Pull up material disposal to MeshBase.

Assets/Cryville/Crtr/Components/MeshBase.cs

@@ -1,4 +1,5 @@
 using System;
+using UnityEngine;
 
 namespace Cryville.Crtr.Components {
 	public abstract class MeshBase : SkinComponent {
@@ -7,6 +8,7 @@ namespace Cryville.Crtr.Components {
 		}
 
 		protected MeshWrapper mesh = new MeshWrapper();
+		protected Material[] materials;
 
 		short _zindex;
 		public short ZIndex {
@@ -22,9 +24,16 @@ namespace Cryville.Crtr.Components {
 		}
 		protected void UpdateZIndex() {
 			if (!mesh.Initialized) return;
-			foreach (var mat in mesh.Renderer.materials) {
+			foreach (var mat in materials) {
 				mat.renderQueue = _zindex;
 			}
 		}
+		protected override void OnDestroy() {
+			if (materials != null)
+				foreach (var mat in materials) {
+					Material.Destroy(mat);
+				}
+			mesh.Destroy();
+		}
 	}
 }

Assets/Cryville/Crtr/Components/SectionalGameObject.cs

@@ -22,10 +22,6 @@ namespace Cryville.Crtr.Components {
 			SubmitProperty("part", new PropOp.Enum<Part>(v => part = v, v => (Part)v), 1);
 		}
 
-		protected override void OnDestroy() {
-			mesh.Destroy();
-		}
-
 		public override void Init() {
 			Reset();
 		}
@@ -103,7 +99,6 @@ namespace Cryville.Crtr.Components {
 		public SpriteInfo body = new SpriteInfo();
 		public SpriteInfo tail = new SpriteInfo();
 
-		Material[] mats;
 		List<Vector3> vertices;
 		List<float> lengths;
 		float sumLength = 0;
@@ -112,23 +107,25 @@ namespace Cryville.Crtr.Components {
 			base.Init();
 			mesh.Init(transform);
 
-			mats = mesh.Renderer.materials = new Material[] { mesh.NewMaterial, mesh.NewMaterial, mesh.NewMaterial };
-			head.Bind(mats[0]);
-			body.Bind(mats[1]);
-			tail.Bind(mats[2]);
+			mesh.Renderer.materials = materials = new Material[] {
+				MeshWrapper.NewMaterial(),
+				MeshWrapper.NewMaterial(),
+				MeshWrapper.NewMaterial(),
+			};
+			head.Bind(materials[0]);
+			body.Bind(materials[1]);
+			tail.Bind(materials[2]);
 
 			UpdateZIndex();
 		}
 
 		protected override void OnDestroy() {
-			base.OnDestroy();
-			Reset();
-			foreach (var m in mats) Material.Destroy(m);
 			if (_shape != null) _shapePool.Return(_shape);
 			if (vertices != null) {
 				_ptPool.Return(vertices);
 				_lPool.Return(lengths);
 			}
+			base.OnDestroy();
 		}
 
 		protected override void AppendPointInternal(Vector3 p, Quaternion r) {

Assets/Cryville/Crtr/Components/SpriteBase.cs

@@ -25,10 +25,6 @@ namespace Cryville.Crtr.Components {
 		}
 #pragma warning restore IDE1006
 
-		protected override void OnDestroy() {
-			mesh.Destroy();
-		}
-
 		Vector2 _scale = Vector2.one;
 		public Vector2 Scale {
 			get { return _scale; }
@@ -92,6 +88,7 @@ namespace Cryville.Crtr.Components {
 
 		protected void InternalInit(string meshName = "quad") {
 			mesh.Init(transform);
+			mesh.Renderer.materials = materials = new Material[] { MeshWrapper.NewMaterial() };
 			mesh.Mesh = GenericResources.Meshes[meshName];
 			UpdateScale();
 			UpdateZIndex();

Assets/Cryville/Crtr/Components/SpriteText.cs

@@ -86,6 +86,7 @@ namespace Cryville.Crtr.Components {
 					var m = new MeshWrapper();
 					m.Init(mesh.MeshTransform);
 					m.Mesh = new Mesh();
+					m.Renderer.material = MeshWrapper.NewMaterial(); // TODO Destroy or add to `materials`
 					m.Renderer.material.mainTexture = tex;
 					meshes.Add(tex, m);
 					verts.Add(tex, new List<Vector3>());