protected virtual bool ReadTriangleList(BinaryReader xReader, ref DefianceTriangleList xTriangleList)
{
xTriangleList.m_uPolygonCount = (UInt32)xReader.ReadUInt16() / 3;
xTriangleList.m_usGroupID = xReader.ReadUInt16(); // Used by MON_SetAccessories and INSTANCE_UnhideAllDrawGroups
xTriangleList.m_uPolygonStart = (UInt32)(xReader.BaseStream.Position) + 0x10;
UInt16 xWord0 = xReader.ReadUInt16();
UInt16 xWord1 = xReader.ReadUInt16();
UInt32 xDWord0 = xReader.ReadUInt32();
UInt32 xDWord1 = xReader.ReadUInt32();
xTriangleList.m_xMaterial = new Material();
xTriangleList.m_xMaterial.visible = ((xWord1 & 0xFF00) == 0);
xTriangleList.m_xMaterial.textureID = (UInt16)(xWord0 & 0x0FFF);
xTriangleList.m_xMaterial.colour = 0xFFFFFFFF;
if (xTriangleList.m_xMaterial.textureID > 0)
{
xTriangleList.m_xMaterial.textureUsed = true;
}
else
{
xTriangleList.m_xMaterial.textureUsed = false;
//xMaterial.colour = 0x00000000;
}
xTriangleList.m_uNext = xReader.ReadUInt32();
if (xTriangleList.m_uPolygonCount == 0)
{
xTriangleList.m_uNext = 0;
}
return(xTriangleList.m_xMaterial.visible);
}
protected override void ReadPolygons(BinaryReader xReader, CDC.Objects.ExportOptions options)
{
if (_materialStart == 0)
{
return;
}
List <DefianceTriangleList> xTriangleListList = new List <DefianceTriangleList>();
UInt32 uMaterialPosition = _materialStart;
_groupCount = 0;
while (uMaterialPosition != 0)
{
xReader.BaseStream.Position = uMaterialPosition;
DefianceTriangleList xTriangleList = new DefianceTriangleList();
if (ReadTriangleList(xReader, ref xTriangleList) /* && xTriangleList.m_usGroupID == 0*/)
{
xTriangleListList.Add(xTriangleList);
_polygonCount += xTriangleList.m_uPolygonCount;
if ((UInt32)xTriangleList.m_usGroupID > _groupCount)
{
_groupCount = xTriangleList.m_usGroupID;
}
}
_materialsList.Add(xTriangleList.m_xMaterial);
uMaterialPosition = xTriangleList.m_uNext;
}
_materialCount = (UInt32)_materialsList.Count;
_groupCount++;
_trees = new Tree[_groupCount];
for (UInt32 t = 0; t < _groupCount; t++)
{
_trees[t] = new Tree();
_trees[t].mesh = new Mesh();
foreach (DefianceTriangleList xTriangleList in xTriangleListList)
{
if (t == (UInt32)xTriangleList.m_usGroupID)
{
_trees[t].mesh.polygonCount += xTriangleList.m_uPolygonCount;
}
}
_trees[t].mesh.indexCount = _trees[t].mesh.polygonCount * 3;
_trees[t].mesh.polygons = new Polygon[_trees[t].mesh.polygonCount];
_trees[t].mesh.vertices = new Vertex[_trees[t].mesh.indexCount];
}
for (UInt32 t = 0; t < _groupCount; t++)
{
UInt32 tp = 0;
foreach (DefianceTriangleList xTriangleList in xTriangleListList)
{
if (t != (UInt32)xTriangleList.m_usGroupID)
{
continue;
}
xReader.BaseStream.Position = xTriangleList.m_uPolygonStart;
for (int pl = 0; pl < xTriangleList.m_uPolygonCount; pl++)
{
_trees[t].mesh.polygons[tp].v1 = _geometry.Vertices[xReader.ReadUInt16()];
_trees[t].mesh.polygons[tp].v2 = _geometry.Vertices[xReader.ReadUInt16()];
_trees[t].mesh.polygons[tp].v3 = _geometry.Vertices[xReader.ReadUInt16()];
_trees[t].mesh.polygons[tp].material = xTriangleList.m_xMaterial;
tp++;
}
}
for (UInt16 poly = 0; poly < _trees[t].mesh.polygonCount; poly++)
{
_trees[t].mesh.vertices[(3 * poly) + 0] = _trees[t].mesh.polygons[poly].v1;
_trees[t].mesh.vertices[(3 * poly) + 1] = _trees[t].mesh.polygons[poly].v2;
_trees[t].mesh.vertices[(3 * poly) + 2] = _trees[t].mesh.polygons[poly].v3;
}
}
_polygons = new Polygon[_polygonCount];
UInt32 p = 0;
foreach (DefianceTriangleList xTriangleList in xTriangleListList)
{
xReader.BaseStream.Position = xTriangleList.m_uPolygonStart;
for (int pl = 0; pl < xTriangleList.m_uPolygonCount; pl++)
{
_polygons[p].v1 = _geometry.Vertices[xReader.ReadUInt16()];
_polygons[p].v2 = _geometry.Vertices[xReader.ReadUInt16()];
_polygons[p].v3 = _geometry.Vertices[xReader.ReadUInt16()];
_polygons[p].material = xTriangleList.m_xMaterial;
p++;
}
}
}
