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)
49 if (model->surfmesh.data_vertexweightindex4i)
52 const float *v = model->surfmesh.data_vertex3f;
53 const float *n = model->surfmesh.data_normal3f;
54 const float *sv = model->surfmesh.data_svector3f;
55 const float *tv = model->surfmesh.data_tvector3f;
56 const int *wi = model->surfmesh.data_vertexweightindex4i;
57 const float *wf = model->surfmesh.data_vertexweightinfluence4f;
58 float *matrix, m[12], bonepose[256][12], boneposerelative[256][12];
59 // vertex weighted skeletal
60 memset(vertex3f, 0, model->surfmesh.num_vertices * sizeof(float[3]));
62 memset(normal3f, 0, model->surfmesh.num_vertices * sizeof(float[3]));
65 memset(svector3f, 0, model->surfmesh.num_vertices * sizeof(float[3]));
66 memset(tvector3f, 0, model->surfmesh.num_vertices * sizeof(float[3]));
68 // interpolate matrices and concatenate them to their parents
69 for (i = 0;i < model->num_bones;i++)
71 for (k = 0;k < 12;k++)
73 for (blends = 0;blends < 4 && frameblend[blends].lerp > 0;blends++)
75 matrix = model->data_poses + (frameblend[blends].frame * model->num_bones + i) * 12;
76 for (k = 0;k < 12;k++)
77 m[k] += matrix[k] * frameblend[blends].lerp;
79 if (i == r_skeletal_debugbone.integer)
80 m[r_skeletal_debugbonecomponent.integer % 12] += r_skeletal_debugbonevalue.value;
81 m[3] *= r_skeletal_debugtranslatex.value;
82 m[7] *= r_skeletal_debugtranslatey.value;
83 m[11] *= r_skeletal_debugtranslatez.value;
84 if (model->data_bones[i].parent >= 0)
85 R_ConcatTransforms(bonepose[model->data_bones[i].parent], m, bonepose[i]);
87 for (k = 0;k < 12;k++)
88 bonepose[i][k] = m[k];
89 // create a relative deformation matrix to describe displacement
90 // from the base mesh, which is used by the actual weighting
91 R_ConcatTransforms(bonepose[i], model->data_baseboneposeinverse + i * 12, boneposerelative[i]);
93 // blend the vertex bone weights
96 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, n += 3, sv += 3, tv += 3, wi += 4, wf += 4, vertex3f += 3, normal3f += 3, svector3f += 3, tvector3f += 3)
98 for (k = 0;k < 4 && wf[k];k++)
100 const float *m = boneposerelative[wi[k]];
102 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
103 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
104 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
105 normal3f[0] += f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
106 normal3f[1] += f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
107 normal3f[2] += f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
108 svector3f[0] += f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
109 svector3f[1] += f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
110 svector3f[2] += f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
111 tvector3f[0] += f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
112 tvector3f[1] += f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
113 tvector3f[2] += f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
119 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, n += 3, wi += 4, wf += 4, vertex3f += 3, normal3f += 3)
121 for (k = 0;k < 4 && wf[k];k++)
123 const float *m = boneposerelative[wi[k]];
125 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
126 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
127 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
128 normal3f[0] += f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
129 normal3f[1] += f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
130 normal3f[2] += f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
136 for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, wi += 4, wf += 4, vertex3f += 3)
138 for (k = 0;k < 4 && wf[k];k++)
140 const float *m = boneposerelative[wi[k]];
142 vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
143 vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
144 vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
149 else if (model->surfmesh.data_morphmd3vertex)
152 int i, numblends, blendnum;
153 int numverts = model->surfmesh.num_vertices;
155 for (blendnum = 0;blendnum < 4;blendnum++)
157 //VectorMA(translate, model->surfmesh.num_morphmdlframetranslate, frameblend[blendnum].lerp, translate);
158 if (frameblend[blendnum].lerp > 0)
159 numblends = blendnum + 1;
161 memset(vertex3f, 0, numverts * sizeof(float[3]));
163 for (i = 0;i < numverts;i++)
164 VectorClear(normal3f + i * 3);
165 for (blendnum = 0;blendnum < numblends;blendnum++)
167 const md3vertex_t *verts = model->surfmesh.data_morphmd3vertex + numverts * frameblend[blendnum].frame;
168 float scale = frameblend[blendnum].lerp * (1.0f / 64.0f);
169 for (i = 0;i < numverts;i++)
171 vertex3f[i * 3 + 0] += verts[i].origin[0] * scale;
172 vertex3f[i * 3 + 1] += verts[i].origin[1] * scale;
173 vertex3f[i * 3 + 2] += verts[i].origin[2] * scale;
175 // the yaw and pitch stored in md3 models are 8bit quantized angles
176 // (0-255), and as such a lookup table is very well suited to
177 // decoding them, and since cosine is equivilant to sine with an
178 // extra 45 degree rotation, this uses one lookup table for both
179 // sine and cosine with a +64 bias to get cosine.
182 float lerp = frameblend[blendnum].lerp;
183 for (i = 0;i < numverts;i++)
185 normal3f[i * 3 + 0] += mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
186 normal3f[i * 3 + 1] += mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
187 normal3f[i * 3 + 2] += mod_md3_sin[verts[i].pitch + 64] * lerp;
193 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);
195 else if (model->surfmesh.data_morphmdlvertex)
198 int i, numblends, blendnum;
199 int numverts = model->surfmesh.num_vertices;
201 VectorClear(translate);
203 for (blendnum = 0;blendnum < 4;blendnum++)
205 if (model->surfmesh.data_morphmd2framesize6f)
206 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6 + 3, translate);
208 VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.num_morphmdlframetranslate, translate);
209 if (frameblend[blendnum].lerp > 0)
210 numblends = blendnum + 1;
212 for (i = 0;i < numverts;i++)
213 VectorCopy(translate, vertex3f + i * 3);
215 for (i = 0;i < numverts;i++)
216 VectorClear(normal3f + i * 3);
217 for (blendnum = 0;blendnum < numblends;blendnum++)
219 const trivertx_t *verts = model->surfmesh.data_morphmdlvertex + numverts * frameblend[blendnum].frame;
221 if (model->surfmesh.data_morphmd2framesize6f)
222 VectorScale(model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6, frameblend[blendnum].lerp, scale);
224 VectorScale(model->surfmesh.num_morphmdlframescale, frameblend[blendnum].lerp, scale);
225 for (i = 0;i < numverts;i++)
227 vertex3f[i * 3 + 0] += verts[i].v[0] * scale[0];
228 vertex3f[i * 3 + 1] += verts[i].v[1] * scale[1];
229 vertex3f[i * 3 + 2] += verts[i].v[2] * scale[2];
231 // the vertex normals in mdl models are an index into a table of
232 // 162 unique values, this very crude quantization reduces the
233 // vertex normal to only one byte, which saves a lot of space but
234 // also makes lighting pretty coarse
237 float lerp = frameblend[blendnum].lerp;
238 for (i = 0;i < numverts;i++)
240 const float *vn = m_bytenormals[verts[i].lightnormalindex];
241 VectorMA(normal3f + i*3, lerp, vn, normal3f + i*3);
247 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);
250 Host_Error("model %s has no skeletal or vertex morph animation data", model->name);
253 int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
255 const float *boneframe;
256 float tempbonematrix[12], bonematrix[12];
257 *outmatrix = identitymatrix;
258 if (model->num_bones)
260 if (tagindex < 0 || tagindex >= model->num_bones)
262 if (poseframe >= model->num_poses)
264 boneframe = model->data_poses + poseframe * model->num_bones * 12;
265 memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
266 while (model->data_bones[tagindex].parent >= 0)
268 memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
269 R_ConcatTransforms(boneframe + model->data_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
270 tagindex = model->data_bones[tagindex].parent;
272 Matrix4x4_FromArray12FloatD3D(outmatrix, bonematrix);
274 else if (model->num_tags)
276 if (tagindex < 0 || tagindex >= model->num_tags)
278 if (poseframe >= model->num_tagframes)
280 Matrix4x4_FromArray12FloatGL(outmatrix, model->data_tags[poseframe * model->num_tags + tagindex].matrixgl);
285 int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
288 if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
289 for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
290 if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
292 if (model->num_bones)
293 for (i = 0;i < model->num_bones;i++)
294 if (!strcasecmp(tagname, model->data_bones[i].name))
297 for (i = 0;i < model->num_tags;i++)
298 if (!strcasecmp(tagname, model->data_tags[i].name))
303 static void Mod_BuildBaseBonePoses(void)
307 float *in12f = loadmodel->data_poses;
308 float *out12f = loadmodel->data_basebonepose;
309 float *outinv12f = loadmodel->data_baseboneposeinverse;
310 for (i = 0;i < loadmodel->num_bones;i++, in12f += 12, out12f += 12, outinv12f += 12)
312 if (loadmodel->data_bones[i].parent >= 0)
313 R_ConcatTransforms(loadmodel->data_basebonepose + 12 * loadmodel->data_bones[i].parent, in12f, out12f);
315 for (k = 0;k < 12;k++)
316 out12f[k] = in12f[k];
320 // we only support uniform scaling, so assume the first row is enough
321 // (note the lack of sqrt here, because we're trying to undo the scaling,
322 // this means multiplying by the inverse scale twice - squaring it, which
323 // makes the sqrt a waste of time)
324 scale = 1.0 / (out12f[ 0] * out12f[ 0] + out12f[ 1] * out12f[ 1] + out12f[ 2] * out12f[ 2]);
326 // invert the rotation by transposing and multiplying by the squared
327 // recipricol of the input matrix scale as described above
328 outinv12f[ 0] = (float)(out12f[ 0] * scale);
329 outinv12f[ 1] = (float)(out12f[ 4] * scale);
330 outinv12f[ 2] = (float)(out12f[ 8] * scale);
331 outinv12f[ 4] = (float)(out12f[ 1] * scale);
332 outinv12f[ 5] = (float)(out12f[ 5] * scale);
333 outinv12f[ 6] = (float)(out12f[ 9] * scale);
334 outinv12f[ 8] = (float)(out12f[ 2] * scale);
335 outinv12f[ 9] = (float)(out12f[ 6] * scale);
336 outinv12f[10] = (float)(out12f[10] * scale);
338 // invert the translate
339 outinv12f[ 3] = -(out12f[ 3] * outinv12f[ 0] + out12f[ 7] * outinv12f[ 1] + out12f[11] * outinv12f[ 2]);
340 outinv12f[ 7] = -(out12f[ 3] * outinv12f[ 4] + out12f[ 7] * outinv12f[ 5] + out12f[11] * outinv12f[ 6]);
341 outinv12f[11] = -(out12f[ 3] * outinv12f[ 8] + out12f[ 7] * outinv12f[ 9] + out12f[11] * outinv12f[10]);
345 static void Mod_Alias_CalculateBoundingBox(void)
349 qboolean firstvertex = true;
350 float dist, yawradius, radius;
353 frameblend_t frameblend[4];
354 memset(frameblend, 0, sizeof(frameblend));
355 frameblend[0].lerp = 1;
356 vertex3f = Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3]));
357 VectorClear(loadmodel->normalmins);
358 VectorClear(loadmodel->normalmaxs);
361 for (i = 0;i < loadmodel->numframes;i++)
363 for (j = 0, frameblend[0].frame = loadmodel->animscenes[i].firstframe;j < loadmodel->animscenes[i].framecount;j++, frameblend[0].frame++)
365 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, vertex3f, NULL, NULL, NULL);
366 for (vnum = 0, v = vertex3f;vnum < loadmodel->surfmesh.num_vertices;vnum++, v += 3)
371 VectorCopy(v, loadmodel->normalmins);
372 VectorCopy(v, loadmodel->normalmaxs);
376 if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
377 if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
378 if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
379 if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
380 if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
381 if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
383 dist = v[0] * v[0] + v[1] * v[1];
384 if (yawradius < dist)
393 radius = sqrt(radius);
394 yawradius = sqrt(yawradius);
395 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
396 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
397 loadmodel->yawmins[2] = loadmodel->normalmins[2];
398 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
399 loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
400 loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
401 loadmodel->radius = radius;
402 loadmodel->radius2 = radius * radius;
405 static void Mod_Alias_Mesh_CompileFrameZero(void)
407 frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
408 loadmodel->surfmesh.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3][4]));
409 loadmodel->surfmesh.data_svector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 3;
410 loadmodel->surfmesh.data_tvector3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 6;
411 loadmodel->surfmesh.data_normal3f = loadmodel->surfmesh.data_vertex3f + loadmodel->surfmesh.num_vertices * 9;
412 Mod_Alias_GetMesh_Vertices(loadmodel, frameblend, loadmodel->surfmesh.data_vertex3f, NULL, NULL, NULL);
413 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
414 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);
417 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)
420 float segmentmins[3], segmentmaxs[3];
421 frameblend_t frameblend[4];
423 static int maxvertices = 0;
424 static float *vertex3f = NULL;
425 memset(trace, 0, sizeof(*trace));
427 trace->realfraction = 1;
428 trace->hitsupercontentsmask = hitsupercontentsmask;
429 memset(frameblend, 0, sizeof(frameblend));
430 frameblend[0].frame = frame;
431 frameblend[0].lerp = 1;
432 if (maxvertices < model->surfmesh.num_vertices)
436 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
437 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
439 if (VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
442 segmentmins[0] = min(start[0], end[0]) - 1;
443 segmentmins[1] = min(start[1], end[1]) - 1;
444 segmentmins[2] = min(start[2], end[2]) - 1;
445 segmentmaxs[0] = max(start[0], end[0]) + 1;
446 segmentmaxs[1] = max(start[1], end[1]) + 1;
447 segmentmaxs[2] = max(start[2], end[2]) + 1;
448 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
450 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
451 Collision_TraceLineTriangleMeshFloat(trace, start, end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
456 // box trace, performed as brush trace
457 colbrushf_t *thisbrush_start, *thisbrush_end;
458 vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
459 segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
460 segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
461 segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
462 segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
463 segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
464 segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
465 VectorAdd(start, boxmins, boxstartmins);
466 VectorAdd(start, boxmaxs, boxstartmaxs);
467 VectorAdd(end, boxmins, boxendmins);
468 VectorAdd(end, boxmaxs, boxendmaxs);
469 thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
470 thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
471 for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
473 if (maxvertices < model->surfmesh.num_vertices)
477 maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
478 vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
480 Mod_Alias_GetMesh_Vertices(model, frameblend, vertex3f, NULL, NULL, NULL);
481 Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
486 static void Mod_ConvertAliasVerts (int inverts, trivertx_t *v, trivertx_t *out, int *vertremap)
489 for (i = 0;i < inverts;i++)
491 if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
493 j = vertremap[i]; // not onseam
496 j = vertremap[i+inverts]; // onseam
502 static void Mod_MDL_LoadFrames (unsigned char* datapointer, int inverts, int *vertremap)
504 int i, f, pose, groupframes;
506 daliasframetype_t *pframetype;
507 daliasframe_t *pinframe;
508 daliasgroup_t *group;
509 daliasinterval_t *intervals;
512 scene = loadmodel->animscenes;
513 for (f = 0;f < loadmodel->numframes;f++)
515 pframetype = (daliasframetype_t *)datapointer;
516 datapointer += sizeof(daliasframetype_t);
517 if (LittleLong (pframetype->type) == ALIAS_SINGLE)
519 // a single frame is still treated as a group
526 group = (daliasgroup_t *)datapointer;
527 datapointer += sizeof(daliasgroup_t);
528 groupframes = LittleLong (group->numframes);
530 // intervals (time per frame)
531 intervals = (daliasinterval_t *)datapointer;
532 datapointer += sizeof(daliasinterval_t) * groupframes;
534 interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
535 if (interval < 0.01f)
537 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
542 // get scene name from first frame
543 pinframe = (daliasframe_t *)datapointer;
545 strlcpy(scene->name, pinframe->name, sizeof(scene->name));
546 scene->firstframe = pose;
547 scene->framecount = groupframes;
548 scene->framerate = 1.0f / interval;
553 for (i = 0;i < groupframes;i++)
555 pinframe = (daliasframe_t *)datapointer;
556 datapointer += sizeof(daliasframe_t);
557 Mod_ConvertAliasVerts(inverts, (trivertx_t *)datapointer, loadmodel->surfmesh.data_morphmdlvertex + pose * loadmodel->surfmesh.num_vertices, vertremap);
558 datapointer += sizeof(trivertx_t) * inverts;
564 static void Mod_BuildAliasSkinFromSkinFrame(texture_t *texture, skinframe_t *skinframe)
566 texture->currentframe = texture;
567 texture->numskinframes = 1;
568 texture->skinframerate = 1;
569 texture->currentskinframe = texture->skinframes + 0;
571 texture->skinframes[0] = *skinframe;
575 memset(texture->skinframes, 0, sizeof(texture->skinframes));
576 texture->skinframes[0].base = r_texture_notexture;
579 texture->basematerialflags = MATERIALFLAG_WALL;
580 if (texture->currentskinframe->fog)
581 texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_TRANSPARENT;
582 texture->currentmaterialflags = texture->basematerialflags;
585 static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
588 skinfileitem_t *skinfileitem;
589 skinframe_t tempskinframe;
592 // the skin += loadmodel->num_surfaces part of this is because data_textures on alias models is arranged as [numskins][numsurfaces]
593 for (i = 0;skinfile;skinfile = skinfile->next, i++, skin += loadmodel->num_surfaces)
595 memset(skin, 0, sizeof(*skin));
596 for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
598 // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
599 if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
601 memset(&tempskinframe, 0, sizeof(tempskinframe));
602 if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
603 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
606 if (cls.state != ca_dedicated)
607 Con_Printf("mesh \"%s\": failed to load skin #%i \"%s\", falling back to mesh's internal shader name \"%s\"\n", meshname, i, skinfileitem->replacement, shadername);
608 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
609 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
612 if (cls.state != ca_dedicated)
613 Con_Printf("failed to load skin \"%s\"\n", shadername);
614 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
623 memset(&tempskinframe, 0, sizeof(tempskinframe));
624 if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
625 Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
628 if (cls.state != ca_dedicated)
629 Con_Printf("Can't find texture \"%s\" for mesh \"%s\", using grey checkerboard\n", shadername, meshname);
630 Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
635 #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);
636 #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);
637 void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend)
639 int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
640 float scales, scalet, interval;
644 stvert_t *pinstverts;
645 dtriangle_t *pintriangles;
646 daliasskintype_t *pinskintype;
647 daliasskingroup_t *pinskingroup;
648 daliasskininterval_t *pinskinintervals;
649 daliasframetype_t *pinframetype;
650 daliasgroup_t *pinframegroup;
651 unsigned char *datapointer, *startframes, *startskins;
652 char name[MAX_QPATH];
653 skinframe_t tempskinframe;
654 animscene_t *tempskinscenes;
655 texture_t *tempaliasskins;
657 int *vertonseam, *vertremap;
658 skinfile_t *skinfiles;
660 datapointer = (unsigned char *)buffer;
661 pinmodel = (mdl_t *)datapointer;
662 datapointer += sizeof(mdl_t);
664 version = LittleLong (pinmodel->version);
665 if (version != ALIAS_VERSION)
666 Host_Error ("%s has wrong version number (%i should be %i)",
667 loadmodel->name, version, ALIAS_VERSION);
669 loadmodel->type = mod_alias;
670 loadmodel->DrawSky = NULL;
671 loadmodel->Draw = R_Q1BSP_Draw;
672 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
673 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
674 loadmodel->DrawLight = R_Q1BSP_DrawLight;
675 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
677 loadmodel->num_surfaces = 1;
678 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
679 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int));
680 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
681 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
682 loadmodel->surfacelist[0] = 0;
684 loadmodel->numskins = LittleLong(pinmodel->numskins);
685 BOUNDI(loadmodel->numskins,0,65536);
686 skinwidth = LittleLong (pinmodel->skinwidth);
687 BOUNDI(skinwidth,0,65536);
688 skinheight = LittleLong (pinmodel->skinheight);
689 BOUNDI(skinheight,0,65536);
690 numverts = LittleLong(pinmodel->numverts);
691 BOUNDI(numverts,0,65536);
692 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->numtris);
693 BOUNDI(loadmodel->surfmesh.num_triangles,0,65536);
694 loadmodel->numframes = LittleLong(pinmodel->numframes);
695 BOUNDI(loadmodel->numframes,0,65536);
696 loadmodel->synctype = (synctype_t)LittleLong (pinmodel->synctype);
697 BOUNDI(loadmodel->synctype,0,2);
698 loadmodel->flags = LittleLong (pinmodel->flags);
700 for (i = 0;i < 3;i++)
702 loadmodel->surfmesh.num_morphmdlframescale[i] = LittleFloat (pinmodel->scale[i]);
703 loadmodel->surfmesh.num_morphmdlframetranslate[i] = LittleFloat (pinmodel->scale_origin[i]);
706 startskins = datapointer;
708 for (i = 0;i < loadmodel->numskins;i++)
710 pinskintype = (daliasskintype_t *)datapointer;
711 datapointer += sizeof(daliasskintype_t);
712 if (LittleLong(pinskintype->type) == ALIAS_SKIN_SINGLE)
716 pinskingroup = (daliasskingroup_t *)datapointer;
717 datapointer += sizeof(daliasskingroup_t);
718 groupskins = LittleLong(pinskingroup->numskins);
719 datapointer += sizeof(daliasskininterval_t) * groupskins;
722 for (j = 0;j < groupskins;j++)
724 datapointer += skinwidth * skinheight;
729 pinstverts = (stvert_t *)datapointer;
730 datapointer += sizeof(stvert_t) * numverts;
732 pintriangles = (dtriangle_t *)datapointer;
733 datapointer += sizeof(dtriangle_t) * loadmodel->surfmesh.num_triangles;
735 startframes = datapointer;
736 loadmodel->surfmesh.num_morphframes = 0;
737 for (i = 0;i < loadmodel->numframes;i++)
739 pinframetype = (daliasframetype_t *)datapointer;
740 datapointer += sizeof(daliasframetype_t);
741 if (LittleLong (pinframetype->type) == ALIAS_SINGLE)
745 pinframegroup = (daliasgroup_t *)datapointer;
746 datapointer += sizeof(daliasgroup_t);
747 groupframes = LittleLong(pinframegroup->numframes);
748 datapointer += sizeof(daliasinterval_t) * groupframes;
751 for (j = 0;j < groupframes;j++)
753 datapointer += sizeof(daliasframe_t);
754 datapointer += sizeof(trivertx_t) * numverts;
755 loadmodel->surfmesh.num_morphframes++;
759 // store texture coordinates into temporary array, they will be stored
760 // after usage is determined (triangle data)
761 vertst = (float *)Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
762 vertremap = (int *)Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
763 vertonseam = vertremap + numverts * 2;
765 scales = 1.0 / skinwidth;
766 scalet = 1.0 / skinheight;
767 for (i = 0;i < numverts;i++)
769 vertonseam[i] = LittleLong(pinstverts[i].onseam);
770 vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
771 vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
772 vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
773 vertst[(i+numverts)*2+1] = vertst[i*2+1];
776 // load triangle data
777 loadmodel->surfmesh.data_element3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->surfmesh.num_triangles);
779 // read the triangle elements
780 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
781 for (j = 0;j < 3;j++)
782 loadmodel->surfmesh.data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
783 // validate (note numverts is used because this is the original data)
784 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, numverts, __FILE__, __LINE__);
785 // now butcher the elements according to vertonseam and tri->facesfront
786 // and then compact the vertex set to remove duplicates
787 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
788 if (!LittleLong(pintriangles[i].facesfront)) // backface
789 for (j = 0;j < 3;j++)
790 if (vertonseam[loadmodel->surfmesh.data_element3i[i*3+j]])
791 loadmodel->surfmesh.data_element3i[i*3+j] += numverts;
793 // (this uses vertremap to count usage to save some memory)
794 for (i = 0;i < numverts*2;i++)
796 for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
797 vertremap[loadmodel->surfmesh.data_element3i[i]]++;
798 // build remapping table and compact array
799 loadmodel->surfmesh.num_vertices = 0;
800 for (i = 0;i < numverts*2;i++)
804 vertremap[i] = loadmodel->surfmesh.num_vertices;
805 vertst[loadmodel->surfmesh.num_vertices*2+0] = vertst[i*2+0];
806 vertst[loadmodel->surfmesh.num_vertices*2+1] = vertst[i*2+1];
807 loadmodel->surfmesh.num_vertices++;
810 vertremap[i] = -1; // not used at all
812 // remap the elements to the new vertex set
813 for (i = 0;i < loadmodel->surfmesh.num_triangles * 3;i++)
814 loadmodel->surfmesh.data_element3i[i] = vertremap[loadmodel->surfmesh.data_element3i[i]];
815 // store the texture coordinates
816 loadmodel->surfmesh.data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->surfmesh.num_vertices);
817 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
819 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = vertst[i*2+0];
820 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = vertst[i*2+1];
824 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
825 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)Mem_Alloc(loadmodel->mempool, sizeof(trivertx_t) * loadmodel->surfmesh.num_morphframes * loadmodel->surfmesh.num_vertices);
826 loadmodel->surfmesh.data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
827 Mod_MDL_LoadFrames (startframes, numverts, vertremap);
828 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
829 Mod_Alias_CalculateBoundingBox();
830 Mod_Alias_Mesh_CompileFrameZero();
836 skinfiles = Mod_LoadSkinFiles();
837 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
838 loadmodel->num_textures = loadmodel->num_surfaces;
839 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
842 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
843 Mod_FreeSkinFiles(skinfiles);
844 for (i = 0;i < loadmodel->numskins;i++)
846 loadmodel->skinscenes[i].firstframe = i;
847 loadmodel->skinscenes[i].framecount = 1;
848 loadmodel->skinscenes[i].loop = true;
849 loadmodel->skinscenes[i].framerate = 10;
855 datapointer = startskins;
856 for (i = 0;i < loadmodel->numskins;i++)
858 pinskintype = (daliasskintype_t *)datapointer;
859 datapointer += sizeof(daliasskintype_t);
861 if (pinskintype->type == ALIAS_SKIN_SINGLE)
868 pinskingroup = (daliasskingroup_t *)datapointer;
869 datapointer += sizeof(daliasskingroup_t);
871 groupskins = LittleLong (pinskingroup->numskins);
873 pinskinintervals = (daliasskininterval_t *)datapointer;
874 datapointer += sizeof(daliasskininterval_t) * groupskins;
876 interval = LittleFloat(pinskinintervals[0].interval);
877 if (interval < 0.01f)
879 Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
884 sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
885 loadmodel->skinscenes[i].firstframe = totalskins;
886 loadmodel->skinscenes[i].framecount = groupskins;
887 loadmodel->skinscenes[i].framerate = 1.0f / interval;
888 loadmodel->skinscenes[i].loop = true;
890 for (j = 0;j < groupskins;j++)
893 sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
895 sprintf (name, "%s_%i", loadmodel->name, i);
896 if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
897 Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP, true, r_fullbrights.integer, (unsigned char *)datapointer, skinwidth, skinheight, 8, NULL, NULL);
898 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
899 datapointer += skinwidth * skinheight;
903 // check for skins that don't exist in the model, but do exist as external images
904 // (this was added because yummyluv kept pestering me about support for it)
905 while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
907 // expand the arrays to make room
908 tempskinscenes = loadmodel->skinscenes;
909 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
910 memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
911 Mem_Free(tempskinscenes);
913 tempaliasskins = loadmodel->data_textures;
914 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * (totalskins + 1) * sizeof(texture_t));
915 memcpy(loadmodel->data_textures, tempaliasskins, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
916 Mem_Free(tempaliasskins);
918 // store the info about the new skin
919 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
920 strlcpy(loadmodel->skinscenes[loadmodel->numskins].name, name, sizeof(loadmodel->skinscenes[loadmodel->numskins].name));
921 loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
922 loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
923 loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
924 loadmodel->skinscenes[loadmodel->numskins].loop = true;
926 //increase skin counts
927 loadmodel->numskins++;
932 surface = loadmodel->data_surfaces;
933 surface->texture = loadmodel->data_textures;
934 surface->num_firsttriangle = 0;
935 surface->num_triangles = loadmodel->surfmesh.num_triangles;
936 surface->num_firstvertex = 0;
937 surface->num_vertices = loadmodel->surfmesh.num_vertices;
939 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
942 void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
944 int i, j, hashindex, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end;
945 float iskinwidth, iskinheight;
949 unsigned char *base, *datapointer;
950 md2frame_t *pinframe;
952 md2triangle_t *intri;
953 unsigned short *inst;
956 struct md2verthash_s *next;
960 *hash, **md2verthash, *md2verthashdata;
961 skinframe_t tempskinframe;
962 skinfile_t *skinfiles;
964 pinmodel = (md2_t *)buffer;
965 base = (unsigned char *)buffer;
967 version = LittleLong (pinmodel->version);
968 if (version != MD2ALIAS_VERSION)
969 Host_Error ("%s has wrong version number (%i should be %i)",
970 loadmodel->name, version, MD2ALIAS_VERSION);
972 loadmodel->type = mod_alias;
973 loadmodel->DrawSky = NULL;
974 loadmodel->Draw = R_Q1BSP_Draw;
975 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
976 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
977 loadmodel->DrawLight = R_Q1BSP_DrawLight;
978 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
980 if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
981 Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
982 if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
983 Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
984 if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
985 Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
986 if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
987 Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
989 end = LittleLong(pinmodel->ofs_end);
990 if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
991 Host_Error ("%s is not a valid model", loadmodel->name);
992 if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
993 Host_Error ("%s is not a valid model", loadmodel->name);
994 if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
995 Host_Error ("%s is not a valid model", loadmodel->name);
996 if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
997 Host_Error ("%s is not a valid model", loadmodel->name);
998 if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
999 Host_Error ("%s is not a valid model", loadmodel->name);
1001 loadmodel->numskins = LittleLong(pinmodel->num_skins);
1002 numxyz = LittleLong(pinmodel->num_xyz);
1003 numst = LittleLong(pinmodel->num_st);
1004 loadmodel->surfmesh.num_triangles = LittleLong(pinmodel->num_tris);
1005 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1006 loadmodel->surfmesh.num_morphframes = loadmodel->numframes;
1007 skinwidth = LittleLong(pinmodel->skinwidth);
1008 skinheight = LittleLong(pinmodel->skinheight);
1009 iskinwidth = 1.0f / skinwidth;
1010 iskinheight = 1.0f / skinheight;
1012 loadmodel->num_surfaces = 1;
1013 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1014 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]));
1015 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1016 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1017 loadmodel->surfacelist[0] = 0;
1018 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1019 loadmodel->surfmesh.data_morphmd2framesize6f = (float *)data;data += loadmodel->numframes * sizeof(float[6]);
1020 loadmodel->surfmesh.data_element3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1021 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
1023 loadmodel->flags = 0; // there are no MD2 flags
1024 loadmodel->synctype = ST_RAND;
1027 inskin = (char *)(base + LittleLong(pinmodel->ofs_skins));
1028 skinfiles = Mod_LoadSkinFiles();
1031 loadmodel->num_textures = loadmodel->num_surfaces;
1032 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1033 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
1034 Mod_FreeSkinFiles(skinfiles);
1036 else if (loadmodel->numskins)
1038 // skins found (most likely not a player model)
1039 loadmodel->num_textures = loadmodel->num_surfaces;
1040 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1041 for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
1043 if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
1044 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, &tempskinframe);
1047 Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
1048 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, NULL);
1054 // no skins (most likely a player model)
1055 loadmodel->numskins = 1;
1056 loadmodel->num_textures = loadmodel->num_surfaces;
1057 loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
1058 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures, NULL);
1061 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1062 for (i = 0;i < loadmodel->numskins;i++)
1064 loadmodel->skinscenes[i].firstframe = i;
1065 loadmodel->skinscenes[i].framecount = 1;
1066 loadmodel->skinscenes[i].loop = true;
1067 loadmodel->skinscenes[i].framerate = 10;
1070 // load the triangles and stvert data
1071 inst = (unsigned short *)(base + LittleLong(pinmodel->ofs_st));
1072 intri = (md2triangle_t *)(base + LittleLong(pinmodel->ofs_tris));
1073 md2verthash = (struct md2verthash_s **)Mem_Alloc(tempmempool, 65536 * sizeof(hash));
1074 md2verthashdata = (struct md2verthash_s *)Mem_Alloc(tempmempool, loadmodel->surfmesh.num_triangles * 3 * sizeof(*hash));
1075 // swap the triangle list
1076 loadmodel->surfmesh.num_vertices = 0;
1077 for (i = 0;i < loadmodel->surfmesh.num_triangles;i++)
1079 for (j = 0;j < 3;j++)
1081 xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
1082 st = (unsigned short) LittleShort (intri[i].index_st[j]);
1085 Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
1090 Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
1093 hashindex = (xyz * 256 + st) & 65535;
1094 for (hash = md2verthash[hashindex];hash;hash = hash->next)
1095 if (hash->xyz == xyz && hash->st == st)
1099 hash = md2verthashdata + loadmodel->surfmesh.num_vertices++;
1102 hash->next = md2verthash[hashindex];
1103 md2verthash[hashindex] = hash;
1105 loadmodel->surfmesh.data_element3i[i*3+j] = (hash - md2verthashdata);
1109 vertremap = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(int));
1110 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));
1111 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
1112 loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)data;data += loadmodel->surfmesh.num_vertices * loadmodel->surfmesh.num_morphframes * sizeof(trivertx_t);
1113 for (i = 0;i < loadmodel->surfmesh.num_vertices;i++)
1116 hash = md2verthashdata + i;
1117 vertremap[i] = hash->xyz;
1118 sts = LittleShort(inst[hash->st*2+0]);
1119 stt = LittleShort(inst[hash->st*2+1]);
1120 if (sts < 0 || sts >= skinwidth || stt < 0 || stt >= skinheight)
1122 Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, sts, stt, i);
1126 loadmodel->surfmesh.data_texcoordtexture2f[i*2+0] = sts * iskinwidth;
1127 loadmodel->surfmesh.data_texcoordtexture2f[i*2+1] = stt * iskinheight;
1130 Mem_Free(md2verthash);
1131 Mem_Free(md2verthashdata);
1134 datapointer = (base + LittleLong(pinmodel->ofs_frames));
1135 for (i = 0;i < loadmodel->surfmesh.num_morphframes;i++)
1140 pinframe = (md2frame_t *)datapointer;
1141 datapointer += sizeof(md2frame_t);
1142 // store the frame scale/translate into the appropriate array
1143 for (j = 0;j < 3;j++)
1145 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+j] = LittleFloat(pinframe->scale[j]);
1146 loadmodel->surfmesh.data_morphmd2framesize6f[i*6+3+j] = LittleFloat(pinframe->translate[j]);
1148 // convert the vertices
1149 v = (trivertx_t *)datapointer;
1150 out = loadmodel->surfmesh.data_morphmdlvertex + i * loadmodel->surfmesh.num_vertices;
1151 for (k = 0;k < loadmodel->surfmesh.num_vertices;k++)
1152 out[k] = v[vertremap[k]];
1153 datapointer += numxyz * sizeof(trivertx_t);
1155 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1156 loadmodel->animscenes[i].firstframe = i;
1157 loadmodel->animscenes[i].framecount = 1;
1158 loadmodel->animscenes[i].framerate = 10;
1159 loadmodel->animscenes[i].loop = true;
1162 Mem_Free(vertremap);
1164 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1165 Mod_Alias_CalculateBoundingBox();
1166 Mod_Alias_Mesh_CompileFrameZero();
1168 surface = loadmodel->data_surfaces;
1169 surface->texture = loadmodel->data_textures;
1170 surface->num_firsttriangle = 0;
1171 surface->num_triangles = loadmodel->surfmesh.num_triangles;
1172 surface->num_firstvertex = 0;
1173 surface->num_vertices = loadmodel->surfmesh.num_vertices;
1175 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1178 void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
1180 int i, j, k, version, meshvertices, meshtriangles;
1181 unsigned char *data;
1182 msurface_t *surface;
1183 md3modelheader_t *pinmodel;
1184 md3frameinfo_t *pinframe;
1187 skinfile_t *skinfiles;
1189 pinmodel = (md3modelheader_t *)buffer;
1191 if (memcmp(pinmodel->identifier, "IDP3", 4))
1192 Host_Error ("%s is not a MD3 (IDP3) file", loadmodel->name);
1193 version = LittleLong (pinmodel->version);
1194 if (version != MD3VERSION)
1195 Host_Error ("%s has wrong version number (%i should be %i)",
1196 loadmodel->name, version, MD3VERSION);
1198 skinfiles = Mod_LoadSkinFiles();
1199 if (loadmodel->numskins < 1)
1200 loadmodel->numskins = 1;
1202 loadmodel->type = mod_alias;
1203 loadmodel->DrawSky = NULL;
1204 loadmodel->Draw = R_Q1BSP_Draw;
1205 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1206 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1207 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1208 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1209 loadmodel->flags = LittleLong(pinmodel->flags);
1210 loadmodel->synctype = ST_RAND;
1212 // set up some global info about the model
1213 loadmodel->numframes = LittleLong(pinmodel->num_frames);
1214 loadmodel->num_surfaces = LittleLong(pinmodel->num_meshes);
1216 // make skinscenes for the skins (no groups)
1217 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1218 for (i = 0;i < loadmodel->numskins;i++)
1220 loadmodel->skinscenes[i].firstframe = i;
1221 loadmodel->skinscenes[i].framecount = 1;
1222 loadmodel->skinscenes[i].loop = true;
1223 loadmodel->skinscenes[i].framerate = 10;
1227 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
1228 for (i = 0, pinframe = (md3frameinfo_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
1230 strlcpy(loadmodel->animscenes[i].name, pinframe->name, sizeof(loadmodel->animscenes[i].name));
1231 loadmodel->animscenes[i].firstframe = i;
1232 loadmodel->animscenes[i].framecount = 1;
1233 loadmodel->animscenes[i].framerate = 10;
1234 loadmodel->animscenes[i].loop = true;
1238 loadmodel->num_tagframes = loadmodel->numframes;
1239 loadmodel->num_tags = LittleLong(pinmodel->num_tags);
1240 loadmodel->data_tags = (aliastag_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_tagframes * loadmodel->num_tags * sizeof(aliastag_t));
1241 for (i = 0, pintag = (md3tag_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->num_tagframes * loadmodel->num_tags;i++, pintag++)
1243 strlcpy(loadmodel->data_tags[i].name, pintag->name, sizeof(loadmodel->data_tags[i].name));
1244 for (j = 0;j < 9;j++)
1245 loadmodel->data_tags[i].matrixgl[j] = LittleFloat(pintag->rotationmatrix[j]);
1246 for (j = 0;j < 3;j++)
1247 loadmodel->data_tags[i].matrixgl[9+j] = LittleFloat(pintag->origin[j]);
1248 //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);
1254 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)))
1256 if (memcmp(pinmesh->identifier, "IDP3", 4))
1257 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1258 if (LittleLong(pinmesh->num_frames) != loadmodel->numframes)
1259 Host_Error("Mod_IDP3_Load: mesh numframes differs from header");
1260 meshvertices += LittleLong(pinmesh->num_vertices);
1261 meshtriangles += LittleLong(pinmesh->num_triangles);
1264 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1265 loadmodel->num_textures = loadmodel->num_surfaces;
1266 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));
1267 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1268 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1269 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1270 loadmodel->surfmesh.num_vertices = meshvertices;
1271 loadmodel->surfmesh.num_triangles = meshtriangles;
1272 loadmodel->surfmesh.num_morphframes = loadmodel->numframes; // TODO: remove?
1273 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1274 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1275 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1276 loadmodel->surfmesh.data_morphmd3vertex = (md3vertex_t *)data;data += meshvertices * loadmodel->numframes * sizeof(md3vertex_t);
1280 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)))
1282 if (memcmp(pinmesh->identifier, "IDP3", 4))
1283 Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
1284 loadmodel->surfacelist[i] = i;
1285 surface = loadmodel->data_surfaces + i;
1286 surface->texture = loadmodel->data_textures + i;
1287 surface->num_firsttriangle = meshtriangles;
1288 surface->num_triangles = LittleLong(pinmesh->num_triangles);
1289 surface->num_firstvertex = meshvertices;
1290 surface->num_vertices = LittleLong(pinmesh->num_vertices);
1291 meshvertices += surface->num_vertices;
1292 meshtriangles += surface->num_triangles;
1294 for (j = 0;j < surface->num_triangles * 3;j++)
1295 loadmodel->surfmesh.data_element3i[j + surface->num_firsttriangle * 3] = surface->num_firstvertex + LittleLong(((int *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
1296 for (j = 0;j < surface->num_vertices;j++)
1298 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 0] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
1299 loadmodel->surfmesh.data_texcoordtexture2f[(j + surface->num_firstvertex) * 2 + 1] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
1301 for (j = 0;j < loadmodel->numframes;j++)
1303 const md3vertex_t *in = (md3vertex_t *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)) + j * surface->num_vertices;
1304 md3vertex_t *out = loadmodel->surfmesh.data_morphmd3vertex + surface->num_firstvertex + j * loadmodel->surfmesh.num_vertices;
1305 for (k = 0;k < surface->num_vertices;k++, in++, out++)
1307 out->origin[0] = LittleShort(in->origin[0]);
1308 out->origin[1] = LittleShort(in->origin[1]);
1309 out->origin[2] = LittleShort(in->origin[2]);
1310 out->pitch = in->pitch;
1315 if (LittleLong(pinmesh->num_shaders) >= 1)
1316 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, pinmesh->name, ((md3shader_t *)((unsigned char *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
1318 for (j = 0;j < loadmodel->numskins;j++)
1319 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1321 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
1323 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1324 Mod_Alias_Mesh_CompileFrameZero();
1325 Mod_Alias_CalculateBoundingBox();
1326 Mod_FreeSkinFiles(skinfiles);
1328 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1331 void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1333 zymtype1header_t *pinmodel, *pheader;
1334 unsigned char *pbase;
1335 int i, j, k, numposes, meshvertices, meshtriangles, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements;
1336 float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f, *bonepose;
1337 zymvertex_t *verts, *vertdata;
1341 skinfile_t *skinfiles;
1342 unsigned char *data;
1343 msurface_t *surface;
1345 pinmodel = (zymtype1header_t *)buffer;
1346 pbase = (unsigned char *)buffer;
1347 if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
1348 Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model");
1349 if (BigLong(pinmodel->type) != 1)
1350 Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1352 loadmodel->type = mod_alias;
1353 loadmodel->flags = 0; // there are no flags on zym models
1354 loadmodel->synctype = ST_RAND;
1358 pheader->type = BigLong(pinmodel->type);
1359 pheader->filesize = BigLong(pinmodel->filesize);
1360 pheader->mins[0] = BigFloat(pinmodel->mins[0]);
1361 pheader->mins[1] = BigFloat(pinmodel->mins[1]);
1362 pheader->mins[2] = BigFloat(pinmodel->mins[2]);
1363 pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
1364 pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
1365 pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
1366 pheader->radius = BigFloat(pinmodel->radius);
1367 pheader->numverts = BigLong(pinmodel->numverts);
1368 pheader->numtris = BigLong(pinmodel->numtris);
1369 pheader->numshaders = BigLong(pinmodel->numshaders);
1370 pheader->numbones = BigLong(pinmodel->numbones);
1371 pheader->numscenes = BigLong(pinmodel->numscenes);
1372 pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
1373 pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
1374 pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
1375 pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
1376 pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
1377 pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
1378 pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
1379 pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
1380 pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
1381 pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
1382 pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
1383 pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
1384 pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
1385 pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
1386 pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
1387 pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
1388 pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
1389 pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
1391 if (pheader->numtris < 1 || pheader->numverts < 3 || pheader->numshaders < 1)
1393 Con_Printf("%s has no geometry\n");
1396 if (pheader->numscenes < 1 || pheader->lump_poses.length < (int)sizeof(float[3][4]))
1398 Con_Printf("%s has no animations\n");
1402 loadmodel->DrawSky = NULL;
1403 loadmodel->Draw = R_Q1BSP_Draw;
1404 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1405 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1406 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1407 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1409 loadmodel->numframes = pheader->numscenes;
1410 loadmodel->num_surfaces = pheader->numshaders;
1412 skinfiles = Mod_LoadSkinFiles();
1413 if (loadmodel->numskins < 1)
1414 loadmodel->numskins = 1;
1416 // make skinscenes for the skins (no groups)
1417 loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
1418 for (i = 0;i < loadmodel->numskins;i++)
1420 loadmodel->skinscenes[i].firstframe = i;
1421 loadmodel->skinscenes[i].framecount = 1;
1422 loadmodel->skinscenes[i].loop = true;
1423 loadmodel->skinscenes[i].framerate = 10;
1427 modelradius = pheader->radius;
1428 for (i = 0;i < 3;i++)
1430 loadmodel->normalmins[i] = pheader->mins[i];
1431 loadmodel->normalmaxs[i] = pheader->maxs[i];
1432 loadmodel->rotatedmins[i] = -modelradius;
1433 loadmodel->rotatedmaxs[i] = modelradius;
1435 corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
1436 corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
1437 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
1438 if (loadmodel->yawmaxs[0] > modelradius)
1439 loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
1440 loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
1441 loadmodel->yawmins[2] = loadmodel->normalmins[2];
1442 loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
1443 loadmodel->radius = modelradius;
1444 loadmodel->radius2 = modelradius * modelradius;
1446 // go through the lumps, swapping things
1448 //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
1449 loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
1450 scene = (zymscene_t *) (pheader->lump_scenes.start + pbase);
1451 numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
1452 for (i = 0;i < pheader->numscenes;i++)
1454 memcpy(loadmodel->animscenes[i].name, scene->name, 32);
1455 loadmodel->animscenes[i].firstframe = BigLong(scene->start);
1456 loadmodel->animscenes[i].framecount = BigLong(scene->length);
1457 loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
1458 loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
1459 if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
1460 Host_Error("%s scene->firstframe (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
1461 if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
1462 Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
1463 if (loadmodel->animscenes[i].framerate < 0)
1464 Host_Error("%s scene->framerate (%f) < 0", loadmodel->name, loadmodel->animscenes[i].framerate);
1468 //zymlump_t lump_bones; // zymbone_t bone[numbones];
1469 loadmodel->num_bones = pheader->numbones;
1470 loadmodel->data_bones = (aliasbone_t *)Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
1471 bone = (zymbone_t *) (pheader->lump_bones.start + pbase);
1472 for (i = 0;i < pheader->numbones;i++)
1474 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1475 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1476 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1477 if (loadmodel->data_bones[i].parent >= i)
1478 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1481 //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
1482 vertbonecounts = (int *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
1483 bonecount = (int *) (pheader->lump_vertbonecounts.start + pbase);
1484 for (i = 0;i < pheader->numverts;i++)
1486 vertbonecounts[i] = BigLong(bonecount[i]);
1487 if (vertbonecounts[i] != 1)
1488 Host_Error("%s bonecount[%i] != 1 (vertex weight support is impossible in this format)", loadmodel->name, i);
1491 loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
1493 meshvertices = pheader->numverts;
1494 meshtriangles = pheader->numtris;
1496 loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
1497 loadmodel->num_textures = loadmodel->num_surfaces;
1498 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * sizeof(float[14]) + meshvertices * sizeof(int[4]) + meshvertices * sizeof(float[4]) + loadmodel->num_poses * sizeof(float[36]));
1499 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1500 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1501 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1502 loadmodel->surfmesh.num_vertices = meshvertices;
1503 loadmodel->surfmesh.num_triangles = meshtriangles;
1504 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1505 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1506 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1507 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1508 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1509 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1510 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1511 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1512 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1513 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1514 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1515 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1517 //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
1518 poses = (float *) (pheader->lump_poses.start + pbase);
1519 for (i = 0;i < pheader->lump_poses.length / 4;i++)
1520 loadmodel->data_poses[i] = BigFloat(poses[i]);
1522 //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
1523 verts = (zymvertex_t *)Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
1524 vertdata = (zymvertex_t *) (pheader->lump_verts.start + pbase);
1525 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1526 // (converting from weight-blending skeletal animation to
1527 // deformation-based skeletal animation)
1528 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1529 for (i = 0;i < loadmodel->num_bones;i++)
1531 const float *m = loadmodel->data_poses + i * 12;
1532 if (loadmodel->data_bones[i].parent >= 0)
1533 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1535 for (k = 0;k < 12;k++)
1536 bonepose[12*i+k] = m[k];
1538 for (j = 0;j < pheader->numverts;j++)
1540 // this format really should have had a per vertexweight weight value...
1541 // but since it does not, the weighting is completely ignored and
1542 // only one weight is allowed per vertex
1543 int boneindex = BigLong(vertdata[j].bonenum);
1544 const float *m = bonepose + 12 * boneindex;
1545 float relativeorigin[3];
1546 relativeorigin[0] = BigFloat(vertdata[j].origin[0]);
1547 relativeorigin[1] = BigFloat(vertdata[j].origin[1]);
1548 relativeorigin[2] = BigFloat(vertdata[j].origin[2]);
1549 // transform the vertex bone weight into the base mesh
1550 loadmodel->surfmesh.data_vertex3f[j*3+0] = relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + m[ 3];
1551 loadmodel->surfmesh.data_vertex3f[j*3+1] = relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + m[ 7];
1552 loadmodel->surfmesh.data_vertex3f[j*3+2] = relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + m[11];
1553 // store the weight as the primary weight on this vertex
1554 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1555 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = 1;
1558 // normals and tangents are calculated after elements are loaded
1560 //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
1561 outtexcoord2f = loadmodel->surfmesh.data_texcoordtexture2f;
1562 intexcoord2f = (float *) (pheader->lump_texcoords.start + pbase);
1563 for (i = 0;i < pheader->numverts;i++)
1565 outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
1566 // flip T coordinate for OpenGL
1567 outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
1570 //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
1571 //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
1572 //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
1574 //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
1575 //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)
1576 // byteswap, validate, and swap winding order of tris
1577 count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
1578 if (pheader->lump_render.length != count)
1579 Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)", loadmodel->name, pheader->lump_render.length, count);
1580 renderlist = (int *) (pheader->lump_render.start + pbase);
1581 renderlistend = (int *) ((unsigned char *) renderlist + pheader->lump_render.length);
1583 for (i = 0;i < loadmodel->num_surfaces;i++)
1585 int firstvertex, lastvertex;
1586 if (renderlist >= renderlistend)
1587 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1588 count = BigLong(*renderlist);renderlist++;
1589 if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
1590 Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
1592 loadmodel->surfacelist[i] = i;
1593 surface = loadmodel->data_surfaces + i;
1594 surface->texture = loadmodel->data_textures + i;
1595 surface->num_firsttriangle = meshtriangles;
1596 surface->num_triangles = count;
1597 meshtriangles += surface->num_triangles;
1599 // load the elements
1600 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1601 for (j = 0;j < surface->num_triangles;j++, renderlist += 3)
1603 outelements[j*3+2] = BigLong(renderlist[0]);
1604 outelements[j*3+1] = BigLong(renderlist[1]);
1605 outelements[j*3+0] = BigLong(renderlist[2]);
1607 // validate the elements and find the used vertex range
1608 firstvertex = meshvertices;
1610 for (j = 0;j < surface->num_triangles * 3;j++)
1612 if ((unsigned int)outelements[j] >= (unsigned int)meshvertices)
1613 Host_Error("%s corrupt renderlist (out of bounds index)", loadmodel->name);
1614 firstvertex = min(firstvertex, outelements[j]);
1615 lastvertex = max(lastvertex, outelements[j]);
1617 surface->num_firstvertex = firstvertex;
1618 surface->num_vertices = lastvertex + 1 - firstvertex;
1620 // since zym models do not have named sections, reuse their shader
1621 // name as the section name
1622 shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
1624 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, shadername, shadername);
1626 for (j = 0;j < loadmodel->numskins;j++)
1627 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1629 Mod_FreeSkinFiles(skinfiles);
1630 Mem_Free(vertbonecounts);
1633 // compute all the mesh information that was not loaded from the file
1634 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
1635 Mod_BuildBaseBonePoses();
1636 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
1637 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);
1638 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1640 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1643 void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1645 dpmheader_t *pheader;
1649 unsigned char *pbase;
1650 int i, j, k, meshvertices, meshtriangles;
1651 skinfile_t *skinfiles;
1652 unsigned char *data;
1655 pheader = (dpmheader_t *)buffer;
1656 pbase = (unsigned char *)buffer;
1657 if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
1658 Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a darkplaces model");
1659 if (BigLong(pheader->type) != 2)
1660 Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)", loadmodel->name);
1662 loadmodel->type = mod_alias;
1663 loadmodel->flags = 0; // there are no flags on zym models
1664 loadmodel->synctype = ST_RAND;
1667 pheader->type = BigLong(pheader->type);
1668 pheader->filesize = BigLong(pheader->filesize);
1669 pheader->mins[0] = BigFloat(pheader->mins[0]);
1670 pheader->mins[1] = BigFloat(pheader->mins[1]);
1671 pheader->mins[2] = BigFloat(pheader->mins[2]);
1672 pheader->maxs[0] = BigFloat(pheader->maxs[0]);
1673 pheader->maxs[1] = BigFloat(pheader->maxs[1]);
1674 pheader->maxs[2] = BigFloat(pheader->maxs[2]);
1675 pheader->yawradius = BigFloat(pheader->yawradius);
1676 pheader->allradius = BigFloat(pheader->allradius);
1677 pheader->num_bones = BigLong(pheader->num_bones);
1678 pheader->num_meshs = BigLong(pheader->num_meshs);
1679 pheader->num_frames = BigLong(pheader->num_frames);
1680 pheader->ofs_bones = BigLong(pheader->ofs_bones);
1681 pheader->ofs_meshs = BigLong(pheader->ofs_meshs);
1682 pheader->ofs_frames = BigLong(pheader->ofs_frames);
1684 if (pheader->num_bones < 1 || pheader->num_meshs < 1)
1686 Con_Printf("%s has no geometry\n");
1689 if (pheader->num_frames < 1)
1691 Con_Printf("%s has no frames\n");
1695 loadmodel->DrawSky = NULL;
1696 loadmodel->Draw = R_Q1BSP_Draw;
1697 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1698 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1699 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1700 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1703 for (i = 0;i < 3;i++)
1705 loadmodel->normalmins[i] = pheader->mins[i];
1706 loadmodel->normalmaxs[i] = pheader->maxs[i];
1707 loadmodel->yawmins[i] = i != 2 ? -pheader->yawradius : pheader->mins[i];
1708 loadmodel->yawmaxs[i] = i != 2 ? pheader->yawradius : pheader->maxs[i];
1709 loadmodel->rotatedmins[i] = -pheader->allradius;
1710 loadmodel->rotatedmaxs[i] = pheader->allradius;
1712 loadmodel->radius = pheader->allradius;
1713 loadmodel->radius2 = pheader->allradius * pheader->allradius;
1715 // load external .skin files if present
1716 skinfiles = Mod_LoadSkinFiles();
1717 if (loadmodel->numskins < 1)
1718 loadmodel->numskins = 1;
1723 // gather combined statistics from the meshes
1724 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1725 for (i = 0;i < (int)pheader->num_meshs;i++)
1727 int numverts = BigLong(dpmmesh->num_verts);
1728 meshvertices += numverts;;
1729 meshtriangles += BigLong(dpmmesh->num_tris);
1733 loadmodel->numframes = pheader->num_frames;
1734 loadmodel->num_bones = pheader->num_bones;
1735 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
1736 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = pheader->num_meshs;
1737 // do most allocations as one merged chunk
1738 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(int[4]) + sizeof(float[4])) + loadmodel->num_poses * sizeof(float[36]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
1739 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
1740 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
1741 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
1742 loadmodel->surfmesh.num_vertices = meshvertices;
1743 loadmodel->surfmesh.num_triangles = meshtriangles;
1744 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1745 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
1746 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
1747 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1748 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
1749 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
1750 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
1751 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
1752 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
1753 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1754 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1755 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
1756 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
1757 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
1758 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
1760 for (i = 0;i < loadmodel->numskins;i++)
1762 loadmodel->skinscenes[i].firstframe = i;
1763 loadmodel->skinscenes[i].framecount = 1;
1764 loadmodel->skinscenes[i].loop = true;
1765 loadmodel->skinscenes[i].framerate = 10;
1768 // load the bone info
1769 bone = (dpmbone_t *) (pbase + pheader->ofs_bones);
1770 for (i = 0;i < loadmodel->num_bones;i++)
1772 memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
1773 loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
1774 loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
1775 if (loadmodel->data_bones[i].parent >= i)
1776 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
1780 frame = (dpmframe_t *) (pbase + pheader->ofs_frames);
1781 for (i = 0;i < loadmodel->numframes;i++)
1784 memcpy(loadmodel->animscenes[i].name, frame->name, sizeof(frame->name));
1785 loadmodel->animscenes[i].firstframe = i;
1786 loadmodel->animscenes[i].framecount = 1;
1787 loadmodel->animscenes[i].loop = true;
1788 loadmodel->animscenes[i].framerate = 10;
1789 // load the bone poses for this frame
1790 poses = (float *) (pbase + BigLong(frame->ofs_bonepositions));
1791 for (j = 0;j < loadmodel->num_bones*12;j++)
1792 loadmodel->data_poses[i * loadmodel->num_bones*12 + j] = BigFloat(poses[j]);
1793 // stuff not processed here: mins, maxs, yawradius, allradius
1797 // load the meshes now
1798 dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
1801 // reconstruct frame 0 matrices to allow reconstruction of the base mesh
1802 // (converting from weight-blending skeletal animation to
1803 // deformation-based skeletal animation)
1804 bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
1805 for (i = 0;i < loadmodel->num_bones;i++)
1807 const float *m = loadmodel->data_poses + i * 12;
1808 if (loadmodel->data_bones[i].parent >= 0)
1809 R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
1811 for (k = 0;k < 12;k++)
1812 bonepose[12*i+k] = m[k];
1814 for (i = 0;i < loadmodel->num_surfaces;i++, dpmmesh++)
1816 const int *inelements;
1818 const float *intexcoord;
1819 msurface_t *surface;
1821 loadmodel->surfacelist[i] = i;
1822 surface = loadmodel->data_surfaces + i;
1823 surface->texture = loadmodel->data_textures + i;
1824 surface->num_firsttriangle = meshtriangles;
1825 surface->num_triangles = BigLong(dpmmesh->num_tris);
1826 surface->num_firstvertex = meshvertices;
1827 surface->num_vertices = BigLong(dpmmesh->num_verts);
1828 meshvertices += surface->num_vertices;
1829 meshtriangles += surface->num_triangles;
1831 inelements = (int *) (pbase + BigLong(dpmmesh->ofs_indices));
1832 outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
1833 for (j = 0;j < surface->num_triangles;j++)
1835 // swap element order to flip triangles, because Quake uses clockwise (rare) and dpm uses counterclockwise (standard)
1836 outelements[0] = surface->num_firstvertex + BigLong(inelements[2]);
1837 outelements[1] = surface->num_firstvertex + BigLong(inelements[1]);
1838 outelements[2] = surface->num_firstvertex + BigLong(inelements[0]);
1843 intexcoord = (float *) (pbase + BigLong(dpmmesh->ofs_texcoords));
1844 for (j = 0;j < surface->num_vertices*2;j++)
1845 loadmodel->surfmesh.data_texcoordtexture2f[j + surface->num_firstvertex * 2] = BigFloat(intexcoord[j]);
1847 data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
1848 for (j = surface->num_firstvertex;j < surface->num_firstvertex + surface->num_vertices;j++)
1852 int numweights = BigLong(((dpmvertex_t *)data)->numbones);
1853 data += sizeof(dpmvertex_t);
1854 for (k = 0;k < numweights;k++)
1856 const dpmbonevert_t *vert = (dpmbonevert_t *) data;
1857 int boneindex = BigLong(vert->bonenum);
1858 const float *m = bonepose + 12 * boneindex;
1859 float influence = BigFloat(vert->influence);
1860 float relativeorigin[3], relativenormal[3];
1861 relativeorigin[0] = BigFloat(vert->origin[0]);
1862 relativeorigin[1] = BigFloat(vert->origin[1]);
1863 relativeorigin[2] = BigFloat(vert->origin[2]);
1864 relativenormal[0] = BigFloat(vert->normal[0]);
1865 relativenormal[1] = BigFloat(vert->normal[1]);
1866 relativenormal[2] = BigFloat(vert->normal[2]);
1867 // blend the vertex bone weights into the base mesh
1868 loadmodel->surfmesh.data_vertex3f[j*3+0] += relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + influence * m[ 3];
1869 loadmodel->surfmesh.data_vertex3f[j*3+1] += relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + influence * m[ 7];
1870 loadmodel->surfmesh.data_vertex3f[j*3+2] += relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + influence * m[11];
1871 loadmodel->surfmesh.data_normal3f[j*3+0] += relativenormal[0] * m[0] + relativenormal[1] * m[1] + relativenormal[2] * m[ 2];
1872 loadmodel->surfmesh.data_normal3f[j*3+1] += relativenormal[0] * m[4] + relativenormal[1] * m[5] + relativenormal[2] * m[ 6];
1873 loadmodel->surfmesh.data_normal3f[j*3+2] += relativenormal[0] * m[8] + relativenormal[1] * m[9] + relativenormal[2] * m[10];
1876 // store the first (and often only) weight
1877 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = influence;
1878 loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
1882 // sort the new weight into this vertex's weight table
1883 // (which only accepts up to 4 bones per vertex)
1884 for (l = 0;l < 4;l++)
1886 if (loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] < influence)
1888 // move weaker influence weights out of the way first
1890 for (l2 = 3;l2 > l;l2--)
1892 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2-1];
1893 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2-1];
1895 // store the new weight
1896 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] = influence;
1897 loadmodel->surfmesh.data_vertexweightindex4i[j*4+l] = boneindex;
1902 data += sizeof(dpmbonevert_t);
1905 for (l = 0;l < 4;l++)
1906 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l];
1907 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
1909 float f = 1.0f / sum;
1910 for (l = 0;l < 4;l++)
1911 loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] *= f;
1915 // since dpm models do not have named sections, reuse their shader name as the section name
1916 if (dpmmesh->shadername[0])
1917 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, dpmmesh->shadername, dpmmesh->shadername);
1919 for (j = 0;j < loadmodel->numskins;j++)
1920 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
1922 Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
1925 Mod_FreeSkinFiles(skinfiles);
1927 // compute all the mesh information that was not loaded from the file
1928 Mod_BuildBaseBonePoses();
1929 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);
1930 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
1932 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
1935 // no idea why PSK/PSA files contain weird quaternions but they do...
1936 #define PSKQUATNEGATIONS
1937 void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend)
1939 int i, j, index, version, recordsize, numrecords, meshvertices, meshtriangles;
1940 int numpnts, numvtxw, numfaces, nummatts, numbones, numrawweights, numanimbones, numanims, numanimkeys;
1941 fs_offset_t filesize;
1946 pskboneinfo_t *bones;
1947 pskrawweights_t *rawweights;
1948 pskboneinfo_t *animbones;
1949 pskaniminfo_t *anims;
1950 pskanimkeys_t *animkeys;
1951 void *animfilebuffer, *animbuffer, *animbufferend;
1952 unsigned char *data;
1954 skinfile_t *skinfiles;
1955 char animname[MAX_QPATH];
1957 pchunk = (pskchunk_t *)buffer;
1958 if (strcmp(pchunk->id, "ACTRHEAD"))
1959 Host_Error ("Mod_PSKMODEL_Load: %s is not an Unreal Engine ActorX (.psk + .psa) model");
1961 loadmodel->type = mod_alias;
1962 loadmodel->DrawSky = NULL;
1963 loadmodel->Draw = R_Q1BSP_Draw;
1964 loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
1965 loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
1966 loadmodel->DrawLight = R_Q1BSP_DrawLight;
1967 loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
1968 loadmodel->flags = 0; // there are no flags on zym models
1969 loadmodel->synctype = ST_RAND;
1971 FS_StripExtension(loadmodel->name, animname, sizeof(animname));
1972 strlcat(animname, ".psa", sizeof(animname));
1973 animbuffer = animfilebuffer = FS_LoadFile(animname, loadmodel->mempool, false, &filesize);
1974 animbufferend = (void *)((unsigned char*)animbuffer + (int)filesize);
1975 if (animbuffer == NULL)
1976 Host_Error("%s: can't find .psa file (%s)", loadmodel->name, animname);
1995 while (buffer < bufferend)
1997 pchunk = (pskchunk_t *)buffer;
1998 buffer = (void *)((unsigned char *)buffer + sizeof(pskchunk_t));
1999 version = LittleLong(pchunk->version);
2000 recordsize = LittleLong(pchunk->recordsize);
2001 numrecords = LittleLong(pchunk->numrecords);
2002 if (developer.integer >= 100)
2003 Con_Printf("%s: %s %x: %i * %i = %i\n", loadmodel->name, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2004 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2005 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);
2006 if (!strcmp(pchunk->id, "ACTRHEAD"))
2010 else if (!strcmp(pchunk->id, "PNTS0000"))
2013 if (recordsize != sizeof(*p))
2014 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2015 // byteswap in place and keep the pointer
2016 numpnts = numrecords;
2017 pnts = (pskpnts_t *)buffer;
2018 for (index = 0, p = (pskpnts_t *)buffer;index < numrecords;index++, p++)
2020 p->origin[0] = LittleFloat(p->origin[0]);
2021 p->origin[1] = LittleFloat(p->origin[1]);
2022 p->origin[2] = LittleFloat(p->origin[2]);
2026 else if (!strcmp(pchunk->id, "VTXW0000"))
2029 if (recordsize != sizeof(*p))
2030 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2031 // byteswap in place and keep the pointer
2032 numvtxw = numrecords;
2033 vtxw = (pskvtxw_t *)buffer;
2034 for (index = 0, p = (pskvtxw_t *)buffer;index < numrecords;index++, p++)
2036 p->pntsindex = LittleShort(p->pntsindex);
2037 p->texcoord[0] = LittleFloat(p->texcoord[0]);
2038 p->texcoord[1] = LittleFloat(p->texcoord[1]);
2039 if (p->pntsindex >= numpnts)
2041 Con_Printf("%s: vtxw->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2047 else if (!strcmp(pchunk->id, "FACE0000"))
2050 if (recordsize != sizeof(*p))
2051 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2052 // byteswap in place and keep the pointer
2053 numfaces = numrecords;
2054 faces = (pskface_t *)buffer;
2055 for (index = 0, p = (pskface_t *)buffer;index < numrecords;index++, p++)
2057 p->vtxwindex[0] = LittleShort(p->vtxwindex[0]);
2058 p->vtxwindex[1] = LittleShort(p->vtxwindex[1]);
2059 p->vtxwindex[2] = LittleShort(p->vtxwindex[2]);
2060 p->group = LittleLong(p->group);
2061 if (p->vtxwindex[0] >= numvtxw)
2063 Con_Printf("%s: face->vtxwindex[0] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[0], numvtxw);
2064 p->vtxwindex[0] = 0;
2066 if (p->vtxwindex[1] >= numvtxw)
2068 Con_Printf("%s: face->vtxwindex[1] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[1], numvtxw);
2069 p->vtxwindex[1] = 0;
2071 if (p->vtxwindex[2] >= numvtxw)
2073 Con_Printf("%s: face->vtxwindex[2] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[2], numvtxw);
2074 p->vtxwindex[2] = 0;
2079 else if (!strcmp(pchunk->id, "MATT0000"))
2082 if (recordsize != sizeof(*p))
2083 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2084 // byteswap in place and keep the pointer
2085 nummatts = numrecords;
2086 matts = (pskmatt_t *)buffer;
2087 for (index = 0, p = (pskmatt_t *)buffer;index < numrecords;index++, p++)
2093 else if (!strcmp(pchunk->id, "REFSKELT"))
2096 if (recordsize != sizeof(*p))
2097 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2098 // byteswap in place and keep the pointer
2099 numbones = numrecords;
2100 bones = (pskboneinfo_t *)buffer;
2101 for (index = 0, p = (pskboneinfo_t *)buffer;index < numrecords;index++, p++)
2103 p->numchildren = LittleLong(p->numchildren);
2104 p->parent = LittleLong(p->parent);
2105 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2106 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2107 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2108 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2109 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2110 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2111 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2112 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2113 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2114 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2115 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2116 #ifdef PSKQUATNEGATIONS
2119 p->basepose.quat[0] *= -1;
2120 p->basepose.quat[1] *= -1;
2121 p->basepose.quat[2] *= -1;
2125 p->basepose.quat[0] *= 1;
2126 p->basepose.quat[1] *= -1;
2127 p->basepose.quat[2] *= 1;
2130 if (p->parent < 0 || p->parent >= numbones)
2132 Con_Printf("%s: bone->parent %i >= numbones %i\n", loadmodel->name, p->parent, numbones);
2138 else if (!strcmp(pchunk->id, "RAWWEIGHTS"))
2141 if (recordsize != sizeof(*p))
2142 Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
2143 // byteswap in place and keep the pointer
2144 numrawweights = numrecords;
2145 rawweights = (pskrawweights_t *)buffer;
2146 for (index = 0, p = (pskrawweights_t *)buffer;index < numrecords;index++, p++)
2148 p->weight = LittleFloat(p->weight);
2149 p->pntsindex = LittleLong(p->pntsindex);
2150 p->boneindex = LittleLong(p->boneindex);
2151 if (p->pntsindex < 0 || p->pntsindex >= numpnts)
2153 Con_Printf("%s: weight->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
2156 if (p->boneindex < 0 || p->boneindex >= numbones)
2158 Con_Printf("%s: weight->boneindex %i >= numbones %i\n", loadmodel->name, p->boneindex, numbones);
2166 while (animbuffer < animbufferend)
2168 pchunk = (pskchunk_t *)animbuffer;
2169 animbuffer = (void *)((unsigned char *)animbuffer + sizeof(pskchunk_t));
2170 version = LittleLong(pchunk->version);
2171 recordsize = LittleLong(pchunk->recordsize);
2172 numrecords = LittleLong(pchunk->numrecords);
2173 if (developer.integer >= 100)
2174 Con_Printf("%s: %s %x: %i * %i = %i\n", animname, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
2175 if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e && version != 0x12f2bc && version != 0x12f2f0)
2176 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);
2177 if (!strcmp(pchunk->id, "ANIMHEAD"))
2181 else if (!strcmp(pchunk->id, "BONENAMES"))
2184 if (recordsize != sizeof(*p))
2185 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2186 // byteswap in place and keep the pointer
2187 numanimbones = numrecords;
2188 animbones = (pskboneinfo_t *)animbuffer;
2189 // NOTE: supposedly psa does not need to match the psk model, the
2190 // bones missing from the psa would simply use their base
2191 // positions from the psk, but this is hard for me to implement
2192 // and people can easily make animations that match.
2193 if (numanimbones != numbones)
2194 Host_Error("%s: this loader only supports animations with the same bones as the mesh");
2195 for (index = 0, p = (pskboneinfo_t *)animbuffer;index < numrecords;index++, p++)
2197 p->numchildren = LittleLong(p->numchildren);
2198 p->parent = LittleLong(p->parent);
2199 p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
2200 p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
2201 p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
2202 p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
2203 p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
2204 p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
2205 p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
2206 p->basepose.unknown = LittleFloat(p->basepose.unknown);
2207 p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
2208 p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
2209 p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
2210 #ifdef PSKQUATNEGATIONS
2213 p->basepose.quat[0] *= -1;
2214 p->basepose.quat[1] *= -1;
2215 p->basepose.quat[2] *= -1;
2219 p->basepose.quat[0] *= 1;
2220 p->basepose.quat[1] *= -1;
2221 p->basepose.quat[2] *= 1;
2224 if (p->parent < 0 || p->parent >= numanimbones)
2226 Con_Printf("%s: bone->parent %i >= numanimbones %i\n", animname, p->parent, numanimbones);
2229 // check that bones are the same as in the base
2230 if (strcmp(p->name, bones[index].name) || p->parent != bones[index].parent)
2231 Host_Error("%s: this loader only supports animations with the same bones as the mesh", animname);
2235 else if (!strcmp(pchunk->id, "ANIMINFO"))
2238 if (recordsize != sizeof(*p))
2239 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2240 // byteswap in place and keep the pointer
2241 numanims = numrecords;
2242 anims = (pskaniminfo_t *)animbuffer;
2243 for (index = 0, p = (pskaniminfo_t *)animbuffer;index < numrecords;index++, p++)
2245 p->numbones = LittleLong(p->numbones);
2246 p->playtime = LittleFloat(p->playtime);
2247 p->fps = LittleFloat(p->fps);
2248 p->firstframe = LittleLong(p->firstframe);
2249 p->numframes = LittleLong(p->numframes);
2250 if (p->numbones != numbones)
2251 Con_Printf("%s: animinfo->numbones != numbones, trying to load anyway!\n", animname);
2255 else if (!strcmp(pchunk->id, "ANIMKEYS"))
2258 if (recordsize != sizeof(*p))
2259 Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
2260 numanimkeys = numrecords;
2261 animkeys = (pskanimkeys_t *)animbuffer;
2262 for (index = 0, p = (pskanimkeys_t *)animbuffer;index < numrecords;index++, p++)
2264 p->origin[0] = LittleFloat(p->origin[0]);
2265 p->origin[1] = LittleFloat(p->origin[1]);
2266 p->origin[2] = LittleFloat(p->origin[2]);
2267 p->quat[0] = LittleFloat(p->quat[0]);
2268 p->quat[1] = LittleFloat(p->quat[1]);
2269 p->quat[2] = LittleFloat(p->quat[2]);
2270 p->quat[3] = LittleFloat(p->quat[3]);
2271 p->frametime = LittleFloat(p->frametime);
2272 #ifdef PSKQUATNEGATIONS
2273 if (index % numbones)
2288 // TODO: allocate bonepose stuff
2291 Con_Printf("%s: unknown chunk ID \"%s\"\n", animname, pchunk->id);
2294 if (!numpnts || !pnts || !numvtxw || !vtxw || !numfaces || !faces || !nummatts || !matts || !numbones || !bones || !numrawweights || !rawweights || !numanims || !anims || !numanimkeys || !animkeys)
2295 Host_Error("%s: missing required chunks", loadmodel->name);
2297 loadmodel->numframes = 0;
2298 for (index = 0;index < numanims;index++)
2299 loadmodel->numframes += anims[index].numframes;
2301 if (numanimkeys != numbones * loadmodel->numframes)
2302 Host_Error("%s: %s has incorrect number of animation keys", animname, pchunk->id);
2304 meshvertices = numvtxw;
2305 meshtriangles = numfaces;
2307 // load external .skin files if present
2308 skinfiles = Mod_LoadSkinFiles();
2309 if (loadmodel->numskins < 1)
2310 loadmodel->numskins = 1;
2311 loadmodel->num_bones = numbones;
2312 loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
2313 loadmodel->num_textures = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = nummatts;
2314 // do most allocations as one merged chunk
2315 data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(int[4]) + sizeof(float[4])) + loadmodel->num_poses * sizeof(float[36]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
2316 loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
2317 loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
2318 loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
2319 loadmodel->surfmesh.num_vertices = meshvertices;
2320 loadmodel->surfmesh.num_triangles = meshtriangles;
2321 loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2322 loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
2323 loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
2324 loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2325 loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
2326 loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
2327 loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
2328 loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
2329 loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
2330 loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2331 loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2332 loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
2333 loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
2334 loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
2335 loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
2337 for (i = 0;i < loadmodel->numskins;i++)
2339 loadmodel->skinscenes[i].firstframe = i;
2340 loadmodel->skinscenes[i].framecount = 1;
2341 loadmodel->skinscenes[i].loop = true;
2342 loadmodel->skinscenes[i].framerate = 10;
2346 for (index = 0, i = 0;index < nummatts;index++)
2348 // since psk models do not have named sections, reuse their shader name as the section name
2349 if (matts[index].name[0])
2350 Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + index, skinfiles, matts[index].name, matts[index].name);
2352 for (j = 0;j < loadmodel->numskins;j++)
2353 Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + index + j * loadmodel->num_surfaces, NULL);
2354 loadmodel->surfacelist[index] = index;
2355 loadmodel->data_surfaces[index].texture = loadmodel->data_textures + index;
2356 loadmodel->data_surfaces[index].num_firstvertex = 0;
2357 loadmodel->data_surfaces[index].num_vertices = loadmodel->surfmesh.num_vertices;
2360 // copy over the vertex locations and texcoords
2361 for (index = 0;index < numvtxw;index++)
2363 loadmodel->surfmesh.data_vertex3f[index*3+0] = pnts[vtxw[index].pntsindex].origin[0];
2364 loadmodel->surfmesh.data_vertex3f[index*3+1] = pnts[vtxw[index].pntsindex].origin[1];
2365 loadmodel->surfmesh.data_vertex3f[index*3+2] = pnts[vtxw[index].pntsindex].origin[2];
2366 loadmodel->surfmesh.data_texcoordtexture2f[index*2+0] = vtxw[index].texcoord[0];
2367 loadmodel->surfmesh.data_texcoordtexture2f[index*2+1] = vtxw[index].texcoord[1];
2370 // loading the faces is complicated because we need to sort them into surfaces by mattindex
2371 for (index = 0;index < numfaces;index++)
2372 loadmodel->data_surfaces[faces[index].mattindex].num_triangles++;
2373 for (index = 0, i = 0;index < nummatts;index++)
2375 loadmodel->data_surfaces[index].num_firsttriangle = i;
2376 i += loadmodel->data_surfaces[index].num_triangles;
2377 loadmodel->data_surfaces[index].num_triangles = 0;
2379 for (index = 0;index < numfaces;index++)
2381 i = (loadmodel->data_surfaces[faces[index].mattindex].num_firsttriangle + loadmodel->data_surfaces[faces[index].mattindex].num_triangles++)*3;
2382 loadmodel->surfmesh.data_element3i[i+0] = faces[index].vtxwindex[0];
2383 loadmodel->surfmesh.data_element3i[i+1] = faces[index].vtxwindex[1];
2384 loadmodel->surfmesh.data_element3i[i+2] = faces[index].vtxwindex[2];
2387 // copy over the bones
2388 for (index = 0;index < numbones;index++)
2390 strlcpy(loadmodel->data_bones[index].name, bones[index].name, sizeof(loadmodel->data_bones[index].name));
2391 loadmodel->data_bones[index].parent = (index || bones[index].parent > 0) ? bones[index].parent : -1;
2392 if (loadmodel->data_bones[index].parent >= index)
2393 Host_Error("%s bone[%i].parent >= %i", loadmodel->name, index, index);
2396 // sort the psk point weights into the vertex weight tables
2397 // (which only accept up to 4 bones per vertex)
2398 for (index = 0;index < numvtxw;index++)
2402 for (j = 0;j < numrawweights;j++)
2404 if (rawweights[j].pntsindex == vtxw[index].pntsindex)
2406 int boneindex = rawweights[j].boneindex;
2407 float influence = rawweights[j].weight;
2408 for (l = 0;l < 4;l++)
2410 if (loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] < influence)
2412 // move lower influence weights out of the way first
2414 for (l2 = 3;l2 > l;l2--)
2416 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2-1];
2417 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2-1];
2419 // store the new weight
2420 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] = influence;
2421 loadmodel->surfmesh.data_vertexweightindex4i[index*4+l] = boneindex;
2428 for (l = 0;l < 4;l++)
2429 sum += loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l];
2430 if (sum && fabs(sum - 1) > (1.0f / 256.0f))
2432 float f = 1.0f / sum;
2433 for (l = 0;l < 4;l++)
2434 loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] *= f;
2438 // set up the animscenes based on the anims
2439 for (index = 0, i = 0;index < numanims;index++)
2441 for (j = 0;j < anims[index].numframes;j++, i++)
2443 dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "%s_%d", anims[index].name, j);
2444 loadmodel->animscenes[i].firstframe = i;
2445 loadmodel->animscenes[i].framecount = 1;
2446 loadmodel->animscenes[i].loop = true;
2447 loadmodel->animscenes[i].framerate = 10;
2451 // load the poses from the animkeys
2452 for (index = 0;index < numanimkeys;index++)
2454 pskanimkeys_t *k = animkeys + index;
2456 Matrix4x4_FromOriginQuat(&matrix, k->origin[0], k->origin[1], k->origin[2], k->quat[0], k->quat[1], k->quat[2], k->quat[3]);
2457 Matrix4x4_ToArray12FloatD3D(&matrix, loadmodel->data_poses + index*12);
2459 Mod_FreeSkinFiles(skinfiles);
2460 Mem_Free(animfilebuffer);
2462 // compute all the mesh information that was not loaded from the file
2463 // TODO: honor smoothing groups somehow?
2464 Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
2465 Mod_BuildBaseBonePoses();
2466 Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
2467 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);
2468 Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
2469 Mod_Alias_CalculateBoundingBox();
2471 loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;