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 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, wi += 4, wf += 4, vertex3f += 3)
93 const float *m = boneposerelative[wi[0]];
94 vertex3f[0] = (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
95 vertex3f[1] = (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
96 vertex3f[2] = (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
100 const float *m = boneposerelative[wi[0]];
102 vertex3f[0] = f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
103 vertex3f[1] = f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
104 vertex3f[2] = f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
105 for (k = 1;k < 4 && wf[k];k++)
107 const float *m = boneposerelative[wi[k]];
109 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
110 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
111 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
118 const float *n = model->surfmesh.data_normal3f;
119 const int *wi = model->surfmesh.data_vertexweightindex4i;
120 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
121 for (i = 0;i < model->surfmesh.num_vertices;i++, n += 3, wi += 4, wf += 4, normal3f += 3)
125 const float *m = boneposerelative[wi[0]];
126 normal3f[0] = (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
127 normal3f[1] = (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
128 normal3f[2] = (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
132 const float *m = boneposerelative[wi[0]];
134 normal3f[0] = f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
135 normal3f[1] = f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
136 normal3f[2] = f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
137 for (k = 1;k < 4 && wf[k];k++)
139 const float *m = boneposerelative[wi[k]];
141 normal3f[0] += f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
142 normal3f[1] += f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
143 normal3f[2] += f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
150 const float *sv = model->surfmesh.data_svector3f;
151 const int *wi = model->surfmesh.data_vertexweightindex4i;
152 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
153 for (i = 0;i < model->surfmesh.num_vertices;i++, sv += 3, wi += 4, wf += 4, svector3f += 3)
157 const float *m = boneposerelative[wi[0]];
158 svector3f[0] = (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
159 svector3f[1] = (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
160 svector3f[2] = (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
164 const float *m = boneposerelative[wi[0]];
166 svector3f[0] = f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
167 svector3f[1] = f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
168 svector3f[2] = f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
169 for (k = 1;k < 4 && wf[k];k++)
171 const float *m = boneposerelative[wi[k]];
173 svector3f[0] += f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
174 svector3f[1] += f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
175 svector3f[2] += f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
182 const float *tv = model->surfmesh.data_tvector3f;
183 const int *wi = model->surfmesh.data_vertexweightindex4i;
184 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
185 for (i = 0;i < model->surfmesh.num_vertices;i++, tv += 3, wi += 4, wf += 4, tvector3f += 3)
189 const float *m = boneposerelative[wi[0]];
190 tvector3f[0] = (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
191 tvector3f[1] = (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
192 tvector3f[2] = (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
196 const float *m = boneposerelative[wi[0]];
198 tvector3f[0] = f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
199 tvector3f[1] = f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
200 tvector3f[2] = f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
201 for (k = 1;k < 4 && wf[k];k++)
203 const float *m = boneposerelative[wi[k]];
205 tvector3f[0] += f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
206 tvector3f[1] += f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
207 tvector3f[2] += f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
213 else if (model->surfmesh.data_morphmd3vertex)
216 int i, numblends, blendnum;
217 int numverts = model->surfmesh.num_vertices;
219 for (blendnum = 0;blendnum < 4;blendnum++)
221 //VectorMA(translate, model->surfmesh.num_morphmdlframetranslate, frameblend[blendnum].lerp, translate);
222 if (frameblend[blendnum].lerp > 0)
223 numblends = blendnum + 1;
225 // special case for the first blend because it avoids some adds and the need to memset the arrays first
226 for (blendnum = 0;blendnum < numblends;blendnum++)
228 const md3vertex_t *verts = model->surfmesh.data_morphmd3vertex + numverts * frameblend[blendnum].frame;
229 float scale = frameblend[blendnum].lerp * (1.0f / 64.0f);
232 for (i = 0;i < numverts;i++)
234 vertex3f[i * 3 + 0] = verts[i].origin[0] * scale;
235 vertex3f[i * 3 + 1] = verts[i].origin[1] * scale;
236 vertex3f[i * 3 + 2] = verts[i].origin[2] * scale;
241 for (i = 0;i < numverts;i++)
243 vertex3f[i * 3 + 0] += verts[i].origin[0] * scale;
244 vertex3f[i * 3 + 1] += verts[i].origin[1] * scale;
245 vertex3f[i * 3 + 2] += verts[i].origin[2] * scale;
248 // the yaw and pitch stored in md3 models are 8bit quantized angles
249 // (0-255), and as such a lookup table is very well suited to
250 // decoding them, and since cosine is equivilant to sine with an
251 // extra 45 degree rotation, this uses one lookup table for both
252 // sine and cosine with a +64 bias to get cosine.
255 float lerp = frameblend[blendnum].lerp;
258 for (i = 0;i < numverts;i++)
260 normal3f[i * 3 + 0] = mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
261 normal3f[i * 3 + 1] = mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
262 normal3f[i * 3 + 2] = mod_md3_sin[verts[i].pitch + 64] * lerp;
267 for (i = 0;i < numverts;i++)
269 normal3f[i * 3 + 0] += mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
270 normal3f[i * 3 + 1] += mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
271 normal3f[i * 3 + 2] += mod_md3_sin[verts[i].pitch + 64] * lerp;
276 // md3 model vertices do not include tangents, so we have to generate them (extremely slow)
279 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);
281 else if (model->surfmesh.data_morphmdlvertex)
284 int i, numblends, blendnum;
285 int numverts = model->surfmesh.num_vertices;
287 VectorClear(translate);
289 // blend the frame translates to avoid redundantly doing so on each vertex
290 // (a bit of a brain twister but it works)
291 for (blendnum = 0;blendnum < 4;blendnum++)
293 if (model->surfmesh.data_morphmd2framesize6f)
294 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6 + 3, translate);
296 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.num_morphmdlframetranslate, translate);
297 if (frameblend[blendnum].lerp > 0)
298 numblends = blendnum + 1;
300 // special case for the first blend because it avoids some adds and the need to memset the arrays first
301 for (blendnum = 0;blendnum < numblends;blendnum++)
303 const trivertx_t *verts = model->surfmesh.data_morphmdlvertex + numverts * frameblend[blendnum].frame;
305 if (model->surfmesh.data_morphmd2framesize6f)
306 VectorScale(model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6, frameblend[blendnum].lerp, scale);
308 VectorScale(model->surfmesh.num_morphmdlframescale, frameblend[blendnum].lerp, scale);
311 for (i = 0;i < numverts;i++)
313 vertex3f[i * 3 + 0] = translate[0] + verts[i].v[0] * scale[0];
314 vertex3f[i * 3 + 1] = translate[1] + verts[i].v[1] * scale[1];
315 vertex3f[i * 3 + 2] = translate[2] + verts[i].v[2] * scale[2];
320 for (i = 0;i < numverts;i++)
322 vertex3f[i * 3 + 0] += verts[i].v[0] * scale[0];
323 vertex3f[i * 3 + 1] += verts[i].v[1] * scale[1];
324 vertex3f[i * 3 + 2] += verts[i].v[2] * scale[2];
327 // the vertex normals in mdl models are an index into a table of
328 // 162 unique values, this very crude quantization reduces the
329 // vertex normal to only one byte, which saves a lot of space but
330 // also makes lighting pretty coarse
333 float lerp = frameblend[blendnum].lerp;
336 for (i = 0;i < numverts;i++)
338 const float *vn = m_bytenormals[verts[i].lightnormalindex];
339 VectorScale(vn, lerp, normal3f + i*3);
344 for (i = 0;i < numverts;i++)
346 const float *vn = m_bytenormals[verts[i].lightnormalindex];
347 VectorMA(normal3f + i*3, lerp, vn, normal3f + i*3);
354 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);
357 Host_Error("model %s has no skeletal or vertex morph animation data", model->name);
360 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
362 const float *boneframe;
363 float tempbonematrix[12], bonematrix[12];
364 *outmatrix = identitymatrix;
365 if (model->num_bones)
367 if (tagindex < 0 || tagindex >= model->num_bones)
369 if (poseframe >= model->num_poses)
371 boneframe = model->data_poses + poseframe * model->num_bones * 12;
372 memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
373 while (model->data_bones[tagindex].parent >= 0)
375 memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
376 R_ConcatTransforms(boneframe + model->data_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
377 tagindex = model->data_bones[tagindex].parent;
379 Matrix4x4_FromArray12FloatD3D(outmatrix, bonematrix);
381 else if (model->num_tags)
383 if (tagindex < 0 || tagindex >= model->num_tags)
385 if (poseframe >= model->num_tagframes)
387 Matrix4x4_FromArray12FloatGL(outmatrix, model->data_tags[poseframe * model->num_tags + tagindex].matrixgl);
392 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
395 if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
396 for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
397 if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
399 if (model->num_bones)
400 for (i = 0;i < model->num_bones;i++)
401 if (!strcasecmp(tagname, model->data_bones[i].name))
404 for (i = 0;i < model->num_tags;i++)
405 if (!strcasecmp(tagname, model->data_tags[i].name))
410 static void Mod_BuildBaseBonePoses(void)
414 float *in12f = loadmodel->data_poses;
415 float *out12f = loadmodel->data_basebonepose;
416 float *outinv12f = loadmodel->data_baseboneposeinverse;
417 for (i = 0;i < loadmodel->num_bones;i++, in12f += 12, out12f += 12, outinv12f += 12)
419 if (loadmodel->data_bones[i].parent >= 0)
420 R_ConcatTransforms(loadmodel->data_basebonepose + 12 * loadmodel->data_bones[i].parent, in12f, out12f);
422 for (k = 0;k < 12;k++)
423 out12f[k] = in12f[k];
427 // we only support uniform scaling, so assume the first row is enough
428 // (note the lack of sqrt here, because we're trying to undo the scaling,
429 // this means multiplying by the inverse scale twice - squaring it, which
430 // makes the sqrt a waste of time)
431 scale = 1.0 / (out12f[ 0] * out12f[ 0] + out12f[ 1] * out12f[ 1] + out12f[ 2] * out12f[ 2]);
433 // invert the rotation by transposing and multiplying by the squared
434 // recipricol of the input matrix scale as described above
435 outinv12f[ 0] = (float)(out12f[ 0] * scale);
436 outinv12f[ 1] = (float)(out12f[ 4] * scale);
437 outinv12f[ 2] = (float)(out12f[ 8] * scale);
438 outinv12f[ 4] = (float)(out12f[ 1] * scale);
439 outinv12f[ 5] = (float)(out12f[ 5] * scale);
440 outinv12f[ 6] = (float)(out12f[ 9] * scale);
441 outinv12f[ 8] = (float)(out12f[ 2] * scale);
442 outinv12f[ 9] = (float)(out12f[ 6] * scale);
443 outinv12f[10] = (float)(out12f[10] * scale);
445 // invert the translate
446 outinv12f[ 3] = -(out12f[ 3] * outinv12f[ 0] + out12f[ 7] * outinv12f[ 1] + out12f[11] * outinv12f[ 2]);
447 outinv12f[ 7] = -(out12f[ 3] * outinv12f[ 4] + out12f[ 7] * outinv12f[ 5] + out12f[11] * outinv12f[ 6]);
448 outinv12f[11] = -(out12f[ 3] * outinv12f[ 8] + out12f[ 7] * outinv12f[ 9] + out12f[11] * outinv12f[10]);
452 static void Mod_Alias_CalculateBoundingBox(void)
456 qboolean firstvertex = true;
457 float dist, yawradius, radius;
460 frameblend_t frameblend[4];
461 memset(frameblend, 0, sizeof(frameblend));
462 frameblend[0].lerp = 1;
463 vertex3f = Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3]));
464 VectorClear(loadmodel->normalmins);
465 VectorClear(loadmodel->normalmaxs);
468 for (i = 0;i < loadmodel->numframes;i++)
470 for (j = 0, frameblend[0].frame = loadmodel->animscenes[i].firstframe;j < loadmodel->animscenes[i].framecount;j++, frameblend[0].frame++)
472 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, vertex3f, NULL, NULL, NULL);
473 for (vnum = 0, v = vertex3f;vnum < loadmodel->surfmesh.num_vertices;vnum++, v += 3)
478 VectorCopy(v, loadmodel->normalmins);
479 VectorCopy(v, loadmodel->normalmaxs);
483 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
484 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
485 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
486 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
487 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
488 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
490 dist = v[0] * v[0] + v[1] * v[1];
491 if (yawradius < dist)
500 radius = sqrt(radius);
501 yawradius = sqrt(yawradius);
502 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
503 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
504 loadmodel->yawmins[2] = loadmodel->normalmins[2];
505 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
506 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
507 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
508 loadmodel->radius = radius;
509 loadmodel->radius2 = radius * radius;
512 static void Mod_Alias_Mesh_CompileFrameZero(void)
514 frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
515 loadmodel->surfmesh.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3][4]));
516 loadmodel->surfmesh.data_svector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 3;
517 loadmodel->surfmesh.data_tvector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 6;
518 loadmodel->surfmesh.data_normal3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 9;
519 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f);
522 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)
525 float segmentmins[3], segmentmaxs[3];
526 frameblend_t frameblend[4];
528 static int maxvertices = 0;
529 static float *vertex3f = NULL;
530 memset(trace, 0, sizeof(*trace));
532 trace->realfraction = 1;
533 trace->hitsupercontentsmask = hitsupercontentsmask;
534 memset(frameblend, 0, sizeof(frameblend));
535 frameblend[0].frame = frame;
536 frameblend[0].lerp = 1;
537 if (maxvertices < model->surfmesh.num_vertices)
541 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
542 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
544 if (VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
547 segmentmins[0] = min(start[0], end[0]) - 1;
548 segmentmins[1] = min(start[1], end[1]) - 1;
549 segmentmins[2] = min(start[2], end[2]) - 1;
550 segmentmaxs[0] = max(start[0], end[0]) + 1;
551 segmentmaxs[1] = max(start[1], end[1]) + 1;
552 segmentmaxs[2] = max(start[2], end[2]) + 1;
553 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
555 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
556 Collision_TraceLineTriangleMeshFloat(trace, start, end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
561 // box trace, performed as brush trace
562 colbrushf_t *thisbrush_start, *thisbrush_end;
563 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
564 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
565 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
566 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
567 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
568 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
569 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
570 VectorAdd(start, boxmins, boxstartmins);
571 VectorAdd(start, boxmaxs, boxstartmaxs);
572 VectorAdd(end, boxmins, boxendmins);
573 VectorAdd(end, boxmaxs, boxendmaxs);
574 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
575 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
576 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
578 if (maxvertices < model->surfmesh.num_vertices)
582 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
583 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
585 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
586 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
591 static void Mod_ConvertAliasVerts (int inverts, trivertx_t *v, trivertx_t *out, int *vertremap)
594 for (i = 0;i < inverts;i++)
596 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
598 j = vertremap[i]; // not onseam
601 j = vertremap[i+inverts]; // onseam
607 static void Mod_MDL_LoadFrames (unsigned char* datapointer, int inverts, int *vertremap)
609 int i, f, pose, groupframes;
611 daliasframetype_t *pframetype;
612 daliasframe_t *pinframe;
613 daliasgroup_t *group;
614 daliasinterval_t *intervals;
617 scene = loadmodel->animscenes;
618 for (f = 0;f < loadmodel->numframes;f++)
620 pframetype = (daliasframetype_t *)datapointer;
621 datapointer += sizeof(daliasframetype_t);
622 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
624 // a single frame is still treated as a group
631 group = (daliasgroup_t *)datapointer;
632 datapointer += sizeof(daliasgroup_t);
633 groupframes = LittleLong (group->numframes);
635 // intervals (time per frame)
636 intervals = (daliasinterval_t *)datapointer;
637 datapointer += sizeof(daliasinterval_t) * groupframes;
639 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
640 if (interval < 0.01f)
642 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
647 // get scene name from first frame
648 pinframe = (daliasframe_t *)datapointer;
650 strlcpy(scene->name, pinframe->name, sizeof(scene->name));
651 scene->firstframe = pose;
652 scene->framecount = groupframes;
653 scene->framerate = 1.0f / interval;
658 for (i = 0;i < groupframes;i++)
660 pinframe = (daliasframe_t *)datapointer;
661 datapointer += sizeof(daliasframe_t);
662 Mod_ConvertAliasVerts(inverts, (trivertx_t *)datapointer, loadmodel->surfmesh.data_morphmdlvertex + pose * loadmodel->surfmesh.num_vertices, vertremap);
663 datapointer += sizeof(trivertx_t) * inverts;
669 static void Mod_BuildAliasSkinFromSkinFrame(texture_t *texture, skinframe_t *skinframe)
671 texture->currentframe = texture;
672 texture->numskinframes = 1;
673 texture->skinframerate = 1;
674 texture->currentskinframe = texture->skinframes + 0;
676 texture->skinframes[0] = *skinframe;
680 memset(texture->skinframes, 0, sizeof(texture->skinframes));
681 texture->skinframes[0].base = r_texture_notexture;
684 texture->basematerialflags = MATERIALFLAG_WALL;
685 if (texture->currentskinframe->fog)
686 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT | MATERIALFLAG_NOSHADOW;
687 texture->currentmaterialflags = texture->basematerialflags;
690 static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
693 skinfileitem_t *skinfileitem;
694 skinframe_t tempskinframe;
697 // the skin += loadmodel->num_surfaces part of this is because data_textures on alias models is arranged as [numskins][numsurfaces]
698 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin += loadmodel->num_surfaces)
700 memset(skin, 0, sizeof(*skin));
701 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
702 // don't render unmentioned meshes
703 skin->basematerialflags = skin->currentmaterialflags = 0;
705 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
707 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
708 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
710 if (!Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
711 if (cls.state != ca_dedicated)
712 Con_Printf("mesh \"%s\": failed to load skin #%i \"%s\"\n", meshname, i, skinfileitem->replacement);
713 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
721 if (!Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
722 if (cls.state != ca_dedicated)
723 Con_Printf("Can't find texture \"%s\" for mesh \"%s\", using grey checkerboard\n", shadername, meshname);
724 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
728 #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);
729 #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);
730 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend)
732 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
733 float scales, scalet, interval;
737 stvert_t *pinstverts;
738 dtriangle_t *pintriangles;
739 daliasskintype_t *pinskintype;
740 daliasskingroup_t *pinskingroup;
741 daliasskininterval_t *pinskinintervals;
742 daliasframetype_t *pinframetype;
743 daliasgroup_t *pinframegroup;
744 unsigned char *datapointer, *startframes, *startskins;
745 char name[MAX_QPATH];
746 skinframe_t tempskinframe;
747 animscene_t *tempskinscenes;
748 texture_t *tempaliasskins;
750 int *vertonseam, *vertremap;
751 skinfile_t *skinfiles;
753 datapointer = (unsigned char *)buffer;
754 pinmodel = (mdl_t *)datapointer;
755 datapointer += sizeof(mdl_t);
757 version = LittleLong (pinmodel->version);
758 if (version != ALIAS_VERSION)
759 Host_Error ("%s has wrong version number (%i should be %i)",
760 loadmodel->name, version, ALIAS_VERSION);
762 loadmodel->type = mod_alias;
763 loadmodel->DrawSky = NULL;
764 loadmodel->Draw = R_Q1BSP_Draw;
765 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
766 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
767 loadmodel->DrawLight = R_Q1BSP_DrawLight;
768 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
770 loadmodel->num_surfaces = 1;
771 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
772 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int));
773 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
774 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
775 loadmodel->surfacelist[0] = 0;
777 loadmodel->numskins = LittleLong(pinmodel->numskins);
778 BOUNDI(loadmodel->numskins,0,65536);
779 skinwidth = LittleLong (pinmodel->skinwidth);
780 BOUNDI(skinwidth,0,65536);
781 skinheight = LittleLong (pinmodel->skinheight);
782 BOUNDI(skinheight,0,65536);
783 numverts = LittleLong(pinmodel->numverts);
784 BOUNDI(numverts,0,65536);
785 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->numtris);
786 BOUNDI(loadmodel->surfmesh.num_triangles,0,65536);
787 loadmodel->numframes = LittleLong(pinmodel->numframes);
788 BOUNDI(loadmodel->numframes,0,65536);
789 loadmodel->synctype = (synctype_t)LittleLong (pinmodel->synctype);
790 BOUNDI(loadmodel->synctype,0,2);
791 loadmodel->flags = LittleLong (pinmodel->flags);
793 for (i = 0;i < 3;i++)
795 loadmodel->surfmesh.num_morphmdlframescale[i] = LittleFloat (pinmodel->scale[i]);
796 loadmodel->surfmesh.num_morphmdlframetranslate[i] = LittleFloat (pinmodel->scale_origin[i]);
799 startskins = datapointer;
801 for (i = 0;i < loadmodel->numskins;i++)
803 pinskintype = (daliasskintype_t *)datapointer;
804 datapointer += sizeof(daliasskintype_t);
805 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
809 pinskingroup = (daliasskingroup_t *)datapointer;
810 datapointer += sizeof(daliasskingroup_t);
811 groupskins = LittleLong(pinskingroup->numskins);
812 datapointer += sizeof(daliasskininterval_t) * groupskins;
815 for (j = 0;j < groupskins;j++)
817 datapointer += skinwidth * skinheight;
822 pinstverts = (stvert_t *)datapointer;
823 datapointer += sizeof(stvert_t) * numverts;
825 pintriangles = (dtriangle_t *)datapointer;
826 datapointer += sizeof(dtriangle_t) * loadmodel->surfmesh.num_triangles;
828 startframes = datapointer;
829 loadmodel->surfmesh.num_morphframes = 0;
830 for (i = 0;i < loadmodel->numframes;i++)
832 pinframetype = (daliasframetype_t *)datapointer;
833 datapointer += sizeof(daliasframetype_t);
834 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
838 pinframegroup = (daliasgroup_t *)datapointer;
839 datapointer += sizeof(daliasgroup_t);
840 groupframes = LittleLong(pinframegroup->numframes);
841 datapointer += sizeof(daliasinterval_t) * groupframes;
844 for (j = 0;j < groupframes;j++)
846 datapointer += sizeof(daliasframe_t);
847 datapointer += sizeof(trivertx_t) * numverts;
848 loadmodel->surfmesh.num_morphframes++;
852 // store texture coordinates into temporary array, they will be stored
853 // after usage is determined (triangle data)
854 vertst = (float *)Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
855 vertremap = (int *)Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
856 vertonseam = vertremap + numverts * 2;
858 scales = 1.0 / skinwidth;
859 scalet = 1.0 / skinheight;
860 for (i = 0;i < numverts;i++)
862 vertonseam[i] = LittleLong(pinstverts[i].onseam);
863 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
864 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
865 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
866 vertst[(i+numverts)*2+1] = vertst[i*2+1];
869 // load triangle data
870 loadmodel->surfmesh.data_element3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->surfmesh.num_triangles);
872 // read the triangle elements
873 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
874 for (j = 0;j < 3;j++)
875 loadmodel->surfmesh.data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
876 // validate (note numverts is used because this is the original data)
877 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, numverts, __FILE__, __LINE__);
878 // now butcher the elements according to vertonseam and tri->facesfront
879 // and then compact the vertex set to remove duplicates
880 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
881 if (!LittleLong(pintriangles[i].facesfront)) // backface
882 for (j = 0;j < 3;j++)
883 if (vertonseam[loadmodel->surfmesh.data_element3i[i*3+j]])
884 loadmodel->surfmesh.data_element3i[i*3+j] += numverts;
886 // (this uses vertremap to count usage to save some memory)
887 for (i = 0;i < numverts*2;i++)
889 for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
890 vertremap[loadmodel->surfmesh.data_element3i[i]]++;
891 // build remapping table and compact array
892 loadmodel->surfmesh.num_vertices = 0;
893 for (i = 0;i < numverts*2;i++)
897 vertremap[i] = loadmodel->surfmesh.num_vertices;
898 vertst[loadmodel->surfmesh.num_vertices*2+0] = vertst[i*2+0];
899 vertst[loadmodel->surfmesh.num_vertices*2+1] = vertst[i*2+1];
900 loadmodel->surfmesh.num_vertices++;
903 vertremap[i] = -1; // not used at all
905 // remap the elements to the new vertex set
906 for (i = 0;i < loadmodel->surfmesh.num_triangles * 3;i++)
907 loadmodel->surfmesh.data_element3i[i] = vertremap[loadmodel->surfmesh.data_element3i[i]];
908 // store the texture coordinates
909 loadmodel->surfmesh.data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->surfmesh.num_vertices);
910 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
912 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = vertst[i*2+0];
913 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = vertst[i*2+1];
917 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
918 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)Mem_Alloc(loadmodel->mempool, sizeof(trivertx_t) * loadmodel->surfmesh.num_morphframes * loadmodel->surfmesh.num_vertices);
919 loadmodel->surfmesh.data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
920 Mod_MDL_LoadFrames (startframes, numverts, vertremap);
921 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
922 Mod_Alias_CalculateBoundingBox();
923 Mod_Alias_Mesh_CompileFrameZero();
929 skinfiles = Mod_LoadSkinFiles();
930 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
931 loadmodel->num_textures = loadmodel->num_surfaces;
932 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
935 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
936 Mod_FreeSkinFiles(skinfiles);
937 for (i = 0;i < loadmodel->numskins;i++)
939 loadmodel->skinscenes[i].firstframe = i;
940 loadmodel->skinscenes[i].framecount = 1;
941 loadmodel->skinscenes[i].loop = true;
942 loadmodel->skinscenes[i].framerate = 10;
948 datapointer = startskins;
949 for (i = 0;i < loadmodel->numskins;i++)
951 pinskintype = (daliasskintype_t *)datapointer;
952 datapointer += sizeof(daliasskintype_t);
954 if (pinskintype->type == ALIAS_SKIN_SINGLE)
961 pinskingroup = (daliasskingroup_t *)datapointer;
962 datapointer += sizeof(daliasskingroup_t);
964 groupskins = LittleLong (pinskingroup->numskins);
966 pinskinintervals = (daliasskininterval_t *)datapointer;
967 datapointer += sizeof(daliasskininterval_t) * groupskins;
969 interval = LittleFloat(pinskinintervals[0].interval);
970 if (interval < 0.01f)
972 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
977 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
978 loadmodel->skinscenes[i].firstframe = totalskins;
979 loadmodel->skinscenes[i].framecount = groupskins;
980 loadmodel->skinscenes[i].framerate = 1.0f / interval;
981 loadmodel->skinscenes[i].loop = true;
983 for (j = 0;j < groupskins;j++)
986 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
988 sprintf (name, "%s_%i", loadmodel->name, i);
989 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
990 Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP, true, r_fullbrights.integer, (unsigned char *)datapointer, skinwidth, skinheight, 8, NULL, NULL);
991 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
992 datapointer += skinwidth * skinheight;
996 // check for skins that don't exist in the model, but do exist as external images
997 // (this was added because yummyluv kept pestering me about support for it)
998 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
1000 // expand the arrays to make room
1001 tempskinscenes = loadmodel->skinscenes;
1002 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
1003 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
1004 Mem_Free(tempskinscenes);
1006 tempaliasskins = loadmodel->data_textures;
1007 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * (totalskins + 1) * sizeof(texture_t));
1008 memcpy(loadmodel->data_textures, tempaliasskins, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
1009 Mem_Free(tempaliasskins);
1011 // store the info about the new skin
1012 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
1013 strlcpy(loadmodel->skinscenes[loadmodel->numskins].name, name, sizeof(loadmodel->skinscenes[loadmodel->numskins].name));
1014 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
1015 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
1016 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
1017 loadmodel->skinscenes[loadmodel->numskins].loop = true;
1019 //increase skin counts
1020 loadmodel->numskins++;
1025 surface = loadmodel->data_surfaces;
1026 surface->texture = loadmodel->data_textures;
1027 surface->num_firsttriangle = 0;
1028 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1029 surface->num_firstvertex = 0;
1030 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1032 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1035 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
1037 int i, j, hashindex, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end;
1038 float iskinwidth, iskinheight;
1039 unsigned char *data;
1040 msurface_t *surface;
1042 unsigned char *base, *datapointer;
1043 md2frame_t *pinframe;
1045 md2triangle_t *intri;
1046 unsigned short *inst;
1047 struct md2verthash_s
1049 struct md2verthash_s *next;
1053 *hash, **md2verthash, *md2verthashdata;
1054 skinframe_t tempskinframe;
1055 skinfile_t *skinfiles;
1057 pinmodel = (md2_t *)buffer;
1058 base = (unsigned char *)buffer;
1060 version = LittleLong (pinmodel->version);
1061 if (version != MD2ALIAS_VERSION)
1062 Host_Error ("%s has wrong version number (%i should be %i)",
1063 loadmodel->name, version, MD2ALIAS_VERSION);
1065 loadmodel->type = mod_alias;
1066 loadmodel->DrawSky = NULL;
1067 loadmodel->Draw = R_Q1BSP_Draw;
1068 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1069 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1070 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1071 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1073 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
1074 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
1075 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
1076 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
1077 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
1078 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
1079 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
1080 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
1082 end = LittleLong(pinmodel->ofs_end);
1083 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
1084 Host_Error ("%s is not a valid model", loadmodel->name);
1085 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
1086 Host_Error ("%s is not a valid model", loadmodel->name);
1087 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
1088 Host_Error ("%s is not a valid model", loadmodel->name);
1089 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
1090 Host_Error ("%s is not a valid model", loadmodel->name);
1091 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
1092 Host_Error ("%s is not a valid model", loadmodel->name);
1094 loadmodel->numskins = LittleLong(pinmodel->num_skins);
1095 numxyz = LittleLong(pinmodel->num_xyz);
1096 numst = LittleLong(pinmodel->num_st);
1097 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->num_tris);
1098 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1099 loadmodel->surfmesh.num_morphframes = loadmodel->numframes;
1100 skinwidth = LittleLong(pinmodel->skinwidth);
1101 skinheight = LittleLong(pinmodel->skinheight);
1102 iskinwidth = 1.0f / skinwidth;
1103 iskinheight = 1.0f / skinheight;
1105 loadmodel->num_surfaces = 1;
1106 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1107 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]));
1108 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1109 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1110 loadmodel->surfacelist[0] = 0;
1111 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1112 loadmodel->surfmesh.data_morphmd2framesize6f = (float *)data;data += loadmodel->numframes * sizeof(float[6]);
1113 loadmodel->surfmesh.data_element3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1114 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1116 loadmodel->flags = 0; // there are no MD2 flags
1117 loadmodel->synctype = ST_RAND;
1120 inskin = (char *)(base + LittleLong(pinmodel->ofs_skins));
1121 skinfiles = Mod_LoadSkinFiles();
1124 loadmodel->num_textures = loadmodel->num_surfaces;
1125 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1126 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
1127 Mod_FreeSkinFiles(skinfiles);
1129 else if (loadmodel->numskins)
1131 // skins found (most likely not a player model)
1132 loadmodel->num_textures = loadmodel->num_surfaces;
1133 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1134 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
1136 if (!Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
1137 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
1138 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, &tempskinframe);
1143 // no skins (most likely a player model)
1144 loadmodel->numskins = 1;
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 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures, NULL);
1150 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1151 for (i = 0;i < loadmodel->numskins;i++)
1153 loadmodel->skinscenes[i].firstframe = i;
1154 loadmodel->skinscenes[i].framecount = 1;
1155 loadmodel->skinscenes[i].loop = true;
1156 loadmodel->skinscenes[i].framerate = 10;
1159 // load the triangles and stvert data
1160 inst = (unsigned short *)(base + LittleLong(pinmodel->ofs_st));
1161 intri = (md2triangle_t *)(base + LittleLong(pinmodel->ofs_tris));
1162 md2verthash = (struct md2verthash_s **)Mem_Alloc(tempmempool, 65536 * sizeof(hash));
1163 md2verthashdata = (struct md2verthash_s *)Mem_Alloc(tempmempool, loadmodel->surfmesh.num_triangles * 3 * sizeof(*hash));
1164 // swap the triangle list
1165 loadmodel->surfmesh.num_vertices = 0;
1166 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
1168 for (j = 0;j < 3;j++)
1170 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
1171 st = (unsigned short) LittleShort (intri[i].index_st[j]);
1174 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
1179 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
1182 hashindex = (xyz * 256 + st) & 65535;
1183 for (hash = md2verthash[hashindex];hash;hash = hash->next)
1184 if (hash->xyz == xyz && hash->st == st)
1188 hash = md2verthashdata + loadmodel->surfmesh.num_vertices++;
1191 hash->next = md2verthash[hashindex];
1192 md2verthash[hashindex] = hash;
1194 loadmodel->surfmesh.data_element3i[i*3+j] = (hash - md2verthashdata);
1198 vertremap = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(int));
1199 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));
1200 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
1201 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)data;data += loadmodel->surfmesh.num_vertices * loadmodel->surfmesh.num_morphframes * sizeof(trivertx_t);
1202 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
1205 hash = md2verthashdata + i;
1206 vertremap[i] = hash->xyz;
1207 sts = LittleShort(inst[hash->st*2+0]);
1208 stt = LittleShort(inst[hash->st*2+1]);
1209 if (sts < 0 || sts >= skinwidth || stt < 0 || stt >= skinheight)
1211 Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, sts, stt, i);
1215 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = sts * iskinwidth;
1216 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = stt * iskinheight;
1219 Mem_Free(md2verthash);
1220 Mem_Free(md2verthashdata);
1223 datapointer = (base + LittleLong(pinmodel->ofs_frames));
1224 for (i = 0;i < loadmodel->surfmesh.num_morphframes;i++)
1229 pinframe = (md2frame_t *)datapointer;
1230 datapointer += sizeof(md2frame_t);
1231 // store the frame scale/translate into the appropriate array
1232 for (j = 0;j < 3;j++)
1234 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+j] = LittleFloat(pinframe->scale[j]);
1235 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+3+j] = LittleFloat(pinframe->translate[j]);
1237 // convert the vertices
1238 v = (trivertx_t *)datapointer;
1239 out = loadmodel->surfmesh.data_morphmdlvertex + i * loadmodel->surfmesh.num_vertices;
1240 for (k = 0;k < loadmodel->surfmesh.num_vertices;k++)
1241 out[k] = v[vertremap[k]];
1242 datapointer += numxyz * sizeof(trivertx_t);
1244 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1245 loadmodel->animscenes[i].firstframe = i;
1246 loadmodel->animscenes[i].framecount = 1;
1247 loadmodel->animscenes[i].framerate = 10;
1248 loadmodel->animscenes[i].loop = true;
1251 Mem_Free(vertremap);
1253 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1254 Mod_Alias_CalculateBoundingBox();
1255 Mod_Alias_Mesh_CompileFrameZero();
1257 surface = loadmodel->data_surfaces;
1258 surface->texture = loadmodel->data_textures;
1259 surface->num_firsttriangle = 0;
1260 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1261 surface->num_firstvertex = 0;
1262 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1264 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1267 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
1269 int i, j, k, version, meshvertices, meshtriangles;
1270 unsigned char *data;
1271 msurface_t *surface;
1272 md3modelheader_t *pinmodel;
1273 md3frameinfo_t *pinframe;
1276 skinfile_t *skinfiles;
1278 pinmodel = (md3modelheader_t *)buffer;
1280 if (memcmp(pinmodel->identifier, "IDP3", 4))
1281 Host_Error ("%s is not a MD3 (IDP3) file", loadmodel->name);
1282 version = LittleLong (pinmodel->version);
1283 if (version != MD3VERSION)
1284 Host_Error ("%s has wrong version number (%i should be %i)",
1285 loadmodel->name, version, MD3VERSION);
1287 skinfiles = Mod_LoadSkinFiles();
1288 if (loadmodel->numskins < 1)
1289 loadmodel->numskins = 1;
1291 loadmodel->type = mod_alias;
1292 loadmodel->DrawSky = NULL;
1293 loadmodel->Draw = R_Q1BSP_Draw;
1294 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1295 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1296 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1297 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1298 loadmodel->flags = LittleLong(pinmodel->flags);
1299 loadmodel->synctype = ST_RAND;
1301 // set up some global info about the model
1302 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1303 loadmodel->num_surfaces = LittleLong(pinmodel->num_meshes);
1305 // make skinscenes for the skins (no groups)
1306 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1307 for (i = 0;i < loadmodel->numskins;i++)
1309 loadmodel->skinscenes[i].firstframe = i;
1310 loadmodel->skinscenes[i].framecount = 1;
1311 loadmodel->skinscenes[i].loop = true;
1312 loadmodel->skinscenes[i].framerate = 10;
1316 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
1317 for (i = 0, pinframe = (md3frameinfo_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
1319 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1320 loadmodel->animscenes[i].firstframe = i;
1321 loadmodel->animscenes[i].framecount = 1;
1322 loadmodel->animscenes[i].framerate = 10;
1323 loadmodel->animscenes[i].loop = true;
1327 loadmodel->num_tagframes = loadmodel->numframes;
1328 loadmodel->num_tags = LittleLong(pinmodel->num_tags);
1329 loadmodel->data_tags = (aliastag_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_tagframes * loadmodel->num_tags * sizeof(aliastag_t));
1330 for (i = 0, pintag = (md3tag_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->num_tagframes * loadmodel->num_tags;i++, pintag++)
1332 strlcpy(loadmodel->data_tags[i].name, pintag->name, sizeof(loadmodel->data_tags[i].name));
1333 for (j = 0;j < 9;j++)
1334 loadmodel->data_tags[i].matrixgl[j] = LittleFloat(pintag->rotationmatrix[j]);
1335 for (j = 0;j < 3;j++)
1336 loadmodel->data_tags[i].matrixgl[9+j] = LittleFloat(pintag->origin[j]);
1337 //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);
1343 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)))
1345 if (memcmp(pinmesh->identifier, "IDP3", 4))
1346 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1347 if (LittleLong(pinmesh->num_frames) != loadmodel->numframes)
1348 Host_Error("Mod_IDP3_Load: mesh numframes differs from header");
1349 meshvertices += LittleLong(pinmesh->num_vertices);
1350 meshtriangles += LittleLong(pinmesh->num_triangles);
1353 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1354 loadmodel->num_textures = loadmodel->num_surfaces;
1355 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));
1356 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1357 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1358 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1359 loadmodel->surfmesh.num_vertices = meshvertices;
1360 loadmodel->surfmesh.num_triangles = meshtriangles;
1361 loadmodel->surfmesh.num_morphframes = loadmodel->numframes; // TODO: remove?
1362 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1363 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1364 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1365 loadmodel->surfmesh.data_morphmd3vertex = (md3vertex_t *)data;data += meshvertices * loadmodel->numframes * sizeof(md3vertex_t);
1369 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)))
1371 if (memcmp(pinmesh->identifier, "IDP3", 4))
1372 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1373 loadmodel->surfacelist[i] = i;
1374 surface = loadmodel->data_surfaces + i;
1375 surface->texture = loadmodel->data_textures + i;
1376 surface->num_firsttriangle = meshtriangles;
1377 surface->num_triangles = LittleLong(pinmesh->num_triangles);
1378 surface->num_firstvertex = meshvertices;
1379 surface->num_vertices = LittleLong(pinmesh->num_vertices);
1380 meshvertices += surface->num_vertices;
1381 meshtriangles += surface->num_triangles;
1383 for (j = 0;j < surface->num_triangles * 3;j++)
1384 loadmodel->surfmesh.data_element3i[j + surface->num_firsttriangle * 3] = surface->num_firstvertex + LittleLong(((int *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1385 for (j = 0;j < surface->num_vertices;j++)
1387 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 0] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1388 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 1] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1390 for (j = 0;j < loadmodel->numframes;j++)
1392 const md3vertex_t *in = (md3vertex_t *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)) + j * surface->num_vertices;
1393 md3vertex_t *out = loadmodel->surfmesh.data_morphmd3vertex + surface->num_firstvertex + j * loadmodel->surfmesh.num_vertices;
1394 for (k = 0;k < surface->num_vertices;k++, in++, out++)
1396 out->origin[0] = LittleShort(in->origin[0]);
1397 out->origin[1] = LittleShort(in->origin[1]);
1398 out->origin[2] = LittleShort(in->origin[2]);
1399 out->pitch = in->pitch;
1404 if (LittleLong(pinmesh->num_shaders) >= 1)
1405 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, pinmesh->name, ((md3shader_t *)((unsigned char *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1407 for (j = 0;j < loadmodel->numskins;j++)
1408 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1410 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
1412 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1413 Mod_Alias_Mesh_CompileFrameZero();
1414 Mod_Alias_CalculateBoundingBox();
1415 Mod_FreeSkinFiles(skinfiles);
1417 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1420 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1422 zymtype1header_t *pinmodel, *pheader;
1423 unsigned char *pbase;
1424 int i, j, k, numposes, meshvertices, meshtriangles, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements;
1425 float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f, *bonepose;
1426 zymvertex_t *verts, *vertdata;
1430 skinfile_t *skinfiles;
1431 unsigned char *data;
1432 msurface_t *surface;
1434 pinmodel = (zymtype1header_t *)buffer;
1435 pbase = (unsigned char *)buffer;
1436 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1437 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model", loadmodel->name);
1438 if (BigLong(pinmodel->type) != 1)
1439 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1441 loadmodel->type = mod_alias;
1442 loadmodel->flags = 0; // there are no flags on zym models
1443 loadmodel->synctype = ST_RAND;
1447 pheader->type = BigLong(pinmodel->type);
1448 pheader->filesize = BigLong(pinmodel->filesize);
1449 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1450 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1451 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1452 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1453 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1454 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1455 pheader->radius = BigFloat(pinmodel->radius);
1456 pheader->numverts = BigLong(pinmodel->numverts);
1457 pheader->numtris = BigLong(pinmodel->numtris);
1458 pheader->numshaders = BigLong(pinmodel->numshaders);
1459 pheader->numbones = BigLong(pinmodel->numbones);
1460 pheader->numscenes = BigLong(pinmodel->numscenes);
1461 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1462 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1463 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1464 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1465 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1466 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1467 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1468 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1469 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1470 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1471 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1472 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1473 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1474 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1475 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1476 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1477 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1478 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1480 if (pheader->numtris < 1 || pheader->numverts < 3 || pheader->numshaders < 1)
1482 Con_Printf("%s has no geometry\n", loadmodel->name);
1485 if (pheader->numscenes < 1 || pheader->lump_poses.length < (int)sizeof(float[3][4]))
1487 Con_Printf("%s has no animations\n", loadmodel->name);
1491 loadmodel->DrawSky = NULL;
1492 loadmodel->Draw = R_Q1BSP_Draw;
1493 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1494 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1495 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1496 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1498 loadmodel->numframes = pheader->numscenes;
1499 loadmodel->num_surfaces = pheader->numshaders;
1501 skinfiles = Mod_LoadSkinFiles();
1502 if (loadmodel->numskins < 1)
1503 loadmodel->numskins = 1;
1505 // make skinscenes for the skins (no groups)
1506 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1507 for (i = 0;i < loadmodel->numskins;i++)
1509 loadmodel->skinscenes[i].firstframe = i;
1510 loadmodel->skinscenes[i].framecount = 1;
1511 loadmodel->skinscenes[i].loop = true;
1512 loadmodel->skinscenes[i].framerate = 10;
1516 modelradius = pheader->radius;
1517 for (i = 0;i < 3;i++)
1519 loadmodel->normalmins[i] = pheader->mins[i];
1520 loadmodel->normalmaxs[i] = pheader->maxs[i];
1521 loadmodel->rotatedmins[i] = -modelradius;
1522 loadmodel->rotatedmaxs[i] = modelradius;
1524 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1525 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1526 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1527 if (loadmodel->yawmaxs[0] > modelradius)
1528 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1529 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1530 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1531 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1532 loadmodel->radius = modelradius;
1533 loadmodel->radius2 = modelradius * modelradius;
1535 // go through the lumps, swapping things
1537 //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1538 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1539 scene = (zymscene_t *) (pheader->lump_scenes.start + pbase);
1540 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1541 for (i = 0;i < pheader->numscenes;i++)
1543 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1544 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1545 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1546 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1547 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1548 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1549 Host_Error("%s scene->firstframe (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1550 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1551 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1552 if (loadmodel->animscenes[i].framerate < 0)
1553 Host_Error("%s scene->framerate (%f) < 0", loadmodel->name, loadmodel->animscenes[i].framerate);
1557 //zymlump_t lump_bones; // zymbone_t bone[numbones];
1558 loadmodel->num_bones = pheader->numbones;
1559 loadmodel->data_bones = (aliasbone_t *)Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1560 bone = (zymbone_t *) (pheader->lump_bones.start + pbase);
1561 for (i = 0;i < pheader->numbones;i++)
1563 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1564 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1565 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1566 if (loadmodel->data_bones[i].parent >= i)
1567 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1570 //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1571 vertbonecounts = (int *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1572 bonecount = (int *) (pheader->lump_vertbonecounts.start + pbase);
1573 for (i = 0;i < pheader->numverts;i++)
1575 vertbonecounts[i] = BigLong(bonecount[i]);
1576 if (vertbonecounts[i] != 1)
1577 Host_Error("%s bonecount[%i] != 1 (vertex weight support is impossible in this format)", loadmodel->name, i);
1580 loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1582 meshvertices = pheader->numverts;
1583 meshtriangles = pheader->numtris;
1585 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1586 loadmodel->num_textures = loadmodel->num_surfaces;
1587 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * sizeof(float[14]) + meshvertices * sizeof(int[4]) + meshvertices * sizeof(float[4]) + loadmodel->num_poses * sizeof(float[36]));
1588 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1589 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1590 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1591 loadmodel->surfmesh.num_vertices = meshvertices;
1592 loadmodel->surfmesh.num_triangles = meshtriangles;
1593 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1594 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1595 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1596 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1597 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1598 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1599 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1600 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1601 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1602 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1603 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1604 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1606 //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1607 poses = (float *) (pheader->lump_poses.start + pbase);
1608 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1609 loadmodel->data_poses[i] = BigFloat(poses[i]);
1611 //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1612 verts = (zymvertex_t *)Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1613 vertdata = (zymvertex_t *) (pheader->lump_verts.start + pbase);
1614 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1615 // (converting from weight-blending skeletal animation to
1616 // deformation-based skeletal animation)
1617 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1618 for (i = 0;i < loadmodel->num_bones;i++)
1620 const float *m = loadmodel->data_poses + i * 12;
1621 if (loadmodel->data_bones[i].parent >= 0)
1622 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1624 for (k = 0;k < 12;k++)
1625 bonepose[12*i+k] = m[k];
1627 for (j = 0;j < pheader->numverts;j++)
1629 // this format really should have had a per vertexweight weight value...
1630 // but since it does not, the weighting is completely ignored and
1631 // only one weight is allowed per vertex
1632 int boneindex = BigLong(vertdata[j].bonenum);
1633 const float *m = bonepose + 12 * boneindex;
1634 float relativeorigin[3];
1635 relativeorigin[0] = BigFloat(vertdata[j].origin[0]);
1636 relativeorigin[1] = BigFloat(vertdata[j].origin[1]);
1637 relativeorigin[2] = BigFloat(vertdata[j].origin[2]);
1638 // transform the vertex bone weight into the base mesh
1639 loadmodel->surfmesh.data_vertex3f[j*3+0] = relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + m[ 3];
1640 loadmodel->surfmesh.data_vertex3f[j*3+1] = relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + m[ 7];
1641 loadmodel->surfmesh.data_vertex3f[j*3+2] = relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + m[11];
1642 // store the weight as the primary weight on this vertex
1643 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1644 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = 1;
1647 // normals and tangents are calculated after elements are loaded
1649 //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1650 outtexcoord2f = loadmodel->surfmesh.data_texcoordtexture2f;
1651 intexcoord2f = (float *) (pheader->lump_texcoords.start + pbase);
1652 for (i = 0;i < pheader->numverts;i++)
1654 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1655 // flip T coordinate for OpenGL
1656 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1659 //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1660 //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1661 //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1663 //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1664 //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)
1665 // byteswap, validate, and swap winding order of tris
1666 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1667 if (pheader->lump_render.length != count)
1668 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)", loadmodel->name, pheader->lump_render.length, count);
1669 renderlist = (int *) (pheader->lump_render.start + pbase);
1670 renderlistend = (int *) ((unsigned char *) renderlist + pheader->lump_render.length);
1672 for (i = 0;i < loadmodel->num_surfaces;i++)
1674 int firstvertex, lastvertex;
1675 if (renderlist >= renderlistend)
1676 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1677 count = BigLong(*renderlist);renderlist++;
1678 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1679 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1681 loadmodel->surfacelist[i] = i;
1682 surface = loadmodel->data_surfaces + i;
1683 surface->texture = loadmodel->data_textures + i;
1684 surface->num_firsttriangle = meshtriangles;
1685 surface->num_triangles = count;
1686 meshtriangles += surface->num_triangles;
1688 // load the elements
1689 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1690 for (j = 0;j < surface->num_triangles;j++, renderlist += 3)
1692 outelements[j*3+2] = BigLong(renderlist[0]);
1693 outelements[j*3+1] = BigLong(renderlist[1]);
1694 outelements[j*3+0] = BigLong(renderlist[2]);
1696 // validate the elements and find the used vertex range
1697 firstvertex = meshvertices;
1699 for (j = 0;j < surface->num_triangles * 3;j++)
1701 if ((unsigned int)outelements[j] >= (unsigned int)meshvertices)
1702 Host_Error("%s corrupt renderlist (out of bounds index)", loadmodel->name);
1703 firstvertex = min(firstvertex, outelements[j]);
1704 lastvertex = max(lastvertex, outelements[j]);
1706 surface->num_firstvertex = firstvertex;
1707 surface->num_vertices = lastvertex + 1 - firstvertex;
1709 // since zym models do not have named sections, reuse their shader
1710 // name as the section name
1711 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1713 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, shadername, shadername);
1715 for (j = 0;j < loadmodel->numskins;j++)
1716 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1718 Mod_FreeSkinFiles(skinfiles);
1719 Mem_Free(vertbonecounts);
1722 // compute all the mesh information that was not loaded from the file
1723 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
1724 Mod_BuildBaseBonePoses();
1725 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
1726 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);
1727 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1729 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1732 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1734 dpmheader_t *pheader;
1738 unsigned char *pbase;
1739 int i, j, k, meshvertices, meshtriangles;
1740 skinfile_t *skinfiles;
1741 unsigned char *data;
1744 pheader = (dpmheader_t *)buffer;
1745 pbase = (unsigned char *)buffer;
1746 if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
1747 Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a darkplaces model", loadmodel->name);
1748 if (BigLong(pheader->type) != 2)
1749 Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1751 loadmodel->type = mod_alias;
1752 loadmodel->flags = 0; // there are no flags on zym models
1753 loadmodel->synctype = ST_RAND;
1756 pheader->type = BigLong(pheader->type);
1757 pheader->filesize = BigLong(pheader->filesize);
1758 pheader->mins[0] = BigFloat(pheader->mins[0]);
1759 pheader->mins[1] = BigFloat(pheader->mins[1]);
1760 pheader->mins[2] = BigFloat(pheader->mins[2]);
1761 pheader->maxs[0] = BigFloat(pheader->maxs[0]);
1762 pheader->maxs[1] = BigFloat(pheader->maxs[1]);
1763 pheader->maxs[2] = BigFloat(pheader->maxs[2]);
1764 pheader->yawradius = BigFloat(pheader->yawradius);
1765 pheader->allradius = BigFloat(pheader->allradius);
1766 pheader->num_bones = BigLong(pheader->num_bones);
1767 pheader->num_meshs = BigLong(pheader->num_meshs);
1768 pheader->num_frames = BigLong(pheader->num_frames);
1769 pheader->ofs_bones = BigLong(pheader->ofs_bones);
1770 pheader->ofs_meshs = BigLong(pheader->ofs_meshs);
1771 pheader->ofs_frames = BigLong(pheader->ofs_frames);
1773 if (pheader->num_bones < 1 || pheader->num_meshs < 1)
1775 Con_Printf("%s has no geometry\n", loadmodel->name);
1778 if (pheader->num_frames < 1)
1780 Con_Printf("%s has no frames\n", loadmodel->name);
1784 loadmodel->DrawSky = NULL;
1785 loadmodel->Draw = R_Q1BSP_Draw;
1786 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1787 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1788 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1789 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1792 for (i = 0;i < 3;i++)
1794 loadmodel->normalmins[i] = pheader->mins[i];
1795 loadmodel->normalmaxs[i] = pheader->maxs[i];
1796 loadmodel->yawmins[i] = i != 2 ? -pheader->yawradius : pheader->mins[i];
1797 loadmodel->yawmaxs[i] = i != 2 ? pheader->yawradius : pheader->maxs[i];
1798 loadmodel->rotatedmins[i] = -pheader->allradius;
1799 loadmodel->rotatedmaxs[i] = pheader->allradius;
1801 loadmodel->radius = pheader->allradius;
1802 loadmodel->radius2 = pheader->allradius * pheader->allradius;
1804 // load external .skin files if present
1805 skinfiles = Mod_LoadSkinFiles();
1806 if (loadmodel->numskins < 1)
1807 loadmodel->numskins = 1;
1812 // gather combined statistics from the meshes
1813 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1814 for (i = 0;i < (int)pheader->num_meshs;i++)
1816 int numverts = BigLong(dpmmesh->num_verts);
1817 meshvertices += numverts;;
1818 meshtriangles += BigLong(dpmmesh->num_tris);
1822 loadmodel->numframes = pheader->num_frames;
1823 loadmodel->num_bones = pheader->num_bones;
1824 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
1825 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = pheader->num_meshs;
1826 // do most allocations as one merged chunk
1827 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(int[4]) + sizeof(float[4])) + loadmodel->num_poses * sizeof(float[36]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
1828 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1829 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1830 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1831 loadmodel->surfmesh.num_vertices = meshvertices;
1832 loadmodel->surfmesh.num_triangles = meshtriangles;
1833 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1834 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1835 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1836 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1837 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1838 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1839 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1840 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1841 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1842 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1843 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1844 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1845 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
1846 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
1847 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1849 for (i = 0;i < loadmodel->numskins;i++)
1851 loadmodel->skinscenes[i].firstframe = i;
1852 loadmodel->skinscenes[i].framecount = 1;
1853 loadmodel->skinscenes[i].loop = true;
1854 loadmodel->skinscenes[i].framerate = 10;
1857 // load the bone info
1858 bone = (dpmbone_t *) (pbase + pheader->ofs_bones);
1859 for (i = 0;i < loadmodel->num_bones;i++)
1861 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1862 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1863 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1864 if (loadmodel->data_bones[i].parent >= i)
1865 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1869 frame = (dpmframe_t *) (pbase + pheader->ofs_frames);
1870 for (i = 0;i < loadmodel->numframes;i++)
1873 memcpy(loadmodel->animscenes[i].name, frame->name, sizeof(frame->name));
1874 loadmodel->animscenes[i].firstframe = i;
1875 loadmodel->animscenes[i].framecount = 1;
1876 loadmodel->animscenes[i].loop = true;
1877 loadmodel->animscenes[i].framerate = 10;
1878 // load the bone poses for this frame
1879 poses = (float *) (pbase + BigLong(frame->ofs_bonepositions));
1880 for (j = 0;j < loadmodel->num_bones*12;j++)
1881 loadmodel->data_poses[i * loadmodel->num_bones*12 + j] = BigFloat(poses[j]);
1882 // stuff not processed here: mins, maxs, yawradius, allradius
1886 // load the meshes now
1887 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1890 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1891 // (converting from weight-blending skeletal animation to
1892 // deformation-based skeletal animation)
1893 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1894 for (i = 0;i < loadmodel->num_bones;i++)
1896 const float *m = loadmodel->data_poses + i * 12;
1897 if (loadmodel->data_bones[i].parent >= 0)
1898 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1900 for (k = 0;k < 12;k++)
1901 bonepose[12*i+k] = m[k];
1903 for (i = 0;i < loadmodel->num_surfaces;i++, dpmmesh++)
1905 const int *inelements;
1907 const float *intexcoord;
1908 msurface_t *surface;
1910 loadmodel->surfacelist[i] = i;
1911 surface = loadmodel->data_surfaces + i;
1912 surface->texture = loadmodel->data_textures + i;
1913 surface->num_firsttriangle = meshtriangles;
1914 surface->num_triangles = BigLong(dpmmesh->num_tris);
1915 surface->num_firstvertex = meshvertices;
1916 surface->num_vertices = BigLong(dpmmesh->num_verts);
1917 meshvertices += surface->num_vertices;
1918 meshtriangles += surface->num_triangles;
1920 inelements = (int *) (pbase + BigLong(dpmmesh->ofs_indices));
1921 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1922 for (j = 0;j < surface->num_triangles;j++)
1924 // swap element order to flip triangles, because Quake uses clockwise (rare) and dpm uses counterclockwise (standard)
1925 outelements[0] = surface->num_firstvertex + BigLong(inelements[2]);
1926 outelements[1] = surface->num_firstvertex + BigLong(inelements[1]);
1927 outelements[2] = surface->num_firstvertex + BigLong(inelements[0]);
1932 intexcoord = (float *) (pbase + BigLong(dpmmesh->ofs_texcoords));
1933 for (j = 0;j < surface->num_vertices*2;j++)
1934 loadmodel->surfmesh.data_texcoordtexture2f[j + surface->num_firstvertex * 2] = BigFloat(intexcoord[j]);
1936 data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
1937 for (j = surface->num_firstvertex;j < surface->num_firstvertex + surface->num_vertices;j++)
1941 int numweights = BigLong(((dpmvertex_t *)data)->numbones);
1942 data += sizeof(dpmvertex_t);
1943 for (k = 0;k < numweights;k++)
1945 const dpmbonevert_t *vert = (dpmbonevert_t *) data;
1946 int boneindex = BigLong(vert->bonenum);
1947 const float *m = bonepose + 12 * boneindex;
1948 float influence = BigFloat(vert->influence);
1949 float relativeorigin[3], relativenormal[3];
1950 relativeorigin[0] = BigFloat(vert->origin[0]);
1951 relativeorigin[1] = BigFloat(vert->origin[1]);
1952 relativeorigin[2] = BigFloat(vert->origin[2]);
1953 relativenormal[0] = BigFloat(vert->normal[0]);
1954 relativenormal[1] = BigFloat(vert->normal[1]);
1955 relativenormal[2] = BigFloat(vert->normal[2]);
1956 // blend the vertex bone weights into the base mesh
1957 loadmodel->surfmesh.data_vertex3f[j*3+0] += relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + influence * m[ 3];
1958 loadmodel->surfmesh.data_vertex3f[j*3+1] += relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + influence * m[ 7];
1959 loadmodel->surfmesh.data_vertex3f[j*3+2] += relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + influence * m[11];
1960 loadmodel->surfmesh.data_normal3f[j*3+0] += relativenormal[0] * m[0] + relativenormal[1] * m[1] + relativenormal[2] * m[ 2];
1961 loadmodel->surfmesh.data_normal3f[j*3+1] += relativenormal[0] * m[4] + relativenormal[1] * m[5] + relativenormal[2] * m[ 6];
1962 loadmodel->surfmesh.data_normal3f[j*3+2] += relativenormal[0] * m[8] + relativenormal[1] * m[9] + relativenormal[2] * m[10];
1965 // store the first (and often only) weight
1966 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = influence;
1967 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1971 // sort the new weight into this vertex's weight table
1972 // (which only accepts up to 4 bones per vertex)
1973 for (l = 0;l < 4;l++)
1975 if (loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] < influence)
1977 // move weaker influence weights out of the way first
1979 for (l2 = 3;l2 > l;l2--)
1981 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2-1];
1982 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2-1];
1984 // store the new weight
1985 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] = influence;
1986 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l] = boneindex;
1991 data += sizeof(dpmbonevert_t);
1994 for (l = 0;l < 4;l++)
1995 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l];
1996 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
1998 float f = 1.0f / sum;
1999 for (l = 0;l < 4;l++)
2000 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] *= f;
2004 // since dpm models do not have named sections, reuse their shader name as the section name
2005 if (dpmmesh->shadername[0])
2006 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, dpmmesh->shadername, dpmmesh->shadername);
2008 for (j = 0;j < loadmodel->numskins;j++)
2009 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
2011 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
2014 Mod_FreeSkinFiles(skinfiles);
2016 // compute all the mesh information that was not loaded from the file
2017 Mod_BuildBaseBonePoses();
2018 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);
2019 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2021 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
2024 // no idea why PSK/PSA files contain weird quaternions but they do...
2025 #define PSKQUATNEGATIONS
2026 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend)
2028 int i, j, index, version, recordsize, numrecords, meshvertices, meshtriangles;
2029 int numpnts, numvtxw, numfaces, nummatts, numbones, numrawweights, numanimbones, numanims, numanimkeys;
2030 fs_offset_t filesize;
2035 pskboneinfo_t *bones;
2036 pskrawweights_t *rawweights;
2037 pskboneinfo_t *animbones;
2038 pskaniminfo_t *anims;
2039 pskanimkeys_t *animkeys;
2040 void *animfilebuffer, *animbuffer, *animbufferend;
2041 unsigned char *data;
2043 skinfile_t *skinfiles;
2044 char animname[MAX_QPATH];
2046 pchunk = (pskchunk_t *)buffer;
2047 if (strcmp(pchunk->id, "ACTRHEAD"))
2048 Host_Error ("Mod_PSKMODEL_Load: %s is not an Unreal Engine ActorX (.psk + .psa) model", loadmodel->name);
2050 loadmodel->type = mod_alias;
2051 loadmodel->DrawSky = NULL;
2052 loadmodel->Draw = R_Q1BSP_Draw;
2053 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
2054 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
2055 loadmodel->DrawLight = R_Q1BSP_DrawLight;
2056 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
2057 loadmodel->flags = 0; // there are no flags on zym models
2058 loadmodel->synctype = ST_RAND;
2060 FS_StripExtension(loadmodel->name, animname, sizeof(animname));
2061 strlcat(animname, ".psa", sizeof(animname));
2062 animbuffer = animfilebuffer = FS_LoadFile(animname, loadmodel->mempool, false, &filesize);
2063 animbufferend = (void *)((unsigned char*)animbuffer + (int)filesize);
2064 if (animbuffer == NULL)
2065 Host_Error("%s: can't find .psa file (%s)", loadmodel->name, animname);
2084 while (buffer < bufferend)
2086 pchunk = (pskchunk_t *)buffer;
2087 buffer = (void *)((unsigned char *)buffer + sizeof(pskchunk_t));
2088 version = LittleLong(pchunk->version);
2089 recordsize = LittleLong(pchunk->recordsize);
2090 numrecords = LittleLong(pchunk->numrecords);
2091 if (developer.integer >= 100)
2092 Con_Printf("%s: %s %x: %i * %i = %i\n", loadmodel->name, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2093 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2094 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);
2095 if (!strcmp(pchunk->id, "ACTRHEAD"))
2099 else if (!strcmp(pchunk->id, "PNTS0000"))
2102 if (recordsize != sizeof(*p))
2103 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2104 // byteswap in place and keep the pointer
2105 numpnts = numrecords;
2106 pnts = (pskpnts_t *)buffer;
2107 for (index = 0, p = (pskpnts_t *)buffer;index < numrecords;index++, p++)
2109 p->origin[0] = LittleFloat(p->origin[0]);
2110 p->origin[1] = LittleFloat(p->origin[1]);
2111 p->origin[2] = LittleFloat(p->origin[2]);
2115 else if (!strcmp(pchunk->id, "VTXW0000"))
2118 if (recordsize != sizeof(*p))
2119 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2120 // byteswap in place and keep the pointer
2121 numvtxw = numrecords;
2122 vtxw = (pskvtxw_t *)buffer;
2123 for (index = 0, p = (pskvtxw_t *)buffer;index < numrecords;index++, p++)
2125 p->pntsindex = LittleShort(p->pntsindex);
2126 p->texcoord[0] = LittleFloat(p->texcoord[0]);
2127 p->texcoord[1] = LittleFloat(p->texcoord[1]);
2128 if (p->pntsindex >= numpnts)
2130 Con_Printf("%s: vtxw->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2136 else if (!strcmp(pchunk->id, "FACE0000"))
2139 if (recordsize != sizeof(*p))
2140 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2141 // byteswap in place and keep the pointer
2142 numfaces = numrecords;
2143 faces = (pskface_t *)buffer;
2144 for (index = 0, p = (pskface_t *)buffer;index < numrecords;index++, p++)
2146 p->vtxwindex[0] = LittleShort(p->vtxwindex[0]);
2147 p->vtxwindex[1] = LittleShort(p->vtxwindex[1]);
2148 p->vtxwindex[2] = LittleShort(p->vtxwindex[2]);
2149 p->group = LittleLong(p->group);
2150 if (p->vtxwindex[0] >= numvtxw)
2152 Con_Printf("%s: face->vtxwindex[0] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[0], numvtxw);
2153 p->vtxwindex[0] = 0;
2155 if (p->vtxwindex[1] >= numvtxw)
2157 Con_Printf("%s: face->vtxwindex[1] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[1], numvtxw);
2158 p->vtxwindex[1] = 0;
2160 if (p->vtxwindex[2] >= numvtxw)
2162 Con_Printf("%s: face->vtxwindex[2] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[2], numvtxw);
2163 p->vtxwindex[2] = 0;
2168 else if (!strcmp(pchunk->id, "MATT0000"))
2171 if (recordsize != sizeof(*p))
2172 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2173 // byteswap in place and keep the pointer
2174 nummatts = numrecords;
2175 matts = (pskmatt_t *)buffer;
2176 for (index = 0, p = (pskmatt_t *)buffer;index < numrecords;index++, p++)
2182 else if (!strcmp(pchunk->id, "REFSKELT"))
2185 if (recordsize != sizeof(*p))
2186 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2187 // byteswap in place and keep the pointer
2188 numbones = numrecords;
2189 bones = (pskboneinfo_t *)buffer;
2190 for (index = 0, p = (pskboneinfo_t *)buffer;index < numrecords;index++, p++)
2192 p->numchildren = LittleLong(p->numchildren);
2193 p->parent = LittleLong(p->parent);
2194 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2195 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2196 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2197 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2198 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2199 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2200 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2201 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2202 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2203 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2204 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2205 #ifdef PSKQUATNEGATIONS
2208 p->basepose.quat[0] *= -1;
2209 p->basepose.quat[1] *= -1;
2210 p->basepose.quat[2] *= -1;
2214 p->basepose.quat[0] *= 1;
2215 p->basepose.quat[1] *= -1;
2216 p->basepose.quat[2] *= 1;
2219 if (p->parent < 0 || p->parent >= numbones)
2221 Con_Printf("%s: bone->parent %i >= numbones %i\n", loadmodel->name, p->parent, numbones);
2227 else if (!strcmp(pchunk->id, "RAWWEIGHTS"))
2230 if (recordsize != sizeof(*p))
2231 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2232 // byteswap in place and keep the pointer
2233 numrawweights = numrecords;
2234 rawweights = (pskrawweights_t *)buffer;
2235 for (index = 0, p = (pskrawweights_t *)buffer;index < numrecords;index++, p++)
2237 p->weight = LittleFloat(p->weight);
2238 p->pntsindex = LittleLong(p->pntsindex);
2239 p->boneindex = LittleLong(p->boneindex);
2240 if (p->pntsindex < 0 || p->pntsindex >= numpnts)
2242 Con_Printf("%s: weight->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2245 if (p->boneindex < 0 || p->boneindex >= numbones)
2247 Con_Printf("%s: weight->boneindex %i >= numbones %i\n", loadmodel->name, p->boneindex, numbones);
2255 while (animbuffer < animbufferend)
2257 pchunk = (pskchunk_t *)animbuffer;
2258 animbuffer = (void *)((unsigned char *)animbuffer + sizeof(pskchunk_t));
2259 version = LittleLong(pchunk->version);
2260 recordsize = LittleLong(pchunk->recordsize);
2261 numrecords = LittleLong(pchunk->numrecords);
2262 if (developer.integer >= 100)
2263 Con_Printf("%s: %s %x: %i * %i = %i\n", animname, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2264 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2265 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);
2266 if (!strcmp(pchunk->id, "ANIMHEAD"))
2270 else if (!strcmp(pchunk->id, "BONENAMES"))
2273 if (recordsize != sizeof(*p))
2274 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2275 // byteswap in place and keep the pointer
2276 numanimbones = numrecords;
2277 animbones = (pskboneinfo_t *)animbuffer;
2278 // NOTE: supposedly psa does not need to match the psk model, the
2279 // bones missing from the psa would simply use their base
2280 // positions from the psk, but this is hard for me to implement
2281 // and people can easily make animations that match.
2282 if (numanimbones != numbones)
2283 Host_Error("%s: this loader only supports animations with the same bones as the mesh", loadmodel->name);
2284 for (index = 0, p = (pskboneinfo_t *)animbuffer;index < numrecords;index++, p++)
2286 p->numchildren = LittleLong(p->numchildren);
2287 p->parent = LittleLong(p->parent);
2288 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2289 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2290 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2291 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2292 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2293 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2294 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2295 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2296 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2297 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2298 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2299 #ifdef PSKQUATNEGATIONS
2302 p->basepose.quat[0] *= -1;
2303 p->basepose.quat[1] *= -1;
2304 p->basepose.quat[2] *= -1;
2308 p->basepose.quat[0] *= 1;
2309 p->basepose.quat[1] *= -1;
2310 p->basepose.quat[2] *= 1;
2313 if (p->parent < 0 || p->parent >= numanimbones)
2315 Con_Printf("%s: bone->parent %i >= numanimbones %i\n", animname, p->parent, numanimbones);
2318 // check that bones are the same as in the base
2319 if (strcmp(p->name, bones[index].name) || p->parent != bones[index].parent)
2320 Host_Error("%s: this loader only supports animations with the same bones as the mesh", animname);
2324 else if (!strcmp(pchunk->id, "ANIMINFO"))
2327 if (recordsize != sizeof(*p))
2328 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2329 // byteswap in place and keep the pointer
2330 numanims = numrecords;
2331 anims = (pskaniminfo_t *)animbuffer;
2332 for (index = 0, p = (pskaniminfo_t *)animbuffer;index < numrecords;index++, p++)
2334 p->numbones = LittleLong(p->numbones);
2335 p->playtime = LittleFloat(p->playtime);
2336 p->fps = LittleFloat(p->fps);
2337 p->firstframe = LittleLong(p->firstframe);
2338 p->numframes = LittleLong(p->numframes);
2339 if (p->numbones != numbones)
2340 Con_Printf("%s: animinfo->numbones != numbones, trying to load anyway!\n", animname);
2344 else if (!strcmp(pchunk->id, "ANIMKEYS"))
2347 if (recordsize != sizeof(*p))
2348 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2349 numanimkeys = numrecords;
2350 animkeys = (pskanimkeys_t *)animbuffer;
2351 for (index = 0, p = (pskanimkeys_t *)animbuffer;index < numrecords;index++, p++)
2353 p->origin[0] = LittleFloat(p->origin[0]);
2354 p->origin[1] = LittleFloat(p->origin[1]);
2355 p->origin[2] = LittleFloat(p->origin[2]);
2356 p->quat[0] = LittleFloat(p->quat[0]);
2357 p->quat[1] = LittleFloat(p->quat[1]);
2358 p->quat[2] = LittleFloat(p->quat[2]);
2359 p->quat[3] = LittleFloat(p->quat[3]);
2360 p->frametime = LittleFloat(p->frametime);
2361 #ifdef PSKQUATNEGATIONS
2362 if (index % numbones)
2377 // TODO: allocate bonepose stuff
2380 Con_Printf("%s: unknown chunk ID \"%s\"\n", animname, pchunk->id);
2383 if (!numpnts || !pnts || !numvtxw || !vtxw || !numfaces || !faces || !nummatts || !matts || !numbones || !bones || !numrawweights || !rawweights || !numanims || !anims || !numanimkeys || !animkeys)
2384 Host_Error("%s: missing required chunks", loadmodel->name);
2386 loadmodel->numframes = 0;
2387 for (index = 0;index < numanims;index++)
2388 loadmodel->numframes += anims[index].numframes;
2390 if (numanimkeys != numbones * loadmodel->numframes)
2391 Host_Error("%s: %s has incorrect number of animation keys", animname, pchunk->id);
2393 meshvertices = numvtxw;
2394 meshtriangles = numfaces;
2396 // load external .skin files if present
2397 skinfiles = Mod_LoadSkinFiles();
2398 if (loadmodel->numskins < 1)
2399 loadmodel->numskins = 1;
2400 loadmodel->num_bones = numbones;
2401 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
2402 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = nummatts;
2403 // do most allocations as one merged chunk
2404 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(int[4]) + sizeof(float[4])) + loadmodel->num_poses * sizeof(float[36]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
2405 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
2406 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
2407 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
2408 loadmodel->surfmesh.num_vertices = meshvertices;
2409 loadmodel->surfmesh.num_triangles = meshtriangles;
2410 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2411 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2412 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
2413 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2414 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2415 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
2416 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
2417 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
2418 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
2419 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2420 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2421 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2422 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
2423 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
2424 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
2426 for (i = 0;i < loadmodel->numskins;i++)
2428 loadmodel->skinscenes[i].firstframe = i;
2429 loadmodel->skinscenes[i].framecount = 1;
2430 loadmodel->skinscenes[i].loop = true;
2431 loadmodel->skinscenes[i].framerate = 10;
2435 for (index = 0, i = 0;index < nummatts;index++)
2437 // since psk models do not have named sections, reuse their shader name as the section name
2438 if (matts[index].name[0])
2439 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + index, skinfiles, matts[index].name, matts[index].name);
2441 for (j = 0;j < loadmodel->numskins;j++)
2442 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + index + j * loadmodel->num_surfaces, NULL);
2443 loadmodel->surfacelist[index] = index;
2444 loadmodel->data_surfaces[index].texture = loadmodel->data_textures + index;
2445 loadmodel->data_surfaces[index].num_firstvertex = 0;
2446 loadmodel->data_surfaces[index].num_vertices = loadmodel->surfmesh.num_vertices;
2449 // copy over the vertex locations and texcoords
2450 for (index = 0;index < numvtxw;index++)
2452 loadmodel->surfmesh.data_vertex3f[index*3+0] = pnts[vtxw[index].pntsindex].origin[0];
2453 loadmodel->surfmesh.data_vertex3f[index*3+1] = pnts[vtxw[index].pntsindex].origin[1];
2454 loadmodel->surfmesh.data_vertex3f[index*3+2] = pnts[vtxw[index].pntsindex].origin[2];
2455 loadmodel->surfmesh.data_texcoordtexture2f[index*2+0] = vtxw[index].texcoord[0];
2456 loadmodel->surfmesh.data_texcoordtexture2f[index*2+1] = vtxw[index].texcoord[1];
2459 // loading the faces is complicated because we need to sort them into surfaces by mattindex
2460 for (index = 0;index < numfaces;index++)
2461 loadmodel->data_surfaces[faces[index].mattindex].num_triangles++;
2462 for (index = 0, i = 0;index < nummatts;index++)
2464 loadmodel->data_surfaces[index].num_firsttriangle = i;
2465 i += loadmodel->data_surfaces[index].num_triangles;
2466 loadmodel->data_surfaces[index].num_triangles = 0;
2468 for (index = 0;index < numfaces;index++)
2470 i = (loadmodel->data_surfaces[faces[index].mattindex].num_firsttriangle + loadmodel->data_surfaces[faces[index].mattindex].num_triangles++)*3;
2471 loadmodel->surfmesh.data_element3i[i+0] = faces[index].vtxwindex[0];
2472 loadmodel->surfmesh.data_element3i[i+1] = faces[index].vtxwindex[1];
2473 loadmodel->surfmesh.data_element3i[i+2] = faces[index].vtxwindex[2];
2476 // copy over the bones
2477 for (index = 0;index < numbones;index++)
2479 strlcpy(loadmodel->data_bones[index].name, bones[index].name, sizeof(loadmodel->data_bones[index].name));
2480 loadmodel->data_bones[index].parent = (index || bones[index].parent > 0) ? bones[index].parent : -1;
2481 if (loadmodel->data_bones[index].parent >= index)
2482 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, index, index);
2485 // sort the psk point weights into the vertex weight tables
2486 // (which only accept up to 4 bones per vertex)
2487 for (index = 0;index < numvtxw;index++)
2491 for (j = 0;j < numrawweights;j++)
2493 if (rawweights[j].pntsindex == vtxw[index].pntsindex)
2495 int boneindex = rawweights[j].boneindex;
2496 float influence = rawweights[j].weight;
2497 for (l = 0;l < 4;l++)
2499 if (loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] < influence)
2501 // move lower influence weights out of the way first
2503 for (l2 = 3;l2 > l;l2--)
2505 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2-1];
2506 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2-1];
2508 // store the new weight
2509 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] = influence;
2510 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l] = boneindex;
2517 for (l = 0;l < 4;l++)
2518 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l];
2519 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2521 float f = 1.0f / sum;
2522 for (l = 0;l < 4;l++)
2523 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] *= f;
2527 // set up the animscenes based on the anims
2528 for (index = 0, i = 0;index < numanims;index++)
2530 for (j = 0;j < anims[index].numframes;j++, i++)
2532 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "%s_%d", anims[index].name, j);
2533 loadmodel->animscenes[i].firstframe = i;
2534 loadmodel->animscenes[i].framecount = 1;
2535 loadmodel->animscenes[i].loop = true;
2536 loadmodel->animscenes[i].framerate = 10;
2540 // load the poses from the animkeys
2541 for (index = 0;index < numanimkeys;index++)
2543 pskanimkeys_t *k = animkeys + index;
2545 Matrix4x4_FromOriginQuat(&matrix, k->origin[0], k->origin[1], k->origin[2], k->quat[0], k->quat[1], k->quat[2], k->quat[3]);
2546 Matrix4x4_ToArray12FloatD3D(&matrix, loadmodel->data_poses + index*12);
2548 Mod_FreeSkinFiles(skinfiles);
2549 Mem_Free(animfilebuffer);
2551 // compute all the mesh information that was not loaded from the file
2552 // TODO: honor smoothing groups somehow?
2553 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
2554 Mod_BuildBaseBonePoses();
2555 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
2556 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);
2557 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2558 Mod_Alias_CalculateBoundingBox();
2560 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;