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 static float vertst[MAXALIASVERTS][2];
32 static int vertusage[MAXALIASVERTS];
33 static int vertonseam[MAXALIASVERTS];
34 static int vertremap[MAXALIASVERTS];
35 static int temptris[MAXALIASTRIS][3];
37 static void Mod_CalcAliasModelBBoxes (void)
40 float dist, yawradius, radius;
43 VectorClear(loadmodel->normalmins);
44 VectorClear(loadmodel->normalmaxs);
47 for (meshnum = 0, mesh = loadmodel->aliasdata_meshes;meshnum < loadmodel->aliasnum_meshes;meshnum++, mesh++)
49 for (vnum = 0, v = mesh->data_vertices;vnum < mesh->num_vertices * mesh->num_frames;vnum++, v++)
51 if (loadmodel->normalmins[0] > v->origin[0]) loadmodel->normalmins[0] = v->origin[0];
52 if (loadmodel->normalmins[1] > v->origin[1]) loadmodel->normalmins[1] = v->origin[1];
53 if (loadmodel->normalmins[2] > v->origin[2]) loadmodel->normalmins[2] = v->origin[2];
54 if (loadmodel->normalmaxs[0] < v->origin[0]) loadmodel->normalmaxs[0] = v->origin[0];
55 if (loadmodel->normalmaxs[1] < v->origin[1]) loadmodel->normalmaxs[1] = v->origin[1];
56 if (loadmodel->normalmaxs[2] < v->origin[2]) loadmodel->normalmaxs[2] = v->origin[2];
57 dist = v->origin[0] * v->origin[0] + v->origin[1] * v->origin[1];
60 dist += v->origin[2] * v->origin[2];
65 radius = sqrt(radius);
66 yawradius = sqrt(yawradius);
67 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
68 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
69 loadmodel->yawmins[2] = loadmodel->normalmins[2];
70 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
71 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
72 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
73 loadmodel->radius = radius;
74 loadmodel->radius2 = radius * radius;
77 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, aliasvertex_t *out)
81 for (i = 0;i < inverts;i++)
83 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
85 temp[0] = v[i].v[0] * scale[0] + translate[0];
86 temp[1] = v[i].v[1] * scale[1] + translate[1];
87 temp[2] = v[i].v[2] * scale[2] + translate[2];
88 j = vertremap[i]; // not onseam
90 VectorCopy(temp, out[j].origin);
91 j = vertremap[i+inverts]; // onseam
93 VectorCopy(temp, out[j].origin);
97 static void Mod_BuildAliasVertexTextureVectors(int numverts, aliasvertex_t *vertices, const float *texcoords, float *vertexbuffer, float *svectorsbuffer, float *tvectorsbuffer, float *normalsbuffer, int numtriangles, const int *elements)
100 for (i = 0;i < numverts;i++)
101 VectorCopy(vertices[i].origin, &vertexbuffer[i * 4]);
102 Mod_BuildTextureVectorsAndNormals(numverts, numtriangles, vertexbuffer, texcoords, elements, svectorsbuffer, tvectorsbuffer, normalsbuffer);
103 for (i = 0;i < numverts;i++)
105 // LordHavoc: alias models are backwards, apparently
106 vertices[i].normal[0] = normalsbuffer[i * 4 + 0];
107 vertices[i].normal[1] = normalsbuffer[i * 4 + 1];
108 vertices[i].normal[2] = normalsbuffer[i * 4 + 2];
109 vertices[i].svector[0] = svectorsbuffer[i * 4 + 0];
110 vertices[i].svector[1] = svectorsbuffer[i * 4 + 1];
111 vertices[i].svector[2] = svectorsbuffer[i * 4 + 2];
115 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, int outverts, vec3_t scale, vec3_t translate, float *texcoords, aliasvertex_t *posedata, int numtris, int *elements)
117 int i, f, pose, groupframes;
118 float interval, *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer;
119 daliasframetype_t *pframetype;
120 daliasframe_t *pinframe;
121 daliasgroup_t *group;
122 daliasinterval_t *intervals;
125 scene = loadmodel->animscenes;
126 vertexbuffer = Mem_Alloc(tempmempool, outverts * sizeof(float[4]) * 4);
127 svectorsbuffer = vertexbuffer + outverts * 4;
128 tvectorsbuffer = svectorsbuffer + outverts * 4;
129 normalsbuffer = tvectorsbuffer + outverts * 4;
130 for (f = 0;f < loadmodel->numframes;f++)
132 pframetype = (daliasframetype_t *)datapointer;
133 datapointer += sizeof(daliasframetype_t);
134 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
136 // a single frame is still treated as a group
143 group = (daliasgroup_t *)datapointer;
144 datapointer += sizeof(daliasgroup_t);
145 groupframes = LittleLong (group->numframes);
147 // intervals (time per frame)
148 intervals = (daliasinterval_t *)datapointer;
149 datapointer += sizeof(daliasinterval_t) * groupframes;
151 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
152 if (interval < 0.01f)
153 Host_Error("Mod_MDL_LoadFrames: invalid interval");
156 // get scene name from first frame
157 pinframe = (daliasframe_t *)datapointer;
159 strcpy(scene->name, pinframe->name);
160 scene->firstframe = pose;
161 scene->framecount = groupframes;
162 scene->framerate = 1.0f / interval;
167 for (i = 0;i < groupframes;i++)
169 pinframe = (daliasframe_t *)datapointer;
170 datapointer += sizeof(daliasframe_t);
171 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, posedata + pose * outverts);
172 Mod_BuildAliasVertexTextureVectors(outverts, posedata + pose * outverts, texcoords, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer, numtris, elements);
173 datapointer += sizeof(trivertx_t) * inverts;
177 Mem_Free(vertexbuffer);
180 static rtexture_t *GL_TextureForSkinLayer(const qbyte *in, int width, int height, const char *name, const unsigned int *palette, int precache)
183 for (i = 0;i < width*height;i++)
184 if (((qbyte *)&palette[in[i]])[3] > 0)
185 return R_LoadTexture2D (loadmodel->texturepool, name, width, height, in, TEXTYPE_PALETTE, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0), palette);
189 static int Mod_LoadExternalSkin (char *basename, skinframe_t *skinframe, int precache)
191 skinframe->nmap = loadtextureimage(loadmodel->texturepool, va("%s_nmap" , basename), 0, 0, false, (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
192 if (skinframe->nmap == NULL)
193 skinframe->nmap = loadtextureimagebumpasnmap(loadmodel->texturepool, va("%s_bump" , basename), 0, 0, false, (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
194 if (skinframe->nmap != NULL)
196 skinframe->base = loadtextureimagewithmask(loadmodel->texturepool, va("%s_normal", basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
197 if (skinframe->base == NULL)
198 skinframe->base = loadtextureimagewithmask(loadmodel->texturepool, basename, 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
199 skinframe->fog = image_masktex;
203 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);
204 if (skinframe->base == NULL)
205 skinframe->base = loadtextureimagewithmaskandnmap(loadmodel->texturepool, basename, 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0), 1);
206 skinframe->fog = image_masktex;
207 skinframe->nmap = image_nmaptex;
209 skinframe->gloss = loadtextureimage(loadmodel->texturepool, va("%s_gloss" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
210 skinframe->pants = loadtextureimage(loadmodel->texturepool, va("%s_pants" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
211 skinframe->shirt = loadtextureimage(loadmodel->texturepool, va("%s_shirt" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
212 skinframe->glow = loadtextureimage(loadmodel->texturepool, va("%s_glow" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
213 if (skinframe->glow == NULL)
214 skinframe->glow = loadtextureimage(loadmodel->texturepool, va("%s_luma" , basename), 0, 0, false, TEXF_ALPHA | (precache ? TEXF_PRECACHE : 0) | (r_mipskins.integer ? TEXF_MIPMAP : 0));
215 skinframe->merged = skinframe->base;
216 return skinframe->base != NULL || skinframe->pants != NULL || skinframe->shirt != NULL || skinframe->glow != NULL;
219 static int Mod_LoadInternalSkin (char *basename, qbyte *skindata, int width, int height, skinframe_t *skinframe, int precache)
221 qbyte *temp1, *temp2;
224 temp1 = Mem_Alloc(loadmodel->mempool, width * height * 8);
225 temp2 = temp1 + width * height * 4;
226 Image_Copy8bitRGBA(skindata, temp1, width * height, palette_nofullbrights);
227 Image_HeightmapToNormalmap(temp1, temp2, width, height, false, 1);
228 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);
230 skinframe->gloss = NULL;
231 skinframe->pants = GL_TextureForSkinLayer(skindata, width, height, va("%s_pants", basename), palette_pantsaswhite, false); // pants
232 skinframe->shirt = GL_TextureForSkinLayer(skindata, width, height, va("%s_shirt", basename), palette_shirtaswhite, false); // shirt
233 skinframe->glow = GL_TextureForSkinLayer(skindata, width, height, va("%s_glow", basename), palette_onlyfullbrights, precache); // glow
234 if (skinframe->pants || skinframe->shirt)
236 skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_normal", basename), palette_nocolormapnofullbrights, false); // normal (no special colors)
237 skinframe->merged = GL_TextureForSkinLayer(skindata, width, height, va("%s_body", basename), palette_nofullbrights, precache); // body (normal + pants + shirt, but not glow)
240 skinframe->base = GL_TextureForSkinLayer(skindata, width, height, va("%s_base", basename), palette_nofullbrights, precache); // no special colors
241 // quake model skins don't have alpha
242 skinframe->fog = NULL;
246 void Mod_BuildAliasSkinFromSkinFrame(aliasskin_t *skin, skinframe_t *skinframe)
250 // fog texture only exists if some pixels are transparent...
251 if (skinframe->fog != NULL)
252 skin->flags |= ALIASSKIN_TRANSPARENT;
253 // fog and gloss layers always exist
254 skin->num_layers = 2;
255 if (skinframe->glow != NULL)
257 if (skinframe->merged != NULL)
258 skin->num_layers += 2;
259 if (skinframe->base != NULL)
260 skin->num_layers += 2;
261 if (skinframe->pants != NULL)
262 skin->num_layers += 2;
263 if (skinframe->shirt != NULL)
264 skin->num_layers += 2;
265 layer = skin->data_layers = Mem_Alloc(loadmodel->mempool, skin->num_layers * sizeof(aliaslayer_t));
266 if (skinframe->glow != NULL)
269 layer->texture = skinframe->glow;
272 if (skinframe->merged != NULL)
274 layer->flags = ALIASLAYER_NODRAW_IF_COLORMAPPED | ALIASLAYER_DIFFUSE;
275 if (skinframe->glow != NULL)
276 layer->flags |= ALIASLAYER_ADD;
277 layer->texture = skinframe->merged;
278 layer->nmap = skinframe->nmap;
281 if (skinframe->base != NULL)
283 layer->flags = ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE;
284 if (skinframe->glow != NULL)
285 layer->flags |= ALIASLAYER_ADD;
286 layer->texture = skinframe->base;
287 layer->nmap = skinframe->nmap;
290 if (skinframe->pants != NULL)
292 layer->flags = ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_SHIRT;
293 if (skinframe->glow != NULL || skinframe->base != NULL)
294 layer->flags |= ALIASLAYER_ADD;
295 layer->texture = skinframe->pants;
296 layer->nmap = skinframe->nmap;
299 if (skinframe->shirt != NULL)
301 layer->flags = ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_SHIRT;
302 if (skinframe->glow != NULL || skinframe->base != NULL || skinframe->pants != NULL)
303 layer->flags |= ALIASLAYER_ADD;
304 layer->texture = skinframe->shirt;
305 layer->nmap = skinframe->nmap;
308 layer->flags = ALIASLAYER_FOG;
309 layer->texture = skinframe->fog;
311 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_SPECULAR;
312 layer->texture = skinframe->gloss;
313 layer->nmap = skinframe->nmap;
315 if (skinframe->merged != NULL)
317 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_COLORMAPPED | ALIASLAYER_DIFFUSE;
318 layer->texture = skinframe->merged;
319 layer->nmap = skinframe->nmap;
322 if (skinframe->base != NULL)
324 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE;
325 layer->texture = skinframe->base;
326 layer->nmap = skinframe->nmap;
329 if (skinframe->pants != NULL)
331 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_PANTS;
332 layer->texture = skinframe->pants;
333 layer->nmap = skinframe->nmap;
336 if (skinframe->shirt != NULL)
338 layer->flags = ALIASLAYER_DRAW_PER_LIGHT | ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED | ALIASLAYER_DIFFUSE | ALIASLAYER_COLORMAP_SHIRT;
339 layer->texture = skinframe->shirt;
340 layer->nmap = skinframe->nmap;
345 void Mod_BuildMDLMD2MeshInfo(int numverts, int numtris, int *elements, float *texcoords, aliasvertex_t *posedata)
350 loadmodel->aliasnum_meshes = 1;
351 mesh = loadmodel->aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->aliasnum_meshes * sizeof(aliasmesh_t));
353 mesh->num_frames = 0;
354 for (i = 0;i < loadmodel->numframes;i++)
355 mesh->num_frames += loadmodel->animscenes[i].framecount;
356 for (i = 0;i < loadmodel->numskins;i++)
357 mesh->num_skins += loadmodel->skinscenes[i].framecount;
358 mesh->num_triangles = numtris;
359 mesh->num_vertices = numverts;
360 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
361 mesh->data_elements = elements;
362 mesh->data_neighbors = Mem_Alloc(loadmodel->mempool, numtris * sizeof(int[3]));
363 Mod_ValidateElements(mesh->data_elements, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
364 Mod_BuildTriangleNeighbors(mesh->data_neighbors, mesh->data_elements, mesh->num_triangles);
365 mesh->data_texcoords = texcoords;
366 mesh->data_vertices = posedata;
367 for (i = 0;i < mesh->num_skins;i++)
368 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + i, loadmodel->skinframes + i);
369 Mod_CalcAliasModelBBoxes();
372 #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);
373 #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);
374 extern void R_Model_Alias_Draw(entity_render_t *ent);
375 extern void R_Model_Alias_DrawFakeShadow(entity_render_t *ent);
376 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
377 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor);
378 void Mod_LoadQ1AliasModel (model_t *mod, void *buffer)
380 int i, j, version, totalposes, totalskins, skinwidth, skinheight, totalverts, groupframes, groupskins, *elements, numverts, numtris;
381 float scales, scalet, scale[3], translate[3], interval, *texcoords;
383 stvert_t *pinstverts;
384 dtriangle_t *pintriangles;
385 daliasskintype_t *pinskintype;
386 daliasskingroup_t *pinskingroup;
387 daliasskininterval_t *pinskinintervals;
388 daliasframetype_t *pinframetype;
389 daliasgroup_t *pinframegroup;
390 aliasvertex_t *posedata;
391 qbyte *datapointer, *startframes, *startskins;
392 char name[MAX_QPATH];
393 skinframe_t tempskinframe;
394 animscene_t *tempskinscenes;
395 skinframe_t *tempskinframes;
397 datapointer = buffer;
398 pinmodel = (mdl_t *)datapointer;
399 datapointer += sizeof(mdl_t);
401 version = LittleLong (pinmodel->version);
402 if (version != ALIAS_VERSION)
403 Host_Error ("%s has wrong version number (%i should be %i)",
404 loadmodel->name, version, ALIAS_VERSION);
406 loadmodel->type = mod_alias;
407 loadmodel->aliastype = ALIASTYPE_ALIAS;
408 loadmodel->DrawSky = NULL;
409 loadmodel->Draw = R_Model_Alias_Draw;
410 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
411 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
412 loadmodel->DrawLight = R_Model_Alias_DrawLight;
414 loadmodel->numskins = LittleLong(pinmodel->numskins);
415 BOUNDI(loadmodel->numskins,0,256);
416 skinwidth = LittleLong (pinmodel->skinwidth);
417 BOUNDI(skinwidth,0,4096);
418 skinheight = LittleLong (pinmodel->skinheight);
419 BOUNDI(skinheight,0,4096);
420 numverts = LittleLong(pinmodel->numverts);
421 BOUNDI(numverts,0,MAXALIASVERTS);
422 numtris = LittleLong(pinmodel->numtris);
423 BOUNDI(numtris,0,MAXALIASTRIS);
424 loadmodel->numframes = LittleLong(pinmodel->numframes);
425 BOUNDI(loadmodel->numframes,0,65536);
426 loadmodel->synctype = LittleLong (pinmodel->synctype);
427 BOUNDI(loadmodel->synctype,0,2);
428 loadmodel->flags = LittleLong (pinmodel->flags);
430 for (i = 0;i < 3;i++)
432 scale[i] = LittleFloat (pinmodel->scale[i]);
433 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
436 startskins = datapointer;
438 for (i = 0;i < loadmodel->numskins;i++)
440 pinskintype = (daliasskintype_t *)datapointer;
441 datapointer += sizeof(daliasskintype_t);
442 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
446 pinskingroup = (daliasskingroup_t *)datapointer;
447 datapointer += sizeof(daliasskingroup_t);
448 groupskins = LittleLong(pinskingroup->numskins);
449 datapointer += sizeof(daliasskininterval_t) * groupskins;
452 for (j = 0;j < groupskins;j++)
454 datapointer += skinwidth * skinheight;
459 pinstverts = (stvert_t *)datapointer;
460 datapointer += sizeof(stvert_t) * numverts;
462 pintriangles = (dtriangle_t *)datapointer;
463 datapointer += sizeof(dtriangle_t) * numtris;
465 startframes = datapointer;
467 for (i = 0;i < loadmodel->numframes;i++)
469 pinframetype = (daliasframetype_t *)datapointer;
470 datapointer += sizeof(daliasframetype_t);
471 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
475 pinframegroup = (daliasgroup_t *)datapointer;
476 datapointer += sizeof(daliasgroup_t);
477 groupframes = LittleLong(pinframegroup->numframes);
478 datapointer += sizeof(daliasinterval_t) * groupframes;
481 for (j = 0;j < groupframes;j++)
483 datapointer += sizeof(daliasframe_t);
484 datapointer += sizeof(trivertx_t) * numverts;
490 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
491 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, totalskins * sizeof(skinframe_t));
493 datapointer = startskins;
494 for (i = 0;i < loadmodel->numskins;i++)
496 pinskintype = (daliasskintype_t *)datapointer;
497 datapointer += sizeof(daliasskintype_t);
499 if (pinskintype->type == ALIAS_SKIN_SINGLE)
506 pinskingroup = (daliasskingroup_t *)datapointer;
507 datapointer += sizeof(daliasskingroup_t);
509 groupskins = LittleLong (pinskingroup->numskins);
511 pinskinintervals = (daliasskininterval_t *)datapointer;
512 datapointer += sizeof(daliasskininterval_t) * groupskins;
514 interval = LittleFloat(pinskinintervals[0].interval);
515 if (interval < 0.01f)
516 Host_Error("Mod_LoadQ1AliasModel: invalid interval\n");
519 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
520 loadmodel->skinscenes[i].firstframe = totalskins;
521 loadmodel->skinscenes[i].framecount = groupskins;
522 loadmodel->skinscenes[i].framerate = 1.0f / interval;
523 loadmodel->skinscenes[i].loop = true;
525 for (j = 0;j < groupskins;j++)
528 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
530 sprintf (name, "%s_%i", loadmodel->name, i);
531 if (!Mod_LoadExternalSkin(name, loadmodel->skinframes + totalskins, i == 0))
532 Mod_LoadInternalSkin(name, (qbyte *)datapointer, skinwidth, skinheight, loadmodel->skinframes + totalskins, i == 0);
533 datapointer += skinwidth * skinheight;
537 // check for skins that don't exist in the model, but do exist as external images
538 // (this was added because yummyluv kept pestering me about support for it)
541 sprintf (name, "%s_%i", loadmodel->name, loadmodel->numskins);
542 if (Mod_LoadExternalSkin(name, &tempskinframe, loadmodel->numskins == 0))
544 // expand the arrays to make room
545 tempskinscenes = loadmodel->skinscenes;
546 tempskinframes = loadmodel->skinframes;
547 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
548 loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(skinframe_t));
549 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
550 memcpy(loadmodel->skinframes, tempskinframes, totalskins * sizeof(skinframe_t));
551 Mem_Free(tempskinscenes);
552 Mem_Free(tempskinframes);
553 // store the info about the new skin
554 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
555 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
556 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
557 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
558 loadmodel->skinscenes[loadmodel->numskins].loop = true;
559 loadmodel->skinframes[totalskins] = tempskinframe;
560 loadmodel->numskins++;
567 // store texture coordinates into temporary array, they will be stored after usage is determined (triangle data)
568 scales = 1.0 / skinwidth;
569 scalet = 1.0 / skinheight;
570 for (i = 0;i < numverts;i++)
572 vertonseam[i] = LittleLong(pinstverts[i].onseam);
573 vertst[i][0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
574 vertst[i][1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
575 vertst[i+numverts][0] = vertst[i][0] + 0.5;
576 vertst[i+numverts][1] = vertst[i][1];
578 vertusage[i+numverts] = 0;
581 // load triangle data
582 elements = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * numtris);
584 // count the vertices used
585 for (i = 0;i < numverts*2;i++)
587 for (i = 0;i < numtris;i++)
589 temptris[i][0] = LittleLong(pintriangles[i].vertindex[0]);
590 temptris[i][1] = LittleLong(pintriangles[i].vertindex[1]);
591 temptris[i][2] = LittleLong(pintriangles[i].vertindex[2]);
592 if (!LittleLong(pintriangles[i].facesfront)) // backface
594 if (vertonseam[temptris[i][0]]) temptris[i][0] += numverts;
595 if (vertonseam[temptris[i][1]]) temptris[i][1] += numverts;
596 if (vertonseam[temptris[i][2]]) temptris[i][2] += numverts;
598 vertusage[temptris[i][0]]++;
599 vertusage[temptris[i][1]]++;
600 vertusage[temptris[i][2]]++;
602 // build remapping table and compact array
604 for (i = 0;i < numverts*2;i++)
608 vertremap[i] = totalverts;
609 vertst[totalverts][0] = vertst[i][0];
610 vertst[totalverts][1] = vertst[i][1];
614 vertremap[i] = -1; // not used at all
616 // remap the triangle references
617 for (i = 0;i < numtris;i++)
619 elements[i*3+0] = vertremap[temptris[i][0]];
620 elements[i*3+1] = vertremap[temptris[i][1]];
621 elements[i*3+2] = vertremap[temptris[i][2]];
623 // store the texture coordinates
624 texcoords = Mem_Alloc(loadmodel->mempool, sizeof(float[4]) * totalverts);
625 for (i = 0;i < totalverts;i++)
627 texcoords[i*4+0] = vertst[i][0];
628 texcoords[i*4+1] = vertst[i][1];
632 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
633 posedata = Mem_Alloc(loadmodel->mempool, sizeof(aliasvertex_t) * totalposes * totalverts);
634 Mod_MDL_LoadFrames (startframes, numverts, totalverts, scale, translate, texcoords, posedata, numtris, elements);
635 Mod_BuildMDLMD2MeshInfo(totalverts, numtris, elements, texcoords, posedata);
638 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, aliasvertex_t *out, int numverts, int *vertremap)
642 for (i = 0;i < numverts;i++)
644 in = v + vertremap[i];
645 out[i].origin[0] = in->v[0] * scale[0] + translate[0];
646 out[i].origin[1] = in->v[1] * scale[1] + translate[1];
647 out[i].origin[2] = in->v[2] * scale[2] + translate[2];
651 void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
653 int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, *elements, numverts, numtris;
654 float *stverts, s, t, scale[3], translate[3], *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer, *texcoords;
655 aliasvertex_t *posedata;
657 qbyte *base, *datapointer;
658 md2frame_t *pinframe;
660 md2triangle_t *intri;
661 unsigned short *inst;
664 struct md2verthash_s *next;
668 *hash, **md2verthash, *md2verthashdata;
673 version = LittleLong (pinmodel->version);
674 if (version != MD2ALIAS_VERSION)
675 Host_Error ("%s has wrong version number (%i should be %i)",
676 loadmodel->name, version, MD2ALIAS_VERSION);
678 loadmodel->type = mod_alias;
679 loadmodel->aliastype = ALIASTYPE_ALIAS;
680 loadmodel->DrawSky = NULL;
681 loadmodel->Draw = R_Model_Alias_Draw;
682 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
683 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
684 loadmodel->DrawLight = R_Model_Alias_DrawLight;
686 if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > MD2MAX_TRIANGLES)
687 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
688 if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > MD2MAX_VERTS)
689 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
690 if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > MD2MAX_FRAMES)
691 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
692 if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > MAX_SKINS)
693 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
695 end = LittleLong(pinmodel->ofs_end);
696 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
697 Host_Error ("%s is not a valid model", loadmodel->name);
698 if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
699 Host_Error ("%s is not a valid model", loadmodel->name);
700 if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
701 Host_Error ("%s is not a valid model", loadmodel->name);
702 if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
703 Host_Error ("%s is not a valid model", loadmodel->name);
704 if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
705 Host_Error ("%s is not a valid model", loadmodel->name);
707 loadmodel->numskins = LittleLong(pinmodel->num_skins);
708 numxyz = LittleLong(pinmodel->num_xyz);
709 numst = LittleLong(pinmodel->num_st);
710 numtris = LittleLong(pinmodel->num_tris);
711 loadmodel->numframes = LittleLong(pinmodel->num_frames);
713 loadmodel->flags = 0; // there are no MD2 flags
714 loadmodel->synctype = ST_RAND;
717 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
718 if (loadmodel->numskins)
720 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins + sizeof(skinframe_t) * loadmodel->numskins);
721 loadmodel->skinframes = (void *)(loadmodel->skinscenes + loadmodel->numskins);
722 for (i = 0;i < loadmodel->numskins;i++)
724 loadmodel->skinscenes[i].firstframe = i;
725 loadmodel->skinscenes[i].framecount = 1;
726 loadmodel->skinscenes[i].loop = true;
727 loadmodel->skinscenes[i].framerate = 10;
728 Mod_LoadExternalSkin (inskin, loadmodel->skinframes + i, true);
729 inskin += MD2MAX_SKINNAME;
733 // load the triangles and stvert data
734 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
735 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
736 skinwidth = LittleLong(pinmodel->skinwidth);
737 skinheight = LittleLong(pinmodel->skinheight);
739 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
740 s = 1.0f / skinwidth;
741 t = 1.0f / skinheight;
742 for (i = 0;i < numst;i++)
744 j = (unsigned short) LittleShort(inst[i*2+0]);
745 k = (unsigned short) LittleShort(inst[i*2+1]);
746 if (j >= skinwidth || k >= skinheight)
749 Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
751 stverts[i*2+0] = j * s;
752 stverts[i*2+1] = k * t;
755 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
756 md2verthashdata = Mem_Alloc(tempmempool, numtris * 3 * sizeof(*hash));
757 // swap the triangle list
759 elements = Mem_Alloc(loadmodel->mempool, numtris * sizeof(int[3]));
760 for (i = 0;i < numtris;i++)
762 for (j = 0;j < 3;j++)
764 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
765 st = (unsigned short) LittleShort (intri[i].index_st[j]);
766 if (xyz >= numxyz || st >= numst)
768 Mem_Free(md2verthash);
769 Mem_Free(md2verthashdata);
772 Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
774 Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
778 hashindex = (xyz * 17 + st) & 255;
779 for (hash = md2verthash[hashindex];hash;hash = hash->next)
780 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
784 hash = md2verthashdata + num++;
788 hash->next = md2verthash[hashindex];
789 md2verthash[hashindex] = hash;
791 elements[i*3+j] = (hash - md2verthashdata);
798 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
799 texcoords = Mem_Alloc(loadmodel->mempool, num * sizeof(float[4]));
800 for (i = 0;i < num;i++)
802 hash = md2verthashdata + i;
803 vertremap[i] = hash->xyz;
804 texcoords[i*4+0] = hash->st[0];
805 texcoords[i*4+1] = hash->st[1];
808 Mem_Free(md2verthash);
809 Mem_Free(md2verthashdata);
812 datapointer = (base + LittleLong(pinmodel->ofs_frames));
813 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
814 posedata = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->numframes * sizeof(trivertx_t));
816 vertexbuffer = Mem_Alloc(tempmempool, numverts * sizeof(float[4]) * 4);
817 svectorsbuffer = vertexbuffer + numverts * 4;
818 tvectorsbuffer = svectorsbuffer + numverts * 4;
819 normalsbuffer = tvectorsbuffer + numverts * 4;
820 for (i = 0;i < loadmodel->numframes;i++)
822 pinframe = (md2frame_t *)datapointer;
823 datapointer += sizeof(md2frame_t);
824 for (j = 0;j < 3;j++)
826 scale[j] = LittleFloat(pinframe->scale[j]);
827 translate[j] = LittleFloat(pinframe->translate[j]);
829 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, posedata + i * numverts, numverts, vertremap);
830 Mod_BuildAliasVertexTextureVectors(numverts, posedata + i * numverts, texcoords, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer, numtris, elements);
831 datapointer += numxyz * sizeof(trivertx_t);
833 strcpy(loadmodel->animscenes[i].name, pinframe->name);
834 loadmodel->animscenes[i].firstframe = i;
835 loadmodel->animscenes[i].framecount = 1;
836 loadmodel->animscenes[i].framerate = 10;
837 loadmodel->animscenes[i].loop = true;
839 Mem_Free(vertexbuffer);
843 Mod_BuildMDLMD2MeshInfo(numverts, numtris, elements, texcoords, posedata);
846 void Mod_LoadQ3AliasModel(model_t *mod, void *buffer)
849 float *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer;
850 md3modelheader_t *pinmodel;
851 md3frameinfo_t *pinframe;
854 skinframe_t tempskinframe;
858 if (memcmp(pinmodel->identifier, "IDP3", 4))
859 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
860 version = LittleLong (pinmodel->version);
861 if (version != MD3VERSION)
862 Host_Error ("%s has wrong version number (%i should be %i)",
863 loadmodel->name, version, MD3VERSION);
865 loadmodel->type = mod_alias;
866 loadmodel->aliastype = ALIASTYPE_ALIAS;
867 loadmodel->DrawSky = NULL;
868 loadmodel->Draw = R_Model_Alias_Draw;
869 loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
870 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
871 loadmodel->DrawLight = R_Model_Alias_DrawLight;
872 loadmodel->flags = 0;
873 loadmodel->synctype = ST_RAND;
875 // set up some global info about the model
876 loadmodel->numframes = LittleLong(pinmodel->num_frames);
877 loadmodel->numskins = 1;
878 loadmodel->aliasnum_meshes = LittleLong(pinmodel->num_meshes);
879 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
880 loadmodel->skinscenes[0].firstframe = 0;
881 loadmodel->skinscenes[0].framecount = 1;
882 loadmodel->skinscenes[0].loop = true;
883 loadmodel->skinscenes[0].framerate = 10;
886 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
887 for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
889 strcpy(loadmodel->animscenes[i].name, pinframe->name);
890 loadmodel->animscenes[i].firstframe = i;
891 loadmodel->animscenes[i].framecount = 1;
892 loadmodel->animscenes[i].framerate = 10;
893 loadmodel->animscenes[i].loop = true;
896 // tags are not loaded yet
899 loadmodel->aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->aliasnum_meshes * sizeof(aliasmesh_t));
900 for (i = 0, pinmesh = (md3mesh_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->aliasnum_meshes;i++, pinmesh = (md3mesh_t *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_end)))
902 if (memcmp(pinmesh->identifier, "IDP3", 4))
903 Host_Error("Mod_LoadQ3AliasModel: invalid mesh identifier (not IDP3)\n");
904 mesh = loadmodel->aliasdata_meshes + i;
905 mesh->num_skins = loadmodel->numskins;
906 mesh->num_frames = LittleLong(pinmesh->num_frames);
907 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
908 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
909 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
910 mesh->data_elements = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
911 mesh->data_neighbors = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
912 mesh->data_texcoords = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[4]));
913 mesh->data_vertices = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(aliasvertex_t));
914 for (j = 0;j < mesh->num_triangles * 3;j++)
915 mesh->data_elements[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
916 for (j = 0;j < mesh->num_vertices;j++)
918 mesh->data_texcoords[j * 4 + 0] = LittleLong(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
919 mesh->data_texcoords[j * 4 + 1] = LittleLong(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
921 for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
923 mesh->data_vertices[j].origin[0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
924 mesh->data_vertices[j].origin[1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
925 mesh->data_vertices[j].origin[2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
927 vertexbuffer = Mem_Alloc(tempmempool, mesh->num_vertices * sizeof(float[4]) * 4);
928 svectorsbuffer = vertexbuffer + mesh->num_vertices * 4;
929 tvectorsbuffer = svectorsbuffer + mesh->num_vertices * 4;
930 normalsbuffer = tvectorsbuffer + mesh->num_vertices * 4;
931 for (j = 0;j < mesh->num_frames;j++)
932 Mod_BuildAliasVertexTextureVectors(mesh->num_vertices, mesh->data_vertices + j * mesh->num_vertices, mesh->data_texcoords, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer, mesh->num_triangles, mesh->data_elements);
933 Mem_Free(vertexbuffer);
935 memset(&tempskinframe, 0, sizeof(tempskinframe));
936 if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
937 Mod_LoadExternalSkin (((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name, &tempskinframe, true);
938 Mod_ValidateElements(mesh->data_elements, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
939 Mod_BuildTriangleNeighbors(mesh->data_neighbors, mesh->data_elements, mesh->num_triangles);
940 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins, &tempskinframe);
942 Mod_CalcAliasModelBBoxes();
945 extern void R_Model_Zymotic_DrawSky(entity_render_t *ent);
946 extern void R_Model_Zymotic_Draw(entity_render_t *ent);
947 extern void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent);
948 extern void R_Model_Zymotic_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
949 extern void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor);
950 void Mod_LoadZymoticModel(model_t *mod, void *buffer)
952 zymtype1header_t *pinmodel, *pheader;
955 pinmodel = (void *)buffer;
957 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
958 Host_Error ("Mod_LoadZymoticModel: %s is not a zymotic model\n");
959 if (BigLong(pinmodel->type) != 1)
960 Host_Error ("Mod_LoadZymoticModel: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
962 loadmodel->type = mod_alias;
963 loadmodel->aliastype = ALIASTYPE_ZYM;
964 loadmodel->DrawSky = NULL;
965 loadmodel->Draw = R_Model_Zymotic_Draw;
966 loadmodel->DrawFakeShadow = NULL;//R_Model_Zymotic_DrawFakeShadow;
967 loadmodel->DrawShadowVolume = NULL;//R_Model_Zymotic_DrawShadowVolume;
968 loadmodel->DrawLight = NULL;//R_Model_Zymotic_DrawLight;
972 pheader->type = BigLong(pinmodel->type);
973 pheader->filesize = BigLong(pinmodel->filesize);
974 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
975 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
976 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
977 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
978 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
979 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
980 pheader->radius = BigFloat(pinmodel->radius);
981 pheader->numverts = loadmodel->zymnum_verts = BigLong(pinmodel->numverts);
982 pheader->numtris = loadmodel->zymnum_tris = BigLong(pinmodel->numtris);
983 pheader->numshaders = loadmodel->zymnum_shaders = BigLong(pinmodel->numshaders);
984 pheader->numbones = loadmodel->zymnum_bones = BigLong(pinmodel->numbones);
985 pheader->numscenes = loadmodel->zymnum_scenes = BigLong(pinmodel->numscenes);
986 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
987 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
988 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
989 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
990 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
991 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
992 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
993 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
994 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
995 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
996 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
997 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
998 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
999 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1000 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1001 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1002 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1003 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1005 loadmodel->flags = 0; // there are no flags
1006 loadmodel->numframes = pheader->numscenes;
1007 loadmodel->synctype = ST_SYNC;
1008 //loadmodel->numtris = pheader->numtris;
1009 //loadmodel->numverts = 0;
1013 float modelradius, corner[2];
1015 modelradius = pheader->radius;
1016 for (i = 0;i < 3;i++)
1018 loadmodel->normalmins[i] = pheader->mins[i];
1019 loadmodel->normalmaxs[i] = pheader->maxs[i];
1020 loadmodel->rotatedmins[i] = -modelradius;
1021 loadmodel->rotatedmaxs[i] = modelradius;
1023 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1024 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1025 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1026 if (loadmodel->yawmaxs[0] > modelradius)
1027 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1028 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1029 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1030 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1031 loadmodel->radius = modelradius;
1032 loadmodel->radius2 = modelradius * modelradius;
1036 // FIXME: add shaders, and make them switchable shader sets and...
1037 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) + sizeof(skinframe_t));
1038 loadmodel->skinscenes[0].firstframe = 0;
1039 loadmodel->skinscenes[0].framecount = 1;
1040 loadmodel->skinscenes[0].loop = true;
1041 loadmodel->skinscenes[0].framerate = 10;
1042 loadmodel->skinframes = (void *)(loadmodel->skinscenes + 1);
1043 loadmodel->skinframes->base = NULL;
1044 loadmodel->skinframes->fog = NULL;
1045 loadmodel->skinframes->pants = NULL;
1046 loadmodel->skinframes->shirt = NULL;
1047 loadmodel->skinframes->glow = NULL;
1048 loadmodel->skinframes->merged = NULL;
1049 loadmodel->numskins = 1;
1052 // go through the lumps, swapping things
1057 // zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1058 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1059 scene = (void *) (pheader->lump_scenes.start + pbase);
1060 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1061 for (i = 0;i < pheader->numscenes;i++)
1063 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1064 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1065 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1066 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1067 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1068 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1069 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
1070 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1071 Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1072 if (loadmodel->animscenes[i].framerate < 0)
1073 Host_Error("Mod_LoadZymoticModel: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
1081 // zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1082 loadmodel->zymdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1083 poses = (void *) (pheader->lump_poses.start + pbase);
1084 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1085 loadmodel->zymdata_poses[i] = BigFloat(poses[i]);
1091 // zymlump_t lump_bones; // zymbone_t bone[numbones];
1092 loadmodel->zymdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(zymbone_t));
1093 bone = (void *) (pheader->lump_bones.start + pbase);
1094 for (i = 0;i < pheader->numbones;i++)
1096 memcpy(loadmodel->zymdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1097 loadmodel->zymdata_bones[i].flags = BigLong(bone[i].flags);
1098 loadmodel->zymdata_bones[i].parent = BigLong(bone[i].parent);
1099 if (loadmodel->zymdata_bones[i].parent >= i)
1100 Host_Error("Mod_LoadZymoticModel: bone[%i].parent >= %i in %s\n", i, i, loadmodel->name);
1106 // zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1107 loadmodel->zymdata_vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1108 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1109 for (i = 0;i < pheader->numverts;i++)
1111 loadmodel->zymdata_vertbonecounts[i] = BigLong(bonecount[i]);
1112 if (loadmodel->zymdata_vertbonecounts[i] < 1)
1113 Host_Error("Mod_LoadZymoticModel: bone vertex count < 1 in %s\n", loadmodel->name);
1119 zymvertex_t *vertdata;
1120 // zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1121 loadmodel->zymdata_verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1122 vertdata = (void *) (pheader->lump_verts.start + pbase);
1123 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1125 loadmodel->zymdata_verts[i].bonenum = BigLong(vertdata[i].bonenum);
1126 loadmodel->zymdata_verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1127 loadmodel->zymdata_verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1128 loadmodel->zymdata_verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1134 float *intexcoord, *outtexcoord;
1135 // zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1136 loadmodel->zymdata_texcoords = outtexcoord = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[4]));
1137 intexcoord = (void *) (pheader->lump_texcoords.start + pbase);
1138 for (i = 0;i < pheader->numverts;i++)
1140 outtexcoord[i*4+0] = BigFloat(intexcoord[i*2+0]);
1141 // flip T coordinate for OpenGL
1142 outtexcoord[i*4+1] = 1 - BigFloat(intexcoord[i*2+1]);
1147 int i, count, *renderlist, *renderlistend, *outrenderlist;
1148 // 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)
1149 loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, pheader->lump_render.length);
1150 // byteswap, validate, and swap winding order of tris
1151 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1152 if (pheader->lump_render.length != count)
1153 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);
1154 outrenderlist = loadmodel->zymdata_renderlist = Mem_Alloc(loadmodel->mempool, count);
1155 renderlist = (void *) (pheader->lump_render.start + pbase);
1156 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1157 for (i = 0;i < pheader->numshaders;i++)
1159 if (renderlist >= renderlistend)
1160 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1161 count = BigLong(*renderlist);renderlist++;
1162 if (renderlist + count * 3 > renderlistend)
1163 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
1164 *outrenderlist++ = count;
1167 outrenderlist[2] = BigLong(renderlist[0]);
1168 outrenderlist[1] = BigLong(renderlist[1]);
1169 outrenderlist[0] = BigLong(renderlist[2]);
1170 if ((unsigned int)outrenderlist[0] >= (unsigned int)pheader->numverts
1171 || (unsigned int)outrenderlist[1] >= (unsigned int)pheader->numverts
1172 || (unsigned int)outrenderlist[2] >= (unsigned int)pheader->numverts)
1173 Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
1183 // zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1184 loadmodel->zymdata_textures = Mem_Alloc(loadmodel->mempool, pheader->numshaders * sizeof(rtexture_t *));
1185 shadername = (void *) (pheader->lump_shaders.start + pbase);
1186 for (i = 0;i < pheader->numshaders;i++)
1187 loadmodel->zymdata_textures[i] = loadtextureimage(loadmodel->texturepool, shadername + i * 32, 0, 0, true, TEXF_ALPHA | TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0));
1191 // zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1192 loadmodel->zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1193 memcpy(loadmodel->zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);