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;
940 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
943 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
944 Mod_FreeSkinFiles(skinfiles);
945 for (i = 0;i < loadmodel->numskins;i++)
947 loadmodel->skinscenes[i].firstframe = i;
948 loadmodel->skinscenes[i].framecount = 1;
949 loadmodel->skinscenes[i].loop = true;
950 loadmodel->skinscenes[i].framerate = 10;
956 datapointer = startskins;
957 for (i = 0;i < loadmodel->numskins;i++)
959 pinskintype = (daliasskintype_t *)datapointer;
960 datapointer += sizeof(daliasskintype_t);
962 if (pinskintype->type == ALIAS_SKIN_SINGLE)
969 pinskingroup = (daliasskingroup_t *)datapointer;
970 datapointer += sizeof(daliasskingroup_t);
972 groupskins = LittleLong (pinskingroup->numskins);
974 pinskinintervals = (daliasskininterval_t *)datapointer;
975 datapointer += sizeof(daliasskininterval_t) * groupskins;
977 interval = LittleFloat(pinskinintervals[0].interval);
978 if (interval < 0.01f)
980 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
985 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
986 loadmodel->skinscenes[i].firstframe = totalskins;
987 loadmodel->skinscenes[i].framecount = groupskins;
988 loadmodel->skinscenes[i].framerate = 1.0f / interval;
989 loadmodel->skinscenes[i].loop = true;
991 for (j = 0;j < groupskins;j++)
994 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
996 sprintf (name, "%s_%i", loadmodel->name, i);
997 tempskinframe = R_SkinFrame_LoadExternal(name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP);
999 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);
1000 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, tempskinframe);
1001 datapointer += skinwidth * skinheight;
1005 // check for skins that don't exist in the model, but do exist as external images
1006 // (this was added because yummyluv kept pestering me about support for it)
1007 while ((tempskinframe = R_SkinFrame_LoadExternal(va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP)))
1009 // expand the arrays to make room
1010 tempskinscenes = loadmodel->skinscenes;
1011 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
1012 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
1013 Mem_Free(tempskinscenes);
1015 tempaliasskins = loadmodel->data_textures;
1016 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * (totalskins + 1) * sizeof(texture_t));
1017 memcpy(loadmodel->data_textures, tempaliasskins, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
1018 Mem_Free(tempaliasskins);
1020 // store the info about the new skin
1021 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, tempskinframe);
1022 strlcpy(loadmodel->skinscenes[loadmodel->numskins].name, name, sizeof(loadmodel->skinscenes[loadmodel->numskins].name));
1023 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
1024 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
1025 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
1026 loadmodel->skinscenes[loadmodel->numskins].loop = true;
1028 //increase skin counts
1029 loadmodel->numskins++;
1032 // fix up the pointers since they are pointing at the old textures array
1033 // FIXME: this is a hack!
1034 for (j = 0;j < loadmodel->numskins * loadmodel->num_surfaces;j++)
1035 loadmodel->data_textures[j].currentframe = &loadmodel->data_textures[j];
1039 surface = loadmodel->data_surfaces;
1040 surface->texture = loadmodel->data_textures;
1041 surface->num_firsttriangle = 0;
1042 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1043 surface->num_firstvertex = 0;
1044 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1046 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1049 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
1051 int i, j, hashindex, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end;
1052 float iskinwidth, iskinheight;
1053 unsigned char *data;
1054 msurface_t *surface;
1056 unsigned char *base, *datapointer;
1057 md2frame_t *pinframe;
1059 md2triangle_t *intri;
1060 unsigned short *inst;
1061 struct md2verthash_s
1063 struct md2verthash_s *next;
1067 *hash, **md2verthash, *md2verthashdata;
1068 skinframe_t *tempskinframe;
1069 skinfile_t *skinfiles;
1071 pinmodel = (md2_t *)buffer;
1072 base = (unsigned char *)buffer;
1074 version = LittleLong (pinmodel->version);
1075 if (version != MD2ALIAS_VERSION)
1076 Host_Error ("%s has wrong version number (%i should be %i)",
1077 loadmodel->name, version, MD2ALIAS_VERSION);
1079 loadmodel->type = mod_alias;
1080 loadmodel->DrawSky = NULL;
1081 loadmodel->Draw = R_Q1BSP_Draw;
1082 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1083 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1084 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1085 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1087 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
1088 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
1089 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
1090 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
1091 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
1092 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
1093 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
1094 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
1096 end = LittleLong(pinmodel->ofs_end);
1097 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
1098 Host_Error ("%s is not a valid model", loadmodel->name);
1099 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
1100 Host_Error ("%s is not a valid model", loadmodel->name);
1101 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
1102 Host_Error ("%s is not a valid model", loadmodel->name);
1103 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
1104 Host_Error ("%s is not a valid model", loadmodel->name);
1105 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
1106 Host_Error ("%s is not a valid model", loadmodel->name);
1108 loadmodel->numskins = LittleLong(pinmodel->num_skins);
1109 numxyz = LittleLong(pinmodel->num_xyz);
1110 numst = LittleLong(pinmodel->num_st);
1111 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->num_tris);
1112 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1113 loadmodel->surfmesh.num_morphframes = loadmodel->numframes;
1114 skinwidth = LittleLong(pinmodel->skinwidth);
1115 skinheight = LittleLong(pinmodel->skinheight);
1116 iskinwidth = 1.0f / skinwidth;
1117 iskinheight = 1.0f / skinheight;
1119 loadmodel->num_surfaces = 1;
1120 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1121 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]));
1122 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1123 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1124 loadmodel->surfacelist[0] = 0;
1125 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1126 loadmodel->surfmesh.data_morphmd2framesize6f = (float *)data;data += loadmodel->numframes * sizeof(float[6]);
1127 loadmodel->surfmesh.data_element3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1128 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1130 loadmodel->synctype = ST_RAND;
1133 inskin = (char *)(base + LittleLong(pinmodel->ofs_skins));
1134 skinfiles = Mod_LoadSkinFiles();
1137 loadmodel->num_textures = loadmodel->num_surfaces;
1138 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1139 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
1140 Mod_FreeSkinFiles(skinfiles);
1142 else if (loadmodel->numskins)
1144 // skins found (most likely not a player model)
1145 loadmodel->num_textures = loadmodel->num_surfaces;
1146 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1147 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
1149 tempskinframe = R_SkinFrame_LoadExternal(inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP);
1151 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
1152 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, tempskinframe);
1157 // no skins (most likely a player model)
1158 loadmodel->numskins = 1;
1159 loadmodel->num_textures = loadmodel->num_surfaces;
1160 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1161 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures, NULL);
1164 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1165 for (i = 0;i < loadmodel->numskins;i++)
1167 loadmodel->skinscenes[i].firstframe = i;
1168 loadmodel->skinscenes[i].framecount = 1;
1169 loadmodel->skinscenes[i].loop = true;
1170 loadmodel->skinscenes[i].framerate = 10;
1173 // load the triangles and stvert data
1174 inst = (unsigned short *)(base + LittleLong(pinmodel->ofs_st));
1175 intri = (md2triangle_t *)(base + LittleLong(pinmodel->ofs_tris));
1176 md2verthash = (struct md2verthash_s **)Mem_Alloc(tempmempool, 65536 * sizeof(hash));
1177 md2verthashdata = (struct md2verthash_s *)Mem_Alloc(tempmempool, loadmodel->surfmesh.num_triangles * 3 * sizeof(*hash));
1178 // swap the triangle list
1179 loadmodel->surfmesh.num_vertices = 0;
1180 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
1182 for (j = 0;j < 3;j++)
1184 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
1185 st = (unsigned short) LittleShort (intri[i].index_st[j]);
1188 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
1193 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
1196 hashindex = (xyz * 256 + st) & 65535;
1197 for (hash = md2verthash[hashindex];hash;hash = hash->next)
1198 if (hash->xyz == xyz && hash->st == st)
1202 hash = md2verthashdata + loadmodel->surfmesh.num_vertices++;
1205 hash->next = md2verthash[hashindex];
1206 md2verthash[hashindex] = hash;
1208 loadmodel->surfmesh.data_element3i[i*3+j] = (hash - md2verthashdata);
1212 vertremap = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(int));
1213 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));
1214 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
1215 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)data;data += loadmodel->surfmesh.num_vertices * loadmodel->surfmesh.num_morphframes * sizeof(trivertx_t);
1216 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
1219 hash = md2verthashdata + i;
1220 vertremap[i] = hash->xyz;
1221 sts = LittleShort(inst[hash->st*2+0]);
1222 stt = LittleShort(inst[hash->st*2+1]);
1223 if (sts < 0 || sts >= skinwidth || stt < 0 || stt >= skinheight)
1225 Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, sts, stt, i);
1229 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = sts * iskinwidth;
1230 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = stt * iskinheight;
1233 Mem_Free(md2verthash);
1234 Mem_Free(md2verthashdata);
1237 datapointer = (base + LittleLong(pinmodel->ofs_frames));
1238 for (i = 0;i < loadmodel->surfmesh.num_morphframes;i++)
1243 pinframe = (md2frame_t *)datapointer;
1244 datapointer += sizeof(md2frame_t);
1245 // store the frame scale/translate into the appropriate array
1246 for (j = 0;j < 3;j++)
1248 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+j] = LittleFloat(pinframe->scale[j]);
1249 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+3+j] = LittleFloat(pinframe->translate[j]);
1251 // convert the vertices
1252 v = (trivertx_t *)datapointer;
1253 out = loadmodel->surfmesh.data_morphmdlvertex + i * loadmodel->surfmesh.num_vertices;
1254 for (k = 0;k < loadmodel->surfmesh.num_vertices;k++)
1255 out[k] = v[vertremap[k]];
1256 datapointer += numxyz * sizeof(trivertx_t);
1258 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1259 loadmodel->animscenes[i].firstframe = i;
1260 loadmodel->animscenes[i].framecount = 1;
1261 loadmodel->animscenes[i].framerate = 10;
1262 loadmodel->animscenes[i].loop = true;
1265 Mem_Free(vertremap);
1267 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1268 Mod_Alias_CalculateBoundingBox();
1269 Mod_Alias_Mesh_CompileFrameZero();
1271 surface = loadmodel->data_surfaces;
1272 surface->texture = loadmodel->data_textures;
1273 surface->num_firsttriangle = 0;
1274 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1275 surface->num_firstvertex = 0;
1276 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1278 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1281 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
1283 int i, j, k, version, meshvertices, meshtriangles;
1284 unsigned char *data;
1285 msurface_t *surface;
1286 md3modelheader_t *pinmodel;
1287 md3frameinfo_t *pinframe;
1290 skinfile_t *skinfiles;
1292 pinmodel = (md3modelheader_t *)buffer;
1294 if (memcmp(pinmodel->identifier, "IDP3", 4))
1295 Host_Error ("%s is not a MD3 (IDP3) file", loadmodel->name);
1296 version = LittleLong (pinmodel->version);
1297 if (version != MD3VERSION)
1298 Host_Error ("%s has wrong version number (%i should be %i)",
1299 loadmodel->name, version, MD3VERSION);
1301 skinfiles = Mod_LoadSkinFiles();
1302 if (loadmodel->numskins < 1)
1303 loadmodel->numskins = 1;
1305 loadmodel->type = mod_alias;
1306 loadmodel->DrawSky = NULL;
1307 loadmodel->Draw = R_Q1BSP_Draw;
1308 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1309 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1310 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1311 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1312 loadmodel->synctype = ST_RAND;
1313 // convert model flags to EF flags (MF_ROCKET becomes EF_ROCKET, etc)
1314 i = LittleLong (pinmodel->flags);
1315 loadmodel->effects = ((i & 255) << 24) | (i & 0x00FFFF00);
1317 // set up some global info about the model
1318 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1319 loadmodel->num_surfaces = LittleLong(pinmodel->num_meshes);
1321 // make skinscenes for the skins (no groups)
1322 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1323 for (i = 0;i < loadmodel->numskins;i++)
1325 loadmodel->skinscenes[i].firstframe = i;
1326 loadmodel->skinscenes[i].framecount = 1;
1327 loadmodel->skinscenes[i].loop = true;
1328 loadmodel->skinscenes[i].framerate = 10;
1332 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
1333 for (i = 0, pinframe = (md3frameinfo_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
1335 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1336 loadmodel->animscenes[i].firstframe = i;
1337 loadmodel->animscenes[i].framecount = 1;
1338 loadmodel->animscenes[i].framerate = 10;
1339 loadmodel->animscenes[i].loop = true;
1343 loadmodel->num_tagframes = loadmodel->numframes;
1344 loadmodel->num_tags = LittleLong(pinmodel->num_tags);
1345 loadmodel->data_tags = (aliastag_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_tagframes * loadmodel->num_tags * sizeof(aliastag_t));
1346 for (i = 0, pintag = (md3tag_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->num_tagframes * loadmodel->num_tags;i++, pintag++)
1348 strlcpy(loadmodel->data_tags[i].name, pintag->name, sizeof(loadmodel->data_tags[i].name));
1349 for (j = 0;j < 9;j++)
1350 loadmodel->data_tags[i].matrixgl[j] = LittleFloat(pintag->rotationmatrix[j]);
1351 for (j = 0;j < 3;j++)
1352 loadmodel->data_tags[i].matrixgl[9+j] = LittleFloat(pintag->origin[j]);
1353 //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);
1359 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)))
1361 if (memcmp(pinmesh->identifier, "IDP3", 4))
1362 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1363 if (LittleLong(pinmesh->num_frames) != loadmodel->numframes)
1364 Host_Error("Mod_IDP3_Load: mesh numframes differs from header");
1365 meshvertices += LittleLong(pinmesh->num_vertices);
1366 meshtriangles += LittleLong(pinmesh->num_triangles);
1369 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1370 loadmodel->num_textures = loadmodel->num_surfaces;
1371 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));
1372 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1373 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1374 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1375 loadmodel->surfmesh.num_vertices = meshvertices;
1376 loadmodel->surfmesh.num_triangles = meshtriangles;
1377 loadmodel->surfmesh.num_morphframes = loadmodel->numframes; // TODO: remove?
1378 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1379 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1380 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1381 loadmodel->surfmesh.data_morphmd3vertex = (md3vertex_t *)data;data += meshvertices * loadmodel->numframes * sizeof(md3vertex_t);
1385 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)))
1387 if (memcmp(pinmesh->identifier, "IDP3", 4))
1388 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1389 loadmodel->surfacelist[i] = i;
1390 surface = loadmodel->data_surfaces + i;
1391 surface->texture = loadmodel->data_textures + i;
1392 surface->num_firsttriangle = meshtriangles;
1393 surface->num_triangles = LittleLong(pinmesh->num_triangles);
1394 surface->num_firstvertex = meshvertices;
1395 surface->num_vertices = LittleLong(pinmesh->num_vertices);
1396 meshvertices += surface->num_vertices;
1397 meshtriangles += surface->num_triangles;
1399 for (j = 0;j < surface->num_triangles * 3;j++)
1400 loadmodel->surfmesh.data_element3i[j + surface->num_firsttriangle * 3] = surface->num_firstvertex + LittleLong(((int *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1401 for (j = 0;j < surface->num_vertices;j++)
1403 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 0] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1404 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 1] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1406 for (j = 0;j < loadmodel->numframes;j++)
1408 const md3vertex_t *in = (md3vertex_t *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)) + j * surface->num_vertices;
1409 md3vertex_t *out = loadmodel->surfmesh.data_morphmd3vertex + surface->num_firstvertex + j * loadmodel->surfmesh.num_vertices;
1410 for (k = 0;k < surface->num_vertices;k++, in++, out++)
1412 out->origin[0] = LittleShort(in->origin[0]);
1413 out->origin[1] = LittleShort(in->origin[1]);
1414 out->origin[2] = LittleShort(in->origin[2]);
1415 out->pitch = in->pitch;
1420 if (LittleLong(pinmesh->num_shaders) >= 1)
1421 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, pinmesh->name, ((md3shader_t *)((unsigned char *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1423 for (j = 0;j < loadmodel->numskins;j++)
1424 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1426 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
1428 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1429 Mod_Alias_Mesh_CompileFrameZero();
1430 Mod_Alias_CalculateBoundingBox();
1431 Mod_FreeSkinFiles(skinfiles);
1433 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1436 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1438 zymtype1header_t *pinmodel, *pheader;
1439 unsigned char *pbase;
1440 int i, j, k, numposes, meshvertices, meshtriangles, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements;
1441 float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f, *bonepose;
1442 zymvertex_t *verts, *vertdata;
1446 skinfile_t *skinfiles;
1447 unsigned char *data;
1448 msurface_t *surface;
1450 pinmodel = (zymtype1header_t *)buffer;
1451 pbase = (unsigned char *)buffer;
1452 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1453 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model", loadmodel->name);
1454 if (BigLong(pinmodel->type) != 1)
1455 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1457 loadmodel->type = mod_alias;
1458 loadmodel->synctype = ST_RAND;
1462 pheader->type = BigLong(pinmodel->type);
1463 pheader->filesize = BigLong(pinmodel->filesize);
1464 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1465 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1466 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1467 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1468 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1469 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1470 pheader->radius = BigFloat(pinmodel->radius);
1471 pheader->numverts = BigLong(pinmodel->numverts);
1472 pheader->numtris = BigLong(pinmodel->numtris);
1473 pheader->numshaders = BigLong(pinmodel->numshaders);
1474 pheader->numbones = BigLong(pinmodel->numbones);
1475 pheader->numscenes = BigLong(pinmodel->numscenes);
1476 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1477 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1478 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1479 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1480 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1481 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1482 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1483 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1484 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1485 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1486 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1487 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1488 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1489 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1490 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1491 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1492 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1493 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1495 if (pheader->numtris < 1 || pheader->numverts < 3 || pheader->numshaders < 1)
1497 Con_Printf("%s has no geometry\n", loadmodel->name);
1500 if (pheader->numscenes < 1 || pheader->lump_poses.length < (int)sizeof(float[3][4]))
1502 Con_Printf("%s has no animations\n", loadmodel->name);
1506 loadmodel->DrawSky = NULL;
1507 loadmodel->Draw = R_Q1BSP_Draw;
1508 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1509 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1510 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1511 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1513 loadmodel->numframes = pheader->numscenes;
1514 loadmodel->num_surfaces = pheader->numshaders;
1516 skinfiles = Mod_LoadSkinFiles();
1517 if (loadmodel->numskins < 1)
1518 loadmodel->numskins = 1;
1520 // make skinscenes for the skins (no groups)
1521 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1522 for (i = 0;i < loadmodel->numskins;i++)
1524 loadmodel->skinscenes[i].firstframe = i;
1525 loadmodel->skinscenes[i].framecount = 1;
1526 loadmodel->skinscenes[i].loop = true;
1527 loadmodel->skinscenes[i].framerate = 10;
1531 modelradius = pheader->radius;
1532 for (i = 0;i < 3;i++)
1534 loadmodel->normalmins[i] = pheader->mins[i];
1535 loadmodel->normalmaxs[i] = pheader->maxs[i];
1536 loadmodel->rotatedmins[i] = -modelradius;
1537 loadmodel->rotatedmaxs[i] = modelradius;
1539 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1540 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1541 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1542 if (loadmodel->yawmaxs[0] > modelradius)
1543 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1544 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1545 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1546 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1547 loadmodel->radius = modelradius;
1548 loadmodel->radius2 = modelradius * modelradius;
1550 // go through the lumps, swapping things
1552 //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1553 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1554 scene = (zymscene_t *) (pheader->lump_scenes.start + pbase);
1555 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1556 for (i = 0;i < pheader->numscenes;i++)
1558 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1559 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1560 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1561 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1562 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1563 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1564 Host_Error("%s scene->firstframe (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1565 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1566 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1567 if (loadmodel->animscenes[i].framerate < 0)
1568 Host_Error("%s scene->framerate (%f) < 0", loadmodel->name, loadmodel->animscenes[i].framerate);
1572 //zymlump_t lump_bones; // zymbone_t bone[numbones];
1573 loadmodel->num_bones = pheader->numbones;
1574 loadmodel->data_bones = (aliasbone_t *)Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1575 bone = (zymbone_t *) (pheader->lump_bones.start + pbase);
1576 for (i = 0;i < pheader->numbones;i++)
1578 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1579 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1580 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1581 if (loadmodel->data_bones[i].parent >= i)
1582 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1585 //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1586 vertbonecounts = (int *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1587 bonecount = (int *) (pheader->lump_vertbonecounts.start + pbase);
1588 for (i = 0;i < pheader->numverts;i++)
1590 vertbonecounts[i] = BigLong(bonecount[i]);
1591 if (vertbonecounts[i] != 1)
1592 Host_Error("%s bonecount[%i] != 1 (vertex weight support is impossible in this format)", loadmodel->name, i);
1595 loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1597 meshvertices = pheader->numverts;
1598 meshtriangles = pheader->numtris;
1600 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1601 loadmodel->num_textures = loadmodel->num_surfaces;
1602 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]));
1603 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1604 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1605 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1606 loadmodel->surfmesh.num_vertices = meshvertices;
1607 loadmodel->surfmesh.num_triangles = meshtriangles;
1608 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1609 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1610 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1611 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1612 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1613 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1614 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1615 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1616 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1617 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1618 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
1620 //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1621 poses = (float *) (pheader->lump_poses.start + pbase);
1622 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1623 loadmodel->data_poses[i] = BigFloat(poses[i]);
1625 //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1626 verts = (zymvertex_t *)Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1627 vertdata = (zymvertex_t *) (pheader->lump_verts.start + pbase);
1628 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1629 // (converting from weight-blending skeletal animation to
1630 // deformation-based skeletal animation)
1631 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1632 for (i = 0;i < loadmodel->num_bones;i++)
1634 const float *m = loadmodel->data_poses + i * 12;
1635 if (loadmodel->data_bones[i].parent >= 0)
1636 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1638 for (k = 0;k < 12;k++)
1639 bonepose[12*i+k] = m[k];
1641 for (j = 0;j < pheader->numverts;j++)
1643 // this format really should have had a per vertexweight weight value...
1644 // but since it does not, the weighting is completely ignored and
1645 // only one weight is allowed per vertex
1646 int boneindex = BigLong(vertdata[j].bonenum);
1647 const float *m = bonepose + 12 * boneindex;
1648 float relativeorigin[3];
1649 relativeorigin[0] = BigFloat(vertdata[j].origin[0]);
1650 relativeorigin[1] = BigFloat(vertdata[j].origin[1]);
1651 relativeorigin[2] = BigFloat(vertdata[j].origin[2]);
1652 // transform the vertex bone weight into the base mesh
1653 loadmodel->surfmesh.data_vertex3f[j*3+0] = relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + m[ 3];
1654 loadmodel->surfmesh.data_vertex3f[j*3+1] = relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + m[ 7];
1655 loadmodel->surfmesh.data_vertex3f[j*3+2] = relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + m[11];
1656 // store the weight as the primary weight on this vertex
1657 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1658 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = 1;
1661 // normals and tangents are calculated after elements are loaded
1663 //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1664 outtexcoord2f = loadmodel->surfmesh.data_texcoordtexture2f;
1665 intexcoord2f = (float *) (pheader->lump_texcoords.start + pbase);
1666 for (i = 0;i < pheader->numverts;i++)
1668 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1669 // flip T coordinate for OpenGL
1670 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1673 //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1674 //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1675 //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1677 //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1678 //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)
1679 // byteswap, validate, and swap winding order of tris
1680 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1681 if (pheader->lump_render.length != count)
1682 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)", loadmodel->name, pheader->lump_render.length, count);
1683 renderlist = (int *) (pheader->lump_render.start + pbase);
1684 renderlistend = (int *) ((unsigned char *) renderlist + pheader->lump_render.length);
1686 for (i = 0;i < loadmodel->num_surfaces;i++)
1688 int firstvertex, lastvertex;
1689 if (renderlist >= renderlistend)
1690 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1691 count = BigLong(*renderlist);renderlist++;
1692 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1693 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1695 loadmodel->surfacelist[i] = i;
1696 surface = loadmodel->data_surfaces + i;
1697 surface->texture = loadmodel->data_textures + i;
1698 surface->num_firsttriangle = meshtriangles;
1699 surface->num_triangles = count;
1700 meshtriangles += surface->num_triangles;
1702 // load the elements
1703 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1704 for (j = 0;j < surface->num_triangles;j++, renderlist += 3)
1706 outelements[j*3+2] = BigLong(renderlist[0]);
1707 outelements[j*3+1] = BigLong(renderlist[1]);
1708 outelements[j*3+0] = BigLong(renderlist[2]);
1710 // validate the elements and find the used vertex range
1711 firstvertex = meshvertices;
1713 for (j = 0;j < surface->num_triangles * 3;j++)
1715 if ((unsigned int)outelements[j] >= (unsigned int)meshvertices)
1716 Host_Error("%s corrupt renderlist (out of bounds index)", loadmodel->name);
1717 firstvertex = min(firstvertex, outelements[j]);
1718 lastvertex = max(lastvertex, outelements[j]);
1720 surface->num_firstvertex = firstvertex;
1721 surface->num_vertices = lastvertex + 1 - firstvertex;
1723 // since zym models do not have named sections, reuse their shader
1724 // name as the section name
1725 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1727 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, shadername, shadername);
1729 for (j = 0;j < loadmodel->numskins;j++)
1730 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1732 Mod_FreeSkinFiles(skinfiles);
1733 Mem_Free(vertbonecounts);
1736 // compute all the mesh information that was not loaded from the file
1737 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
1738 Mod_BuildBaseBonePoses();
1739 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
1740 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);
1741 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1743 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1746 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1748 dpmheader_t *pheader;
1752 unsigned char *pbase;
1753 int i, j, k, meshvertices, meshtriangles;
1754 skinfile_t *skinfiles;
1755 unsigned char *data;
1758 pheader = (dpmheader_t *)buffer;
1759 pbase = (unsigned char *)buffer;
1760 if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
1761 Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a darkplaces model", loadmodel->name);
1762 if (BigLong(pheader->type) != 2)
1763 Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1765 loadmodel->type = mod_alias;
1766 loadmodel->synctype = ST_RAND;
1769 pheader->type = BigLong(pheader->type);
1770 pheader->filesize = BigLong(pheader->filesize);
1771 pheader->mins[0] = BigFloat(pheader->mins[0]);
1772 pheader->mins[1] = BigFloat(pheader->mins[1]);
1773 pheader->mins[2] = BigFloat(pheader->mins[2]);
1774 pheader->maxs[0] = BigFloat(pheader->maxs[0]);
1775 pheader->maxs[1] = BigFloat(pheader->maxs[1]);
1776 pheader->maxs[2] = BigFloat(pheader->maxs[2]);
1777 pheader->yawradius = BigFloat(pheader->yawradius);
1778 pheader->allradius = BigFloat(pheader->allradius);
1779 pheader->num_bones = BigLong(pheader->num_bones);
1780 pheader->num_meshs = BigLong(pheader->num_meshs);
1781 pheader->num_frames = BigLong(pheader->num_frames);
1782 pheader->ofs_bones = BigLong(pheader->ofs_bones);
1783 pheader->ofs_meshs = BigLong(pheader->ofs_meshs);
1784 pheader->ofs_frames = BigLong(pheader->ofs_frames);
1786 if (pheader->num_bones < 1 || pheader->num_meshs < 1)
1788 Con_Printf("%s has no geometry\n", loadmodel->name);
1791 if (pheader->num_frames < 1)
1793 Con_Printf("%s has no frames\n", loadmodel->name);
1797 loadmodel->DrawSky = NULL;
1798 loadmodel->Draw = R_Q1BSP_Draw;
1799 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1800 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1801 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1802 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1805 for (i = 0;i < 3;i++)
1807 loadmodel->normalmins[i] = pheader->mins[i];
1808 loadmodel->normalmaxs[i] = pheader->maxs[i];
1809 loadmodel->yawmins[i] = i != 2 ? -pheader->yawradius : pheader->mins[i];
1810 loadmodel->yawmaxs[i] = i != 2 ? pheader->yawradius : pheader->maxs[i];
1811 loadmodel->rotatedmins[i] = -pheader->allradius;
1812 loadmodel->rotatedmaxs[i] = pheader->allradius;
1814 loadmodel->radius = pheader->allradius;
1815 loadmodel->radius2 = pheader->allradius * pheader->allradius;
1817 // load external .skin files if present
1818 skinfiles = Mod_LoadSkinFiles();
1819 if (loadmodel->numskins < 1)
1820 loadmodel->numskins = 1;
1825 // gather combined statistics from the meshes
1826 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1827 for (i = 0;i < (int)pheader->num_meshs;i++)
1829 int numverts = BigLong(dpmmesh->num_verts);
1830 meshvertices += numverts;;
1831 meshtriangles += BigLong(dpmmesh->num_tris);
1835 loadmodel->numframes = pheader->num_frames;
1836 loadmodel->num_bones = pheader->num_bones;
1837 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
1838 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = pheader->num_meshs;
1839 // do most allocations as one merged chunk
1840 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));
1841 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1842 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1843 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1844 loadmodel->surfmesh.num_vertices = meshvertices;
1845 loadmodel->surfmesh.num_triangles = meshtriangles;
1846 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1847 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1848 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1849 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1850 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1851 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1852 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1853 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1854 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1855 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1856 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
1857 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
1858 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
1859 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1861 for (i = 0;i < loadmodel->numskins;i++)
1863 loadmodel->skinscenes[i].firstframe = i;
1864 loadmodel->skinscenes[i].framecount = 1;
1865 loadmodel->skinscenes[i].loop = true;
1866 loadmodel->skinscenes[i].framerate = 10;
1869 // load the bone info
1870 bone = (dpmbone_t *) (pbase + pheader->ofs_bones);
1871 for (i = 0;i < loadmodel->num_bones;i++)
1873 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1874 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1875 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1876 if (loadmodel->data_bones[i].parent >= i)
1877 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1881 frame = (dpmframe_t *) (pbase + pheader->ofs_frames);
1882 for (i = 0;i < loadmodel->numframes;i++)
1885 memcpy(loadmodel->animscenes[i].name, frame->name, sizeof(frame->name));
1886 loadmodel->animscenes[i].firstframe = i;
1887 loadmodel->animscenes[i].framecount = 1;
1888 loadmodel->animscenes[i].loop = true;
1889 loadmodel->animscenes[i].framerate = 10;
1890 // load the bone poses for this frame
1891 poses = (float *) (pbase + BigLong(frame->ofs_bonepositions));
1892 for (j = 0;j < loadmodel->num_bones*12;j++)
1893 loadmodel->data_poses[i * loadmodel->num_bones*12 + j] = BigFloat(poses[j]);
1894 // stuff not processed here: mins, maxs, yawradius, allradius
1898 // load the meshes now
1899 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1902 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1903 // (converting from weight-blending skeletal animation to
1904 // deformation-based skeletal animation)
1905 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1906 for (i = 0;i < loadmodel->num_bones;i++)
1908 const float *m = loadmodel->data_poses + i * 12;
1909 if (loadmodel->data_bones[i].parent >= 0)
1910 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1912 for (k = 0;k < 12;k++)
1913 bonepose[12*i+k] = m[k];
1915 for (i = 0;i < loadmodel->num_surfaces;i++, dpmmesh++)
1917 const int *inelements;
1919 const float *intexcoord;
1920 msurface_t *surface;
1922 loadmodel->surfacelist[i] = i;
1923 surface = loadmodel->data_surfaces + i;
1924 surface->texture = loadmodel->data_textures + i;
1925 surface->num_firsttriangle = meshtriangles;
1926 surface->num_triangles = BigLong(dpmmesh->num_tris);
1927 surface->num_firstvertex = meshvertices;
1928 surface->num_vertices = BigLong(dpmmesh->num_verts);
1929 meshvertices += surface->num_vertices;
1930 meshtriangles += surface->num_triangles;
1932 inelements = (int *) (pbase + BigLong(dpmmesh->ofs_indices));
1933 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1934 for (j = 0;j < surface->num_triangles;j++)
1936 // swap element order to flip triangles, because Quake uses clockwise (rare) and dpm uses counterclockwise (standard)
1937 outelements[0] = surface->num_firstvertex + BigLong(inelements[2]);
1938 outelements[1] = surface->num_firstvertex + BigLong(inelements[1]);
1939 outelements[2] = surface->num_firstvertex + BigLong(inelements[0]);
1944 intexcoord = (float *) (pbase + BigLong(dpmmesh->ofs_texcoords));
1945 for (j = 0;j < surface->num_vertices*2;j++)
1946 loadmodel->surfmesh.data_texcoordtexture2f[j + surface->num_firstvertex * 2] = BigFloat(intexcoord[j]);
1948 data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
1949 for (j = surface->num_firstvertex;j < surface->num_firstvertex + surface->num_vertices;j++)
1953 int numweights = BigLong(((dpmvertex_t *)data)->numbones);
1954 data += sizeof(dpmvertex_t);
1955 for (k = 0;k < numweights;k++)
1957 const dpmbonevert_t *vert = (dpmbonevert_t *) data;
1958 int boneindex = BigLong(vert->bonenum);
1959 const float *m = bonepose + 12 * boneindex;
1960 float influence = BigFloat(vert->influence);
1961 float relativeorigin[3], relativenormal[3];
1962 relativeorigin[0] = BigFloat(vert->origin[0]);
1963 relativeorigin[1] = BigFloat(vert->origin[1]);
1964 relativeorigin[2] = BigFloat(vert->origin[2]);
1965 relativenormal[0] = BigFloat(vert->normal[0]);
1966 relativenormal[1] = BigFloat(vert->normal[1]);
1967 relativenormal[2] = BigFloat(vert->normal[2]);
1968 // blend the vertex bone weights into the base mesh
1969 loadmodel->surfmesh.data_vertex3f[j*3+0] += relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + influence * m[ 3];
1970 loadmodel->surfmesh.data_vertex3f[j*3+1] += relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + influence * m[ 7];
1971 loadmodel->surfmesh.data_vertex3f[j*3+2] += relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + influence * m[11];
1972 loadmodel->surfmesh.data_normal3f[j*3+0] += relativenormal[0] * m[0] + relativenormal[1] * m[1] + relativenormal[2] * m[ 2];
1973 loadmodel->surfmesh.data_normal3f[j*3+1] += relativenormal[0] * m[4] + relativenormal[1] * m[5] + relativenormal[2] * m[ 6];
1974 loadmodel->surfmesh.data_normal3f[j*3+2] += relativenormal[0] * m[8] + relativenormal[1] * m[9] + relativenormal[2] * m[10];
1977 // store the first (and often only) weight
1978 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = influence;
1979 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1983 // sort the new weight into this vertex's weight table
1984 // (which only accepts up to 4 bones per vertex)
1985 for (l = 0;l < 4;l++)
1987 if (loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] < influence)
1989 // move weaker influence weights out of the way first
1991 for (l2 = 3;l2 > l;l2--)
1993 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2-1];
1994 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2-1];
1996 // store the new weight
1997 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] = influence;
1998 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l] = boneindex;
2003 data += sizeof(dpmbonevert_t);
2006 for (l = 0;l < 4;l++)
2007 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l];
2008 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2010 float f = 1.0f / sum;
2011 for (l = 0;l < 4;l++)
2012 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] *= f;
2016 // since dpm models do not have named sections, reuse their shader name as the section name
2017 if (dpmmesh->shadername[0])
2018 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, dpmmesh->shadername, dpmmesh->shadername);
2020 for (j = 0;j < loadmodel->numskins;j++)
2021 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
2023 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
2026 Mod_FreeSkinFiles(skinfiles);
2028 // compute all the mesh information that was not loaded from the file
2029 Mod_BuildBaseBonePoses();
2030 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);
2031 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2033 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
2036 // no idea why PSK/PSA files contain weird quaternions but they do...
2037 #define PSKQUATNEGATIONS
2038 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend)
2040 int i, j, index, version, recordsize, numrecords, meshvertices, meshtriangles;
2041 int numpnts, numvtxw, numfaces, nummatts, numbones, numrawweights, numanimbones, numanims, numanimkeys;
2042 fs_offset_t filesize;
2047 pskboneinfo_t *bones;
2048 pskrawweights_t *rawweights;
2049 pskboneinfo_t *animbones;
2050 pskaniminfo_t *anims;
2051 pskanimkeys_t *animkeys;
2052 void *animfilebuffer, *animbuffer, *animbufferend;
2053 unsigned char *data;
2055 skinfile_t *skinfiles;
2056 char animname[MAX_QPATH];
2058 pchunk = (pskchunk_t *)buffer;
2059 if (strcmp(pchunk->id, "ACTRHEAD"))
2060 Host_Error ("Mod_PSKMODEL_Load: %s is not an Unreal Engine ActorX (.psk + .psa) model", loadmodel->name);
2062 loadmodel->type = mod_alias;
2063 loadmodel->DrawSky = NULL;
2064 loadmodel->Draw = R_Q1BSP_Draw;
2065 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
2066 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
2067 loadmodel->DrawLight = R_Q1BSP_DrawLight;
2068 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
2069 loadmodel->synctype = ST_RAND;
2071 FS_StripExtension(loadmodel->name, animname, sizeof(animname));
2072 strlcat(animname, ".psa", sizeof(animname));
2073 animbuffer = animfilebuffer = FS_LoadFile(animname, loadmodel->mempool, false, &filesize);
2074 animbufferend = (void *)((unsigned char*)animbuffer + (int)filesize);
2075 if (animbuffer == NULL)
2076 Host_Error("%s: can't find .psa file (%s)", loadmodel->name, animname);
2095 while (buffer < bufferend)
2097 pchunk = (pskchunk_t *)buffer;
2098 buffer = (void *)((unsigned char *)buffer + sizeof(pskchunk_t));
2099 version = LittleLong(pchunk->version);
2100 recordsize = LittleLong(pchunk->recordsize);
2101 numrecords = LittleLong(pchunk->numrecords);
2102 if (developer.integer >= 100)
2103 Con_Printf("%s: %s %x: %i * %i = %i\n", loadmodel->name, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2104 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2105 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);
2106 if (!strcmp(pchunk->id, "ACTRHEAD"))
2110 else if (!strcmp(pchunk->id, "PNTS0000"))
2113 if (recordsize != sizeof(*p))
2114 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2115 // byteswap in place and keep the pointer
2116 numpnts = numrecords;
2117 pnts = (pskpnts_t *)buffer;
2118 for (index = 0, p = (pskpnts_t *)buffer;index < numrecords;index++, p++)
2120 p->origin[0] = LittleFloat(p->origin[0]);
2121 p->origin[1] = LittleFloat(p->origin[1]);
2122 p->origin[2] = LittleFloat(p->origin[2]);
2126 else if (!strcmp(pchunk->id, "VTXW0000"))
2129 if (recordsize != sizeof(*p))
2130 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2131 // byteswap in place and keep the pointer
2132 numvtxw = numrecords;
2133 vtxw = (pskvtxw_t *)buffer;
2134 for (index = 0, p = (pskvtxw_t *)buffer;index < numrecords;index++, p++)
2136 p->pntsindex = LittleShort(p->pntsindex);
2137 p->texcoord[0] = LittleFloat(p->texcoord[0]);
2138 p->texcoord[1] = LittleFloat(p->texcoord[1]);
2139 if (p->pntsindex >= numpnts)
2141 Con_Printf("%s: vtxw->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2147 else if (!strcmp(pchunk->id, "FACE0000"))
2150 if (recordsize != sizeof(*p))
2151 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2152 // byteswap in place and keep the pointer
2153 numfaces = numrecords;
2154 faces = (pskface_t *)buffer;
2155 for (index = 0, p = (pskface_t *)buffer;index < numrecords;index++, p++)
2157 p->vtxwindex[0] = LittleShort(p->vtxwindex[0]);
2158 p->vtxwindex[1] = LittleShort(p->vtxwindex[1]);
2159 p->vtxwindex[2] = LittleShort(p->vtxwindex[2]);
2160 p->group = LittleLong(p->group);
2161 if (p->vtxwindex[0] >= numvtxw)
2163 Con_Printf("%s: face->vtxwindex[0] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[0], numvtxw);
2164 p->vtxwindex[0] = 0;
2166 if (p->vtxwindex[1] >= numvtxw)
2168 Con_Printf("%s: face->vtxwindex[1] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[1], numvtxw);
2169 p->vtxwindex[1] = 0;
2171 if (p->vtxwindex[2] >= numvtxw)
2173 Con_Printf("%s: face->vtxwindex[2] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[2], numvtxw);
2174 p->vtxwindex[2] = 0;
2179 else if (!strcmp(pchunk->id, "MATT0000"))
2182 if (recordsize != sizeof(*p))
2183 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2184 // byteswap in place and keep the pointer
2185 nummatts = numrecords;
2186 matts = (pskmatt_t *)buffer;
2187 for (index = 0, p = (pskmatt_t *)buffer;index < numrecords;index++, p++)
2193 else if (!strcmp(pchunk->id, "REFSKELT"))
2196 if (recordsize != sizeof(*p))
2197 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2198 // byteswap in place and keep the pointer
2199 numbones = numrecords;
2200 bones = (pskboneinfo_t *)buffer;
2201 for (index = 0, p = (pskboneinfo_t *)buffer;index < numrecords;index++, p++)
2203 p->numchildren = LittleLong(p->numchildren);
2204 p->parent = LittleLong(p->parent);
2205 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2206 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2207 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2208 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2209 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2210 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2211 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2212 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2213 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2214 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2215 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2216 #ifdef PSKQUATNEGATIONS
2219 p->basepose.quat[0] *= -1;
2220 p->basepose.quat[1] *= -1;
2221 p->basepose.quat[2] *= -1;
2225 p->basepose.quat[0] *= 1;
2226 p->basepose.quat[1] *= -1;
2227 p->basepose.quat[2] *= 1;
2230 if (p->parent < 0 || p->parent >= numbones)
2232 Con_Printf("%s: bone->parent %i >= numbones %i\n", loadmodel->name, p->parent, numbones);
2238 else if (!strcmp(pchunk->id, "RAWWEIGHTS"))
2241 if (recordsize != sizeof(*p))
2242 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2243 // byteswap in place and keep the pointer
2244 numrawweights = numrecords;
2245 rawweights = (pskrawweights_t *)buffer;
2246 for (index = 0, p = (pskrawweights_t *)buffer;index < numrecords;index++, p++)
2248 p->weight = LittleFloat(p->weight);
2249 p->pntsindex = LittleLong(p->pntsindex);
2250 p->boneindex = LittleLong(p->boneindex);
2251 if (p->pntsindex < 0 || p->pntsindex >= numpnts)
2253 Con_Printf("%s: weight->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2256 if (p->boneindex < 0 || p->boneindex >= numbones)
2258 Con_Printf("%s: weight->boneindex %i >= numbones %i\n", loadmodel->name, p->boneindex, numbones);
2266 while (animbuffer < animbufferend)
2268 pchunk = (pskchunk_t *)animbuffer;
2269 animbuffer = (void *)((unsigned char *)animbuffer + sizeof(pskchunk_t));
2270 version = LittleLong(pchunk->version);
2271 recordsize = LittleLong(pchunk->recordsize);
2272 numrecords = LittleLong(pchunk->numrecords);
2273 if (developer.integer >= 100)
2274 Con_Printf("%s: %s %x: %i * %i = %i\n", animname, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2275 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2276 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);
2277 if (!strcmp(pchunk->id, "ANIMHEAD"))
2281 else if (!strcmp(pchunk->id, "BONENAMES"))
2284 if (recordsize != sizeof(*p))
2285 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2286 // byteswap in place and keep the pointer
2287 numanimbones = numrecords;
2288 animbones = (pskboneinfo_t *)animbuffer;
2289 // NOTE: supposedly psa does not need to match the psk model, the
2290 // bones missing from the psa would simply use their base
2291 // positions from the psk, but this is hard for me to implement
2292 // and people can easily make animations that match.
2293 if (numanimbones != numbones)
2294 Host_Error("%s: this loader only supports animations with the same bones as the mesh", loadmodel->name);
2295 for (index = 0, p = (pskboneinfo_t *)animbuffer;index < numrecords;index++, p++)
2297 p->numchildren = LittleLong(p->numchildren);
2298 p->parent = LittleLong(p->parent);
2299 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2300 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2301 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2302 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2303 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2304 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2305 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2306 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2307 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2308 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2309 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2310 #ifdef PSKQUATNEGATIONS
2313 p->basepose.quat[0] *= -1;
2314 p->basepose.quat[1] *= -1;
2315 p->basepose.quat[2] *= -1;
2319 p->basepose.quat[0] *= 1;
2320 p->basepose.quat[1] *= -1;
2321 p->basepose.quat[2] *= 1;
2324 if (p->parent < 0 || p->parent >= numanimbones)
2326 Con_Printf("%s: bone->parent %i >= numanimbones %i\n", animname, p->parent, numanimbones);
2329 // check that bones are the same as in the base
2330 if (strcmp(p->name, bones[index].name) || p->parent != bones[index].parent)
2331 Host_Error("%s: this loader only supports animations with the same bones as the mesh", animname);
2335 else if (!strcmp(pchunk->id, "ANIMINFO"))
2338 if (recordsize != sizeof(*p))
2339 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2340 // byteswap in place and keep the pointer
2341 numanims = numrecords;
2342 anims = (pskaniminfo_t *)animbuffer;
2343 for (index = 0, p = (pskaniminfo_t *)animbuffer;index < numrecords;index++, p++)
2345 p->numbones = LittleLong(p->numbones);
2346 p->playtime = LittleFloat(p->playtime);
2347 p->fps = LittleFloat(p->fps);
2348 p->firstframe = LittleLong(p->firstframe);
2349 p->numframes = LittleLong(p->numframes);
2350 if (p->numbones != numbones)
2351 Con_Printf("%s: animinfo->numbones != numbones, trying to load anyway!\n", animname);
2355 else if (!strcmp(pchunk->id, "ANIMKEYS"))
2358 if (recordsize != sizeof(*p))
2359 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2360 numanimkeys = numrecords;
2361 animkeys = (pskanimkeys_t *)animbuffer;
2362 for (index = 0, p = (pskanimkeys_t *)animbuffer;index < numrecords;index++, p++)
2364 p->origin[0] = LittleFloat(p->origin[0]);
2365 p->origin[1] = LittleFloat(p->origin[1]);
2366 p->origin[2] = LittleFloat(p->origin[2]);
2367 p->quat[0] = LittleFloat(p->quat[0]);
2368 p->quat[1] = LittleFloat(p->quat[1]);
2369 p->quat[2] = LittleFloat(p->quat[2]);
2370 p->quat[3] = LittleFloat(p->quat[3]);
2371 p->frametime = LittleFloat(p->frametime);
2372 #ifdef PSKQUATNEGATIONS
2373 if (index % numbones)
2388 // TODO: allocate bonepose stuff
2391 Con_Printf("%s: unknown chunk ID \"%s\"\n", animname, pchunk->id);
2394 if (!numpnts || !pnts || !numvtxw || !vtxw || !numfaces || !faces || !nummatts || !matts || !numbones || !bones || !numrawweights || !rawweights || !numanims || !anims || !numanimkeys || !animkeys)
2395 Host_Error("%s: missing required chunks", loadmodel->name);
2397 loadmodel->numframes = 0;
2398 for (index = 0;index < numanims;index++)
2399 loadmodel->numframes += anims[index].numframes;
2401 if (numanimkeys != numbones * loadmodel->numframes)
2402 Host_Error("%s: %s has incorrect number of animation keys", animname, pchunk->id);
2404 meshvertices = numvtxw;
2405 meshtriangles = numfaces;
2407 // load external .skin files if present
2408 skinfiles = Mod_LoadSkinFiles();
2409 if (loadmodel->numskins < 1)
2410 loadmodel->numskins = 1;
2411 loadmodel->num_bones = numbones;
2412 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
2413 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = nummatts;
2414 // do most allocations as one merged chunk
2415 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));
2416 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
2417 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
2418 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
2419 loadmodel->surfmesh.num_vertices = meshvertices;
2420 loadmodel->surfmesh.num_triangles = meshtriangles;
2421 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2422 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2423 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
2424 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2425 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2426 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
2427 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
2428 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
2429 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
2430 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2431 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
2432 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
2433 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
2434 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
2436 for (i = 0;i < loadmodel->numskins;i++)
2438 loadmodel->skinscenes[i].firstframe = i;
2439 loadmodel->skinscenes[i].framecount = 1;
2440 loadmodel->skinscenes[i].loop = true;
2441 loadmodel->skinscenes[i].framerate = 10;
2445 for (index = 0, i = 0;index < nummatts;index++)
2447 // since psk models do not have named sections, reuse their shader name as the section name
2448 if (matts[index].name[0])
2449 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + index, skinfiles, matts[index].name, matts[index].name);
2451 for (j = 0;j < loadmodel->numskins;j++)
2452 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + index + j * loadmodel->num_surfaces, NULL);
2453 loadmodel->surfacelist[index] = index;
2454 loadmodel->data_surfaces[index].texture = loadmodel->data_textures + index;
2455 loadmodel->data_surfaces[index].num_firstvertex = 0;
2456 loadmodel->data_surfaces[index].num_vertices = loadmodel->surfmesh.num_vertices;
2459 // copy over the vertex locations and texcoords
2460 for (index = 0;index < numvtxw;index++)
2462 loadmodel->surfmesh.data_vertex3f[index*3+0] = pnts[vtxw[index].pntsindex].origin[0];
2463 loadmodel->surfmesh.data_vertex3f[index*3+1] = pnts[vtxw[index].pntsindex].origin[1];
2464 loadmodel->surfmesh.data_vertex3f[index*3+2] = pnts[vtxw[index].pntsindex].origin[2];
2465 loadmodel->surfmesh.data_texcoordtexture2f[index*2+0] = vtxw[index].texcoord[0];
2466 loadmodel->surfmesh.data_texcoordtexture2f[index*2+1] = vtxw[index].texcoord[1];
2469 // loading the faces is complicated because we need to sort them into surfaces by mattindex
2470 for (index = 0;index < numfaces;index++)
2471 loadmodel->data_surfaces[faces[index].mattindex].num_triangles++;
2472 for (index = 0, i = 0;index < nummatts;index++)
2474 loadmodel->data_surfaces[index].num_firsttriangle = i;
2475 i += loadmodel->data_surfaces[index].num_triangles;
2476 loadmodel->data_surfaces[index].num_triangles = 0;
2478 for (index = 0;index < numfaces;index++)
2480 i = (loadmodel->data_surfaces[faces[index].mattindex].num_firsttriangle + loadmodel->data_surfaces[faces[index].mattindex].num_triangles++)*3;
2481 loadmodel->surfmesh.data_element3i[i+0] = faces[index].vtxwindex[0];
2482 loadmodel->surfmesh.data_element3i[i+1] = faces[index].vtxwindex[1];
2483 loadmodel->surfmesh.data_element3i[i+2] = faces[index].vtxwindex[2];
2486 // copy over the bones
2487 for (index = 0;index < numbones;index++)
2489 strlcpy(loadmodel->data_bones[index].name, bones[index].name, sizeof(loadmodel->data_bones[index].name));
2490 loadmodel->data_bones[index].parent = (index || bones[index].parent > 0) ? bones[index].parent : -1;
2491 if (loadmodel->data_bones[index].parent >= index)
2492 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, index, index);
2495 // sort the psk point weights into the vertex weight tables
2496 // (which only accept up to 4 bones per vertex)
2497 for (index = 0;index < numvtxw;index++)
2501 for (j = 0;j < numrawweights;j++)
2503 if (rawweights[j].pntsindex == vtxw[index].pntsindex)
2505 int boneindex = rawweights[j].boneindex;
2506 float influence = rawweights[j].weight;
2507 for (l = 0;l < 4;l++)
2509 if (loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] < influence)
2511 // move lower influence weights out of the way first
2513 for (l2 = 3;l2 > l;l2--)
2515 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2-1];
2516 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2-1];
2518 // store the new weight
2519 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] = influence;
2520 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l] = boneindex;
2527 for (l = 0;l < 4;l++)
2528 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l];
2529 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2531 float f = 1.0f / sum;
2532 for (l = 0;l < 4;l++)
2533 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] *= f;
2537 // set up the animscenes based on the anims
2538 for (index = 0, i = 0;index < numanims;index++)
2540 for (j = 0;j < anims[index].numframes;j++, i++)
2542 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "%s_%d", anims[index].name, j);
2543 loadmodel->animscenes[i].firstframe = i;
2544 loadmodel->animscenes[i].framecount = 1;
2545 loadmodel->animscenes[i].loop = true;
2546 loadmodel->animscenes[i].framerate = 10;
2550 // load the poses from the animkeys
2551 for (index = 0;index < numanimkeys;index++)
2553 pskanimkeys_t *k = animkeys + index;
2555 Matrix4x4_FromOriginQuat(&matrix, k->origin[0], k->origin[1], k->origin[2], k->quat[0], k->quat[1], k->quat[2], k->quat[3]);
2556 Matrix4x4_ToArray12FloatD3D(&matrix, loadmodel->data_poses + index*12);
2558 Mod_FreeSkinFiles(skinfiles);
2559 Mem_Free(animfilebuffer);
2561 // compute all the mesh information that was not loaded from the file
2562 // TODO: honor smoothing groups somehow?
2563 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
2564 Mod_BuildBaseBonePoses();
2565 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
2566 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);
2567 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2568 Mod_Alias_CalculateBoundingBox();
2570 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;