// SONIC ROBO BLAST 2 //----------------------------------------------------------------------------- // Copyright (C) 1993-1996 by id Software, Inc. // Copyright (C) 1998-2000 by DooM Legacy Team. // Copyright (C) 1999-2014 by Sonic Team Junior. // // This program is free software distributed under the // terms of the GNU General Public License, version 2. // See the 'LICENSE' file for more details. //----------------------------------------------------------------------------- /// \file v_video.c /// \brief Gamma correction LUT stuff /// Functions to draw patches (by post) directly to screen. /// Functions to blit a block to the screen. #include "doomdef.h" #include "r_local.h" #include "v_video.h" #include "hu_stuff.h" #include "r_draw.h" #include "console.h" #include "i_video.h" // rendermode #include "z_zone.h" #include "m_misc.h" #include "m_random.h" #include "doomstat.h" #ifdef HWRENDER #include "hardware/hw_glob.h" #endif // Each screen is [vid.width*vid.height]; UINT8 *screens[5]; // screens[0] = main display window // screens[1] = back screen, alternative blitting // screens[2] = screenshot buffer, gif movie buffer // screens[3] = fade screen start // screens[4] = fade screen end, postimage tempoarary buffer static CV_PossibleValue_t gamma_cons_t[] = {{0, "MIN"}, {4, "MAX"}, {0, NULL}}; static void CV_usegamma_OnChange(void); consvar_t cv_ticrate = {"showfps", "No", 0, CV_YesNo, NULL, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_usegamma = {"gamma", "0", CV_SAVE|CV_CALL, gamma_cons_t, CV_usegamma_OnChange, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_allcaps = {"allcaps", "Off", 0, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL}; static CV_PossibleValue_t constextsize_cons_t[] = { {V_NOSCALEPATCH, "Small"}, {V_SMALLSCALEPATCH, "Medium"}, {V_MEDSCALEPATCH, "Large"}, {0, "Huge"}, {0, NULL}}; static void CV_constextsize_OnChange(void); consvar_t cv_constextsize = {"con_textsize", "Medium", CV_SAVE|CV_CALL, constextsize_cons_t, CV_constextsize_OnChange, 0, NULL, NULL, 0, 0, NULL}; #ifdef HWRENDER static void CV_Gammaxxx_ONChange(void); // Saved hardware mode variables // - You can change them in software, // but they won't do anything. static CV_PossibleValue_t grgamma_cons_t[] = {{1, "MIN"}, {255, "MAX"}, {0, NULL}}; static CV_PossibleValue_t grsoftwarefog_cons_t[] = {{0, "Off"}, {1, "On"}, {2, "LightPlanes"}, {0, NULL}}; consvar_t cv_voodoocompatibility = {"gr_voodoocompatibility", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grfovchange = {"gr_fovchange", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grfog = {"gr_fog", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grfogcolor = {"gr_fogcolor", "AAAAAA", CV_SAVE, NULL, NULL, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grsoftwarefog = {"gr_softwarefog", "Off", CV_SAVE, grsoftwarefog_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grgammared = {"gr_gammared", "127", CV_SAVE|CV_CALL, grgamma_cons_t, CV_Gammaxxx_ONChange, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grgammagreen = {"gr_gammagreen", "127", CV_SAVE|CV_CALL, grgamma_cons_t, CV_Gammaxxx_ONChange, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grgammablue = {"gr_gammablue", "127", CV_SAVE|CV_CALL, grgamma_cons_t, CV_Gammaxxx_ONChange, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grdynamiclighting = {"gr_dynamiclighting", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grstaticlighting = {"gr_staticlighting", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grcoronas = {"gr_coronas", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL}; consvar_t cv_grcoronasize = {"gr_coronasize", "1", CV_SAVE| CV_FLOAT, 0, NULL, 0, NULL, NULL, 0, 0, NULL}; static CV_PossibleValue_t CV_MD2[] = {{0, "Off"}, {1, "On"}, {2, "Old"}, {0, NULL}}; // console variables in development consvar_t cv_grmd2 = {"gr_md2", "Off", CV_SAVE, CV_MD2, NULL, 0, NULL, NULL, 0, 0, NULL}; #endif const UINT8 gammatable[5][256] = { {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, 17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32, 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48, 49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64, 65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80, 81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96, 97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112, 113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128, 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175, 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223, 224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239, 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255}, {2,4,5,7,8,10,11,12,14,15,16,18,19,20,21,23,24,25,26,27,29,30,31, 32,33,34,36,37,38,39,40,41,42,44,45,46,47,48,49,50,51,52,54,55, 56,57,58,59,60,61,62,63,64,65,66,67,69,70,71,72,73,74,75,76,77, 78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98, 99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114, 115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,129, 130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145, 146,147,148,148,149,150,151,152,153,154,155,156,157,158,159,160, 161,162,163,163,164,165,166,167,168,169,170,171,172,173,174,175, 175,176,177,178,179,180,181,182,183,184,185,186,186,187,188,189, 190,191,192,193,194,195,196,196,197,198,199,200,201,202,203,204, 205,205,206,207,208,209,210,211,212,213,214,214,215,216,217,218, 219,220,221,222,222,223,224,225,226,227,228,229,230,230,231,232, 233,234,235,236,237,237,238,239,240,241,242,243,244,245,245,246, 247,248,249,250,251,252,252,253,254,255}, {4,7,9,11,13,15,17,19,21,22,24,26,27,29,30,32,33,35,36,38,39,40,42, 43,45,46,47,48,50,51,52,54,55,56,57,59,60,61,62,63,65,66,67,68,69, 70,72,73,74,75,76,77,78,79,80,82,83,84,85,86,87,88,89,90,91,92,93, 94,95,96,97,98,100,101,102,103,104,105,106,107,108,109,110,111,112, 113,114,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128, 129,130,131,132,133,133,134,135,136,137,138,139,140,141,142,143,144, 144,145,146,147,148,149,150,151,152,153,153,154,155,156,157,158,159, 160,160,161,162,163,164,165,166,166,167,168,169,170,171,172,172,173, 174,175,176,177,178,178,179,180,181,182,183,183,184,185,186,187,188, 188,189,190,191,192,193,193,194,195,196,197,197,198,199,200,201,201, 202,203,204,205,206,206,207,208,209,210,210,211,212,213,213,214,215, 216,217,217,218,219,220,221,221,222,223,224,224,225,226,227,228,228, 229,230,231,231,232,233,234,235,235,236,237,238,238,239,240,241,241, 242,243,244,244,245,246,247,247,248,249,250,251,251,252,253,254,254, 255}, {8,12,16,19,22,24,27,29,31,34,36,38,40,41,43,45,47,49,50,52,53,55, 57,58,60,61,63,64,65,67,68,70,71,72,74,75,76,77,79,80,81,82,84,85, 86,87,88,90,91,92,93,94,95,96,98,99,100,101,102,103,104,105,106,107, 108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124, 125,126,127,128,129,130,131,132,133,134,135,135,136,137,138,139,140, 141,142,143,143,144,145,146,147,148,149,150,150,151,152,153,154,155, 155,156,157,158,159,160,160,161,162,163,164,165,165,166,167,168,169, 169,170,171,172,173,173,174,175,176,176,177,178,179,180,180,181,182, 183,183,184,185,186,186,187,188,189,189,190,191,192,192,193,194,195, 195,196,197,197,198,199,200,200,201,202,202,203,204,205,205,206,207, 207,208,209,210,210,211,212,212,213,214,214,215,216,216,217,218,219, 219,220,221,221,222,223,223,224,225,225,226,227,227,228,229,229,230, 231,231,232,233,233,234,235,235,236,237,237,238,238,239,240,240,241, 242,242,243,244,244,245,246,246,247,247,248,249,249,250,251,251,252, 253,253,254,254,255}, {16,23,28,32,36,39,42,45,48,50,53,55,57,60,62,64,66,68,69,71,73,75,76, 78,80,81,83,84,86,87,89,90,92,93,94,96,97,98,100,101,102,103,105,106, 107,108,109,110,112,113,114,115,116,117,118,119,120,121,122,123,124, 125,126,128,128,129,130,131,132,133,134,135,136,137,138,139,140,141, 142,143,143,144,145,146,147,148,149,150,150,151,152,153,154,155,155, 156,157,158,159,159,160,161,162,163,163,164,165,166,166,167,168,169, 169,170,171,172,172,173,174,175,175,176,177,177,178,179,180,180,181, 182,182,183,184,184,185,186,187,187,188,189,189,190,191,191,192,193, 193,194,195,195,196,196,197,198,198,199,200,200,201,202,202,203,203, 204,205,205,206,207,207,208,208,209,210,210,211,211,212,213,213,214, 214,215,216,216,217,217,218,219,219,220,220,221,221,222,223,223,224, 224,225,225,226,227,227,228,228,229,229,230,230,231,232,232,233,233, 234,234,235,235,236,236,237,237,238,239,239,240,240,241,241,242,242, 243,243,244,244,245,245,246,246,247,247,248,248,249,249,250,250,251, 251,252,252,253,254,254,255,255} }; // local copy of the palette for V_GetColor() RGBA_t *pLocalPalette = NULL; // keep a copy of the palette so that we can get the RGB value for a color index at any time. static void LoadPalette(const char *lumpname) { const UINT8 *usegamma = gammatable[cv_usegamma.value]; lumpnum_t lumpnum = W_GetNumForName(lumpname); size_t i, palsize = W_LumpLength(lumpnum)/3; UINT8 *pal; Z_Free(pLocalPalette); pLocalPalette = Z_Malloc(sizeof (*pLocalPalette)*palsize, PU_STATIC, NULL); pal = W_CacheLumpNum(lumpnum, PU_CACHE); for (i = 0; i < palsize; i++) { pLocalPalette[i].s.red = usegamma[*pal++]; pLocalPalette[i].s.green = usegamma[*pal++]; pLocalPalette[i].s.blue = usegamma[*pal++]; pLocalPalette[i].s.alpha = 0xFF; } } const char *R_GetPalname(UINT16 num) { static char palname[9]; char newpal[9] = "PLAYPAL"; if (num > 0 && num <= 10000) snprintf(newpal, 8, "PAL%04u", num-1); strncpy(palname, newpal, 8); return palname; } const char *GetPalette(void) { if (gamestate == GS_LEVEL) return R_GetPalname(mapheaderinfo[gamemap-1]->palette); return "PLAYPAL"; } static void LoadMapPalette(void) { LoadPalette(GetPalette()); } // -------------+ // V_SetPalette : Set the current palette to use for palettized graphics // : // -------------+ void V_SetPalette(INT32 palettenum) { if (!pLocalPalette) LoadMapPalette(); #ifdef HWRENDER if (rendermode != render_soft && rendermode != render_none) HWR_SetPalette(&pLocalPalette[palettenum*256]); #if (defined (__unix__) && !defined (MSDOS)) || defined (UNIXCOMMON) || defined (HAVE_SDL) else #endif #endif if (rendermode != render_none) I_SetPalette(&pLocalPalette[palettenum*256]); } void V_SetPaletteLump(const char *pal) { LoadPalette(pal); #ifdef HWRENDER if (rendermode != render_soft && rendermode != render_none) HWR_SetPalette(pLocalPalette); #if (defined (__unix__) && !defined (MSDOS)) || defined (UNIXCOMMON) || defined (HAVE_SDL) else #endif #endif if (rendermode != render_none) I_SetPalette(pLocalPalette); } static void CV_usegamma_OnChange(void) { // reload palette LoadMapPalette(); V_SetPalette(0); } // change the palette directly to see the change #ifdef HWRENDER static void CV_Gammaxxx_ONChange(void) { if (rendermode != render_soft && rendermode != render_none) V_SetPalette(0); } #endif #if defined (__GNUC__) && defined (__i386__) && !defined (NOASM) && !defined (__APPLE__) void VID_BlitLinearScreen_ASM(const UINT8 *srcptr, UINT8 *destptr, INT32 width, INT32 height, size_t srcrowbytes, size_t destrowbytes); #define HAVE_VIDCOPY #endif static void CV_constextsize_OnChange(void) { con_recalc = true; } // -------------------------------------------------------------------------- // Copy a rectangular area from one bitmap to another (8bpp) // -------------------------------------------------------------------------- void VID_BlitLinearScreen(const UINT8 *srcptr, UINT8 *destptr, INT32 width, INT32 height, size_t srcrowbytes, size_t destrowbytes) { #ifdef HAVE_VIDCOPY VID_BlitLinearScreen_ASM(srcptr,destptr,width,height,srcrowbytes,destrowbytes); #else if (srcrowbytes == destrowbytes) M_Memcpy(destptr, srcptr, srcrowbytes * height); else { while (height--) { M_Memcpy(destptr, srcptr, width); destptr += destrowbytes; srcptr += srcrowbytes; } } #endif } static UINT8 hudplusalpha[11] = { 10, 8, 6, 4, 2, 0, 0, 0, 0, 0, 0}; static UINT8 hudminusalpha[11] = { 10, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5}; static const UINT8 *v_colormap = NULL; static const UINT8 *v_translevel = NULL; static inline UINT8 standardpdraw(const UINT8 *dest, const UINT8 *source, fixed_t ofs) { (void)dest; return source[ofs>>FRACBITS]; } static inline UINT8 mappedpdraw(const UINT8 *dest, const UINT8 *source, fixed_t ofs) { (void)dest; return *(v_colormap + source[ofs>>FRACBITS]); } static inline UINT8 translucentpdraw(const UINT8 *dest, const UINT8 *source, fixed_t ofs) { return *(v_translevel + ((source[ofs>>FRACBITS]<<8)&0xff00) + (*dest&0xff)); } static inline UINT8 transmappedpdraw(const UINT8 *dest, const UINT8 *source, fixed_t ofs) { return *(v_translevel + (((*(v_colormap + source[ofs>>FRACBITS]))<<8)&0xff00) + (*dest&0xff)); } // Draws a patch scaled to arbitrary size. void V_DrawFixedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_t *patch, const UINT8 *colormap) { UINT8 (*patchdrawfunc)(const UINT8*, const UINT8*, fixed_t); UINT32 alphalevel = 0; boolean flip = false; fixed_t col, ofs, colfrac, rowfrac, fdup; INT32 dupx, dupy; const column_t *column; UINT8 *desttop, *dest, *deststart, *destend; const UINT8 *source, *deststop; if (rendermode == render_none) return; #ifdef HWRENDER // oh please if (rendermode != render_soft && !con_startup) { HWR_DrawFixedPatch((GLPatch_t *)patch, x, y, pscale, scrn, colormap); return; } #endif patchdrawfunc = standardpdraw; v_translevel = NULL; if ((alphalevel = ((scrn & V_ALPHAMASK) >> V_ALPHASHIFT))) { if (alphalevel == 13) alphalevel = hudminusalpha[cv_translucenthud.value]; else if (alphalevel == 14) alphalevel = 10 - cv_translucenthud.value; else if (alphalevel == 15) alphalevel = hudplusalpha[cv_translucenthud.value]; if (alphalevel >= 10) return; // invis } if (alphalevel) { v_translevel = transtables + ((alphalevel-1)<<16); patchdrawfunc = translucentpdraw; } v_colormap = NULL; if (colormap) { v_colormap = colormap; patchdrawfunc = (v_translevel) ? transmappedpdraw : mappedpdraw; } dupx = vid.dupx; dupy = vid.dupy; if (scrn & V_SCALEPATCHMASK) switch ((scrn & V_SCALEPATCHMASK) >> V_SCALEPATCHSHIFT) { case 1: // V_NOSCALEPATCH dupx = dupy = 1; break; case 2: // V_SMALLSCALEPATCH dupx = vid.smalldupx; dupy = vid.smalldupy; break; case 3: // V_MEDSCALEPATCH dupx = vid.meddupx; dupy = vid.meddupy; break; default: break; } // only use one dup, to avoid stretching (har har) dupx = dupy = (dupx < dupy ? dupx : dupy); fdup = FixedMul(dupx<topoffset)*dupy)<leftoffset)*dupx)<topoffset)<width) - SHORT(patch->leftoffset))<leftoffset)<>=1; desttop = screens[scrn&V_PARAMMASK]; if (!desttop) return; deststop = desttop + vid.rowbytes * vid.height; if (scrn & V_NOSCALESTART) { x >>= FRACBITS; y >>= FRACBITS; desttop += (y*vid.width) + x; } else { x = FixedMul(x,dupx<>= FRACBITS; y >>= FRACBITS; desttop += (y*vid.width) + x; // Center it if necessary if (!(scrn & V_SCALEPATCHMASK)) { if (vid.width != BASEVIDWIDTH * dupx) { // dupx adjustments pretend that screen width is BASEVIDWIDTH * dupx, // so center this imaginary screen if (scrn & V_SNAPTORIGHT) desttop += (vid.width - (BASEVIDWIDTH * dupx)); else if (!(scrn & V_SNAPTOLEFT)) desttop += (vid.width - (BASEVIDWIDTH * dupx)) / 2; } if (vid.height != BASEVIDHEIGHT * dupy) { // same thing here if ((scrn & (V_SPLITSCREEN|V_SNAPTOBOTTOM)) == (V_SPLITSCREEN|V_SNAPTOBOTTOM)) desttop += (vid.height/2 - (BASEVIDHEIGHT/2 * dupy)) * vid.width; else if (scrn & V_SNAPTOBOTTOM) desttop += (vid.height - (BASEVIDHEIGHT * dupy)) * vid.width; else if (!(scrn & V_SNAPTOTOP)) desttop += (vid.height - (BASEVIDHEIGHT * dupy)) * vid.width / 2; } // if it's meant to cover the whole screen, black out the rest if (x == 0 && SHORT(patch->width) == BASEVIDWIDTH && y == 0 && SHORT(patch->height) == BASEVIDHEIGHT) { column = (const column_t *)((const UINT8 *)(patch) + LONG(patch->columnofs[0])); source = (const UINT8 *)(column) + 3; V_DrawFill(0, 0, BASEVIDWIDTH, BASEVIDHEIGHT, (column->topdelta == 0xff ? 31 : source[0])); } } } deststart = desttop; destend = desttop + SHORT(patch->width) * dupx; for (col = 0; (col>>FRACBITS) < SHORT(patch->width); col += colfrac, ++x, desttop++) { INT32 topdelta, prevdelta = -1; if (x < 0) // don't draw off the left of the screen (WRAP PREVENTION) continue; if (x >= vid.width) // don't draw off the right of the screen (WRAP PREVENTION) break; column = (const column_t *)((const UINT8 *)(patch) + LONG(patch->columnofs[col>>FRACBITS])); while (column->topdelta != 0xff) { topdelta = column->topdelta; if (topdelta <= prevdelta) topdelta += prevdelta; prevdelta = topdelta; source = (const UINT8 *)(column) + 3; dest = desttop; if (flip) dest = deststart + (destend - desttop); dest += FixedInt(FixedMul(topdelta<>FRACBITS) < column->length; ofs += rowfrac) { if (dest >= screens[scrn&V_PARAMMASK]) // don't draw off the top of the screen (CRASH PREVENTION) *dest = patchdrawfunc(dest, source, ofs); dest += vid.width; } column = (const column_t *)((const UINT8 *)column + column->length + 4); } } } // Draws a patch cropped and scaled to arbitrary size. void V_DrawCroppedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_t *patch, fixed_t sx, fixed_t sy, fixed_t w, fixed_t h) { fixed_t col, ofs, colfrac, rowfrac, fdup; INT32 dupx, dupy; const column_t *column; UINT8 *desttop, *dest; const UINT8 *source, *deststop; if (rendermode == render_none) return; #ifdef HWRENDER // Done if (rendermode != render_soft && !con_startup) { HWR_DrawCroppedPatch((GLPatch_t*)patch,x,y,pscale,scrn,sx,sy,w,h); return; } #endif // only use one dup, to avoid stretching (har har) dupx = dupy = (vid.dupx < vid.dupy ? vid.dupx : vid.dupy); fdup = FixedMul(dupx<topoffset)<leftoffset)<>= FRACBITS; y >>= FRACBITS; desttop += (y*vid.width) + x; } else { x = FixedMul(x,dupx<>= FRACBITS; y >>= FRACBITS; desttop += (y*vid.width) + x; // Center it if necessary if (!(scrn & V_SCALEPATCHMASK)) { if (vid.width != BASEVIDWIDTH * dupx) { // dupx adjustments pretend that screen width is BASEVIDWIDTH * dupx, // so center this imaginary screen if (scrn & V_SNAPTORIGHT) desttop += (vid.width - (BASEVIDWIDTH * dupx)); else if (!(scrn & V_SNAPTOLEFT)) desttop += (vid.width - (BASEVIDWIDTH * dupx)) / 2; } if (vid.height != BASEVIDHEIGHT * dupy) { // same thing here if (scrn & V_SNAPTOBOTTOM) desttop += (vid.height - (BASEVIDHEIGHT * dupy)) * vid.width; else if (!(scrn & V_SNAPTOTOP)) desttop += (vid.height - (BASEVIDHEIGHT * dupy)) * vid.width / 2; } // if it's meant to cover the whole screen, black out the rest if (x == 0 && SHORT(patch->width) == BASEVIDWIDTH && y == 0 && SHORT(patch->height) == BASEVIDHEIGHT) { column = (const column_t *)((const UINT8 *)(patch) + LONG(patch->columnofs[0])); source = (const UINT8 *)(column) + 3; V_DrawFill(0, 0, BASEVIDWIDTH, BASEVIDHEIGHT, (column->topdelta == 0xff ? 31 : source[0])); } } } for (col = sx<>FRACBITS) < SHORT(patch->width) && (col>>FRACBITS) < w; col += colfrac, ++x, desttop++) { INT32 topdelta, prevdelta = -1; if (x < 0) // don't draw off the left of the screen (WRAP PREVENTION) continue; if (x >= vid.width) // don't draw off the right of the screen (WRAP PREVENTION) break; column = (const column_t *)((const UINT8 *)(patch) + LONG(patch->columnofs[col>>FRACBITS])); while (column->topdelta != 0xff) { topdelta = column->topdelta; if (topdelta <= prevdelta) topdelta += prevdelta; prevdelta = topdelta; source = (const UINT8 *)(column) + 3; dest = desttop; dest += FixedInt(FixedMul(topdelta<>FRACBITS) < column->length && (ofs>>FRACBITS) < h; ofs += rowfrac) { if (dest >= screens[scrn&V_PARAMMASK]) // don't draw off the top of the screen (CRASH PREVENTION) *dest = source[ofs>>FRACBITS]; dest += vid.width; } column = (const column_t *)((const UINT8 *)column + column->length + 4); } } } // // V_DrawContinueIcon // Draw a mini player! If we can, that is. Otherwise we draw a star. // void V_DrawContinueIcon(INT32 x, INT32 y, INT32 flags, INT32 skinnum, UINT8 skincolor) { if (skins[skinnum].flags & SF_HIRES #ifdef HWRENDER // || (rendermode != render_soft && rendermode != render_none) #endif ) V_DrawScaledPatch(x - 10, y - 14, flags, W_CachePatchName("CONTINS", PU_CACHE)); else { spriteframe_t *sprframe = &skins[skinnum].sprites[SPR2_WAIT].spriteframes[0]; patch_t *patch = W_CachePatchNum(sprframe->lumppat[0], PU_CACHE); const UINT8 *colormap = R_GetTranslationColormap(skinnum, skincolor, GTC_CACHE); // No variant for translucency V_DrawTinyMappedPatch(x, y, flags, patch, colormap); } } // // V_DrawBlock // Draw a linear block of pixels into the view buffer. // void V_DrawBlock(INT32 x, INT32 y, INT32 scrn, INT32 width, INT32 height, const UINT8 *src) { UINT8 *dest; const UINT8 *deststop; #ifdef RANGECHECK if (x < 0 || x + width > vid.width || y < 0 || y + height > vid.height || (unsigned)scrn > 4) I_Error("Bad V_DrawBlock"); #endif dest = screens[scrn] + y*vid.width + x; deststop = screens[scrn] + vid.rowbytes * vid.height; while (height--) { M_Memcpy(dest, src, width); src += width; dest += vid.width; if (dest > deststop) return; } } static void V_BlitScaledPic(INT32 px1, INT32 py1, INT32 scrn, pic_t *pic); // Draw a linear pic, scaled, TOTALLY CRAP CODE!!! OPTIMISE AND ASM!! // void V_DrawScaledPic(INT32 rx1, INT32 ry1, INT32 scrn, INT32 lumpnum) { #ifdef HWRENDER if (rendermode != render_soft) { HWR_DrawPic(rx1, ry1, lumpnum); return; } #endif V_BlitScaledPic(rx1, ry1, scrn, W_CacheLumpNum(lumpnum, PU_CACHE)); } static void V_BlitScaledPic(INT32 rx1, INT32 ry1, INT32 scrn, pic_t * pic) { INT32 dupx, dupy; INT32 x, y; UINT8 *src, *dest; INT32 width, height; width = SHORT(pic->width); height = SHORT(pic->height); scrn &= V_PARAMMASK; if (pic->mode != 0) { CONS_Debug(DBG_RENDER, "pic mode %d not supported in Software\n", pic->mode); return; } dest = screens[scrn] + max(0, ry1 * vid.width) + max(0, rx1); // y cliping to the screen if (ry1 + height * vid.dupy >= vid.width) height = (vid.width - ry1) / vid.dupy - 1; // WARNING no x clipping (not needed for the moment) for (y = max(0, -ry1 / vid.dupy); y < height; y++) { for (dupy = vid.dupy; dupy; dupy--) { src = pic->data + y * width; for (x = 0; x < width; x++) { for (dupx = vid.dupx; dupx; dupx--) *dest++ = *src; src++; } dest += vid.width - vid.dupx * width; } } } // // Fills a box of pixels with a single color, NOTE: scaled to screen size // void V_DrawFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 c) { UINT8 *dest; const UINT8 *deststop; INT32 u, v, dupx, dupy; #ifdef HWRENDER if (rendermode != render_soft && rendermode != render_none) { HWR_DrawFill(x, y, w, h, c); return; } #endif dupx = vid.dupx; dupy = vid.dupy; if (!screens[0]) return; if (x == 0 && y == 0 && w == BASEVIDWIDTH && h == BASEVIDHEIGHT) { // Clear the entire screen, from dest to deststop. Yes, this really works. memset(screens[0], (UINT8)(c&255), vid.width * vid.height * vid.bpp); return; } dest = screens[0] + y*dupy*vid.width + x*dupx; deststop = screens[0] + vid.rowbytes * vid.height; if (w == BASEVIDWIDTH) w = vid.width; else w *= dupx; if (h == BASEVIDHEIGHT) h = vid.height; else h *= dupy; if (x && y && x + w < vid.width && y + h < vid.height) { // Center it if necessary if (vid.width != BASEVIDWIDTH * dupx) { // dupx adjustments pretend that screen width is BASEVIDWIDTH * dupx, // so center this imaginary screen if (c & V_SNAPTORIGHT) dest += (vid.width - (BASEVIDWIDTH * dupx)); else if (!(c & V_SNAPTOLEFT)) dest += (vid.width - (BASEVIDWIDTH * dupx)) / 2; } if (vid.height != BASEVIDHEIGHT * dupy) { // same thing here if (c & V_SNAPTOBOTTOM) dest += (vid.height - (BASEVIDHEIGHT * dupy)) * vid.width; else if (!(c & V_SNAPTOTOP)) dest += (vid.height - (BASEVIDHEIGHT * dupy)) * vid.width / 2; } } c &= 255; for (v = 0; v < h; v++, dest += vid.width) for (u = 0; u < w; u++) { if (dest > deststop) return; dest[u] = (UINT8)c; } } // // Fills a box of pixels using a flat texture as a pattern, scaled to screen size. // void V_DrawFlatFill(INT32 x, INT32 y, INT32 w, INT32 h, lumpnum_t flatnum) { INT32 u, v, dupx, dupy; fixed_t dx, dy, xfrac, yfrac; const UINT8 *src, *deststop; UINT8 *flat, *dest; size_t size, lflatsize, flatshift; #ifdef HWRENDER if (rendermode != render_soft && rendermode != render_none) { HWR_DrawFlatFill(x, y, w, h, flatnum); return; } #endif size = W_LumpLength(flatnum); switch (size) { case 4194304: // 2048x2048 lump lflatsize = 2048; flatshift = 10; break; case 1048576: // 1024x1024 lump lflatsize = 1024; flatshift = 9; break; case 262144:// 512x512 lump lflatsize = 512; flatshift = 8; break; case 65536: // 256x256 lump lflatsize = 256; flatshift = 7; break; case 16384: // 128x128 lump lflatsize = 128; flatshift = 7; break; case 1024: // 32x32 lump lflatsize = 32; flatshift = 5; break; default: // 64x64 lump lflatsize = 64; flatshift = 6; break; } flat = W_CacheLumpNum(flatnum, PU_CACHE); dupx = dupy = (vid.dupx < vid.dupy ? vid.dupx : vid.dupy); dest = screens[0] + y*dupy*vid.width + x*dupx; deststop = screens[0] + vid.rowbytes * vid.height; // from V_DrawScaledPatch if (vid.width != BASEVIDWIDTH * dupx) { // dupx adjustments pretend that screen width is BASEVIDWIDTH * dupx, // so center this imaginary screen dest += (vid.width - (BASEVIDWIDTH * dupx)) / 2; } if (vid.height != BASEVIDHEIGHT * dupy) { // same thing here dest += (vid.height - (BASEVIDHEIGHT * dupy)) * vid.width / 2; } w *= dupx; h *= dupy; dx = FixedDiv(FRACUNIT, dupx<<(FRACBITS-2)); dy = FixedDiv(FRACUNIT, dupy<<(FRACBITS-2)); yfrac = 0; for (v = 0; v < h; v++, dest += vid.width) { xfrac = 0; src = flat + (((yfrac>>FRACBITS) & (lflatsize - 1)) << flatshift); for (u = 0; u < w; u++) { if (&dest[u] > deststop) return; dest[u] = src[(xfrac>>FRACBITS)&(lflatsize-1)]; xfrac += dx; } yfrac += dy; } } // // V_DrawPatchFill // void V_DrawPatchFill(patch_t *pat) { INT32 dupz = (vid.dupx < vid.dupy ? vid.dupx : vid.dupy); INT32 x, y, pw = SHORT(pat->width) * dupz, ph = SHORT(pat->height) * dupz; #ifdef HWRENDER if (rendermode == render_opengl) { pw = FixedMul(SHORT(pat->width)*FRACUNIT, vid.fdupx)>>FRACBITS; ph = FixedMul(SHORT(pat->height)*FRACUNIT, vid.fdupy)>>FRACBITS; } #endif for (x = 0; x < vid.width; x += pw) { for (y = 0; y < vid.height; y += ph) V_DrawScaledPatch(x, y, V_NOSCALESTART, pat); } } // // Fade all the screen buffer, so that the menu is more readable, // especially now that we use the small hufont in the menus... // void V_DrawFadeScreen(void) { const UINT8 *fadetable = (UINT8 *)colormaps + 16*256; const UINT8 *deststop = screens[0] + vid.rowbytes * vid.height; UINT8 *buf = screens[0]; #ifdef HWRENDER if (rendermode != render_soft && rendermode != render_none) { HWR_FadeScreenMenuBack(0x01010160, 0); // hack, 0 means full height return; } #endif // heavily simplified -- we don't need to know x or y // position when we're doing a full screen fade for (; buf < deststop; ++buf) *buf = fadetable[*buf]; } // Simple translucency with one color, over a set number of lines starting from the top. void V_DrawFadeConsBack(INT32 plines, INT32 pcolor) { UINT8 *deststop, *colormap, *buf; #ifdef HWRENDER // not win32 only 19990829 by Kin if (rendermode != render_soft && rendermode != render_none) { UINT32 hwcolor; switch (pcolor) { case 0: hwcolor = 0xffffff00; break; //white case 1: hwcolor = 0xff800000; break; //orange case 2: hwcolor = 0x0000ff00; break; //blue case 3: hwcolor = 0x00800000; break; //green case 4: hwcolor = 0x80808000; break; //gray case 5: hwcolor = 0xff000000; break; //red default: hwcolor = 0x00800000; break; //green } HWR_DrawConsoleBack(hwcolor, plines); return; } #endif switch (pcolor) { case 0: colormap = cwhitemap; break; case 1: colormap = corangemap; break; case 2: colormap = cbluemap; break; case 3: colormap = cgreenmap; break; case 4: colormap = cgraymap; break; case 5: colormap = credmap; break; default: colormap = cgreenmap; break; } // heavily simplified -- we don't need to know x or y position, // just the stop position deststop = screens[0] + vid.rowbytes * min(plines, vid.height); for (buf = screens[0]; buf < deststop; ++buf) *buf = colormap[*buf]; } // Gets string colormap, used for 0x80 color codes // static const UINT8 *V_GetStringColormap(INT32 colorflags) { switch ((colorflags & V_CHARCOLORMASK) >> V_CHARCOLORSHIFT) { case 1: // 0x81, purple return purplemap; case 2: // 0x82, yellow return yellowmap; case 3: // 0x83, lgreen return lgreenmap; case 4: // 0x84, blue return bluemap; case 5: // 0x85, red return redmap; case 6: // 0x86, gray return graymap; case 7: // 0x87, orange return orangemap; default: // reset return NULL; } } // Writes a single character (draw WHITE if bit 7 set) // void V_DrawCharacter(INT32 x, INT32 y, INT32 c, boolean lowercaseallowed) { INT32 w, flags; const UINT8 *colormap = V_GetStringColormap(c); flags = c & ~(V_CHARCOLORMASK | V_PARAMMASK); c &= 0x7f; if (lowercaseallowed) c -= HU_FONTSTART; else c = toupper(c) - HU_FONTSTART; if (c < 0 || c >= HU_FONTSIZE || !hu_font[c]) return; w = SHORT(hu_font[c]->width); if (x + w > vid.width) return; if (colormap != NULL) V_DrawMappedPatch(x, y, flags, hu_font[c], colormap); else V_DrawScaledPatch(x, y, flags, hu_font[c]); } // Precompile a wordwrapped string to any given width. // This is a muuuch better method than V_WORDWRAP. char *V_WordWrap(INT32 x, INT32 w, INT32 option, const char *string) { int c; size_t chw, i, lastusablespace = 0; size_t slen; char *newstring = Z_StrDup(string); INT32 spacewidth = 4, charwidth = 0; slen = strlen(string); if (w == 0) w = BASEVIDWIDTH; w -= x; x = 0; switch (option & V_SPACINGMASK) { case V_MONOSPACE: spacewidth = 8; case V_OLDSPACING: charwidth = 8; break; case V_6WIDTHSPACE: spacewidth = 6; default: break; } for (i = 0; i < slen; ++i) { c = newstring[i]; if ((UINT8)c >= 0x80 && (UINT8)c <= 0x89) //color parsing! -Inuyasha 2.16.09 continue; if (c == '\n') { x = 0; lastusablespace = 0; continue; } if (!(option & V_ALLOWLOWERCASE)) c = toupper(c); c -= HU_FONTSTART; if (c < 0 || c >= HU_FONTSIZE || !hu_font[c]) { chw = spacewidth; lastusablespace = i; } else chw = (charwidth ? charwidth : hu_font[c]->width); x += chw; if (lastusablespace != 0 && x > w) { newstring[lastusablespace] = '\n'; i = lastusablespace; lastusablespace = 0; x = 0; } } return newstring; } // // Write a string using the hu_font // NOTE: the text is centered for screens larger than the base width // void V_DrawString(INT32 x, INT32 y, INT32 option, const char *string) { INT32 w, c, cx = x, cy = y, dupx, dupy, scrwidth = BASEVIDWIDTH, center = 0; const char *ch = string; INT32 charflags = 0; const UINT8 *colormap = NULL; INT32 spacewidth = 4, charwidth = 0; INT32 lowercase = (option & V_ALLOWLOWERCASE); option &= ~V_FLIP; // which is also shared with V_ALLOWLOWERCASE... if (option & V_NOSCALESTART) { dupx = vid.dupx; dupy = vid.dupy; scrwidth = vid.width; } else dupx = dupy = 1; charflags = (option & V_CHARCOLORMASK); switch (option & V_SPACINGMASK) { case V_MONOSPACE: spacewidth = 8; case V_OLDSPACING: charwidth = 8; break; case V_6WIDTHSPACE: spacewidth = 6; default: break; } for (;;ch++) { if (!*ch) break; if (*ch & 0x80) //color parsing -x 2.16.09 { // manually set flags override color codes if (!(option & V_CHARCOLORMASK)) charflags = ((*ch & 0x7f) << V_CHARCOLORSHIFT) & V_CHARCOLORMASK; continue; } if (*ch == '\n') { cx = x; if (option & V_RETURN8) cy += 8*dupy; else cy += 12*dupy; continue; } c = *ch; if (!lowercase) c = toupper(c); c -= HU_FONTSTART; // character does not exist or is a space if (c < 0 || c >= HU_FONTSIZE || !hu_font[c]) { cx += spacewidth * dupx; continue; } if (charwidth) { w = charwidth * dupx; center = w/2 - SHORT(hu_font[c]->width)*dupx/2; } else w = SHORT(hu_font[c]->width) * dupx; if (cx + w > scrwidth) break; if (cx < 0) //left boundary check { cx += w; continue; } colormap = V_GetStringColormap(charflags); V_DrawFixedPatch((cx + center)<= HU_FONTSIZE || !hu_font[c]) { cx += spacewidth * dupx; continue; } if (charwidth) { w = charwidth * dupx; center = w/2 - SHORT(hu_font[c]->width)*dupx/4; } else w = SHORT(hu_font[c]->width) * dupx / 2; if (cx + w > scrwidth) break; if (cx < 0) //left boundary check { cx += w; continue; } colormap = V_GetStringColormap(charflags); V_DrawFixedPatch((cx + center)<= HU_FONTSIZE || !tny_font[c]) { cx += spacewidth * dupx; continue; } if (charwidth) w = charwidth * dupx; else w = (SHORT(tny_font[c]->width) * dupx); if (cx + w > scrwidth) break; if (cx < 0) //left boundary check { cx += w; continue; } colormap = V_GetStringColormap(charflags); V_DrawFixedPatch(cx<= HU_FONTSIZE || !hu_font[c]) { cx += (spacewidth * dupx)<width)*(dupx/2); } else w = SHORT(hu_font[c]->width) * dupx; if ((cx>>FRACBITS) + w > scrwidth) break; if (cx < 0) //left boundary check { cx += w<width); boolean neg; if (flags & V_NOSCALESTART) w *= vid.dupx; if ((neg = num < 0)) num = -num; // draw the number do { x -= w; V_DrawScaledPatch(x, y, flags, tallnum[num % 10]); num /= 10; } while (num); // draw a minus sign if necessary if (neg) V_DrawScaledPatch(x - w, y, flags, tallminus); // Tails } // Draws a number with a set number of digits. // Does not handle negative numbers in a special way, don't try to feed it any. void V_DrawPaddedTallNum(INT32 x, INT32 y, INT32 flags, INT32 num, INT32 digits) { INT32 w = SHORT(tallnum[0]->width); if (flags & V_NOSCALESTART) w *= vid.dupx; if (num < 0) num = -num; // draw the number do { x -= w; V_DrawScaledPatch(x, y, flags, tallnum[num % 10]); num /= 10; } while (--digits); } // Write a string using the credit font // NOTE: the text is centered for screens larger than the base width // void V_DrawCreditString(fixed_t x, fixed_t y, INT32 option, const char *string) { INT32 w, c, dupx, dupy, scrwidth = BASEVIDWIDTH; fixed_t cx = x, cy = y; const char *ch = string; // It's possible for string to be a null pointer if (!string) return; if (option & V_NOSCALESTART) { dupx = vid.dupx; dupy = vid.dupy; scrwidth = vid.width; } else dupx = dupy = 1; for (;;) { c = *ch++; if (!c) break; if (c == '\n') { cx = x; cy += (12*dupy)<= CRED_FONTSIZE) { cx += (16*dupx)<width) * dupx; if ((cx>>FRACBITS) + w > scrwidth) break; V_DrawSciencePatch(cx, cy, option, cred_font[c], FRACUNIT); cx += w<= CRED_FONTSIZE) w += 16; else w += SHORT(cred_font[c]->width); } return w; } // Write a string using the level title font // NOTE: the text is centered for screens larger than the base width // void V_DrawLevelTitle(INT32 x, INT32 y, INT32 option, const char *string) { INT32 w, c, cx = x, cy = y, dupx, dupy, scrwidth = BASEVIDWIDTH; const char *ch = string; if (option & V_NOSCALESTART) { dupx = vid.dupx; dupy = vid.dupy; scrwidth = vid.width; } else dupx = dupy = 1; for (;;) { c = *ch++; if (!c) break; if (c == '\n') { cx = x; cy += 12*dupy; continue; } c = toupper(c) - LT_FONTSTART; if (c < 0 || c >= LT_FONTSIZE || !lt_font[c]) { cx += 16*dupx; continue; } w = SHORT(lt_font[c]->width) * dupx; if (cx + w > scrwidth) break; //left boundary check if (cx < 0) { cx += w; continue; } V_DrawScaledPatch(cx, cy, option, lt_font[c]); cx += w; } } // Find string width from lt_font chars // INT32 V_LevelNameWidth(const char *string) { INT32 c, w = 0; size_t i; for (i = 0; i < strlen(string); i++) { c = toupper(string[i]) - LT_FONTSTART; if (c < 0 || c >= LT_FONTSIZE || !lt_font[c]) w += 16; else w += SHORT(lt_font[c]->width); } return w; } // Find max height of the string // INT32 V_LevelNameHeight(const char *string) { INT32 c, w = 0; size_t i; for (i = 0; i < strlen(string); i++) { c = toupper(string[i]) - LT_FONTSTART; if (c < 0 || c >= LT_FONTSIZE || !lt_font[c]) continue; if (SHORT(lt_font[c]->height) > w) w = SHORT(lt_font[c]->height); } return w; } // // Find string width from hu_font chars // INT32 V_StringWidth(const char *string, INT32 option) { INT32 c, w = 0; INT32 spacewidth = 4, charwidth = 0; size_t i; switch (option & V_SPACINGMASK) { case V_MONOSPACE: spacewidth = 8; case V_OLDSPACING: charwidth = 8; break; case V_6WIDTHSPACE: spacewidth = 6; default: break; } for (i = 0; i < strlen(string); i++) { c = string[i]; if ((UINT8)c >= 0x80 && (UINT8)c <= 0x89) //color parsing! -Inuyasha 2.16.09 continue; c = toupper(c) - HU_FONTSTART; if (c < 0 || c >= HU_FONTSIZE || !hu_font[c]) w += spacewidth; else w += (charwidth ? charwidth : SHORT(hu_font[c]->width)); } return w; } // // Find string width from hu_font chars, 0.5x scale // INT32 V_SmallStringWidth(const char *string, INT32 option) { INT32 c, w = 0; INT32 spacewidth = 2, charwidth = 0; size_t i; switch (option & V_SPACINGMASK) { case V_MONOSPACE: spacewidth = 4; case V_OLDSPACING: charwidth = 4; break; case V_6WIDTHSPACE: spacewidth = 3; default: break; } for (i = 0; i < strlen(string); i++) { c = string[i]; if ((UINT8)c >= 0x80 && (UINT8)c <= 0x89) //color parsing! -Inuyasha 2.16.09 continue; c = toupper(c) - HU_FONTSTART; if (c < 0 || c >= HU_FONTSIZE || !hu_font[c]) w += spacewidth; else w += (charwidth ? charwidth : SHORT(hu_font[c]->width)/2); } return w; } // // Find string width from tny_font chars // INT32 V_ThinStringWidth(const char *string, INT32 option) { INT32 c, w = 0; INT32 spacewidth = 2, charwidth = 0; size_t i; switch (option & V_SPACINGMASK) { case V_MONOSPACE: spacewidth = 5; case V_OLDSPACING: charwidth = 5; break; case V_6WIDTHSPACE: spacewidth = 3; default: break; } for (i = 0; i < strlen(string); i++) { c = string[i]; if ((UINT8)c >= 0x80 && (UINT8)c <= 0x89) //color parsing! -Inuyasha 2.16.09 continue; c = toupper(c) - HU_FONTSTART; if (c < 0 || c >= HU_FONTSIZE || !tny_font[c]) w += spacewidth; else w += (charwidth ? charwidth : SHORT(tny_font[c]->width)); } return w; } boolean *heatshifter = NULL; INT32 lastheight = 0; INT32 heatindex[2] = { 0, 0 }; // // V_DoPostProcessor // // Perform a particular image postprocessing function. // #include "p_local.h" void V_DoPostProcessor(INT32 view, postimg_t type, INT32 param) { #if NUMSCREENS < 5 // do not enable image post processing for ARM, SH and MIPS CPUs (void)view; (void)type; (void)param; #else INT32 height, yoffset; #ifdef HWRENDER // draw a hardware converted patch if (rendermode != render_soft && rendermode != render_none) return; #endif if (view < 0 || view >= 2 || (view == 1 && !splitscreen)) return; if (splitscreen) height = vid.height/2; else height = vid.height; if (view == 1) yoffset = vid.height/2; else yoffset = 0; if (type == postimg_water) { UINT8 *tmpscr = screens[4]; UINT8 *srcscr = screens[0]; INT32 y; angle_t disStart = (leveltime * 128) & FINEMASK; // in 0 to FINEANGLE INT32 newpix; INT32 sine; //UINT8 *transme = transtables + ((tr_trans50-1)<<16); for (y = yoffset; y < yoffset+height; y++) { sine = (FINESINE(disStart)*5)>>FRACBITS; newpix = abs(sine); if (sine < 0) { M_Memcpy(&tmpscr[y*vid.width+newpix], &srcscr[y*vid.width], vid.width-newpix); // Cleanup edge while (newpix) { tmpscr[y*vid.width+newpix] = srcscr[y*vid.width]; newpix--; } } else { M_Memcpy(&tmpscr[y*vid.width+0], &srcscr[y*vid.width+sine], vid.width-newpix); // Cleanup edge while (newpix) { tmpscr[y*vid.width+vid.width-newpix] = srcscr[y*vid.width+(vid.width-1)]; newpix--; } } /* Unoptimized version for (x = 0; x < vid.width*vid.bpp; x++) { newpix = (x + sine); if (newpix < 0) newpix = 0; else if (newpix >= vid.width) newpix = vid.width-1; tmpscr[y*vid.width + x] = srcscr[y*vid.width+newpix]; // *(transme + (srcscr[y*vid.width+x]<<8) + srcscr[y*vid.width+newpix]); }*/ disStart += 22;//the offset into the displacement map, increment each game loop disStart &= FINEMASK; //clip it to FINEMASK } VID_BlitLinearScreen(tmpscr+vid.width*vid.bpp*yoffset, screens[0]+vid.width*vid.bpp*yoffset, vid.width*vid.bpp, height, vid.width*vid.bpp, vid.width); } else if (type == postimg_motion) // Motion Blur! { UINT8 *tmpscr = screens[4]; UINT8 *srcscr = screens[0]; INT32 x, y; // TODO: Add a postimg_param so that we can pick the translucency level... UINT8 *transme = transtables + ((param-1)<<16); for (y = yoffset; y < yoffset+height; y++) { for (x = 0; x < vid.width; x++) { tmpscr[y*vid.width + x] = colormaps[*(transme + (srcscr [y*vid.width+x ] <<8) + (tmpscr[y*vid.width+x]))]; } } VID_BlitLinearScreen(tmpscr+vid.width*vid.bpp*yoffset, screens[0]+vid.width*vid.bpp*yoffset, vid.width*vid.bpp, height, vid.width*vid.bpp, vid.width); } else if (type == postimg_flip) // Flip the screen upside-down { UINT8 *tmpscr = screens[4]; UINT8 *srcscr = screens[0]; INT32 y, y2; for (y = yoffset, y2 = yoffset+height - 1; y < yoffset+height; y++, y2--) M_Memcpy(&tmpscr[y2*vid.width], &srcscr[y*vid.width], vid.width); VID_BlitLinearScreen(tmpscr+vid.width*vid.bpp*yoffset, screens[0]+vid.width*vid.bpp*yoffset, vid.width*vid.bpp, height, vid.width*vid.bpp, vid.width); } else if (type == postimg_heat) // Heat wave { UINT8 *tmpscr = screens[4]; UINT8 *srcscr = screens[0]; INT32 y; // Make sure table is built if (heatshifter == NULL || lastheight != height) { if (heatshifter) Z_Free(heatshifter); heatshifter = Z_Calloc(height * sizeof(boolean), PU_STATIC, NULL); for (y = 0; y < height; y++) { if (M_Random() < 32) heatshifter[y] = true; } heatindex[0] = heatindex[1] = 0; lastheight = height; } for (y = yoffset; y < yoffset+height; y++) { if (heatshifter[heatindex[view]++]) { // Shift this row of pixels to the right by 2 tmpscr[y*vid.width] = srcscr[y*vid.width]; M_Memcpy(&tmpscr[y*vid.width+vid.dupx], &srcscr[y*vid.width], vid.width-vid.dupx); } else M_Memcpy(&tmpscr[y*vid.width], &srcscr[y*vid.width], vid.width); heatindex[view] %= height; } heatindex[view]++; heatindex[view] %= vid.height; VID_BlitLinearScreen(tmpscr+vid.width*vid.bpp*yoffset, screens[0]+vid.width*vid.bpp*yoffset, vid.width*vid.bpp, height, vid.width*vid.bpp, vid.width); } #endif } // V_Init // old software stuff, buffers are allocated at video mode setup // here we set the screens[x] pointers accordingly // WARNING: called at runtime (don't init cvar here) void V_Init(void) { INT32 i; UINT8 *base = vid.buffer; const INT32 screensize = vid.rowbytes * vid.height; LoadMapPalette(); // hardware modes do not use screens[] pointers for (i = 0; i < NUMSCREENS; i++) screens[i] = NULL; if (rendermode != render_soft) { return; // be sure to cause a NULL read/write error so we detect it, in case of.. } // start address of NUMSCREENS * width*height vidbuffers if (base) { for (i = 0; i < NUMSCREENS; i++) screens[i] = base + i*screensize; } if (vid.direct) screens[0] = vid.direct; #ifdef DEBUG CONS_Debug(DBG_RENDER, "V_Init done:\n"); for (i = 0; i < NUMSCREENS+1; i++) CONS_Debug(DBG_RENDER, " screens[%d] = %x\n", i, screens[i]); #endif }