Fix mesh memory leaks

Author: liamlutton

Runtime/Code/Misc/TubeRendererCS.cs

@@ -34,6 +34,7 @@ void Awake() {
 			}
 
 			_mesh = new Mesh();
+			_mesh.name = "Tube Mesh";
 			_meshFilter.mesh = _mesh;
 		}
 
@@ -78,7 +79,6 @@ public void SetPositions(Vector3[] positions) {
 
 		private void GenerateMesh() {
 			if (_mesh == null || _positions == null || _positions.Length <= 1) {
-				_mesh = new Mesh();
 				return;
 			}
 
@@ -117,6 +117,10 @@ private void GenerateMesh() {
 			_meshFilter.mesh = _mesh;
 		}
 
+		private void OnDestroy() {
+			Destroy(_mesh);
+		}
+
 		private Vector2[] GenerateUVs() {
 			var uvs = new Vector2[_positions.Length * _sides];
 

Runtime/Code/VoxelWorld/VoxelMeshProcessor.cs

@@ -1544,7 +1544,8 @@ public static GameObject ProduceSingleBlock(int blockIndex, VoxelWorld world, fl
             meshRenderer.sharedMaterial = world.voxelBlocks.atlasMaterial;
 
             Mesh theMesh = new Mesh();
-
+            theMesh.name = "SingleBlock";
+            
             //Center around 0,0,0
             Vector3 origin = new Vector3(-0.5f, -0.5f, -0.5f);
             int flip = 0;

Runtime/Code/VoxelWorld/VoxelWorldChunk.cs

@@ -438,6 +438,13 @@ public void Clear() {
                         detailGameObjects[i] = null;
                     }
                 }
+
+                if (detailMeshes != null) {
+                    foreach (var detailMesh in detailMeshes) {
+                        Object.Destroy(detailMesh);
+                    }
+                }
+
                 obj = null;
             }
         }
@@ -550,8 +557,11 @@ private bool DoVisualUpdate(VoxelWorld world) {
                         obj.transform.localPosition = Vector3.zero;
                         obj.hideFlags = HideFlags.DontSaveInEditor | HideFlags.DontSaveInBuild;
                         obj.name = "Chunk";
-                        
-                        if (mesh == null) mesh = new Mesh();
+
+                        if (mesh == null) {
+                            mesh = new Mesh();
+                            mesh.name = "VoxelWorldChunk";
+                        }
                         // mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32; //Big boys
 
                         filter = obj.AddComponent<MeshFilter>();
@@ -597,6 +607,7 @@ private bool DoVisualUpdate(VoxelWorld world) {
                                 detailRenderers[i].shadowCastingMode = ShadowCastingMode.Off;
 
                                 detailMeshes[i] = new Mesh();
+                                detailMeshes[i].name = detailGameObjects[i].name;
                                 // detailMeshes[i].indexFormat = UnityEngine.Rendering.IndexFormat.UInt32; //Big boys
 
                                 detailFilters[i].mesh = detailMeshes[i];