1 files changed, 124 insertions, 0 deletions
diff --git a/Thronefall_1_0/Thronefall/NGS.MeshFusionPro/CombinedMeshDataInternal.cs b/Thronefall_1_0/Thronefall/NGS.MeshFusionPro/CombinedMeshDataInternal.cs
new file mode 100644
index 0000000..c055f95
--- /dev/null
+++ b/Thronefall_1_0/Thronefall/NGS.MeshFusionPro/CombinedMeshDataInternal.cs
@@ -0,0 +1,124 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace NGS.MeshFusionPro;
+
+public class CombinedMeshDataInternal : CombinedMeshData, IDisposable
+{
+	private CombinedMesh _root;
+
+	private List<CombinedMeshPartInternal> _parts;
+
+	private int _vertexCount;
+
+	private int _trianglesCount;
+
+	private List<Bounds> _partsBounds;
+
+	private Bounds _boundingBox;
+
+	public override int PartsCount => _parts.Count;
+
+	public override int VertexCount => _vertexCount;
+
+	protected CombinedMesh Root => _root;
+
+	public void Initialize(CombinedMesh root)
+	{
+		_root = root;
+		_parts = new List<CombinedMeshPartInternal>();
+		OnInitialized();
+	}
+
+	public override Bounds GetBounds()
+	{
+		return _boundingBox;
+	}
+
+	public override Bounds GetBounds(CombinedMeshPart part)
+	{
+		return _partsBounds[part.Index];
+	}
+
+	public override IEnumerable<CombinedMeshPart> GetParts()
+	{
+		for (int i = 0; i < _parts.Count; i++)
+		{
+			yield return _parts[i];
+		}
+	}
+
+	public void Dispose()
+	{
+		OnDispose();
+	}
+
+	public CombinedMeshPart[] CreateParts(IList<MeshCombineInfo> infos)
+	{
+		CombinedMeshPart[] array = new CombinedMeshPart[infos.Count];
+		for (int i = 0; i < array.Length; i++)
+		{
+			MeshCombineInfo meshCombineInfo = infos[i];
+			Mesh mesh = meshCombineInfo.mesh;
+			Matrix4x4 transformMatrix = meshCombineInfo.transformMatrix;
+			int vertexCount = _vertexCount;
+			int vertexCount2 = meshCombineInfo.vertexCount;
+			int trianglesCount = _trianglesCount;
+			int trianglesCount2 = meshCombineInfo.trianglesCount;
+			CombinedMeshPartInternal combinedMeshPartInternal = new CombinedMeshPartInternal(_root, _parts.Count, vertexCount, vertexCount2, trianglesCount, trianglesCount2);
+			_parts.Add(combinedMeshPartInternal);
+			array[i] = combinedMeshPartInternal;
+			_vertexCount += vertexCount2;
+			_trianglesCount += trianglesCount2;
+			OnAddPart(combinedMeshPartInternal, mesh, transformMatrix);
+		}
+		OnMeshUpdated();
+		return array;
+	}
+
+	public void RemoveParts(IList<CombinedMeshPart> parts)
+	{
+		for (int i = 0; i < parts.Count; i++)
+		{
+			CombinedMeshPartInternal combinedMeshPartInternal = (CombinedMeshPartInternal)parts[i];
+			OnRemovePart(combinedMeshPartInternal);
+			int num = _parts.IndexOf(combinedMeshPartInternal);
+			int vertexCount = combinedMeshPartInternal.VertexCount;
+			int trianglesCount = combinedMeshPartInternal.TrianglesCount;
+			for (int j = num + 1; j < _parts.Count; j++)
+			{
+				CombinedMeshPartInternal combinedMeshPartInternal2 = _parts[j];
+				combinedMeshPartInternal2.Offset(newVertexStart: combinedMeshPartInternal2.VertexStart - vertexCount, newTrianglesStart: combinedMeshPartInternal2.TrianglesStart - trianglesCount, newIndex: combinedMeshPartInternal2.Index - 1);
+			}
+			_parts.Remove(combinedMeshPartInternal);
+			_vertexCount -= combinedMeshPartInternal.VertexCount;
+			_trianglesCount -= combinedMeshPartInternal.TrianglesCount;
+		}
+		OnMeshUpdated();
+	}
+
+	protected virtual void OnInitialized()
+	{
+		_partsBounds = new List<Bounds>();
+	}
+
+	protected virtual void OnAddPart(CombinedMeshPart part, Mesh mesh, Matrix4x4 transform)
+	{
+		_partsBounds.Add(mesh.bounds.Transform(transform));
+	}
+
+	protected virtual void OnRemovePart(CombinedMeshPart part)
+	{
+		_partsBounds.RemoveAt(part.Index);
+	}
+
+	protected virtual void OnMeshUpdated()
+	{
+		_boundingBox = _root.Mesh.bounds;
+	}
+
+	protected virtual void OnDispose()
+	{
+	}
+}