+void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
+{
+ unsigned char *data;
+ const char *text;
+ const unsigned char *pbase, *pend;
+ iqmheader_t header;
+ skinfile_t *skinfiles;
+ int i, j, k, meshvertices, meshtriangles;
+ float biggestorigin;
+ const unsigned int *inelements;
+ int *outelements;
+ const int *inneighbors;
+ int *outneighbors;
+ float *outvertex, *outnormal, *outtexcoord, *outsvector, *outtvector, *outcolor;
+ // this pointers into the file data are read only through Little* functions so they can be unaligned memory
+ const float *vnormal = NULL;
+ const float *vposition = NULL;
+ const float *vtangent = NULL;
+ const float *vtexcoord = NULL;
+ const float *vcolor4f = NULL;
+ const unsigned char *vblendindexes = NULL;
+ const unsigned char *vblendweights = NULL;
+ const unsigned char *vcolor4ub = NULL;
+ const unsigned short *framedata = NULL;
+ // temporary memory allocations (because the data in the file may be misaligned)
+ iqmanim_t *anims = NULL;
+ iqmbounds_t *bounds = NULL;
+ iqmjoint1_t *joint1 = NULL;
+ iqmjoint_t *joint = NULL;
+ iqmmesh_t *meshes = NULL;
+ iqmpose1_t *pose1 = NULL;
+ iqmpose_t *pose = NULL;
+ iqmvertexarray_t *vas = NULL;
+
+ pbase = (unsigned char *)buffer;
+ pend = (unsigned char *)bufferend;
+
+ if (pbase + sizeof(iqmheader_t) > pend)
+ Host_Error ("Mod_INTERQUAKEMODEL_Load: %s is not an Inter-Quake Model %d", loadmodel->name, (int)(pend - pbase));
+
+ // copy struct (otherwise it may be misaligned)
+ // LordHavoc: okay it's definitely not misaligned here, but for consistency...
+ memcpy(&header, pbase, sizeof(iqmheader_t));
+
+ 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.version == 1)
+ {
+ if (pbase + header.ofs_joints + header.num_joints*sizeof(iqmjoint1_t) > pend ||
+ pbase + header.ofs_poses + header.num_poses*sizeof(iqmpose1_t) > pend)
+ {
+ Con_Printf("%s has invalid size or offset information\n", loadmodel->name);
+ return;
+ }
+ }
+ else
+ {
+ if (pbase + header.ofs_joints + header.num_joints*sizeof(iqmjoint_t) > pend ||
+ pbase + header.ofs_poses + header.num_poses*sizeof(iqmpose_t) > pend)
+ {
+ Con_Printf("%s has invalid size or offset information\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_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;
+ }
+
+ // copy structs to make them aligned in memory (otherwise we crash on Sparc and PowerPC and others)
+ if (header.num_vertexarrays)
+ vas = (iqmvertexarray_t *)(pbase + header.ofs_vertexarrays);
+ if (header.num_anims)
+ anims = (iqmanim_t *)(pbase + header.ofs_anims);
+ if (header.ofs_bounds)
+ bounds = (iqmbounds_t *)(pbase + header.ofs_bounds);
+ if (header.num_meshes)
+ meshes = (iqmmesh_t *)(pbase + header.ofs_meshes);
+
+ for (i = 0;i < (int)header.num_vertexarrays;i++)
+ {
+ iqmvertexarray_t va;
+ size_t vsize;
+ va.type = LittleLong(vas[i].type);
+ va.flags = LittleLong(vas[i].flags);
+ va.format = LittleLong(vas[i].format);
+ va.size = LittleLong(vas[i].size);
+ va.offset = LittleLong(vas[i].offset);
+ vsize = header.num_vertexes*va.size;
+ switch (va.format)
+ {
+ case IQM_FLOAT: vsize *= sizeof(float); break;
+ case IQM_UBYTE: vsize *= sizeof(unsigned char); break;
+ default: continue;
+ }
+ if (pbase + va.offset + vsize > pend)
+ continue;
+ // no need to copy the vertex data for alignment because LittleLong/LittleShort will be invoked on reading them, and the destination is aligned
+ switch (va.type)
+ {
+ case IQM_POSITION:
+ if (va.format == IQM_FLOAT && va.size == 3)
+ vposition = (const float *)(pbase + va.offset);
+ break;
+ case IQM_TEXCOORD:
+ if (va.format == IQM_FLOAT && va.size == 2)
+ vtexcoord = (const float *)(pbase + va.offset);
+ break;
+ case IQM_NORMAL:
+ if (va.format == IQM_FLOAT && va.size == 3)
+ vnormal = (const float *)(pbase + va.offset);
+ break;
+ case IQM_TANGENT:
+ if (va.format == IQM_FLOAT && va.size == 4)
+ vtangent = (const float *)(pbase + va.offset);
+ break;
+ case IQM_BLENDINDEXES:
+ if (va.format == IQM_UBYTE && va.size == 4)
+ vblendindexes = (const unsigned char *)(pbase + va.offset);
+ break;
+ case IQM_BLENDWEIGHTS:
+ if (va.format == IQM_UBYTE && va.size == 4)
+ vblendweights = (const unsigned char *)(pbase + va.offset);
+ break;
+ case IQM_COLOR:
+ if (va.format == IQM_FLOAT && va.size == 4)
+ vcolor4f = (const float *)(pbase + va.offset);
+ if (va.format == IQM_UBYTE && va.size == 4)
+ vcolor4ub = (const unsigned char *)(pbase + va.offset);
+ break;
+ }
+ }
+ if (header.num_vertexes > 0 && (!vposition || !vtexcoord || ((header.num_frames > 0 || header.num_anims > 0) && (!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->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 = max(header.num_anims, 1);
+ loadmodel->num_bones = header.num_joints;
+ loadmodel->num_poses = max(header.num_frames, 1);
+ loadmodel->nummodelsurfaces = loadmodel->num_surfaces = header.num_meshes;
+ loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
+ loadmodel->num_texturesperskin = loadmodel->num_surfaces;
+ loadmodel->AnimateVertices = Mod_Skeletal_AnimateVertices; // updated later
+
+ 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]) + (vcolor4f || vcolor4ub ? sizeof(float[4]) : 0)) + (vblendindexes && vblendweights ? meshvertices * sizeof(unsigned short) : 0) + 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]);
+ if (vcolor4f || vcolor4ub)
+ {
+ loadmodel->surfmesh.data_lightmapcolor4f = (float *)data;data += meshvertices * sizeof(float[4]);
+ }
+ 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);
+ if (vblendindexes && vblendweights)
+ {
+ 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]);
+ if (vblendindexes && vblendweights)
+ 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)
+ {
+ iqmjoint1_t *injoint1 = (iqmjoint1_t *)(pbase + header.ofs_joints);
+ if (loadmodel->num_bones)
+ joint1 = (iqmjoint1_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_bones * sizeof(iqmjoint1_t));
+ for (i = 0;i < loadmodel->num_bones;i++)
+ {
+ matrix4x4_t relbase, relinvbase, pinvbase, invbase;
+ joint1[i].name = LittleLong(injoint1[i].name);
+ joint1[i].parent = LittleLong(injoint1[i].parent);
+ for (j = 0;j < 3;j++)
+ {
+ joint1[i].origin[j] = LittleFloat(injoint1[i].origin[j]);
+ joint1[i].rotation[j] = LittleFloat(injoint1[i].rotation[j]);
+ joint1[i].scale[j] = LittleFloat(injoint1[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
+ {
+ iqmjoint_t *injoint = (iqmjoint_t *)(pbase + header.ofs_joints);
+ if (header.num_joints)
+ joint = (iqmjoint_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_bones * sizeof(iqmjoint_t));
+ for (i = 0;i < loadmodel->num_bones;i++)
+ {
+ matrix4x4_t relbase, relinvbase, pinvbase, invbase;
+ joint[i].name = LittleLong(injoint[i].name);
+ joint[i].parent = LittleLong(injoint[i].parent);
+ for (j = 0;j < 3;j++)
+ {
+ joint[i].origin[j] = LittleFloat(injoint[i].origin[j]);
+ joint[i].rotation[j] = LittleFloat(injoint[i].rotation[j]);
+ joint[i].scale[j] = LittleFloat(injoint[i].scale[j]);
+ }
+ joint[i].rotation[3] = LittleFloat(injoint[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
+ for (i = 0;i < (int)header.num_anims;i++)
+ {
+ iqmanim_t anim;
+ anim.name = LittleLong(anims[i].name);
+ anim.first_frame = LittleLong(anims[i].first_frame);
+ anim.num_frames = LittleLong(anims[i].num_frames);
+ anim.framerate = LittleFloat(anims[i].framerate);
+ anim.flags = LittleLong(anims[i].flags);
+ strlcpy(loadmodel->animscenes[i].name, &text[anim.name], sizeof(loadmodel->animscenes[i].name));
+ loadmodel->animscenes[i].firstframe = anim.first_frame;
+ loadmodel->animscenes[i].framecount = anim.num_frames;
+ loadmodel->animscenes[i].loop = ((anim.flags & IQM_LOOP) != 0);
+ loadmodel->animscenes[i].framerate = anim.framerate;
+ }
+ if (header.num_anims <= 0)
+ {
+ strlcpy(loadmodel->animscenes[0].name, "static", sizeof(loadmodel->animscenes[0].name));
+ loadmodel->animscenes[0].firstframe = 0;
+ loadmodel->animscenes[0].framecount = 1;
+ loadmodel->animscenes[0].loop = true;
+ loadmodel->animscenes[0].framerate = 10;
+ }
+
+ loadmodel->surfmesh.isanimated = loadmodel->num_bones > 1 || loadmodel->numframes > 1 || (loadmodel->animscenes && loadmodel->animscenes[0].framecount > 1);
+ loadmodel->AnimateVertices = loadmodel->surfmesh.isanimated ? Mod_Skeletal_AnimateVertices : NULL;
+
+ biggestorigin = 0;
+ if (header.version == 1)
+ {
+ iqmpose1_t *inpose1 = (iqmpose1_t *)(pbase + header.ofs_poses);
+ if (header.num_poses)
+ pose1 = (iqmpose1_t *)Mem_Alloc(loadmodel->mempool, header.num_poses * sizeof(iqmpose1_t));
+ for (i = 0;i < (int)header.num_poses;i++)
+ {
+ float f;
+ pose1[i].parent = LittleLong(inpose1[i].parent);
+ pose1[i].channelmask = LittleLong(inpose1[i].channelmask);
+ for (j = 0;j < 9;j++)
+ {
+ pose1[i].channeloffset[j] = LittleFloat(inpose1[i].channeloffset[j]);
+ pose1[i].channelscale[j] = LittleFloat(inpose1[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);
+ }
+ if (header.num_frames <= 0)
+ {
+ for (i = 0;i < loadmodel->num_bones;i++)
+ {
+ float f;
+ f = fabs(joint1[i].origin[0]); biggestorigin = max(biggestorigin, f);
+ f = fabs(joint1[i].origin[1]); biggestorigin = max(biggestorigin, f);
+ f = fabs(joint1[i].origin[2]); biggestorigin = max(biggestorigin, f);
+ }
+ }
+ }
+ else
+ {
+ iqmpose_t *inpose = (iqmpose_t *)(pbase + header.ofs_poses);
+ if (header.num_poses)
+ pose = (iqmpose_t *)Mem_Alloc(loadmodel->mempool, header.num_poses * sizeof(iqmpose_t));
+ for (i = 0;i < (int)header.num_poses;i++)
+ {
+ float f;
+ pose[i].parent = LittleLong(inpose[i].parent);
+ pose[i].channelmask = LittleLong(inpose[i].channelmask);
+ for (j = 0;j < 10;j++)
+ {
+ pose[i].channeloffset[j] = LittleFloat(inpose[i].channeloffset[j]);
+ pose[i].channelscale[j] = LittleFloat(inpose[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);
+ }
+ if (header.num_frames <= 0)
+ {
+ for (i = 0;i < loadmodel->num_bones;i++)
+ {
+ float f;
+ f = fabs(joint[i].origin[0]); biggestorigin = max(biggestorigin, f);
+ f = fabs(joint[i].origin[1]); biggestorigin = max(biggestorigin, f);
+ f = fabs(joint[i].origin[2]); biggestorigin = max(biggestorigin, f);
+ }
+ }
+ }
+ loadmodel->num_posescale = biggestorigin / 32767.0f;
+ loadmodel->num_poseinvscale = 1.0f / loadmodel->num_posescale;
+
+ // load the pose data
+ // this unaligned memory access is safe (LittleShort reads as bytes)
+ framedata = (const 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++;
+ }
+ }
+ if (header.num_frames <= 0)
+ {
+ for (i = 0;i < loadmodel->num_bones;i++)
+ {
+ loadmodel->data_poses6s[i*6 + 0] = loadmodel->num_poseinvscale * joint1[i].origin[0];
+ loadmodel->data_poses6s[i*6 + 1] = loadmodel->num_poseinvscale * joint1[i].origin[1];
+ loadmodel->data_poses6s[i*6 + 2] = loadmodel->num_poseinvscale * joint1[i].origin[2];
+ loadmodel->data_poses6s[i*6 + 3] = 32767.0f * joint1[i].rotation[0];
+ loadmodel->data_poses6s[i*6 + 4] = 32767.0f * joint1[i].rotation[1];
+ loadmodel->data_poses6s[i*6 + 5] = 32767.0f * joint1[i].rotation[2];
+ }
+ }
+ }
+ 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++;
+ }
+ }
+ if (header.num_frames <= 0)
+ {
+ for (i = 0;i < loadmodel->num_bones;i++)
+ {
+ loadmodel->data_poses6s[i*6 + 0] = loadmodel->num_poseinvscale * joint[i].origin[0];
+ loadmodel->data_poses6s[i*6 + 1] = loadmodel->num_poseinvscale * joint[i].origin[1];
+ loadmodel->data_poses6s[i*6 + 2] = loadmodel->num_poseinvscale * joint[i].origin[2];
+ loadmodel->data_poses6s[i*6 + 3] = 32767.0f * joint[i].rotation[0];
+ loadmodel->data_poses6s[i*6 + 4] = 32767.0f * joint[i].rotation[1];
+ loadmodel->data_poses6s[i*6 + 5] = 32767.0f * joint[i].rotation[2];
+ }
+ }
+ }
+
+ // load bounding box data
+ if (header.ofs_bounds)
+ {
+ float xyradius = 0, radius = 0;
+ VectorClear(loadmodel->normalmins);
+ VectorClear(loadmodel->normalmaxs);
+ for (i = 0; i < (int)header.num_frames;i++)
+ {
+ iqmbounds_t bound;
+ bound.mins[0] = LittleFloat(bounds[i].mins[0]);
+ bound.mins[1] = LittleFloat(bounds[i].mins[1]);
+ bound.mins[2] = LittleFloat(bounds[i].mins[2]);
+ bound.maxs[0] = LittleFloat(bounds[i].maxs[0]);
+ bound.maxs[1] = LittleFloat(bounds[i].maxs[1]);
+ bound.maxs[2] = LittleFloat(bounds[i].maxs[2]);
+ bound.xyradius = LittleFloat(bounds[i].xyradius);
+ bound.radius = LittleFloat(bounds[i].radius);
+ if (!i)
+ {
+ VectorCopy(bound.mins, loadmodel->normalmins);
+ VectorCopy(bound.maxs, loadmodel->normalmaxs);
+ }
+ else
+ {
+ if (loadmodel->normalmins[0] > bound.mins[0]) loadmodel->normalmins[0] = bound.mins[0];
+ if (loadmodel->normalmins[1] > bound.mins[1]) loadmodel->normalmins[1] = bound.mins[1];
+ if (loadmodel->normalmins[2] > bound.mins[2]) loadmodel->normalmins[2] = bound.mins[2];
+ if (loadmodel->normalmaxs[0] < bound.maxs[0]) loadmodel->normalmaxs[0] = bound.maxs[0];
+ if (loadmodel->normalmaxs[1] < bound.maxs[1]) loadmodel->normalmaxs[1] = bound.maxs[1];
+ if (loadmodel->normalmaxs[2] < bound.maxs[2]) loadmodel->normalmaxs[2] = bound.maxs[2];
+ }
+ if (bound.xyradius > xyradius)
+ xyradius = bound.xyradius;
+ if (bound.radius > radius)
+ radius = bound.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
+ // this unaligned memory access is safe (LittleLong reads as bytes)
+ inelements = (const unsigned 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)
+ {
+ // this unaligned memory access is safe (LittleLong reads as bytes)
+ inneighbors = (const int *)(pbase + header.ofs_neighbors);
+ outneighbors = loadmodel->surfmesh.data_neighbor3i;
+ for (i = 0;i < (int)header.num_triangles;i++)
+ {
+ outneighbors[0] = LittleLong(inneighbors[0]);
+ outneighbors[1] = LittleLong(inneighbors[1]);
+ outneighbors[2] = LittleLong(inneighbors[2]);
+ outneighbors += 3;
+ inneighbors += 3;
+ }
+ }
+
+ // load vertex data
+ // this unaligned memory access is safe (LittleFloat reads as bytes)
+ 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;
+ // this unaligned memory access is safe (LittleFloat reads as bytes)
+ for (i = 0;i < (int)header.num_vertexes;i++)
+ {
+ outtexcoord[0] = LittleFloat(vtexcoord[0]);
+ outtexcoord[1] = LittleFloat(vtexcoord[1]);
+ vtexcoord += 2;
+ outtexcoord += 2;
+ }
+
+ // this unaligned memory access is safe (LittleFloat reads as bytes)
+ 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;
+ }
+ }
+
+ // this unaligned memory access is safe (LittleFloat reads as bytes)
+ 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;
+ }
+ }
+
+ // this unaligned memory access is safe (all bytes)
+ if (vblendindexes && vblendweights)
+ {
+ 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);
+ }
+ }
+
+ if (vcolor4f)
+ {
+ outcolor = loadmodel->surfmesh.data_lightmapcolor4f;
+ // this unaligned memory access is safe (LittleFloat reads as bytes)
+ for (i = 0;i < (int)header.num_vertexes;i++)
+ {
+ outcolor[0] = LittleFloat(vcolor4f[0]);
+ outcolor[1] = LittleFloat(vcolor4f[1]);
+ outcolor[2] = LittleFloat(vcolor4f[2]);
+ outcolor[3] = LittleFloat(vcolor4f[3]);
+ vcolor4f += 4;
+ outcolor += 4;
+ }
+ }
+ else if (vcolor4ub)
+ {
+ outcolor = loadmodel->surfmesh.data_lightmapcolor4f;
+ // this unaligned memory access is safe (all bytes)
+ for (i = 0;i < (int)header.num_vertexes;i++)
+ {
+ outcolor[0] = vcolor4ub[0] * (1.0f / 255.0f);
+ outcolor[1] = vcolor4ub[1] * (1.0f / 255.0f);
+ outcolor[2] = vcolor4ub[2] * (1.0f / 255.0f);
+ outcolor[3] = vcolor4ub[3] * (1.0f / 255.0f);
+ vcolor4ub += 4;
+ outcolor += 4;
+ }
+ }
+
+ // load meshes
+ for (i = 0;i < (int)header.num_meshes;i++)
+ {
+ iqmmesh_t mesh;
+ msurface_t *surface;
+
+ mesh.name = LittleLong(meshes[i].name);
+ mesh.material = LittleLong(meshes[i].material);
+ mesh.first_vertex = LittleLong(meshes[i].first_vertex);
+ mesh.num_vertexes = LittleLong(meshes[i].num_vertexes);
+ mesh.first_triangle = LittleLong(meshes[i].first_triangle);
+ mesh.num_triangles = LittleLong(meshes[i].num_triangles);
+
+ loadmodel->sortedmodelsurfaces[i] = i;
+ surface = loadmodel->data_surfaces + i;
+ surface->texture = loadmodel->data_textures + i;
+ surface->num_firsttriangle = mesh.first_triangle;
+ surface->num_triangles = mesh.num_triangles;
+ surface->num_firstvertex = mesh.first_vertex;
+ surface->num_vertices = mesh.num_vertexes;
+
+ Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, &text[mesh.name], &text[mesh.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();
+
+ if (!loadmodel->surfmesh.isanimated && loadmodel->surfmesh.num_triangles >= 1)
+ {
+ 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;
+ }
+
+ if (joint ) Mem_Free(joint );joint = NULL;
+ if (joint1 ) Mem_Free(joint1 );joint1 = NULL;
+ if (pose ) Mem_Free(pose );pose = NULL;
+ if (pose1 ) Mem_Free(pose1 );pose1 = NULL;
+
+ // because shaders can do somewhat unexpected things, check for unusual features now
+ for (i = 0;i < loadmodel->num_textures;i++)
+ {
+ if (loadmodel->data_textures[i].basematerialflags & (MATERIALFLAG_SKY))
+ mod->DrawSky = R_Q1BSP_DrawSky;
+ if (loadmodel->data_textures[i].basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA))
+ mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes;
+ }
+}
projects / xonotic / darkplaces.git / blobdiff