+int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
+{
+ const float *boneframe;
+ float tempbonematrix[12], bonematrix[12];
+ Matrix4x4_CreateIdentity(outmatrix);
+ if (model->alias.aliasnum_bones)
+ {
+ if (tagindex < 0 || tagindex >= model->alias.aliasnum_bones)
+ return 4;
+ if (poseframe >= model->alias.aliasnum_poses)
+ return 6;
+ boneframe = model->alias.aliasdata_poses + poseframe * model->alias.aliasnum_bones * 12;
+ memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
+ while (model->alias.aliasdata_bones[tagindex].parent >= 0)
+ {
+ memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
+ R_ConcatTransforms(boneframe + model->alias.aliasdata_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
+ tagindex = model->alias.aliasdata_bones[tagindex].parent;
+ }
+ outmatrix->m[0][0] = bonematrix[0];
+ outmatrix->m[0][1] = bonematrix[1];
+ outmatrix->m[0][2] = bonematrix[2];
+ outmatrix->m[0][3] = bonematrix[3];
+ outmatrix->m[1][0] = bonematrix[4];
+ outmatrix->m[1][1] = bonematrix[5];
+ outmatrix->m[1][2] = bonematrix[6];
+ outmatrix->m[1][3] = bonematrix[7];
+ outmatrix->m[2][0] = bonematrix[8];
+ outmatrix->m[2][1] = bonematrix[9];
+ outmatrix->m[2][2] = bonematrix[10];
+ outmatrix->m[2][3] = bonematrix[11];
+ outmatrix->m[3][0] = 0;
+ outmatrix->m[3][1] = 0;
+ outmatrix->m[3][2] = 0;
+ outmatrix->m[3][3] = 1;
+ }
+ else if (model->alias.aliasnum_tags)
+ {
+ if (tagindex < 0 || tagindex >= model->alias.aliasnum_tags)
+ return 4;
+ if (poseframe >= model->alias.aliasnum_tagframes)
+ return 6;
+ *outmatrix = model->alias.aliasdata_tags[poseframe * model->alias.aliasnum_tags + tagindex].matrix;
+ }
+ return 0;
+}
+
+int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
+{
+ int i;
+ if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
+ for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
+ if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
+ return i + 1;
+ if (model->alias.aliasnum_bones)
+ for (i = 0;i < model->alias.aliasnum_bones;i++)
+ if (!strcasecmp(tagname, model->alias.aliasdata_bones[i].name))
+ return i + 1;
+ if (model->alias.aliasnum_tags)
+ for (i = 0;i < model->alias.aliasnum_tags;i++)
+ if (!strcasecmp(tagname, model->alias.aliasdata_tags[i].name))
+ return i + 1;
+ return 0;
+}
+
+static void Mod_Alias_Mesh_CompileFrameZero(aliasmesh_t *mesh)
+{
+ frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
+ mesh->data_basevertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[3][4]));
+ mesh->data_basesvector3f = mesh->data_basevertex3f + mesh->num_vertices * 3;
+ mesh->data_basetvector3f = mesh->data_basevertex3f + mesh->num_vertices * 6;
+ mesh->data_basenormal3f = mesh->data_basevertex3f + mesh->num_vertices * 9;
+ Mod_Alias_GetMesh_Vertex3f(loadmodel, frameblend, mesh, mesh->data_basevertex3f);
+ Mod_BuildTextureVectorsAndNormals(0, mesh->num_vertices, mesh->num_triangles, mesh->data_basevertex3f, mesh->data_texcoord2f, mesh->data_element3i, mesh->data_basesvector3f, mesh->data_basetvector3f, mesh->data_basenormal3f);
+}
+
+static void Mod_MDLMD2MD3_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
+{
+ int i, framenum;
+ float segmentmins[3], segmentmaxs[3];
+ colbrushf_t *thisbrush_start, *thisbrush_end;
+ matrix4x4_t startmatrix, endmatrix;
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
+ segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
+ segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
+ segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
+ segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
+ segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
+ if (VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
+ {
+ // line trace
+ for (i = 0;i < model->alias.aliasnum_meshes;i++)
+ {
+ framenum = frame;
+ if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_morphframes)
+ framenum = 0;
+ if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
+ Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
+ //else
+ // FIXME!!! this needs to handle skeletal!
+ }
+ }
+ else
+ {
+ // box trace, performed as brush trace
+ Matrix4x4_CreateIdentity(&startmatrix);
+ Matrix4x4_CreateIdentity(&endmatrix);
+ thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
+ thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
+ for (i = 0;i < model->alias.aliasnum_meshes;i++)
+ {
+ framenum = frame;
+ if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_morphframes)
+ framenum = 0;
+ if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
+ Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
+ //else
+ // FIXME!!! this needs to handle skeletal!
+ }
+ }
+}