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_alias.c: routines for setting up to draw alias models 219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "quakedef.h" 239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "r_local.h" 249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "d_local.h" // FIXME: shouldn't be needed (is needed for patch 259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // right now, but that should move) 269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#define LIGHT_MIN 5 // lowest light value we'll allow, to avoid the 289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // need for inner-loop light clamping 299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreammtriangle_t *ptriangles; 319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamaffinetridesc_t r_affinetridesc; 329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid * acolormap; // FIXME: should go away 349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamtrivertx_t *r_apverts; 369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// TODO: these probably will go away with optimized rasterization 389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreammdl_t *pmdl; 399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvec3_t r_plightvec; 409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint r_ambientlight; 419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamfloat r_shadelight; 429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamaliashdr_t *paliashdr; 439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamfinalvert_t *pfinalverts; 449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamauxvert_t *pauxverts; 459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic float ziscale; 469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic model_t *pmodel; 479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic vec3_t alias_forward, alias_right, alias_up; 499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic maliasskindesc_t *pskindesc; 519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint r_amodels_drawn; 539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint a_skinwidth; 549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint r_anumverts; 559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamfloat aliastransform[3][4]; 579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamtypedef struct { 599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int index0; 609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int index1; 619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} aedge_t; 629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic aedge_t aedges[12] = { 649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{0, 1}, {1, 2}, {2, 3}, {3, 0}, 659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{4, 5}, {5, 6}, {6, 7}, {7, 4}, 669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{0, 5}, {1, 4}, {2, 7}, {3, 6} 679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream}; 689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#define NUMVERTEXNORMALS 162 709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamfloat r_avertexnormals[NUMVERTEXNORMALS][3] = { 729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "anorms.h" 739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream}; 749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasTransformAndProjectFinalVerts (finalvert_t *fv, 769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream stvert_t *pstverts); 779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasSetUpTransform (int trivial_accept); 789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasTransformVector (vec3_t in, vec3_t out); 799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasTransformFinalVert (finalvert_t *fv, auxvert_t *av, 809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream trivertx_t *pverts, stvert_t *pstverts); 819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasProjectFinalVert (finalvert_t *fv, auxvert_t *av); 829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasCheckBBox 879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamqboolean R_AliasCheckBBox (void) 909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i, flags, frame, numv; 929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliashdr_t *pahdr; 939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream float zi, basepts[8][3], v0, v1, frac; 949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream finalvert_t *pv0, *pv1, viewpts[16]; 959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream auxvert_t *pa0, *pa1, viewaux[16]; 969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream maliasframedesc_t *pframedesc; 979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream qboolean zclipped, zfullyclipped; 989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream unsigned anyclip, allclip; 999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int minz; 1009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// expand, rotate, and translate points into worldspace 1029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream currententity->trivial_accept = 0; 1049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pmodel = currententity->model; 1059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pahdr = Mod_Extradata (pmodel); 1069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pmdl = (mdl_t *)((byte *)pahdr + pahdr->model); 1079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasSetUpTransform (0); 1099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// construct the base bounding box for this frame 1119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream frame = currententity->frame; 1129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// TODO: don't repeat this check when drawing? 1139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ((frame >= pmdl->numframes) || (frame < 0)) 1149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_DPrintf ("No such frame %d %s\n", frame, 1169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pmodel->name); 1179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream frame = 0; 1189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pframedesc = &pahdr->frames[frame]; 1219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// x worldspace coordinates 1239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream basepts[0][0] = basepts[1][0] = basepts[2][0] = basepts[3][0] = 1249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (float)pframedesc->bboxmin.v[0]; 1259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream basepts[4][0] = basepts[5][0] = basepts[6][0] = basepts[7][0] = 1269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (float)pframedesc->bboxmax.v[0]; 1279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// y worldspace coordinates 1299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream basepts[0][1] = basepts[3][1] = basepts[5][1] = basepts[6][1] = 1309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (float)pframedesc->bboxmin.v[1]; 1319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream basepts[1][1] = basepts[2][1] = basepts[4][1] = basepts[7][1] = 1329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (float)pframedesc->bboxmax.v[1]; 1339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// z worldspace coordinates 1359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream basepts[0][2] = basepts[1][2] = basepts[4][2] = basepts[5][2] = 1369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (float)pframedesc->bboxmin.v[2]; 1379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream basepts[2][2] = basepts[3][2] = basepts[6][2] = basepts[7][2] = 1389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (float)pframedesc->bboxmax.v[2]; 1399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream zclipped = false; 1419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream zfullyclipped = true; 1429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream minz = 9999; 1449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0; i<8 ; i++) 1459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasTransformVector (&basepts[i][0], &viewaux[i].fv[0]); 1479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (viewaux[i].fv[2] < ALIAS_Z_CLIP_PLANE) 1499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // we must clip points that are closer than the near clip plane 1519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream viewpts[i].flags = ALIAS_Z_CLIP; 1529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream zclipped = true; 1539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 1559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (viewaux[i].fv[2] < minz) 1579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream minz = viewaux[i].fv[2]; 1589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream viewpts[i].flags = 0; 1599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream zfullyclipped = false; 1609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (zfullyclipped) 1659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return false; // everything was near-z-clipped 1679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream numv = 8; 1709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (zclipped) 1729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // organize points by edges, use edges to get new points (possible trivial 1749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // reject) 1759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<12 ; i++) 1769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // edge endpoints 1789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pv0 = &viewpts[aedges[i].index0]; 1799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pv1 = &viewpts[aedges[i].index1]; 1809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pa0 = &viewaux[aedges[i].index0]; 1819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pa1 = &viewaux[aedges[i].index1]; 1829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // if one end is clipped and the other isn't, make a new point 1849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (pv0->flags ^ pv1->flags) 1859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream frac = (ALIAS_Z_CLIP_PLANE - pa0->fv[2]) / 1879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (pa1->fv[2] - pa0->fv[2]); 1889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream viewaux[numv].fv[0] = pa0->fv[0] + 1899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (pa1->fv[0] - pa0->fv[0]) * frac; 1909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream viewaux[numv].fv[1] = pa0->fv[1] + 1919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (pa1->fv[1] - pa0->fv[1]) * frac; 1929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream viewaux[numv].fv[2] = ALIAS_Z_CLIP_PLANE; 1939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream viewpts[numv].flags = 0; 1949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream numv++; 1959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// project the vertices that remain after clipping 2009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream anyclip = 0; 2019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream allclip = ALIAS_XY_CLIP_MASK; 2029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// TODO: probably should do this loop in ASM, especially if we use floats 2049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<numv ; i++) 2059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // we don't need to bother with vertices that were z-clipped 2079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (viewpts[i].flags & ALIAS_Z_CLIP) 2089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream continue; 2099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream zi = 1.0 / viewaux[i].fv[2]; 2119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // FIXME: do with chop mode in ASM, or convert to float 2139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream v0 = (viewaux[i].fv[0] * xscale * zi) + xcenter; 2149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream v1 = (viewaux[i].fv[1] * yscale * zi) + ycenter; 2159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream flags = 0; 2179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (v0 < r_refdef.fvrectx) 2199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream flags |= ALIAS_LEFT_CLIP; 2209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (v1 < r_refdef.fvrecty) 2219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream flags |= ALIAS_TOP_CLIP; 2229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (v0 > r_refdef.fvrectright) 2239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream flags |= ALIAS_RIGHT_CLIP; 2249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (v1 > r_refdef.fvrectbottom) 2259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream flags |= ALIAS_BOTTOM_CLIP; 2269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream anyclip |= flags; 2289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream allclip &= flags; 2299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (allclip) 2329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return false; // trivial reject off one side 2339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream currententity->trivial_accept = !anyclip & !zclipped; 2359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (currententity->trivial_accept) 2379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (minz > (r_aliastransition + (pmdl->size * r_resfudge))) 2399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream currententity->trivial_accept |= 2; 2419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return true; 2459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 2499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 2509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasTransformVector 2519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 2529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 2539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasTransformVector (vec3_t in, vec3_t out) 2549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream out[0] = DotProduct(in, aliastransform[0]) + aliastransform[0][3]; 2569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream out[1] = DotProduct(in, aliastransform[1]) + aliastransform[1][3]; 2579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream out[2] = DotProduct(in, aliastransform[2]) + aliastransform[2][3]; 2589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 2629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 2639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasPreparePoints 2649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamGeneral clipped case 2669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 2679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 2689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasPreparePoints (void) 2699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i; 2719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream stvert_t *pstverts; 2729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream finalvert_t *fv; 2739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream auxvert_t *av; 2749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream mtriangle_t *ptri; 2759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream finalvert_t *pfv[3]; 2769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pstverts = (stvert_t *)((byte *)paliashdr + paliashdr->stverts); 2789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_anumverts = pmdl->numverts; 2799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv = pfinalverts; 2809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream av = pauxverts; 2819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<r_anumverts ; i++, fv++, av++, r_apverts++, pstverts++) 2839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasTransformFinalVert (fv, av, r_apverts, pstverts); 2859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (av->fv[2] < ALIAS_Z_CLIP_PLANE) 2869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->flags |= ALIAS_Z_CLIP; 2879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 2889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasProjectFinalVert (fv, av); 2909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (fv->v[0] < r_refdef.aliasvrect.x) 2929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->flags |= ALIAS_LEFT_CLIP; 2939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (fv->v[1] < r_refdef.aliasvrect.y) 2949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->flags |= ALIAS_TOP_CLIP; 2959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (fv->v[0] > r_refdef.aliasvrectright) 2969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->flags |= ALIAS_RIGHT_CLIP; 2979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (fv->v[1] > r_refdef.aliasvrectbottom) 2989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->flags |= ALIAS_BOTTOM_CLIP; 2999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// 3039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// clip and draw all triangles 3049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// 3059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.numtriangles = 1; 3069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ptri = (mtriangle_t *)((byte *)paliashdr + paliashdr->triangles); 3089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<pmdl->numtris ; i++, ptri++) 3099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pfv[0] = &pfinalverts[ptri->vertindex[0]]; 3119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pfv[1] = &pfinalverts[ptri->vertindex[1]]; 3129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pfv[2] = &pfinalverts[ptri->vertindex[2]]; 3139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ( pfv[0]->flags & pfv[1]->flags & pfv[2]->flags & (ALIAS_XY_CLIP_MASK | ALIAS_Z_CLIP) ) 3159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream continue; // completely clipped 3169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ( ! ( (pfv[0]->flags | pfv[1]->flags | pfv[2]->flags) & 3189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (ALIAS_XY_CLIP_MASK | ALIAS_Z_CLIP) ) ) 3199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { // totally unclipped 3209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.pfinalverts = pfinalverts; 3219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.ptriangles = ptri; 3229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream D_PolysetDraw (); 3239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 3259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { // partially clipped 3269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasClipTriangle (ptri); 3279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 3309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 3339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 3349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasSetUpTransform 3359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 3369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 3379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasSetUpTransform (int trivial_accept) 3389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 3399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i; 3409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream float rotationmatrix[3][4], t2matrix[3][4]; 3419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream static float tmatrix[3][4]; 3429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream static float viewmatrix[3][4]; 3439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream vec3_t angles; 3449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// TODO: should really be stored with the entity instead of being reconstructed 3469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// TODO: should use a look-up table 3479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// TODO: could cache lazily, stored in the entity 3489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream angles[ROLL] = currententity->angles[ROLL]; 3509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream angles[PITCH] = -currententity->angles[PITCH]; 3519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream angles[YAW] = currententity->angles[YAW]; 3529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream AngleVectors (angles, alias_forward, alias_right, alias_up); 3539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmatrix[0][0] = pmdl->scale[0]; 3559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmatrix[1][1] = pmdl->scale[1]; 3569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmatrix[2][2] = pmdl->scale[2]; 3579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmatrix[0][3] = pmdl->scale_origin[0]; 3599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmatrix[1][3] = pmdl->scale_origin[1]; 3609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmatrix[2][3] = pmdl->scale_origin[2]; 3619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// TODO: can do this with simple matrix rearrangement 3639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<3 ; i++) 3659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t2matrix[i][0] = alias_forward[i]; 3679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t2matrix[i][1] = -alias_right[i]; 3689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t2matrix[i][2] = alias_up[i]; 3699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 3709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t2matrix[0][3] = -modelorg[0]; 3729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t2matrix[1][3] = -modelorg[1]; 3739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream t2matrix[2][3] = -modelorg[2]; 3749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// FIXME: can do more efficiently than full concatenation 3769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_ConcatTransforms (t2matrix, tmatrix, rotationmatrix); 3779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// TODO: should be global, set when vright, etc., set 3799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream VectorCopy (vright, viewmatrix[0]); 3809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream VectorCopy (vup, viewmatrix[1]); 3819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream VectorInverse (viewmatrix[1]); 3829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream VectorCopy (vpn, viewmatrix[2]); 3839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// viewmatrix[0][3] = 0; 3859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// viewmatrix[1][3] = 0; 3869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// viewmatrix[2][3] = 0; 3879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_ConcatTransforms (viewmatrix, rotationmatrix, aliastransform); 3899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 3909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// do the scaling up of x and y to screen coordinates as part of the transform 3919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// for the unclipped case (it would mess up clipping in the clipped case). 3929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// Also scale down z, so 1/z is scaled 31 bits for free, and scale down x and y 3939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// correspondingly so the projected x and y come out right 3949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// FIXME: make this work for clipped case too? 3959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (trivial_accept) 3969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<4 ; i++) 3989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 3999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliastransform[0][i] *= aliasxscale * 4009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (1.0 / ((float)0x8000 * 0x10000)); 4019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliastransform[1][i] *= aliasyscale * 4029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (1.0 / ((float)0x8000 * 0x10000)); 4039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliastransform[2][i] *= 1.0 / ((float)0x8000 * 0x10000); 4049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 4069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 4079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 4089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 4119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 4129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasTransformFinalVert 4139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 4149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 4159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasTransformFinalVert (finalvert_t *fv, auxvert_t *av, 4169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream trivertx_t *pverts, stvert_t *pstverts) 4179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 4189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int temp; 4199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream float lightcos, *plightnormal; 4209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream av->fv[0] = DotProduct(pverts->v, aliastransform[0]) + 4229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliastransform[0][3]; 4239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream av->fv[1] = DotProduct(pverts->v, aliastransform[1]) + 4249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliastransform[1][3]; 4259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream av->fv[2] = DotProduct(pverts->v, aliastransform[2]) + 4269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliastransform[2][3]; 4279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[2] = pstverts->s; 4299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[3] = pstverts->t; 4309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->flags = pstverts->onseam; 4329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// lighting 4349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream plightnormal = r_avertexnormals[pverts->lightnormalindex]; 4359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightcos = DotProduct (plightnormal, r_plightvec); 4369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream temp = r_ambientlight; 4379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (lightcos < 0) 4399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 4409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream temp += (int)(r_shadelight * lightcos); 4419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // clamp; because we limited the minimum ambient and shading light, we 4439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // don't have to clamp low light, just bright 4449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (temp < 0) 4459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream temp = 0; 4469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 4479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[4] = temp; 4499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 4509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#if !id386 4539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 4559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 4569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasTransformAndProjectFinalVerts 4579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 4589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 4599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasTransformAndProjectFinalVerts (finalvert_t *fv, stvert_t *pstverts) 4609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 4619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i, temp; 4629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream float lightcos, *plightnormal, zi; 4639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream trivertx_t *pverts; 4649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pverts = r_apverts; 4669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<r_anumverts ; i++, fv++, pverts++, pstverts++) 4689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 4699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // transform and project 4709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream zi = 1.0 / (DotProduct(pverts->v, aliastransform[2]) + 4719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliastransform[2][3]); 4729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // x, y, and z are scaled down by 1/2**31 in the transform, so 1/z is 4749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // scaled up by 1/2**31, and the scaling cancels out for x and y in the 4759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // projection 4769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[5] = zi; 4779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[0] = ((DotProduct(pverts->v, aliastransform[0]) + 4799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliastransform[0][3]) * zi) + aliasxcenter; 4809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[1] = ((DotProduct(pverts->v, aliastransform[1]) + 4819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream aliastransform[1][3]) * zi) + aliasycenter; 4829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[2] = pstverts->s; 4849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[3] = pstverts->t; 4859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->flags = pstverts->onseam; 4869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // lighting 4889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream plightnormal = r_avertexnormals[pverts->lightnormalindex]; 4899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream lightcos = DotProduct (plightnormal, r_plightvec); 4909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream temp = r_ambientlight; 4919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (lightcos < 0) 4939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 4949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream temp += (int)(r_shadelight * lightcos); 4959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 4969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // clamp; because we limited the minimum ambient and shading light, we 4979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // don't have to clamp low light, just bright 4989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (temp < 0) 4999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream temp = 0; 5009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 5019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[4] = temp; 5039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 5049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 5059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#endif 5079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 5109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 5119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasProjectFinalVert 5129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 5139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 5149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasProjectFinalVert (finalvert_t *fv, auxvert_t *av) 5159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 5169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream float zi; 5179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// project points 5199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream zi = 1.0 / av->fv[2]; 5209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[5] = zi * ziscale; 5229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[0] = (av->fv[0] * aliasxscale * zi) + aliasxcenter; 5249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv->v[1] = (av->fv[1] * aliasyscale * zi) + aliasycenter; 5259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 5269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 5299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 5309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasPrepareUnclippedPoints 5319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 5329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 5339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasPrepareUnclippedPoints (void) 5349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 5359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream stvert_t *pstverts; 5369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream finalvert_t *fv; 5379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pstverts = (stvert_t *)((byte *)paliashdr + paliashdr->stverts); 5399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_anumverts = pmdl->numverts; 5409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// FIXME: just use pfinalverts directly? 5419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fv = pfinalverts; 5429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasTransformAndProjectFinalVerts (fv, pstverts); 5449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (r_affinetridesc.drawtype) 5469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream D_PolysetDrawFinalVerts (fv, r_anumverts); 5479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.pfinalverts = pfinalverts; 5499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.ptriangles = (mtriangle_t *) 5509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((byte *)paliashdr + paliashdr->triangles); 5519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.numtriangles = pmdl->numtris; 5529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream D_PolysetDraw (); 5549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 5559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 5579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 5589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasSetupSkin 5599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 5609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 5619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasSetupSkin (void) 5629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 5639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int skinnum; 5649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i, numskins; 5659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream maliasskingroup_t *paliasskingroup; 5669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream float *pskinintervals, fullskininterval; 5679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream float skintargettime, skintime; 5689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream skinnum = currententity->skinnum; 5709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ((skinnum >= pmdl->numskins) || (skinnum < 0)) 5719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 5729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_DPrintf ("R_AliasSetupSkin: no such skin # %d\n", skinnum); 5739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream skinnum = 0; 5749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 5759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pskindesc = ((maliasskindesc_t *) 5779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((byte *)paliashdr + paliashdr->skindesc)) + skinnum; 5789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream a_skinwidth = pmdl->skinwidth; 5799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (pskindesc->type == ALIAS_SKIN_GROUP) 5819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 5829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream paliasskingroup = (maliasskingroup_t *)((byte *)paliashdr + 5839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pskindesc->skin); 5849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pskinintervals = (float *) 5859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((byte *)paliashdr + paliasskingroup->intervals); 5869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream numskins = paliasskingroup->numskins; 5879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fullskininterval = pskinintervals[numskins-1]; 5889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream skintime = cl.time + currententity->syncbase; 5909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // when loading in Mod_LoadAliasSkinGroup, we guaranteed all interval 5929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream // values are positive, so we don't have to worry about division by 0 5939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream skintargettime = skintime - 5949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((int)(skintime / fullskininterval)) * fullskininterval; 5959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 5969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<(numskins-1) ; i++) 5979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 5989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (pskinintervals[i] > skintargettime) 5999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream break; 6009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pskindesc = &paliasskingroup->skindescs[i]; 6039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.pskindesc = pskindesc; 6069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.pskin = (void *)((byte *)paliashdr + pskindesc->skin); 6079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.skinwidth = a_skinwidth; 6089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.seamfixupX16 = (a_skinwidth >> 1) << 16; 6099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.skinheight = pmdl->skinheight; 6109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (currententity->scoreboard) 6129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream byte *base; 6149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!currententity->scoreboard->skin) 6169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Skin_Find (currententity->scoreboard); 6179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream base = Skin_Cache (currententity->scoreboard->skin); 6189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (base) 6199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.pskin = base; 6219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.skinwidth = 320; 6229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.skinheight = 200; 6239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 6269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 6289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 6299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasSetupLighting 6309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 6319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 6329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasSetupLighting (alight_t *plighting) 6339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 6349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// guarantee that no vertex will ever be lit below LIGHT_MIN, so we don't have 6369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// to clamp off the bottom 6379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_ambientlight = plighting->ambientlight; 6389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (r_ambientlight < LIGHT_MIN) 6409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_ambientlight = LIGHT_MIN; 6419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_ambientlight = (255 - r_ambientlight) << VID_CBITS; 6439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (r_ambientlight < LIGHT_MIN) 6459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_ambientlight = LIGHT_MIN; 6469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_shadelight = plighting->shadelight; 6489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (r_shadelight < 0) 6509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_shadelight = 0; 6519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_shadelight *= VID_GRADES; 6539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// rotate the lighting vector into the model's frame of reference 6559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_plightvec[0] = DotProduct (plighting->plightvec, alias_forward); 6569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_plightvec[1] = -DotProduct (plighting->plightvec, alias_right); 6579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_plightvec[2] = DotProduct (plighting->plightvec, alias_up); 6589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 6599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 6619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================= 6629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasSetupFrame 6639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamset r_apverts 6659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================= 6669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 6679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasSetupFrame (void) 6689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 6699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int frame; 6709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i, numframes; 6719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream maliasgroup_t *paliasgroup; 6729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream float *pintervals, fullinterval, targettime, time; 6739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream frame = currententity->frame; 6759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if ((frame >= pmdl->numframes) || (frame < 0)) 6769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_DPrintf ("R_AliasSetupFrame: no such frame %d\n", frame); 6789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream frame = 0; 6799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (paliashdr->frames[frame].type == ALIAS_SINGLE) 6829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 6839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_apverts = (trivertx_t *) 6849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((byte *)paliashdr + paliashdr->frames[frame].frame); 6859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return; 6869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 6879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream paliasgroup = (maliasgroup_t *) 6899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((byte *)paliashdr + paliashdr->frames[frame].frame); 6909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pintervals = (float *)((byte *)paliashdr + paliasgroup->intervals); 6919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream numframes = paliasgroup->numframes; 6929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream fullinterval = pintervals[numframes-1]; 6939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream time = cl.time + currententity->syncbase; 6959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 6969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// 6979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// when loading in Mod_LoadAliasGroup, we guaranteed all interval values 6989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// are positive, so we don't have to worry about division by 0 6999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// 7009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream targettime = time - ((int)(time / fullinterval)) * fullinterval; 7019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<(numframes-1) ; i++) 7039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 7049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (pintervals[i] > targettime) 7059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream break; 7069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 7079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_apverts = (trivertx_t *) 7099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((byte *)paliashdr + paliasgroup->frames[i].frame); 7109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 7119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 7149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 7159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamR_AliasDrawModel 7169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream================ 7179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 7189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid R_AliasDrawModel (alight_t *plighting) 7199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 7209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream finalvert_t finalverts[MAXALIASVERTS + 7219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ((CACHE_SIZE - 1) / sizeof(finalvert_t)) + 1]; 7229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream auxvert_t auxverts[MAXALIASVERTS]; 7239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_amodels_drawn++; 7259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// cache align 7279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pfinalverts = (finalvert_t *) 7289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream (((long)&finalverts[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1)); 7299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pauxverts = &auxverts[0]; 7309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream paliashdr = (aliashdr_t *)Mod_Extradata (currententity->model); 7329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream pmdl = (mdl_t *)((byte *)paliashdr + paliashdr->model); 7339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasSetupSkin (); 7359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasSetUpTransform (currententity->trivial_accept); 7369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasSetupLighting (plighting); 7379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasSetupFrame (); 7389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!currententity->colormap) 7409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Sys_Error ("R_AliasDrawModel: !currententity->colormap"); 7419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_affinetridesc.drawtype = (currententity->trivial_accept == 3) && 7439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream r_recursiveaffinetriangles; 7449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (r_affinetridesc.drawtype) 7469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 7479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream D_PolysetUpdateTables (); // FIXME: precalc... 7489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 7499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 7509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 7519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#if id386 7529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream D_Aff8Patch (currententity->colormap); 7539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#endif 7549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 7559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream acolormap = currententity->colormap; 7579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (currententity != &cl.viewent) 7599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ziscale = (float)0x8000 * (float)0x10000; 7609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 7619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ziscale = (float)0x8000 * (float)0x10000 * 3.0; 7629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 7639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (currententity->trivial_accept) 7649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasPrepareUnclippedPoints (); 7659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 7669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream R_AliasPreparePoints (); 7679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 7689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 769