private static void LoadSourceAnimationData(BinaryReader br, ModelData modelData, int numAnim, int animIndex)
{
modelData.SourceAnimations = new List<SourceAnimation>();
var restorePoint = br.BaseStream.Position;
br.BaseStream.Position = animIndex;
for (var i = 0; i < numAnim; i++)
{
var animStartPos = br.BaseStream.Position;
var basePointer = br.ReadInt32();
var szNameIndex = br.ReadInt32();
var fps = br.ReadSingle();
var animDescFlags = br.ReadInt32();
var numframes = br.ReadInt32();
var numMovements = br.ReadInt32();
var movementIndex = br.ReadInt32();
br.ReadCoordinateFArray(2); // bounding box; unused
var ablock = br.ReadInt32();
var aindex = br.ReadInt32();
var numIkRules = br.ReadInt32();
var ikRuleIndex = br.ReadInt32();
var animBlockIkRuleIndex = br.ReadInt32();
br.ReadIntArray(7); // Unused
var animEndPos = br.BaseStream.Position;
var sourceAnim = new SourceAnimation(i, numframes, fps, animDescFlags, numMovements, movementIndex,
ablock, aindex, numIkRules, ikRuleIndex, animBlockIkRuleIndex);
var currentOffset = aindex;
short nextOffset;
do
{
br.BaseStream.Position = animStartPos + currentOffset;
var animBone = br.ReadByte();
var animFlags = br.ReadByte();
nextOffset = br.ReadInt16();
currentOffset += nextOffset;
var aniBone = new SourceAnimationBone(animBone, animFlags, numframes);
aniBone.ReadData(br);
sourceAnim.AnimationBones.Add(aniBone);
} while (nextOffset != 0);
modelData.SourceAnimations.Add(sourceAnim);
br.BaseStream.Position = animEndPos;
}
br.BaseStream.Position = restorePoint;
}
private static void ReadStudioModel(BinaryReader br, string groupName, int bodyPartIndex, int modelIndex, ModelData data, DataStructures.Models.Model model)
{
var startModelPos = br.BaseStream.Position;
var name = br.ReadFixedLengthString(Encoding.ASCII, 64);
var type = br.ReadInt32();
var radius = br.ReadSingle();
var numMesh = br.ReadInt32();
var meshIndex = br.ReadInt32();
var numVerts = br.ReadInt32();
var vertInfoIndex = 0;
if (data.Version == MDLVersionGoldsource)
{
vertInfoIndex = br.ReadInt32();
}
var vertIndex = br.ReadInt32();
int numNorms = 0, normInfoIndex = 0, normIndex = 0;
if (data.Version == MDLVersionGoldsource)
{
numNorms = br.ReadInt32();
normInfoIndex = br.ReadInt32();
normIndex = br.ReadInt32();
}
else if (data.Version >= MDLVersionSource2006)
{
var tangentsIndex = br.ReadInt32();
}
var numGroups = br.ReadInt32(); // Attachments in source
var groupIndex = br.ReadInt32(); // Attachments
if (data.Version >= MDLVersionSource2006)
{
var numEyeballs = br.ReadInt32();
var eyeballIndex = br.ReadInt32();
var vertexDataPointer = br.ReadInt32();
var tangentDataPointer = br.ReadInt32();
br.ReadIntArray(8); // Unused
}
var endPos = br.BaseStream.Position;
if (data.Version == MDLVersionGoldsource)
{
ReadVerticesGoldSource(br, groupName, modelIndex, model, numVerts, vertInfoIndex, vertIndex, numMesh, meshIndex, numNorms, normInfoIndex, normIndex);
}
else if (data.Version >= MDLVersionSource2006)
{
ReadVerticesSource(br, groupName, bodyPartIndex, modelIndex, data, model, numMesh, startModelPos + meshIndex);
}
br.BaseStream.Position = endPos;
}
private static void ReadSequence(BinaryReader br, int index, ModelData data, DataStructures.Models.Model model, IList<SequenceGroup> groups)
{
var startReadIndex = br.BaseStream.Position;
var name = "";
var fps = 0f;
if (data.Version == MDLVersionGoldsource)
{
name = br.ReadFixedLengthString(Encoding.ASCII, 32);
fps = br.ReadSingle();
}
else if (data.Version >= MDLVersionSource2006)
{
var baseIndex = br.ReadInt32();
var labelIndex = br.ReadInt32();
var activityNameIndex = br.ReadInt32();
}
var flags = br.ReadInt32();
var activity = br.ReadInt32();
var actweight = br.ReadInt32();
var numevents = br.ReadInt32();
var eventindex = br.ReadInt32();
var numframes = 0;
if (data.Version == MDLVersionGoldsource)
{
numframes = br.ReadInt32();
var numpivots = br.ReadInt32();
var pivotindex = br.ReadInt32();
var motiontype = br.ReadInt32();
var motionbone = br.ReadInt32();
var linearmovement = br.ReadCoordinateF();
var automoveposindex = br.ReadInt32();
var automoveangleindex = br.ReadInt32();
}
var bbmin = br.ReadCoordinateF();
var bbmax = br.ReadCoordinateF();
var numblends = br.ReadInt32();
var animindex = br.ReadInt32();
var groupsize = new int[0];
if (data.Version >= MDLVersionSource2006)
{
var movementindex = br.ReadInt32();
groupsize = br.ReadIntArray(2);
}
var blendtype = br.ReadIntArray(2); // paramindex in source
var blendstart = br.ReadSingleArray(2); // paramstart
var blendend = br.ReadSingleArray(2); // paramend
var blendparent = br.ReadInt32(); // paramparent
var seqgroup = 0;
if (data.Version == MDLVersionGoldsource)
{
seqgroup = br.ReadInt32();
}
if (data.Version >= MDLVersionSource2006)
{
var fadeintime = br.ReadSingle();
var fadeouttime = br.ReadSingle();
}
var entrynode = br.ReadInt32();
var exitnode = br.ReadInt32();
var nodeflags = br.ReadInt32();
if (data.Version >= MDLVersionSource2006)
{
var entryphase = br.ReadSingle();
var exitphase = br.ReadSingle();
var lastframe = br.ReadSingle();
}
var nextseq = br.ReadInt32();
if (data.Version >= MDLVersionSource2006)
{
var pose = br.ReadInt32();
var numikrules = br.ReadInt32();
var numautolayers = br.ReadInt32();
var autolayerindex = br.ReadInt32();
var weightlistindex = br.ReadInt32();
var wlpos = br.BaseStream.Position;
br.BaseStream.Position = startReadIndex + weightlistindex;
var weightList = br.ReadSingleArray(model.Bones.Count);
br.BaseStream.Position = wlpos;
var posekeyindex = br.ReadInt32();
var numiklocks = br.ReadInt32();
var iklockindex = br.ReadInt32();
var keyvalueindex = br.ReadInt32();
var keyvaluesize = br.ReadInt32();
var cycleposeindex = br.ReadInt32();
br.ReadIntArray(7); // Unused
}
// Load animtion values
var pos = br.BaseStream.Position;
if (data.Version == MDLVersionGoldsource)
{
if (seqgroup > 0)
{
//TODO: load animations from other files
return;
// sub out br for another br against the new SG file
// br = new BinaryReader(file....etc)
// br.BaseStream.Position = animindex;
}
br.BaseStream.Position = groups[seqgroup].GroupZeroDataIndex + animindex;
ReadAnimationGoldsource(br, model, numframes);
}
else if (data.Version >= MDLVersionSource2006)
{
br.BaseStream.Position = startReadIndex + animindex;
ReadAnimationSource(br, data, model, groupsize);
}
br.BaseStream.Position = pos;
}
private static DataStructures.Models.Model ReadModel(BinaryReader br, IFile file, ModelLoadItems loadItems)
{
// int id - Not really an int. This is a magic string, either "IDST" or "IDSQ".
var magicString = br.ReadFixedLengthString(Encoding.UTF8, 4);
if (magicString != MagicStringIDST && magicString != MagicStringIDSQ)
{
throw new ProviderException("Bad magic number for model. Expected [IDST,IDSQ], got: " + magicString);
}
// int version - Half-life 1 models are version 10.
var version = br.ReadInt32();
if (version != MDLVersionGoldsource
&& version != MDLVersionSource2006
&& version != MDLVersionSourceEpisode2
&& version != MDLVersionSourcePortal
&& version != MDLVersionSource2007
&& version != MDLVersionSource2012)
{
throw new ProviderException("Bad version number for model. Expected [10,44,45,46,48,49], got: " + version);
}
var modelData = new ModelData {Version = version};
if (version >= MDLVersionSource2006)
{
if (loadItems.HasFlag(ModelLoadItems.Meshes))
{
// Source vertex and mesh info is stored in flat file structures, preload these separately.
LoadSourceMeshData(modelData, file);
}
}
long checksum = 0;
if (version >= MDLVersionSource2006)
{
checksum = br.ReadInt32(); // This is a long in the headers but is only written to the file in 4 bytes. Why? I don't know.
}
// char name[64] - The name of the model (file path)
var path = br.ReadFixedLengthString(Encoding.UTF8, 64);
// int length - The size of the model file in bytes
var fileSize = br.ReadInt32();
var eyePosition = br.ReadCoordinateF();
var illumPosition = CoordinateF.Zero;
if (version >= MDLVersionSource2006)
{
illumPosition = br.ReadCoordinateF();
}
var hullMin = br.ReadCoordinateF();
var hullMax = br.ReadCoordinateF();
var bbMin = br.ReadCoordinateF();
var bbMax = br.ReadCoordinateF();
// int flags - Unknown.
var flags = br.ReadInt32();
var numBones = br.ReadInt32();
var boneIndex = br.ReadInt32();
var numBoneControllers = br.ReadInt32();
var boneControllerIndex = br.ReadInt32();
var numHitBoxes = br.ReadInt32();
var hitboxIndex = br.ReadInt32();
if (version >= MDLVersionSource2006)
{
var numAnim = br.ReadInt32();
var animIndex = br.ReadInt32();
if (loadItems.HasFlag(ModelLoadItems.Animations))
{
// Source animation data is stored on their own instead of inside the sequence
LoadSourceAnimationData(br, modelData, numAnim, animIndex);
}
}
var numSeq = br.ReadInt32();
var seqIndex = br.ReadInt32();
int numSeqGroups = 0, seqGroupIndex = 0, activitylistversion = 0, eventsindexed = 0;
if (version >= MDLVersionSource2006)
{
activitylistversion = br.ReadInt32();
eventsindexed = br.ReadInt32();
}
else if (version == MDLVersionGoldsource)
{
numSeqGroups = br.ReadInt32();
seqGroupIndex = br.ReadInt32();
}
var numTextures = br.ReadInt32();
var textureIndex = br.ReadInt32();
var textureDataIndex = 0;
if (version == MDLVersionGoldsource)
{
textureDataIndex = br.ReadInt32();
}
if (version >= MDLVersionSource2006)
{
var numcdtextures = br.ReadInt32();
var cdtextureindex = br.ReadInt32();
}
var numSkinRef = br.ReadInt32();
var numSkinFamilies = br.ReadInt32();
var skinIndex = br.ReadInt32();
var numBodyParts = br.ReadInt32();
var bodyPartIndex = br.ReadInt32();
var numAttachments = br.ReadInt32();
var attachmentIndex = br.ReadInt32();
if (version >= MDLVersionSource2006)
{
var numlocalnodes = br.ReadInt32();
var localnodeindex = br.ReadInt32();
var localnodenameindex = br.ReadInt32();
var numflexdesc = br.ReadInt32();
var flexdescindex = br.ReadInt32();
var numflexcontrollers = br.ReadInt32();
var flexcontrollerindex = br.ReadInt32();
var numflexrules = br.ReadInt32();
var flexruleindex = br.ReadInt32();
var numikchains = br.ReadInt32();
var ikchainindex = br.ReadInt32();
var nummouths = br.ReadInt32();
var mouthindex = br.ReadInt32();
var numlocalposeparameters = br.ReadInt32();
var localposeparamindex = br.ReadInt32();
var surfacepropindex = br.ReadInt32();
var keyvalueindex = br.ReadInt32();
var keyvaluesize = br.ReadInt32();
var numlocalikautoplaylocks = br.ReadInt32();
var localikautoplaylockindex = br.ReadInt32();
var mass = br.ReadSingle();
var contents = br.ReadInt32();
var numincludemodels = br.ReadInt32();
var includemodelindex = br.ReadInt32();
var virtualModelPointer = br.ReadInt32();
var szanimblocknameindex = br.ReadInt32();
var numanimblocks = br.ReadInt32();
var animblockindex = br.ReadInt32();
var animblockModelPointer = br.ReadInt32();
var bonetablebynameindex = br.ReadInt32();
var pVertexBasePointer = br.ReadInt32();
var pIndexBasePointer = br.ReadInt32();
var constdirectionallightdot = br.ReadByte();
var rootLod = br.ReadByte();
var numAllowedRootLods = br.ReadByte(); // Unused in Source2006
br.ReadByte(); // Unused
var zeroframecacheindex = br.ReadInt32(); // Unused in Source2007
if (version == MDLVersionSource2006)
{
br.ReadBytes(6); // Unused
}
else if (version == MDLVersionSource2007)
{
var numflexcontrollerui = br.ReadInt32();
var flexcontrolleruiindex = br.ReadInt32();
br.ReadIntArray(2); // Unused
var studiohdr2Index = br.ReadInt32();
br.ReadInt32(); // Unused
}
}
else if (version == MDLVersionGoldsource)
{
var soundTable = br.ReadInt32();
var soundIndex = br.ReadInt32();
var soundGroups = br.ReadInt32();
var soundGroupIndex = br.ReadInt32();
var numTransitions = br.ReadInt32();
var transitionIndex = br.ReadInt32();
}
var model = new DataStructures.Models.Model();
model.Name = file.NameWithoutExtension;
model.BonesTransformMesh = modelData.Version == MDLVersionGoldsource;
if (loadItems.HasFlag(ModelLoadItems.Bones))
{
// Bones
br.BaseStream.Position = boneIndex;
for (var i = 0; i < numBones; i++) ReadBone(br, i, modelData, model);
}
// Controllers
// TODO
// Attachments
// TODO
// Hitboxes
// TODO
if (loadItems.HasFlag(ModelLoadItems.Animations))
{
if (version >= MDLVersionSource2006)
{
throw new ProviderException("Source animations are currently not supported.");
}
// Sequence Groups
var groups = new List<SequenceGroup>();
br.BaseStream.Position = seqGroupIndex;
for (var i = 0; i < numSeqGroups; i++) groups.Add(ReadSequenceGroup(br, modelData));
// Sequences
br.BaseStream.Position = seqIndex;
for (var i = 0; i < numSeq; i++) ReadSequence(br, i, modelData, model, groups);
}
// Transitions
// TODO
if (loadItems.HasFlag(ModelLoadItems.Meshes))
{
// Body parts
br.BaseStream.Position = bodyPartIndex;
for (var i = 0; i < numBodyParts; i++) ReadBodyPart(br, i, modelData, model);
}
// Texture Info
if (loadItems.HasFlag(ModelLoadItems.TextureInfo) || loadItems.HasFlag(ModelLoadItems.TextureData))
{
ReadTextureInfo(file, br, modelData, model, numTextures, textureIndex);
}
// Textures
return model;
}
private static void ReadBone(BinaryReader br, int index, ModelData data, DataStructures.Models.Model model)
{
var name = "";
var nameIndex = 0;
if (data.Version >= MDLVersionSource2006)
{
nameIndex = br.ReadInt32();
}
else if (data.Version == MDLVersionGoldsource)
{
name = br.ReadFixedLengthString(Encoding.UTF8, 32);
}
var parent = br.ReadInt32();
int flags = 0;
if (data.Version == MDLVersionGoldsource)
{
flags = br.ReadInt32();
}
var boneController = br.ReadIntArray(6); // 3 pos, 3 rot
var defPos = br.ReadCoordinateF();
QuaternionF quat = null;
if (data.Version >= MDLVersionSource2006)
{
// quaternion
quat = new QuaternionF(br.ReadCoordinateF(), br.ReadSingle());
}
var defAng = br.ReadCoordinateF();
var defPosScale = br.ReadCoordinateF();
var defAngScale = br.ReadCoordinateF();
if (data.Version >= MDLVersionSource2006)
{
var poseToBone = br.ReadIntArray(12); // 3x4 matrix
var qAlignment = new QuaternionF(br.ReadCoordinateF(), br.ReadSingle());
flags = br.ReadInt32();
var proctype = br.ReadInt32();
var procindex = br.ReadInt32();
var physicsbone = br.ReadInt32();
var surfacepropidx = br.ReadInt32();
var contents = br.ReadInt32();
br.ReadIntArray(8); // Unused
}
var parentBone = parent < 0 ? null : model.Bones[parent];
model.Bones.Add(new Bone(index, parent, parentBone, name, defPos, defAng, defPosScale, defAngScale));
}
private static void LoadSourceMeshData(ModelData modelData, IFile file)
{
modelData.Meshes = new List<VTXModel>();
// In Source the vertices are saved to the VVD file
// The vertex windings are saved in the VTX file
var vvd = file.GetRelatedFile("vvd");
var vtx = file.GetRelatedFile("vtx");
if (vvd == null) throw new ProviderException("Unable to locate " + file.NameWithoutExtension + ".vvd");
if (vtx == null) throw new ProviderException("Unable to locate " + file.NameWithoutExtension + ".vtx");
var vertices = new List<VVDPoint>();
using (var fs = vvd.Open())
{
using (var vbr = new BinaryReader(fs))
{
var magicString = vbr.ReadFixedLengthString(Encoding.UTF8, 4);
if (magicString != MagicStringIDSV)
{
throw new ProviderException("Bad magic number for vertex file. Expected IDSV, got: " + magicString);
}
var version = vbr.ReadInt32();
if (version != VVDVersionSource)
{
throw new ProviderException("Bad version number for vertex file. Expected 4, got: " + version);
}
long checksum = vbr.ReadInt32();
var numLods = vbr.ReadInt32();
var numLodVertices = vbr.ReadIntArray(8);
var numFixups = vbr.ReadInt32();
var fixupTableStart = vbr.ReadInt32();
var vertexDataStart = vbr.ReadInt32();
var tangentDataStart = vbr.ReadInt32();
vbr.BaseStream.Position = vertexDataStart;
// Read all the vertices from LOD 0 (this should contain the vertices for all LODs)
for (var i = 0; i < numLodVertices[0]; i++)
{
var boneWeights = vbr.ReadSingleArray(3);
var bones = vbr.ReadBytes(3);
var numBones = vbr.ReadByte();
var position = vbr.ReadCoordinateF();
var normal = vbr.ReadCoordinateF();
var textureS = vbr.ReadSingle();
var textureT = vbr.ReadSingle();
vertices.Add(new VVDPoint(boneWeights, bones, numBones, position, normal, textureS, textureT));
}
// Apply the fixup table, this re-orders the indices in reverse LOD order for performance reasons
if (numFixups > 0)
{
vbr.BaseStream.Position = fixupTableStart;
var newVerts = new List<VVDPoint>();
for (var i = 0; i < numFixups; i++)
{
var fuLod = vbr.ReadInt32();
var fuvertid = vbr.ReadInt32();
var funumverts = vbr.ReadInt32();
newVerts.AddRange(vertices.GetRange(fuvertid, funumverts));
}
vertices.Clear();
vertices.AddRange(newVerts);
}
modelData.Vertices = vertices;
}
}
using (var fs = vtx.Open())
{
using (var vbr = new BinaryReader(fs))
{
var version = vbr.ReadInt32(); // 7
if (version != VTXVersionSource)
{
throw new ProviderException("Bad version number for vertex file. Expected 7, got: " + version);
}
var vertCacheSize = vbr.ReadInt32();
var maxBonesPerStrip = vbr.ReadUInt16();
var maxBonesPerTri = vbr.ReadUInt16();
var maxBonesPerVert = vbr.ReadInt32();
long checksum = vbr.ReadInt32();
var numLods = vbr.ReadInt32();
var materialReplacementListOffset = vbr.ReadInt32();
var numBodyParts = vbr.ReadInt32();
var bodyPartOffset = vbr.ReadInt32();
// BODY PARTS
long posbp = bodyPartOffset;
for (var bp = 0; bp < numBodyParts; bp++)
{
vbr.BaseStream.Position = posbp;
var numModels = vbr.ReadInt32();
var modelOffset = vbr.ReadInt32();
var posmdl = posbp + modelOffset;
posbp = vbr.BaseStream.Position;
// MODELS
for (var mdl = 0; mdl < numModels; mdl++)
{
vbr.BaseStream.Position = posmdl;
var numLod = vbr.ReadInt32();
var lodOffset = vbr.ReadInt32();
var poslod = posmdl + lodOffset;
posmdl = vbr.BaseStream.Position;
// LODS
for (var lod = 0; lod < numLod; lod++)
{
vbr.BaseStream.Position = poslod;
var meshNum = vbr.ReadInt32();
var meshOffset = vbr.ReadInt32();
var switchPoint = vbr.ReadSingle();
var posmesh = poslod + meshOffset;
poslod = vbr.BaseStream.Position;
// MESHES
for (var msh = 0; msh < meshNum; msh++)
{
vbr.BaseStream.Position = posmesh;
var sgNum = vbr.ReadInt32();
var sgOffset = vbr.ReadInt32();
var meshFlags = vbr.ReadByte();
var possg = posmesh + sgOffset;
posmesh = vbr.BaseStream.Position;
var mesh = new VTXModel(bp, mdl, lod, msh);
// STRIP GROUPS
for (var sg = 0; sg < sgNum; sg++)
{
vbr.BaseStream.Position = possg;
var vertNum = vbr.ReadInt32();
var vertOffset = vbr.ReadInt32();
var indexNum = vbr.ReadInt32();
var indexOffset = vbr.ReadInt32();
var stripNum = vbr.ReadInt32();
var stripOffset = vbr.ReadInt32();
var sgFlags = vbr.ReadByte();
// vbr.ReadIntArray(2); //TODO FIXME Newer model format 49's (DOTA2, CSGO) have two extra integers here, (num + offset, purpose unknown)
var posvert = possg + vertOffset;
var posidx = possg + indexOffset;
var posstrip = possg + stripOffset;
possg = vbr.BaseStream.Position;
var vertinfo = new List<VTXPoint>();
vbr.BaseStream.Position = posvert;
for (var vert = 0; vert < vertNum; vert++)
{
var boneWeightIndices = vbr.ReadBytes(3);
var numBones = vbr.ReadByte();
var meshVertex = vbr.ReadInt16();
var boneIDs = vbr.ReadBytes(3);
vertinfo.Add(new VTXPoint(boneWeightIndices, numBones, meshVertex, boneIDs));
}
vbr.BaseStream.Position = posidx;
var indices = vbr.ReadShortArray(indexNum);
// The strips hold info about whether this is a triangle strip or just a list
vbr.BaseStream.Position = posstrip;
for (var st = 0; st < stripNum; st++)
{
var numStIndices = vbr.ReadInt32();
var stIndexOffset = vbr.ReadInt32();
var numStVerts = vbr.ReadInt32();
var stVertOffset = vbr.ReadInt32();
var numStBones = vbr.ReadInt16();
var stFlags = vbr.ReadByte();
var numStBoneStateChanges = vbr.ReadInt32();
var stBoneStateChangeOffset = vbr.ReadInt32();
// vbr.ReadIntArray(2); //TODO FIXME Newer model format 49's (DOTA2, CSGO) have two extra integers here, (num + offset, purpose unknown)
if ((stFlags & VTXStripGroupTriListFlag) > 0)
{
for (var j = stIndexOffset; j < stIndexOffset + numStIndices; j++)
{
mesh.Mesh.Points.Add(vertinfo[indices[j]]);
//mesh.Vertices.Add(vertices[vertinfo[indices[j]]]);
}
}
else if ((stFlags & VTXStripGroupTriStripFlag) > 0)
{
for (var j = stIndexOffset; j < stIndexOffset + numStIndices - 2; j++)
{
var add = j % 2 == 1 ? new[] { j + 1, j, j + 2 } : new[] { j, j + 1, j + 2 };
foreach (var idx in add)
{
mesh.Mesh.Points.Add(vertinfo[indices[idx]]);
//mesh.Vertices.Add(vertices[vertinfo[indices[idx]]]);
}
}
}
} // Strips
} // Strip Groups
modelData.Meshes.Add(mesh);
} // Meshes
} // LODs
} // Models
} // Body Parts
} // using (var br)
} // using (var fs)
}
private static void ReadVerticesSource(BinaryReader br, string groupName, int bodyPartIndex, int modelIndex, ModelData modelData, DataStructures.Models.Model model, int numMesh, long meshIndex)
{
br.BaseStream.Position = meshIndex;
for (var i = 0; i < numMesh; i++)
{
var material = br.ReadInt32();
var modelOffset = br.ReadInt32();
var numVerts = br.ReadInt32();
var vertexOffset = br.ReadInt32();
var numFlexes = br.ReadInt32();
var flexIndex = br.ReadInt32();
var materialType = br.ReadInt32();
var materialParam = br.ReadInt32();
var meshId = br.ReadInt32();
var center = br.ReadCoordinateF();
var modelVertexDataPointer = br.ReadInt32();
var numLODVertices = br.ReadIntArray(8);
br.ReadIntArray(8); // Unused
foreach (var mm in modelData.Meshes.Where(mm => mm.BodyPart == bodyPartIndex
&& mm.Model == modelIndex
&& mm.LOD == 0
&& mm.MeshIndex == meshId))
{
var mesh = new Mesh(mm.LOD);
foreach (var point in mm.Mesh.Points)
{
var vert = modelData.Vertices[point.VertexIndex + vertexOffset];
var boneWeights = new List<BoneWeighting>();
for (var j = 0; j < vert.NumBones; j++)
{
boneWeights.Add(new BoneWeighting(model.Bones[vert.Bones[j]], vert.BoneWeights[j]));
}
var mv = new MeshVertex(vert.Position, vert.Normal, boneWeights, vert.TextureS, vert.TextureT);
mesh.Vertices.Add(mv);
}
model.AddMesh(groupName, modelIndex, mesh);
}
}
}