public static BSPNode ReadNode(BinaryReader reader, BSPType treeType)
{
// We peek forward to get the type, then revert our position.
var type = Encoding.ASCII.GetString(reader.ReadBytes(4)).Reverse();
reader.BaseStream.Position -= 4;
BSPNode node;
switch (type)
{
case "PORT":
node = new BSPPortal();
break;
case "LEAF":
node = new BSPLeaf();
break;
case "BPnn":
case "BPIn":
case "BpIN":
case "BpnN":
case "BPIN":
case "BPnN":
default:
node = new BSPNode();
break;
}
node.Unpack(reader, treeType);
return(node);
}
public static BSPNode ReadNode(BinaryReader reader, BSPType treeType)
{
// We peek forward to get the type, then revert our position.
var type = reader.ReadUInt32();
reader.BaseStream.Position -= 4;
BSPNode node;
switch (type)
{
case PORT:
node = new BSPPortal();
break;
case LEAF:
node = new BSPLeaf();
break;
case BPnn:
case BPIn:
case BpIN:
case BpnN:
case BPIN:
case BPnN:
default:
node = new BSPNode();
break;
}
node.Unpack(reader, treeType);
return(node);
}
} = new List <ushort>(); // List of PolygonIds
public static BSPNode Read(DatReader datReader, BSPType treeType)
{
BSPNode obj = new BSPNode();
obj.Type = datReader.ReadUInt32();
switch (obj.Type)
{
case PORT:
return(BSPPortal.ReadPortal(datReader, treeType));
case LEAF:
return(BSPLeaf.ReadLeaf(datReader, treeType));
}
obj.SplittingPlane = Plane.Read(datReader);
switch (obj.Type)
{
case BPnn:
case BPIn:
obj.PosNode = BSPNode.Read(datReader, treeType);
break;
case BpIN:
case BpnN:
obj.NegNode = BSPNode.Read(datReader, treeType);
break;
case BPIN:
case BPnN:
obj.PosNode = BSPNode.Read(datReader, treeType);
obj.NegNode = BSPNode.Read(datReader, treeType);
break;
}
if (treeType == BSPType.Cell)
{
return(obj);
}
obj.Sphere = CSphere.Read(datReader);
if (treeType == BSPType.Physics)
{
return(obj);
}
uint numPolys = datReader.ReadUInt32();
for (uint i = 0; i < numPolys; i++)
{
obj.InPolys.Add(datReader.ReadUInt16());
}
return(obj);
}
public static BSPLeaf ReadLeaf(DatReader datReader, BSPType treeType)
{
BSPLeaf obj = new BSPLeaf();
obj.Type = 0x4C454146; // LEAF
obj.LeafIndex = datReader.ReadInt32();
if (treeType == BSPType.Physics)
{
obj.Solid = datReader.ReadInt32();
// Note that if Solid is equal to 0, these values will basically be null. Still read them, but they don't mean anything.
obj.Sphere = CSphere.Read(datReader);
uint numPolys = datReader.ReadUInt32();
for (uint i = 0; i < numPolys; i++)
{
obj.InPolys.Add(datReader.ReadUInt16());
}
}
return(obj);
}
