+ vertbonecounts[i] = BigLong(bonecount[i]);
+ if (vertbonecounts[i] != 1)
+ Host_Error("%s bonecount[%i] != 1 (vertex weight support is impossible in this format)", loadmodel->name, i);
+ }
+
+ loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
+
+ meshvertices = pheader->numverts;
+ meshtriangles = pheader->numtris;
+
+ loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
+ loadmodel->num_textures = loadmodel->num_surfaces;
+ 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]));
+ loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
+ loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
+ loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
+ loadmodel->surfmesh.num_vertices = meshvertices;
+ loadmodel->surfmesh.num_triangles = meshtriangles;
+ loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+ loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+ loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
+ loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
+ loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
+ loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
+ loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
+ loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
+ loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
+ loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
+ loadmodel->data_basebonepose = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
+ loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
+
+ //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
+ poses = (float *) (pheader->lump_poses.start + pbase);
+ for (i = 0;i < pheader->lump_poses.length / 4;i++)
+ loadmodel->data_poses[i] = BigFloat(poses[i]);
+
+ //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
+ verts = (zymvertex_t *)Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
+ vertdata = (zymvertex_t *) (pheader->lump_verts.start + pbase);
+ // reconstruct frame 0 matrices to allow reconstruction of the base mesh
+ // (converting from weight-blending skeletal animation to
+ // deformation-based skeletal animation)
+ bonepose = (float *)Z_Malloc(loadmodel->num_bones * sizeof(float[12]));
+ for (i = 0;i < loadmodel->num_bones;i++)
+ {
+ const float *m = loadmodel->data_poses + i * 12;
+ if (loadmodel->data_bones[i].parent >= 0)
+ R_ConcatTransforms(bonepose + 12 * loadmodel->data_bones[i].parent, m, bonepose + 12 * i);
+ else
+ for (k = 0;k < 12;k++)
+ bonepose[12*i+k] = m[k];
+ }
+ for (j = 0;j < pheader->numverts;j++)
+ {
+ // this format really should have had a per vertexweight weight value...
+ // but since it does not, the weighting is completely ignored and
+ // only one weight is allowed per vertex
+ int boneindex = BigLong(vertdata[j].bonenum);
+ const float *m = bonepose + 12 * boneindex;
+ float relativeorigin[3];
+ relativeorigin[0] = BigFloat(vertdata[j].origin[0]);
+ relativeorigin[1] = BigFloat(vertdata[j].origin[1]);
+ relativeorigin[2] = BigFloat(vertdata[j].origin[2]);
+ // transform the vertex bone weight into the base mesh
+ loadmodel->surfmesh.data_vertex3f[j*3+0] = relativeorigin[0] * m[0] + relativeorigin[1] * m[1] + relativeorigin[2] * m[ 2] + m[ 3];
+ loadmodel->surfmesh.data_vertex3f[j*3+1] = relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + m[ 7];
+ loadmodel->surfmesh.data_vertex3f[j*3+2] = relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + m[11];
+ // store the weight as the primary weight on this vertex
+ loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
+ loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = 1;
+ }
+ Z_Free(bonepose);
+ // normals and tangents are calculated after elements are loaded
+
+ //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
+ outtexcoord2f = loadmodel->surfmesh.data_texcoordtexture2f;
+ intexcoord2f = (float *) (pheader->lump_texcoords.start + pbase);
+ for (i = 0;i < pheader->numverts;i++)
+ {
+ outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
+ // flip T coordinate for OpenGL
+ outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
+ }
+
+ //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
+ //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
+ //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
+
+ //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
+ //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)
+ // byteswap, validate, and swap winding order of tris
+ count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
+ if (pheader->lump_render.length != count)
+ Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)", loadmodel->name, pheader->lump_render.length, count);
+ renderlist = (int *) (pheader->lump_render.start + pbase);
+ renderlistend = (int *) ((unsigned char *) renderlist + pheader->lump_render.length);
+ meshtriangles = 0;
+ for (i = 0;i < loadmodel->num_surfaces;i++)
+ {
+ int firstvertex, lastvertex;
+ if (renderlist >= renderlistend)
+ Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
+ count = BigLong(*renderlist);renderlist++;
+ if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
+ Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
+
+ loadmodel->surfacelist[i] = i;
+ surface = loadmodel->data_surfaces + i;
+ surface->texture = loadmodel->data_textures + i;
+ surface->num_firsttriangle = meshtriangles;
+ surface->num_triangles = count;
+ meshtriangles += surface->num_triangles;
+
+ // load the elements
+ outelements = loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3;
+ for (j = 0;j < surface->num_triangles;j++, renderlist += 3)
+ {
+ outelements[j*3+2] = BigLong(renderlist[0]);
+ outelements[j*3+1] = BigLong(renderlist[1]);
+ outelements[j*3+0] = BigLong(renderlist[2]);
+ }
+ // validate the elements and find the used vertex range
+ firstvertex = meshvertices;
+ lastvertex = 0;
+ for (j = 0;j < surface->num_triangles * 3;j++)