2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 cvar_t r_skeletal_debugbone = {0, "r_skeletal_debugbone", "-1", "development cvar for testing skeletal model code"};
26 cvar_t r_skeletal_debugbonecomponent = {0, "r_skeletal_debugbonecomponent", "3", "development cvar for testing skeletal model code"};
27 cvar_t r_skeletal_debugbonevalue = {0, "r_skeletal_debugbonevalue", "100", "development cvar for testing skeletal model code"};
28 cvar_t r_skeletal_debugtranslatex = {0, "r_skeletal_debugtranslatex", "1", "development cvar for testing skeletal model code"};
29 cvar_t r_skeletal_debugtranslatey = {0, "r_skeletal_debugtranslatey", "1", "development cvar for testing skeletal model code"};
30 cvar_t r_skeletal_debugtranslatez = {0, "r_skeletal_debugtranslatez", "1", "development cvar for testing skeletal model code"};
32 float mod_md3_sin[320];
34 void Mod_AliasInit (void)
37 Cvar_RegisterVariable(&r_skeletal_debugbone);
38 Cvar_RegisterVariable(&r_skeletal_debugbonecomponent);
39 Cvar_RegisterVariable(&r_skeletal_debugbonevalue);
40 Cvar_RegisterVariable(&r_skeletal_debugtranslatex);
41 Cvar_RegisterVariable(&r_skeletal_debugtranslatey);
42 Cvar_RegisterVariable(&r_skeletal_debugtranslatez);
43 for (i = 0;i < 320;i++)
44 mod_md3_sin[i] = sin(i * M_PI * 2.0f / 256.0);
47 void Mod_Alias_GetMesh_Vertices(const model_t *model, const frameblend_t *frameblend, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f)
50 if (model->surfmesh.data_vertexweightindex4i)
52 // vertex weighted skeletal
54 float boneposerelative[MAX_BONES][12];
55 // interpolate matrices and concatenate them to their parents
56 for (i = 0;i < model->num_bones;i++)
59 float *matrix, m[12], bonepose[MAX_BONES][12];
60 for (k = 0;k < 12;k++)
62 for (blends = 0;blends < 4 && frameblend[blends].lerp > 0;blends++)
64 matrix = model->data_poses + (frameblend[blends].frame * model->num_bones + i) * 12;
65 for (k = 0;k < 12;k++)
66 m[k] += matrix[k] * frameblend[blends].lerp;
68 if (i == r_skeletal_debugbone.integer)
69 m[r_skeletal_debugbonecomponent.integer % 12] += r_skeletal_debugbonevalue.value;
70 m[3] *= r_skeletal_debugtranslatex.value;
71 m[7] *= r_skeletal_debugtranslatey.value;
72 m[11] *= r_skeletal_debugtranslatez.value;
73 if (model->data_bones[i].parent >= 0)
74 R_ConcatTransforms(bonepose[model->data_bones[i].parent], m, bonepose[i]);
76 for (k = 0;k < 12;k++)
77 bonepose[i][k] = m[k];
78 // create a relative deformation matrix to describe displacement
79 // from the base mesh, which is used by the actual weighting
80 R_ConcatTransforms(bonepose[i], model->data_baseboneposeinverse + i * 12, boneposerelative[i]);
82 // blend the vertex bone weights
83 // special case for the extremely common wf[0] == 1 because it saves 3 multiplies per array when compared to the other case (w[0] is always 1 if only one bone controls this vertex, artists only use multiple bones for certain special cases)
84 // special case for the first bone because it avoids the need to memset the arrays before filling
86 const float *v = model->surfmesh.data_vertex3f;
87 const int *wi = model->surfmesh.data_vertexweightindex4i;
88 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
89 memset(vertex3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
90 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, wi += 4, wf += 4, vertex3f += 3)
94 const float *m = boneposerelative[wi[0]];
95 vertex3f[0] = (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
96 vertex3f[1] = (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
97 vertex3f[2] = (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
101 const float *m = boneposerelative[wi[0]];
103 vertex3f[0] = f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
104 vertex3f[1] = f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
105 vertex3f[2] = f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
106 for (k = 1;k < 4 && wf[k];k++)
108 const float *m = boneposerelative[wi[k]];
110 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
111 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
112 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
119 const float *n = model->surfmesh.data_normal3f;
120 const int *wi = model->surfmesh.data_vertexweightindex4i;
121 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
122 memset(normal3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
123 for (i = 0;i < model->surfmesh.num_vertices;i++, n += 3, wi += 4, wf += 4, normal3f += 3)
127 const float *m = boneposerelative[wi[0]];
128 normal3f[0] = (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
129 normal3f[1] = (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
130 normal3f[2] = (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
134 const float *m = boneposerelative[wi[0]];
136 normal3f[0] = f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
137 normal3f[1] = f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
138 normal3f[2] = f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
139 for (k = 1;k < 4 && wf[k];k++)
141 const float *m = boneposerelative[wi[k]];
143 normal3f[0] += f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
144 normal3f[1] += f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
145 normal3f[2] += f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
152 const float *sv = model->surfmesh.data_svector3f;
153 const int *wi = model->surfmesh.data_vertexweightindex4i;
154 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
155 memset(svector3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
156 for (i = 0;i < model->surfmesh.num_vertices;i++, sv += 3, wi += 4, wf += 4, svector3f += 3)
160 const float *m = boneposerelative[wi[0]];
161 svector3f[0] = (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
162 svector3f[1] = (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
163 svector3f[2] = (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
167 const float *m = boneposerelative[wi[0]];
169 svector3f[0] = f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
170 svector3f[1] = f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
171 svector3f[2] = f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
172 for (k = 1;k < 4 && wf[k];k++)
174 const float *m = boneposerelative[wi[k]];
176 svector3f[0] += f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
177 svector3f[1] += f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
178 svector3f[2] += f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
185 const float *tv = model->surfmesh.data_tvector3f;
186 const int *wi = model->surfmesh.data_vertexweightindex4i;
187 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
188 memset(tvector3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
189 for (i = 0;i < model->surfmesh.num_vertices;i++, tv += 3, wi += 4, wf += 4, tvector3f += 3)
193 const float *m = boneposerelative[wi[0]];
194 tvector3f[0] = (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
195 tvector3f[1] = (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
196 tvector3f[2] = (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
200 const float *m = boneposerelative[wi[0]];
202 tvector3f[0] = f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
203 tvector3f[1] = f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
204 tvector3f[2] = f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
205 for (k = 1;k < 4 && wf[k];k++)
207 const float *m = boneposerelative[wi[k]];
209 tvector3f[0] += f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
210 tvector3f[1] += f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
211 tvector3f[2] += f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
217 else if (model->surfmesh.data_morphmd3vertex)
220 int i, numblends, blendnum;
221 int numverts = model->surfmesh.num_vertices;
223 for (blendnum = 0;blendnum < 4;blendnum++)
225 //VectorMA(translate, model->surfmesh.num_morphmdlframetranslate, frameblend[blendnum].lerp, translate);
226 if (frameblend[blendnum].lerp > 0)
227 numblends = blendnum + 1;
229 // special case for the first blend because it avoids some adds and the need to memset the arrays first
230 for (blendnum = 0;blendnum < numblends;blendnum++)
232 const md3vertex_t *verts = model->surfmesh.data_morphmd3vertex + numverts * frameblend[blendnum].frame;
233 float scale = frameblend[blendnum].lerp * (1.0f / 64.0f);
236 for (i = 0;i < numverts;i++)
238 vertex3f[i * 3 + 0] = verts[i].origin[0] * scale;
239 vertex3f[i * 3 + 1] = verts[i].origin[1] * scale;
240 vertex3f[i * 3 + 2] = verts[i].origin[2] * scale;
245 for (i = 0;i < numverts;i++)
247 vertex3f[i * 3 + 0] += verts[i].origin[0] * scale;
248 vertex3f[i * 3 + 1] += verts[i].origin[1] * scale;
249 vertex3f[i * 3 + 2] += verts[i].origin[2] * scale;
252 // the yaw and pitch stored in md3 models are 8bit quantized angles
253 // (0-255), and as such a lookup table is very well suited to
254 // decoding them, and since cosine is equivilant to sine with an
255 // extra 45 degree rotation, this uses one lookup table for both
256 // sine and cosine with a +64 bias to get cosine.
259 float lerp = frameblend[blendnum].lerp;
262 for (i = 0;i < numverts;i++)
264 normal3f[i * 3 + 0] = mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
265 normal3f[i * 3 + 1] = mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
266 normal3f[i * 3 + 2] = mod_md3_sin[verts[i].pitch + 64] * lerp;
271 for (i = 0;i < numverts;i++)
273 normal3f[i * 3 + 0] += mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
274 normal3f[i * 3 + 1] += mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
275 normal3f[i * 3 + 2] += mod_md3_sin[verts[i].pitch + 64] * lerp;
280 // md3 model vertices do not include tangents, so we have to generate them (extremely slow)
283 Mod_BuildTextureVectorsFromNormals(0, model->surfmesh.num_vertices, model->surfmesh.num_triangles, vertex3f, model->surfmesh.data_texcoordtexture2f, normal3f, model->surfmesh.data_element3i, svector3f, tvector3f, r_smoothnormals_areaweighting.integer);
285 else if (model->surfmesh.data_morphmdlvertex)
288 int i, numblends, blendnum;
289 int numverts = model->surfmesh.num_vertices;
291 VectorClear(translate);
293 // blend the frame translates to avoid redundantly doing so on each vertex
294 // (a bit of a brain twister but it works)
295 for (blendnum = 0;blendnum < 4;blendnum++)
297 if (model->surfmesh.data_morphmd2framesize6f)
298 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6 + 3, translate);
300 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.num_morphmdlframetranslate, translate);
301 if (frameblend[blendnum].lerp > 0)
302 numblends = blendnum + 1;
304 // special case for the first blend because it avoids some adds and the need to memset the arrays first
305 for (blendnum = 0;blendnum < numblends;blendnum++)
307 const trivertx_t *verts = model->surfmesh.data_morphmdlvertex + numverts * frameblend[blendnum].frame;
309 if (model->surfmesh.data_morphmd2framesize6f)
310 VectorScale(model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6, frameblend[blendnum].lerp, scale);
312 VectorScale(model->surfmesh.num_morphmdlframescale, frameblend[blendnum].lerp, scale);
315 for (i = 0;i < numverts;i++)
317 vertex3f[i * 3 + 0] = translate[0] + verts[i].v[0] * scale[0];
318 vertex3f[i * 3 + 1] = translate[1] + verts[i].v[1] * scale[1];
319 vertex3f[i * 3 + 2] = translate[2] + verts[i].v[2] * scale[2];
324 for (i = 0;i < numverts;i++)
326 vertex3f[i * 3 + 0] += verts[i].v[0] * scale[0];
327 vertex3f[i * 3 + 1] += verts[i].v[1] * scale[1];
328 vertex3f[i * 3 + 2] += verts[i].v[2] * scale[2];
331 // the vertex normals in mdl models are an index into a table of
332 // 162 unique values, this very crude quantization reduces the
333 // vertex normal to only one byte, which saves a lot of space but
334 // also makes lighting pretty coarse
337 float lerp = frameblend[blendnum].lerp;
340 for (i = 0;i < numverts;i++)
342 const float *vn = m_bytenormals[verts[i].lightnormalindex];
343 VectorScale(vn, lerp, normal3f + i*3);
348 for (i = 0;i < numverts;i++)
350 const float *vn = m_bytenormals[verts[i].lightnormalindex];
351 VectorMA(normal3f + i*3, lerp, vn, normal3f + i*3);
358 Mod_BuildTextureVectorsFromNormals(0, model->surfmesh.num_vertices, model->surfmesh.num_triangles, vertex3f, model->surfmesh.data_texcoordtexture2f, normal3f, model->surfmesh.data_element3i, svector3f, tvector3f, r_smoothnormals_areaweighting.integer);
361 Host_Error("model %s has no skeletal or vertex morph animation data", model->name);
364 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
366 const float *boneframe;
367 float tempbonematrix[12], bonematrix[12];
368 *outmatrix = identitymatrix;
369 if (model->num_bones)
371 if (tagindex < 0 || tagindex >= model->num_bones)
373 if (poseframe >= model->num_poses)
375 boneframe = model->data_poses + poseframe * model->num_bones * 12;
376 memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
377 while (model->data_bones[tagindex].parent >= 0)
379 memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
380 R_ConcatTransforms(boneframe + model->data_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
381 tagindex = model->data_bones[tagindex].parent;
383 Matrix4x4_FromArray12FloatD3D(outmatrix, bonematrix);
385 else if (model->num_tags)
387 if (tagindex < 0 || tagindex >= model->num_tags)
389 if (poseframe >= model->num_tagframes)
391 Matrix4x4_FromArray12FloatGL(outmatrix, model->data_tags[poseframe * model->num_tags + tagindex].matrixgl);
396 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
399 if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
400 for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
401 if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
403 if (model->num_bones)
404 for (i = 0;i < model->num_bones;i++)
405 if (!strcasecmp(tagname, model->data_bones[i].name))
408 for (i = 0;i < model->num_tags;i++)
409 if (!strcasecmp(tagname, model->data_tags[i].name))
414 static void Mod_BuildBaseBonePoses(void)
418 float *basebonepose = Mem_Alloc(tempmempool, loadmodel->num_bones * sizeof(float[12]));
419 float *in12f = loadmodel->data_poses;
420 float *out12f = basebonepose;
421 float *outinv12f = loadmodel->data_baseboneposeinverse;
422 for (i = 0;i < loadmodel->num_bones;i++, in12f += 12, out12f += 12, outinv12f += 12)
424 if (loadmodel->data_bones[i].parent >= 0)
425 R_ConcatTransforms(basebonepose + 12 * loadmodel->data_bones[i].parent, in12f, out12f);
427 for (k = 0;k < 12;k++)
428 out12f[k] = in12f[k];
432 // we only support uniform scaling, so assume the first row is enough
433 // (note the lack of sqrt here, because we're trying to undo the scaling,
434 // this means multiplying by the inverse scale twice - squaring it, which
435 // makes the sqrt a waste of time)
436 scale = 1.0 / (out12f[ 0] * out12f[ 0] + out12f[ 1] * out12f[ 1] + out12f[ 2] * out12f[ 2]);
438 // invert the rotation by transposing and multiplying by the squared
439 // recipricol of the input matrix scale as described above
440 outinv12f[ 0] = (float)(out12f[ 0] * scale);
441 outinv12f[ 1] = (float)(out12f[ 4] * scale);
442 outinv12f[ 2] = (float)(out12f[ 8] * scale);
443 outinv12f[ 4] = (float)(out12f[ 1] * scale);
444 outinv12f[ 5] = (float)(out12f[ 5] * scale);
445 outinv12f[ 6] = (float)(out12f[ 9] * scale);
446 outinv12f[ 8] = (float)(out12f[ 2] * scale);
447 outinv12f[ 9] = (float)(out12f[ 6] * scale);
448 outinv12f[10] = (float)(out12f[10] * scale);
450 // invert the translate
451 outinv12f[ 3] = -(out12f[ 3] * outinv12f[ 0] + out12f[ 7] * outinv12f[ 1] + out12f[11] * outinv12f[ 2]);
452 outinv12f[ 7] = -(out12f[ 3] * outinv12f[ 4] + out12f[ 7] * outinv12f[ 5] + out12f[11] * outinv12f[ 6]);
453 outinv12f[11] = -(out12f[ 3] * outinv12f[ 8] + out12f[ 7] * outinv12f[ 9] + out12f[11] * outinv12f[10]);
455 Mem_Free(basebonepose);
458 static void Mod_Alias_CalculateBoundingBox(void)
462 qboolean firstvertex = true;
463 float dist, yawradius, radius;
466 frameblend_t frameblend[4];
467 memset(frameblend, 0, sizeof(frameblend));
468 frameblend[0].lerp = 1;
469 vertex3f = Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3]));
470 VectorClear(loadmodel->normalmins);
471 VectorClear(loadmodel->normalmaxs);
474 for (i = 0;i < loadmodel->numframes;i++)
476 for (j = 0, frameblend[0].frame = loadmodel->animscenes[i].firstframe;j < loadmodel->animscenes[i].framecount;j++, frameblend[0].frame++)
478 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, vertex3f, NULL, NULL, NULL);
479 for (vnum = 0, v = vertex3f;vnum < loadmodel->surfmesh.num_vertices;vnum++, v += 3)
484 VectorCopy(v, loadmodel->normalmins);
485 VectorCopy(v, loadmodel->normalmaxs);
489 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
490 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
491 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
492 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
493 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
494 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
496 dist = v[0] * v[0] + v[1] * v[1];
497 if (yawradius < dist)
506 radius = sqrt(radius);
507 yawradius = sqrt(yawradius);
508 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
509 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
510 loadmodel->yawmins[2] = loadmodel->normalmins[2];
511 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
512 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
513 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
514 loadmodel->radius = radius;
515 loadmodel->radius2 = radius * radius;
518 static void Mod_Alias_Mesh_CompileFrameZero(void)
520 frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
521 loadmodel->surfmesh.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3][4]));
522 loadmodel->surfmesh.data_svector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 3;
523 loadmodel->surfmesh.data_tvector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 6;
524 loadmodel->surfmesh.data_normal3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 9;
525 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f);
528 static void Mod_MDLMD2MD3_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask)
531 float segmentmins[3], segmentmaxs[3];
532 frameblend_t frameblend[4];
534 static int maxvertices = 0;
535 static float *vertex3f = NULL;
536 memset(trace, 0, sizeof(*trace));
538 trace->realfraction = 1;
539 trace->hitsupercontentsmask = hitsupercontentsmask;
540 memset(frameblend, 0, sizeof(frameblend));
541 frameblend[0].frame = frame;
542 frameblend[0].lerp = 1;
543 if (maxvertices < model->surfmesh.num_vertices)
547 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
548 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
550 if (VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
553 segmentmins[0] = min(start[0], end[0]) - 1;
554 segmentmins[1] = min(start[1], end[1]) - 1;
555 segmentmins[2] = min(start[2], end[2]) - 1;
556 segmentmaxs[0] = max(start[0], end[0]) + 1;
557 segmentmaxs[1] = max(start[1], end[1]) + 1;
558 segmentmaxs[2] = max(start[2], end[2]) + 1;
559 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
561 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
562 Collision_TraceLineTriangleMeshFloat(trace, start, end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
567 // box trace, performed as brush trace
568 colbrushf_t *thisbrush_start, *thisbrush_end;
569 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
570 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
571 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
572 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
573 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
574 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
575 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
576 VectorAdd(start, boxmins, boxstartmins);
577 VectorAdd(start, boxmaxs, boxstartmaxs);
578 VectorAdd(end, boxmins, boxendmins);
579 VectorAdd(end, boxmaxs, boxendmaxs);
580 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
581 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
582 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
584 if (maxvertices < model->surfmesh.num_vertices)
588 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
589 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
591 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
592 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
597 static void Mod_ConvertAliasVerts (int inverts, trivertx_t *v, trivertx_t *out, int *vertremap)
600 for (i = 0;i < inverts;i++)
602 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
604 j = vertremap[i]; // not onseam
607 j = vertremap[i+inverts]; // onseam
613 static void Mod_MDL_LoadFrames (unsigned char* datapointer, int inverts, int *vertremap)
615 int i, f, pose, groupframes;
617 daliasframetype_t *pframetype;
618 daliasframe_t *pinframe;
619 daliasgroup_t *group;
620 daliasinterval_t *intervals;
623 scene = loadmodel->animscenes;
624 for (f = 0;f < loadmodel->numframes;f++)
626 pframetype = (daliasframetype_t *)datapointer;
627 datapointer += sizeof(daliasframetype_t);
628 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
630 // a single frame is still treated as a group
637 group = (daliasgroup_t *)datapointer;
638 datapointer += sizeof(daliasgroup_t);
639 groupframes = LittleLong (group->numframes);
641 // intervals (time per frame)
642 intervals = (daliasinterval_t *)datapointer;
643 datapointer += sizeof(daliasinterval_t) * groupframes;
645 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
646 if (interval < 0.01f)
648 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
653 // get scene name from first frame
654 pinframe = (daliasframe_t *)datapointer;
656 strlcpy(scene->name, pinframe->name, sizeof(scene->name));
657 scene->firstframe = pose;
658 scene->framecount = groupframes;
659 scene->framerate = 1.0f / interval;
664 for (i = 0;i < groupframes;i++)
666 pinframe = (daliasframe_t *)datapointer;
667 datapointer += sizeof(daliasframe_t);
668 Mod_ConvertAliasVerts(inverts, (trivertx_t *)datapointer, loadmodel->surfmesh.data_morphmdlvertex + pose * loadmodel->surfmesh.num_vertices, vertremap);
669 datapointer += sizeof(trivertx_t) * inverts;
675 static void Mod_BuildAliasSkinFromSkinFrame(texture_t *texture, skinframe_t *skinframe)
677 if (cls.state == ca_dedicated)
681 skinframe = R_SkinFrame_LoadMissing();
682 memset(texture, 0, sizeof(*texture));
683 texture->currentframe = texture;
684 //texture->animated = false;
685 texture->numskinframes = 1;
686 texture->skinframerate = 1;
687 texture->skinframes[0] = skinframe;
688 texture->currentskinframe = skinframe;
689 //texture->backgroundnumskinframes = 0;
690 //texture->customblendfunc[0] = 0;
691 //texture->customblendfunc[1] = 0;
692 //texture->surfaceflags = 0;
693 //texture->supercontents = 0;
694 //texture->surfaceparms = 0;
695 //texture->textureflags = 0;
697 texture->basematerialflags = MATERIALFLAG_WALL;
698 if (texture->currentskinframe->fog)
699 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
700 texture->currentmaterialflags = texture->basematerialflags;
703 static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
706 skinfileitem_t *skinfileitem;
707 skinframe_t *tempskinframe;
710 // the skin += loadmodel->num_surfaces part of this is because data_textures on alias models is arranged as [numskins][numsurfaces]
711 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin += loadmodel->num_surfaces)
713 memset(skin, 0, sizeof(*skin));
715 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
717 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
718 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
720 if (!Mod_LoadTextureFromQ3Shader(skin, skinfileitem->replacement, false, false, true))
722 tempskinframe = R_SkinFrame_LoadExternal(skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false);
724 if (cls.state != ca_dedicated)
725 Con_DPrintf("mesh \"%s\": failed to load skin #%i \"%s\"\n", meshname, i, skinfileitem->replacement);
726 Mod_BuildAliasSkinFromSkinFrame(skin, tempskinframe);
733 // don't render unmentioned meshes
734 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
735 skin->basematerialflags = skin->currentmaterialflags = 0;
741 if (!Mod_LoadTextureFromQ3Shader(skin, shadername, false, false, true))
743 tempskinframe = R_SkinFrame_LoadExternal(shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false);
745 if (cls.state != ca_dedicated)
746 Con_Printf("Can't find texture \"%s\" for mesh \"%s\", using grey checkerboard\n", shadername, meshname);
747 Mod_BuildAliasSkinFromSkinFrame(skin, tempskinframe);
752 #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);
753 #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);
754 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend)
756 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
757 float scales, scalet, interval;
761 stvert_t *pinstverts;
762 dtriangle_t *pintriangles;
763 daliasskintype_t *pinskintype;
764 daliasskingroup_t *pinskingroup;
765 daliasskininterval_t *pinskinintervals;
766 daliasframetype_t *pinframetype;
767 daliasgroup_t *pinframegroup;
768 unsigned char *datapointer, *startframes, *startskins;
769 char name[MAX_QPATH];
770 skinframe_t *tempskinframe;
771 animscene_t *tempskinscenes;
772 texture_t *tempaliasskins;
774 int *vertonseam, *vertremap;
775 skinfile_t *skinfiles;
777 datapointer = (unsigned char *)buffer;
778 pinmodel = (mdl_t *)datapointer;
779 datapointer += sizeof(mdl_t);
781 version = LittleLong (pinmodel->version);
782 if (version != ALIAS_VERSION)
783 Host_Error ("%s has wrong version number (%i should be %i)",
784 loadmodel->name, version, ALIAS_VERSION);
786 loadmodel->type = mod_alias;
787 loadmodel->DrawSky = NULL;
788 loadmodel->Draw = R_Q1BSP_Draw;
789 loadmodel->DrawDepth = R_Q1BSP_DrawDepth;
790 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
791 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
792 loadmodel->DrawLight = R_Q1BSP_DrawLight;
793 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
795 loadmodel->num_surfaces = 1;
796 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
797 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int));
798 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
799 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
800 loadmodel->surfacelist[0] = 0;
802 loadmodel->numskins = LittleLong(pinmodel->numskins);
803 BOUNDI(loadmodel->numskins,0,65536);
804 skinwidth = LittleLong (pinmodel->skinwidth);
805 BOUNDI(skinwidth,0,65536);
806 skinheight = LittleLong (pinmodel->skinheight);
807 BOUNDI(skinheight,0,65536);
808 numverts = LittleLong(pinmodel->numverts);
809 BOUNDI(numverts,0,65536);
810 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->numtris);
811 BOUNDI(loadmodel->surfmesh.num_triangles,0,65536);
812 loadmodel->numframes = LittleLong(pinmodel->numframes);
813 BOUNDI(loadmodel->numframes,0,65536);
814 loadmodel->synctype = (synctype_t)LittleLong (pinmodel->synctype);
815 BOUNDI(loadmodel->synctype,0,2);
816 // convert model flags to EF flags (MF_ROCKET becomes EF_ROCKET, etc)
817 i = LittleLong (pinmodel->flags);
818 loadmodel->effects = ((i & 255) << 24) | (i & 0x00FFFF00);
820 for (i = 0;i < 3;i++)
822 loadmodel->surfmesh.num_morphmdlframescale[i] = LittleFloat (pinmodel->scale[i]);
823 loadmodel->surfmesh.num_morphmdlframetranslate[i] = LittleFloat (pinmodel->scale_origin[i]);
826 startskins = datapointer;
828 for (i = 0;i < loadmodel->numskins;i++)
830 pinskintype = (daliasskintype_t *)datapointer;
831 datapointer += sizeof(daliasskintype_t);
832 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
836 pinskingroup = (daliasskingroup_t *)datapointer;
837 datapointer += sizeof(daliasskingroup_t);
838 groupskins = LittleLong(pinskingroup->numskins);
839 datapointer += sizeof(daliasskininterval_t) * groupskins;
842 for (j = 0;j < groupskins;j++)
844 datapointer += skinwidth * skinheight;
849 pinstverts = (stvert_t *)datapointer;
850 datapointer += sizeof(stvert_t) * numverts;
852 pintriangles = (dtriangle_t *)datapointer;
853 datapointer += sizeof(dtriangle_t) * loadmodel->surfmesh.num_triangles;
855 startframes = datapointer;
856 loadmodel->surfmesh.num_morphframes = 0;
857 for (i = 0;i < loadmodel->numframes;i++)
859 pinframetype = (daliasframetype_t *)datapointer;
860 datapointer += sizeof(daliasframetype_t);
861 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
865 pinframegroup = (daliasgroup_t *)datapointer;
866 datapointer += sizeof(daliasgroup_t);
867 groupframes = LittleLong(pinframegroup->numframes);
868 datapointer += sizeof(daliasinterval_t) * groupframes;
871 for (j = 0;j < groupframes;j++)
873 datapointer += sizeof(daliasframe_t);
874 datapointer += sizeof(trivertx_t) * numverts;
875 loadmodel->surfmesh.num_morphframes++;
879 // store texture coordinates into temporary array, they will be stored
880 // after usage is determined (triangle data)
881 vertst = (float *)Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
882 vertremap = (int *)Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
883 vertonseam = vertremap + numverts * 2;
885 scales = 1.0 / skinwidth;
886 scalet = 1.0 / skinheight;
887 for (i = 0;i < numverts;i++)
889 vertonseam[i] = LittleLong(pinstverts[i].onseam);
890 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
891 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
892 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
893 vertst[(i+numverts)*2+1] = vertst[i*2+1];
896 // load triangle data
897 loadmodel->surfmesh.data_element3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->surfmesh.num_triangles);
899 // read the triangle elements
900 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
901 for (j = 0;j < 3;j++)
902 loadmodel->surfmesh.data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
903 // validate (note numverts is used because this is the original data)
904 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, numverts, __FILE__, __LINE__);
905 // now butcher the elements according to vertonseam and tri->facesfront
906 // and then compact the vertex set to remove duplicates
907 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
908 if (!LittleLong(pintriangles[i].facesfront)) // backface
909 for (j = 0;j < 3;j++)
910 if (vertonseam[loadmodel->surfmesh.data_element3i[i*3+j]])
911 loadmodel->surfmesh.data_element3i[i*3+j] += numverts;
913 // (this uses vertremap to count usage to save some memory)
914 for (i = 0;i < numverts*2;i++)
916 for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
917 vertremap[loadmodel->surfmesh.data_element3i[i]]++;
918 // build remapping table and compact array
919 loadmodel->surfmesh.num_vertices = 0;
920 for (i = 0;i < numverts*2;i++)
924 vertremap[i] = loadmodel->surfmesh.num_vertices;
925 vertst[loadmodel->surfmesh.num_vertices*2+0] = vertst[i*2+0];
926 vertst[loadmodel->surfmesh.num_vertices*2+1] = vertst[i*2+1];
927 loadmodel->surfmesh.num_vertices++;
930 vertremap[i] = -1; // not used at all
932 // remap the elements to the new vertex set
933 for (i = 0;i < loadmodel->surfmesh.num_triangles * 3;i++)
934 loadmodel->surfmesh.data_element3i[i] = vertremap[loadmodel->surfmesh.data_element3i[i]];
935 // store the texture coordinates
936 loadmodel->surfmesh.data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->surfmesh.num_vertices);
937 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
939 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = vertst[i*2+0];
940 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = vertst[i*2+1];
944 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
945 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)Mem_Alloc(loadmodel->mempool, sizeof(trivertx_t) * loadmodel->surfmesh.num_morphframes * loadmodel->surfmesh.num_vertices);
946 loadmodel->surfmesh.data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
947 Mod_MDL_LoadFrames (startframes, numverts, vertremap);
948 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
949 Mod_Alias_CalculateBoundingBox();
950 Mod_Alias_Mesh_CompileFrameZero();
956 skinfiles = Mod_LoadSkinFiles();
957 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
958 loadmodel->num_textures = loadmodel->num_surfaces * totalskins;
959 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
960 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
963 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
964 Mod_FreeSkinFiles(skinfiles);
965 for (i = 0;i < loadmodel->numskins;i++)
967 loadmodel->skinscenes[i].firstframe = i;
968 loadmodel->skinscenes[i].framecount = 1;
969 loadmodel->skinscenes[i].loop = true;
970 loadmodel->skinscenes[i].framerate = 10;
976 datapointer = startskins;
977 for (i = 0;i < loadmodel->numskins;i++)
979 pinskintype = (daliasskintype_t *)datapointer;
980 datapointer += sizeof(daliasskintype_t);
982 if (pinskintype->type == ALIAS_SKIN_SINGLE)
989 pinskingroup = (daliasskingroup_t *)datapointer;
990 datapointer += sizeof(daliasskingroup_t);
992 groupskins = LittleLong (pinskingroup->numskins);
994 pinskinintervals = (daliasskininterval_t *)datapointer;
995 datapointer += sizeof(daliasskininterval_t) * groupskins;
997 interval = LittleFloat(pinskinintervals[0].interval);
998 if (interval < 0.01f)
1000 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
1005 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
1006 loadmodel->skinscenes[i].firstframe = totalskins;
1007 loadmodel->skinscenes[i].framecount = groupskins;
1008 loadmodel->skinscenes[i].framerate = 1.0f / interval;
1009 loadmodel->skinscenes[i].loop = true;
1011 for (j = 0;j < groupskins;j++)
1014 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
1016 sprintf (name, "%s_%i", loadmodel->name, i);
1017 if (!Mod_LoadTextureFromQ3Shader(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, name, false, false, true))
1019 tempskinframe = R_SkinFrame_LoadExternal(name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, false);
1021 tempskinframe = R_SkinFrame_LoadInternal(name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP, true, r_fullbrights.integer, (unsigned char *)datapointer, skinwidth, skinheight, 8, NULL, NULL);
1022 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, tempskinframe);
1024 datapointer += skinwidth * skinheight;
1028 // check for skins that don't exist in the model, but do exist as external images
1029 // (this was added because yummyluv kept pestering me about support for it)
1030 // TODO: support shaders here?
1031 while ((tempskinframe = R_SkinFrame_LoadExternal(va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, false)))
1033 // expand the arrays to make room
1034 tempskinscenes = loadmodel->skinscenes;
1035 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
1036 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
1037 Mem_Free(tempskinscenes);
1039 tempaliasskins = loadmodel->data_textures;
1040 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * (totalskins + 1) * sizeof(texture_t));
1041 memcpy(loadmodel->data_textures, tempaliasskins, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
1042 Mem_Free(tempaliasskins);
1044 // store the info about the new skin
1045 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, tempskinframe);
1046 strlcpy(loadmodel->skinscenes[loadmodel->numskins].name, name, sizeof(loadmodel->skinscenes[loadmodel->numskins].name));
1047 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
1048 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
1049 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
1050 loadmodel->skinscenes[loadmodel->numskins].loop = true;
1052 //increase skin counts
1053 loadmodel->numskins++;
1056 // fix up the pointers since they are pointing at the old textures array
1057 // FIXME: this is a hack!
1058 for (j = 0;j < loadmodel->numskins * loadmodel->num_surfaces;j++)
1059 loadmodel->data_textures[j].currentframe = &loadmodel->data_textures[j];
1063 surface = loadmodel->data_surfaces;
1064 surface->texture = loadmodel->data_textures;
1065 surface->num_firsttriangle = 0;
1066 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1067 surface->num_firstvertex = 0;
1068 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1070 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1073 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
1075 int i, j, hashindex, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end;
1076 float iskinwidth, iskinheight;
1077 unsigned char *data;
1078 msurface_t *surface;
1080 unsigned char *base, *datapointer;
1081 md2frame_t *pinframe;
1083 md2triangle_t *intri;
1084 unsigned short *inst;
1085 struct md2verthash_s
1087 struct md2verthash_s *next;
1091 *hash, **md2verthash, *md2verthashdata;
1092 skinframe_t *tempskinframe;
1093 skinfile_t *skinfiles;
1095 pinmodel = (md2_t *)buffer;
1096 base = (unsigned char *)buffer;
1098 version = LittleLong (pinmodel->version);
1099 if (version != MD2ALIAS_VERSION)
1100 Host_Error ("%s has wrong version number (%i should be %i)",
1101 loadmodel->name, version, MD2ALIAS_VERSION);
1103 loadmodel->type = mod_alias;
1104 loadmodel->DrawSky = NULL;
1105 loadmodel->Draw = R_Q1BSP_Draw;
1106 loadmodel->DrawDepth = R_Q1BSP_DrawDepth;
1107 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1108 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1109 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1110 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1112 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
1113 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
1114 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
1115 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
1116 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
1117 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
1118 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
1119 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
1121 end = LittleLong(pinmodel->ofs_end);
1122 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
1123 Host_Error ("%s is not a valid model", loadmodel->name);
1124 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
1125 Host_Error ("%s is not a valid model", loadmodel->name);
1126 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
1127 Host_Error ("%s is not a valid model", loadmodel->name);
1128 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
1129 Host_Error ("%s is not a valid model", loadmodel->name);
1130 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
1131 Host_Error ("%s is not a valid model", loadmodel->name);
1133 loadmodel->numskins = LittleLong(pinmodel->num_skins);
1134 numxyz = LittleLong(pinmodel->num_xyz);
1135 numst = LittleLong(pinmodel->num_st);
1136 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->num_tris);
1137 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1138 loadmodel->surfmesh.num_morphframes = loadmodel->numframes;
1139 skinwidth = LittleLong(pinmodel->skinwidth);
1140 skinheight = LittleLong(pinmodel->skinheight);
1141 iskinwidth = 1.0f / skinwidth;
1142 iskinheight = 1.0f / skinheight;
1144 loadmodel->num_surfaces = 1;
1145 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1146 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]));
1147 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1148 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1149 loadmodel->surfacelist[0] = 0;
1150 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1151 loadmodel->surfmesh.data_morphmd2framesize6f = (float *)data;data += loadmodel->numframes * sizeof(float[6]);
1152 loadmodel->surfmesh.data_element3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1153 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1155 loadmodel->synctype = ST_RAND;
1158 inskin = (char *)(base + LittleLong(pinmodel->ofs_skins));
1159 skinfiles = Mod_LoadSkinFiles();
1162 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1163 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1164 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1165 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
1166 Mod_FreeSkinFiles(skinfiles);
1168 else if (loadmodel->numskins)
1170 // skins found (most likely not a player model)
1171 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1172 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1173 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1174 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
1176 if (!Mod_LoadTextureFromQ3Shader(loadmodel->data_textures + i * loadmodel->num_surfaces, inskin, false, false, true))
1178 tempskinframe = R_SkinFrame_LoadExternal(inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false);
1180 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
1181 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, tempskinframe);
1187 // no skins (most likely a player model)
1188 loadmodel->numskins = 1;
1189 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1190 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1191 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1192 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures, NULL);
1195 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1196 for (i = 0;i < loadmodel->numskins;i++)
1198 loadmodel->skinscenes[i].firstframe = i;
1199 loadmodel->skinscenes[i].framecount = 1;
1200 loadmodel->skinscenes[i].loop = true;
1201 loadmodel->skinscenes[i].framerate = 10;
1204 // load the triangles and stvert data
1205 inst = (unsigned short *)(base + LittleLong(pinmodel->ofs_st));
1206 intri = (md2triangle_t *)(base + LittleLong(pinmodel->ofs_tris));
1207 md2verthash = (struct md2verthash_s **)Mem_Alloc(tempmempool, 65536 * sizeof(hash));
1208 md2verthashdata = (struct md2verthash_s *)Mem_Alloc(tempmempool, loadmodel->surfmesh.num_triangles * 3 * sizeof(*hash));
1209 // swap the triangle list
1210 loadmodel->surfmesh.num_vertices = 0;
1211 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
1213 for (j = 0;j < 3;j++)
1215 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
1216 st = (unsigned short) LittleShort (intri[i].index_st[j]);
1219 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
1224 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
1227 hashindex = (xyz * 256 + st) & 65535;
1228 for (hash = md2verthash[hashindex];hash;hash = hash->next)
1229 if (hash->xyz == xyz && hash->st == st)
1233 hash = md2verthashdata + loadmodel->surfmesh.num_vertices++;
1236 hash->next = md2verthash[hashindex];
1237 md2verthash[hashindex] = hash;
1239 loadmodel->surfmesh.data_element3i[i*3+j] = (hash - md2verthashdata);
1243 vertremap = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(int));
1244 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));
1245 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
1246 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)data;data += loadmodel->surfmesh.num_vertices * loadmodel->surfmesh.num_morphframes * sizeof(trivertx_t);
1247 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
1250 hash = md2verthashdata + i;
1251 vertremap[i] = hash->xyz;
1252 sts = LittleShort(inst[hash->st*2+0]);
1253 stt = LittleShort(inst[hash->st*2+1]);
1254 if (sts < 0 || sts >= skinwidth || stt < 0 || stt >= skinheight)
1256 Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, sts, stt, i);
1260 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = sts * iskinwidth;
1261 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = stt * iskinheight;
1264 Mem_Free(md2verthash);
1265 Mem_Free(md2verthashdata);
1268 datapointer = (base + LittleLong(pinmodel->ofs_frames));
1269 for (i = 0;i < loadmodel->surfmesh.num_morphframes;i++)
1274 pinframe = (md2frame_t *)datapointer;
1275 datapointer += sizeof(md2frame_t);
1276 // store the frame scale/translate into the appropriate array
1277 for (j = 0;j < 3;j++)
1279 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+j] = LittleFloat(pinframe->scale[j]);
1280 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+3+j] = LittleFloat(pinframe->translate[j]);
1282 // convert the vertices
1283 v = (trivertx_t *)datapointer;
1284 out = loadmodel->surfmesh.data_morphmdlvertex + i * loadmodel->surfmesh.num_vertices;
1285 for (k = 0;k < loadmodel->surfmesh.num_vertices;k++)
1286 out[k] = v[vertremap[k]];
1287 datapointer += numxyz * sizeof(trivertx_t);
1289 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1290 loadmodel->animscenes[i].firstframe = i;
1291 loadmodel->animscenes[i].framecount = 1;
1292 loadmodel->animscenes[i].framerate = 10;
1293 loadmodel->animscenes[i].loop = true;
1296 Mem_Free(vertremap);
1298 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1299 Mod_Alias_CalculateBoundingBox();
1300 Mod_Alias_Mesh_CompileFrameZero();
1302 surface = loadmodel->data_surfaces;
1303 surface->texture = loadmodel->data_textures;
1304 surface->num_firsttriangle = 0;
1305 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1306 surface->num_firstvertex = 0;
1307 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1309 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1312 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
1314 int i, j, k, version, meshvertices, meshtriangles;
1315 unsigned char *data;
1316 msurface_t *surface;
1317 md3modelheader_t *pinmodel;
1318 md3frameinfo_t *pinframe;
1321 skinfile_t *skinfiles;
1323 pinmodel = (md3modelheader_t *)buffer;
1325 if (memcmp(pinmodel->identifier, "IDP3", 4))
1326 Host_Error ("%s is not a MD3 (IDP3) file", loadmodel->name);
1327 version = LittleLong (pinmodel->version);
1328 if (version != MD3VERSION)
1329 Host_Error ("%s has wrong version number (%i should be %i)",
1330 loadmodel->name, version, MD3VERSION);
1332 skinfiles = Mod_LoadSkinFiles();
1333 if (loadmodel->numskins < 1)
1334 loadmodel->numskins = 1;
1336 loadmodel->type = mod_alias;
1337 loadmodel->DrawSky = NULL;
1338 loadmodel->Draw = R_Q1BSP_Draw;
1339 loadmodel->DrawDepth = R_Q1BSP_DrawDepth;
1340 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1341 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1342 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1343 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1344 loadmodel->synctype = ST_RAND;
1345 // convert model flags to EF flags (MF_ROCKET becomes EF_ROCKET, etc)
1346 i = LittleLong (pinmodel->flags);
1347 loadmodel->effects = ((i & 255) << 24) | (i & 0x00FFFF00);
1349 // set up some global info about the model
1350 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1351 loadmodel->num_surfaces = LittleLong(pinmodel->num_meshes);
1353 // make skinscenes for the skins (no groups)
1354 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1355 for (i = 0;i < loadmodel->numskins;i++)
1357 loadmodel->skinscenes[i].firstframe = i;
1358 loadmodel->skinscenes[i].framecount = 1;
1359 loadmodel->skinscenes[i].loop = true;
1360 loadmodel->skinscenes[i].framerate = 10;
1364 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
1365 for (i = 0, pinframe = (md3frameinfo_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
1367 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1368 loadmodel->animscenes[i].firstframe = i;
1369 loadmodel->animscenes[i].framecount = 1;
1370 loadmodel->animscenes[i].framerate = 10;
1371 loadmodel->animscenes[i].loop = true;
1375 loadmodel->num_tagframes = loadmodel->numframes;
1376 loadmodel->num_tags = LittleLong(pinmodel->num_tags);
1377 loadmodel->data_tags = (aliastag_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_tagframes * loadmodel->num_tags * sizeof(aliastag_t));
1378 for (i = 0, pintag = (md3tag_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->num_tagframes * loadmodel->num_tags;i++, pintag++)
1380 strlcpy(loadmodel->data_tags[i].name, pintag->name, sizeof(loadmodel->data_tags[i].name));
1381 for (j = 0;j < 9;j++)
1382 loadmodel->data_tags[i].matrixgl[j] = LittleFloat(pintag->rotationmatrix[j]);
1383 for (j = 0;j < 3;j++)
1384 loadmodel->data_tags[i].matrixgl[9+j] = LittleFloat(pintag->origin[j]);
1385 //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);
1391 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)))
1393 if (memcmp(pinmesh->identifier, "IDP3", 4))
1394 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1395 if (LittleLong(pinmesh->num_frames) != loadmodel->numframes)
1396 Host_Error("Mod_IDP3_Load: mesh numframes differs from header");
1397 meshvertices += LittleLong(pinmesh->num_vertices);
1398 meshtriangles += LittleLong(pinmesh->num_triangles);
1401 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1402 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1403 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1404 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));
1405 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1406 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1407 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1408 loadmodel->surfmesh.num_vertices = meshvertices;
1409 loadmodel->surfmesh.num_triangles = meshtriangles;
1410 loadmodel->surfmesh.num_morphframes = loadmodel->numframes; // TODO: remove?
1411 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1412 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1413 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1414 loadmodel->surfmesh.data_morphmd3vertex = (md3vertex_t *)data;data += meshvertices * loadmodel->numframes * sizeof(md3vertex_t);
1418 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)))
1420 if (memcmp(pinmesh->identifier, "IDP3", 4))
1421 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1422 loadmodel->surfacelist[i] = i;
1423 surface = loadmodel->data_surfaces + i;
1424 surface->texture = loadmodel->data_textures + i;
1425 surface->num_firsttriangle = meshtriangles;
1426 surface->num_triangles = LittleLong(pinmesh->num_triangles);
1427 surface->num_firstvertex = meshvertices;
1428 surface->num_vertices = LittleLong(pinmesh->num_vertices);
1429 meshvertices += surface->num_vertices;
1430 meshtriangles += surface->num_triangles;
1432 for (j = 0;j < surface->num_triangles * 3;j++)
1433 loadmodel->surfmesh.data_element3i[j + surface->num_firsttriangle * 3] = surface->num_firstvertex + LittleLong(((int *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1434 for (j = 0;j < surface->num_vertices;j++)
1436 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 0] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1437 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 1] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1439 for (j = 0;j < loadmodel->numframes;j++)
1441 const md3vertex_t *in = (md3vertex_t *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)) + j * surface->num_vertices;
1442 md3vertex_t *out = loadmodel->surfmesh.data_morphmd3vertex + surface->num_firstvertex + j * loadmodel->surfmesh.num_vertices;
1443 for (k = 0;k < surface->num_vertices;k++, in++, out++)
1445 out->origin[0] = LittleShort(in->origin[0]);
1446 out->origin[1] = LittleShort(in->origin[1]);
1447 out->origin[2] = LittleShort(in->origin[2]);
1448 out->pitch = in->pitch;
1453 if (LittleLong(pinmesh->num_shaders) >= 1)
1454 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, pinmesh->name, ((md3shader_t *)((unsigned char *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1456 for (j = 0;j < loadmodel->numskins;j++)
1457 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1459 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
1461 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1462 Mod_Alias_Mesh_CompileFrameZero();
1463 Mod_Alias_CalculateBoundingBox();
1464 Mod_FreeSkinFiles(skinfiles);
1466 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1469 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1471 zymtype1header_t *pinmodel, *pheader;
1472 unsigned char *pbase;
1473 int i, j, k, numposes, meshvertices, meshtriangles, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements;
1474 float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f, *bonepose;
1475 zymvertex_t *verts, *vertdata;
1479 skinfile_t *skinfiles;
1480 unsigned char *data;
1481 msurface_t *surface;
1483 pinmodel = (zymtype1header_t *)buffer;
1484 pbase = (unsigned char *)buffer;
1485 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1486 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model", loadmodel->name);
1487 if (BigLong(pinmodel->type) != 1)
1488 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1490 loadmodel->type = mod_alias;
1491 loadmodel->synctype = ST_RAND;
1495 pheader->type = BigLong(pinmodel->type);
1496 pheader->filesize = BigLong(pinmodel->filesize);
1497 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1498 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1499 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1500 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1501 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1502 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1503 pheader->radius = BigFloat(pinmodel->radius);
1504 pheader->numverts = BigLong(pinmodel->numverts);
1505 pheader->numtris = BigLong(pinmodel->numtris);
1506 pheader->numshaders = BigLong(pinmodel->numshaders);
1507 pheader->numbones = BigLong(pinmodel->numbones);
1508 pheader->numscenes = BigLong(pinmodel->numscenes);
1509 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1510 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1511 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1512 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1513 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1514 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1515 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1516 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1517 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1518 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1519 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1520 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1521 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1522 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1523 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1524 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1525 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1526 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1528 if (pheader->numtris < 1 || pheader->numverts < 3 || pheader->numshaders < 1)
1530 Con_Printf("%s has no geometry\n", loadmodel->name);
1533 if (pheader->numscenes < 1 || pheader->lump_poses.length < (int)sizeof(float[3][4]))
1535 Con_Printf("%s has no animations\n", loadmodel->name);
1539 loadmodel->DrawSky = NULL;
1540 loadmodel->Draw = R_Q1BSP_Draw;
1541 loadmodel->DrawDepth = R_Q1BSP_DrawDepth;
1542 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1543 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1544 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1545 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1547 loadmodel->numframes = pheader->numscenes;
1548 loadmodel->num_surfaces = pheader->numshaders;
1550 skinfiles = Mod_LoadSkinFiles();
1551 if (loadmodel->numskins < 1)
1552 loadmodel->numskins = 1;
1554 // make skinscenes for the skins (no groups)
1555 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1556 for (i = 0;i < loadmodel->numskins;i++)
1558 loadmodel->skinscenes[i].firstframe = i;
1559 loadmodel->skinscenes[i].framecount = 1;
1560 loadmodel->skinscenes[i].loop = true;
1561 loadmodel->skinscenes[i].framerate = 10;
1565 modelradius = pheader->radius;
1566 for (i = 0;i < 3;i++)
1568 loadmodel->normalmins[i] = pheader->mins[i];
1569 loadmodel->normalmaxs[i] = pheader->maxs[i];
1570 loadmodel->rotatedmins[i] = -modelradius;
1571 loadmodel->rotatedmaxs[i] = modelradius;
1573 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1574 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1575 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1576 if (loadmodel->yawmaxs[0] > modelradius)
1577 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1578 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1579 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1580 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1581 loadmodel->radius = modelradius;
1582 loadmodel->radius2 = modelradius * modelradius;
1584 // go through the lumps, swapping things
1586 //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1587 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1588 scene = (zymscene_t *) (pheader->lump_scenes.start + pbase);
1589 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1590 for (i = 0;i < pheader->numscenes;i++)
1592 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1593 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1594 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1595 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1596 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1597 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1598 Host_Error("%s scene->firstframe (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1599 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1600 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1601 if (loadmodel->animscenes[i].framerate < 0)
1602 Host_Error("%s scene->framerate (%f) < 0", loadmodel->name, loadmodel->animscenes[i].framerate);
1606 //zymlump_t lump_bones; // zymbone_t bone[numbones];
1607 loadmodel->num_bones = pheader->numbones;
1608 loadmodel->data_bones = (aliasbone_t *)Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1609 bone = (zymbone_t *) (pheader->lump_bones.start + pbase);
1610 for (i = 0;i < pheader->numbones;i++)
1612 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1613 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1614 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1615 if (loadmodel->data_bones[i].parent >= i)
1616 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1619 //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1620 vertbonecounts = (int *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1621 bonecount = (int *) (pheader->lump_vertbonecounts.start + pbase);
1622 for (i = 0;i < pheader->numverts;i++)
1624 vertbonecounts[i] = BigLong(bonecount[i]);
1625 if (vertbonecounts[i] != 1)
1626 Host_Error("%s bonecount[%i] != 1 (vertex weight support is impossible in this format)", loadmodel->name, i);
1629 loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1631 meshvertices = pheader->numverts;
1632 meshtriangles = pheader->numtris;
1634 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1635 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1636 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1637 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * sizeof(float[14]) + meshvertices * sizeof(int[4]) + meshvertices * sizeof(float[4]) + loadmodel->num_poses * sizeof(float[12]) + loadmodel->num_bones * sizeof(float[12]));
1638 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1639 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1640 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1641 loadmodel->surfmesh.num_vertices = meshvertices;
1642 loadmodel->surfmesh.num_triangles = meshtriangles;
1643 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1644 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1645 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1646 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1647 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1648 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1649 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1650 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1651 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1652 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1653 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
1655 //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1656 poses = (float *) (pheader->lump_poses.start + pbase);
1657 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1658 loadmodel->data_poses[i] = BigFloat(poses[i]);
1660 //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1661 verts = (zymvertex_t *)Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1662 vertdata = (zymvertex_t *) (pheader->lump_verts.start + pbase);
1663 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1664 // (converting from weight-blending skeletal animation to
1665 // deformation-based skeletal animation)
1666 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1667 for (i = 0;i < loadmodel->num_bones;i++)
1669 const float *m = loadmodel->data_poses + i * 12;
1670 if (loadmodel->data_bones[i].parent >= 0)
1671 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1673 for (k = 0;k < 12;k++)
1674 bonepose[12*i+k] = m[k];
1676 for (j = 0;j < pheader->numverts;j++)
1678 // this format really should have had a per vertexweight weight value...
1679 // but since it does not, the weighting is completely ignored and
1680 // only one weight is allowed per vertex
1681 int boneindex = BigLong(vertdata[j].bonenum);
1682 const float *m = bonepose + 12 * boneindex;
1683 float relativeorigin[3];
1684 relativeorigin[0] = BigFloat(vertdata[j].origin[0]);
1685 relativeorigin[1] = BigFloat(vertdata[j].origin[1]);
1686 relativeorigin[2] = BigFloat(vertdata[j].origin[2]);
1687 // transform the vertex bone weight into the base mesh
1688 loadmodel->surfmesh.data_vertex3f[j*3+0] = relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + m[ 3];
1689 loadmodel->surfmesh.data_vertex3f[j*3+1] = relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + m[ 7];
1690 loadmodel->surfmesh.data_vertex3f[j*3+2] = relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + m[11];
1691 // store the weight as the primary weight on this vertex
1692 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1693 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = 1;
1696 // normals and tangents are calculated after elements are loaded
1698 //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1699 outtexcoord2f = loadmodel->surfmesh.data_texcoordtexture2f;
1700 intexcoord2f = (float *) (pheader->lump_texcoords.start + pbase);
1701 for (i = 0;i < pheader->numverts;i++)
1703 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1704 // flip T coordinate for OpenGL
1705 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1708 //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1709 //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1710 //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1712 //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1713 //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)
1714 // byteswap, validate, and swap winding order of tris
1715 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1716 if (pheader->lump_render.length != count)
1717 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)", loadmodel->name, pheader->lump_render.length, count);
1718 renderlist = (int *) (pheader->lump_render.start + pbase);
1719 renderlistend = (int *) ((unsigned char *) renderlist + pheader->lump_render.length);
1721 for (i = 0;i < loadmodel->num_surfaces;i++)
1723 int firstvertex, lastvertex;
1724 if (renderlist >= renderlistend)
1725 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1726 count = BigLong(*renderlist);renderlist++;
1727 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1728 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1730 loadmodel->surfacelist[i] = i;
1731 surface = loadmodel->data_surfaces + i;
1732 surface->texture = loadmodel->data_textures + i;
1733 surface->num_firsttriangle = meshtriangles;
1734 surface->num_triangles = count;
1735 meshtriangles += surface->num_triangles;
1737 // load the elements
1738 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1739 for (j = 0;j < surface->num_triangles;j++, renderlist += 3)
1741 outelements[j*3+2] = BigLong(renderlist[0]);
1742 outelements[j*3+1] = BigLong(renderlist[1]);
1743 outelements[j*3+0] = BigLong(renderlist[2]);
1745 // validate the elements and find the used vertex range
1746 firstvertex = meshvertices;
1748 for (j = 0;j < surface->num_triangles * 3;j++)
1750 if ((unsigned int)outelements[j] >= (unsigned int)meshvertices)
1751 Host_Error("%s corrupt renderlist (out of bounds index)", loadmodel->name);
1752 firstvertex = min(firstvertex, outelements[j]);
1753 lastvertex = max(lastvertex, outelements[j]);
1755 surface->num_firstvertex = firstvertex;
1756 surface->num_vertices = lastvertex + 1 - firstvertex;
1758 // since zym models do not have named sections, reuse their shader
1759 // name as the section name
1760 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1762 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, shadername, shadername);
1764 for (j = 0;j < loadmodel->numskins;j++)
1765 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1767 Mod_FreeSkinFiles(skinfiles);
1768 Mem_Free(vertbonecounts);
1771 // compute all the mesh information that was not loaded from the file
1772 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
1773 Mod_BuildBaseBonePoses();
1774 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
1775 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);
1776 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1778 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1781 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1783 dpmheader_t *pheader;
1787 unsigned char *pbase;
1788 int i, j, k, meshvertices, meshtriangles;
1789 skinfile_t *skinfiles;
1790 unsigned char *data;
1793 pheader = (dpmheader_t *)buffer;
1794 pbase = (unsigned char *)buffer;
1795 if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
1796 Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a darkplaces model", loadmodel->name);
1797 if (BigLong(pheader->type) != 2)
1798 Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1800 loadmodel->type = mod_alias;
1801 loadmodel->synctype = ST_RAND;
1804 pheader->type = BigLong(pheader->type);
1805 pheader->filesize = BigLong(pheader->filesize);
1806 pheader->mins[0] = BigFloat(pheader->mins[0]);
1807 pheader->mins[1] = BigFloat(pheader->mins[1]);
1808 pheader->mins[2] = BigFloat(pheader->mins[2]);
1809 pheader->maxs[0] = BigFloat(pheader->maxs[0]);
1810 pheader->maxs[1] = BigFloat(pheader->maxs[1]);
1811 pheader->maxs[2] = BigFloat(pheader->maxs[2]);
1812 pheader->yawradius = BigFloat(pheader->yawradius);
1813 pheader->allradius = BigFloat(pheader->allradius);
1814 pheader->num_bones = BigLong(pheader->num_bones);
1815 pheader->num_meshs = BigLong(pheader->num_meshs);
1816 pheader->num_frames = BigLong(pheader->num_frames);
1817 pheader->ofs_bones = BigLong(pheader->ofs_bones);
1818 pheader->ofs_meshs = BigLong(pheader->ofs_meshs);
1819 pheader->ofs_frames = BigLong(pheader->ofs_frames);
1821 if (pheader->num_bones < 1 || pheader->num_meshs < 1)
1823 Con_Printf("%s has no geometry\n", loadmodel->name);
1826 if (pheader->num_frames < 1)
1828 Con_Printf("%s has no frames\n", loadmodel->name);
1832 loadmodel->DrawSky = NULL;
1833 loadmodel->Draw = R_Q1BSP_Draw;
1834 loadmodel->DrawDepth = R_Q1BSP_DrawDepth;
1835 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1836 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1837 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1838 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1841 for (i = 0;i < 3;i++)
1843 loadmodel->normalmins[i] = pheader->mins[i];
1844 loadmodel->normalmaxs[i] = pheader->maxs[i];
1845 loadmodel->yawmins[i] = i != 2 ? -pheader->yawradius : pheader->mins[i];
1846 loadmodel->yawmaxs[i] = i != 2 ? pheader->yawradius : pheader->maxs[i];
1847 loadmodel->rotatedmins[i] = -pheader->allradius;
1848 loadmodel->rotatedmaxs[i] = pheader->allradius;
1850 loadmodel->radius = pheader->allradius;
1851 loadmodel->radius2 = pheader->allradius * pheader->allradius;
1853 // load external .skin files if present
1854 skinfiles = Mod_LoadSkinFiles();
1855 if (loadmodel->numskins < 1)
1856 loadmodel->numskins = 1;
1861 // gather combined statistics from the meshes
1862 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1863 for (i = 0;i < (int)pheader->num_meshs;i++)
1865 int numverts = BigLong(dpmmesh->num_verts);
1866 meshvertices += numverts;;
1867 meshtriangles += BigLong(dpmmesh->num_tris);
1871 loadmodel->numframes = pheader->num_frames;
1872 loadmodel->num_bones = pheader->num_bones;
1873 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
1874 loadmodel->nummodelsurfaces = loadmodel->num_surfaces = pheader->num_meshs;
1875 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
1876 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
1877 // do most allocations as one merged chunk
1878 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(int[4]) + sizeof(float[4])) + loadmodel->num_poses * sizeof(float[12]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
1879 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1880 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1881 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1882 loadmodel->surfmesh.num_vertices = meshvertices;
1883 loadmodel->surfmesh.num_triangles = meshtriangles;
1884 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1885 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1886 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1887 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1888 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1889 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1890 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1891 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1892 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1893 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1894 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
1895 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
1896 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
1897 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1899 for (i = 0;i < loadmodel->numskins;i++)
1901 loadmodel->skinscenes[i].firstframe = i;
1902 loadmodel->skinscenes[i].framecount = 1;
1903 loadmodel->skinscenes[i].loop = true;
1904 loadmodel->skinscenes[i].framerate = 10;
1907 // load the bone info
1908 bone = (dpmbone_t *) (pbase + pheader->ofs_bones);
1909 for (i = 0;i < loadmodel->num_bones;i++)
1911 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1912 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1913 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1914 if (loadmodel->data_bones[i].parent >= i)
1915 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1919 frame = (dpmframe_t *) (pbase + pheader->ofs_frames);
1920 for (i = 0;i < loadmodel->numframes;i++)
1923 memcpy(loadmodel->animscenes[i].name, frame->name, sizeof(frame->name));
1924 loadmodel->animscenes[i].firstframe = i;
1925 loadmodel->animscenes[i].framecount = 1;
1926 loadmodel->animscenes[i].loop = true;
1927 loadmodel->animscenes[i].framerate = 10;
1928 // load the bone poses for this frame
1929 poses = (float *) (pbase + BigLong(frame->ofs_bonepositions));
1930 for (j = 0;j < loadmodel->num_bones*12;j++)
1931 loadmodel->data_poses[i * loadmodel->num_bones*12 + j] = BigFloat(poses[j]);
1932 // stuff not processed here: mins, maxs, yawradius, allradius
1936 // load the meshes now
1937 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1940 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1941 // (converting from weight-blending skeletal animation to
1942 // deformation-based skeletal animation)
1943 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1944 for (i = 0;i < loadmodel->num_bones;i++)
1946 const float *m = loadmodel->data_poses + i * 12;
1947 if (loadmodel->data_bones[i].parent >= 0)
1948 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1950 for (k = 0;k < 12;k++)
1951 bonepose[12*i+k] = m[k];
1953 for (i = 0;i < loadmodel->num_surfaces;i++, dpmmesh++)
1955 const int *inelements;
1957 const float *intexcoord;
1958 msurface_t *surface;
1960 loadmodel->surfacelist[i] = i;
1961 surface = loadmodel->data_surfaces + i;
1962 surface->texture = loadmodel->data_textures + i;
1963 surface->num_firsttriangle = meshtriangles;
1964 surface->num_triangles = BigLong(dpmmesh->num_tris);
1965 surface->num_firstvertex = meshvertices;
1966 surface->num_vertices = BigLong(dpmmesh->num_verts);
1967 meshvertices += surface->num_vertices;
1968 meshtriangles += surface->num_triangles;
1970 inelements = (int *) (pbase + BigLong(dpmmesh->ofs_indices));
1971 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1972 for (j = 0;j < surface->num_triangles;j++)
1974 // swap element order to flip triangles, because Quake uses clockwise (rare) and dpm uses counterclockwise (standard)
1975 outelements[0] = surface->num_firstvertex + BigLong(inelements[2]);
1976 outelements[1] = surface->num_firstvertex + BigLong(inelements[1]);
1977 outelements[2] = surface->num_firstvertex + BigLong(inelements[0]);
1982 intexcoord = (float *) (pbase + BigLong(dpmmesh->ofs_texcoords));
1983 for (j = 0;j < surface->num_vertices*2;j++)
1984 loadmodel->surfmesh.data_texcoordtexture2f[j + surface->num_firstvertex * 2] = BigFloat(intexcoord[j]);
1986 data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
1987 for (j = surface->num_firstvertex;j < surface->num_firstvertex + surface->num_vertices;j++)
1991 int numweights = BigLong(((dpmvertex_t *)data)->numbones);
1992 data += sizeof(dpmvertex_t);
1993 for (k = 0;k < numweights;k++)
1995 const dpmbonevert_t *vert = (dpmbonevert_t *) data;
1996 int boneindex = BigLong(vert->bonenum);
1997 const float *m = bonepose + 12 * boneindex;
1998 float influence = BigFloat(vert->influence);
1999 float relativeorigin[3], relativenormal[3];
2000 relativeorigin[0] = BigFloat(vert->origin[0]);
2001 relativeorigin[1] = BigFloat(vert->origin[1]);
2002 relativeorigin[2] = BigFloat(vert->origin[2]);
2003 relativenormal[0] = BigFloat(vert->normal[0]);
2004 relativenormal[1] = BigFloat(vert->normal[1]);
2005 relativenormal[2] = BigFloat(vert->normal[2]);
2006 // blend the vertex bone weights into the base mesh
2007 loadmodel->surfmesh.data_vertex3f[j*3+0] += relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + influence * m[ 3];
2008 loadmodel->surfmesh.data_vertex3f[j*3+1] += relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + influence * m[ 7];
2009 loadmodel->surfmesh.data_vertex3f[j*3+2] += relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + influence * m[11];
2010 loadmodel->surfmesh.data_normal3f[j*3+0] += relativenormal[0] * m[0] + relativenormal[1] * m[1] + relativenormal[2] * m[ 2];
2011 loadmodel->surfmesh.data_normal3f[j*3+1] += relativenormal[0] * m[4] + relativenormal[1] * m[5] + relativenormal[2] * m[ 6];
2012 loadmodel->surfmesh.data_normal3f[j*3+2] += relativenormal[0] * m[8] + relativenormal[1] * m[9] + relativenormal[2] * m[10];
2015 // store the first (and often only) weight
2016 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = influence;
2017 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
2021 // sort the new weight into this vertex's weight table
2022 // (which only accepts up to 4 bones per vertex)
2023 for (l = 0;l < 4;l++)
2025 if (loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] < influence)
2027 // move weaker influence weights out of the way first
2029 for (l2 = 3;l2 > l;l2--)
2031 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2-1];
2032 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2-1];
2034 // store the new weight
2035 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] = influence;
2036 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l] = boneindex;
2041 data += sizeof(dpmbonevert_t);
2044 for (l = 0;l < 4;l++)
2045 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l];
2046 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2048 float f = 1.0f / sum;
2049 for (l = 0;l < 4;l++)
2050 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] *= f;
2054 // since dpm models do not have named sections, reuse their shader name as the section name
2055 if (dpmmesh->shadername[0])
2056 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, dpmmesh->shadername, dpmmesh->shadername);
2058 for (j = 0;j < loadmodel->numskins;j++)
2059 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
2061 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
2064 Mod_FreeSkinFiles(skinfiles);
2066 // compute all the mesh information that was not loaded from the file
2067 Mod_BuildBaseBonePoses();
2068 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);
2069 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2071 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
2074 // no idea why PSK/PSA files contain weird quaternions but they do...
2075 #define PSKQUATNEGATIONS
2076 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend)
2078 int i, j, index, version, recordsize, numrecords, meshvertices, meshtriangles;
2079 int numpnts, numvtxw, numfaces, nummatts, numbones, numrawweights, numanimbones, numanims, numanimkeys;
2080 fs_offset_t filesize;
2085 pskboneinfo_t *bones;
2086 pskrawweights_t *rawweights;
2087 pskboneinfo_t *animbones;
2088 pskaniminfo_t *anims;
2089 pskanimkeys_t *animkeys;
2090 void *animfilebuffer, *animbuffer, *animbufferend;
2091 unsigned char *data;
2093 skinfile_t *skinfiles;
2094 char animname[MAX_QPATH];
2096 pchunk = (pskchunk_t *)buffer;
2097 if (strcmp(pchunk->id, "ACTRHEAD"))
2098 Host_Error ("Mod_PSKMODEL_Load: %s is not an Unreal Engine ActorX (.psk + .psa) model", loadmodel->name);
2100 loadmodel->type = mod_alias;
2101 loadmodel->DrawSky = NULL;
2102 loadmodel->Draw = R_Q1BSP_Draw;
2103 loadmodel->DrawDepth = R_Q1BSP_DrawDepth;
2104 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
2105 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
2106 loadmodel->DrawLight = R_Q1BSP_DrawLight;
2107 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
2108 loadmodel->synctype = ST_RAND;
2110 FS_StripExtension(loadmodel->name, animname, sizeof(animname));
2111 strlcat(animname, ".psa", sizeof(animname));
2112 animbuffer = animfilebuffer = FS_LoadFile(animname, loadmodel->mempool, false, &filesize);
2113 animbufferend = (void *)((unsigned char*)animbuffer + (int)filesize);
2114 if (animbuffer == NULL)
2115 Host_Error("%s: can't find .psa file (%s)", loadmodel->name, animname);
2134 while (buffer < bufferend)
2136 pchunk = (pskchunk_t *)buffer;
2137 buffer = (void *)((unsigned char *)buffer + sizeof(pskchunk_t));
2138 version = LittleLong(pchunk->version);
2139 recordsize = LittleLong(pchunk->recordsize);
2140 numrecords = LittleLong(pchunk->numrecords);
2141 if (developer.integer >= 100)
2142 Con_Printf("%s: %s %x: %i * %i = %i\n", loadmodel->name, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2143 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2144 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);
2145 if (!strcmp(pchunk->id, "ACTRHEAD"))
2149 else if (!strcmp(pchunk->id, "PNTS0000"))
2152 if (recordsize != sizeof(*p))
2153 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2154 // byteswap in place and keep the pointer
2155 numpnts = numrecords;
2156 pnts = (pskpnts_t *)buffer;
2157 for (index = 0, p = (pskpnts_t *)buffer;index < numrecords;index++, p++)
2159 p->origin[0] = LittleFloat(p->origin[0]);
2160 p->origin[1] = LittleFloat(p->origin[1]);
2161 p->origin[2] = LittleFloat(p->origin[2]);
2165 else if (!strcmp(pchunk->id, "VTXW0000"))
2168 if (recordsize != sizeof(*p))
2169 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2170 // byteswap in place and keep the pointer
2171 numvtxw = numrecords;
2172 vtxw = (pskvtxw_t *)buffer;
2173 for (index = 0, p = (pskvtxw_t *)buffer;index < numrecords;index++, p++)
2175 p->pntsindex = LittleShort(p->pntsindex);
2176 p->texcoord[0] = LittleFloat(p->texcoord[0]);
2177 p->texcoord[1] = LittleFloat(p->texcoord[1]);
2178 if (p->pntsindex >= numpnts)
2180 Con_Printf("%s: vtxw->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2186 else if (!strcmp(pchunk->id, "FACE0000"))
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 numfaces = numrecords;
2193 faces = (pskface_t *)buffer;
2194 for (index = 0, p = (pskface_t *)buffer;index < numrecords;index++, p++)
2196 p->vtxwindex[0] = LittleShort(p->vtxwindex[0]);
2197 p->vtxwindex[1] = LittleShort(p->vtxwindex[1]);
2198 p->vtxwindex[2] = LittleShort(p->vtxwindex[2]);
2199 p->group = LittleLong(p->group);
2200 if (p->vtxwindex[0] >= numvtxw)
2202 Con_Printf("%s: face->vtxwindex[0] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[0], numvtxw);
2203 p->vtxwindex[0] = 0;
2205 if (p->vtxwindex[1] >= numvtxw)
2207 Con_Printf("%s: face->vtxwindex[1] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[1], numvtxw);
2208 p->vtxwindex[1] = 0;
2210 if (p->vtxwindex[2] >= numvtxw)
2212 Con_Printf("%s: face->vtxwindex[2] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[2], numvtxw);
2213 p->vtxwindex[2] = 0;
2218 else if (!strcmp(pchunk->id, "MATT0000"))
2221 if (recordsize != sizeof(*p))
2222 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2223 // byteswap in place and keep the pointer
2224 nummatts = numrecords;
2225 matts = (pskmatt_t *)buffer;
2226 for (index = 0, p = (pskmatt_t *)buffer;index < numrecords;index++, p++)
2232 else if (!strcmp(pchunk->id, "REFSKELT"))
2235 if (recordsize != sizeof(*p))
2236 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2237 // byteswap in place and keep the pointer
2238 numbones = numrecords;
2239 bones = (pskboneinfo_t *)buffer;
2240 for (index = 0, p = (pskboneinfo_t *)buffer;index < numrecords;index++, p++)
2242 p->numchildren = LittleLong(p->numchildren);
2243 p->parent = LittleLong(p->parent);
2244 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2245 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2246 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2247 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2248 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2249 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2250 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2251 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2252 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2253 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2254 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2255 #ifdef PSKQUATNEGATIONS
2258 p->basepose.quat[0] *= -1;
2259 p->basepose.quat[1] *= -1;
2260 p->basepose.quat[2] *= -1;
2264 p->basepose.quat[0] *= 1;
2265 p->basepose.quat[1] *= -1;
2266 p->basepose.quat[2] *= 1;
2269 if (p->parent < 0 || p->parent >= numbones)
2271 Con_Printf("%s: bone->parent %i >= numbones %i\n", loadmodel->name, p->parent, numbones);
2277 else if (!strcmp(pchunk->id, "RAWWEIGHTS"))
2280 if (recordsize != sizeof(*p))
2281 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2282 // byteswap in place and keep the pointer
2283 numrawweights = numrecords;
2284 rawweights = (pskrawweights_t *)buffer;
2285 for (index = 0, p = (pskrawweights_t *)buffer;index < numrecords;index++, p++)
2287 p->weight = LittleFloat(p->weight);
2288 p->pntsindex = LittleLong(p->pntsindex);
2289 p->boneindex = LittleLong(p->boneindex);
2290 if (p->pntsindex < 0 || p->pntsindex >= numpnts)
2292 Con_Printf("%s: weight->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2295 if (p->boneindex < 0 || p->boneindex >= numbones)
2297 Con_Printf("%s: weight->boneindex %i >= numbones %i\n", loadmodel->name, p->boneindex, numbones);
2305 while (animbuffer < animbufferend)
2307 pchunk = (pskchunk_t *)animbuffer;
2308 animbuffer = (void *)((unsigned char *)animbuffer + sizeof(pskchunk_t));
2309 version = LittleLong(pchunk->version);
2310 recordsize = LittleLong(pchunk->recordsize);
2311 numrecords = LittleLong(pchunk->numrecords);
2312 if (developer.integer >= 100)
2313 Con_Printf("%s: %s %x: %i * %i = %i\n", animname, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2314 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2315 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);
2316 if (!strcmp(pchunk->id, "ANIMHEAD"))
2320 else if (!strcmp(pchunk->id, "BONENAMES"))
2323 if (recordsize != sizeof(*p))
2324 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2325 // byteswap in place and keep the pointer
2326 numanimbones = numrecords;
2327 animbones = (pskboneinfo_t *)animbuffer;
2328 // NOTE: supposedly psa does not need to match the psk model, the
2329 // bones missing from the psa would simply use their base
2330 // positions from the psk, but this is hard for me to implement
2331 // and people can easily make animations that match.
2332 if (numanimbones != numbones)
2333 Host_Error("%s: this loader only supports animations with the same bones as the mesh", loadmodel->name);
2334 for (index = 0, p = (pskboneinfo_t *)animbuffer;index < numrecords;index++, p++)
2336 p->numchildren = LittleLong(p->numchildren);
2337 p->parent = LittleLong(p->parent);
2338 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2339 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2340 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2341 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2342 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2343 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2344 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2345 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2346 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2347 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2348 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2349 #ifdef PSKQUATNEGATIONS
2352 p->basepose.quat[0] *= -1;
2353 p->basepose.quat[1] *= -1;
2354 p->basepose.quat[2] *= -1;
2358 p->basepose.quat[0] *= 1;
2359 p->basepose.quat[1] *= -1;
2360 p->basepose.quat[2] *= 1;
2363 if (p->parent < 0 || p->parent >= numanimbones)
2365 Con_Printf("%s: bone->parent %i >= numanimbones %i\n", animname, p->parent, numanimbones);
2368 // check that bones are the same as in the base
2369 if (strcmp(p->name, bones[index].name) || p->parent != bones[index].parent)
2370 Host_Error("%s: this loader only supports animations with the same bones as the mesh", animname);
2374 else if (!strcmp(pchunk->id, "ANIMINFO"))
2377 if (recordsize != sizeof(*p))
2378 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2379 // byteswap in place and keep the pointer
2380 numanims = numrecords;
2381 anims = (pskaniminfo_t *)animbuffer;
2382 for (index = 0, p = (pskaniminfo_t *)animbuffer;index < numrecords;index++, p++)
2384 p->numbones = LittleLong(p->numbones);
2385 p->playtime = LittleFloat(p->playtime);
2386 p->fps = LittleFloat(p->fps);
2387 p->firstframe = LittleLong(p->firstframe);
2388 p->numframes = LittleLong(p->numframes);
2389 if (p->numbones != numbones)
2390 Con_Printf("%s: animinfo->numbones != numbones, trying to load anyway!\n", animname);
2394 else if (!strcmp(pchunk->id, "ANIMKEYS"))
2397 if (recordsize != sizeof(*p))
2398 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2399 numanimkeys = numrecords;
2400 animkeys = (pskanimkeys_t *)animbuffer;
2401 for (index = 0, p = (pskanimkeys_t *)animbuffer;index < numrecords;index++, p++)
2403 p->origin[0] = LittleFloat(p->origin[0]);
2404 p->origin[1] = LittleFloat(p->origin[1]);
2405 p->origin[2] = LittleFloat(p->origin[2]);
2406 p->quat[0] = LittleFloat(p->quat[0]);
2407 p->quat[1] = LittleFloat(p->quat[1]);
2408 p->quat[2] = LittleFloat(p->quat[2]);
2409 p->quat[3] = LittleFloat(p->quat[3]);
2410 p->frametime = LittleFloat(p->frametime);
2411 #ifdef PSKQUATNEGATIONS
2412 if (index % numbones)
2427 // TODO: allocate bonepose stuff
2430 Con_Printf("%s: unknown chunk ID \"%s\"\n", animname, pchunk->id);
2433 if (!numpnts || !pnts || !numvtxw || !vtxw || !numfaces || !faces || !nummatts || !matts || !numbones || !bones || !numrawweights || !rawweights || !numanims || !anims || !numanimkeys || !animkeys)
2434 Host_Error("%s: missing required chunks", loadmodel->name);
2436 loadmodel->numframes = 0;
2437 for (index = 0;index < numanims;index++)
2438 loadmodel->numframes += anims[index].numframes;
2440 if (numanimkeys != numbones * loadmodel->numframes)
2441 Host_Error("%s: %s has incorrect number of animation keys", animname, pchunk->id);
2443 meshvertices = numvtxw;
2444 meshtriangles = numfaces;
2446 // load external .skin files if present
2447 skinfiles = Mod_LoadSkinFiles();
2448 if (loadmodel->numskins < 1)
2449 loadmodel->numskins = 1;
2450 loadmodel->num_bones = numbones;
2451 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
2452 loadmodel->nummodelsurfaces = loadmodel->num_surfaces = nummatts;
2453 loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
2454 loadmodel->num_texturesperskin = loadmodel->num_surfaces;
2455 // do most allocations as one merged chunk
2456 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(int[4]) + sizeof(float[4])) + loadmodel->num_poses * sizeof(float[12]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
2457 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
2458 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
2459 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
2460 loadmodel->surfmesh.num_vertices = meshvertices;
2461 loadmodel->surfmesh.num_triangles = meshtriangles;
2462 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2463 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2464 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
2465 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2466 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2467 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
2468 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
2469 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
2470 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
2471 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2472 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
2473 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
2474 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
2475 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
2477 for (i = 0;i < loadmodel->numskins;i++)
2479 loadmodel->skinscenes[i].firstframe = i;
2480 loadmodel->skinscenes[i].framecount = 1;
2481 loadmodel->skinscenes[i].loop = true;
2482 loadmodel->skinscenes[i].framerate = 10;
2486 for (index = 0, i = 0;index < nummatts;index++)
2488 // since psk models do not have named sections, reuse their shader name as the section name
2489 if (matts[index].name[0])
2490 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + index, skinfiles, matts[index].name, matts[index].name);
2492 for (j = 0;j < loadmodel->numskins;j++)
2493 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + index + j * loadmodel->num_surfaces, NULL);
2494 loadmodel->surfacelist[index] = index;
2495 loadmodel->data_surfaces[index].texture = loadmodel->data_textures + index;
2496 loadmodel->data_surfaces[index].num_firstvertex = 0;
2497 loadmodel->data_surfaces[index].num_vertices = loadmodel->surfmesh.num_vertices;
2500 // copy over the vertex locations and texcoords
2501 for (index = 0;index < numvtxw;index++)
2503 loadmodel->surfmesh.data_vertex3f[index*3+0] = pnts[vtxw[index].pntsindex].origin[0];
2504 loadmodel->surfmesh.data_vertex3f[index*3+1] = pnts[vtxw[index].pntsindex].origin[1];
2505 loadmodel->surfmesh.data_vertex3f[index*3+2] = pnts[vtxw[index].pntsindex].origin[2];
2506 loadmodel->surfmesh.data_texcoordtexture2f[index*2+0] = vtxw[index].texcoord[0];
2507 loadmodel->surfmesh.data_texcoordtexture2f[index*2+1] = vtxw[index].texcoord[1];
2510 // loading the faces is complicated because we need to sort them into surfaces by mattindex
2511 for (index = 0;index < numfaces;index++)
2512 loadmodel->data_surfaces[faces[index].mattindex].num_triangles++;
2513 for (index = 0, i = 0;index < nummatts;index++)
2515 loadmodel->data_surfaces[index].num_firsttriangle = i;
2516 i += loadmodel->data_surfaces[index].num_triangles;
2517 loadmodel->data_surfaces[index].num_triangles = 0;
2519 for (index = 0;index < numfaces;index++)
2521 i = (loadmodel->data_surfaces[faces[index].mattindex].num_firsttriangle + loadmodel->data_surfaces[faces[index].mattindex].num_triangles++)*3;
2522 loadmodel->surfmesh.data_element3i[i+0] = faces[index].vtxwindex[0];
2523 loadmodel->surfmesh.data_element3i[i+1] = faces[index].vtxwindex[1];
2524 loadmodel->surfmesh.data_element3i[i+2] = faces[index].vtxwindex[2];
2527 // copy over the bones
2528 for (index = 0;index < numbones;index++)
2530 strlcpy(loadmodel->data_bones[index].name, bones[index].name, sizeof(loadmodel->data_bones[index].name));
2531 loadmodel->data_bones[index].parent = (index || bones[index].parent > 0) ? bones[index].parent : -1;
2532 if (loadmodel->data_bones[index].parent >= index)
2533 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, index, index);
2536 // sort the psk point weights into the vertex weight tables
2537 // (which only accept up to 4 bones per vertex)
2538 for (index = 0;index < numvtxw;index++)
2542 for (j = 0;j < numrawweights;j++)
2544 if (rawweights[j].pntsindex == vtxw[index].pntsindex)
2546 int boneindex = rawweights[j].boneindex;
2547 float influence = rawweights[j].weight;
2548 for (l = 0;l < 4;l++)
2550 if (loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] < influence)
2552 // move lower influence weights out of the way first
2554 for (l2 = 3;l2 > l;l2--)
2556 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2-1];
2557 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2-1];
2559 // store the new weight
2560 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] = influence;
2561 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l] = boneindex;
2568 for (l = 0;l < 4;l++)
2569 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l];
2570 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2572 float f = 1.0f / sum;
2573 for (l = 0;l < 4;l++)
2574 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] *= f;
2578 // set up the animscenes based on the anims
2579 for (index = 0, i = 0;index < numanims;index++)
2581 for (j = 0;j < anims[index].numframes;j++, i++)
2583 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "%s_%d", anims[index].name, j);
2584 loadmodel->animscenes[i].firstframe = i;
2585 loadmodel->animscenes[i].framecount = 1;
2586 loadmodel->animscenes[i].loop = true;
2587 loadmodel->animscenes[i].framerate = 10;
2591 // load the poses from the animkeys
2592 for (index = 0;index < numanimkeys;index++)
2594 pskanimkeys_t *k = animkeys + index;
2596 Matrix4x4_FromOriginQuat(&matrix, k->origin[0], k->origin[1], k->origin[2], k->quat[0], k->quat[1], k->quat[2], k->quat[3]);
2597 Matrix4x4_ToArray12FloatD3D(&matrix, loadmodel->data_poses + index*12);
2599 Mod_FreeSkinFiles(skinfiles);
2600 Mem_Free(animfilebuffer);
2602 // compute all the mesh information that was not loaded from the file
2603 // TODO: honor smoothing groups somehow?
2604 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
2605 Mod_BuildBaseBonePoses();
2606 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
2607 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);
2608 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2609 Mod_Alias_CalculateBoundingBox();
2611 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;