protected virtual void ReadMaterial(BinaryReader reader, ref TRLMaterial material)
{
material.textureID = reader.ReadUInt32();
reader.BaseStream.Position += 0x04;
material.vbBaseOffset = reader.ReadUInt32();
reader.BaseStream.Position += 0x08;
}
protected virtual void ReadOctLeaf(BinaryReader reader, List <TreePolygon> treePolygons, Mesh xMesh, List <TRLMaterial> materials)
{
UInt32 uNextStrip = _dataStart + reader.ReadUInt32();
reader.BaseStream.Position = uNextStrip;
int counter = 0;
while (true)
{
bool bShouldWrite = true; // For debug.
UInt32 uIndexCount = reader.ReadUInt32();
counter++;
reader.BaseStream.Position = uNextStrip + 0x2C;
UInt16[] axStripIndices = new UInt16[uIndexCount];
for (UInt32 i = 0; i < uIndexCount; i++)
{
axStripIndices[i] = reader.ReadUInt16();
}
reader.BaseStream.Position = uNextStrip + 0x14;
UInt32 materialID = reader.ReadUInt32();
if (bShouldWrite)
{
UInt16 i = 0;
while (i < uIndexCount)
{
TreePolygon newPolygon = new TreePolygon();
TRLMaterial trlMaterial = materials[(int)materialID];
newPolygon.v1 = axStripIndices[i++];
newPolygon.v2 = axStripIndices[i++];
newPolygon.v3 = axStripIndices[i++];
newPolygon.textureID = trlMaterial.textureID;
newPolygon.vbBaseOffset = trlMaterial.vbBaseOffset;
treePolygons.Add(newPolygon);
}
if (xMesh != null)
{
xMesh.indexCount += uIndexCount;
}
}
reader.BaseStream.Position = uNextStrip + 0x28;
uNextStrip = reader.ReadUInt32();
if (uNextStrip == 0 || uIndexCount == 0)
{
break;
}
reader.BaseStream.Position = uNextStrip;
}
}
protected override void ReadPolygons(BinaryReader reader, CDC.Objects.ExportOptions options)
{
Material xMaterial = new Material();
xMaterial.textureID = 0;
xMaterial.colour = 0xFFFFFFFF;
_materialsList.Add(xMaterial);
List <Mesh> xMeshes = new List <Mesh>();
List <int> xMeshPositions = new List <int>();
List <TreePolygon> treePolygons = new List <TreePolygon>((Int32)_vertexCount * 3);
for (UInt32 t = 0; t < m_uOctTreeCount; t++)
{
reader.BaseStream.Position = m_uOctTreeStart + (t * 0xB0);
reader.BaseStream.Position += 0x24;
UInt32 uOctID = reader.ReadUInt32();
reader.BaseStream.Position += 0x1C;
UInt32 uDataPos = reader.ReadUInt32();
reader.BaseStream.Position += 0x48;
UInt32 materialListPos = reader.ReadUInt32();
reader.BaseStream.Position = materialListPos;
UInt32 uNumMaterials = reader.ReadUInt32();
List <TRLMaterial> materials = new List <TRLMaterial>();
for (UInt32 m = 0; m < uNumMaterials; m++)
{
TRLMaterial material = new TRLMaterial();
ReadMaterial(reader, ref material);
materials.Add(material);
}
_trees[t] = ReadOctTree(reader, treePolygons, uDataPos, _trees[t], xMeshes, xMeshPositions, 0, materials);
}
_polygonCount = (UInt32)treePolygons.Count;
_polygons = new Polygon[_polygonCount];
int currentPosition = 0, currentPolygon = 0;
for (int m = 0; m < xMeshes.Count; m++)
{
FinaliseMesh(treePolygons, currentPosition, xMeshes[m], xMaterial, ref currentPolygon);
currentPosition = xMeshPositions[m];
}
_materialCount = (UInt32)_materialsList.Count;
return;
}
