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 float mod_md3_sin[320];
34 void Mod_AliasInit (void)
37 Cvar_RegisterVariable(&r_skeletal_debugbone);
38 Cvar_RegisterVariable(&r_skeletal_debugbonecomponent);
39 Cvar_RegisterVariable(&r_skeletal_debugbonevalue);
40 Cvar_RegisterVariable(&r_skeletal_debugtranslatex);
41 Cvar_RegisterVariable(&r_skeletal_debugtranslatey);
42 Cvar_RegisterVariable(&r_skeletal_debugtranslatez);
43 for (i = 0;i < 320;i++)
44 mod_md3_sin[i] = sin(i * M_PI * 2.0f / 256.0);
47 void Mod_Alias_GetMesh_Vertices(const model_t *model, const frameblend_t *frameblend, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f)
50 if (model->surfmesh.data_vertexweightindex4i)
52 // vertex weighted skeletal
54 float boneposerelative[MAX_BONES][12];
55 // interpolate matrices and concatenate them to their parents
56 for (i = 0;i < model->num_bones;i++)
59 float *matrix, m[12], bonepose[MAX_BONES][12];
60 for (k = 0;k < 12;k++)
62 for (blends = 0;blends < 4 && frameblend[blends].lerp > 0;blends++)
64 matrix = model->data_poses + (frameblend[blends].frame * model->num_bones + i) * 12;
65 for (k = 0;k < 12;k++)
66 m[k] += matrix[k] * frameblend[blends].lerp;
68 if (i == r_skeletal_debugbone.integer)
69 m[r_skeletal_debugbonecomponent.integer % 12] += r_skeletal_debugbonevalue.value;
70 m[3] *= r_skeletal_debugtranslatex.value;
71 m[7] *= r_skeletal_debugtranslatey.value;
72 m[11] *= r_skeletal_debugtranslatez.value;
73 if (model->data_bones[i].parent >= 0)
74 R_ConcatTransforms(bonepose[model->data_bones[i].parent], m, bonepose[i]);
76 for (k = 0;k < 12;k++)
77 bonepose[i][k] = m[k];
78 // create a relative deformation matrix to describe displacement
79 // from the base mesh, which is used by the actual weighting
80 R_ConcatTransforms(bonepose[i], model->data_baseboneposeinverse + i * 12, boneposerelative[i]);
82 // blend the vertex bone weights
83 // special case for the extremely common wf[0] == 1 because it saves 3 multiplies per array when compared to the other case (w[0] is always 1 if only one bone controls this vertex, artists only use multiple bones for certain special cases)
84 // special case for the first bone because it avoids the need to memset the arrays before filling
86 const float *v = model->surfmesh.data_vertex3f;
87 const int *wi = model->surfmesh.data_vertexweightindex4i;
88 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
89 memset(vertex3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
90 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, wi += 4, wf += 4, vertex3f += 3)
94 const float *m = boneposerelative[wi[0]];
95 vertex3f[0] = (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
96 vertex3f[1] = (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
97 vertex3f[2] = (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
101 const float *m = boneposerelative[wi[0]];
103 vertex3f[0] = f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
104 vertex3f[1] = f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
105 vertex3f[2] = f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
106 for (k = 1;k < 4 && wf[k];k++)
108 const float *m = boneposerelative[wi[k]];
110 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
111 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
112 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
119 const float *n = model->surfmesh.data_normal3f;
120 const int *wi = model->surfmesh.data_vertexweightindex4i;
121 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
122 memset(normal3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
123 for (i = 0;i < model->surfmesh.num_vertices;i++, n += 3, wi += 4, wf += 4, normal3f += 3)
127 const float *m = boneposerelative[wi[0]];
128 normal3f[0] = (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
129 normal3f[1] = (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
130 normal3f[2] = (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
134 const float *m = boneposerelative[wi[0]];
136 normal3f[0] = f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
137 normal3f[1] = f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
138 normal3f[2] = f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
139 for (k = 1;k < 4 && wf[k];k++)
141 const float *m = boneposerelative[wi[k]];
143 normal3f[0] += f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
144 normal3f[1] += f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
145 normal3f[2] += f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
152 const float *sv = model->surfmesh.data_svector3f;
153 const int *wi = model->surfmesh.data_vertexweightindex4i;
154 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
155 memset(svector3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
156 for (i = 0;i < model->surfmesh.num_vertices;i++, sv += 3, wi += 4, wf += 4, svector3f += 3)
160 const float *m = boneposerelative[wi[0]];
161 svector3f[0] = (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
162 svector3f[1] = (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
163 svector3f[2] = (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
167 const float *m = boneposerelative[wi[0]];
169 svector3f[0] = f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
170 svector3f[1] = f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
171 svector3f[2] = f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
172 for (k = 1;k < 4 && wf[k];k++)
174 const float *m = boneposerelative[wi[k]];
176 svector3f[0] += f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
177 svector3f[1] += f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
178 svector3f[2] += f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
185 const float *tv = model->surfmesh.data_tvector3f;
186 const int *wi = model->surfmesh.data_vertexweightindex4i;
187 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
188 memset(tvector3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
189 for (i = 0;i < model->surfmesh.num_vertices;i++, tv += 3, wi += 4, wf += 4, tvector3f += 3)
193 const float *m = boneposerelative[wi[0]];
194 tvector3f[0] = (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
195 tvector3f[1] = (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
196 tvector3f[2] = (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
200 const float *m = boneposerelative[wi[0]];
202 tvector3f[0] = f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
203 tvector3f[1] = f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
204 tvector3f[2] = f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
205 for (k = 1;k < 4 && wf[k];k++)
207 const float *m = boneposerelative[wi[k]];
209 tvector3f[0] += f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
210 tvector3f[1] += f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
211 tvector3f[2] += f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
217 else if (model->surfmesh.data_morphmd3vertex)
220 int i, numblends, blendnum;
221 int numverts = model->surfmesh.num_vertices;
223 for (blendnum = 0;blendnum < 4;blendnum++)
225 //VectorMA(translate, model->surfmesh.num_morphmdlframetranslate, frameblend[blendnum].lerp, translate);
226 if (frameblend[blendnum].lerp > 0)
227 numblends = blendnum + 1;
229 // special case for the first blend because it avoids some adds and the need to memset the arrays first
230 for (blendnum = 0;blendnum < numblends;blendnum++)
232 const md3vertex_t *verts = model->surfmesh.data_morphmd3vertex + numverts * frameblend[blendnum].frame;
233 float scale = frameblend[blendnum].lerp * (1.0f / 64.0f);
236 for (i = 0;i < numverts;i++)
238 vertex3f[i * 3 + 0] = verts[i].origin[0] * scale;
239 vertex3f[i * 3 + 1] = verts[i].origin[1] * scale;
240 vertex3f[i * 3 + 2] = verts[i].origin[2] * scale;
245 for (i = 0;i < numverts;i++)
247 vertex3f[i * 3 + 0] += verts[i].origin[0] * scale;
248 vertex3f[i * 3 + 1] += verts[i].origin[1] * scale;
249 vertex3f[i * 3 + 2] += verts[i].origin[2] * scale;
252 // the yaw and pitch stored in md3 models are 8bit quantized angles
253 // (0-255), and as such a lookup table is very well suited to
254 // decoding them, and since cosine is equivilant to sine with an
255 // extra 45 degree rotation, this uses one lookup table for both
256 // sine and cosine with a +64 bias to get cosine.
259 float lerp = frameblend[blendnum].lerp;
262 for (i = 0;i < numverts;i++)
264 normal3f[i * 3 + 0] = mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
265 normal3f[i * 3 + 1] = mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
266 normal3f[i * 3 + 2] = mod_md3_sin[verts[i].pitch + 64] * lerp;
271 for (i = 0;i < numverts;i++)
273 normal3f[i * 3 + 0] += mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
274 normal3f[i * 3 + 1] += mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
275 normal3f[i * 3 + 2] += mod_md3_sin[verts[i].pitch + 64] * lerp;
280 // md3 model vertices do not include tangents, so we have to generate them (extremely slow)
283 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);
285 else if (model->surfmesh.data_morphmdlvertex)
288 int i, numblends, blendnum;
289 int numverts = model->surfmesh.num_vertices;
291 VectorClear(translate);
293 // blend the frame translates to avoid redundantly doing so on each vertex
294 // (a bit of a brain twister but it works)
295 for (blendnum = 0;blendnum < 4;blendnum++)
297 if (model->surfmesh.data_morphmd2framesize6f)
298 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6 + 3, translate);
300 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.num_morphmdlframetranslate, translate);
301 if (frameblend[blendnum].lerp > 0)
302 numblends = blendnum + 1;
304 // special case for the first blend because it avoids some adds and the need to memset the arrays first
305 for (blendnum = 0;blendnum < numblends;blendnum++)
307 const trivertx_t *verts = model->surfmesh.data_morphmdlvertex + numverts * frameblend[blendnum].frame;
309 if (model->surfmesh.data_morphmd2framesize6f)
310 VectorScale(model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6, frameblend[blendnum].lerp, scale);
312 VectorScale(model->surfmesh.num_morphmdlframescale, frameblend[blendnum].lerp, scale);
315 for (i = 0;i < numverts;i++)
317 vertex3f[i * 3 + 0] = translate[0] + verts[i].v[0] * scale[0];
318 vertex3f[i * 3 + 1] = translate[1] + verts[i].v[1] * scale[1];
319 vertex3f[i * 3 + 2] = translate[2] + verts[i].v[2] * scale[2];
324 for (i = 0;i < numverts;i++)
326 vertex3f[i * 3 + 0] += verts[i].v[0] * scale[0];
327 vertex3f[i * 3 + 1] += verts[i].v[1] * scale[1];
328 vertex3f[i * 3 + 2] += verts[i].v[2] * scale[2];
331 // the vertex normals in mdl models are an index into a table of
332 // 162 unique values, this very crude quantization reduces the
333 // vertex normal to only one byte, which saves a lot of space but
334 // also makes lighting pretty coarse
337 float lerp = frameblend[blendnum].lerp;
340 for (i = 0;i < numverts;i++)
342 const float *vn = m_bytenormals[verts[i].lightnormalindex];
343 VectorScale(vn, lerp, normal3f + i*3);
348 for (i = 0;i < numverts;i++)
350 const float *vn = m_bytenormals[verts[i].lightnormalindex];
351 VectorMA(normal3f + i*3, lerp, vn, normal3f + i*3);
358 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);
361 Host_Error("model %s has no skeletal or vertex morph animation data", model->name);
364 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
366 const float *boneframe;
367 float tempbonematrix[12], bonematrix[12];
368 *outmatrix = identitymatrix;
369 if (model->num_bones)
371 if (tagindex < 0 || tagindex >= model->num_bones)
373 if (poseframe >= model->num_poses)
375 boneframe = model->data_poses + poseframe * model->num_bones * 12;
376 memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
377 while (model->data_bones[tagindex].parent >= 0)
379 memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
380 R_ConcatTransforms(boneframe + model->data_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
381 tagindex = model->data_bones[tagindex].parent;
383 Matrix4x4_FromArray12FloatD3D(outmatrix, bonematrix);
385 else if (model->num_tags)
387 if (tagindex < 0 || tagindex >= model->num_tags)
389 if (poseframe >= model->num_tagframes)
391 Matrix4x4_FromArray12FloatGL(outmatrix, model->data_tags[poseframe * model->num_tags + tagindex].matrixgl);
396 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
399 if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
400 for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
401 if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
403 if (model->num_bones)
404 for (i = 0;i < model->num_bones;i++)
405 if (!strcasecmp(tagname, model->data_bones[i].name))
408 for (i = 0;i < model->num_tags;i++)
409 if (!strcasecmp(tagname, model->data_tags[i].name))
414 static void Mod_BuildBaseBonePoses(void)
418 float *basebonepose = Mem_Alloc(tempmempool, loadmodel->num_bones * sizeof(float[12]));
419 float *in12f = loadmodel->data_poses;
420 float *out12f = basebonepose;
421 float *outinv12f = loadmodel->data_baseboneposeinverse;
422 for (i = 0;i < loadmodel->num_bones;i++, in12f += 12, out12f += 12, outinv12f += 12)
424 if (loadmodel->data_bones[i].parent >= 0)
425 R_ConcatTransforms(basebonepose + 12 * loadmodel->data_bones[i].parent, in12f, out12f);
427 for (k = 0;k < 12;k++)
428 out12f[k] = in12f[k];
432 // we only support uniform scaling, so assume the first row is enough
433 // (note the lack of sqrt here, because we're trying to undo the scaling,
434 // this means multiplying by the inverse scale twice - squaring it, which
435 // makes the sqrt a waste of time)
436 scale = 1.0 / (out12f[ 0] * out12f[ 0] + out12f[ 1] * out12f[ 1] + out12f[ 2] * out12f[ 2]);
438 // invert the rotation by transposing and multiplying by the squared
439 // recipricol of the input matrix scale as described above
440 outinv12f[ 0] = (float)(out12f[ 0] * scale);
441 outinv12f[ 1] = (float)(out12f[ 4] * scale);
442 outinv12f[ 2] = (float)(out12f[ 8] * scale);
443 outinv12f[ 4] = (float)(out12f[ 1] * scale);
444 outinv12f[ 5] = (float)(out12f[ 5] * scale);
445 outinv12f[ 6] = (float)(out12f[ 9] * scale);
446 outinv12f[ 8] = (float)(out12f[ 2] * scale);
447 outinv12f[ 9] = (float)(out12f[ 6] * scale);
448 outinv12f[10] = (float)(out12f[10] * scale);
450 // invert the translate
451 outinv12f[ 3] = -(out12f[ 3] * outinv12f[ 0] + out12f[ 7] * outinv12f[ 1] + out12f[11] * outinv12f[ 2]);
452 outinv12f[ 7] = -(out12f[ 3] * outinv12f[ 4] + out12f[ 7] * outinv12f[ 5] + out12f[11] * outinv12f[ 6]);
453 outinv12f[11] = -(out12f[ 3] * outinv12f[ 8] + out12f[ 7] * outinv12f[ 9] + out12f[11] * outinv12f[10]);
455 Mem_Free(basebonepose);
458 static void Mod_Alias_CalculateBoundingBox(void)
462 qboolean firstvertex = true;
463 float dist, yawradius, radius;
466 frameblend_t frameblend[4];
467 memset(frameblend, 0, sizeof(frameblend));
468 frameblend[0].lerp = 1;
469 vertex3f = Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3]));
470 VectorClear(loadmodel->normalmins);
471 VectorClear(loadmodel->normalmaxs);
474 for (i = 0;i < loadmodel->numframes;i++)
476 for (j = 0, frameblend[0].frame = loadmodel->animscenes[i].firstframe;j < loadmodel->animscenes[i].framecount;j++, frameblend[0].frame++)
478 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, vertex3f, NULL, NULL, NULL);
479 for (vnum = 0, v = vertex3f;vnum < loadmodel->surfmesh.num_vertices;vnum++, v += 3)
484 VectorCopy(v, loadmodel->normalmins);
485 VectorCopy(v, loadmodel->normalmaxs);
489 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
490 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
491 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
492 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
493 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
494 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
496 dist = v[0] * v[0] + v[1] * v[1];
497 if (yawradius < dist)
506 radius = sqrt(radius);
507 yawradius = sqrt(yawradius);
508 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
509 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
510 loadmodel->yawmins[2] = loadmodel->normalmins[2];
511 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
512 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
513 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
514 loadmodel->radius = radius;
515 loadmodel->radius2 = radius * radius;
518 static void Mod_Alias_Mesh_CompileFrameZero(void)
520 frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
521 loadmodel->surfmesh.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3][4]));
522 loadmodel->surfmesh.data_svector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 3;
523 loadmodel->surfmesh.data_tvector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 6;
524 loadmodel->surfmesh.data_normal3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 9;
525 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f);
528 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)
531 float segmentmins[3], segmentmaxs[3];
532 frameblend_t frameblend[4];
534 static int maxvertices = 0;
535 static float *vertex3f = NULL;
536 memset(trace, 0, sizeof(*trace));
538 trace->realfraction = 1;
539 trace->hitsupercontentsmask = hitsupercontentsmask;
540 memset(frameblend, 0, sizeof(frameblend));
541 frameblend[0].frame = frame;
542 frameblend[0].lerp = 1;
543 if (maxvertices < model->surfmesh.num_vertices)
547 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
548 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
550 if (VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
553 segmentmins[0] = min(start[0], end[0]) - 1;
554 segmentmins[1] = min(start[1], end[1]) - 1;
555 segmentmins[2] = min(start[2], end[2]) - 1;
556 segmentmaxs[0] = max(start[0], end[0]) + 1;
557 segmentmaxs[1] = max(start[1], end[1]) + 1;
558 segmentmaxs[2] = max(start[2], end[2]) + 1;
559 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
561 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
562 Collision_TraceLineTriangleMeshFloat(trace, start, end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
567 // box trace, performed as brush trace
568 colbrushf_t *thisbrush_start, *thisbrush_end;
569 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
570 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
571 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
572 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
573 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
574 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
575 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
576 VectorAdd(start, boxmins, boxstartmins);
577 VectorAdd(start, boxmaxs, boxstartmaxs);
578 VectorAdd(end, boxmins, boxendmins);
579 VectorAdd(end, boxmaxs, boxendmaxs);
580 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
581 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
582 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
584 if (maxvertices < model->surfmesh.num_vertices)
588 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
589 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
591 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
592 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
597 static void Mod_ConvertAliasVerts (int inverts, trivertx_t *v, trivertx_t *out, int *vertremap)
600 for (i = 0;i < inverts;i++)
602 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
604 j = vertremap[i]; // not onseam
607 j = vertremap[i+inverts]; // onseam
613 static void Mod_MDL_LoadFrames (unsigned char* datapointer, int inverts, int *vertremap)
615 int i, f, pose, groupframes;
617 daliasframetype_t *pframetype;
618 daliasframe_t *pinframe;
619 daliasgroup_t *group;
620 daliasinterval_t *intervals;
623 scene = loadmodel->animscenes;
624 for (f = 0;f < loadmodel->numframes;f++)
626 pframetype = (daliasframetype_t *)datapointer;
627 datapointer += sizeof(daliasframetype_t);
628 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
630 // a single frame is still treated as a group
637 group = (daliasgroup_t *)datapointer;
638 datapointer += sizeof(daliasgroup_t);
639 groupframes = LittleLong (group->numframes);
641 // intervals (time per frame)
642 intervals = (daliasinterval_t *)datapointer;
643 datapointer += sizeof(daliasinterval_t) * groupframes;
645 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
646 if (interval < 0.01f)
648 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
653 // get scene name from first frame
654 pinframe = (daliasframe_t *)datapointer;
656 strlcpy(scene->name, pinframe->name, sizeof(scene->name));
657 scene->firstframe = pose;
658 scene->framecount = groupframes;
659 scene->framerate = 1.0f / interval;
664 for (i = 0;i < groupframes;i++)
666 pinframe = (daliasframe_t *)datapointer;
667 datapointer += sizeof(daliasframe_t);
668 Mod_ConvertAliasVerts(inverts, (trivertx_t *)datapointer, loadmodel->surfmesh.data_morphmdlvertex + pose * loadmodel->surfmesh.num_vertices, vertremap);
669 datapointer += sizeof(trivertx_t) * inverts;
675 static void Mod_BuildAliasSkinFromSkinFrame(texture_t *texture, skinframe_t *skinframe)
677 if (cls.state == ca_dedicated)
681 skinframe = R_SkinFrame_LoadMissing();
682 texture->currentframe = texture;
683 texture->numskinframes = 1;
684 texture->skinframerate = 1;
685 texture->skinframes[0] = skinframe;
686 texture->currentskinframe = skinframe;
688 texture->basematerialflags = MATERIALFLAG_WALL;
689 if (texture->currentskinframe->fog)
690 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
691 texture->currentmaterialflags = texture->basematerialflags;
694 static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
697 skinfileitem_t *skinfileitem;
698 skinframe_t *tempskinframe;
701 // the skin += loadmodel->num_surfaces part of this is because data_textures on alias models is arranged as [numskins][numsurfaces]
702 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin += loadmodel->num_surfaces)
704 memset(skin, 0, sizeof(*skin));
705 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
706 // don't render unmentioned meshes
707 skin->basematerialflags = skin->currentmaterialflags = 0;
709 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
711 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
712 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
714 tempskinframe = R_SkinFrame_LoadExternal(skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP);
716 if (cls.state != ca_dedicated)
717 Con_DPrintf("mesh \"%s\": failed to load skin #%i \"%s\"\n", meshname, i, skinfileitem->replacement);
718 Mod_BuildAliasSkinFromSkinFrame(skin, tempskinframe);
726 tempskinframe = R_SkinFrame_LoadExternal(shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP);
728 if (cls.state != ca_dedicated)
729 Con_Printf("Can't find texture \"%s\" for mesh \"%s\", using grey checkerboard\n", shadername, meshname);
730 Mod_BuildAliasSkinFromSkinFrame(skin, tempskinframe);
734 #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);
735 #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);
736 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend)
738 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
739 float scales, scalet, interval;
743 stvert_t *pinstverts;
744 dtriangle_t *pintriangles;
745 daliasskintype_t *pinskintype;
746 daliasskingroup_t *pinskingroup;
747 daliasskininterval_t *pinskinintervals;
748 daliasframetype_t *pinframetype;
749 daliasgroup_t *pinframegroup;
750 unsigned char *datapointer, *startframes, *startskins;
751 char name[MAX_QPATH];
752 skinframe_t *tempskinframe;
753 animscene_t *tempskinscenes;
754 texture_t *tempaliasskins;
756 int *vertonseam, *vertremap;
757 skinfile_t *skinfiles;
759 datapointer = (unsigned char *)buffer;
760 pinmodel = (mdl_t *)datapointer;
761 datapointer += sizeof(mdl_t);
763 version = LittleLong (pinmodel->version);
764 if (version != ALIAS_VERSION)
765 Host_Error ("%s has wrong version number (%i should be %i)",
766 loadmodel->name, version, ALIAS_VERSION);
768 loadmodel->type = mod_alias;
769 loadmodel->DrawSky = NULL;
770 loadmodel->Draw = R_Q1BSP_Draw;
771 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
772 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
773 loadmodel->DrawLight = R_Q1BSP_DrawLight;
774 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
776 loadmodel->num_surfaces = 1;
777 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
778 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int));
779 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
780 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
781 loadmodel->surfacelist[0] = 0;
783 loadmodel->numskins = LittleLong(pinmodel->numskins);
784 BOUNDI(loadmodel->numskins,0,65536);
785 skinwidth = LittleLong (pinmodel->skinwidth);
786 BOUNDI(skinwidth,0,65536);
787 skinheight = LittleLong (pinmodel->skinheight);
788 BOUNDI(skinheight,0,65536);
789 numverts = LittleLong(pinmodel->numverts);
790 BOUNDI(numverts,0,65536);
791 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->numtris);
792 BOUNDI(loadmodel->surfmesh.num_triangles,0,65536);
793 loadmodel->numframes = LittleLong(pinmodel->numframes);
794 BOUNDI(loadmodel->numframes,0,65536);
795 loadmodel->synctype = (synctype_t)LittleLong (pinmodel->synctype);
796 BOUNDI(loadmodel->synctype,0,2);
797 // convert model flags to EF flags (MF_ROCKET becomes EF_ROCKET, etc)
798 i = LittleLong (pinmodel->flags);
799 loadmodel->effects = ((i & 255) << 24) | (i & 0x00FFFF00);
801 for (i = 0;i < 3;i++)
803 loadmodel->surfmesh.num_morphmdlframescale[i] = LittleFloat (pinmodel->scale[i]);
804 loadmodel->surfmesh.num_morphmdlframetranslate[i] = LittleFloat (pinmodel->scale_origin[i]);
807 startskins = datapointer;
809 for (i = 0;i < loadmodel->numskins;i++)
811 pinskintype = (daliasskintype_t *)datapointer;
812 datapointer += sizeof(daliasskintype_t);
813 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
817 pinskingroup = (daliasskingroup_t *)datapointer;
818 datapointer += sizeof(daliasskingroup_t);
819 groupskins = LittleLong(pinskingroup->numskins);
820 datapointer += sizeof(daliasskininterval_t) * groupskins;
823 for (j = 0;j < groupskins;j++)
825 datapointer += skinwidth * skinheight;
830 pinstverts = (stvert_t *)datapointer;
831 datapointer += sizeof(stvert_t) * numverts;
833 pintriangles = (dtriangle_t *)datapointer;
834 datapointer += sizeof(dtriangle_t) * loadmodel->surfmesh.num_triangles;
836 startframes = datapointer;
837 loadmodel->surfmesh.num_morphframes = 0;
838 for (i = 0;i < loadmodel->numframes;i++)
840 pinframetype = (daliasframetype_t *)datapointer;
841 datapointer += sizeof(daliasframetype_t);
842 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
846 pinframegroup = (daliasgroup_t *)datapointer;
847 datapointer += sizeof(daliasgroup_t);
848 groupframes = LittleLong(pinframegroup->numframes);
849 datapointer += sizeof(daliasinterval_t) * groupframes;
852 for (j = 0;j < groupframes;j++)
854 datapointer += sizeof(daliasframe_t);
855 datapointer += sizeof(trivertx_t) * numverts;
856 loadmodel->surfmesh.num_morphframes++;
860 // store texture coordinates into temporary array, they will be stored
861 // after usage is determined (triangle data)
862 vertst = (float *)Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
863 vertremap = (int *)Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
864 vertonseam = vertremap + numverts * 2;
866 scales = 1.0 / skinwidth;
867 scalet = 1.0 / skinheight;
868 for (i = 0;i < numverts;i++)
870 vertonseam[i] = LittleLong(pinstverts[i].onseam);
871 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
872 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
873 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
874 vertst[(i+numverts)*2+1] = vertst[i*2+1];
877 // load triangle data
878 loadmodel->surfmesh.data_element3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->surfmesh.num_triangles);
880 // read the triangle elements
881 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
882 for (j = 0;j < 3;j++)
883 loadmodel->surfmesh.data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
884 // validate (note numverts is used because this is the original data)
885 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, numverts, __FILE__, __LINE__);
886 // now butcher the elements according to vertonseam and tri->facesfront
887 // and then compact the vertex set to remove duplicates
888 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
889 if (!LittleLong(pintriangles[i].facesfront)) // backface
890 for (j = 0;j < 3;j++)
891 if (vertonseam[loadmodel->surfmesh.data_element3i[i*3+j]])
892 loadmodel->surfmesh.data_element3i[i*3+j] += numverts;
894 // (this uses vertremap to count usage to save some memory)
895 for (i = 0;i < numverts*2;i++)
897 for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
898 vertremap[loadmodel->surfmesh.data_element3i[i]]++;
899 // build remapping table and compact array
900 loadmodel->surfmesh.num_vertices = 0;
901 for (i = 0;i < numverts*2;i++)
905 vertremap[i] = loadmodel->surfmesh.num_vertices;
906 vertst[loadmodel->surfmesh.num_vertices*2+0] = vertst[i*2+0];
907 vertst[loadmodel->surfmesh.num_vertices*2+1] = vertst[i*2+1];
908 loadmodel->surfmesh.num_vertices++;
911 vertremap[i] = -1; // not used at all
913 // remap the elements to the new vertex set
914 for (i = 0;i < loadmodel->surfmesh.num_triangles * 3;i++)
915 loadmodel->surfmesh.data_element3i[i] = vertremap[loadmodel->surfmesh.data_element3i[i]];
916 // store the texture coordinates
917 loadmodel->surfmesh.data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->surfmesh.num_vertices);
918 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
920 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = vertst[i*2+0];
921 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = vertst[i*2+1];
925 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
926 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)Mem_Alloc(loadmodel->mempool, sizeof(trivertx_t) * loadmodel->surfmesh.num_morphframes * loadmodel->surfmesh.num_vertices);
927 loadmodel->surfmesh.data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
928 Mod_MDL_LoadFrames (startframes, numverts, vertremap);
929 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
930 Mod_Alias_CalculateBoundingBox();
931 Mod_Alias_Mesh_CompileFrameZero();
937 skinfiles = Mod_LoadSkinFiles();
938 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
939 loadmodel->num_textures = loadmodel->num_surfaces * totalskins;
940 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
941 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
944 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
945 Mod_FreeSkinFiles(skinfiles);
946 for (i = 0;i < loadmodel->numskins;i++)
948 loadmodel->skinscenes[i].firstframe = i;
949 loadmodel->skinscenes[i].framecount = 1;
950 loadmodel->skinscenes[i].loop = true;
951 loadmodel->skinscenes[i].framerate = 10;
957 datapointer = startskins;
958 for (i = 0;i < loadmodel->numskins;i++)
960 pinskintype = (daliasskintype_t *)datapointer;
961 datapointer += sizeof(daliasskintype_t);
963 if (pinskintype->type == ALIAS_SKIN_SINGLE)
970 pinskingroup = (daliasskingroup_t *)datapointer;
971 datapointer += sizeof(daliasskingroup_t);
973 groupskins = LittleLong (pinskingroup->numskins);
975 pinskinintervals = (daliasskininterval_t *)datapointer;
976 datapointer += sizeof(daliasskininterval_t) * groupskins;
978 interval = LittleFloat(pinskinintervals[0].interval);
979 if (interval < 0.01f)
981 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
986 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
987 loadmodel->skinscenes[i].firstframe = totalskins;
988 loadmodel->skinscenes[i].framecount = groupskins;
989 loadmodel->skinscenes[i].framerate = 1.0f / interval;
990 loadmodel->skinscenes[i].loop = true;
992 for (j = 0;j < groupskins;j++)
995 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
997 sprintf (name, "%s_%i", loadmodel->name, i);
998 tempskinframe = R_SkinFrame_LoadExternal(name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP);
1000 tempskinframe = R_SkinFrame_LoadInternal(name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP, true, r_fullbrights.integer, (unsigned char *)datapointer, skinwidth, skinheight, 8, NULL, NULL);
1001 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, tempskinframe);
1002 datapointer += skinwidth * skinheight;
1006 // check for skins that don't exist in the model, but do exist as external images
1007 // (this was added because yummyluv kept pestering me about support for it)
1008 while ((tempskinframe = R_SkinFrame_LoadExternal(va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP)))
1010 // expand the arrays to make room
1011 tempskinscenes = loadmodel->skinscenes;
1012 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
1013 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
1014 Mem_Free(tempskinscenes);
1016 tempaliasskins = loadmodel->data_textures;
1017 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * (totalskins + 1) * sizeof(texture_t));
1018 memcpy(loadmodel->data_textures, tempaliasskins, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
1019 Mem_Free(tempaliasskins);
1021 // store the info about the new skin
1022 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, tempskinframe);
1023 strlcpy(loadmodel->skinscenes[loadmodel->numskins].name, name, sizeof(loadmodel->skinscenes[loadmodel->numskins].name));
1024 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
1025 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
1026 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
1027 loadmodel->skinscenes[loadmodel->numskins].loop = true;
1029 //increase skin counts
1030 loadmodel->numskins++;
1033 // fix up the pointers since they are pointing at the old textures array
1034 // FIXME: this is a hack!
1035 for (j = 0;j < loadmodel->numskins * loadmodel->num_surfaces;j++)
1036 loadmodel->data_textures[j].currentframe = &loadmodel->data_textures[j];
1040 surface = loadmodel->data_surfaces;
1041 surface->texture = loadmodel->data_textures;
1042 surface->num_firsttriangle = 0;
1043 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1044 surface->num_firstvertex = 0;
1045 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1047 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1050 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
1052 int i, j, hashindex, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end;
1053 float iskinwidth, iskinheight;
1054 unsigned char *data;
1055 msurface_t *surface;
1057 unsigned char *base, *datapointer;
1058 md2frame_t *pinframe;
1060 md2triangle_t *intri;
1061 unsigned short *inst;
1062 struct md2verthash_s
1064 struct md2verthash_s *next;
1068 *hash, **md2verthash, *md2verthashdata;
1069 skinframe_t *tempskinframe;
1070 skinfile_t *skinfiles;
1072 pinmodel = (md2_t *)buffer;
1073 base = (unsigned char *)buffer;
1075 version = LittleLong (pinmodel->version);
1076 if (version != MD2ALIAS_VERSION)
1077 Host_Error ("%s has wrong version number (%i should be %i)",
1078 loadmodel->name, version, MD2ALIAS_VERSION);
1080 loadmodel->type = mod_alias;
1081 loadmodel->DrawSky = NULL;
1082 loadmodel->Draw = R_Q1BSP_Draw;
1083 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1084 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1085 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1086 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1088 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
1089 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
1090 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
1091 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
1092 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
1093 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
1094 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
1095 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
1097 end = LittleLong(pinmodel->ofs_end);
1098 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
1099 Host_Error ("%s is not a valid model", loadmodel->name);
1100 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
1101 Host_Error ("%s is not a valid model", loadmodel->name);
1102 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
1103 Host_Error ("%s is not a valid model", loadmodel->name);
1104 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
1105 Host_Error ("%s is not a valid model", loadmodel->name);
1106 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
1107 Host_Error ("%s is not a valid model", loadmodel->name);
1109 loadmodel->numskins = LittleLong(pinmodel->num_skins);
1110 numxyz = LittleLong(pinmodel->num_xyz);
1111 numst = LittleLong(pinmodel->num_st);
1112 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->num_tris);
1113 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1114 loadmodel->surfmesh.num_morphframes = loadmodel->numframes;
1115 skinwidth = LittleLong(pinmodel->skinwidth);
1116 skinheight = LittleLong(pinmodel->skinheight);
1117 iskinwidth = 1.0f / skinwidth;
1118 iskinheight = 1.0f / skinheight;
1120 loadmodel->num_surfaces = 1;
1121 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1122 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->numframes * sizeof(animscene_t) + loadmodel->numframes * sizeof(float[6]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]));
1123 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1124 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1125 loadmodel->surfacelist[0] = 0;
1126 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1127 loadmodel->surfmesh.data_morphmd2framesize6f = (float *)data;data += loadmodel->numframes * sizeof(float[6]);
1128 loadmodel->surfmesh.data_element3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1129 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1131 loadmodel->synctype = ST_RAND;
1134 inskin = (char *)(base + LittleLong(pinmodel->ofs_skins));
1135 skinfiles = Mod_LoadSkinFiles();
1138 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1139 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1140 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1141 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
1142 Mod_FreeSkinFiles(skinfiles);
1144 else if (loadmodel->numskins)
1146 // skins found (most likely not a player model)
1147 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1148 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1149 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1150 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
1152 tempskinframe = R_SkinFrame_LoadExternal(inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP);
1154 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
1155 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, tempskinframe);
1160 // no skins (most likely a player model)
1161 loadmodel->numskins = 1;
1162 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1163 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1164 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1165 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures, NULL);
1168 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1169 for (i = 0;i < loadmodel->numskins;i++)
1171 loadmodel->skinscenes[i].firstframe = i;
1172 loadmodel->skinscenes[i].framecount = 1;
1173 loadmodel->skinscenes[i].loop = true;
1174 loadmodel->skinscenes[i].framerate = 10;
1177 // load the triangles and stvert data
1178 inst = (unsigned short *)(base + LittleLong(pinmodel->ofs_st));
1179 intri = (md2triangle_t *)(base + LittleLong(pinmodel->ofs_tris));
1180 md2verthash = (struct md2verthash_s **)Mem_Alloc(tempmempool, 65536 * sizeof(hash));
1181 md2verthashdata = (struct md2verthash_s *)Mem_Alloc(tempmempool, loadmodel->surfmesh.num_triangles * 3 * sizeof(*hash));
1182 // swap the triangle list
1183 loadmodel->surfmesh.num_vertices = 0;
1184 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
1186 for (j = 0;j < 3;j++)
1188 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
1189 st = (unsigned short) LittleShort (intri[i].index_st[j]);
1192 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
1197 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
1200 hashindex = (xyz * 256 + st) & 65535;
1201 for (hash = md2verthash[hashindex];hash;hash = hash->next)
1202 if (hash->xyz == xyz && hash->st == st)
1206 hash = md2verthashdata + loadmodel->surfmesh.num_vertices++;
1209 hash->next = md2verthash[hashindex];
1210 md2verthash[hashindex] = hash;
1212 loadmodel->surfmesh.data_element3i[i*3+j] = (hash - md2verthashdata);
1216 vertremap = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(int));
1217 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[2]) + loadmodel->surfmesh.num_vertices * loadmodel->surfmesh.num_morphframes * sizeof(trivertx_t));
1218 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
1219 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)data;data += loadmodel->surfmesh.num_vertices * loadmodel->surfmesh.num_morphframes * sizeof(trivertx_t);
1220 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
1223 hash = md2verthashdata + i;
1224 vertremap[i] = hash->xyz;
1225 sts = LittleShort(inst[hash->st*2+0]);
1226 stt = LittleShort(inst[hash->st*2+1]);
1227 if (sts < 0 || sts >= skinwidth || stt < 0 || stt >= skinheight)
1229 Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, sts, stt, i);
1233 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = sts * iskinwidth;
1234 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = stt * iskinheight;
1237 Mem_Free(md2verthash);
1238 Mem_Free(md2verthashdata);
1241 datapointer = (base + LittleLong(pinmodel->ofs_frames));
1242 for (i = 0;i < loadmodel->surfmesh.num_morphframes;i++)
1247 pinframe = (md2frame_t *)datapointer;
1248 datapointer += sizeof(md2frame_t);
1249 // store the frame scale/translate into the appropriate array
1250 for (j = 0;j < 3;j++)
1252 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+j] = LittleFloat(pinframe->scale[j]);
1253 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+3+j] = LittleFloat(pinframe->translate[j]);
1255 // convert the vertices
1256 v = (trivertx_t *)datapointer;
1257 out = loadmodel->surfmesh.data_morphmdlvertex + i * loadmodel->surfmesh.num_vertices;
1258 for (k = 0;k < loadmodel->surfmesh.num_vertices;k++)
1259 out[k] = v[vertremap[k]];
1260 datapointer += numxyz * sizeof(trivertx_t);
1262 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1263 loadmodel->animscenes[i].firstframe = i;
1264 loadmodel->animscenes[i].framecount = 1;
1265 loadmodel->animscenes[i].framerate = 10;
1266 loadmodel->animscenes[i].loop = true;
1269 Mem_Free(vertremap);
1271 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1272 Mod_Alias_CalculateBoundingBox();
1273 Mod_Alias_Mesh_CompileFrameZero();
1275 surface = loadmodel->data_surfaces;
1276 surface->texture = loadmodel->data_textures;
1277 surface->num_firsttriangle = 0;
1278 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1279 surface->num_firstvertex = 0;
1280 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1282 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1285 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
1287 int i, j, k, version, meshvertices, meshtriangles;
1288 unsigned char *data;
1289 msurface_t *surface;
1290 md3modelheader_t *pinmodel;
1291 md3frameinfo_t *pinframe;
1294 skinfile_t *skinfiles;
1296 pinmodel = (md3modelheader_t *)buffer;
1298 if (memcmp(pinmodel->identifier, "IDP3", 4))
1299 Host_Error ("%s is not a MD3 (IDP3) file", loadmodel->name);
1300 version = LittleLong (pinmodel->version);
1301 if (version != MD3VERSION)
1302 Host_Error ("%s has wrong version number (%i should be %i)",
1303 loadmodel->name, version, MD3VERSION);
1305 skinfiles = Mod_LoadSkinFiles();
1306 if (loadmodel->numskins < 1)
1307 loadmodel->numskins = 1;
1309 loadmodel->type = mod_alias;
1310 loadmodel->DrawSky = NULL;
1311 loadmodel->Draw = R_Q1BSP_Draw;
1312 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1313 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1314 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1315 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1316 loadmodel->synctype = ST_RAND;
1317 // convert model flags to EF flags (MF_ROCKET becomes EF_ROCKET, etc)
1318 i = LittleLong (pinmodel->flags);
1319 loadmodel->effects = ((i & 255) << 24) | (i & 0x00FFFF00);
1321 // set up some global info about the model
1322 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1323 loadmodel->num_surfaces = LittleLong(pinmodel->num_meshes);
1325 // make skinscenes for the skins (no groups)
1326 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1327 for (i = 0;i < loadmodel->numskins;i++)
1329 loadmodel->skinscenes[i].firstframe = i;
1330 loadmodel->skinscenes[i].framecount = 1;
1331 loadmodel->skinscenes[i].loop = true;
1332 loadmodel->skinscenes[i].framerate = 10;
1336 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
1337 for (i = 0, pinframe = (md3frameinfo_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
1339 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1340 loadmodel->animscenes[i].firstframe = i;
1341 loadmodel->animscenes[i].framecount = 1;
1342 loadmodel->animscenes[i].framerate = 10;
1343 loadmodel->animscenes[i].loop = true;
1347 loadmodel->num_tagframes = loadmodel->numframes;
1348 loadmodel->num_tags = LittleLong(pinmodel->num_tags);
1349 loadmodel->data_tags = (aliastag_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_tagframes * loadmodel->num_tags * sizeof(aliastag_t));
1350 for (i = 0, pintag = (md3tag_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->num_tagframes * loadmodel->num_tags;i++, pintag++)
1352 strlcpy(loadmodel->data_tags[i].name, pintag->name, sizeof(loadmodel->data_tags[i].name));
1353 for (j = 0;j < 9;j++)
1354 loadmodel->data_tags[i].matrixgl[j] = LittleFloat(pintag->rotationmatrix[j]);
1355 for (j = 0;j < 3;j++)
1356 loadmodel->data_tags[i].matrixgl[9+j] = LittleFloat(pintag->origin[j]);
1357 //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);
1363 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)))
1365 if (memcmp(pinmesh->identifier, "IDP3", 4))
1366 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1367 if (LittleLong(pinmesh->num_frames) != loadmodel->numframes)
1368 Host_Error("Mod_IDP3_Load: mesh numframes differs from header");
1369 meshvertices += LittleLong(pinmesh->num_vertices);
1370 meshtriangles += LittleLong(pinmesh->num_triangles);
1373 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1374 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1375 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1376 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(md3vertex_t));
1377 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1378 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1379 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1380 loadmodel->surfmesh.num_vertices = meshvertices;
1381 loadmodel->surfmesh.num_triangles = meshtriangles;
1382 loadmodel->surfmesh.num_morphframes = loadmodel->numframes; // TODO: remove?
1383 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1384 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1385 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1386 loadmodel->surfmesh.data_morphmd3vertex = (md3vertex_t *)data;data += meshvertices * loadmodel->numframes * sizeof(md3vertex_t);
1390 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)))
1392 if (memcmp(pinmesh->identifier, "IDP3", 4))
1393 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1394 loadmodel->surfacelist[i] = i;
1395 surface = loadmodel->data_surfaces + i;
1396 surface->texture = loadmodel->data_textures + i;
1397 surface->num_firsttriangle = meshtriangles;
1398 surface->num_triangles = LittleLong(pinmesh->num_triangles);
1399 surface->num_firstvertex = meshvertices;
1400 surface->num_vertices = LittleLong(pinmesh->num_vertices);
1401 meshvertices += surface->num_vertices;
1402 meshtriangles += surface->num_triangles;
1404 for (j = 0;j < surface->num_triangles * 3;j++)
1405 loadmodel->surfmesh.data_element3i[j + surface->num_firsttriangle * 3] = surface->num_firstvertex + LittleLong(((int *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1406 for (j = 0;j < surface->num_vertices;j++)
1408 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 0] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1409 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 1] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1411 for (j = 0;j < loadmodel->numframes;j++)
1413 const md3vertex_t *in = (md3vertex_t *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)) + j * surface->num_vertices;
1414 md3vertex_t *out = loadmodel->surfmesh.data_morphmd3vertex + surface->num_firstvertex + j * loadmodel->surfmesh.num_vertices;
1415 for (k = 0;k < surface->num_vertices;k++, in++, out++)
1417 out->origin[0] = LittleShort(in->origin[0]);
1418 out->origin[1] = LittleShort(in->origin[1]);
1419 out->origin[2] = LittleShort(in->origin[2]);
1420 out->pitch = in->pitch;
1425 if (LittleLong(pinmesh->num_shaders) >= 1)
1426 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, pinmesh->name, ((md3shader_t *)((unsigned char *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1428 for (j = 0;j < loadmodel->numskins;j++)
1429 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1431 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
1433 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1434 Mod_Alias_Mesh_CompileFrameZero();
1435 Mod_Alias_CalculateBoundingBox();
1436 Mod_FreeSkinFiles(skinfiles);
1438 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1441 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1443 zymtype1header_t *pinmodel, *pheader;
1444 unsigned char *pbase;
1445 int i, j, k, numposes, meshvertices, meshtriangles, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements;
1446 float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f, *bonepose;
1447 zymvertex_t *verts, *vertdata;
1451 skinfile_t *skinfiles;
1452 unsigned char *data;
1453 msurface_t *surface;
1455 pinmodel = (zymtype1header_t *)buffer;
1456 pbase = (unsigned char *)buffer;
1457 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1458 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model", loadmodel->name);
1459 if (BigLong(pinmodel->type) != 1)
1460 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1462 loadmodel->type = mod_alias;
1463 loadmodel->synctype = ST_RAND;
1467 pheader->type = BigLong(pinmodel->type);
1468 pheader->filesize = BigLong(pinmodel->filesize);
1469 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1470 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1471 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1472 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1473 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1474 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1475 pheader->radius = BigFloat(pinmodel->radius);
1476 pheader->numverts = BigLong(pinmodel->numverts);
1477 pheader->numtris = BigLong(pinmodel->numtris);
1478 pheader->numshaders = BigLong(pinmodel->numshaders);
1479 pheader->numbones = BigLong(pinmodel->numbones);
1480 pheader->numscenes = BigLong(pinmodel->numscenes);
1481 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1482 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1483 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1484 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1485 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1486 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1487 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1488 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1489 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1490 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1491 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1492 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1493 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1494 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1495 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1496 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1497 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1498 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1500 if (pheader->numtris < 1 || pheader->numverts < 3 || pheader->numshaders < 1)
1502 Con_Printf("%s has no geometry\n", loadmodel->name);
1505 if (pheader->numscenes < 1 || pheader->lump_poses.length < (int)sizeof(float[3][4]))
1507 Con_Printf("%s has no animations\n", loadmodel->name);
1511 loadmodel->DrawSky = NULL;
1512 loadmodel->Draw = R_Q1BSP_Draw;
1513 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1514 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1515 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1516 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1518 loadmodel->numframes = pheader->numscenes;
1519 loadmodel->num_surfaces = pheader->numshaders;
1521 skinfiles = Mod_LoadSkinFiles();
1522 if (loadmodel->numskins < 1)
1523 loadmodel->numskins = 1;
1525 // make skinscenes for the skins (no groups)
1526 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1527 for (i = 0;i < loadmodel->numskins;i++)
1529 loadmodel->skinscenes[i].firstframe = i;
1530 loadmodel->skinscenes[i].framecount = 1;
1531 loadmodel->skinscenes[i].loop = true;
1532 loadmodel->skinscenes[i].framerate = 10;
1536 modelradius = pheader->radius;
1537 for (i = 0;i < 3;i++)
1539 loadmodel->normalmins[i] = pheader->mins[i];
1540 loadmodel->normalmaxs[i] = pheader->maxs[i];
1541 loadmodel->rotatedmins[i] = -modelradius;
1542 loadmodel->rotatedmaxs[i] = modelradius;
1544 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1545 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1546 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1547 if (loadmodel->yawmaxs[0] > modelradius)
1548 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1549 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1550 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1551 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1552 loadmodel->radius = modelradius;
1553 loadmodel->radius2 = modelradius * modelradius;
1555 // go through the lumps, swapping things
1557 //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1558 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1559 scene = (zymscene_t *) (pheader->lump_scenes.start + pbase);
1560 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1561 for (i = 0;i < pheader->numscenes;i++)
1563 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1564 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1565 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1566 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1567 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1568 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1569 Host_Error("%s scene->firstframe (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1570 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1571 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1572 if (loadmodel->animscenes[i].framerate < 0)
1573 Host_Error("%s scene->framerate (%f) < 0", loadmodel->name, loadmodel->animscenes[i].framerate);
1577 //zymlump_t lump_bones; // zymbone_t bone[numbones];
1578 loadmodel->num_bones = pheader->numbones;
1579 loadmodel->data_bones = (aliasbone_t *)Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1580 bone = (zymbone_t *) (pheader->lump_bones.start + pbase);
1581 for (i = 0;i < pheader->numbones;i++)
1583 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1584 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1585 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1586 if (loadmodel->data_bones[i].parent >= i)
1587 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1590 //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1591 vertbonecounts = (int *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1592 bonecount = (int *) (pheader->lump_vertbonecounts.start + pbase);
1593 for (i = 0;i < pheader->numverts;i++)
1595 vertbonecounts[i] = BigLong(bonecount[i]);
1596 if (vertbonecounts[i] != 1)
1597 Host_Error("%s bonecount[%i] != 1 (vertex weight support is impossible in this format)", loadmodel->name, i);
1600 loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1602 meshvertices = pheader->numverts;
1603 meshtriangles = pheader->numtris;
1605 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1606 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1607 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1608 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[12]) + loadmodel->num_bones * sizeof(float[12]));
1609 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1610 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1611 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1612 loadmodel->surfmesh.num_vertices = meshvertices;
1613 loadmodel->surfmesh.num_triangles = meshtriangles;
1614 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1615 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1616 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1617 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1618 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1619 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1620 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1621 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1622 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1623 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1624 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
1626 //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1627 poses = (float *) (pheader->lump_poses.start + pbase);
1628 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1629 loadmodel->data_poses[i] = BigFloat(poses[i]);
1631 //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1632 verts = (zymvertex_t *)Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1633 vertdata = (zymvertex_t *) (pheader->lump_verts.start + pbase);
1634 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1635 // (converting from weight-blending skeletal animation to
1636 // deformation-based skeletal animation)
1637 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1638 for (i = 0;i < loadmodel->num_bones;i++)
1640 const float *m = loadmodel->data_poses + i * 12;
1641 if (loadmodel->data_bones[i].parent >= 0)
1642 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1644 for (k = 0;k < 12;k++)
1645 bonepose[12*i+k] = m[k];
1647 for (j = 0;j < pheader->numverts;j++)
1649 // this format really should have had a per vertexweight weight value...
1650 // but since it does not, the weighting is completely ignored and
1651 // only one weight is allowed per vertex
1652 int boneindex = BigLong(vertdata[j].bonenum);
1653 const float *m = bonepose + 12 * boneindex;
1654 float relativeorigin[3];
1655 relativeorigin[0] = BigFloat(vertdata[j].origin[0]);
1656 relativeorigin[1] = BigFloat(vertdata[j].origin[1]);
1657 relativeorigin[2] = BigFloat(vertdata[j].origin[2]);
1658 // transform the vertex bone weight into the base mesh
1659 loadmodel->surfmesh.data_vertex3f[j*3+0] = relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + m[ 3];
1660 loadmodel->surfmesh.data_vertex3f[j*3+1] = relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + m[ 7];
1661 loadmodel->surfmesh.data_vertex3f[j*3+2] = relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + m[11];
1662 // store the weight as the primary weight on this vertex
1663 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1664 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = 1;
1667 // normals and tangents are calculated after elements are loaded
1669 //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1670 outtexcoord2f = loadmodel->surfmesh.data_texcoordtexture2f;
1671 intexcoord2f = (float *) (pheader->lump_texcoords.start + pbase);
1672 for (i = 0;i < pheader->numverts;i++)
1674 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1675 // flip T coordinate for OpenGL
1676 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1679 //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1680 //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1681 //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1683 //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1684 //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)
1685 // byteswap, validate, and swap winding order of tris
1686 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1687 if (pheader->lump_render.length != count)
1688 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)", loadmodel->name, pheader->lump_render.length, count);
1689 renderlist = (int *) (pheader->lump_render.start + pbase);
1690 renderlistend = (int *) ((unsigned char *) renderlist + pheader->lump_render.length);
1692 for (i = 0;i < loadmodel->num_surfaces;i++)
1694 int firstvertex, lastvertex;
1695 if (renderlist >= renderlistend)
1696 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1697 count = BigLong(*renderlist);renderlist++;
1698 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1699 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1701 loadmodel->surfacelist[i] = i;
1702 surface = loadmodel->data_surfaces + i;
1703 surface->texture = loadmodel->data_textures + i;
1704 surface->num_firsttriangle = meshtriangles;
1705 surface->num_triangles = count;
1706 meshtriangles += surface->num_triangles;
1708 // load the elements
1709 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1710 for (j = 0;j < surface->num_triangles;j++, renderlist += 3)
1712 outelements[j*3+2] = BigLong(renderlist[0]);
1713 outelements[j*3+1] = BigLong(renderlist[1]);
1714 outelements[j*3+0] = BigLong(renderlist[2]);
1716 // validate the elements and find the used vertex range
1717 firstvertex = meshvertices;
1719 for (j = 0;j < surface->num_triangles * 3;j++)
1721 if ((unsigned int)outelements[j] >= (unsigned int)meshvertices)
1722 Host_Error("%s corrupt renderlist (out of bounds index)", loadmodel->name);
1723 firstvertex = min(firstvertex, outelements[j]);
1724 lastvertex = max(lastvertex, outelements[j]);
1726 surface->num_firstvertex = firstvertex;
1727 surface->num_vertices = lastvertex + 1 - firstvertex;
1729 // since zym models do not have named sections, reuse their shader
1730 // name as the section name
1731 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1733 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, shadername, shadername);
1735 for (j = 0;j < loadmodel->numskins;j++)
1736 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1738 Mod_FreeSkinFiles(skinfiles);
1739 Mem_Free(vertbonecounts);
1742 // compute all the mesh information that was not loaded from the file
1743 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
1744 Mod_BuildBaseBonePoses();
1745 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
1746 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);
1747 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1749 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1752 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1754 dpmheader_t *pheader;
1758 unsigned char *pbase;
1759 int i, j, k, meshvertices, meshtriangles;
1760 skinfile_t *skinfiles;
1761 unsigned char *data;
1764 pheader = (dpmheader_t *)buffer;
1765 pbase = (unsigned char *)buffer;
1766 if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
1767 Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a darkplaces model", loadmodel->name);
1768 if (BigLong(pheader->type) != 2)
1769 Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1771 loadmodel->type = mod_alias;
1772 loadmodel->synctype = ST_RAND;
1775 pheader->type = BigLong(pheader->type);
1776 pheader->filesize = BigLong(pheader->filesize);
1777 pheader->mins[0] = BigFloat(pheader->mins[0]);
1778 pheader->mins[1] = BigFloat(pheader->mins[1]);
1779 pheader->mins[2] = BigFloat(pheader->mins[2]);
1780 pheader->maxs[0] = BigFloat(pheader->maxs[0]);
1781 pheader->maxs[1] = BigFloat(pheader->maxs[1]);
1782 pheader->maxs[2] = BigFloat(pheader->maxs[2]);
1783 pheader->yawradius = BigFloat(pheader->yawradius);
1784 pheader->allradius = BigFloat(pheader->allradius);
1785 pheader->num_bones = BigLong(pheader->num_bones);
1786 pheader->num_meshs = BigLong(pheader->num_meshs);
1787 pheader->num_frames = BigLong(pheader->num_frames);
1788 pheader->ofs_bones = BigLong(pheader->ofs_bones);
1789 pheader->ofs_meshs = BigLong(pheader->ofs_meshs);
1790 pheader->ofs_frames = BigLong(pheader->ofs_frames);
1792 if (pheader->num_bones < 1 || pheader->num_meshs < 1)
1794 Con_Printf("%s has no geometry\n", loadmodel->name);
1797 if (pheader->num_frames < 1)
1799 Con_Printf("%s has no frames\n", loadmodel->name);
1803 loadmodel->DrawSky = NULL;
1804 loadmodel->Draw = R_Q1BSP_Draw;
1805 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1806 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1807 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1808 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1811 for (i = 0;i < 3;i++)
1813 loadmodel->normalmins[i] = pheader->mins[i];
1814 loadmodel->normalmaxs[i] = pheader->maxs[i];
1815 loadmodel->yawmins[i] = i != 2 ? -pheader->yawradius : pheader->mins[i];
1816 loadmodel->yawmaxs[i] = i != 2 ? pheader->yawradius : pheader->maxs[i];
1817 loadmodel->rotatedmins[i] = -pheader->allradius;
1818 loadmodel->rotatedmaxs[i] = pheader->allradius;
1820 loadmodel->radius = pheader->allradius;
1821 loadmodel->radius2 = pheader->allradius * pheader->allradius;
1823 // load external .skin files if present
1824 skinfiles = Mod_LoadSkinFiles();
1825 if (loadmodel->numskins < 1)
1826 loadmodel->numskins = 1;
1831 // gather combined statistics from the meshes
1832 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1833 for (i = 0;i < (int)pheader->num_meshs;i++)
1835 int numverts = BigLong(dpmmesh->num_verts);
1836 meshvertices += numverts;;
1837 meshtriangles += BigLong(dpmmesh->num_tris);
1841 loadmodel->numframes = pheader->num_frames;
1842 loadmodel->num_bones = pheader->num_bones;
1843 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
1844 loadmodel->nummodelsurfaces = loadmodel->num_surfaces = pheader->num_meshs;
1845 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1846 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1847 // do most allocations as one merged chunk
1848 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[12]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
1849 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1850 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1851 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1852 loadmodel->surfmesh.num_vertices = meshvertices;
1853 loadmodel->surfmesh.num_triangles = meshtriangles;
1854 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1855 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1856 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1857 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1858 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1859 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1860 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1861 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1862 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1863 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1864 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
1865 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
1866 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
1867 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1869 for (i = 0;i < loadmodel->numskins;i++)
1871 loadmodel->skinscenes[i].firstframe = i;
1872 loadmodel->skinscenes[i].framecount = 1;
1873 loadmodel->skinscenes[i].loop = true;
1874 loadmodel->skinscenes[i].framerate = 10;
1877 // load the bone info
1878 bone = (dpmbone_t *) (pbase + pheader->ofs_bones);
1879 for (i = 0;i < loadmodel->num_bones;i++)
1881 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1882 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1883 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1884 if (loadmodel->data_bones[i].parent >= i)
1885 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1889 frame = (dpmframe_t *) (pbase + pheader->ofs_frames);
1890 for (i = 0;i < loadmodel->numframes;i++)
1893 memcpy(loadmodel->animscenes[i].name, frame->name, sizeof(frame->name));
1894 loadmodel->animscenes[i].firstframe = i;
1895 loadmodel->animscenes[i].framecount = 1;
1896 loadmodel->animscenes[i].loop = true;
1897 loadmodel->animscenes[i].framerate = 10;
1898 // load the bone poses for this frame
1899 poses = (float *) (pbase + BigLong(frame->ofs_bonepositions));
1900 for (j = 0;j < loadmodel->num_bones*12;j++)
1901 loadmodel->data_poses[i * loadmodel->num_bones*12 + j] = BigFloat(poses[j]);
1902 // stuff not processed here: mins, maxs, yawradius, allradius
1906 // load the meshes now
1907 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1910 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1911 // (converting from weight-blending skeletal animation to
1912 // deformation-based skeletal animation)
1913 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1914 for (i = 0;i < loadmodel->num_bones;i++)
1916 const float *m = loadmodel->data_poses + i * 12;
1917 if (loadmodel->data_bones[i].parent >= 0)
1918 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1920 for (k = 0;k < 12;k++)
1921 bonepose[12*i+k] = m[k];
1923 for (i = 0;i < loadmodel->num_surfaces;i++, dpmmesh++)
1925 const int *inelements;
1927 const float *intexcoord;
1928 msurface_t *surface;
1930 loadmodel->surfacelist[i] = i;
1931 surface = loadmodel->data_surfaces + i;
1932 surface->texture = loadmodel->data_textures + i;
1933 surface->num_firsttriangle = meshtriangles;
1934 surface->num_triangles = BigLong(dpmmesh->num_tris);
1935 surface->num_firstvertex = meshvertices;
1936 surface->num_vertices = BigLong(dpmmesh->num_verts);
1937 meshvertices += surface->num_vertices;
1938 meshtriangles += surface->num_triangles;
1940 inelements = (int *) (pbase + BigLong(dpmmesh->ofs_indices));
1941 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1942 for (j = 0;j < surface->num_triangles;j++)
1944 // swap element order to flip triangles, because Quake uses clockwise (rare) and dpm uses counterclockwise (standard)
1945 outelements[0] = surface->num_firstvertex + BigLong(inelements[2]);
1946 outelements[1] = surface->num_firstvertex + BigLong(inelements[1]);
1947 outelements[2] = surface->num_firstvertex + BigLong(inelements[0]);
1952 intexcoord = (float *) (pbase + BigLong(dpmmesh->ofs_texcoords));
1953 for (j = 0;j < surface->num_vertices*2;j++)
1954 loadmodel->surfmesh.data_texcoordtexture2f[j + surface->num_firstvertex * 2] = BigFloat(intexcoord[j]);
1956 data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
1957 for (j = surface->num_firstvertex;j < surface->num_firstvertex + surface->num_vertices;j++)
1961 int numweights = BigLong(((dpmvertex_t *)data)->numbones);
1962 data += sizeof(dpmvertex_t);
1963 for (k = 0;k < numweights;k++)
1965 const dpmbonevert_t *vert = (dpmbonevert_t *) data;
1966 int boneindex = BigLong(vert->bonenum);
1967 const float *m = bonepose + 12 * boneindex;
1968 float influence = BigFloat(vert->influence);
1969 float relativeorigin[3], relativenormal[3];
1970 relativeorigin[0] = BigFloat(vert->origin[0]);
1971 relativeorigin[1] = BigFloat(vert->origin[1]);
1972 relativeorigin[2] = BigFloat(vert->origin[2]);
1973 relativenormal[0] = BigFloat(vert->normal[0]);
1974 relativenormal[1] = BigFloat(vert->normal[1]);
1975 relativenormal[2] = BigFloat(vert->normal[2]);
1976 // blend the vertex bone weights into the base mesh
1977 loadmodel->surfmesh.data_vertex3f[j*3+0] += relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + influence * m[ 3];
1978 loadmodel->surfmesh.data_vertex3f[j*3+1] += relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + influence * m[ 7];
1979 loadmodel->surfmesh.data_vertex3f[j*3+2] += relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + influence * m[11];
1980 loadmodel->surfmesh.data_normal3f[j*3+0] += relativenormal[0] * m[0] + relativenormal[1] * m[1] + relativenormal[2] * m[ 2];
1981 loadmodel->surfmesh.data_normal3f[j*3+1] += relativenormal[0] * m[4] + relativenormal[1] * m[5] + relativenormal[2] * m[ 6];
1982 loadmodel->surfmesh.data_normal3f[j*3+2] += relativenormal[0] * m[8] + relativenormal[1] * m[9] + relativenormal[2] * m[10];
1985 // store the first (and often only) weight
1986 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = influence;
1987 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1991 // sort the new weight into this vertex's weight table
1992 // (which only accepts up to 4 bones per vertex)
1993 for (l = 0;l < 4;l++)
1995 if (loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] < influence)
1997 // move weaker influence weights out of the way first
1999 for (l2 = 3;l2 > l;l2--)
2001 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2-1];
2002 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2-1];
2004 // store the new weight
2005 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] = influence;
2006 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l] = boneindex;
2011 data += sizeof(dpmbonevert_t);
2014 for (l = 0;l < 4;l++)
2015 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l];
2016 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2018 float f = 1.0f / sum;
2019 for (l = 0;l < 4;l++)
2020 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] *= f;
2024 // since dpm models do not have named sections, reuse their shader name as the section name
2025 if (dpmmesh->shadername[0])
2026 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, dpmmesh->shadername, dpmmesh->shadername);
2028 for (j = 0;j < loadmodel->numskins;j++)
2029 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
2031 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
2034 Mod_FreeSkinFiles(skinfiles);
2036 // compute all the mesh information that was not loaded from the file
2037 Mod_BuildBaseBonePoses();
2038 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);
2039 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2041 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
2044 // no idea why PSK/PSA files contain weird quaternions but they do...
2045 #define PSKQUATNEGATIONS
2046 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend)
2048 int i, j, index, version, recordsize, numrecords, meshvertices, meshtriangles;
2049 int numpnts, numvtxw, numfaces, nummatts, numbones, numrawweights, numanimbones, numanims, numanimkeys;
2050 fs_offset_t filesize;
2055 pskboneinfo_t *bones;
2056 pskrawweights_t *rawweights;
2057 pskboneinfo_t *animbones;
2058 pskaniminfo_t *anims;
2059 pskanimkeys_t *animkeys;
2060 void *animfilebuffer, *animbuffer, *animbufferend;
2061 unsigned char *data;
2063 skinfile_t *skinfiles;
2064 char animname[MAX_QPATH];
2066 pchunk = (pskchunk_t *)buffer;
2067 if (strcmp(pchunk->id, "ACTRHEAD"))
2068 Host_Error ("Mod_PSKMODEL_Load: %s is not an Unreal Engine ActorX (.psk + .psa) model", loadmodel->name);
2070 loadmodel->type = mod_alias;
2071 loadmodel->DrawSky = NULL;
2072 loadmodel->Draw = R_Q1BSP_Draw;
2073 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
2074 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
2075 loadmodel->DrawLight = R_Q1BSP_DrawLight;
2076 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
2077 loadmodel->synctype = ST_RAND;
2079 FS_StripExtension(loadmodel->name, animname, sizeof(animname));
2080 strlcat(animname, ".psa", sizeof(animname));
2081 animbuffer = animfilebuffer = FS_LoadFile(animname, loadmodel->mempool, false, &filesize);
2082 animbufferend = (void *)((unsigned char*)animbuffer + (int)filesize);
2083 if (animbuffer == NULL)
2084 Host_Error("%s: can't find .psa file (%s)", loadmodel->name, animname);
2103 while (buffer < bufferend)
2105 pchunk = (pskchunk_t *)buffer;
2106 buffer = (void *)((unsigned char *)buffer + sizeof(pskchunk_t));
2107 version = LittleLong(pchunk->version);
2108 recordsize = LittleLong(pchunk->recordsize);
2109 numrecords = LittleLong(pchunk->numrecords);
2110 if (developer.integer >= 100)
2111 Con_Printf("%s: %s %x: %i * %i = %i\n", loadmodel->name, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2112 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2113 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);
2114 if (!strcmp(pchunk->id, "ACTRHEAD"))
2118 else if (!strcmp(pchunk->id, "PNTS0000"))
2121 if (recordsize != sizeof(*p))
2122 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2123 // byteswap in place and keep the pointer
2124 numpnts = numrecords;
2125 pnts = (pskpnts_t *)buffer;
2126 for (index = 0, p = (pskpnts_t *)buffer;index < numrecords;index++, p++)
2128 p->origin[0] = LittleFloat(p->origin[0]);
2129 p->origin[1] = LittleFloat(p->origin[1]);
2130 p->origin[2] = LittleFloat(p->origin[2]);
2134 else if (!strcmp(pchunk->id, "VTXW0000"))
2137 if (recordsize != sizeof(*p))
2138 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2139 // byteswap in place and keep the pointer
2140 numvtxw = numrecords;
2141 vtxw = (pskvtxw_t *)buffer;
2142 for (index = 0, p = (pskvtxw_t *)buffer;index < numrecords;index++, p++)
2144 p->pntsindex = LittleShort(p->pntsindex);
2145 p->texcoord[0] = LittleFloat(p->texcoord[0]);
2146 p->texcoord[1] = LittleFloat(p->texcoord[1]);
2147 if (p->pntsindex >= numpnts)
2149 Con_Printf("%s: vtxw->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2155 else if (!strcmp(pchunk->id, "FACE0000"))
2158 if (recordsize != sizeof(*p))
2159 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2160 // byteswap in place and keep the pointer
2161 numfaces = numrecords;
2162 faces = (pskface_t *)buffer;
2163 for (index = 0, p = (pskface_t *)buffer;index < numrecords;index++, p++)
2165 p->vtxwindex[0] = LittleShort(p->vtxwindex[0]);
2166 p->vtxwindex[1] = LittleShort(p->vtxwindex[1]);
2167 p->vtxwindex[2] = LittleShort(p->vtxwindex[2]);
2168 p->group = LittleLong(p->group);
2169 if (p->vtxwindex[0] >= numvtxw)
2171 Con_Printf("%s: face->vtxwindex[0] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[0], numvtxw);
2172 p->vtxwindex[0] = 0;
2174 if (p->vtxwindex[1] >= numvtxw)
2176 Con_Printf("%s: face->vtxwindex[1] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[1], numvtxw);
2177 p->vtxwindex[1] = 0;
2179 if (p->vtxwindex[2] >= numvtxw)
2181 Con_Printf("%s: face->vtxwindex[2] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[2], numvtxw);
2182 p->vtxwindex[2] = 0;
2187 else if (!strcmp(pchunk->id, "MATT0000"))
2190 if (recordsize != sizeof(*p))
2191 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2192 // byteswap in place and keep the pointer
2193 nummatts = numrecords;
2194 matts = (pskmatt_t *)buffer;
2195 for (index = 0, p = (pskmatt_t *)buffer;index < numrecords;index++, p++)
2201 else if (!strcmp(pchunk->id, "REFSKELT"))
2204 if (recordsize != sizeof(*p))
2205 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2206 // byteswap in place and keep the pointer
2207 numbones = numrecords;
2208 bones = (pskboneinfo_t *)buffer;
2209 for (index = 0, p = (pskboneinfo_t *)buffer;index < numrecords;index++, p++)
2211 p->numchildren = LittleLong(p->numchildren);
2212 p->parent = LittleLong(p->parent);
2213 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2214 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2215 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2216 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2217 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2218 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2219 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2220 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2221 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2222 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2223 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2224 #ifdef PSKQUATNEGATIONS
2227 p->basepose.quat[0] *= -1;
2228 p->basepose.quat[1] *= -1;
2229 p->basepose.quat[2] *= -1;
2233 p->basepose.quat[0] *= 1;
2234 p->basepose.quat[1] *= -1;
2235 p->basepose.quat[2] *= 1;
2238 if (p->parent < 0 || p->parent >= numbones)
2240 Con_Printf("%s: bone->parent %i >= numbones %i\n", loadmodel->name, p->parent, numbones);
2246 else if (!strcmp(pchunk->id, "RAWWEIGHTS"))
2249 if (recordsize != sizeof(*p))
2250 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2251 // byteswap in place and keep the pointer
2252 numrawweights = numrecords;
2253 rawweights = (pskrawweights_t *)buffer;
2254 for (index = 0, p = (pskrawweights_t *)buffer;index < numrecords;index++, p++)
2256 p->weight = LittleFloat(p->weight);
2257 p->pntsindex = LittleLong(p->pntsindex);
2258 p->boneindex = LittleLong(p->boneindex);
2259 if (p->pntsindex < 0 || p->pntsindex >= numpnts)
2261 Con_Printf("%s: weight->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2264 if (p->boneindex < 0 || p->boneindex >= numbones)
2266 Con_Printf("%s: weight->boneindex %i >= numbones %i\n", loadmodel->name, p->boneindex, numbones);
2274 while (animbuffer < animbufferend)
2276 pchunk = (pskchunk_t *)animbuffer;
2277 animbuffer = (void *)((unsigned char *)animbuffer + sizeof(pskchunk_t));
2278 version = LittleLong(pchunk->version);
2279 recordsize = LittleLong(pchunk->recordsize);
2280 numrecords = LittleLong(pchunk->numrecords);
2281 if (developer.integer >= 100)
2282 Con_Printf("%s: %s %x: %i * %i = %i\n", animname, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2283 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2284 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);
2285 if (!strcmp(pchunk->id, "ANIMHEAD"))
2289 else if (!strcmp(pchunk->id, "BONENAMES"))
2292 if (recordsize != sizeof(*p))
2293 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2294 // byteswap in place and keep the pointer
2295 numanimbones = numrecords;
2296 animbones = (pskboneinfo_t *)animbuffer;
2297 // NOTE: supposedly psa does not need to match the psk model, the
2298 // bones missing from the psa would simply use their base
2299 // positions from the psk, but this is hard for me to implement
2300 // and people can easily make animations that match.
2301 if (numanimbones != numbones)
2302 Host_Error("%s: this loader only supports animations with the same bones as the mesh", loadmodel->name);
2303 for (index = 0, p = (pskboneinfo_t *)animbuffer;index < numrecords;index++, p++)
2305 p->numchildren = LittleLong(p->numchildren);
2306 p->parent = LittleLong(p->parent);
2307 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2308 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2309 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2310 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2311 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2312 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2313 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2314 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2315 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2316 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2317 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2318 #ifdef PSKQUATNEGATIONS
2321 p->basepose.quat[0] *= -1;
2322 p->basepose.quat[1] *= -1;
2323 p->basepose.quat[2] *= -1;
2327 p->basepose.quat[0] *= 1;
2328 p->basepose.quat[1] *= -1;
2329 p->basepose.quat[2] *= 1;
2332 if (p->parent < 0 || p->parent >= numanimbones)
2334 Con_Printf("%s: bone->parent %i >= numanimbones %i\n", animname, p->parent, numanimbones);
2337 // check that bones are the same as in the base
2338 if (strcmp(p->name, bones[index].name) || p->parent != bones[index].parent)
2339 Host_Error("%s: this loader only supports animations with the same bones as the mesh", animname);
2343 else if (!strcmp(pchunk->id, "ANIMINFO"))
2346 if (recordsize != sizeof(*p))
2347 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2348 // byteswap in place and keep the pointer
2349 numanims = numrecords;
2350 anims = (pskaniminfo_t *)animbuffer;
2351 for (index = 0, p = (pskaniminfo_t *)animbuffer;index < numrecords;index++, p++)
2353 p->numbones = LittleLong(p->numbones);
2354 p->playtime = LittleFloat(p->playtime);
2355 p->fps = LittleFloat(p->fps);
2356 p->firstframe = LittleLong(p->firstframe);
2357 p->numframes = LittleLong(p->numframes);
2358 if (p->numbones != numbones)
2359 Con_Printf("%s: animinfo->numbones != numbones, trying to load anyway!\n", animname);
2363 else if (!strcmp(pchunk->id, "ANIMKEYS"))
2366 if (recordsize != sizeof(*p))
2367 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2368 numanimkeys = numrecords;
2369 animkeys = (pskanimkeys_t *)animbuffer;
2370 for (index = 0, p = (pskanimkeys_t *)animbuffer;index < numrecords;index++, p++)
2372 p->origin[0] = LittleFloat(p->origin[0]);
2373 p->origin[1] = LittleFloat(p->origin[1]);
2374 p->origin[2] = LittleFloat(p->origin[2]);
2375 p->quat[0] = LittleFloat(p->quat[0]);
2376 p->quat[1] = LittleFloat(p->quat[1]);
2377 p->quat[2] = LittleFloat(p->quat[2]);
2378 p->quat[3] = LittleFloat(p->quat[3]);
2379 p->frametime = LittleFloat(p->frametime);
2380 #ifdef PSKQUATNEGATIONS
2381 if (index % numbones)
2396 // TODO: allocate bonepose stuff
2399 Con_Printf("%s: unknown chunk ID \"%s\"\n", animname, pchunk->id);
2402 if (!numpnts || !pnts || !numvtxw || !vtxw || !numfaces || !faces || !nummatts || !matts || !numbones || !bones || !numrawweights || !rawweights || !numanims || !anims || !numanimkeys || !animkeys)
2403 Host_Error("%s: missing required chunks", loadmodel->name);
2405 loadmodel->numframes = 0;
2406 for (index = 0;index < numanims;index++)
2407 loadmodel->numframes += anims[index].numframes;
2409 if (numanimkeys != numbones * loadmodel->numframes)
2410 Host_Error("%s: %s has incorrect number of animation keys", animname, pchunk->id);
2412 meshvertices = numvtxw;
2413 meshtriangles = numfaces;
2415 // load external .skin files if present
2416 skinfiles = Mod_LoadSkinFiles();
2417 if (loadmodel->numskins < 1)
2418 loadmodel->numskins = 1;
2419 loadmodel->num_bones = numbones;
2420 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
2421 loadmodel->nummodelsurfaces = loadmodel->num_surfaces = nummatts;
2422 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
2423 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
2424 // do most allocations as one merged chunk
2425 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[12]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
2426 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
2427 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
2428 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
2429 loadmodel->surfmesh.num_vertices = meshvertices;
2430 loadmodel->surfmesh.num_triangles = meshtriangles;
2431 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2432 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2433 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
2434 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2435 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2436 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
2437 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
2438 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
2439 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
2440 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2441 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
2442 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
2443 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
2444 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
2446 for (i = 0;i < loadmodel->numskins;i++)
2448 loadmodel->skinscenes[i].firstframe = i;
2449 loadmodel->skinscenes[i].framecount = 1;
2450 loadmodel->skinscenes[i].loop = true;
2451 loadmodel->skinscenes[i].framerate = 10;
2455 for (index = 0, i = 0;index < nummatts;index++)
2457 // since psk models do not have named sections, reuse their shader name as the section name
2458 if (matts[index].name[0])
2459 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + index, skinfiles, matts[index].name, matts[index].name);
2461 for (j = 0;j < loadmodel->numskins;j++)
2462 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + index + j * loadmodel->num_surfaces, NULL);
2463 loadmodel->surfacelist[index] = index;
2464 loadmodel->data_surfaces[index].texture = loadmodel->data_textures + index;
2465 loadmodel->data_surfaces[index].num_firstvertex = 0;
2466 loadmodel->data_surfaces[index].num_vertices = loadmodel->surfmesh.num_vertices;
2469 // copy over the vertex locations and texcoords
2470 for (index = 0;index < numvtxw;index++)
2472 loadmodel->surfmesh.data_vertex3f[index*3+0] = pnts[vtxw[index].pntsindex].origin[0];
2473 loadmodel->surfmesh.data_vertex3f[index*3+1] = pnts[vtxw[index].pntsindex].origin[1];
2474 loadmodel->surfmesh.data_vertex3f[index*3+2] = pnts[vtxw[index].pntsindex].origin[2];
2475 loadmodel->surfmesh.data_texcoordtexture2f[index*2+0] = vtxw[index].texcoord[0];
2476 loadmodel->surfmesh.data_texcoordtexture2f[index*2+1] = vtxw[index].texcoord[1];
2479 // loading the faces is complicated because we need to sort them into surfaces by mattindex
2480 for (index = 0;index < numfaces;index++)
2481 loadmodel->data_surfaces[faces[index].mattindex].num_triangles++;
2482 for (index = 0, i = 0;index < nummatts;index++)
2484 loadmodel->data_surfaces[index].num_firsttriangle = i;
2485 i += loadmodel->data_surfaces[index].num_triangles;
2486 loadmodel->data_surfaces[index].num_triangles = 0;
2488 for (index = 0;index < numfaces;index++)
2490 i = (loadmodel->data_surfaces[faces[index].mattindex].num_firsttriangle + loadmodel->data_surfaces[faces[index].mattindex].num_triangles++)*3;
2491 loadmodel->surfmesh.data_element3i[i+0] = faces[index].vtxwindex[0];
2492 loadmodel->surfmesh.data_element3i[i+1] = faces[index].vtxwindex[1];
2493 loadmodel->surfmesh.data_element3i[i+2] = faces[index].vtxwindex[2];
2496 // copy over the bones
2497 for (index = 0;index < numbones;index++)
2499 strlcpy(loadmodel->data_bones[index].name, bones[index].name, sizeof(loadmodel->data_bones[index].name));
2500 loadmodel->data_bones[index].parent = (index || bones[index].parent > 0) ? bones[index].parent : -1;
2501 if (loadmodel->data_bones[index].parent >= index)
2502 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, index, index);
2505 // sort the psk point weights into the vertex weight tables
2506 // (which only accept up to 4 bones per vertex)
2507 for (index = 0;index < numvtxw;index++)
2511 for (j = 0;j < numrawweights;j++)
2513 if (rawweights[j].pntsindex == vtxw[index].pntsindex)
2515 int boneindex = rawweights[j].boneindex;
2516 float influence = rawweights[j].weight;
2517 for (l = 0;l < 4;l++)
2519 if (loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] < influence)
2521 // move lower influence weights out of the way first
2523 for (l2 = 3;l2 > l;l2--)
2525 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2-1];
2526 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2-1];
2528 // store the new weight
2529 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] = influence;
2530 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l] = boneindex;
2537 for (l = 0;l < 4;l++)
2538 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l];
2539 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2541 float f = 1.0f / sum;
2542 for (l = 0;l < 4;l++)
2543 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] *= f;
2547 // set up the animscenes based on the anims
2548 for (index = 0, i = 0;index < numanims;index++)
2550 for (j = 0;j < anims[index].numframes;j++, i++)
2552 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "%s_%d", anims[index].name, j);
2553 loadmodel->animscenes[i].firstframe = i;
2554 loadmodel->animscenes[i].framecount = 1;
2555 loadmodel->animscenes[i].loop = true;
2556 loadmodel->animscenes[i].framerate = 10;
2560 // load the poses from the animkeys
2561 for (index = 0;index < numanimkeys;index++)
2563 pskanimkeys_t *k = animkeys + index;
2565 Matrix4x4_FromOriginQuat(&matrix, k->origin[0], k->origin[1], k->origin[2], k->quat[0], k->quat[1], k->quat[2], k->quat[3]);
2566 Matrix4x4_ToArray12FloatD3D(&matrix, loadmodel->data_poses + index*12);
2568 Mod_FreeSkinFiles(skinfiles);
2569 Mem_Free(animfilebuffer);
2571 // compute all the mesh information that was not loaded from the file
2572 // TODO: honor smoothing groups somehow?
2573 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
2574 Mod_BuildBaseBonePoses();
2575 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
2576 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);
2577 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2578 Mod_Alias_CalculateBoundingBox();
2580 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;