Add Links, ModelName props, and MetaProp LD loading

project/code/LGS/Database/Chunks/Link.cs

@@ -0,0 +1,105 @@
+
+using System.Collections.Generic;
+using System.IO;
+
+namespace KeepersCompound.LGS.Database.Chunks;
+
+public record LinkId
+{
+    private readonly uint _data;
+
+    public LinkId(uint data)
+    {
+        _data = data;
+    }
+
+    public uint GetId()
+    {
+        return _data & 0xFFFF;
+    }
+
+    public bool IsConcrete()
+    {
+        return (_data & 0xF0000) != 0;
+    }
+
+    public uint GetRelation()
+    {
+        return (_data >> 20) & 0xFFF;
+    }
+
+    public uint GetRaw()
+    {
+        return _data;
+    }
+}
+
+public class LinkChunk : IChunk
+{
+    public record Link
+    {
+        public LinkId linkId;
+        public int source;
+        public int destination;
+        public ushort relation;
+
+        public Link(BinaryReader reader)
+        {
+            linkId = new LinkId(reader.ReadUInt32());
+            source = reader.ReadInt32();
+            destination = reader.ReadInt32();
+            relation = reader.ReadUInt16();
+        }
+    }
+
+    public ChunkHeader Header { get; set; }
+    public List<Link> links;
+
+    public void ReadData(BinaryReader reader, DbFile.TableOfContents.Entry entry)
+    {
+        links = new List<Link>();
+        while (reader.BaseStream.Position < entry.Offset + entry.Size + 24)
+        {
+            links.Add(new Link(reader));
+        }
+    }
+
+    public void WriteData(BinaryWriter writer)
+    {
+        throw new System.NotImplementedException();
+    }
+}
+
+public class LinkDataMetaProp : IChunk
+{
+    public record LinkData
+    {
+        public LinkId linkId;
+        public int priority;
+
+        public LinkData(BinaryReader reader)
+        {
+            linkId = new LinkId(reader.ReadUInt32());
+            priority = reader.ReadInt32();
+        }
+    }
+
+    public ChunkHeader Header { get; set; }
+    public int DataSize;
+    public List<LinkData> linkData;
+
+    public void ReadData(BinaryReader reader, DbFile.TableOfContents.Entry entry)
+    {
+        DataSize = reader.ReadInt32();
+        linkData = new List<LinkData>();
+        while (reader.BaseStream.Position < entry.Offset + entry.Size + 24)
+        {
+            linkData.Add(new LinkData(reader));
+        }
+    }
+
+    public void WriteData(BinaryWriter writer)
+    {
+        throw new System.NotImplementedException();
+    }
+}

project/code/LGS/Database/Chunks/Property.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace KeepersCompound.LGS.Database.Chunks;
+
+public class PropertyModelName : IChunk
+{
+    public record Property
+    {
+        public int objectId;
+        public int length;
+        public string modelName;
+
+        public Property(BinaryReader reader)
+        {
+            objectId = reader.ReadInt32();
+            length = (int)reader.ReadUInt32();
+            var tmpName = Encoding.UTF8.GetString(reader.ReadBytes(length)).Replace("\0", string.Empty);
+            modelName = tmpName[..Math.Min(length - 1, tmpName.Length)];
+        }
+    }
+
+    public ChunkHeader Header { get; set; }
+    public List<Property> properties;
+
+    public void ReadData(BinaryReader reader, DbFile.TableOfContents.Entry entry)
+    {
+        properties = new List<Property>();
+        while (reader.BaseStream.Position < entry.Offset + entry.Size + 24)
+        {
+            properties.Add(new Property(reader));
+        }
+    }
+
+    public void WriteData(BinaryWriter writer)
+    {
+        throw new System.NotImplementedException();
+    }
+}

project/code/LGS/Database/File.cs

@@ -101,6 +101,9 @@ public class DbFile
             "TXLIST" => new TxList(),
             "WREXT" => new WorldRep(),
             "BRLIST" => new BrList(),
+            "P$ModelName" => new PropertyModelName(),
+            "LD$MetaProp" => new LinkDataMetaProp(),
+            _ when entryName.StartsWith("L$") => new LinkChunk(),
             _ => new GenericChunk(),
         };
     }