic #else const int32_t engine_main_arrays_are_static = 1; #endif float debug1, debug2; static void drawpixel_safe(void *s, char a) { #if defined __GNUC__ if (__builtin_expect((intptr_t)s >= frameplace && (intptr_t)s < frameplace+bytesperline*ydim, 1)) #else if ((intptr_t)s >= frameplace && (intptr_t)s < frameplace+bytesperline*ydim) #endif drawpixel(s, a); #ifdef DEBUGGINGAIDS else { const char c = editorcolors[15]; drawpixel((intptr_t *)frameplace, c); drawpixel((intptr_t *)frameplace+1, c); drawpixel((intptr_t *)frameplace+2, c); drawpixel((intptr_t *)frameplace+bytesperline, c); drawpixel((intptr_t *)frameplace+bytesperline+1, c); drawpixel((intptr_t *)frameplace+bytesperline+2, c); drawpixel((intptr_t *)frameplace+2*bytesperline, c); drawpixel((intptr_t *)frameplace+2*bytesperline+1, c); drawpixel((intptr_t *)frameplace+2*bytesperline+2, c); } #endif } //void loadvoxel(int32_t voxindex) { UNREFERENCED_PARAMATER(voxindex); } int16_t tiletovox[MAXTILES]; int32_t usevoxels = 1; //#define kloadvoxel loadvoxel int32_t novoxmips = 1; int32_t editorgridextent = 131072; //These variables need to be copied into BUILD #define MAXXSIZ 256 #define MAXYSIZ 256 #define MAXZSIZ 255 #define MAXVOXMIPS 5 static intptr_t voxoff[MAXVOXELS][MAXVOXMIPS]; static char voxlock[MAXVOXELS][MAXVOXMIPS]; int32_t voxscale[MAXVOXELS]; static int32_t ggxinc[MAXXSIZ+1], ggyinc[MAXXSIZ+1]; static int32_t lowrecip[1024], nytooclose, nytoofar; static uint32_t distrecip[65536+256]; static intptr_t *lookups = NULL; static int32_t dommxoverlay = 1, beforedrawrooms = 1; int32_t indrawroomsandmasks = 0; static int32_t oxdimen = -1, oviewingrange = -1, oxyaspect = -1; // r_usenewaspect is the cvar, newaspect_enable to trigger the new behaviour in the code int32_t r_usenewaspect = 1, newaspect_enable=0; uint32_t r_screenxy = 403; // 4:3 aspect ratio int32_t curbrightness = 0, gammabrightness = 0; double vid_gamma = DEFAULT_GAMMA; double vid_contrast = DEFAULT_CONTRAST; double vid_brightness = DEFAULT_BRIGHTNESS; //Textured Map variables static char globalpolytype; static int16_t *dotp1[MAXYDIM], *dotp2[MAXYDIM]; static int8_t tempbuf[MAXWALLS]; int32_t ebpbak, espbak; static intptr_t slopalookup[16384]; // was 2048 #if defined(USE_OPENGL) palette_t palookupfog[MAXPALOOKUPS]; #endif static int32_t artversion; int32_t mapversion=7; // JBF 20040211: default mapversion to 7 char picsiz[MAXTILES]; static void *pic = NULL; static char permanentlock = 255; static char tilefilenum[MAXTILES]; static int32_t tilefileoffs[MAXTILES]; static int32_t lastageclock; static int32_t artsize = 0, cachesize = 0; // Whole ART file contents loaded from ZIPs in memory. static char *artptrs[MAXTILEFILES]; // GCC 4.6 LTO build fix #ifdef USING_LTO # define B_ENGINE_STATIC #else # define B_ENGINE_STATIC static #endif static int16_t radarang2[MAXXDIM]; B_ENGINE_STATIC uint16_t ATTRIBUTE((used)) sqrtable[4096], ATTRIBUTE((used)) shlookup[4096+256]; const char pow2char[8] = {1,2,4,8,16,32,64,128}; const int32_t pow2long[32] = { 1L,2L,4L,8L, 16L,32L,64L,128L, 256L,512L,1024L,2048L, 4096L,8192L,16384L,32768L, 65536L,131072L,262144L,524288L, 1048576L,2097152L,4194304L,8388608L, 16777216L,33554432L,67108864L,134217728L, 268435456L,536870912L,1073741824L,2147483647L }; int32_t reciptable[2048], fpuasm; char britable[16][256]; // JBF 20040207: full 8bit precision extern char textfont[2048], smalltextfont[2048]; static char kensmessage[128]; const char *engineerrstr = "No error"; int32_t showfirstwall=0; int32_t showheightindicators=2; int32_t circlewall=-1; //char cachedebug = 0; qlz_state_compress *state_compress = NULL; qlz_state_decompress *state_decompress = NULL; int32_t whitecol; #ifdef POLYMER static int16_t maphacklightcnt=0; static int16_t maphacklight[PR_MAXLIGHTS]; #endif // forward refs inline int32_t getscreenvdisp(int32_t bz, int32_t zoome); void screencoords(int32_t *xres, int32_t *yres, int32_t x, int32_t y, int32_t zoome); static void scansector(int16_t sectnum); static void draw_rainbow_background(void); int16_t editstatus = 0; ////////// YAX ////////// int32_t numgraysects = 0; uint8_t graysectbitmap[MAXSECTORS>>3]; uint8_t graywallbitmap[MAXWALLS>>3]; int32_t autogray = 0, showinnergray = 1; #ifdef YAX_DEBUG double hitickspersec; #endif #ifdef ENGINE_SCREENSHOT_DEBUG int32_t engine_screenshot = 0; #endif void yax_updategrays(int32_t posze) { int32_t i, j, k=1; #ifdef YAX_ENABLE int32_t mingoodz=INT32_MAX, maxgoodz=INT32_MIN; #else UNREFERENCED_PARAMETER(posze); #endif Bmemset(graysectbitmap, 0, sizeof(graysectbitmap)); Bmemset(graywallbitmap, 0, sizeof(graywallbitmap)); for (i=0; i=0 || fb>=0) && (sector[i].ceilingz <= posze && posze <= sector[i].floorz)) { mingoodz = min(mingoodz, sector[i].ceilingz); maxgoodz = max(maxgoodz, sector[i].floorz); } #endif // update grayouts due to editorzrange k &= (sector[i].ceilingz >= editorzrange[0] && sector[i].floorz <= editorzrange[1]); if (!k) // outside bounds, gray out! graysectbitmap[i>>3] |= (1<<(i&7)); } #ifdef YAX_ENABLE if (autogray && mingoodz<=maxgoodz) { for (i=0; i>3] |= (1<<(i&7)); } #endif numgraysects = 0; for (i=0; i>3]&(1<<(i&7))) { numgraysects++; for (j=sector[i].wallptr; j>3] |= (1<<(j&7)); } } } #if !defined YAX_ENABLE # warning Non-TROR builds are supported only for debugging. Expect savegame breakage etc... #endif #ifdef YAX_ENABLE // all references to floor/ceiling bunchnums should be through the // get/set functions! int32_t g_nodraw = 0; int32_t scansector_retfast = 0; static int32_t scansector_collectsprites = 1; int32_t yax_globalcf = -1, yax_nomaskpass=0, yax_nomaskdidit; // engine internal int32_t r_tror_nomaskpass = 1; // cvar int32_t yax_globallev = YAX_MAXDRAWS; int32_t yax_globalbunch = -1; // duplicated tsprites // [i]: // i==MAXDRAWS: base level // iMAXDRAWS: i-MAXDRAWS-1 is level towards floor static int16_t yax_spritesortcnt[1 + 2*YAX_MAXDRAWS]; static uint16_t yax_tsprite[1 + 2*YAX_MAXDRAWS][MAXSPRITESONSCREEN]; static uint8_t yax_tsprfrombunch[1 + 2*YAX_MAXDRAWS][MAXSPRITESONSCREEN]; // drawn sectors uint8_t yax_gotsector[MAXSECTORS>>3]; // engine internal // game-time YAX data structures int16_t yax_bunchnum[MAXSECTORS][2]; int16_t yax_nextwall[MAXWALLS][2]; static int32_t yax_islockededge(int32_t line, int32_t cf) { return !!(wall[line].cstat&(YAX_NEXTWALLBIT(cf))); } #define YAX_PTRBUNCHNUM(Ptr, Sect, Cf) (*(&Ptr[Sect].ceilingxpanning + 8*Cf)) #define YAX_BUNCHNUM(Sect, Cf) YAX_PTRBUNCHNUM(sector, Sect, Cf) //// bunch getters/setters int16_t yax_getbunch(int16_t i, int16_t cf) { if (editstatus==0) return yax_bunchnum[i][cf]; if (((*(§or[i].ceilingstat + cf))&YAX_BIT)==0) return -1; return YAX_BUNCHNUM(i, cf); } void yax_getbunches(int16_t i, int16_t *cb, int16_t *fb) { *cb = yax_getbunch(i, YAX_CEILING); *fb = yax_getbunch(i, YAX_FLOOR); } // bunchnum: -1: also clear yax-nextwalls (forward and reverse) // -2: don't clear reverse yax-nextwalls // -3: don't clear either forward or reverse yax-nextwalls void yax_setbunch(int16_t i, int16_t cf, int16_t bunchnum) { if (editstatus==0) { yax_bunchnum[i][cf] = bunchnum; return; } if (bunchnum < 0) { int32_t j; int16_t ynw; if (bunchnum > -3) { // TODO: for in-game too? for (j=sector[i].wallptr; j= 0) { if (bunchnum > -2) yax_setnextwall(ynw, !cf, -1); yax_setnextwall(j, cf, -1); } } } *(§or[i].ceilingstat + cf) &= ~YAX_BIT; YAX_BUNCHNUM(i, cf) = 0; return; } *(§or[i].ceilingstat + cf) |= YAX_BIT; YAX_BUNCHNUM(i, cf) = bunchnum; } void yax_setbunches(int16_t i, int16_t cb, int16_t fb) { yax_setbunch(i, YAX_CEILING, cb); yax_setbunch(i, YAX_FLOOR, fb); } //// nextwall getters/setters int16_t yax_getnextwall(int16_t wal, int16_t cf) { if (editstatus==0) return yax_nextwall[wal][cf]; if (!yax_islockededge(wal, cf)) return -1; return YAX_NEXTWALL(wal, cf); } // unchecked! void yax_setnextwall(int16_t wal, int16_t cf, int16_t thenextwall) { if (editstatus==0) { yax_nextwall[wal][cf] = thenextwall; return; } if (thenextwall >= 0) { wall[wal].cstat |= YAX_NEXTWALLBIT(cf); YAX_NEXTWALL(wal, cf) = thenextwall; } else { wall[wal].cstat &= ~YAX_NEXTWALLBIT(cf); YAX_NEXTWALL(wal, cf) = cf?-1:0; } } // make one step in the vertical direction, and if the wall we arrive at // is red, return its nextsector. int16_t yax_vnextsec(int16_t line, int16_t cf) { int16_t ynw = yax_getnextwall(line, cf); if (ynw < 0) return -1; return wall[ynw].nextsector; } //// in-struct --> array transfer (only resetstat==0); list construction // resetstat: 0: reset and read data from structs and construct linked lists etc. // 1: only reset // 2: read data from game-time arrays and construct linked lists etc. void yax_update(int32_t resetstat) { int32_t i, j, oeditstatus=editstatus; int16_t cb, fb, tmpsect; if (resetstat != 2) numyaxbunches = 0; for (i=0; i=numsectors) yax_bunchnum[i][0] = yax_bunchnum[i][1] = -1; nextsectbunch[0][i] = nextsectbunch[1][i] = -1; } for (i=0; i=numwalls) yax_nextwall[i][0] = yax_nextwall[i][1] = -1; if (resetstat==1) return; // constuct singly linked list of sectors-of-bunch // read bunchnums directly from the sector struct in yax_[gs]etbunch{es}! editstatus = (resetstat==0); // use oeditstatus to check for in-gamedness from here on! if (resetstat==0) { // make bunchnums consecutive uint8_t *const havebunch = (uint8_t *)tempbuf; uint8_t *const bunchmap = havebunch + (YAX_MAXBUNCHES>>3); int32_t dasub = 0; Bmemset(havebunch, 0, YAX_MAXBUNCHES>>3); for (i=0; i=0) havebunch[cb>>3] |= (1<<(cb&7)); if (fb>=0) havebunch[fb>>3] |= (1<<(fb&7)); } for (i=0; i>3]&(1<<(i&7)))==0) { bunchmap[i] = 255; dasub++; continue; } bunchmap[i] = i-dasub; } for (i=0; i=0) yax_setbunch(i, YAX_CEILING, bunchmap[cb]); if (fb>=0) yax_setbunch(i, YAX_FLOOR, bunchmap[fb]); } } // in-struct --> array transfer (resetstat==0) and list construction for (i=numsectors-1; i>=0; i--) { yax_getbunches(i, &cb, &fb); if (resetstat==0) { yax_bunchnum[i][0] = cb; yax_bunchnum[i][1] = fb; } if (cb >= 0) { if (resetstat==0) for (j=sector[i].wallptr; j= 0) { if (resetstat==0) for (j=sector[i].wallptr; j>3]; // adapted from build.c static void yax_getclosestpointonwall(int32_t dawall, int32_t *closestx, int32_t *closesty) { int64_t i, j, wx,wy, wx2,wy2, dx, dy; wx = wall[dawall].x; wy = wall[dawall].y; wx2 = wall[wall[dawall].point2].x; wy2 = wall[wall[dawall].point2].y; dx = wx2 - wx; dy = wy2 - wy; i = dx*(globalposx-wx) + dy*(globalposy-wy); if (i <= 0) { *closestx = wx; *closesty = wy; return; } j = dx*dx + dy*dy; if (i >= j) { *closestx = wx2; *closesty = wy2; return; } i=((i<<15)/j)<<15; *closestx = wx + ((dx*i)>>30); *closesty = wy + ((dy*i)>>30); } static inline int32_t yax_walldist(int32_t w) { int32_t closestx, closesty; yax_getclosestpointonwall(w, &closestx, &closesty); return klabs(closestx-globalposx) + klabs(closesty-globalposy); // return klabs(wall[w].x-globalposx) + klabs(wall[w].y-globalposy); } // calculate distances to bunches and best start-drawing sectors static void yax_scanbunches(int32_t bbeg, int32_t numhere, const uint8_t *lastgotsector) { int32_t bnchcnt, bunchnum, j, k; int32_t startwall, endwall; UNREFERENCED_PARAMETER(lastgotsector); scansector_retfast = 1; scansector_collectsprites = 0; for (bnchcnt=bbeg; bnchcnt=0) if ((ns=wall[w].nextsector)>=0) if ((lastgotsector[ns>>3]&(1<<(ns&7)))==0) continue; */ walldist = yax_walldist(j); if (walldist < bestwalldist) { checkthisec = 1; bestwalldist = walldist; } } if (checkthisec) { numscans = numbunches = 0; if (getrendermode()==0) scansector(k); #ifdef USE_OPENGL else polymost_scansector(k); #endif if (numbunches > 0) { bestsec = k; bestbestdist = bestwalldist; } } } bunchsec[bunchnum] = bestsec; bunchdist[bunchnum] = bestbestdist; } scansector_collectsprites = 1; scansector_retfast = 0; } static int yax_cmpbunches(const int16_t *b1, const int16_t *b2) { return (bunchdist[*b2] - bunchdist[*b1]); } void yax_tweakpicnums(int32_t bunchnum, int32_t cf, int32_t restore) { // for polymer, this is called before polymer_drawrooms() with restore==0 // and after polymer_drawmasks() with restore==1 int32_t i, dastat; static int16_t opicnum[2][MAXSECTORS]; #ifdef DEBUGGINGAIDS static uint8_t expect_restore[2][YAX_MAXBUNCHES]; // must call this with restore == 0, 1, 0, 1, 0, 1, ... assert(expect_restore[cf][bunchnum] == restore); expect_restore[cf][bunchnum] = !expect_restore[cf][bunchnum]; #endif for (SECTORS_OF_BUNCH(bunchnum, cf, i)) { dastat = (SECTORFLD(i,stat, cf)&(128+256)); // only consider non-masked ceilings/floors if (dastat==0 || (restore==1 && opicnum[cf][i]&0x8000)) { if (!restore) { opicnum[cf][i] = SECTORFLD(i,picnum, cf); if (editstatus && showinvisibility) SECTORFLD(i,picnum, cf) = MAXTILES-1; else //if ((dastat&(128+256))==0) SECTORFLD(i,picnum, cf) = 13; //FOF; } else { SECTORFLD(i,picnum, cf) = opicnum[cf][i]; } #ifdef POLYMER // will be called only in editor if (rendmode==4) { if (!restore) { SECTORFLD(i,stat, cf) |= 128; opicnum[cf][i] |= 0x8000; } else { SECTORFLD(i,stat, cf) &= ~128; SECTORFLD(i,picnum, cf) &= 0x7fff; opicnum[cf][i] = 0; } } #endif } } } static void yax_copytsprites() { int32_t i, spritenum, gotthrough, sectnum; int32_t sortcnt = yax_spritesortcnt[yax_globallev]; const spritetype *spr; for (i=0; isectnum; if (gotthrough == (MAXSPRITES|(MAXSPRITES<<1))) { if (yax_globalbunch != yax_tsprfrombunch[yax_globallev][i]) continue; } else { int32_t cf = -1; if (gotthrough == MAXSPRITES) cf = YAX_CEILING; // sprite got here through the ceiling of lower sector else if (gotthrough == (MAXSPRITES<<1)) cf = YAX_FLOOR; // sprite got here through the floor of upper sector if (cf != -1) { if ((yax_globallev-YAX_MAXDRAWS)*(-1 + 2*cf) > 0) if (yax_getbunch(sectnum, cf) != yax_globalbunch) continue; sectnum = yax_getneighborsect(spr->x, spr->y, sectnum, cf, NULL); if (sectnum < 0) continue; } } if (spritesortcnt >= MAXSPRITESONSCREEN) break; Bmemcpy(&tsprite[spritesortcnt], spr, sizeof(spritetype)); spriteext[spritenum].tspr = &tsprite[spritesortcnt]; tsprite[spritesortcnt].owner = spritenum; tsprite[spritesortcnt].sectnum = sectnum; // potentially tweak sectnum! spritesortcnt++; } } void yax_preparedrawrooms(void) { if (getrendermode()==4 || numyaxbunches==0) return; g_nodraw = 1; Bmemset(yax_spritesortcnt, 0, sizeof(yax_spritesortcnt)); Bmemset(haveymost, 0, (numyaxbunches+7)>>3); if (getrendermode()==0 && ymostallocsize < xdimen*numyaxbunches) { ymostallocsize = xdimen*numyaxbunches; yumost = Brealloc(yumost, ymostallocsize*sizeof(int16_t)); ydmost = Brealloc(ydmost, ymostallocsize*sizeof(int16_t)); if (!yumost || !ydmost) { initprintf("OUT OF MEMORY in yax_preparedrawrooms!\n"); uninitengine(); exit(10); } } } void yax_drawrooms(void (*ExtAnalyzeSprites)(void), int32_t horiz, int16_t sectnum) { static uint8_t havebunch[YAX_MAXBUNCHES>>3]; int32_t i, j, k, lev, cf, nmp; int32_t bnchcnt, bnchnum[2] = {0,0}, maxlev[2]; int16_t ourbunch[2] = {-1,-1}, osectnum=sectnum; int32_t bnchbeg[YAX_MAXDRAWS][2], bnchend[YAX_MAXDRAWS][2]; int32_t bbeg, numhere; // original (1st-draw) and accumulated ('per-level') gotsector bitmaps static uint8_t ogotsector[MAXSECTORS>>3], lgotsector[MAXSECTORS>>3]; #ifdef YAX_DEBUG uint64_t t; #endif if (getrendermode()==4 || numyaxbunches==0) { #ifdef ENGINE_SCREENSHOT_DEBUG engine_screenshot = 0; #endif return; } // if we're here, there was just a drawrooms() call with g_nodraw=1 Bmemcpy(ogotsector, gotsector, (numsectors+7)>>3); if (sectnum >= 0) yax_getbunches(sectnum, &ourbunch[0], &ourbunch[1]); Bmemset(&havebunch, 0, (numyaxbunches+7)>>3); // first scan all bunches above, then all below... for (cf=0; cf<2; cf++) { yax_globalcf = cf; if (cf==1) { sectnum = osectnum; Bmemcpy(gotsector, ogotsector, (numsectors+7)>>3); } for (lev=0; /*lev>3]&(1<<(i&7)))) continue; j = yax_getbunch(i, cf); if (j >= 0 && !(havebunch[j>>3]&(1<<(j&7)))) { if (getrendermode()==0 && (haveymost[j>>3]&(1<<(j&7)))==0) { yaxdebug("%s, l %d: skipped bunch %d (no *most)", cf?"v":"^", lev, j); continue; } if ((SECTORFLD(i,stat, cf)&2) || (cf==0 && globalposz > sector[i].ceilingz) || (cf==1 && globalposz < sector[i].floorz)) { havebunch[j>>3] |= (1<<(j&7)); bunches[cf][bnchnum[cf]++] = j; bnchend[lev][cf]++; numhere++; } } } if (numhere > 0) { // found bunches -- need to fake-draw yax_scanbunches(bbeg, numhere, (uint8_t *)gotsector); qsort(&bunches[cf][bbeg], numhere, sizeof(int16_t), (int(*)(const void *, const void *))&yax_cmpbunches); if (numhere > 1 && lev != YAX_MAXDRAWS-1) Bmemset(lgotsector, 0, (numsectors+7)>>3); for (bnchcnt=bbeg; bnchcnt < bbeg+numhere; bnchcnt++) { j = bunches[cf][bnchcnt]; // the actual bunchnum... yax_globalbunch = j; #ifdef YAX_DEBUG t=gethiticks(); #endif k = bunchsec[j]; if (k < 0) { yaxprintf("%s, l %d: skipped bunch %d\n", cf?"v":"^", lev, j); continue; } if (lev != YAX_MAXDRAWS-1) { #ifdef YAX_DEBUG int32_t odsprcnt = yax_spritesortcnt[yax_globallev]; #endif // +MAXSECTORS: force drawrooms(globalposx,globalposy,globalposz,globalang,horiz,k+MAXSECTORS); if (numhere > 1) for (i=0; i<(numsectors+7)>>3; i++) lgotsector[i] |= gotsector[i]; yaxdebug("l%d: faked (bn %2d) sec %4d,%3d dspr, ob=[%2d,%2d], sn=%4d, %.3f ms", yax_globallev-YAX_MAXDRAWS, j, k, yax_spritesortcnt[yax_globallev]-odsprcnt, ourbunch[0],ourbunch[1],sectnum, (double)(1000*(gethiticks()-t))/hitickspersec); } if (ourbunch[cf]==j) { ourbunch[cf] = yax_getbunch(k, cf); sectnum = k; } } if (numhere > 1 && lev != YAX_MAXDRAWS-1) Bmemcpy(gotsector, lgotsector, (numsectors+7)>>3); } if (numhere==0 || lev==YAX_MAXDRAWS-1) { // no new bunches or max level reached maxlev[cf] = lev - (numhere==0); break; } } } // yax_globalcf = -1; // now comes the real drawing! g_nodraw = 0; scansector_collectsprites = 0; #if 1 //def ENGINE_CLEAR_SCREEN if (editstatus==1) { if (getrendermode()==0) { begindrawing(); draw_rainbow_background(); enddrawing(); } #ifdef USE_OPENGL else { bglClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); } #endif } #endif for (cf=0; cf<2; cf++) { yax_globalcf = cf; for (lev=maxlev[cf]; lev>=0; lev--) { yax_globallev = YAX_MAXDRAWS + (-1 + 2*cf)*(lev+1); scansector_collectsprites = (lev == YAX_MAXDRAWS-1); for (bnchcnt=bnchbeg[lev][cf]; bnchcnt=0; nmp--) { yax_nomaskpass = nmp; drawrooms(globalposx,globalposy,globalposz,globalang,horiz,k+MAXSECTORS); // +MAXSECTORS: force if (nmp==1) { yaxdebug("nm1 l%d: DRAWN (bn %2d) sec %4d, %.3f ms", yax_globallev-YAX_MAXDRAWS, j, k, (double)(1000*(gethiticks()-t))/hitickspersec); if (!yax_nomaskdidit) { yax_nomaskpass = 0; break; // no need to draw the same stuff twice } Bmemcpy(yax_gotsector, gotsector, (numsectors+7)>>3); } } if (!scansector_collectsprites) spritesortcnt = 0; yax_copytsprites(); yaxdebug("nm0 l%d: DRAWN (bn %2d) sec %4d,%3d tspr, %.3f ms", yax_globallev-YAX_MAXDRAWS, j, k, spritesortcnt, (double)(1000*(gethiticks()-t))/hitickspersec); ExtAnalyzeSprites(); drawmasks(); } if (lev < maxlev[cf]) for (bnchcnt=bnchbeg[lev+1][cf]; bnchcnt= 0) for (bnchcnt=bnchbeg[0][cf]; bnchcnt0) { char purple = getclosestcol(63, 0, 63); char yellow = getclosestcol(63, 63, 0); begindrawing(); for (i=0; i>3]&(1<= 0 && yumost[x] < ydim && (x&1)) *((char *)frameplace + yumost[x]*bytesperline + x-x1) = purple; if (ydmost[x]-1 >= 0 && ydmost[x]-1 < ydim && !(x&1)) *((char *)frameplace + (ydmost[x]-1)*bytesperline + x-x1) = yellow; } } enddrawing(); } #endif } #endif // defined YAX_ENABLE // must have writable frame buffer, i.e. done begindrawing() static void draw_rainbow_background(void) { int32_t i, j; const int32_t dimenprod = bytesperline*ydimen; char *const p = (char *)frameplace; j = 0; for (i=0; i= xdimen) { while (j < bytesperline) i++, j++; j = 0; } } } // // setslope // void setslope(int32_t sectnum, int32_t cf, int16_t slope) { if (slope==0) { SECTORFLD(sectnum,stat, cf) &= ~2; SECTORFLD(sectnum,heinum, cf) = 0; } else { SECTORFLD(sectnum,stat, cf) |= 2; SECTORFLD(sectnum,heinum, cf) = slope; } } ////////// editor side view ////////// int32_t m32_sideview = 0; int32_t m32_sideelev = 256; // elevation in BUILD degrees, 0..512 int16_t m32_sideang = 200; // azimuth, 0..2047 int32_t m32_sidecos, m32_sidesin; int32_t m32_swcnt; int32_t m32_wallscreenxy[MAXWALLS][2]; int16_t m32_wallsprite[MAXWALLS+MAXSPRITES]; static int32_t m32_sidedist[MAXWALLS+MAXSPRITES]; static vec3_t m32_viewplane; ////// sector-like clipping for sprites ////// #ifdef HAVE_CLIPSHAPE_FEATURE typedef struct { int16_t numsectors, numwalls; sectortype *sector; walltype *wall; } mapinfo_t; static void mapinfo_set(mapinfo_t *bak, mapinfo_t *new) { if (bak) { bak->numsectors = numsectors; bak->numwalls = numwalls; bak->sector = sector; bak->wall = wall; } if (new) { numsectors = new->numsectors; numwalls = new->numwalls; sector = new->sector; wall = new->wall; } } static mapinfo_t origmapinfo, clipmapinfo; static int32_t quickloadboard=0; #define CM_MAX 256 // must be a power of 2 typedef struct { int16_t qbeg, qend; // indices into sectq int16_t picnum, next; int32_t maxdist; } clipinfo_t; static int32_t numclipmaps; static clipinfo_t clipinfo[CM_MAX]; static int32_t numclipsects; // number in sectq[] static int16_t *sectoidx, *sectq; // [numsectors] static int16_t pictoidx[MAXTILES]; // maps tile num to clipinfo[] index static int16_t *tempictoidx; static sectortype *loadsector; static walltype *loadwall, *loadwallinv; static spritetype *loadsprite; // sectoidx bits #define CM_NONE (CM_MAX<<1) #define CM_SOME (CM_NONE-1) #define CM_OUTER (CM_MAX) // sector surrounds clipping sector // sprite -> sector tag mappings #define CM_XREPEAT floorpal #define CM_YREPEAT floorxpanning #define CM_XOFFSET ceilingshade #define CM_YOFFSET floorshade #define CM_CSTAT hitag #define CM_ANG extra #define CM_FLOORZ(Sec) (*(int32_t *)§or[Sec].ceilingxpanning) // ceilingxpanning,ceilingypanning,floorpicnum #define CM_CEILINGZ(Sec) (*(int32_t *)§or[Sec].visibility) // visibility,filler,lotag // backup of original normalized coordinates #define CM_WALL_X(Wal) (*(int32_t *)&wall[Wal].picnum) #define CM_WALL_Y(Wal) (*(int32_t *)&wall[Wal].lotag) // don't rotate when applying clipping, for models with rotational symmetry #define CM_NOROT(Spri) (sprite[Spri].cstat&2) #define CM_NOROTS(Sect) (sector[Sect].CM_CSTAT&2) static void clipmapinfo_init() { int32_t i; numclipmaps = 0; numclipsects = 0; if (sectq) { Bfree(sectq); sectq=NULL; } if (sectoidx) { Bfree(sectoidx); sectoidx=NULL; } if (tempictoidx) { Bfree(tempictoidx); tempictoidx=NULL; } for (i=0; iMAXSECTORS || ournumwalls+numwalls>MAXWALLS || ournumsprites+Numsprites>MAXSPRITES) { initprintf("clip map: warning: exceeded limits when loading %s, aborting.\n", g_clipMapFiles[fi]); break; } Bmemcpy(loadsector+ournumsectors, sector, numsectors*sizeof(sectortype)); Bmemcpy(loadwall+ournumwalls, wall, numwalls*sizeof(walltype)); Bmemcpy(loadsprite+ournumsprites, sprite, Numsprites*sizeof(spritetype)); for (i=ournumsectors; i=0) loadwall[i].point2 += ournumwalls; if (loadwall[i].nextwall>=0) { loadwall[i].nextwall += ournumwalls; loadwall[i].nextsector += ournumsectors; } } for (i=ournumsprites; i=0) loadsprite[i].sectnum += ournumsectors; ournumsectors += numsectors; ournumwalls += numwalls; ournumsprites += Numsprites; ++lwcp; } quickloadboard = 0; if (ournumsectors==0 || ournumwalls==0 || ournumsprites==0) // nothing loaded { clipmapinfo_init(); Bfree(fisec); Bfree(fispr); return -1; } // shrink loadsector = Brealloc(loadsector, ournumsectors*sizeof(sectortype)); loadwall = Brealloc(loadwall, ournumwalls*sizeof(walltype)); Bmemcpy(sector, loadsector, ournumsectors*sizeof(sectortype)); Bmemcpy(wall, loadwall, ournumwalls*sizeof(walltype)); Bmemcpy(sprite, loadsprite, ournumsprites*sizeof(spritetype)); numsectors = ournumsectors; numwalls = ournumwalls; // vvvv don't use headsprite[sect,stat]! vvvv sectoidx = Bmalloc(numsectors*sizeof(sectoidx[0])); if (!sectoidx || !sector || !wall) { clipmapinfo_init(); Bfree(fisec); Bfree(fispr); return 1; } for (i=0; i=0 && sectoidx[wall[w].nextsector]==CM_OUTER) { wall[k].nextwall = wall[k].nextsector = -1; wall[w].nextwall = wall[w].nextsector = -1; } } } { int16_t ns, outersect; int32_t pn,scnt, x,y,z, maxdist; sectq = Bmalloc(numsectors*sizeof(sectq[0])); tempictoidx = Bmalloc(MAXTILES*sizeof(tempictoidx[0])); if (!sectq || !tempictoidx) { clipmapinfo_init(); Bfree(fisec); Bfree(fispr); return 1; } for (i=0; i=MAXTILES || k<0 || k>=numsectors || (sectoidx[k]&CM_OUTER)) continue; if (numclipmaps >= CM_MAX) { initprintf("warning: reached max clip map number %d, not processing any more\n", CM_MAX); break; } // chain if (pictoidx[pn]>=0) { if (sectoidx[k]&CM_SOME) { for (fi = 0; fi < g_clipMapFilesNum; ++fi) if (k>=fisec[fi]) break; initprintf("clip map \"%s\": error: tried to chain picnum %d (sprite %d) in sector %d which" " already belongs to picnum %d.\n", g_clipMapFiles[fi], pn, i-fispr[fi], k-fisec[fi], clipinfo[sectoidx[k]].picnum); clipmapinfo_init(); Bfree(fisec); Bfree(fispr); return 2; } // new one is front clipinfo[numclipmaps].next = pictoidx[pn]; pictoidx[pn] = numclipmaps; } else { clipinfo[numclipmaps].next = -1; pictoidx[pn] = numclipmaps; } if (!CM_NOROT(i)) { if (sprite[i].ang!=1536 && sprite[i].ang!=512) { for (fi = 0; fi < g_clipMapFilesNum; ++fi) if (i>=fispr[fi]) break; initprintf("clip map \"%s\": warning: sprite %d pointing neither northward nor southward. %s will be wrong.\n", g_clipMapFiles[fi], i-fispr[fi], (sprite[i].cstat&48)==32 ? "Scaling and flipping" : "X-flipping"); } } clipinfo[numclipmaps].picnum = pn; // collect sectors scnt = numclipsects; sectq[numclipsects++] = k; sectoidx[k] = numclipmaps; clipinfo[numclipmaps].qbeg = scnt; outersect = -1; do { k = sectq[scnt]; for (w=sector[k].wallptr; w=0) { if (sectoidx[ns]==CM_NONE) { sectoidx[ns] = numclipmaps; sectq[numclipsects++] = ns; } else if (sectoidx[ns]&CM_OUTER) { if (outersect>=0 && ns!=outersect) { for (fi = 0; fi < g_clipMapFilesNum; ++fi) if (ns>=fisec[fi]) break; initprintf("clip map \"%s\": error: encountered more than one outer sector (%d and %d)" " for sprite %d.\n", g_clipMapFiles[fi], outersect-fisec[fi], ns-fisec[fi], i-fispr[fi]); clipmapinfo_init(); Bfree(fisec); Bfree(fispr); return 3; } outersect = ns; sectoidx[outersect] |= numclipmaps; } else if (sectoidx[ns]!=numclipmaps) { for (fi = 0; fi < g_clipMapFilesNum; ++fi) if (ns>=fisec[fi]) break; initprintf("clip map \"%s\": error: encountered sector %d belonging to index %d" " while collecting sectors for sprite %d (index %d).\n", g_clipMapFiles[fi], ns-fisec[fi], sectoidx[ns], i-fispr[fi], numclipmaps); clipmapinfo_init(); Bfree(fisec); Bfree(fispr); return 4; } } } } while (++scnt < numclipsects); if (outersect==-1) { initprintf("clip map: INTERNAL ERROR: outersect==-1!\n"); clipmapinfo_init(); Bfree(fisec); Bfree(fispr); return 5; } sectq[numclipsects++] = outersect; // last is outer clipinfo[numclipmaps].qend = numclipsects-1; // normalize maxdist = 0; for (scnt=clipinfo[numclipmaps].qbeg; scnt<=clipinfo[numclipmaps].qend; scnt++) { k = sectq[scnt]; x = sprite[i].x; y = sprite[i].y; z = sprite[i].z; sector[k].floorz -= z; sector[k].ceilingz -= z; if (scnt==clipinfo[numclipmaps].qbeg) { // backup sprite tags since we'll discard sprites later sector[k].CM_XREPEAT = sprite[i].xrepeat; sector[k].CM_YREPEAT = sprite[i].yrepeat; sector[k].CM_XOFFSET = sprite[i].xoffset; sector[k].CM_YOFFSET = sprite[i].yoffset; sector[k].CM_CSTAT = sprite[i].cstat; sector[k].CM_ANG = sprite[i].ang; } // backup floor and ceiling z CM_FLOORZ(k) = sector[k].floorz; CM_CEILINGZ(k) = sector[k].ceilingz; for (w=sector[k].wallptr; w maxdist) maxdist = klabs(wall[w].x); if (klabs(wall[w].y) > maxdist) maxdist = klabs(wall[w].y); } else { int32_t tmp = ksqrt(wall[w].x*wall[w].x + wall[w].y*wall[w].y); if (tmp > maxdist) maxdist = tmp; } } // aliasing if (wall[w].lotag>0 || wall[w].hitag>0) { int32_t ii; if (wall[w].lotag>0 && wall[w].hitag>0) { if (wall[w].lotag > wall[w].hitag) swapshort(&wall[w].lotag, &wall[w].hitag); for (ii=wall[w].lotag; ii0) { if (wall[w].lotag=0) pictoidx[i]=tempictoidx[i]; } Bfree(loadsprite); loadsprite=NULL; Bfree(tempictoidx); tempictoidx=NULL; // don't let other code be distracted by the temporary map we constructed numsectors = 0; numwalls = 0; initspritelists(); if (lwcp > 0) initprintf("Loaded clip map%s.\n", lwcp==1?"":"s"); Bfree(fisec); Bfree(fispr); return 0; } #endif ////// ////// #define WALLS_ARE_CONSISTENT(k) ((wall[k].x == x2 && wall[k].y == y2) \ && ((wall[wall[k].point2]).x == x1 && (wall[wall[k].point2]).y == y1)) static int32_t getscore(int32_t w1c, int32_t w1f, int32_t w2c, int32_t w2f) { int32_t minflor, maxceil; if (w1c > w1f) swaplong(&w1c, &w1f); if (w2c > w2f) swaplong(&w2c, &w2f); // now: c <= f for each "wall-vline" maxceil = max(w1c, w2c); minflor = min(w1f, w2f); return minflor-maxceil; } const int16_t *chsecptr_onextwall = NULL; int32_t checksectorpointer(int16_t i, int16_t sectnum) { int32_t startsec, endsec; int32_t j, k, startwall, endwall, x1, y1, x2, y2, numnewwalls=0; int32_t bestnextwall=-1, bestnextsec=-1, bestwallscore=INT32_MIN; int32_t cz[4], fz[4], tmp[2], tmpscore=0; #ifdef YAX_ENABLE int16_t cb[2], fb[2]; #endif #if 0 if (checksectorpointer_warn && (i<0 || i>=max(numwalls,newnumwalls))) { char buf[128]; Bsprintf(buf, "WARN: checksectorpointer called with i=%d but (new)numwalls=%d", i, max(numwalls,newnumwalls)); OSD_Printf("%s\n", buf); printmessage16("%s", buf); return 0; } #endif x1 = wall[i].x; y1 = wall[i].y; x2 = (wall[wall[i].point2]).x; y2 = (wall[wall[i].point2]).y; k = wall[i].nextwall; if (k >= 0) //Check for early exit { if (WALLS_ARE_CONSISTENT(k)) return 0; wall[k].nextwall = wall[k].nextsector = -1; } if ((unsigned)wall[i].nextsector < (unsigned)numsectors && wall[i].nextwall < 0) { // if we have a nextsector but no nextwall, take this as a hint // to search only the walls of that sector startsec = wall[i].nextsector; endsec = startsec+1; } else { startsec = 0; endsec = numsectors; } wall[i].nextsector = wall[i].nextwall = -1; if (chsecptr_onextwall && (k=chsecptr_onextwall[i])>=0 && wall[k].nextwall<0) { // old next wall found if (WALLS_ARE_CONSISTENT(k)) { j = sectorofwall(k); wall[i].nextsector = j; wall[i].nextwall = k; wall[k].nextsector = sectnum; wall[k].nextwall = i; return 1; } } for (j=startsec; j=0 && wall[k].nextwall != i) continue; #ifdef YAX_ENABLE yax_getbunches(sectnum, &cb[0], &fb[0]); yax_getbunches(j, &cb[1], &fb[1]); if ((cb[0]>=0 && cb[0]==cb[1]) || (fb[0]>=0 && fb[0]==fb[1])) { tmpscore = INT32_MAX; } else #endif { getzsofslope(sectnum, x1,y1, &cz[0],&fz[0]); getzsofslope(sectnum, x2,y2, &cz[1],&fz[1]); getzsofslope(j, x1,y1, &cz[2],&fz[2]); getzsofslope(j, x2,y2, &cz[3],&fz[3]); tmp[0] = getscore(cz[0],fz[0], cz[2],fz[2]); tmp[1] = getscore(cz[1],fz[1], cz[3],fz[3]); if ((tmp[0]^tmp[1]) >= 0) tmpscore = tmp[0]+tmp[1]; else tmpscore = max(tmp[0], tmp[1]); } if (bestnextwall == -1 || tmpscore > bestwallscore) { bestwallscore = tmpscore; bestnextwall = k; bestnextsec = j; } numnewwalls++; } } // sectnum -2 means dry run if (bestnextwall >= 0 && sectnum!=-2) #ifdef YAX_ENABLE // for walls with TROR neighbors, be conservative in case if score <=0 // (meaning that no wall area is mutually visible) -- it could be that // another sector is a better candidate later on if ((yax_getnextwall(i, 0)<0 && yax_getnextwall(i, 1)<0) || bestwallscore>0) #endif { // initprintf("w%d new nw=%d (score %d)\n", i, bestnextwall, bestwallscore) wall[i].nextsector = bestnextsec; wall[i].nextwall = bestnextwall; wall[bestnextwall].nextsector = sectnum; wall[bestnextwall].nextwall = i; } return numnewwalls; } #undef WALLS_ARE_CONSISTENT #if defined(_MSC_VER) && !defined(NOASM) // // Microsoft C Inline Assembly Routines // static inline int32_t nsqrtasm(int32_t a) { _asm { push ebx mov eax, a test eax, 0xff000000 mov ebx, eax jnz short over24 shr ebx, 12 mov cx, word ptr shlookup[ebx*2] jmp short under24 over24: shr ebx, 24 mov cx, word ptr shlookup[ebx*2+8192] under24: shr eax, cl mov cl, ch mov ax, word ptr sqrtable[eax*2] shr eax, cl pop ebx } } static inline int32_t msqrtasm(int32_t c) { _asm { push ebx mov ecx, c mov eax, 0x40000000 mov ebx, 0x20000000 begit: cmp ecx, eax jl skip sub ecx, eax lea eax, [eax+ebx*4] skip: sub eax, ebx shr eax, 1 shr ebx, 2 jnz begit cmp ecx, eax sbb eax, -1 shr eax, 1 pop ebx } } //0x007ff000 is (11<<13), 0x3f800000 is (127<<23) static inline int32_t krecipasm(int32_t a) { _asm { push ebx mov eax, a mov fpuasm, eax fild dword ptr fpuasm add eax, eax fstp dword ptr fpuasm sbb ebx, ebx mov eax, fpuasm mov ecx, eax and eax, 0x007ff000 shr eax, 10 sub ecx, 0x3f800000 shr ecx, 23 mov eax, dword ptr reciptable[eax] sar eax, cl xor eax, ebx pop ebx } } static inline int32_t getclipmask(int32_t a, int32_t b, int32_t c, int32_t d) { _asm { push ebx mov eax, a mov ebx, b mov ecx, c mov edx, d sar eax, 31 add ebx, ebx adc eax, eax add ecx, ecx adc eax, eax add edx, edx adc eax, eax mov ebx, eax shl ebx, 4 or al, 0xf0 xor eax, ebx pop ebx } } static inline int32_t getkensmessagecrc(void *b) { _asm { push ebx mov ebx, b xor eax, eax mov ecx, 32 beg: mov edx, dword ptr [ebx+ecx*4-4] ror edx, cl adc eax, edx bswap eax loop short beg pop ebx } } #elif defined(__GNUC__) && defined(__i386__) && !defined(NOASM) // _MSC_VER // // GCC "Inline" Assembly Routines // #define nsqrtasm(a) \ ({ int32_t __r, __a=(a); \ __asm__ __volatile__ ( \ "testl $0xff000000, %%eax\n\t" \ "movl %%eax, %%ebx\n\t" \ "jnz 0f\n\t" \ "shrl $12, %%ebx\n\t" \ "movw "ASMSYM("shlookup")"(,%%ebx,2), %%cx\n\t" \ "jmp 1f\n\t" \ "0:\n\t" \ "shrl $24, %%ebx\n\t" \ "movw ("ASMSYM("shlookup")"+8192)(,%%ebx,2), %%cx\n\t" \ "1:\n\t" \ "shrl %%cl, %%eax\n\t" \ "movb %%ch, %%cl\n\t" \ "movw "ASMSYM("sqrtable")"(,%%eax,2), %%ax\n\t" \ "shrl %%cl, %%eax" \ : "=a" (__r) : "a" (__a) : "ebx", "ecx", "cc"); \ __r; }) // edx is blown by this code somehow?! #define msqrtasm(c) \ ({ int32_t __r, __c=(c); \ __asm__ __volatile__ ( \ "movl $0x40000000, %%eax\n\t" \ "movl $0x20000000, %%ebx\n\t" \ "0:\n\t" \ "cmpl %%eax, %%ecx\n\t" \ "jl 1f\n\t" \ "subl %%eax, %%ecx\n\t" \ "leal (%%eax,%%ebx,4), %%eax\n\t" \ "1:\n\t" \ "subl %%ebx, %%eax\n\t" \ "shrl $1, %%eax\n\t" \ "shrl $2, %%ebx\n\t" \ "jnz 0b\n\t" \ "cmpl %%eax, %%ecx\n\t" \ "sbbl $-1, %%eax\n\t" \ "shrl $1, %%eax" \ : "=a" (__r) : "c" (__c) : "edx","ebx", "cc"); \ __r; }) #define krecipasm(a) \ ({ int32_t __a=(a); \ __asm__ __volatile__ ( \ "movl %%eax, ("ASMSYM("fpuasm")"); fildl ("ASMSYM("fpuasm")"); " \ "addl %%eax, %%eax; fstps ("ASMSYM("fpuasm")"); sbbl %%ebx, %%ebx; " \ "movl ("ASMSYM("fpuasm")"), %%eax; movl %%eax, %%ecx; " \ "andl $0x007ff000, %%eax; shrl $10, %%eax; subl $0x3f800000, %%ecx; " \ "shrl $23, %%ecx; movl "ASMSYM("reciptable")"(%%eax), %%eax; " \ "sarl %%cl, %%eax; xorl %%ebx, %%eax" \ : "=a" (__a) : "a" (__a) : "ebx", "ecx", "memory", "cc"); \ __a; }) #define getclipmask(a,b,c,d) \ ({ int32_t __a=(a), __b=(b), __c=(c), __d=(d); \ __asm__ __volatile__ ("sarl $31, %%eax; addl %%ebx, %%ebx; adcl %%eax, %%eax; " \ "addl %%ecx, %%ecx; adcl %%eax, %%eax; addl %%edx, %%edx; " \ "adcl %%eax, %%eax; movl %%eax, %%ebx; shl $4, %%ebx; " \ "orb $0xf0, %%al; xorl %%ebx, %%eax" \ : "=a" (__a), "=b" (__b), "=c" (__c), "=d" (__d) \ : "a" (__a), "b" (__b), "c" (__c), "d" (__d) : "cc"); \ __a; }) #define getkensmessagecrc(b) \ ({ int32_t __a, __b=(b); \ __asm__ __volatile__ ( \ "xorl %%eax, %%eax\n\t" \ "movl $32, %%ecx\n\t" \ "0:\n\t" \ "movl -4(%%ebx,%%ecx,4), %%edx\n\t" \ "rorl %%cl, %%edx\n\t" \ "adcl %%edx, %%eax\n\t" \ "bswapl %%eax\n\t" \ "loop 0b" \ : "=a" (__a) : "b" (__b) : "ecx", "edx" \ __a; }) #else // __GNUC__ && __i386__ static inline uint32_t nsqrtasm(uint32_t a) { // JBF 20030901: This was a damn lot simpler to reverse engineer than // msqrtasm was. Really, it was just like simplifying an algebra equation. uint16_t c; if (a & 0xff000000) // test eax, 0xff000000 / jnz short over24 { c = shlookup[(a >> 24) + 4096]; // mov ebx, eax // over24: shr ebx, 24 // mov cx, word ptr shlookup[ebx*2+8192] } else { c = shlookup[a >> 12]; // mov ebx, eax // shr ebx, 12 // mov cx, word ptr shlookup[ebx*2] // jmp short under24 } a >>= c&0xff; // under24: shr eax, cl a = (a&0xffff0000)|(sqrtable[a]); // mov ax, word ptr sqrtable[eax*2] a >>= ((c&0xff00) >> 8); // mov cl, ch // shr eax, cl return a; } static inline int32_t msqrtasm(uint32_t c) { uint32_t a,b; a = 0x40000000l; // mov eax, 0x40000000 b = 0x20000000l; // mov ebx, 0x20000000 do // begit: { if (c >= a) // cmp ecx, eax / jl skip { c -= a; // sub ecx, eax a += b*4; // lea eax, [eax+ebx*4] } // skip: a -= b; // sub eax, ebx a >>= 1; // shr eax, 1 b >>= 2; // shr ebx, 2 } while (b); // jnz begit if (c >= a) // cmp ecx, eax a++; // sbb eax, -1 a >>= 1; // shr eax, 1 return a; } static inline int32_t krecipasm(int32_t i) { // Ken did this float f = (float)i; i = *(int32_t *)&f; return((reciptable[(i>>12)&2047]>>(((i-0x3f800000)>>23)&31))^(i>>31)); } static inline int32_t getclipmask(int32_t a, int32_t b, int32_t c, int32_t d) { // Ken did this d = ((a<0)*8) + ((b<0)*4) + ((c<0)*2) + (d<0); return(((d<<4)^0xf0)|d); } inline int32_t getkensmessagecrc(int32_t b) { UNREFERENCED_PARAMETER(b); return 0x56c764d4l; } #endif int32_t xb1[MAXWALLSB]; // Polymost uses this as a temp array static int32_t yb1[MAXWALLSB], xb2[MAXWALLSB], yb2[MAXWALLSB]; int32_t rx1[MAXWALLSB], ry1[MAXWALLSB]; static int32_t rx2[MAXWALLSB], ry2[MAXWALLSB]; int16_t p2[MAXWALLSB], thesector[MAXWALLSB]; int16_t thewall[MAXWALLSB]; int16_t bunchfirst[MAXWALLSB], bunchlast[MAXWALLSB]; static int32_t smostcnt; static int16_t smost[MAXYSAVES]; static int32_t smoststart[MAXWALLSB]; static char smostwalltype[MAXWALLSB]; static int32_t smostwall[MAXWALLSB], smostwallcnt = -1; int16_t maskwall[MAXWALLSB], maskwallcnt; static int32_t spritesx[MAXSPRITESONSCREEN]; static int32_t spritesy[MAXSPRITESONSCREEN+1]; static int32_t spritesz[MAXSPRITESONSCREEN]; spritetype *tspriteptr[MAXSPRITESONSCREEN + 1]; static int16_t umost[MAXXDIM], dmost[MAXXDIM]; static int16_t bakumost[MAXXDIM], bakdmost[MAXXDIM]; static int16_t uplc[MAXXDIM], dplc[MAXXDIM]; static int16_t uwall[MAXXDIM], dwall[MAXXDIM]; static int32_t swplc[MAXXDIM], lplc[MAXXDIM]; static int32_t swall[MAXXDIM], lwall[MAXXDIM+4]; int32_t xdimen = -1, xdimenrecip, halfxdimen, xdimenscale, xdimscale; int32_t ydimen; static int32_t wx1, wy1, wx2, wy2; intptr_t /*viewoffset,*/ frameoffset; static int32_t nrx1[8], nry1[8], nrx2[8], nry2[8]; // JBF 20031206: Thanks Ken static int32_t rxi[8], ryi[8], rzi[8], rxi2[8], ryi2[8], rzi2[8]; static int32_t xsi[8], ysi[8], horizycent; static intptr_t *horizlookup=0, *horizlookup2=0; int32_t globalposx, globalposy, globalposz, globalhoriz; int16_t globalang, globalcursectnum; int32_t globalpal, cosglobalang, singlobalang; int32_t cosviewingrangeglobalang, sinviewingrangeglobalang; static char *globalpalwritten; static int32_t globaluclip, globaldclip, globvis; int32_t globalvisibility; static int32_t globalhisibility, globalpisibility, globalcisibility; //char globparaceilclip, globparaflorclip; int32_t xyaspect; static int32_t viewingrangerecip; intptr_t asm1, asm2, asm3, asm4, palookupoffse[4]; int32_t vplce[4], vince[4]; intptr_t bufplce[4]; static char globalxshift, globalyshift; static int32_t globalxpanning, globalypanning; int32_t globalshade, globalorientation; int16_t globalpicnum; static int16_t globalshiftval; static int32_t globalzd, globalyscale; static int32_t globalxspan, globalyspan, globalispow2=1; // true if texture has power-of-two x and y size static intptr_t globalbufplc; int32_t globalx1, globaly2, globalx3, globaly3; static int32_t globaly1, globalx2, globalzx; static int32_t globalx, globaly, globalz; int16_t sectorborder[256], sectorbordercnt; static char tablesloaded = 0; int32_t ydim16, qsetmode = 0; int32_t startposx, startposy, startposz; int16_t startang, startsectnum; int16_t pointhighlight=-1, linehighlight=-1, highlightcnt=0; #ifndef OBSOLETE_RENDMODES static int32_t lastx[MAXYDIM]; static char *transluc; #else int32_t lastx[MAXYDIM]; char *transluc; #endif static char paletteloaded = 0; int32_t halfxdim16, midydim16; #define FASTPALGRIDSIZ 8 static int32_t rdist[129], gdist[129], bdist[129]; static char colhere[((FASTPALGRIDSIZ+2)*(FASTPALGRIDSIZ+2)*(FASTPALGRIDSIZ+2))>>3]; static char colhead[(FASTPALGRIDSIZ+2)*(FASTPALGRIDSIZ+2)*(FASTPALGRIDSIZ+2)]; static int32_t colnext[256]; static char coldist[8] = {0,1,2,3,4,3,2,1}; static int32_t colscan[27]; static int16_t clipnum, hitwalls[4]; const int32_t hitscangoalx = (1<<29)-1, hitscangoaly = (1<<29)-1; #ifdef USE_OPENGL int32_t hitallsprites = 0; #endif typedef struct { int32_t x1, y1, x2, y2; } linetype; static linetype clipit[MAXCLIPNUM]; static int16_t clipsectorlist[MAXCLIPNUM], clipsectnum, origclipsectorlist[MAXCLIPNUM], origclipsectnum; static int16_t clipspritelist[MAXCLIPNUM], clipspritenum; // sector-like sprite clipping static int16_t clipobjectval[MAXCLIPNUM]; typedef struct { int32_t sx, sy, z; int16_t a, picnum; int8_t dashade; char dapalnum, dastat, pagesleft; int32_t cx1, cy1, cx2, cy2; int32_t uniqid; //JF extension } permfifotype; static permfifotype permfifo[MAXPERMS]; static int32_t permhead = 0, permtail = 0; int16_t numscans, numbunches; static int16_t numhits; int16_t capturecount = 0; char vgapal16[4*256] = { 00,00,00,00, 42,00,00,00, 00,42,00,00, 42,42,00,00, 00,00,42,00, 42,00,42,00, 00,21,42,00, 42,42,42,00, 21,21,21,00, 63,21,21,00, 21,63,21,00, 63,63,21,00, 21,21,63,00, 63,21,63,00, 21,63,63,00, 63,63,63,00 }; int16_t searchit; int32_t searchx = -1, searchy; //search input int16_t searchsector, searchwall, searchstat; //search output // SEARCHBOTTOMWALL: // When aiming at a the bottom part of a 2-sided wall whose bottom part // is swapped (.cstat&2), searchbottomwall equals that wall's .nextwall. In all // other cases (when aiming at a wall), searchbottomwall equals searchwall. // // SEARCHISBOTTOM: // When aiming at a 2-sided wall, 1 if aiming at the bottom part, 0 else int16_t searchbottomwall, searchisbottom; double msens = 1.0; static char artfilename[20]; static int32_t artfil = -1, artfilnum, artfilplc; char inpreparemirror = 0; static int32_t mirrorsx1, mirrorsy1, mirrorsx2, mirrorsy2; static int32_t setviewcnt = 0; // interface layers use this now static int32_t bakframeplace[4], bakxsiz[4], bakysiz[4]; static int32_t bakwindowx1[4], bakwindowy1[4]; static int32_t bakwindowx2[4], bakwindowy2[4]; #ifdef USE_OPENGL static int32_t bakrendmode,baktile; #endif int32_t totalclocklock; char apptitle[256] = "Build Engine"; static uint8_t **basepaltableptr; uint8_t basepalcount; uint8_t curbasepal; static uint32_t g_lastpalettesum = 0; palette_t curpalette[256]; // the current palette, unadjusted for brightness or tint palette_t curpalettefaded[256]; // the current palette, adjusted for brightness and tint (ie. what gets sent to the card) palette_t palfadergb = { 0,0,0,0 }; char palfadedelta = 0; // // Internal Engine Functions // //int32_t cacheresets = 0,cacheinvalidates = 0; // // getpalookup (internal) // static inline int32_t getpalookup(int32_t davis, int32_t dashade) { return(min(max(dashade+(davis>>8),0),numshades-1)); } static void setpalettefade_calc(uint8_t offset); void fade_screen_black(int32_t moreopaquep) { if (getrendermode() >= 3) { // we have a ~1 px horizontal line if we don't shift y by -1, // might need a fix in rotatesprite! rotatesprite_fs(0, -(1<<16), 65536<<3, 0, 0,0,4,10+16+1+((!moreopaquep)*32)+1024); // tile 0: 64x32 } else { assert(!offscreenrendering); begindrawing(); { char *const p = (char *)frameplace; const char *const trans = transluc; const int32_t shiftamnt = ((!!moreopaquep)*8); const int32_t dimprod = xdim*ydim; int32_t i; for (i=0; i= MAXSPRITESONSCREEN) return 1; copybufbyte(spr,&tsprite[spritesortcnt],sizeof(spritetype)); spriteext[z].tspr = (spritetype *)&tsprite[spritesortcnt]; tsprite[spritesortcnt++].owner = z; #ifdef YAX_ENABLE } } else #ifdef YAX_ENABLE if (yax_nomaskpass==0) #endif { sortcnt = &yax_spritesortcnt[yax_globallev]; if (*sortcnt >= MAXSPRITESONSCREEN) return 1; yax_tsprite[yax_globallev][*sortcnt] = z; if (yax_globalbunch >= 0) { yax_tsprite[yax_globallev][*sortcnt] |= (MAXSPRITES|(MAXSPRITES<<1)); yax_tsprfrombunch[yax_globallev][*sortcnt] = yax_globalbunch; } (*sortcnt)++; // now check whether the tsprite needs duplication into another level if ((spr->cstat&48)==32) return 0; yax_getbunches(sectnum, &cb, &fb); if (cb < 0 && fb < 0) return 0; spriteheightofs(z, &spheight, &spzofs, 1); // TODO: get*zofslope? if (cb>=0 && spr->z+spzofs-spheight < sector[sectnum].ceilingz) { sortcnt = &yax_spritesortcnt[yax_globallev-1]; if (*sortcnt < MAXSPRITESONSCREEN) { yax_tsprite[yax_globallev-1][*sortcnt] = z|MAXSPRITES; (*sortcnt)++; } } if (fb>=0 && spr->z+spzofs > sector[sectnum].floorz) { sortcnt = &yax_spritesortcnt[yax_globallev+1]; if (*sortcnt < MAXSPRITESONSCREEN) { yax_tsprite[yax_globallev+1][*sortcnt] = z|(MAXSPRITES<<1); (*sortcnt)++; } } } #endif return 0; } // // scansector (internal) // static void scansector(int16_t sectnum) { walltype *wal, *wal2; spritetype *spr; int32_t xs, ys, x1, y1, x2, y2, xp1, yp1, xp2=0, yp2=0, tempint; int16_t z, zz, startwall, endwall, numscansbefore, scanfirst, bunchfrst; int16_t nextsectnum; if (sectnum < 0) return; // if (automapping) show2dsector[sectnum>>3] |= pow2char[sectnum&7]; sectorborder[0] = sectnum, sectorbordercnt = 1; do { sectnum = sectorborder[--sectorbordercnt]; #ifdef YAX_ENABLE if (scansector_collectsprites) #endif for (z=headspritesect[sectnum]; z>=0; z=nextspritesect[z]) { spr = &sprite[z]; if ((((spr->cstat&0x8000) == 0) || (showinvisibility)) && (spr->xrepeat > 0) && (spr->yrepeat > 0)) { xs = spr->x-globalposx; ys = spr->y-globalposy; if ((spr->cstat&48) || (xs*cosglobalang+ys*singlobalang > 0)) if ((spr->cstat&(64+48))!=(64+16) || dmulscale6(sintable[(spr->ang+512)&2047],-xs, sintable[spr->ang&2047],-ys) > 0) if (engine_addtsprite(z, sectnum)) break; } } gotsector[sectnum>>3] |= pow2char[sectnum&7]; bunchfrst = numbunches; numscansbefore = numscans; startwall = sector[sectnum].wallptr; endwall = startwall + sector[sectnum].wallnum; scanfirst = numscans; for (z=startwall,wal=&wall[z]; znextsector; wal2 = &wall[wal->point2]; x1 = wal->x-globalposx; y1 = wal->y-globalposy; x2 = wal2->x-globalposx; y2 = wal2->y-globalposy; if ((nextsectnum >= 0) && ((wal->cstat&32) == 0)) #ifdef YAX_ENABLE if (yax_nomaskpass==0 || !yax_isislandwall(z, !yax_globalcf) || (yax_nomaskdidit=1, 0)) #endif if ((gotsector[nextsectnum>>3]&pow2char[nextsectnum&7]) == 0) { tempint = x1*y2-x2*y1; if (((unsigned)tempint+262144) < 524288) // BXY_MAX? if (mulscale5(tempint,tempint) <= (x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)) sectorborder[sectorbordercnt++] = nextsectnum; } if ((z == startwall) || (wall[z-1].point2 != z)) { xp1 = dmulscale6(y1,cosglobalang,-x1,singlobalang); yp1 = dmulscale6(x1,cosviewingrangeglobalang,y1,sinviewingrangeglobalang); } else { xp1 = xp2; yp1 = yp2; } xp2 = dmulscale6(y2,cosglobalang,-x2,singlobalang); yp2 = dmulscale6(x2,cosviewingrangeglobalang,y2,sinviewingrangeglobalang); if ((yp1 < 256) && (yp2 < 256)) goto skipitaddwall; //If wall's NOT facing you if (dmulscale32(xp1,yp2,-xp2,yp1) >= 0) goto skipitaddwall; if (xp1 >= -yp1) { if ((xp1 > yp1) || (yp1 == 0)) goto skipitaddwall; xb1[numscans] = halfxdimen + scale(xp1,halfxdimen,yp1); if (xp1 >= 0) xb1[numscans]++; //Fix for SIGNED divide if (xb1[numscans] >= xdimen) xb1[numscans] = xdimen-1; yb1[numscans] = yp1; } else { if (xp2 < -yp2) goto skipitaddwall; xb1[numscans] = 0; tempint = yp1-yp2+xp1-xp2; if (tempint == 0) goto skipitaddwall; yb1[numscans] = yp1 + scale(yp2-yp1,xp1+yp1,tempint); } if (yb1[numscans] < 256) goto skipitaddwall; if (xp2 <= yp2) { if ((xp2 < -yp2) || (yp2 == 0)) goto skipitaddwall; xb2[numscans] = halfxdimen + scale(xp2,halfxdimen,yp2) - 1; if (xp2 >= 0) xb2[numscans]++; //Fix for SIGNED divide if (xb2[numscans] >= xdimen) xb2[numscans] = xdimen-1; yb2[numscans] = yp2; } else { if (xp1 > yp1) goto skipitaddwall; xb2[numscans] = xdimen-1; tempint = xp2-xp1+yp1-yp2; if (tempint == 0) goto skipitaddwall; yb2[numscans] = yp1 + scale(yp2-yp1,yp1-xp1,tempint); } if ((yb2[numscans] < 256) || (xb1[numscans] > xb2[numscans])) goto skipitaddwall; //Made it all the way! thesector[numscans] = sectnum; thewall[numscans] = z; rx1[numscans] = xp1; ry1[numscans] = yp1; rx2[numscans] = xp2; ry2[numscans] = yp2; p2[numscans] = numscans+1; numscans++; skipitaddwall: if ((wall[z].point2 < z) && (scanfirst < numscans)) p2[numscans-1] = scanfirst, scanfirst = numscans; } for (z=numscansbefore; z= xb1[p2[z]])) { bunchfirst[numbunches++] = p2[z], p2[z] = -1; #ifdef YAX_ENABLE if (scansector_retfast) return; #endif } for (z=bunchfrst; z=0; zz=p2[zz]); bunchlast[z] = zz; } } while (sectorbordercnt > 0); } // // maskwallscan (internal) // static void maskwallscan(int32_t x1, int32_t x2, int16_t *uwal, int16_t *dwal, int32_t *swal, int32_t *lwal) { int32_t x,/* startx,*/ xnice, ynice; intptr_t startx, p, pp, fpalookup; int32_t y1ve[4], y2ve[4], tsizx, tsizy; #if 1 //ndef ENGINE_USING_A_C char bad; int32_t i, u4, d4, dax, z; #endif tsizx = tilesizx[globalpicnum]; tsizy = tilesizy[globalpicnum]; setgotpic(globalpicnum); if ((tsizx <= 0) || (tsizy <= 0)) return; if ((uwal[x1] > ydimen) && (uwal[x2] > ydimen)) return; if ((dwal[x1] < 0) && (dwal[x2] < 0)) return; if (waloff[globalpicnum] == 0) loadtile(globalpicnum); startx = x1; xnice = (pow2long[picsiz[globalpicnum]&15] == tsizx); if (xnice) tsizx = (tsizx-1); ynice = (pow2long[picsiz[globalpicnum]>>4] == tsizy); if (ynice) tsizy = (picsiz[globalpicnum]>>4); if (palookup[globalpal] == NULL) globalpal = 0; fpalookup = FP_OFF(palookup[globalpal]); setupmvlineasm(globalshiftval); #if 1 //ndef ENGINE_USING_A_C x = startx; while ((startumost[x+windowx1] > startdmost[x+windowx1]) && (x <= x2)) x++; p = x+frameoffset; for (; (x<=x2)&&(p&3); x++,p++) { y1ve[0] = max(uwal[x],startumost[x+windowx1]-windowy1); y2ve[0] = min(dwal[x],startdmost[x+windowx1]-windowy1); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],p+ylookup[y1ve[0]]); } for (; x<=x2-3; x+=4,p+=4) { bad = 0; for (z=3,dax=x+3; z>=0; z--,dax--) { y1ve[z] = max(uwal[dax],startumost[dax+windowx1]-windowy1); y2ve[z] = min(dwal[dax],startdmost[dax+windowx1]-windowy1)-1; if (y2ve[z] < y1ve[z]) { bad += pow2char[z]; continue; } i = lwal[dax] + globalxpanning; if (i >= tsizx) { if (xnice == 0) i %= tsizx; else i &= tsizx; } if (ynice == 0) i *= tsizy; else i <<= tsizy; bufplce[z] = waloff[globalpicnum]+i; vince[z] = swal[dax]*globalyscale; vplce[z] = globalzd + vince[z]*(y1ve[z]-globalhoriz+1); } if (bad == 15) continue; palookupoffse[0] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x],globvis),globalshade)<<8); palookupoffse[3] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x+3],globvis),globalshade)<<8); if ((palookupoffse[0] == palookupoffse[3]) && ((bad&0x9) == 0)) { palookupoffse[1] = palookupoffse[0]; palookupoffse[2] = palookupoffse[0]; } else { palookupoffse[1] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x+1],globvis),globalshade)<<8); palookupoffse[2] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x+2],globvis),globalshade)<<8); } u4 = max(max(y1ve[0],y1ve[1]),max(y1ve[2],y1ve[3])); d4 = min(min(y2ve[0],y2ve[1]),min(y2ve[2],y2ve[3])); if ((bad > 0) || (u4 >= d4)) { if (!(bad&1)) mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0); if (!(bad&2)) mvlineasm1(vince[1],palookupoffse[1],y2ve[1]-y1ve[1],vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1); if (!(bad&4)) mvlineasm1(vince[2],palookupoffse[2],y2ve[2]-y1ve[2],vplce[2],bufplce[2],ylookup[y1ve[2]]+p+2); if (!(bad&8)) mvlineasm1(vince[3],palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3); continue; } if (u4 > y1ve[0]) vplce[0] = mvlineasm1(vince[0],palookupoffse[0],u4-y1ve[0]-1,vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0); if (u4 > y1ve[1]) vplce[1] = mvlineasm1(vince[1],palookupoffse[1],u4-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1); if (u4 > y1ve[2]) vplce[2] = mvlineasm1(vince[2],palookupoffse[2],u4-y1ve[2]-1,vplce[2],bufplce[2],ylookup[y1ve[2]]+p+2); if (u4 > y1ve[3]) vplce[3] = mvlineasm1(vince[3],palookupoffse[3],u4-y1ve[3]-1,vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3); if (d4 >= u4) mvlineasm4(d4-u4+1, (char *)ylookup[u4]+p); pp = p+ylookup[d4+1]; if (y2ve[0] > d4) mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-d4-1,vplce[0],bufplce[0],pp+0); if (y2ve[1] > d4) mvlineasm1(vince[1],palookupoffse[1],y2ve[1]-d4-1,vplce[1],bufplce[1],pp+1); if (y2ve[2] > d4) mvlineasm1(vince[2],palookupoffse[2],y2ve[2]-d4-1,vplce[2],bufplce[2],pp+2); if (y2ve[3] > d4) mvlineasm1(vince[3],palookupoffse[3],y2ve[3]-d4-1,vplce[3],bufplce[3],pp+3); } for (; x<=x2; x++,p++) { y1ve[0] = max(uwal[x],startumost[x+windowx1]-windowy1); y2ve[0] = min(dwal[x],startdmost[x+windowx1]-windowy1); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],p+ylookup[y1ve[0]]); } #else // ENGINE_USING_A_C p = startx+frameoffset; for (x=startx; x<=x2; x++,p++) { y1ve[0] = max(uwal[x],startumost[x+windowx1]-windowy1); y2ve[0] = min(dwal[x],startdmost[x+windowx1]-windowy1); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],p+ylookup[y1ve[0]]); } #endif faketimerhandler(); } // // wallfront (internal) // int32_t wallfront(int32_t l1, int32_t l2) { walltype *wal; int32_t x11, y11, x21, y21, x12, y12, x22, y22, dx, dy, t1, t2; wal = &wall[thewall[l1]]; x11 = wal->x; y11 = wal->y; wal = &wall[wal->point2]; x21 = wal->x; y21 = wal->y; wal = &wall[thewall[l2]]; x12 = wal->x; y12 = wal->y; wal = &wall[wal->point2]; x22 = wal->x; y22 = wal->y; dx = x21-x11; dy = y21-y11; t1 = dmulscale2(x12-x11,dy,-dx,y12-y11); //p1(l2) vs. l1 t2 = dmulscale2(x22-x11,dy,-dx,y22-y11); //p2(l2) vs. l1 if (t1 == 0) { t1 = t2; if (t1 == 0) return(-1); } if (t2 == 0) t2 = t1; if ((t1^t2) >= 0) { t2 = dmulscale2(globalposx-x11,dy,-dx,globalposy-y11); //pos vs. l1 return((t2^t1) >= 0); } dx = x22-x12; dy = y22-y12; t1 = dmulscale2(x11-x12,dy,-dx,y11-y12); //p1(l1) vs. l2 t2 = dmulscale2(x21-x12,dy,-dx,y21-y12); //p2(l1) vs. l2 if (t1 == 0) { t1 = t2; if (t1 == 0) return(-1); } if (t2 == 0) t2 = t1; if ((t1^t2) >= 0) { t2 = dmulscale2(globalposx-x12,dy,-dx,globalposy-y12); //pos vs. l2 return((t2^t1) < 0); } return(-2); } // // spritewallfront (internal) // static inline int32_t spritewallfront(spritetype *s, int32_t w) { walltype *wal; int32_t x1, y1; wal = &wall[w]; x1 = wal->x; y1 = wal->y; wal = &wall[wal->point2]; return (dmulscale32(wal->x-x1,s->y-y1,-(s->x-x1),wal->y-y1) >= 0); } // // spritebehindwall(internal) // #if 0 static int32_t spriteobstructswall(spritetype *s, int32_t w) { walltype *wal; int32_t x, y; int32_t x1, y1; int32_t x2, y2; double a1, b1, c1; double a2, b2, c2; double d1, d2; // wall line equation wal = &wall[w]; x1 = wal->x - globalposx; y1 = wal->y - globalposy; wal = &wall[wal->point2]; x2 = wal->x - globalposx; y2 = wal->y - globalposy; if ((x2 - x1) != 0) a1 = (float)(y2 - y1)/(x2 - x1); else a1 = 1e+37; // not infinite, but almost ;) b1 = -1; c1 = (y1 - (a1 * x1)); // player to sprite line equation if ((s->x - globalposx) != 0) a2 = (float)(s->y - globalposy)/(s->x - globalposx); else a2 = 1e+37; b2 = -1; c2 = 0; // intersection point d1 = (float)(1) / (a1*b2 - a2*b1); x = ((b1*c2 - b2*c1) * d1); y = ((a2*c1 - a1*c2) * d1); // distance between the sprite and the player a1 = s->x - globalposx; b1 = s->y - globalposy; d1 = (a1 * a1 + b1 * b1); // distance between the intersection point and the player d2 = (x * x + y * y); // check if the sprite obstructs the wall if ((d1 < d2) && (min(x1, x2) <= x) && (x <= max(x1, x2)) && (min(y1, y2) <= y) && (y <= max(y1, y2))) return (1); else return (0); } #endif // // bunchfront (internal) // static inline int32_t bunchfront(int32_t b1, int32_t b2) { int32_t x1b1, x2b1, x1b2, x2b2, b1f, b2f, i; b1f = bunchfirst[b1]; x1b1 = xb1[b1f]; x2b2 = xb2[bunchlast[b2]]+1; if (x1b1 >= x2b2) return(-1); b2f = bunchfirst[b2]; x1b2 = xb1[b2f]; x2b1 = xb2[bunchlast[b1]]+1; if (x1b2 >= x2b1) return(-1); if (x1b1 >= x1b2) { for (i=b2f; xb2[i] xr) return; r = horizlookup2[yp-globalhoriz+horizycent]; asm1 = globalx1*r; asm2 = globaly2*r; s = ((int32_t)getpalookup((int32_t)mulscale16(r,globvis),globalshade)<<8); hlineasm4(xr-xl,0,s,globalx2*r+globalypanning,globaly1*r+globalxpanning, ylookup[yp]+xr+frameoffset); } // // slowhline (internal) // static inline void slowhline(int32_t xr, int32_t yp) { int32_t xl, r; xl = lastx[yp]; if (xl > xr) return; r = horizlookup2[yp-globalhoriz+horizycent]; asm1 = globalx1*r; asm2 = globaly2*r; asm3 = (intptr_t)globalpalwritten + ((intptr_t)getpalookup((int32_t)mulscale16(r,globvis),globalshade)<<8); if (!(globalorientation&256)) { mhline(globalbufplc,globaly1*r+globalxpanning-asm1*(xr-xl),(xr-xl)<<16,0L, globalx2*r+globalypanning-asm2*(xr-xl),ylookup[yp]+xl+frameoffset); return; } thline(globalbufplc,globaly1*r+globalxpanning-asm1*(xr-xl),(xr-xl)<<16,0L, globalx2*r+globalypanning-asm2*(xr-xl),ylookup[yp]+xl+frameoffset); } // // prepwall (internal) // static void prepwall(int32_t z, walltype *wal) { int32_t i, l=0, ol=0, splc, sinc, x, topinc, top, botinc, bot, walxrepeat; walxrepeat = (wal->xrepeat<<3); //lwall calculation i = xb1[z]-halfxdimen; topinc = -(ry1[z]>>2); botinc = ((ry2[z]-ry1[z])>>8); top = mulscale5(rx1[z],xdimen)+mulscale2(topinc,i); bot = mulscale11(rx1[z]-rx2[z],xdimen)+mulscale2(botinc,i); splc = mulscale19(ry1[z],xdimscale); sinc = mulscale16(ry2[z]-ry1[z],xdimscale); x = xb1[z]; if (bot != 0) { l = divscale12(top,bot); swall[x] = mulscale21(l,sinc)+splc; l *= walxrepeat; lwall[x] = (l>>18); } while (x+4 <= xb2[z]) { top += topinc; bot += botinc; if (bot != 0) { ol = l; l = divscale12(top,bot); swall[x+4] = mulscale21(l,sinc)+splc; l *= walxrepeat; lwall[x+4] = (l>>18); } i = ((ol+l)>>1); lwall[x+2] = (i>>18); lwall[x+1] = ((ol+i)>>19); lwall[x+3] = ((l+i)>>19); swall[x+2] = ((swall[x]+swall[x+4])>>1); swall[x+1] = ((swall[x]+swall[x+2])>>1); swall[x+3] = ((swall[x+4]+swall[x+2])>>1); x += 4; } if (x+2 <= xb2[z]) { top += (topinc>>1); bot += (botinc>>1); if (bot != 0) { ol = l; l = divscale12(top,bot); swall[x+2] = mulscale21(l,sinc)+splc; l *= walxrepeat; lwall[x+2] = (l>>18); } lwall[x+1] = ((l+ol)>>19); swall[x+1] = ((swall[x]+swall[x+2])>>1); x += 2; } if (x+1 <= xb2[z]) { bot += (botinc>>2); if (bot != 0) { l = divscale12(top+(topinc>>2),bot); swall[x+1] = mulscale21(l,sinc)+splc; lwall[x+1] = mulscale18(l,walxrepeat); } } if (lwall[xb1[z]] < 0) lwall[xb1[z]] = 0; if ((lwall[xb2[z]] >= walxrepeat) && (walxrepeat)) lwall[xb2[z]] = walxrepeat-1; if (wal->cstat&8) { walxrepeat--; for (x=xb1[z]; x<=xb2[z]; x++) lwall[x] = walxrepeat-lwall[x]; } } // // animateoffs (internal) // inline int32_t animateoffs(int16_t tilenum, int16_t fakevar) { int32_t i, k, offs; UNREFERENCED_PARAMETER(fakevar); offs = 0; i = (totalclocklock>>((picanm[tilenum]>>24)&15)); if ((picanm[tilenum]&63) > 0) { switch (picanm[tilenum]&192) { case 64: k = (i%((picanm[tilenum]&63)<<1)); if (k < (picanm[tilenum]&63)) offs = k; else offs = (((picanm[tilenum]&63)<<1)-k); break; case 128: offs = (i%((picanm[tilenum]&63)+1)); break; case 192: offs = -(i%((picanm[tilenum]&63)+1)); } } return(offs); } // // owallmost (internal) // static int32_t owallmost(int16_t *mostbuf, int32_t w, int32_t z) { int32_t bad, inty, xcross, y, yinc; int32_t s1, s2, s3, s4, ix1, ix2, iy1, iy2, t; int32_t i, tmp; z <<= 7; s1 = mulscale20(globaluclip,yb1[w]); s2 = mulscale20(globaluclip,yb2[w]); s3 = mulscale20(globaldclip,yb1[w]); s4 = mulscale20(globaldclip,yb2[w]); bad = (zs3)<<2)+((z>s4)<<3); ix1 = xb1[w]; iy1 = yb1[w]; ix2 = xb2[w]; iy2 = yb2[w]; if ((bad&3) == 3) { //clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),0L); for (i=ix1; i<=ix2; i++) mostbuf[i] = 0; return(bad); } if ((bad&12) == 12) { //clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=ix1; i<=ix2; i++) mostbuf[i] = ydimen; return(bad); } if (bad&3) { t = divscale30(z-s1,s2-s1); inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty); if ((bad&3) == 2) { if (xb1[w] <= xcross) { iy2 = inty; ix2 = xcross; } //clearbufbyte(&mostbuf[xcross+1],(xb2[w]-xcross)*sizeof(mostbuf[0]),0L); for (i=xcross+1; i<=xb2[w]; i++) mostbuf[i] = 0; } else { if (xcross <= xb2[w]) { iy1 = inty; ix1 = xcross; } //clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),0L); for (i=xb1[w]; i<=xcross; i++) mostbuf[i] = 0; } } if (bad&12) { t = divscale30(z-s3,s4-s3); inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty); if ((bad&12) == 8) { if (xb1[w] <= xcross) { iy2 = inty; ix2 = xcross; } //clearbufbyte(&mostbuf[xcross+1],(xb2[w]-xcross)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=xcross+1; i<=xb2[w]; i++) mostbuf[i] = ydimen; } else { if (xcross <= xb2[w]) { iy1 = inty; ix1 = xcross; } //clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=xb1[w]; i<=xcross; i++) mostbuf[i] = ydimen; } } y = (scale(z,xdimenscale,iy1)<<4); //// enable for paranoia: // ix1 = clamp(ix1, 0, xres-1); // ix2 = clamp(ix2, 0, xres-1); // if (ix2-ix1 < 0) // swaplong(&ix1, &ix2); // PK 20110423: a bit consistency checking is a good thing: tmp = (ix2-ix1 >= 0) ? (ix2-ix1+1) : 1; yinc = ((scale(z,xdimenscale,iy2)<<4)-y) / tmp; qinterpolatedown16short((intptr_t)&mostbuf[ix1],tmp,y+(globalhoriz<<16),yinc); if (mostbuf[ix1] < 0) mostbuf[ix1] = 0; if (mostbuf[ix1] > ydimen) mostbuf[ix1] = ydimen; if (mostbuf[ix2] < 0) mostbuf[ix2] = 0; if (mostbuf[ix2] > ydimen) mostbuf[ix2] = ydimen; return(bad); } // // wallmost (internal) // static int32_t wallmost(int16_t *mostbuf, int32_t w, int32_t sectnum, char dastat) { int32_t bad, i, j, t, y, z, inty, intz, xcross, yinc, fw; int32_t x1, y1, z1, x2, y2, z2, xv, yv, dx, dy, dasqr, oz1, oz2; int32_t s1, s2, s3, s4, ix1, ix2, iy1, iy2; int32_t tmp; //char datempbuf[256]; if (dastat == 0) { z = sector[sectnum].ceilingz-globalposz; if ((sector[sectnum].ceilingstat&2) == 0) return(owallmost(mostbuf,w,z)); } else { z = sector[sectnum].floorz-globalposz; if ((sector[sectnum].floorstat&2) == 0) return(owallmost(mostbuf,w,z)); } i = thewall[w]; if (i == sector[sectnum].wallptr) return(owallmost(mostbuf,w,z)); x1 = wall[i].x; x2 = wall[wall[i].point2].x-x1; y1 = wall[i].y; y2 = wall[wall[i].point2].y-y1; fw = sector[sectnum].wallptr; i = wall[fw].point2; dx = wall[i].x-wall[fw].x; dy = wall[i].y-wall[fw].y; dasqr = krecipasm(nsqrtasm(dx*dx+dy*dy)); if (xb1[w] == 0) { xv = cosglobalang+sinviewingrangeglobalang; yv = singlobalang-cosviewingrangeglobalang; } else { xv = x1-globalposx; yv = y1-globalposy; } i = xv*(y1-globalposy)-yv*(x1-globalposx); j = yv*x2-xv*y2; if (klabs(j) > klabs(i>>3)) i = divscale28(i,j); if (dastat == 0) { t = mulscale15(sector[sectnum].ceilingheinum,dasqr); z1 = sector[sectnum].ceilingz; } else { t = mulscale15(sector[sectnum].floorheinum,dasqr); z1 = sector[sectnum].floorz; } z1 = dmulscale24(dx*t,mulscale20(y2,i)+((y1-wall[fw].y)<<8), -dy*t,mulscale20(x2,i)+((x1-wall[fw].x)<<8))+((z1-globalposz)<<7); if (xb2[w] == xdimen-1) { xv = cosglobalang-sinviewingrangeglobalang; yv = singlobalang+cosviewingrangeglobalang; } else { xv = (x2+x1)-globalposx; yv = (y2+y1)-globalposy; } i = xv*(y1-globalposy)-yv*(x1-globalposx); j = yv*x2-xv*y2; if (klabs(j) > klabs(i>>3)) i = divscale28(i,j); if (dastat == 0) { t = mulscale15(sector[sectnum].ceilingheinum,dasqr); z2 = sector[sectnum].ceilingz; } else { t = mulscale15(sector[sectnum].floorheinum,dasqr); z2 = sector[sectnum].floorz; } z2 = dmulscale24(dx*t,mulscale20(y2,i)+((y1-wall[fw].y)<<8), -dy*t,mulscale20(x2,i)+((x1-wall[fw].x)<<8))+((z2-globalposz)<<7); s1 = mulscale20(globaluclip,yb1[w]); s2 = mulscale20(globaluclip,yb2[w]); s3 = mulscale20(globaldclip,yb1[w]); s4 = mulscale20(globaldclip,yb2[w]); bad = (z1s3)<<2)+((z2>s4)<<3); ix1 = xb1[w]; ix2 = xb2[w]; iy1 = yb1[w]; iy2 = yb2[w]; oz1 = z1; oz2 = z2; if ((bad&3) == 3) { //clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),0L); for (i=ix1; i<=ix2; i++) mostbuf[i] = 0; return(bad); } if ((bad&12) == 12) { //clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=ix1; i<=ix2; i++) mostbuf[i] = ydimen; return(bad); } if (bad&3) { //inty = intz / (globaluclip>>16) t = divscale30(oz1-s1,s2-s1+oz1-oz2); inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); intz = oz1 + mulscale30(oz2-oz1,t); xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty); //t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4)); //inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); //intz = z1 + mulscale30(z2-z1,t); if ((bad&3) == 2) { if (xb1[w] <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; } //clearbufbyte(&mostbuf[xcross+1],(xb2[w]-xcross)*sizeof(mostbuf[0]),0L); for (i=xcross+1; i<=xb2[w]; i++) mostbuf[i] = 0; } else { if (xcross <= xb2[w]) { z1 = intz; iy1 = inty; ix1 = xcross; } //clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),0L); for (i=xb1[w]; i<=xcross; i++) mostbuf[i] = 0; } } if (bad&12) { //inty = intz / (globaldclip>>16) t = divscale30(oz1-s3,s4-s3+oz1-oz2); inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); intz = oz1 + mulscale30(oz2-oz1,t); xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty); //t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4)); //inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); //intz = z1 + mulscale30(z2-z1,t); if ((bad&12) == 8) { if (xb1[w] <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; } //clearbufbyte(&mostbuf[xcross+1],(xb2[w]-xcross)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=xcross+1; i<=xb2[w]; i++) mostbuf[i] = ydimen; } else { if (xcross <= xb2[w]) { z1 = intz; iy1 = inty; ix1 = xcross; } //clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=xb1[w]; i<=xcross; i++) mostbuf[i] = ydimen; } } y = (scale(z1,xdimenscale,iy1)<<4); //// enable for paranoia: // ix1 = clamp(ix1, 0, xres-1); // ix2 = clamp(ix2, 0, xres-1); // if (ix2-ix1 < 0) // swaplong(&ix1, &ix2); // PK 20110423: a bit consistency checking is a good thing: tmp = (ix2-ix1 >= 0) ? (ix2-ix1+1) : 1; yinc = ((scale(z2,xdimenscale,iy2)<<4)-y) / tmp; qinterpolatedown16short((intptr_t)&mostbuf[ix1],tmp,y+(globalhoriz<<16),yinc); if (mostbuf[ix1] < 0) mostbuf[ix1] = 0; if (mostbuf[ix1] > ydimen) mostbuf[ix1] = ydimen; if (mostbuf[ix2] < 0) mostbuf[ix2] = 0; if (mostbuf[ix2] > ydimen) mostbuf[ix2] = ydimen; return(bad); } // // ceilscan (internal) // static void ceilscan(int32_t x1, int32_t x2, int32_t sectnum) { int32_t i, j, ox, oy, x, y1, y2, twall, bwall; sectortype *sec; sec = §or[sectnum]; if (palookup[sec->ceilingpal] != globalpalwritten) { globalpalwritten = palookup[sec->ceilingpal]; if (!globalpalwritten) globalpalwritten = palookup[globalpal]; // JBF: fixes null-pointer crash setpalookupaddress(globalpalwritten); } globalzd = sec->ceilingz-globalposz; if (globalzd > 0) return; globalpicnum = sec->ceilingpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return; if (picanm[globalpicnum]&192) globalpicnum += animateoffs((int16_t)globalpicnum,(int16_t)sectnum); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); globalbufplc = waloff[globalpicnum]; globalshade = (int32_t)sec->ceilingshade; globvis = globalcisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globalorientation = (int32_t)sec->ceilingstat; if ((globalorientation&64) == 0) { globalx1 = singlobalang; globalx2 = singlobalang; globaly1 = cosglobalang; globaly2 = cosglobalang; globalxpanning = (globalposx<<20); globalypanning = -(globalposy<<20); } else { j = sec->wallptr; ox = wall[wall[j].point2].x - wall[j].x; oy = wall[wall[j].point2].y - wall[j].y; i = nsqrtasm(ox*ox+oy*oy); if (i == 0) i = 1024; else i = 1048576/i; globalx1 = mulscale10(dmulscale10(ox,singlobalang,-oy,cosglobalang),i); globaly1 = mulscale10(dmulscale10(ox,cosglobalang,oy,singlobalang),i); globalx2 = -globalx1; globaly2 = -globaly1; ox = ((wall[j].x-globalposx)<<6); oy = ((wall[j].y-globalposy)<<6); i = dmulscale14(oy,cosglobalang,-ox,singlobalang); j = dmulscale14(ox,cosglobalang,oy,singlobalang); ox = i; oy = j; globalxpanning = globalx1*ox - globaly1*oy; globalypanning = globaly2*ox + globalx2*oy; } globalx2 = mulscale16(globalx2,viewingrangerecip); globaly1 = mulscale16(globaly1,viewingrangerecip); globalxshift = (8-(picsiz[globalpicnum]&15)); globalyshift = (8-(picsiz[globalpicnum]>>4)); if (globalorientation&8) { globalxshift++; globalyshift++; } if ((globalorientation&0x4) > 0) { i = globalxpanning; globalxpanning = globalypanning; globalypanning = i; i = globalx2; globalx2 = -globaly1; globaly1 = -i; i = globalx1; globalx1 = globaly2; globaly2 = i; } if ((globalorientation&0x10) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalxpanning = -globalxpanning; if ((globalorientation&0x20) > 0) globalx2 = -globalx2, globaly2 = -globaly2, globalypanning = -globalypanning; globalx1 <<= globalxshift; globaly1 <<= globalxshift; globalx2 <<= globalyshift; globaly2 <<= globalyshift; globalxpanning <<= globalxshift; globalypanning <<= globalyshift; globalxpanning += (((int32_t)sec->ceilingxpanning)<<24); globalypanning += (((int32_t)sec->ceilingypanning)<<24); globaly1 = (-globalx1-globaly1)*halfxdimen; globalx2 = (globalx2-globaly2)*halfxdimen; sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,globalbufplc); globalx2 += globaly2*(x1-1); globaly1 += globalx1*(x1-1); globalx1 = mulscale16(globalx1,globalzd); globalx2 = mulscale16(globalx2,globalzd); globaly1 = mulscale16(globaly1,globalzd); globaly2 = mulscale16(globaly2,globalzd); globvis = klabs(mulscale10(globvis,globalzd)); if (!(globalorientation&0x180)) { y1 = umost[x1]; y2 = y1; for (x=x1; x<=x2; x++) { twall = umost[x]-1; bwall = min(uplc[x],dmost[x]); if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) hline(x-1,++y1); y1 = twall; } else { while (y1 < twall) hline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) hline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) hline(x-1,++y1); if (x == x2) { globalx2 += globaly2; globaly1 += globalx1; break; } y1 = umost[x+1]; y2 = y1; } globalx2 += globaly2; globaly1 += globalx1; } while (y1 < y2-1) hline(x2,++y1); faketimerhandler(); return; } switch (globalorientation&0x180) { case 128: msethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; case 256: settransnormal(); tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; case 384: settransreverse(); tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; } y1 = umost[x1]; y2 = y1; for (x=x1; x<=x2; x++) { twall = umost[x]-1; bwall = min(uplc[x],dmost[x]); if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) slowhline(x-1,++y1); y1 = twall; } else { while (y1 < twall) slowhline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) slowhline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) slowhline(x-1,++y1); if (x == x2) { globalx2 += globaly2; globaly1 += globalx1; break; } y1 = umost[x+1]; y2 = y1; } globalx2 += globaly2; globaly1 += globalx1; } while (y1 < y2-1) slowhline(x2,++y1); faketimerhandler(); } // // florscan (internal) // static void florscan(int32_t x1, int32_t x2, int32_t sectnum) { int32_t i, j, ox, oy, x, y1, y2, twall, bwall; sectortype *sec; sec = §or[sectnum]; if (palookup[sec->floorpal] != globalpalwritten) { globalpalwritten = palookup[sec->floorpal]; if (!globalpalwritten) globalpalwritten = palookup[globalpal]; // JBF: fixes null-pointer crash setpalookupaddress(globalpalwritten); } globalzd = globalposz-sec->floorz; if (globalzd > 0) return; globalpicnum = sec->floorpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return; if (picanm[globalpicnum]&192) globalpicnum += animateoffs((int16_t)globalpicnum,(int16_t)sectnum); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); globalbufplc = waloff[globalpicnum]; globalshade = (int32_t)sec->floorshade; globvis = globalcisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globalorientation = (int32_t)sec->floorstat; if ((globalorientation&64) == 0) { globalx1 = singlobalang; globalx2 = singlobalang; globaly1 = cosglobalang; globaly2 = cosglobalang; globalxpanning = (globalposx<<20); globalypanning = -(globalposy<<20); } else { j = sec->wallptr; ox = wall[wall[j].point2].x - wall[j].x; oy = wall[wall[j].point2].y - wall[j].y; i = nsqrtasm(ox*ox+oy*oy); if (i == 0) i = 1024; else i = 1048576/i; globalx1 = mulscale10(dmulscale10(ox,singlobalang,-oy,cosglobalang),i); globaly1 = mulscale10(dmulscale10(ox,cosglobalang,oy,singlobalang),i); globalx2 = -globalx1; globaly2 = -globaly1; ox = ((wall[j].x-globalposx)<<6); oy = ((wall[j].y-globalposy)<<6); i = dmulscale14(oy,cosglobalang,-ox,singlobalang); j = dmulscale14(ox,cosglobalang,oy,singlobalang); ox = i; oy = j; globalxpanning = globalx1*ox - globaly1*oy; globalypanning = globaly2*ox + globalx2*oy; } globalx2 = mulscale16(globalx2,viewingrangerecip); globaly1 = mulscale16(globaly1,viewingrangerecip); globalxshift = (8-(picsiz[globalpicnum]&15)); globalyshift = (8-(picsiz[globalpicnum]>>4)); if (globalorientation&8) { globalxshift++; globalyshift++; } if ((globalorientation&0x4) > 0) { i = globalxpanning; globalxpanning = globalypanning; globalypanning = i; i = globalx2; globalx2 = -globaly1; globaly1 = -i; i = globalx1; globalx1 = globaly2; globaly2 = i; } if ((globalorientation&0x10) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalxpanning = -globalxpanning; if ((globalorientation&0x20) > 0) globalx2 = -globalx2, globaly2 = -globaly2, globalypanning = -globalypanning; globalx1 <<= globalxshift; globaly1 <<= globalxshift; globalx2 <<= globalyshift; globaly2 <<= globalyshift; globalxpanning <<= globalxshift; globalypanning <<= globalyshift; globalxpanning += (((int32_t)sec->floorxpanning)<<24); globalypanning += (((int32_t)sec->floorypanning)<<24); globaly1 = (-globalx1-globaly1)*halfxdimen; globalx2 = (globalx2-globaly2)*halfxdimen; sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,globalbufplc); globalx2 += globaly2*(x1-1); globaly1 += globalx1*(x1-1); globalx1 = mulscale16(globalx1,globalzd); globalx2 = mulscale16(globalx2,globalzd); globaly1 = mulscale16(globaly1,globalzd); globaly2 = mulscale16(globaly2,globalzd); globvis = klabs(mulscale10(globvis,globalzd)); if (!(globalorientation&0x180)) { y1 = max(dplc[x1],umost[x1]); y2 = y1; for (x=x1; x<=x2; x++) { twall = max(dplc[x],umost[x])-1; bwall = dmost[x]; if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) hline(x-1,++y1); y1 = twall; } else { while (y1 < twall) hline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) hline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) hline(x-1,++y1); if (x == x2) { globalx2 += globaly2; globaly1 += globalx1; break; } y1 = max(dplc[x+1],umost[x+1]); y2 = y1; } globalx2 += globaly2; globaly1 += globalx1; } while (y1 < y2-1) hline(x2,++y1); faketimerhandler(); return; } switch (globalorientation&0x180) { case 128: msethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; case 256: settransnormal(); tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; case 384: settransreverse(); tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; } y1 = max(dplc[x1],umost[x1]); y2 = y1; for (x=x1; x<=x2; x++) { twall = max(dplc[x],umost[x])-1; bwall = dmost[x]; if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) slowhline(x-1,++y1); y1 = twall; } else { while (y1 < twall) slowhline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) slowhline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) slowhline(x-1,++y1); if (x == x2) { globalx2 += globaly2; globaly1 += globalx1; break; } y1 = max(dplc[x+1],umost[x+1]); y2 = y1; } globalx2 += globaly2; globaly1 += globalx1; } while (y1 < y2-1) slowhline(x2,++y1); faketimerhandler(); } // // wallscan (internal) // static void wallscan(int32_t x1, int32_t x2, int16_t *uwal, int16_t *dwal, int32_t *swal, int32_t *lwal) { int32_t x, xnice, ynice; intptr_t fpalookup; int32_t y1ve[4], y2ve[4], tsizx, tsizy; #if 1 //ndef ENGINE_USING_A_C char bad; int32_t i, u4, d4, z; uintptr_t p; #endif #ifdef YAX_ENABLE if (g_nodraw) return; #endif if (x2 >= xdim) x2 = xdim-1; tsizx = tilesizx[globalpicnum]; tsizy = tilesizy[globalpicnum]; setgotpic(globalpicnum); if ((tsizx <= 0) || (tsizy <= 0)) return; if ((uwal[x1] > ydimen) && (uwal[x2] > ydimen)) return; if ((dwal[x1] < 0) && (dwal[x2] < 0)) return; if (waloff[globalpicnum] == 0) loadtile(globalpicnum); xnice = (pow2long[picsiz[globalpicnum]&15] == tsizx); if (xnice) tsizx--; ynice = (pow2long[picsiz[globalpicnum]>>4] == tsizy); if (ynice) tsizy = (picsiz[globalpicnum]>>4); fpalookup = FP_OFF(palookup[globalpal]); setupvlineasm(globalshiftval); #if 1 //ndef ENGINE_USING_A_C x = x1; while ((umost[x] > dmost[x]) && (x <= x2)) x++; for (; (x<=x2)&&((x+frameoffset)&3); x++) { y1ve[0] = max(uwal[x],umost[x]); y2ve[0] = min(dwal[x],dmost[x]); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); vlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],x+frameoffset+ylookup[y1ve[0]]); } for (; x<=x2-3; x+=4) { bad = 0; for (z=3; z>=0; z--) { y1ve[z] = max(uwal[x+z],umost[x+z]); y2ve[z] = min(dwal[x+z],dmost[x+z])-1; if (y2ve[z] < y1ve[z]) { bad += pow2char[z]; continue; } i = lwal[x+z] + globalxpanning; if (i >= tsizx) { if (xnice == 0) i %= tsizx; else i &= tsizx; } if (ynice == 0) i *= tsizy; else i <<= tsizy; bufplce[z] = waloff[globalpicnum]+i; vince[z] = swal[x+z]*globalyscale; vplce[z] = globalzd + vince[z]*(y1ve[z]-globalhoriz+1); } if (bad == 15) continue; palookupoffse[0] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x],globvis),globalshade)<<8); palookupoffse[3] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x+3],globvis),globalshade)<<8); if ((palookupoffse[0] == palookupoffse[3]) && ((bad&0x9) == 0)) { palookupoffse[1] = palookupoffse[0]; palookupoffse[2] = palookupoffse[0]; } else { palookupoffse[1] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x+1],globvis),globalshade)<<8); palookupoffse[2] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x+2],globvis),globalshade)<<8); } u4 = max(max(y1ve[0],y1ve[1]),max(y1ve[2],y1ve[3])); d4 = min(min(y2ve[0],y2ve[1]),min(y2ve[2],y2ve[3])); if ((bad != 0) || (u4 >= d4)) { if (!(bad&1)) prevlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],bufplce[0],ylookup[y1ve[0]]+x+frameoffset+0); if (!(bad&2)) prevlineasm1(vince[1],palookupoffse[1],y2ve[1]-y1ve[1],vplce[1],bufplce[1],ylookup[y1ve[1]]+x+frameoffset+1); if (!(bad&4)) prevlineasm1(vince[2],palookupoffse[2],y2ve[2]-y1ve[2],vplce[2],bufplce[2],ylookup[y1ve[2]]+x+frameoffset+2); if (!(bad&8)) prevlineasm1(vince[3],palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],bufplce[3],ylookup[y1ve[3]]+x+frameoffset+3); continue; } if (u4 > y1ve[0]) vplce[0] = prevlineasm1(vince[0],palookupoffse[0],u4-y1ve[0]-1,vplce[0],bufplce[0],ylookup[y1ve[0]]+x+frameoffset+0); if (u4 > y1ve[1]) vplce[1] = prevlineasm1(vince[1],palookupoffse[1],u4-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+x+frameoffset+1); if (u4 > y1ve[2]) vplce[2] = prevlineasm1(vince[2],palookupoffse[2],u4-y1ve[2]-1,vplce[2],bufplce[2],ylookup[y1ve[2]]+x+frameoffset+2); if (u4 > y1ve[3]) vplce[3] = prevlineasm1(vince[3],palookupoffse[3],u4-y1ve[3]-1,vplce[3],bufplce[3],ylookup[y1ve[3]]+x+frameoffset+3); if (d4 >= u4) vlineasm4(d4-u4+1, (char *)ylookup[u4]+x+frameoffset); p = x+frameoffset+ylookup[d4+1]; if (y2ve[0] > d4) prevlineasm1(vince[0],palookupoffse[0],y2ve[0]-d4-1,vplce[0],bufplce[0],p+0); if (y2ve[1] > d4) prevlineasm1(vince[1],palookupoffse[1],y2ve[1]-d4-1,vplce[1],bufplce[1],p+1); if (y2ve[2] > d4) prevlineasm1(vince[2],palookupoffse[2],y2ve[2]-d4-1,vplce[2],bufplce[2],p+2); if (y2ve[3] > d4) prevlineasm1(vince[3],palookupoffse[3],y2ve[3]-d4-1,vplce[3],bufplce[3],p+3); } for (; x<=x2; x++) { y1ve[0] = max(uwal[x],umost[x]); y2ve[0] = min(dwal[x],dmost[x]); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); vlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],x+frameoffset+ylookup[y1ve[0]]); } #else // ENGINE_USING_A_C for (x=x1; x<=x2; x++) { y1ve[0] = max(uwal[x],umost[x]); y2ve[0] = min(dwal[x],dmost[x]); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int32_t)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); vlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],bufplce[0]+waloff[globalpicnum],x+frameoffset+ylookup[y1ve[0]]); } #endif faketimerhandler(); } // // transmaskvline (internal) // static void transmaskvline(int32_t x) { int32_t vplc, vinc, i; intptr_t palookupoffs; intptr_t bufplc,p; int16_t y1v, y2v; if ((x < 0) || (x >= xdimen)) return; y1v = max(uwall[x],startumost[x+windowx1]-windowy1); y2v = min(dwall[x],startdmost[x+windowx1]-windowy1); y2v--; if (y2v < y1v) return; palookupoffs = FP_OFF(palookup[globalpal]) + (getpalookup((int32_t)mulscale16(swall[x],globvis),globalshade)<<8); vinc = swall[x]*globalyscale; vplc = globalzd + vinc*(y1v-globalhoriz+1); i = lwall[x]+globalxpanning; if (i >= tilesizx[globalpicnum]) i %= tilesizx[globalpicnum]; bufplc = waloff[globalpicnum]+i*tilesizy[globalpicnum]; p = ylookup[y1v]+x+frameoffset; tvlineasm1(vinc,palookupoffs,y2v-y1v,vplc,bufplc,p); } // // transmaskvline2 (internal) // #if 1 //ndef ENGINE_USING_A_C static void transmaskvline2(int32_t x) { int32_t i, y1, y2, x2; int16_t y1ve[2], y2ve[2]; uintptr_t p; if ((x < 0) || (x >= xdimen)) return; if (x == xdimen-1) { transmaskvline(x); return; } x2 = x+1; y1ve[0] = max(uwall[x],startumost[x+windowx1]-windowy1); y2ve[0] = min(dwall[x],startdmost[x+windowx1]-windowy1)-1; if (y2ve[0] < y1ve[0]) { transmaskvline(x2); return; } y1ve[1] = max(uwall[x2],startumost[x2+windowx1]-windowy1); y2ve[1] = min(dwall[x2],startdmost[x2+windowx1]-windowy1)-1; if (y2ve[1] < y1ve[1]) { transmaskvline(x); return; } palookupoffse[0] = FP_OFF(palookup[globalpal]) + (getpalookup((int32_t)mulscale16(swall[x],globvis),globalshade)<<8); palookupoffse[1] = FP_OFF(palookup[globalpal]) + (getpalookup((int32_t)mulscale16(swall[x2],globvis),globalshade)<<8); setuptvlineasm2(globalshiftval,palookupoffse[0],palookupoffse[1]); vince[0] = swall[x]*globalyscale; vince[1] = swall[x2]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); vplce[1] = globalzd + vince[1]*(y1ve[1]-globalhoriz+1); i = lwall[x] + globalxpanning; if (i >= tilesizx[globalpicnum]) i %= tilesizx[globalpicnum]; bufplce[0] = waloff[globalpicnum]+i*tilesizy[globalpicnum]; i = lwall[x2] + globalxpanning; if (i >= tilesizx[globalpicnum]) i %= tilesizx[globalpicnum]; bufplce[1] = waloff[globalpicnum]+i*tilesizy[globalpicnum]; y1 = max(y1ve[0],y1ve[1]); y2 = min(y2ve[0],y2ve[1]); p = x+frameoffset; if (y1ve[0] != y1ve[1]) { if (y1ve[0] < y1) vplce[0] = tvlineasm1(vince[0],palookupoffse[0],y1-y1ve[0]-1,vplce[0],bufplce[0],ylookup[y1ve[0]]+p); else vplce[1] = tvlineasm1(vince[1],palookupoffse[1],y1-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1); } if (y2 > y1) { asm1 = vince[1]; asm2 = ylookup[y2]+p+1; tvlineasm2(vplce[1],vince[0],bufplce[0],bufplce[1],vplce[0],ylookup[y1]+p); } else { asm1 = vplce[0]; asm2 = vplce[1]; } if (y2ve[0] > y2ve[1]) tvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y2-1,asm1,bufplce[0],ylookup[y2+1]+p); else if (y2ve[0] < y2ve[1]) tvlineasm1(vince[1],palookupoffse[1],y2ve[1]-y2-1,asm2,bufplce[1],ylookup[y2+1]+p+1); faketimerhandler(); } #endif // // transmaskwallscan (internal) // static void transmaskwallscan(int32_t x1, int32_t x2) { int32_t x; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return; if (waloff[globalpicnum] == 0) loadtile(globalpicnum); setuptvlineasm(globalshiftval); x = x1; while ((startumost[x+windowx1] > startdmost[x+windowx1]) && (x <= x2)) x++; #if 1 //ndef ENGINE_USING_A_C if ((x <= x2) && (x&1)) transmaskvline(x), x++; while (x < x2) transmaskvline2(x), x += 2; #endif while (x <= x2) transmaskvline(x), x++; faketimerhandler(); } ////////// NON-power-of-two replacements for mhline/thline, adapted from a.c ////////// #if defined(__GNUC__) && defined(__i386__) && !defined(NOASM) // from pragmas.h # define ourdivscale32(d,b) \ ({ int32_t __d=(d), __b=(b), __r; \ __asm__ __volatile__ ("xorl %%eax, %%eax; idivl %%ebx" \ : "=a" (__r), "=d" (__d) : "d" (__d), "b" (__b) : "cc"); \ __r; }) #else # define ourdivscale32(d,b) divscale32(d,b) #endif // cntup16>>16 iterations static void nonpow2_mhline(intptr_t bufplc, uint32_t bx, int32_t cntup16, int32_t junk, uint32_t by, char *p) { char ch; const char *const buf = (char *)bufplc; const char *const pal = (char *)asm3; const uint32_t xdiv = globalxspan > 1 ? (uint32_t)ourdivscale32(1, globalxspan) : UINT32_MAX; const uint32_t ydiv = globalyspan > 1 ? (uint32_t)ourdivscale32(1, globalyspan) : UINT32_MAX; const uint32_t yspan = globalyspan; const int32_t xinc = asm1, yinc = asm2; UNREFERENCED_PARAMETER(junk); for (cntup16>>=16; cntup16>0; cntup16--) { ch = buf[(bx/xdiv)*yspan + by/ydiv]; if (ch != 255) *p = pal[ch]; bx += xinc; by += yinc; p++; } } // cntup16>>16 iterations static void nonpow2_thline(intptr_t bufplc, uint32_t bx, int32_t cntup16, int32_t junk, uint32_t by, char *p) { char ch; const char *const buf = (char *)bufplc; const char *const pal = (char *)asm3; const char *const trans = transluc; const uint32_t xdiv = globalxspan > 1 ? (uint32_t)ourdivscale32(1, globalxspan) : UINT32_MAX; const uint32_t ydiv = globalyspan > 1 ? (uint32_t)ourdivscale32(1, globalyspan) : UINT32_MAX; const uint32_t yspan = globalyspan; const int32_t xinc = asm1, yinc = asm2; UNREFERENCED_PARAMETER(junk); if (globalorientation&512) { for (cntup16>>=16; cntup16>0; cntup16--) { ch = buf[(bx/xdiv)*yspan + by/ydiv]; if (ch != 255) *p = trans[(*p)|(pal[ch]<<8)]; bx += xinc; by += yinc; p++; } } else { for (cntup16>>=16; cntup16>0; cntup16--) { ch = buf[(bx/xdiv)*yspan + by/ydiv]; if (ch != 255) *p = trans[((*p)<<8)|pal[ch]]; bx += xinc; by += yinc; p++; } } } ////////// END non-power-of-two replacements ////////// // // ceilspritehline (internal) // static inline void ceilspritehline(int32_t x2, int32_t y) { int32_t x1, v, bx, by; //x = x1 + (x2-x1)t + (y1-y2)u ~ x = 160v //y = y1 + (y2-y1)t + (x2-x1)u ~ y = (scrx-160)v //z = z1 = z2 ~ z = posz + (scry-horiz)v x1 = lastx[y]; if (x2 < x1) return; v = mulscale20(globalzd,horizlookup[y-globalhoriz+horizycent]); bx = mulscale14(globalx2*x1+globalx1,v) + globalxpanning; by = mulscale14(globaly2*x1+globaly1,v) + globalypanning; asm1 = mulscale14(globalx2,v); asm2 = mulscale14(globaly2,v); asm3 = FP_OFF(palookup[globalpal]) + (getpalookup((int32_t)mulscale28(klabs(v),globvis),globalshade)<<8); if (globalispow2) { if ((globalorientation&2) == 0) mhline(globalbufplc,bx,(x2-x1)<<16,0L,by,ylookup[y]+x1+frameoffset); else { thline(globalbufplc,bx,(x2-x1)<<16,0L,by,ylookup[y]+x1+frameoffset); } } else { if ((globalorientation&2) == 0) nonpow2_mhline(globalbufplc,bx,(x2-x1)<<16,0L,by,(char *)(ylookup[y]+x1+frameoffset)); else { nonpow2_thline(globalbufplc,bx,(x2-x1)<<16,0L,by,(char *)(ylookup[y]+x1+frameoffset)); } } } // // ceilspritescan (internal) // static inline void ceilspritescan(int32_t x1, int32_t x2) { int32_t x, y1, y2, twall, bwall; y1 = uwall[x1]; y2 = y1; for (x=x1; x<=x2; x++) { twall = uwall[x]-1; bwall = dwall[x]; if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) ceilspritehline(x-1,++y1); y1 = twall; } else { while (y1 < twall) ceilspritehline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) ceilspritehline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) ceilspritehline(x-1,++y1); if (x == x2) break; y1 = uwall[x+1]; y2 = y1; } } while (y1 < y2-1) ceilspritehline(x2,++y1); faketimerhandler(); } ////////// translucent slope vline, based on a-c.c's slopevlin ////////// static int32_t gglogx, gglogy, ggpinc; static char *ggbuf, *ggpal; static void setupslopevlin_alsotrans(int32_t logylogx, intptr_t bufplc, int32_t pinc) { setupslopevlin(logylogx, bufplc, pinc); gglogx = (logylogx&255); gglogy = (logylogx>>8); ggbuf = (char *)bufplc; ggpinc = pinc; ggpal = palookup[globalpal] + (getpalookup(0,globalshade)<<8); } // cnt iterations static void tslopevlin(uint8_t *p, int32_t i, const intptr_t *slopalptr, int32_t cnt, int32_t bx, int32_t by) { const char *const buf = ggbuf; const char *const pal = ggpal; const char *const trans = transluc; const int32_t bzinc = (asm1>>3), pinc = ggpinc; const int32_t transmode = (globalorientation&128); const int32_t xtou = globalx3, ytov = globaly3; const int32_t logx = gglogx, logy = gglogy; int32_t bz = asm3; do { uint8_t ch; uint32_t u, v; i = krecipasm(bz>>6); bz += bzinc; u = bx + xtou*i; v = by + ytov*i; ch = *(uint8_t *)(slopalptr[0] + buf[((u>>(32-logx))<>(32-logy))]); if (transmode) { if (ch != 255) *p = trans[*p|(pal[ch]<<8)]; } else { if (ch != 255) *p = trans[(*p<<8)|pal[ch]]; } slopalptr--; p += pinc; } while (--cnt); } // // grouscan (internal) // #define BITSOFPRECISION 3 //Don't forget to change this in A.ASM also! static void grouscan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat) { int32_t i, l, x, y, dx, dy, wx, wy, y1, y2, daz; int32_t daslope, dasqr; int32_t shoffs, shinc, m1, m2; intptr_t *mptr1, *mptr2, *nptr1, *nptr2,j; walltype *wal; sectortype *sec; sec = §or[sectnum]; if (dastat == 0) { if (globalposz <= getceilzofslope(sectnum,globalposx,globalposy)) return; //Back-face culling globalorientation = sec->ceilingstat; globalpicnum = sec->ceilingpicnum; globalshade = sec->ceilingshade; globalpal = sec->ceilingpal; daslope = sec->ceilingheinum; daz = sec->ceilingz; } else { if (globalposz >= getflorzofslope(sectnum,globalposx,globalposy)) return; //Back-face culling globalorientation = sec->floorstat; globalpicnum = sec->floorpicnum; globalshade = sec->floorshade; globalpal = sec->floorpal; daslope = sec->floorheinum; daz = sec->floorz; } if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs(globalpicnum,sectnum); setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return; if (waloff[globalpicnum] == 0) loadtile(globalpicnum); wal = &wall[sec->wallptr]; wx = wall[wal->point2].x - wal->x; wy = wall[wal->point2].y - wal->y; dasqr = krecipasm(nsqrtasm(wx*wx+wy*wy)); i = mulscale21(daslope,dasqr); wx *= i; wy *= i; globalx = -mulscale19(singlobalang,xdimenrecip); globaly = mulscale19(cosglobalang,xdimenrecip); globalx1 = (globalposx<<8); globaly1 = -(globalposy<<8); i = (dax1-halfxdimen)*xdimenrecip; globalx2 = mulscale16(cosglobalang<<4,viewingrangerecip) - mulscale27(singlobalang,i); globaly2 = mulscale16(singlobalang<<4,viewingrangerecip) + mulscale27(cosglobalang,i); globalzd = (xdimscale<<9); globalzx = -dmulscale17(wx,globaly2,-wy,globalx2) + mulscale10(1-globalhoriz,globalzd); globalz = -dmulscale25(wx,globaly,-wy,globalx); if (globalorientation&64) //Relative alignment { dx = mulscale14(wall[wal->point2].x-wal->x,dasqr); dy = mulscale14(wall[wal->point2].y-wal->y,dasqr); i = nsqrtasm(daslope*daslope+16777216); x = globalx; y = globaly; globalx = dmulscale16(x,dx,y,dy); globaly = mulscale12(dmulscale16(-y,dx,x,dy),i); x = ((wal->x-globalposx)<<8); y = ((wal->y-globalposy)<<8); globalx1 = dmulscale16(-x,dx,-y,dy); globaly1 = mulscale12(dmulscale16(-y,dx,x,dy),i); x = globalx2; y = globaly2; globalx2 = dmulscale16(x,dx,y,dy); globaly2 = mulscale12(dmulscale16(-y,dx,x,dy),i); } if (globalorientation&0x4) { i = globalx; globalx = -globaly; globaly = -i; i = globalx1; globalx1 = globaly1; globaly1 = i; i = globalx2; globalx2 = -globaly2; globaly2 = -i; } if (globalorientation&0x10) { globalx1 = -globalx1, globalx2 = -globalx2, globalx = -globalx; } if (globalorientation&0x20) { globaly1 = -globaly1, globaly2 = -globaly2, globaly = -globaly; } daz = dmulscale9(wx,globalposy-wal->y,-wy,globalposx-wal->x) + ((daz-globalposz)<<8); globalx2 = mulscale20(globalx2,daz); globalx = mulscale28(globalx,daz); globaly2 = mulscale20(globaly2,-daz); globaly = mulscale28(globaly,-daz); i = 8-(picsiz[globalpicnum]&15); j = 8-(picsiz[globalpicnum]>>4); if (globalorientation&8) { i++; j++; } globalx1 <<= (i+12); globalx2 <<= i; globalx <<= i; globaly1 <<= (j+12); globaly2 <<= j; globaly <<= j; if (dastat == 0) { globalx1 += (((int32_t)sec->ceilingxpanning)<<24); globaly1 += (((int32_t)sec->ceilingypanning)<<24); } else { globalx1 += (((int32_t)sec->floorxpanning)<<24); globaly1 += (((int32_t)sec->floorypanning)<<24); } asm1 = -(globalzd>>(16-BITSOFPRECISION)); globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globvis = mulscale13(globvis,daz); globvis = mulscale16(globvis,xdimscale); j = FP_OFF(palookup[globalpal]); setupslopevlin_alsotrans(((int32_t)(picsiz[globalpicnum]&15))+(((int32_t)(picsiz[globalpicnum]>>4))<<8), waloff[globalpicnum],-ylookup[1]); l = (globalzd>>16); shinc = mulscale16(globalz,xdimenscale); if (shinc > 0) shoffs = (4<<15); else shoffs = ((16380-ydimen)<<15); // JBF: was 2044 if (dastat == 0) y1 = umost[dax1]; else y1 = max(umost[dax1],dplc[dax1]); m1 = mulscale16(y1,globalzd) + (globalzx>>6); //Avoid visibility overflow by crossing horizon if (globalzd > 0) m1 += (globalzd>>16); else m1 -= (globalzd>>16); m2 = m1+l; mptr1 = (intptr_t *)&slopalookup[y1+(shoffs>>15)]; mptr2 = mptr1+1; for (x=dax1; x<=dax2; x++) { if (dastat == 0) { y1 = umost[x]; y2 = min(dmost[x],uplc[x])-1; } else { y1 = max(umost[x],dplc[x]); y2 = dmost[x]-1; } if (y1 <= y2) { nptr1 = (intptr_t *)&slopalookup[y1+(shoffs>>15)]; nptr2 = (intptr_t *)&slopalookup[y2+(shoffs>>15)]; while (nptr1 <= mptr1) { *mptr1-- = j + (getpalookup((int32_t)mulscale24(krecipasm(m1),globvis),globalshade)<<8); m1 -= l; } while (nptr2 >= mptr2) { *mptr2++ = j + (getpalookup((int32_t)mulscale24(krecipasm(m2),globvis),globalshade)<<8); m2 += l; } globalx3 = (globalx2>>10); globaly3 = (globaly2>>10); asm3 = mulscale16(y2,globalzd) + (globalzx>>6); if ((globalorientation&256)==0) slopevlin(ylookup[y2]+x+frameoffset,krecipasm(asm3>>3),(intptr_t)nptr2,y2-y1+1,globalx1,globaly1); else tslopevlin((uint8_t *)(ylookup[y2]+x+frameoffset),0,nptr2,y2-y1+1,globalx1,globaly1); if ((x&15) == 0) faketimerhandler(); } globalx2 += globalx; globaly2 += globaly; globalzx += globalz; shoffs += shinc; } } // // parascan (internal) // static void parascan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat, int32_t bunch) { sectortype *sec; int32_t j, k, l, m, n, x, z, wallnum, nextsectnum, globalhorizbak; int16_t *topptr, *botptr; int32_t dapyscale; int16_t dapskybits; static const int16_t zeropskyoff[MAXPSKYTILES]; const int16_t *dapskyoff; UNREFERENCED_PARAMETER(dax1); UNREFERENCED_PARAMETER(dax2); sectnum = thesector[bunchfirst[bunch]]; sec = §or[sectnum]; globalhorizbak = globalhoriz; globvis = globalpisibility; //globalorientation = 0L; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); if (dastat == 0) { globalpal = sec->ceilingpal; globalpicnum = sec->ceilingpicnum; globalshade = (int32_t)sec->ceilingshade; globalxpanning = (int32_t)sec->ceilingxpanning; globalypanning = (int32_t)sec->ceilingypanning; topptr = umost; botptr = uplc; } else { globalpal = sec->floorpal; globalpicnum = sec->floorpicnum; globalshade = (int32_t)sec->floorshade; globalxpanning = (int32_t)sec->floorxpanning; globalypanning = (int32_t)sec->floorypanning; topptr = dplc; botptr = dmost; } if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(int16_t)sectnum); globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalzd = (((tilesizy[globalpicnum]>>1)+parallaxyoffs)<>1),dapyscale) + (ydimen>>1); k = 11 - (picsiz[globalpicnum]&15) - dapskybits; // WGR2 SVN: select new episode after playing wgmicky1 with Polymer // (maybe switched to classic earlier). // --> rendmode==0, glrendmode==4, we end up with globalpicnum==266, // picsiz...==9 and dapskybits==3 // FIXME ? if (k < 0) k = 0; x = -1; for (z=bunchfirst[bunch]; z>=0; z=p2[z]) { wallnum = thewall[z]; nextsectnum = wall[wallnum].nextsector; if (nextsectnum >= 0) //else negative array access { if (dastat == 0) j = sector[nextsectnum].ceilingstat; else j = sector[nextsectnum].floorstat; } if ((nextsectnum < 0) || (wall[wallnum].cstat&32) || ((j&1) == 0)) { if (x == -1) x = xb1[z]; if (parallaxtype == 0) { n = mulscale16(xdimenrecip,viewingrange); for (j=xb1[z]; j<=xb2[z]; j++) lplc[j] = (((mulscale23(j-halfxdimen,n)+globalang)&2047)>>k); } else { for (j=xb1[z]; j<=xb2[z]; j++) lplc[j] = ((((int32_t)radarang2[j]+globalang)&2047)>>k); } if (parallaxtype == 2) { n = mulscale16(xdimscale,viewingrange); for (j=xb1[z]; j<=xb2[z]; j++) swplc[j] = mulscale14(sintable[((int32_t)radarang2[j]+512)&2047],n); } else clearbuf(&swplc[xb1[z]],xb2[z]-xb1[z]+1,mulscale16(xdimscale,viewingrange)); } else if (x >= 0) { l = globalpicnum; m = (picsiz[globalpicnum]&15); globalpicnum = l + dapskyoff[lplc[x]>>m]; if (((lplc[x]^lplc[xb1[z]-1])>>m) == 0) wallscan(x,xb1[z]-1,topptr,botptr,swplc,lplc); else { j = x; while (x < xb1[z]) { n = l + dapskyoff[lplc[x]>>m]; if (n != globalpicnum) { wallscan(j,x-1,topptr,botptr,swplc,lplc); j = x; globalpicnum = n; } x++; } if (j < x) wallscan(j,x-1,topptr,botptr,swplc,lplc); } globalpicnum = l; x = -1; } } if (x >= 0) { l = globalpicnum; m = (picsiz[globalpicnum]&15); globalpicnum = l + dapskyoff[lplc[x]>>m]; if (((lplc[x]^lplc[xb2[bunchlast[bunch]]])>>m) == 0) wallscan(x,xb2[bunchlast[bunch]],topptr,botptr,swplc,lplc); else { j = x; while (x <= xb2[bunchlast[bunch]]) { n = l + dapskyoff[lplc[x]>>m]; if (n != globalpicnum) { wallscan(j,x-1,topptr,botptr,swplc,lplc); j = x; globalpicnum = n; } x++; } if (j <= x) wallscan(j,x-1,topptr,botptr,swplc,lplc); } globalpicnum = l; } globalhoriz = globalhorizbak; } // set orientation, panning, shade, pal; picnum static void setup_globals_wall1(const walltype *wal, int32_t dapicnum) { globalorientation = wal->cstat; globalpicnum = dapicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum, 0); globalxpanning = wal->xpanning; globalypanning = wal->ypanning; globalshade = wal->shade; globalpal = wal->pal; if (palookup[globalpal] == NULL) globalpal = 0; // JBF: fixes crash } static void setup_globals_wall2(const walltype *wal, uint8_t secvisibility, int32_t topzref, int32_t botzref) { globvis = globalvisibility; if (secvisibility != 0) globvis = mulscale4(globvis, (int32_t)((uint8_t)(secvisibility+16))); globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = (wal->yrepeat<<(globalshiftval-19)); if ((globalorientation&4) == 0) globalzd = (((globalposz-topzref)*globalyscale)<<8); else // bottom-aligned globalzd = (((globalposz-botzref)*globalyscale)<<8); globalzd += (globalypanning<<24); if (globalorientation&256) // y-flipped globalyscale = -globalyscale, globalzd = -globalzd; } // // drawalls (internal) // static void drawalls(int32_t bunch) { sectortype *sec, *nextsec; walltype *wal; int32_t i, x, x1, x2, cz[5], fz[5]; int32_t z, wallnum, sectnum, nextsectnum; int32_t startsmostwallcnt, startsmostcnt, gotswall; char andwstat1, andwstat2; z = bunchfirst[bunch]; sectnum = thesector[z]; sec = §or[sectnum]; andwstat1 = 0xff; andwstat2 = 0xff; for (; z>=0; z=p2[z]) //uplc/dplc calculation { andwstat1 &= wallmost(uplc,z,sectnum,(uint8_t)0); andwstat2 &= wallmost(dplc,z,sectnum,(uint8_t)1); } #ifdef YAX_ENABLE if (g_nodraw) { int32_t baselevp, checkcf; int16_t bn[2]; # if 0 int32_t obunchchk = (1 && yax_globalbunch>=0 && haveymost[yax_globalbunch>>3]&(1<<(yax_globalbunch&7))); // if (obunchchk) x2 = yax_globalbunch*xdimen; # endif baselevp = (yax_globallev == YAX_MAXDRAWS); yax_getbunches(sectnum, &bn[0], &bn[1]); checkcf = (bn[0]>=0) + ((bn[1]>=0)<<1); if (!baselevp) checkcf &= (1<>3]&(1<<(bn[i]&7)))==0) { // init yax *most arrays for that bunch haveymost[bn[i]>>3] |= (1<<(bn[i]&7)); for (x=xdimen*bn[i]; xceilingstat&256)==0 || yax_nomaskpass==1 || !(yax_gotsector[sectnum>>3]&(1<<(sectnum&7)))) #endif { if ((sec->ceilingstat&3) == 2) grouscan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum,0); else if ((sec->ceilingstat&1) == 0) ceilscan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum); else parascan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum,0,bunch); } if ((andwstat2&12) != 12) //draw floors #ifdef YAX_ENABLE // this is to prevent double-drawing of translucent masked floors if (r_tror_nomaskpass==0 || yax_globallev==YAX_MAXDRAWS || (sec->floorstat&256)==0 || yax_nomaskpass==1 || !(yax_gotsector[sectnum>>3]&(1<<(sectnum&7)))) #endif { if ((sec->floorstat&3) == 2) grouscan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum,1); else if ((sec->floorstat&1) == 0) florscan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum); else parascan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum,1,bunch); } } //DRAW WALLS SECTION! for (z=bunchfirst[bunch]; z>=0; z=p2[z]) { x1 = xb1[z]; x2 = xb2[z]; if (umost[x2] >= dmost[x2]) { for (x=x1; x= x2) { smostwall[smostwallcnt] = z; smostwalltype[smostwallcnt] = 0; smostwallcnt++; continue; } } wallnum = thewall[z]; wal = &wall[wallnum]; nextsectnum = wal->nextsector; nextsec = nextsectnum>=0 ? §or[nextsectnum] : NULL; gotswall = 0; startsmostwallcnt = smostwallcnt; startsmostcnt = smostcnt; if ((searchit == 2) && (searchx >= x1) && (searchx <= x2)) { if (searchy <= uplc[searchx] #ifdef YAX_ENABLE && umost[searchx] <= searchy && getceilzofslope(sectnum, globalposx, globalposy) <= globalposz && (yax_getbunch(sectnum, YAX_CEILING) < 0 || showinvisibility || (sec->ceilingstat&(256+128)) || klabs(yax_globallev-YAX_MAXDRAWS)==YAX_MAXDRAWS) #endif ) //ceiling { searchsector = sectnum; searchwall = wallnum; searchstat = 1; searchit = 1; } else if (dplc[searchx] <= searchy #ifdef YAX_ENABLE && searchy < dmost[searchx] && getflorzofslope(sectnum, globalposx, globalposy) >= globalposz && (yax_getbunch(sectnum, YAX_FLOOR) < 0 || showinvisibility || (sec->floorstat&(256+128)) || klabs(yax_globallev-YAX_MAXDRAWS)==YAX_MAXDRAWS) #endif ) //floor { searchsector = sectnum; searchwall = wallnum; searchstat = 2; searchit = 1; } } #ifdef YAX_ENABLE if (yax_nomaskpass==0 || !yax_isislandwall(wallnum, !yax_globalcf) || (yax_nomaskdidit=1, 0)) #endif if (nextsectnum >= 0) { // 2 <--- 3 // x------------------x // 0 ---> 1 // // 4 (our pos, z wrt the nextsector!) getzsofslope((int16_t)sectnum,wal->x,wal->y,&cz[0],&fz[0]); getzsofslope((int16_t)sectnum,wall[wal->point2].x,wall[wal->point2].y,&cz[1],&fz[1]); getzsofslope((int16_t)nextsectnum,wal->x,wal->y,&cz[2],&fz[2]); getzsofslope((int16_t)nextsectnum,wall[wal->point2].x,wall[wal->point2].y,&cz[3],&fz[3]); getzsofslope((int16_t)nextsectnum,globalposx,globalposy,&cz[4],&fz[4]); if ((wal->cstat&48) == 16) maskwall[maskwallcnt++] = z; if (((sec->ceilingstat&1) == 0) || ((nextsec->ceilingstat&1) == 0)) { if ((cz[2] <= cz[0]) && (cz[3] <= cz[1])) { // if (globparaceilclip) if (getceilzofslope(sectnum, globalposx, globalposy) <= globalposz) for (x=x1; x<=x2; x++) if (uplc[x] > umost[x]) if (umost[x] <= dmost[x]) { umost[x] = uplc[x]; if (umost[x] > dmost[x]) numhits--; } } else { wallmost(dwall,z,nextsectnum,(uint8_t)0); if ((cz[2] > fz[0]) || (cz[3] > fz[1])) for (i=x1; i<=x2; i++) if (dwall[i] > dplc[i]) dwall[i] = dplc[i]; if ((searchit == 2) && (searchx >= x1) && (searchx <= x2)) #ifdef YAX_ENABLE if (uplc[searchx] <= searchy) #endif if (searchy <= dwall[searchx]) //wall { searchsector = sectnum; searchbottomwall = searchwall = wallnum; searchisbottom = 0; searchstat = 0; searchit = 1; } setup_globals_wall1(wal, wal->picnum); setup_globals_wall2(wal, sec->visibility, nextsec->ceilingz, sec->ceilingz); if (gotswall == 0) { gotswall = 1; prepwall(z,wal); } wallscan(x1,x2,uplc,dwall,swall,lwall); if ((cz[2] >= cz[0]) && (cz[3] >= cz[1])) { for (x=x1; x<=x2; x++) if (dwall[x] > umost[x]) if (umost[x] <= dmost[x]) { umost[x] = dwall[x]; if (umost[x] > dmost[x]) numhits--; } } else { for (x=x1; x<=x2; x++) if (umost[x] <= dmost[x]) { i = max(uplc[x],dwall[x]); if (i > umost[x]) { umost[x] = i; if (umost[x] > dmost[x]) numhits--; } } } } if ((cz[2] < cz[0]) || (cz[3] < cz[1]) || (globalposz < cz[4])) { i = x2-x1+1; if (smostcnt+i < MAXYSAVES) { smoststart[smostwallcnt] = smostcnt; smostwall[smostwallcnt] = z; smostwalltype[smostwallcnt] = 1; //1 for umost smostwallcnt++; copybufbyte(&umost[x1],&smost[smostcnt],i*sizeof(smost[0])); smostcnt += i; } } } if (((sec->floorstat&1) == 0) || ((nextsec->floorstat&1) == 0)) { if ((fz[2] >= fz[0]) && (fz[3] >= fz[1])) { // if (globparaflorclip) if (getflorzofslope(sectnum, globalposx, globalposy) >= globalposz) for (x=x1; x<=x2; x++) if (dplc[x] < dmost[x]) if (umost[x] <= dmost[x]) { dmost[x] = dplc[x]; if (umost[x] > dmost[x]) numhits--; } } else { wallmost(uwall,z,nextsectnum,(uint8_t)1); if ((fz[2] < cz[0]) || (fz[3] < cz[1])) for (i=x1; i<=x2; i++) if (uwall[i] < uplc[i]) uwall[i] = uplc[i]; if ((searchit == 2) && (searchx >= x1) && (searchx <= x2)) #ifdef YAX_ENABLE if (dplc[searchx] >= searchy) #endif if (searchy >= uwall[searchx]) //wall { searchsector = sectnum; searchbottomwall = searchwall = wallnum; if ((wal->cstat&2) > 0) searchbottomwall = wal->nextwall; searchisbottom = 1; searchstat = 0; searchit = 1; } { const walltype *twal = (wal->cstat&2) ? &wall[wal->nextwall] : wal; setup_globals_wall1(twal, twal->picnum); } setup_globals_wall2(wal, sec->visibility, nextsec->floorz, sec->ceilingz); if (gotswall == 0) { gotswall = 1; prepwall(z,wal); } wallscan(x1,x2,uwall,dplc,swall,lwall); if ((fz[2] <= fz[0]) && (fz[3] <= fz[1])) { for (x=x1; x<=x2; x++) if (uwall[x] < dmost[x]) if (umost[x] <= dmost[x]) { dmost[x] = uwall[x]; if (umost[x] > dmost[x]) numhits--; } } else { for (x=x1; x<=x2; x++) if (umost[x] <= dmost[x]) { i = min(dplc[x],uwall[x]); if (i < dmost[x]) { dmost[x] = i; if (umost[x] > dmost[x]) numhits--; } } } } if ((fz[2] > fz[0]) || (fz[3] > fz[1]) || (globalposz > fz[4])) { i = x2-x1+1; if (smostcnt+i < MAXYSAVES) { smoststart[smostwallcnt] = smostcnt; smostwall[smostwallcnt] = z; smostwalltype[smostwallcnt] = 2; //2 for dmost smostwallcnt++; copybufbyte(&dmost[x1],&smost[smostcnt],i*sizeof(smost[0])); smostcnt += i; } } } if (numhits < 0) return; if ((!(wal->cstat&32)) && ((gotsector[nextsectnum>>3]&pow2char[nextsectnum&7]) == 0)) { if (umost[x2] < dmost[x2]) scansector(nextsectnum); else { for (x=x1; xcstat&32)) //White/1-way wall { setup_globals_wall1(wal, (nextsectnum < 0) ? wal->picnum : wal->overpicnum); setup_globals_wall2(wal, sec->visibility, (nextsectnum >= 0) ? nextsec->ceilingz : sec->ceilingz, (nextsectnum >= 0) ? sec->ceilingz : sec->floorz); if (gotswall == 0) { gotswall = 1; prepwall(z,wal); } wallscan(x1,x2,uplc,dplc,swall,lwall); #ifdef YAX_ENABLE // TODO: slopes? if (globalposz > sec->floorz && yax_isislandwall(wallnum, YAX_FLOOR)) { for (x=x1; x<=x2; x++) if (dplc[x] > umost[x] && umost[x] <= dmost[x]) { umost[x] = dplc[x]; if (umost[x] > dmost[x]) numhits--; } } else if (globalposz < sec->ceilingz && yax_isislandwall(wallnum, YAX_CEILING)) { for (x=x1; x<=x2; x++) if (uplc[x] < dmost[x] && umost[x] <= dmost[x]) { dmost[x] = uplc[x]; if (umost[x] > dmost[x]) numhits--; } } else #endif for (x=x1; x<=x2; x++) if (umost[x] <= dmost[x]) { umost[x] = 1; dmost[x] = 0; numhits--; } smostwall[smostwallcnt] = z; smostwalltype[smostwallcnt] = 0; smostwallcnt++; if ((searchit == 2) && (x1 <= searchx) && (searchx <= x2)) #ifdef YAX_ENABLE if (uplc[searchx] <= searchy && searchy < dplc[searchx]) #endif { searchit = 1; searchsector = sectnum; searchbottomwall = searchwall = wallnum; if (nextsectnum < 0) searchstat = 0; else searchstat = 4; } } #ifdef ENGINE_SCREENSHOT_DEBUG if (engine_screenshot) # ifdef YAX_ENABLE if (!g_nodraw) # endif { static char fn[32], tmpbuf[80]; static char bakframe[MAXXDIM*MAXYDIM]; char purple = getclosestcol(63, 0, 63); char yellow = getclosestcol(63, 63, 0); begindrawing(); //{{{ Bmemcpy(bakframe, (char *)frameplace, xdim*ydim); for (x=0; x dmost[x]) { *((char *)frameplace + (ydim/2)*bytesperline + x) = yellow; *((char *)frameplace + (ydim/2+1)*bytesperline + x) = purple; continue; } if (umost[x] >= 0 && umost[x] < ydim) *((char *)frameplace + umost[x]*bytesperline + x) = purple; if (dmost[x]-1 >= 0 && dmost[x]-1 < ydim) *((char *)frameplace + (dmost[x]-1)*bytesperline + x) = yellow; } Bsprintf(tmpbuf, "nmp%d l%d b%d s%d w%d", yax_nomaskpass, yax_globallev-YAX_MAXDRAWS, yax_globalbunch, sectnum, wallnum); printext256(8,8, whitecol,0, tmpbuf, 0); Bsprintf(fn, "engshot%04d.png", engine_screenshot); screencapture(fn, 0, "BUILD engine"); engine_screenshot++; Bmemcpy((char *)frameplace, bakframe, xdim*ydim); enddrawing(); //}}} } #endif } } // // drawvox // static void drawvox(int32_t dasprx, int32_t daspry, int32_t dasprz, int32_t dasprang, int32_t daxscale, int32_t dayscale, char daindex, int8_t dashade, char dapal, const int32_t *daumost, const int32_t *dadmost) { int32_t i, j, k, x, y, syoff, ggxstart, ggystart, nxoff; int32_t cosang, sinang, sprcosang, sprsinang, backx, backy, gxinc, gyinc; int32_t daxsiz, daysiz, /*dazsiz,*/ daxpivot, daypivot, dazpivot; int32_t daxscalerecip, dayscalerecip, cnt, gxstart, gystart, odayscale; int32_t l1, l2, /*slabxoffs,*/ xyvoxoffs, *longptr; intptr_t slabxoffs; int32_t lx, rx, nx, ny, x1=0, y1=0, z1, x2=0, y2=0, z2, yplc, yinc=0; int32_t yoff, xs=0, ys=0, xe, ye, xi=0, yi=0, cbackx, cbacky, dagxinc, dagyinc; int16_t *shortptr; char *voxptr, *voxend, *davoxptr, oand, oand16, oand32; cosang = sintable[(globalang+512)&2047]; sinang = sintable[globalang&2047]; sprcosang = sintable[(dasprang+512)&2047]; sprsinang = sintable[dasprang&2047]; i = klabs(dmulscale6(dasprx-globalposx,cosang,daspry-globalposy,sinang)); j = (int32_t)(getpalookup((int32_t)mulscale21(globvis,i),(int32_t)dashade)<<8); setupdrawslab(ylookup[1],FP_OFF(palookup[dapal])+j); j = 1310720; j *= min(daxscale,dayscale); j >>= 6; //New hacks (for sized-down voxels) for (k=0; k= MAXVOXMIPS) i = MAXVOXMIPS-1; if (novoxmips) i = 0; davoxptr = (char *)voxoff[daindex][i]; if (!davoxptr && i > 0) { davoxptr = (char *)voxoff[daindex][0]; i = 0; } if (!davoxptr) return; if (voxscale[daindex] == 65536) { daxscale <<= (i+8); dayscale <<= (i+8); } else { daxscale = mulscale8(daxscale<>8); backy = ((dmulscale10(y,sprcosang,x,-sprsinang)+daypivot)>>8); cbackx = min(max(backx,0),daxsiz-1); cbacky = min(max(backy,0),daysiz-1); sprcosang = mulscale14(daxscale,sprcosang); sprsinang = mulscale14(daxscale,sprsinang); x = (dasprx-globalposx) - dmulscale18(daxpivot,sprcosang,daypivot,-sprsinang); y = (daspry-globalposy) - dmulscale18(daypivot,sprcosang,daxpivot,sprsinang); cosang = mulscale16(cosang,dayscalerecip); sinang = mulscale16(sinang,dayscalerecip); gxstart = y*cosang - x*sinang; gystart = x*cosang + y*sinang; gxinc = dmulscale10(sprsinang,cosang,sprcosang,-sinang); gyinc = dmulscale10(sprcosang,cosang,sprsinang,sinang); x = 0; y = 0; j = max(daxsiz,daysiz); for (i=0; i<=j; i++) { ggxinc[i] = x; x += gxinc; ggyinc[i] = y; y += gyinc; } if ((klabs(globalposz-dasprz)>>10) >= klabs(odayscale)) return; syoff = divscale21(globalposz-dasprz,odayscale) + (dazpivot<<7); yoff = ((klabs(gxinc)+klabs(gyinc))>>1); longptr = (int32_t *)davoxptr; xyvoxoffs = ((daxsiz+1)<<2); begindrawing(); //{{{ for (cnt=0; cnt<8; cnt++) { switch (cnt) { case 0: xs = 0; ys = 0; xi = 1; yi = 1; break; case 1: xs = daxsiz-1; ys = 0; xi = -1; yi = 1; break; case 2: xs = 0; ys = daysiz-1; xi = 1; yi = -1; break; case 3: xs = daxsiz-1; ys = daysiz-1; xi = -1; yi = -1; break; case 4: xs = 0; ys = cbacky; xi = 1; yi = 2; break; case 5: xs = daxsiz-1; ys = cbacky; xi = -1; yi = 2; break; case 6: xs = cbackx; ys = 0; xi = 2; yi = 1; break; case 7: xs = cbackx; ys = daysiz-1; xi = 2; yi = -1; break; } xe = cbackx; ye = cbacky; if (cnt < 4) { if ((xi < 0) && (xe >= xs)) continue; if ((xi > 0) && (xe <= xs)) continue; if ((yi < 0) && (ye >= ys)) continue; if ((yi > 0) && (ye <= ys)) continue; } else { if ((xi < 0) && (xe > xs)) continue; if ((xi > 0) && (xe < xs)) continue; if ((yi < 0) && (ye > ys)) continue; if ((yi > 0) && (ye < ys)) continue; xe += xi; ye += yi; } i = ksgn(ys-backy)+ksgn(xs-backx)*3+4; switch (i) { case 6: case 7: x1 = 0; y1 = 0; break; case 8: case 5: x1 = gxinc; y1 = gyinc; break; case 0: case 3: x1 = gyinc; y1 = -gxinc; break; case 2: case 1: x1 = gxinc+gyinc; y1 = gyinc-gxinc; break; } switch (i) { case 2: case 5: x2 = 0; y2 = 0; break; case 0: case 1: x2 = gxinc; y2 = gyinc; break; case 8: case 7: x2 = gyinc; y2 = -gxinc; break; case 6: case 3: x2 = gxinc+gyinc; y2 = gyinc-gxinc; break; } oand = pow2char[(xs 0) { dagxinc = gxinc; dagyinc = mulscale16(gyinc,viewingrangerecip); } else { dagxinc = -gxinc; dagyinc = -mulscale16(gyinc,viewingrangerecip); } //Fix for non 90 degree viewing ranges nxoff = mulscale16(x2-x1,viewingrangerecip); x1 = mulscale16(x1,viewingrangerecip); ggxstart = gxstart+ggyinc[ys]; ggystart = gystart-ggxinc[ys]; for (x=xs; x!=xe; x+=xi) { slabxoffs = (intptr_t)&davoxptr[B_LITTLE32(longptr[x])]; shortptr = (int16_t *)&davoxptr[((x*(daysiz+1))<<1)+xyvoxoffs]; nx = mulscale16(ggxstart+ggxinc[x],viewingrangerecip)+x1; ny = ggystart+ggyinc[x]; for (y=ys; y!=ye; y+=yi,nx+=dagyinc,ny-=dagxinc) { if ((ny <= nytooclose) || (ny >= nytoofar)) continue; voxptr = (char *)(B_LITTLE16(shortptr[y])+slabxoffs); voxend = (char *)(B_LITTLE16(shortptr[y+1])+slabxoffs); if (voxptr == voxend) continue; // AMCTC V1 MEGABASE: (ny+y1)>>14 == 65547 // (after long corridor with the blinds) lx = mulscale32(nx>>3,distrecip[(ny+y1)>>14])+halfxdimen; if (lx < 0) lx = 0; rx = mulscale32((nx+nxoff)>>3,distrecip[(ny+y2)>>14])+halfxdimen; if (rx > xdimen) rx = xdimen; if (rx <= lx) continue; rx -= lx; l1 = distrecip[(ny-yoff)>>14]; // FIXME! AMCTC RC2/beta shotgun voxel // (e.g. training map right after M16 shooting): l2 = clamp((ny+yoff)>>14, 0, 65535); l2 = distrecip[l2]; for (; voxptr= 1024) yinc = divscale16(voxptr[1],z2-z1); else if (z2 > z1) yinc = (lowrecip[z2-z1]*voxptr[1]>>8); if (z1 < daumost[lx]) { yplc = yinc*(daumost[lx]-z1); z1 = daumost[lx]; } else yplc = 0; } if (z2 > dadmost[lx]) z2 = dadmost[lx]; z2 -= z1; if (z2 <= 0) continue; drawslab(rx,yplc,z2,yinc,(intptr_t)&voxptr[3],ylookup[z1]+lx+frameoffset); } } } } #if 0 for (x=0; x=0 && daumost[x]=0 && dadmost[x]picnum; spritenum = tspr->owner; cstat = tspr->cstat; if (tilenum < 0 || tilenum >= MAXTILES) return; if ((cstat&48)==48) vtilenum = tilenum; // if the game wants voxels, it gets voxels else if ((cstat&48)!=48 && (usevoxels) && (tiletovox[tilenum] != -1) #ifdef USE_OPENGL && (!(spriteext[tspr->owner].flags&SPREXT_NOTMD)) #endif ) { vtilenum = tiletovox[tilenum]; cstat |= 48; } if ((cstat&48) != 48) { if (picanm[tilenum]&192) tilenum += animateoffs(tilenum,spritenum+32768); if ((tilesizx[tilenum] <= 0) || (tilesizy[tilenum] <= 0) || (spritenum < 0)) return; } if ((tspr->xrepeat <= 0) || (tspr->yrepeat <= 0)) return; sectnum = tspr->sectnum; sec = §or[sectnum]; globalpal = tspr->pal; if (palookup[globalpal] == NULL) globalpal = 0; // JBF: fixes null-pointer crash globalshade = tspr->shade; if (cstat&2) { if (cstat&512) settransreverse(); else settransnormal(); } xoff = (int32_t)((int8_t)((picanm[tilenum]>>8)&255))+((int32_t)tspr->xoffset); yoff = (int32_t)((int8_t)((picanm[tilenum]>>16)&255))+((int32_t)tspr->yoffset); if ((cstat&48) == 0) { if (yp <= (4<<8)) return; siz = divscale19(xdimenscale,yp); xv = mulscale16(((int32_t)tspr->xrepeat)<<16,xyaspect); xspan = tilesizx[tilenum]; yspan = tilesizy[tilenum]; xsiz = mulscale30(siz,xv*xspan); ysiz = mulscale14(siz,tspr->yrepeat*yspan); if (((tilesizx[tilenum]>>11) >= xsiz) || (yspan >= (ysiz>>1))) return; //Watch out for divscale overflow x1 = xb-(xsiz>>1); if (xspan&1) x1 += mulscale31(siz,xv); //Odd xspans i = mulscale30(siz,xv*xoff); if ((cstat&4) == 0) x1 -= i; else x1 += i; y1 = mulscale16(tspr->z-globalposz,siz); y1 -= mulscale14(siz,tspr->yrepeat*yoff); y1 += (globalhoriz<<8)-ysiz; if (cstat&128) { y1 += (ysiz>>1); if (yspan&1) y1 += mulscale15(siz,tspr->yrepeat); //Odd yspans } x2 = x1+xsiz-1; y2 = y1+ysiz-1; if ((y1|255) >= (y2|255)) return; lx = (x1>>8)+1; if (lx < 0) lx = 0; rx = (x2>>8); if (rx >= xdimen) rx = xdimen-1; if (lx > rx) return; yinc = divscale32(yspan,ysiz); if ((sec->ceilingstat&3) == 0) startum = globalhoriz+mulscale24(siz,sec->ceilingz-globalposz)-1; else startum = 0; if ((sec->floorstat&3) == 0) startdm = globalhoriz+mulscale24(siz,sec->floorz-globalposz)+1; else startdm = INT32_MAX; if ((y1>>8) > startum) startum = (y1>>8); if ((y2>>8) < startdm) startdm = (y2>>8); if (startum < -32768) startum = -32768; if (startdm > 32767) startdm = 32767; if (startum >= startdm) return; if ((cstat&4) == 0) { linuminc = divscale24(xspan,xsiz); linum = mulscale8((lx<<8)-x1,linuminc); } else { linuminc = -divscale24(xspan,xsiz); linum = mulscale8((lx<<8)-x2,linuminc); } if ((cstat&8) > 0) { yinc = -yinc; i = y1; y1 = y2; y2 = i; } for (x=lx; x<=rx; x++) { uwall[x] = max(startumost[x+windowx1]-windowy1,(int16_t)startum); dwall[x] = min(startdmost[x+windowx1]-windowy1,(int16_t)startdm); } daclip = 0; for (i=smostwallcnt-1; i>=0; i--) { if (smostwalltype[i]&daclip) continue; j = smostwall[i]; if ((xb1[j] > rx) || (xb2[j] < lx)) continue; if ((yp <= yb1[j]) && (yp <= yb2[j])) continue; if (spritewallfront(tspr,(int32_t)thewall[j]) && ((yp <= yb1[j]) || (yp <= yb2[j]))) continue; dalx2 = max(xb1[j],lx); darx2 = min(xb2[j],rx); switch (smostwalltype[i]) { case 0: if (dalx2 <= darx2) { if ((dalx2 == lx) && (darx2 == rx)) return; //clearbufbyte(&dwall[dalx2],(darx2-dalx2+1)*sizeof(dwall[0]),0L); for (k=dalx2; k<=darx2; k++) dwall[k] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for (x=dalx2; x<=darx2; x++) if (smost[k+x] > uwall[x]) uwall[x] = smost[k+x]; if ((dalx2 == lx) && (darx2 == rx)) daclip |= 1; break; case 2: k = smoststart[i] - xb1[j]; for (x=dalx2; x<=darx2; x++) if (smost[k+x] < dwall[x]) dwall[x] = smost[k+x]; if ((dalx2 == lx) && (darx2 == rx)) daclip |= 2; break; } } if (uwall[rx] >= dwall[rx]) { for (x=lx; x= 1) && (searchx >= lx) && (searchx <= rx)) if ((searchy >= uwall[searchx]) && (searchy < dwall[searchx])) { searchsector = sectnum; searchwall = spritenum; searchstat = 3; searchit = 1; } z2 = tspr->z - ((yoff*tspr->yrepeat)<<2); if (cstat&128) { z2 += ((yspan*tspr->yrepeat)<<1); if (yspan&1) z2 += (tspr->yrepeat<<1); //Odd yspans } z1 = z2 - ((yspan*tspr->yrepeat)<<2); globalorientation = 0; globalpicnum = tilenum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = 0L; globalypanning = 0L; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = divscale(512,tspr->yrepeat,globalshiftval-19); globalzd = (((globalposz-z1)*globalyscale)<<8); if ((cstat&8) > 0) { globalyscale = -globalyscale; globalzd = (((globalposz-z2)*globalyscale)<<8); } qinterpolatedown16((intptr_t)&lwall[lx],rx-lx+1,linum,linuminc); clearbuf(&swall[lx],rx-lx+1,mulscale19(yp,xdimscale)); if ((cstat&2) == 0) maskwallscan(lx,rx,uwall,dwall,swall,lwall); else transmaskwallscan(lx,rx); } else if ((cstat&48) == 16) { if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; xspan = tilesizx[tilenum]; yspan = tilesizy[tilenum]; xv = tspr->xrepeat*sintable[(tspr->ang+2560+1536)&2047]; yv = tspr->xrepeat*sintable[(tspr->ang+2048+1536)&2047]; i = (xspan>>1)+xoff; x1 = tspr->x-globalposx-mulscale16(xv,i); x2 = x1+mulscale16(xv,xspan); y1 = tspr->y-globalposy-mulscale16(yv,i); y2 = y1+mulscale16(yv,xspan); yp1 = dmulscale6(x1,cosviewingrangeglobalang,y1,sinviewingrangeglobalang); yp2 = dmulscale6(x2,cosviewingrangeglobalang,y2,sinviewingrangeglobalang); if ((yp1 <= 0) && (yp2 <= 0)) return; xp1 = dmulscale6(y1,cosglobalang,-x1,singlobalang); xp2 = dmulscale6(y2,cosglobalang,-x2,singlobalang); x1 += globalposx; y1 += globalposy; x2 += globalposx; y2 += globalposy; swapped = 0; if (dmulscale32(xp1,yp2,-xp2,yp1) >= 0) //If wall's NOT facing you { if ((cstat&64) != 0) return; i = xp1, xp1 = xp2, xp2 = i; i = yp1, yp1 = yp2, yp2 = i; i = x1, x1 = x2, x2 = i; i = y1, y1 = y2, y2 = i; swapped = 1; } if (xp1 >= -yp1) { if (xp1 > yp1) return; if (yp1 == 0) return; xb1[MAXWALLSB-1] = halfxdimen + scale(xp1,halfxdimen,yp1); if (xp1 >= 0) xb1[MAXWALLSB-1]++; //Fix for SIGNED divide if (xb1[MAXWALLSB-1] >= xdimen) xb1[MAXWALLSB-1] = xdimen-1; yb1[MAXWALLSB-1] = yp1; } else { if (xp2 < -yp2) return; xb1[MAXWALLSB-1] = 0; i = yp1-yp2+xp1-xp2; if (i == 0) return; yb1[MAXWALLSB-1] = yp1 + scale(yp2-yp1,xp1+yp1,i); } if (xp2 <= yp2) { if (xp2 < -yp2) return; if (yp2 == 0) return; xb2[MAXWALLSB-1] = halfxdimen + scale(xp2,halfxdimen,yp2) - 1; if (xp2 >= 0) xb2[MAXWALLSB-1]++; //Fix for SIGNED divide if (xb2[MAXWALLSB-1] >= xdimen) xb2[MAXWALLSB-1] = xdimen-1; yb2[MAXWALLSB-1] = yp2; } else { if (xp1 > yp1) return; xb2[MAXWALLSB-1] = xdimen-1; i = xp2-xp1+yp1-yp2; if (i == 0) return; yb2[MAXWALLSB-1] = yp1 + scale(yp2-yp1,yp1-xp1,i); } if ((yb1[MAXWALLSB-1] < 256) || (yb2[MAXWALLSB-1] < 256) || (xb1[MAXWALLSB-1] > xb2[MAXWALLSB-1])) return; topinc = -mulscale10(yp1,xspan); top = (((mulscale10(xp1,xdimen) - mulscale9(xb1[MAXWALLSB-1]-halfxdimen,yp1))*xspan)>>3); botinc = ((yp2-yp1)>>8); bot = mulscale11(xp1-xp2,xdimen) + mulscale2(xb1[MAXWALLSB-1]-halfxdimen,botinc); j = xb2[MAXWALLSB-1]+3; z = mulscale20(top,krecipasm(bot)); lwall[xb1[MAXWALLSB-1]] = (z>>8); for (x=xb1[MAXWALLSB-1]+4; x<=j; x+=4) { top += topinc; bot += botinc; zz = z; z = mulscale20(top,krecipasm(bot)); lwall[x] = (z>>8); i = ((z+zz)>>1); lwall[x-2] = (i>>8); lwall[x-3] = ((i+zz)>>9); lwall[x-1] = ((i+z)>>9); } if (lwall[xb1[MAXWALLSB-1]] < 0) lwall[xb1[MAXWALLSB-1]] = 0; if (lwall[xb2[MAXWALLSB-1]] >= xspan) lwall[xb2[MAXWALLSB-1]] = xspan-1; if ((swapped^((cstat&4)>0)) > 0) { j = xspan-1; for (x=xb1[MAXWALLSB-1]; x<=xb2[MAXWALLSB-1]; x++) lwall[x] = j-lwall[x]; } rx1[MAXWALLSB-1] = xp1; ry1[MAXWALLSB-1] = yp1; rx2[MAXWALLSB-1] = xp2; ry2[MAXWALLSB-1] = yp2; hplc = divscale19(xdimenscale,yb1[MAXWALLSB-1]); hinc = divscale19(xdimenscale,yb2[MAXWALLSB-1]); hinc = (hinc-hplc)/(xb2[MAXWALLSB-1]-xb1[MAXWALLSB-1]+1); z2 = tspr->z - ((yoff*tspr->yrepeat)<<2); if (cstat&128) { z2 += ((yspan*tspr->yrepeat)<<1); if (yspan&1) z2 += (tspr->yrepeat<<1); //Odd yspans } z1 = z2 - ((yspan*tspr->yrepeat)<<2); globalorientation = 0; globalpicnum = tilenum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = 0L; globalypanning = 0L; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = divscale(512,tspr->yrepeat,globalshiftval-19); globalzd = (((globalposz-z1)*globalyscale)<<8); if ((cstat&8) > 0) { globalyscale = -globalyscale; globalzd = (((globalposz-z2)*globalyscale)<<8); } if (((sec->ceilingstat&1) == 0) && (z1 < sec->ceilingz)) z1 = sec->ceilingz; if (((sec->floorstat&1) == 0) && (z2 > sec->floorz)) z2 = sec->floorz; owallmost(uwall,(int32_t)(MAXWALLSB-1),z1-globalposz); owallmost(dwall,(int32_t)(MAXWALLSB-1),z2-globalposz); for (i=xb1[MAXWALLSB-1]; i<=xb2[MAXWALLSB-1]; i++) { swall[i] = (krecipasm(hplc)<<2); hplc += hinc; } for (i=smostwallcnt-1; i>=0; i--) { j = smostwall[i]; if ((xb1[j] > xb2[MAXWALLSB-1]) || (xb2[j] < xb1[MAXWALLSB-1])) continue; dalx2 = xb1[j]; darx2 = xb2[j]; if (max(yb1[MAXWALLSB-1],yb2[MAXWALLSB-1]) > min(yb1[j],yb2[j])) { if (min(yb1[MAXWALLSB-1],yb2[MAXWALLSB-1]) > max(yb1[j],yb2[j])) { x = INT32_MIN; } else { x = thewall[j]; xp1 = wall[x].x; yp1 = wall[x].y; x = wall[x].point2; xp2 = wall[x].x; yp2 = wall[x].y; z1 = (xp2-xp1)*(y1-yp1) - (yp2-yp1)*(x1-xp1); z2 = (xp2-xp1)*(y2-yp1) - (yp2-yp1)*(x2-xp1); if ((z1^z2) >= 0) x = (z1+z2); else { z1 = (x2-x1)*(yp1-y1) - (y2-y1)*(xp1-x1); z2 = (x2-x1)*(yp2-y1) - (y2-y1)*(xp2-x1); if ((z1^z2) >= 0) x = -(z1+z2); else { if ((xp2-xp1)*(tspr->y-yp1) == (tspr->x-xp1)*(yp2-yp1)) { if (wall[thewall[j]].nextsector == tspr->sectnum) x = INT32_MIN; else x = INT32_MAX; } else { //INTERSECTION! x = (xp1-globalposx) + scale(xp2-xp1,z1,z1-z2); y = (yp1-globalposy) + scale(yp2-yp1,z1,z1-z2); yp1 = dmulscale14(x,cosviewingrangeglobalang,y,sinviewingrangeglobalang); if (yp1 > 0) { xp1 = dmulscale14(y,cosglobalang,-x,singlobalang); x = halfxdimen + scale(xp1,halfxdimen,yp1); if (xp1 >= 0) x++; //Fix for SIGNED divide if (z1 < 0) { if (dalx2 < x) dalx2 = x; } else { if (darx2 > x) darx2 = x; } x = INT32_MIN+1; } else x = INT32_MAX; } } } } if (x < 0) { if (dalx2 < xb1[MAXWALLSB-1]) dalx2 = xb1[MAXWALLSB-1]; if (darx2 > xb2[MAXWALLSB-1]) darx2 = xb2[MAXWALLSB-1]; switch (smostwalltype[i]) { case 0: if (dalx2 <= darx2) { if ((dalx2 == xb1[MAXWALLSB-1]) && (darx2 == xb2[MAXWALLSB-1])) return; //clearbufbyte(&dwall[dalx2],(darx2-dalx2+1)*sizeof(dwall[0]),0L); for (k=dalx2; k<=darx2; k++) dwall[k] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for (x=dalx2; x<=darx2; x++) if (smost[k+x] > uwall[x]) uwall[x] = smost[k+x]; break; case 2: k = smoststart[i] - xb1[j]; for (x=dalx2; x<=darx2; x++) if (smost[k+x] < dwall[x]) dwall[x] = smost[k+x]; break; } } } } //sprite #ifdef YAX_ENABLE if (yax_globallev==YAX_MAXDRAWS || searchit==2) #endif if ((searchit >= 1) && (searchx >= xb1[MAXWALLSB-1]) && (searchx <= xb2[MAXWALLSB-1])) if ((searchy >= uwall[searchx]) && (searchy <= dwall[searchx])) { searchsector = sectnum; searchwall = spritenum; searchstat = 3; searchit = 1; } if ((cstat&2) == 0) { maskwallscan(xb1[MAXWALLSB-1],xb2[MAXWALLSB-1],uwall,dwall,swall,lwall); } else { transmaskwallscan(xb1[MAXWALLSB-1],xb2[MAXWALLSB-1]); } } else if ((cstat&48) == 32) { if ((cstat&64) != 0) if ((globalposz > tspr->z) == ((cstat&8)==0)) return; if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; xspan = tilesizx[tilenum]; yspan = tilesizy[tilenum]; //Rotate center point dax = tspr->x-globalposx; day = tspr->y-globalposy; rzi[0] = dmulscale10(cosglobalang,dax,singlobalang,day); rxi[0] = dmulscale10(cosglobalang,day,-singlobalang,dax); //Get top-left corner i = ((tspr->ang+2048-globalang)&2047); cosang = sintable[(i+512)&2047]; sinang = sintable[i]; dax = ((xspan>>1)+xoff)*tspr->xrepeat; day = ((yspan>>1)+yoff)*tspr->yrepeat; rzi[0] += dmulscale12(sinang,dax,cosang,day); rxi[0] += dmulscale12(sinang,day,-cosang,dax); //Get other 3 corners dax = xspan*tspr->xrepeat; day = yspan*tspr->yrepeat; rzi[1] = rzi[0]-mulscale12(sinang,dax); rxi[1] = rxi[0]+mulscale12(cosang,dax); dax = -mulscale12(cosang,day); day = -mulscale12(sinang,day); rzi[2] = rzi[1]+dax; rxi[2] = rxi[1]+day; rzi[3] = rzi[0]+dax; rxi[3] = rxi[0]+day; //Put all points on same z ryi[0] = scale((tspr->z-globalposz),yxaspect,320<<8); if (ryi[0] == 0) return; ryi[1] = ryi[2] = ryi[3] = ryi[0]; if ((cstat&4) == 0) { z = 0; z1 = 1; z2 = 3; } else { z = 1; z1 = 0; z2 = 2; } dax = rzi[z1]-rzi[z]; day = rxi[z1]-rxi[z]; bot = dmulscale8(dax,dax,day,day); if (((klabs(dax)>>13) >= bot) || ((klabs(day)>>13) >= bot)) return; globalx1 = divscale18(dax,bot); globalx2 = divscale18(day,bot); dax = rzi[z2]-rzi[z]; day = rxi[z2]-rxi[z]; bot = dmulscale8(dax,dax,day,day); if (((klabs(dax)>>13) >= bot) || ((klabs(day)>>13) >= bot)) return; globaly1 = divscale18(dax,bot); globaly2 = divscale18(day,bot); //Calculate globals for hline texture mapping function globalxpanning = (rxi[z]<<12); globalypanning = (rzi[z]<<12); globalzd = (ryi[z]<<12); rzi[0] = mulscale16(rzi[0],viewingrange); rzi[1] = mulscale16(rzi[1],viewingrange); rzi[2] = mulscale16(rzi[2],viewingrange); rzi[3] = mulscale16(rzi[3],viewingrange); if (ryi[0] < 0) //If ceilsprite is above you, reverse order of points { i = rxi[1]; rxi[1] = rxi[3]; rxi[3] = i; i = rzi[1]; rzi[1] = rzi[3]; rzi[3] = i; } //Clip polygon in 3-space npoints = 4; //Clip edge 1 npoints2 = 0; zzsgn = rxi[0]+rzi[0]; for (z=0; z= 0) { rxi2[npoints2] = rxi[z]; ryi2[npoints2] = ryi[z]; rzi2[npoints2] = rzi[z]; npoints2++; } if ((zsgn^zzsgn) < 0) { t = divscale30(zsgn,zsgn-zzsgn); rxi2[npoints2] = rxi[z] + mulscale30(t,rxi[zz]-rxi[z]); ryi2[npoints2] = ryi[z] + mulscale30(t,ryi[zz]-ryi[z]); rzi2[npoints2] = rzi[z] + mulscale30(t,rzi[zz]-rzi[z]); npoints2++; } } if (npoints2 <= 2) return; //Clip edge 2 npoints = 0; zzsgn = rxi2[0]-rzi2[0]; for (z=0; z= 0) { rxi2[npoints2] = rxi[z]; ryi2[npoints2] = ryi[z]; rzi2[npoints2] = rzi[z]; npoints2++; } if ((zsgn^zzsgn) < 0) { t = divscale30(zsgn,zsgn-zzsgn); rxi2[npoints2] = rxi[z] + mulscale30(t,rxi[zz]-rxi[z]); ryi2[npoints2] = ryi[z] + mulscale30(t,ryi[zz]-ryi[z]); rzi2[npoints2] = rzi[z] + mulscale30(t,rzi[zz]-rzi[z]); npoints2++; } } if (npoints2 <= 2) return; //Clip edge 4 npoints = 0; zzsgn = ryi2[0]*halfxdimen + (rzi2[0]*(globalhoriz-ydimen)); for (z=0; z (xdimen<<16)) xsi[z] = (xdimen<<16); if (ysi[z] < ((int32_t)0<<16)) ysi[z] = ((int32_t)0<<16); if (ysi[z] > ((int32_t)ydimen<<16)) ysi[z] = ((int32_t)ydimen<<16); if (xsi[z] < lmax) lmax = xsi[z], lpoint = z; if (xsi[z] > rmax) rmax = xsi[z], rpoint = z; } //Get uwall arrays for (z=lpoint; z!=rpoint; z=zz) { zz = z+1; if (zz == npoints) zz = 0; dax1 = ((xsi[z]+65535)>>16); dax2 = ((xsi[zz]+65535)>>16); if (dax2 > dax1) { yinc = divscale16(ysi[zz]-ysi[z],xsi[zz]-xsi[z]); y = ysi[z] + mulscale16((dax1<<16)-xsi[z],yinc); qinterpolatedown16short((intptr_t)(&uwall[dax1]),dax2-dax1,y,yinc); } } //Get dwall arrays for (; z!=lpoint; z=zz) { zz = z+1; if (zz == npoints) zz = 0; dax1 = ((xsi[zz]+65535)>>16); dax2 = ((xsi[z]+65535)>>16); if (dax2 > dax1) { yinc = divscale16(ysi[zz]-ysi[z],xsi[zz]-xsi[z]); y = ysi[zz] + mulscale16((dax1<<16)-xsi[zz],yinc); qinterpolatedown16short((intptr_t)(&dwall[dax1]),dax2-dax1,y,yinc); } } lx = ((lmax+65535)>>16); rx = ((rmax+65535)>>16); for (x=lx; x<=rx; x++) { uwall[x] = max(uwall[x],startumost[x+windowx1]-windowy1); dwall[x] = min(dwall[x],startdmost[x+windowx1]-windowy1); } //Additional uwall/dwall clipping goes here for (i=smostwallcnt-1; i>=0; i--) { j = smostwall[i]; if ((xb1[j] > rx) || (xb2[j] < lx)) continue; if ((yp <= yb1[j]) && (yp <= yb2[j])) continue; //if (spritewallfront(tspr,thewall[j]) == 0) x = thewall[j]; xp1 = wall[x].x; yp1 = wall[x].y; x = wall[x].point2; xp2 = wall[x].x; yp2 = wall[x].y; x = (xp2-xp1)*(tspr->y-yp1)-(tspr->x-xp1)*(yp2-yp1); if ((yp > yb1[j]) && (yp > yb2[j])) x = -1; if ((x >= 0) && ((x != 0) || (wall[thewall[j]].nextsector != tspr->sectnum))) continue; dalx2 = max(xb1[j],lx); darx2 = min(xb2[j],rx); switch (smostwalltype[i]) { case 0: if (dalx2 <= darx2) { if ((dalx2 == lx) && (darx2 == rx)) return; //clearbufbyte(&dwall[dalx2],(darx2-dalx2+1)*sizeof(dwall[0]),0L); for (x=dalx2; x<=darx2; x++) dwall[x] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for (x=dalx2; x<=darx2; x++) if (smost[k+x] > uwall[x]) uwall[x] = smost[k+x]; break; case 2: k = smoststart[i] - xb1[j]; for (x=dalx2; x<=darx2; x++) if (smost[k+x] < dwall[x]) dwall[x] = smost[k+x]; break; } } //sprite #ifdef YAX_ENABLE if (yax_globallev==YAX_MAXDRAWS || searchit==2) #endif if ((searchit >= 1) && (searchx >= lx) && (searchx <= rx)) if ((searchy >= uwall[searchx]) && (searchy <= dwall[searchx])) { searchsector = sectnum; searchwall = spritenum; searchstat = 3; searchit = 1; } globalorientation = cstat; globalpicnum = tilenum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; //if (picanm[globalpicnum]&192) globalpicnum += animateoffs((short)globalpicnum,spritenum+32768); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); setgotpic(globalpicnum); globalbufplc = waloff[globalpicnum]; globvis = mulscale16(globalhisibility,viewingrange); if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); x = picsiz[globalpicnum]; y = ((x>>4)&15); x &= 15; #if 0 if (pow2long[x] != xspan) { x++; globalx1 = mulscale(globalx1,xspan,x); globalx2 = mulscale(globalx2,xspan,x); } #endif dax = globalxpanning; day = globalypanning; globalxpanning = -dmulscale6(globalx1,day,globalx2,dax); globalypanning = -dmulscale6(globaly1,day,globaly2,dax); globalx2 = mulscale16(globalx2,viewingrange); globaly2 = mulscale16(globaly2,viewingrange); globalzd = mulscale16(globalzd,viewingrangerecip); globalx1 = (globalx1-globalx2)*halfxdimen; globaly1 = (globaly1-globaly2)*halfxdimen; if ((cstat&2) == 0) msethlineshift(x,y); else tsethlineshift(x,y); globalispow2 = (pow2long[x]==xspan && pow2long[y]==yspan); globalxspan = xspan; globalyspan = yspan; //Draw it! ceilspritescan(lx,rx-1); globalispow2 = 1; } else if ((cstat&48) == 48) { int32_t nxrepeat, nyrepeat, daxrepeat; daxrepeat = (int32_t)tspr->xrepeat; if ((sprite[spritenum].cstat&48)==16) daxrepeat = (daxrepeat*5)/4; lx = 0; rx = xdim-1; for (x=lx; x<=rx; x++) { lwall[x] = (int32_t)startumost[x+windowx1]-windowy1; swall[x] = (int32_t)startdmost[x+windowx1]-windowy1; } for (i=smostwallcnt-1; i>=0; i--) { j = smostwall[i]; if ((xb1[j] > rx) || (xb2[j] < lx)) continue; if ((yp <= yb1[j]) && (yp <= yb2[j])) continue; if (spritewallfront(tspr,(int32_t)thewall[j]) && ((yp <= yb1[j]) || (yp <= yb2[j]))) continue; dalx2 = max(xb1[j],lx); darx2 = min(xb2[j],rx); switch (smostwalltype[i]) { case 0: if (dalx2 <= darx2) { if ((dalx2 == lx) && (darx2 == rx)) return; //clearbufbyte(&swall[dalx2],(darx2-dalx2+1)*sizeof(swall[0]),0L); for (x=dalx2; x<=darx2; x++) swall[x] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for (x=dalx2; x<=darx2; x++) if (smost[k+x] > lwall[x]) lwall[x] = smost[k+x]; break; case 2: k = smoststart[i] - xb1[j]; for (x=dalx2; x<=darx2; x++) if (smost[k+x] < swall[x]) swall[x] = smost[k+x]; break; } } if (lwall[rx] >= swall[rx]) { for (x=lx; xyrepeat)<<16); } else { nxrepeat = daxrepeat*voxscale[vtilenum]; nyrepeat = ((int32_t)tspr->yrepeat)*voxscale[vtilenum]; } if (!(cstat&128)) tspr->z -= mulscale22(B_LITTLE32(longptr[5]),nyrepeat); yoff = /*(int32_t) ((int8_t)((picanm[sprite[tspr->owner].picnum]>>16)&255)) +*/ (int32_t)tspr->yoffset; tspr->z -= mulscale14(yoff,nyrepeat); globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); #ifdef YAX_ENABLE if (yax_globallev==YAX_MAXDRAWS || searchit==2) #endif if ((searchit >= 1) && (yp > (4<<8)) && (searchy >= lwall[searchx]) && (searchy < swall[searchx])) { siz = divscale19(xdimenscale,yp); xv = mulscale16(nxrepeat,xyaspect); xspan = ((B_LITTLE32(longptr[0])+B_LITTLE32(longptr[1]))>>1); yspan = B_LITTLE32(longptr[2]); xsiz = mulscale30(siz,xv*xspan); ysiz = mulscale30(siz,nyrepeat*yspan); //Watch out for divscale overflow if (((xspan>>11) < xsiz) && (yspan < (ysiz>>1))) { x1 = xb-(xsiz>>1); if (xspan&1) x1 += mulscale31(siz,xv); //Odd xspans i = mulscale30(siz,xv*xoff); if ((cstat&4) == 0) x1 -= i; else x1 += i; y1 = mulscale16(tspr->z-globalposz,siz); //y1 -= mulscale30(siz,nyrepeat*yoff); y1 += (globalhoriz<<8)-ysiz; //if (cstat&128) //Already fixed up above y1 += (ysiz>>1); x2 = x1+xsiz-1; y2 = y1+ysiz-1; if (((y1|255) < (y2|255)) && (searchx >= (x1>>8)+1) && (searchx <= (x2>>8))) { if ((sec->ceilingstat&3) == 0) startum = globalhoriz+mulscale24(siz,sec->ceilingz-globalposz)-1; else startum = 0; if ((sec->floorstat&3) == 0) startdm = globalhoriz+mulscale24(siz,sec->floorz-globalposz)+1; else startdm = INT32_MAX; //sprite if ((searchy >= max(startum,(y1>>8))) && (searchy < min(startdm,(y2>>8)))) { searchsector = sectnum; searchwall = spritenum; searchstat = 3; searchit = 1; } } } } i = (int32_t)tspr->ang+1536; #ifdef USE_OPENGL i += spriteext[tspr->owner].angoff; #endif drawvox(tspr->x,tspr->y,tspr->z,i,daxrepeat,(int32_t)tspr->yrepeat,vtilenum,tspr->shade,tspr->pal,lwall,swall); } // if (automapping == 1) show2dsprite[spritenum>>3] |= pow2char[spritenum&7]; } // // drawmaskwall (internal) // static void drawmaskwall(int16_t damaskwallcnt) { int32_t i, j, k, x, z, sectnum, z1, z2, lx, rx; sectortype *sec, *nsec; walltype *wal; //============================================================================= //POLYMOST BEGINS #ifdef USE_OPENGL if (rendmode == 3) { polymost_drawmaskwall(damaskwallcnt); return; } # ifdef POLYMER if (rendmode == 4) { bglEnable(GL_ALPHA_TEST); bglEnable(GL_BLEND); polymer_drawmaskwall(damaskwallcnt); bglDisable(GL_BLEND); bglDisable(GL_ALPHA_TEST); return; } #endif #endif //============================================================================= //POLYMOST ENDS z = maskwall[damaskwallcnt]; wal = &wall[thewall[z]]; sectnum = thesector[z]; sec = §or[sectnum]; nsec = §or[wal->nextsector]; z1 = max(nsec->ceilingz,sec->ceilingz); z2 = min(nsec->floorz,sec->floorz); wallmost(uwall,z,sectnum,(uint8_t)0); wallmost(uplc,z,(int32_t)wal->nextsector,(uint8_t)0); for (x=xb1[z]; x<=xb2[z]; x++) if (uplc[x] > uwall[x]) uwall[x] = uplc[x]; wallmost(dwall,z,sectnum,(uint8_t)1); wallmost(dplc,z,(int32_t)wal->nextsector,(uint8_t)1); for (x=xb1[z]; x<=xb2[z]; x++) if (dplc[x] < dwall[x]) dwall[x] = dplc[x]; prepwall(z,wal); setup_globals_wall1(wal, wal->overpicnum); setup_globals_wall2(wal, sec->visibility, z1, z2); for (i=smostwallcnt-1; i>=0; i--) { j = smostwall[i]; if ((xb1[j] > xb2[z]) || (xb2[j] < xb1[z])) continue; if (wallfront(j,z)) continue; lx = max(xb1[j],xb1[z]); rx = min(xb2[j],xb2[z]); switch (smostwalltype[i]) { case 0: if (lx <= rx) { if ((lx == xb1[z]) && (rx == xb2[z])) return; //clearbufbyte(&dwall[lx],(rx-lx+1)*sizeof(dwall[0]),0L); for (x=lx; x<=rx; x++) dwall[x] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for (x=lx; x<=rx; x++) if (smost[k+x] > uwall[x]) uwall[x] = smost[k+x]; break; case 2: k = smoststart[i] - xb1[j]; for (x=lx; x<=rx; x++) if (smost[k+x] < dwall[x]) dwall[x] = smost[k+x]; break; } } //maskwall if ((searchit >= 1) && (searchx >= xb1[z]) && (searchx <= xb2[z])) if ((searchy >= uwall[searchx]) && (searchy <= dwall[searchx])) { searchsector = sectnum; searchwall = thewall[z]; searchstat = 4; searchit = 1; } if ((globalorientation&128) == 0) maskwallscan(xb1[z],xb2[z],uwall,dwall,swall,lwall); else { if (globalorientation&128) { if (globalorientation&512) settransreverse(); else settransnormal(); } transmaskwallscan(xb1[z],xb2[z]); } } // // fillpolygon (internal) // static void fillpolygon(int32_t npoints) { int32_t z, zz, x1, y1, x2, y2, miny, maxy, y, xinc, cnt; int32_t ox, oy, bx, by, day1, day2; int16_t *ptr, *ptr2; intptr_t p; // fix for bad next-point (xb1) values... for (z=0; z= (unsigned)npoints) xb1[z] = 0; #ifdef USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { polymost_fillpolygon(npoints); return; } #endif miny = INT32_MAX; maxy = INT32_MIN; for (z=npoints-1; z>=0; z--) { y = ry1[z]; miny = min(miny,y); maxy = max(maxy,y); } miny = (miny>>12); maxy = (maxy>>12); if (miny < 0) miny = 0; if (maxy >= ydim) maxy = ydim-1; ptr = smost; //They're pointers! - watch how you optimize this thing for (y=miny; y<=maxy; y++) { dotp1[y] = ptr; dotp2[y] = ptr+(MAXNODESPERLINE>>1); ptr += MAXNODESPERLINE; } for (z=npoints-1; z>=0; z--) { zz = xb1[z]; y1 = ry1[z]; day1 = clamp(y1>>12, 0, ydim-1); // clamp: crash prevention... y2 = ry1[zz]; day2 = clamp(y2>>12, 0, ydim-1); if (day1 != day2) { x1 = rx1[z]; x2 = rx1[zz]; xinc = divscale12(x2-x1,y2-y1); if (day2 > day1) { x1 += mulscale12((day1<<12)+4095-y1,xinc); for (y=day1; y>12); x1 += xinc; } } else { x2 += mulscale12((day2<<12)+4095-y2,xinc); for (y=day2; y>12); x2 += xinc; } } } } globalx1 = mulscale16(globalx1,xyaspect); globaly2 = mulscale16(globaly2,xyaspect); oy = miny+1-(ydim>>1); globalposx += oy*globalx1; globalposy += oy*globaly2; setuphlineasm4(asm1,asm2); ptr = smost; for (y=miny; y<=maxy; y++) { cnt = dotp1[y]-ptr; ptr2 = ptr+(MAXNODESPERLINE>>1); for (z=cnt-1; z>=0; z--) { day1 = 0; day2 = 0; for (zz=z; zz>0; zz--) { if (ptr[zz] < ptr[day1]) day1 = zz; if (ptr2[zz] < ptr2[day2]) day2 = zz; } x1 = ptr[day1]; ptr[day1] = ptr[z]; x2 = ptr2[day2]-1; ptr2[day2] = ptr2[z]; if (x1 > x2) continue; if (globalpolytype < 1) { //maphline ox = x2+1-(xdim>>1); bx = ox*asm1 + globalposx; by = ox*asm2 - globalposy; p = ylookup[y]+x2+frameplace; hlineasm4(x2-x1,-1L,globalshade<<8,by,bx,p); } else { //maphline ox = x1+1-(xdim>>1); bx = ox*asm1 + globalposx; by = ox*asm2 - globalposy; p = ylookup[y]+x1+frameplace; if (globalpolytype == 1) mhline(globalbufplc,bx,(x2-x1)<<16,0L,by,p); else { thline(globalbufplc,bx,(x2-x1)<<16,0L,by,p); } } } globalposx += globalx1; globalposy += globaly2; ptr += MAXNODESPERLINE; } faketimerhandler(); } // // clippoly (internal) // static int32_t clippoly(int32_t npoints, int32_t clipstat) { int32_t z, zz, s1, s2, t, npoints2, start2, z1, z2, z3, z4, splitcnt; int32_t cx1, cy1, cx2, cy2; cx1 = windowx1; cy1 = windowy1; cx2 = windowx2+1; cy2 = windowy2+1; cx1 <<= 12; cy1 <<= 12; cx2 <<= 12; cy2 <<= 12; if (clipstat&0xa) //Need to clip top or left { npoints2 = 0; start2 = 0; z = 0; splitcnt = 0; do { s2 = cx1-rx1[z]; do { zz = xb1[z]; xb1[z] = -1; s1 = s2; s2 = cx1-rx1[zz]; if (s1 < 0) { rx2[npoints2] = rx1[z]; ry2[npoints2] = ry1[z]; xb2[npoints2] = npoints2+1; npoints2++; } if ((s1^s2) < 0) { rx2[npoints2] = rx1[z]+scale(rx1[zz]-rx1[z],s1,s1-s2); ry2[npoints2] = ry1[z]+scale(ry1[zz]-ry1[z],s1,s1-s2); if (s1 < 0) p2[splitcnt++] = npoints2; xb2[npoints2] = npoints2+1; npoints2++; } z = zz; } while (xb1[z] >= 0); if (npoints2 >= start2+3) xb2[npoints2-1] = start2, start2 = npoints2; else npoints2 = start2; z = 1; while ((z < npoints) && (xb1[z] < 0)) z++; } while (z < npoints); if (npoints2 <= 2) return(0); for (z=1; z= 0); if (npoints >= start2+3) xb1[npoints-1] = start2, start2 = npoints; else npoints = start2; z = 1; while ((z < npoints2) && (xb2[z] < 0)) z++; } while (z < npoints2); if (npoints <= 2) return(0); for (z=1; z= 0); if (npoints2 >= start2+3) xb2[npoints2-1] = start2, start2 = npoints2; else npoints2 = start2; z = 1; while ((z < npoints) && (xb1[z] < 0)) z++; } while (z < npoints); if (npoints2 <= 2) return(0); for (z=1; z= 0); if (npoints >= start2+3) xb1[npoints-1] = start2, start2 = npoints; else npoints = start2; z = 1; while ((z < npoints2) && (xb2[z] < 0)) z++; } while (z < npoints2); if (npoints <= 2) return(0); for (z=1; z= 3 && qsetmode == 200) { polymost_dorotatesprite(sx,sy,z,a,picnum,dashade,dapalnum,dastat,cx1,cy1,cx2,cy2,uniqid); return; } #endif //============================================================================= //POLYMOST ENDS if (cx1 < 0) cx1 = 0; if (cy1 < 0) cy1 = 0; if (cx2 > xres-1) cx2 = xres-1; if (cy2 > yres-1) cy2 = yres-1; xsiz = tilesizx[picnum]; ysiz = tilesizy[picnum]; if (dastat&16) { xoff = 0; yoff = 0; } else { xoff = (int32_t)((int8_t)((picanm[picnum]>>8)&255))+(xsiz>>1); yoff = (int32_t)((int8_t)((picanm[picnum]>>16)&255))+(ysiz>>1); } if (dastat&4) yoff = ysiz-yoff; cosang = sintable[(a+512)&2047]; sinang = sintable[a&2047]; if ((dastat&2) != 0) //Auto window size scaling { if ((dastat&8) == 0) { x = xdimenscale; //= scale(xdimen,yxaspect,320); sx = ((cx1+cx2+2)<<15)+scale(sx-(320<<15),xdimen,320); sy = ((cy1+cy2+2)<<15)+mulscale16(sy-(200<<15),x); } else { //If not clipping to startmosts, & auto-scaling on, as a //hard-coded bonus, scale to full screen instead x = scale(xdim,yxaspect,320); sx = (xdim<<15)+32768+scale(sx-(320<<15),xdim,320); sy = (ydim<<15)+32768+mulscale16(sy-(200<<15),x); } z = mulscale16(z,x); } xv = mulscale14(cosang,z); yv = mulscale14(sinang,z); if (((dastat&2) != 0) || ((dastat&8) == 0)) //Don't aspect unscaled perms { xv2 = mulscale16(xv,xyaspect); yv2 = mulscale16(yv,xyaspect); } else { xv2 = xv; yv2 = yv; } nry1[0] = sy - (yv*xoff + xv*yoff); nry1[1] = nry1[0] + yv*xsiz; nry1[3] = nry1[0] + xv*ysiz; nry1[2] = nry1[1]+nry1[3]-nry1[0]; i = (cy1<<16); if ((nry1[0]i) && (nry1[1]>i) && (nry1[2]>i) && (nry1[3]>i)) return; nrx1[0] = sx - (xv2*xoff - yv2*yoff); nrx1[1] = nrx1[0] + xv2*xsiz; nrx1[3] = nrx1[0] - yv2*ysiz; nrx1[2] = nrx1[1]+nrx1[3]-nrx1[0]; i = (cx1<<16); if ((nrx1[0]i) && (nrx1[1]>i) && (nrx1[2]>i) && (nrx1[3]>i)) return; gx1 = nrx1[0]; gy1 = nry1[0]; //back up these before clipping if ((npoints = clippoly4(cx1<<16,cy1<<16,(cx2+1)<<16,(cy2+1)<<16)) < 3) return; lx = nrx1[0]; rx = nrx1[0]; nextv = 0; for (v=npoints-1; v>=0; v--) { x1 = nrx1[v]; x2 = nrx1[nextv]; dax1 = (x1>>16); if (x1 < lx) lx = x1; dax2 = (x2>>16); if (x1 > rx) rx = x1; if (dax1 != dax2) { y1 = nry1[v]; y2 = nry1[nextv]; yinc = divscale16(y2-y1,x2-x1); if (dax2 > dax1) { yplc = y1 + mulscale16((dax1<<16)+65535-x1,yinc); qinterpolatedown16short((intptr_t)(&uplc[dax1]),dax2-dax1,yplc,yinc); } else { yplc = y2 + mulscale16((dax2<<16)+65535-x2,yinc); qinterpolatedown16short((intptr_t)(&dplc[dax2]),dax1-dax2,yplc,yinc); } } nextv = v; } if (waloff[picnum] == 0) loadtile(picnum); setgotpic(picnum); bufplc = waloff[picnum]; if (palookup[dapalnum] == NULL) dapalnum = 0; palookupoffs = FP_OFF(palookup[dapalnum]) + (getpalookup(0L,(int32_t)dashade)<<8); i = divscale32(1L,z); xv = mulscale14(sinang,i); yv = mulscale14(cosang,i); if (((dastat&2) != 0) || ((dastat&8) == 0)) //Don't aspect unscaled perms { yv2 = mulscale16(-xv,yxaspect); xv2 = mulscale16(yv,yxaspect); } else { yv2 = -xv; xv2 = yv; } x1 = (lx>>16); x2 = (rx>>16); oy = 0; x = (x1<<16)-1-gx1; y = (oy<<16)+65535-gy1; bx = dmulscale16(x,xv2,y,xv); by = dmulscale16(x,yv2,y,yv); if (dastat&4) { yv = -yv; yv2 = -yv2; by = (ysiz<<16)-1-by; } /* if (origbuffermode == 0) { if (dastat&128) { obuffermode = buffermode; buffermode = 0; setactivepage(activepage); } } else if (dastat&8) permanentupdate = 1; */ #if defined ENGINE_USING_A_C if ((dastat&1)==0 && ((a&1023) == 0) && (ysiz <= 256)) //vlineasm4 has 256 high limit! #else //#if !defined ENGINE_USING_A_C // (1) if ((dastat&1) == 0) #endif { char bad; int32_t ny1, ny2, xx, xend; int32_t qlinemode=0, y1ve[4], y2ve[4], u4, d4; if (((a&1023) == 0) && (ysiz <= 256)) //vlineasm4 has 256 high limit! { if (dastat&64) setupvlineasm(24L); else setupmvlineasm(24L); by <<= 8; yv <<= 8; yv2 <<= 8; palookupoffse[0] = palookupoffse[1] = palookupoffse[2] = palookupoffse[3] = palookupoffs; vince[0] = vince[1] = vince[2] = vince[3] = yv; for (x=x1; x y1) y1 = startumost[x+xx]; if (startdmost[x+xx] < y2) y2 = startdmost[x+xx]; } if (y2 <= y1) continue; by += yv*(y1-oy); oy = y1; bufplce[xx] = (bx>>16)*ysiz+bufplc; vplce[xx] = by; y1ve[xx] = y1; y2ve[xx] = y2-1; bad &= ~pow2char[xx]; } p = x+frameplace; assert(!(bad&1)); u4 = y1ve[0]; d4 = y2ve[0]; for (xx=1; xx<4; xx++) if (!(bad&pow2char[xx])) { u4 = max(u4, y1ve[xx]); d4 = min(d4, y2ve[xx]); } // This version may access uninitialized y?ve[] values with // thin tiles, e.g. 3085 (MINIFONT period, 1x5): // u4 = max(max(y1ve[0],y1ve[1]),max(y1ve[2],y1ve[3])); // d4 = min(min(y2ve[0],y2ve[1]),min(y2ve[2],y2ve[3])); if (dastat&64) { if ((bad != 0) || (u4 >= d4)) { if (!(bad&1)) prevlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0); if (!(bad&2)) prevlineasm1(vince[1],palookupoffse[1],y2ve[1]-y1ve[1],vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1); if (!(bad&4)) prevlineasm1(vince[2],palookupoffse[2],y2ve[2]-y1ve[2],vplce[2],bufplce[2],ylookup[y1ve[2]]+p+2); if (!(bad&8)) prevlineasm1(vince[3],palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3); continue; } if (u4 > y1ve[0]) vplce[0] = prevlineasm1(vince[0],palookupoffse[0],u4-y1ve[0]-1,vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0); if (u4 > y1ve[1]) vplce[1] = prevlineasm1(vince[1],palookupoffse[1],u4-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1); if (u4 > y1ve[2]) vplce[2] = prevlineasm1(vince[2],palookupoffse[2],u4-y1ve[2]-1,vplce[2],bufplce[2],ylookup[y1ve[2]]+p+2); if (u4 > y1ve[3]) vplce[3] = prevlineasm1(vince[3],palookupoffse[3],u4-y1ve[3]-1,vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3); if (d4 >= u4) vlineasm4(d4-u4+1, (char *)ylookup[u4]+p); i = p+ylookup[d4+1]; if (y2ve[0] > d4) prevlineasm1(vince[0],palookupoffse[0],y2ve[0]-d4-1,vplce[0],bufplce[0],i+0); if (y2ve[1] > d4) prevlineasm1(vince[1],palookupoffse[1],y2ve[1]-d4-1,vplce[1],bufplce[1],i+1); if (y2ve[2] > d4) prevlineasm1(vince[2],palookupoffse[2],y2ve[2]-d4-1,vplce[2],bufplce[2],i+2); if (y2ve[3] > d4) prevlineasm1(vince[3],palookupoffse[3],y2ve[3]-d4-1,vplce[3],bufplce[3],i+3); } else { if ((bad != 0) || (u4 >= d4)) { if (!(bad&1)) mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0); if (!(bad&2)) mvlineasm1(vince[1],palookupoffse[1],y2ve[1]-y1ve[1],vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1); if (!(bad&4)) mvlineasm1(vince[2],palookupoffse[2],y2ve[2]-y1ve[2],vplce[2],bufplce[2],ylookup[y1ve[2]]+p+2); if (!(bad&8)) mvlineasm1(vince[3],palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3); continue; } if (u4 > y1ve[0]) vplce[0] = mvlineasm1(vince[0],palookupoffse[0],u4-y1ve[0]-1,vplce[0],bufplce[0],ylookup[y1ve[0]]+p+0); if (u4 > y1ve[1]) vplce[1] = mvlineasm1(vince[1],palookupoffse[1],u4-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+p+1); if (u4 > y1ve[2]) vplce[2] = mvlineasm1(vince[2],palookupoffse[2],u4-y1ve[2]-1,vplce[2],bufplce[2],ylookup[y1ve[2]]+p+2); if (u4 > y1ve[3]) vplce[3] = mvlineasm1(vince[3],palookupoffse[3],u4-y1ve[3]-1,vplce[3],bufplce[3],ylookup[y1ve[3]]+p+3); if (d4 >= u4) mvlineasm4(d4-u4+1, (char *)ylookup[u4]+p); i = p+ylookup[d4+1]; if (y2ve[0] > d4) mvlineasm1(vince[0],palookupoffse[0],y2ve[0]-d4-1,vplce[0],bufplce[0],i+0); if (y2ve[1] > d4) mvlineasm1(vince[1],palookupoffse[1],y2ve[1]-d4-1,vplce[1],bufplce[1],i+1); if (y2ve[2] > d4) mvlineasm1(vince[2],palookupoffse[2],y2ve[2]-d4-1,vplce[2],bufplce[2],i+2); if (y2ve[3] > d4) mvlineasm1(vince[3],palookupoffse[3],y2ve[3]-d4-1,vplce[3],bufplce[3],i+3); } faketimerhandler(); } } #ifndef ENGINE_USING_A_C else { if (dastat&64) { if ((xv2&0x0000ffff) == 0) { qlinemode = 1; setupqrhlineasm4(0L,yv2<<16,(xv2>>16)*ysiz+(yv2>>16),palookupoffs,0L,0L); } else { qlinemode = 0; setuprhlineasm4(xv2<<16,yv2<<16,(xv2>>16)*ysiz+(yv2>>16),palookupoffs,ysiz,0L); } } else setuprmhlineasm4(xv2<<16,yv2<<16,(xv2>>16)*ysiz+(yv2>>16),palookupoffs,ysiz,0L); y1 = uplc[x1]; if (((dastat&8) == 0) && (startumost[x1] > y1)) y1 = startumost[x1]; y2 = y1; for (x=x1; x ny1) ny1 = startumost[x]-1; if (startdmost[x] < ny2) ny2 = startdmost[x]; } if (ny1 < ny2-1) { if (ny1 >= y2) { while (y1 < y2-1) { y1++; if ((y1&31) == 0) faketimerhandler(); //x,y1 bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; if (dastat&64) { if (qlinemode) qrhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,0L ,by<<16,ylookup[y1]+x+frameplace); else rhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace); } else rmhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace); } y1 = ny1; } else { while (y1 < ny1) { y1++; if ((y1&31) == 0) faketimerhandler(); //x,y1 bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; if (dastat&64) { if (qlinemode) qrhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,0L ,by<<16,ylookup[y1]+x+frameplace); else rhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace); } else rmhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace); } while (y1 > ny1) lastx[y1--] = x; } while (y2 > ny2) { y2--; if ((y2&31) == 0) faketimerhandler(); //x,y2 bx += xv*(y2-oy); by += yv*(y2-oy); oy = y2; if (dastat&64) { if (qlinemode) qrhlineasm4(x-lastx[y2],(bx>>16)*ysiz+(by>>16)+bufplc,0L,0L ,by<<16,ylookup[y2]+x+frameplace); else rhlineasm4(x-lastx[y2],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y2]+x+frameplace); } else rmhlineasm4(x-lastx[y2],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y2]+x+frameplace); } while (y2 < ny2) lastx[y2++] = x; } else { while (y1 < y2-1) { y1++; if ((y1&31) == 0) faketimerhandler(); //x,y1 bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; if (dastat&64) { if (qlinemode) qrhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,0L ,by<<16,ylookup[y1]+x+frameplace); else rhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace); } else rmhlineasm4(x-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x+frameplace); } if (x == x2-1) { bx += xv2; by += yv2; break; } y1 = uplc[x+1]; if (((dastat&8) == 0) && (startumost[x+1] > y1)) y1 = startumost[x+1]; y2 = y1; } bx += xv2; by += yv2; } while (y1 < y2-1) { y1++; if ((y1&31) == 0) faketimerhandler(); //x2,y1 bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; if (dastat&64) { if (qlinemode) qrhlineasm4(x2-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,0L,by<<16,ylookup[y1]+x2+frameplace); else rhlineasm4(x2-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x2+frameplace); } else rmhlineasm4(x2-lastx[y1],(bx>>16)*ysiz+(by>>16)+bufplc,0L,bx<<16,by<<16,ylookup[y1]+x2+frameplace); } } #endif // !defined ENGINE_USING_A_C } else //#endif // !defined ENGINE_USING_A_C // (1) { if ((dastat&1) == 0) { #if !defined ENGINE_USING_A_C if (dastat&64) setupspritevline(palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L); else msetupspritevline(palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L); #else if (dastat&64) setupspritevline(palookupoffs,xv,yv,ysiz); else msetupspritevline(palookupoffs,xv,yv,ysiz); #endif } else { #if !defined ENGINE_USING_A_C tsetupspritevline(palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L); #else tsetupspritevline(palookupoffs,xv,yv,ysiz); #endif if (dastat&32) settransreverse(); else settransnormal(); } for (x=x1; x y1) y1 = startumost[x]; if (startdmost[x] < y2) y2 = startdmost[x]; } if (y2 <= y1) continue; switch (y1-oy) { case -1: bx -= xv; by -= yv; oy = y1; break; case 0: break; case 1: bx += xv; by += yv; oy = y1; break; default: bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; break; } p = ylookup[y1]+x+frameplace; if ((dastat&1) == 0) { #if !defined ENGINE_USING_A_C if (dastat&64) spritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p); else mspritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p); #else if (dastat&64) spritevline(bx&65535,by&65535,y2-y1+1,(bx>>16)*ysiz+(by>>16)+bufplc,p); else mspritevline(bx&65535,by&65535,y2-y1+1,(bx>>16)*ysiz+(by>>16)+bufplc,p); #endif } else { #if !defined ENGINE_USING_A_C tspritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p); #else tspritevline(bx&65535,by&65535,y2-y1+1,(bx>>16)*ysiz+(by>>16)+bufplc,p); //transarea += (y2-y1); #endif } faketimerhandler(); } } /* if ((dastat&128) && (origbuffermode == 0)) { buffermode = obuffermode; setactivepage(activepage); }*/ } // // initksqrt (internal) // static inline void initksqrt(void) { int32_t i, j, k; j = 1; k = 0; for (i=0; i<4096; i++) { if (i >= j) { j <<= 2; k++; } sqrtable[i] = (uint16_t)(msqrtasm((i<<18)+131072)<<1); shlookup[i] = (k<<1)+((10-k)<<8); if (i < 256) shlookup[i+4096] = ((k+6)<<1)+((10-(k+6))<<8); } } // // dosetaspect // static void dosetaspect(void) { int32_t i, j, k, x, xinc; if (xyaspect != oxyaspect) { oxyaspect = xyaspect; j = xyaspect*320; horizlookup2[horizycent-1] = divscale26(131072,j); for (i=ydim*4-1; i>=0; i--) if (i != (horizycent-1)) { horizlookup[i] = divscale28(1,i-(horizycent-1)); horizlookup2[i] = divscale14(klabs(horizlookup[i]),j); } } if ((xdimen != oxdimen) || (viewingrange != oviewingrange)) { oxdimen = xdimen; oviewingrange = viewingrange; xinc = mulscale32(viewingrange*320,xdimenrecip); x = (640<<16)-mulscale1(xinc,xdimen); for (i=0; i>16); x += xinc; if (j != 0) j = mulscale16((int32_t)radarang[k+1]-(int32_t)radarang[k],j); radarang2[i] = (int16_t)(((int32_t)radarang[k]+j)>>6); } for (i=1; i<(int32_t)(sizeof(distrecip)/sizeof(distrecip[0])); i++) distrecip[i] = divscale20(xdimen,i); nytooclose = xdimen*2100; nytoofar = 65536*16384-1048576; } } // // loadtables (internal) // static inline void calcbritable(void) { int32_t i,j; double a,b; for (i=0; i<16; i++) { a = (double)8 / ((double)i+8); b = (double)255 / pow((double)255,a); for (j=0; j<256; j++) // JBF 20040207: full 8bit precision britable[i][j] = (uint8_t)(pow((double)j,a)*b); } } static int32_t loadtables(void) { int32_t i, fil; if (tablesloaded == 0) { initksqrt(); for (i=0; i<2048; i++) reciptable[i] = divscale30(2048, i+2048); if ((fil = kopen4load("tables.dat",0)) != -1) { kread(fil,sintable,2048*2); for (i=2048-1; i>=0; i--) sintable[i] = B_LITTLE16(sintable[i]); kread(fil,radarang,640*2); for (i=640-1; i>=0; i--) radarang[i] = B_LITTLE16(radarang[i]); for (i=0; i<640; i++) radarang[1279-i] = -radarang[i]; //kread(fil,textfont,1024); //kread(fil,smalltextfont,1024); //kread(fil,britable,1024); calcbritable(); kclose(fil); } else { engineerrstr = "Failed to load TABLES.DAT!"; initprintf("ERROR: %s\n", engineerrstr); return 1; } tablesloaded = 1; } return 0; } // // initfastcolorlookup (internal) // static void initfastcolorlookup(int32_t rscale, int32_t gscale, int32_t bscale) { int32_t i, j, x, y, z; const char *pal1; j = 0; for (i=64; i>=0; i--) { //j = (i-64)*(i-64); rdist[i] = rdist[128-i] = j*rscale; gdist[i] = gdist[128-i] = j*gscale; bdist[i] = bdist[128-i] = j*bscale; j += 129-(i<<1); } Bmemset(colhere,0,sizeof(colhere)); Bmemset(colhead,0,sizeof(colhead)); pal1 = (char *)&palette[768-3]; for (i=255; i>=0; i--,pal1-=3) { j = (pal1[0]>>3)*FASTPALGRIDSIZ*FASTPALGRIDSIZ + (pal1[1]>>3)*FASTPALGRIDSIZ + (pal1[2]>>3) + FASTPALGRIDSIZ*FASTPALGRIDSIZ + FASTPALGRIDSIZ+1; if (colhere[j>>3]&pow2char[j&7]) colnext[i] = colhead[j]; else colnext[i] = -1; colhead[j] = i; colhere[j>>3] |= pow2char[j&7]; } i = 0; for (x=-FASTPALGRIDSIZ*FASTPALGRIDSIZ; x<=FASTPALGRIDSIZ*FASTPALGRIDSIZ; x+=FASTPALGRIDSIZ*FASTPALGRIDSIZ) for (y=-FASTPALGRIDSIZ; y<=FASTPALGRIDSIZ; y+=FASTPALGRIDSIZ) for (z=-1; z<=1; z++) colscan[i++] = x+y+z; i = colscan[13]; colscan[13] = colscan[26]; colscan[26] = i; } // // loadpalette (internal) // static int32_t loadpalette(void) { int32_t fil; if (paletteloaded != 0) return 0; if ((fil = kopen4load("palette.dat",0)) == -1) return -1; kread(fil,palette,768); kread(fil,&numshades,2); numshades = B_LITTLE16(numshades); if ((palookup[0] = (char *)Bmalloc(numshades<<8)) == NULL) allocache((intptr_t *)&palookup[0],numshades<<8,&permanentlock); if ((transluc = (char *)Bmalloc(65536)) == NULL) allocache((intptr_t *)&transluc,65536,&permanentlock); globalpalwritten = palookup[0]; globalpal = 0; setpalookupaddress(globalpalwritten); fixtransluscence(FP_OFF(transluc)); kread(fil,palookup[globalpal],numshades<<8); // read base shade table (palookup 0) kread(fil,transluc,65536); // read translucency (blending) table kclose(fil); if (crc32once((uint8_t *)transluc, 65536)==0x94a1fac6) // Duke3D 1.5 GRP { int32_t i; // fix up translucency table so that transluc(255,x) // and transluc(x,255) is black instead of purple for (i=0; i<256; i++) { transluc[(255<<8) + i] = transluc[i]; transluc[255 + (i<<8)] = transluc[i<<8]; } } initfastcolorlookup(30, 59, 11); { int32_t i, j, k = 0; for (i=0; i<256; i++) { j = palette[i*3] + palette[i*3+1] + palette[i*3+2]; if (j > k) { k = j; whitecol = i; } } } paletteloaded = 1; return 0; } // // getclosestcol // int32_t getclosestcol(int32_t r, int32_t g, int32_t b) { int32_t i, j, k, dist, mindist, retcol; const char *pal1; j = (r>>3)*FASTPALGRIDSIZ*FASTPALGRIDSIZ + (g>>3)*FASTPALGRIDSIZ + (b>>3) + FASTPALGRIDSIZ*FASTPALGRIDSIZ + FASTPALGRIDSIZ+1; mindist = min(rdist[coldist[r&7]+64+8],gdist[coldist[g&7]+64+8]); mindist = min(mindist,bdist[coldist[b&7]+64+8]); mindist++; r = 64-r; g = 64-g; b = 64-b; retcol = -1; for (k=26; k>=0; k--) { i = colscan[k]+j; if ((colhere[i>>3]&pow2char[i&7]) == 0) continue; i = colhead[i]; do { pal1 = (char *)&palette[i*3]; dist = gdist[pal1[1]+g]; if (dist < mindist) { dist += rdist[pal1[0]+r]; if (dist < mindist) { dist += bdist[pal1[2]+b]; if (dist < mindist) { mindist = dist; retcol = i; } } } i = colnext[i]; } while (i >= 0); } if (retcol >= 0) return(retcol); mindist = INT32_MAX; pal1 = (char *)&palette[768-3]; for (i=255; i>=0; i--,pal1-=3) { dist = gdist[pal1[1]+g]; if (dist >= mindist) continue; dist += rdist[pal1[0]+r]; if (dist >= mindist) continue; dist += bdist[pal1[2]+b]; if (dist >= mindist) continue; mindist = dist; retcol = i; } return(retcol); } ////////// SPRITE LIST MANIPULATION FUNCTIONS ////////// ///// sector lists of sprites ///// // insert sprite at the head of sector list, change .sectnum static void do_insertsprite_at_headofsect(int16_t spritenum, int16_t sectnum) { int16_t ohead = headspritesect[sectnum]; prevspritesect[spritenum] = -1; nextspritesect[spritenum] = ohead; if (ohead >= 0) prevspritesect[ohead] = spritenum; headspritesect[sectnum] = spritenum; sprite[spritenum].sectnum = sectnum; } // remove sprite 'deleteme' from its sector list static void do_deletespritesect(int16_t deleteme) { int32_t sectnum = sprite[deleteme].sectnum; int32_t prev = prevspritesect[deleteme], next = nextspritesect[deleteme]; if (headspritesect[sectnum] == deleteme) headspritesect[sectnum] = next; if (prev >= 0) nextspritesect[prev] = next; if (next >= 0) prevspritesect[next] = prev; } ///// now, status lists ///// // insert sprite at head of status list, change .statnum static void do_insertsprite_at_headofstat(int16_t spritenum, int16_t statnum) { int16_t ohead = headspritestat[statnum]; prevspritestat[spritenum] = -1; nextspritestat[spritenum] = ohead; if (ohead >= 0) prevspritestat[ohead] = spritenum; headspritestat[statnum] = spritenum; sprite[spritenum].statnum = statnum; } // insertspritestat (internal) static int32_t insertspritestat(int16_t statnum) { int16_t blanktouse; if ((statnum >= MAXSTATUS) || (headspritestat[MAXSTATUS] == -1)) return(-1); //list full // remove one sprite from the statnum-freelist blanktouse = headspritestat[MAXSTATUS]; headspritestat[MAXSTATUS] = nextspritestat[blanktouse]; // make back-link of the new freelist head point to nil if (headspritestat[MAXSTATUS] >= 0) prevspritestat[headspritestat[MAXSTATUS]] = -1; else tailspritefree = -1; do_insertsprite_at_headofstat(blanktouse, statnum); return(blanktouse); } // remove sprite 'deleteme' from its status list static void do_deletespritestat(int16_t deleteme) { int32_t sectnum = sprite[deleteme].statnum; int32_t prev = prevspritestat[deleteme], next = nextspritestat[deleteme]; if (headspritestat[sectnum] == deleteme) headspritestat[sectnum] = next; if (prev >= 0) nextspritestat[prev] = next; if (next >= 0) prevspritestat[next] = prev; } // // insertsprite // int32_t insertsprite(int16_t sectnum, int16_t statnum) { // TODO: guard against bad sectnum? int32_t newspritenum = insertspritestat(statnum); if (newspritenum >= 0) { assert((unsigned)sectnum < MAXSECTORS); do_insertsprite_at_headofsect(newspritenum, sectnum); Numsprites++; } return newspritenum; } // // deletesprite // int32_t deletesprite(int16_t spritenum) { assert((sprite[spritenum].statnum == MAXSTATUS) == (sprite[spritenum].sectnum == MAXSECTORS)); if (sprite[spritenum].statnum == MAXSTATUS) return(-1); // already not in the world do_deletespritestat(spritenum); do_deletespritesect(spritenum); // (dummy) insert at tail of sector freelist, compat // for code that checks .sectnum==MAXSECTOR sprite[spritenum].sectnum = MAXSECTORS; // insert at tail of status freelist prevspritestat[spritenum] = tailspritefree; nextspritestat[spritenum] = -1; if (tailspritefree >= 0) nextspritestat[tailspritefree] = spritenum; else headspritestat[MAXSTATUS] = spritenum; sprite[spritenum].statnum = MAXSTATUS; tailspritefree = spritenum; Numsprites--; return 0; } // // changespritesect // int32_t changespritesect(int16_t spritenum, int16_t newsectnum) { if ((newsectnum < 0) || (newsectnum > MAXSECTORS)) return(-1); if (sprite[spritenum].sectnum == newsectnum) return(0); if (sprite[spritenum].sectnum == MAXSECTORS) return(-1); do_deletespritesect(spritenum); do_insertsprite_at_headofsect(spritenum, newsectnum); return(0); } // // changespritestat // int32_t changespritestat(int16_t spritenum, int16_t newstatnum) { if ((newstatnum < 0) || (newstatnum > MAXSTATUS)) return(-1); if (sprite[spritenum].statnum == newstatnum) return(0); // sprite already has desired statnum if (sprite[spritenum].statnum == MAXSTATUS) return(-1); // can't set the statnum of a sprite not in the world do_deletespritestat(spritenum); do_insertsprite_at_headofstat(spritenum, newstatnum); return(0); } // // lintersect (internal) // static int32_t lintersect(int32_t x1, int32_t y1, int32_t z1, int32_t x2, int32_t y2, int32_t z2, int32_t x3, int32_t y3, int32_t x4, int32_t y4, int32_t *intx, int32_t *inty, int32_t *intz) { //p1 to p2 is a line segment int32_t x21, y21, x34, y34, x31, y31, bot, topt, topu, t; x21 = x2-x1; x34 = x3-x4; y21 = y2-y1; y34 = y3-y4; bot = x21*y34 - y21*x34; if (bot >= 0) { if (bot == 0) return(0); x31 = x3-x1; y31 = y3-y1; topt = x31*y34 - y31*x34; if ((topt < 0) || (topt >= bot)) return(0); topu = x21*y31 - y21*x31; if ((topu < 0) || (topu >= bot)) return(0); } else { x31 = x3-x1; y31 = y3-y1; topt = x31*y34 - y31*x34; if ((topt > 0) || (topt <= bot)) return(0); topu = x21*y31 - y21*x31; if ((topu > 0) || (topu <= bot)) return(0); } t = divscale24(topt,bot); *intx = x1 + mulscale24(x21,t); *inty = y1 + mulscale24(y21,t); *intz = z1 + mulscale24(z2-z1,t); return(1); } int32_t lineintersect(int32_t x1, int32_t y1, int32_t z1, int32_t x2, int32_t y2, int32_t z2, int32_t x3, int32_t y3, int32_t x4, int32_t y4, int32_t *intx, int32_t *inty, int32_t *intz) { return lintersect(x1, y1, z1, x2, y2, z2, x3, y3, x4, y4, intx, inty, intz); } // // rintersect (internal) // static int32_t rintersect(int32_t x1, int32_t y1, int32_t z1, int32_t vx, int32_t vy, int32_t vz, int32_t x3, int32_t y3, int32_t x4, int32_t y4, int32_t *intx, int32_t *inty, int32_t *intz) { //p1 towards p2 is a ray int32_t x34, y34, x31, y31, bot, topt, topu, t; x34 = x3-x4; y34 = y3-y4; bot = vx*y34 - vy*x34; if (bot >= 0) { if (bot == 0) return(0); x31 = x3-x1; y31 = y3-y1; topt = x31*y34 - y31*x34; if (topt < 0) return(0); topu = vx*y31 - vy*x31; if ((topu < 0) || (topu >= bot)) return(0); } else { x31 = x3-x1; y31 = y3-y1; topt = x31*y34 - y31*x34; if (topt > 0) return(0); topu = vx*y31 - vy*x31; if ((topu > 0) || (topu <= bot)) return(0); } t = divscale16(topt,bot); *intx = x1 + mulscale16(vx,t); *inty = y1 + mulscale16(vy,t); *intz = z1 + mulscale16(vz,t); return(1); } int32_t rayintersect(int32_t x1, int32_t y1, int32_t z1, int32_t vx, int32_t vy, int32_t vz, int32_t x3, int32_t y3, int32_t x4, int32_t y4, int32_t *intx, int32_t *inty, int32_t *intz) { return rintersect(x1, y1, z1, vx, vy, vz, x3, y3, x4, y4, intx, inty, intz); } // // keepaway (internal) // static inline void keepaway(int32_t *x, int32_t *y, int32_t w) { int32_t dx, dy, ox, oy, x1, y1; char first; x1 = clipit[w].x1; dx = clipit[w].x2-x1; y1 = clipit[w].y1; dy = clipit[w].y2-y1; ox = ksgn(-dy); oy = ksgn(dx); first = (klabs(dx) <= klabs(dy)); while (1) { if (dx*(*y-y1) > (*x-x1)*dy) return; if (first == 0) *x += ox; else *y += oy; first ^= 1; } } // // raytrace (internal) // static inline int32_t raytrace(int32_t x3, int32_t y3, int32_t *x4, int32_t *y4) { int32_t x1, y1, x2, y2, bot, topu, nintx, ninty, cnt, z, hitwall; int32_t x21, y21, x43, y43; hitwall = -1; for (z=clipnum-1; z>=0; z--) { x1 = clipit[z].x1; x2 = clipit[z].x2; x21 = x2-x1; y1 = clipit[z].y1; y2 = clipit[z].y2; y21 = y2-y1; topu = x21*(y3-y1) - (x3-x1)*y21; if (topu <= 0) continue; if (x21*(*y4-y1) > (*x4-x1)*y21) continue; x43 = *x4-x3; y43 = *y4-y3; if (x43*(y1-y3) > (x1-x3)*y43) continue; if (x43*(y2-y3) <= (x2-x3)*y43) continue; bot = x43*y21 - x21*y43; if (bot == 0) continue; cnt = 256; do { cnt--; if (cnt < 0) { *x4 = x3; *y4 = y3; return(z); } nintx = x3 + scale(x43,topu,bot); ninty = y3 + scale(y43,topu,bot); topu--; } while (x21*(ninty-y1) <= (nintx-x1)*y21); if (klabs(x3-nintx)+klabs(y3-ninty) < klabs(x3-*x4)+klabs(y3-*y4)) { *x4 = nintx; *y4 = ninty; hitwall = z; } } return(hitwall); } // // Exported Engine Functions // #if !defined _WIN32 && defined DEBUGGINGAIDS #include static void sighandler(int32_t sig, const siginfo_t *info, void *ctx) { const char *s; UNREFERENCED_PARAMETER(ctx); switch (sig) { case SIGFPE: switch (info->si_code) { case FPE_INTDIV: s = "FPE_INTDIV (integer divide by zero)"; break; case FPE_INTOVF: s = "FPE_INTOVF (integer overflow)"; break; case FPE_FLTDIV: s = "FPE_FLTDIV (floating-point divide by zero)"; break; case FPE_FLTOVF: s = "FPE_FLTOVF (floating-point overflow)"; break; case FPE_FLTUND: s = "FPE_FLTUND (floating-point underflow)"; break; case FPE_FLTRES: s = "FPE_FLTRES (floating-point inexact result)"; break; case FPE_FLTINV: s = "FPE_FLTINV (floating-point invalid operation)"; break; case FPE_FLTSUB: s = "FPE_FLTSUB (floating-point subscript out of range)"; break; default: s = "?! (unknown)"; break; } ERRprintf("Caught SIGFPE at address %p, code %s. Aborting.\n", info->si_addr, s); break; default: break; } abort(); } #endif // // preinitengine // static int32_t preinitcalled = 0; // #define DYNALLOC_ARRAYS #ifndef DYNALLOC_ARRAYS # if !defined DEBUG_MAIN_ARRAYS static spriteext_t spriteext_s[MAXSPRITES+MAXUNIQHUDID]; static spritesmooth_t spritesmooth_s[MAXSPRITES+MAXUNIQHUDID]; static sectortype sector_s[MAXSECTORS + M32_FIXME_SECTORS]; static walltype wall_s[MAXWALLS + M32_FIXME_WALLS]; static spritetype sprite_s[MAXSPRITES]; static spritetype tsprite_s[MAXSPRITESONSCREEN]; # endif #else void *blockptr = NULL; #endif int32_t preinitengine(void) { char *e; if (initsystem()) exit(9); makeasmwriteable(); #ifdef DYNALLOC_ARRAYS { size_t i, size = 0; // allocate everything at once... why not? entries can just be added to this table // to allocate future arrays without further intervention struct { void **ptr; size_t size; } dynarray[] = { { (void **) §or, sizeof(sectortype) *MAXSECTORS }, { (void **) &wall, sizeof(walltype) *MAXWALLS }, // +512: editor quirks. FIXME! { (void **) &sprite, sizeof(spritetype) *MAXSPRITES }, { (void **) &tsprite, sizeof(spritetype) *MAXSPRITESONSCREEN }, { (void **) &spriteext, sizeof(spriteext_t) *(MAXSPRITES+MAXUNIQHUDID) }, { (void **) &spritesmooth, sizeof(spritesmooth_t) *(MAXSPRITES+MAXUNIQHUDID) }, { (void **) &state_compress, sizeof(qlz_state_compress) }, { (void **) &state_decompress, sizeof(qlz_state_decompress) } }; if (editstatus) { dynarray[0].size += M32_FIXME_SECTORS*sizeof(sectortype); // join sectors needs a temp. sector dynarray[1].size += M32_FIXME_WALLS*sizeof(walltype); // Bprintf("FIXME: Allocating additional space beyond wall[] for editor bugs.\n"); } for (i=0; i<(signed)(sizeof(dynarray)/sizeof(dynarray[0])); i++) size += dynarray[i].size; if ((blockptr = Bcalloc(1, size)) == NULL) return 1; size = 0; for (i=0; i<(signed)(sizeof(dynarray)/sizeof(dynarray[0])); i++) { *dynarray[i].ptr = (int8_t *)blockptr + size; size += dynarray[i].size; } } #else # if !defined DEBUG_MAIN_ARRAYS sector = sector_s; wall = wall_s; sprite = sprite_s; tsprite = tsprite_s; spriteext = spriteext_s; spritesmooth = spritesmooth_s; # endif state_compress = (qlz_state_compress *) Bcalloc(sizeof(qlz_state_compress) + sizeof(qlz_state_decompress), 1); state_decompress = (qlz_state_decompress *)((int8_t *)(state_compress) + sizeof(qlz_state_compress)); #endif if ((e = Bgetenv("BUILD_NOP6")) != NULL) if (!Bstrcasecmp(e, "TRUE")) { Bprintf("Disabling P6 optimizations.\n"); dommxoverlay = 0; } if (dommxoverlay) mmxoverlay(); validmodecnt = 0; getvalidmodes(); initcrc32table(); #ifdef HAVE_CLIPSHAPE_FEATURE clipmapinfo_init(); #endif preinitcalled = 1; return 0; } // // initengine // int32_t initengine(void) { int32_t i, j; #if !defined _WIN32 && defined DEBUGGINGAIDS struct sigaction sigact, oldact; memset(&sigact, 0, sizeof(sigact)); sigact.sa_sigaction = (void *)sighandler; sigact.sa_flags = SA_SIGINFO; sigaction(SIGFPE, &sigact, &oldact); #endif if (!preinitcalled) { i = preinitengine(); if (i) return i; } #ifdef YAX_DEBUG hitickspersec = (double)gethitickspersec(); if (hitickspersec==0.0) hitickspersec = 1.0; #endif if (loadtables()) return 1; xyaspect = -1; pskyoff[0] = 0; pskybits = 0; pskynummultis = 0; parallaxtype = 2; parallaxyoffs = 0L; parallaxyscale = 65536; showinvisibility = 0; for (i=1; i<1024; i++) lowrecip[i] = ((1<<24)-1)/i; for (i=0; i>2,65536L); paletteloaded = 0; searchit = 0; searchstat = -1; // for (i=0; i>5),0L); clearbuf(&show2dsprite[0],(int32_t)((MAXSPRITES+3)>>5),0L); clearbuf(&show2dwall[0],(int32_t)((MAXWALLS+3)>>5),0L); */ // automapping = 0; totalclock = 0; visibility = 512; parallaxvisibility = 512; if (loadpalette()) return 1; #ifdef USE_OPENGL if (!hicfirstinit) hicinit(); if (!mdinited) mdinit(); #endif return 0; } // // uninitengine // void uninitengine(void) { int32_t i; //OSD_Printf("cacheresets = %d, cacheinvalidates = %d\n", cacheresets, cacheinvalidates); #ifdef USE_OPENGL polymost_glreset(); hicinit(); freeallmodels(); # ifdef POLYMER polymer_uninit(); # endif #endif if (artfil != -1) kclose(artfil); // this leaves a bunch of invalid pointers in waloff... fixme? for (i=0; i 1 <-> 2 <-> ... <-> MAXSPRITES-1 -> nil // // That is, the dummy MAXSTATUS statnum has all sprites. for (i=0; i>1); globaluclip = (0-globalhoriz)*xdimscale; globaldclip = (ydimen-globalhoriz)*xdimscale; i = mulscale16(xdimenscale,viewingrangerecip); globalpisibility = mulscale16(parallaxvisibility,i); switch (getrendermode()) { // switch on renderers to make fog look almost the same everywhere case 0: globalvisibility = mulscale16(visibility,i); break; #ifdef USE_OPENGL case 3: // I have no idea what the significance of this constant is, // it was found out experimentally. v v globalvisibility = scale(visibility<<2, xdimen, 1100); break; # ifdef POLYMER case 4: globalvisibility = visibility<<2; break; # endif #endif } globalhisibility = mulscale16(globalvisibility,xyaspect); globalcisibility = mulscale8(globalhisibility,320); globalcursectnum = dacursectnum; totalclocklock = totalclock; cosglobalang = sintable[(globalang+512)&2047]; singlobalang = sintable[globalang&2047]; cosviewingrangeglobalang = mulscale16(cosglobalang,viewingrange); sinviewingrangeglobalang = mulscale16(singlobalang,viewingrange); if ((xyaspect != oxyaspect) || (xdimen != oxdimen) || (viewingrange != oviewingrange)) dosetaspect(); Bmemset(gotsector, 0, ((numsectors+7)>>3)); if (getrendermode()!=0 #ifdef YAX_ENABLE || yax_globallev==YAX_MAXDRAWS #endif ) { shortptr1 = (int16_t *)&startumost[windowx1]; shortptr2 = (int16_t *)&startdmost[windowx1]; i = xdimen-1; do { umost[i] = shortptr1[i]-windowy1; dmost[i] = shortptr2[i]-windowy1; i--; } while (i != 0); umost[0] = shortptr1[0]-windowy1; dmost[0] = shortptr2[0]-windowy1; } #ifdef USE_OPENGL # ifdef POLYMER if (rendmode == 4) { # ifdef YAX_ENABLE // BEGIN_TWEAK ceiling/floor fake 'TROR' pics, see END_TWEAK in build.c if (editstatus && showinvisibility) { for (i=0; i dmost[i]) numhits--; // yaxdebug("cf %d, tlev %d, bunch %d: numhits=%d", yax_globalcf, yax_globallev, yax_globalbunch, numhits); } #endif if (globalcursectnum >= MAXSECTORS) globalcursectnum -= MAXSECTORS; else { i = globalcursectnum; updatesector(globalposx,globalposy,&globalcursectnum); if (globalcursectnum < 0) globalcursectnum = i; // PK 20110123: I'm not sure what the line above is supposed to do, but 'i' // *can* be negative, so let's just quit here in that case... if (globalcursectnum<0) { enddrawing(); //!!! return; } } /* globparaceilclip = 1; globparaflorclip = 1; getzsofslope(globalcursectnum,globalposx,globalposy,&cz,&fz); if (globalposz < cz) globparaceilclip = 0; if (globalposz > fz) globparaflorclip = 0; */ scansector(globalcursectnum); if (inpreparemirror) { // INPREPAREMIRROR_NO_BUNCHES // numbunches==0 can happen if the mirror is far away... the game code decides // to draw it, but scansector gets zero bunches. Result: big screwup! // Leave inpreparemirror as is, it's restored by completemirror. if (numbunches==0) { enddrawing(); //!!! return; } inpreparemirror = 0; mirrorsx1 = xdimen-1; mirrorsx2 = 0; for (i=numscans-1; i>=0; i--) { if (wall[thewall[i]].nextsector < 0) continue; if (xb1[i] < mirrorsx1) mirrorsx1 = xb1[i]; if (xb2[i] > mirrorsx2) mirrorsx2 = xb2[i]; } for (i=0; i 0) && (numhits > 0)) { Bmemset(tempbuf, 0, numbunches); tempbuf[0] = 1; closest = 0; //Almost works, but not quite :( for (i=1; i=0; z=p2[z]) // show2dwall[thewall[z]>>3] |= pow2char[thewall[z]&7]; // } numbunches--; bunchfirst[closest] = bunchfirst[numbunches]; bunchlast[closest] = bunchlast[numbunches]; } enddrawing(); //}}} } // UTILITY TYPES AND FUNCTIONS FOR DRAWMASKS OCCLUSION TREE // typedef struct s_maskleaf // { // int32_t index; // _point2d p1, p2; // _equation maskeq, p1eq, p2eq; // struct s_maskleaf* branch[MAXWALLSB]; // int32_t drawing; // } _maskleaf; // // _maskleaf maskleaves[MAXWALLSB]; // returns equation of a line given two points static inline _equation equation(float x1, float y1, float x2, float y2) { _equation ret; if ((x2 - x1) != 0) { ret.a = (float)(y2 - y1)/(float)(x2 - x1); ret.b = -1; ret.c = (y1 - (ret.a * x1)); } else // vertical { ret.a = 1; ret.b = 0; ret.c = -x1; } return (ret); } int32_t wallvisible(int32_t x, int32_t y, int16_t wallnum) { // 1 if wall is in front of player 0 otherwise int32_t a1, a2; walltype *w1, *w2; w1 = &wall[wallnum]; w2 = &wall[w1->point2]; a1 = getangle(w1->x - x, w1->y - y); a2 = getangle(w2->x - x, w2->y - y); //if ((wallnum == 23) || (wallnum == 9)) // OSD_Printf("Wall %d : %d - sector %d - x %d - y %d.\n", wallnum, (a2 + (2048 - a1)) & 2047, globalcursectnum, globalposx, globalposy); if (((a2 + (2048 - a1)) & 2047) <= 1024) return (1); return (0); } #if 0 // returns the intersection point between two lines _point2d intersection(_equation eq1, _equation eq2) { _point2d ret; float det; det = (float)(1) / (eq1.a*eq2.b - eq2.a*eq1.b); ret.x = ((eq1.b*eq2.c - eq2.b*eq1.c) * det); ret.y = ((eq2.a*eq1.c - eq1.a*eq2.c) * det); return (ret); } // check if a point that's on the line is within the segment boundaries int32_t pointonmask(_point2d point, _maskleaf* wall) { if ((min(wall->p1.x, wall->p2.x) <= point.x) && (point.x <= max(wall->p1.x, wall->p2.x)) && (min(wall->p1.y, wall->p2.y) <= point.y) && (point.y <= max(wall->p1.y, wall->p2.y))) return (1); return (0); } // returns 1 if wall2 is hidden by wall1 int32_t wallobstructswall(_maskleaf* wall1, _maskleaf* wall2) { _point2d cross; cross = intersection(wall2->p1eq, wall1->maskeq); if (pointonmask(cross, wall1)) return (1); cross = intersection(wall2->p2eq, wall1->maskeq); if (pointonmask(cross, wall1)) return (1); cross = intersection(wall1->p1eq, wall2->maskeq); if (pointonmask(cross, wall2)) return (1); cross = intersection(wall1->p2eq, wall2->maskeq); if (pointonmask(cross, wall2)) return (1); return (0); } // recursive mask drawing function static inline void drawmaskleaf(_maskleaf* wall) { int32_t i; wall->drawing = 1; i = 0; while (wall->branch[i] != NULL) { if (wall->branch[i]->drawing == 0) { //OSD_Printf("Drawing parent of %i : mask %i\n", wall->index, wall->branch[i]->index); drawmaskleaf(wall->branch[i]); } i++; } //OSD_Printf("Drawing mask %i\n", wall->index); drawmaskwall(wall->index); } #endif static inline int32_t sameside(_equation *eq, _point2d *p1, _point2d *p2) { float sign1, sign2; sign1 = eq->a * p1->x + eq->b * p1->y + eq->c; sign2 = eq->a * p2->x + eq->b * p2->y + eq->c; sign1 = sign1 * sign2; if (sign1 > 0) { //OSD_Printf("SAME SIDE !\n"); return (1); } //OSD_Printf("OPPOSITE SIDE !\n"); return (0); } // // drawmasks // void drawmasks(void) { int32_t i, j, k, l, gap, xs, ys, xp, yp, yoff, yspan, modelp=0; // PLAG: sorting stuff _equation maskeq, p1eq, p2eq; _point2d dot, dot2, middle, pos, spr; for (i=spritesortcnt-1; i>=0; i--) tspriteptr[i] = &tsprite[i]; for (i=spritesortcnt-1; i>=0; i--) { xs = tspriteptr[i]->x-globalposx; ys = tspriteptr[i]->y-globalposy; yp = dmulscale6(xs,cosviewingrangeglobalang,ys,sinviewingrangeglobalang); #ifdef USE_OPENGL modelp = (usemodels && tile2model[tspriteptr[i]->picnum].modelid >= 0); #endif if (yp > (4<<8)) { xp = dmulscale6(ys,cosglobalang,-xs,singlobalang); if (mulscale24(labs(xp+yp),xdimen) >= yp) goto killsprite; spritesx[i] = scale(xp+yp,xdimen<<7,yp); } else if ((tspriteptr[i]->cstat&48) == 0) { killsprite: if (!modelp) { spritesortcnt--; //Delete face sprite if on wrong side! if (i == spritesortcnt) continue; tspriteptr[i] = tspriteptr[spritesortcnt]; spritesx[i] = spritesx[spritesortcnt]; spritesy[i] = spritesy[spritesortcnt]; continue; } } spritesy[i] = yp; } { gap = 1; while (gap < spritesortcnt) gap = (gap<<1)+1; for (gap>>=1; gap>0; gap>>=1) //Sort sprite list for (i=0; i=0; l-=gap) { if (spritesy[l] <= spritesy[l+gap]) break; swaplong(&tspriteptr[l],&tspriteptr[l+gap]); swaplong(&spritesx[l],&spritesx[l+gap]); swaplong(&spritesy[l],&spritesy[l+gap]); } if (spritesortcnt > 0) spritesy[spritesortcnt] = (spritesy[spritesortcnt-1]^1); ys = spritesy[0]; i = 0; for (j=1; j<=spritesortcnt; j++) { if (spritesy[j] == ys) continue; ys = spritesy[j]; if (j > i+1) { for (k=i; kz; if ((tspriteptr[k]->cstat&48) != 32) { yoff = (int32_t)((int8_t)((picanm[tspriteptr[k]->picnum]>>16)&255))+((int32_t)tspriteptr[k]->yoffset); spritesz[k] -= ((yoff*tspriteptr[k]->yrepeat)<<2); yspan = (tilesizy[tspriteptr[k]->picnum]*tspriteptr[k]->yrepeat<<2); if (!(tspriteptr[k]->cstat&128)) spritesz[k] -= (yspan>>1); if (klabs(spritesz[k]-globalposz) < (yspan>>1)) spritesz[k] = globalposz; } } for (k=i+1; kstatnum < tspriteptr[l]->statnum) { swaplong(&tspriteptr[k],&tspriteptr[l]); swaplong(&spritesx[k],&spritesx[l]); swaplong(&spritesy[k],&spritesy[l]); } } i = j; } } begindrawing(); //{{{ /*for(i=spritesortcnt-1;i>=0;i--) { xs = tspriteptr[i].x-globalposx; ys = tspriteptr[i].y-globalposy; zs = tspriteptr[i].z-globalposz; xp = ys*cosglobalang-xs*singlobalang; yp = (zs<<1); zp = xs*cosglobalang+ys*singlobalang; xs = scale(xp,halfxdimen<<12,zp)+((halfxdimen+windowx1)<<12); ys = scale(yp,xdimenscale<<12,zp)+((globalhoriz+windowy1)<<12); drawline256(xs-65536,ys-65536,xs+65536,ys+65536,31); drawline256(xs+65536,ys-65536,xs-65536,ys+65536,31); }*/ { #ifdef USE_OPENGL curpolygonoffset = 0; cullcheckcnt = 0; #endif pos.x = (float)globalposx; pos.y = (float)globalposy; while (maskwallcnt) { maskwallcnt--; #if defined(USE_OPENGL) && defined(POLYMER) if (rendmode == 4) { dot.x = (float)wall[maskwall[maskwallcnt]].x; dot.y = (float)wall[maskwall[maskwallcnt]].y; dot2.x = (float)wall[wall[maskwall[maskwallcnt]].point2].x; dot2.y = (float)wall[wall[maskwall[maskwallcnt]].point2].y; } else #endif { dot.x = (float)wall[thewall[maskwall[maskwallcnt]]].x; dot.y = (float)wall[thewall[maskwall[maskwallcnt]]].y; dot2.x = (float)wall[wall[thewall[maskwall[maskwallcnt]]].point2].x; dot2.y = (float)wall[wall[thewall[maskwall[maskwallcnt]]].point2].y; } maskeq = equation(dot.x, dot.y, dot2.x, dot2.y); p1eq = equation(pos.x, pos.y, dot.x, dot.y); p2eq = equation(pos.x, pos.y, dot2.x, dot2.y); middle.x = (dot.x + dot2.x) / 2; middle.y = (dot.y + dot2.y) / 2; i = spritesortcnt; while (i) { i--; if (tspriteptr[i] != NULL) { spr.x = (float)tspriteptr[i]->x; spr.y = (float)tspriteptr[i]->y; if ((sameside(&maskeq, &spr, &pos) == 0) && sameside(&p1eq, &middle, &spr) && sameside(&p2eq, &middle, &spr)) { drawsprite(i); tspriteptr[i] = NULL; } } } drawmaskwall(maskwallcnt); } while (spritesortcnt) { spritesortcnt--; if (tspriteptr[spritesortcnt] != NULL) drawsprite(spritesortcnt); } #ifdef USE_OPENGL if (totalclock < lastcullcheck - CULL_DELAY) lastcullcheck = totalclock; if (totalclock >= lastcullcheck + CULL_DELAY) lastcullcheck = (totalclock + CULL_DELAY); #endif } #ifdef POLYMER if (rendmode == 4) { polymer_drawmasks(); } #endif indrawroomsandmasks = 0; enddrawing(); //}}} } // // drawmapview // void drawmapview(int32_t dax, int32_t day, int32_t zoome, int16_t ang) { walltype *wal; sectortype *sec; spritetype *spr; int32_t tilenum, xoff, yoff, i, j, k, l, cosang, sinang, xspan, yspan; int32_t xrepeat, yrepeat, x, y, x1, y1, x2, y2, x3, y3, x4, y4, bakx1, baky1; int32_t s, w, ox, oy, startwall, cx1, cy1, cx2, cy2; int32_t bakgxvect, bakgyvect, sortnum, gap, npoints; int32_t xvect, yvect, xvect2, yvect2, daslope; int32_t oyxaspect=yxaspect, oviewingrange=viewingrange; setaspect(65536, divscale16((xdim*320*5)/8, xdim*200)); beforedrawrooms = 0; Bmemset(gotsector, 0, (numsectors+7)>>3); cx1 = (windowx1<<12); cy1 = (windowy1<<12); cx2 = ((windowx2+1)<<12)-1; cy2 = ((windowy2+1)<<12)-1; zoome <<= 8; bakgxvect = divscale28(sintable[(1536-ang)&2047],zoome); bakgyvect = divscale28(sintable[(2048-ang)&2047],zoome); xvect = mulscale8(sintable[(2048-ang)&2047],zoome); yvect = mulscale8(sintable[(1536-ang)&2047],zoome); xvect2 = mulscale16(xvect,yxaspect); yvect2 = mulscale16(yvect,yxaspect); sortnum = 0; begindrawing(); //{{{ for (s=0,sec=§or[s]; s>3]&pow2char[s&7]) { #ifdef YAX_ENABLE if (yax_getbunch(s, YAX_FLOOR) >= 0 && (sector[s].floorstat&(256+128))==0) continue; #endif npoints = 0; i = 0; startwall = sec->wallptr; #if 0 for (w=sec->wallnum,wal=&wall[startwall]; w>0; w--,wal++) { ox = wal->x - dax; oy = wal->y - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[npoints] = x; ry1[npoints] = y; xb1[npoints] = wal->point2 - startwall; npoints++; } #else j = startwall; l = 0; for (w=sec->wallnum,wal=&wall[startwall]; w>0; w--,wal++,j++) { k = lastwall(j); if ((k > j) && (npoints > 0)) { xb1[npoints-1] = l; l = npoints; } //overwrite point2 //wall[k].x wal->x wall[wal->point2].x //wall[k].y wal->y wall[wal->point2].y if (!dmulscale1(wal->x-wall[k].x,wall[wal->point2].y-wal->y,-(wal->y-wall[k].y),wall[wal->point2].x-wal->x)) continue; ox = wal->x - dax; oy = wal->y - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[npoints] = x; ry1[npoints] = y; xb1[npoints] = npoints+1; npoints++; } if (npoints > 0) xb1[npoints-1] = l; //overwrite point2 #endif if ((i&0xf0) != 0xf0) continue; bakx1 = rx1[0]; baky1 = mulscale16(ry1[0]-(ydim<<11),xyaspect)+(ydim<<11); if (i&0x0f) { npoints = clippoly(npoints,i); if (npoints < 3) continue; } //Collect floor sprites to draw for (i=headspritesect[s]; i>=0; i=nextspritesect[i]) if ((sprite[i].cstat&48) == 32) { if ((sprite[i].cstat&(64+8)) == (64+8)) continue; tsprite[sortnum++].owner = i; } gotsector[s>>3] |= pow2char[s&7]; globalorientation = (int32_t)sec->floorstat; if ((globalorientation&1) != 0) continue; globalpal = sec->floorpal; if (palookup[sec->floorpal] != globalpalwritten) { globalpalwritten = palookup[sec->floorpal]; if (!globalpalwritten) globalpalwritten = palookup[0]; // JBF: fixes null-pointer crash setpalookupaddress(globalpalwritten); } globalpicnum = sec->floorpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) continue; if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs((int16_t)globalpicnum,s); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); globalbufplc = waloff[globalpicnum]; globalshade = max(min(sec->floorshade,numshades-1),0); globvis = globalhisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globalpolytype = 0; if ((globalorientation&64) == 0) { globalposx = dax; globalx1 = bakgxvect; globaly1 = bakgyvect; globalposy = day; globalx2 = bakgxvect; globaly2 = bakgyvect; } else { ox = wall[wall[startwall].point2].x - wall[startwall].x; oy = wall[wall[startwall].point2].y - wall[startwall].y; i = nsqrtasm(ox*ox+oy*oy); if (i == 0) continue; i = 1048576/i; globalx1 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i); globaly1 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i); ox = (bakx1>>4)-(xdim<<7); oy = (baky1>>4)-(ydim<<7); globalposx = dmulscale28(-oy,globalx1,-ox,globaly1); globalposy = dmulscale28(-ox,globalx1,oy,globaly1); globalx2 = -globalx1; globaly2 = -globaly1; daslope = sector[s].floorheinum; i = nsqrtasm(daslope*daslope+16777216); globalposy = mulscale12(globalposy,i); globalx2 = mulscale12(globalx2,i); globaly2 = mulscale12(globaly2,i); } globalxshift = (8-(picsiz[globalpicnum]&15)); globalyshift = (8-(picsiz[globalpicnum]>>4)); if (globalorientation&8) {globalxshift++; globalyshift++; } sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,globalbufplc); if ((globalorientation&0x4) > 0) { i = globalposx; globalposx = -globalposy; globalposy = -i; i = globalx2; globalx2 = globaly1; globaly1 = i; i = globalx1; globalx1 = -globaly2; globaly2 = -i; } if ((globalorientation&0x10) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalposx = -globalposx; if ((globalorientation&0x20) > 0) globalx2 = -globalx2, globaly2 = -globaly2, globalposy = -globalposy; asm1 = (globaly1<floorxpanning)<<24); globalposy = (globalposy<<(20+globalyshift))-(((int32_t)sec->floorypanning)<<24); fillpolygon(npoints); } //Sort sprite list gap = 1; while (gap < sortnum) gap = (gap<<1)+1; for (gap>>=1; gap>0; gap>>=1) for (i=0; i=0; j-=gap) { if (sprite[tsprite[j].owner].z <= sprite[tsprite[j+gap].owner].z) break; swapshort(&tsprite[j].owner,&tsprite[j+gap].owner); } for (s=sortnum-1; s>=0; s--) { spr = &sprite[tsprite[s].owner]; if ((spr->cstat&48) == 32) { npoints = 0; tilenum = spr->picnum; xoff = (int32_t)((int8_t)((picanm[tilenum]>>8)&255))+((int32_t)spr->xoffset); yoff = (int32_t)((int8_t)((picanm[tilenum]>>16)&255))+((int32_t)spr->yoffset); if ((spr->cstat&4) > 0) xoff = -xoff; if ((spr->cstat&8) > 0) yoff = -yoff; k = spr->ang&2047; // FIXME ? See DNE_BUG_HERE cosang = sintable[(k+512)&2047]; sinang = sintable[k]; xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat; yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat; ox = ((xspan>>1)+xoff)*xrepeat; oy = ((yspan>>1)+yoff)*yrepeat; x1 = spr->x + mulscale(sinang,ox,16) + mulscale(cosang,oy,16); y1 = spr->y + mulscale(sinang,oy,16) - mulscale(cosang,ox,16); l = xspan*xrepeat; x2 = x1 - mulscale(sinang,l,16); y2 = y1 + mulscale(cosang,l,16); l = yspan*yrepeat; k = -mulscale(cosang,l,16); x3 = x2+k; x4 = x1+k; k = -mulscale(sinang,l,16); y3 = y2+k; y4 = y1+k; xb1[0] = 1; xb1[1] = 2; xb1[2] = 3; xb1[3] = 0; npoints = 4; i = 0; ox = x1 - dax; oy = y1 - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[0] = x; ry1[0] = y; ox = x2 - dax; oy = y2 - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[1] = x; ry1[1] = y; ox = x3 - dax; oy = y3 - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[2] = x; ry1[2] = y; x = rx1[0]+rx1[2]-rx1[1]; y = ry1[0]+ry1[2]-ry1[1]; i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[3] = x; ry1[3] = y; if ((i&0xf0) != 0xf0) continue; bakx1 = rx1[0]; baky1 = mulscale16(ry1[0]-(ydim<<11),xyaspect)+(ydim<<11); if (i&0x0f) { npoints = clippoly(npoints,i); if (npoints < 3) continue; } globalpicnum = spr->picnum; globalpal = spr->pal; // GL needs this, software doesn't if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) continue; if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs((int16_t)globalpicnum,s); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); globalbufplc = waloff[globalpicnum]; // 'loading' the tile doesn't actually guarantee that it's there afterwards. // This can really happen when drawing the second frame of a floor-aligned // 'storm icon' sprite (4894+1) if (!globalbufplc) continue; if ((sector[spr->sectnum].ceilingstat&1) > 0) globalshade = ((int32_t)sector[spr->sectnum].ceilingshade); else globalshade = ((int32_t)sector[spr->sectnum].floorshade); globalshade = max(min(globalshade+spr->shade+6,numshades-1),0); asm3 = FP_OFF(palookup[spr->pal]+(globalshade<<8)); globvis = globalhisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globalpolytype = ((spr->cstat&2)>>1)+1; //relative alignment stuff ox = x2-x1; oy = y2-y1; i = ox*ox+oy*oy; if (i == 0) continue; i = (65536*16384)/i; globalx1 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i); globaly1 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i); ox = y1-y4; oy = x4-x1; i = ox*ox+oy*oy; if (i == 0) continue; i = (65536*16384)/i; globalx2 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i); globaly2 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i); ox = picsiz[globalpicnum]; oy = ((ox>>4)&15); ox &= 15; if (pow2long[ox] != xspan) { ox++; globalx1 = mulscale(globalx1,xspan,ox); globaly1 = mulscale(globaly1,xspan,ox); } bakx1 = (bakx1>>4)-(xdim<<7); baky1 = (baky1>>4)-(ydim<<7); globalposx = dmulscale28(-baky1,globalx1,-bakx1,globaly1); globalposy = dmulscale28(bakx1,globalx2,-baky1,globaly2); if ((spr->cstat&2) == 0) msethlineshift(ox,oy); else { if (spr->cstat&512) settransreverse(); else settransnormal(); tsethlineshift(ox,oy); } if ((spr->cstat&0x4) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalposx = -globalposx; asm1 = (globaly1<<2); globalx1 <<= 2; globalposx <<= (20+2); asm2 = (globalx2<<2); globaly2 <<= 2; globalposy <<= (20+2); // so polymost can get the translucency. ignored in software mode: globalorientation = ((spr->cstat&2)<<7) | ((spr->cstat&512)>>2); fillpolygon(npoints); } } enddrawing(); //}}} if (r_usenewaspect) setaspect(oviewingrange, oyxaspect); else setaspect(65536, divscale16(ydim*320, xdim*200)); } // // loadboard // // flags: 1, 2: former parameter "fromwhere" // 4: don't call polymer_loadboard int32_t loadboard(char *filename, char flags, int32_t *daposx, int32_t *daposy, int32_t *daposz, int16_t *daang, int16_t *dacursectnum) { int16_t fil, i, numsprites; #ifdef POLYMER char myflags = flags&(~3); #endif flags &= 3; i = Bstrlen(filename)-1; if (filename[i] == 255) { filename[i] = 0; flags = 1; } // JBF 20040119: "compatibility" if ((fil = kopen4load(filename,flags)) == -1) { mapversion = 7; return(-1); } kread(fil,&mapversion,4); mapversion = B_LITTLE32(mapversion); #ifdef YAX_ENABLE if (mapversion != 9) #endif if (mapversion != 7 && mapversion != 8) { kclose(fil); return(-2); } #ifdef NEDMALLOC nedtrimthreadcache(0, 0); #endif initspritelists(); #define MYMAXSECTORS (mapversion==7?MAXSECTORSV7:MAXSECTORSV8) #define MYMAXWALLS (mapversion==7?MAXWALLSV7:MAXWALLSV8) #define MYMAXSPRITES (mapversion==7?MAXSPRITESV7:MAXSPRITESV8) Bmemset(show2dsector, 0, sizeof(show2dsector)); Bmemset(show2dsprite, 0, sizeof(show2dsprite)); Bmemset(show2dwall, 0, sizeof(show2dwall)); kread(fil,daposx,4); *daposx = B_LITTLE32(*daposx); kread(fil,daposy,4); *daposy = B_LITTLE32(*daposy); kread(fil,daposz,4); *daposz = B_LITTLE32(*daposz); kread(fil,daang,2); *daang = B_LITTLE16(*daang); kread(fil,dacursectnum,2); *dacursectnum = B_LITTLE16(*dacursectnum); kread(fil,&numsectors,2); numsectors = B_LITTLE16(numsectors); if (numsectors > MYMAXSECTORS) { kclose(fil); return(-1); } kread(fil,§or[0],sizeof(sectortype)*numsectors); for (i=numsectors-1; i>=0; i--) { sector[i].wallptr = B_LITTLE16(sector[i].wallptr); sector[i].wallnum = B_LITTLE16(sector[i].wallnum); sector[i].ceilingz = B_LITTLE32(sector[i].ceilingz); sector[i].floorz = B_LITTLE32(sector[i].floorz); sector[i].ceilingstat = B_LITTLE16(sector[i].ceilingstat); sector[i].floorstat = B_LITTLE16(sector[i].floorstat); sector[i].ceilingpicnum = B_LITTLE16(sector[i].ceilingpicnum); sector[i].ceilingheinum = B_LITTLE16(sector[i].ceilingheinum); sector[i].floorpicnum = B_LITTLE16(sector[i].floorpicnum); sector[i].floorheinum = B_LITTLE16(sector[i].floorheinum); sector[i].lotag = B_LITTLE16(sector[i].lotag); sector[i].hitag = B_LITTLE16(sector[i].hitag); sector[i].extra = B_LITTLE16(sector[i].extra); } kread(fil,&numwalls,2); numwalls = B_LITTLE16(numwalls); if (numwalls > MYMAXWALLS) { kclose(fil); return(-1); } kread(fil,&wall[0],sizeof(walltype)*numwalls); for (i=numwalls-1; i>=0; i--) { wall[i].x = B_LITTLE32(wall[i].x); wall[i].y = B_LITTLE32(wall[i].y); wall[i].point2 = B_LITTLE16(wall[i].point2); wall[i].nextwall = B_LITTLE16(wall[i].nextwall); wall[i].nextsector = B_LITTLE16(wall[i].nextsector); wall[i].cstat = B_LITTLE16(wall[i].cstat); wall[i].picnum = B_LITTLE16(wall[i].picnum); wall[i].overpicnum = B_LITTLE16(wall[i].overpicnum); wall[i].lotag = B_LITTLE16(wall[i].lotag); wall[i].hitag = B_LITTLE16(wall[i].hitag); wall[i].extra = B_LITTLE16(wall[i].extra); } kread(fil,&numsprites,2); numsprites = B_LITTLE16(numsprites); if (numsprites > MYMAXSPRITES) { kclose(fil); return(-1); } kread(fil,&sprite[0],sizeof(spritetype)*numsprites); for (i=numsprites-1; i>=0; i--) { sprite[i].x = B_LITTLE32(sprite[i].x); sprite[i].y = B_LITTLE32(sprite[i].y); sprite[i].z = B_LITTLE32(sprite[i].z); sprite[i].cstat = B_LITTLE16(sprite[i].cstat); sprite[i].picnum = B_LITTLE16(sprite[i].picnum); sprite[i].sectnum = B_LITTLE16(sprite[i].sectnum); sprite[i].statnum = B_LITTLE16(sprite[i].statnum); sprite[i].ang = B_LITTLE16(sprite[i].ang); sprite[i].owner = B_LITTLE16(sprite[i].owner); sprite[i].xvel = B_LITTLE16(sprite[i].xvel); sprite[i].yvel = B_LITTLE16(sprite[i].yvel); sprite[i].zvel = B_LITTLE16(sprite[i].zvel); sprite[i].lotag = B_LITTLE16(sprite[i].lotag); sprite[i].hitag = B_LITTLE16(sprite[i].hitag); sprite[i].extra = B_LITTLE16(sprite[i].extra); if (sprite[i].sectnum<0||sprite[i].sectnum>=MYMAXSECTORS) { initprintf(OSD_ERROR "Map error: sprite #%d(%d,%d) with illegal sector(%d). Map is corrupt!\n", i,sprite[i].x,sprite[i].y,sprite[i].sectnum); updatesector(sprite[i].x, sprite[i].y, &sprite[i].sectnum); if (sprite[i].sectnum < 0) sprite[i].sectnum = 0; } if (sprite[i].statnum<0||sprite[i].statnum>=MAXSTATUS) { initprintf(OSD_ERROR "Map error: sprite #%d(%d,%d) with illegal statnum(%d). Map is corrupt!\n", i,sprite[i].x,sprite[i].y,sprite[i].statnum); sprite[i].statnum = 0; } if (sprite[i].picnum<0||sprite[i].picnum>=MAXTILES) { initprintf(OSD_ERROR "Map error: sprite #%d(%d,%d) with illegal picnum(%d). Map is corrupt!\n", i,sprite[i].x,sprite[i].y,sprite[i].picnum); sprite[i].picnum = 0; } } #ifdef YAX_ENABLE yax_update(mapversion<9); if (editstatus) yax_updategrays(*daposz); #endif for (i=0; i= startwall) && (theline <= endwall)) { sucksect = i; break; } } return(sucksect); } static void convertv5sectv6(struct sectortypev5 *from, struct sectortypev6 *to) { to->wallptr = from->wallptr; to->wallnum = from->wallnum; to->ceilingpicnum = from->ceilingpicnum; to->floorpicnum = from->floorpicnum; to->ceilingheinum = from->ceilingheinum; to->floorheinum = from->floorheinum; to->ceilingz = from->ceilingz; to->floorz = from->floorz; to->ceilingshade = from->ceilingshade; to->floorshade = from->floorshade; to->ceilingxpanning = from->ceilingxpanning; to->floorxpanning = from->floorxpanning; to->ceilingypanning = from->ceilingypanning; to->floorypanning = from->floorypanning; to->ceilingstat = from->ceilingstat; to->floorstat = from->floorstat; to->ceilingpal = from->ceilingpal; to->floorpal = from->floorpal; to->visibility = from->visibility; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv5wallv6(struct walltypev5 *from, struct walltypev6 *to, int32_t i) { to->x = from->x; to->y = from->y; to->point2 = from->point2; to->nextsector = from->nextsector1; to->nextwall = from->nextwall1; to->picnum = from->picnum; to->overpicnum = from->overpicnum; to->shade = from->shade; to->pal = sector[sectorofwallv5((int16_t)i)].floorpal; to->cstat = from->cstat; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xpanning = from->xpanning; to->ypanning = from->ypanning; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv5sprv6(struct spritetypev5 *from, struct spritetypev6 *to) { int16_t j; to->x = from->x; to->y = from->y; to->z = from->z; to->cstat = from->cstat; to->shade = from->shade; j = from->sectnum; if ((sector[j].ceilingstat&1) > 0) to->pal = sector[j].ceilingpal; else to->pal = sector[j].floorpal; to->clipdist = 32; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xoffset = 0; to->yoffset = 0; to->picnum = from->picnum; to->ang = from->ang; to->xvel = from->xvel; to->yvel = from->yvel; to->zvel = from->zvel; to->owner = from->owner; to->sectnum = from->sectnum; to->statnum = from->statnum; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv6sectv7(struct sectortypev6 *from, sectortype *to) { to->ceilingz = from->ceilingz; to->floorz = from->floorz; to->wallptr = from->wallptr; to->wallnum = from->wallnum; to->ceilingpicnum = from->ceilingpicnum; to->ceilingheinum = max(min(((int32_t)from->ceilingheinum)<<5,32767),-32768); if ((from->ceilingstat&2) == 0) to->ceilingheinum = 0; to->ceilingshade = from->ceilingshade; to->ceilingpal = from->ceilingpal; to->ceilingxpanning = from->ceilingxpanning; to->ceilingypanning = from->ceilingypanning; to->floorpicnum = from->floorpicnum; to->floorheinum = max(min(((int32_t)from->floorheinum)<<5,32767),-32768); if ((from->floorstat&2) == 0) to->floorheinum = 0; to->floorshade = from->floorshade; to->floorpal = from->floorpal; to->floorxpanning = from->floorxpanning; to->floorypanning = from->floorypanning; to->ceilingstat = from->ceilingstat; to->floorstat = from->floorstat; to->visibility = from->visibility; to->filler = 0; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv6wallv7(struct walltypev6 *from, walltype *to) { to->x = from->x; to->y = from->y; to->point2 = from->point2; to->nextwall = from->nextwall; to->nextsector = from->nextsector; to->cstat = from->cstat; to->picnum = from->picnum; to->overpicnum = from->overpicnum; to->shade = from->shade; to->pal = from->pal; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xpanning = from->xpanning; to->ypanning = from->ypanning; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv6sprv7(struct spritetypev6 *from, spritetype *to) { to->x = from->x; to->y = from->y; to->z = from->z; to->cstat = from->cstat; to->picnum = from->picnum; to->shade = from->shade; to->pal = from->pal; to->clipdist = from->clipdist; to->filler = 0; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xoffset = from->xoffset; to->yoffset = from->yoffset; to->sectnum = from->sectnum; to->statnum = from->statnum; to->ang = from->ang; to->owner = from->owner; to->xvel = from->xvel; to->yvel = from->yvel; to->zvel = from->zvel; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } // Powerslave uses v6 // Witchaven 1 and TekWar and LameDuke use v5 int32_t loadoldboard(char *filename, char fromwhere, int32_t *daposx, int32_t *daposy, int32_t *daposz, int16_t *daang, int16_t *dacursectnum) { int16_t fil, i, numsprites; struct sectortypev5 v5sect; struct walltypev5 v5wall; struct spritetypev5 v5spr; struct sectortypev6 v6sect; struct walltypev6 v6wall; struct spritetypev6 v6spr; i = Bstrlen(filename)-1; if (filename[i] == 255) { filename[i] = 0; fromwhere = 1; } // JBF 20040119: "compatibility" if ((fil = kopen4load(filename,fromwhere)) == -1) { mapversion = 5L; return(-1); } kread(fil,&mapversion,4); mapversion = B_LITTLE32(mapversion); if (mapversion != 5L && mapversion != 6L) { kclose(fil); return(-2); } initspritelists(); Bmemset(show2dsector, 0, sizeof(show2dsector)); Bmemset(show2dsprite, 0, sizeof(show2dsprite)); Bmemset(show2dwall, 0, sizeof(show2dwall)); kread(fil,daposx,4); *daposx = B_LITTLE32(*daposx); kread(fil,daposy,4); *daposy = B_LITTLE32(*daposy); kread(fil,daposz,4); *daposz = B_LITTLE32(*daposz); kread(fil,daang,2); *daang = B_LITTLE16(*daang); kread(fil,dacursectnum,2); *dacursectnum = B_LITTLE16(*dacursectnum); kread(fil,&numsectors,2); numsectors = B_LITTLE16(numsectors); if (numsectors > MAXSECTORS) { kclose(fil); return(-1); } for (i=0; i MAXWALLS) { kclose(fil); return(-1); } for (i=0; i MAXSPRITES) { kclose(fil); return(-1); } for (i=0; i= 0) polymer_deletelight(maphacklight[i]); maphacklight[i] = -1; } maphacklightcnt = 0; } #else void delete_maphack_lights() {} #endif // // loadmaphack // int32_t loadmaphack(const char *filename) { #ifdef USE_OPENGL enum { T_EOF = -2, T_ERROR = -1, T_SPRITE = 0, T_ANGOFF, T_NOMODEL, T_NOANIM, T_PITCH, T_ROLL, T_MDXOFF, T_MDYOFF, T_MDZOFF, T_AWAY1, T_AWAY2, T_LIGHT, }; static struct { const char *text; int32_t tokenid; } legaltokens[] = { { "sprite", T_SPRITE }, { "angleoff", T_ANGOFF }, { "angoff", T_ANGOFF }, { "notmd2", T_NOMODEL }, { "notmd3", T_NOMODEL }, { "notmd", T_NOMODEL }, { "nomd2anim", T_NOANIM }, { "nomd3anim", T_NOANIM }, { "nomdanim", T_NOANIM }, { "pitch", T_PITCH }, { "roll", T_ROLL }, { "mdxoff", T_MDXOFF }, { "mdyoff", T_MDYOFF }, { "mdzoff", T_MDZOFF }, { "away1", T_AWAY1 }, { "away2", T_AWAY2 }, { "light", T_LIGHT }, { NULL, -1 } }; scriptfile *script = NULL; char *tok, *cmdtokptr; int32_t i; int32_t whichsprite = -1; static char fn[BMAX_PATH]; #ifdef POLYMER int32_t toomanylights = 0; delete_maphack_lights(); #endif if (filename) { Bmemset(spriteext, 0, sizeof(spriteext_t) * MAXSPRITES); Bmemset(spritesmooth, 0, sizeof(spritesmooth_t) *(MAXSPRITES+MAXUNIQHUDID)); Bstrcpy(fn, filename); script = scriptfile_fromfile(filename); } else if (fn[0]) { // re-load script = scriptfile_fromfile(fn); } if (!script) { fn[0] = 0; return -1; } while (1) { tok = scriptfile_gettoken(script); if (!tok) break; for (i=0; legaltokens[i].text; i++) if (!Bstrcasecmp(tok,legaltokens[i].text)) break; cmdtokptr = script->ltextptr; if (!filename && legaltokens[i].tokenid != T_LIGHT) continue; switch (legaltokens[i].tokenid) { case T_SPRITE: // sprite if (scriptfile_getnumber(script, &whichsprite)) break; if ((unsigned)whichsprite >= (unsigned)MAXSPRITES) { // sprite number out of range initprintf("Sprite number out of range 0-%d on line %s:%d\n", MAXSPRITES-1,script->filename, scriptfile_getlinum(script,cmdtokptr)); whichsprite = -1; break; } break; case T_ANGOFF: // angoff { int32_t ang; if (scriptfile_getnumber(script, &ang)) break; if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring angle offset directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].angoff = (int16_t)ang; } break; case T_NOMODEL: // notmd if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring not-MD2/MD3 directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].flags |= SPREXT_NOTMD; break; case T_NOANIM: // nomdanim if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring no-MD2/MD3-anim directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].flags |= SPREXT_NOMDANIM; break; case T_PITCH: // pitch { int32_t pitch; if (scriptfile_getnumber(script, &pitch)) break; if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring pitch directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].pitch = (int16_t)pitch; } break; case T_ROLL: // roll { int32_t roll; if (scriptfile_getnumber(script, &roll)) break; if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring roll directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].roll = (int16_t)roll; } break; case T_MDXOFF: // mdxoff { int32_t i; if (scriptfile_getnumber(script, &i)) break; if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring mdxoff directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].xoff = i; } break; case T_MDYOFF: // mdyoff { int32_t i; if (scriptfile_getnumber(script, &i)) break; if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring mdyoff directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].yoff = i; } break; case T_MDZOFF: // mdzoff { int32_t i; if (scriptfile_getnumber(script, &i)) break; if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring mdzoff directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].zoff = i; } break; case T_AWAY1: // away1 if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring moving away directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].flags |= SPREXT_AWAY1; break; case T_AWAY2: // away2 if (whichsprite < 0) { // no sprite directive preceeding initprintf("Ignoring moving away directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].flags |= SPREXT_AWAY2; break; #ifdef POLYMER case T_LIGHT: // light sector x y z range r g b radius faderadius angle horiz minshade maxshade priority tilenum { int32_t value; int16_t lightid; #pragma pack(push,1) _prlight light; #pragma pack(pop) if (toomanylights) break; // ignore further light defs scriptfile_getnumber(script, &value); light.sector = value; scriptfile_getnumber(script, &value); light.x = value; scriptfile_getnumber(script, &value); light.y = value; scriptfile_getnumber(script, &value); light.z = value; scriptfile_getnumber(script, &value); light.range = value; scriptfile_getnumber(script, &value); light.color[0] = value; scriptfile_getnumber(script, &value); light.color[1] = value; scriptfile_getnumber(script, &value); light.color[2] = value; scriptfile_getnumber(script, &value); light.radius = value; scriptfile_getnumber(script, &value); light.faderadius = value; scriptfile_getnumber(script, &value); light.angle = value; scriptfile_getnumber(script, &value); light.horiz = value; scriptfile_getnumber(script, &value); light.minshade = value; scriptfile_getnumber(script, &value); light.maxshade = value; scriptfile_getnumber(script, &value); light.priority = value; scriptfile_getnumber(script, &value); light.tilenum = value; if (rendmode == 4) { if (maphacklightcnt == PR_MAXLIGHTS) { initprintf("warning: max light count %d exceeded, " "ignoring further light defs\n", PR_MAXLIGHTS); toomanylights = 1; break; } lightid = polymer_addlight(&light); if (lightid>=0) maphacklight[maphacklightcnt++] = lightid; } break; } #endif // POLYMER default: // unrecognised token break; } } scriptfile_close(script); return 0; #else UNREFERENCED_PARAMETER(filename); return -1; #endif } // // saveboard // int32_t saveboard(const char *filename, int32_t *daposx, int32_t *daposy, int32_t *daposz, int16_t *daang, int16_t *dacursectnum) { int16_t fil, i, j, numsprites, ts; int32_t tl; sectortype *tsect = NULL; walltype *twall = NULL; spritetype *tspri = NULL; sectortype *sec; walltype *wal; spritetype *spri; if ((fil = Bopen(filename,BO_BINARY|BO_TRUNC|BO_CREAT|BO_WRONLY,BS_IREAD|BS_IWRITE)) == -1) { initprintf("Couldn't open \"%s\" for writing: %s\n", filename, strerror(errno)); return(-1); } for (j=0; j MAXSTATUS) { initprintf("Map error: sprite #%d(%d,%d) with an illegal statnum(%d)\n", j,sprite[j].x,sprite[j].y,sprite[j].statnum); changespritestat(j,0); } if ((unsigned)sprite[j].sectnum > MAXSECTORS) { initprintf("Map error: sprite #%d(%d,%d) with an illegal sectnum(%d)\n", j,sprite[j].x,sprite[j].y,sprite[j].sectnum); changespritesect(j,0); } } numsprites = 0; for (j=0; j 0) mapversion = 9; else #endif if (numsectors > MAXSECTORSV7 || numwalls > MAXWALLSV7 || numsprites > MAXSPRITESV7) mapversion = 8; else mapversion = 7; tl = B_LITTLE32(mapversion); Bwrite(fil,&tl,4); tl = B_LITTLE32(*daposx); Bwrite(fil,&tl,4); tl = B_LITTLE32(*daposy); Bwrite(fil,&tl,4); tl = B_LITTLE32(*daposz); Bwrite(fil,&tl,4); ts = B_LITTLE16(*daang); Bwrite(fil,&ts,2); ts = B_LITTLE16(*dacursectnum); Bwrite(fil,&ts,2); ts = B_LITTLE16(numsectors); Bwrite(fil,&ts,2); while (1) { tsect = (sectortype *)Bmalloc(sizeof(sectortype) * numsectors); if (tsect == NULL) break; Bmemcpy(&tsect[0], §or[0], sizeof(sectortype) * numsectors); for (i=0; iwallptr = B_LITTLE16(sec->wallptr); sec->wallnum = B_LITTLE16(sec->wallnum); sec->ceilingz = B_LITTLE32(sec->ceilingz); sec->floorz = B_LITTLE32(sec->floorz); sec->ceilingstat = B_LITTLE16(sec->ceilingstat); sec->floorstat = B_LITTLE16(sec->floorstat); sec->ceilingpicnum = B_LITTLE16(sec->ceilingpicnum); sec->ceilingheinum = B_LITTLE16(sec->ceilingheinum); sec->floorpicnum = B_LITTLE16(sec->floorpicnum); sec->floorheinum = B_LITTLE16(sec->floorheinum); sec->lotag = B_LITTLE16(sec->lotag); sec->hitag = B_LITTLE16(sec->hitag); sec->extra = B_LITTLE16(sec->extra); #ifdef YAX_ENABLE if (editstatus == 0) { // if in-game, pack game-time bunchnum data back into structs int32_t cf, bn; for (cf=0; cf<2; cf++) if ((bn=yax_getbunch(i, cf)) >= 0) YAX_PTRBUNCHNUM(tsect, i, cf) = bn; } #endif } Bwrite(fil,&tsect[0],sizeof(sectortype) * numsectors); Bfree(tsect); ts = B_LITTLE16(numwalls); Bwrite(fil,&ts,2); twall = (walltype *)Bmalloc(sizeof(walltype) * numwalls); if (twall == NULL) break; Bmemcpy(&twall[0], &wall[0], sizeof(walltype) * numwalls); for (i=0; ix = B_LITTLE32(wal->x); wal->y = B_LITTLE32(wal->y); wal->point2 = B_LITTLE16(wal->point2); wal->nextwall = B_LITTLE16(wal->nextwall); wal->nextsector = B_LITTLE16(wal->nextsector); wal->cstat = B_LITTLE16(wal->cstat); wal->picnum = B_LITTLE16(wal->picnum); wal->overpicnum = B_LITTLE16(wal->overpicnum); #ifdef YAX_ENABLE if (editstatus == 0) { // if in-game, pack game-time yax-nextwall data back into structs int16_t ynw; if ((ynw=yax_getnextwall(i, YAX_CEILING))>=0) YAX_PTRNEXTWALL(twall,i,YAX_CEILING) = ynw; if ((ynw=yax_getnextwall(i, YAX_FLOOR))>=0) YAX_PTRNEXTWALL(twall,i,YAX_FLOOR) = ynw; } #endif wal->lotag = B_LITTLE16(wal->lotag); wal->hitag = B_LITTLE16(wal->hitag); wal->extra = B_LITTLE16(wal->extra); } Bwrite(fil,&twall[0],sizeof(walltype) * numwalls); Bfree(twall); ts = B_LITTLE16(numsprites); Bwrite(fil,&ts,2); if (numsprites > 0) { tspri = (spritetype *)Bmalloc(sizeof(spritetype) * numsprites); if (tspri == NULL) break; spri=tspri; for (j=0; jx = B_LITTLE32(spri->x); spri->y = B_LITTLE32(spri->y); spri->z = B_LITTLE32(spri->z); spri->cstat = B_LITTLE16(spri->cstat); spri->picnum = B_LITTLE16(spri->picnum); spri->sectnum = B_LITTLE16(spri->sectnum); spri->statnum = B_LITTLE16(spri->statnum); spri->ang = B_LITTLE16(spri->ang); spri->owner = B_LITTLE16(spri->owner); spri->xvel = B_LITTLE16(spri->xvel); spri->yvel = B_LITTLE16(spri->yvel); spri->zvel = B_LITTLE16(spri->zvel); spri->lotag = B_LITTLE16(spri->lotag); spri->hitag = B_LITTLE16(spri->hitag); spri->extra = B_LITTLE16(spri->extra); spri++; } } Bwrite(fil,&tspri[0],sizeof(spritetype) * numsprites); Bfree(tspri); } Bclose(fil); return(0); } Bclose(fil); if (tsect != NULL) Bfree(tsect); if (twall != NULL) Bfree(twall); if (tspri != NULL) Bfree(tspri); return(-1); } // // setgamemode // // JBF: davidoption now functions as a windowed-mode flag (0 == windowed, 1 == fullscreen) extern char videomodereset; int32_t setgamemode(char davidoption, int32_t daxdim, int32_t daydim, int32_t dabpp) { int32_t i, j; #ifdef USE_OPENGL extern char nogl; if (nogl) dabpp = 8; #endif daxdim = max(320, daxdim); daydim = max(200, daydim); if ((qsetmode == 200) && (videomodereset == 0) && (davidoption == fullscreen) && (xdim == daxdim) && (ydim == daydim) && (bpp == dabpp)) return(0); Bstrcpy(kensmessage,"!!!! BUILD engine&tools programmed by Ken Silverman of E.G. RI." " (c) Copyright 1995 Ken Silverman. Summary: BUILD = Ken. !!!!"); // if (getkensmessagecrc(FP_OFF(kensmessage)) != 0x56c764d4) // { OSD_Printf("Nice try.\n"); exit(0); } //if (checkvideomode(&daxdim, &daydim, dabpp, davidoption)<0) return (-1); //bytesperline is set in this function j = bpp; g_lastpalettesum = 0; if (setvideomode(daxdim,daydim,dabpp,davidoption) < 0) return(-1); // Workaround possible bugs in the GL driver makeasmwriteable(); #ifdef USE_OPENGL if (dabpp > 8) rendmode = glrendmode; // GL renderer else if (dabpp == 8 && j > 8) rendmode = 0; // going from GL to software activates softpolymost #endif xdim = daxdim; ydim = daydim; j = ydim*4*sizeof(intptr_t); //Leave room for horizlookup&horizlookup2 if (lookups != NULL) Bfree((void *)lookups); lookups = Bmalloc(j<<1); if (lookups == NULL) { initprintf("OUT OF MEMORY in setgamemode!\n"); uninitengine(); exit(1); } horizlookup = lookups; horizlookup2 = (intptr_t *)((intptr_t)lookups+j); // FIXME_SA horizycent = ((ydim*4)>>1); //Force drawrooms to call dosetaspect & recalculate stuff oxyaspect = oxdimen = oviewingrange = -1; setvlinebpl(bytesperline); j = 0; for (i=0; i<=ydim; i++) ylookup[i] = j, j += bytesperline; setview(0L,0L,xdim-1,ydim-1); clearallviews(0L); setbrightness(curbrightness,0,0); if (searchx < 0) { searchx = halfxdimen; searchy = (ydimen>>1); } #ifdef USE_OPENGL if (rendmode >= 3) { polymost_glreset(); polymost_glinit(); } # ifdef POLYMER if (rendmode == 4) { if (!polymer_init()) rendmode = 3; } #endif #endif qsetmode = 200; return(0); } // // nextpage // void nextpage(void) { int32_t i; permfifotype *per; //char snotbuf[32]; //j = 0; k = 0; //for(i=0;i<4096;i++) // if (waloff[i] != 0) // { // sprintf(snotbuf,"%d-%d",i,tilesizx[i]*tilesizy[i]); // printext256((j>>5)*40+32,(j&31)*6,walock[i]>>3,-1,snotbuf,1); // k += tilesizx[i]*tilesizy[i]; // j++; // } //sprintf(snotbuf,"Total: %d",k); //printext256((j>>5)*40+32,(j&31)*6,31,-1,snotbuf,1); switch (qsetmode) { case 200: begindrawing(); //{{{ for (i=permtail; i!=permhead; i=((i+1)&(MAXPERMS-1))) { per = &permfifo[i]; if ((per->pagesleft > 0) && (per->pagesleft <= numpages)) dorotatesprite(per->sx,per->sy,per->z,per->a,per->picnum, per->dashade,per->dapalnum,per->dastat, per->cx1,per->cy1,per->cx2,per->cy2,per->uniqid); } enddrawing(); //}}} OSD_Draw(); showframe(0); begindrawing(); //{{{ for (i=permtail; i!=permhead; i=((i+1)&(MAXPERMS-1))) { per = &permfifo[i]; if (per->pagesleft >= 130) dorotatesprite(per->sx,per->sy,per->z,per->a,per->picnum, per->dashade,per->dapalnum,per->dastat, per->cx1,per->cy1,per->cx2,per->cy2,per->uniqid); if (per->pagesleft&127) per->pagesleft--; if (((per->pagesleft&127) == 0) && (i == permtail)) permtail = ((permtail+1)&(MAXPERMS-1)); } enddrawing(); //}}} break; case 350: case 480: break; } faketimerhandler(); if ((totalclock >= lastageclock+CACHEAGETIME) || (totalclock < lastageclock)) { lastageclock = totalclock; agecache(); } #ifdef USE_OPENGL omdtims = mdtims; mdtims = getticks(); { int32_t i; for (i=0; i= MAXTILES || (uint32_t)localtileend >= MAXTILES) { initprintf("loadpics: Invalid localtilestart or localtileend in %s\n", artfilename); kclose(fil); continue; } if (localtileend <= localtilestart) { initprintf("loadpics: localtileend <= localtilestart in %s\n", artfilename); kclose(fil); continue; } kread(fil,&tilesizx[localtilestart],(localtileend-localtilestart+1)<<1); kread(fil,&tilesizy[localtilestart],(localtileend-localtilestart+1)<<1); kread(fil,&picanm[localtilestart],(localtileend-localtilestart+1)<<2); for (i=localtilestart; i<=localtileend; i++) { tilesizx[i] = B_LITTLE16(tilesizx[i]); tilesizy[i] = B_LITTLE16(tilesizy[i]); picanm[i] = B_LITTLE32(picanm[i]); } offscount = 4+4+4+4+((localtileend-localtilestart+1)<<3); for (i=localtilestart; i<=localtileend; i++) { tilefilenum[i] = tilefilei; tilefileoffs[i] = offscount; dasiz = (int32_t)(tilesizx[i]*tilesizy[i]); offscount += dasiz; artsize += ((dasiz+15)&0xfffffff0); } #ifdef WITHKPLIB if (filegrp[fil] == 254) // from zip { i = kfilelength(fil); artptrs[tilefilei] = Brealloc(artptrs[tilefilei], i); klseek(fil, 0, BSEEK_SET); kread(fil, artptrs[tilefilei], i); } #endif kclose(fil); } } Bmemset(gotpic, 0, sizeof(gotpic)); //cachesize = min((int32_t)((Bgetsysmemsize()/100)*60),max(artsize,askedsize)); if (Bgetsysmemsize() <= (uint32_t)askedsize) cachesize = (Bgetsysmemsize()/100)*60; else cachesize = askedsize; while ((pic = Bmalloc(cachesize)) == NULL) { cachesize -= 65536; if (cachesize < 65536) return(-1); } initcache((intptr_t)pic, cachesize); for (i=0; i 1) && (pow2long[j] > tilesizx[i])) j--; picsiz[i] = ((uint8_t)j); j = 15; while ((j > 1) && (pow2long[j] > tilesizy[i])) j--; picsiz[i] += ((uint8_t)(j<<4)); } artfil = -1; artfilnum = -1; artfilplc = 0L; return(0); } // // loadtile // void loadtile(int16_t tilenume) { int32_t i, dasiz; if ((unsigned)tilenume >= (unsigned)MAXTILES) return; if ((dasiz = tilesizx[tilenume]*tilesizy[tilenume]) <= 0) return; #ifdef WITHKPLIB i = tilefilenum[tilenume]; if (artptrs[i]) // from zip { waloff[tilenume] = (intptr_t)(artptrs[i]) + tilefileoffs[tilenume]; faketimerhandler(); // OSD_Printf("loaded tile %d from zip\n", tilenume); return; } #endif if (i != artfilnum) { if (artfil != -1) kclose(artfil); artfilnum = i; artfilplc = 0L; artfilename[7] = (i%10)+48; artfilename[6] = ((i/10)%10)+48; artfilename[5] = ((i/100)%10)+48; artfil = kopen4load(artfilename,0); faketimerhandler(); } // if (cachedebug) OSD_Printf("Tile:%d\n",tilenume); // dummy tiles for highres replacements and tilefromtexture definitions if (faketilesiz[tilenume]) { if (faketilesiz[tilenume] == -1) { walock[tilenume] = 255; // permanent tile allocache(&waloff[tilenume], dasiz, &walock[tilenume]); Bmemset((char *)waloff[tilenume],0,dasiz); } else if (faketiledata[tilenume] != NULL) { walock[tilenume] = 255; allocache(&waloff[tilenume], dasiz, &walock[tilenume]); qlz_decompress(faketiledata[tilenume], (char *)waloff[tilenume], state_decompress); Bfree(faketiledata[tilenume]); faketiledata[tilenume] = NULL; } faketimerhandler(); return; } if (waloff[tilenume] == 0) { walock[tilenume] = 199; allocache(&waloff[tilenume],dasiz,&walock[tilenume]); } if (artfilplc != tilefileoffs[tilenume]) { klseek(artfil,tilefileoffs[tilenume]-artfilplc,BSEEK_CUR); faketimerhandler(); } kread(artfil, (char *)waloff[tilenume], dasiz); faketimerhandler(); artfilplc = tilefileoffs[tilenume]+dasiz; } // // allocatepermanenttile // int32_t allocatepermanenttile(int16_t tilenume, int32_t xsiz, int32_t ysiz) { int32_t j, dasiz; if ((xsiz <= 0) || (ysiz <= 0) || ((unsigned)tilenume >= (unsigned)MAXTILES)) return(0); dasiz = xsiz*ysiz; walock[tilenume] = 255; allocache(&waloff[tilenume],dasiz,&walock[tilenume]); tilesizx[tilenume] = xsiz; tilesizy[tilenume] = ysiz; picanm[tilenume] = 0; j = 15; while ((j > 1) && (pow2long[j] > xsiz)) j--; picsiz[tilenume] = ((uint8_t)j); j = 15; while ((j > 1) && (pow2long[j] > ysiz)) j--; picsiz[tilenume] += ((uint8_t)(j<<4)); return(waloff[tilenume]); } #if 0 // // copytilepiece // void copytilepiece(int32_t tilenume1, int32_t sx1, int32_t sy1, int32_t xsiz, int32_t ysiz, int32_t tilenume2, int32_t sx2, int32_t sy2) { char *ptr1, *ptr2, dat; int32_t xsiz1, ysiz1, xsiz2, ysiz2, i, j, x1, y1, x2, y2; xsiz1 = tilesizx[tilenume1]; ysiz1 = tilesizy[tilenume1]; xsiz2 = tilesizx[tilenume2]; ysiz2 = tilesizy[tilenume2]; if ((xsiz1 > 0) && (ysiz1 > 0) && (xsiz2 > 0) && (ysiz2 > 0)) { if (waloff[tilenume1] == 0) loadtile(tilenume1); if (waloff[tilenume2] == 0) loadtile(tilenume2); x1 = sx1; for (i=0; i= 0) && (y2 >= 0) && (x2 < xsiz2) && (y2 < ysiz2)) { ptr1 = (char *)(waloff[tilenume1] + x1*ysiz1 + y1); ptr2 = (char *)(waloff[tilenume2] + x2*ysiz2 + y2); dat = *ptr1; if (dat != 255) *ptr2 = *ptr1; } y1++; if (y1 >= ysiz1) y1 = 0; } x1++; if (x1 >= xsiz1) x1 = 0; } } } #endif // // qloadkvx // int32_t qloadkvx(int32_t voxindex, const char *filename) { int32_t i, fil, dasiz, lengcnt, lengtot; char *ptr; if ((fil = kopen4load(filename,0)) == -1) return -1; lengcnt = 0; lengtot = kfilelength(fil); for (i=0; i= lengtot-768) break; } kclose(fil); #ifdef USE_OPENGL if (voxmodels[voxindex]) { voxfree(voxmodels[voxindex]); voxmodels[voxindex] = NULL; } voxmodels[voxindex] = voxload(filename); #endif return 0; } // // clipinsidebox // int32_t clipinsidebox(int32_t x, int32_t y, int16_t wallnum, int32_t walldist) { walltype *wal; int32_t x1, y1, x2, y2, r; r = (walldist<<1); wal = &wall[wallnum]; x1 = wal->x+walldist-x; y1 = wal->y+walldist-y; wal = &wall[wal->point2]; x2 = wal->x+walldist-x; y2 = wal->y+walldist-y; if ((x1 < 0) && (x2 < 0)) return(0); if ((y1 < 0) && (y2 < 0)) return(0); if ((x1 >= r) && (x2 >= r)) return(0); if ((y1 >= r) && (y2 >= r)) return(0); x2 -= x1; y2 -= y1; if (x2*(walldist-y1) >= y2*(walldist-x1)) //Front { if (x2 > 0) x2 *= (0-y1); else x2 *= (r-y1); if (y2 > 0) y2 *= (r-x1); else y2 *= (0-x1); return(x2 < y2); } if (x2 > 0) x2 *= (r-y1); else x2 *= (0-y1); if (y2 > 0) y2 *= (0-x1); else y2 *= (r-x1); return((x2 >= y2)<<1); } // // clipinsideboxline // int32_t clipinsideboxline(int32_t x, int32_t y, int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t walldist) { int32_t r; r = (walldist<<1); x1 += walldist-x; x2 += walldist-x; if ((x1 < 0) && (x2 < 0)) return(0); if ((x1 >= r) && (x2 >= r)) return(0); y1 += walldist-y; y2 += walldist-y; if ((y1 < 0) && (y2 < 0)) return(0); if ((y1 >= r) && (y2 >= r)) return(0); x2 -= x1; y2 -= y1; if (x2*(walldist-y1) >= y2*(walldist-x1)) //Front { if (x2 > 0) x2 *= (0-y1); else x2 *= (r-y1); if (y2 > 0) y2 *= (r-x1); else y2 *= (0-x1); return(x2 < y2); } if (x2 > 0) x2 *= (r-y1); else x2 *= (0-y1); if (y2 > 0) y2 *= (0-x1); else y2 *= (r-x1); return((x2 >= y2)<<1); } // // inside // int32_t inside(int32_t x, int32_t y, int16_t sectnum) { walltype *wal; int32_t i, x1, y1, x2, y2; uint32_t cnt; if ((sectnum < 0) || (sectnum >= numsectors)) return(-1); cnt = 0; wal = &wall[sector[sectnum].wallptr]; i = sector[sectnum].wallnum; do { y1 = wal->y-y; y2 = wall[wal->point2].y-y; if ((y1^y2) < 0) { x1 = wal->x-x; x2 = wall[wal->point2].x-x; if ((x1^x2) >= 0) cnt ^= x1; else cnt ^= (x1*y2-x2*y1)^y2; } wal++; i--; } while (i); return(cnt>>31); } // // ksqrt // int32_t ksqrt(int32_t num) { return(nsqrtasm(num)); } // // krecip // int32_t krecip(int32_t num) { return(krecipasm(num)); } void spriteheightofs(int16_t i, int32_t *height, int32_t *zofs, int32_t alsotileyofs) { int32_t hei, flooraligned=((sprite[i].cstat&48)==32); if (zofs) *zofs = 0; if (flooraligned) { if (height) *height = 0; return; } hei = (tilesizy[sprite[i].picnum]*sprite[i].yrepeat)<<2; if (zofs) { if (sprite[i].cstat&128) *zofs = hei>>1; if (alsotileyofs && (unsigned)sprite[i].picnum < MAXTILES) if (picanm[sprite[i].picnum]&0x00ff0000) *zofs -= ((int8_t)((picanm[sprite[i].picnum]>>16)&255))*sprite[i].yrepeat<<2; } *height = hei; } // // setsprite // int32_t setsprite(int16_t spritenum, const vec3_t *new) { int16_t tempsectnum = sprite[spritenum].sectnum; if ((void *)new != (void *)&sprite[spritenum]) Bmemcpy(&sprite[spritenum], new, sizeof(vec3_t)); updatesector(new->x,new->y,&tempsectnum); if (tempsectnum < 0) return(-1); if (tempsectnum != sprite[spritenum].sectnum) changespritesect(spritenum,tempsectnum); return(0); } int32_t setspritez(int16_t spritenum, const vec3_t *new) { int16_t tempsectnum = sprite[spritenum].sectnum; if ((void *)new != (void *)&sprite[spritenum]) Bmemcpy(&sprite[spritenum], new, sizeof(vec3_t)); updatesectorz(new->x,new->y,new->z,&tempsectnum); if (tempsectnum < 0) return(-1); if (tempsectnum != sprite[spritenum].sectnum) changespritesect(spritenum,tempsectnum); return(0); } // // nextsectorneighborz // int32_t nextsectorneighborz(int16_t sectnum, int32_t thez, int16_t topbottom, int16_t direction) { walltype *wal; int32_t i, testz, nextz; int16_t sectortouse; if (direction == 1) nextz = INT32_MAX; else nextz = INT32_MIN; sectortouse = -1; wal = &wall[sector[sectnum].wallptr]; i = sector[sectnum].wallnum; do { if (wal->nextsector >= 0) { if (topbottom == 1) { testz = sector[wal->nextsector].floorz; if (direction == 1) { if ((testz > thez) && (testz < nextz)) { nextz = testz; sectortouse = wal->nextsector; } } else { if ((testz < thez) && (testz > nextz)) { nextz = testz; sectortouse = wal->nextsector; } } } else { testz = sector[wal->nextsector].ceilingz; if (direction == 1) { if ((testz > thez) && (testz < nextz)) { nextz = testz; sectortouse = wal->nextsector; } } else { if ((testz < thez) && (testz > nextz)) { nextz = testz; sectortouse = wal->nextsector; } } } } wal++; i--; } while (i != 0); return(sectortouse); } // // cansee // int32_t cansee(int32_t x1, int32_t y1, int32_t z1, int16_t sect1, int32_t x2, int32_t y2, int32_t z2, int16_t sect2) { sectortype *sec; walltype *wal, *wal2; int32_t cnt, nexts, x, y, z, cfz[2], dasectnum, dacnt, danum; int32_t x21, y21, z21, x31, y31, x34, y34, bot, t; static uint8_t sectbitmap[MAXSECTORS>>3]; #ifdef YAX_ENABLE int16_t pendingsectnum; vec3_t pendingvec; int32_t cfz1[2], cfz2[2]; // both wrt dasectnum int16_t bn[2]; // invalid sectnums can happen, for example if the player is using noclip if (sect1 < 0 || sect2 < 0) return 0; Bmemset(&pendingvec, 0, sizeof(vec3_t)); // compiler-happy #endif Bmemset(sectbitmap, 0, (numsectors+7)>>3); #ifdef YAX_ENABLE restart_grand: #endif if ((x1 == x2) && (y1 == y2)) return(sect1 == sect2); #ifdef YAX_ENABLE pendingsectnum = -1; #endif x21 = x2-x1; y21 = y2-y1; z21 = z2-z1; sectbitmap[sect1>>3] |= (1<<(sect1&7)); clipsectorlist[0] = sect1; danum = 1; for (dacnt=0; dacntwallnum,wal=&wall[sec->wallptr]; cnt>0; cnt--,wal++) { wal2 = &wall[wal->point2]; x31 = wal->x-x1; x34 = wal->x-wal2->x; y31 = wal->y-y1; y34 = wal->y-wal2->y; bot = y21*x34-x21*y34; if (bot <= 0) continue; t = y21*x31-x21*y31; if ((unsigned)t >= (unsigned)bot) continue; t = y31*x34-x31*y34; if ((unsigned)t >= (unsigned)bot) { #ifdef YAX_ENABLE if (t >= bot) { int32_t cf, frac, ns; for (cf=0; cf<2; cf++) { if ((cf==0 && bn[0]>=0 && z1 > cfz1[0] && cfz2[0] > z2) || (cf==1 && bn[1]>=0 && z1 < cfz1[1] && cfz2[1] < z2)) { if ((cfz1[cf]-cfz2[cf])-(z1-z2)==0) continue; frac = divscale24(z1-cfz1[cf], (z1-z2)-(cfz1[cf]-cfz2[cf])); if ((unsigned)frac >= (1<<24)) continue; x = x1 + mulscale24(x21,frac); y = y1 + mulscale24(y21,frac); ns = yax_getneighborsect(x, y, dasectnum, cf, NULL); if (ns < 0) continue; if (!(sectbitmap[ns>>3] & (1<<(ns&7))) && pendingsectnum==-1) { sectbitmap[ns>>3] |= (1<<(ns&7)); pendingsectnum = ns; pendingvec.x = x; pendingvec.y = y; pendingvec.z = z1 + mulscale24(z21,frac); } } } } #endif continue; } nexts = wal->nextsector; #ifdef YAX_ENABLE if (bn[0]<0 && bn[1]<0) #endif if ((nexts < 0) || (wal->cstat&32)) return(0); t = divscale24(t,bot); x = x1 + mulscale24(x21,t); y = y1 + mulscale24(y21,t); z = z1 + mulscale24(z21,t); getzsofslope((int16_t)dasectnum, x,y, &cfz[0],&cfz[1]); if ((z <= cfz[0]) || (z >= cfz[1])) { #ifdef YAX_ENABLE int32_t cf, frac; // XXX: Is this any good? for (cf=0; cf<2; cf++) if ((cf==0 && bn[0]>=0 && z <= cfz[0] && z1 >= cfz1[0]) || (cf==1 && bn[1]>=0 && z >= cfz[1] && z1 <= cfz1[1])) { if ((cfz1[cf]-cfz[cf])-(z1-z)==0) continue; frac = divscale24(z1-cfz1[cf], (z1-z)-(cfz1[cf]-cfz[cf])); t = mulscale24(t, frac); if ((unsigned)t < (1<<24)) { x = x1 + mulscale24(x21,t); y = y1 + mulscale24(y21,t); nexts = yax_getneighborsect(x, y, dasectnum, cf, NULL); if (nexts >= 0) goto add_nextsector; } } #endif return(0); } #ifdef YAX_ENABLE if ((nexts < 0) || (wal->cstat&32)) return 0; #endif getzsofslope((int16_t)nexts,x,y,&cfz[0],&cfz[1]); if ((z <= cfz[0]) || (z >= cfz[1])) return(0); add_nextsector: if (!(sectbitmap[nexts>>3] & (1<<(nexts&7)))) { sectbitmap[nexts>>3] |= (1<<(nexts&7)); clipsectorlist[danum++] = nexts; } } #ifdef YAX_ENABLE if (pendingsectnum>=0) { sect1 = pendingsectnum; x1 = pendingvec.x; y1 = pendingvec.y; z1 = pendingvec.z; goto restart_grand; } #endif } if ((sectbitmap[sect2>>3] & (1<<(sect2&7)))) return 1; return(0); } static int32_t hitscan_hitsectcf=-1; // stat, heinum, z: either ceiling- or floor- // how: -1: behave like ceiling, 1: behave like floor static int32_t hitscan_trysector(const vec3_t *sv, const sectortype *sec, hitdata_t *hitinfo, int32_t vx, int32_t vy, int32_t vz, int16_t stat, int16_t heinum, int32_t z, int32_t how, const intptr_t *tmp) { int32_t x1 = INT32_MAX, y1, z1; int32_t dax, day, i, j; walltype *wal, *wal2; if (stat&2) { wal = &wall[sec->wallptr]; wal2 = &wall[wal->point2]; dax = wal2->x-wal->x; day = wal2->y-wal->y; i = nsqrtasm(dax*dax+day*day); if (i == 0) return 1; //continue; i = divscale15(heinum,i); dax *= i; day *= i; j = (vz<<8)-dmulscale15(dax,vy,-day,vx); if (j != 0) { i = ((z - sv->z)<<8)+dmulscale15(dax,sv->y-wal->y,-day,sv->x-wal->x); if (((i^j) >= 0) && ((klabs(i)>>1) < klabs(j))) { i = divscale30(i,j); x1 = sv->x + mulscale30(vx,i); y1 = sv->y + mulscale30(vy,i); z1 = sv->z + mulscale30(vz,i); } } } else if ((how*vz > 0) && (how*sv->z <= how*z)) { z1 = z; i = z1-sv->z; if ((klabs(i)>>1) < vz*how) { i = divscale30(i,vz); x1 = sv->x + mulscale30(vx,i); y1 = sv->y + mulscale30(vy,i); } } if ((x1 != INT32_MAX) && (klabs(x1-sv->x)+klabs(y1-sv->y) < klabs((hitinfo->pos.x)-sv->x)+klabs((hitinfo->pos.y)-sv->y))) { if (tmp==NULL) { if (inside(x1,y1,sec-sector) != 0) { hitinfo->hitsect = sec-sector; hitinfo->hitwall = -1; hitinfo->hitsprite = -1; hitinfo->pos.x = x1; hitinfo->pos.y = y1; hitinfo->pos.z = z1; hitscan_hitsectcf = (how+1)>>1; } } else { int32_t curidx=(int32_t)tmp[0]; spritetype *curspr=(spritetype *)tmp[1]; int32_t thislastsec = tmp[2]; if (!thislastsec) { if (inside(x1,y1,sec-sector) != 0) { hitinfo->hitsect = curspr->sectnum; hitinfo->hitwall = -1; hitinfo->hitsprite = curspr-sprite; hitinfo->pos.x = x1; hitinfo->pos.y = y1; hitinfo->pos.z = z1; } } #ifdef HAVE_CLIPSHAPE_FEATURE else { for (i=clipinfo[curidx].qbeg; ihitsect = curspr->sectnum; hitinfo->hitwall = -1; hitinfo->hitsprite = curspr-sprite; hitinfo->pos.x = x1; hitinfo->pos.y = y1; hitinfo->pos.z = z1; break; } } } #endif } } return 0; } // // hitscan // static int32_t clipsprite_initindex(int32_t curidx, spritetype *curspr, int32_t *clipsectcnt, const vec3_t *vect); int32_t hitscan(const vec3_t *sv, int16_t sectnum, int32_t vx, int32_t vy, int32_t vz, hitdata_t *hitinfo, uint32_t cliptype) { sectortype *sec; walltype *wal, *wal2; spritetype *spr; int32_t z, zz, x1, y1=0, z1=0, x2, y2, x3, y3, x4, y4, intx, inty, intz; int32_t topt, topu, bot, dist, offx, offy, cstat; int32_t i, k, l, tilenum, xoff, yoff, dax, day, daz, daz2; int32_t ang, cosang, sinang, xspan, yspan, xrepeat, yrepeat; int32_t dawalclipmask, dasprclipmask; int16_t tempshortcnt, tempshortnum, dasector, startwall, endwall; int16_t nextsector; char clipyou; spritetype *curspr = NULL; int32_t clipspritecnt, curidx=-1; // tmp: { (int32_t)curidx, (spritetype *)curspr, (!=0 if outer sector) } intptr_t tmp[3], *tmpptr=NULL; #ifdef YAX_ENABLE vec3_t newsv; int32_t oldhitsect = -1, oldhitsect2 = -2; #endif hitinfo->hitsect = -1; hitinfo->hitwall = -1; hitinfo->hitsprite = -1; if (sectnum < 0) return(-1); dawalclipmask = (cliptype&65535); dasprclipmask = (cliptype>>16); #ifdef YAX_ENABLE restart_grand: #endif hitinfo->pos.x = hitscangoalx; hitinfo->pos.y = hitscangoaly; clipsectorlist[0] = sectnum; tempshortcnt = 0; tempshortnum = 1; clipspritecnt = clipspritenum = 0; do { #ifdef HAVE_CLIPSHAPE_FEATURE if (tempshortcnt >= tempshortnum) { // one bunch of sectors completed, prepare the next if (!curspr) mapinfo_set(&origmapinfo, &clipmapinfo); // replace sector and wall with clip map curspr = &sprite[clipspritelist[clipspritecnt]]; if (curidx < 0) // per-sprite init curidx = pictoidx[curspr->picnum]; else curidx = clipinfo[curidx].next; while (curidx>=0 && (curspr->cstat&32) != (sector[sectq[clipinfo[curidx].qbeg]].CM_CSTAT&32)) curidx = clipinfo[curidx].next; if (curidx < 0) { clipspritecnt++; continue; } tmp[0] = (intptr_t)curidx; tmp[1] = (intptr_t)curspr; tmpptr = tmp; clipsprite_initindex(curidx, curspr, &i, sv); // &i is dummy tempshortnum = (int16_t)clipsectnum; tempshortcnt = 0; } #endif dasector = clipsectorlist[tempshortcnt]; sec = §or[dasector]; i = 1; #ifdef HAVE_CLIPSHAPE_FEATURE if (curspr) { if (dasector == sectq[clipinfo[curidx].qend]) { i = -1; tmp[2] = 1; } else tmp[2] = 0; } #endif if (hitscan_trysector(sv, sec, hitinfo, vx,vy,vz, sec->ceilingstat, sec->ceilingheinum, sec->ceilingz, -i, tmpptr)) continue; if (hitscan_trysector(sv, sec, hitinfo, vx,vy,vz, sec->floorstat, sec->floorheinum, sec->floorz, i, tmpptr)) continue; startwall = sec->wallptr; endwall = startwall + sec->wallnum; for (z=startwall,wal=&wall[startwall]; znextsector<0) continue; wal2 = &wall[wal->point2]; x1 = wal->x; y1 = wal->y; x2 = wal2->x; y2 = wal2->y; if ((x1-sv->x)*(y2-sv->y) < (x2-sv->x)*(y1-sv->y)) continue; if (rintersect(sv->x,sv->y,sv->z, vx,vy,vz, x1,y1, x2,y2, &intx,&inty,&intz) == 0) continue; if (klabs(intx-sv->x)+klabs(inty-sv->y) >= klabs((hitinfo->pos.x)-sv->x)+klabs((hitinfo->pos.y)-sv->y)) continue; nextsector = wal->nextsector; if (!curspr) { if ((nextsector < 0) || (wal->cstat&dawalclipmask)) { hitinfo->hitsect = dasector; hitinfo->hitwall = z; hitinfo->hitsprite = -1; hitinfo->pos.x = intx; hitinfo->pos.y = inty; hitinfo->pos.z = intz; continue; } getzsofslope(nextsector,intx,inty,&daz,&daz2); if ((intz <= daz) || (intz >= daz2)) { hitinfo->hitsect = dasector; hitinfo->hitwall = z; hitinfo->hitsprite = -1; hitinfo->pos.x = intx; hitinfo->pos.y = inty; hitinfo->pos.z = intz; continue; } } #ifdef HAVE_CLIPSHAPE_FEATURE else { int32_t cz,fz; if (wal->cstat&dawalclipmask) { hitinfo->hitsect = curspr->sectnum; hitinfo->hitwall = -1; hitinfo->hitsprite = curspr-sprite; hitinfo->pos.x = intx; hitinfo->pos.y = inty; hitinfo->pos.z = intz; continue; } getzsofslope(nextsector,intx,inty,&daz,&daz2); getzsofslope(sectq[clipinfo[curidx].qend],intx,inty,&cz,&fz); // ceil cz daz daz2 fz floor if ((cz <= intz && intz <= daz) || (daz2 <= intz && intz <= fz)) { hitinfo->hitsect = curspr->sectnum; hitinfo->hitwall = -1; hitinfo->hitsprite = curspr-sprite; hitinfo->pos.x = intx; hitinfo->pos.y = inty; hitinfo->pos.z = intz; continue; } } #endif for (zz=tempshortnum-1; zz>=0; zz--) if (clipsectorlist[zz] == nextsector) break; if (zz < 0) clipsectorlist[tempshortnum++] = nextsector; } #ifdef HAVE_CLIPSHAPE_FEATURE if (curspr) continue; #endif for (z=headspritesect[dasector]; z>=0; z=nextspritesect[z]) { spr = &sprite[z]; cstat = spr->cstat; #ifdef USE_OPENGL if (!hitallsprites) #endif if ((cstat&dasprclipmask) == 0) continue; #ifdef HAVE_CLIPSHAPE_FEATURE // try and see whether this sprite's picnum has sector-like clipping data i = pictoidx[spr->picnum]; // handle sector-like floor sprites separately while (i>=0 && (spr->cstat&32) != (clipmapinfo.sector[sectq[clipinfo[i].qbeg]].CM_CSTAT&32)) i = clipinfo[i].next; if (i>=0 && clipspritenumx; y1 = spr->y; z1 = spr->z; switch (cstat&48) { case 0: topt = vx*(x1-sv->x) + vy*(y1-sv->y); if (topt <= 0) continue; bot = vx*vx + vy*vy; if (bot == 0) continue; intz = sv->z+scale(vz,topt,bot); i = (tilesizy[spr->picnum]*spr->yrepeat<<2); if (cstat&128) z1 += (i>>1); if (picanm[spr->picnum]&0x00ff0000) z1 -= ((int32_t)((int8_t)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if ((intz > z1) || (intz < z1-i)) continue; topu = vx*(y1-sv->y) - vy*(x1-sv->x); offx = scale(vx,topu,bot); offy = scale(vy,topu,bot); dist = offx*offx + offy*offy; i = tilesizx[spr->picnum]*spr->xrepeat; i *= i; if (dist > (i>>7)) continue; intx = sv->x + scale(vx,topt,bot); inty = sv->y + scale(vy,topt,bot); if (klabs(intx-sv->x)+klabs(inty-sv->y) > klabs((hitinfo->pos.x)-sv->x)+klabs((hitinfo->pos.y)-sv->y)) continue; hitinfo->hitsect = dasector; hitinfo->hitwall = -1; hitinfo->hitsprite = z; hitinfo->pos.x = intx; hitinfo->pos.y = inty; hitinfo->pos.z = intz; break; case 16: //These lines get the 2 points of the rotated sprite //Given: (x1, y1) starts out as the center point tilenum = spr->picnum; xoff = (int32_t)((int8_t)((picanm[tilenum]>>8)&255))+((int32_t)spr->xoffset); if ((cstat&4) > 0) xoff = -xoff; k = spr->ang; l = spr->xrepeat; dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l; l = tilesizx[tilenum]; k = (l>>1)+xoff; x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l); y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l); if ((cstat&64) != 0) //back side of 1-way sprite if ((x1-sv->x)*(y2-sv->y) < (x2-sv->x)*(y1-sv->y)) continue; if (rintersect(sv->x,sv->y,sv->z,vx,vy,vz,x1,y1,x2,y2,&intx,&inty,&intz) == 0) continue; if (klabs(intx-sv->x)+klabs(inty-sv->y) > klabs((hitinfo->pos.x)-sv->x)+klabs((hitinfo->pos.y)-sv->y)) continue; k = ((tilesizy[spr->picnum]*spr->yrepeat)<<2); if (cstat&128) daz = spr->z+(k>>1); else daz = spr->z; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int32_t)((int8_t)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if ((intz < daz) && (intz > daz-k)) { hitinfo->hitsect = dasector; hitinfo->hitwall = -1; hitinfo->hitsprite = z; hitinfo->pos.x = intx; hitinfo->pos.y = inty; hitinfo->pos.z = intz; } break; case 32: if (vz == 0) continue; intz = z1; if (((intz-sv->z)^vz) < 0) continue; if ((cstat&64) != 0) if ((sv->z > intz) == ((cstat&8)==0)) continue; #if 1 // Abyss crash prevention code ((intz-sv->z)*zx overflowing a 8-bit word) zz=(int32_t)((intz-sv->z)*vx); intx = sv->x+scale(zz,1,vz); zz=(int32_t)((intz-sv->z)*vy); inty = sv->y+scale(zz,1,vz); #else intx = sv->x+scale(intz-sv->z,vx,vz); inty = sv->y+scale(intz-sv->z,vy,vz); #endif if (klabs(intx-sv->x)+klabs(inty-sv->y) > klabs((hitinfo->pos.x)-sv->x)+klabs((hitinfo->pos.y)-sv->y)) continue; tilenum = spr->picnum; xoff = (int32_t)((int8_t)((picanm[tilenum]>>8)&255))+((int32_t)spr->xoffset); yoff = (int32_t)((int8_t)((picanm[tilenum]>>16)&255))+((int32_t)spr->yoffset); if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; ang = spr->ang&2047; // FIXME ? See DNE_BUG_HERE cosang = sintable[(ang+512)&2047]; sinang = sintable[ang]; xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat; yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat; dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat; x1 += dmulscale16(sinang,dax,cosang,day)-intx; y1 += dmulscale16(sinang,day,-cosang,dax)-inty; l = xspan*xrepeat; x2 = x1 - mulscale16(sinang,l); y2 = y1 + mulscale16(cosang,l); l = yspan*yrepeat; k = -mulscale16(cosang,l); x3 = x2+k; x4 = x1+k; k = -mulscale16(sinang,l); y3 = y2+k; y4 = y1+k; clipyou = 0; if ((y1^y2) < 0) { if ((x1^x2) < 0) clipyou ^= (x1*y2= 0) clipyou ^= 1; } if ((y2^y3) < 0) { if ((x2^x3) < 0) clipyou ^= (x2*y3= 0) clipyou ^= 1; } if ((y3^y4) < 0) { if ((x3^x4) < 0) clipyou ^= (x3*y4= 0) clipyou ^= 1; } if ((y4^y1) < 0) { if ((x4^x1) < 0) clipyou ^= (x4*y1= 0) clipyou ^= 1; } if (clipyou != 0) { hitinfo->hitsect = dasector; hitinfo->hitwall = -1; hitinfo->hitsprite = z; hitinfo->pos.x = intx; hitinfo->pos.y = inty; hitinfo->pos.z = intz; } break; } } } while (++tempshortcnt < tempshortnum || clipspritecnt < clipspritenum); #ifdef HAVE_CLIPSHAPE_FEATURE if (curspr) mapinfo_set(NULL, &origmapinfo); #endif #ifdef YAX_ENABLE if (numyaxbunches == 0 || editstatus) return 0; if (hitinfo->hitsprite==-1 && hitinfo->hitwall==-1 && hitinfo->hitsect!=oldhitsect && hitinfo->hitsect != oldhitsect2) // 'ping-pong' infloop protection { if (hitinfo->hitsect == -1 && oldhitsect >= 0) { // this is bad: we didn't hit anything after going through a ceiling/floor Bmemcpy(&hitinfo->pos, &newsv, sizeof(vec3_t)); hitinfo->hitsect = oldhitsect; return 0; } // 1st, 2nd, ... ceil/floor hit // hitinfo->hitsect is >=0 because if oldhitsect's init and check above if (SECTORFLD(hitinfo->hitsect,stat, hitscan_hitsectcf)&yax_waltosecmask(dawalclipmask)) return 0; i = yax_getneighborsect(hitinfo->pos.x, hitinfo->pos.y, hitinfo->hitsect, hitscan_hitsectcf, NULL); if (i >= 0) { Bmemcpy(&newsv, &hitinfo->pos, sizeof(vec3_t)); sectnum = i; sv = &newsv; oldhitsect2 = oldhitsect; oldhitsect = hitinfo->hitsect; hitinfo->hitsect = -1; // sector-like sprite re-init: curspr = 0; curidx = -1; tmpptr = NULL; goto restart_grand; } } #endif return(0); } // // neartag // void neartag(int32_t xs, int32_t ys, int32_t zs, int16_t sectnum, int16_t ange, int16_t *neartagsector, int16_t *neartagwall, int16_t *neartagsprite, int32_t *neartaghitdist, int32_t neartagrange, uint8_t tagsearch, int32_t (*blacklist_sprite_func)(int32_t)) { walltype *wal, *wal2; spritetype *spr; int32_t i, z, zz, xe, ye, ze, x1, y1, z1, x2, y2, intx, inty, intz; int32_t topt, topu, bot, dist, offx, offy, vx, vy, vz; int16_t tempshortcnt, tempshortnum, dasector, startwall, endwall; int16_t nextsector, good; *neartagsector = -1; *neartagwall = -1; *neartagsprite = -1; *neartaghitdist = 0; if (sectnum < 0 || (tagsearch & 3) == 0) return; vx = mulscale14(sintable[(ange+2560)&2047],neartagrange); xe = xs+vx; vy = mulscale14(sintable[(ange+2048)&2047],neartagrange); ye = ys+vy; vz = 0; ze = 0; clipsectorlist[0] = sectnum; tempshortcnt = 0; tempshortnum = 1; do { dasector = clipsectorlist[tempshortcnt]; startwall = sector[dasector].wallptr; endwall = startwall + sector[dasector].wallnum - 1; for (z=startwall,wal=&wall[startwall]; z<=endwall; z++,wal++) { wal2 = &wall[wal->point2]; x1 = wal->x; y1 = wal->y; x2 = wal2->x; y2 = wal2->y; nextsector = wal->nextsector; good = 0; if (nextsector >= 0) { if ((tagsearch&1) && sector[nextsector].lotag) good |= 1; if ((tagsearch&2) && sector[nextsector].hitag) good |= 1; } if ((tagsearch&1) && wal->lotag) good |= 2; if ((tagsearch&2) && wal->hitag) good |= 2; if ((good == 0) && (nextsector < 0)) continue; if ((x1-xs)*(y2-ys) < (x2-xs)*(y1-ys)) continue; if (lintersect(xs,ys,zs,xe,ye,ze,x1,y1,x2,y2,&intx,&inty,&intz) == 1) { if (good != 0) { if (good&1) *neartagsector = nextsector; if (good&2) *neartagwall = z; *neartaghitdist = dmulscale14(intx-xs,sintable[(ange+2560)&2047],inty-ys,sintable[(ange+2048)&2047]); xe = intx; ye = inty; ze = intz; } if (nextsector >= 0) { for (zz=tempshortnum-1; zz>=0; zz--) if (clipsectorlist[zz] == nextsector) break; if (zz < 0) clipsectorlist[tempshortnum++] = nextsector; } } } tempshortcnt++; if (tagsearch & 4) continue; // skip sprite search for (z=headspritesect[dasector]; z>=0; z=nextspritesect[z]) { if (blacklist_sprite_func && blacklist_sprite_func(z)) continue; spr = &sprite[z]; good = 0; if ((tagsearch&1) && spr->lotag) good |= 1; if ((tagsearch&2) && spr->hitag) good |= 1; if (good != 0) { x1 = spr->x; y1 = spr->y; z1 = spr->z; topt = vx*(x1-xs) + vy*(y1-ys); if (topt > 0) { bot = vx*vx + vy*vy; if (bot != 0) { intz = zs+scale(vz,topt,bot); i = tilesizy[spr->picnum]*spr->yrepeat; if (spr->cstat&128) z1 += (i<<1); if (picanm[spr->picnum]&0x00ff0000) z1 -= ((int32_t)((int8_t)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if ((intz <= z1) && (intz >= z1-(i<<2))) { topu = vx*(y1-ys) - vy*(x1-xs); offx = scale(vx,topu,bot); offy = scale(vy,topu,bot); dist = offx*offx + offy*offy; i = (tilesizx[spr->picnum]*spr->xrepeat); i *= i; if (dist <= (i>>7)) { intx = xs + scale(vx,topt,bot); inty = ys + scale(vy,topt,bot); if (klabs(intx-xs)+klabs(inty-ys) < klabs(xe-xs)+klabs(ye-ys)) { *neartagsprite = z; *neartaghitdist = dmulscale14(intx-xs,sintable[(ange+2560)&2047],inty-ys,sintable[(ange+2048)&2047]); xe = intx; ye = inty; ze = intz; } } } } } } } } while (tempshortcnt < tempshortnum); return; } // // dragpoint // int32_t dragpoint_noreset = 0; void dragpoint(int16_t pointhighlight, int32_t dax, int32_t day) #ifdef YAX_ENABLE { int32_t thelastwall, cnt, w, tmpstartwall, clockwise; int32_t i, j, numyaxwalls=0, tmpcf; static int16_t yaxwalls[MAXWALLS]; uint8_t *walbitmap = (uint8_t *)tempbuf; if (!dragpoint_noreset) Bmemset(walbitmap, 0, (numwalls+7)>>3); yaxwalls[numyaxwalls++] = pointhighlight; for (i=0; i>3] |= (1<<(w&7)); for (YAX_ITER_WALLS(w, j, tmpcf)) { if ((walbitmap[j>>3]&(1<<(j&7)))==0) { walbitmap[j>>3] |= (1<<(j&7)); yaxwalls[numyaxwalls++] = j; } } if (!clockwise) //search points CCW { if (wall[w].nextwall >= 0) w = wall[wall[w].nextwall].point2; else { w = tmpstartwall; clockwise = 1; } } cnt--; if (cnt==0) { initprintf("dragpoint %d: infloop!\n", pointhighlight); i = numyaxwalls; break; } if (clockwise) { thelastwall = lastwall(w); if (wall[thelastwall].nextwall >= 0) w = wall[thelastwall].nextwall; else break; } if ((walbitmap[w>>3] & (1<<(w&7)))) { if (clockwise) break; w = tmpstartwall; clockwise = 1; continue; } } } if (editstatus) { for (w=0; w>3] & (1<<(w&7))) wall[w].cstat |= (1<<14); } } #else { int16_t cnt, tempshort; int32_t thelastwall; tempshort = pointhighlight; //search points CCW cnt = MAXWALLS; wall[tempshort].x = dax; wall[tempshort].y = day; if (editstatus) { wall[pointhighlight].cstat |= (1<<14); if (linehighlight >= 0 && linehighlight < MAXWALLS) wall[linehighlight].cstat |= (1<<14); wall[lastwall(pointhighlight)].cstat |= (1<<14); } do { if (wall[tempshort].nextwall >= 0) { tempshort = wall[wall[tempshort].nextwall].point2; wall[tempshort].x = dax; wall[tempshort].y = day; wall[tempshort].cstat |= (1<<14); } else { tempshort = pointhighlight; //search points CW if not searched all the way around do { thelastwall = lastwall(tempshort); if (wall[thelastwall].nextwall >= 0) { tempshort = wall[thelastwall].nextwall; wall[tempshort].x = dax; wall[tempshort].y = day; wall[tempshort].cstat |= (1<<14); } else { break; } cnt--; } while ((tempshort != pointhighlight) && (cnt > 0)); break; } cnt--; } while ((tempshort != pointhighlight) && (cnt > 0)); } #endif // // lastwall // int32_t lastwall(int16_t point) { int32_t i, j, cnt; if ((point > 0) && (wall[point-1].point2 == point)) return(point-1); i = point; cnt = MAXWALLS; do { j = wall[i].point2; if (j == point) return(i); i = j; cnt--; } while (cnt > 0); return(point); } ////////// CLIPMOVE ////////// int32_t clipmoveboxtracenum = 3; #ifdef HAVE_CLIPSHAPE_FEATURE static int32_t clipsprite_try(const spritetype *spr, int32_t xmin, int32_t ymin, int32_t xmax, int32_t ymax) { int32_t i,k,tempint1,tempint2; // try and see whether this sprite's picnum has sector-like clipping data i = pictoidx[spr->picnum]; // handle sector-like floor sprites separately while (i>=0 && (spr->cstat&32) != (clipmapinfo.sector[sectq[clipinfo[i].qbeg]].CM_CSTAT&32)) i = clipinfo[i].next; if (i>=0) { int32_t maxcorrection = clipinfo[i].maxdist; k = sectq[clipinfo[i].qbeg]; if ((spr->cstat&48)!=32) // face/wall sprite { tempint1 = clipmapinfo.sector[k].CM_XREPEAT; maxcorrection = (maxcorrection * (int32_t)spr->xrepeat)/tempint1; } else // floor sprite { tempint1 = clipmapinfo.sector[k].CM_XREPEAT; tempint2 = clipmapinfo.sector[k].CM_YREPEAT; maxcorrection = max((maxcorrection * (int32_t)spr->xrepeat)/tempint1, (maxcorrection * (int32_t)spr->yrepeat)/tempint2); } maxcorrection -= MAXCLIPDIST; if (spr->x < xmin - maxcorrection) return 1; if (spr->y < ymin - maxcorrection) return 1; if (spr->x > xmax + maxcorrection) return 1; if (spr->y > ymax + maxcorrection) return 1; if (clipspritenum < MAXCLIPNUM) clipspritelist[clipspritenum++] = spr-sprite; //initprintf("%d: clip sprite[%d]\n",clipspritenum,j); return 1; } return 0; } // return: -1 if curspr has x-flip xor y-flip (in the horizontal map plane!), 1 else static int32_t clipsprite_initindex(int32_t curidx, spritetype *curspr, int32_t *clipsectcnt, const vec3_t *vect) { int32_t j,k,w,tempint1,tempint2,daz = curspr->z; int32_t scalex,scaley,scalez,flipx,flipy,rotang, dorot; int32_t startwall, endwall, flipmul=1; sectortype *sec; walltype *wal; j = sectq[clipinfo[curidx].qbeg]; tempint1 = sector[j].CM_XREPEAT; tempint2 = sector[j].CM_YREPEAT; if ((curspr->cstat&48)!=32) // face/wall sprite { scalex = scaley = divscale22(curspr->xrepeat, tempint1); scalez = divscale22(curspr->yrepeat, tempint2); flipx = 1-((curspr->cstat&4)>>1); flipy = 1; } else { scalex = divscale22(curspr->xrepeat, tempint1); scaley = divscale22(curspr->yrepeat, tempint2); scalez = scalex; flipx = 1-((curspr->cstat&4)>>1); flipy = 1-((curspr->cstat&8)>>2); } rotang = (curspr->ang - sector[j].CM_ANG)&2047; dorot = !CM_NOROTS(j); if (dorot) { flipmul = flipx*flipy; if (flipmul==-1) wall = loadwallinv; } if ((curspr->cstat&128) != (sector[j].CM_CSTAT&128)) daz += (((curspr->cstat&128)>>6)-1)*(((int32_t)tilesizy[curspr->picnum]*(int32_t)curspr->yrepeat)<<1); *clipsectcnt = clipsectnum = 0; // init sectors for this index for (k=clipinfo[curidx].qbeg; k<=clipinfo[curidx].qend; k++) { j = sectq[k]; sec = §or[j]; sec->floorz = daz + mulscale22(scalez, CM_FLOORZ(j)); sec->ceilingz = daz + mulscale22(scalez, CM_CEILINGZ(j)); //initprintf("sec %d: f=%d, c=%d\n", j, sec->floorz, sec->ceilingz); startwall=sec->wallptr; endwall=startwall+sec->wallnum; for (w=startwall,wal=&wall[startwall]; wx = mulscale22(scalex, CM_WALL_X(w)); wal->y = mulscale22(scaley, CM_WALL_Y(w)); if (dorot) { wal->x *= flipx; wal->y *= flipy; rotatepoint(0,0, wal->x,wal->y, rotang, &wal->x,&wal->y); } wal->x += curspr->x; wal->y += curspr->y; } if (inside(vect->x, vect->y, j)==1) clipsectorlist[clipsectnum++] = j; } // add outer sector if not inside inner ones if (clipsectnum==0) clipsectorlist[clipsectnum++] = sectq[k-1]; return flipmul; } #endif static int32_t clipmove_warned=0; static void addclipline(int32_t dax1, int32_t day1, int32_t dax2, int32_t day2, int32_t daoval) { if (clipnum < MAXCLIPNUM) { clipit[clipnum].x1 = dax1; clipit[clipnum].y1 = day1; clipit[clipnum].x2 = dax2; clipit[clipnum].y2 = day2; clipobjectval[clipnum] = daoval; clipnum++; } else if (!clipmove_warned) { initprintf("!!clipnum\n"); clipmove_warned = 1; } } // // clipmove // int32_t clipmove(vec3_t *pos, int16_t *sectnum, int32_t xvect, int32_t yvect, int32_t walldist, int32_t ceildist, int32_t flordist, uint32_t cliptype) { walltype *wal, *wal2; spritetype *spr; sectortype *sec, *sec2; int32_t i, j, tempint1, tempint2; int32_t oxvect, oyvect, goalx, goaly, intx, inty, lx, ly, retval; int32_t k, l, clipsectcnt, startwall, endwall, cstat, dasect; int32_t x1, y1, x2, y2, cx, cy, rad, xmin, ymin, xmax, ymax, daz, daz2; int32_t bsz, dax, day, xoff, yoff, xspan, yspan, cosang, sinang, tilenum; int32_t xrepeat, yrepeat, gx, gy, dx, dy, dasprclipmask, dawalclipmask; int32_t hitwall, cnt, clipyou; spritetype *curspr=NULL; // non-NULL when handling sprite with sector-like clipping int32_t curidx=-1, clipspritecnt; if (((xvect|yvect) == 0) || (*sectnum < 0)) return(0); retval = 0; clipmove_warned = 0; oxvect = xvect; oyvect = yvect; goalx = pos->x + (xvect>>14); goaly = pos->y + (yvect>>14); clipnum = 0; cx = (pos->x+goalx)>>1; cy = (pos->y+goaly)>>1; //Extra walldist for sprites on sector lines gx = goalx-(pos->x); gy = goaly-(pos->y); rad = nsqrtasm(gx*gx + gy*gy) + MAXCLIPDIST+walldist + 8; xmin = cx-rad; ymin = cy-rad; xmax = cx+rad; ymax = cy+rad; dawalclipmask = (cliptype&65535); //CLIPMASK0 = 0x00010001 dasprclipmask = (cliptype>>16); //CLIPMASK1 = 0x01000040 clipsectorlist[0] = (*sectnum); clipsectcnt = 0; clipsectnum = 1; clipspritecnt = 0; clipspritenum = 0; do { #ifdef HAVE_CLIPSHAPE_FEATURE if (clipsectcnt>=clipsectnum) { // one bunch of sectors completed (either the very first // one or a sector-like sprite one), prepare the next //initprintf("init sprite %d\n", clipspritecnt); if (!curspr) { // init sector-like sprites for clipping origclipsectnum = clipsectnum; Bmemcpy(origclipsectorlist, clipsectorlist, clipsectnum*sizeof(clipsectorlist[0])); // replace sector and wall with clip map mapinfo_set(&origmapinfo, &clipmapinfo); } curspr = &sprite[clipspritelist[clipspritecnt]]; if (curidx < 0) // per-sprite init curidx = pictoidx[curspr->picnum]; else curidx = clipinfo[curidx].next; while (curidx>=0 && (curspr->cstat&32) != (sector[sectq[clipinfo[curidx].qbeg]].CM_CSTAT&32)) curidx = clipinfo[curidx].next; if (curidx < 0) { clipspritecnt++; continue; } clipsprite_initindex(curidx, curspr, &clipsectcnt, pos); } #endif dasect = clipsectorlist[clipsectcnt++]; //if (curspr) // initprintf("sprite %d/%d: sect %d/%d (%d)\n", clipspritecnt,clipspritenum, clipsectcnt,clipsectnum,dasect); sec = §or[dasect]; startwall = sec->wallptr; endwall = startwall + sec->wallnum; for (j=startwall,wal=&wall[startwall]; jpoint2]; if ((wal->x < xmin) && (wal2->x < xmin)) continue; if ((wal->x > xmax) && (wal2->x > xmax)) continue; if ((wal->y < ymin) && (wal2->y < ymin)) continue; if ((wal->y > ymax) && (wal2->y > ymax)) continue; x1 = wal->x; y1 = wal->y; x2 = wal2->x; y2 = wal2->y; dx = x2-x1; dy = y2-y1; if (dx*((pos->y)-y1) < ((pos->x)-x1)*dy) continue; //If wall's not facing you if (dx > 0) dax = dx*(ymin-y1); else dax = dx*(ymax-y1); if (dy > 0) day = dy*(xmax-x1); else day = dy*(xmin-x1); if (dax >= day) continue; clipyou = 0; #ifdef HAVE_CLIPSHAPE_FEATURE if (curspr) { if (wal->nextsector>=0) { int32_t basez; if (rintersect(pos->x,pos->y,0, gx,gy,0, x1,y1, x2,y2, &dax,&day,&daz) == 0) dax = pos->x, day = pos->y; daz = getflorzofslope(dasect, dax,day); daz2 = getflorzofslope(wal->nextsector, dax,day); basez = getflorzofslope(sectq[clipinfo[curidx].qend], dax,day); sec2 = §or[wal->nextsector]; if ((sec2->floorstat&1) == 0) // if (dasect==sectq[clipinfo[curidx].qend] || daz2 < daz-(1<<8)) if (daz2-(flordist-1) <= pos->z && pos->z <= basez+(flordist-1)) clipyou = 1; if (clipyou == 0) { daz = getceilzofslope(dasect, dax,day); daz2 = getceilzofslope(wal->nextsector, dax,day); basez = getceilzofslope(sectq[clipinfo[curidx].qend], dax,day); if ((sec2->ceilingstat&1) == 0) // if (dasect==sectq[clipinfo[curidx].qend] || daz2 > daz+(1<<8)) if (basez-(ceildist-1) <= pos->z && pos->z <= daz2+(ceildist-1)) clipyou = 1; } } } else #endif if ((wal->nextsector < 0) || (wal->cstat&dawalclipmask)) clipyou = 1; else if (editstatus == 0) { if (rintersect(pos->x,pos->y,0,gx,gy,0,x1,y1,x2,y2,&dax,&day,&daz) == 0) dax = pos->x, day = pos->y; daz = getflorzofslope(dasect, dax,day); daz2 = getflorzofslope(wal->nextsector, dax,day); sec2 = §or[wal->nextsector]; if (daz2 < daz-(1<<8)) if ((sec2->floorstat&1) == 0) if ((pos->z) >= daz2-(flordist-1)) clipyou = 1; if (clipyou == 0) { daz = getceilzofslope(dasect, dax,day); daz2 = getceilzofslope(wal->nextsector, dax,day); if (daz2 > daz+(1<<8)) if ((sec2->ceilingstat&1) == 0) if ((pos->z) <= daz2+(ceildist-1)) clipyou = 1; } } if (clipyou) { int16_t objtype; if (!curspr) objtype = (int16_t)j+32768; else objtype = (int16_t)(curspr-sprite)+49152; //Add 2 boxes at endpoints bsz = walldist; if (gx < 0) bsz = -bsz; addclipline(x1-bsz,y1-bsz, x1-bsz,y1+bsz, objtype); addclipline(x2-bsz,y2-bsz, x2-bsz,y2+bsz, objtype); bsz = walldist; if (gy < 0) bsz = -bsz; addclipline(x1+bsz,y1-bsz, x1-bsz,y1-bsz, objtype); addclipline(x2+bsz,y2-bsz, x2-bsz,y2-bsz, objtype); dax = walldist; if (dy > 0) dax = -dax; day = walldist; if (dx < 0) day = -day; addclipline(x1+dax,y1+day, x2+dax,y2+day, objtype); } else if (wal->nextsector>=0) { for (i=clipsectnum-1; i>=0; i--) if (wal->nextsector == clipsectorlist[i]) break; if (i < 0) clipsectorlist[clipsectnum++] = wal->nextsector; } } #ifdef HAVE_CLIPSHAPE_FEATURE if (curspr) continue; // next sector of this index #endif if (!dasprclipmask) continue; for (j=headspritesect[dasect]; j>=0; j=nextspritesect[j]) { spr = &sprite[j]; cstat = spr->cstat; if ((cstat&dasprclipmask) == 0) continue; #ifdef HAVE_CLIPSHAPE_FEATURE if (clipsprite_try(spr, xmin,ymin, xmax,ymax)) continue; #endif x1 = spr->x; y1 = spr->y; switch (cstat&48) { case 0: if ((x1 >= xmin) && (x1 <= xmax) && (y1 >= ymin) && (y1 <= ymax)) { k = ((tilesizy[spr->picnum]*spr->yrepeat)<<2); if (cstat&128) daz = spr->z+(k>>1); else daz = spr->z; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int32_t)((int8_t)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if (((pos->z) < daz+ceildist) && ((pos->z) > daz-k-flordist)) { bsz = (spr->clipdist<<2)+walldist; if (gx < 0) bsz = -bsz; addclipline(x1-bsz,y1-bsz,x1-bsz,y1+bsz,(int16_t)j+49152); bsz = (spr->clipdist<<2)+walldist; if (gy < 0) bsz = -bsz; addclipline(x1+bsz,y1-bsz,x1-bsz,y1-bsz,(int16_t)j+49152); } } break; case 16: k = ((tilesizy[spr->picnum]*spr->yrepeat)<<2); if (cstat&128) daz = spr->z+(k>>1); else daz = spr->z; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int32_t)((int8_t)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); daz2 = daz-k; daz += ceildist; daz2 -= flordist; if (((pos->z) < daz) && ((pos->z) > daz2)) { //These lines get the 2 points of the rotated sprite //Given: (x1, y1) starts out as the center point tilenum = spr->picnum; xoff = (int32_t)((int8_t)((picanm[tilenum]>>8)&255))+((int32_t)spr->xoffset); if ((cstat&4) > 0) xoff = -xoff; k = spr->ang; l = spr->xrepeat; dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l; l = tilesizx[tilenum]; k = (l>>1)+xoff; x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l); y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l); if (clipinsideboxline(cx,cy,x1,y1,x2,y2,rad) != 0) { dax = mulscale14(sintable[(spr->ang+256+512)&2047],walldist); day = mulscale14(sintable[(spr->ang+256)&2047],walldist); if ((x1-(pos->x))*(y2-(pos->y)) >= (x2-(pos->x))*(y1-(pos->y))) //Front { addclipline(x1+dax,y1+day,x2+day,y2-dax,(int16_t)j+49152); } else { if ((cstat&64) != 0) continue; addclipline(x2-dax,y2-day,x1-day,y1+dax,(int16_t)j+49152); } //Side blocker if ((x2-x1)*((pos->x)-x1) + (y2-y1)*((pos->y)-y1) < 0) addclipline(x1-day,y1+dax,x1+dax,y1+day,(int16_t)j+49152); else if ((x1-x2)*((pos->x)-x2) + (y1-y2)*((pos->y)-y2) < 0) addclipline(x2+day,y2-dax,x2-dax,y2-day,(int16_t)j+49152); } } break; case 32: daz = spr->z+ceildist; daz2 = spr->z-flordist; if (((pos->z) < daz) && ((pos->z) > daz2)) { if ((cstat&64) != 0) if (((pos->z) > spr->z) == ((cstat&8)==0)) continue; tilenum = spr->picnum; xoff = (int32_t)((int8_t)((picanm[tilenum]>>8)&255))+((int32_t)spr->xoffset); yoff = (int32_t)((int8_t)((picanm[tilenum]>>16)&255))+((int32_t)spr->yoffset); if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; k = spr->ang&2047; // FIXME ? See DNE_BUG_HERE cosang = sintable[(k+512)&2047]; sinang = sintable[k]; xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat; yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat; dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat; rxi[0] = x1 + dmulscale16(sinang,dax,cosang,day); ryi[0] = y1 + dmulscale16(sinang,day,-cosang,dax); l = xspan*xrepeat; rxi[1] = rxi[0] - mulscale16(sinang,l); ryi[1] = ryi[0] + mulscale16(cosang,l); l = yspan*yrepeat; k = -mulscale16(cosang,l); rxi[2] = rxi[1]+k; rxi[3] = rxi[0]+k; k = -mulscale16(sinang,l); ryi[2] = ryi[1]+k; ryi[3] = ryi[0]+k; dax = mulscale14(sintable[(spr->ang-256+512)&2047],walldist); day = mulscale14(sintable[(spr->ang-256)&2047],walldist); if ((rxi[0]-(pos->x))*(ryi[1]-(pos->y)) < (rxi[1]-(pos->x))*(ryi[0]-(pos->y))) { if (clipinsideboxline(cx,cy,rxi[1],ryi[1],rxi[0],ryi[0],rad) != 0) addclipline(rxi[1]-day,ryi[1]+dax,rxi[0]+dax,ryi[0]+day,(int16_t)j+49152); } else if ((rxi[2]-(pos->x))*(ryi[3]-(pos->y)) < (rxi[3]-(pos->x))*(ryi[2]-(pos->y))) { if (clipinsideboxline(cx,cy,rxi[3],ryi[3],rxi[2],ryi[2],rad) != 0) addclipline(rxi[3]+day,ryi[3]-dax,rxi[2]-dax,ryi[2]-day,(int16_t)j+49152); } if ((rxi[1]-(pos->x))*(ryi[2]-(pos->y)) < (rxi[2]-(pos->x))*(ryi[1]-(pos->y))) { if (clipinsideboxline(cx,cy,rxi[2],ryi[2],rxi[1],ryi[1],rad) != 0) addclipline(rxi[2]-dax,ryi[2]-day,rxi[1]-day,ryi[1]+dax,(int16_t)j+49152); } else if ((rxi[3]-(pos->x))*(ryi[0]-(pos->y)) < (rxi[0]-(pos->x))*(ryi[3]-(pos->y))) { if (clipinsideboxline(cx,cy,rxi[0],ryi[0],rxi[3],ryi[3],rad) != 0) addclipline(rxi[0]+dax,ryi[0]+day,rxi[3]+day,ryi[3]-dax,(int16_t)j+49152); } } break; } } } while (clipsectcnt < clipsectnum || clipspritecnt < clipspritenum); #ifdef HAVE_CLIPSHAPE_FEATURE if (curspr) { // restore original map mapinfo_set(NULL, &origmapinfo); clipsectnum = origclipsectnum; Bmemcpy(clipsectorlist, origclipsectorlist, clipsectnum*sizeof(clipsectorlist[0])); } #endif hitwall = 0; cnt = clipmoveboxtracenum; do { intx = goalx; inty = goaly; hitwall = raytrace(pos->x, pos->y, &intx, &inty); if (hitwall >= 0) { uint64_t tempull; lx = clipit[hitwall].x2-clipit[hitwall].x1; ly = clipit[hitwall].y2-clipit[hitwall].y1; tempull = (int64_t)lx*(int64_t)lx + (int64_t)ly*(int64_t)ly; if (tempull > 0 && tempull < INT32_MAX) { tempint2 = (int32_t)tempull; tempint1 = (goalx-intx)*lx + (goaly-inty)*ly; if ((klabs(tempint1)>>11) < tempint2) i = divscale20(tempint1,tempint2); else i = 0; goalx = mulscale20(lx,i)+intx; goaly = mulscale20(ly,i)+inty; } tempint1 = dmulscale6(lx,oxvect,ly,oyvect); for (i=cnt+1; i<=clipmoveboxtracenum; i++) { j = hitwalls[i]; tempint2 = dmulscale6(clipit[j].x2-clipit[j].x1,oxvect,clipit[j].y2-clipit[j].y1,oyvect); if ((tempint1^tempint2) < 0) { updatesector(pos->x,pos->y,sectnum); return(retval); } } keepaway(&goalx, &goaly, hitwall); xvect = ((goalx-intx)<<14); yvect = ((goaly-inty)<<14); if (cnt == clipmoveboxtracenum) retval = clipobjectval[hitwall]; hitwalls[cnt] = hitwall; } cnt--; pos->x = intx; pos->y = inty; } while (((xvect|yvect) != 0) && (hitwall >= 0) && (cnt > 0)); for (j=0; jx,pos->y,clipsectorlist[j]) == 1) { *sectnum = clipsectorlist[j]; return(retval); } *sectnum = -1; tempint1 = INT32_MAX; for (j=numsectors-1; j>=0; j--) if (inside(pos->x,pos->y,j) == 1) { if (sector[j].ceilingstat&2) tempint2 = (getceilzofslope((int16_t)j,pos->x,pos->y)-(pos->z)); else tempint2 = (sector[j].ceilingz-(pos->z)); if (tempint2 > 0) { if (tempint2 < tempint1) { *sectnum = j; tempint1 = tempint2; } } else { if (sector[j].floorstat&2) tempint2 = ((pos->z)-getflorzofslope((int16_t)j,pos->x,pos->y)); else tempint2 = ((pos->z)-sector[j].floorz); if (tempint2 <= 0) { *sectnum = j; return(retval); } if (tempint2 < tempint1) { *sectnum = j; tempint1 = tempint2; } } } return(retval); } // // pushmove // int32_t pushmove(vec3_t *vect, int16_t *sectnum, int32_t walldist, int32_t ceildist, int32_t flordist, uint32_t cliptype) { sectortype *sec, *sec2; walltype *wal; int32_t i, j, k, t, dx, dy, dax, day, daz, daz2, bad, dir; int32_t /*dasprclipmask,*/ dawalclipmask; int16_t startwall, endwall, clipsectcnt; char bad2; if ((*sectnum) < 0) return(-1); dawalclipmask = (cliptype&65535); // dasprclipmask = (cliptype>>16); k = 32; dir = 1; do { bad = 0; clipsectorlist[0] = *sectnum; clipsectcnt = 0; clipsectnum = 1; do { /*Push FACE sprites for(i=headspritesect[clipsectorlist[clipsectcnt]];i>=0;i=nextspritesect[i]) { spr = &sprite[i]; if (((spr->cstat&48) != 0) && ((spr->cstat&48) != 48)) continue; if ((spr->cstat&dasprclipmask) == 0) continue; dax = (vect->x)-spr->x; day = (vect->y)-spr->y; t = (spr->clipdist<<2)+walldist; if ((klabs(dax) < t) && (klabs(day) < t)) { t = ((tilesizy[spr->picnum]*spr->yrepeat)<<2); if (spr->cstat&128) daz = spr->z+(t>>1); else daz = spr->z; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int32_t)((int8_t)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if (((vect->z) < daz+ceildist) && ((vect->z) > daz-t-flordist)) { t = (spr->clipdist<<2)+walldist; j = getangle(dax,day); dx = (sintable[(j+512)&2047]>>11); dy = (sintable[(j)&2047]>>11); bad2 = 16; do { vect->x = (vect->x) + dx; vect->y = (vect->y) + dy; bad2--; if (bad2 == 0) break; } while ((klabs((vect->x)-spr->x) < t) && (klabs((vect->y)-spr->y) < t)); bad = -1; k--; if (k <= 0) return(bad); updatesector(vect->x,vect->y,sectnum); } } }*/ sec = §or[clipsectorlist[clipsectcnt]]; if (dir > 0) startwall = sec->wallptr, endwall = startwall + sec->wallnum; else endwall = sec->wallptr, startwall = endwall + sec->wallnum; for (i=startwall,wal=&wall[startwall]; i!=endwall; i+=dir,wal+=dir) if (clipinsidebox(vect->x,vect->y,i,walldist-4) == 1) { j = 0; if (wal->nextsector < 0) j = 1; if (wal->cstat&dawalclipmask) j = 1; if (j == 0) { sec2 = §or[wal->nextsector]; //Find closest point on wall (dax, day) to (vect->x, vect->y) dax = wall[wal->point2].x-wal->x; day = wall[wal->point2].y-wal->y; daz = dax*((vect->x)-wal->x) + day*((vect->y)-wal->y); if (daz <= 0) t = 0; else { daz2 = dax*dax+day*day; if (daz >= daz2) t = (1<<30); else t = divscale30(daz,daz2); } dax = wal->x + mulscale30(dax,t); day = wal->y + mulscale30(day,t); daz = getflorzofslope(clipsectorlist[clipsectcnt],dax,day); daz2 = getflorzofslope(wal->nextsector,dax,day); if ((daz2 < daz-(1<<8)) && ((sec2->floorstat&1) == 0)) if (vect->z >= daz2-(flordist-1)) j = 1; daz = getceilzofslope(clipsectorlist[clipsectcnt],dax,day); daz2 = getceilzofslope(wal->nextsector,dax,day); if ((daz2 > daz+(1<<8)) && ((sec2->ceilingstat&1) == 0)) if (vect->z <= daz2+(ceildist-1)) j = 1; } if (j != 0) { j = getangle(wall[wal->point2].x-wal->x,wall[wal->point2].y-wal->y); dx = (sintable[(j+1024)&2047]>>11); dy = (sintable[(j+512)&2047]>>11); bad2 = 16; do { vect->x = (vect->x) + dx; vect->y = (vect->y) + dy; bad2--; if (bad2 == 0) break; } while (clipinsidebox(vect->x,vect->y,i,walldist-4) != 0); bad = -1; k--; if (k <= 0) return(bad); updatesector(vect->x,vect->y,sectnum); if (*sectnum < 0) return -1; } else { for (j=clipsectnum-1; j>=0; j--) if (wal->nextsector == clipsectorlist[j]) break; if (j < 0) clipsectorlist[clipsectnum++] = wal->nextsector; } } clipsectcnt++; } while (clipsectcnt < clipsectnum); dir = -dir; } while (bad != 0); return(bad); } // breadth-first search helpers void bfirst_search_init(int16_t *list, uint8_t *bitmap, int32_t *eltnumptr, int32_t maxnum, int16_t firstelt) { Bmemset(bitmap, 0, (maxnum+7)>>3); list[0] = firstelt; bitmap[firstelt>>3] |= (1<<(firstelt&7)); *eltnumptr = 1; } void bfirst_search_try(int16_t *list, uint8_t *bitmap, int32_t *eltnumptr, int16_t elt) { if (elt < 0) return; if ((bitmap[elt>>3]&(1<<(elt&7)))==0) { bitmap[elt>>3] |= (1<<(elt&7)); list[*eltnumptr] = elt; (*eltnumptr)++; } } // // updatesector[z] // void updatesector(int32_t x, int32_t y, int16_t *sectnum) { walltype *wal; int32_t i, j; if (inside(x,y,*sectnum) == 1) return; if ((*sectnum >= 0) && (*sectnum < numsectors)) { wal = &wall[sector[*sectnum].wallptr]; j = sector[*sectnum].wallnum; do { i = wal->nextsector; if (i >= 0) if (inside(x,y,(int16_t)i) == 1) { *sectnum = i; return; } wal++; j--; } while (j != 0); } for (i=numsectors-1; i>=0; i--) if (inside(x,y,(int16_t)i) == 1) { *sectnum = i; return; } *sectnum = -1; } void updatesector_onlynextwalls(int32_t x, int32_t y, int16_t *sectnum) { static int16_t sectlist[MAXSECTORS]; static uint8_t sectbitmap[MAXSECTORS>>3]; int32_t nsecs, sectcnt, j; if ((unsigned)(*sectnum) >= (unsigned)numsectors) return; bfirst_search_init(sectlist, sectbitmap, &nsecs, numsectors, *sectnum); for (sectcnt=0; sectcntwallptr; int32_t endwall = sec->wallptr + sec->wallnum; if (inside(x,y, sectlist[sectcnt]) == 1) { *sectnum = sectlist[sectcnt]; return; } for (j=startwall; j= 0) bfirst_search_try(sectlist, sectbitmap, &nsecs, wall[j].nextsector); } } *sectnum = -1; } void updatesectorexclude(int32_t x, int32_t y, int16_t *sectnum, const uint8_t *excludesectbitmap) { walltype *wal; int32_t i, j; if (*sectnum>=0 && !(excludesectbitmap[*sectnum>>3]&(1<<(*sectnum&7))) && inside(x,y,*sectnum) == 1) return; if ((*sectnum >= 0) && (*sectnum < numsectors)) { wal = &wall[sector[*sectnum].wallptr]; j = sector[*sectnum].wallnum; do { i = wal->nextsector; if (i >= 0) if (!(excludesectbitmap[i>>3]&(1<<(i&7))) && inside(x,y,(int16_t)i) == 1) { *sectnum = i; return; } wal++; j--; } while (j != 0); } for (i=numsectors-1; i>=0; i--) if (!(excludesectbitmap[i>>3]&(1<<(i&7))) && inside(x,y,(int16_t)i) == 1) { *sectnum = i; return; } *sectnum = -1; } // new: if *sectnum >= MAXSECTORS, *sectnum-=MAXSECTORS is considered instead // as starting sector and the 'initial' z check is skipped // (not initial anymore because it follows the sector updating due to TROR) void updatesectorz(int32_t x, int32_t y, int32_t z, int16_t *sectnum) { walltype *wal; int32_t i, j, cz, fz; if ((uint32_t)(*sectnum) < 2*MAXSECTORS) { int32_t nofirstzcheck = 0; if (*sectnum >= MAXSECTORS) { *sectnum -= MAXSECTORS; nofirstzcheck = 1; } // this block used to be outside the "if" and caused crashes in Polymost Mapster32 getzsofslope(*sectnum, x, y, &cz, &fz); #ifdef YAX_ENABLE if (z < cz) { i = yax_getneighborsect(x, y, *sectnum, YAX_CEILING, NULL); if (i >= 0 && z >= getceilzofslope(i, x, y)) { *sectnum = i; return; } } if (z > fz) { i = yax_getneighborsect(x, y, *sectnum, YAX_FLOOR, NULL); if (i >= 0 && z <= getflorzofslope(i, x, y)) { *sectnum = i; return; } } #endif if (nofirstzcheck || ((z >= cz) && (z <= fz))) if (inside(x,y,*sectnum) != 0) return; wal = &wall[sector[*sectnum].wallptr]; j = sector[*sectnum].wallnum; do { i = wal->nextsector; if (i >= 0) { // YAX: TODO: check neighboring sectors here too? getzsofslope(i, x, y, &cz, &fz); if ((z >= cz) && (z <= fz)) if (inside(x,y,(int16_t)i) == 1) { *sectnum = i; return; } } wal++; j--; } while (j != 0); } for (i=numsectors-1; i>=0; i--) { getzsofslope(i, x, y, &cz, &fz); if ((z >= cz) && (z <= fz)) if (inside(x,y,(int16_t)i) == 1) { *sectnum = i; return; } } *sectnum = -1; } // // rotatepoint // void rotatepoint(int32_t xpivot, int32_t ypivot, int32_t x, int32_t y, int16_t daang, int32_t *x2, int32_t *y2) { int32_t dacos, dasin; dacos = sintable[(daang+2560)&2047]; dasin = sintable[(daang+2048)&2047]; x -= xpivot; y -= ypivot; *x2 = dmulscale14(x,dacos,-y,dasin) + xpivot; *y2 = dmulscale14(y,dacos,x,dasin) + ypivot; } // // getmousevalues // void getmousevalues(int32_t *mousx, int32_t *mousy, int32_t *bstatus) { readmousexy(mousx,mousy); readmousebstatus(bstatus); } #if KRANDDEBUG # include # define KRD_MAXCALLS 262144 # define KRD_DEPTH 8 static int32_t krd_numcalls=0; static void *krd_fromwhere[KRD_MAXCALLS][KRD_DEPTH]; static int32_t krd_enabled=0; void krd_enable(int which) // 0: disable, 1: rec, 2: play { krd_enabled = which; if (which) Bmemset(krd_fromwhere, 0, sizeof(krd_fromwhere)); } int32_t krd_print(const char *filename) { FILE *fp; int32_t i, j; if (!krd_enabled) return 1; krd_enabled = 0; fp = fopen(filename, "wb"); if (!fp) { OSD_Printf("krd_print (2): fopen"); return 1; } for (i=0; i=KRD_DEPTH || krd_fromwhere[i][j]==NULL) { fprintf(fp, "\n"); break; } fprintf(fp, " [%p]", krd_fromwhere[i][j]); } } krd_numcalls = 0; fclose(fp); return 0; } #endif // KRANDDEBUG // // krand // int32_t krand(void) { // randomseed = (randomseed*27584621)+1; randomseed = (randomseed * 1664525ul) + 221297ul; #if KRANDDEBUG if (krd_enabled) if (krd_numcalls < KRD_MAXCALLS) { backtrace(krd_fromwhere[krd_numcalls], KRD_DEPTH); krd_numcalls++; } #endif return(((uint32_t)randomseed)>>16); } // // getzrange // void getzrange(const vec3_t *pos, int16_t sectnum, int32_t *ceilz, int32_t *ceilhit, int32_t *florz, int32_t *florhit, int32_t walldist, uint32_t cliptype) { sectortype *sec; walltype *wal, *wal2; spritetype *spr; int32_t clipsectcnt, startwall, endwall, tilenum, xoff, yoff, dax, day; int32_t xmin, ymin, xmax, ymax, i, j, k, l, daz, daz2, dx, dy; int32_t x1, y1, x2, y2, x3, y3, x4, y4, ang, cosang, sinang; int32_t xspan, yspan, xrepeat, yrepeat, dasprclipmask, dawalclipmask; int16_t cstat; char clipyou; #ifdef YAX_ENABLE // YAX round, -1:center, 0:ceiling, 1:floor int32_t mcf=-1; #endif spritetype *curspr=NULL; // non-NULL when handling sprite with sector-like clipping int32_t curidx=-1, clipspritecnt; if (sectnum < 0) { *ceilz = INT32_MIN; *ceilhit = -1; *florz = INT32_MAX; *florhit = -1; return; } //Extra walldist for sprites on sector lines i = walldist+MAXCLIPDIST+1; xmin = pos->x-i; ymin = pos->y-i; xmax = pos->x+i; ymax = pos->y+i; getzsofslope(sectnum,pos->x,pos->y,ceilz,florz); *ceilhit = sectnum+16384; *florhit = sectnum+16384; dawalclipmask = (cliptype&65535); dasprclipmask = (cliptype>>16); #ifdef YAX_ENABLE origclipsectorlist[0] = sectnum; origclipsectnum = 1; #endif clipsectorlist[0] = sectnum; clipsectcnt = 0; clipsectnum = 1; clipspritecnt = clipspritenum = 0; #ifdef HAVE_CLIPSHAPE_FEATURE if (0) { beginagain: // replace sector and wall with clip map mapinfo_set(&origmapinfo, &clipmapinfo); clipsectcnt = clipsectnum; // should be a nop, "safety"... } #endif #ifdef YAX_ENABLE restart_grand: #endif do //Collect sectors inside your square first { #ifdef HAVE_CLIPSHAPE_FEATURE if (clipsectcnt>=clipsectnum) { // one set of clip-sprite sectors completed, prepare the next curspr = &sprite[clipspritelist[clipspritecnt]]; if (curidx < 0) // per-sprite init curidx = pictoidx[curspr->picnum]; else curidx = clipinfo[curidx].next; while (curidx>=0 && (curspr->cstat&32) != (sector[sectq[clipinfo[curidx].qbeg]].CM_CSTAT&32)) curidx = clipinfo[curidx].next; if (curidx < 0) { // didn't find matching clipping sectors for sprite clipspritecnt++; continue; } clipsprite_initindex(curidx, curspr, &clipsectcnt, pos); for (i=0; ix,pos->y,&daz,&daz2); getzsofslope(sectq[clipinfo[curidx].qend],pos->x,pos->y,&cz,&fz); hitwhat = (curspr-sprite)+49152; if ((sector[k].ceilingstat&1)==0) { if (pos->z < cz && cz < *florz) { *florz = cz; *florhit = hitwhat; } if (pos->z > daz && daz > *ceilz) { *ceilz = daz; *ceilhit = hitwhat; } } if ((sector[k].floorstat&1)==0) { if (pos->z < daz2 && daz2 < *florz) { *florz = daz2; *florhit = hitwhat; } if (pos->z > fz && fz > *ceilz) { *ceilz = fz; *ceilhit = hitwhat; } } } } #endif sec = §or[clipsectorlist[clipsectcnt]]; startwall = sec->wallptr; endwall = startwall + sec->wallnum; for (j=startwall,wal=&wall[startwall]; jnextsector; if (k >= 0) { wal2 = &wall[wal->point2]; x1 = wal->x; x2 = wal2->x; if ((x1 < xmin) && (x2 < xmin)) continue; if ((x1 > xmax) && (x2 > xmax)) continue; y1 = wal->y; y2 = wal2->y; if ((y1 < ymin) && (y2 < ymin)) continue; if ((y1 > ymax) && (y2 > ymax)) continue; dx = x2-x1; dy = y2-y1; if (dx*(pos->y-y1) < (pos->x-x1)*dy) continue; //back if (dx > 0) dax = dx*(ymin-y1); else dax = dx*(ymax-y1); if (dy > 0) day = dy*(xmax-x1); else day = dy*(xmin-x1); if (dax >= day) continue; if (wal->cstat&dawalclipmask) continue; sec = §or[k]; #ifdef HAVE_CLIPSHAPE_FEATURE if (curspr) { if (k==sectq[clipinfo[curidx].qend]) continue; if ((sec->ceilingstat&1) && (sec->floorstat&1)) continue; } else #endif if (editstatus == 0) { if (((sec->ceilingstat&1) == 0) && (pos->z <= sec->ceilingz+(3<<8))) continue; if (((sec->floorstat&1) == 0) && (pos->z >= sec->floorz-(3<<8))) continue; } for (i=clipsectnum-1; i>=0; i--) if (clipsectorlist[i] == k) break; if (i < 0) clipsectorlist[clipsectnum++] = k; if ((x1 < xmin+MAXCLIPDIST) && (x2 < xmin+MAXCLIPDIST)) continue; if ((x1 > xmax-MAXCLIPDIST) && (x2 > xmax-MAXCLIPDIST)) continue; if ((y1 < ymin+MAXCLIPDIST) && (y2 < ymin+MAXCLIPDIST)) continue; if ((y1 > ymax-MAXCLIPDIST) && (y2 > ymax-MAXCLIPDIST)) continue; if (dx > 0) dax += dx*MAXCLIPDIST; else dax -= dx*MAXCLIPDIST; if (dy > 0) day -= dy*MAXCLIPDIST; else day += dy*MAXCLIPDIST; if (dax >= day) continue; #ifdef YAX_ENABLE if (mcf==-1 && curspr==NULL) origclipsectorlist[origclipsectnum++] = k; #endif //It actually got here, through all the continue's!!! getzsofslope(k, pos->x,pos->y, &daz,&daz2); #ifdef HAVE_CLIPSHAPE_FEATURE if (curspr) { int32_t fz,cz, hitwhat=(curspr-sprite)+49152; getzsofslope(sectq[clipinfo[curidx].qend],pos->x,pos->y,&cz,&fz); if ((sec->ceilingstat&1)==0) { if (pos->z < cz && cz < *florz) { *florz = cz; *florhit = hitwhat; } if (pos->z > daz && daz > *ceilz) { *ceilz = daz; *ceilhit = hitwhat; } } if ((sec->floorstat&1)==0) { if (pos->z < daz2 && daz2 < *florz) { *florz = daz2; *florhit = hitwhat; } if (pos->z > fz && fz > *ceilz) { *ceilz = fz; *ceilhit = hitwhat; } } } else #endif { #ifdef YAX_ENABLE int16_t cb, fb; yax_getbunches(k, &cb, &fb); #endif if (daz > *ceilz) #ifdef YAX_ENABLE if (mcf!=YAX_FLOOR && cb < 0) #endif *ceilz = daz, *ceilhit = k+16384; if (daz2 < *florz) #ifdef YAX_ENABLE if (mcf!=YAX_CEILING && fb < 0) #endif *florz = daz2, *florhit = k+16384; } } } clipsectcnt++; } while (clipsectcnt < clipsectnum || clipspritecnt < clipspritenum); #ifdef HAVE_CLIPSHAPE_FEATURE if (curspr) { mapinfo_set(NULL, &origmapinfo); // restore original map clipsectnum = clipspritenum = 0; // skip the next for loop and check afterwards } #endif for (i=0; i=0; j=nextspritesect[j]) { spr = &sprite[j]; cstat = spr->cstat; if (cstat&dasprclipmask) { #ifdef HAVE_CLIPSHAPE_FEATURE if (clipsprite_try(spr, xmin,ymin, xmax,ymax)) continue; #endif x1 = spr->x; y1 = spr->y; clipyou = 0; switch (cstat&48) { case 0: k = walldist+(spr->clipdist<<2)+1; if ((klabs(x1-pos->x) <= k) && (klabs(y1-pos->y) <= k)) { daz = spr->z; k = ((tilesizy[spr->picnum]*spr->yrepeat)<<1); if (cstat&128) daz += k; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int32_t)((int8_t)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); daz2 = daz - (k<<1); clipyou = 1; } break; case 16: tilenum = spr->picnum; xoff = (int32_t)((int8_t)((picanm[tilenum]>>8)&255))+((int32_t)spr->xoffset); if ((cstat&4) > 0) xoff = -xoff; k = spr->ang; l = spr->xrepeat; dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l; l = tilesizx[tilenum]; k = (l>>1)+xoff; x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l); y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l); if (clipinsideboxline(pos->x,pos->y,x1,y1,x2,y2,walldist+1) != 0) { daz = spr->z; k = ((tilesizy[spr->picnum]*spr->yrepeat)<<1); if (cstat&128) daz += k; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int32_t)((int8_t)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); daz2 = daz-(k<<1); clipyou = 1; } break; case 32: daz = spr->z; daz2 = daz; if ((cstat&64) != 0) if ((pos->z > daz) == ((cstat&8)==0)) continue; tilenum = spr->picnum; xoff = (int32_t)((int8_t)((picanm[tilenum]>>8)&255))+((int32_t)spr->xoffset); yoff = (int32_t)((int8_t)((picanm[tilenum]>>16)&255))+((int32_t)spr->yoffset); if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; // &2047: FIXME ? DNE_BUG_HERE // DNE 1.3D lights camera action (1st level), spr->ang==2306 ang = spr->ang&2047; cosang = sintable[(ang+512)&2047]; sinang = sintable[ang]; xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat; yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat; dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat; x1 += dmulscale16(sinang,dax,cosang,day)-pos->x; y1 += dmulscale16(sinang,day,-cosang,dax)-pos->y; l = xspan*xrepeat; x2 = x1 - mulscale16(sinang,l); y2 = y1 + mulscale16(cosang,l); l = yspan*yrepeat; k = -mulscale16(cosang,l); x3 = x2+k; x4 = x1+k; k = -mulscale16(sinang,l); y3 = y2+k; y4 = y1+k; dax = mulscale14(sintable[(spr->ang-256+512)&2047],walldist+4); day = mulscale14(sintable[(spr->ang-256)&2047],walldist+4); x1 += dax; x2 -= day; x3 -= dax; x4 += day; y1 += day; y2 += dax; y3 -= day; y4 -= dax; if ((y1^y2) < 0) { if ((x1^x2) < 0) clipyou ^= (x1*y2= 0) clipyou ^= 1; } if ((y2^y3) < 0) { if ((x2^x3) < 0) clipyou ^= (x2*y3= 0) clipyou ^= 1; } if ((y3^y4) < 0) { if ((x3^x4) < 0) clipyou ^= (x3*y4= 0) clipyou ^= 1; } if ((y4^y1) < 0) { if ((x4^x1) < 0) clipyou ^= (x4*y1= 0) clipyou ^= 1; } break; } if (clipyou != 0) { if ((pos->z > daz) && (daz > *ceilz #ifdef YAX_ENABLE || (daz == *ceilz && yax_getbunch(clipsectorlist[i], YAX_CEILING)>=0) #endif )) { *ceilz = daz; *ceilhit = j+49152; } if ((pos->z < daz2) && (daz2 < *florz #ifdef YAX_ENABLE // can have a floor-sprite laying directly on the floor! || (daz2 == *florz && yax_getbunch(clipsectorlist[i], YAX_FLOOR)>=0) #endif )) { *florz = daz2; *florhit = j+49152; } } } } } #ifdef HAVE_CLIPSHAPE_FEATURE if (clipspritenum>0) goto beginagain; #endif #ifdef YAX_ENABLE if (numyaxbunches > 0) { int32_t dasecclipmask = yax_waltosecmask(dawalclipmask); int16_t cb, fb, didchange; yax_getbunches(sectnum, &cb, &fb); mcf++; clipsectcnt = 0; clipsectnum = 0; didchange = 0; if (cb>=0 && mcf==0 && *ceilhit==sectnum+16384) { for (i=0; i= 0) if (sector[j].ceilingstat&dasecclipmask) break; } if (i==origclipsectnum) for (i=0; ix,pos->y, j)==1) { clipsectorlist[clipsectnum++] = j; daz = getceilzofslope(j, pos->x,pos->y); if (!didchange || daz > *ceilz) didchange=1, *ceilhit = j+16384, *ceilz = daz; } } if (clipsectnum==0) mcf++; } else if (mcf==0) mcf++; didchange = 0; if (fb>=0 && mcf==1 && *florhit==sectnum+16384) { for (i=0; i= 0) if (sector[j].floorstat&dasecclipmask) break; } // (almost) same as above, but with floors... if (i==origclipsectnum) for (i=0; ix,pos->y, j)==1) { clipsectorlist[clipsectnum++] = j; daz = getflorzofslope(j, pos->x,pos->y); if (!didchange || daz < *florz) didchange=1, *florhit = j+16384, *florz = daz; } } } if (clipsectnum > 0) { // sector-like sprite re-init: curidx = -1; curspr = NULL; clipspritecnt = 0; clipspritenum = 0; goto restart_grand; } } #endif } void setaspect_new() { if (r_usenewaspect && newaspect_enable && getrendermode()!=4) { // the correction factor 100/107 has been found // out experimentally. squares ftw! int32_t vr, yx=(65536*4*100)/(3*107); int32_t y, x; if (fullscreen) { x=r_screenxy/100; y=r_screenxy%100; if (y==0 || x==0) { x=4; y=3; } } else { x = xdim; y = ydim; } vr = (65536*x*3)/(y*4); setaspect(vr, yx); } else setaspect(65536, divscale16(ydim*320, xdim*200)); } // // setview // void setview(int32_t x1, int32_t y1, int32_t x2, int32_t y2) { int32_t i; windowx1 = x1; wx1 = (x1<<12); windowy1 = y1; wy1 = (y1<<12); windowx2 = x2; wx2 = ((x2+1)<<12); windowy2 = y2; wy2 = ((y2+1)<<12); xdimen = (x2-x1)+1; halfxdimen = (xdimen>>1); xdimenrecip = divscale32(1L,xdimen); ydimen = (y2-y1)+1; setaspect_new(); for (i=0; i cx2) || (cy1 > cy2)) return; if (z <= 16) return; if (picanm[picnum]&192) picnum += animateoffs(picnum,(int16_t)0xc000); if ((tilesizx[picnum] <= 0) || (tilesizy[picnum] <= 0)) return; if (((dastat&128) == 0) || (numpages < 2) || (beforedrawrooms != 0)) { begindrawing(); //{{{ dorotatesprite(sx,sy,z,a,picnum,dashade,dapalnum,dastat,cx1,cy1,cx2,cy2,guniqhudid); enddrawing(); //}}} } if ((dastat&64) && (cx1 <= 0) && (cy1 <= 0) && (cx2 >= xdim-1) && (cy2 >= ydim-1) && (sx == (160<<16)) && (sy == (100<<16)) && (z == 65536L) && (a == 0) && ((dastat&1) == 0)) permhead = permtail = 0; if ((dastat&128) == 0) return; if (numpages >= 2) { per = &permfifo[permhead]; per->sx = sx; per->sy = sy; per->z = z; per->a = a; per->picnum = picnum; per->dashade = dashade; per->dapalnum = dapalnum; per->dastat = dastat; per->pagesleft = numpages+((beforedrawrooms&1)<<7); per->cx1 = cx1; per->cy1 = cy1; per->cx2 = cx2; per->cy2 = cy2; per->uniqid = guniqhudid; //JF extension //Would be better to optimize out true bounding boxes if (dastat&64) //If non-masking write, checking for overlapping cases { for (i=permtail; i!=permhead; i=((i+1)&(MAXPERMS-1))) { per2 = &permfifo[i]; if ((per2->pagesleft&127) == 0) continue; if (per2->sx != per->sx) continue; if (per2->sy != per->sy) continue; if (per2->z != per->z) continue; if (per2->a != per->a) continue; if (tilesizx[per2->picnum] > tilesizx[per->picnum]) continue; if (tilesizy[per2->picnum] > tilesizy[per->picnum]) continue; if (per2->cx1 < per->cx1) continue; if (per2->cy1 < per->cy1) continue; if (per2->cx2 > per->cx2) continue; if (per2->cy2 > per->cy2) continue; per2->pagesleft = 0; } if ((per->z == 65536) && (per->a == 0)) for (i=permtail; i!=permhead; i=((i+1)&(MAXPERMS-1))) { per2 = &permfifo[i]; if ((per2->pagesleft&127) == 0) continue; if (per2->z != 65536) continue; if (per2->a != 0) continue; if (per2->cx1 < per->cx1) continue; if (per2->cy1 < per->cy1) continue; if (per2->cx2 > per->cx2) continue; if (per2->cy2 > per->cy2) continue; if ((per2->sx>>16) < (per->sx>>16)) continue; if ((per2->sy>>16) < (per->sy>>16)) continue; if ((per2->sx>>16)+tilesizx[per2->picnum] > (per->sx>>16)+tilesizx[per->picnum]) continue; if ((per2->sy>>16)+tilesizy[per2->picnum] > (per->sy>>16)+tilesizy[per->picnum]) continue; per2->pagesleft = 0; } } permhead = ((permhead+1)&(MAXPERMS-1)); } } // // makepalookup // void makepalookup(int32_t palnum, const char *remapbuf, int8_t r, int8_t g, int8_t b, char dastat) { int32_t i, j, palscale; const char *ptr; char *ptr2; if (paletteloaded == 0) return; if ((unsigned)palnum >= MAXPALOOKUPS) return; if (palookup[palnum] == NULL) { //Allocate palookup buffer if ((palookup[palnum] = (char *)Bmalloc(numshades<<8)) == NULL) allocache((intptr_t *)&palookup[palnum],numshades<<8,&permanentlock); } if (dastat == 0) return; if ((r|g|b|63) != 63) return; if ((r|g|b) == 0) { // "black fog"/visibility case -- only remap color indices for (i=0; i<256; i++) { ptr = (char *)(FP_OFF(palookup[0])+remapbuf[i]); ptr2 = (char *)(FP_OFF(palookup[palnum])+i); for (j=0; j= MAXBASEPALS) thebasepalcount = MAXBASEPALS - 1; basepaltableptr = thebasepaltable; basepalcount = thebasepalcount; } // // setbrightness // // flags: // 1: don't setpalette(), DON'T USE THIS FLAG! // 2: don't gltexinvalidateall() // 4: don't calc curbrightness from dabrightness, DON'T USE THIS FLAG! // 8: don't gltexinvalidate8() // 16: don't reset palfade* void setbrightness(char dabrightness, uint8_t dapalid, uint8_t flags) { int32_t i, j, paldidchange=0; const uint8_t *dapal; // uint32_t lastbright = curbrightness; assert((flags&(1+4))==0); if (dapalid >= basepalcount) dapalid = 0; curbasepal = dapalid; dapal = basepaltableptr[dapalid]; if (!(flags&4)) { curbrightness = min(max((int32_t)dabrightness,0),15); // if (lastbright != (unsigned)curbrightness) // vid_gamma = 1.0 + ((float)curbrightness / 10.0); } j = 0; if (setgamma()) j = curbrightness; for (i=0; i<256; i++) { // save palette without any brightness adjustment curpalette[i].r = dapal[i*3+0] << 2; curpalette[i].g = dapal[i*3+1] << 2; curpalette[i].b = dapal[i*3+2] << 2; curpalette[i].f = 0; // brightness adjust the palette curpalettefaded[i].b = britable[j][ curpalette[i].b ]; curpalettefaded[i].g = britable[j][ curpalette[i].g ]; curpalettefaded[i].r = britable[j][ curpalette[i].r ]; curpalettefaded[i].f = 0; } if ((flags&16) && palfadedelta) // keep the fade setpalettefade_calc(palfadedelta>>2); { static uint32_t lastpalettesum=0; uint32_t newpalettesum = crc32once((uint8_t *)curpalettefaded, sizeof(curpalettefaded)); paldidchange = (newpalettesum != lastpalettesum); if (paldidchange || newpalettesum != g_lastpalettesum) { if ((flags&1) == 0) setpalette(0,256); } g_lastpalettesum = lastpalettesum = newpalettesum; } #ifdef USE_OPENGL if (rendmode >= 3) { // only reset the textures if the corresponding preserve flags are clear and // either (a) the new palette is different to the last, or (b) the brightness // changed and we couldn't set it using hardware gamma if (!(flags&2) && paldidchange) gltexinvalidateall(); if (!(flags&8) && paldidchange) gltexinvalidate8(); #ifdef POLYMER if ((rendmode == 4) && paldidchange) polymer_texinvalidate(); #endif } #endif if ((flags&16)==0) { palfadergb.r = palfadergb.g = palfadergb.b = 0; palfadedelta = 0; } } static inline palette_t getpal(int32_t col) { if (gammabrightness) return curpalette[col]; else { palette_t p; p.b = britable[curbrightness][ curpalette[col].b ]; p.g = britable[curbrightness][ curpalette[col].g ]; p.r = britable[curbrightness][ curpalette[col].r ]; //#ifdef __APPLE__ p.f = 0; // make gcc on osx happy //#endif return p; } } static void setpalettefade_calc(uint8_t offset) { int32_t i; palette_t p; for (i=0; i<256; i++) { p = getpal(i); curpalettefaded[i].b = p.b + (((palfadergb.b - p.b) * offset) >> 6); curpalettefaded[i].g = p.g + (((palfadergb.g - p.g) * offset) >> 6); curpalettefaded[i].r = p.r + (((palfadergb.r - p.r) * offset) >> 6); curpalettefaded[i].f = 0; } } // // setpalettefade // void setpalettefade(char r, char g, char b, char offset) { palfadergb.r = min(63,r) << 2; palfadergb.g = min(63,g) << 2; palfadergb.b = min(63,b) << 2; palfadedelta = min(63,offset) << 2; setpalettefade_calc(offset); { static uint32_t lastpalettesum=0; uint32_t newpalettesum = crc32once((uint8_t *)curpalettefaded, sizeof(curpalettefaded)); if (newpalettesum != lastpalettesum || newpalettesum != g_lastpalettesum) { setpalette(0,256); } g_lastpalettesum = lastpalettesum = newpalettesum; } } // // clearview // void clearview(int32_t dacol) { intptr_t p; int32_t y, dx; if (qsetmode != 200) return; #ifdef USE_OPENGL if (rendmode >= 3) { palette_t p = getpal(dacol); bglClearColor(((float)p.r)/255.0, ((float)p.g)/255.0, ((float)p.b)/255.0, 0); bglClear(GL_COLOR_BUFFER_BIT); return; } #endif begindrawing(); //{{{ dx = windowx2-windowx1+1; //dacol += (dacol<<8); dacol += (dacol<<16); p = frameplace+ylookup[windowy1]+windowx1; for (y=windowy1; y<=windowy2; y++) { //clearbufbyte((void*)p,dx,dacol); Bmemset((void *)p,dacol,dx); p += ylookup[1]; } enddrawing(); //}}} faketimerhandler(); } // // clearallviews // void clearallviews(int32_t dacol) { if (qsetmode != 200) return; //dacol += (dacol<<8); dacol += (dacol<<16); #ifdef USE_OPENGL if (rendmode >= 3) { palette_t p = getpal(dacol); bglViewport(0,0,xdim,ydim); glox1 = -1; bglClearColor(((float)p.r)/255.0, ((float)p.g)/255.0, ((float)p.b)/255.0, 0); bglClear(GL_COLOR_BUFFER_BIT); return; } #endif begindrawing(); //{{{ Bmemset((void *)frameplace,dacol,bytesperline*yres); enddrawing(); //}}} //nextpage(); faketimerhandler(); } // // plotpixel // void plotpixel(int32_t x, int32_t y, char col) { #ifdef USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { palette_t p = getpal(col); setpolymost2dview(); // JBF 20040205: more efficient setup // bglBegin(GL_POINTS); // bglColor4ub(p.r,p.g,p.b,255); // bglVertex2i(x,y); // bglEnd(); bglRasterPos4i(x, y, 0, 1); bglDrawPixels(1, 1, GL_RGB, GL_UNSIGNED_BYTE, &p); bglRasterPos4i(0, 0, 0, 1); return; } #endif begindrawing(); //{{{ drawpixel_safe((void *)(ylookup[y]+x+frameplace),(int32_t)col); enddrawing(); //}}} } void plotlines2d(const int32_t *xx, const int32_t *yy, int32_t numpoints, char col) { int32_t i; #ifdef USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { palette_t p = getpal(col); bglBegin(GL_LINE_STRIP); bglColor4ub(p.r, p.g, p.b, 1); for (i=0; i= 3 && qsetmode == 200) return 0; #endif begindrawing(); //{{{ r = readpixel((void *)(ylookup[y]+x+frameplace)); enddrawing(); //}}} return(r); } //MUST USE RESTOREFORDRAWROOMS AFTER DRAWING // // setviewtotile // void setviewtotile(int16_t tilenume, int32_t xsiz, int32_t ysiz) { int32_t i, j; //DRAWROOMS TO TILE BACKUP&SET CODE tilesizx[tilenume] = xsiz; tilesizy[tilenume] = ysiz; bakxsiz[setviewcnt] = xsiz; bakysiz[setviewcnt] = ysiz; bakframeplace[setviewcnt] = frameplace; frameplace = waloff[tilenume]; bakwindowx1[setviewcnt] = windowx1; bakwindowy1[setviewcnt] = windowy1; bakwindowx2[setviewcnt] = windowx2; bakwindowy2[setviewcnt] = windowy2; #ifdef USE_OPENGL if (setviewcnt == 0) { bakrendmode = rendmode; baktile = tilenume; } rendmode = 0;//2; #endif copybufbyte(&startumost[windowx1],&bakumost[windowx1],(windowx2-windowx1+1)*sizeof(bakumost[0])); copybufbyte(&startdmost[windowx1],&bakdmost[windowx1],(windowx2-windowx1+1)*sizeof(bakdmost[0])); setviewcnt++; offscreenrendering = 1; setview(0,0,ysiz-1,xsiz-1); setaspect(65536,65536); j = 0; for (i=0; i<=xsiz; i++) { ylookup[i] = j, j += ysiz; } setvlinebpl(ysiz); } // // setviewback // extern char modechange; void setviewback(void) { int32_t i, j, k; if (setviewcnt <= 0) return; setviewcnt--; offscreenrendering = (setviewcnt>0); #ifdef USE_OPENGL if (setviewcnt == 0) { rendmode = bakrendmode; invalidatetile(baktile,-1,-1); } #endif setview(bakwindowx1[setviewcnt],bakwindowy1[setviewcnt], bakwindowx2[setviewcnt],bakwindowy2[setviewcnt]); copybufbyte(&bakumost[windowx1],&startumost[windowx1],(windowx2-windowx1+1)*sizeof(startumost[0])); copybufbyte(&bakdmost[windowx1],&startdmost[windowx1],(windowx2-windowx1+1)*sizeof(startdmost[0])); frameplace = bakframeplace[setviewcnt]; if (setviewcnt == 0) k = bakxsiz[0]; else k = max(bakxsiz[setviewcnt-1],bakxsiz[setviewcnt]); j = 0; for (i=0; i<=k; i++) ylookup[i] = j, j += bytesperline; setvlinebpl(bytesperline); modechange=1; } // // squarerotatetile // void squarerotatetile(int16_t tilenume) { int32_t siz; //supports square tiles only for rotation part if ((siz = tilesizx[tilenume]) == tilesizy[tilenume]) { int32_t i = siz-1; for (; i>=0; i--) { int32_t j=(i>>1)-1; char *ptr1 = (char *)(waloff[tilenume]+i*(siz+1)), *ptr2 = ptr1; if (i&1) swapchar(--ptr1, (ptr2 -= siz)); for (; j>=0; j--) swapchar2((ptr1 -= 2), (ptr2 -= (siz<<1)), siz); } } } // // preparemirror // void preparemirror(int32_t dax, int32_t day, int32_t daz, int16_t daang, int32_t dahoriz, int16_t dawall, int16_t dasector, int32_t *tposx, int32_t *tposy, int16_t *tang) { int32_t i, j, x, y, dx, dy; UNREFERENCED_PARAMETER(daz); UNREFERENCED_PARAMETER(dahoriz); UNREFERENCED_PARAMETER(dasector); x = wall[dawall].x; dx = wall[wall[dawall].point2].x-x; y = wall[dawall].y; dy = wall[wall[dawall].point2].y-y; j = dx*dx + dy*dy; if (j == 0) return; i = (((dax-x)*dx + (day-y)*dy)<<1); *tposx = (x<<1) + scale(dx,i,j) - dax; *tposy = (y<<1) + scale(dy,i,j) - day; *tang = (((getangle(dx,dy)<<1)-daang)&2047); inpreparemirror = 1; } // // completemirror // void completemirror(void) { int32_t i, dy; intptr_t p; #ifdef USE_OPENGL if (rendmode) return; #endif //Can't reverse with uninitialized data if (inpreparemirror) { inpreparemirror = 0; return; } if (mirrorsx1 > 0) mirrorsx1--; if (mirrorsx2 < windowx2-windowx1-1) mirrorsx2++; if (mirrorsx2 < mirrorsx1) return; begindrawing(); p = frameplace + ylookup[windowy1+mirrorsy1] + windowx1+mirrorsx1; i = windowx2-windowx1-mirrorsx2-mirrorsx1; mirrorsx2 -= mirrorsx1; for (dy=mirrorsy2-mirrorsy1-1; dy>=0; dy--) { copybufbyte((void *)(p+1),tempbuf,mirrorsx2+1); tempbuf[mirrorsx2] = tempbuf[mirrorsx2-1]; copybufreverse(&tempbuf[mirrorsx2],(void *)(p+i),mirrorsx2+1); p += ylookup[1]; faketimerhandler(); } enddrawing(); } // // sectorofwall // static int32_t sectorofwall_internal(int16_t theline) { int32_t i, gap; gap = (numsectors>>1); i = gap; while (gap > 1) { gap >>= 1; if (sector[i].wallptr < theline) i += gap; else i -= gap; } while (sector[i].wallptr > theline) i--; while (sector[i].wallptr+sector[i].wallnum <= theline) i++; return(i); } int32_t sectorofwall(int16_t theline) { int32_t i; if ((theline < 0) || (theline >= numwalls)) return(-1); i = wall[theline].nextwall; if (i >= 0 && i < MAXWALLS) return(wall[i].nextsector); return sectorofwall_internal(theline); } int32_t sectorofwall_noquick(int16_t theline) { if ((theline < 0) || (theline >= numwalls)) return(-1); return sectorofwall_internal(theline); } // // getceilzofslope // int32_t getceilzofslope(int16_t sectnum, int32_t dax, int32_t day) { if (!(sector[sectnum].ceilingstat&2)) return(sector[sectnum].ceilingz); { int32_t dx, dy, i, j; walltype *wal; wal = &wall[sector[sectnum].wallptr]; dx = wall[wal->point2].x-wal->x; dy = wall[wal->point2].y-wal->y; i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return(sector[sectnum].ceilingz); j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x); return(sector[sectnum].ceilingz+(scale(sector[sectnum].ceilingheinum,j>>1,i)<<1)); } } // // getflorzofslope // int32_t getflorzofslope(int16_t sectnum, int32_t dax, int32_t day) { if (!(sector[sectnum].floorstat&2)) return(sector[sectnum].floorz); { int32_t dx, dy, i, j; walltype *wal; wal = &wall[sector[sectnum].wallptr]; dx = wall[wal->point2].x-wal->x; dy = wall[wal->point2].y-wal->y; i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return(sector[sectnum].floorz); j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x); return(sector[sectnum].floorz+(scale(sector[sectnum].floorheinum,j>>1,i)<<1)); } } // // getzsofslope // void getzsofslope(int16_t sectnum, int32_t dax, int32_t day, int32_t *ceilz, int32_t *florz) { int32_t dx, dy, i, j; walltype *wal, *wal2; sectortype *sec; sec = §or[sectnum]; *ceilz = sec->ceilingz; *florz = sec->floorz; if ((sec->ceilingstat|sec->floorstat)&2) { wal = &wall[sec->wallptr]; wal2 = &wall[wal->point2]; dx = wal2->x-wal->x; dy = wal2->y-wal->y; i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return; j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x); if (sec->ceilingstat&2) *ceilz = (*ceilz)+(scale(sec->ceilingheinum,j>>1,i)<<1); if (sec->floorstat&2) *florz = (*florz)+(scale(sec->floorheinum,j>>1,i)<<1); } } // // alignceilslope // void alignceilslope(int16_t dasect, int32_t x, int32_t y, int32_t z) { int32_t i, dax, day; walltype *wal; wal = &wall[sector[dasect].wallptr]; dax = wall[wal->point2].x-wal->x; day = wall[wal->point2].y-wal->y; i = (y-wal->y)*dax - (x-wal->x)*day; if (i == 0) return; sector[dasect].ceilingheinum = scale((z-sector[dasect].ceilingz)<<8, nsqrtasm(dax*dax+day*day),i); if (sector[dasect].ceilingheinum == 0) sector[dasect].ceilingstat &= ~2; else sector[dasect].ceilingstat |= 2; } // // alignflorslope // void alignflorslope(int16_t dasect, int32_t x, int32_t y, int32_t z) { int32_t i, dax, day; walltype *wal; wal = &wall[sector[dasect].wallptr]; dax = wall[wal->point2].x-wal->x; day = wall[wal->point2].y-wal->y; i = (y-wal->y)*dax - (x-wal->x)*day; if (i == 0) return; sector[dasect].floorheinum = scale((z-sector[dasect].floorz)<<8, nsqrtasm(dax*dax+day*day),i); if (sector[dasect].floorheinum == 0) sector[dasect].floorstat &= ~2; else sector[dasect].floorstat |= 2; } // // loopnumofsector // int32_t loopnumofsector(int16_t sectnum, int16_t wallnum) { int32_t i, numloops, startwall, endwall; numloops = 0; startwall = sector[sectnum].wallptr; endwall = startwall + sector[sectnum].wallnum; for (i=startwall; i= startwall+danumwalls)) return; tmpwall = Bmalloc(danumwalls * sizeof(walltype)); if (!tmpwall) { initprintf("setfirstwall: OUT OF MEMORY!\n"); return; } Bmemcpy(tmpwall, &wall[startwall], danumwalls*sizeof(walltype)); // for (i=0; i 0) { j = 0; while (loopnumofsector(sectnum,j+startwall) != dagoalloop) j++; for (i=0; i= danumwalls) k -= danumwalls; Bmemcpy(&wall[startwall+i], &tmpwall[k], sizeof(walltype)); wall[startwall+i].point2 += danumwalls-startwall-j; if (wall[startwall+i].point2 >= danumwalls) wall[startwall+i].point2 -= danumwalls; wall[startwall+i].point2 += startwall; } newfirstwall += danumwalls-j; if (newfirstwall >= startwall+danumwalls) newfirstwall -= danumwalls; } for (i=0; i= numwallsofloop) k -= numwallsofloop; Bmemcpy(&wall[startwall+i], &tmpwall[k], sizeof(walltype)); wall[startwall+i].point2 += numwallsofloop-newfirstwall; if (wall[startwall+i].point2 >= numwallsofloop) wall[startwall+i].point2 -= numwallsofloop; wall[startwall+i].point2 += startwall; } for (i=startwall; i= 0) wall[wall[i].nextwall].nextwall = i; #ifdef YAX_ENABLE { int16_t cb, fb; yax_getbunches(sectnum, &cb, &fb); if (cb>=0 || fb>=0) { for (i=startwall; i= 0) yax_setnextwall(j, YAX_FLOOR, i); j = yax_getnextwall(i, YAX_FLOOR); if (j >= 0) yax_setnextwall(j, YAX_CEILING, i); } } } #endif Bfree(tmpwall); } // // drawline256 // void drawline256(int32_t x1, int32_t y1, int32_t x2, int32_t y2, char col) { int32_t dx, dy, i, j, inc, plc, daend; intptr_t p; col = palookup[0][col]; #ifdef USE_OPENGL if (rendmode >= 3) { palette_t p = getpal(col); setpolymost2dview(); // JBF 20040205: more efficient setup //bglEnable(GL_BLEND); // When using line antialiasing, this is needed bglBegin(GL_LINES); bglColor4ub(p.r,p.g,p.b,255); bglVertex2f((float)x1/4096.0,(float)y1/4096.0); bglVertex2f((float)x2/4096.0,(float)y2/4096.0); bglEnd(); //bglDisable(GL_BLEND); return; } #endif dx = x2-x1; dy = y2-y1; if (dx >= 0) { if ((x1 >= wx2) || (x2 < wx1)) return; if (x1 < wx1) y1 += scale(wx1-x1,dy,dx), x1 = wx1; if (x2 > wx2) y2 += scale(wx2-x2,dy,dx), x2 = wx2; } else { if ((x2 >= wx2) || (x1 < wx1)) return; if (x2 < wx1) y2 += scale(wx1-x2,dy,dx), x2 = wx1; if (x1 > wx2) y1 += scale(wx2-x1,dy,dx), x1 = wx2; } if (dy >= 0) { if ((y1 >= wy2) || (y2 < wy1)) return; if (y1 < wy1) x1 += scale(wy1-y1,dx,dy), y1 = wy1; if (y2 > wy2) x2 += scale(wy2-y2,dx,dy), y2 = wy2; } else { if ((y2 >= wy2) || (y1 < wy1)) return; if (y2 < wy1) x2 += scale(wy1-y2,dx,dy), y2 = wy1; if (y1 > wy2) x1 += scale(wy2-y1,dx,dy), y1 = wy2; } if (klabs(dx) >= klabs(dy)) { if (dx == 0) return; if (dx < 0) { i = x1; x1 = x2; x2 = i; i = y1; y1 = y2; y2 = i; } inc = divscale12(dy,dx); plc = y1+mulscale12((2047-x1)&4095,inc); i = ((x1+2048)>>12); daend = ((x2+2048)>>12); begindrawing(); //{{{ for (; i>12); if ((j >= startumost[i]) && (j < startdmost[i])) drawpixel_safe((void *)(frameplace+ylookup[j]+i),col); plc += inc; } enddrawing(); //}}} } else { if (dy < 0) { i = x1; x1 = x2; x2 = i; i = y1; y1 = y2; y2 = i; } inc = divscale12(dx,dy); plc = x1+mulscale12((2047-y1)&4095,inc); i = ((y1+2048)>>12); daend = ((y2+2048)>>12); begindrawing(); //{{{ p = ylookup[i]+frameplace; for (; i>12); if ((i >= startumost[j]) && (i < startdmost[j])) drawpixel_safe((void *)(j+p),col); plc += inc; p += ylookup[1]; } enddrawing(); //}}} } } //static void attach_here() {} // // drawline16 // // JBF: Had to add extra tests to make sure x-coordinates weren't winding up -'ve // after clipping or crashes would ensue uint32_t drawlinepat = 0xffffffff; int32_t drawline16(int32_t x1, int32_t y1, int32_t x2, int32_t y2, char col) { int32_t i, dx, dy, pinc, d; uint32_t patc=0; intptr_t p; //int32_t odx,ody; //int32_t ox1=x1,oy1=y1, ox2=x2,oy2=y2; dx = x2-x1; dy = y2-y1; //odx=dx; //ody=dy; if (dx >= 0) { if (x1 >= xres || x2 < 0) return 0; if (x1 < 0) { if (dy) y1 += scale(0-x1,dy,dx); x1 = 0; } if (x2 >= xres) { if (dy) y2 += scale(xres-1-x2,dy,dx); x2 = xres-1; } } else { if (x2 >= xres || x1 < 0) return 0; if (x2 < 0) { if (dy) y2 += scale(0-x2,dy,dx); x2 = 0; } if (x1 >= xres) { if (dy) y1 += scale(xres-1-x1,dy,dx); x1 = xres-1; } } if (dy >= 0) { if (y1 >= ydim16 || y2 < 0) return 0; if (y1 < 0) { if (dx) x1 += scale(0-y1,dx,dy); y1 = 0; x1 = clamp(x1, 0, xres-1); } if (y2 >= ydim16) { if (dx) x2 += scale(ydim16-1-y2,dx,dy); y2 = ydim16-1; x2 = clamp(x2, 0, xres-1); } } else { if (y2 >= ydim16 || y1 < 0) return 0; if (y2 < 0) { if (dx) x2 += scale(0-y2,dx,dy); y2 = 0; x2 = clamp(x2, 0, xres-1); } if (y1 >= ydim16) { if (dx) x1 += scale(ydim16-1-y1,dx,dy); y1 = ydim16-1; x1 = clamp(x1, 0, xres-1); } } //if (ox1||ox2||oy1||oy2) // if (x1<0||x1>=xres || y2<0||y2>=yres) // attach_here(); dx = klabs(x2-x1)+1; dy = klabs(y2-y1)+1; if (dx >= dy) { if (x2 < x1) { i = x1; x1 = x2; x2 = i; i = y1; y1 = y2; y2 = i; } d = 0; if (y2 > y1) pinc = bytesperline; else pinc = -bytesperline; begindrawing(); //{{{ p = (y1*bytesperline)+x1+frameplace; if (dy == 0 && drawlinepat == 0xffffffff) { i = ((int32_t)col<<24)|((int32_t)col<<16)|((int32_t)col<<8)|col; clearbufbyte((void *)p, dx, i); } else for (i=dx; i>0; i--) { if (drawlinepat & pow2long[(patc++)&31]) drawpixel((char *)p, col); d += dy; if (d >= dx) { d -= dx; p += pinc; } p++; } enddrawing(); //}}} return 1; } if (y2 < y1) { i = x1; x1 = x2; x2 = i; i = y1; y1 = y2; y2 = i; } d = 0; if (x2 > x1) pinc = 1; else pinc = -1; begindrawing(); //{{{ p = (y1*bytesperline)+x1+frameplace; for (i=dy; i>0; i--) { if (drawlinepat & pow2long[(patc++)&31]) drawpixel((char *)p, col); d += dx; if (d >= dy) { d -= dy; p += pinc; } p += bytesperline; } enddrawing(); //}}} return 1; } static void drawline16mid(int32_t x1, int32_t y1, int32_t x2, int32_t y2, char col) { drawline16(halfxdim16+x1,midydim16+y1, halfxdim16+x2,midydim16+y2, col); } // eccen: eccentricity of the ellipse, // 16384: circle // <16384: shrink in y // >16384: grow in y void drawcircle16(int32_t x1, int32_t y1, int32_t r, int32_t eccen, char col) { if (eccen==16384) { intptr_t p; int32_t xp, yp, xpbpl, ypbpl, d, de, dse, patc=0; uint32_t uxres = xres, uydim16 = ydim16; if (r < 0) r = -r; if (x1+r < 0 || x1-r >= xres) return; if (y1+r < 0 || y1-r >= ydim16) return; /* * d * 6 | 7 * \ | / * 5 \|/ 8 * c----+----a * 4 /|\ 1 * / | \ * 3 | 2 * b */ xp = 0; yp = r; d = 1 - r; de = 2; dse = 5 - (r << 1); begindrawing(); p = (y1*bytesperline)+x1+frameplace; if (drawlinepat & pow2long[(patc++)&31]) { if ((uint32_t)y1 < uydim16 && (uint32_t)(x1+r) < uxres) drawpixel((char *)(p+r), col); // a if ((uint32_t)x1 < uxres && (uint32_t)(y1+r) < uydim16) drawpixel((char *)(p+(r*bytesperline)), col); // b if ((uint32_t)y1 < uydim16 && (uint32_t)(x1-r) < uxres) drawpixel((char *)(p-r), col); // c if ((uint32_t)x1 < uxres && (uint32_t)(y1-r) < uydim16) drawpixel((char *)(p-(r*bytesperline)), col); // d } do { if (d < 0) { d += de; de += 2; dse += 2; xp++; } else { d += dse; de += 2; dse += 4; xp++; yp--; } ypbpl = yp*bytesperline; xpbpl = xp*bytesperline; if (drawlinepat & pow2long[(patc++)&31]) { if ((uint32_t)(x1+yp) < uxres && (uint32_t)(y1+xp) < uydim16) drawpixel_safe((char *)(p+yp+xpbpl), col); // 1 if ((uint32_t)(x1+xp) < uxres && (uint32_t)(y1+yp) < uydim16) drawpixel_safe((char *)(p+xp+ypbpl), col); // 2 if ((uint32_t)(x1-xp) < uxres && (uint32_t)(y1+yp) < uydim16) drawpixel_safe((char *)(p-xp+ypbpl), col); // 3 if ((uint32_t)(x1-yp) < uxres && (uint32_t)(y1+xp) < uydim16) drawpixel_safe((char *)(p-yp+xpbpl), col); // 4 if ((uint32_t)(x1-yp) < uxres && (uint32_t)(y1-xp) < uydim16) drawpixel_safe((char *)(p-yp-xpbpl), col); // 5 if ((uint32_t)(x1-xp) < uxres && (uint32_t)(y1-yp) < uydim16) drawpixel_safe((char *)(p-xp-ypbpl), col); // 6 if ((uint32_t)(x1+xp) < uxres && (uint32_t)(y1-yp) < uydim16) drawpixel_safe((char *)(p+xp-ypbpl), col); // 7 if ((uint32_t)(x1+yp) < uxres && (uint32_t)(y1-xp) < uydim16) drawpixel_safe((char *)(p+yp-xpbpl), col); // 8 } } while (yp > xp); enddrawing(); } else { // JonoF's rough approximation of a circle int32_t l,spx,spy,lpx,lpy,px,py; spx = lpx = x1 + mulscale14(r,sintable[0]); spy = lpy = y1 + mulscale14(eccen, mulscale14(r,sintable[512])); for (l=64; l<2048; l+=64) { px = x1 + mulscale14(r,sintable[l]); py = y1 + mulscale14(eccen, mulscale14(r,sintable[(l+512)&2047])); drawline16(lpx,lpy,px,py,col); lpx = px; lpy = py; } drawline16(lpx,lpy,spx,spy,col); } } // // qsetmodeany // void qsetmodeany(int32_t daxdim, int32_t daydim) { if (daxdim < 640) daxdim = 640; if (daydim < 480) daydim = 480; if (qsetmode != ((daxdim<<16)|(daydim&0xffff))) { g_lastpalettesum = 0; if (setvideomode(daxdim, daydim, 8, fullscreen) < 0) return; xdim = xres; ydim = yres; ydim16 = yres - STATUS2DSIZ2; halfxdim16 = xres >> 1; midydim16 = ydim16 >> 1; // scale(200,yres,480); begindrawing(); //{{{ Bmemset((char *)frameplace, 0, yres*bytesperline); enddrawing(); //}}} } qsetmode = ((daxdim<<16)|(daydim&0xffff)); } // // clear2dscreen // void clear2dscreen(void) { int32_t clearsz; begindrawing(); //{{{ if (ydim16 <= yres-STATUS2DSIZ2) clearsz = yres - STATUS2DSIZ2; else clearsz = yres; Bmemset((char *)frameplace, 0, bytesperline*clearsz); enddrawing(); //}}} } ////////// editor side view ////////// int32_t scalescreeny(int32_t sy) { if (m32_sideview) return mulscale14(sy, m32_sidesin); else return sy; } // return screen coordinates for BUILD coords x and y (relative to current position) void screencoords(int32_t *xres, int32_t *yres, int32_t x, int32_t y, int32_t zoome) { if (m32_sideview) rotatepoint(0,0, x,y, m32_sideang, &x,&y); *xres = mulscale14(x,zoome); *yres = scalescreeny(mulscale14(y,zoome)); } #if 0 void invscreencoords(int32_t *dx, int32_t *dy, int32_t sx, int32_t sy, int32_t zoome) { if (m32_sidesin==0 || zoome==0) { *dx=0; *dy=0; return; } sy = divscale14(divscale14(sy, m32_sidesin), zoome); sx = divscale14(sx, zoome); rotatepoint(0,0, sx,sy, -m32_sideang, dx,dy); } #endif // invscreencoords with sx==0 and sy==getscreenvdisp(dz, zoom) int32_t getinvdisplacement(int32_t *dx, int32_t *dy, int32_t dz) { if (m32_sidesin==0) return 1; dz = (((int64_t)dz * (int64_t)m32_sidecos)/(int64_t)m32_sidesin)>>4; rotatepoint(0,0, 0,dz, -m32_sideang, dx,dy); return 0; } // return vertical screen coordinate displacement for BUILD z coord int32_t getscreenvdisp(int32_t bz, int32_t zoome) { return mulscale32(bz,zoome*m32_sidecos); } void setup_sideview_sincos() { if (m32_sideview) { m32_viewplane.x = 0; m32_viewplane.y = -512; m32_sidesin = sintable[m32_sideelev&2047]; m32_sidecos = sintable[(m32_sideelev+512)&2047]; rotatepoint(0,0, m32_viewplane.x,m32_viewplane.y, -m32_sideang, &m32_viewplane.x,&m32_viewplane.y); m32_viewplane.x = mulscale14(m32_viewplane.x, m32_sidecos); m32_viewplane.y = mulscale14(m32_viewplane.y, m32_sidecos); m32_viewplane.z = m32_sidesin>>5; } } static void sideview_getdist(int16_t sw, int16_t sect) { vec3_t *p; vec3_t v; if (sw>1; v.y = (wall[sw].y + wall[wall[sw].point2].y)>>1; v.z = getflorzofslope(sect, v.x, v.y); p = &v; } else p = (vec3_t *)&sprite[sw-MAXWALLS]; m32_sidedist[sw] = p->x*m32_viewplane.x + p->y*m32_viewplane.y + (p->z>>4)*m32_viewplane.z; } static int sideview_cmppoints(const int16_t *sw1, const int16_t *sw2) { int32_t dist1 = m32_sidedist[*sw1]; int32_t dist2 = m32_sidedist[*sw2]; if (dist2>dist1) return 1; else if (dist1>dist2) return -1; // if (*sw1=0) - (wall[*sw1].nextwall>=0); return 0; } // // draw2dgrid // void draw2dgrid(int32_t posxe, int32_t posye, int32_t posze, int16_t cursectnum, int16_t ange, int32_t zoome, int16_t gride) { int64_t i, xp1, yp1, xp2=0, yp2, tempy; UNREFERENCED_PARAMETER(ange); if (gride <= 0) return; begindrawing(); //{{{ if (m32_sideview) { int32_t sx1,sy1, sx2,sy2, dx=0,dy=0; int32_t xinc=0, yinc=2048>>gride, yofs; // yofs = getscreenvdisp((yinc-posze)&((yinc<<4)-1), zoome); if (cursectnum<0 || cursectnum>=numsectors) yofs = getscreenvdisp(-posze, zoome); else yofs = getscreenvdisp(getflorzofslope(cursectnum, posxe,posye)-posze, zoome); while (scalescreeny(mulscale14(yinc, zoome))==0 && gride>2) { gride--; yinc = 2048>>gride; } xp2 = xp1 = ((posxe+(1024>>gride))&(((int64_t)(-1))<<(11-gride))); yp2 = yp1 = ((posye+(1024>>gride))&(((int64_t)(-1))<<(11-gride))); do { if (xinc==0) { screencoords(&sx1,&sy1, -editorgridextent-posxe,yp2-posye, zoome); if (yp2 == yp1) { screencoords(&sx2,&sy2, editorgridextent-posxe,yp2-posye, zoome); dx = sx2-sx1; dy = sy2-sy1; } yp2 += yinc; } else // if (yinc==0) { screencoords(&sx1,&sy1, xp2-posxe, -editorgridextent-posye, zoome); if (xp2 == xp1) { screencoords(&sx2,&sy2, xp2-posxe, editorgridextent-posye, zoome); dx = sx2-sx1; dy = sy2-sy1; } xp2 += xinc; } i = drawline16(halfxdim16+sx1,midydim16+sy1+yofs, halfxdim16+sx1+dx,midydim16+sy1+dy+yofs, whitecol-25); if (i==0 || (xp2<-editorgridextent || xp2>editorgridextent || yp2<-editorgridextent || yp2>editorgridextent)) { xp2 = xp1; yp2 = yp1; i = 1; if (yinc>0) yinc *= -1; else if (yinc<0) { xinc = -yinc; yinc = 0; } else if (xinc>0) xinc *= -1; else // if (xinc<0) i = 0; } } while (i); } else { // vertical lines yp1 = midydim16-mulscale14(posye+editorgridextent,zoome); if (yp1 < 0) yp1 = 0; yp2 = midydim16-mulscale14(posye-editorgridextent,zoome); if (yp2 >= ydim16) yp2 = ydim16-1; if ((yp1 < ydim16) && (yp2 >= 0) && (yp2 >= yp1)) { xp1 = halfxdim16-mulscale14(posxe+editorgridextent,zoome); for (i=-editorgridextent; i<=editorgridextent; i+=(2048>>gride)) { xp2 = xp1; xp1 = halfxdim16-mulscale14(posxe-i,zoome); if (xp1 >= xdim) break; if (xp1 >= 0) { if (xp1 != xp2) drawline16(xp1,yp1,xp1,yp2,whitecol-25); } } if (i >= editorgridextent && xp1 < xdim) xp2 = xp1; if (xp2 >= 0 && xp2 < xdim) drawline16(xp2,yp1, xp2,yp2, whitecol-25); } // horizontal lines xp1 = mulscale14(posxe+editorgridextent,zoome); xp2 = mulscale14(posxe-editorgridextent,zoome); tempy = 0x80000000l; for (i=-editorgridextent; i<=editorgridextent; i+=(2048>>gride)) { yp1 = ((posye-i)*zoome)>>14; if (yp1 != tempy) { if ((yp1 > midydim16-ydim16) && (yp1 <= midydim16)) { drawline16mid(-xp1,-yp1, -xp2,-yp1, whitecol-25); tempy = yp1; } } } } enddrawing(); //}}} } static void drawscreen_drawwall(int32_t i, int32_t posxe, int32_t posye, int32_t posze, int32_t zoome, int32_t grayp) { const walltype *wal = &wall[i]; int32_t sect=0, j, x1, y1, x2, y2, dz = 0, dz2 = 0; int32_t fz=0,fzn=0; // intptr_t tempint; char col; int64_t dist,dx,dy; j = wal->nextwall; #if 0 if (editstatus == 0) { if ((show2dwall[i>>3]&pow2char[i&7]) == 0) return; if ((j >= 0) && (i > j)) if ((show2dwall[j>>3]&pow2char[j&7]) > 0) return; } else #endif { if (!m32_sideview && !(grayp&2) && (j >= 0) && (i > j)) return; } if (grayp&1) { col = 8; } else if (j < 0) { col = 15; if (i == linehighlight) col = (totalclock & 16) ? 15 : 7; } else { col = 33; if ((wal->cstat&1) != 0) col = 5; if (wal->nextwall >= 0 && ((wal->cstat^wall[j].cstat)&1)) col = 2; if ((i == linehighlight) || ((linehighlight >= 0) && (i == wall[linehighlight].nextwall))) if (totalclock & 16) col += (2<<2); } screencoords(&x1,&y1, wal->x-posxe,wal->y-posye, zoome); screencoords(&x2,&y2, wall[wal->point2].x-posxe,wall[wal->point2].y-posye, zoome); dx = wal->x-wall[wal->point2].x; dy = wal->y-wall[wal->point2].y; dist = dx*dx+dy*dy; if (dist > 0xffffffffll) { col=9; if (i == linehighlight || ((linehighlight >= 0) && (i == wall[linehighlight].nextwall))) if (totalclock & 16) col -= (2<<2); } else if (showfirstwall && searchsector>=0 && (sector[searchsector].wallptr == i || sector[searchsector].wallptr == wall[i].nextwall)) { col = 14; if (i == linehighlight) if (totalclock & 16) col -= (2<<2); } else if (circlewall >= 0 && (i == circlewall || wal->nextwall == circlewall)) col = 14; if (m32_sideview) { // draw vertical line to neighboring wall int32_t fz2; sect = sectorofwall(i); fz = getflorzofslope(sect, wal->x,wal->y); fz2 = getflorzofslope(sect, wall[wal->point2].x,wall[wal->point2].y); dz = getscreenvdisp(fz-posze,zoome); dz2 = getscreenvdisp(fz2-posze,zoome); y1 += dz; y2 += dz2; if (wal->nextwall>=0) { fzn = getflorzofslope(wal->nextsector, wal->x,wal->y); // if (i < wall[j].point2) drawline16mid(x1,y1, x1,y1+getscreenvdisp(fzn-fz,zoome), editorcolors[col]); } #ifdef YAX_ENABLE { int16_t nw = yax_getnextwall(i, YAX_CEILING); if (nw >= 0) { int32_t odrawlinepat = drawlinepat; fz2 = getflorzofslope(sectorofwall(nw), wall[nw].x,wall[nw].y); drawlinepat = 0x11111111; drawline16mid(x1,y1, x1,y1+getscreenvdisp(fz2-fz,zoome), editorcolors[col]); drawlinepat = odrawlinepat; } } #endif m32_wallscreenxy[i][0] = halfxdim16+x1; m32_wallscreenxy[i][1] = midydim16+y1; } if (wal->cstat&64) // if hitscan bit set { int32_t one=(klabs(x2-x1) >= klabs(y2-y1)), no=!one; drawline16mid(x1+no,y1+one, x2+no,y2+one, editorcolors[col]); drawline16mid(x1-no,y1-one, x2-no,y2-one, editorcolors[col]); col += 8; } drawline16mid(x1,y1, x2,y2, editorcolors[col]); if (showheightindicators && !m32_sideview) { int32_t dax,day, k=getangle(x1-x2, y1-y2); //+angofs; screencoords(&dax,&day, ((wal->x+wall[wal->point2].x)>>1)-posxe,((wal->y+wall[wal->point2].y)>>1)-posye, zoome); if (m32_sideview) day += (dz2+dz)>>1; if (wal->nextsector >= 0) { int32_t ii = sector[sectorofwall(i)].floorz; int32_t jj = sector[wal->nextsector].floorz; if (jj == ii && showheightindicators > 1) { int32_t dax3 = mulscale11(sintable[(k+1024)&2047],zoome) / 2560; int32_t day3 = mulscale11(sintable[(k+512)&2047],zoome) / 2560; int32_t dax2 = mulscale11(sintable[(k+2048)&2047],zoome) / 2560; int32_t day2 = mulscale11(sintable[(k+1536)&2047],zoome) / 2560; day2 = scalescreeny(day2); day3 = scalescreeny(day3); drawline16mid(dax+dax3,day+day3, dax+dax2,day+day2, editorcolors[col]); } else { int32_t bb = (jj < ii); int32_t dax2 = mulscale11(sintable[(k+1024 + 1024*bb)&2047],zoome) / 2560; int32_t day2 = mulscale11(sintable[(k+512 + 1024*bb)&2047],zoome) / 2560; day2 = scalescreeny(day2); drawline16mid(dax,day, dax+dax2,day+day2, editorcolors[col]); } } else if (showheightindicators > 1) { int32_t dax2 = mulscale11(sintable[(k+2048)&2047],zoome) / 2560; int32_t day2 = mulscale11(sintable[(k+1536)&2047],zoome) / 2560; day2 = scalescreeny(day2); drawline16mid(dax,day, dax+dax2,day+day2, editorcolors[col]); } } if (zoome >= 256 && editstatus == 1) if ((halfxdim16+x1 >= 2) && (halfxdim16+x1 <= xdim-3) && (midydim16+y1 >= 2) && (midydim16+y1 <= ydim16-3)) { int32_t pointsize = 2; if (i == pointhighlight || ((pointhighlight < MAXWALLS) && (pointhighlight >= 0) && (wall[i].x == wall[pointhighlight].x) && (wall[i].y == wall[pointhighlight].y))) { if (totalclock & 16) pointsize++; } else //if (highlightcnt > 0) { if (show2dwall[i>>3]&pow2char[i&7]) { if (totalclock & 16) pointsize++; } } col = 15; if (m32_sideview) { if (wal->nextwall >= 0) { if (fz < fzn) col = 7; else if (fz == fzn) col = 4; } } // tempint = ((midydim16+y1)*bytesperline)+(halfxdim16+x1)+frameplace; do drawcircle16(halfxdim16+x1, midydim16+y1, pointsize--, 16384, editorcolors[col]); while (pointsize); } } static void drawscreen_drawsprite(int32_t j, int32_t posxe, int32_t posye, int32_t posze, int32_t zoome) { int32_t x1, y1, x2, y2; char col; int16_t hitblocking=(sprite[j].cstat&256), flooraligned=(sprite[j].cstat&32), wallaligned=(sprite[j].cstat&16); int16_t angofs = m32_sideview ? m32_sideang : 0; if (sprite[j].sectnum<0) col = 4; // red else { col = 3; if (spritecol2d[sprite[j].picnum][0]) col = spritecol2d[sprite[j].picnum][0]; else if ((sprite[j].cstat&1) > 0) { col = 5; if (spritecol2d[sprite[j].picnum][1]) col = spritecol2d[sprite[j].picnum][1]; } } if (editstatus == 1) { if ((pointhighlight) >= 16384 && (j+16384 == pointhighlight || (!m32_sideview && ((sprite[j].x == sprite[pointhighlight-16384].x) && (sprite[j].y == sprite[pointhighlight-16384].y))))) { if (totalclock & 32) col += 8; } else // if (highlightcnt > 0) { if (show2dsprite[j>>3]&pow2char[j&7]) if (totalclock & 32) col += 8; } } screencoords(&x1,&y1, sprite[j].x-posxe,sprite[j].y-posye, zoome); // tempint = ((midydim16+y1)*bytesperline)+(halfxdim16+x1)+frameplace; if (m32_sideview) y1 += getscreenvdisp(sprite[j].z-posze,zoome); if ((halfxdim16+x1 >= 0) && (halfxdim16+x1 < xdim) && (midydim16+y1 >= 0) && (midydim16+y1 < ydim16)) { drawcircle16(halfxdim16+x1, midydim16+y1, 4, 16384, editorcolors[col]); x2 = mulscale11(sintable[(sprite[j].ang+angofs+2560)&2047],zoome) / 768; y2 = mulscale11(sintable[(sprite[j].ang+angofs+2048)&2047],zoome) / 768; y2 = scalescreeny(y2); drawline16mid(x1,y1, x1+x2,y1+y2, editorcolors[col]); if (hitblocking) { drawline16mid(x1,y1+1, x1+x2,y1+y2+1, editorcolors[col]); drawline16mid(x1,y1-1, x1+x2,y1+y2-1, editorcolors[col]); drawline16mid(x1-1,y1, x1+x2-1,y1+y2, editorcolors[col]); drawline16mid(x1+1,y1, x1+x2+1,y1+y2, editorcolors[col]); } if (flooraligned) { int32_t fx = mulscale10(mulscale6(tilesizx[sprite[j].picnum], sprite[j].xrepeat),zoome) >> 1; int32_t fy = mulscale10(mulscale6(tilesizy[sprite[j].picnum], sprite[j].yrepeat),zoome) >> 1; int32_t co[4][2], ii, in; int32_t sinang = sintable[(sprite[j].ang+angofs+1536)&2047]; int32_t cosang = sintable[(sprite[j].ang+angofs+1024)&2047]; int32_t r,s; co[0][0] = co[3][0] = -fx; co[0][1] = co[1][1] = -fy; co[1][0] = co[2][0] = fx; co[2][1] = co[3][1] = fy; for (ii=3; ii>=0; ii--) { r = mulscale14(cosang,co[ii][0]) - mulscale14(sinang,co[ii][1]); s = mulscale14(sinang,co[ii][0]) + mulscale14(cosang,co[ii][1]); s = scalescreeny(s); co[ii][0] = r; co[ii][1] = s; } drawlinepat = 0xcfcfcfcf; for (ii=3; ii>=0; ii--) { in = (ii+1)&3; drawline16mid(x1+co[ii][0], y1-co[ii][1], x1+co[in][0], y1-co[in][1], editorcolors[col]); if (hitblocking) { drawline16mid(x1+co[ii][0], y1-co[ii][1]+1, x1+co[in][0], y1-co[in][1]+1, editorcolors[col]); drawline16mid(x1+co[ii][0], y1-co[ii][1]-1, x1+co[in][0], y1-co[in][1]-1, editorcolors[col]); drawline16mid(x1+co[ii][0]+1, y1-co[ii][1], x1+co[in][0]+1, y1-co[in][1], editorcolors[col]); drawline16mid(x1+co[ii][0]-1, y1-co[ii][1], x1+co[in][0]-1, y1-co[in][1], editorcolors[col]); } drawline16mid(x1, y1, x1 + co[in][0], y1 - co[in][1], editorcolors[col]); } drawlinepat = 0xffffffff; } else if (wallaligned) { int32_t fx = mulscale6(tilesizx[sprite[j].picnum], sprite[j].xrepeat); int32_t one=(((sprite[j].ang+angofs+256)&512) == 0), no=!one; x2 = mulscale11(sintable[(sprite[j].ang+angofs+2560)&2047],zoome) / 6144; y2 = mulscale11(sintable[(sprite[j].ang+angofs+2048)&2047],zoome) / 6144; y2 = scalescreeny(y2); drawline16mid(x1,y1, x1+x2,y1+y2, editorcolors[col]); if (!(sprite[j].cstat&64)) // not 1-sided { drawline16mid(x1,y1, x1-x2,y1-y2, editorcolors[col]); if (hitblocking) { drawline16mid(x1-no,y1-one, x1-x2-no,y1-y2-one, editorcolors[col]); drawline16mid(x1+no,y1+one, x1-x2+no,y1-y2+one, editorcolors[col]); } } if (hitblocking) { drawline16mid(x1-no,y1-one, x1+x2-no,y1+y2-one, editorcolors[col]); drawline16mid(x1+no,y1+one, x1+x2+no,y1+y2+one, editorcolors[col]); } x2 = mulscale13(sintable[(sprite[j].ang+angofs+1024)&2047],zoome) * fx / 4096; y2 = mulscale13(sintable[(sprite[j].ang+angofs+512)&2047],zoome) * fx / 4096; y2 = scalescreeny(y2); drawline16mid(x1,y1, x1-x2,y1-y2, editorcolors[col]); drawline16mid(x1,y1, x1+x2,y1+y2, editorcolors[col]); if (hitblocking) { drawline16mid(x1+1,y1, x1+x2+1,y1+y2, editorcolors[col]); drawline16mid(x1-1,y1, x1-x2-1,y1-y2, editorcolors[col]); drawline16mid(x1-1,y1, x1+x2-1,y1+y2, editorcolors[col]); drawline16mid(x1+1,y1, x1-x2+1,y1-y2, editorcolors[col]); drawline16mid(x1,y1-1, x1+x2,y1+y2-1, editorcolors[col]); drawline16mid(x1,y1+1, x1-x2,y1-y2+1, editorcolors[col]); drawline16mid(x1,y1+1, x1+x2,y1+y2+1, editorcolors[col]); drawline16mid(x1,y1-1, x1-x2,y1-y2-1, editorcolors[col]); } } } } // // draw2dscreen // void draw2dscreen(const vec3_t *pos, int16_t cursectnum, int16_t ange, int32_t zoome, int16_t gride) { int32_t i, j, x1, y1; int16_t angofs = m32_sideview ? m32_sideang : 0; int32_t posxe=pos->x, posye=pos->y, posze=pos->z; uint8_t *graybitmap = (uint8_t *)tempbuf; int32_t alwaysshowgray = (showinnergray || !(editorzrange[0]==INT32_MIN && editorzrange[1]==INT32_MAX)); if (qsetmode == 200) return; setup_sideview_sincos(); begindrawing(); //{{{ if (editstatus == 0) { // faketimerhandler(); clear2dscreen(); // faketimerhandler(); draw2dgrid(posxe,posye,posze,cursectnum,ange,zoome,gride); } faketimerhandler(); m32_swcnt = 0; if (numgraysects==0) Bmemset(graybitmap, 0, (numwalls+7)>>3); else { for (i=0; i>3]&(1<<(i&7))) && (j < 0 || (graywallbitmap[j>>3]&(1<<(j&7))))) graybitmap[i>>3] |= (1<<(i&7)); else graybitmap[i>>3] &= ~(1<<(i&7)); } } if (!m32_sideview) { #ifndef YAX_ENABLE for (i=numwalls-1; i>=0; i--) drawscreen_drawwall(i,posxe,posye,posze,zoome, 0); #else if (alwaysshowgray) for (i=numwalls-1; i>=0; i--) if (graybitmap[i>>3]&(1<<(i&7))) drawscreen_drawwall(i,posxe,posye,posze,zoome, 1+2); for (i=numwalls-1; i>=0; i--) if ((graybitmap[i>>3]&(1<<(i&7)))==0) drawscreen_drawwall(i,posxe,posye,posze,zoome, 2); #endif } else { for (i=0; i= 256 || highlightcnt>0) for (j=0; j>3]&pow2char[j&7])==0) { if (!m32_sideview && sprite[j].sectnum >= 0) YAX_SKIPSECTOR(sprite[j].sectnum); if (zoome<256) continue; } if (!m32_sideview) drawscreen_drawsprite(j,posxe,posye,posze,zoome); else { m32_wallsprite[m32_swcnt++] = MAXWALLS+j; sideview_getdist(MAXWALLS+j, -1); } } faketimerhandler(); if (m32_sideview) { qsort(m32_wallsprite, m32_swcnt, sizeof(int16_t), (int( *)(const void *, const void *))&sideview_cmppoints); for (i=0; i>3]&(1<<(j&7)))) drawscreen_drawwall(j,posxe,posye,posze,zoome,!!(graybitmap[j>>3]&(1<<(j&7)))); } else { if (!alwaysshowgray && sprite[j-MAXWALLS].sectnum>=0) YAX_SKIPSECTOR(sprite[j-MAXWALLS].sectnum); drawscreen_drawsprite(j-MAXWALLS,posxe,posye,posze,zoome); } } faketimerhandler(); } #if 0 { int32_t xx,yy,xx2,yy2; screencoords(&xx,&yy, -posxe,-posye, zoome); screencoords(&xx2,&yy2, (m32_viewplane.x)-posxe,(m32_viewplane.y)-posye, zoome); if (m32_sideview) yy2 += getscreenvdisp((m32_viewplane.z<<4)-posze, zoome); drawcircle16(halfxdim16+xx, midydim16+yy, 2, 16384, editorcolors[4]); //red drawcircle16(halfxdim16+xx2, midydim16+yy2, 2, 16384, editorcolors[14]); //yellow drawline16mid(xx,yy, xx2,yy2, editorcolors[15]); } #endif x1 = mulscale11(sintable[(ange+angofs+2560)&2047],zoome) / 768; //Draw white arrow y1 = mulscale11(sintable[(ange+angofs+2048)&2047],zoome) / 768; i = scalescreeny(x1); j = scalescreeny(y1); drawline16mid(x1,j, -x1,-j, editorcolors[15]); drawline16mid(x1,j, +y1,-i, editorcolors[15]); drawline16mid(x1,j, -y1,+i, editorcolors[15]); enddrawing(); //}}} } // // printext16 // int32_t printext16(int32_t xpos, int32_t ypos, int16_t col, int16_t backcol, const char *name, char fontsize) { int32_t stx, i, x, y, charxsiz, ocol = col, obackcol = backcol; int32_t ymin=0, ymax=7; char *fontptr, *letptr, *ptr; char smallbuf[4]; stx = xpos; if (ypos<0) { ymin = 0-ypos; if (ymin>7) return 0; } else if (ypos+7 >= ydim) { ymax = ydim-ypos-1; if (ymax<0) return 0; } if (fontsize & 2) printext16(xpos+1, ypos+1, 0, -1, name, (fontsize & ~2) | 4); if (fontsize & 1) { fontptr = smalltextfont; charxsiz = 4; } else { fontptr = textfont; charxsiz = 8; } begindrawing(); //{{{ for (i=0; name[i]; i++) { if (name[i] == '^') { i++; if (name[i] == 'O') // ^O resets formatting { if (fontsize & 4) continue; col = ocol; backcol = obackcol; continue; } if (isdigit(name[i])) { if (isdigit(name[i+1])) { if (isdigit(name[i+2])) { Bmemcpy(&smallbuf[0],&name[i],3); i += 2; smallbuf[3] = '\0'; } else { Bmemcpy(&smallbuf[0],&name[i],2); i++; smallbuf[2] = '\0'; } } else { smallbuf[0] = name[i]; smallbuf[1] = '\0'; } if (!(fontsize & 4)) col = editorcolors[Batol(smallbuf)]; if (name[i+1] == ',' && isdigit(name[i+2])) { i+=2; if (isdigit(name[i+1])) { if (isdigit(name[i+2])) { Bmemcpy(&smallbuf[0],&name[i],3); i += 2; smallbuf[3] = '\0'; } else { Bmemcpy(&smallbuf[0],&name[i],2); i++; smallbuf[2] = '\0'; } } else { smallbuf[0] = name[i]; smallbuf[1] = '\0'; } if (!(fontsize & 4)) backcol = editorcolors[Batol(smallbuf)]; } continue; } } if (stx<0) { stx += charxsiz; continue; } letptr = &fontptr[name[i]<<3]; ptr = (char *)(bytesperline*ypos + (stx-(fontsize&1)) + frameplace); for (y=ymin; y<=ymax; y++) { for (x=0; x= xdim) break; if (letptr[y]&pow2char[7-(fontsize&1)-x]) ptr[x] = (uint8_t)col; else if (backcol >= 0) ptr[x] = (uint8_t)backcol; } ptr += bytesperline; } stx += charxsiz; if (stx >= xdim) break; } enddrawing(); //}}} return stx; } // // printext256 // void printext256(int32_t xpos, int32_t ypos, int16_t col, int16_t backcol, const char *name, char fontsize) { int32_t stx, i, x, y, charxsiz; char *fontptr, *letptr, *ptr; stx = xpos; if (fontsize) { fontptr = smalltextfont; charxsiz = 4; } else { fontptr = textfont; charxsiz = 8; } #ifdef USE_OPENGL if (!polymost_printext256(xpos,ypos,col,backcol,name,fontsize)) return; if (rendmode >= 3 && qsetmode == 200) { int32_t xx, yy; int32_t lc=-1; palette_t p=getpal(col), b=getpal(backcol); setpolymost2dview(); bglDisable(GL_ALPHA_TEST); bglDepthMask(GL_FALSE); // disable writing to the z-buffer bglBegin(GL_POINTS); for (i=0; name[i]; i++) { if (name[i] == '^' && isdigit(name[i+1])) { char smallbuf[8]; int32_t bi=0; while (isdigit(name[i+1]) && bi<8) { smallbuf[bi++]=name[i+1]; i++; } smallbuf[bi++]=0; if (col) col = Batol(smallbuf); p = getpal(col); continue; } letptr = &fontptr[name[i]<<3]; xx = stx-fontsize; yy = ypos+7 + 2; //+1 is hack! for (y=7; y>=0; y--) { for (x=charxsiz-1; x>=0; x--) { if (letptr[y]&pow2char[7-fontsize-x]) { if (lc!=col) bglColor4ub(p.r,p.g,p.b,255); lc = col; bglVertex2i(xx+x,yy); } else if (backcol >= 0) { if (lc!=backcol) bglColor4ub(b.r,b.g,b.b,255); lc = backcol; bglVertex2i(xx+x,yy); } } yy--; } stx += charxsiz; } bglEnd(); bglDepthMask(GL_TRUE); // re-enable writing to the z-buffer return; } #endif begindrawing(); //{{{ for (i=0; name[i]; i++) { if (name[i] == '^' && isdigit(name[i+1])) { char smallbuf[8]; int32_t bi=0; while (isdigit(name[i+1]) && bi<8) { smallbuf[bi++]=name[i+1]; i++; } smallbuf[bi++]=0; if (col)col = Batol(smallbuf); continue; } letptr = &fontptr[name[i]<<3]; ptr = (char *)(ylookup[ypos+7]+(stx-fontsize)+frameplace); for (y=7; y>=0; y--) { for (x=charxsiz-1; x>=0; x--) { if (letptr[y]&pow2char[7-fontsize-x]) ptr[x] = (uint8_t)col; else if (backcol >= 0) ptr[x] = (uint8_t)backcol; } ptr -= ylookup[1]; } stx += charxsiz; } enddrawing(); //}}} } // // screencapture // static int32_t screencapture_common1(char *fn, const char *ext, BFILE** filptr) { int32_t i; do // JBF 2004022: So we don't overwrite existing screenshots { if (capturecount > 9999) return -1; i = Bstrrchr(fn,'.')-fn-4; fn[i++] = ((capturecount/1000)%10)+48; fn[i++] = ((capturecount/100)%10)+48; fn[i++] = ((capturecount/10)%10)+48; fn[i++] = (capturecount%10)+48; i++; Bstrcpy(&fn[i], ext); if ((*filptr = Bfopen(fn,"rb")) == NULL) break; Bfclose(*filptr); capturecount++; } while (1); *filptr = Bfopen(fn,"wb"); if (*filptr == NULL) return -1; return 0; } #ifdef USE_LIBPNG // PNG screenshots -- adapted from libpng example.c static int32_t screencapture_png(const char *filename, char inverseit, const char *versionstr) { int32_t i; BFILE *fp; # ifdef USE_OPENGL # define HICOLOR (rendmode>=3 && qsetmode==200) # else # define HICOLOR 0 # endif png_structp png_ptr; png_infop info_ptr; png_colorp palette = NULL; png_textp text = NULL; png_bytep buf = NULL; png_bytepp rowptrs = NULL; char fn[32]; // careful... Bstrcpy(fn, filename); i = screencapture_common1(fn, "png", &fp); if (i) return i; /* Create and initialize the png_struct with default error handling. */ # ifndef NEDMALLOC png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); # else png_ptr = png_create_write_struct_2(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL, Bmalloc, Bfree); # endif if (png_ptr == NULL) { Bfclose(fp); return -1; } /* Allocate/initialize the image information data. */ info_ptr = png_create_info_struct(png_ptr); if (info_ptr == NULL) { Bfclose(fp); png_destroy_write_struct(&png_ptr, NULL); return -1; } /* Set error handling. */ if (setjmp(png_jmpbuf(png_ptr))) { /* If we get here, we had a problem writing the file */ Bfclose(fp); if (palette) png_free(png_ptr, palette); if (text) png_free(png_ptr, text); if (buf) png_free(png_ptr, buf); if (rowptrs) png_free(png_ptr, rowptrs); png_destroy_write_struct(&png_ptr, &info_ptr); return -1; } png_init_io(png_ptr, fp); // initialize various info fields from here on png_set_IHDR(png_ptr, info_ptr, xdim, ydim, 8, HICOLOR ? PNG_COLOR_TYPE_RGB : PNG_COLOR_TYPE_PALETTE, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); if (HICOLOR && editstatus==0) png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE, PNG_FILTER_VALUE_NONE); if (!HICOLOR) palette = (png_colorp)png_malloc(png_ptr, 256*png_sizeof(png_color)); if (palette) { for (i=0; i<256; i++) { palette[i].red = inverseit ? 255-curpalettefaded[i].r : curpalettefaded[i].r; palette[i].green = inverseit ? 255-curpalettefaded[i].g : curpalettefaded[i].g; palette[i].blue = inverseit ? 255-curpalettefaded[i].b : curpalettefaded[i].b; } png_set_PLTE(png_ptr, info_ptr, palette, 256); } png_set_gAMA(png_ptr, info_ptr, vid_gamma); // 1.0/vid_gamma ? // png_set_sRGB(png_ptr, info_ptr, PNG_sRGB_INTENT_SATURATION); // hm... text = (png_textp)png_malloc(png_ptr, 2*png_sizeof(png_text)); text[0].compression = PNG_TEXT_COMPRESSION_NONE; text[0].key = "Title"; text[0].text = editstatus ? "Mapster32 screenshot" : "EDuke32 screenshot"; text[1].compression = PNG_TEXT_COMPRESSION_NONE; text[1].key = "Software"; text[1].text = (char *)versionstr; png_set_text(png_ptr, info_ptr, text, 2); // get/set the pixel data begindrawing(); //{{{ if (palette) { buf = (png_bytep)png_malloc(png_ptr, xdim*ydim); Bmemcpy(buf, (char *)frameplace, xdim*ydim); } # ifdef USE_OPENGL else { buf = (png_bytep)png_malloc(png_ptr, xdim*ydim*3); bglReadPixels(0,0,xdim,ydim,GL_RGB,GL_UNSIGNED_BYTE,buf); } # endif enddrawing(); //}}} rowptrs = (png_bytepp)png_malloc(png_ptr, ydim*sizeof(png_bytep)); if (!palette) { for (i=0; i= 3 && qsetmode == 200) { head[1] = 0; // no colourmap head[2] = 2; // uncompressed truecolour head[3] = 0; // (low) first colourmap index head[4] = 0; // (high) first colourmap index head[5] = 0; // (low) number colourmap entries head[6] = 0; // (high) number colourmap entries head[7] = 0; // colourmap entry size head[16] = 24; // 24 bits per pixel } # endif head[12] = xdim & 0xff; head[13] = (xdim >> 8) & 0xff; head[14] = ydim & 0xff; head[15] = (ydim >> 8) & 0xff; Bfwrite(head, 18, 1, fil); begindrawing(); //{{{ ptr = (char *)frameplace; // palette first # ifdef USE_OPENGL if (rendmode < 3 || (rendmode >= 3 && qsetmode != 200)) # endif { //getpalette(0,256,palette); for (i=0; i<256; i++) { Bfputc(inverseit ? 255-curpalettefaded[i].b : curpalettefaded[i].b, fil); // b Bfputc(inverseit ? 255-curpalettefaded[i].g : curpalettefaded[i].g, fil); // g Bfputc(inverseit ? 255-curpalettefaded[i].r : curpalettefaded[i].r, fil); // r } } # ifdef USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { char c; // 24bit inversebuf = (char *)Bmalloc(xdim*ydim*3); if (inversebuf) { bglReadPixels(0,0,xdim,ydim,GL_RGB,GL_UNSIGNED_BYTE,inversebuf); j = xdim*ydim*3; for (i=0; i=0; i--) Bfwrite(ptr+i*bytesperline, xdim, 1, fil); } enddrawing(); //}}} Bfclose(fil); OSD_Printf("Saved screenshot to %s\n", fn); Bfree(fn); capturecount++; return(0); } # endif int32_t screencapture(const char *filename, char inverseit, const char *versionstr) { #ifndef USE_LIBPNG UNREFERENCED_PARAMETER(versionstr); return screencapture_tga(filename,inverseit); #else return screencapture_png(filename,inverseit,versionstr); #endif } // // setrendermode // int32_t setrendermode(int32_t renderer) { UNREFERENCED_PARAMETER(renderer); #ifdef USE_OPENGL if (bpp == 8) renderer = 0; # ifdef POLYMER else renderer = min(4,max(3,renderer)); if (renderer == 4) { int32_t i; // potentially deferred MD3 postprocessing for (i=0; imdnum==3 && ((md3model_t *)models[i])->head.surfs[0].geometry == NULL) { static int32_t warned=0; if (!warned) { OSD_Printf("Post-processing MD3 models for Polymer. This can take a while...\n"); nextpage(); warned = 1; } if (!md3postload_polymer((md3model_t *)models[i])) OSD_Printf("INTERNAL ERROR: mdmodel %s failed postprocessing!\n", ((md3model_t *)models[i])->head.nam); if (((md3model_t *)models[i])->head.surfs[0].geometry == NULL) OSD_Printf("INTERNAL ERROR: wtf?\n"); } // else // OSD_Printf("mdmodel %d already postprocessed.\n", i); } if (!polymer_init()) renderer = 3; } else if (rendmode==4) // going from Polymer to another renderer { delete_maphack_lights(); G_Polymer_UnInit(); polymer_uninit(); } # else else renderer = 3; # endif rendmode = renderer; if (rendmode >= 3) glrendmode = rendmode; #endif return 0; } // // setrollangle // #ifdef USE_OPENGL void setrollangle(int32_t rolla) { UNREFERENCED_PARAMETER(rolla); if (rolla == 0) gtang = 0.0; else gtang = PI * (double)rolla / 1024.0; } #endif // // invalidatetile // pal: pass -1 to invalidate all palettes for the tile, or >=0 for a particular palette // how: pass -1 to invalidate all instances of the tile in texture memory, or a bitfield // bit 0: opaque or masked (non-translucent) texture, using repeating // bit 1: ignored // bit 2: ignored (33% translucence, using repeating) // bit 3: ignored (67% translucence, using repeating) // bit 4: opaque or masked (non-translucent) texture, using clamping // bit 5: ignored // bit 6: ignored (33% translucence, using clamping) // bit 7: ignored (67% translucence, using clamping) // clamping is for sprites, repeating is for walls // void invalidatetile(int16_t tilenume, int32_t pal, int32_t how) { #ifdef USE_OPENGL int32_t numpal, firstpal, np; int32_t hp; if (rendmode < 3) return; if (pal < 0) { numpal = MAXPALOOKUPS; firstpal = 0; } else { numpal = 1; firstpal = pal % MAXPALOOKUPS; } for (hp = 0; hp < 8; hp+=4) { if (!(how & pow2long[hp])) continue; for (np = firstpal; np < firstpal+numpal; np++) { gltexinvalidate(tilenume, np, hp); } } #endif UNREFERENCED_PARAMETER(tilenume); UNREFERENCED_PARAMETER(pal); UNREFERENCED_PARAMETER(how); } // // setpolymost2dview // Sets OpenGL for 2D drawing // void setpolymost2dview(void) { #ifdef USE_OPENGL if (rendmode < 3) return; if (gloy1 != -1) { bglViewport(0,0,xres,yres); bglMatrixMode(GL_PROJECTION); bglLoadIdentity(); bglOrtho(0,xres,yres,0,-1,1); bglMatrixMode(GL_MODELVIEW); bglLoadIdentity(); } gloy1 = -1; bglDisable(GL_DEPTH_TEST); bglDisable(GL_TEXTURE_2D); bglDisable(GL_BLEND); #endif } void hash_init(hashtable_t *t) { hash_free(t); t->items=Bcalloc(1, t->size * sizeof(hashitem_t)); } void hash_free(hashtable_t *t) { hashitem_t *cur, *tmp; int32_t i; int32_t num; if (t->items == NULL) return; // initprintf("*free, num:%d\n",t->size); i= t->size-1; do { cur = t->items[i]; num = 0; while (cur) { tmp = cur; cur = cur->next; // initprintf("Free %4d '%s'\n",tmp->key,(tmp->string)?tmp->string:"."); if (tmp->string) { Bfree(tmp->string); tmp->string = NULL; } Bfree(tmp); num++; } // initprintf("#%4d: %3d\t",i,num); } while (--i > -1); Bfree(t->items); t->items = 0; } // djb3 algorithm static inline uint32_t hash_getcode(const char *s) { uint32_t h = 5381; int32_t ch; while ((ch = *s++) != '\0') h = ((h << 5) + h) ^ ch; return h; } void hash_add(hashtable_t *t, const char *s, int32_t key, int32_t replace) { hashitem_t *cur, *prev=NULL; int32_t code; if (t->items == NULL) { initprintf("hash_add(): table not initialized!\n"); return; } code = hash_getcode(s) % t->size; cur = t->items[code]; if (!cur) { cur = (hashitem_t *)Bcalloc(1,sizeof(hashitem_t)); cur->string = Bstrdup(s); cur->key = key; cur->next = NULL; t->items[code] = cur; return; } do { if (Bstrcmp(s,cur->string) == 0) { if (replace) cur->key = key; return; } prev = cur; } while ((cur = cur->next)); cur = (hashitem_t *)Bcalloc(1,sizeof(hashitem_t)); cur->string = Bstrdup(s); cur->key = key; cur->next = NULL; prev->next = cur; } // delete at most once void hash_delete(hashtable_t *t, const char *s) { hashitem_t *cur, *prev=NULL; int32_t code; if (t->items == NULL) { initprintf("hash_delete(): table not initialized!\n"); return; } code = hash_getcode(s) % t->size; cur = t->items[code]; if (!cur) return; do { if (Bstrcmp(s,cur->string) == 0) { Bfree(cur->string); if (!prev) t->items[code] = cur->next; else prev->next = cur->next; Bfree(cur); return; } prev = cur; } while ((cur = cur->next)); } int32_t hash_find(const hashtable_t *t, const char *s) { hashitem_t *cur; if (t->items == NULL) { initprintf("hash_find(): table not initialized!\n"); return -1; } if ((cur = t->items[hash_getcode(s) % t->size]) == NULL) return -1; do if (Bstrcmp(s,cur->string) == 0) return cur->key; while ((cur = cur->next)); return -1; } int32_t hash_findcase(const hashtable_t *t, const char *s) { hashitem_t *cur; if (t->items == NULL) { initprintf("hash_findcase(): table not initialized!\n"); return -1; } if ((cur=t->items[hash_getcode(s)%t->size]) == NULL) return -1; do if (Bstrcasecmp(s,cur->string) == 0) return cur->key; while ((cur=cur->next)); return -1; } /* * vim:ts=8: */