Add BSP tree and LightTable parsing
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38B57B16E7C0ADF7
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@ -1,5 +1,3 @@
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using System;
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using System.IO;
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using System.Numerics;
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namespace KeepersCompound.LGS.Database.Chunks;
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@ -419,9 +417,179 @@ public class WorldRep : IChunk
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}
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}
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public struct BspTree
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{
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public struct Node
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{
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int parentIndex; // TODO: Split the flags out of this
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int cellId;
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int planeId;
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uint insideIndex;
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uint outsideIndex;
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public Node(BinaryReader reader)
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{
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parentIndex = reader.ReadInt32();
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cellId = reader.ReadInt32();
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planeId = reader.ReadInt32();
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insideIndex = reader.ReadUInt32();
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outsideIndex = reader.ReadUInt32();
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}
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public readonly void Write(BinaryWriter writer)
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{
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writer.Write(parentIndex);
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writer.Write(cellId);
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writer.Write(planeId);
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writer.Write(insideIndex);
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writer.Write(outsideIndex);
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}
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}
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public uint PlaneCount;
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public uint NodeCount;
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public Plane[] Planes;
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public Node[] Nodes;
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public BspTree(BinaryReader reader)
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{
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PlaneCount = reader.ReadUInt32();
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Planes = new Plane[PlaneCount];
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for (var i = 0; i < PlaneCount; i++)
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{
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Planes[i] = new Plane(reader.ReadVec3(), reader.ReadSingle());
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}
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NodeCount = reader.ReadUInt32();
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Nodes = new Node[NodeCount];
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for (var i = 0; i < NodeCount; i++)
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{
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Nodes[i] = new Node(reader);
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}
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}
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public readonly void Write(BinaryWriter writer)
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{
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writer.Write(PlaneCount);
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foreach (var plane in Planes)
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{
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writer.WriteVec3(plane.Normal);
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writer.Write(plane.D);
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}
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writer.Write(NodeCount);
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foreach (var node in Nodes)
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{
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node.Write(writer);
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}
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}
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}
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public struct LightTable
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{
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public struct LightData
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{
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public Vector3 Location;
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public Vector3 Direction;
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public Vector3 Color;
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float InnerAngle; // I'm pretty sure these are the spotlight angles
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float OuterAngle;
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float Radius;
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public LightData(BinaryReader reader)
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{
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Location = reader.ReadVec3();
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Direction = reader.ReadVec3();
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Color = reader.ReadVec3();
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InnerAngle = reader.ReadSingle();
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OuterAngle = reader.ReadSingle();
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Radius = reader.ReadSingle();
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}
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public readonly void Write(BinaryWriter writer)
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{
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writer.WriteVec3(Location);
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writer.WriteVec3(Direction);
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writer.WriteVec3(Color);
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writer.Write(InnerAngle);
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writer.Write(OuterAngle);
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writer.Write(Radius);
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}
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}
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public struct AnimCellMap
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{
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public ushort CellIndex;
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public ushort LightIndex;
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public AnimCellMap(BinaryReader reader)
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{
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CellIndex = reader.ReadUInt16();
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LightIndex = reader.ReadUInt16();
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}
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public readonly void Write(BinaryWriter writer)
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{
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writer.Write(CellIndex);
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writer.Write(LightIndex);
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}
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}
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public int LightCount;
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public int DynamicLightCount;
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public int AnimMapCount;
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public LightData[] Lights;
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public LightData[] ScratchpadLights;
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public AnimCellMap[] AnimCellMaps;
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// TODO: Support olddark
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public LightTable(BinaryReader reader)
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{
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LightCount = reader.ReadInt32();
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DynamicLightCount = reader.ReadInt32();
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Lights = new LightData[LightCount + DynamicLightCount];
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for (var i = 0; i < Lights.Length; i++)
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{
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Lights[i] = new LightData(reader);
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}
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ScratchpadLights = new LightData[32];
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for (var i = 0; i < ScratchpadLights.Length; i++)
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{
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ScratchpadLights[i] = new LightData(reader);
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}
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AnimMapCount = reader.ReadInt32();
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AnimCellMaps = new AnimCellMap[AnimMapCount];
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for (var i = 0; i < AnimCellMaps.Length; i++)
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{
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AnimCellMaps[i] = new AnimCellMap(reader);
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}
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}
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public readonly void Write(BinaryWriter writer)
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{
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writer.Write(LightCount);
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writer.Write(DynamicLightCount);
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foreach (var light in Lights)
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{
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light.Write(writer);
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}
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foreach (var light in ScratchpadLights)
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{
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light.Write(writer);
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}
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writer.Write(AnimMapCount);
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foreach (var map in AnimCellMaps)
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{
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map.Write(writer);
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}
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}
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}
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public ChunkHeader Header { get; set; }
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public WrHeader DataHeader { get; set; }
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public Cell[] Cells { get; set; }
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public BspTree Bsp { get; set; }
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public LightTable LightingTable { get; set; }
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private byte[] _unknown;
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private byte[] _unreadData;
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public void ReadData(BinaryReader reader, DbFile.TableOfContents.Entry entry)
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@ -435,6 +603,12 @@ public class WorldRep : IChunk
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Cells[i] = new Cell(reader, bpp);
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}
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Bsp = new BspTree(reader);
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// TODO: Work out what this is
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_unknown = reader.ReadBytes(Cells.Length);
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LightingTable = new LightTable(reader);
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// TODO: All the other info lol
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var length = entry.Offset + entry.Size + 24 - reader.BaseStream.Position;
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_unreadData = reader.ReadBytes((int)length);
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@ -447,6 +621,9 @@ public class WorldRep : IChunk
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{
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cell.Write(writer);
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}
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Bsp.Write(writer);
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writer.Write(_unknown);
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LightingTable.Write(writer);
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writer.Write(_unreadData);
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}
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}
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