+
+ if (!loadmodel->surfmesh.isanimated)
+ {
+ Mod_MakeCollisionBIH(loadmodel, true, &loadmodel->collision_bih);
+ loadmodel->TraceBox = Mod_CollisionBIH_TraceBox;
+ loadmodel->TraceBrush = Mod_CollisionBIH_TraceBrush;
+ loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
+ loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
+ loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
+ }
+}
+
+void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
+{
+ unsigned char *data;
+ const char *text;
+ unsigned char *pbase, *pend;
+ iqmheader_t *header;
+ skinfile_t *skinfiles;
+ int i, j, k, meshvertices, meshtriangles;
+ float *vposition = NULL, *vtexcoord = NULL, *vnormal = NULL, *vtangent = NULL;
+ unsigned char *vblendindexes = NULL, *vblendweights = NULL;
+ iqmjoint1_t *joint1 = NULL;
+ iqmjoint_t *joint = NULL;
+ iqmpose1_t *pose1 = NULL;
+ iqmpose_t *pose = NULL;
+ iqmanim_t *anim;
+ iqmmesh_t *mesh;
+ iqmbounds_t *bounds;
+ iqmvertexarray_t *va;
+ unsigned short *framedata;
+ float biggestorigin;
+ const int *inelements;
+ int *outelements;
+ float *outvertex, *outnormal, *outtexcoord, *outsvector, *outtvector;
+
+ pbase = (unsigned char *)buffer;
+ pend = (unsigned char *)bufferend;
+ header = (iqmheader_t *)buffer;
+ if (memcmp(header->id, "INTERQUAKEMODEL", 16))
+ Host_Error ("Mod_INTERQUAKEMODEL_Load: %s is not an Inter-Quake Model", loadmodel->name);
+ if (LittleLong(header->version) != 1 && LittleLong(header->version) != 2)
+ Host_Error ("Mod_INTERQUAKEMODEL_Load: only version 1 and 2 models are currently supported (name = %s)", loadmodel->name);
+
+ loadmodel->modeldatatypestring = "IQM";
+
+ loadmodel->type = mod_alias;
+ loadmodel->synctype = ST_RAND;
+
+ // byteswap header
+ header->version = LittleLong(header->version);
+ header->filesize = LittleLong(header->filesize);
+ header->flags = LittleLong(header->flags);
+ header->num_text = LittleLong(header->num_text);
+ header->ofs_text = LittleLong(header->ofs_text);
+ header->num_meshes = LittleLong(header->num_meshes);
+ header->ofs_meshes = LittleLong(header->ofs_meshes);
+ header->num_vertexarrays = LittleLong(header->num_vertexarrays);
+ header->num_vertexes = LittleLong(header->num_vertexes);
+ header->ofs_vertexarrays = LittleLong(header->ofs_vertexarrays);
+ header->num_triangles = LittleLong(header->num_triangles);
+ header->ofs_triangles = LittleLong(header->ofs_triangles);
+ header->ofs_neighbors = LittleLong(header->ofs_neighbors);
+ header->num_joints = LittleLong(header->num_joints);
+ header->ofs_joints = LittleLong(header->ofs_joints);
+ header->num_poses = LittleLong(header->num_poses);
+ header->ofs_poses = LittleLong(header->ofs_poses);
+ header->num_anims = LittleLong(header->num_anims);
+ header->ofs_anims = LittleLong(header->ofs_anims);
+ header->num_frames = LittleLong(header->num_frames);
+ header->num_framechannels = LittleLong(header->num_framechannels);
+ header->ofs_frames = LittleLong(header->ofs_frames);
+ header->ofs_bounds = LittleLong(header->ofs_bounds);
+ header->num_comment = LittleLong(header->num_comment);
+ header->ofs_comment = LittleLong(header->ofs_comment);
+ header->num_extensions = LittleLong(header->num_extensions);
+ header->ofs_extensions = LittleLong(header->ofs_extensions);
+
+ if (header->num_triangles < 1 || header->num_vertexes < 3 || header->num_vertexarrays < 1 || header->num_meshes < 1)
+ {
+ Con_Printf("%s has no geometry\n", loadmodel->name);
+ return;
+ }
+ if (header->num_frames < 1 || header->num_anims < 1)
+ {
+ Con_Printf("%s has no animations\n", loadmodel->name);
+ return;
+ }
+
+ if (pbase + header->ofs_text + header->num_text > pend ||
+ pbase + header->ofs_meshes + header->num_meshes*sizeof(iqmmesh_t) > pend ||
+ pbase + header->ofs_vertexarrays + header->num_vertexarrays*sizeof(iqmvertexarray_t) > pend ||
+ pbase + header->ofs_triangles + header->num_triangles*sizeof(int[3]) > pend ||
+ (header->ofs_neighbors && pbase + header->ofs_neighbors + header->num_triangles*sizeof(int[3]) > pend) ||
+ pbase + header->ofs_joints + header->num_joints*sizeof(iqmjoint_t) > pend ||
+ pbase + header->ofs_poses + header->num_poses*sizeof(iqmpose_t) > pend ||
+ pbase + header->ofs_anims + header->num_anims*sizeof(iqmanim_t) > pend ||
+ pbase + header->ofs_frames + header->num_frames*header->num_framechannels*sizeof(unsigned short) > pend ||
+ (header->ofs_bounds && pbase + header->ofs_bounds + header->num_frames*sizeof(iqmbounds_t) > pend) ||
+ pbase + header->ofs_comment + header->num_comment > pend)
+ {
+ Con_Printf("%s has invalid size or offset information\n", loadmodel->name);
+ return;
+ }
+
+ va = (iqmvertexarray_t *)(pbase + header->ofs_vertexarrays);
+ for (i = 0;i < (int)header->num_vertexarrays;i++)
+ {
+ size_t vsize;
+ va[i].type = LittleLong(va[i].type);
+ va[i].flags = LittleLong(va[i].flags);
+ va[i].format = LittleLong(va[i].format);
+ va[i].size = LittleLong(va[i].size);
+ va[i].offset = LittleLong(va[i].offset);
+ vsize = header->num_vertexes*va[i].size;
+ switch (va[i].format)
+ {
+ case IQM_FLOAT: vsize *= sizeof(float); break;
+ case IQM_UBYTE: vsize *= sizeof(unsigned char); break;
+ default: continue;
+ }
+ if (pbase + va[i].offset + vsize > pend)
+ continue;
+ switch (va[i].type)
+ {
+ case IQM_POSITION:
+ if (va[i].format == IQM_FLOAT && va[i].size == 3)
+ vposition = (float *)(pbase + va[i].offset);
+ break;
+ case IQM_TEXCOORD:
+ if (va[i].format == IQM_FLOAT && va[i].size == 2)
+ vtexcoord = (float *)(pbase + va[i].offset);
+ break;
+ case IQM_NORMAL:
+ if (va[i].format == IQM_FLOAT && va[i].size == 3)
+ vnormal = (float *)(pbase + va[i].offset);
+ break;
+ case IQM_TANGENT:
+ if (va[i].format == IQM_FLOAT && va[i].size == 4)
+ vtangent = (float *)(pbase + va[i].offset);
+ break;
+ case IQM_BLENDINDEXES:
+ if (va[i].format == IQM_UBYTE && va[i].size == 4)
+ vblendindexes = (unsigned char *)(pbase + va[i].offset);
+ break;
+ case IQM_BLENDWEIGHTS:
+ if (va[i].format == IQM_UBYTE && va[i].size == 4)
+ vblendweights = (unsigned char *)(pbase + va[i].offset);
+ break;
+ }
+ }
+ if (!vposition || !vtexcoord || !vblendindexes || !vblendweights)
+ {
+ Con_Printf("%s is missing vertex array data\n", loadmodel->name);
+ return;
+ }
+
+ text = header->num_text && header->ofs_text ? (const char *)(pbase + header->ofs_text) : "";
+
+ loadmodel->AnimateVertices = Mod_Skeletal_AnimateVertices;
+ loadmodel->DrawSky = NULL;
+ loadmodel->DrawAddWaterPlanes = NULL;
+ loadmodel->Draw = R_Q1BSP_Draw;
+ loadmodel->DrawDepth = R_Q1BSP_DrawDepth;
+ loadmodel->DrawDebug = R_Q1BSP_DrawDebug;
+ loadmodel->DrawPrepass = R_Q1BSP_DrawPrepass;
+ loadmodel->CompileShadowMap = R_Q1BSP_CompileShadowMap;
+ loadmodel->DrawShadowMap = R_Q1BSP_DrawShadowMap;
+ loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
+ loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
+ loadmodel->DrawLight = R_Q1BSP_DrawLight;
+ loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
+ loadmodel->TraceLine = Mod_MDLMD2MD3_TraceLine;
+ loadmodel->PointSuperContents = NULL;
+
+ // load external .skin files if present
+ skinfiles = Mod_LoadSkinFiles();
+ if (loadmodel->numskins < 1)
+ loadmodel->numskins = 1;
+
+ loadmodel->numframes = header->num_anims;
+ loadmodel->num_bones = header->num_joints;
+ loadmodel->num_poses = header->num_frames;
+ loadmodel->nummodelsurfaces = loadmodel->num_surfaces = header->num_meshes;
+ loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
+ loadmodel->num_texturesperskin = loadmodel->num_surfaces;
+
+ meshvertices = header->num_vertexes;
+ meshtriangles = header->num_triangles;
+
+ // do most allocations as one merged chunk
+ 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]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + (r_enableshadowvolumes.integer ? meshtriangles * sizeof(int[3]) : 0) + meshvertices * (sizeof(float[14]) + sizeof(unsigned short)) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
+ loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
+ loadmodel->sortedmodelsurfaces = (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]);
+ if (r_enableshadowvolumes.integer)
+ {
+ 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->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
+ loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
+ loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
+ loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
+ loadmodel->surfmesh.num_blends = 0;
+ loadmodel->surfmesh.blends = (unsigned short *)data;data += meshvertices * sizeof(unsigned short);
+ if (meshvertices <= 65536)
+ {
+ loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += meshtriangles * sizeof(unsigned short[3]);
+ }
+ loadmodel->data_poses6s = (short *)data;data += loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]);
+ loadmodel->surfmesh.data_blendweights = (blendweights_t *)Mem_Alloc(loadmodel->mempool, meshvertices * sizeof(blendweights_t));
+
+ for (i = 0;i < loadmodel->numskins;i++)
+ {
+ loadmodel->skinscenes[i].firstframe = i;
+ loadmodel->skinscenes[i].framecount = 1;
+ loadmodel->skinscenes[i].loop = true;
+ loadmodel->skinscenes[i].framerate = 10;
+ }
+
+ // load the bone info
+ if (header->version == 1)
+ {
+ joint1 = (iqmjoint1_t *) (pbase + header->ofs_joints);
+ for (i = 0;i < loadmodel->num_bones;i++)
+ {
+ matrix4x4_t relbase, relinvbase, pinvbase, invbase;
+ joint1[i].name = LittleLong(joint1[i].name);
+ joint1[i].parent = LittleLong(joint1[i].parent);
+ for (j = 0;j < 3;j++)
+ {
+ joint1[i].origin[j] = LittleFloat(joint1[i].origin[j]);
+ joint1[i].rotation[j] = LittleFloat(joint1[i].rotation[j]);
+ joint1[i].scale[j] = LittleFloat(joint1[i].scale[j]);
+ }
+ strlcpy(loadmodel->data_bones[i].name, &text[joint1[i].name], sizeof(loadmodel->data_bones[i].name));
+ loadmodel->data_bones[i].parent = joint1[i].parent;
+ if (loadmodel->data_bones[i].parent >= i)
+ Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
+ Matrix4x4_FromDoom3Joint(&relbase, joint1[i].origin[0], joint1[i].origin[1], joint1[i].origin[2], joint1[i].rotation[0], joint1[i].rotation[1], joint1[i].rotation[2]);
+ Matrix4x4_Invert_Simple(&relinvbase, &relbase);
+ if (loadmodel->data_bones[i].parent >= 0)
+ {
+ Matrix4x4_FromArray12FloatD3D(&pinvbase, loadmodel->data_baseboneposeinverse + 12*loadmodel->data_bones[i].parent);
+ Matrix4x4_Concat(&invbase, &relinvbase, &pinvbase);
+ Matrix4x4_ToArray12FloatD3D(&invbase, loadmodel->data_baseboneposeinverse + 12*i);
+ }
+ else Matrix4x4_ToArray12FloatD3D(&relinvbase, loadmodel->data_baseboneposeinverse + 12*i);
+ }
+ }
+ else
+ {
+ joint = (iqmjoint_t *) (pbase + header->ofs_joints);
+ for (i = 0;i < loadmodel->num_bones;i++)
+ {
+ matrix4x4_t relbase, relinvbase, pinvbase, invbase;
+ joint[i].name = LittleLong(joint[i].name);
+ joint[i].parent = LittleLong(joint[i].parent);
+ for (j = 0;j < 3;j++)
+ {
+ joint[i].origin[j] = LittleFloat(joint[i].origin[j]);
+ joint[i].rotation[j] = LittleFloat(joint[i].rotation[j]);
+ joint[i].scale[j] = LittleFloat(joint[i].scale[j]);
+ }
+ joint[i].rotation[3] = LittleFloat(joint[i].rotation[3]);
+ strlcpy(loadmodel->data_bones[i].name, &text[joint[i].name], sizeof(loadmodel->data_bones[i].name));
+ loadmodel->data_bones[i].parent = joint[i].parent;
+ if (loadmodel->data_bones[i].parent >= i)
+ Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
+ if (joint[i].rotation[3] > 0)
+ Vector4Negate(joint[i].rotation, joint[i].rotation);
+ Vector4Normalize2(joint[i].rotation, joint[i].rotation);
+ Matrix4x4_FromDoom3Joint(&relbase, joint[i].origin[0], joint[i].origin[1], joint[i].origin[2], joint[i].rotation[0], joint[i].rotation[1], joint[i].rotation[2]);
+ Matrix4x4_Invert_Simple(&relinvbase, &relbase);
+ if (loadmodel->data_bones[i].parent >= 0)
+ {
+ Matrix4x4_FromArray12FloatD3D(&pinvbase, loadmodel->data_baseboneposeinverse + 12*loadmodel->data_bones[i].parent);
+ Matrix4x4_Concat(&invbase, &relinvbase, &pinvbase);
+ Matrix4x4_ToArray12FloatD3D(&invbase, loadmodel->data_baseboneposeinverse + 12*i);
+ }
+ else Matrix4x4_ToArray12FloatD3D(&relinvbase, loadmodel->data_baseboneposeinverse + 12*i);
+ }
+ }
+
+ // set up the animscenes based on the anims
+ anim = (iqmanim_t *) (pbase + header->ofs_anims);
+ for (i = 0;i < (int)header->num_anims;i++)
+ {
+ anim[i].name = LittleLong(anim[i].name);
+ anim[i].first_frame = LittleLong(anim[i].first_frame);
+ anim[i].num_frames = LittleLong(anim[i].num_frames);
+ anim[i].framerate = LittleFloat(anim[i].framerate);
+ anim[i].flags = LittleLong(anim[i].flags);
+ strlcpy(loadmodel->animscenes[i].name, &text[anim[i].name], sizeof(loadmodel->animscenes[i].name));
+ loadmodel->animscenes[i].firstframe = anim[i].first_frame;
+ loadmodel->animscenes[i].framecount = anim[i].num_frames;
+ loadmodel->animscenes[i].loop = ((anim[i].flags & IQM_LOOP) != 0);
+ loadmodel->animscenes[i].framerate = anim[i].framerate;
+ }
+
+ biggestorigin = 0;
+ if (header->version == 1)
+ {
+ pose1 = (iqmpose1_t *) (pbase + header->ofs_poses);
+ for (i = 0;i < (int)header->num_poses;i++)
+ {
+ float f;
+ pose1[i].parent = LittleLong(pose1[i].parent);
+ pose1[i].channelmask = LittleLong(pose1[i].channelmask);
+ for (j = 0;j < 9;j++)
+ {
+ pose1[i].channeloffset[j] = LittleFloat(pose1[i].channeloffset[j]);
+ pose1[i].channelscale[j] = LittleFloat(pose1[i].channelscale[j]);
+ }
+ f = fabs(pose1[i].channeloffset[0]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose1[i].channeloffset[1]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose1[i].channeloffset[2]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose1[i].channeloffset[0] + 0xFFFF*pose1[i].channelscale[0]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose1[i].channeloffset[1] + 0xFFFF*pose1[i].channelscale[1]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose1[i].channeloffset[2] + 0xFFFF*pose1[i].channelscale[2]); biggestorigin = max(biggestorigin, f);
+ }
+ }
+ else
+ {
+ pose = (iqmpose_t *) (pbase + header->ofs_poses);
+ for (i = 0;i < (int)header->num_poses;i++)
+ {
+ float f;
+ pose[i].parent = LittleLong(pose[i].parent);
+ pose[i].channelmask = LittleLong(pose[i].channelmask);
+ for (j = 0;j < 10;j++)
+ {
+ pose[i].channeloffset[j] = LittleFloat(pose[i].channeloffset[j]);
+ pose[i].channelscale[j] = LittleFloat(pose[i].channelscale[j]);
+ }
+ f = fabs(pose[i].channeloffset[0]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose[i].channeloffset[1]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose[i].channeloffset[2]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose[i].channeloffset[0] + 0xFFFF*pose[i].channelscale[0]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose[i].channeloffset[1] + 0xFFFF*pose[i].channelscale[1]); biggestorigin = max(biggestorigin, f);
+ f = fabs(pose[i].channeloffset[2] + 0xFFFF*pose[i].channelscale[2]); biggestorigin = max(biggestorigin, f);
+ }
+ }
+ loadmodel->num_posescale = biggestorigin / 32767.0f;
+ loadmodel->num_poseinvscale = 1.0f / loadmodel->num_posescale;
+
+ // load the pose data
+ framedata = (unsigned short *) (pbase + header->ofs_frames);
+ if (header->version == 1)
+ {
+ for (i = 0, k = 0;i < (int)header->num_frames;i++)
+ {
+ for (j = 0;j < (int)header->num_poses;j++, k++)
+ {
+ loadmodel->data_poses6s[k*6 + 0] = loadmodel->num_poseinvscale * (pose1[j].channeloffset[0] + (pose1[j].channelmask&1 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[0] : 0));
+ loadmodel->data_poses6s[k*6 + 1] = loadmodel->num_poseinvscale * (pose1[j].channeloffset[1] + (pose1[j].channelmask&2 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[1] : 0));
+ loadmodel->data_poses6s[k*6 + 2] = loadmodel->num_poseinvscale * (pose1[j].channeloffset[2] + (pose1[j].channelmask&4 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[2] : 0));
+ loadmodel->data_poses6s[k*6 + 3] = 32767.0f * (pose1[j].channeloffset[3] + (pose1[j].channelmask&8 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[3] : 0));
+ loadmodel->data_poses6s[k*6 + 4] = 32767.0f * (pose1[j].channeloffset[4] + (pose1[j].channelmask&16 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[4] : 0));
+ loadmodel->data_poses6s[k*6 + 5] = 32767.0f * (pose1[j].channeloffset[5] + (pose1[j].channelmask&32 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[5] : 0));
+ // skip scale data for now
+ if(pose1[j].channelmask&64) framedata++;
+ if(pose1[j].channelmask&128) framedata++;
+ if(pose1[j].channelmask&256) framedata++;
+ }
+ }
+ }
+ else
+ {
+ for (i = 0, k = 0;i < (int)header->num_frames;i++)
+ {
+ for (j = 0;j < (int)header->num_poses;j++, k++)
+ {
+ float rot[4];
+ loadmodel->data_poses6s[k*6 + 0] = loadmodel->num_poseinvscale * (pose[j].channeloffset[0] + (pose[j].channelmask&1 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[0] : 0));
+ loadmodel->data_poses6s[k*6 + 1] = loadmodel->num_poseinvscale * (pose[j].channeloffset[1] + (pose[j].channelmask&2 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[1] : 0));
+ loadmodel->data_poses6s[k*6 + 2] = loadmodel->num_poseinvscale * (pose[j].channeloffset[2] + (pose[j].channelmask&4 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[2] : 0));
+ rot[0] = pose[j].channeloffset[3] + (pose[j].channelmask&8 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[3] : 0);
+ rot[1] = pose[j].channeloffset[4] + (pose[j].channelmask&16 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[4] : 0);
+ rot[2] = pose[j].channeloffset[5] + (pose[j].channelmask&32 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[5] : 0);
+ rot[3] = pose[j].channeloffset[6] + (pose[j].channelmask&64 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[6] : 0);
+ if (rot[3] > 0)
+ Vector4Negate(rot, rot);
+ Vector4Normalize2(rot, rot);
+ loadmodel->data_poses6s[k*6 + 3] = 32767.0f * rot[0];
+ loadmodel->data_poses6s[k*6 + 4] = 32767.0f * rot[1];
+ loadmodel->data_poses6s[k*6 + 5] = 32767.0f * rot[2];
+ // skip scale data for now
+ if(pose[j].channelmask&128) framedata++;
+ if(pose[j].channelmask&256) framedata++;
+ if(pose[j].channelmask&512) framedata++;
+ }
+ }
+ }
+
+ // load bounding box data
+ if (header->ofs_bounds)
+ {
+ float xyradius = 0, radius = 0;
+ bounds = (iqmbounds_t *) (pbase + header->ofs_bounds);
+ VectorClear(loadmodel->normalmins);
+ VectorClear(loadmodel->normalmaxs);
+ for (i = 0; i < (int)header->num_frames;i++)
+ {
+ bounds[i].mins[0] = LittleFloat(bounds[i].mins[0]);
+ bounds[i].mins[1] = LittleFloat(bounds[i].mins[1]);
+ bounds[i].mins[2] = LittleFloat(bounds[i].mins[2]);
+ bounds[i].maxs[0] = LittleFloat(bounds[i].maxs[0]);
+ bounds[i].maxs[1] = LittleFloat(bounds[i].maxs[1]);
+ bounds[i].maxs[2] = LittleFloat(bounds[i].maxs[2]);
+ bounds[i].xyradius = LittleFloat(bounds[i].xyradius);
+ bounds[i].radius = LittleFloat(bounds[i].radius);
+ if (!i)
+ {
+ VectorCopy(bounds[i].mins, loadmodel->normalmins);
+ VectorCopy(bounds[i].maxs, loadmodel->normalmaxs);
+ }
+ else
+ {
+ if (loadmodel->normalmins[0] > bounds[i].mins[0]) loadmodel->normalmins[0] = bounds[i].mins[0];
+ if (loadmodel->normalmins[1] > bounds[i].mins[1]) loadmodel->normalmins[1] = bounds[i].mins[1];
+ if (loadmodel->normalmins[2] > bounds[i].mins[2]) loadmodel->normalmins[2] = bounds[i].mins[2];
+ if (loadmodel->normalmaxs[0] < bounds[i].maxs[0]) loadmodel->normalmaxs[0] = bounds[i].maxs[0];
+ if (loadmodel->normalmaxs[1] < bounds[i].maxs[1]) loadmodel->normalmaxs[1] = bounds[i].maxs[1];
+ if (loadmodel->normalmaxs[2] < bounds[i].maxs[2]) loadmodel->normalmaxs[2] = bounds[i].maxs[2];
+ }
+ if (bounds[i].xyradius > xyradius)
+ xyradius = bounds[i].xyradius;
+ if (bounds[i].radius > radius)
+ radius = bounds[i].radius;
+ }
+ loadmodel->yawmins[0] = loadmodel->yawmins[1] = -xyradius;
+ loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = xyradius;
+ loadmodel->yawmins[2] = loadmodel->normalmins[2];
+ loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
+ loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
+ loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
+ loadmodel->radius = radius;
+ loadmodel->radius2 = radius * radius;
+ }
+
+ // load triangle data
+ inelements = (const int *) (pbase + header->ofs_triangles);
+ outelements = loadmodel->surfmesh.data_element3i;
+ for (i = 0;i < (int)header->num_triangles;i++)
+ {
+ outelements[0] = LittleLong(inelements[0]);
+ outelements[1] = LittleLong(inelements[1]);
+ outelements[2] = LittleLong(inelements[2]);
+ outelements += 3;
+ inelements += 3;
+ }
+ Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, header->num_vertexes, __FILE__, __LINE__);
+
+ if (header->ofs_neighbors && loadmodel->surfmesh.data_neighbor3i)
+ {
+ inelements = (const int *) (pbase + header->ofs_neighbors);
+ outelements = loadmodel->surfmesh.data_neighbor3i;
+ for (i = 0;i < (int)header->num_triangles;i++)
+ {
+ outelements[0] = LittleLong(inelements[0]);
+ outelements[1] = LittleLong(inelements[1]);
+ outelements[2] = LittleLong(inelements[2]);
+ outelements += 3;
+ inelements += 3;
+ }
+ }
+
+ // load vertex data
+ outvertex = loadmodel->surfmesh.data_vertex3f;
+ for (i = 0;i < (int)header->num_vertexes;i++)
+ {
+ outvertex[0] = LittleFloat(vposition[0]);
+ outvertex[1] = LittleFloat(vposition[1]);
+ outvertex[2] = LittleFloat(vposition[2]);
+ vposition += 3;
+ outvertex += 3;
+ }
+
+ outtexcoord = loadmodel->surfmesh.data_texcoordtexture2f;
+ for (i = 0;i < (int)header->num_vertexes;i++)
+ {
+ outtexcoord[0] = LittleFloat(vtexcoord[0]);
+ outtexcoord[1] = LittleFloat(vtexcoord[1]);
+ vtexcoord += 2;
+ outtexcoord += 2;
+ }
+
+ if(vnormal)
+ {
+ outnormal = loadmodel->surfmesh.data_normal3f;
+ for (i = 0;i < (int)header->num_vertexes;i++)
+ {
+ outnormal[0] = LittleFloat(vnormal[0]);
+ outnormal[1] = LittleFloat(vnormal[1]);
+ outnormal[2] = LittleFloat(vnormal[2]);
+ vnormal += 3;
+ outnormal += 3;
+ }
+ }
+
+ if(vnormal && vtangent)
+ {
+ outnormal = loadmodel->surfmesh.data_normal3f;
+ outsvector = loadmodel->surfmesh.data_svector3f;
+ outtvector = loadmodel->surfmesh.data_tvector3f;
+ for (i = 0;i < (int)header->num_vertexes;i++)
+ {
+ outsvector[0] = LittleFloat(vtangent[0]);
+ outsvector[1] = LittleFloat(vtangent[1]);
+ outsvector[2] = LittleFloat(vtangent[2]);
+ if(LittleFloat(vtangent[3]) < 0)
+ CrossProduct(outsvector, outnormal, outtvector);
+ else
+ CrossProduct(outnormal, outsvector, outtvector);
+ vtangent += 4;
+ outnormal += 3;
+ outsvector += 3;
+ outtvector += 3;
+ }
+ }
+
+ for (i = 0; i < (int)header->num_vertexes;i++)
+ {
+ blendweights_t weights;
+ memcpy(weights.index, vblendindexes + i*4, 4);
+ memcpy(weights.influence, vblendweights + i*4, 4);
+ loadmodel->surfmesh.blends[i] = Mod_Skeletal_AddBlend(loadmodel, &weights);
+ }
+
+ // load meshes
+ mesh = (iqmmesh_t *) (pbase + header->ofs_meshes);
+ for (i = 0;i < (int)header->num_meshes;i++)
+ {
+ msurface_t *surface;
+
+ mesh[i].name = LittleLong(mesh[i].name);
+ mesh[i].material = LittleLong(mesh[i].material);
+ mesh[i].first_vertex = LittleLong(mesh[i].first_vertex);
+ mesh[i].num_vertexes = LittleLong(mesh[i].num_vertexes);
+ mesh[i].first_triangle = LittleLong(mesh[i].first_triangle);
+ mesh[i].num_triangles = LittleLong(mesh[i].num_triangles);
+
+ loadmodel->sortedmodelsurfaces[i] = i;
+ surface = loadmodel->data_surfaces + i;
+ surface->texture = loadmodel->data_textures + i;
+ surface->num_firsttriangle = mesh[i].first_triangle;
+ surface->num_triangles = mesh[i].num_triangles;
+ surface->num_firstvertex = mesh[i].first_vertex;
+ surface->num_vertices = mesh[i].num_vertexes;
+
+ Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, &text[mesh[i].name], &text[mesh[i].material]);
+ }
+
+ Mod_FreeSkinFiles(skinfiles);
+ Mod_MakeSortedSurfaces(loadmodel);
+
+ // compute all the mesh information that was not loaded from the file
+ if (loadmodel->surfmesh.data_element3s)
+ for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
+ loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
+ if (!vnormal)
+ Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, r_smoothnormals_areaweighting.integer != 0);
+ if (!vnormal || !vtangent)
+ 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, r_smoothnormals_areaweighting.integer != 0);
+ if (!header->ofs_neighbors && loadmodel->surfmesh.data_neighbor3i)
+ Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
+ if (!header->ofs_bounds)
+ Mod_Alias_CalculateBoundingBox();
+
+ loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
+
+ if (!loadmodel->surfmesh.isanimated)
+ {
+ Mod_MakeCollisionBIH(loadmodel, true, &loadmodel->collision_bih);
+ loadmodel->TraceBox = Mod_CollisionBIH_TraceBox;
+ loadmodel->TraceBrush = Mod_CollisionBIH_TraceBrush;
+ loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
+ loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
+ loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
+ }