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.
25 void Mod_AliasInit (void)
29 void Mod_Alias_GetMesh_Vertex3f(const model_t *model, const frameblend_t *frameblend, const aliasmesh_t *mesh, float *out3f)
31 if (mesh->num_vertexboneweights)
34 aliasvertexboneweight_t *v;
35 float *out, *matrix, m[12], bonepose[256][12];
36 // vertex weighted skeletal
37 // interpolate matrices and concatenate them to their parents
38 for (i = 0;i < model->alias.aliasnum_bones;i++)
40 for (k = 0;k < 12;k++)
42 for (blends = 0;blends < 4 && frameblend[blends].lerp > 0;blends++)
44 matrix = model->alias.aliasdata_poses + (frameblend[blends].frame * model->alias.aliasnum_bones + i) * 12;
45 for (k = 0;k < 12;k++)
46 m[k] += matrix[k] * frameblend[blends].lerp;
48 if (model->alias.aliasdata_bones[i].parent >= 0)
49 R_ConcatTransforms(bonepose[model->alias.aliasdata_bones[i].parent], m, bonepose[i]);
51 for (k = 0;k < 12;k++)
52 bonepose[i][k] = m[k];
54 // blend the vertex bone weights
55 memset(out3f, 0, mesh->num_vertices * sizeof(float[3]));
56 v = mesh->data_vertexboneweights;
57 for (i = 0;i < mesh->num_vertexboneweights;i++, v++)
59 out = out3f + v->vertexindex * 3;
60 matrix = bonepose[v->boneindex];
61 // FIXME: this can very easily be optimized with SSE or 3DNow
62 out[0] += v->origin[0] * matrix[0] + v->origin[1] * matrix[1] + v->origin[2] * matrix[ 2] + v->origin[3] * matrix[ 3];
63 out[1] += v->origin[0] * matrix[4] + v->origin[1] * matrix[5] + v->origin[2] * matrix[ 6] + v->origin[3] * matrix[ 7];
64 out[2] += v->origin[0] * matrix[8] + v->origin[1] * matrix[9] + v->origin[2] * matrix[10] + v->origin[3] * matrix[11];
70 float lerp1, lerp2, lerp3, lerp4;
71 const float *vertsbase, *verts1, *verts2, *verts3, *verts4;
73 vertsbase = mesh->data_morphvertex3f;
74 vertcount = mesh->num_vertices;
75 verts1 = vertsbase + frameblend[0].frame * vertcount * 3;
76 lerp1 = frameblend[0].lerp;
77 if (frameblend[1].lerp)
79 verts2 = vertsbase + frameblend[1].frame * vertcount * 3;
80 lerp2 = frameblend[1].lerp;
81 if (frameblend[2].lerp)
83 verts3 = vertsbase + frameblend[2].frame * vertcount * 3;
84 lerp3 = frameblend[2].lerp;
85 if (frameblend[3].lerp)
87 verts4 = vertsbase + frameblend[3].frame * vertcount * 3;
88 lerp4 = frameblend[3].lerp;
89 for (i = 0;i < vertcount * 3;i++)
90 VectorMAMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, lerp4, verts4 + i, out3f + i);
93 for (i = 0;i < vertcount * 3;i++)
94 VectorMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, out3f + i);
97 for (i = 0;i < vertcount * 3;i++)
98 VectorMAM(lerp1, verts1 + i, lerp2, verts2 + i, out3f + i);
101 memcpy(out3f, verts1, vertcount * sizeof(float[3]));
105 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
107 const float *boneframe;
108 float tempbonematrix[12], bonematrix[12];
109 Matrix4x4_CreateIdentity(outmatrix);
110 if (model->alias.aliasnum_bones)
112 if (tagindex < 0 || tagindex >= model->alias.aliasnum_bones)
114 if (poseframe >= model->alias.aliasnum_poses)
116 boneframe = model->alias.aliasdata_poses + poseframe * model->alias.aliasnum_bones * 12;
117 memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
118 while (model->alias.aliasdata_bones[tagindex].parent >= 0)
120 memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
121 R_ConcatTransforms(boneframe + model->alias.aliasdata_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
122 tagindex = model->alias.aliasdata_bones[tagindex].parent;
124 outmatrix->m[0][0] = bonematrix[0];
125 outmatrix->m[0][1] = bonematrix[1];
126 outmatrix->m[0][2] = bonematrix[2];
127 outmatrix->m[0][3] = bonematrix[3];
128 outmatrix->m[1][0] = bonematrix[4];
129 outmatrix->m[1][1] = bonematrix[5];
130 outmatrix->m[1][2] = bonematrix[6];
131 outmatrix->m[1][3] = bonematrix[7];
132 outmatrix->m[2][0] = bonematrix[8];
133 outmatrix->m[2][1] = bonematrix[9];
134 outmatrix->m[2][2] = bonematrix[10];
135 outmatrix->m[2][3] = bonematrix[11];
136 outmatrix->m[3][0] = 0;
137 outmatrix->m[3][1] = 0;
138 outmatrix->m[3][2] = 0;
139 outmatrix->m[3][3] = 1;
141 else if (model->alias.aliasnum_tags)
143 if (tagindex < 0 || tagindex >= model->alias.aliasnum_tags)
145 if (poseframe >= model->alias.aliasnum_tagframes)
147 *outmatrix = model->alias.aliasdata_tags[poseframe * model->alias.aliasnum_tags + tagindex].matrix;
152 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
155 if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
156 for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
157 if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
159 if (model->alias.aliasnum_bones)
160 for (i = 0;i < model->alias.aliasnum_bones;i++)
161 if (!strcasecmp(tagname, model->alias.aliasdata_bones[i].name))
163 if (model->alias.aliasnum_tags)
164 for (i = 0;i < model->alias.aliasnum_tags;i++)
165 if (!strcasecmp(tagname, model->alias.aliasdata_tags[i].name))
170 static void Mod_Alias_Mesh_CompileFrameZero(aliasmesh_t *mesh)
172 frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
173 mesh->data_basevertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[3][4]));
174 mesh->data_basesvector3f = mesh->data_basevertex3f + mesh->num_vertices * 3;
175 mesh->data_basetvector3f = mesh->data_basevertex3f + mesh->num_vertices * 6;
176 mesh->data_basenormal3f = mesh->data_basevertex3f + mesh->num_vertices * 9;
177 Mod_Alias_GetMesh_Vertex3f(loadmodel, frameblend, mesh, mesh->data_basevertex3f);
178 Mod_BuildTextureVectorsAndNormals(0, mesh->num_vertices, mesh->num_triangles, mesh->data_basevertex3f, mesh->data_texcoord2f, mesh->data_element3i, mesh->data_basesvector3f, mesh->data_basetvector3f, mesh->data_basenormal3f);
181 static void Mod_MDLMD2MD3_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
184 float segmentmins[3], segmentmaxs[3];
185 colbrushf_t *thisbrush_start, *thisbrush_end;
186 matrix4x4_t startmatrix, endmatrix;
187 memset(trace, 0, sizeof(*trace));
189 trace->realfraction = 1;
190 trace->hitsupercontentsmask = hitsupercontentsmask;
191 segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
192 segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
193 segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
194 segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
195 segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
196 segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
197 if (VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
200 for (i = 0;i < model->alias.aliasnum_meshes;i++)
203 if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_morphframes)
205 if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
206 Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
208 // FIXME!!! this needs to handle skeletal!
213 // box trace, performed as brush trace
214 Matrix4x4_CreateIdentity(&startmatrix);
215 Matrix4x4_CreateIdentity(&endmatrix);
216 thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
217 thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
218 for (i = 0;i < model->alias.aliasnum_meshes;i++)
221 if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_morphframes)
223 if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
224 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
226 // FIXME!!! this needs to handle skeletal!
231 static void Mod_CalcAliasModelBBoxes (void)
234 float dist, yawradius, radius;
237 VectorClear(loadmodel->normalmins);
238 VectorClear(loadmodel->normalmaxs);
241 for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
243 for (vnum = 0, v = mesh->data_morphvertex3f;vnum < mesh->num_vertices * mesh->num_morphframes;vnum++, v += 3)
245 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
246 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
247 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
248 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
249 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
250 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
251 dist = v[0] * v[0] + v[1] * v[1];
252 if (yawradius < dist)
259 radius = sqrt(radius);
260 yawradius = sqrt(yawradius);
261 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
262 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
263 loadmodel->yawmins[2] = loadmodel->normalmins[2];
264 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
265 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
266 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
267 loadmodel->radius = radius;
268 loadmodel->radius2 = radius * radius;
271 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
275 for (i = 0;i < inverts;i++)
277 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
279 temp[0] = v[i].v[0] * scale[0] + translate[0];
280 temp[1] = v[i].v[1] * scale[1] + translate[1];
281 temp[2] = v[i].v[2] * scale[2] + translate[2];
282 j = vertremap[i]; // not onseam
284 VectorCopy(temp, out3f + j * 3);
285 j = vertremap[i+inverts]; // onseam
287 VectorCopy(temp, out3f + j * 3);
291 static void Mod_MDL_LoadFrames (qbyte* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
293 int i, f, pose, groupframes;
295 daliasframetype_t *pframetype;
296 daliasframe_t *pinframe;
297 daliasgroup_t *group;
298 daliasinterval_t *intervals;
301 scene = loadmodel->animscenes;
302 for (f = 0;f < loadmodel->numframes;f++)
304 pframetype = (daliasframetype_t *)datapointer;
305 datapointer += sizeof(daliasframetype_t);
306 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
308 // a single frame is still treated as a group
315 group = (daliasgroup_t *)datapointer;
316 datapointer += sizeof(daliasgroup_t);
317 groupframes = LittleLong (group->numframes);
319 // intervals (time per frame)
320 intervals = (daliasinterval_t *)datapointer;
321 datapointer += sizeof(daliasinterval_t) * groupframes;
323 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
324 if (interval < 0.01f)
326 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
331 // get scene name from first frame
332 pinframe = (daliasframe_t *)datapointer;
334 strcpy(scene->name, pinframe->name);
335 scene->firstframe = pose;
336 scene->framecount = groupframes;
337 scene->framerate = 1.0f / interval;
342 for (i = 0;i < groupframes;i++)
344 pinframe = (daliasframe_t *)datapointer;
345 datapointer += sizeof(daliasframe_t);
346 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->alias.aliasdata_meshes->data_morphvertex3f + pose * loadmodel->alias.aliasdata_meshes->num_vertices * 3, vertremap);
347 datapointer += sizeof(trivertx_t) * inverts;
353 static skinframe_t missingskinframe;
354 static void Mod_BuildAliasSkinFromSkinFrame(texture_t *skin, skinframe_t *skinframe)
357 if (skinframe == NULL)
359 skinframe = &missingskinframe;
360 memset(skinframe, 0, sizeof(*skinframe));
361 skinframe->base = r_texture_notexture;
364 skin->skin = *skinframe;
367 static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
370 skinfileitem_t *skinfileitem;
371 skinframe_t tempskinframe;
374 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin++)
376 memset(skin, 0, sizeof(*skin));
377 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
379 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
380 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
382 memset(&tempskinframe, 0, sizeof(tempskinframe));
383 if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
384 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
387 Con_Printf("mesh \"%s\": failed to load skin #%i \"%s\", falling back to mesh's internal shader name \"%s\"\n", meshname, i, skinfileitem->replacement, shadername);
388 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
389 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
392 Con_Printf("failed to load skin \"%s\"\n", shadername);
393 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
402 memset(&tempskinframe, 0, sizeof(tempskinframe));
403 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
404 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
407 Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
408 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
413 #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);
414 #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);
415 extern void R_Model_Alias_Draw(entity_render_t *ent);
416 extern void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
417 extern void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int numsurfaces, const int *surfacelist);
418 void Mod_IDP0_Load(model_t *mod, void *buffer)
420 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
421 float scales, scalet, scale[3], translate[3], interval;
423 stvert_t *pinstverts;
424 dtriangle_t *pintriangles;
425 daliasskintype_t *pinskintype;
426 daliasskingroup_t *pinskingroup;
427 daliasskininterval_t *pinskinintervals;
428 daliasframetype_t *pinframetype;
429 daliasgroup_t *pinframegroup;
430 qbyte *datapointer, *startframes, *startskins;
431 char name[MAX_QPATH];
432 skinframe_t tempskinframe;
433 animscene_t *tempskinscenes;
434 texture_t *tempaliasskins;
436 int *vertonseam, *vertremap;
437 skinfile_t *skinfiles;
439 datapointer = buffer;
440 pinmodel = (mdl_t *)datapointer;
441 datapointer += sizeof(mdl_t);
443 version = LittleLong (pinmodel->version);
444 if (version != ALIAS_VERSION)
445 Host_Error ("%s has wrong version number (%i should be %i)",
446 loadmodel->name, version, ALIAS_VERSION);
448 loadmodel->type = mod_alias;
449 loadmodel->DrawSky = NULL;
450 loadmodel->Draw = R_Model_Alias_Draw;
451 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
452 loadmodel->DrawLight = R_Model_Alias_DrawLight;
453 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
455 loadmodel->alias.aliasnum_meshes = 1;
456 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
458 loadmodel->numskins = LittleLong(pinmodel->numskins);
459 BOUNDI(loadmodel->numskins,0,65536);
460 skinwidth = LittleLong (pinmodel->skinwidth);
461 BOUNDI(skinwidth,0,65536);
462 skinheight = LittleLong (pinmodel->skinheight);
463 BOUNDI(skinheight,0,65536);
464 numverts = LittleLong(pinmodel->numverts);
465 BOUNDI(numverts,0,65536);
466 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
467 BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536);
468 loadmodel->numframes = LittleLong(pinmodel->numframes);
469 BOUNDI(loadmodel->numframes,0,65536);
470 loadmodel->synctype = LittleLong (pinmodel->synctype);
471 BOUNDI(loadmodel->synctype,0,2);
472 loadmodel->flags = LittleLong (pinmodel->flags);
474 for (i = 0;i < 3;i++)
476 scale[i] = LittleFloat (pinmodel->scale[i]);
477 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
480 startskins = datapointer;
482 for (i = 0;i < loadmodel->numskins;i++)
484 pinskintype = (daliasskintype_t *)datapointer;
485 datapointer += sizeof(daliasskintype_t);
486 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
490 pinskingroup = (daliasskingroup_t *)datapointer;
491 datapointer += sizeof(daliasskingroup_t);
492 groupskins = LittleLong(pinskingroup->numskins);
493 datapointer += sizeof(daliasskininterval_t) * groupskins;
496 for (j = 0;j < groupskins;j++)
498 datapointer += skinwidth * skinheight;
503 pinstverts = (stvert_t *)datapointer;
504 datapointer += sizeof(stvert_t) * numverts;
506 pintriangles = (dtriangle_t *)datapointer;
507 datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
509 startframes = datapointer;
510 loadmodel->alias.aliasdata_meshes->num_morphframes = 0;
511 for (i = 0;i < loadmodel->numframes;i++)
513 pinframetype = (daliasframetype_t *)datapointer;
514 datapointer += sizeof(daliasframetype_t);
515 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
519 pinframegroup = (daliasgroup_t *)datapointer;
520 datapointer += sizeof(daliasgroup_t);
521 groupframes = LittleLong(pinframegroup->numframes);
522 datapointer += sizeof(daliasinterval_t) * groupframes;
525 for (j = 0;j < groupframes;j++)
527 datapointer += sizeof(daliasframe_t);
528 datapointer += sizeof(trivertx_t) * numverts;
529 loadmodel->alias.aliasdata_meshes->num_morphframes++;
533 // store texture coordinates into temporary array, they will be stored
534 // after usage is determined (triangle data)
535 vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
536 vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
537 vertonseam = vertremap + numverts * 2;
539 scales = 1.0 / skinwidth;
540 scalet = 1.0 / skinheight;
541 for (i = 0;i < numverts;i++)
543 vertonseam[i] = LittleLong(pinstverts[i].onseam);
544 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
545 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
546 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
547 vertst[(i+numverts)*2+1] = vertst[i*2+1];
550 // load triangle data
551 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
553 // read the triangle elements
554 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
555 for (j = 0;j < 3;j++)
556 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
557 // validate (note numverts is used because this is the original data)
558 Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
559 // now butcher the elements according to vertonseam and tri->facesfront
560 // and then compact the vertex set to remove duplicates
561 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
562 if (!LittleLong(pintriangles[i].facesfront)) // backface
563 for (j = 0;j < 3;j++)
564 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
565 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
567 // (this uses vertremap to count usage to save some memory)
568 for (i = 0;i < numverts*2;i++)
570 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
571 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
572 // build remapping table and compact array
573 loadmodel->alias.aliasdata_meshes->num_vertices = 0;
574 for (i = 0;i < numverts*2;i++)
578 vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
579 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
580 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
581 loadmodel->alias.aliasdata_meshes->num_vertices++;
584 vertremap[i] = -1; // not used at all
586 // remap the elements to the new vertex set
587 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
588 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
589 // store the texture coordinates
590 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
591 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
593 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
594 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
598 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
599 loadmodel->alias.aliasdata_meshes->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * loadmodel->alias.aliasdata_meshes->num_morphframes * loadmodel->alias.aliasdata_meshes->num_vertices);
600 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
601 Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
602 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
603 Mod_CalcAliasModelBBoxes();
604 Mod_Alias_Mesh_CompileFrameZero(loadmodel->alias.aliasdata_meshes);
610 if ((skinfiles = Mod_LoadSkinFiles()))
612 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
613 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
614 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
615 Mod_FreeSkinFiles(skinfiles);
616 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
617 for (i = 0;i < loadmodel->numskins;i++)
619 loadmodel->skinscenes[i].firstframe = i;
620 loadmodel->skinscenes[i].framecount = 1;
621 loadmodel->skinscenes[i].loop = true;
622 loadmodel->skinscenes[i].framerate = 10;
627 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
628 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
629 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
631 datapointer = startskins;
632 for (i = 0;i < loadmodel->numskins;i++)
634 pinskintype = (daliasskintype_t *)datapointer;
635 datapointer += sizeof(daliasskintype_t);
637 if (pinskintype->type == ALIAS_SKIN_SINGLE)
644 pinskingroup = (daliasskingroup_t *)datapointer;
645 datapointer += sizeof(daliasskingroup_t);
647 groupskins = LittleLong (pinskingroup->numskins);
649 pinskinintervals = (daliasskininterval_t *)datapointer;
650 datapointer += sizeof(daliasskininterval_t) * groupskins;
652 interval = LittleFloat(pinskinintervals[0].interval);
653 if (interval < 0.01f)
655 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
660 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
661 loadmodel->skinscenes[i].firstframe = totalskins;
662 loadmodel->skinscenes[i].framecount = groupskins;
663 loadmodel->skinscenes[i].framerate = 1.0f / interval;
664 loadmodel->skinscenes[i].loop = true;
666 for (j = 0;j < groupskins;j++)
669 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
671 sprintf (name, "%s_%i", loadmodel->name, i);
672 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, true))
673 Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, r_fullbrights.integer, (qbyte *)datapointer, skinwidth, skinheight);
674 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
675 datapointer += skinwidth * skinheight;
679 // check for skins that don't exist in the model, but do exist as external images
680 // (this was added because yummyluv kept pestering me about support for it)
681 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, true))
683 // expand the arrays to make room
684 tempskinscenes = loadmodel->skinscenes;
685 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
686 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
687 Mem_Free(tempskinscenes);
689 tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
690 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(texture_t));
691 memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(texture_t));
692 Mem_Free(tempaliasskins);
694 // store the info about the new skin
695 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
696 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
697 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
698 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
699 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
700 loadmodel->skinscenes[loadmodel->numskins].loop = true;
702 //increase skin counts
703 loadmodel->alias.aliasdata_meshes->num_skins++;
704 loadmodel->numskins++;
710 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
714 for (i = 0;i < numverts;i++, out3f += 3)
716 in = v + vertremap[i];
717 out3f[0] = in->v[0] * scale[0] + translate[0];
718 out3f[1] = in->v[1] * scale[1] + translate[1];
719 out3f[2] = in->v[2] * scale[2] + translate[2];
723 void Mod_IDP2_Load(model_t *mod, void *buffer)
725 int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
726 float *stverts, s, t, scale[3], translate[3];
728 qbyte *base, *datapointer;
729 md2frame_t *pinframe;
731 md2triangle_t *intri;
732 unsigned short *inst;
735 struct md2verthash_s *next;
739 *hash, **md2verthash, *md2verthashdata;
740 skinframe_t tempskinframe;
741 skinfile_t *skinfiles;
746 version = LittleLong (pinmodel->version);
747 if (version != MD2ALIAS_VERSION)
748 Host_Error ("%s has wrong version number (%i should be %i)",
749 loadmodel->name, version, MD2ALIAS_VERSION);
751 loadmodel->type = mod_alias;
752 loadmodel->DrawSky = NULL;
753 loadmodel->Draw = R_Model_Alias_Draw;
754 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
755 loadmodel->DrawLight = R_Model_Alias_DrawLight;
756 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
758 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
759 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
760 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
761 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
762 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
763 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
764 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
765 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
767 end = LittleLong(pinmodel->ofs_end);
768 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
769 Host_Error ("%s is not a valid model", loadmodel->name);
770 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
771 Host_Error ("%s is not a valid model", loadmodel->name);
772 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
773 Host_Error ("%s is not a valid model", loadmodel->name);
774 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
775 Host_Error ("%s is not a valid model", loadmodel->name);
776 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
777 Host_Error ("%s is not a valid model", loadmodel->name);
779 loadmodel->alias.aliasnum_meshes = 1;
780 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
782 loadmodel->numskins = LittleLong(pinmodel->num_skins);
783 numxyz = LittleLong(pinmodel->num_xyz);
784 numst = LittleLong(pinmodel->num_st);
785 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
786 loadmodel->numframes = LittleLong(pinmodel->num_frames);
787 loadmodel->alias.aliasdata_meshes->num_morphframes = loadmodel->numframes;
788 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
790 loadmodel->flags = 0; // there are no MD2 flags
791 loadmodel->synctype = ST_RAND;
794 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
795 if ((skinfiles = Mod_LoadSkinFiles()))
797 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
798 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
799 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
800 Mod_FreeSkinFiles(skinfiles);
802 else if (loadmodel->numskins)
804 // skins found (most likely not a player model)
805 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
806 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
807 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
809 if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
810 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
813 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
814 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, NULL);
820 // no skins (most likely a player model)
821 loadmodel->numskins = 1;
822 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
823 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
824 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins, NULL);
827 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
828 for (i = 0;i < loadmodel->numskins;i++)
830 loadmodel->skinscenes[i].firstframe = i;
831 loadmodel->skinscenes[i].framecount = 1;
832 loadmodel->skinscenes[i].loop = true;
833 loadmodel->skinscenes[i].framerate = 10;
836 // load the triangles and stvert data
837 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
838 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
839 skinwidth = LittleLong(pinmodel->skinwidth);
840 skinheight = LittleLong(pinmodel->skinheight);
842 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
843 s = 1.0f / skinwidth;
844 t = 1.0f / skinheight;
845 for (i = 0;i < numst;i++)
847 j = (unsigned short) LittleShort(inst[i*2+0]);
848 k = (unsigned short) LittleShort(inst[i*2+1]);
849 if (j >= skinwidth || k >= skinheight)
851 Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, j, k, i);
855 stverts[i*2+0] = j * s;
856 stverts[i*2+1] = k * t;
859 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
860 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
861 // swap the triangle list
863 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
864 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
866 for (j = 0;j < 3;j++)
868 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
869 st = (unsigned short) LittleShort (intri[i].index_st[j]);
872 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
877 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
882 hashindex = (xyz * 17 + st) & 255;
883 for (hash = md2verthash[hashindex];hash;hash = hash->next)
884 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
888 hash = md2verthashdata + num++;
892 hash->next = md2verthash[hashindex];
893 md2verthash[hashindex] = hash;
895 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
902 loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
903 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
904 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
905 for (i = 0;i < num;i++)
907 hash = md2verthashdata + i;
908 vertremap[i] = hash->xyz;
909 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
910 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
913 Mem_Free(md2verthash);
914 Mem_Free(md2verthashdata);
917 datapointer = (base + LittleLong(pinmodel->ofs_frames));
918 loadmodel->alias.aliasdata_meshes->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_morphframes * sizeof(float[3]));
919 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_morphframes;i++)
921 pinframe = (md2frame_t *)datapointer;
922 datapointer += sizeof(md2frame_t);
923 for (j = 0;j < 3;j++)
925 scale[j] = LittleFloat(pinframe->scale[j]);
926 translate[j] = LittleFloat(pinframe->translate[j]);
928 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_morphvertex3f + i * numverts * 3, numverts, vertremap);
929 datapointer += numxyz * sizeof(trivertx_t);
931 strcpy(loadmodel->animscenes[i].name, pinframe->name);
932 loadmodel->animscenes[i].firstframe = i;
933 loadmodel->animscenes[i].framecount = 1;
934 loadmodel->animscenes[i].framerate = 10;
935 loadmodel->animscenes[i].loop = true;
940 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
941 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
942 Mod_CalcAliasModelBBoxes();
943 Mod_Alias_Mesh_CompileFrameZero(loadmodel->alias.aliasdata_meshes);
946 void Mod_IDP3_Load(model_t *mod, void *buffer)
948 int i, j, k, version;
949 md3modelheader_t *pinmodel;
950 md3frameinfo_t *pinframe;
954 skinfile_t *skinfiles;
958 if (memcmp(pinmodel->identifier, "IDP3", 4))
959 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
960 version = LittleLong (pinmodel->version);
961 if (version != MD3VERSION)
962 Host_Error ("%s has wrong version number (%i should be %i)",
963 loadmodel->name, version, MD3VERSION);
965 skinfiles = Mod_LoadSkinFiles();
966 if (loadmodel->numskins < 1)
967 loadmodel->numskins = 1;
969 loadmodel->type = mod_alias;
970 loadmodel->DrawSky = NULL;
971 loadmodel->Draw = R_Model_Alias_Draw;
972 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
973 loadmodel->DrawLight = R_Model_Alias_DrawLight;
974 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
975 loadmodel->flags = LittleLong(pinmodel->flags);
976 loadmodel->synctype = ST_RAND;
978 // set up some global info about the model
979 loadmodel->numframes = LittleLong(pinmodel->num_frames);
980 loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
982 // make skinscenes for the skins (no groups)
983 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
984 for (i = 0;i < loadmodel->numskins;i++)
986 loadmodel->skinscenes[i].firstframe = i;
987 loadmodel->skinscenes[i].framecount = 1;
988 loadmodel->skinscenes[i].loop = true;
989 loadmodel->skinscenes[i].framerate = 10;
993 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
994 for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
996 strcpy(loadmodel->animscenes[i].name, pinframe->name);
997 loadmodel->animscenes[i].firstframe = i;
998 loadmodel->animscenes[i].framecount = 1;
999 loadmodel->animscenes[i].framerate = 10;
1000 loadmodel->animscenes[i].loop = true;
1004 loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
1005 loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
1006 loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
1007 for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
1009 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
1010 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
1011 for (j = 0;j < 3;j++)
1013 for (k = 0;k < 3;k++)
1014 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
1015 loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
1017 //Con_Printf("model \"%s\" frame #%i tag #%i \"%s\"\n", loadmodel->name, i / loadmodel->alias.aliasnum_tags, i % loadmodel->alias.aliasnum_tags, loadmodel->alias.aliasdata_tags[i].name);
1021 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
1022 for (i = 0, pinmesh = (md3mesh_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->alias.aliasnum_meshes;i++, pinmesh = (md3mesh_t *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_end)))
1024 if (memcmp(pinmesh->identifier, "IDP3", 4))
1025 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
1026 mesh = loadmodel->alias.aliasdata_meshes + i;
1027 mesh->num_skins = loadmodel->numskins;
1028 mesh->num_morphframes = LittleLong(pinmesh->num_frames);
1029 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
1030 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
1031 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(texture_t));
1032 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1033 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1034 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1035 mesh->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_morphframes * sizeof(float[3]));
1036 for (j = 0;j < mesh->num_triangles * 3;j++)
1037 mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1038 for (j = 0;j < mesh->num_vertices;j++)
1040 mesh->data_texcoord2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1041 mesh->data_texcoord2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1043 for (j = 0;j < mesh->num_vertices * mesh->num_morphframes;j++)
1045 mesh->data_morphvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 0]) * (1.0f / 64.0f);
1046 mesh->data_morphvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 1]) * (1.0f / 64.0f);
1047 mesh->data_morphvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 2]) * (1.0f / 64.0f);
1050 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1051 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1052 Mod_Alias_Mesh_CompileFrameZero(mesh);
1054 if (LittleLong(pinmesh->num_shaders) >= 1)
1055 Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1057 for (j = 0;j < mesh->num_skins;j++)
1058 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
1060 Mod_CalcAliasModelBBoxes();
1061 Mod_FreeSkinFiles(skinfiles);
1064 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
1066 zymtype1header_t *pinmodel, *pheader;
1068 int i, j, k, l, numposes, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements, *remapvertices;
1069 float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f;
1070 zymvertex_t *verts, *vertdata;
1074 skinfile_t *skinfiles;
1077 pinmodel = (void *)buffer;
1079 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1080 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
1081 if (BigLong(pinmodel->type) != 1)
1082 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
1084 loadmodel->type = mod_alias;
1085 loadmodel->DrawSky = NULL;
1086 loadmodel->Draw = R_Model_Alias_Draw;
1087 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
1088 loadmodel->DrawLight = R_Model_Alias_DrawLight;
1089 //loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox; // FIXME: implement collisions
1090 loadmodel->flags = 0; // there are no flags on zym models
1091 loadmodel->synctype = ST_RAND;
1095 pheader->type = BigLong(pinmodel->type);
1096 pheader->filesize = BigLong(pinmodel->filesize);
1097 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1098 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1099 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1100 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1101 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1102 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1103 pheader->radius = BigFloat(pinmodel->radius);
1104 pheader->numverts = BigLong(pinmodel->numverts);
1105 pheader->numtris = BigLong(pinmodel->numtris);
1106 pheader->numshaders = BigLong(pinmodel->numshaders);
1107 pheader->numbones = BigLong(pinmodel->numbones);
1108 pheader->numscenes = BigLong(pinmodel->numscenes);
1109 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1110 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1111 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1112 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1113 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1114 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1115 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1116 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1117 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1118 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1119 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1120 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1121 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1122 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1123 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1124 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1125 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1126 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1128 loadmodel->numframes = pheader->numscenes;
1129 loadmodel->alias.aliasnum_meshes = pheader->numshaders;
1131 skinfiles = Mod_LoadSkinFiles();
1132 if (loadmodel->numskins < 1)
1133 loadmodel->numskins = 1;
1135 // make skinscenes for the skins (no groups)
1136 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1137 for (i = 0;i < loadmodel->numskins;i++)
1139 loadmodel->skinscenes[i].firstframe = i;
1140 loadmodel->skinscenes[i].framecount = 1;
1141 loadmodel->skinscenes[i].loop = true;
1142 loadmodel->skinscenes[i].framerate = 10;
1146 modelradius = pheader->radius;
1147 for (i = 0;i < 3;i++)
1149 loadmodel->normalmins[i] = pheader->mins[i];
1150 loadmodel->normalmaxs[i] = pheader->maxs[i];
1151 loadmodel->rotatedmins[i] = -modelradius;
1152 loadmodel->rotatedmaxs[i] = modelradius;
1154 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1155 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1156 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1157 if (loadmodel->yawmaxs[0] > modelradius)
1158 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1159 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1160 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1161 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1162 loadmodel->radius = modelradius;
1163 loadmodel->radius2 = modelradius * modelradius;
1165 // go through the lumps, swapping things
1167 //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1168 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1169 scene = (void *) (pheader->lump_scenes.start + pbase);
1170 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1171 for (i = 0;i < pheader->numscenes;i++)
1173 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1174 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1175 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1176 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1177 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1178 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1179 Host_Error("%s scene->firstframe (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1180 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1181 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1182 if (loadmodel->animscenes[i].framerate < 0)
1183 Host_Error("%s scene->framerate (%f) < 0\n", loadmodel->name, loadmodel->animscenes[i].framerate);
1187 //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1188 loadmodel->alias.aliasnum_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1189 loadmodel->alias.aliasdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1190 poses = (void *) (pheader->lump_poses.start + pbase);
1191 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1192 loadmodel->alias.aliasdata_poses[i] = BigFloat(poses[i]);
1194 //zymlump_t lump_bones; // zymbone_t bone[numbones];
1195 loadmodel->alias.aliasnum_bones = pheader->numbones;
1196 loadmodel->alias.aliasdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1197 bone = (void *) (pheader->lump_bones.start + pbase);
1198 for (i = 0;i < pheader->numbones;i++)
1200 memcpy(loadmodel->alias.aliasdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1201 loadmodel->alias.aliasdata_bones[i].flags = BigLong(bone[i].flags);
1202 loadmodel->alias.aliasdata_bones[i].parent = BigLong(bone[i].parent);
1203 if (loadmodel->alias.aliasdata_bones[i].parent >= i)
1204 Host_Error("%s bone[%i].parent >= %i\n", loadmodel->name, i, i);
1207 //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1208 vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1209 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1210 for (i = 0;i < pheader->numverts;i++)
1212 vertbonecounts[i] = BigLong(bonecount[i]);
1213 if (vertbonecounts[i] < 1)
1214 Host_Error("%s bonecount[%i] < 1\n", loadmodel->name, i);
1217 //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1218 verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1219 vertdata = (void *) (pheader->lump_verts.start + pbase);
1220 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1222 verts[i].bonenum = BigLong(vertdata[i].bonenum);
1223 verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1224 verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1225 verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1228 //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1229 outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1230 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1231 for (i = 0;i < pheader->numverts;i++)
1233 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1234 // flip T coordinate for OpenGL
1235 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1238 //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1239 //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1240 //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1242 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
1244 //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1245 //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)
1246 // byteswap, validate, and swap winding order of tris
1247 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1248 if (pheader->lump_render.length != count)
1249 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1250 renderlist = (void *) (pheader->lump_render.start + pbase);
1251 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1252 for (i = 0;i < loadmodel->alias.aliasnum_meshes;i++)
1254 if (renderlist >= renderlistend)
1255 Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1256 count = BigLong(*renderlist);renderlist++;
1257 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1258 Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1259 mesh = loadmodel->alias.aliasdata_meshes + i;
1260 mesh->num_skins = loadmodel->numskins;
1261 mesh->num_triangles = count;
1262 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(texture_t));
1263 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1264 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1265 outelements = mesh->data_element3i;
1266 for (j = 0;j < mesh->num_triangles;j++)
1268 outelements[2] = BigLong(renderlist[0]);
1269 outelements[1] = BigLong(renderlist[1]);
1270 outelements[0] = BigLong(renderlist[2]);
1271 if ((unsigned int)outelements[0] >= (unsigned int)pheader->numverts
1272 || (unsigned int)outelements[1] >= (unsigned int)pheader->numverts
1273 || (unsigned int)outelements[2] >= (unsigned int)pheader->numverts)
1274 Host_Error("%s corrupt renderlist (out of bounds index)\n", loadmodel->name);
1278 remapvertices = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1279 mesh->num_vertices = Mod_BuildVertexRemapTableFromElements(mesh->num_triangles * 3, mesh->data_element3i, pheader->numverts, remapvertices);
1280 for (j = 0;j < mesh->num_triangles * 3;j++)
1281 mesh->data_element3i[j] = remapvertices[mesh->data_element3i[j]];
1282 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1283 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1284 for (j = 0;j < pheader->numverts;j++)
1286 if (remapvertices[j] >= 0)
1288 mesh->data_texcoord2f[remapvertices[j]*2+0] = outtexcoord2f[j*2+0];
1289 mesh->data_texcoord2f[remapvertices[j]*2+1] = outtexcoord2f[j*2+1];
1292 mesh->num_vertexboneweights = 0;
1293 for (j = 0;j < mesh->num_vertices;j++)
1294 if (remapvertices[j] >= 0)
1295 mesh->num_vertexboneweights += vertbonecounts[remapvertices[j]];
1296 mesh->data_vertexboneweights = Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(aliasvertexboneweight_t));
1297 mesh->num_vertexboneweights = 0;
1298 // note this vertexboneweight ordering requires that the remapvertices array is sequential numbers (separated by -1 values for omitted vertices)
1300 for (j = 0;j < mesh->num_vertices;j++)
1302 if (remapvertices[j] < 0)
1304 l += vertbonecounts[j];
1307 for (k = 0;k < vertbonecounts[j];k++)
1309 // this format really should have had a per vertexweight weight value...
1310 mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = remapvertices[j];
1311 mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = verts[l].bonenum;
1312 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3] = 1.0f / vertbonecounts[j];
1313 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[0] = verts[l].origin[0] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1314 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[1] = verts[l].origin[1] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1315 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[2] = verts[l].origin[2] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1316 mesh->num_vertexboneweights++;
1321 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1322 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1323 Mod_Alias_Mesh_CompileFrameZero(mesh);
1325 // since zym models do not have named sections, reuse their shader
1326 // name as the section name
1327 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1329 Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, shadername, shadername);
1331 for (j = 0;j < mesh->num_skins;j++)
1332 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
1335 Mem_Free(vertbonecounts);
1337 Mem_Free(outtexcoord2f);