// "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 (jonof@edgenetwk.com) #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 # ifdef USE_OPENGL # include "glbuild.h" # include "mdsprite.h" # ifdef POLYMER # include "polymer.h" # endif # 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 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 { static const char *const 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) { voxindex=0; } int32_t tiletovox[MAXTILES]; int32_t usevoxels = 1; #define kloadvoxel loadvoxel int32_t novoxmips = 0; int32_t editorgridextent = 131072; //These variables need to be copied into BUILD #define MAXXSIZ 256 #define MAXYSIZ 256 #define MAXZSIZ 255 #define MAXVOXMIPS 5 intptr_t voxoff[MAXVOXELS][MAXVOXMIPS]; 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]; static intptr_t *lookups = NULL; static char lookupsalloctype = 255; int32_t dommxoverlay = 1, beforedrawrooms = 1, 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 = 0, 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; intptr_t slopalookup[16384]; // was 2048 #if defined(USE_OPENGL) palette_t palookupfog[MAXPALOOKUPS]; #endif static char permanentlock = 255; int32_t artversion, mapversion=7L; // JBF 20040211: default mapversion to 7 void *pic = NULL; char picsiz[MAXTILES], tilefilenum[MAXTILES]; int32_t lastageclock; int32_t tilefileoffs[MAXTILES]; int32_t artsize = 0, cachesize = 0; // unlikely to occur, but .art files with less than 256 tiles are certainly possible // this would be 60 (MAXTILES/256) if we just assumed there were 256 tiles per .art as in Duke char *artptrs[256]; static int16_t radarang2[MAXXDIM]; static uint16_t sqrtable[4096], shlookup[4096+256]; char pow2char[8] = {1,2,4,8,16,32,64,128}; 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); int16_t editstatus = 0; ////////// YAX ////////// #ifdef YAX_ENABLE // all references to floor/ceiling bunchnums should be through the // get/set functions! // game-time YAX data structures static int16_t yax_bunchnum[MAXSECTORS][2]; #define YAX_BUNCHNUM(Sect, Cf) (*(int16_t *)(§or[Sect].ceilingxpanning + 6*Cf)) 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); } void yax_setbunch(int16_t i, int16_t cf, int16_t bunchnum) { if (editstatus==0) yax_bunchnum[i][cf] = bunchnum; if (bunchnum<0) { *(§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); } void yax_update(int32_t onlyreset) { int32_t i, oeditstatus=editstatus; int16_t cb, fb, tmpsect; numyaxbunches = 0; for (i=0; i=0; i--) { yax_getbunches(i, &cb, &fb); yax_bunchnum[i][0] = cb; yax_bunchnum[i][1] = fb; if (cb >= 0) { if (headsectbunch[0][cb] == -1) { headsectbunch[0][cb] = i; // not duplicated in floors, since every extended ceiling // must have a corresponding floor: numyaxbunches++; } else { tmpsect = headsectbunch[0][cb]; headsectbunch[0][cb] = i; nextsectbunch[0][i] = tmpsect; } } if (fb >= 0) { if (headsectbunch[1][fb] == -1) headsectbunch[1][fb] = i; else { tmpsect = headsectbunch[1][fb]; headsectbunch[1][fb] = i; nextsectbunch[1][i] = tmpsect; } } } editstatus = oeditstatus; } #undef YAX_BUNCHNUM #endif ////////// 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; int16_t *m32_wallsprite; // [MAXSWALLS+MAXSPRITES] static int32_t *m32_sidedist; // [MAXSWALLS+MAXSPRITES] static vec3_t m32_viewplane; ////// sector-like clipping for sprites ////// 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", fn); 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; if (lwcp != loadedwhich) { *lwcp++ = ','; *lwcp++ = ' '; } *lwcp++ = fi; *lwcp = 0; } quickloadboard = 0; if (ournumsectors==0 || ournumwalls==0 || ournumsprites==0) // nothing loaded { clipmapinfo_init(); 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(); 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(); return 1; } for (i=0; i=MAXTILES || k<0 || k>=numsectors || (sectoidx[k]&CM_OUTER)) continue; // chain if (pictoidx[pn]>=0) { if (sectoidx[k]&CM_SOME) { for (fi=0; fi<9; fi++) if (k>=fisec[fi]) break; initprintf("clip map %d: error: tried to chain picnum %d (sprite %d) in sector %d which" " already belongs to picnum %d.\n", fi, pn, i-fispr[fi], k-fisec[fi], clipinfo[sectoidx[k]].picnum); clipmapinfo_init(); 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<9; fi++) if (i>=fispr[fi]) break; initprintf("clip map %d: warning: sprite %d pointing neither northward nor southward. %s will be wrong.\n", 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<9; fi++) if (ns>=fisec[fi]) break; initprintf("clip map %d: error: encountered more than one outer sector (%d and %d)" " for sprite %d.\n", fi, outersect-fisec[fi], ns-fisec[fi], i-fispr[fi]); clipmapinfo_init(); return 3; } outersect = ns; sectoidx[outersect] |= numclipmaps; } else if (sectoidx[ns]!=numclipmaps) { for (fi=0; fi<9; fi++) if (ns>=fisec[fi]) break; initprintf("clip map %d: error: encountered sector %d belonging to index %d" " while collecting sectors for sprite %d (index %d).\n", fi, ns-fisec[fi], sectoidx[ns], i-fispr[fi], numclipmaps); clipmapinfo_init(); return 4; } } } } while (++scnt < numclipsects); if (outersect==-1) { initprintf("clip map: INTERNAL ERROR: outersect==-1!\n"); clipmapinfo_init(); 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(); initprintf("Loaded clip map%s %s.\n", lwcp==loadedwhich+1?"":"s", loadedwhich); return 0; } ////// ////// int32_t checksectorpointer(int16_t i, int16_t sectnum) { int32_t j, k, startwall, endwall, x1, y1, x2, y2, numnewwalls=0; #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; if (wall[i].nextwall >= 0) //Check for early exit { k = wall[i].nextwall; if (wall[k].x == x2 && wall[k].y == y2) if ((wall[wall[k].point2]).x == x1 && (wall[wall[k].point2]).y == y1) return(0); } wall[i].nextsector = -1; wall[i].nextwall = -1; for (j=0; j=0 && wall[k].nextwall != i) continue; if (sectnum != -2) // -2 means dry run { wall[i].nextsector = j; wall[i].nextwall = k; wall[k].nextsector = sectnum; wall[k].nextwall = i; } numnewwalls++; } } } return(numnewwalls); } #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) { return 0x56c764d4l; b=b; } #endif int32_t xb1[MAXWALLSB], yb1[MAXWALLSB], xb2[MAXWALLSB], yb2[MAXWALLSB]; int32_t rx1[MAXWALLSB], ry1[MAXWALLSB], rx2[MAXWALLSB], ry2[MAXWALLSB]; int16_t p2[MAXWALLSB], thesector[MAXWALLSB]; int16_t thewall[MAXWALLSB]; int16_t bunchfirst[MAXWALLSB], bunchlast[MAXWALLSB]; static int16_t smost[MAXYSAVES], smostcnt; static int16_t smoststart[MAXWALLSB]; static char smostwalltype[MAXWALLSB]; static int32_t smostwall[MAXWALLSB], smostwallcnt = -1L; 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]; int16_t umost[MAXXDIM], dmost[MAXXDIM]; static int16_t bakumost[MAXXDIM], bakdmost[MAXXDIM]; 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 wx1, wy1, wx2, wy2, ydimen; 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; char *globalpalwritten; int32_t globaluclip, globaldclip, globvis; int32_t globalvisibility, globalhisibility, globalpisibility, globalcisibility; char globparaceilclip, globparaflorclip; int32_t xyaspect, viewingrangerecip; intptr_t asm1, asm2, asm3, asm4,palookupoffse[4]; int32_t vplce[4], vince[4], bufplce[4]; char globalxshift, globalyshift; int32_t globalxpanning, globalypanning, globalshade; int16_t globalpicnum, globalshiftval; int32_t globalzd, globalyscale, globalorientation; intptr_t globalbufplc; int32_t globalx1, globaly1, globalx2, globaly2, globalx3, globaly3, globalzx; int32_t globalx, globaly, globalz; int16_t sectorborder[256], sectorbordercnt; static char tablesloaded = 0; int32_t pageoffset, ydim16, qsetmode = 0; int32_t startposx, startposy, startposz; int16_t startang, startsectnum; int16_t pointhighlight=-1, linehighlight=-1, highlightcnt=0; int32_t lastx[MAXYDIM]; char *transluc = NULL, 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, numhits, numbunches; 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 numtilefiles, 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"; uint8_t **basepaltableptr; uint8_t basepalcount; uint8_t curbasepal; 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),numpalookups-1)); } // // 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]; for (z=headspritesect[sectnum]; z>=0; z=nextspritesect[z]) { spr = &sprite[z]; if ((((spr->cstat&0x8000) == 0) || (showinvisibility)) && (spr->xrepeat > 0) && (spr->yrepeat > 0) && (spritesortcnt < MAXSPRITESONSCREEN)) { xs = spr->x-globalposx; ys = spr->y-globalposy; if ((spr->cstat&48) || (xs*cosglobalang+ys*singlobalang > 0)) { copybufbyte(spr,&tsprite[spritesortcnt],sizeof(spritetype)); spriteext[z].tspr = (spritetype *)&tsprite[spritesortcnt]; tsprite[spritesortcnt++].owner = z; } } } 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)) 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; 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, fpalookup; int32_t y1ve[4], y2ve[4], /* p,*/ tsizx, tsizy; #ifndef 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); #ifndef 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,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); } 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; 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); yinc = ((scale(z,xdimenscale,iy2)<<4)-y) / (ix2-ix1+1); qinterpolatedown16short((intptr_t)&mostbuf[ix1],ix2-ix1+1,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; //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); yinc = ((scale(z2,xdimenscale,iy2)<<4)-y) / (ix2-ix1+1); qinterpolatedown16short((intptr_t)&mostbuf[ix1],ix2-ix1+1,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; #ifndef ENGINE_USING_A_C char bad; int32_t i, u4, d4, z; #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); #ifndef 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,ylookup[u4]+x+frameoffset); i = x+frameoffset+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); } 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) // #ifndef ENGINE_USING_A_C static void transmaskvline2(int32_t x) { int32_t i, y1, y2, x2; int16_t y1ve[2], y2ve[2]; 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]); i = 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]]+i); else vplce[1] = tvlineasm1(vince[1],palookupoffse[1],y1-y1ve[1]-1,vplce[1],bufplce[1],ylookup[y1ve[1]]+i+1); } if (y2 > y1) { asm1 = vince[1]; asm2 = ylookup[y2]+i+1; tvlineasm2(vplce[1],vince[0],bufplce[0],bufplce[1],vplce[0],ylookup[y1]+i); } 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]+i); else if (y2ve[0] < y2ve[1]) tvlineasm1(vince[1],palookupoffse[1],y2ve[1]-y2-1,asm2,bufplce[1],ylookup[y2+1]+i+1); faketimerhandler(); } #endif // // transmaskwallscan (internal) // static inline 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++; #ifndef 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(); } // // 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 ((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); } } // // 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(); } // // 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(((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); slopevlin(ylookup[y2]+x+frameoffset,krecipasm(asm3>>3),(intptr_t)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; UNREFERENCED_PARAMETER(dax1); UNREFERENCED_PARAMETER(dax2); sectnum = thesector[bunchfirst[bunch]]; sec = §or[sectnum]; globalhorizbak = globalhoriz; if (parallaxyscale != 65536) globalhoriz = mulscale16(globalhoriz-(ydimen>>1),parallaxyscale) + (ydimen>>1); 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)<=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+pskyoff[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+pskyoff[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+pskyoff[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+pskyoff[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; } // // 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); } if ((andwstat1&3) != 3) //draw ceilings { 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 { 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]) //ceiling { searchsector = sectnum; searchwall = wallnum; searchstat = 1; searchit = 1; } else if (searchy >= dplc[searchx]) //floor { searchsector = sectnum; searchwall = wallnum; searchstat = 2; searchit = 1; } } if (nextsectnum >= 0) { 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) 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)) if (searchy <= dwall[searchx]) //wall { searchsector = sectnum; searchbottomwall = searchwall = wallnum; searchisbottom = 0; searchstat = 0; searchit = 1; } globalorientation = (int32_t)wal->cstat; globalpicnum = wal->picnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int32_t)wal->xpanning; globalypanning = (int32_t)wal->ypanning; globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(int16_t)wallnum+16384); globalshade = (int32_t)wal->shade; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globalpal = (int32_t)wal->pal; if (palookup[globalpal] == NULL) globalpal = 0; // JBF: fixes crash globalyscale = (wal->yrepeat<<(globalshiftval-19)); if ((globalorientation&4) == 0) globalzd = (((globalposz-nextsec->ceilingz)*globalyscale)<<8); else globalzd = (((globalposz-sec->ceilingz)*globalyscale)<<8); globalzd += (globalypanning<<24); if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd; 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) 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)) if (searchy >= uwall[searchx]) //wall { searchsector = sectnum; searchbottomwall = searchwall = wallnum; if ((wal->cstat&2) > 0) searchbottomwall = wal->nextwall; searchisbottom = 1; searchstat = 0; searchit = 1; } if ((wal->cstat&2) > 0) { wallnum = wal->nextwall; wal = &wall[wallnum]; globalorientation = (int32_t)wal->cstat; globalpicnum = wal->picnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int32_t)wal->xpanning; globalypanning = (int32_t)wal->ypanning; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(int16_t)wallnum+16384); globalshade = (int32_t)wal->shade; globalpal = (int32_t)wal->pal; wallnum = thewall[z]; wal = &wall[wallnum]; } else { globalorientation = (int32_t)wal->cstat; globalpicnum = wal->picnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int32_t)wal->xpanning; globalypanning = (int32_t)wal->ypanning; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(int16_t)wallnum+16384); globalshade = (int32_t)wal->shade; globalpal = (int32_t)wal->pal; } if (palookup[globalpal] == NULL) globalpal = 0; // JBF: fixes crash 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 = (wal->yrepeat<<(globalshiftval-19)); if ((globalorientation&4) == 0) globalzd = (((globalposz-nextsec->floorz)*globalyscale)<<8); else globalzd = (((globalposz-sec->ceilingz)*globalyscale)<<8); globalzd += (globalypanning<<24); if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd; 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 { globalorientation = (int32_t)wal->cstat; if (nextsectnum < 0) globalpicnum = wal->picnum; else globalpicnum = wal->overpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int32_t)wal->xpanning; globalypanning = (int32_t)wal->ypanning; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(int16_t)wallnum+16384); globalshade = (int32_t)wal->shade; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globalpal = (int32_t)wal->pal; if (palookup[globalpal] == NULL) globalpal = 0; // JBF: fixes crash globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = (wal->yrepeat<<(globalshiftval-19)); if (nextsectnum >= 0) { if ((globalorientation&4) == 0) globalzd = globalposz-nextsec->ceilingz; else globalzd = globalposz-sec->ceilingz; } else { if ((globalorientation&4) == 0) globalzd = globalposz-sec->ceilingz; else globalzd = globalposz-sec->floorz; } globalzd = ((globalzd*globalyscale)<<8) + (globalypanning<<24); if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd; if (gotswall == 0) { gotswall = 1; prepwall(z,wal); } wallscan(x1,x2,uplc,dplc,swall,lwall); 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) && (searchx >= x1) && (searchx <= x2)) { searchit = 1; searchsector = sectnum; searchbottomwall = searchwall = wallnum; if (nextsectnum < 0) searchstat = 0; else searchstat = 4; } } } } // // 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, int32_t *daumost, 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; 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]; l2 = distrecip[(ny+yoff)>>14]; 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); } } } } enddrawing(); //}}} } // // drawsprite (internal) // static void drawsprite(int32_t snum) { spritetype *tspr; sectortype *sec; int32_t startum, startdm, sectnum, xb, yp, cstat; int32_t siz, xsiz, ysiz, xoff, yoff, xspan, yspan; int32_t x1, y1, x2, y2, lx, rx, dalx2, darx2, i, j, k, x, linum, linuminc; int32_t yinc, z, z1, z2, xp1, yp1, xp2, yp2; int32_t xv, yv, top, topinc, bot, botinc, hplc, hinc; int32_t cosang, sinang, dax, day, lpoint, lmax, rpoint, rmax, dax1, dax2, y; int32_t npoints, npoints2, zz, t, zsgn, zzsgn, *longptr; int32_t tilenum, vtilenum = 0, spritenum; char swapped, daclip; //============================================================================= //POLYMOST BEGINS #ifdef USE_OPENGL if (rendmode == 3) { polymost_drawsprite(snum); # ifdef USE_OPENGL bglDisable(GL_POLYGON_OFFSET_FILL); # endif return; } # ifdef POLYMER if (rendmode == 4) { bglEnable(GL_ALPHA_TEST); bglEnable(GL_BLEND); polymer_drawsprite(snum); bglDisable(GL_BLEND); bglDisable(GL_ALPHA_TEST); return; } # endif #endif //============================================================================= //POLYMOST ENDS tspr = tspriteptr[snum]; xb = spritesx[snum]; yp = spritesy[snum]; tilenum = tspr->picnum; spritenum = tspr->owner; cstat = tspr->cstat; if (tilenum < 0 || tilenum >= MAXSPRITES) 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 = 0x7fffffff; 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 = 0x80000000; } 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 = 0x80000000; else x = 0x7fffffff; } else { //INTERSECTION! x = (xp1-globalposx) + scale(xp2-xp1,z1,z1-z2); y = (yp1-globalposy) + scale(yp2-yp1,z1,z1-z2); yp1 = dmulscale14(x,cosglobalang,y,singlobalang); 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 = 0x80000001; } else x = 0x7fffffff; } } } } 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 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 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 (pow2long[x] != xspan) { x++; globalx1 = mulscale(globalx1,xspan,x); globalx2 = mulscale(globalx2,xspan,x); } 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); //Draw it! ceilspritescan(lx,rx-1); } else if ((cstat&48) == 48) { int32_t nxrepeat, nyrepeat; 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; xxrepeat)<<16); nyrepeat = (((int32_t)tspr->yrepeat)<<16); } else { nxrepeat = ((int32_t)tspr->xrepeat)*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))); 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 = 0x7fffffff; //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,(int32_t)tspr->xrepeat,(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); globalorientation = (int32_t)wal->cstat; globalpicnum = wal->overpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int32_t)wal->xpanning; globalypanning = (int32_t)wal->ypanning; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(int16_t)thewall[z]+16384); globalshade = (int32_t)wal->shade; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int32_t)((uint8_t)(sec->visibility+16))); globalpal = (int32_t)wal->pal; globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = (wal->yrepeat<<(globalshiftval-19)); if ((globalorientation&4) == 0) globalzd = (((globalposz-z1)*globalyscale)<<8); else globalzd = (((globalposz-z2)*globalyscale)<<8); globalzd += (globalypanning<<24); if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd; 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; #ifdef USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { polymost_fillpolygon(npoints); return; } #endif miny = 0x7fffffff; maxy = 0x80000000; 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 = (y1>>12); y2 = ry1[zz]; day2 = (y2>>12); 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; */ #ifndef ENGINE_USING_A_C if ((dastat&1) == 0) { 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; 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,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,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(); } } 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); } } } else { if ((dastat&1) == 0) { 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 { tsetupspritevline(palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L); 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 (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 { tspritevline(0L,by<<16,y2-y1+1,bx<<16,(bx>>16)*ysiz+(by>>16)+bufplc,p); } faketimerhandler(); } } #else // ENGINE_USING_A_C if ((dastat&1) == 0) { if (dastat&64) setupspritevline(palookupoffs,xv,yv,ysiz); else msetupspritevline(palookupoffs,xv,yv,ysiz); } else { tsetupspritevline(palookupoffs,xv,yv,ysiz); 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 (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); } else { tspritevline(bx&65535,by&65535,y2-y1+1,(bx>>16)*ysiz+(by>>16)+bufplc,p); //transarea += (y2-y1); } faketimerhandler(); } #endif /* 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<65536; 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(2048L,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; 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); } //clearbufbyte(colhere,sizeof(colhere),0L); //clearbufbyte(colhead,sizeof(colhead),0L); 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 void loadpalette(void) { int32_t fil; if (paletteloaded != 0) return; if ((fil = kopen4load("palette.dat",0)) == -1) return; kread(fil,palette,768); kread(fil,&numpalookups,2); numpalookups = B_LITTLE16(numpalookups); if ((palookup[0] = (char *)Bmalloc(numpalookups<<8)) == NULL) allocache((intptr_t *)&palookup[0],numpalookups<<8,&permanentlock); if ((transluc = (char *)Bmalloc(65536L)) == NULL) allocache((intptr_t *)&transluc,65536,&permanentlock); globalpalwritten = palookup[0]; globalpal = 0; setpalookupaddress(globalpalwritten); fixtransluscence(FP_OFF(transluc)); kread(fil,palookup[globalpal],numpalookups<<8); kread(fil,transluc,65536); kclose(fil); initfastcolorlookup(30L,59L,11L); { int32_t i, j, k = 0; for (i=0; i<256; i++) { j = ((int32_t)palette[i*3])+((int32_t)palette[i*3+1])+((int32_t)palette[i*3+2]); if (j > k) { k = j; whitecol = i; } } } paletteloaded = 1; } // // getclosestcol // int32_t getclosestcol(int32_t r, int32_t g, int32_t b) { int32_t i, j, k, dist, mindist, retcol; 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 = 0x7fffffff; 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); } // // insertspritesect (internal) // int32_t insertspritesect(int16_t sectnum) { int16_t blanktouse; if ((sectnum >= MAXSECTORS) || (headspritesect[MAXSECTORS] == -1)) return(-1); //list full blanktouse = headspritesect[MAXSECTORS]; headspritesect[MAXSECTORS] = nextspritesect[blanktouse]; if (headspritesect[MAXSECTORS] >= 0) prevspritesect[headspritesect[MAXSECTORS]] = -1; prevspritesect[blanktouse] = -1; nextspritesect[blanktouse] = headspritesect[sectnum]; if (headspritesect[sectnum] >= 0) prevspritesect[headspritesect[sectnum]] = blanktouse; headspritesect[sectnum] = blanktouse; sprite[blanktouse].sectnum = sectnum; return(blanktouse); } // // insertspritestat (internal) // int32_t insertspritestat(int16_t statnum) { int16_t blanktouse; if ((statnum >= MAXSTATUS) || (headspritestat[MAXSTATUS] == -1)) return(-1); //list full blanktouse = headspritestat[MAXSTATUS]; headspritestat[MAXSTATUS] = nextspritestat[blanktouse]; if (headspritestat[MAXSTATUS] >= 0) prevspritestat[headspritestat[MAXSTATUS]] = -1; prevspritestat[blanktouse] = -1; nextspritestat[blanktouse] = headspritestat[statnum]; if (headspritestat[statnum] >= 0) prevspritestat[headspritestat[statnum]] = blanktouse; headspritestat[statnum] = blanktouse; sprite[blanktouse].statnum = statnum; return(blanktouse); } // // deletespritesect (internal) // int32_t deletespritesect(int16_t deleteme) { if (sprite[deleteme].sectnum == MAXSECTORS) return(-1); if (headspritesect[sprite[deleteme].sectnum] == deleteme) headspritesect[sprite[deleteme].sectnum] = nextspritesect[deleteme]; if (prevspritesect[deleteme] >= 0) nextspritesect[prevspritesect[deleteme]] = nextspritesect[deleteme]; if (nextspritesect[deleteme] >= 0) prevspritesect[nextspritesect[deleteme]] = prevspritesect[deleteme]; if (headspritesect[MAXSECTORS] >= 0) prevspritesect[headspritesect[MAXSECTORS]] = deleteme; prevspritesect[deleteme] = -1; nextspritesect[deleteme] = headspritesect[MAXSECTORS]; headspritesect[MAXSECTORS] = deleteme; sprite[deleteme].sectnum = MAXSECTORS; return(0); } // // deletespritestat (internal) // int32_t deletespritestat(int16_t deleteme) { if (sprite[deleteme].statnum == MAXSTATUS) return(-1); if (headspritestat[sprite[deleteme].statnum] == deleteme) headspritestat[sprite[deleteme].statnum] = nextspritestat[deleteme]; if (prevspritestat[deleteme] >= 0) nextspritestat[prevspritestat[deleteme]] = nextspritestat[deleteme]; if (nextspritestat[deleteme] >= 0) prevspritestat[nextspritestat[deleteme]] = prevspritestat[deleteme]; if (headspritestat[MAXSTATUS] >= 0) prevspritestat[headspritestat[MAXSTATUS]] = deleteme; prevspritestat[deleteme] = -1; nextspritestat[deleteme] = headspritestat[MAXSTATUS]; headspritestat[MAXSTATUS] = deleteme; sprite[deleteme].statnum = MAXSTATUS; return(0); } // // lintersect (internal) // static inline 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 inline 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; } fprintf(stderr, "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 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]; #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 sector = sector_s; wall = wall_s; sprite = sprite_s; tsprite = tsprite_s; spriteext = spriteext_s; spritesmooth = spritesmooth_s; state_compress = (qlz_state_compress *) Bmalloc(sizeof(qlz_state_compress) + sizeof(qlz_state_decompress)); 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(); clipmapinfo_init(); 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; } if (loadtables()) return 1; xyaspect = -1; pskyoff[0] = 0; pskybits = 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; captureformat = 0; loadpalette(); #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 /* if (cachefilehandle > -1) Bclose(cachefilehandle); if (cacheindexptr != NULL) Bfclose(cacheindexptr); */ #endif if (artfil != -1) kclose(artfil); i=(sizeof(artptrs)/sizeof(intptr_t))-1; // this leaves a bunch of invalid pointers in waloff... fixme? for (; i>=0; i--) { if (artptrs[i]) { Bfree(artptrs[i]); artptrs[i] = NULL; } } if (transluc != NULL) { Bfree(transluc); transluc = NULL; } if (pic != NULL) { Bfree(pic); pic = NULL; } if (lookups != NULL) { if (lookupsalloctype == 0) Bfree((void *)lookups); //if (lookupsalloctype == 1) suckcache(lookups); //Cache already gone lookups = NULL; } for (i=0; i>1); globaluclip = (0-globalhoriz)*xdimscale; globaldclip = (ydimen-globalhoriz)*xdimscale; i = mulscale16(xdimenscale,viewingrangerecip); globalpisibility = mulscale16(parallaxvisibility,i); globalvisibility = mulscale16(visibility,i); 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(); //clearbufbyte(&gotsector[0],(int32_t)((numsectors+7)>>3),0L); Bmemset(&gotsector[0],0,(int32_t)((numsectors+7)>>3)); 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) { polymer_glinit(); polymer_drawrooms(daposx, daposy, daposz, daang, dahoriz, dacursectnum); bglDisable(GL_CULL_FACE); gloy1 = 0; return; } # endif //============================================================================= //POLYMOST BEGINS polymost_drawrooms(); if (rendmode) return; #endif //============================================================================= //POLYMOST ENDS begindrawing(); //{{{ //frameoffset = frameplace + viewoffset; frameoffset = frameplace + windowy1*bytesperline + windowx1; //if (smostwallcnt < 0) // if (getkensmessagecrc(FP_OFF(kensmessage)) != 0x56c764d4) // { /* setvmode(0x3);*/ OSD_Printf("Nice try.\n"); exit(0); } numhits = xdimen; numscans = 0; numbunches = 0; maskwallcnt = 0; smostwallcnt = 0; smostcnt = 0; spritesortcnt = 0; 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 = 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)) { clearbuf(&tempbuf[0],(int32_t)((numbunches+3)>>2),0L); 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); } /* // 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); } */ 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; // PLAG: sorting stuff _equation maskeq, p1eq, p2eq; _point2d dot, dot2, middle, pos, spr; #ifdef POLYMER if ((rendmode == 4) && 0) { polymer_drawmasks(); return; } #endif 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); 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: 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 } 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 oydim=ydim; int32_t oyxaspect=yxaspect, oviewingrange=viewingrange; ydim = (int32_t)((double)xdim * 0.625f); setaspect(65536L,(int32_t)divscale16(ydim*320L,xdim*200L)); ydim = oydim; beforedrawrooms = 0; clearbuf(&gotsector[0],(int32_t)((numsectors+31)>>5),0L); 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]) { 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,numpalookups-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; 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]; 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,numpalookups-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); globalorientation = ((spr->cstat&2)<<7) | ((spr->cstat&512)>>2); // so polymost can get the translucency. ignored in software mode. fillpolygon(npoints); } } enddrawing(); //}}} if (r_usenewaspect) setaspect(oviewingrange, oyxaspect); else setaspect(65536L,(int32_t)divscale16(ydim*320L,xdim*200L)); } // // 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, dq[MAXSPRITES], dnum = 0; #ifdef POLYMER char myflags = flags&(~3); #endif flags &= 3; i = strlen(filename)-1; if (filename[i] == 255) { filename[i] = 0; flags = 1; } // JBF 20040119: "compatibility" if ((fil = kopen4load(filename,flags)) == -1) { mapversion = 7L; return(-1); } kread(fil,&mapversion,4); mapversion = B_LITTLE32(mapversion); if (mapversion != 7L && mapversion != 8L) { kclose(fil); return(-2); } /* // Enable this for doing map checksum tests clearbufbyte(&wall, sizeof(wall), 0); clearbufbyte(§or, sizeof(sector), 0); clearbufbyte(&sprite, sizeof(sprite), 0); */ #ifdef NEDMALLOC nedtrimthreadcache(0, 0); #endif initspritelists(); #define MYMAXSECTORS (mapversion==7l?MAXSECTORSV7:MAXSECTORSV8) #define MYMAXWALLS (mapversion==7l?MAXWALLSV7:MAXWALLSV8) #define MYMAXSPRITES (mapversion==7l?MAXSPRITESV7:MAXSPRITESV8) clearbuf(&show2dsector[0],(int32_t)((MAXSECTORS+3)>>5),0L); clearbuf(&show2dsprite[0],(int32_t)((MAXSPRITES+3)>>5),0L); clearbuf(&show2dwall[0],(int32_t)((MAXWALLS+3)>>5),0L); 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].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); dq[dnum++] = i; sprite[i].picnum = 0; } } #ifdef YAX_ENABLE yax_update(0); #endif for (i=0; i= 0; ii--) { for (jj=32; jj >= 0; jj--) { updatesector(sprite[k].x+ii-16, sprite[k].y+jj-16, §); if (sect != -1) break; } if (sect != -1) break; } / * fuck it, the sprite is clearly not legitimately in any sector at this point so let's queue it up for deletion * / if (sect == -1) dq[dnum++] = k; } */ } /* while (dnum--) { initprintf(OSD_ERROR "Map error: removing sprite #%d(%d,%d) in null space. Map is corrupt!\n",dq[dnum],sprite[dq[dnum]].x,sprite[dq[dnum]].y); deletesprite(dq[dnum]); } */ //Must be after loading sectors, etc! updatesector(*daposx,*daposy,dacursectnum); kclose(fil); if (!quickloadboard) { Bmemset(spriteext, 0, sizeof(spriteext_t) * MAXSPRITES); #ifdef USE_OPENGL Bmemset(spritesmooth, 0, sizeof(spritesmooth_t) *(MAXSPRITES+MAXUNIQHUDID)); // polymost_cachesync(); # ifdef POLYMER if (rendmode == 4) { if ((myflags&4)==0) polymer_loadboard(); } #endif #endif } guniqhudid = 0; startposx = *daposx; startposy = *daposy; startposz = *daposz; startang = *daang; startsectnum = *dacursectnum; return(0); } // // loadboardv5/6 // #pragma pack(push,1) struct sectortypev5 { uint16_t wallptr, wallnum; int16_t ceilingpicnum, floorpicnum; int16_t ceilingheinum, floorheinum; int32_t ceilingz, floorz; int8_t ceilingshade, floorshade; char ceilingxpanning, floorxpanning; char ceilingypanning, floorypanning; char ceilingstat, floorstat; char ceilingpal, floorpal; char visibility; int16_t lotag, hitag; int16_t extra; }; struct walltypev5 { int32_t x, y; int16_t point2; int16_t picnum, overpicnum; int8_t shade; int16_t cstat; char xrepeat, yrepeat, xpanning, ypanning; int16_t nextsector1, nextwall1; int16_t nextsector2, nextwall2; int16_t lotag, hitag; int16_t extra; }; struct spritetypev5 { int32_t x, y, z; char cstat; int8_t shade; char xrepeat, yrepeat; int16_t picnum, ang, xvel, yvel, zvel, owner; int16_t sectnum, statnum; int16_t lotag, hitag; int16_t extra; }; struct sectortypev6 { uint16_t wallptr, wallnum; int16_t ceilingpicnum, floorpicnum; int16_t ceilingheinum, floorheinum; int32_t ceilingz, floorz; int8_t ceilingshade, floorshade; char ceilingxpanning, floorxpanning; char ceilingypanning, floorypanning; char ceilingstat, floorstat; char ceilingpal, floorpal; char visibility; int16_t lotag, hitag, extra; }; struct walltypev6 { int32_t x, y; int16_t point2, nextsector, nextwall; int16_t picnum, overpicnum; int8_t shade; char pal; int16_t cstat; char xrepeat, yrepeat, xpanning, ypanning; int16_t lotag, hitag, extra; }; struct spritetypev6 { int32_t x, y, z; int16_t cstat; int8_t shade; char pal, clipdist; char xrepeat, yrepeat; int8_t xoffset, yoffset; int16_t picnum, ang, xvel, yvel, zvel, owner; int16_t sectnum, statnum; int16_t lotag, hitag, extra; }; #pragma pack(pop) static int16_t sectorofwallv5(int16_t theline) { int16_t i, startwall, endwall, sucksect; sucksect = -1; 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 = strlen(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(); clearbuf(&show2dsector[0],(int32_t)((MAXSECTORS+3)>>5),0L); clearbuf(&show2dsprite[0],(int32_t)((MAXSPRITES+3)>>5),0L); clearbuf(&show2dwall[0],(int32_t)((MAXWALLS+3)>>5),0L); 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; iltextptr; 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) 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) { 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; jMAXSTATUS) { 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); } numsprites = 0; #if 0 for (j=0; j 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); } 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); 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); 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 if ((qsetmode == 200) && (videomodereset == 0) && (davidoption == fullscreen) && (xdim == daxdim) && (ydim == daydim) && (bpp == dabpp) /* #ifdef POLYMER && glrendmode != 4 #endif // POLYMER */ ) return(0); strcpy(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; 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) { if (lookupsalloctype == 0) Bfree((void *)lookups); if (lookupsalloctype == 1) suckcache(lookups); lookups = NULL; } lookupsalloctype = 0; if ((lookups = (intptr_t *)Bmalloc(j<<1)) == NULL) { allocache((intptr_t *)&lookups,j<<1,&permanentlock); lookupsalloctype = 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>5),0L); //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 -= 65536L; 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 if (artptrs[(i = tilefilenum[tilenume])]) // 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]); } // // 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; } } } // // 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 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; } *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); } // // 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); if (deletespritesect(spritenum) < 0) return(-1); insertspritesect(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); if (sprite[spritenum].statnum == MAXSTATUS) return(-1); if (deletespritestat(spritenum) < 0) return(-1); insertspritestat(newstatnum); 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 = 0x7fffffff; else nextz = 0x80000000; 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 i, cnt, nexts, x, y, z, cz, fz, dasectnum, dacnt, danum; int32_t x21, y21, z21, x31, y31, x34, y34, bot, t; if ((x1 == x2) && (y1 == y2)) return(sect1 == sect2); x21 = x2-x1; y21 = y2-y1; z21 = z2-z1; 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) continue; nexts = wal->nextsector; 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,&cz,&fz); if ((z <= cz) || (z >= fz)) return(0); getzsofslope((int16_t)nexts,x,y,&cz,&fz); if ((z <= cz) || (z >= fz)) return(0); for (i=danum-1; i>=0; i--) if (clipsectorlist[i] == nexts) break; if (i < 0) clipsectorlist[danum++] = nexts; } } for (i=danum-1; i>=0; i--) if (clipsectorlist[i] == sect2) return(1); return(0); } // 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 = 0x7fffffff, 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 != 0x7fffffff) && (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; } } 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; } } 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; } } } } } 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; hitinfo->hitsect = -1; hitinfo->hitwall = -1; hitinfo->hitsprite = -1; if (sectnum < 0) return(-1); hitinfo->pos.x = hitscangoalx; hitinfo->pos.y = hitscangoaly; dawalclipmask = (cliptype&65535); dasprclipmask = (cliptype>>16); clipsectorlist[0] = sectnum; tempshortcnt = 0; tempshortnum = 1; clipspritecnt = clipspritenum = 0; do { 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; } dasector = clipsectorlist[tempshortcnt]; sec = §or[dasector]; i = 1; if (curspr) { if (dasector == sectq[clipinfo[curidx].qend]) { i = -1; tmp[2] = 1; } else tmp[2] = 0; } 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; } } 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; } } for (zz=tempshortnum-1; zz>=0; zz--) if (clipsectorlist[zz] == nextsector) break; if (zz < 0) clipsectorlist[tempshortnum++] = nextsector; } if (curspr) continue; 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; // 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; 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); if (curspr) mapinfo_set(NULL, &origmapinfo); return(0); } // // neartag // int32_t 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) { 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(0); 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]) { 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(0); } // // dragpoint // void dragpoint(int16_t pointhighlight, int32_t dax, int32_t day) { int16_t cnt, tempshort; int32_t thelastwall; wall[pointhighlight].x = dax; wall[pointhighlight].y = day; wall[pointhighlight].cstat |= (1<<14); if (linehighlight >= 0 && linehighlight < MAXWALLS) wall[linehighlight].cstat |= (1<<14); wall[lastwall(pointhighlight)].cstat |= (1<<14); cnt = MAXWALLS; tempshort = pointhighlight; //search points CCW 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)); } // // 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; 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; } 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 { 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); } 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; 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 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; } } if (curspr) continue; // next sector of this index for (j=headspritesect[dasect]; j>=0; j=nextspritesect[j]) { spr = &sprite[j]; cstat = spr->cstat; if ((cstat&dasprclipmask) == 0) continue; if (clipsprite_try(spr, xmin,ymin, xmax,ymax)) continue; 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; 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); if (curspr) { // restore original map mapinfo_set(NULL, &origmapinfo); clipsectnum = origclipsectnum; Bmemcpy(clipsectorlist, origclipsectorlist, clipsectnum*sizeof(clipsectorlist[0])); } hitwall = 0; cnt = clipmoveboxtracenum; do { intx = goalx; inty = goaly; hitwall = raytrace(pos->x, pos->y, &intx, &inty); if (hitwall >= 0) { lx = clipit[hitwall].x2-clipit[hitwall].x1; ly = clipit[hitwall].y2-clipit[hitwall].y1; tempint2 = lx*lx + ly*ly; if (tempint2 > 0) { 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; } // else if (tempint2<0) // Bprintf("!! tempint2<0 !!\n"); 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 = 0x7fffffff; 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); } // // 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 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; } void updatesectorz(int32_t x, int32_t y, int32_t z, int16_t *sectnum) { walltype *wal; int32_t i, j, cz, fz; if ((*sectnum >= 0) && (*sectnum < numsectors)) { // this block used to be outside the "if" and caused crashes in Polymost Mapster32 getzsofslope(*sectnum, x, y, &cz, &fz); if ((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) { 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 *vect, 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 = 0x80000000; *ceilhit = -1; *florz = 0x7fffffff; *florhit = -1; return; } //Extra walldist for sprites on sector lines i = walldist+MAXCLIPDIST+1; xmin = vect->x-i; ymin = vect->y-i; xmax = vect->x+i; ymax = vect->y+i; getzsofslope(sectnum,vect->x,vect->y,ceilz,florz); *ceilhit = sectnum+16384; *florhit = sectnum+16384; dawalclipmask = (cliptype&65535); dasprclipmask = (cliptype>>16); clipsectorlist[0] = sectnum; clipsectcnt = 0; clipsectnum = 1; clipspritecnt = clipspritenum = 0; if (0) { beginagain: // replace sector and wall with clip map mapinfo_set(&origmapinfo, &clipmapinfo); clipsectcnt = clipsectnum; // should be a nop, "safety"... } #ifdef YAX_ENABLE restart_grand: #endif do //Collect sectors inside your square first { 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, vect); for (i=0; ix,vect->y,&daz,&daz2); getzsofslope(sectq[clipinfo[curidx].qend],vect->x,vect->y,&cz,&fz); hitwhat = (curspr-sprite)+49152; if ((sector[k].ceilingstat&1)==0) { if (vect->z < cz && cz < *florz) { *florz = cz; *florhit = hitwhat; } if (vect->z > daz && daz > *ceilz) { *ceilz = daz; *ceilhit = hitwhat; } } if ((sector[k].floorstat&1)==0) { if (vect->z < daz2 && daz2 < *florz) { *florz = daz2; *florhit = hitwhat; } if (vect->z > fz && fz > *ceilz) { *ceilz = fz; *ceilhit = hitwhat; } } } } 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*(vect->y-y1) < (vect->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]; if (curspr) { if (k==sectq[clipinfo[curidx].qend]) continue; if ((sec->ceilingstat&1) && (sec->floorstat&1)) continue; } else if (editstatus == 0) { if (((sec->ceilingstat&1) == 0) && (vect->z <= sec->ceilingz+(3<<8))) continue; if (((sec->floorstat&1) == 0) && (vect->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; //It actually got here, through all the continue's!!! getzsofslope(k, vect->x,vect->y, &daz,&daz2); if (curspr) { int32_t fz,cz, hitwhat=(curspr-sprite)+49152; getzsofslope(sectq[clipinfo[curidx].qend],vect->x,vect->y,&cz,&fz); if ((sec->ceilingstat&1)==0) { if (vect->z < cz && cz < *florz) { *florz = cz; *florhit = hitwhat; } if (vect->z > daz && daz > *ceilz) { *ceilz = daz; *ceilhit = hitwhat; } } if ((sec->floorstat&1)==0) { if (vect->z < daz2 && daz2 < *florz) { *florz = daz2; *florhit = hitwhat; } if (vect->z > fz && fz > *ceilz) { *ceilz = fz; *ceilhit = hitwhat; } } } else { #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); if (curspr) { mapinfo_set(NULL, &origmapinfo); // restore original map clipsectnum = clipspritenum = 0; // skip the next for loop and check afterwards } for (i=0; i=0; j=nextspritesect[j]) { spr = &sprite[j]; cstat = spr->cstat; if (cstat&dasprclipmask) { if (clipsprite_try(spr, xmin,ymin, xmax,ymax)) continue; x1 = spr->x; y1 = spr->y; clipyou = 0; switch (cstat&48) { case 0: k = walldist+(spr->clipdist<<2)+1; if ((klabs(x1-vect->x) <= k) && (klabs(y1-vect->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(vect->x,vect->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 ((vect->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; ang = spr->ang; 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)-vect->x; y1 += dmulscale16(sinang,day,-cosang,dax)-vect->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 ((vect->z > daz) && (daz > *ceilz)) { *ceilz = daz; *ceilhit = j+49152; } if ((vect->z < daz2) && (daz2 < *florz)) { *florz = daz2; *florhit = j+49152; } } } } } if (clipspritenum>0) goto beginagain; #ifdef YAX_ENABLE if (numyaxbunches > 0) { int16_t cb, fb, didchange; yax_getbunches(sectnum, &cb, &fb); if (mcf==-1) { Bmemcpy(origclipsectorlist, clipsectorlist, clipsectnum*sizeof(clipsectorlist[0])); origclipsectnum = clipsectnum; } mcf++; clipsectcnt = 0; clipsectnum = 0; clipspritecnt = 0; clipspritenum = 0; didchange = 0; if (cb>=0 && mcf==0 && *ceilhit==sectnum+16384) { for (i=0; ix,vect->y, j)==1) { clipsectorlist[clipsectnum++] = j; daz = getceilzofslope(j, vect->x,vect->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) { // (almost) same as above, but with floors... for (i=0; ix,vect->y, j)==1) { clipsectorlist[clipsectnum++] = j; daz = getflorzofslope(j, vect->x,vect->y); if (!didchange || daz < *florz) didchange=1, *florhit = j+16384, *florz = daz; } } } if (clipsectnum > 0) goto restart_grand; } #endif } void setaspect_new() { if (r_usenewaspect && newaspect_enable) { // 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(65536L,(int32_t)divscale16(ydim*320L,xdim*200L)); } // // 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, char *remapbuf, int8_t r, int8_t g, int8_t b, char dastat) { int32_t i, j, palscale; char *ptr, *ptr2; if (paletteloaded == 0) return; if (palookup[palnum] == NULL) { //Allocate palookup buffer if ((palookup[palnum] = (char *)Bmalloc(numpalookups<<8)) == NULL) allocache((intptr_t *)&palookup[palnum],numpalookups<<8,&permanentlock); } if (dastat == 0) return; if ((r|g|b|63) != 63) return; if ((r|g|b) == 0) { 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 // void setbrightness(char dabrightness, uint8_t dapalid, char noapply) { int32_t i, k, j; uint8_t *dapal; // uint32_t lastbright = curbrightness; if (dapalid >= basepalcount) dapalid = 0; curbasepal = dapalid; dapal = basepaltableptr[dapalid]; if (!(noapply&4)) { curbrightness = min(max((int32_t)dabrightness,0),15); // if (lastbright != (unsigned)curbrightness) // vid_gamma = 1.0 + ((float)curbrightness / 10.0); } if (setgamma()) j = curbrightness; else j = 0; for (k=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 ((noapply&1) == 0) setpalette(0,256); #ifdef USE_OPENGL if (rendmode >= 3) { static uint32_t lastpalettesum = 0; uint32_t newpalettesum = crc32once((uint8_t *)curpalettefaded, sizeof(curpalettefaded)); // only reset the textures if the preserve flag (bit 1 of noapply) is 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 (!(noapply&2) && (newpalettesum != lastpalettesum)) gltexinvalidateall(); if (!(noapply&8) && (newpalettesum != lastpalettesum)) gltexinvalidate8(); #ifdef POLYMER if ((rendmode == 4) && (newpalettesum != lastpalettesum)) polymer_texinvalidate(); #endif lastpalettesum = newpalettesum; } #endif 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 ]; return p; } } // // setpalettefade // void setpalettefade(char r, char g, char b, char offset) { int32_t i; palette_t p; palfadergb.r = min(63,r) << 2; palfadergb.g = min(63,g) << 2; palfadergb.b = min(63,b) << 2; palfadedelta = min(63,offset) << 2; 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; } setpalette(0,256); } // // 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(); //{{{ //clearbufbyte((void*)frameplace,imageSize,0L); Bmemset((void *)frameplace,dacol,imageSize); 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; 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; if (gammabrightness) p = curpalette[col]; else { p.r = britable[curbrightness][ curpalette[col].r ]; p.g = britable[curbrightness][ curpalette[col].g ]; p.b = britable[curbrightness][ curpalette[col].b ]; } 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; 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 < (uint32_t)ydim16 && (uint32_t)(x1+r) < (uint32_t)xres) drawpixel_safe((char *)(p+r), col); // a if ((uint32_t)x1 < (uint32_t)xres && (uint32_t)(y1+r) < (uint32_t)ydim16) drawpixel_safe((char *)(p+(r*bytesperline)), col); // b if ((uint32_t)y1 < (uint32_t)ydim16 && (uint32_t)(x1-r) < (uint32_t)xres) drawpixel_safe((char *)(p-r), col); // c if ((uint32_t)x1 < (uint32_t)xres && (uint32_t)(y1-r) < (uint32_t)ydim16) drawpixel_safe((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) < (uint32_t)xres && (uint32_t)(y1+xp) < (uint32_t)ydim16) drawpixel_safe((char *)(p+yp+xpbpl), col); // 1 if ((uint32_t)(x1+xp) < (uint32_t)xres && (uint32_t)(y1+yp) < (uint32_t)ydim16) drawpixel_safe((char *)(p+xp+ypbpl), col); // 2 if ((uint32_t)(x1-xp) < (uint32_t)xres && (uint32_t)(y1+yp) < (uint32_t)ydim16) drawpixel_safe((char *)(p-xp+ypbpl), col); // 3 if ((uint32_t)(x1-yp) < (uint32_t)xres && (uint32_t)(y1+xp) < (uint32_t)ydim16) drawpixel_safe((char *)(p-yp+xpbpl), col); // 4 if ((uint32_t)(x1-yp) < (uint32_t)xres && (uint32_t)(y1-xp) < (uint32_t)ydim16) drawpixel_safe((char *)(p-yp-xpbpl), col); // 5 if ((uint32_t)(x1-xp) < (uint32_t)xres && (uint32_t)(y1-yp) < (uint32_t)ydim16) drawpixel_safe((char *)(p-xp-ypbpl), col); // 6 if ((uint32_t)(x1+xp) < (uint32_t)xres && (uint32_t)(y1-yp) < (uint32_t)ydim16) drawpixel_safe((char *)(p+xp-ypbpl), col); // 7 if ((uint32_t)(x1+yp) < (uint32_t)xres && (uint32_t)(y1-xp) < (uint32_t)ydim16) 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); } } // // qsetmode640350 // void qsetmode640350(void) { if (qsetmode != 350) { if (setvideomode(640, 350, 8, fullscreen) < 0) { //fprintf(stderr, "Couldn't set 640x350 video mode for some reason.\n"); return; } xdim = xres; ydim = yres; // setvgapalette(); ydim16 = 350; halfxdim16 = 320; midydim16 = 146; begindrawing(); //{{{ clearbuf((char *)frameplace, (bytesperline*350L) >> 2, 0); enddrawing(); //}}} } qsetmode = 350; } // // qsetmode640480 // void qsetmode640480(void) { if (qsetmode != 480) { if (setvideomode(640, 480, 8, fullscreen) < 0) { //fprintf(stderr, "Couldn't set 640x480 video mode for some reason.\n"); return; } xdim = xres; ydim = yres; // setvgapalette(); ydim16 = 336; halfxdim16 = 320; midydim16 = 200; begindrawing(); //{{{ clearbuf((char *)(frameplace + (336l*bytesperline)), (bytesperline*144L) >> 2, 0x08080808l); clearbuf((char *)frameplace, (bytesperline*336L) >> 2, 0L); enddrawing(); //}}} } qsetmode = 480; } // // 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))) { if (setvideomode(daxdim, daydim, 8, fullscreen) < 0) return; xdim = xres; ydim = yres; // setvgapalette(); ydim16 = yres - STATUS2DSIZ2; halfxdim16 = xres >> 1; midydim16 = ydim16 >> 1; // scale(200,yres,480); begindrawing(); //{{{ clearbuf((char *)(frameplace + (ydim16*bytesperline)), (bytesperline*STATUS2DSIZ2) >> 2, 0x08080808l); clearbuf((char *)frameplace, (ydim16*bytesperline) >> 2, 0L); enddrawing(); //}}} } qsetmode = ((daxdim<<16)|(daydim&0xffff)); } // // clear2dscreen // void clear2dscreen(void) { int32_t clearsz; begindrawing(); //{{{ if (qsetmode == 350) clearsz = 350; else { if (ydim16 <= yres-STATUS2DSIZ2) clearsz = yres - STATUS2DSIZ2; else clearsz = yres; } clearbuf((char *)frameplace, (bytesperline*clearsz) >> 2, 0); enddrawing(); //}}} } ////////// editor side view ////////// inline 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 inline 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) { 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; if (editstatus == 0) { if ((show2dwall[i>>3]&pow2char[i&7]) == 0) return; j = wal->nextwall; if ((j >= 0) && (i > j)) if ((show2dwall[j>>3]&pow2char[j&7]) > 0) return; } else { j = wal->nextwall; if (!m32_sideview && (j >= 0) && (i > j)) return; } 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]); } } 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; if (qsetmode == 200) return; setup_sideview_sincos(); if (m32_sideview && !m32_wallsprite) { m32_wallsprite = Bmalloc((MAXWALLS+MAXSPRITES)*sizeof(int16_t)); m32_sidedist = Bmalloc((MAXWALLS+MAXSPRITES)*sizeof(m32_sidedist[0])); if (!m32_wallsprite || !m32_sidedist) { if (m32_wallsprite) Bfree(m32_wallsprite); if (m32_sidedist) { Bfree(m32_sidedist); m32_sidedist=NULL; } initprintf("out of memory!"); m32_sideview = 0; } } begindrawing(); //{{{ if (editstatus == 0) { // faketimerhandler(); clear2dscreen(); // faketimerhandler(); draw2dgrid(posxe,posye,posze,cursectnum,ange,zoome,gride); } faketimerhandler(); m32_swcnt = 0; if (!m32_sideview) for (i=numwalls-1; i>=0; i--) drawscreen_drawwall(i,posxe,posye,posze,zoome); else { for (i=0; i= 256 || editstatus == 0) for (j=0; j>3]&pow2char[j&7]))) { 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; i7) 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[atol(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[atol(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 = atol(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 = atol(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) { Bfree(fn); return -1; } return 0; } #ifdef USE_LIBPNG // PNG screenshots -- adapted from libpng example.c 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... UNREFERENCED_PARAMETER(inverseit); 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 = curpalettefaded[i].r; palette[i].green = curpalettefaded[i].g; palette[i].blue = 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); } else { buf = (png_bytep)png_malloc(png_ptr, xdim*ydim*3); bglReadPixels(0,0,xdim,ydim,GL_RGB,GL_UNSIGNED_BYTE,buf); } enddrawing(); //}}} rowptrs = (png_bytepp)png_malloc(png_ptr, ydim*sizeof(png_bytep)); if (!palette) { int32_t k = xdim*(1+2*!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(curpalettefaded[i].b, fil); // b Bfputc(curpalettefaded[i].g, fil); // g Bfputc(curpalettefaded[i].r, fil); // r } #ifdef USE_OPENGL } #endif // targa renders bottom to top, from left to right if (inverseit && qsetmode != 200) { inversebuf = (char *)Bmalloc(bytesperline); if (inversebuf) { for (i=ydim-1; i>=0; i--) { copybuf(ptr+i*bytesperline, inversebuf, xdim >> 2); for (j=0; j < (bytesperline>>2); j++)((int32_t *)inversebuf)[j] ^= 0x0f0f0f0fL; Bfwrite(inversebuf, xdim, 1, fil); } Bfree(inversebuf); } } else { #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); #ifdef USE_OPENGL } #endif } enddrawing(); //}}} Bfclose(fil); OSD_Printf("Saved screenshot to %s\n", fn); Bfree(fn); capturecount++; return(0); } #if 0 // PCX is nasty, which is why I've lifted these functions from the PCX spec by ZSoft static int32_t writepcxbyte(char colour, char count, BFILE *fp) { if (!count) return 0; if (count == 1 && (colour & 0xc0) != 0xc0) { Bfputc(colour, fp); return 1; } else { Bfputc(0xc0 | count, fp); Bfputc(colour, fp); return 2; } } static void writepcxline(char *buf, int32_t bytes, int32_t step, BFILE *fp) { char ths, last; int32_t srcIndex; char runCount; runCount = 1; last = *buf; for (srcIndex=1; srcIndex= 3 && qsetmode == 200) { head[65] = 3; // 24-bit } #endif head[8] = (xdim-1) & 0xff; head[9] = ((xdim-1) >> 8) & 0xff; head[10] = (ydim-1) & 0xff; head[11] = ((ydim-1) >> 8) & 0xff; bpl = xdim + (xdim&1); head[66] = bpl & 0xff; head[67] = (bpl >> 8) & 0xff; Bfwrite(head, 128, 1, fil); begindrawing(); //{{{ ptr = (char *)frameplace; // targa renders bottom to top, from left to right if (inverseit && qsetmode != 200) { inversebuf = (char *)Bmalloc(bytesperline); if (inversebuf) { for (i=0; i> 2); for (j=0; j < (bytesperline>>2); j++)((int32_t *)inversebuf)[j] ^= 0x0f0f0f0fL; writepcxline(inversebuf, xdim, 1, fil); } Bfree(inversebuf); } } else { #ifdef USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { // 24bit inversebuf = (char *)Bmalloc(xdim*ydim*3); if (inversebuf) { bglReadPixels(0,0,xdim,ydim,GL_RGB,GL_UNSIGNED_BYTE,inversebuf); for (i=ydim-1; i>=0; i--) { writepcxline(inversebuf+i*xdim*3, xdim, 3, fil); writepcxline(inversebuf+i*xdim*3+1, xdim, 3, fil); writepcxline(inversebuf+i*xdim*3+2, xdim, 3, fil); } Bfree(inversebuf); } } else { #endif for (i=0; i= 3 && qsetmode != 200)) { #endif //getpalette(0,256,palette); Bfputc(12,fil); for (i=0; i<256; i++) { Bfputc(curpalettefaded[i].r, fil); // b Bfputc(curpalettefaded[i].g, fil); // g Bfputc(curpalettefaded[i].b, fil); // r } #ifdef USE_OPENGL } #endif 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); #else if (!inverseit) return screencapture_png(filename,inverseit,versionstr); else #endif // if (captureformat == 0) return screencapture_tga(filename,inverseit); // else return screencapture_pcx(filename,inverseit); } // // 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 %d failed postprocessing!\n", i); 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 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_replace(): 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; } int32_t hash_find(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(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: */