2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 static cvar_t r_mipskins = {CVAR_SAVE, "r_mipskins", "0"};
26 void Mod_AliasInit (void)
28 Cvar_RegisterVariable(&r_mipskins);
31 // LordHavoc: proper bounding box considerations
32 static float aliasbboxmin[3], aliasbboxmax[3], modelyawradius, modelradius;
34 static float vertst[MAXALIASVERTS][2];
35 static int vertusage[MAXALIASVERTS];
36 static int vertonseam[MAXALIASVERTS];
37 static int vertremap[MAXALIASVERTS];
38 static int temptris[MAXALIASTRIS][3];
40 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, aliasvertex_t *out)
45 for (i = 0;i < inverts;i++)
47 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
50 temp[0] = v[i].v[0] * scale[0] + translate[0];
51 temp[1] = v[i].v[1] * scale[1] + translate[1];
52 temp[2] = v[i].v[2] * scale[2] + translate[2];
53 // update bounding box
54 if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
55 if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
56 if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
57 if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
58 if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
59 if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
60 dist = temp[0]*temp[0]+temp[1]*temp[1];
61 if (modelyawradius < dist)
62 modelyawradius = dist;
63 dist += temp[2]*temp[2];
64 if (modelradius < dist)
67 j = vertremap[i]; // not onseam
69 VectorCopy(temp, out[j].origin);
70 j = vertremap[i+inverts]; // onseam
72 VectorCopy(temp, out[j].origin);
76 static void Mod_BuildAliasVertexTextureVectors(int numtriangles, const int *elements, int numverts, aliasvertex_t *vertices, const float *texcoords, float *vertexbuffer, float *svectorsbuffer, float *tvectorsbuffer, float *normalsbuffer)
79 for (i = 0;i < numverts;i++)
80 VectorCopy(vertices[i].origin, &vertexbuffer[i * 4]);
81 Mod_BuildTextureVectorsAndNormals(numverts, numtriangles, vertexbuffer, texcoords, elements, svectorsbuffer, tvectorsbuffer, normalsbuffer);
82 for (i = 0;i < numverts;i++)
84 // LordHavoc: alias models are backwards, apparently
85 vertices[i].normal[0] = normalsbuffer[i * 4 + 0];
86 vertices[i].normal[1] = normalsbuffer[i * 4 + 1];
87 vertices[i].normal[2] = normalsbuffer[i * 4 + 2];
88 vertices[i].svector[0] = svectorsbuffer[i * 4 + 0];
89 vertices[i].svector[1] = svectorsbuffer[i * 4 + 1];
90 vertices[i].svector[2] = svectorsbuffer[i * 4 + 2];
94 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate)
96 daliasframetype_t *pframetype;
97 daliasframe_t *pinframe;
99 daliasinterval_t *intervals;
100 int i, f, pose, groupframes;
103 float *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer;
105 scene = loadmodel->animscenes;
106 vertexbuffer = Mem_Alloc(tempmempool, loadmodel->numverts * sizeof(float[4]) * 4);
107 svectorsbuffer = vertexbuffer + loadmodel->numverts * 4;
108 tvectorsbuffer = svectorsbuffer + loadmodel->numverts * 4;
109 normalsbuffer = tvectorsbuffer + loadmodel->numverts * 4;
110 for (f = 0;f < loadmodel->numframes;f++)
112 pframetype = (daliasframetype_t *)datapointer;
113 datapointer += sizeof(daliasframetype_t);
114 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
116 // a single frame is still treated as a group
123 group = (daliasgroup_t *)datapointer;
124 datapointer += sizeof(daliasgroup_t);
125 groupframes = LittleLong (group->numframes);
127 // intervals (time per frame)
128 intervals = (daliasinterval_t *)datapointer;
129 datapointer += sizeof(daliasinterval_t) * groupframes;
131 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
132 if (interval < 0.01f)
133 Host_Error("Mod_LoadAliasGroup: invalid interval");
136 // get scene name from first frame
137 pinframe = (daliasframe_t *)datapointer;
139 strcpy(scene->name, pinframe->name);
140 scene->firstframe = pose;
141 scene->framecount = groupframes;
142 scene->framerate = 1.0f / interval;
147 for (i = 0;i < groupframes;i++)
149 pinframe = (daliasframe_t *)datapointer;
150 datapointer += sizeof(daliasframe_t);
151 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->mdlmd2data_pose + pose * loadmodel->numverts);
152 Mod_BuildAliasVertexTextureVectors(loadmodel->numtris, loadmodel->mdlmd2data_indices, loadmodel->numverts, loadmodel->mdlmd2data_pose + pose * loadmodel->numverts, loadmodel->mdlmd2data_texcoords, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer);
153 datapointer += sizeof(trivertx_t) * inverts;
157 Mem_Free(vertexbuffer);
160 static rtexture_t *GL_TextureForSkinLayer(const qbyte *in, int width, int height, const char *name, const unsigned int *palette, int precache)
163 for (i = 0;i < width*height;i++)
164 if (((qbyte *)&palette[in[i]])[3] > 0)
165 return R_LoadTexture2D (loadmodel->texturepool, name, width, height, in, TEXTYPE_PALETTE, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0), palette);
169 static int Mod_LoadExternalSkin (char *basename, skinframe_t *skinframe, int precache)
171 skinframe->base = loadtextureimagewithmaskandnmap(loadmodel->texturepool, va("%s_normal", basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
172 if (!skinframe->base)
173 skinframe->base = loadtextureimagewithmaskandnmap(loadmodel->texturepool, basename, 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
174 skinframe->fog = image_masktex;
175 skinframe->nmap = image_nmaptex;
176 skinframe->gloss = loadtextureimage(loadmodel->texturepool, va("%s_gloss" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
177 skinframe->pants = loadtextureimage(loadmodel->texturepool, va("%s_pants" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
178 skinframe->shirt = loadtextureimage(loadmodel->texturepool, va("%s_shirt" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
179 skinframe->glow = loadtextureimage(loadmodel->texturepool, va("%s_glow" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
180 skinframe->merged = NULL;
181 return skinframe->base != NULL || skinframe->pants != NULL || skinframe->shirt != NULL || skinframe->glow != NULL;
184 static int Mod_LoadInternalSkin (char *basename, qbyte *skindata, int width, int height, skinframe_t *skinframe, int precache)
186 qbyte *temp1, *temp2;
189 temp1 = Mem_Alloc(loadmodel->mempool, width * height * 8);
190 temp2 = temp1 + width * height * 4;
191 Image_Copy8bitRGBA(skindata, temp1, width * height, palette_nofullbrights);
192 Image_HeightmapToNormalmap(temp1, temp2, width, height, false, 1);
193 skinframe->nmap = R_LoadTexture2D(loadmodel->texturepool, va("%s_nmap", basename), width, height, temp2, TEXTYPE_RGBA, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0), NULL);
195 skinframe->gloss = NULL;
196 skinframe->pants = GL_TextureForSkinLayer(skindata, width, height, va("%s_pants", basename), palette_pantsaswhite, false); // pants
197 skinframe->shirt = GL_TextureForSkinLayer(skindata, width, height, va("%s_shirt", basename), palette_shirtaswhite, false); // shirt
198 skinframe->glow = GL_TextureForSkinLayer(skindata, width, height, va("%s_glow", basename), palette_onlyfullbrights, precache); // glow
199 if (skinframe->pants || skinframe->shirt)
201 skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_normal", basename), palette_nocolormapnofullbrights, false); // normal (no special colors)
202 skinframe->merged = GL_TextureForSkinLayer(skindata, width, height, va("%s_body", basename), palette_nofullbrights, precache); // body (normal + pants + shirt, but not glow)
205 skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_base", basename), palette_nofullbrights, precache); // no special colors
206 // quake model skins don't have alpha
207 skinframe->fog = NULL;
211 void Mod_BuildMDLMD2MeshInfo(void)
217 skinframe_t *skinframe;
219 loadmodel->mdlmd2data_triangleneighbors = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
220 Mod_ValidateElements(loadmodel->mdlmd2data_indices, loadmodel->numtris, loadmodel->numverts, __FILE__, __LINE__);
221 Mod_BuildTriangleNeighbors(loadmodel->mdlmd2data_triangleneighbors, loadmodel->mdlmd2data_indices, loadmodel->numtris);
223 loadmodel->mdlmd2num_meshes = 1;
224 mesh = loadmodel->mdlmd2data_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->mdlmd2num_meshes * sizeof(aliasmesh_t));
226 mesh->num_frames = 0;
227 for (i = 0;i < loadmodel->numframes;i++)
228 mesh->num_frames += loadmodel->animscenes[i].framecount;
229 for (i = 0;i < loadmodel->numskins;i++)
230 mesh->num_skins += loadmodel->skinscenes[i].framecount;
231 mesh->num_triangles = loadmodel->numtris;
232 mesh->num_vertices = loadmodel->numverts;
233 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
234 mesh->data_elements = loadmodel->mdlmd2data_indices;
235 mesh->data_neighbors = loadmodel->mdlmd2data_triangleneighbors;
236 mesh->data_texcoords = loadmodel->mdlmd2data_texcoords;
237 mesh->data_vertices = loadmodel->mdlmd2data_pose;
238 for (i = 0, skin = mesh->data_skins, skinframe = loadmodel->skinframes;i < mesh->num_skins;i++, skin++, skinframe++)
241 // fog texture only exists if some pixels are transparent...
242 if (skinframe->fog != NULL)
243 skin->flags |= ALIASSKIN_TRANSPARENT;
244 // fog and gloss layers always exist
245 skin->num_layers = 2;
246 if (skinframe->glow != NULL)
248 if (skinframe->merged != NULL)
249 skin->num_layers += 2;
250 if (skinframe->base != NULL)
251 skin->num_layers += 2;
252 if (skinframe->pants != NULL)
253 skin->num_layers += 2;
254 if (skinframe->shirt != NULL)
255 skin->num_layers += 2;
256 layer = skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
257 if (skinframe->glow != NULL)
260 layer->texture = skinframe->glow;
263 if (skinframe->merged != NULL)
265 layer->flags = ALIASLAYER_NODRAW_IF_COLORMAPPED | ALIASLAYER_DIFFUSE;
266 if (skinframe->glow != NULL)
267 layer->flags |= ALIASLAYER_ADD;
268 layer->texture = skinframe->merged;
269 layer->nmap = skinframe->nmap;
272 if (skinframe->base != NULL)
274 layer->flags = ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE;
275 if (skinframe->glow != NULL)
276 layer->flags |= ALIASLAYER_ADD;
277 layer->texture = skinframe->base;
278 layer->nmap = skinframe->nmap;
281 if (skinframe->pants != NULL)
283 layer->flags = ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_SHIRT;
284 if (skinframe->glow != NULL || skinframe->base != NULL)
285 layer->flags |= ALIASLAYER_ADD;
286 layer->texture = skinframe->pants;
287 layer->nmap = skinframe->nmap;
290 if (skinframe->shirt != NULL)
292 layer->flags = ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_SHIRT;
293 if (skinframe->glow != NULL || skinframe->base != NULL || skinframe->pants != NULL)
294 layer->flags |= ALIASLAYER_ADD;
295 layer->texture = skinframe->shirt;
296 layer->nmap = skinframe->nmap;
299 layer->flags = ALIASLAYER_FOG;
300 layer->texture = skinframe->fog;
302 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_SPECULAR;
303 layer->texture = skinframe->gloss;
304 layer->nmap = skinframe->nmap;
306 if (skinframe->merged != NULL)
308 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_COLORMAPPED | ALIASLAYER_DIFFUSE;
309 layer->texture = skinframe->merged;
310 layer->nmap = skinframe->nmap;
313 if (skinframe->base != NULL)
315 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE;
316 layer->texture = skinframe->base;
317 layer->nmap = skinframe->nmap;
320 if (skinframe->pants != NULL)
322 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_PANTS;
323 layer->texture = skinframe->pants;
324 layer->nmap = skinframe->nmap;
327 if (skinframe->shirt != NULL)
329 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_SHIRT;
330 layer->texture = skinframe->shirt;
331 layer->nmap = skinframe->nmap;
337 #define BOUNDI(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%d exceeds %d - %d)\n", loadmodel->name, VALUE, MIN, MAX);
338 #define BOUNDF(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%f exceeds %f - %f)\n", loadmodel->name, VALUE, MIN, MAX);
339 extern void R_Model_Alias_Draw(entity_render_t *ent);
340 extern void R_Model_Alias_DrawFakeShadow(entity_render_t *ent);
341 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
342 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor);
343 void Mod_LoadAliasModel (model_t *mod, void *buffer)
345 int i, j, version, numverts, totalposes, totalskins, skinwidth, skinheight, totalverts, groupframes, groupskins;
347 stvert_t *pinstverts;
348 dtriangle_t *pintriangles;
349 daliasskintype_t *pinskintype;
350 daliasskingroup_t *pinskingroup;
351 daliasskininterval_t *pinskinintervals;
352 daliasframetype_t *pinframetype;
353 daliasgroup_t *pinframegroup;
354 float scales, scalet, scale[3], translate[3], interval;
355 qbyte *datapointer, *startframes, *startskins;
356 char name[MAX_QPATH];
357 skinframe_t tempskinframe;
358 animscene_t *tempskinscenes;
359 skinframe_t *tempskinframes;
363 datapointer = buffer;
364 pinmodel = (mdl_t *)datapointer;
365 datapointer += sizeof(mdl_t);
367 version = LittleLong (pinmodel->version);
368 if (version != ALIAS_VERSION)
369 Host_Error ("%s has wrong version number (%i should be %i)",
370 loadmodel->name, version, ALIAS_VERSION);
372 loadmodel->type = mod_alias;
373 loadmodel->aliastype = ALIASTYPE_MDLMD2;
374 loadmodel->DrawSky = NULL;
375 loadmodel->Draw = R_Model_Alias_Draw;
376 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
377 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
378 loadmodel->DrawLight = R_Model_Alias_DrawLight;
380 loadmodel->numskins = LittleLong(pinmodel->numskins);
381 BOUNDI(loadmodel->numskins,0,256);
382 skinwidth = LittleLong (pinmodel->skinwidth);
383 BOUNDI(skinwidth,0,4096);
384 skinheight = LittleLong (pinmodel->skinheight);
385 BOUNDI(skinheight,0,4096);
386 loadmodel->numverts = numverts = LittleLong(pinmodel->numverts);
387 BOUNDI(loadmodel->numverts,0,MAXALIASVERTS);
388 loadmodel->numtris = LittleLong(pinmodel->numtris);
389 BOUNDI(loadmodel->numtris,0,MAXALIASTRIS);
390 loadmodel->numframes = LittleLong(pinmodel->numframes);
391 BOUNDI(loadmodel->numframes,0,65536);
392 loadmodel->synctype = LittleLong (pinmodel->synctype);
393 BOUNDI(loadmodel->synctype,0,2);
394 loadmodel->flags = LittleLong (pinmodel->flags);
396 for (i = 0;i < 3;i++)
398 scale[i] = LittleFloat (pinmodel->scale[i]);
399 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
402 startskins = datapointer;
404 for (i = 0;i < loadmodel->numskins;i++)
406 pinskintype = (daliasskintype_t *)datapointer;
407 datapointer += sizeof(daliasskintype_t);
408 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
412 pinskingroup = (daliasskingroup_t *)datapointer;
413 datapointer += sizeof(daliasskingroup_t);
414 groupskins = LittleLong(pinskingroup->numskins);
415 datapointer += sizeof(daliasskininterval_t) * groupskins;
418 for (j = 0;j < groupskins;j++)
420 datapointer += skinwidth * skinheight;
425 pinstverts = (stvert_t *)datapointer;
426 datapointer += sizeof(stvert_t) * numverts;
428 pintriangles = (dtriangle_t *)datapointer;
429 datapointer += sizeof(dtriangle_t) * loadmodel->numtris;
431 startframes = datapointer;
433 for (i = 0;i < loadmodel->numframes;i++)
435 pinframetype = (daliasframetype_t *)datapointer;
436 datapointer += sizeof(daliasframetype_t);
437 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
441 pinframegroup = (daliasgroup_t *)datapointer;
442 datapointer += sizeof(daliasgroup_t);
443 groupframes = LittleLong(pinframegroup->numframes);
444 datapointer += sizeof(daliasinterval_t) * groupframes;
447 for (j = 0;j < groupframes;j++)
449 datapointer += sizeof(daliasframe_t);
450 datapointer += sizeof(trivertx_t) * numverts;
456 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
457 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, totalskins * sizeof(skinframe_t));
459 datapointer = startskins;
460 for (i = 0;i < loadmodel->numskins;i++)
462 pinskintype = (daliasskintype_t *)datapointer;
463 datapointer += sizeof(daliasskintype_t);
465 if (pinskintype->type == ALIAS_SKIN_SINGLE)
472 pinskingroup = (daliasskingroup_t *)datapointer;
473 datapointer += sizeof(daliasskingroup_t);
475 groupskins = LittleLong (pinskingroup->numskins);
477 pinskinintervals = (daliasskininterval_t *)datapointer;
478 datapointer += sizeof(daliasskininterval_t) * groupskins;
480 interval = LittleFloat(pinskinintervals[0].interval);
481 if (interval < 0.01f)
482 Host_Error("Mod_LoadAliasModel: invalid interval\n");
485 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
486 loadmodel->skinscenes[i].firstframe = totalskins;
487 loadmodel->skinscenes[i].framecount = groupskins;
488 loadmodel->skinscenes[i].framerate = 1.0f / interval;
489 loadmodel->skinscenes[i].loop = true;
491 for (j = 0;j < groupskins;j++)
494 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
496 sprintf (name, "%s_%i", loadmodel->name, i);
497 if (!Mod_LoadExternalSkin(name, loadmodel->skinframes + totalskins, i == 0))
498 Mod_LoadInternalSkin(name, (qbyte *)datapointer, skinwidth, skinheight, loadmodel->skinframes + totalskins, i == 0);
499 datapointer += skinwidth * skinheight;
503 // check for skins that don't exist in the model, but do exist as external images
504 // (this was added because yummyluv kept pestering me about support for it)
507 sprintf (name, "%s_%i", loadmodel->name, loadmodel->numskins);
508 if (Mod_LoadExternalSkin(name, &tempskinframe, loadmodel->numskins == 0))
510 // expand the arrays to make room
511 tempskinscenes = loadmodel->skinscenes;
512 tempskinframes = loadmodel->skinframes;
513 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
514 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(skinframe_t));
515 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
516 memcpy(loadmodel->skinframes, tempskinframes, totalskins * sizeof(skinframe_t));
517 Mem_Free(tempskinscenes);
518 Mem_Free(tempskinframes);
519 // store the info about the new skin
520 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
521 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
522 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
523 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
524 loadmodel->skinscenes[loadmodel->numskins].loop = true;
525 loadmodel->skinframes[totalskins] = tempskinframe;
526 loadmodel->numskins++;
533 // store texture coordinates into temporary array, they will be stored after usage is determined (triangle data)
534 scales = 1.0 / skinwidth;
535 scalet = 1.0 / skinheight;
536 for (i = 0;i < numverts;i++)
538 vertonseam[i] = LittleLong(pinstverts[i].onseam);
539 vertst[i][0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
540 vertst[i][1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
541 vertst[i+numverts][0] = vertst[i][0] + 0.5;
542 vertst[i+numverts][1] = vertst[i][1];
544 vertusage[i+numverts] = 0;
547 // load triangle data
548 loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->numtris);
550 // count the vertices used
551 for (i = 0;i < numverts*2;i++)
553 for (i = 0;i < loadmodel->numtris;i++)
555 temptris[i][0] = LittleLong(pintriangles[i].vertindex[0]);
556 temptris[i][1] = LittleLong(pintriangles[i].vertindex[1]);
557 temptris[i][2] = LittleLong(pintriangles[i].vertindex[2]);
558 if (!LittleLong(pintriangles[i].facesfront)) // backface
560 if (vertonseam[temptris[i][0]]) temptris[i][0] += numverts;
561 if (vertonseam[temptris[i][1]]) temptris[i][1] += numverts;
562 if (vertonseam[temptris[i][2]]) temptris[i][2] += numverts;
564 vertusage[temptris[i][0]]++;
565 vertusage[temptris[i][1]]++;
566 vertusage[temptris[i][2]]++;
568 // build remapping table and compact array
570 for (i = 0;i < numverts*2;i++)
574 vertremap[i] = totalverts;
575 vertst[totalverts][0] = vertst[i][0];
576 vertst[totalverts][1] = vertst[i][1];
580 vertremap[i] = -1; // not used at all
582 loadmodel->numverts = totalverts;
583 // remap the triangle references
584 for (i = 0;i < loadmodel->numtris;i++)
586 loadmodel->mdlmd2data_indices[i*3+0] = vertremap[temptris[i][0]];
587 loadmodel->mdlmd2data_indices[i*3+1] = vertremap[temptris[i][1]];
588 loadmodel->mdlmd2data_indices[i*3+2] = vertremap[temptris[i][2]];
590 // store the texture coordinates
591 loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, sizeof(float[4]) * totalverts);
592 for (i = 0;i < totalverts;i++)
594 loadmodel->mdlmd2data_texcoords[i*4+0] = vertst[i][0];
595 loadmodel->mdlmd2data_texcoords[i*4+1] = vertst[i][1];
599 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
600 loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, sizeof(aliasvertex_t) * totalposes * totalverts);
602 // LordHavoc: doing proper bbox for model
603 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
604 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
606 Mod_MDL_LoadFrames (startframes, numverts, scale, translate);
608 modelyawradius = sqrt(modelyawradius);
609 modelradius = sqrt(modelradius);
610 for (j = 0;j < 3;j++)
612 loadmodel->normalmins[j] = aliasbboxmin[j];
613 loadmodel->normalmaxs[j] = aliasbboxmax[j];
614 loadmodel->rotatedmins[j] = -modelradius;
615 loadmodel->rotatedmaxs[j] = modelradius;
617 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
618 loadmodel->yawmins[2] = loadmodel->normalmins[2];
619 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
620 loadmodel->radius = modelradius;
621 loadmodel->radius2 = modelradius * modelradius;
623 Mod_BuildMDLMD2MeshInfo();
626 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, aliasvertex_t *out, int *vertremap)
632 for (i = 0;i < loadmodel->numverts;i++)
634 in = v + vertremap[i];
635 temp[0] = in->v[0] * scale[0] + translate[0];
636 temp[1] = in->v[1] * scale[1] + translate[1];
637 temp[2] = in->v[2] * scale[2] + translate[2];
638 // update bounding box
639 if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
640 if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
641 if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
642 if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
643 if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
644 if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
645 dist = temp[0]*temp[0]+temp[1]*temp[1];
646 if (modelyawradius < dist)
647 modelyawradius = dist;
648 dist += temp[2]*temp[2];
649 if (modelradius < dist)
651 VectorCopy(temp, out[i].origin);
655 void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
661 int i, j, k, hashindex, num, numxyz, numst, xyz, st;
662 float *stverts, s, t, scale[3], translate[3];
665 struct md2verthash_s *next;
669 *hash, **md2verthash, *md2verthashdata;
671 md2frame_t *pinframe;
673 md2triangle_t *intri;
674 unsigned short *inst;
675 int skinwidth, skinheight;
676 float *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer;
681 version = LittleLong (pinmodel->version);
682 if (version != MD2ALIAS_VERSION)
683 Host_Error ("%s has wrong version number (%i should be %i)",
684 loadmodel->name, version, MD2ALIAS_VERSION);
686 loadmodel->type = mod_alias;
687 loadmodel->aliastype = ALIASTYPE_MDLMD2;
688 loadmodel->DrawSky = NULL;
689 loadmodel->Draw = R_Model_Alias_Draw;
690 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
691 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
692 loadmodel->DrawLight = R_Model_Alias_DrawLight;
694 if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > MD2MAX_TRIANGLES)
695 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
696 if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > MD2MAX_VERTS)
697 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
698 if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > MD2MAX_FRAMES)
699 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
700 if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > MAX_SKINS)
701 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
703 end = LittleLong(pinmodel->ofs_end);
704 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
705 Host_Error ("%s is not a valid model", loadmodel->name);
706 if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
707 Host_Error ("%s is not a valid model", loadmodel->name);
708 if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
709 Host_Error ("%s is not a valid model", loadmodel->name);
710 if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
711 Host_Error ("%s is not a valid model", loadmodel->name);
712 if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
713 Host_Error ("%s is not a valid model", loadmodel->name);
715 loadmodel->numskins = LittleLong(pinmodel->num_skins);
716 numxyz = LittleLong(pinmodel->num_xyz);
717 numst = LittleLong(pinmodel->num_st);
718 loadmodel->numtris = LittleLong(pinmodel->num_tris);
719 loadmodel->numframes = LittleLong(pinmodel->num_frames);
721 loadmodel->flags = 0; // there are no MD2 flags
722 loadmodel->synctype = ST_RAND;
725 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
726 if (loadmodel->numskins)
728 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins + sizeof(skinframe_t) * loadmodel->numskins);
729 loadmodel->skinframes = (void *)(loadmodel->skinscenes + loadmodel->numskins);
730 for (i = 0;i < loadmodel->numskins;i++)
732 loadmodel->skinscenes[i].firstframe = i;
733 loadmodel->skinscenes[i].framecount = 1;
734 loadmodel->skinscenes[i].loop = true;
735 loadmodel->skinscenes[i].framerate = 10;
736 loadmodel->skinframes[i].base = loadtextureimagewithmaskandnmap (loadmodel->texturepool, inskin, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
737 loadmodel->skinframes[i].fog = image_masktex;
738 loadmodel->skinframes[i].nmap = image_nmaptex;
739 loadmodel->skinframes[i].gloss = NULL;
740 loadmodel->skinframes[i].pants = NULL;
741 loadmodel->skinframes[i].shirt = NULL;
742 loadmodel->skinframes[i].glow = NULL;
743 loadmodel->skinframes[i].merged = NULL;
744 inskin += MD2MAX_SKINNAME;
748 // load the triangles and stvert data
749 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
750 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
751 skinwidth = LittleLong(pinmodel->skinwidth);
752 skinheight = LittleLong(pinmodel->skinheight);
754 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
755 s = 1.0f / skinwidth;
756 t = 1.0f / skinheight;
757 for (i = 0;i < numst;i++)
759 j = (unsigned short) LittleShort(inst[i*2+0]);
760 k = (unsigned short) LittleShort(inst[i*2+1]);
761 if (j >= skinwidth || k >= skinheight)
764 Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
766 stverts[i*2+0] = j * s;
767 stverts[i*2+1] = k * t;
770 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
771 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->numtris * 3 * sizeof(*hash));
772 // swap the triangle list
774 loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
775 for (i = 0;i < loadmodel->numtris;i++)
777 for (j = 0;j < 3;j++)
779 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
780 st = (unsigned short) LittleShort (intri[i].index_st[j]);
781 if (xyz >= numxyz || st >= numst)
783 Mem_Free(md2verthash);
784 Mem_Free(md2verthashdata);
787 Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
789 Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
793 hashindex = (xyz * 17 + st) & 255;
794 for (hash = md2verthash[hashindex];hash;hash = hash->next)
795 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
799 hash = md2verthashdata + num++;
803 hash->next = md2verthash[hashindex];
804 md2verthash[hashindex] = hash;
806 loadmodel->mdlmd2data_indices[i*3+j] = (hash - md2verthashdata);
812 loadmodel->numverts = num;
813 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
814 loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, num * sizeof(float[4]));
815 for (i = 0;i < num;i++)
817 hash = md2verthashdata + i;
818 vertremap[i] = hash->xyz;
819 loadmodel->mdlmd2data_texcoords[i*4+0] = hash->st[0];
820 loadmodel->mdlmd2data_texcoords[i*4+1] = hash->st[1];
823 Mem_Free(md2verthash);
824 Mem_Free(md2verthashdata);
827 // LordHavoc: doing proper bbox for model
828 aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
829 aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
833 datapointer = (base + LittleLong(pinmodel->ofs_frames));
835 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
836 loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, loadmodel->numverts * loadmodel->numframes * sizeof(trivertx_t));
838 vertexbuffer = Mem_Alloc(tempmempool, loadmodel->numverts * sizeof(float[4]) * 4);
839 svectorsbuffer = vertexbuffer + loadmodel->numverts * 4;
840 tvectorsbuffer = svectorsbuffer + loadmodel->numverts * 4;
841 normalsbuffer = tvectorsbuffer + loadmodel->numverts * 4;
842 for (i = 0;i < loadmodel->numframes;i++)
844 pinframe = (md2frame_t *)datapointer;
845 datapointer += sizeof(md2frame_t);
846 for (j = 0;j < 3;j++)
848 scale[j] = LittleFloat(pinframe->scale[j]);
849 translate[j] = LittleFloat(pinframe->translate[j]);
851 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->mdlmd2data_pose + i * loadmodel->numverts, vertremap);
852 Mod_BuildAliasVertexTextureVectors(loadmodel->numtris, loadmodel->mdlmd2data_indices, loadmodel->numverts, loadmodel->mdlmd2data_pose + i * loadmodel->numverts, loadmodel->mdlmd2data_texcoords, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer);
853 datapointer += numxyz * sizeof(trivertx_t);
855 strcpy(loadmodel->animscenes[i].name, pinframe->name);
856 loadmodel->animscenes[i].firstframe = i;
857 loadmodel->animscenes[i].framecount = 1;
858 loadmodel->animscenes[i].framerate = 10;
859 loadmodel->animscenes[i].loop = true;
861 Mem_Free(vertexbuffer);
865 // LordHavoc: model bbox
866 modelyawradius = sqrt(modelyawradius);
867 modelradius = sqrt(modelradius);
868 for (j = 0;j < 3;j++)
870 loadmodel->normalmins[j] = aliasbboxmin[j];
871 loadmodel->normalmaxs[j] = aliasbboxmax[j];
872 loadmodel->rotatedmins[j] = -modelradius;
873 loadmodel->rotatedmaxs[j] = modelradius;
875 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
876 loadmodel->yawmins[2] = loadmodel->normalmins[2];
877 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
878 loadmodel->radius = modelradius;
879 loadmodel->radius2 = modelradius * modelradius;
881 Mod_BuildMDLMD2MeshInfo();
884 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
885 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
886 extern void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent);
887 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
888 extern void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor);
889 void Mod_LoadZymoticModel(model_t *mod, void *buffer)
891 zymtype1header_t *pinmodel, *pheader;
894 pinmodel = (void *)buffer;
896 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
897 Host_Error ("Mod_LoadZymoticModel: %s is not a zymotic model\n");
898 if (BigLong(pinmodel->type) != 1)
899 Host_Error ("Mod_LoadZymoticModel: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
901 loadmodel->type = mod_alias;
902 loadmodel->aliastype = ALIASTYPE_ZYM;
903 loadmodel->DrawSky = NULL;
904 loadmodel->Draw = R_Model_Zymotic_Draw;
905 loadmodel->DrawFakeShadow = NULL;//R_Model_Zymotic_DrawFakeShadow;
906 loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
907 loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
911 pheader->type = BigLong(pinmodel->type);
912 pheader->filesize = BigLong(pinmodel->filesize);
913 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
914 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
915 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
916 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
917 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
918 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
919 pheader->radius = BigFloat(pinmodel->radius);
920 pheader->numverts = loadmodel->zymnum_verts = BigLong(pinmodel->numverts);
921 pheader->numtris = loadmodel->zymnum_tris = BigLong(pinmodel->numtris);
922 pheader->numshaders = loadmodel->zymnum_shaders = BigLong(pinmodel->numshaders);
923 pheader->numbones = loadmodel->zymnum_bones = BigLong(pinmodel->numbones);
924 pheader->numscenes = loadmodel->zymnum_scenes = BigLong(pinmodel->numscenes);
925 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
926 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
927 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
928 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
929 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
930 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
931 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
932 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
933 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
934 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
935 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
936 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
937 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
938 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
939 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
940 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
941 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
942 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
944 loadmodel->flags = 0; // there are no flags
945 loadmodel->numframes = pheader->numscenes;
946 loadmodel->synctype = ST_SYNC;
947 loadmodel->numtris = pheader->numtris;
948 loadmodel->numverts = 0;
952 float modelradius, corner[2];
954 modelradius = pheader->radius;
955 for (i = 0;i < 3;i++)
957 loadmodel->normalmins[i] = pheader->mins[i];
958 loadmodel->normalmaxs[i] = pheader->maxs[i];
959 loadmodel->rotatedmins[i] = -modelradius;
960 loadmodel->rotatedmaxs[i] = modelradius;
962 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
963 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
964 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
965 if (loadmodel->yawmaxs[0] > modelradius)
966 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
967 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
968 loadmodel->yawmins[2] = loadmodel->normalmins[2];
969 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
970 loadmodel->radius = modelradius;
971 loadmodel->radius2 = modelradius * modelradius;
975 // FIXME: add shaders, and make them switchable shader sets and...
976 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) + sizeof(skinframe_t));
977 loadmodel->skinscenes[0].firstframe = 0;
978 loadmodel->skinscenes[0].framecount = 1;
979 loadmodel->skinscenes[0].loop = true;
980 loadmodel->skinscenes[0].framerate = 10;
981 loadmodel->skinframes = (void *)(loadmodel->skinscenes + 1);
982 loadmodel->skinframes->base = NULL;
983 loadmodel->skinframes->fog = NULL;
984 loadmodel->skinframes->pants = NULL;
985 loadmodel->skinframes->shirt = NULL;
986 loadmodel->skinframes->glow = NULL;
987 loadmodel->skinframes->merged = NULL;
988 loadmodel->numskins = 1;
991 // go through the lumps, swapping things
996 // zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
997 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
998 scene = (void *) (pheader->lump_scenes.start + pbase);
999 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1000 for (i = 0;i < pheader->numscenes;i++)
1002 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1003 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1004 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1005 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1006 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1007 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1008 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
1009 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1010 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1011 if (loadmodel->animscenes[i].framerate < 0)
1012 Host_Error("Mod_LoadZymoticModel: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
1020 // zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1021 loadmodel->zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1022 poses = (void *) (pheader->lump_poses.start + pbase);
1023 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1024 loadmodel->zymdata_poses[i] = BigFloat(poses[i]);
1030 // zymlump_t lump_bones; // zymbone_t bone[numbones];
1031 loadmodel->zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1032 bone = (void *) (pheader->lump_bones.start + pbase);
1033 for (i = 0;i < pheader->numbones;i++)
1035 memcpy(loadmodel->zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1036 loadmodel->zymdata_bones[i].flags = BigLong(bone[i].flags);
1037 loadmodel->zymdata_bones[i].parent = BigLong(bone[i].parent);
1038 if (loadmodel->zymdata_bones[i].parent >= i)
1039 Host_Error("Mod_LoadZymoticModel: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
1045 // zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1046 loadmodel->zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1047 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1048 for (i = 0;i < pheader->numverts;i++)
1050 loadmodel->zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1051 if (loadmodel->zymdata_vertbonecounts[i] < 1)
1052 Host_Error("Mod_LoadZymoticModel: bone vertex count < 1 in %s\n", loadmodel->name);
1058 zymvertex_t *vertdata;
1059 // zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1060 loadmodel->zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1061 vertdata = (void *) (pheader->lump_verts.start + pbase);
1062 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1064 loadmodel->zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1065 loadmodel->zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1066 loadmodel->zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1067 loadmodel->zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1073 float *intexcoord, *outtexcoord;
1074 // zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1075 loadmodel->zymdata_texcoords = outtexcoord = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[4]));
1076 intexcoord = (void *) (pheader->lump_texcoords.start + pbase);
1077 for (i = 0;i < pheader->numverts;i++)
1079 outtexcoord[i*4+0] = BigFloat(intexcoord[i*2+0]);
1080 // flip T coordinate for OpenGL
1081 outtexcoord[i*4+1] = 1 - BigFloat(intexcoord[i*2+1]);
1086 int i, count, *renderlist, *renderlistend, *outrenderlist;
1087 // zymlump_t lump_render; // int renderlist[rendersize]; // sorted by shader with run lengths (int count), shaders are sequentially used, each run can be used with glDrawElements (each triangle is 3 int indices)
1088 loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1089 // byteswap, validate, and swap winding order of tris
1090 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1091 if (pheader->lump_render.length != count)
1092 Host_Error("Mod_LoadZymoticModel: renderlist is wrong size in %s (is %i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1093 outrenderlist = loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1094 renderlist = (void *) (pheader->lump_render.start + pbase);
1095 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1096 for (i = 0;i < pheader->numshaders;i++)
1098 if (renderlist >= renderlistend)
1099 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1100 count = BigLong(*renderlist);renderlist++;
1101 if (renderlist + count * 3 > renderlistend)
1102 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1103 *outrenderlist++ = count;
1106 outrenderlist[2] = BigLong(renderlist[0]);
1107 outrenderlist[1] = BigLong(renderlist[1]);
1108 outrenderlist[0] = BigLong(renderlist[2]);
1109 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1110 || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1111 || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1112 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1122 // zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1123 loadmodel->zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1124 shadername = (void *) (pheader->lump_shaders.start + pbase);
1125 for (i = 0;i < pheader->numshaders;i++)
1126 loadmodel->zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1130 // zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1131 loadmodel->zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1132 memcpy(loadmodel->zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);