private void ReadLeaves(InternalBspLump lump, BinaryReader reader)
{
reader.BaseStream.Seek(lump.offset, SeekOrigin.Begin);
leaves = new InternalBspLeaf[lump.size / Marshal.SizeOf(typeof(InternalBspLeaf))];
for (int i = 0; i < leaves.Length; i++)
{
leaves[i] = new InternalBspLeaf();
leaves[i].cluster = reader.ReadInt32();
leaves[i].area = reader.ReadInt32();
leaves[i].bbox = new int[6];
for (int j = 0; j < leaves[i].bbox.Length; j++)
{
leaves[i].bbox[j] = reader.ReadInt32();
}
leaves[i].faceStart = reader.ReadInt32();
leaves[i].faceCount = reader.ReadInt32();
leaves[i].brushStart = reader.ReadInt32();
leaves[i].brushCount = reader.ReadInt32();
TransformBoundingBox(leaves[i].bbox);
}
}
private void CreateLeaves(Quake3Level q3lvl)
{
for (int i = 0; i < q3lvl.NumLeaves; ++i)
{
BspNode node = nodes[i + this.LeafStart];
InternalBspLeaf q3leaf = q3lvl.Leaves[i];
node.IsLeaf = true;
node.Owner = this;
// Set bounding box
node.BoundingBox.Minimum = new Vector3(
q3leaf.bbox[0],
q3leaf.bbox[1],
q3leaf.bbox[2]
);
node.BoundingBox.Maximum = new Vector3(
q3leaf.bbox[3],
q3leaf.bbox[4],
q3leaf.bbox[5]
);
// Set faces
node.FaceGroupStart = q3leaf.faceStart;
node.NumFaceGroups = q3leaf.faceCount;
node.VisCluster = q3leaf.cluster;
// Load Brushes for this leaf
int realBrushIdx = 0, solidIdx = 0;
int brushCount = q3leaf.brushCount;
int brushIdx = q3leaf.brushStart;
node.SolidBrushes = new BspBrush[brushCount];
while (brushCount-- > 0)
{
realBrushIdx = q3lvl.LeafBrushes[brushIdx];
InternalBspBrush q3brush = q3lvl.Brushes[realBrushIdx];
// Only load solid ones, we don't care about any other types
// Shader determines this.
InternalBspShader brushShader = q3lvl.Shaders[q3brush.shaderIndex];
if ((brushShader.contentFlags & ContentFlags.Solid) == ContentFlags.Solid)
{
node.SolidBrushes[solidIdx] = brushes[realBrushIdx];
}
brushIdx++;
solidIdx++;
}
}
}
private void ReadLeaves( InternalBspLump lump, BinaryReader reader )
{
reader.BaseStream.Seek( lump.offset, SeekOrigin.Begin );
for ( int i = 0; i < leaves.Length; i++ )
{
leaves[ i ] = new InternalBspLeaf();
leaves[ i ].cluster = reader.ReadInt32();
leaves[ i ].area = reader.ReadInt32();
leaves[ i ].bbox = new int[ 6 ];
for ( int j = 0; j < leaves[ i ].bbox.Length; j++ )
leaves[ i ].bbox[ j ] = reader.ReadInt32();
leaves[ i ].faceStart = reader.ReadInt32();
leaves[ i ].faceCount = reader.ReadInt32();
leaves[ i ].brushStart = reader.ReadInt32();
leaves[ i ].brushCount = reader.ReadInt32();
TransformBoundingBox( leaves[ i ].bbox );
}
}