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 cvar_t r_skeletal_debugbone = {0, "r_skeletal_debugbone", "-1", "development cvar for testing skeletal model code"};
26 cvar_t r_skeletal_debugbonecomponent = {0, "r_skeletal_debugbonecomponent", "3", "development cvar for testing skeletal model code"};
27 cvar_t r_skeletal_debugbonevalue = {0, "r_skeletal_debugbonevalue", "100", "development cvar for testing skeletal model code"};
28 cvar_t r_skeletal_debugtranslatex = {0, "r_skeletal_debugtranslatex", "1", "development cvar for testing skeletal model code"};
29 cvar_t r_skeletal_debugtranslatey = {0, "r_skeletal_debugtranslatey", "1", "development cvar for testing skeletal model code"};
30 cvar_t r_skeletal_debugtranslatez = {0, "r_skeletal_debugtranslatez", "1", "development cvar for testing skeletal model code"};
32 void Mod_AliasInit (void)
34 Cvar_RegisterVariable(&r_skeletal_debugbone);
35 Cvar_RegisterVariable(&r_skeletal_debugbonecomponent);
36 Cvar_RegisterVariable(&r_skeletal_debugbonevalue);
37 Cvar_RegisterVariable(&r_skeletal_debugtranslatex);
38 Cvar_RegisterVariable(&r_skeletal_debugtranslatey);
39 Cvar_RegisterVariable(&r_skeletal_debugtranslatez);
42 void Mod_Alias_GetMesh_Vertices(const model_t *model, const frameblend_t *frameblend, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f)
44 if (model->surfmesh.data_vertexweightindex4i)
47 const float *v = model->surfmesh.data_vertex3f;
48 const float *n = model->surfmesh.data_normal3f;
49 const float *sv = model->surfmesh.data_svector3f;
50 const float *tv = model->surfmesh.data_tvector3f;
51 const int *wi = model->surfmesh.data_vertexweightindex4i;
52 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
53 float *matrix, m[12], bonepose[256][12], boneposerelative[256][12];
54 // vertex weighted skeletal
55 memset(vertex3f, 0, model->surfmesh.num_vertices * sizeof(float[3]));
57 memset(normal3f, 0, model->surfmesh.num_vertices * sizeof(float[3]));
60 memset(svector3f, 0, model->surfmesh.num_vertices * sizeof(float[3]));
61 memset(tvector3f, 0, model->surfmesh.num_vertices * sizeof(float[3]));
63 // interpolate matrices and concatenate them to their parents
64 for (i = 0;i < model->num_bones;i++)
66 for (k = 0;k < 12;k++)
68 for (blends = 0;blends < 4 && frameblend[blends].lerp > 0;blends++)
70 matrix = model->data_poses + (frameblend[blends].frame * model->num_bones + i) * 12;
71 for (k = 0;k < 12;k++)
72 m[k] += matrix[k] * frameblend[blends].lerp;
74 if (i == r_skeletal_debugbone.integer)
75 m[r_skeletal_debugbonecomponent.integer % 12] += r_skeletal_debugbonevalue.value;
76 m[3] *= r_skeletal_debugtranslatex.value;
77 m[7] *= r_skeletal_debugtranslatey.value;
78 m[11] *= r_skeletal_debugtranslatez.value;
79 if (model->data_bones[i].parent >= 0)
80 R_ConcatTransforms(bonepose[model->data_bones[i].parent], m, bonepose[i]);
82 for (k = 0;k < 12;k++)
83 bonepose[i][k] = m[k];
84 // create a relative deformation matrix to describe displacement
85 // from the base mesh, which is used by the actual weighting
86 R_ConcatTransforms(bonepose[i], model->data_baseboneposeinverse + i * 12, boneposerelative[i]);
88 // blend the vertex bone weights
91 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, n += 3, sv += 3, tv += 3, wi += 4, wf += 4, vertex3f += 3, normal3f += 3, svector3f += 3, tvector3f += 3)
93 for (k = 0;k < 4 && wf[k];k++)
95 const float *m = boneposerelative[wi[k]];
97 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
98 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
99 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
100 normal3f[0] += f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
101 normal3f[1] += f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
102 normal3f[2] += f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
103 svector3f[0] += f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
104 svector3f[1] += f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
105 svector3f[2] += f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
106 tvector3f[0] += f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
107 tvector3f[1] += f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
108 tvector3f[2] += f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
114 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, n += 3, wi += 4, wf += 4, vertex3f += 3, normal3f += 3)
116 for (k = 0;k < 4 && wf[k];k++)
118 const float *m = boneposerelative[wi[k]];
120 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
121 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
122 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
123 normal3f[0] += f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
124 normal3f[1] += f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
125 normal3f[2] += f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
131 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, wi += 4, wf += 4, vertex3f += 3)
133 for (k = 0;k < 4 && wf[k];k++)
135 const float *m = boneposerelative[wi[k]];
137 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
138 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
139 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
144 else if (model->surfmesh.data_morphvertex3f)
147 int numverts = model->surfmesh.num_vertices;
148 const float *vertsbase = model->surfmesh.data_morphvertex3f;
149 const float *verts1 = vertsbase + numverts * 3 * frameblend[0].frame;
150 if (frameblend[1].lerp)
153 float lerp1 = frameblend[0].lerp;
154 const float *verts2 = vertsbase + numverts * 3 * frameblend[1].frame;
155 float lerp2 = frameblend[1].lerp;
156 if (frameblend[2].lerp)
158 const float *verts3 = vertsbase + numverts * 3 * frameblend[2].frame;
159 float lerp3 = frameblend[2].lerp;
160 if (frameblend[3].lerp)
162 const float *verts4 = vertsbase + numverts * 3 * frameblend[3].frame;
163 float lerp4 = frameblend[3].lerp;
164 for (i = 0;i < numverts * 3;i++)
165 vertex3f[i] = lerp1 * verts1[i] + lerp2 * verts2[i] + lerp3 * verts3[i] + lerp4 * verts4[i];
168 for (i = 0;i < numverts * 3;i++)
169 vertex3f[i] = lerp1 * verts1[i] + lerp2 * verts2[i] + lerp3 * verts3[i];
172 for (i = 0;i < numverts * 3;i++)
173 vertex3f[i] = lerp1 * verts1[i] + lerp2 * verts2[i];
176 memcpy(vertex3f, verts1, numverts * 3 * sizeof(float));
179 Mod_BuildNormals(0, model->surfmesh.num_vertices, model->surfmesh.num_triangles, vertex3f, model->surfmesh.data_element3i, normal3f, r_smoothnormals_areaweighting.integer);
181 Mod_BuildTextureVectorsFromNormals(0, model->surfmesh.num_vertices, model->surfmesh.num_triangles, vertex3f, model->surfmesh.data_texcoordtexture2f, normal3f, model->surfmesh.data_element3i, svector3f, tvector3f, r_smoothnormals_areaweighting.integer);
185 Host_Error("model %s has no skeletal or vertex morph animation data", model->name);
188 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
190 const float *boneframe;
191 float tempbonematrix[12], bonematrix[12];
192 *outmatrix = identitymatrix;
193 if (model->num_bones)
195 if (tagindex < 0 || tagindex >= model->num_bones)
197 if (poseframe >= model->num_poses)
199 boneframe = model->data_poses + poseframe * model->num_bones * 12;
200 memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
201 while (model->data_bones[tagindex].parent >= 0)
203 memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
204 R_ConcatTransforms(boneframe + model->data_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
205 tagindex = model->data_bones[tagindex].parent;
207 outmatrix->m[0][0] = bonematrix[0];
208 outmatrix->m[0][1] = bonematrix[1];
209 outmatrix->m[0][2] = bonematrix[2];
210 outmatrix->m[0][3] = bonematrix[3];
211 outmatrix->m[1][0] = bonematrix[4];
212 outmatrix->m[1][1] = bonematrix[5];
213 outmatrix->m[1][2] = bonematrix[6];
214 outmatrix->m[1][3] = bonematrix[7];
215 outmatrix->m[2][0] = bonematrix[8];
216 outmatrix->m[2][1] = bonematrix[9];
217 outmatrix->m[2][2] = bonematrix[10];
218 outmatrix->m[2][3] = bonematrix[11];
219 outmatrix->m[3][0] = 0;
220 outmatrix->m[3][1] = 0;
221 outmatrix->m[3][2] = 0;
222 outmatrix->m[3][3] = 1;
224 else if (model->num_tags)
226 if (tagindex < 0 || tagindex >= model->num_tags)
228 if (poseframe >= model->num_tagframes)
230 *outmatrix = model->data_tags[poseframe * model->num_tags + tagindex].matrix;
235 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
238 if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
239 for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
240 if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
242 if (model->num_bones)
243 for (i = 0;i < model->num_bones;i++)
244 if (!strcasecmp(tagname, model->data_bones[i].name))
247 for (i = 0;i < model->num_tags;i++)
248 if (!strcasecmp(tagname, model->data_tags[i].name))
253 static void Mod_BuildBaseBonePoses(void)
257 float *in12f = loadmodel->data_poses;
258 float *out12f = loadmodel->data_basebonepose;
259 float *outinv12f = loadmodel->data_baseboneposeinverse;
260 for (i = 0;i < loadmodel->num_bones;i++, in12f += 12, out12f += 12, outinv12f += 12)
262 if (loadmodel->data_bones[i].parent >= 0)
263 R_ConcatTransforms(loadmodel->data_basebonepose + 12 * loadmodel->data_bones[i].parent, in12f, out12f);
265 for (k = 0;k < 12;k++)
266 out12f[k] = in12f[k];
270 // we only support uniform scaling, so assume the first row is enough
271 // (note the lack of sqrt here, because we're trying to undo the scaling,
272 // this means multiplying by the inverse scale twice - squaring it, which
273 // makes the sqrt a waste of time)
274 scale = 1.0 / (out12f[ 0] * out12f[ 0] + out12f[ 1] * out12f[ 1] + out12f[ 2] * out12f[ 2]);
276 // invert the rotation by transposing and multiplying by the squared
277 // recipricol of the input matrix scale as described above
278 outinv12f[ 0] = (float)(out12f[ 0] * scale);
279 outinv12f[ 1] = (float)(out12f[ 4] * scale);
280 outinv12f[ 2] = (float)(out12f[ 8] * scale);
281 outinv12f[ 4] = (float)(out12f[ 1] * scale);
282 outinv12f[ 5] = (float)(out12f[ 5] * scale);
283 outinv12f[ 6] = (float)(out12f[ 9] * scale);
284 outinv12f[ 8] = (float)(out12f[ 2] * scale);
285 outinv12f[ 9] = (float)(out12f[ 6] * scale);
286 outinv12f[10] = (float)(out12f[10] * scale);
288 // invert the translate
289 outinv12f[ 3] = -(out12f[ 3] * outinv12f[ 0] + out12f[ 7] * outinv12f[ 1] + out12f[11] * outinv12f[ 2]);
290 outinv12f[ 7] = -(out12f[ 3] * outinv12f[ 4] + out12f[ 7] * outinv12f[ 5] + out12f[11] * outinv12f[ 6]);
291 outinv12f[11] = -(out12f[ 3] * outinv12f[ 8] + out12f[ 7] * outinv12f[ 9] + out12f[11] * outinv12f[10]);
295 static void Mod_Alias_CalculateBoundingBox(void)
299 qboolean firstvertex = true;
300 float dist, yawradius, radius;
303 frameblend_t frameblend[4];
304 memset(frameblend, 0, sizeof(frameblend));
305 frameblend[0].lerp = 1;
306 vertex3f = Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3]));
307 VectorClear(loadmodel->normalmins);
308 VectorClear(loadmodel->normalmaxs);
311 for (i = 0;i < loadmodel->numframes;i++)
313 for (j = 0, frameblend[0].frame = loadmodel->animscenes[i].firstframe;j < loadmodel->animscenes[i].framecount;j++, frameblend[0].frame++)
315 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, vertex3f, NULL, NULL, NULL);
316 for (vnum = 0, v = vertex3f;vnum < loadmodel->surfmesh.num_vertices;vnum++, v += 3)
321 VectorCopy(v, loadmodel->normalmins);
322 VectorCopy(v, loadmodel->normalmaxs);
326 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
327 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
328 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
329 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
330 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
331 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
333 dist = v[0] * v[0] + v[1] * v[1];
334 if (yawradius < dist)
343 radius = sqrt(radius);
344 yawradius = sqrt(yawradius);
345 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
346 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
347 loadmodel->yawmins[2] = loadmodel->normalmins[2];
348 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
349 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
350 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
351 loadmodel->radius = radius;
352 loadmodel->radius2 = radius * radius;
355 static void Mod_Alias_Mesh_CompileFrameZero(void)
357 frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
358 loadmodel->surfmesh.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3][4]));
359 loadmodel->surfmesh.data_svector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 3;
360 loadmodel->surfmesh.data_tvector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 6;
361 loadmodel->surfmesh.data_normal3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 9;
362 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, loadmodel->surfmesh.data_vertex3f, NULL, NULL, NULL);
363 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
364 Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
367 static void Mod_MDLMD2MD3_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask)
370 float segmentmins[3], segmentmaxs[3];
371 frameblend_t frameblend[4];
373 static int maxvertices = 0;
374 static float *vertex3f = NULL;
375 memset(trace, 0, sizeof(*trace));
377 trace->realfraction = 1;
378 trace->hitsupercontentsmask = hitsupercontentsmask;
379 memset(frameblend, 0, sizeof(frameblend));
380 frameblend[0].frame = frame;
381 frameblend[0].lerp = 1;
382 if (maxvertices < model->surfmesh.num_vertices)
386 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
387 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
389 if (VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
392 segmentmins[0] = min(start[0], end[0]) - 1;
393 segmentmins[1] = min(start[1], end[1]) - 1;
394 segmentmins[2] = min(start[2], end[2]) - 1;
395 segmentmaxs[0] = max(start[0], end[0]) + 1;
396 segmentmaxs[1] = max(start[1], end[1]) + 1;
397 segmentmaxs[2] = max(start[2], end[2]) + 1;
398 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
400 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
401 Collision_TraceLineTriangleMeshFloat(trace, start, end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
406 // box trace, performed as brush trace
407 colbrushf_t *thisbrush_start, *thisbrush_end;
408 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
409 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
410 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
411 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
412 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
413 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
414 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
415 VectorAdd(start, boxmins, boxstartmins);
416 VectorAdd(start, boxmaxs, boxstartmaxs);
417 VectorAdd(end, boxmins, boxendmins);
418 VectorAdd(end, boxmaxs, boxendmaxs);
419 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
420 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
421 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
423 if (maxvertices < model->surfmesh.num_vertices)
427 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
428 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
430 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
431 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
436 static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
440 for (i = 0;i < inverts;i++)
442 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
444 temp[0] = v[i].v[0] * scale[0] + translate[0];
445 temp[1] = v[i].v[1] * scale[1] + translate[1];
446 temp[2] = v[i].v[2] * scale[2] + translate[2];
447 j = vertremap[i]; // not onseam
449 VectorCopy(temp, out3f + j * 3);
450 j = vertremap[i+inverts]; // onseam
452 VectorCopy(temp, out3f + j * 3);
456 static void Mod_MDL_LoadFrames (unsigned char* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
458 int i, f, pose, groupframes;
460 daliasframetype_t *pframetype;
461 daliasframe_t *pinframe;
462 daliasgroup_t *group;
463 daliasinterval_t *intervals;
466 scene = loadmodel->animscenes;
467 for (f = 0;f < loadmodel->numframes;f++)
469 pframetype = (daliasframetype_t *)datapointer;
470 datapointer += sizeof(daliasframetype_t);
471 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
473 // a single frame is still treated as a group
480 group = (daliasgroup_t *)datapointer;
481 datapointer += sizeof(daliasgroup_t);
482 groupframes = LittleLong (group->numframes);
484 // intervals (time per frame)
485 intervals = (daliasinterval_t *)datapointer;
486 datapointer += sizeof(daliasinterval_t) * groupframes;
488 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
489 if (interval < 0.01f)
491 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
496 // get scene name from first frame
497 pinframe = (daliasframe_t *)datapointer;
499 strcpy(scene->name, pinframe->name);
500 scene->firstframe = pose;
501 scene->framecount = groupframes;
502 scene->framerate = 1.0f / interval;
507 for (i = 0;i < groupframes;i++)
509 pinframe = (daliasframe_t *)datapointer;
510 datapointer += sizeof(daliasframe_t);
511 Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->surfmesh.data_morphvertex3f + pose * loadmodel->surfmesh.num_vertices * 3, vertremap);
512 datapointer += sizeof(trivertx_t) * inverts;
518 static skinframe_t missingskinframe;
519 static void Mod_BuildAliasSkinFromSkinFrame(texture_t *skin, skinframe_t *skinframe)
522 if (skinframe == NULL)
524 skinframe = &missingskinframe;
525 memset(skinframe, 0, sizeof(*skinframe));
526 skinframe->base = r_texture_notexture;
529 skin->skin = *skinframe;
530 skin->currentframe = skin;
531 skin->basematerialflags = MATERIALFLAG_WALL;
533 skin->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
534 skin->currentmaterialflags = skin->basematerialflags;
537 static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
540 skinfileitem_t *skinfileitem;
541 skinframe_t tempskinframe;
544 // the skin += loadmodel->num_surfaces part of this is because data_textures on alias models is arranged as [numskins][numsurfaces]
545 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin += loadmodel->num_surfaces)
547 memset(skin, 0, sizeof(*skin));
548 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
550 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
551 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
553 memset(&tempskinframe, 0, sizeof(tempskinframe));
554 if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
555 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
558 if (cls.state != ca_dedicated)
559 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);
560 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
561 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
564 if (cls.state != ca_dedicated)
565 Con_Printf("failed to load skin \"%s\"\n", shadername);
566 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
575 memset(&tempskinframe, 0, sizeof(tempskinframe));
576 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
577 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
580 if (cls.state != ca_dedicated)
581 Con_Printf("Can't find texture \"%s\" for mesh \"%s\", using grey checkerboard\n", shadername, meshname);
582 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
587 #define BOUNDI(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%d exceeds %d - %d)", loadmodel->name, VALUE, MIN, MAX);
588 #define BOUNDF(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%f exceeds %f - %f)", loadmodel->name, VALUE, MIN, MAX);
589 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend)
591 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
592 float scales, scalet, scale[3], translate[3], interval;
596 stvert_t *pinstverts;
597 dtriangle_t *pintriangles;
598 daliasskintype_t *pinskintype;
599 daliasskingroup_t *pinskingroup;
600 daliasskininterval_t *pinskinintervals;
601 daliasframetype_t *pinframetype;
602 daliasgroup_t *pinframegroup;
603 unsigned char *datapointer, *startframes, *startskins;
604 char name[MAX_QPATH];
605 skinframe_t tempskinframe;
606 animscene_t *tempskinscenes;
607 texture_t *tempaliasskins;
609 int *vertonseam, *vertremap;
610 skinfile_t *skinfiles;
612 datapointer = (unsigned char *)buffer;
613 pinmodel = (mdl_t *)datapointer;
614 datapointer += sizeof(mdl_t);
616 version = LittleLong (pinmodel->version);
617 if (version != ALIAS_VERSION)
618 Host_Error ("%s has wrong version number (%i should be %i)",
619 loadmodel->name, version, ALIAS_VERSION);
621 loadmodel->type = mod_alias;
622 loadmodel->DrawSky = NULL;
623 loadmodel->Draw = R_Q1BSP_Draw;
624 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
625 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
626 loadmodel->DrawLight = R_Q1BSP_DrawLight;
627 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
629 loadmodel->num_surfaces = 1;
630 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
631 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int));
632 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
633 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
634 loadmodel->surfacelist[0] = 0;
636 loadmodel->numskins = LittleLong(pinmodel->numskins);
637 BOUNDI(loadmodel->numskins,0,65536);
638 skinwidth = LittleLong (pinmodel->skinwidth);
639 BOUNDI(skinwidth,0,65536);
640 skinheight = LittleLong (pinmodel->skinheight);
641 BOUNDI(skinheight,0,65536);
642 numverts = LittleLong(pinmodel->numverts);
643 BOUNDI(numverts,0,65536);
644 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->numtris);
645 BOUNDI(loadmodel->surfmesh.num_triangles,0,65536);
646 loadmodel->numframes = LittleLong(pinmodel->numframes);
647 BOUNDI(loadmodel->numframes,0,65536);
648 loadmodel->synctype = (synctype_t)LittleLong (pinmodel->synctype);
649 BOUNDI(loadmodel->synctype,0,2);
650 loadmodel->flags = LittleLong (pinmodel->flags);
652 for (i = 0;i < 3;i++)
654 scale[i] = LittleFloat (pinmodel->scale[i]);
655 translate[i] = LittleFloat (pinmodel->scale_origin[i]);
658 startskins = datapointer;
660 for (i = 0;i < loadmodel->numskins;i++)
662 pinskintype = (daliasskintype_t *)datapointer;
663 datapointer += sizeof(daliasskintype_t);
664 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
668 pinskingroup = (daliasskingroup_t *)datapointer;
669 datapointer += sizeof(daliasskingroup_t);
670 groupskins = LittleLong(pinskingroup->numskins);
671 datapointer += sizeof(daliasskininterval_t) * groupskins;
674 for (j = 0;j < groupskins;j++)
676 datapointer += skinwidth * skinheight;
681 pinstverts = (stvert_t *)datapointer;
682 datapointer += sizeof(stvert_t) * numverts;
684 pintriangles = (dtriangle_t *)datapointer;
685 datapointer += sizeof(dtriangle_t) * loadmodel->surfmesh.num_triangles;
687 startframes = datapointer;
688 loadmodel->surfmesh.num_morphframes = 0;
689 for (i = 0;i < loadmodel->numframes;i++)
691 pinframetype = (daliasframetype_t *)datapointer;
692 datapointer += sizeof(daliasframetype_t);
693 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
697 pinframegroup = (daliasgroup_t *)datapointer;
698 datapointer += sizeof(daliasgroup_t);
699 groupframes = LittleLong(pinframegroup->numframes);
700 datapointer += sizeof(daliasinterval_t) * groupframes;
703 for (j = 0;j < groupframes;j++)
705 datapointer += sizeof(daliasframe_t);
706 datapointer += sizeof(trivertx_t) * numverts;
707 loadmodel->surfmesh.num_morphframes++;
711 // store texture coordinates into temporary array, they will be stored
712 // after usage is determined (triangle data)
713 vertst = (float *)Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
714 vertremap = (int *)Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
715 vertonseam = vertremap + numverts * 2;
717 scales = 1.0 / skinwidth;
718 scalet = 1.0 / skinheight;
719 for (i = 0;i < numverts;i++)
721 vertonseam[i] = LittleLong(pinstverts[i].onseam);
722 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
723 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
724 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
725 vertst[(i+numverts)*2+1] = vertst[i*2+1];
728 // load triangle data
729 loadmodel->surfmesh.data_element3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->surfmesh.num_triangles);
731 // read the triangle elements
732 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
733 for (j = 0;j < 3;j++)
734 loadmodel->surfmesh.data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
735 // validate (note numverts is used because this is the original data)
736 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, numverts, __FILE__, __LINE__);
737 // now butcher the elements according to vertonseam and tri->facesfront
738 // and then compact the vertex set to remove duplicates
739 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
740 if (!LittleLong(pintriangles[i].facesfront)) // backface
741 for (j = 0;j < 3;j++)
742 if (vertonseam[loadmodel->surfmesh.data_element3i[i*3+j]])
743 loadmodel->surfmesh.data_element3i[i*3+j] += numverts;
745 // (this uses vertremap to count usage to save some memory)
746 for (i = 0;i < numverts*2;i++)
748 for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
749 vertremap[loadmodel->surfmesh.data_element3i[i]]++;
750 // build remapping table and compact array
751 loadmodel->surfmesh.num_vertices = 0;
752 for (i = 0;i < numverts*2;i++)
756 vertremap[i] = loadmodel->surfmesh.num_vertices;
757 vertst[loadmodel->surfmesh.num_vertices*2+0] = vertst[i*2+0];
758 vertst[loadmodel->surfmesh.num_vertices*2+1] = vertst[i*2+1];
759 loadmodel->surfmesh.num_vertices++;
762 vertremap[i] = -1; // not used at all
764 // remap the elements to the new vertex set
765 for (i = 0;i < loadmodel->surfmesh.num_triangles * 3;i++)
766 loadmodel->surfmesh.data_element3i[i] = vertremap[loadmodel->surfmesh.data_element3i[i]];
767 // store the texture coordinates
768 loadmodel->surfmesh.data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->surfmesh.num_vertices);
769 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
771 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = vertst[i*2+0];
772 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = vertst[i*2+1];
776 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
777 loadmodel->surfmesh.data_morphvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * loadmodel->surfmesh.num_morphframes * loadmodel->surfmesh.num_vertices);
778 loadmodel->surfmesh.data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
779 Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
780 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
781 Mod_Alias_CalculateBoundingBox();
782 Mod_Alias_Mesh_CompileFrameZero();
788 skinfiles = Mod_LoadSkinFiles();
789 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
790 loadmodel->num_textures = loadmodel->num_surfaces;
791 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
794 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
795 Mod_FreeSkinFiles(skinfiles);
796 for (i = 0;i < loadmodel->numskins;i++)
798 loadmodel->skinscenes[i].firstframe = i;
799 loadmodel->skinscenes[i].framecount = 1;
800 loadmodel->skinscenes[i].loop = true;
801 loadmodel->skinscenes[i].framerate = 10;
807 datapointer = startskins;
808 for (i = 0;i < loadmodel->numskins;i++)
810 pinskintype = (daliasskintype_t *)datapointer;
811 datapointer += sizeof(daliasskintype_t);
813 if (pinskintype->type == ALIAS_SKIN_SINGLE)
820 pinskingroup = (daliasskingroup_t *)datapointer;
821 datapointer += sizeof(daliasskingroup_t);
823 groupskins = LittleLong (pinskingroup->numskins);
825 pinskinintervals = (daliasskininterval_t *)datapointer;
826 datapointer += sizeof(daliasskininterval_t) * groupskins;
828 interval = LittleFloat(pinskinintervals[0].interval);
829 if (interval < 0.01f)
831 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
836 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
837 loadmodel->skinscenes[i].firstframe = totalskins;
838 loadmodel->skinscenes[i].framecount = groupskins;
839 loadmodel->skinscenes[i].framerate = 1.0f / interval;
840 loadmodel->skinscenes[i].loop = true;
842 for (j = 0;j < groupskins;j++)
845 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
847 sprintf (name, "%s_%i", loadmodel->name, i);
848 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
849 Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP, true, r_fullbrights.integer, (unsigned char *)datapointer, skinwidth, skinheight, 8, NULL, NULL);
850 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
851 datapointer += skinwidth * skinheight;
855 // check for skins that don't exist in the model, but do exist as external images
856 // (this was added because yummyluv kept pestering me about support for it)
857 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
859 // expand the arrays to make room
860 tempskinscenes = loadmodel->skinscenes;
861 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
862 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
863 Mem_Free(tempskinscenes);
865 tempaliasskins = loadmodel->data_textures;
866 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * (totalskins + 1) * sizeof(texture_t));
867 memcpy(loadmodel->data_textures, tempaliasskins, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
868 Mem_Free(tempaliasskins);
870 // store the info about the new skin
871 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
872 strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
873 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
874 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
875 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
876 loadmodel->skinscenes[loadmodel->numskins].loop = true;
878 //increase skin counts
879 loadmodel->numskins++;
884 surface = loadmodel->data_surfaces;
885 surface->texture = loadmodel->data_textures;
886 surface->num_firsttriangle = 0;
887 surface->num_triangles = loadmodel->surfmesh.num_triangles;
888 surface->num_firstvertex = 0;
889 surface->num_vertices = loadmodel->surfmesh.num_vertices;
892 static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
896 for (i = 0;i < numverts;i++, out3f += 3)
898 in = v + vertremap[i];
899 out3f[0] = in->v[0] * scale[0] + translate[0];
900 out3f[1] = in->v[1] * scale[1] + translate[1];
901 out3f[2] = in->v[2] * scale[2] + translate[2];
905 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
907 int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
908 float *stverts, s, t, scale[3], translate[3];
912 unsigned char *base, *datapointer;
913 md2frame_t *pinframe;
915 md2triangle_t *intri;
916 unsigned short *inst;
919 struct md2verthash_s *next;
923 *hash, **md2verthash, *md2verthashdata;
924 skinframe_t tempskinframe;
925 skinfile_t *skinfiles;
927 pinmodel = (md2_t *)buffer;
928 base = (unsigned char *)buffer;
930 version = LittleLong (pinmodel->version);
931 if (version != MD2ALIAS_VERSION)
932 Host_Error ("%s has wrong version number (%i should be %i)",
933 loadmodel->name, version, MD2ALIAS_VERSION);
935 loadmodel->type = mod_alias;
936 loadmodel->DrawSky = NULL;
937 loadmodel->Draw = R_Q1BSP_Draw;
938 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
939 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
940 loadmodel->DrawLight = R_Q1BSP_DrawLight;
941 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
943 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
944 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
945 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
946 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
947 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
948 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
949 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
950 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
952 end = LittleLong(pinmodel->ofs_end);
953 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
954 Host_Error ("%s is not a valid model", loadmodel->name);
955 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
956 Host_Error ("%s is not a valid model", loadmodel->name);
957 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
958 Host_Error ("%s is not a valid model", loadmodel->name);
959 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
960 Host_Error ("%s is not a valid model", loadmodel->name);
961 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
962 Host_Error ("%s is not a valid model", loadmodel->name);
964 loadmodel->num_surfaces = 1;
965 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
966 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int));
967 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
968 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
969 loadmodel->surfacelist[0] = 0;
971 loadmodel->numskins = LittleLong(pinmodel->num_skins);
972 numxyz = LittleLong(pinmodel->num_xyz);
973 numst = LittleLong(pinmodel->num_st);
974 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->num_tris);
975 loadmodel->numframes = LittleLong(pinmodel->num_frames);
976 loadmodel->surfmesh.num_morphframes = loadmodel->numframes;
977 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
979 loadmodel->flags = 0; // there are no MD2 flags
980 loadmodel->synctype = ST_RAND;
983 inskin = (char *)(base + LittleLong(pinmodel->ofs_skins));
984 skinfiles = Mod_LoadSkinFiles();
987 loadmodel->num_textures = loadmodel->num_surfaces;
988 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
989 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
990 Mod_FreeSkinFiles(skinfiles);
992 else if (loadmodel->numskins)
994 // skins found (most likely not a player model)
995 loadmodel->num_textures = loadmodel->num_surfaces;
996 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
997 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
999 if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
1000 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, &tempskinframe);
1003 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
1004 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, NULL);
1010 // no skins (most likely a player model)
1011 loadmodel->numskins = 1;
1012 loadmodel->num_textures = loadmodel->num_surfaces;
1013 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1014 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures, NULL);
1017 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1018 for (i = 0;i < loadmodel->numskins;i++)
1020 loadmodel->skinscenes[i].firstframe = i;
1021 loadmodel->skinscenes[i].framecount = 1;
1022 loadmodel->skinscenes[i].loop = true;
1023 loadmodel->skinscenes[i].framerate = 10;
1026 // load the triangles and stvert data
1027 inst = (unsigned short *)(base + LittleLong(pinmodel->ofs_st));
1028 intri = (md2triangle_t *)(base + LittleLong(pinmodel->ofs_tris));
1029 skinwidth = LittleLong(pinmodel->skinwidth);
1030 skinheight = LittleLong(pinmodel->skinheight);
1032 stverts = (float *)Mem_Alloc(tempmempool, numst * sizeof(float[2]));
1033 s = 1.0f / skinwidth;
1034 t = 1.0f / skinheight;
1035 for (i = 0;i < numst;i++)
1037 j = (unsigned short) LittleShort(inst[i*2+0]);
1038 k = (unsigned short) LittleShort(inst[i*2+1]);
1039 if (j >= skinwidth || k >= skinheight)
1041 Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, j, k, i);
1045 stverts[i*2+0] = j * s;
1046 stverts[i*2+1] = k * t;
1049 md2verthash = (struct md2verthash_s **)Mem_Alloc(tempmempool, 256 * sizeof(hash));
1050 md2verthashdata = (struct md2verthash_s *)Mem_Alloc(tempmempool, loadmodel->surfmesh.num_triangles * 3 * sizeof(*hash));
1051 // swap the triangle list
1053 loadmodel->surfmesh.data_element3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
1054 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
1056 for (j = 0;j < 3;j++)
1058 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
1059 st = (unsigned short) LittleShort (intri[i].index_st[j]);
1062 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
1067 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
1070 s = stverts[st*2+0];
1071 t = stverts[st*2+1];
1072 hashindex = (xyz * 17 + st) & 255;
1073 for (hash = md2verthash[hashindex];hash;hash = hash->next)
1074 if (hash->xyz == xyz && hash->st[0] == s && hash->st[1] == t)
1078 hash = md2verthashdata + num++;
1082 hash->next = md2verthash[hashindex];
1083 md2verthash[hashindex] = hash;
1085 loadmodel->surfmesh.data_element3i[i*3+j] = (hash - md2verthashdata);
1092 loadmodel->surfmesh.num_vertices = numverts;
1093 vertremap = (int *)Mem_Alloc(loadmodel->mempool, num * sizeof(int));
1094 loadmodel->surfmesh.data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
1095 for (i = 0;i < num;i++)
1097 hash = md2verthashdata + i;
1098 vertremap[i] = hash->xyz;
1099 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = hash->st[0];
1100 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = hash->st[1];
1103 Mem_Free(md2verthash);
1104 Mem_Free(md2verthashdata);
1107 datapointer = (base + LittleLong(pinmodel->ofs_frames));
1108 loadmodel->surfmesh.data_morphvertex3f = (float *)Mem_Alloc(loadmodel->mempool, numverts * loadmodel->surfmesh.num_morphframes * sizeof(float[3]));
1109 for (i = 0;i < loadmodel->surfmesh.num_morphframes;i++)
1111 pinframe = (md2frame_t *)datapointer;
1112 datapointer += sizeof(md2frame_t);
1113 for (j = 0;j < 3;j++)
1115 scale[j] = LittleFloat(pinframe->scale[j]);
1116 translate[j] = LittleFloat(pinframe->translate[j]);
1118 Mod_MD2_ConvertVerts(scale, translate, (trivertx_t *)datapointer, loadmodel->surfmesh.data_morphvertex3f + i * numverts * 3, numverts, vertremap);
1119 datapointer += numxyz * sizeof(trivertx_t);
1121 strcpy(loadmodel->animscenes[i].name, pinframe->name);
1122 loadmodel->animscenes[i].firstframe = i;
1123 loadmodel->animscenes[i].framecount = 1;
1124 loadmodel->animscenes[i].framerate = 10;
1125 loadmodel->animscenes[i].loop = true;
1128 Mem_Free(vertremap);
1130 loadmodel->surfmesh.data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
1131 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1132 Mod_Alias_CalculateBoundingBox();
1133 Mod_Alias_Mesh_CompileFrameZero();
1135 surface = loadmodel->data_surfaces;
1136 surface->texture = loadmodel->data_textures;
1137 surface->num_firsttriangle = 0;
1138 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1139 surface->num_firstvertex = 0;
1140 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1143 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
1145 int i, j, k, version, meshvertices, meshtriangles;
1146 unsigned char *data;
1147 msurface_t *surface;
1148 md3modelheader_t *pinmodel;
1149 md3frameinfo_t *pinframe;
1152 skinfile_t *skinfiles;
1154 pinmodel = (md3modelheader_t *)buffer;
1156 if (memcmp(pinmodel->identifier, "IDP3", 4))
1157 Host_Error ("%s is not a MD3 (IDP3) file", loadmodel->name);
1158 version = LittleLong (pinmodel->version);
1159 if (version != MD3VERSION)
1160 Host_Error ("%s has wrong version number (%i should be %i)",
1161 loadmodel->name, version, MD3VERSION);
1163 skinfiles = Mod_LoadSkinFiles();
1164 if (loadmodel->numskins < 1)
1165 loadmodel->numskins = 1;
1167 loadmodel->type = mod_alias;
1168 loadmodel->DrawSky = NULL;
1169 loadmodel->Draw = R_Q1BSP_Draw;
1170 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1171 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1172 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1173 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1174 loadmodel->flags = LittleLong(pinmodel->flags);
1175 loadmodel->synctype = ST_RAND;
1177 // set up some global info about the model
1178 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1179 loadmodel->num_surfaces = LittleLong(pinmodel->num_meshes);
1181 // make skinscenes for the skins (no groups)
1182 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1183 for (i = 0;i < loadmodel->numskins;i++)
1185 loadmodel->skinscenes[i].firstframe = i;
1186 loadmodel->skinscenes[i].framecount = 1;
1187 loadmodel->skinscenes[i].loop = true;
1188 loadmodel->skinscenes[i].framerate = 10;
1192 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
1193 for (i = 0, pinframe = (md3frameinfo_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
1195 strcpy(loadmodel->animscenes[i].name, pinframe->name);
1196 loadmodel->animscenes[i].firstframe = i;
1197 loadmodel->animscenes[i].framecount = 1;
1198 loadmodel->animscenes[i].framerate = 10;
1199 loadmodel->animscenes[i].loop = true;
1203 loadmodel->num_tagframes = loadmodel->numframes;
1204 loadmodel->num_tags = LittleLong(pinmodel->num_tags);
1205 loadmodel->data_tags = (aliastag_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_tagframes * loadmodel->num_tags * sizeof(aliastag_t));
1206 for (i = 0, pintag = (md3tag_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->num_tagframes * loadmodel->num_tags;i++, pintag++)
1208 strcpy(loadmodel->data_tags[i].name, pintag->name);
1209 loadmodel->data_tags[i].matrix = identitymatrix;
1210 for (j = 0;j < 3;j++)
1212 for (k = 0;k < 3;k++)
1213 loadmodel->data_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
1214 loadmodel->data_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
1216 //Con_Printf("model \"%s\" frame #%i tag #%i \"%s\"\n", loadmodel->name, i / loadmodel->num_tags, i % loadmodel->num_tags, loadmodel->data_tags[i].name);
1222 for (i = 0, pinmesh = (md3mesh_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->num_surfaces;i++, pinmesh = (md3mesh_t *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_end)))
1224 if (memcmp(pinmesh->identifier, "IDP3", 4))
1225 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1226 if (LittleLong(pinmesh->num_frames) != loadmodel->numframes)
1227 Host_Error("Mod_IDP3_Load: mesh numframes differs from header");
1228 meshvertices += LittleLong(pinmesh->num_vertices);
1229 meshtriangles += LittleLong(pinmesh->num_triangles);
1232 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1233 loadmodel->num_textures = loadmodel->num_surfaces;
1234 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * sizeof(float[2]) + meshvertices * loadmodel->numframes * sizeof(float[3]));
1235 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1236 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1237 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1238 loadmodel->surfmesh.num_vertices = meshvertices;
1239 loadmodel->surfmesh.num_triangles = meshtriangles;
1240 loadmodel->surfmesh.num_morphframes = loadmodel->numframes; // TODO: remove?
1241 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1242 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1243 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1244 loadmodel->surfmesh.data_morphvertex3f = (float *)data;data += meshvertices * loadmodel->numframes * sizeof(float[3]);
1248 for (i = 0, pinmesh = (md3mesh_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->num_surfaces;i++, pinmesh = (md3mesh_t *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_end)))
1250 if (memcmp(pinmesh->identifier, "IDP3", 4))
1251 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1252 loadmodel->surfacelist[i] = i;
1253 surface = loadmodel->data_surfaces + i;
1254 surface->texture = loadmodel->data_textures + i;
1255 surface->num_firsttriangle = meshtriangles;
1256 surface->num_triangles = LittleLong(pinmesh->num_triangles);
1257 surface->num_firstvertex = meshvertices;
1258 surface->num_vertices = LittleLong(pinmesh->num_vertices);
1259 meshvertices += surface->num_vertices;
1260 meshtriangles += surface->num_triangles;
1262 for (j = 0;j < surface->num_triangles * 3;j++)
1263 loadmodel->surfmesh.data_element3i[j + surface->num_firsttriangle * 3] = surface->num_firstvertex + LittleLong(((int *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1264 for (j = 0;j < surface->num_vertices;j++)
1266 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 0] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1267 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 1] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1269 for (j = 0;j < loadmodel->numframes;j++)
1271 const short *in4s = (short *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)) + j * surface->num_vertices * 4;
1272 float *out3f = loadmodel->surfmesh.data_morphvertex3f + 3 * (j * loadmodel->surfmesh.num_vertices + surface->num_firstvertex);
1273 for (k = 0;k < surface->num_vertices;k++, in4s += 4, out3f += 3)
1275 out3f[0] = LittleShort(in4s[0]) * (1.0f / 64.0f);
1276 out3f[1] = LittleShort(in4s[1]) * (1.0f / 64.0f);
1277 out3f[2] = LittleShort(in4s[2]) * (1.0f / 64.0f);
1281 if (LittleLong(pinmesh->num_shaders) >= 1)
1282 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, pinmesh->name, ((md3shader_t *)((unsigned char *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1284 for (j = 0;j < loadmodel->numskins;j++)
1285 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1287 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
1289 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1290 Mod_Alias_Mesh_CompileFrameZero();
1291 Mod_Alias_CalculateBoundingBox();
1292 Mod_FreeSkinFiles(skinfiles);
1295 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1297 zymtype1header_t *pinmodel, *pheader;
1298 unsigned char *pbase;
1299 int i, j, k, numposes, meshvertices, meshtriangles, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements;
1300 float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f, *bonepose;
1301 zymvertex_t *verts, *vertdata;
1305 skinfile_t *skinfiles;
1306 unsigned char *data;
1307 msurface_t *surface;
1309 pinmodel = (zymtype1header_t *)buffer;
1310 pbase = (unsigned char *)buffer;
1311 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1312 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model");
1313 if (BigLong(pinmodel->type) != 1)
1314 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1316 loadmodel->type = mod_alias;
1317 loadmodel->flags = 0; // there are no flags on zym models
1318 loadmodel->synctype = ST_RAND;
1322 pheader->type = BigLong(pinmodel->type);
1323 pheader->filesize = BigLong(pinmodel->filesize);
1324 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1325 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1326 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1327 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1328 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1329 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1330 pheader->radius = BigFloat(pinmodel->radius);
1331 pheader->numverts = BigLong(pinmodel->numverts);
1332 pheader->numtris = BigLong(pinmodel->numtris);
1333 pheader->numshaders = BigLong(pinmodel->numshaders);
1334 pheader->numbones = BigLong(pinmodel->numbones);
1335 pheader->numscenes = BigLong(pinmodel->numscenes);
1336 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1337 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1338 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1339 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1340 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1341 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1342 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1343 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1344 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1345 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1346 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1347 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1348 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1349 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1350 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1351 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1352 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1353 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1355 if (pheader->numtris < 1 || pheader->numverts < 3 || pheader->numshaders < 1)
1357 Con_Printf("%s has no geometry\n");
1360 if (pheader->numscenes < 1 || pheader->lump_poses.length < (int)sizeof(float[3][4]))
1362 Con_Printf("%s has no animations\n");
1366 loadmodel->DrawSky = NULL;
1367 loadmodel->Draw = R_Q1BSP_Draw;
1368 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1369 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1370 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1371 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1373 loadmodel->numframes = pheader->numscenes;
1374 loadmodel->num_surfaces = pheader->numshaders;
1376 skinfiles = Mod_LoadSkinFiles();
1377 if (loadmodel->numskins < 1)
1378 loadmodel->numskins = 1;
1380 // make skinscenes for the skins (no groups)
1381 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1382 for (i = 0;i < loadmodel->numskins;i++)
1384 loadmodel->skinscenes[i].firstframe = i;
1385 loadmodel->skinscenes[i].framecount = 1;
1386 loadmodel->skinscenes[i].loop = true;
1387 loadmodel->skinscenes[i].framerate = 10;
1391 modelradius = pheader->radius;
1392 for (i = 0;i < 3;i++)
1394 loadmodel->normalmins[i] = pheader->mins[i];
1395 loadmodel->normalmaxs[i] = pheader->maxs[i];
1396 loadmodel->rotatedmins[i] = -modelradius;
1397 loadmodel->rotatedmaxs[i] = modelradius;
1399 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1400 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1401 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1402 if (loadmodel->yawmaxs[0] > modelradius)
1403 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1404 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1405 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1406 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1407 loadmodel->radius = modelradius;
1408 loadmodel->radius2 = modelradius * modelradius;
1410 // go through the lumps, swapping things
1412 //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1413 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1414 scene = (zymscene_t *) (pheader->lump_scenes.start + pbase);
1415 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1416 for (i = 0;i < pheader->numscenes;i++)
1418 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1419 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1420 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1421 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1422 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1423 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1424 Host_Error("%s scene->firstframe (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1425 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1426 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1427 if (loadmodel->animscenes[i].framerate < 0)
1428 Host_Error("%s scene->framerate (%f) < 0", loadmodel->name, loadmodel->animscenes[i].framerate);
1432 //zymlump_t lump_bones; // zymbone_t bone[numbones];
1433 loadmodel->num_bones = pheader->numbones;
1434 loadmodel->data_bones = (aliasbone_t *)Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1435 bone = (zymbone_t *) (pheader->lump_bones.start + pbase);
1436 for (i = 0;i < pheader->numbones;i++)
1438 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1439 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1440 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1441 if (loadmodel->data_bones[i].parent >= i)
1442 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1445 //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1446 vertbonecounts = (int *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1447 bonecount = (int *) (pheader->lump_vertbonecounts.start + pbase);
1448 for (i = 0;i < pheader->numverts;i++)
1450 vertbonecounts[i] = BigLong(bonecount[i]);
1451 if (vertbonecounts[i] != 1)
1452 Host_Error("%s bonecount[%i] != 1 (vertex weight support is impossible in this format)", loadmodel->name, i);
1455 loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1457 meshvertices = pheader->numverts;
1458 meshtriangles = pheader->numtris;
1460 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1461 loadmodel->num_textures = loadmodel->num_surfaces;
1462 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * sizeof(float[14]) + meshvertices * sizeof(int[4]) + meshvertices * sizeof(float[4]) + loadmodel->num_poses * sizeof(float[36]));
1463 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1464 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1465 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1466 loadmodel->surfmesh.num_vertices = meshvertices;
1467 loadmodel->surfmesh.num_triangles = meshtriangles;
1468 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1469 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1470 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1471 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1472 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1473 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1474 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1475 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1476 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1477 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1478 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1479 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1481 //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1482 poses = (float *) (pheader->lump_poses.start + pbase);
1483 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1484 loadmodel->data_poses[i] = BigFloat(poses[i]);
1486 //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1487 verts = (zymvertex_t *)Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1488 vertdata = (zymvertex_t *) (pheader->lump_verts.start + pbase);
1489 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1490 // (converting from weight-blending skeletal animation to
1491 // deformation-based skeletal animation)
1492 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1493 for (i = 0;i < loadmodel->num_bones;i++)
1495 const float *m = loadmodel->data_poses + i * 12;
1496 if (loadmodel->data_bones[i].parent >= 0)
1497 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1499 for (k = 0;k < 12;k++)
1500 bonepose[12*i+k] = m[k];
1502 for (j = 0;j < pheader->numverts;j++)
1504 // this format really should have had a per vertexweight weight value...
1505 // but since it does not, the weighting is completely ignored and
1506 // only one weight is allowed per vertex
1507 int boneindex = BigLong(vertdata[j].bonenum);
1508 const float *m = bonepose + 12 * boneindex;
1509 float relativeorigin[3];
1510 relativeorigin[0] = BigFloat(vertdata[j].origin[0]);
1511 relativeorigin[1] = BigFloat(vertdata[j].origin[1]);
1512 relativeorigin[2] = BigFloat(vertdata[j].origin[2]);
1513 // transform the vertex bone weight into the base mesh
1514 loadmodel->surfmesh.data_vertex3f[j*3+0] = relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + m[ 3];
1515 loadmodel->surfmesh.data_vertex3f[j*3+1] = relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + m[ 7];
1516 loadmodel->surfmesh.data_vertex3f[j*3+2] = relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + m[11];
1517 // store the weight as the primary weight on this vertex
1518 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1519 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = 1;
1522 // normals and tangents are calculated after elements are loaded
1524 //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1525 outtexcoord2f = loadmodel->surfmesh.data_texcoordtexture2f;
1526 intexcoord2f = (float *) (pheader->lump_texcoords.start + pbase);
1527 for (i = 0;i < pheader->numverts;i++)
1529 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1530 // flip T coordinate for OpenGL
1531 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1534 //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1535 //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1536 //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1538 //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1539 //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)
1540 // byteswap, validate, and swap winding order of tris
1541 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1542 if (pheader->lump_render.length != count)
1543 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)", loadmodel->name, pheader->lump_render.length, count);
1544 renderlist = (int *) (pheader->lump_render.start + pbase);
1545 renderlistend = (int *) ((unsigned char *) renderlist + pheader->lump_render.length);
1547 for (i = 0;i < loadmodel->num_surfaces;i++)
1549 int firstvertex, lastvertex;
1550 if (renderlist >= renderlistend)
1551 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1552 count = BigLong(*renderlist);renderlist++;
1553 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1554 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1556 loadmodel->surfacelist[i] = i;
1557 surface = loadmodel->data_surfaces + i;
1558 surface->texture = loadmodel->data_textures + i;
1559 surface->num_firsttriangle = meshtriangles;
1560 surface->num_triangles = count;
1561 meshtriangles += surface->num_triangles;
1563 // load the elements
1564 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1565 for (j = 0;j < surface->num_triangles;j++, renderlist += 3)
1567 outelements[j*3+2] = BigLong(renderlist[0]);
1568 outelements[j*3+1] = BigLong(renderlist[1]);
1569 outelements[j*3+0] = BigLong(renderlist[2]);
1571 // validate the elements and find the used vertex range
1572 firstvertex = meshvertices;
1574 for (j = 0;j < surface->num_triangles * 3;j++)
1576 if ((unsigned int)outelements[j] >= (unsigned int)meshvertices)
1577 Host_Error("%s corrupt renderlist (out of bounds index)", loadmodel->name);
1578 firstvertex = min(firstvertex, outelements[j]);
1579 lastvertex = max(lastvertex, outelements[j]);
1581 surface->num_firstvertex = firstvertex;
1582 surface->num_vertices = lastvertex + 1 - firstvertex;
1584 // since zym models do not have named sections, reuse their shader
1585 // name as the section name
1586 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1588 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, shadername, shadername);
1590 for (j = 0;j < loadmodel->numskins;j++)
1591 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1593 Mod_FreeSkinFiles(skinfiles);
1594 Mem_Free(vertbonecounts);
1597 // compute all the mesh information that was not loaded from the file
1598 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
1599 Mod_BuildBaseBonePoses();
1600 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
1601 Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
1602 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1605 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1607 dpmheader_t *pheader;
1611 unsigned char *pbase;
1612 int i, j, k, meshvertices, meshtriangles;
1613 skinfile_t *skinfiles;
1614 unsigned char *data;
1617 pheader = (dpmheader_t *)buffer;
1618 pbase = (unsigned char *)buffer;
1619 if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
1620 Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a darkplaces model");
1621 if (BigLong(pheader->type) != 2)
1622 Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1624 loadmodel->type = mod_alias;
1625 loadmodel->flags = 0; // there are no flags on zym models
1626 loadmodel->synctype = ST_RAND;
1629 pheader->type = BigLong(pheader->type);
1630 pheader->filesize = BigLong(pheader->filesize);
1631 pheader->mins[0] = BigFloat(pheader->mins[0]);
1632 pheader->mins[1] = BigFloat(pheader->mins[1]);
1633 pheader->mins[2] = BigFloat(pheader->mins[2]);
1634 pheader->maxs[0] = BigFloat(pheader->maxs[0]);
1635 pheader->maxs[1] = BigFloat(pheader->maxs[1]);
1636 pheader->maxs[2] = BigFloat(pheader->maxs[2]);
1637 pheader->yawradius = BigFloat(pheader->yawradius);
1638 pheader->allradius = BigFloat(pheader->allradius);
1639 pheader->num_bones = BigLong(pheader->num_bones);
1640 pheader->num_meshs = BigLong(pheader->num_meshs);
1641 pheader->num_frames = BigLong(pheader->num_frames);
1642 pheader->ofs_bones = BigLong(pheader->ofs_bones);
1643 pheader->ofs_meshs = BigLong(pheader->ofs_meshs);
1644 pheader->ofs_frames = BigLong(pheader->ofs_frames);
1646 if (pheader->num_bones < 1 || pheader->num_meshs < 1)
1648 Con_Printf("%s has no geometry\n");
1651 if (pheader->num_frames < 1)
1653 Con_Printf("%s has no frames\n");
1657 loadmodel->DrawSky = NULL;
1658 loadmodel->Draw = R_Q1BSP_Draw;
1659 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1660 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1661 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1662 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1665 for (i = 0;i < 3;i++)
1667 loadmodel->normalmins[i] = pheader->mins[i];
1668 loadmodel->normalmaxs[i] = pheader->maxs[i];
1669 loadmodel->yawmins[i] = i != 2 ? -pheader->yawradius : pheader->mins[i];
1670 loadmodel->yawmaxs[i] = i != 2 ? pheader->yawradius : pheader->maxs[i];
1671 loadmodel->rotatedmins[i] = -pheader->allradius;
1672 loadmodel->rotatedmaxs[i] = pheader->allradius;
1674 loadmodel->radius = pheader->allradius;
1675 loadmodel->radius2 = pheader->allradius * pheader->allradius;
1677 // load external .skin files if present
1678 skinfiles = Mod_LoadSkinFiles();
1679 if (loadmodel->numskins < 1)
1680 loadmodel->numskins = 1;
1685 // gather combined statistics from the meshes
1686 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1687 for (i = 0;i < (int)pheader->num_meshs;i++)
1689 int numverts = BigLong(dpmmesh->num_verts);
1690 meshvertices += numverts;;
1691 meshtriangles += BigLong(dpmmesh->num_tris);
1695 loadmodel->numframes = pheader->num_frames;
1696 loadmodel->num_bones = pheader->num_bones;
1697 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
1698 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = pheader->num_meshs;
1699 // do most allocations as one merged chunk
1700 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(int[4]) + sizeof(float[4])) + loadmodel->num_poses * sizeof(float[36]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
1701 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1702 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1703 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1704 loadmodel->surfmesh.num_vertices = meshvertices;
1705 loadmodel->surfmesh.num_triangles = meshtriangles;
1706 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1707 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1708 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1709 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1710 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1711 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1712 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1713 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1714 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1715 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1716 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1717 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1718 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
1719 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
1720 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1722 for (i = 0;i < loadmodel->numskins;i++)
1724 loadmodel->skinscenes[i].firstframe = i;
1725 loadmodel->skinscenes[i].framecount = 1;
1726 loadmodel->skinscenes[i].loop = true;
1727 loadmodel->skinscenes[i].framerate = 10;
1730 // load the bone info
1731 bone = (dpmbone_t *) (pbase + pheader->ofs_bones);
1732 for (i = 0;i < loadmodel->num_bones;i++)
1734 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1735 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1736 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1737 if (loadmodel->data_bones[i].parent >= i)
1738 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1742 frame = (dpmframe_t *) (pbase + pheader->ofs_frames);
1743 for (i = 0;i < loadmodel->numframes;i++)
1746 memcpy(loadmodel->animscenes[i].name, frame->name, sizeof(frame->name));
1747 loadmodel->animscenes[i].firstframe = i;
1748 loadmodel->animscenes[i].framecount = 1;
1749 loadmodel->animscenes[i].loop = true;
1750 loadmodel->animscenes[i].framerate = 10;
1751 // load the bone poses for this frame
1752 poses = (float *) (pbase + BigLong(frame->ofs_bonepositions));
1753 for (j = 0;j < loadmodel->num_bones*12;j++)
1754 loadmodel->data_poses[i * loadmodel->num_bones*12 + j] = BigFloat(poses[j]);
1755 // stuff not processed here: mins, maxs, yawradius, allradius
1759 // load the meshes now
1760 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1763 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1764 // (converting from weight-blending skeletal animation to
1765 // deformation-based skeletal animation)
1766 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1767 for (i = 0;i < loadmodel->num_bones;i++)
1769 const float *m = loadmodel->data_poses + i * 12;
1770 if (loadmodel->data_bones[i].parent >= 0)
1771 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1773 for (k = 0;k < 12;k++)
1774 bonepose[12*i+k] = m[k];
1776 for (i = 0;i < loadmodel->num_surfaces;i++, dpmmesh++)
1778 const int *inelements;
1780 const float *intexcoord;
1781 msurface_t *surface;
1783 loadmodel->surfacelist[i] = i;
1784 surface = loadmodel->data_surfaces + i;
1785 surface->texture = loadmodel->data_textures + i;
1786 surface->num_firsttriangle = meshtriangles;
1787 surface->num_triangles = BigLong(dpmmesh->num_tris);
1788 surface->num_firstvertex = meshvertices;
1789 surface->num_vertices = BigLong(dpmmesh->num_verts);
1790 meshvertices += surface->num_vertices;
1791 meshtriangles += surface->num_triangles;
1793 inelements = (int *) (pbase + BigLong(dpmmesh->ofs_indices));
1794 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1795 for (j = 0;j < surface->num_triangles;j++)
1797 // swap element order to flip triangles, because Quake uses clockwise (rare) and dpm uses counterclockwise (standard)
1798 outelements[0] = surface->num_firstvertex + BigLong(inelements[2]);
1799 outelements[1] = surface->num_firstvertex + BigLong(inelements[1]);
1800 outelements[2] = surface->num_firstvertex + BigLong(inelements[0]);
1805 intexcoord = (float *) (pbase + BigLong(dpmmesh->ofs_texcoords));
1806 for (j = 0;j < surface->num_vertices*2;j++)
1807 loadmodel->surfmesh.data_texcoordtexture2f[j + surface->num_firstvertex * 2] = BigFloat(intexcoord[j]);
1809 data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
1810 for (j = surface->num_firstvertex;j < surface->num_firstvertex + surface->num_vertices;j++)
1814 int numweights = BigLong(((dpmvertex_t *)data)->numbones);
1815 data += sizeof(dpmvertex_t);
1816 for (k = 0;k < numweights;k++)
1818 const dpmbonevert_t *vert = (dpmbonevert_t *) data;
1819 int boneindex = BigLong(vert->bonenum);
1820 const float *m = bonepose + 12 * boneindex;
1821 float influence = BigFloat(vert->influence);
1822 float relativeorigin[3], relativenormal[3];
1823 relativeorigin[0] = BigFloat(vert->origin[0]);
1824 relativeorigin[1] = BigFloat(vert->origin[1]);
1825 relativeorigin[2] = BigFloat(vert->origin[2]);
1826 relativenormal[0] = BigFloat(vert->normal[0]);
1827 relativenormal[1] = BigFloat(vert->normal[1]);
1828 relativenormal[2] = BigFloat(vert->normal[2]);
1829 // blend the vertex bone weights into the base mesh
1830 loadmodel->surfmesh.data_vertex3f[j*3+0] += relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + influence * m[ 3];
1831 loadmodel->surfmesh.data_vertex3f[j*3+1] += relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + influence * m[ 7];
1832 loadmodel->surfmesh.data_vertex3f[j*3+2] += relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + influence * m[11];
1833 loadmodel->surfmesh.data_normal3f[j*3+0] += relativenormal[0] * m[0] + relativenormal[1] * m[1] + relativenormal[2] * m[ 2];
1834 loadmodel->surfmesh.data_normal3f[j*3+1] += relativenormal[0] * m[4] + relativenormal[1] * m[5] + relativenormal[2] * m[ 6];
1835 loadmodel->surfmesh.data_normal3f[j*3+2] += relativenormal[0] * m[8] + relativenormal[1] * m[9] + relativenormal[2] * m[10];
1838 // store the first (and often only) weight
1839 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = influence;
1840 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1844 // sort the new weight into this vertex's weight table
1845 // (which only accepts up to 4 bones per vertex)
1846 for (l = 0;l < 4;l++)
1848 if (loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] < influence)
1850 // move weaker influence weights out of the way first
1852 for (l2 = 3;l2 > l;l2--)
1854 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2-1];
1855 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2-1];
1857 // store the new weight
1858 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] = influence;
1859 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l] = boneindex;
1864 data += sizeof(dpmbonevert_t);
1867 for (l = 0;l < 4;l++)
1868 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l];
1869 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
1871 float f = 1.0f / sum;
1872 for (l = 0;l < 4;l++)
1873 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] *= f;
1877 // since dpm models do not have named sections, reuse their shader name as the section name
1878 if (dpmmesh->shadername[0])
1879 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, dpmmesh->shadername, dpmmesh->shadername);
1881 for (j = 0;j < loadmodel->numskins;j++)
1882 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1884 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
1887 Mod_FreeSkinFiles(skinfiles);
1889 // compute all the mesh information that was not loaded from the file
1890 Mod_BuildBaseBonePoses();
1891 Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
1892 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1895 static void Mod_PSKMODEL_AnimKeyToMatrix(float *origin, float *quat, matrix4x4_t *m)
1897 float x = quat[0], y = quat[1], z = quat[2], w = quat[3];
1898 m->m[0][0]=1-2*(y*y+z*z);m->m[0][1]= 2*(x*y-z*w);m->m[0][2]= 2*(x*z+y*w);m->m[0][3]=origin[0];
1899 m->m[1][0]= 2*(x*y+z*w);m->m[1][1]=1-2*(x*x+z*z);m->m[1][2]= 2*(y*z-x*w);m->m[1][3]=origin[1];
1900 m->m[2][0]= 2*(x*z-y*w);m->m[2][1]= 2*(y*z+x*w);m->m[2][2]=1-2*(x*x+y*y);m->m[2][3]=origin[2];
1901 m->m[3][0]= 0 ;m->m[3][1]= 0 ;m->m[3][2]= 0 ;m->m[3][3]=1;
1904 // no idea why PSK/PSA files contain weird quaternions but they do...
1905 #define PSKQUATNEGATIONS
1906 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1908 int i, j, index, version, recordsize, numrecords, meshvertices, meshtriangles;
1909 int numpnts, numvtxw, numfaces, nummatts, numbones, numrawweights, numanimbones, numanims, numanimkeys;
1910 fs_offset_t filesize;
1915 pskboneinfo_t *bones;
1916 pskrawweights_t *rawweights;
1917 pskboneinfo_t *animbones;
1918 pskaniminfo_t *anims;
1919 pskanimkeys_t *animkeys;
1920 void *animfilebuffer, *animbuffer, *animbufferend;
1921 unsigned char *data;
1923 skinfile_t *skinfiles;
1924 char animname[MAX_QPATH];
1926 pchunk = (pskchunk_t *)buffer;
1927 if (strcmp(pchunk->id, "ACTRHEAD"))
1928 Host_Error ("Mod_PSKMODEL_Load: %s is not an Unreal Engine ActorX (.psk + .psa) model");
1930 loadmodel->type = mod_alias;
1931 loadmodel->DrawSky = NULL;
1932 loadmodel->Draw = R_Q1BSP_Draw;
1933 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1934 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1935 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1936 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1937 loadmodel->flags = 0; // there are no flags on zym models
1938 loadmodel->synctype = ST_RAND;
1940 FS_StripExtension(loadmodel->name, animname, sizeof(animname));
1941 strlcat(animname, ".psa", sizeof(animname));
1942 animbuffer = animfilebuffer = FS_LoadFile(animname, loadmodel->mempool, false, &filesize);
1943 animbufferend = (void *)((unsigned char*)animbuffer + (int)filesize);
1944 if (animbuffer == NULL)
1945 Host_Error("%s: can't find .psa file (%s)", loadmodel->name, animname);
1964 while (buffer < bufferend)
1966 pchunk = (pskchunk_t *)buffer;
1967 buffer = (void *)((unsigned char *)buffer + sizeof(pskchunk_t));
1968 version = LittleLong(pchunk->version);
1969 recordsize = LittleLong(pchunk->recordsize);
1970 numrecords = LittleLong(pchunk->numrecords);
1971 if (developer.integer >= 100)
1972 Con_Printf("%s: %s %x: %i * %i = %i\n", loadmodel->name, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
1973 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
1974 Con_Printf ("%s: chunk %s has unknown version %x (0x1e83b9, 0x1e9179, 0x2e, 0x12f2bc, 0x12f2f0 are currently supported), trying to load anyway!\n", loadmodel->name, pchunk->id, version);
1975 if (!strcmp(pchunk->id, "ACTRHEAD"))
1979 else if (!strcmp(pchunk->id, "PNTS0000"))
1982 if (recordsize != sizeof(*p))
1983 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
1984 // byteswap in place and keep the pointer
1985 numpnts = numrecords;
1986 pnts = (pskpnts_t *)buffer;
1987 for (index = 0, p = (pskpnts_t *)buffer;index < numrecords;index++, p++)
1989 p->origin[0] = LittleFloat(p->origin[0]);
1990 p->origin[1] = LittleFloat(p->origin[1]);
1991 p->origin[2] = LittleFloat(p->origin[2]);
1995 else if (!strcmp(pchunk->id, "VTXW0000"))
1998 if (recordsize != sizeof(*p))
1999 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2000 // byteswap in place and keep the pointer
2001 numvtxw = numrecords;
2002 vtxw = (pskvtxw_t *)buffer;
2003 for (index = 0, p = (pskvtxw_t *)buffer;index < numrecords;index++, p++)
2005 p->pntsindex = LittleShort(p->pntsindex);
2006 p->texcoord[0] = LittleFloat(p->texcoord[0]);
2007 p->texcoord[1] = LittleFloat(p->texcoord[1]);
2008 if (p->pntsindex >= numpnts)
2010 Con_Printf("%s: vtxw->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2016 else if (!strcmp(pchunk->id, "FACE0000"))
2019 if (recordsize != sizeof(*p))
2020 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2021 // byteswap in place and keep the pointer
2022 numfaces = numrecords;
2023 faces = (pskface_t *)buffer;
2024 for (index = 0, p = (pskface_t *)buffer;index < numrecords;index++, p++)
2026 p->vtxwindex[0] = LittleShort(p->vtxwindex[0]);
2027 p->vtxwindex[1] = LittleShort(p->vtxwindex[1]);
2028 p->vtxwindex[2] = LittleShort(p->vtxwindex[2]);
2029 p->group = LittleLong(p->group);
2030 if (p->vtxwindex[0] >= numvtxw)
2032 Con_Printf("%s: face->vtxwindex[0] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[0], numvtxw);
2033 p->vtxwindex[0] = 0;
2035 if (p->vtxwindex[1] >= numvtxw)
2037 Con_Printf("%s: face->vtxwindex[1] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[1], numvtxw);
2038 p->vtxwindex[1] = 0;
2040 if (p->vtxwindex[2] >= numvtxw)
2042 Con_Printf("%s: face->vtxwindex[2] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[2], numvtxw);
2043 p->vtxwindex[2] = 0;
2048 else if (!strcmp(pchunk->id, "MATT0000"))
2051 if (recordsize != sizeof(*p))
2052 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2053 // byteswap in place and keep the pointer
2054 nummatts = numrecords;
2055 matts = (pskmatt_t *)buffer;
2056 for (index = 0, p = (pskmatt_t *)buffer;index < numrecords;index++, p++)
2062 else if (!strcmp(pchunk->id, "REFSKELT"))
2065 if (recordsize != sizeof(*p))
2066 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2067 // byteswap in place and keep the pointer
2068 numbones = numrecords;
2069 bones = (pskboneinfo_t *)buffer;
2070 for (index = 0, p = (pskboneinfo_t *)buffer;index < numrecords;index++, p++)
2072 p->numchildren = LittleLong(p->numchildren);
2073 p->parent = LittleLong(p->parent);
2074 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2075 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2076 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2077 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2078 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2079 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2080 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2081 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2082 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2083 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2084 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2085 #ifdef PSKQUATNEGATIONS
2088 p->basepose.quat[0] *= -1;
2089 p->basepose.quat[1] *= -1;
2090 p->basepose.quat[2] *= -1;
2094 p->basepose.quat[0] *= 1;
2095 p->basepose.quat[1] *= -1;
2096 p->basepose.quat[2] *= 1;
2099 if (p->parent < 0 || p->parent >= numbones)
2101 Con_Printf("%s: bone->parent %i >= numbones %i\n", loadmodel->name, p->parent, numbones);
2107 else if (!strcmp(pchunk->id, "RAWWEIGHTS"))
2110 if (recordsize != sizeof(*p))
2111 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2112 // byteswap in place and keep the pointer
2113 numrawweights = numrecords;
2114 rawweights = (pskrawweights_t *)buffer;
2115 for (index = 0, p = (pskrawweights_t *)buffer;index < numrecords;index++, p++)
2117 p->weight = LittleFloat(p->weight);
2118 p->pntsindex = LittleLong(p->pntsindex);
2119 p->boneindex = LittleLong(p->boneindex);
2120 if (p->pntsindex < 0 || p->pntsindex >= numpnts)
2122 Con_Printf("%s: weight->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2125 if (p->boneindex < 0 || p->boneindex >= numbones)
2127 Con_Printf("%s: weight->boneindex %i >= numbones %i\n", loadmodel->name, p->boneindex, numbones);
2135 while (animbuffer < animbufferend)
2137 pchunk = (pskchunk_t *)animbuffer;
2138 animbuffer = (void *)((unsigned char *)animbuffer + sizeof(pskchunk_t));
2139 version = LittleLong(pchunk->version);
2140 recordsize = LittleLong(pchunk->recordsize);
2141 numrecords = LittleLong(pchunk->numrecords);
2142 if (developer.integer >= 100)
2143 Con_Printf("%s: %s %x: %i * %i = %i\n", animname, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2144 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2145 Con_Printf ("%s: chunk %s has unknown version %x (0x1e83b9, 0x1e9179, 0x2e, 0x12f2bc, 0x12f2f0 are currently supported), trying to load anyway!\n", animname, pchunk->id, version);
2146 if (!strcmp(pchunk->id, "ANIMHEAD"))
2150 else if (!strcmp(pchunk->id, "BONENAMES"))
2153 if (recordsize != sizeof(*p))
2154 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2155 // byteswap in place and keep the pointer
2156 numanimbones = numrecords;
2157 animbones = (pskboneinfo_t *)animbuffer;
2158 // NOTE: supposedly psa does not need to match the psk model, the
2159 // bones missing from the psa would simply use their base
2160 // positions from the psk, but this is hard for me to implement
2161 // and people can easily make animations that match.
2162 if (numanimbones != numbones)
2163 Host_Error("%s: this loader only supports animations with the same bones as the mesh");
2164 for (index = 0, p = (pskboneinfo_t *)animbuffer;index < numrecords;index++, p++)
2166 p->numchildren = LittleLong(p->numchildren);
2167 p->parent = LittleLong(p->parent);
2168 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2169 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2170 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2171 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2172 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2173 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2174 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2175 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2176 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2177 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2178 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2179 #ifdef PSKQUATNEGATIONS
2182 p->basepose.quat[0] *= -1;
2183 p->basepose.quat[1] *= -1;
2184 p->basepose.quat[2] *= -1;
2188 p->basepose.quat[0] *= 1;
2189 p->basepose.quat[1] *= -1;
2190 p->basepose.quat[2] *= 1;
2193 if (p->parent < 0 || p->parent >= numanimbones)
2195 Con_Printf("%s: bone->parent %i >= numanimbones %i\n", animname, p->parent, numanimbones);
2198 // check that bones are the same as in the base
2199 if (strcmp(p->name, bones[index].name) || p->parent != bones[index].parent)
2200 Host_Error("%s: this loader only supports animations with the same bones as the mesh", animname);
2204 else if (!strcmp(pchunk->id, "ANIMINFO"))
2207 if (recordsize != sizeof(*p))
2208 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2209 // byteswap in place and keep the pointer
2210 numanims = numrecords;
2211 anims = (pskaniminfo_t *)animbuffer;
2212 for (index = 0, p = (pskaniminfo_t *)animbuffer;index < numrecords;index++, p++)
2214 p->numbones = LittleLong(p->numbones);
2215 p->playtime = LittleFloat(p->playtime);
2216 p->fps = LittleFloat(p->fps);
2217 p->firstframe = LittleLong(p->firstframe);
2218 p->numframes = LittleLong(p->numframes);
2219 if (p->numbones != numbones)
2220 Con_Printf("%s: animinfo->numbones != numbones, trying to load anyway!\n", animname);
2224 else if (!strcmp(pchunk->id, "ANIMKEYS"))
2227 if (recordsize != sizeof(*p))
2228 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2229 numanimkeys = numrecords;
2230 animkeys = (pskanimkeys_t *)animbuffer;
2231 for (index = 0, p = (pskanimkeys_t *)animbuffer;index < numrecords;index++, p++)
2233 p->origin[0] = LittleFloat(p->origin[0]);
2234 p->origin[1] = LittleFloat(p->origin[1]);
2235 p->origin[2] = LittleFloat(p->origin[2]);
2236 p->quat[0] = LittleFloat(p->quat[0]);
2237 p->quat[1] = LittleFloat(p->quat[1]);
2238 p->quat[2] = LittleFloat(p->quat[2]);
2239 p->quat[3] = LittleFloat(p->quat[3]);
2240 p->frametime = LittleFloat(p->frametime);
2241 #ifdef PSKQUATNEGATIONS
2242 if (index % numbones)
2257 // TODO: allocate bonepose stuff
2260 Con_Printf("%s: unknown chunk ID \"%s\"\n", animname, pchunk->id);
2263 if (!numpnts || !pnts || !numvtxw || !vtxw || !numfaces || !faces || !nummatts || !matts || !numbones || !bones || !numrawweights || !rawweights || !numanims || !anims || !numanimkeys || !animkeys)
2264 Host_Error("%s: missing required chunks", loadmodel->name);
2266 loadmodel->numframes = 0;
2267 for (index = 0;index < numanims;index++)
2268 loadmodel->numframes += anims[index].numframes;
2270 if (numanimkeys != numbones * loadmodel->numframes)
2271 Host_Error("%s: %s has incorrect number of animation keys", animname, pchunk->id);
2273 meshvertices = numvtxw;
2274 meshtriangles = numfaces;
2276 // load external .skin files if present
2277 skinfiles = Mod_LoadSkinFiles();
2278 if (loadmodel->numskins < 1)
2279 loadmodel->numskins = 1;
2280 loadmodel->num_bones = numbones;
2281 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
2282 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = nummatts;
2283 // do most allocations as one merged chunk
2284 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(int[4]) + sizeof(float[4])) + loadmodel->num_poses * sizeof(float[36]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
2285 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
2286 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
2287 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
2288 loadmodel->surfmesh.num_vertices = meshvertices;
2289 loadmodel->surfmesh.num_triangles = meshtriangles;
2290 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2291 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2292 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
2293 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2294 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2295 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
2296 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
2297 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
2298 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
2299 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2300 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2301 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2302 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
2303 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
2304 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
2306 for (i = 0;i < loadmodel->numskins;i++)
2308 loadmodel->skinscenes[i].firstframe = i;
2309 loadmodel->skinscenes[i].framecount = 1;
2310 loadmodel->skinscenes[i].loop = true;
2311 loadmodel->skinscenes[i].framerate = 10;
2315 for (index = 0, i = 0;index < nummatts;index++)
2317 // since psk models do not have named sections, reuse their shader name as the section name
2318 if (matts[index].name[0])
2319 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + index, skinfiles, matts[index].name, matts[index].name);
2321 for (j = 0;j < loadmodel->numskins;j++)
2322 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + index + j * loadmodel->num_surfaces, NULL);
2323 loadmodel->surfacelist[index] = index;
2324 loadmodel->data_surfaces[index].texture = loadmodel->data_textures + index;
2325 loadmodel->data_surfaces[index].num_firstvertex = 0;
2326 loadmodel->data_surfaces[index].num_vertices = loadmodel->surfmesh.num_vertices;
2329 // copy over the vertex locations and texcoords
2330 for (index = 0;index < numvtxw;index++)
2332 loadmodel->surfmesh.data_vertex3f[index*3+0] = pnts[vtxw[index].pntsindex].origin[0];
2333 loadmodel->surfmesh.data_vertex3f[index*3+1] = pnts[vtxw[index].pntsindex].origin[1];
2334 loadmodel->surfmesh.data_vertex3f[index*3+2] = pnts[vtxw[index].pntsindex].origin[2];
2335 loadmodel->surfmesh.data_texcoordtexture2f[index*2+0] = vtxw[index].texcoord[0];
2336 loadmodel->surfmesh.data_texcoordtexture2f[index*2+1] = vtxw[index].texcoord[1];
2339 // loading the faces is complicated because we need to sort them into surfaces by mattindex
2340 for (index = 0;index < numfaces;index++)
2341 loadmodel->data_surfaces[faces[index].mattindex].num_triangles++;
2342 for (index = 0, i = 0;index < nummatts;index++)
2344 loadmodel->data_surfaces[index].num_firsttriangle = i;
2345 i += loadmodel->data_surfaces[index].num_triangles;
2346 loadmodel->data_surfaces[index].num_triangles = 0;
2348 for (index = 0;index < numfaces;index++)
2350 i = (loadmodel->data_surfaces[faces[index].mattindex].num_firsttriangle + loadmodel->data_surfaces[faces[index].mattindex].num_triangles++)*3;
2351 loadmodel->surfmesh.data_element3i[i+0] = faces[index].vtxwindex[0];
2352 loadmodel->surfmesh.data_element3i[i+1] = faces[index].vtxwindex[1];
2353 loadmodel->surfmesh.data_element3i[i+2] = faces[index].vtxwindex[2];
2356 // copy over the bones
2357 for (index = 0;index < numbones;index++)
2359 strlcpy(loadmodel->data_bones[index].name, bones[index].name, sizeof(loadmodel->data_bones[index].name));
2360 loadmodel->data_bones[index].parent = (index || bones[index].parent > 0) ? bones[index].parent : -1;
2361 if (loadmodel->data_bones[index].parent >= index)
2362 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, index, index);
2365 // sort the psk point weights into the vertex weight tables
2366 // (which only accept up to 4 bones per vertex)
2367 for (index = 0;index < numvtxw;index++)
2371 for (j = 0;j < numrawweights;j++)
2373 if (rawweights[j].pntsindex == vtxw[index].pntsindex)
2375 int boneindex = rawweights[j].boneindex;
2376 float influence = rawweights[j].weight;
2377 for (l = 0;l < 4;l++)
2379 if (loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] < influence)
2381 // move lower influence weights out of the way first
2383 for (l2 = 3;l2 > l;l2--)
2385 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2-1];
2386 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2-1];
2388 // store the new weight
2389 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] = influence;
2390 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l] = boneindex;
2397 for (l = 0;l < 4;l++)
2398 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l];
2399 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2401 float f = 1.0f / sum;
2402 for (l = 0;l < 4;l++)
2403 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] *= f;
2407 // set up the animscenes based on the anims
2408 for (index = 0, i = 0;index < numanims;index++)
2410 for (j = 0;j < anims[index].numframes;j++, i++)
2412 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "%s_%d", anims[index].name, j);
2413 loadmodel->animscenes[i].firstframe = i;
2414 loadmodel->animscenes[i].framecount = 1;
2415 loadmodel->animscenes[i].loop = true;
2416 loadmodel->animscenes[i].framerate = 10;
2420 // load the poses from the animkeys
2421 for (index = 0;index < numanimkeys;index++)
2424 Mod_PSKMODEL_AnimKeyToMatrix(animkeys[index].origin, animkeys[index].quat, &matrix);
2425 loadmodel->data_poses[index*12+0] = matrix.m[0][0];
2426 loadmodel->data_poses[index*12+1] = matrix.m[0][1];
2427 loadmodel->data_poses[index*12+2] = matrix.m[0][2];
2428 loadmodel->data_poses[index*12+3] = matrix.m[0][3];
2429 loadmodel->data_poses[index*12+4] = matrix.m[1][0];
2430 loadmodel->data_poses[index*12+5] = matrix.m[1][1];
2431 loadmodel->data_poses[index*12+6] = matrix.m[1][2];
2432 loadmodel->data_poses[index*12+7] = matrix.m[1][3];
2433 loadmodel->data_poses[index*12+8] = matrix.m[2][0];
2434 loadmodel->data_poses[index*12+9] = matrix.m[2][1];
2435 loadmodel->data_poses[index*12+10] = matrix.m[2][2];
2436 loadmodel->data_poses[index*12+11] = matrix.m[2][3];
2438 Mod_FreeSkinFiles(skinfiles);
2439 Mem_Free(animfilebuffer);
2441 // compute all the mesh information that was not loaded from the file
2442 // TODO: honor smoothing groups somehow?
2443 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
2444 Mod_BuildBaseBonePoses();
2445 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
2446 Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
2447 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2448 Mod_Alias_CalculateBoundingBox();