Super scuffed initial object model detection

project/code/TMV/Mission.cs

@@ -94,7 +94,15 @@ public partial class Mission : Node3D
 		_file = new(FileName);
 		UseChunk<TxList>("TXLIST", LoadTextures);
 		UseChunk<WorldRep>("WREXT", BuildWrMeshes);
-		UseChunk<BrList>("BRLIST", PlaceObjects);
+		if (
+			_file.Chunks.TryGetValue("BRLIST", out var brList) &&
+			_file.Chunks.TryGetValue("P$ModelName", out var modelNames) &&
+			_file.Chunks.TryGetValue("L$MetaProp", out var metaPropLinks) &&
+			_file.Chunks.TryGetValue("LD$MetaProp", out var metaPropLinkData)
+		)
+		{
+			PlaceObjects((BrList)brList, (PropertyModelName)modelNames, (LinkChunk)metaPropLinks, (LinkDataMetaProp)metaPropLinkData);
+		}
 	}
 
 	private void UseChunk<T>(string name, Action<T> action)
@@ -109,7 +117,11 @@ public partial class Mission : Node3D
 		}
 	}
 
-	private void PlaceObjects(BrList brList)
+	private void PlaceObjects(
+		BrList brList,
+		PropertyModelName modelNames,
+		LinkChunk metapropLink,
+		LinkDataMetaProp metaPropLinkData)
 	{
 		foreach (var brush in brList.Brushes)
 		{
@@ -118,6 +130,48 @@ public partial class Mission : Node3D
 				continue;
 			}
 
+			// TODO: Build an actual hierarchy and such :)
+			// TODO: We need to load the gamesys :)
+			// Determine if we have a model name :))
+			var id = (int)brush.brushInfo;
+			var modelName = "";
+			while (true)
+			{
+				// See if there's a modelname property
+				foreach (var prop in modelNames.properties)
+				{
+					if (prop.objectId == id)
+					{
+						modelName = prop.modelName;
+						break;
+					}
+				}
+				if (modelName != "") break;
+
+				// No modelname so check for a parent
+				var length = metapropLink.links.Count;
+				var prevId = id;
+				for (var i = 0; i < length; i++)
+				{
+					var link = metapropLink.links[i];
+					var linkData = metaPropLinkData.linkData[i];
+					if (link.source == id && linkData.priority == 0)
+					{
+						id = link.destination;
+						break;
+					}
+				}
+				// No parent found
+				if (id == prevId)
+				{
+					break;
+				}
+			}
+			if (modelName == "")
+			{
+				continue;
+			}
+
 			var pos = brush.position.ToGodotVec3();
 			var cube = new CsgBox3D
 			{