2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 cvar_t r_skeletal_debugbone = {0, "r_skeletal_debugbone", "-1", "development cvar for testing skeletal model code"};
26 cvar_t r_skeletal_debugbonecomponent = {0, "r_skeletal_debugbonecomponent", "3", "development cvar for testing skeletal model code"};
27 cvar_t r_skeletal_debugbonevalue = {0, "r_skeletal_debugbonevalue", "100", "development cvar for testing skeletal model code"};
28 cvar_t r_skeletal_debugtranslatex = {0, "r_skeletal_debugtranslatex", "1", "development cvar for testing skeletal model code"};
29 cvar_t r_skeletal_debugtranslatey = {0, "r_skeletal_debugtranslatey", "1", "development cvar for testing skeletal model code"};
30 cvar_t r_skeletal_debugtranslatez = {0, "r_skeletal_debugtranslatez", "1", "development cvar for testing skeletal model code"};
32 float mod_md3_sin[320];
34 void Mod_AliasInit (void)
37 Cvar_RegisterVariable(&r_skeletal_debugbone);
38 Cvar_RegisterVariable(&r_skeletal_debugbonecomponent);
39 Cvar_RegisterVariable(&r_skeletal_debugbonevalue);
40 Cvar_RegisterVariable(&r_skeletal_debugtranslatex);
41 Cvar_RegisterVariable(&r_skeletal_debugtranslatey);
42 Cvar_RegisterVariable(&r_skeletal_debugtranslatez);
43 for (i = 0;i < 320;i++)
44 mod_md3_sin[i] = sin(i * M_PI * 2.0f / 256.0);
47 void Mod_Alias_GetMesh_Vertices(const model_t *model, const frameblend_t *frameblend, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f)
50 if (model->surfmesh.data_vertexweightindex4i)
52 // vertex weighted skeletal
54 float boneposerelative[MAX_BONES][12];
55 // interpolate matrices and concatenate them to their parents
56 for (i = 0;i < model->num_bones;i++)
59 float *matrix, m[12], bonepose[MAX_BONES][12];
60 for (k = 0;k < 12;k++)
62 for (blends = 0;blends < 4 && frameblend[blends].lerp > 0;blends++)
64 matrix = model->data_poses + (frameblend[blends].frame * model->num_bones + i) * 12;
65 for (k = 0;k < 12;k++)
66 m[k] += matrix[k] * frameblend[blends].lerp;
68 if (i == r_skeletal_debugbone.integer)
69 m[r_skeletal_debugbonecomponent.integer % 12] += r_skeletal_debugbonevalue.value;
70 m[3] *= r_skeletal_debugtranslatex.value;
71 m[7] *= r_skeletal_debugtranslatey.value;
72 m[11] *= r_skeletal_debugtranslatez.value;
73 if (model->data_bones[i].parent >= 0)
74 R_ConcatTransforms(bonepose[model->data_bones[i].parent], m, bonepose[i]);
76 for (k = 0;k < 12;k++)
77 bonepose[i][k] = m[k];
78 // create a relative deformation matrix to describe displacement
79 // from the base mesh, which is used by the actual weighting
80 R_ConcatTransforms(bonepose[i], model->data_baseboneposeinverse + i * 12, boneposerelative[i]);
82 // blend the vertex bone weights
83 // special case for the extremely common wf[0] == 1 because it saves 3 multiplies per array when compared to the other case (w[0] is always 1 if only one bone controls this vertex, artists only use multiple bones for certain special cases)
84 // special case for the first bone because it avoids the need to memset the arrays before filling
86 const float *v = model->surfmesh.data_vertex3f;
87 const int *wi = model->surfmesh.data_vertexweightindex4i;
88 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
89 memset(vertex3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
90 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, wi += 4, wf += 4, vertex3f += 3)
94 const float *m = boneposerelative[wi[0]];
95 vertex3f[0] = (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
96 vertex3f[1] = (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
97 vertex3f[2] = (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
101 const float *m = boneposerelative[wi[0]];
103 vertex3f[0] = f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
104 vertex3f[1] = f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
105 vertex3f[2] = f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
106 for (k = 1;k < 4 && wf[k];k++)
108 const float *m = boneposerelative[wi[k]];
110 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
111 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
112 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
119 const float *n = model->surfmesh.data_normal3f;
120 const int *wi = model->surfmesh.data_vertexweightindex4i;
121 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
122 memset(normal3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
123 for (i = 0;i < model->surfmesh.num_vertices;i++, n += 3, wi += 4, wf += 4, normal3f += 3)
127 const float *m = boneposerelative[wi[0]];
128 normal3f[0] = (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
129 normal3f[1] = (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
130 normal3f[2] = (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
134 const float *m = boneposerelative[wi[0]];
136 normal3f[0] = f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
137 normal3f[1] = f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
138 normal3f[2] = f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
139 for (k = 1;k < 4 && wf[k];k++)
141 const float *m = boneposerelative[wi[k]];
143 normal3f[0] += f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
144 normal3f[1] += f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
145 normal3f[2] += f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
152 const float *sv = model->surfmesh.data_svector3f;
153 const int *wi = model->surfmesh.data_vertexweightindex4i;
154 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
155 memset(svector3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
156 for (i = 0;i < model->surfmesh.num_vertices;i++, sv += 3, wi += 4, wf += 4, svector3f += 3)
160 const float *m = boneposerelative[wi[0]];
161 svector3f[0] = (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
162 svector3f[1] = (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
163 svector3f[2] = (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
167 const float *m = boneposerelative[wi[0]];
169 svector3f[0] = f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
170 svector3f[1] = f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
171 svector3f[2] = f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
172 for (k = 1;k < 4 && wf[k];k++)
174 const float *m = boneposerelative[wi[k]];
176 svector3f[0] += f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
177 svector3f[1] += f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
178 svector3f[2] += f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
185 const float *tv = model->surfmesh.data_tvector3f;
186 const int *wi = model->surfmesh.data_vertexweightindex4i;
187 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
188 memset(tvector3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
189 for (i = 0;i < model->surfmesh.num_vertices;i++, tv += 3, wi += 4, wf += 4, tvector3f += 3)
193 const float *m = boneposerelative[wi[0]];
194 tvector3f[0] = (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
195 tvector3f[1] = (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
196 tvector3f[2] = (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
200 const float *m = boneposerelative[wi[0]];
202 tvector3f[0] = f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
203 tvector3f[1] = f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
204 tvector3f[2] = f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
205 for (k = 1;k < 4 && wf[k];k++)
207 const float *m = boneposerelative[wi[k]];
209 tvector3f[0] += f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
210 tvector3f[1] += f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
211 tvector3f[2] += f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
217 else if (model->surfmesh.data_morphmd3vertex)
220 int i, numblends, blendnum;
221 int numverts = model->surfmesh.num_vertices;
223 for (blendnum = 0;blendnum < 4;blendnum++)
225 //VectorMA(translate, model->surfmesh.num_morphmdlframetranslate, frameblend[blendnum].lerp, translate);
226 if (frameblend[blendnum].lerp > 0)
227 numblends = blendnum + 1;
229 // special case for the first blend because it avoids some adds and the need to memset the arrays first
230 for (blendnum = 0;blendnum < numblends;blendnum++)
232 const md3vertex_t *verts = model->surfmesh.data_morphmd3vertex + numverts * frameblend[blendnum].frame;
233 float scale = frameblend[blendnum].lerp * (1.0f / 64.0f);
236 for (i = 0;i < numverts;i++)
238 vertex3f[i * 3 + 0] = verts[i].origin[0] * scale;
239 vertex3f[i * 3 + 1] = verts[i].origin[1] * scale;
240 vertex3f[i * 3 + 2] = verts[i].origin[2] * scale;
245 for (i = 0;i < numverts;i++)
247 vertex3f[i * 3 + 0] += verts[i].origin[0] * scale;
248 vertex3f[i * 3 + 1] += verts[i].origin[1] * scale;
249 vertex3f[i * 3 + 2] += verts[i].origin[2] * scale;
252 // the yaw and pitch stored in md3 models are 8bit quantized angles
253 // (0-255), and as such a lookup table is very well suited to
254 // decoding them, and since cosine is equivilant to sine with an
255 // extra 45 degree rotation, this uses one lookup table for both
256 // sine and cosine with a +64 bias to get cosine.
259 float lerp = frameblend[blendnum].lerp;
262 for (i = 0;i < numverts;i++)
264 normal3f[i * 3 + 0] = mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
265 normal3f[i * 3 + 1] = mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
266 normal3f[i * 3 + 2] = mod_md3_sin[verts[i].pitch + 64] * lerp;
271 for (i = 0;i < numverts;i++)
273 normal3f[i * 3 + 0] += mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
274 normal3f[i * 3 + 1] += mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
275 normal3f[i * 3 + 2] += mod_md3_sin[verts[i].pitch + 64] * lerp;
280 // md3 model vertices do not include tangents, so we have to generate them (extremely slow)
283 Mod_BuildTextureVectorsFromNormals(0, model->surfmesh.num_vertices, model->surfmesh.num_triangles, vertex3f, model->surfmesh.data_texcoordtexture2f, normal3f, model->surfmesh.data_element3i, svector3f, tvector3f, r_smoothnormals_areaweighting.integer);
285 else if (model->surfmesh.data_morphmdlvertex)
288 int i, numblends, blendnum;
289 int numverts = model->surfmesh.num_vertices;
291 VectorClear(translate);
293 // blend the frame translates to avoid redundantly doing so on each vertex
294 // (a bit of a brain twister but it works)
295 for (blendnum = 0;blendnum < 4;blendnum++)
297 if (model->surfmesh.data_morphmd2framesize6f)
298 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6 + 3, translate);
300 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.num_morphmdlframetranslate, translate);
301 if (frameblend[blendnum].lerp > 0)
302 numblends = blendnum + 1;
304 // special case for the first blend because it avoids some adds and the need to memset the arrays first
305 for (blendnum = 0;blendnum < numblends;blendnum++)
307 const trivertx_t *verts = model->surfmesh.data_morphmdlvertex + numverts * frameblend[blendnum].frame;
309 if (model->surfmesh.data_morphmd2framesize6f)
310 VectorScale(model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6, frameblend[blendnum].lerp, scale);
312 VectorScale(model->surfmesh.num_morphmdlframescale, frameblend[blendnum].lerp, scale);
315 for (i = 0;i < numverts;i++)
317 vertex3f[i * 3 + 0] = translate[0] + verts[i].v[0] * scale[0];
318 vertex3f[i * 3 + 1] = translate[1] + verts[i].v[1] * scale[1];
319 vertex3f[i * 3 + 2] = translate[2] + verts[i].v[2] * scale[2];
324 for (i = 0;i < numverts;i++)
326 vertex3f[i * 3 + 0] += verts[i].v[0] * scale[0];
327 vertex3f[i * 3 + 1] += verts[i].v[1] * scale[1];
328 vertex3f[i * 3 + 2] += verts[i].v[2] * scale[2];
331 // the vertex normals in mdl models are an index into a table of
332 // 162 unique values, this very crude quantization reduces the
333 // vertex normal to only one byte, which saves a lot of space but
334 // also makes lighting pretty coarse
337 float lerp = frameblend[blendnum].lerp;
340 for (i = 0;i < numverts;i++)
342 const float *vn = m_bytenormals[verts[i].lightnormalindex];
343 VectorScale(vn, lerp, normal3f + i*3);
348 for (i = 0;i < numverts;i++)
350 const float *vn = m_bytenormals[verts[i].lightnormalindex];
351 VectorMA(normal3f + i*3, lerp, vn, normal3f + i*3);
358 Mod_BuildTextureVectorsFromNormals(0, model->surfmesh.num_vertices, model->surfmesh.num_triangles, vertex3f, model->surfmesh.data_texcoordtexture2f, normal3f, model->surfmesh.data_element3i, svector3f, tvector3f, r_smoothnormals_areaweighting.integer);
361 Host_Error("model %s has no skeletal or vertex morph animation data", model->name);
364 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
366 const float *boneframe;
367 float tempbonematrix[12], bonematrix[12];
368 *outmatrix = identitymatrix;
369 if (model->num_bones)
371 if (tagindex < 0 || tagindex >= model->num_bones)
373 if (poseframe >= model->num_poses)
375 boneframe = model->data_poses + poseframe * model->num_bones * 12;
376 memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
377 while (model->data_bones[tagindex].parent >= 0)
379 memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
380 R_ConcatTransforms(boneframe + model->data_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
381 tagindex = model->data_bones[tagindex].parent;
383 Matrix4x4_FromArray12FloatD3D(outmatrix, bonematrix);
385 else if (model->num_tags)
387 if (tagindex < 0 || tagindex >= model->num_tags)
389 if (poseframe >= model->num_tagframes)
391 Matrix4x4_FromArray12FloatGL(outmatrix, model->data_tags[poseframe * model->num_tags + tagindex].matrixgl);
396 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
399 if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
400 for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
401 if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
403 if (model->num_bones)
404 for (i = 0;i < model->num_bones;i++)
405 if (!strcasecmp(tagname, model->data_bones[i].name))
408 for (i = 0;i < model->num_tags;i++)
409 if (!strcasecmp(tagname, model->data_tags[i].name))
414 static void Mod_BuildBaseBonePoses(void)
418 float *in12f = loadmodel->data_poses;
419 float *out12f = loadmodel->data_basebonepose;
420 float *outinv12f = loadmodel->data_baseboneposeinverse;
421 for (i = 0;i < loadmodel->num_bones;i++, in12f += 12, out12f += 12, outinv12f += 12)
423 if (loadmodel->data_bones[i].parent >= 0)
424 R_ConcatTransforms(loadmodel->data_basebonepose + 12 * loadmodel->data_bones[i].parent, in12f, out12f);
426 for (k = 0;k < 12;k++)
427 out12f[k] = in12f[k];
431 // we only support uniform scaling, so assume the first row is enough
432 // (note the lack of sqrt here, because we're trying to undo the scaling,
433 // this means multiplying by the inverse scale twice - squaring it, which
434 // makes the sqrt a waste of time)
435 scale = 1.0 / (out12f[ 0] * out12f[ 0] + out12f[ 1] * out12f[ 1] + out12f[ 2] * out12f[ 2]);
437 // invert the rotation by transposing and multiplying by the squared
438 // recipricol of the input matrix scale as described above
439 outinv12f[ 0] = (float)(out12f[ 0] * scale);
440 outinv12f[ 1] = (float)(out12f[ 4] * scale);
441 outinv12f[ 2] = (float)(out12f[ 8] * scale);
442 outinv12f[ 4] = (float)(out12f[ 1] * scale);
443 outinv12f[ 5] = (float)(out12f[ 5] * scale);
444 outinv12f[ 6] = (float)(out12f[ 9] * scale);
445 outinv12f[ 8] = (float)(out12f[ 2] * scale);
446 outinv12f[ 9] = (float)(out12f[ 6] * scale);
447 outinv12f[10] = (float)(out12f[10] * scale);
449 // invert the translate
450 outinv12f[ 3] = -(out12f[ 3] * outinv12f[ 0] + out12f[ 7] * outinv12f[ 1] + out12f[11] * outinv12f[ 2]);
451 outinv12f[ 7] = -(out12f[ 3] * outinv12f[ 4] + out12f[ 7] * outinv12f[ 5] + out12f[11] * outinv12f[ 6]);
452 outinv12f[11] = -(out12f[ 3] * outinv12f[ 8] + out12f[ 7] * outinv12f[ 9] + out12f[11] * outinv12f[10]);
456 static void Mod_Alias_CalculateBoundingBox(void)
460 qboolean firstvertex = true;
461 float dist, yawradius, radius;
464 frameblend_t frameblend[4];
465 memset(frameblend, 0, sizeof(frameblend));
466 frameblend[0].lerp = 1;
467 vertex3f = Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3]));
468 VectorClear(loadmodel->normalmins);
469 VectorClear(loadmodel->normalmaxs);
472 for (i = 0;i < loadmodel->numframes;i++)
474 for (j = 0, frameblend[0].frame = loadmodel->animscenes[i].firstframe;j < loadmodel->animscenes[i].framecount;j++, frameblend[0].frame++)
476 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, vertex3f, NULL, NULL, NULL);
477 for (vnum = 0, v = vertex3f;vnum < loadmodel->surfmesh.num_vertices;vnum++, v += 3)
482 VectorCopy(v, loadmodel->normalmins);
483 VectorCopy(v, loadmodel->normalmaxs);
487 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
488 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
489 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
490 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
491 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
492 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
494 dist = v[0] * v[0] + v[1] * v[1];
495 if (yawradius < dist)
504 radius = sqrt(radius);
505 yawradius = sqrt(yawradius);
506 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
507 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
508 loadmodel->yawmins[2] = loadmodel->normalmins[2];
509 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
510 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
511 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
512 loadmodel->radius = radius;
513 loadmodel->radius2 = radius * radius;
516 static void Mod_Alias_Mesh_CompileFrameZero(void)
518 frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
519 loadmodel->surfmesh.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3][4]));
520 loadmodel->surfmesh.data_svector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 3;
521 loadmodel->surfmesh.data_tvector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 6;
522 loadmodel->surfmesh.data_normal3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 9;
523 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f);
526 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)
529 float segmentmins[3], segmentmaxs[3];
530 frameblend_t frameblend[4];
532 static int maxvertices = 0;
533 static float *vertex3f = NULL;
534 memset(trace, 0, sizeof(*trace));
536 trace->realfraction = 1;
537 trace->hitsupercontentsmask = hitsupercontentsmask;
538 memset(frameblend, 0, sizeof(frameblend));
539 frameblend[0].frame = frame;
540 frameblend[0].lerp = 1;
541 if (maxvertices < model->surfmesh.num_vertices)
545 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
546 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
548 if (VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
551 segmentmins[0] = min(start[0], end[0]) - 1;
552 segmentmins[1] = min(start[1], end[1]) - 1;
553 segmentmins[2] = min(start[2], end[2]) - 1;
554 segmentmaxs[0] = max(start[0], end[0]) + 1;
555 segmentmaxs[1] = max(start[1], end[1]) + 1;
556 segmentmaxs[2] = max(start[2], end[2]) + 1;
557 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
559 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
560 Collision_TraceLineTriangleMeshFloat(trace, start, end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
565 // box trace, performed as brush trace
566 colbrushf_t *thisbrush_start, *thisbrush_end;
567 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
568 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
569 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
570 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
571 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
572 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
573 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
574 VectorAdd(start, boxmins, boxstartmins);
575 VectorAdd(start, boxmaxs, boxstartmaxs);
576 VectorAdd(end, boxmins, boxendmins);
577 VectorAdd(end, boxmaxs, boxendmaxs);
578 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
579 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
580 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
582 if (maxvertices < model->surfmesh.num_vertices)
586 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
587 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
589 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
590 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
595 static void Mod_ConvertAliasVerts (int inverts, trivertx_t *v, trivertx_t *out, int *vertremap)
598 for (i = 0;i < inverts;i++)
600 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
602 j = vertremap[i]; // not onseam
605 j = vertremap[i+inverts]; // onseam
611 static void Mod_MDL_LoadFrames (unsigned char* datapointer, int inverts, int *vertremap)
613 int i, f, pose, groupframes;
615 daliasframetype_t *pframetype;
616 daliasframe_t *pinframe;
617 daliasgroup_t *group;
618 daliasinterval_t *intervals;
621 scene = loadmodel->animscenes;
622 for (f = 0;f < loadmodel->numframes;f++)
624 pframetype = (daliasframetype_t *)datapointer;
625 datapointer += sizeof(daliasframetype_t);
626 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
628 // a single frame is still treated as a group
635 group = (daliasgroup_t *)datapointer;
636 datapointer += sizeof(daliasgroup_t);
637 groupframes = LittleLong (group->numframes);
639 // intervals (time per frame)
640 intervals = (daliasinterval_t *)datapointer;
641 datapointer += sizeof(daliasinterval_t) * groupframes;
643 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
644 if (interval < 0.01f)
646 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
651 // get scene name from first frame
652 pinframe = (daliasframe_t *)datapointer;
654 strlcpy(scene->name, pinframe->name, sizeof(scene->name));
655 scene->firstframe = pose;
656 scene->framecount = groupframes;
657 scene->framerate = 1.0f / interval;
662 for (i = 0;i < groupframes;i++)
664 pinframe = (daliasframe_t *)datapointer;
665 datapointer += sizeof(daliasframe_t);
666 Mod_ConvertAliasVerts(inverts, (trivertx_t *)datapointer, loadmodel->surfmesh.data_morphmdlvertex + pose * loadmodel->surfmesh.num_vertices, vertremap);
667 datapointer += sizeof(trivertx_t) * inverts;
673 static void Mod_BuildAliasSkinFromSkinFrame(texture_t *texture, skinframe_t *skinframe)
675 texture->currentframe = texture;
676 texture->numskinframes = 1;
677 texture->skinframerate = 1;
678 texture->currentskinframe = texture->skinframes + 0;
680 texture->skinframes[0] = *skinframe;
684 memset(texture->skinframes, 0, sizeof(texture->skinframes));
685 texture->skinframes[0].base = r_texture_notexture;
688 texture->basematerialflags = MATERIALFLAG_WALL;
689 if (texture->currentskinframe->fog)
690 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT | MATERIALFLAG_NOSHADOW;
691 texture->currentmaterialflags = texture->basematerialflags;
694 static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
697 skinfileitem_t *skinfileitem;
698 skinframe_t tempskinframe;
701 // the skin += loadmodel->num_surfaces part of this is because data_textures on alias models is arranged as [numskins][numsurfaces]
702 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin += loadmodel->num_surfaces)
704 memset(skin, 0, sizeof(*skin));
705 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
706 // don't render unmentioned meshes
707 skin->basematerialflags = skin->currentmaterialflags = 0;
709 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
711 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
712 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
714 if (!Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
715 if (cls.state != ca_dedicated)
716 Con_DPrintf("mesh \"%s\": failed to load skin #%i \"%s\"\n", meshname, i, skinfileitem->replacement);
717 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
725 if (!Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
726 if (cls.state != ca_dedicated)
727 Con_Printf("Can't find texture \"%s\" for mesh \"%s\", using grey checkerboard\n", shadername, meshname);
728 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
732 #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);
733 #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);
734 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend)
736 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
737 float scales, scalet, interval;
741 stvert_t *pinstverts;
742 dtriangle_t *pintriangles;
743 daliasskintype_t *pinskintype;
744 daliasskingroup_t *pinskingroup;
745 daliasskininterval_t *pinskinintervals;
746 daliasframetype_t *pinframetype;
747 daliasgroup_t *pinframegroup;
748 unsigned char *datapointer, *startframes, *startskins;
749 char name[MAX_QPATH];
750 skinframe_t tempskinframe;
751 animscene_t *tempskinscenes;
752 texture_t *tempaliasskins;
754 int *vertonseam, *vertremap;
755 skinfile_t *skinfiles;
757 datapointer = (unsigned char *)buffer;
758 pinmodel = (mdl_t *)datapointer;
759 datapointer += sizeof(mdl_t);
761 version = LittleLong (pinmodel->version);
762 if (version != ALIAS_VERSION)
763 Host_Error ("%s has wrong version number (%i should be %i)",
764 loadmodel->name, version, ALIAS_VERSION);
766 loadmodel->type = mod_alias;
767 loadmodel->DrawSky = NULL;
768 loadmodel->Draw = R_Q1BSP_Draw;
769 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
770 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
771 loadmodel->DrawLight = R_Q1BSP_DrawLight;
772 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
774 loadmodel->num_surfaces = 1;
775 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
776 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int));
777 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
778 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
779 loadmodel->surfacelist[0] = 0;
781 loadmodel->numskins = LittleLong(pinmodel->numskins);
782 BOUNDI(loadmodel->numskins,0,65536);
783 skinwidth = LittleLong (pinmodel->skinwidth);
784 BOUNDI(skinwidth,0,65536);
785 skinheight = LittleLong (pinmodel->skinheight);
786 BOUNDI(skinheight,0,65536);
787 numverts = LittleLong(pinmodel->numverts);
788 BOUNDI(numverts,0,65536);
789 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->numtris);
790 BOUNDI(loadmodel->surfmesh.num_triangles,0,65536);
791 loadmodel->numframes = LittleLong(pinmodel->numframes);
792 BOUNDI(loadmodel->numframes,0,65536);
793 loadmodel->synctype = (synctype_t)LittleLong (pinmodel->synctype);
794 BOUNDI(loadmodel->synctype,0,2);
795 loadmodel->flags = LittleLong (pinmodel->flags);
797 for (i = 0;i < 3;i++)
799 loadmodel->surfmesh.num_morphmdlframescale[i] = LittleFloat (pinmodel->scale[i]);
800 loadmodel->surfmesh.num_morphmdlframetranslate[i] = LittleFloat (pinmodel->scale_origin[i]);
803 startskins = datapointer;
805 for (i = 0;i < loadmodel->numskins;i++)
807 pinskintype = (daliasskintype_t *)datapointer;
808 datapointer += sizeof(daliasskintype_t);
809 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
813 pinskingroup = (daliasskingroup_t *)datapointer;
814 datapointer += sizeof(daliasskingroup_t);
815 groupskins = LittleLong(pinskingroup->numskins);
816 datapointer += sizeof(daliasskininterval_t) * groupskins;
819 for (j = 0;j < groupskins;j++)
821 datapointer += skinwidth * skinheight;
826 pinstverts = (stvert_t *)datapointer;
827 datapointer += sizeof(stvert_t) * numverts;
829 pintriangles = (dtriangle_t *)datapointer;
830 datapointer += sizeof(dtriangle_t) * loadmodel->surfmesh.num_triangles;
832 startframes = datapointer;
833 loadmodel->surfmesh.num_morphframes = 0;
834 for (i = 0;i < loadmodel->numframes;i++)
836 pinframetype = (daliasframetype_t *)datapointer;
837 datapointer += sizeof(daliasframetype_t);
838 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
842 pinframegroup = (daliasgroup_t *)datapointer;
843 datapointer += sizeof(daliasgroup_t);
844 groupframes = LittleLong(pinframegroup->numframes);
845 datapointer += sizeof(daliasinterval_t) * groupframes;
848 for (j = 0;j < groupframes;j++)
850 datapointer += sizeof(daliasframe_t);
851 datapointer += sizeof(trivertx_t) * numverts;
852 loadmodel->surfmesh.num_morphframes++;
856 // store texture coordinates into temporary array, they will be stored
857 // after usage is determined (triangle data)
858 vertst = (float *)Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
859 vertremap = (int *)Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
860 vertonseam = vertremap + numverts * 2;
862 scales = 1.0 / skinwidth;
863 scalet = 1.0 / skinheight;
864 for (i = 0;i < numverts;i++)
866 vertonseam[i] = LittleLong(pinstverts[i].onseam);
867 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
868 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
869 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
870 vertst[(i+numverts)*2+1] = vertst[i*2+1];
873 // load triangle data
874 loadmodel->surfmesh.data_element3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->surfmesh.num_triangles);
876 // read the triangle elements
877 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
878 for (j = 0;j < 3;j++)
879 loadmodel->surfmesh.data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
880 // validate (note numverts is used because this is the original data)
881 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, numverts, __FILE__, __LINE__);
882 // now butcher the elements according to vertonseam and tri->facesfront
883 // and then compact the vertex set to remove duplicates
884 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
885 if (!LittleLong(pintriangles[i].facesfront)) // backface
886 for (j = 0;j < 3;j++)
887 if (vertonseam[loadmodel->surfmesh.data_element3i[i*3+j]])
888 loadmodel->surfmesh.data_element3i[i*3+j] += numverts;
890 // (this uses vertremap to count usage to save some memory)
891 for (i = 0;i < numverts*2;i++)
893 for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
894 vertremap[loadmodel->surfmesh.data_element3i[i]]++;
895 // build remapping table and compact array
896 loadmodel->surfmesh.num_vertices = 0;
897 for (i = 0;i < numverts*2;i++)
901 vertremap[i] = loadmodel->surfmesh.num_vertices;
902 vertst[loadmodel->surfmesh.num_vertices*2+0] = vertst[i*2+0];
903 vertst[loadmodel->surfmesh.num_vertices*2+1] = vertst[i*2+1];
904 loadmodel->surfmesh.num_vertices++;
907 vertremap[i] = -1; // not used at all
909 // remap the elements to the new vertex set
910 for (i = 0;i < loadmodel->surfmesh.num_triangles * 3;i++)
911 loadmodel->surfmesh.data_element3i[i] = vertremap[loadmodel->surfmesh.data_element3i[i]];
912 // store the texture coordinates
913 loadmodel->surfmesh.data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->surfmesh.num_vertices);
914 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
916 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = vertst[i*2+0];
917 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = vertst[i*2+1];
921 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
922 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)Mem_Alloc(loadmodel->mempool, sizeof(trivertx_t) * loadmodel->surfmesh.num_morphframes * loadmodel->surfmesh.num_vertices);
923 loadmodel->surfmesh.data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
924 Mod_MDL_LoadFrames (startframes, numverts, vertremap);
925 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
926 Mod_Alias_CalculateBoundingBox();
927 Mod_Alias_Mesh_CompileFrameZero();
933 skinfiles = Mod_LoadSkinFiles();
934 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
935 loadmodel->num_textures = loadmodel->num_surfaces;
936 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
939 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
940 Mod_FreeSkinFiles(skinfiles);
941 for (i = 0;i < loadmodel->numskins;i++)
943 loadmodel->skinscenes[i].firstframe = i;
944 loadmodel->skinscenes[i].framecount = 1;
945 loadmodel->skinscenes[i].loop = true;
946 loadmodel->skinscenes[i].framerate = 10;
952 datapointer = startskins;
953 for (i = 0;i < loadmodel->numskins;i++)
955 pinskintype = (daliasskintype_t *)datapointer;
956 datapointer += sizeof(daliasskintype_t);
958 if (pinskintype->type == ALIAS_SKIN_SINGLE)
965 pinskingroup = (daliasskingroup_t *)datapointer;
966 datapointer += sizeof(daliasskingroup_t);
968 groupskins = LittleLong (pinskingroup->numskins);
970 pinskinintervals = (daliasskininterval_t *)datapointer;
971 datapointer += sizeof(daliasskininterval_t) * groupskins;
973 interval = LittleFloat(pinskinintervals[0].interval);
974 if (interval < 0.01f)
976 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
981 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
982 loadmodel->skinscenes[i].firstframe = totalskins;
983 loadmodel->skinscenes[i].framecount = groupskins;
984 loadmodel->skinscenes[i].framerate = 1.0f / interval;
985 loadmodel->skinscenes[i].loop = true;
987 for (j = 0;j < groupskins;j++)
990 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
992 sprintf (name, "%s_%i", loadmodel->name, i);
993 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
994 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);
995 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
996 datapointer += skinwidth * skinheight;
1000 // check for skins that don't exist in the model, but do exist as external images
1001 // (this was added because yummyluv kept pestering me about support for it)
1002 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
1004 // expand the arrays to make room
1005 tempskinscenes = loadmodel->skinscenes;
1006 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
1007 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
1008 Mem_Free(tempskinscenes);
1010 tempaliasskins = loadmodel->data_textures;
1011 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * (totalskins + 1) * sizeof(texture_t));
1012 memcpy(loadmodel->data_textures, tempaliasskins, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
1013 Mem_Free(tempaliasskins);
1015 // store the info about the new skin
1016 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
1017 strlcpy(loadmodel->skinscenes[loadmodel->numskins].name, name, sizeof(loadmodel->skinscenes[loadmodel->numskins].name));
1018 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
1019 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
1020 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
1021 loadmodel->skinscenes[loadmodel->numskins].loop = true;
1023 //increase skin counts
1024 loadmodel->numskins++;
1029 surface = loadmodel->data_surfaces;
1030 surface->texture = loadmodel->data_textures;
1031 surface->num_firsttriangle = 0;
1032 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1033 surface->num_firstvertex = 0;
1034 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1036 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1039 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
1041 int i, j, hashindex, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end;
1042 float iskinwidth, iskinheight;
1043 unsigned char *data;
1044 msurface_t *surface;
1046 unsigned char *base, *datapointer;
1047 md2frame_t *pinframe;
1049 md2triangle_t *intri;
1050 unsigned short *inst;
1051 struct md2verthash_s
1053 struct md2verthash_s *next;
1057 *hash, **md2verthash, *md2verthashdata;
1058 skinframe_t tempskinframe;
1059 skinfile_t *skinfiles;
1061 pinmodel = (md2_t *)buffer;
1062 base = (unsigned char *)buffer;
1064 version = LittleLong (pinmodel->version);
1065 if (version != MD2ALIAS_VERSION)
1066 Host_Error ("%s has wrong version number (%i should be %i)",
1067 loadmodel->name, version, MD2ALIAS_VERSION);
1069 loadmodel->type = mod_alias;
1070 loadmodel->DrawSky = NULL;
1071 loadmodel->Draw = R_Q1BSP_Draw;
1072 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1073 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1074 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1075 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1077 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
1078 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
1079 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
1080 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
1081 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
1082 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
1083 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
1084 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
1086 end = LittleLong(pinmodel->ofs_end);
1087 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
1088 Host_Error ("%s is not a valid model", loadmodel->name);
1089 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
1090 Host_Error ("%s is not a valid model", loadmodel->name);
1091 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
1092 Host_Error ("%s is not a valid model", loadmodel->name);
1093 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
1094 Host_Error ("%s is not a valid model", loadmodel->name);
1095 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
1096 Host_Error ("%s is not a valid model", loadmodel->name);
1098 loadmodel->numskins = LittleLong(pinmodel->num_skins);
1099 numxyz = LittleLong(pinmodel->num_xyz);
1100 numst = LittleLong(pinmodel->num_st);
1101 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->num_tris);
1102 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1103 loadmodel->surfmesh.num_morphframes = loadmodel->numframes;
1104 skinwidth = LittleLong(pinmodel->skinwidth);
1105 skinheight = LittleLong(pinmodel->skinheight);
1106 iskinwidth = 1.0f / skinwidth;
1107 iskinheight = 1.0f / skinheight;
1109 loadmodel->num_surfaces = 1;
1110 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1111 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]));
1112 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1113 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1114 loadmodel->surfacelist[0] = 0;
1115 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1116 loadmodel->surfmesh.data_morphmd2framesize6f = (float *)data;data += loadmodel->numframes * sizeof(float[6]);
1117 loadmodel->surfmesh.data_element3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1118 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1120 loadmodel->flags = 0; // there are no MD2 flags
1121 loadmodel->synctype = ST_RAND;
1124 inskin = (char *)(base + LittleLong(pinmodel->ofs_skins));
1125 skinfiles = Mod_LoadSkinFiles();
1128 loadmodel->num_textures = loadmodel->num_surfaces;
1129 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1130 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
1131 Mod_FreeSkinFiles(skinfiles);
1133 else if (loadmodel->numskins)
1135 // skins found (most likely not a player model)
1136 loadmodel->num_textures = loadmodel->num_surfaces;
1137 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1138 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
1140 if (!Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
1141 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
1142 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, &tempskinframe);
1147 // no skins (most likely a player model)
1148 loadmodel->numskins = 1;
1149 loadmodel->num_textures = loadmodel->num_surfaces;
1150 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1151 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures, NULL);
1154 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1155 for (i = 0;i < loadmodel->numskins;i++)
1157 loadmodel->skinscenes[i].firstframe = i;
1158 loadmodel->skinscenes[i].framecount = 1;
1159 loadmodel->skinscenes[i].loop = true;
1160 loadmodel->skinscenes[i].framerate = 10;
1163 // load the triangles and stvert data
1164 inst = (unsigned short *)(base + LittleLong(pinmodel->ofs_st));
1165 intri = (md2triangle_t *)(base + LittleLong(pinmodel->ofs_tris));
1166 md2verthash = (struct md2verthash_s **)Mem_Alloc(tempmempool, 65536 * sizeof(hash));
1167 md2verthashdata = (struct md2verthash_s *)Mem_Alloc(tempmempool, loadmodel->surfmesh.num_triangles * 3 * sizeof(*hash));
1168 // swap the triangle list
1169 loadmodel->surfmesh.num_vertices = 0;
1170 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
1172 for (j = 0;j < 3;j++)
1174 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
1175 st = (unsigned short) LittleShort (intri[i].index_st[j]);
1178 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
1183 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
1186 hashindex = (xyz * 256 + st) & 65535;
1187 for (hash = md2verthash[hashindex];hash;hash = hash->next)
1188 if (hash->xyz == xyz && hash->st == st)
1192 hash = md2verthashdata + loadmodel->surfmesh.num_vertices++;
1195 hash->next = md2verthash[hashindex];
1196 md2verthash[hashindex] = hash;
1198 loadmodel->surfmesh.data_element3i[i*3+j] = (hash - md2verthashdata);
1202 vertremap = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(int));
1203 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));
1204 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
1205 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)data;data += loadmodel->surfmesh.num_vertices * loadmodel->surfmesh.num_morphframes * sizeof(trivertx_t);
1206 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
1209 hash = md2verthashdata + i;
1210 vertremap[i] = hash->xyz;
1211 sts = LittleShort(inst[hash->st*2+0]);
1212 stt = LittleShort(inst[hash->st*2+1]);
1213 if (sts < 0 || sts >= skinwidth || stt < 0 || stt >= skinheight)
1215 Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, sts, stt, i);
1219 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = sts * iskinwidth;
1220 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = stt * iskinheight;
1223 Mem_Free(md2verthash);
1224 Mem_Free(md2verthashdata);
1227 datapointer = (base + LittleLong(pinmodel->ofs_frames));
1228 for (i = 0;i < loadmodel->surfmesh.num_morphframes;i++)
1233 pinframe = (md2frame_t *)datapointer;
1234 datapointer += sizeof(md2frame_t);
1235 // store the frame scale/translate into the appropriate array
1236 for (j = 0;j < 3;j++)
1238 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+j] = LittleFloat(pinframe->scale[j]);
1239 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+3+j] = LittleFloat(pinframe->translate[j]);
1241 // convert the vertices
1242 v = (trivertx_t *)datapointer;
1243 out = loadmodel->surfmesh.data_morphmdlvertex + i * loadmodel->surfmesh.num_vertices;
1244 for (k = 0;k < loadmodel->surfmesh.num_vertices;k++)
1245 out[k] = v[vertremap[k]];
1246 datapointer += numxyz * sizeof(trivertx_t);
1248 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1249 loadmodel->animscenes[i].firstframe = i;
1250 loadmodel->animscenes[i].framecount = 1;
1251 loadmodel->animscenes[i].framerate = 10;
1252 loadmodel->animscenes[i].loop = true;
1255 Mem_Free(vertremap);
1257 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1258 Mod_Alias_CalculateBoundingBox();
1259 Mod_Alias_Mesh_CompileFrameZero();
1261 surface = loadmodel->data_surfaces;
1262 surface->texture = loadmodel->data_textures;
1263 surface->num_firsttriangle = 0;
1264 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1265 surface->num_firstvertex = 0;
1266 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1268 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1271 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
1273 int i, j, k, version, meshvertices, meshtriangles;
1274 unsigned char *data;
1275 msurface_t *surface;
1276 md3modelheader_t *pinmodel;
1277 md3frameinfo_t *pinframe;
1280 skinfile_t *skinfiles;
1282 pinmodel = (md3modelheader_t *)buffer;
1284 if (memcmp(pinmodel->identifier, "IDP3", 4))
1285 Host_Error ("%s is not a MD3 (IDP3) file", loadmodel->name);
1286 version = LittleLong (pinmodel->version);
1287 if (version != MD3VERSION)
1288 Host_Error ("%s has wrong version number (%i should be %i)",
1289 loadmodel->name, version, MD3VERSION);
1291 skinfiles = Mod_LoadSkinFiles();
1292 if (loadmodel->numskins < 1)
1293 loadmodel->numskins = 1;
1295 loadmodel->type = mod_alias;
1296 loadmodel->DrawSky = NULL;
1297 loadmodel->Draw = R_Q1BSP_Draw;
1298 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1299 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1300 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1301 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1302 loadmodel->flags = LittleLong(pinmodel->flags);
1303 loadmodel->synctype = ST_RAND;
1305 // set up some global info about the model
1306 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1307 loadmodel->num_surfaces = LittleLong(pinmodel->num_meshes);
1309 // make skinscenes for the skins (no groups)
1310 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1311 for (i = 0;i < loadmodel->numskins;i++)
1313 loadmodel->skinscenes[i].firstframe = i;
1314 loadmodel->skinscenes[i].framecount = 1;
1315 loadmodel->skinscenes[i].loop = true;
1316 loadmodel->skinscenes[i].framerate = 10;
1320 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
1321 for (i = 0, pinframe = (md3frameinfo_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
1323 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1324 loadmodel->animscenes[i].firstframe = i;
1325 loadmodel->animscenes[i].framecount = 1;
1326 loadmodel->animscenes[i].framerate = 10;
1327 loadmodel->animscenes[i].loop = true;
1331 loadmodel->num_tagframes = loadmodel->numframes;
1332 loadmodel->num_tags = LittleLong(pinmodel->num_tags);
1333 loadmodel->data_tags = (aliastag_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_tagframes * loadmodel->num_tags * sizeof(aliastag_t));
1334 for (i = 0, pintag = (md3tag_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->num_tagframes * loadmodel->num_tags;i++, pintag++)
1336 strlcpy(loadmodel->data_tags[i].name, pintag->name, sizeof(loadmodel->data_tags[i].name));
1337 for (j = 0;j < 9;j++)
1338 loadmodel->data_tags[i].matrixgl[j] = LittleFloat(pintag->rotationmatrix[j]);
1339 for (j = 0;j < 3;j++)
1340 loadmodel->data_tags[i].matrixgl[9+j] = LittleFloat(pintag->origin[j]);
1341 //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);
1347 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)))
1349 if (memcmp(pinmesh->identifier, "IDP3", 4))
1350 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1351 if (LittleLong(pinmesh->num_frames) != loadmodel->numframes)
1352 Host_Error("Mod_IDP3_Load: mesh numframes differs from header");
1353 meshvertices += LittleLong(pinmesh->num_vertices);
1354 meshtriangles += LittleLong(pinmesh->num_triangles);
1357 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1358 loadmodel->num_textures = loadmodel->num_surfaces;
1359 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));
1360 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1361 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1362 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1363 loadmodel->surfmesh.num_vertices = meshvertices;
1364 loadmodel->surfmesh.num_triangles = meshtriangles;
1365 loadmodel->surfmesh.num_morphframes = loadmodel->numframes; // TODO: remove?
1366 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1367 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1368 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1369 loadmodel->surfmesh.data_morphmd3vertex = (md3vertex_t *)data;data += meshvertices * loadmodel->numframes * sizeof(md3vertex_t);
1373 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)))
1375 if (memcmp(pinmesh->identifier, "IDP3", 4))
1376 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1377 loadmodel->surfacelist[i] = i;
1378 surface = loadmodel->data_surfaces + i;
1379 surface->texture = loadmodel->data_textures + i;
1380 surface->num_firsttriangle = meshtriangles;
1381 surface->num_triangles = LittleLong(pinmesh->num_triangles);
1382 surface->num_firstvertex = meshvertices;
1383 surface->num_vertices = LittleLong(pinmesh->num_vertices);
1384 meshvertices += surface->num_vertices;
1385 meshtriangles += surface->num_triangles;
1387 for (j = 0;j < surface->num_triangles * 3;j++)
1388 loadmodel->surfmesh.data_element3i[j + surface->num_firsttriangle * 3] = surface->num_firstvertex + LittleLong(((int *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1389 for (j = 0;j < surface->num_vertices;j++)
1391 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 0] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1392 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 1] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1394 for (j = 0;j < loadmodel->numframes;j++)
1396 const md3vertex_t *in = (md3vertex_t *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)) + j * surface->num_vertices;
1397 md3vertex_t *out = loadmodel->surfmesh.data_morphmd3vertex + surface->num_firstvertex + j * loadmodel->surfmesh.num_vertices;
1398 for (k = 0;k < surface->num_vertices;k++, in++, out++)
1400 out->origin[0] = LittleShort(in->origin[0]);
1401 out->origin[1] = LittleShort(in->origin[1]);
1402 out->origin[2] = LittleShort(in->origin[2]);
1403 out->pitch = in->pitch;
1408 if (LittleLong(pinmesh->num_shaders) >= 1)
1409 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, pinmesh->name, ((md3shader_t *)((unsigned char *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1411 for (j = 0;j < loadmodel->numskins;j++)
1412 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1414 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
1416 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1417 Mod_Alias_Mesh_CompileFrameZero();
1418 Mod_Alias_CalculateBoundingBox();
1419 Mod_FreeSkinFiles(skinfiles);
1421 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1424 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1426 zymtype1header_t *pinmodel, *pheader;
1427 unsigned char *pbase;
1428 int i, j, k, numposes, meshvertices, meshtriangles, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements;
1429 float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f, *bonepose;
1430 zymvertex_t *verts, *vertdata;
1434 skinfile_t *skinfiles;
1435 unsigned char *data;
1436 msurface_t *surface;
1438 pinmodel = (zymtype1header_t *)buffer;
1439 pbase = (unsigned char *)buffer;
1440 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1441 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model", loadmodel->name);
1442 if (BigLong(pinmodel->type) != 1)
1443 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1445 loadmodel->type = mod_alias;
1446 loadmodel->flags = 0; // there are no flags on zym models
1447 loadmodel->synctype = ST_RAND;
1451 pheader->type = BigLong(pinmodel->type);
1452 pheader->filesize = BigLong(pinmodel->filesize);
1453 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1454 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1455 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1456 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1457 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1458 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1459 pheader->radius = BigFloat(pinmodel->radius);
1460 pheader->numverts = BigLong(pinmodel->numverts);
1461 pheader->numtris = BigLong(pinmodel->numtris);
1462 pheader->numshaders = BigLong(pinmodel->numshaders);
1463 pheader->numbones = BigLong(pinmodel->numbones);
1464 pheader->numscenes = BigLong(pinmodel->numscenes);
1465 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1466 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1467 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1468 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1469 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1470 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1471 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1472 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1473 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1474 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1475 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1476 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1477 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1478 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1479 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1480 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1481 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1482 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1484 if (pheader->numtris < 1 || pheader->numverts < 3 || pheader->numshaders < 1)
1486 Con_Printf("%s has no geometry\n", loadmodel->name);
1489 if (pheader->numscenes < 1 || pheader->lump_poses.length < (int)sizeof(float[3][4]))
1491 Con_Printf("%s has no animations\n", loadmodel->name);
1495 loadmodel->DrawSky = NULL;
1496 loadmodel->Draw = R_Q1BSP_Draw;
1497 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1498 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1499 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1500 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1502 loadmodel->numframes = pheader->numscenes;
1503 loadmodel->num_surfaces = pheader->numshaders;
1505 skinfiles = Mod_LoadSkinFiles();
1506 if (loadmodel->numskins < 1)
1507 loadmodel->numskins = 1;
1509 // make skinscenes for the skins (no groups)
1510 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1511 for (i = 0;i < loadmodel->numskins;i++)
1513 loadmodel->skinscenes[i].firstframe = i;
1514 loadmodel->skinscenes[i].framecount = 1;
1515 loadmodel->skinscenes[i].loop = true;
1516 loadmodel->skinscenes[i].framerate = 10;
1520 modelradius = pheader->radius;
1521 for (i = 0;i < 3;i++)
1523 loadmodel->normalmins[i] = pheader->mins[i];
1524 loadmodel->normalmaxs[i] = pheader->maxs[i];
1525 loadmodel->rotatedmins[i] = -modelradius;
1526 loadmodel->rotatedmaxs[i] = modelradius;
1528 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1529 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1530 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1531 if (loadmodel->yawmaxs[0] > modelradius)
1532 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1533 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1534 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1535 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1536 loadmodel->radius = modelradius;
1537 loadmodel->radius2 = modelradius * modelradius;
1539 // go through the lumps, swapping things
1541 //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1542 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1543 scene = (zymscene_t *) (pheader->lump_scenes.start + pbase);
1544 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1545 for (i = 0;i < pheader->numscenes;i++)
1547 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1548 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1549 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1550 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1551 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1552 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1553 Host_Error("%s scene->firstframe (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1554 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1555 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1556 if (loadmodel->animscenes[i].framerate < 0)
1557 Host_Error("%s scene->framerate (%f) < 0", loadmodel->name, loadmodel->animscenes[i].framerate);
1561 //zymlump_t lump_bones; // zymbone_t bone[numbones];
1562 loadmodel->num_bones = pheader->numbones;
1563 loadmodel->data_bones = (aliasbone_t *)Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1564 bone = (zymbone_t *) (pheader->lump_bones.start + pbase);
1565 for (i = 0;i < pheader->numbones;i++)
1567 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1568 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1569 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1570 if (loadmodel->data_bones[i].parent >= i)
1571 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1574 //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1575 vertbonecounts = (int *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1576 bonecount = (int *) (pheader->lump_vertbonecounts.start + pbase);
1577 for (i = 0;i < pheader->numverts;i++)
1579 vertbonecounts[i] = BigLong(bonecount[i]);
1580 if (vertbonecounts[i] != 1)
1581 Host_Error("%s bonecount[%i] != 1 (vertex weight support is impossible in this format)", loadmodel->name, i);
1584 loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1586 meshvertices = pheader->numverts;
1587 meshtriangles = pheader->numtris;
1589 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1590 loadmodel->num_textures = loadmodel->num_surfaces;
1591 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]));
1592 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1593 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1594 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1595 loadmodel->surfmesh.num_vertices = meshvertices;
1596 loadmodel->surfmesh.num_triangles = meshtriangles;
1597 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1598 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1599 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1600 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1601 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1602 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1603 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1604 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1605 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1606 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1607 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1608 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1610 //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1611 poses = (float *) (pheader->lump_poses.start + pbase);
1612 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1613 loadmodel->data_poses[i] = BigFloat(poses[i]);
1615 //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1616 verts = (zymvertex_t *)Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1617 vertdata = (zymvertex_t *) (pheader->lump_verts.start + pbase);
1618 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1619 // (converting from weight-blending skeletal animation to
1620 // deformation-based skeletal animation)
1621 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1622 for (i = 0;i < loadmodel->num_bones;i++)
1624 const float *m = loadmodel->data_poses + i * 12;
1625 if (loadmodel->data_bones[i].parent >= 0)
1626 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1628 for (k = 0;k < 12;k++)
1629 bonepose[12*i+k] = m[k];
1631 for (j = 0;j < pheader->numverts;j++)
1633 // this format really should have had a per vertexweight weight value...
1634 // but since it does not, the weighting is completely ignored and
1635 // only one weight is allowed per vertex
1636 int boneindex = BigLong(vertdata[j].bonenum);
1637 const float *m = bonepose + 12 * boneindex;
1638 float relativeorigin[3];
1639 relativeorigin[0] = BigFloat(vertdata[j].origin[0]);
1640 relativeorigin[1] = BigFloat(vertdata[j].origin[1]);
1641 relativeorigin[2] = BigFloat(vertdata[j].origin[2]);
1642 // transform the vertex bone weight into the base mesh
1643 loadmodel->surfmesh.data_vertex3f[j*3+0] = relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + m[ 3];
1644 loadmodel->surfmesh.data_vertex3f[j*3+1] = relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + m[ 7];
1645 loadmodel->surfmesh.data_vertex3f[j*3+2] = relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + m[11];
1646 // store the weight as the primary weight on this vertex
1647 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1648 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = 1;
1651 // normals and tangents are calculated after elements are loaded
1653 //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1654 outtexcoord2f = loadmodel->surfmesh.data_texcoordtexture2f;
1655 intexcoord2f = (float *) (pheader->lump_texcoords.start + pbase);
1656 for (i = 0;i < pheader->numverts;i++)
1658 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1659 // flip T coordinate for OpenGL
1660 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1663 //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1664 //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1665 //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1667 //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1668 //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)
1669 // byteswap, validate, and swap winding order of tris
1670 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1671 if (pheader->lump_render.length != count)
1672 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)", loadmodel->name, pheader->lump_render.length, count);
1673 renderlist = (int *) (pheader->lump_render.start + pbase);
1674 renderlistend = (int *) ((unsigned char *) renderlist + pheader->lump_render.length);
1676 for (i = 0;i < loadmodel->num_surfaces;i++)
1678 int firstvertex, lastvertex;
1679 if (renderlist >= renderlistend)
1680 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1681 count = BigLong(*renderlist);renderlist++;
1682 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1683 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1685 loadmodel->surfacelist[i] = i;
1686 surface = loadmodel->data_surfaces + i;
1687 surface->texture = loadmodel->data_textures + i;
1688 surface->num_firsttriangle = meshtriangles;
1689 surface->num_triangles = count;
1690 meshtriangles += surface->num_triangles;
1692 // load the elements
1693 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1694 for (j = 0;j < surface->num_triangles;j++, renderlist += 3)
1696 outelements[j*3+2] = BigLong(renderlist[0]);
1697 outelements[j*3+1] = BigLong(renderlist[1]);
1698 outelements[j*3+0] = BigLong(renderlist[2]);
1700 // validate the elements and find the used vertex range
1701 firstvertex = meshvertices;
1703 for (j = 0;j < surface->num_triangles * 3;j++)
1705 if ((unsigned int)outelements[j] >= (unsigned int)meshvertices)
1706 Host_Error("%s corrupt renderlist (out of bounds index)", loadmodel->name);
1707 firstvertex = min(firstvertex, outelements[j]);
1708 lastvertex = max(lastvertex, outelements[j]);
1710 surface->num_firstvertex = firstvertex;
1711 surface->num_vertices = lastvertex + 1 - firstvertex;
1713 // since zym models do not have named sections, reuse their shader
1714 // name as the section name
1715 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1717 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, shadername, shadername);
1719 for (j = 0;j < loadmodel->numskins;j++)
1720 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1722 Mod_FreeSkinFiles(skinfiles);
1723 Mem_Free(vertbonecounts);
1726 // compute all the mesh information that was not loaded from the file
1727 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
1728 Mod_BuildBaseBonePoses();
1729 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
1730 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);
1731 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1733 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1736 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1738 dpmheader_t *pheader;
1742 unsigned char *pbase;
1743 int i, j, k, meshvertices, meshtriangles;
1744 skinfile_t *skinfiles;
1745 unsigned char *data;
1748 pheader = (dpmheader_t *)buffer;
1749 pbase = (unsigned char *)buffer;
1750 if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
1751 Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a darkplaces model", loadmodel->name);
1752 if (BigLong(pheader->type) != 2)
1753 Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1755 loadmodel->type = mod_alias;
1756 loadmodel->flags = 0; // there are no flags on zym models
1757 loadmodel->synctype = ST_RAND;
1760 pheader->type = BigLong(pheader->type);
1761 pheader->filesize = BigLong(pheader->filesize);
1762 pheader->mins[0] = BigFloat(pheader->mins[0]);
1763 pheader->mins[1] = BigFloat(pheader->mins[1]);
1764 pheader->mins[2] = BigFloat(pheader->mins[2]);
1765 pheader->maxs[0] = BigFloat(pheader->maxs[0]);
1766 pheader->maxs[1] = BigFloat(pheader->maxs[1]);
1767 pheader->maxs[2] = BigFloat(pheader->maxs[2]);
1768 pheader->yawradius = BigFloat(pheader->yawradius);
1769 pheader->allradius = BigFloat(pheader->allradius);
1770 pheader->num_bones = BigLong(pheader->num_bones);
1771 pheader->num_meshs = BigLong(pheader->num_meshs);
1772 pheader->num_frames = BigLong(pheader->num_frames);
1773 pheader->ofs_bones = BigLong(pheader->ofs_bones);
1774 pheader->ofs_meshs = BigLong(pheader->ofs_meshs);
1775 pheader->ofs_frames = BigLong(pheader->ofs_frames);
1777 if (pheader->num_bones < 1 || pheader->num_meshs < 1)
1779 Con_Printf("%s has no geometry\n", loadmodel->name);
1782 if (pheader->num_frames < 1)
1784 Con_Printf("%s has no frames\n", loadmodel->name);
1788 loadmodel->DrawSky = NULL;
1789 loadmodel->Draw = R_Q1BSP_Draw;
1790 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1791 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1792 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1793 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1796 for (i = 0;i < 3;i++)
1798 loadmodel->normalmins[i] = pheader->mins[i];
1799 loadmodel->normalmaxs[i] = pheader->maxs[i];
1800 loadmodel->yawmins[i] = i != 2 ? -pheader->yawradius : pheader->mins[i];
1801 loadmodel->yawmaxs[i] = i != 2 ? pheader->yawradius : pheader->maxs[i];
1802 loadmodel->rotatedmins[i] = -pheader->allradius;
1803 loadmodel->rotatedmaxs[i] = pheader->allradius;
1805 loadmodel->radius = pheader->allradius;
1806 loadmodel->radius2 = pheader->allradius * pheader->allradius;
1808 // load external .skin files if present
1809 skinfiles = Mod_LoadSkinFiles();
1810 if (loadmodel->numskins < 1)
1811 loadmodel->numskins = 1;
1816 // gather combined statistics from the meshes
1817 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1818 for (i = 0;i < (int)pheader->num_meshs;i++)
1820 int numverts = BigLong(dpmmesh->num_verts);
1821 meshvertices += numverts;;
1822 meshtriangles += BigLong(dpmmesh->num_tris);
1826 loadmodel->numframes = pheader->num_frames;
1827 loadmodel->num_bones = pheader->num_bones;
1828 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
1829 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = pheader->num_meshs;
1830 // do most allocations as one merged chunk
1831 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));
1832 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1833 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1834 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1835 loadmodel->surfmesh.num_vertices = meshvertices;
1836 loadmodel->surfmesh.num_triangles = meshtriangles;
1837 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1838 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1839 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1840 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1841 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1842 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1843 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1844 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1845 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1846 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1847 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1848 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1849 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
1850 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
1851 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1853 for (i = 0;i < loadmodel->numskins;i++)
1855 loadmodel->skinscenes[i].firstframe = i;
1856 loadmodel->skinscenes[i].framecount = 1;
1857 loadmodel->skinscenes[i].loop = true;
1858 loadmodel->skinscenes[i].framerate = 10;
1861 // load the bone info
1862 bone = (dpmbone_t *) (pbase + pheader->ofs_bones);
1863 for (i = 0;i < loadmodel->num_bones;i++)
1865 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1866 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1867 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1868 if (loadmodel->data_bones[i].parent >= i)
1869 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1873 frame = (dpmframe_t *) (pbase + pheader->ofs_frames);
1874 for (i = 0;i < loadmodel->numframes;i++)
1877 memcpy(loadmodel->animscenes[i].name, frame->name, sizeof(frame->name));
1878 loadmodel->animscenes[i].firstframe = i;
1879 loadmodel->animscenes[i].framecount = 1;
1880 loadmodel->animscenes[i].loop = true;
1881 loadmodel->animscenes[i].framerate = 10;
1882 // load the bone poses for this frame
1883 poses = (float *) (pbase + BigLong(frame->ofs_bonepositions));
1884 for (j = 0;j < loadmodel->num_bones*12;j++)
1885 loadmodel->data_poses[i * loadmodel->num_bones*12 + j] = BigFloat(poses[j]);
1886 // stuff not processed here: mins, maxs, yawradius, allradius
1890 // load the meshes now
1891 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1894 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1895 // (converting from weight-blending skeletal animation to
1896 // deformation-based skeletal animation)
1897 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1898 for (i = 0;i < loadmodel->num_bones;i++)
1900 const float *m = loadmodel->data_poses + i * 12;
1901 if (loadmodel->data_bones[i].parent >= 0)
1902 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1904 for (k = 0;k < 12;k++)
1905 bonepose[12*i+k] = m[k];
1907 for (i = 0;i < loadmodel->num_surfaces;i++, dpmmesh++)
1909 const int *inelements;
1911 const float *intexcoord;
1912 msurface_t *surface;
1914 loadmodel->surfacelist[i] = i;
1915 surface = loadmodel->data_surfaces + i;
1916 surface->texture = loadmodel->data_textures + i;
1917 surface->num_firsttriangle = meshtriangles;
1918 surface->num_triangles = BigLong(dpmmesh->num_tris);
1919 surface->num_firstvertex = meshvertices;
1920 surface->num_vertices = BigLong(dpmmesh->num_verts);
1921 meshvertices += surface->num_vertices;
1922 meshtriangles += surface->num_triangles;
1924 inelements = (int *) (pbase + BigLong(dpmmesh->ofs_indices));
1925 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1926 for (j = 0;j < surface->num_triangles;j++)
1928 // swap element order to flip triangles, because Quake uses clockwise (rare) and dpm uses counterclockwise (standard)
1929 outelements[0] = surface->num_firstvertex + BigLong(inelements[2]);
1930 outelements[1] = surface->num_firstvertex + BigLong(inelements[1]);
1931 outelements[2] = surface->num_firstvertex + BigLong(inelements[0]);
1936 intexcoord = (float *) (pbase + BigLong(dpmmesh->ofs_texcoords));
1937 for (j = 0;j < surface->num_vertices*2;j++)
1938 loadmodel->surfmesh.data_texcoordtexture2f[j + surface->num_firstvertex * 2] = BigFloat(intexcoord[j]);
1940 data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
1941 for (j = surface->num_firstvertex;j < surface->num_firstvertex + surface->num_vertices;j++)
1945 int numweights = BigLong(((dpmvertex_t *)data)->numbones);
1946 data += sizeof(dpmvertex_t);
1947 for (k = 0;k < numweights;k++)
1949 const dpmbonevert_t *vert = (dpmbonevert_t *) data;
1950 int boneindex = BigLong(vert->bonenum);
1951 const float *m = bonepose + 12 * boneindex;
1952 float influence = BigFloat(vert->influence);
1953 float relativeorigin[3], relativenormal[3];
1954 relativeorigin[0] = BigFloat(vert->origin[0]);
1955 relativeorigin[1] = BigFloat(vert->origin[1]);
1956 relativeorigin[2] = BigFloat(vert->origin[2]);
1957 relativenormal[0] = BigFloat(vert->normal[0]);
1958 relativenormal[1] = BigFloat(vert->normal[1]);
1959 relativenormal[2] = BigFloat(vert->normal[2]);
1960 // blend the vertex bone weights into the base mesh
1961 loadmodel->surfmesh.data_vertex3f[j*3+0] += relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + influence * m[ 3];
1962 loadmodel->surfmesh.data_vertex3f[j*3+1] += relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + influence * m[ 7];
1963 loadmodel->surfmesh.data_vertex3f[j*3+2] += relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + influence * m[11];
1964 loadmodel->surfmesh.data_normal3f[j*3+0] += relativenormal[0] * m[0] + relativenormal[1] * m[1] + relativenormal[2] * m[ 2];
1965 loadmodel->surfmesh.data_normal3f[j*3+1] += relativenormal[0] * m[4] + relativenormal[1] * m[5] + relativenormal[2] * m[ 6];
1966 loadmodel->surfmesh.data_normal3f[j*3+2] += relativenormal[0] * m[8] + relativenormal[1] * m[9] + relativenormal[2] * m[10];
1969 // store the first (and often only) weight
1970 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = influence;
1971 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1975 // sort the new weight into this vertex's weight table
1976 // (which only accepts up to 4 bones per vertex)
1977 for (l = 0;l < 4;l++)
1979 if (loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] < influence)
1981 // move weaker influence weights out of the way first
1983 for (l2 = 3;l2 > l;l2--)
1985 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2-1];
1986 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2-1];
1988 // store the new weight
1989 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] = influence;
1990 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l] = boneindex;
1995 data += sizeof(dpmbonevert_t);
1998 for (l = 0;l < 4;l++)
1999 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l];
2000 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2002 float f = 1.0f / sum;
2003 for (l = 0;l < 4;l++)
2004 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] *= f;
2008 // since dpm models do not have named sections, reuse their shader name as the section name
2009 if (dpmmesh->shadername[0])
2010 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, dpmmesh->shadername, dpmmesh->shadername);
2012 for (j = 0;j < loadmodel->numskins;j++)
2013 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
2015 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
2018 Mod_FreeSkinFiles(skinfiles);
2020 // compute all the mesh information that was not loaded from the file
2021 Mod_BuildBaseBonePoses();
2022 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);
2023 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2025 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
2028 // no idea why PSK/PSA files contain weird quaternions but they do...
2029 #define PSKQUATNEGATIONS
2030 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend)
2032 int i, j, index, version, recordsize, numrecords, meshvertices, meshtriangles;
2033 int numpnts, numvtxw, numfaces, nummatts, numbones, numrawweights, numanimbones, numanims, numanimkeys;
2034 fs_offset_t filesize;
2039 pskboneinfo_t *bones;
2040 pskrawweights_t *rawweights;
2041 pskboneinfo_t *animbones;
2042 pskaniminfo_t *anims;
2043 pskanimkeys_t *animkeys;
2044 void *animfilebuffer, *animbuffer, *animbufferend;
2045 unsigned char *data;
2047 skinfile_t *skinfiles;
2048 char animname[MAX_QPATH];
2050 pchunk = (pskchunk_t *)buffer;
2051 if (strcmp(pchunk->id, "ACTRHEAD"))
2052 Host_Error ("Mod_PSKMODEL_Load: %s is not an Unreal Engine ActorX (.psk + .psa) model", loadmodel->name);
2054 loadmodel->type = mod_alias;
2055 loadmodel->DrawSky = NULL;
2056 loadmodel->Draw = R_Q1BSP_Draw;
2057 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
2058 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
2059 loadmodel->DrawLight = R_Q1BSP_DrawLight;
2060 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
2061 loadmodel->flags = 0; // there are no flags on zym models
2062 loadmodel->synctype = ST_RAND;
2064 FS_StripExtension(loadmodel->name, animname, sizeof(animname));
2065 strlcat(animname, ".psa", sizeof(animname));
2066 animbuffer = animfilebuffer = FS_LoadFile(animname, loadmodel->mempool, false, &filesize);
2067 animbufferend = (void *)((unsigned char*)animbuffer + (int)filesize);
2068 if (animbuffer == NULL)
2069 Host_Error("%s: can't find .psa file (%s)", loadmodel->name, animname);
2088 while (buffer < bufferend)
2090 pchunk = (pskchunk_t *)buffer;
2091 buffer = (void *)((unsigned char *)buffer + sizeof(pskchunk_t));
2092 version = LittleLong(pchunk->version);
2093 recordsize = LittleLong(pchunk->recordsize);
2094 numrecords = LittleLong(pchunk->numrecords);
2095 if (developer.integer >= 100)
2096 Con_Printf("%s: %s %x: %i * %i = %i\n", loadmodel->name, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2097 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2098 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);
2099 if (!strcmp(pchunk->id, "ACTRHEAD"))
2103 else if (!strcmp(pchunk->id, "PNTS0000"))
2106 if (recordsize != sizeof(*p))
2107 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2108 // byteswap in place and keep the pointer
2109 numpnts = numrecords;
2110 pnts = (pskpnts_t *)buffer;
2111 for (index = 0, p = (pskpnts_t *)buffer;index < numrecords;index++, p++)
2113 p->origin[0] = LittleFloat(p->origin[0]);
2114 p->origin[1] = LittleFloat(p->origin[1]);
2115 p->origin[2] = LittleFloat(p->origin[2]);
2119 else if (!strcmp(pchunk->id, "VTXW0000"))
2122 if (recordsize != sizeof(*p))
2123 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2124 // byteswap in place and keep the pointer
2125 numvtxw = numrecords;
2126 vtxw = (pskvtxw_t *)buffer;
2127 for (index = 0, p = (pskvtxw_t *)buffer;index < numrecords;index++, p++)
2129 p->pntsindex = LittleShort(p->pntsindex);
2130 p->texcoord[0] = LittleFloat(p->texcoord[0]);
2131 p->texcoord[1] = LittleFloat(p->texcoord[1]);
2132 if (p->pntsindex >= numpnts)
2134 Con_Printf("%s: vtxw->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2140 else if (!strcmp(pchunk->id, "FACE0000"))
2143 if (recordsize != sizeof(*p))
2144 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2145 // byteswap in place and keep the pointer
2146 numfaces = numrecords;
2147 faces = (pskface_t *)buffer;
2148 for (index = 0, p = (pskface_t *)buffer;index < numrecords;index++, p++)
2150 p->vtxwindex[0] = LittleShort(p->vtxwindex[0]);
2151 p->vtxwindex[1] = LittleShort(p->vtxwindex[1]);
2152 p->vtxwindex[2] = LittleShort(p->vtxwindex[2]);
2153 p->group = LittleLong(p->group);
2154 if (p->vtxwindex[0] >= numvtxw)
2156 Con_Printf("%s: face->vtxwindex[0] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[0], numvtxw);
2157 p->vtxwindex[0] = 0;
2159 if (p->vtxwindex[1] >= numvtxw)
2161 Con_Printf("%s: face->vtxwindex[1] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[1], numvtxw);
2162 p->vtxwindex[1] = 0;
2164 if (p->vtxwindex[2] >= numvtxw)
2166 Con_Printf("%s: face->vtxwindex[2] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[2], numvtxw);
2167 p->vtxwindex[2] = 0;
2172 else if (!strcmp(pchunk->id, "MATT0000"))
2175 if (recordsize != sizeof(*p))
2176 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2177 // byteswap in place and keep the pointer
2178 nummatts = numrecords;
2179 matts = (pskmatt_t *)buffer;
2180 for (index = 0, p = (pskmatt_t *)buffer;index < numrecords;index++, p++)
2186 else if (!strcmp(pchunk->id, "REFSKELT"))
2189 if (recordsize != sizeof(*p))
2190 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2191 // byteswap in place and keep the pointer
2192 numbones = numrecords;
2193 bones = (pskboneinfo_t *)buffer;
2194 for (index = 0, p = (pskboneinfo_t *)buffer;index < numrecords;index++, p++)
2196 p->numchildren = LittleLong(p->numchildren);
2197 p->parent = LittleLong(p->parent);
2198 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2199 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2200 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2201 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2202 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2203 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2204 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2205 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2206 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2207 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2208 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2209 #ifdef PSKQUATNEGATIONS
2212 p->basepose.quat[0] *= -1;
2213 p->basepose.quat[1] *= -1;
2214 p->basepose.quat[2] *= -1;
2218 p->basepose.quat[0] *= 1;
2219 p->basepose.quat[1] *= -1;
2220 p->basepose.quat[2] *= 1;
2223 if (p->parent < 0 || p->parent >= numbones)
2225 Con_Printf("%s: bone->parent %i >= numbones %i\n", loadmodel->name, p->parent, numbones);
2231 else if (!strcmp(pchunk->id, "RAWWEIGHTS"))
2234 if (recordsize != sizeof(*p))
2235 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2236 // byteswap in place and keep the pointer
2237 numrawweights = numrecords;
2238 rawweights = (pskrawweights_t *)buffer;
2239 for (index = 0, p = (pskrawweights_t *)buffer;index < numrecords;index++, p++)
2241 p->weight = LittleFloat(p->weight);
2242 p->pntsindex = LittleLong(p->pntsindex);
2243 p->boneindex = LittleLong(p->boneindex);
2244 if (p->pntsindex < 0 || p->pntsindex >= numpnts)
2246 Con_Printf("%s: weight->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2249 if (p->boneindex < 0 || p->boneindex >= numbones)
2251 Con_Printf("%s: weight->boneindex %i >= numbones %i\n", loadmodel->name, p->boneindex, numbones);
2259 while (animbuffer < animbufferend)
2261 pchunk = (pskchunk_t *)animbuffer;
2262 animbuffer = (void *)((unsigned char *)animbuffer + sizeof(pskchunk_t));
2263 version = LittleLong(pchunk->version);
2264 recordsize = LittleLong(pchunk->recordsize);
2265 numrecords = LittleLong(pchunk->numrecords);
2266 if (developer.integer >= 100)
2267 Con_Printf("%s: %s %x: %i * %i = %i\n", animname, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2268 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2269 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);
2270 if (!strcmp(pchunk->id, "ANIMHEAD"))
2274 else if (!strcmp(pchunk->id, "BONENAMES"))
2277 if (recordsize != sizeof(*p))
2278 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2279 // byteswap in place and keep the pointer
2280 numanimbones = numrecords;
2281 animbones = (pskboneinfo_t *)animbuffer;
2282 // NOTE: supposedly psa does not need to match the psk model, the
2283 // bones missing from the psa would simply use their base
2284 // positions from the psk, but this is hard for me to implement
2285 // and people can easily make animations that match.
2286 if (numanimbones != numbones)
2287 Host_Error("%s: this loader only supports animations with the same bones as the mesh", loadmodel->name);
2288 for (index = 0, p = (pskboneinfo_t *)animbuffer;index < numrecords;index++, p++)
2290 p->numchildren = LittleLong(p->numchildren);
2291 p->parent = LittleLong(p->parent);
2292 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2293 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2294 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2295 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2296 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2297 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2298 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2299 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2300 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2301 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2302 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2303 #ifdef PSKQUATNEGATIONS
2306 p->basepose.quat[0] *= -1;
2307 p->basepose.quat[1] *= -1;
2308 p->basepose.quat[2] *= -1;
2312 p->basepose.quat[0] *= 1;
2313 p->basepose.quat[1] *= -1;
2314 p->basepose.quat[2] *= 1;
2317 if (p->parent < 0 || p->parent >= numanimbones)
2319 Con_Printf("%s: bone->parent %i >= numanimbones %i\n", animname, p->parent, numanimbones);
2322 // check that bones are the same as in the base
2323 if (strcmp(p->name, bones[index].name) || p->parent != bones[index].parent)
2324 Host_Error("%s: this loader only supports animations with the same bones as the mesh", animname);
2328 else if (!strcmp(pchunk->id, "ANIMINFO"))
2331 if (recordsize != sizeof(*p))
2332 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2333 // byteswap in place and keep the pointer
2334 numanims = numrecords;
2335 anims = (pskaniminfo_t *)animbuffer;
2336 for (index = 0, p = (pskaniminfo_t *)animbuffer;index < numrecords;index++, p++)
2338 p->numbones = LittleLong(p->numbones);
2339 p->playtime = LittleFloat(p->playtime);
2340 p->fps = LittleFloat(p->fps);
2341 p->firstframe = LittleLong(p->firstframe);
2342 p->numframes = LittleLong(p->numframes);
2343 if (p->numbones != numbones)
2344 Con_Printf("%s: animinfo->numbones != numbones, trying to load anyway!\n", animname);
2348 else if (!strcmp(pchunk->id, "ANIMKEYS"))
2351 if (recordsize != sizeof(*p))
2352 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2353 numanimkeys = numrecords;
2354 animkeys = (pskanimkeys_t *)animbuffer;
2355 for (index = 0, p = (pskanimkeys_t *)animbuffer;index < numrecords;index++, p++)
2357 p->origin[0] = LittleFloat(p->origin[0]);
2358 p->origin[1] = LittleFloat(p->origin[1]);
2359 p->origin[2] = LittleFloat(p->origin[2]);
2360 p->quat[0] = LittleFloat(p->quat[0]);
2361 p->quat[1] = LittleFloat(p->quat[1]);
2362 p->quat[2] = LittleFloat(p->quat[2]);
2363 p->quat[3] = LittleFloat(p->quat[3]);
2364 p->frametime = LittleFloat(p->frametime);
2365 #ifdef PSKQUATNEGATIONS
2366 if (index % numbones)
2381 // TODO: allocate bonepose stuff
2384 Con_Printf("%s: unknown chunk ID \"%s\"\n", animname, pchunk->id);
2387 if (!numpnts || !pnts || !numvtxw || !vtxw || !numfaces || !faces || !nummatts || !matts || !numbones || !bones || !numrawweights || !rawweights || !numanims || !anims || !numanimkeys || !animkeys)
2388 Host_Error("%s: missing required chunks", loadmodel->name);
2390 loadmodel->numframes = 0;
2391 for (index = 0;index < numanims;index++)
2392 loadmodel->numframes += anims[index].numframes;
2394 if (numanimkeys != numbones * loadmodel->numframes)
2395 Host_Error("%s: %s has incorrect number of animation keys", animname, pchunk->id);
2397 meshvertices = numvtxw;
2398 meshtriangles = numfaces;
2400 // load external .skin files if present
2401 skinfiles = Mod_LoadSkinFiles();
2402 if (loadmodel->numskins < 1)
2403 loadmodel->numskins = 1;
2404 loadmodel->num_bones = numbones;
2405 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
2406 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = nummatts;
2407 // do most allocations as one merged chunk
2408 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));
2409 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
2410 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
2411 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
2412 loadmodel->surfmesh.num_vertices = meshvertices;
2413 loadmodel->surfmesh.num_triangles = meshtriangles;
2414 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2415 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2416 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
2417 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2418 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2419 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
2420 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
2421 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
2422 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
2423 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2424 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2425 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2426 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
2427 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
2428 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
2430 for (i = 0;i < loadmodel->numskins;i++)
2432 loadmodel->skinscenes[i].firstframe = i;
2433 loadmodel->skinscenes[i].framecount = 1;
2434 loadmodel->skinscenes[i].loop = true;
2435 loadmodel->skinscenes[i].framerate = 10;
2439 for (index = 0, i = 0;index < nummatts;index++)
2441 // since psk models do not have named sections, reuse their shader name as the section name
2442 if (matts[index].name[0])
2443 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + index, skinfiles, matts[index].name, matts[index].name);
2445 for (j = 0;j < loadmodel->numskins;j++)
2446 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + index + j * loadmodel->num_surfaces, NULL);
2447 loadmodel->surfacelist[index] = index;
2448 loadmodel->data_surfaces[index].texture = loadmodel->data_textures + index;
2449 loadmodel->data_surfaces[index].num_firstvertex = 0;
2450 loadmodel->data_surfaces[index].num_vertices = loadmodel->surfmesh.num_vertices;
2453 // copy over the vertex locations and texcoords
2454 for (index = 0;index < numvtxw;index++)
2456 loadmodel->surfmesh.data_vertex3f[index*3+0] = pnts[vtxw[index].pntsindex].origin[0];
2457 loadmodel->surfmesh.data_vertex3f[index*3+1] = pnts[vtxw[index].pntsindex].origin[1];
2458 loadmodel->surfmesh.data_vertex3f[index*3+2] = pnts[vtxw[index].pntsindex].origin[2];
2459 loadmodel->surfmesh.data_texcoordtexture2f[index*2+0] = vtxw[index].texcoord[0];
2460 loadmodel->surfmesh.data_texcoordtexture2f[index*2+1] = vtxw[index].texcoord[1];
2463 // loading the faces is complicated because we need to sort them into surfaces by mattindex
2464 for (index = 0;index < numfaces;index++)
2465 loadmodel->data_surfaces[faces[index].mattindex].num_triangles++;
2466 for (index = 0, i = 0;index < nummatts;index++)
2468 loadmodel->data_surfaces[index].num_firsttriangle = i;
2469 i += loadmodel->data_surfaces[index].num_triangles;
2470 loadmodel->data_surfaces[index].num_triangles = 0;
2472 for (index = 0;index < numfaces;index++)
2474 i = (loadmodel->data_surfaces[faces[index].mattindex].num_firsttriangle + loadmodel->data_surfaces[faces[index].mattindex].num_triangles++)*3;
2475 loadmodel->surfmesh.data_element3i[i+0] = faces[index].vtxwindex[0];
2476 loadmodel->surfmesh.data_element3i[i+1] = faces[index].vtxwindex[1];
2477 loadmodel->surfmesh.data_element3i[i+2] = faces[index].vtxwindex[2];
2480 // copy over the bones
2481 for (index = 0;index < numbones;index++)
2483 strlcpy(loadmodel->data_bones[index].name, bones[index].name, sizeof(loadmodel->data_bones[index].name));
2484 loadmodel->data_bones[index].parent = (index || bones[index].parent > 0) ? bones[index].parent : -1;
2485 if (loadmodel->data_bones[index].parent >= index)
2486 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, index, index);
2489 // sort the psk point weights into the vertex weight tables
2490 // (which only accept up to 4 bones per vertex)
2491 for (index = 0;index < numvtxw;index++)
2495 for (j = 0;j < numrawweights;j++)
2497 if (rawweights[j].pntsindex == vtxw[index].pntsindex)
2499 int boneindex = rawweights[j].boneindex;
2500 float influence = rawweights[j].weight;
2501 for (l = 0;l < 4;l++)
2503 if (loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] < influence)
2505 // move lower influence weights out of the way first
2507 for (l2 = 3;l2 > l;l2--)
2509 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2-1];
2510 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2-1];
2512 // store the new weight
2513 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] = influence;
2514 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l] = boneindex;
2521 for (l = 0;l < 4;l++)
2522 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l];
2523 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2525 float f = 1.0f / sum;
2526 for (l = 0;l < 4;l++)
2527 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] *= f;
2531 // set up the animscenes based on the anims
2532 for (index = 0, i = 0;index < numanims;index++)
2534 for (j = 0;j < anims[index].numframes;j++, i++)
2536 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "%s_%d", anims[index].name, j);
2537 loadmodel->animscenes[i].firstframe = i;
2538 loadmodel->animscenes[i].framecount = 1;
2539 loadmodel->animscenes[i].loop = true;
2540 loadmodel->animscenes[i].framerate = 10;
2544 // load the poses from the animkeys
2545 for (index = 0;index < numanimkeys;index++)
2547 pskanimkeys_t *k = animkeys + index;
2549 Matrix4x4_FromOriginQuat(&matrix, k->origin[0], k->origin[1], k->origin[2], k->quat[0], k->quat[1], k->quat[2], k->quat[3]);
2550 Matrix4x4_ToArray12FloatD3D(&matrix, loadmodel->data_poses + index*12);
2552 Mod_FreeSkinFiles(skinfiles);
2553 Mem_Free(animfilebuffer);
2555 // compute all the mesh information that was not loaded from the file
2556 // TODO: honor smoothing groups somehow?
2557 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
2558 Mod_BuildBaseBonePoses();
2559 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
2560 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);
2561 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2562 Mod_Alias_CalculateBoundingBox();
2564 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;