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 if (cls.state != ca_dedicated)
388 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);
389 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
390 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
393 if (cls.state != ca_dedicated)
394 Con_Printf("failed to load skin \"%s\"\n", shadername);
395 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
404 memset(&tempskinframe, 0, sizeof(tempskinframe));
405 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
406 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
409 if (cls.state != ca_dedicated)
410 Con_Printf("failed to load mesh \"%s\" shader \"%s\"\n", meshname, shadername);
411 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
416 #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);
417 #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);
418 extern void R_Model_Alias_Draw(entity_render_t *ent);
419 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);
420 extern void R_Model_Alias_DrawLight(entity_render_t *ent, float *lightcolor, int numsurfaces, const int *surfacelist);
421 void Mod_IDP0_Load(model_t *mod, void *buffer)
423 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
424 float scales, scalet, scale[3], translate[3], interval;
426 stvert_t *pinstverts;
427 dtriangle_t *pintriangles;
428 daliasskintype_t *pinskintype;
429 daliasskingroup_t *pinskingroup;
430 daliasskininterval_t *pinskinintervals;
431 daliasframetype_t *pinframetype;
432 daliasgroup_t *pinframegroup;
433 qbyte *datapointer, *startframes, *startskins;
434 char name[MAX_QPATH];
435 skinframe_t tempskinframe;
436 animscene_t *tempskinscenes;
437 texture_t *tempaliasskins;
439 int *vertonseam, *vertremap;
440 skinfile_t *skinfiles;
442 datapointer = buffer;
443 pinmodel = (mdl_t *)datapointer;
444 datapointer += sizeof(mdl_t);
446 version = LittleLong (pinmodel->version);
447 if (version != ALIAS_VERSION)
448 Host_Error ("%s has wrong version number (%i should be %i)",
449 loadmodel->name, version, ALIAS_VERSION);
451 loadmodel->type = mod_alias;
452 loadmodel->DrawSky = NULL;
453 loadmodel->Draw = R_Model_Alias_Draw;
454 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
455 loadmodel->DrawLight = R_Model_Alias_DrawLight;
456 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
458 loadmodel->alias.aliasnum_meshes = 1;
459 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
461 loadmodel->numskins = LittleLong(pinmodel->numskins);
462 BOUNDI(loadmodel->numskins,0,65536);
463 skinwidth = LittleLong (pinmodel->skinwidth);
464 BOUNDI(skinwidth,0,65536);
465 skinheight = LittleLong (pinmodel->skinheight);
466 BOUNDI(skinheight,0,65536);
467 numverts = LittleLong(pinmodel->numverts);
468 BOUNDI(numverts,0,65536);
469 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->numtris);
470 BOUNDI(loadmodel->alias.aliasdata_meshes->num_triangles,0,65536);
471 loadmodel->numframes = LittleLong(pinmodel->numframes);
472 BOUNDI(loadmodel->numframes,0,65536);
473 loadmodel->synctype = LittleLong (pinmodel->synctype);
474 BOUNDI(loadmodel->synctype,0,2);
475 loadmodel->flags = LittleLong (pinmodel->flags);
477 for (i = 0;i < 3;i++)
479 scale[i] = LittleFloat (pinmodel->scale[i]);
480 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
483 startskins = datapointer;
485 for (i = 0;i < loadmodel->numskins;i++)
487 pinskintype = (daliasskintype_t *)datapointer;
488 datapointer += sizeof(daliasskintype_t);
489 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
493 pinskingroup = (daliasskingroup_t *)datapointer;
494 datapointer += sizeof(daliasskingroup_t);
495 groupskins = LittleLong(pinskingroup->numskins);
496 datapointer += sizeof(daliasskininterval_t) * groupskins;
499 for (j = 0;j < groupskins;j++)
501 datapointer += skinwidth * skinheight;
506 pinstverts = (stvert_t *)datapointer;
507 datapointer += sizeof(stvert_t) * numverts;
509 pintriangles = (dtriangle_t *)datapointer;
510 datapointer += sizeof(dtriangle_t) * loadmodel->alias.aliasdata_meshes->num_triangles;
512 startframes = datapointer;
513 loadmodel->alias.aliasdata_meshes->num_morphframes = 0;
514 for (i = 0;i < loadmodel->numframes;i++)
516 pinframetype = (daliasframetype_t *)datapointer;
517 datapointer += sizeof(daliasframetype_t);
518 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
522 pinframegroup = (daliasgroup_t *)datapointer;
523 datapointer += sizeof(daliasgroup_t);
524 groupframes = LittleLong(pinframegroup->numframes);
525 datapointer += sizeof(daliasinterval_t) * groupframes;
528 for (j = 0;j < groupframes;j++)
530 datapointer += sizeof(daliasframe_t);
531 datapointer += sizeof(trivertx_t) * numverts;
532 loadmodel->alias.aliasdata_meshes->num_morphframes++;
536 // store texture coordinates into temporary array, they will be stored
537 // after usage is determined (triangle data)
538 vertst = Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
539 vertremap = Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
540 vertonseam = vertremap + numverts * 2;
542 scales = 1.0 / skinwidth;
543 scalet = 1.0 / skinheight;
544 for (i = 0;i < numverts;i++)
546 vertonseam[i] = LittleLong(pinstverts[i].onseam);
547 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
548 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
549 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
550 vertst[(i+numverts)*2+1] = vertst[i*2+1];
553 // load triangle data
554 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->alias.aliasdata_meshes->num_triangles);
556 // read the triangle elements
557 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
558 for (j = 0;j < 3;j++)
559 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
560 // validate (note numverts is used because this is the original data)
561 Mod_ValidateElements(loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles, numverts, __FILE__, __LINE__);
562 // now butcher the elements according to vertonseam and tri->facesfront
563 // and then compact the vertex set to remove duplicates
564 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
565 if (!LittleLong(pintriangles[i].facesfront)) // backface
566 for (j = 0;j < 3;j++)
567 if (vertonseam[loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j]])
568 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] += numverts;
570 // (this uses vertremap to count usage to save some memory)
571 for (i = 0;i < numverts*2;i++)
573 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles*3;i++)
574 vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]]++;
575 // build remapping table and compact array
576 loadmodel->alias.aliasdata_meshes->num_vertices = 0;
577 for (i = 0;i < numverts*2;i++)
581 vertremap[i] = loadmodel->alias.aliasdata_meshes->num_vertices;
582 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+0] = vertst[i*2+0];
583 vertst[loadmodel->alias.aliasdata_meshes->num_vertices*2+1] = vertst[i*2+1];
584 loadmodel->alias.aliasdata_meshes->num_vertices++;
587 vertremap[i] = -1; // not used at all
589 // remap the elements to the new vertex set
590 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles * 3;i++)
591 loadmodel->alias.aliasdata_meshes->data_element3i[i] = vertremap[loadmodel->alias.aliasdata_meshes->data_element3i[i]];
592 // store the texture coordinates
593 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->alias.aliasdata_meshes->num_vertices);
594 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_vertices;i++)
596 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = vertst[i*2+0];
597 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = vertst[i*2+1];
601 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
602 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);
603 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
604 Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
605 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
606 Mod_CalcAliasModelBBoxes();
607 Mod_Alias_Mesh_CompileFrameZero(loadmodel->alias.aliasdata_meshes);
613 if ((skinfiles = Mod_LoadSkinFiles()))
615 loadmodel->alias.aliasdata_meshes->num_skins = totalskins = loadmodel->numskins;
616 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
617 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
618 Mod_FreeSkinFiles(skinfiles);
619 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
620 for (i = 0;i < loadmodel->numskins;i++)
622 loadmodel->skinscenes[i].firstframe = i;
623 loadmodel->skinscenes[i].framecount = 1;
624 loadmodel->skinscenes[i].loop = true;
625 loadmodel->skinscenes[i].framerate = 10;
630 loadmodel->alias.aliasdata_meshes->num_skins = totalskins;
631 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
632 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
634 datapointer = startskins;
635 for (i = 0;i < loadmodel->numskins;i++)
637 pinskintype = (daliasskintype_t *)datapointer;
638 datapointer += sizeof(daliasskintype_t);
640 if (pinskintype->type == ALIAS_SKIN_SINGLE)
647 pinskingroup = (daliasskingroup_t *)datapointer;
648 datapointer += sizeof(daliasskingroup_t);
650 groupskins = LittleLong (pinskingroup->numskins);
652 pinskinintervals = (daliasskininterval_t *)datapointer;
653 datapointer += sizeof(daliasskininterval_t) * groupskins;
655 interval = LittleFloat(pinskinintervals[0].interval);
656 if (interval < 0.01f)
658 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
663 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
664 loadmodel->skinscenes[i].firstframe = totalskins;
665 loadmodel->skinscenes[i].framecount = groupskins;
666 loadmodel->skinscenes[i].framerate = 1.0f / interval;
667 loadmodel->skinscenes[i].loop = true;
669 for (j = 0;j < groupskins;j++)
672 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
674 sprintf (name, "%s_%i", loadmodel->name, i);
675 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_ALPHA | TEXF_PICMIP, true, false, true))
676 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);
677 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
678 datapointer += skinwidth * skinheight;
682 // check for skins that don't exist in the model, but do exist as external images
683 // (this was added because yummyluv kept pestering me about support for it)
684 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))
686 // expand the arrays to make room
687 tempskinscenes = loadmodel->skinscenes;
688 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
689 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
690 Mem_Free(tempskinscenes);
692 tempaliasskins = loadmodel->alias.aliasdata_meshes->data_skins;
693 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, (totalskins + 1) * sizeof(texture_t));
694 memcpy(loadmodel->alias.aliasdata_meshes->data_skins, tempaliasskins, totalskins * sizeof(texture_t));
695 Mem_Free(tempaliasskins);
697 // store the info about the new skin
698 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + totalskins, &tempskinframe);
699 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
700 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
701 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
702 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
703 loadmodel->skinscenes[loadmodel->numskins].loop = true;
705 //increase skin counts
706 loadmodel->alias.aliasdata_meshes->num_skins++;
707 loadmodel->numskins++;
713 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
717 for (i = 0;i < numverts;i++, out3f += 3)
719 in = v + vertremap[i];
720 out3f[0] = in->v[0] * scale[0] + translate[0];
721 out3f[1] = in->v[1] * scale[1] + translate[1];
722 out3f[2] = in->v[2] * scale[2] + translate[2];
726 void Mod_IDP2_Load(model_t *mod, void *buffer)
728 int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
729 float *stverts, s, t, scale[3], translate[3];
731 qbyte *base, *datapointer;
732 md2frame_t *pinframe;
734 md2triangle_t *intri;
735 unsigned short *inst;
738 struct md2verthash_s *next;
742 *hash, **md2verthash, *md2verthashdata;
743 skinframe_t tempskinframe;
744 skinfile_t *skinfiles;
749 version = LittleLong (pinmodel->version);
750 if (version != MD2ALIAS_VERSION)
751 Host_Error ("%s has wrong version number (%i should be %i)",
752 loadmodel->name, version, MD2ALIAS_VERSION);
754 loadmodel->type = mod_alias;
755 loadmodel->DrawSky = NULL;
756 loadmodel->Draw = R_Model_Alias_Draw;
757 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
758 loadmodel->DrawLight = R_Model_Alias_DrawLight;
759 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
761 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
762 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
763 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
764 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
765 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
766 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
767 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
768 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
770 end = LittleLong(pinmodel->ofs_end);
771 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
772 Host_Error ("%s is not a valid model", loadmodel->name);
773 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
774 Host_Error ("%s is not a valid model", loadmodel->name);
775 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
776 Host_Error ("%s is not a valid model", loadmodel->name);
777 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
778 Host_Error ("%s is not a valid model", loadmodel->name);
779 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
780 Host_Error ("%s is not a valid model", loadmodel->name);
782 loadmodel->alias.aliasnum_meshes = 1;
783 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, sizeof(aliasmesh_t));
785 loadmodel->numskins = LittleLong(pinmodel->num_skins);
786 numxyz = LittleLong(pinmodel->num_xyz);
787 numst = LittleLong(pinmodel->num_st);
788 loadmodel->alias.aliasdata_meshes->num_triangles = LittleLong(pinmodel->num_tris);
789 loadmodel->numframes = LittleLong(pinmodel->num_frames);
790 loadmodel->alias.aliasdata_meshes->num_morphframes = loadmodel->numframes;
791 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
793 loadmodel->flags = 0; // there are no MD2 flags
794 loadmodel->synctype = ST_RAND;
797 inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
798 if ((skinfiles = Mod_LoadSkinFiles()))
800 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
801 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
802 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->alias.aliasdata_meshes->data_skins, skinfiles, "default", "");
803 Mod_FreeSkinFiles(skinfiles);
805 else if (loadmodel->numskins)
807 // skins found (most likely not a player model)
808 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
809 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
810 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
812 if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE | TEXF_PICMIP, true, false, true))
813 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, &tempskinframe);
816 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
817 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins + i, NULL);
823 // no skins (most likely a player model)
824 loadmodel->numskins = 1;
825 loadmodel->alias.aliasdata_meshes->num_skins = loadmodel->numskins;
826 loadmodel->alias.aliasdata_meshes->data_skins = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_skins * sizeof(texture_t));
827 Mod_BuildAliasSkinFromSkinFrame(loadmodel->alias.aliasdata_meshes->data_skins, NULL);
830 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
831 for (i = 0;i < loadmodel->numskins;i++)
833 loadmodel->skinscenes[i].firstframe = i;
834 loadmodel->skinscenes[i].framecount = 1;
835 loadmodel->skinscenes[i].loop = true;
836 loadmodel->skinscenes[i].framerate = 10;
839 // load the triangles and stvert data
840 inst = (void*)(base + LittleLong(pinmodel->ofs_st));
841 intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
842 skinwidth = LittleLong(pinmodel->skinwidth);
843 skinheight = LittleLong(pinmodel->skinheight);
845 stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
846 s = 1.0f / skinwidth;
847 t = 1.0f / skinheight;
848 for (i = 0;i < numst;i++)
850 j = (unsigned short) LittleShort(inst[i*2+0]);
851 k = (unsigned short) LittleShort(inst[i*2+1]);
852 if (j >= skinwidth || k >= skinheight)
854 Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, j, k, i);
858 stverts[i*2+0] = j * s;
859 stverts[i*2+1] = k * t;
862 md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
863 md2verthashdata = Mem_Alloc(tempmempool, loadmodel->alias.aliasdata_meshes->num_triangles * 3 * sizeof(*hash));
864 // swap the triangle list
866 loadmodel->alias.aliasdata_meshes->data_element3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
867 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_triangles;i++)
869 for (j = 0;j < 3;j++)
871 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
872 st = (unsigned short) LittleShort (intri[i].index_st[j]);
875 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
880 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
885 hashindex = (xyz * 17 + st) & 255;
886 for (hash = md2verthash[hashindex];hash;hash = hash->next)
887 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
891 hash = md2verthashdata + num++;
895 hash->next = md2verthash[hashindex];
896 md2verthash[hashindex] = hash;
898 loadmodel->alias.aliasdata_meshes->data_element3i[i*3+j] = (hash - md2verthashdata);
905 loadmodel->alias.aliasdata_meshes->num_vertices = numverts;
906 vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
907 loadmodel->alias.aliasdata_meshes->data_texcoord2f = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
908 for (i = 0;i < num;i++)
910 hash = md2verthashdata + i;
911 vertremap[i] = hash->xyz;
912 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+0] = hash->st[0];
913 loadmodel->alias.aliasdata_meshes->data_texcoord2f[i*2+1] = hash->st[1];
916 Mem_Free(md2verthash);
917 Mem_Free(md2verthashdata);
920 datapointer = (base + LittleLong(pinmodel->ofs_frames));
921 loadmodel->alias.aliasdata_meshes->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, numverts * loadmodel->alias.aliasdata_meshes->num_morphframes * sizeof(float[3]));
922 for (i = 0;i < loadmodel->alias.aliasdata_meshes->num_morphframes;i++)
924 pinframe = (md2frame_t *)datapointer;
925 datapointer += sizeof(md2frame_t);
926 for (j = 0;j < 3;j++)
928 scale[j] = LittleFloat(pinframe->scale[j]);
929 translate[j] = LittleFloat(pinframe->translate[j]);
931 Mod_MD2_ConvertVerts(scale, translate, (void *)datapointer, loadmodel->alias.aliasdata_meshes->data_morphvertex3f + i * numverts * 3, numverts, vertremap);
932 datapointer += numxyz * sizeof(trivertx_t);
934 strcpy(loadmodel->animscenes[i].name, pinframe->name);
935 loadmodel->animscenes[i].firstframe = i;
936 loadmodel->animscenes[i].framecount = 1;
937 loadmodel->animscenes[i].framerate = 10;
938 loadmodel->animscenes[i].loop = true;
943 loadmodel->alias.aliasdata_meshes->data_neighbor3i = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasdata_meshes->num_triangles * sizeof(int[3]));
944 Mod_BuildTriangleNeighbors(loadmodel->alias.aliasdata_meshes->data_neighbor3i, loadmodel->alias.aliasdata_meshes->data_element3i, loadmodel->alias.aliasdata_meshes->num_triangles);
945 Mod_CalcAliasModelBBoxes();
946 Mod_Alias_Mesh_CompileFrameZero(loadmodel->alias.aliasdata_meshes);
949 void Mod_IDP3_Load(model_t *mod, void *buffer)
951 int i, j, k, version;
952 md3modelheader_t *pinmodel;
953 md3frameinfo_t *pinframe;
957 skinfile_t *skinfiles;
961 if (memcmp(pinmodel->identifier, "IDP3", 4))
962 Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
963 version = LittleLong (pinmodel->version);
964 if (version != MD3VERSION)
965 Host_Error ("%s has wrong version number (%i should be %i)",
966 loadmodel->name, version, MD3VERSION);
968 skinfiles = Mod_LoadSkinFiles();
969 if (loadmodel->numskins < 1)
970 loadmodel->numskins = 1;
972 loadmodel->type = mod_alias;
973 loadmodel->DrawSky = NULL;
974 loadmodel->Draw = R_Model_Alias_Draw;
975 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
976 loadmodel->DrawLight = R_Model_Alias_DrawLight;
977 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
978 loadmodel->flags = LittleLong(pinmodel->flags);
979 loadmodel->synctype = ST_RAND;
981 // set up some global info about the model
982 loadmodel->numframes = LittleLong(pinmodel->num_frames);
983 loadmodel->alias.aliasnum_meshes = LittleLong(pinmodel->num_meshes);
985 // make skinscenes for the skins (no groups)
986 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
987 for (i = 0;i < loadmodel->numskins;i++)
989 loadmodel->skinscenes[i].firstframe = i;
990 loadmodel->skinscenes[i].framecount = 1;
991 loadmodel->skinscenes[i].loop = true;
992 loadmodel->skinscenes[i].framerate = 10;
996 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
997 for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
999 strcpy(loadmodel->animscenes[i].name, pinframe->name);
1000 loadmodel->animscenes[i].firstframe = i;
1001 loadmodel->animscenes[i].framecount = 1;
1002 loadmodel->animscenes[i].framerate = 10;
1003 loadmodel->animscenes[i].loop = true;
1007 loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
1008 loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
1009 loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
1010 for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pintag++)
1012 strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
1013 Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
1014 for (j = 0;j < 3;j++)
1016 for (k = 0;k < 3;k++)
1017 loadmodel->alias.aliasdata_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
1018 loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
1020 //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);
1024 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
1025 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)))
1027 if (memcmp(pinmesh->identifier, "IDP3", 4))
1028 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)\n");
1029 mesh = loadmodel->alias.aliasdata_meshes + i;
1030 mesh->num_skins = loadmodel->numskins;
1031 mesh->num_morphframes = LittleLong(pinmesh->num_frames);
1032 mesh->num_vertices = LittleLong(pinmesh->num_vertices);
1033 mesh->num_triangles = LittleLong(pinmesh->num_triangles);
1034 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(texture_t));
1035 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1036 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1037 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1038 mesh->data_morphvertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_morphframes * sizeof(float[3]));
1039 for (j = 0;j < mesh->num_triangles * 3;j++)
1040 mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1041 for (j = 0;j < mesh->num_vertices;j++)
1043 mesh->data_texcoord2f[j * 2 + 0] = LittleFloat(((float *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1044 mesh->data_texcoord2f[j * 2 + 1] = LittleFloat(((float *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1046 for (j = 0;j < mesh->num_vertices * mesh->num_morphframes;j++)
1048 mesh->data_morphvertex3f[j * 3 + 0] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 0]) * (1.0f / 64.0f);
1049 mesh->data_morphvertex3f[j * 3 + 1] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 1]) * (1.0f / 64.0f);
1050 mesh->data_morphvertex3f[j * 3 + 2] = LittleShort(((short *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 2]) * (1.0f / 64.0f);
1053 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1054 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1055 Mod_Alias_Mesh_CompileFrameZero(mesh);
1057 if (LittleLong(pinmesh->num_shaders) >= 1)
1058 Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, pinmesh->name, ((md3shader_t *)((qbyte *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1060 for (j = 0;j < mesh->num_skins;j++)
1061 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
1063 Mod_CalcAliasModelBBoxes();
1064 Mod_FreeSkinFiles(skinfiles);
1067 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
1069 zymtype1header_t *pinmodel, *pheader;
1071 int i, j, k, l, numposes, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements, *remapvertices;
1072 float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f;
1073 zymvertex_t *verts, *vertdata;
1077 skinfile_t *skinfiles;
1080 pinmodel = (void *)buffer;
1082 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1083 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model\n");
1084 if (BigLong(pinmodel->type) != 1)
1085 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
1087 loadmodel->type = mod_alias;
1088 loadmodel->DrawSky = NULL;
1089 loadmodel->Draw = R_Model_Alias_Draw;
1090 loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
1091 loadmodel->DrawLight = R_Model_Alias_DrawLight;
1092 //loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox; // FIXME: implement collisions
1093 loadmodel->flags = 0; // there are no flags on zym models
1094 loadmodel->synctype = ST_RAND;
1098 pheader->type = BigLong(pinmodel->type);
1099 pheader->filesize = BigLong(pinmodel->filesize);
1100 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1101 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1102 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1103 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1104 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1105 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1106 pheader->radius = BigFloat(pinmodel->radius);
1107 pheader->numverts = BigLong(pinmodel->numverts);
1108 pheader->numtris = BigLong(pinmodel->numtris);
1109 pheader->numshaders = BigLong(pinmodel->numshaders);
1110 pheader->numbones = BigLong(pinmodel->numbones);
1111 pheader->numscenes = BigLong(pinmodel->numscenes);
1112 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1113 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1114 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1115 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1116 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1117 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1118 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1119 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1120 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1121 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1122 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1123 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1124 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1125 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1126 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1127 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1128 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1129 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1131 loadmodel->numframes = pheader->numscenes;
1132 loadmodel->alias.aliasnum_meshes = pheader->numshaders;
1134 skinfiles = Mod_LoadSkinFiles();
1135 if (loadmodel->numskins < 1)
1136 loadmodel->numskins = 1;
1138 // make skinscenes for the skins (no groups)
1139 loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1140 for (i = 0;i < loadmodel->numskins;i++)
1142 loadmodel->skinscenes[i].firstframe = i;
1143 loadmodel->skinscenes[i].framecount = 1;
1144 loadmodel->skinscenes[i].loop = true;
1145 loadmodel->skinscenes[i].framerate = 10;
1149 modelradius = pheader->radius;
1150 for (i = 0;i < 3;i++)
1152 loadmodel->normalmins[i] = pheader->mins[i];
1153 loadmodel->normalmaxs[i] = pheader->maxs[i];
1154 loadmodel->rotatedmins[i] = -modelradius;
1155 loadmodel->rotatedmaxs[i] = modelradius;
1157 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1158 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1159 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1160 if (loadmodel->yawmaxs[0] > modelradius)
1161 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1162 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1163 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1164 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1165 loadmodel->radius = modelradius;
1166 loadmodel->radius2 = modelradius * modelradius;
1168 // go through the lumps, swapping things
1170 //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1171 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1172 scene = (void *) (pheader->lump_scenes.start + pbase);
1173 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1174 for (i = 0;i < pheader->numscenes;i++)
1176 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1177 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1178 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1179 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1180 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1181 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1182 Host_Error("%s scene->firstframe (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1183 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1184 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1185 if (loadmodel->animscenes[i].framerate < 0)
1186 Host_Error("%s scene->framerate (%f) < 0\n", loadmodel->name, loadmodel->animscenes[i].framerate);
1190 //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1191 loadmodel->alias.aliasnum_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1192 loadmodel->alias.aliasdata_poses = Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
1193 poses = (void *) (pheader->lump_poses.start + pbase);
1194 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1195 loadmodel->alias.aliasdata_poses[i] = BigFloat(poses[i]);
1197 //zymlump_t lump_bones; // zymbone_t bone[numbones];
1198 loadmodel->alias.aliasnum_bones = pheader->numbones;
1199 loadmodel->alias.aliasdata_bones = Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1200 bone = (void *) (pheader->lump_bones.start + pbase);
1201 for (i = 0;i < pheader->numbones;i++)
1203 memcpy(loadmodel->alias.aliasdata_bones[i].name, bone[i].name, sizeof(bone[i].name));
1204 loadmodel->alias.aliasdata_bones[i].flags = BigLong(bone[i].flags);
1205 loadmodel->alias.aliasdata_bones[i].parent = BigLong(bone[i].parent);
1206 if (loadmodel->alias.aliasdata_bones[i].parent >= i)
1207 Host_Error("%s bone[%i].parent >= %i\n", loadmodel->name, i, i);
1210 //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1211 vertbonecounts = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1212 bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
1213 for (i = 0;i < pheader->numverts;i++)
1215 vertbonecounts[i] = BigLong(bonecount[i]);
1216 if (vertbonecounts[i] < 1)
1217 Host_Error("%s bonecount[%i] < 1\n", loadmodel->name, i);
1220 //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1221 verts = Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1222 vertdata = (void *) (pheader->lump_verts.start + pbase);
1223 for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
1225 verts[i].bonenum = BigLong(vertdata[i].bonenum);
1226 verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
1227 verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
1228 verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
1231 //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1232 outtexcoord2f = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
1233 intexcoord2f = (void *) (pheader->lump_texcoords.start + pbase);
1234 for (i = 0;i < pheader->numverts;i++)
1236 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1237 // flip T coordinate for OpenGL
1238 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1241 //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1242 //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1243 //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1245 loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
1247 //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1248 //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)
1249 // byteswap, validate, and swap winding order of tris
1250 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1251 if (pheader->lump_render.length != count)
1252 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, count);
1253 renderlist = (void *) (pheader->lump_render.start + pbase);
1254 renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
1255 for (i = 0;i < loadmodel->alias.aliasnum_meshes;i++)
1257 if (renderlist >= renderlistend)
1258 Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1259 count = BigLong(*renderlist);renderlist++;
1260 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1261 Host_Error("%s corrupt renderlist (wrong size)\n", loadmodel->name);
1262 mesh = loadmodel->alias.aliasdata_meshes + i;
1263 mesh->num_skins = loadmodel->numskins;
1264 mesh->num_triangles = count;
1265 mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(texture_t));
1266 mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1267 mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
1268 outelements = mesh->data_element3i;
1269 for (j = 0;j < mesh->num_triangles;j++)
1271 outelements[2] = BigLong(renderlist[0]);
1272 outelements[1] = BigLong(renderlist[1]);
1273 outelements[0] = BigLong(renderlist[2]);
1274 if ((unsigned int)outelements[0] >= (unsigned int)pheader->numverts
1275 || (unsigned int)outelements[1] >= (unsigned int)pheader->numverts
1276 || (unsigned int)outelements[2] >= (unsigned int)pheader->numverts)
1277 Host_Error("%s corrupt renderlist (out of bounds index)\n", loadmodel->name);
1281 remapvertices = Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1282 mesh->num_vertices = Mod_BuildVertexRemapTableFromElements(mesh->num_triangles * 3, mesh->data_element3i, pheader->numverts, remapvertices);
1283 for (j = 0;j < mesh->num_triangles * 3;j++)
1284 mesh->data_element3i[j] = remapvertices[mesh->data_element3i[j]];
1285 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1286 mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
1287 for (j = 0;j < pheader->numverts;j++)
1289 if (remapvertices[j] >= 0)
1291 mesh->data_texcoord2f[remapvertices[j]*2+0] = outtexcoord2f[j*2+0];
1292 mesh->data_texcoord2f[remapvertices[j]*2+1] = outtexcoord2f[j*2+1];
1295 mesh->num_vertexboneweights = 0;
1296 for (j = 0;j < mesh->num_vertices;j++)
1297 if (remapvertices[j] >= 0)
1298 mesh->num_vertexboneweights += vertbonecounts[remapvertices[j]];
1299 mesh->data_vertexboneweights = Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(aliasvertexboneweight_t));
1300 mesh->num_vertexboneweights = 0;
1301 // note this vertexboneweight ordering requires that the remapvertices array is sequential numbers (separated by -1 values for omitted vertices)
1303 for (j = 0;j < mesh->num_vertices;j++)
1305 if (remapvertices[j] < 0)
1307 l += vertbonecounts[j];
1310 for (k = 0;k < vertbonecounts[j];k++)
1312 // this format really should have had a per vertexweight weight value...
1313 mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = remapvertices[j];
1314 mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = verts[l].bonenum;
1315 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3] = 1.0f / vertbonecounts[j];
1316 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[0] = verts[l].origin[0] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1317 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[1] = verts[l].origin[1] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1318 mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[2] = verts[l].origin[2] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
1319 mesh->num_vertexboneweights++;
1324 Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
1325 Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
1326 Mod_Alias_Mesh_CompileFrameZero(mesh);
1328 // since zym models do not have named sections, reuse their shader
1329 // name as the section name
1330 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1332 Mod_BuildAliasSkinsFromSkinFiles(mesh->data_skins, skinfiles, shadername, shadername);
1334 for (j = 0;j < mesh->num_skins;j++)
1335 Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins + j, NULL);
1338 Mem_Free(vertbonecounts);
1340 Mem_Free(outtexcoord2f);