19fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 29fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamCopyright (C) 1996-1997 Id Software, Inc. 39fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 49fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamThis program is free software; you can redistribute it and/or 59fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreammodify it under the terms of the GNU General Public License 69fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamas published by the Free Software Foundation; either version 2 79fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamof the License, or (at your option) any later version. 89fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 99fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamThis program is distributed in the hope that it will be useful, 109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreambut WITHOUT ANY WARRANTY; without even the implied warranty of 119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamSee the GNU General Public License for more details. 149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamYou should have received a copy of the GNU General Public License 169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamalong with this program; if not, write to the Free Software 179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamFoundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// r_surf.c: surface-related refresh code 219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "quakedef.h" 239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "r_local.h" 249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamdrawsurf_t r_drawsurf; 269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint lightleft, sourcesstep, blocksize, sourcetstep; 289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint lightdelta, lightdeltastep; 299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint lightright, lightleftstep, lightrightstep, blockdivshift; 309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamunsigned blockdivmask; 319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid *prowdestbase; 329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamunsigned char *pbasesource; 339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint surfrowbytes; // used by ASM files 349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamunsigned *r_lightptr; 359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint r_stepback; 369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint r_lightwidth; 379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint r_numhblocks, r_numvblocks; 389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamunsigned char *r_source, *r_sourcemax; 399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurfaceBlock8_mip0 (void); 419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurfaceBlock8_mip1 (void); 429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurfaceBlock8_mip2 (void); 439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurfaceBlock8_mip3 (void); 449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic void (*surfmiptable[4])(void) = { 469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_DrawSurfaceBlock8_mip0, 479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_DrawSurfaceBlock8_mip1, 489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_DrawSurfaceBlock8_mip2, 499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_DrawSurfaceBlock8_mip3 509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream}; 519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamunsigned blocklights[18*18]; 559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AddDynamicLights 599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AddDynamicLights (void) 629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream msurface_t *surf; 649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int lnum; 659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int sd, td; 669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream float dist, rad, minlight; 679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream vec3_t impact, local; 689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int s, t; 699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i; 709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int smax, tmax; 719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream mtexinfo_t *tex; 729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream surf = r_drawsurf.surf; 749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream smax = (surf->extents[0]>>4)+1; 759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmax = (surf->extents[1]>>4)+1; 769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tex = surf->texinfo; 779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (lnum=0 ; lnum<MAX_DLIGHTS ; lnum++) 799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ( !(surf->dlightbits & (1<<lnum) ) ) 819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream continue; // not lit by this light 829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rad = cl_dlights[lnum].radius; 849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream dist = DotProduct (cl_dlights[lnum].origin, surf->plane->normal) - 859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream surf->plane->dist; 869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rad -= fabs(dist); 879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream minlight = cl_dlights[lnum].minlight; 889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (rad < minlight) 899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream continue; 909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream minlight = rad - minlight; 919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<3 ; i++) 939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream impact[i] = cl_dlights[lnum].origin[i] - 959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream surf->plane->normal[i]*dist; 969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream local[0] = DotProduct (impact, tex->vecs[0]) + tex->vecs[0][3]; 999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream local[1] = DotProduct (impact, tex->vecs[1]) + tex->vecs[1][3]; 1009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream local[0] -= surf->texturemins[0]; 1029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream local[1] -= surf->texturemins[1]; 1039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (t = 0 ; t<tmax ; t++) 1059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream td = local[1] - t*16; 1079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (td < 0) 1089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream td = -td; 1099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (s=0 ; s<smax ; s++) 1109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream sd = local[0] - s*16; 1129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (sd < 0) 1139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream sd = -sd; 1149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (sd > td) 1159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream dist = sd + (td>>1); 1169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 1179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream dist = td + (sd>>1); 1189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (dist < minlight) 1199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#ifdef QUAKE2 1209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned temp; 1229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream temp = (rad - dist)*256; 1239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream i = t*smax + s; 1249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!cl_dlights[lnum].dark) 1259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blocklights[i] += temp; 1269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 1279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (blocklights[i] > temp) 1299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blocklights[i] -= temp; 1309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 1319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blocklights[i] = 0; 1329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#else 1359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blocklights[t*smax + s] += (rad - dist)*256; 1369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#endif 1379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 1419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 1439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 1449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_BuildLightMap 1459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamCombine and scale multiple lightmaps into the 8.8 format in blocklights 1479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 1489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 1499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_BuildLightMap (void) 1509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 1519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int smax, tmax; 1529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int t; 1539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i, size; 1549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream byte *lightmap; 1559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned scale; 1569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int maps; 1579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream msurface_t *surf; 1589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream surf = r_drawsurf.surf; 1609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream smax = (surf->extents[0]>>4)+1; 1629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmax = (surf->extents[1]>>4)+1; 1639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream size = smax*tmax; 1649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightmap = surf->samples; 1659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (r_fullbright.value || !cl.worldmodel->lightdata) 1679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<size ; i++) 1699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blocklights[i] = 0; 1709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return; 1719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// clear to ambient 1749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<size ; i++) 1759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blocklights[i] = r_refdef.ambientlight<<8; 1769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// add all the lightmaps 1799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (lightmap) 1809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ; 1819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream maps++) 1829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream scale = r_drawsurf.lightadj[maps]; // 8.8 fraction 1849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<size ; i++) 1859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blocklights[i] += lightmap[i] * scale; 1869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightmap += size; // skip to next lightmap 1879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// add all the dynamic lights 1909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (surf->dlightframe == r_framecount) 1919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AddDynamicLights (); 1929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// bound, invert, and shift 1949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<size ; i++) 1959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t = (255*256 - (int)blocklights[i]) >> (8 - VID_CBITS); 1979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (t < (1 << 6)) 1999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t = (1 << 6); 2009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blocklights[i] = t; 2029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 2079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 2089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_TextureAnimation 2099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamReturns the proper texture for a given time and base texture 2119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 2129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 2139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamtexture_t *R_TextureAnimation (texture_t *base) 2149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int reletive; 2169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int count; 2179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (currententity->frame) 2199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (base->alternate_anims) 2219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream base = base->alternate_anims; 2229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!base->anim_total) 2259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return base; 2269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream reletive = (int)(cl.time*10) % base->anim_total; 2289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream count = 0; 2309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream while (base->anim_min > reletive || base->anim_max <= reletive) 2319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream base = base->anim_next; 2339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!base) 2349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Sys_Error ("R_TextureAnimation: broken cycle"); 2359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (++count > 100) 2369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Sys_Error ("R_TextureAnimation: infinite cycle"); 2379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return base; 2409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 2449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 2459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_DrawSurface 2469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 2479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 2489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurface (void) 2499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned char *basetptr; 2519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int smax, tmax, twidth; 2529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int u; 2539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int soffset, basetoffset, texwidth; 2549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int horzblockstep; 2559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned char *pcolumndest; 2569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream void (*pblockdrawer)(void); 2579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream texture_t *mt; 2589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// calculate the lightings 2609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_BuildLightMap (); 2619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream surfrowbytes = r_drawsurf.rowbytes; 2639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream mt = r_drawsurf.texture; 2659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_source = (byte *)mt + mt->offsets[r_drawsurf.surfmip]; 2679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// the fractional light values should range from 0 to (VID_GRADES - 1) << 16 2699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// from a source range of 0 - 255 2709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream texwidth = mt->width >> r_drawsurf.surfmip; 2729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blocksize = 16 >> r_drawsurf.surfmip; 2749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blockdivshift = 4 - r_drawsurf.surfmip; 2759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream blockdivmask = (1 << blockdivshift) - 1; 2769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_lightwidth = (r_drawsurf.surf->extents[0]>>4)+1; 2789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_numhblocks = r_drawsurf.surfwidth >> blockdivshift; 2809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_numvblocks = r_drawsurf.surfheight >> blockdivshift; 2819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================== 2839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (r_pixbytes == 1) 2859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pblockdrawer = surfmiptable[r_drawsurf.surfmip]; 2879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // TODO: only needs to be set when there is a display settings change 2889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream horzblockstep = blocksize; 2899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 2919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pblockdrawer = R_DrawSurfaceBlock16; 2939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // TODO: only needs to be set when there is a display settings change 2949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream horzblockstep = blocksize << 1; 2959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream smax = mt->width >> r_drawsurf.surfmip; 2989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream twidth = texwidth; 2999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmax = mt->height >> r_drawsurf.surfmip; 3009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream sourcetstep = texwidth; 3019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_stepback = tmax * twidth; 3029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_sourcemax = r_source + (tmax * smax); 3049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream soffset = r_drawsurf.surf->texturemins[0]; 3069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream basetoffset = r_drawsurf.surf->texturemins[1]; 3079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// << 16 components are to guarantee positive values for % 3099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream soffset = ((soffset >> r_drawsurf.surfmip) + (smax << 16)) % smax; 3109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream basetptr = &r_source[((((basetoffset >> r_drawsurf.surfmip) 3119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream + (tmax << 16)) % tmax) * twidth)]; 3129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pcolumndest = r_drawsurf.surfdat; 3149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (u=0 ; u<r_numhblocks; u++) 3169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_lightptr = blocklights + u; 3189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdestbase = pcolumndest; 3209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pbasesource = basetptr + soffset; 3229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (*pblockdrawer)(); 3249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream soffset = soffset + blocksize; 3269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (soffset >= smax) 3279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream soffset = 0; 3289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pcolumndest += horzblockstep; 3309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 3329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================= 3359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#if !id386 3379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 3399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 3409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_DrawSurfaceBlock8_mip0 3419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 3429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 3439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurfaceBlock8_mip0 (void) 3449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 3459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int v, i, b, lightstep, lighttemp, light; 3469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned char pix, *psource, *prowdest; 3479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource = pbasesource; 3499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest = prowdestbase; 3509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (v=0 ; v<r_numvblocks ; v++) 3529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // FIXME: make these locals? 3549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // FIXME: use delta rather than both right and left, like ASM? 3559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleft = r_lightptr[0]; 3569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightright = r_lightptr[1]; 3579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_lightptr += r_lightwidth; 3589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleftstep = (r_lightptr[0] - lightleft) >> 4; 3599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightrightstep = (r_lightptr[1] - lightright) >> 4; 3609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<16 ; i++) 3629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lighttemp = lightleft - lightright; 3649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightstep = lighttemp >> 4; 3659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light = lightright; 3679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (b=15; b>=0; b--) 3699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pix = psource[b]; 3719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest[b] = ((unsigned char *)vid.colormap) 3729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream [(light & 0xFF00) + pix]; 3739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light += lightstep; 3749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource += sourcetstep; 3779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightright += lightrightstep; 3789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleft += lightleftstep; 3799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest += surfrowbytes; 3809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (psource >= r_sourcemax) 3839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource -= r_stepback; 3849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 3869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 3899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 3909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_DrawSurfaceBlock8_mip1 3919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 3929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 3939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurfaceBlock8_mip1 (void) 3949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 3959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int v, i, b, lightstep, lighttemp, light; 3969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned char pix, *psource, *prowdest; 3979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource = pbasesource; 3999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest = prowdestbase; 4009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (v=0 ; v<r_numvblocks ; v++) 4029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 4039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // FIXME: make these locals? 4049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // FIXME: use delta rather than both right and left, like ASM? 4059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleft = r_lightptr[0]; 4069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightright = r_lightptr[1]; 4079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_lightptr += r_lightwidth; 4089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleftstep = (r_lightptr[0] - lightleft) >> 3; 4099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightrightstep = (r_lightptr[1] - lightright) >> 3; 4109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<8 ; i++) 4129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 4139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lighttemp = lightleft - lightright; 4149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightstep = lighttemp >> 3; 4159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light = lightright; 4179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (b=7; b>=0; b--) 4199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 4209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pix = psource[b]; 4219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest[b] = ((unsigned char *)vid.colormap) 4229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream [(light & 0xFF00) + pix]; 4239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light += lightstep; 4249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 4259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource += sourcetstep; 4279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightright += lightrightstep; 4289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleft += lightleftstep; 4299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest += surfrowbytes; 4309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 4319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (psource >= r_sourcemax) 4339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource -= r_stepback; 4349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 4359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 4369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 4399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 4409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_DrawSurfaceBlock8_mip2 4419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 4429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 4439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurfaceBlock8_mip2 (void) 4449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 4459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int v, i, b, lightstep, lighttemp, light; 4469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned char pix, *psource, *prowdest; 4479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource = pbasesource; 4499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest = prowdestbase; 4509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (v=0 ; v<r_numvblocks ; v++) 4529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 4539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // FIXME: make these locals? 4549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // FIXME: use delta rather than both right and left, like ASM? 4559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleft = r_lightptr[0]; 4569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightright = r_lightptr[1]; 4579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_lightptr += r_lightwidth; 4589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleftstep = (r_lightptr[0] - lightleft) >> 2; 4599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightrightstep = (r_lightptr[1] - lightright) >> 2; 4609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<4 ; i++) 4629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 4639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lighttemp = lightleft - lightright; 4649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightstep = lighttemp >> 2; 4659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light = lightright; 4679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (b=3; b>=0; b--) 4699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 4709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pix = psource[b]; 4719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest[b] = ((unsigned char *)vid.colormap) 4729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream [(light & 0xFF00) + pix]; 4739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light += lightstep; 4749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 4759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource += sourcetstep; 4779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightright += lightrightstep; 4789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleft += lightleftstep; 4799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest += surfrowbytes; 4809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 4819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (psource >= r_sourcemax) 4839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource -= r_stepback; 4849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 4859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 4869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 4899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 4909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_DrawSurfaceBlock8_mip3 4919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 4929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 4939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurfaceBlock8_mip3 (void) 4949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 4959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int v, i, b, lightstep, lighttemp, light; 4969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned char pix, *psource, *prowdest; 4979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource = pbasesource; 4999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest = prowdestbase; 5009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (v=0 ; v<r_numvblocks ; v++) 5029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 5039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // FIXME: make these locals? 5049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // FIXME: use delta rather than both right and left, like ASM? 5059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleft = r_lightptr[0]; 5069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightright = r_lightptr[1]; 5079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_lightptr += r_lightwidth; 5089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleftstep = (r_lightptr[0] - lightleft) >> 1; 5099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightrightstep = (r_lightptr[1] - lightright) >> 1; 5109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<2 ; i++) 5129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 5139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lighttemp = lightleft - lightright; 5149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightstep = lighttemp >> 1; 5159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light = lightright; 5179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (b=1; b>=0; b--) 5199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 5209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pix = psource[b]; 5219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest[b] = ((unsigned char *)vid.colormap) 5229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream [(light & 0xFF00) + pix]; 5239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light += lightstep; 5249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 5259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource += sourcetstep; 5279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightright += lightrightstep; 5289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleft += lightleftstep; 5299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest += surfrowbytes; 5309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 5319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (psource >= r_sourcemax) 5339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource -= r_stepback; 5349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 5359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 5369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 5399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 5409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_DrawSurfaceBlock16 5419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamFIXME: make this work 5439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 5449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 5459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_DrawSurfaceBlock16 (void) 5469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 5479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int k; 5489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned char *psource; 5499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int lighttemp, lightstep, light; 5509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned short *prowdest; 5519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest = (unsigned short *)prowdestbase; 5539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (k=0 ; k<blocksize ; k++) 5559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 5569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned short *pdest; 5579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned char pix; 5589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int b; 5599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource = pbasesource; 5619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lighttemp = lightright - lightleft; 5629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightstep = lighttemp >> blockdivshift; 5639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light = lightleft; 5659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pdest = prowdest; 5669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (b=0; b<blocksize; b++) 5689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 5699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pix = *psource; 5709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream *pdest = vid.colormap16[(light & 0xFF00) + pix]; 5719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream psource += sourcesstep; 5729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pdest++; 5739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream light += lightstep; 5749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 5759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pbasesource += sourcetstep; 5779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightright += lightrightstep; 5789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightleft += lightleftstep; 5799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdest = (unsigned short *)((long)prowdest + surfrowbytes); 5809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 5819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream prowdestbase = prowdest; 5839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 5849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#endif 5869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream//============================================================================ 5899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 5919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 5929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_GenTurbTile 5939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 5949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 5959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_GenTurbTile (pixel_t *pbasetex, void *pdest) 5969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 5979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int *turb; 5989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i, j, s, t; 5999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream byte *pd; 6009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream turb = sintable + ((int)(cl.time*SPEED)&(CYCLE-1)); 6029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pd = (byte *)pdest; 6039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<TILE_SIZE ; i++) 6059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (j=0 ; j<TILE_SIZE ; j++) 6079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream s = (((j << 16) + turb[i & (CYCLE-1)]) >> 16) & 63; 6099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t = (((i << 16) + turb[j & (CYCLE-1)]) >> 16) & 63; 6109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream *pd++ = *(pbasetex + (t<<6) + s); 6119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 6149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 6179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 6189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_GenTurbTile16 6199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 6209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 6219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_GenTurbTile16 (pixel_t *pbasetex, void *pdest) 6229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 6239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int *turb; 6249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i, j, s, t; 6259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned short *pd; 6269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream turb = sintable + ((int)(cl.time*SPEED)&(CYCLE-1)); 6289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pd = (unsigned short *)pdest; 6299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<TILE_SIZE ; i++) 6319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (j=0 ; j<TILE_SIZE ; j++) 6339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream s = (((j << 16) + turb[i & (CYCLE-1)]) >> 16) & 63; 6359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t = (((i << 16) + turb[j & (CYCLE-1)]) >> 16) & 63; 6369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream *pd++ = d_8to16table[*(pbasetex + (t<<6) + s)]; 6379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 6409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 6439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 6449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_GenTile 6459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 6469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 6479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_GenTile (msurface_t *psurf, void *pdest) 6489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 6499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (psurf->flags & SURF_DRAWTURB) 6509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (r_pixbytes == 1) 6529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_GenTurbTile ((pixel_t *) 6549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((byte *)psurf->texinfo->texture + psurf->texinfo->texture->offsets[0]), pdest); 6559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 6579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_GenTurbTile16 ((pixel_t *) 6599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((byte *)psurf->texinfo->texture + psurf->texinfo->texture->offsets[0]), pdest); 6609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else if (psurf->flags & SURF_DRAWSKY) 6639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (r_pixbytes == 1) 6659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_GenSkyTile (pdest); 6679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 6699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_GenSkyTile16 (pdest); 6719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 6749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Sys_Error ("Unknown tile type"); 6769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 6789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 679