private void ReadSourceVtxMeshes(long modelLodInputFileStreamPosition, SourceVtxModelLod aModelLod)
{
long meshInputFileStreamPosition;
long inputFileStreamPosition;
stream.Position = modelLodInputFileStreamPosition + aModelLod.meshOffset;
aModelLod.theVtxMeshes = new SourceVtxMesh[aModelLod.meshCount];
for (int i = 0; i < aModelLod.theVtxMeshes.Length; i++)
{
meshInputFileStreamPosition = stream.Position;
aModelLod.theVtxMeshes[i] = new SourceVtxMesh();
aModelLod.theVtxMeshes[i].stripGroupCount = FileReader.readInt(stream);
aModelLod.theVtxMeshes[i].stripGroupOffset = FileReader.readInt(stream);
aModelLod.theVtxMeshes[i].flags = FileReader.readByte(stream);
inputFileStreamPosition = stream.Position;
if (aModelLod.theVtxMeshes[i].stripGroupCount > 0 && aModelLod.theVtxMeshes[i].stripGroupOffset != 0)
{
if (theFirstMeshWithStripGroups == null)
{
theFirstMeshWithStripGroups = aModelLod.theVtxMeshes[i];
theFirstMeshWithStripGroupsInputFileStreamPosition = meshInputFileStreamPosition;
AnalyzeVtxStripGroups(meshInputFileStreamPosition, aModelLod.theVtxMeshes[i]);
ReadSourceVtxStripGroups(meshInputFileStreamPosition, aModelLod.theVtxMeshes[i]);
}
else if (theSecondMeshWithStripGroups == null)
{
theSecondMeshWithStripGroups = aModelLod.theVtxMeshes[i];
if (theExpectedStartOfSecondStripGroupList != (meshInputFileStreamPosition + aModelLod.theVtxMeshes[i].stripGroupOffset))
{
theStripGroupUsesExtra8Bytes = true;
if (aModelLod.theVtxMeshes[i].theVtxStripGroups != null)
{
aModelLod.theVtxMeshes[i] = null;
}
ReadSourceVtxStripGroups(theFirstMeshWithStripGroupsInputFileStreamPosition, theFirstMeshWithStripGroups);
}
ReadSourceVtxStripGroups(meshInputFileStreamPosition, aModelLod.theVtxMeshes[i]);
}
else
{
ReadSourceVtxStripGroups(meshInputFileStreamPosition, aModelLod.theVtxMeshes[i]);
}
}
stream.Position = inputFileStreamPosition;
}
}
private void AnalyzeVtxStripGroups(long meshInputFileStreamPosition, SourceVtxMesh aMesh)
{
stream.Position = meshInputFileStreamPosition + aMesh.stripGroupOffset;
aMesh.theVtxStripGroups = new SourceVtxStripGroup[aMesh.stripGroupCount];
for (int i = 0; i < aMesh.theVtxStripGroups.Length; i++)
{
aMesh.theVtxStripGroups[i] = new SourceVtxStripGroup();
aMesh.theVtxStripGroups[i].vertexCount = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].vertexOffset = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].indexCount = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].indexOffset = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].stripCount = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].stripOffset = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].flags = FileReader.readByte(stream);
}
theExpectedStartOfSecondStripGroupList = stream.Position;
}
private void ReadSourceVtxStripGroups(long meshInputFileStreamPosition, SourceVtxMesh aMesh)
{
long stripGroupInputFileStreamPosition;
long inputFileStreamPosition;
stream.Position = meshInputFileStreamPosition + aMesh.stripGroupOffset;
aMesh.theVtxStripGroups = new SourceVtxStripGroup[aMesh.stripGroupCount];
for (int i = 0; i < aMesh.theVtxStripGroups.Length; i++)
{
stripGroupInputFileStreamPosition = stream.Position;
aMesh.theVtxStripGroups[i] = new SourceVtxStripGroup();
aMesh.theVtxStripGroups[i].vertexCount = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].vertexOffset = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].indexCount = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].indexOffset = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].stripCount = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].stripOffset = FileReader.readInt(stream);
aMesh.theVtxStripGroups[i].flags = FileReader.readByte(stream);
if (theStripGroupUsesExtra8Bytes)
{
FileReader.readInt(stream);
FileReader.readInt(stream);
}
inputFileStreamPosition = stream.Position;
if (aMesh.theVtxStripGroups[i].vertexCount > 0 && aMesh.theVtxStripGroups[i].vertexOffset != 0)
{
ReadSourceVtxVertices(stripGroupInputFileStreamPosition, aMesh.theVtxStripGroups[i]);
}
if (aMesh.theVtxStripGroups[i].indexCount > 0 && aMesh.theVtxStripGroups[i].indexOffset != 0)
{
ReadSourceVtxIndices(stripGroupInputFileStreamPosition, aMesh.theVtxStripGroups[i]);
}
if (aMesh.theVtxStripGroups[i].stripCount > 0 && aMesh.theVtxStripGroups[i].stripOffset != 0)
{
ReadSourceVtxStrips(stripGroupInputFileStreamPosition, aMesh.theVtxStripGroups[i]);
}
stream.Position = inputFileStreamPosition;
}
}
public SourceVtxBodyPart[] ReadSourceVtxBodyParts()
{
if (header.numBodyParts > 0)
{
theFirstMeshWithStripGroups = null;
theFirstMeshWithStripGroupsInputFileStreamPosition = -1;
theSecondMeshWithStripGroups = null;
theExpectedStartOfSecondStripGroupList = -1;
theStripGroupUsesExtra8Bytes = false;
long bodyPartInputFileStreamPosition;
long inputFileStreamPosition;
stream.Position = header.bodyPartOffset;
bodyParts = new SourceVtxBodyPart[header.numBodyParts];
for (int i = 0; i < bodyParts.Length; i++)
{
bodyPartInputFileStreamPosition = stream.Position;
bodyParts[i] = new SourceVtxBodyPart();
bodyParts[i].modelCount = FileReader.readInt(stream);
bodyParts[i].modelOffset = FileReader.readInt(stream);
inputFileStreamPosition = stream.Position;
if (bodyParts[i].modelCount > 0 && bodyParts[i].modelOffset != 0)
{
ReadSourceVtxModels(bodyPartInputFileStreamPosition, bodyParts[i]);
}
stream.Position = inputFileStreamPosition;
}
}
return(bodyParts);
}
