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Add BSP tree and LightTable parsing

This commit is contained in:
Jarrod Doyle 2024-09-27 16:20:19 +01:00
parent d7fcf7a2d8
commit bcc60eff52
Signed by: Jayrude
GPG Key ID: 38B57B16E7C0ADF7
1 changed files with 179 additions and 2 deletions
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181
KeepersCompound.LGS/Database/Chunks/WorldRep.cs
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@ -1,5 +1,3 @@
using System;
using System.IO;
using System.Numerics; using System.Numerics;
namespace KeepersCompound.LGS.Database.Chunks; namespace KeepersCompound.LGS.Database.Chunks;
@ -419,9 +417,179 @@ public class WorldRep : IChunk
} }
} }
public struct BspTree
{
public struct Node
{
int parentIndex; // TODO: Split the flags out of this
int cellId;
int planeId;
uint insideIndex;
uint outsideIndex;
public Node(BinaryReader reader)
{
parentIndex = reader.ReadInt32();
cellId = reader.ReadInt32();
planeId = reader.ReadInt32();
insideIndex = reader.ReadUInt32();
outsideIndex = reader.ReadUInt32();
}
public readonly void Write(BinaryWriter writer)
{
writer.Write(parentIndex);
writer.Write(cellId);
writer.Write(planeId);
writer.Write(insideIndex);
writer.Write(outsideIndex);
}
}
public uint PlaneCount;
public uint NodeCount;
public Plane[] Planes;
public Node[] Nodes;
public BspTree(BinaryReader reader)
{
PlaneCount = reader.ReadUInt32();
Planes = new Plane[PlaneCount];
for (var i = 0; i < PlaneCount; i++)
{
Planes[i] = new Plane(reader.ReadVec3(), reader.ReadSingle());
}
NodeCount = reader.ReadUInt32();
Nodes = new Node[NodeCount];
for (var i = 0; i < NodeCount; i++)
{
Nodes[i] = new Node(reader);
}
}
public readonly void Write(BinaryWriter writer)
{
writer.Write(PlaneCount);
foreach (var plane in Planes)
{
writer.WriteVec3(plane.Normal);
writer.Write(plane.D);
}
writer.Write(NodeCount);
foreach (var node in Nodes)
{
node.Write(writer);
}
}
}
public struct LightTable
{
public struct LightData
{
public Vector3 Location;
public Vector3 Direction;
public Vector3 Color;
float InnerAngle; // I'm pretty sure these are the spotlight angles
float OuterAngle;
float Radius;
public LightData(BinaryReader reader)
{
Location = reader.ReadVec3();
Direction = reader.ReadVec3();
Color = reader.ReadVec3();
InnerAngle = reader.ReadSingle();
OuterAngle = reader.ReadSingle();
Radius = reader.ReadSingle();
}
public readonly void Write(BinaryWriter writer)
{
writer.WriteVec3(Location);
writer.WriteVec3(Direction);
writer.WriteVec3(Color);
writer.Write(InnerAngle);
writer.Write(OuterAngle);
writer.Write(Radius);
}
}
public struct AnimCellMap
{
public ushort CellIndex;
public ushort LightIndex;
public AnimCellMap(BinaryReader reader)
{
CellIndex = reader.ReadUInt16();
LightIndex = reader.ReadUInt16();
}
public readonly void Write(BinaryWriter writer)
{
writer.Write(CellIndex);
writer.Write(LightIndex);
}
}
public int LightCount;
public int DynamicLightCount;
public int AnimMapCount;
public LightData[] Lights;
public LightData[] ScratchpadLights;
public AnimCellMap[] AnimCellMaps;
// TODO: Support olddark
public LightTable(BinaryReader reader)
{
LightCount = reader.ReadInt32();
DynamicLightCount = reader.ReadInt32();
Lights = new LightData[LightCount + DynamicLightCount];
for (var i = 0; i < Lights.Length; i++)
{
Lights[i] = new LightData(reader);
}
ScratchpadLights = new LightData[32];
for (var i = 0; i < ScratchpadLights.Length; i++)
{
ScratchpadLights[i] = new LightData(reader);
}
AnimMapCount = reader.ReadInt32();
AnimCellMaps = new AnimCellMap[AnimMapCount];
for (var i = 0; i < AnimCellMaps.Length; i++)
{
AnimCellMaps[i] = new AnimCellMap(reader);
}
}
public readonly void Write(BinaryWriter writer)
{
writer.Write(LightCount);
writer.Write(DynamicLightCount);
foreach (var light in Lights)
{
light.Write(writer);
}
foreach (var light in ScratchpadLights)
{
light.Write(writer);
}
writer.Write(AnimMapCount);
foreach (var map in AnimCellMaps)
{
map.Write(writer);
}
}
}
public ChunkHeader Header { get; set; } public ChunkHeader Header { get; set; }
public WrHeader DataHeader { get; set; } public WrHeader DataHeader { get; set; }
public Cell[] Cells { get; set; } public Cell[] Cells { get; set; }
public BspTree Bsp { get; set; }
public LightTable LightingTable { get; set; }
private byte[] _unknown;
private byte[] _unreadData; private byte[] _unreadData;
public void ReadData(BinaryReader reader, DbFile.TableOfContents.Entry entry) public void ReadData(BinaryReader reader, DbFile.TableOfContents.Entry entry)
@ -435,6 +603,12 @@ public class WorldRep : IChunk
Cells[i] = new Cell(reader, bpp); Cells[i] = new Cell(reader, bpp);
} }
Bsp = new BspTree(reader);
// TODO: Work out what this is
_unknown = reader.ReadBytes(Cells.Length);
LightingTable = new LightTable(reader);
// TODO: All the other info lol // TODO: All the other info lol
var length = entry.Offset + entry.Size + 24 - reader.BaseStream.Position; var length = entry.Offset + entry.Size + 24 - reader.BaseStream.Position;
_unreadData = reader.ReadBytes((int)length); _unreadData = reader.ReadBytes((int)length);
@ -447,6 +621,9 @@ public class WorldRep : IChunk
{ {
cell.Write(writer); cell.Write(writer);
} }
Bsp.Write(writer);
writer.Write(_unknown);
LightingTable.Write(writer);
writer.Write(_unreadData); writer.Write(_unreadData);
} }
} }