Add LmParams parsing

KeepersCompound.LGS/Database/Chunks/LmParams.cs

@@ -0,0 +1,73 @@
+namespace KeepersCompound.LGS.Database.Chunks;
+
+public enum SoftnessMode
+{
+    Standard,
+    HighFourPoint,
+    HighFivePoint,
+    HighNinePoint,
+    MediumFourPoint,
+    MediumFivePoint,
+    MediumNinePoint,
+    LowFourPoint,
+}
+
+public class LmParams : IChunk
+{
+    public enum LightingMode
+    {
+        Quick,
+        Raycast,
+        Objcast,
+    }
+    
+    public enum DepthMode
+    {
+        Lm16,
+        Lm32,
+        Lm32x,
+    }
+
+    public ChunkHeader Header { get; set; }
+    public float Attenuation { get; set; }
+    public float Saturation { get; set; }
+    public LightingMode ShadowType { get; set; }
+    public SoftnessMode ShadowSoftness { get; set; }
+    public float CenterWeight { get; set; }
+    public DepthMode ShadowDepth { get; set; }
+    public bool LightmappedWater { get; set; }
+    public int LightmapScale { get; set; }
+    
+    private int _dataSize;
+    private uint _unknown;
+    
+    public void ReadData(BinaryReader reader, DbFile.TableOfContents.Entry entry)
+    {
+        _dataSize = reader.ReadInt32();
+        Attenuation = reader.ReadSingle();
+        Saturation = reader.ReadSingle();
+        ShadowType = (LightingMode)reader.ReadUInt32();
+        ShadowSoftness = (SoftnessMode)reader.ReadUInt32();
+        CenterWeight = reader.ReadSingle();
+        ShadowDepth = (DepthMode)reader.ReadUInt32();
+        LightmappedWater = reader.ReadBoolean();
+        reader.ReadBytes(3);
+        LightmapScale = reader.ReadInt32();
+        _unknown = reader.ReadUInt32();
+    }
+
+    public void WriteData(BinaryWriter writer)
+    {
+        writer.Write(_dataSize);
+        writer.Write(Attenuation);
+        writer.Write(Saturation);
+        writer.Write((uint)ShadowType);
+        writer.Write((uint)ShadowSoftness);
+        writer.Write(CenterWeight);
+        writer.Write((uint)ShadowDepth);
+        writer.Write(LightmappedWater);
+        writer.Write(new byte[3]);
+        writer.Write(LightmapScale);
+        writer.Write(_unknown);
+    }
+}

KeepersCompound.LGS/Database/File.cs

@@ -150,6 +150,7 @@ public class DbFile
             "TXLIST" => new TxList(),
             "WREXT" => new WorldRep(),
             "BRLIST" => new BrList(),
+            "LM_PARAM" => new LmParams(),
             "RENDPARAMS" => new RendParams(),
             "P$ModelName" => new PropertyChunk<PropLabel>(),
             "P$Scale" => new PropertyChunk<PropVector>(),