Fix z-index. Pull up z-index to MeshBase.

Assets/Cryville/Crtr/Components/MeshBase.cs

@@ -0,0 +1,28 @@
+using System;
+
+namespace Cryville.Crtr.Components {
+	public abstract class MeshBase : SkinComponent {
+		public MeshBase() {
+			SubmitProperty("zindex", new PropOp.Integer(v => ZIndex = (short)v));
+		}
+
+		protected MeshWrapper mesh = new MeshWrapper();
+
+		short _zindex;
+		public short ZIndex {
+			get {
+				return _zindex;
+			}
+			set {
+				if (value < 0 || value > 5000)
+					throw new ArgumentOutOfRangeException("value", "Z-index must be in [0..5000]");
+				_zindex = value;
+				UpdateZIndex();
+			}
+		}
+		protected void UpdateZIndex() {
+			if (!mesh.Initialized) return;
+			mesh.Renderer.material.renderQueue = _zindex;
+		}
+	}
+}

Assets/Cryville/Crtr/Components/MeshBase.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 75daba44e5811b943a08e6f137cc2b0c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Components/SectionalGameObject.cs

@@ -5,11 +5,10 @@ using System.Collections.Generic;
 using UnityEngine;
 
 namespace Cryville.Crtr.Components {
-	public abstract class SectionalGameObject : SkinComponent {
+	public abstract class SectionalGameObject : MeshBase {
 		protected Vector3? prevpt;
 		protected Quaternion? prevrot;
 		protected int vertCount = 0;
-		protected MeshWrapper mesh = new MeshWrapper();
 
 		protected override void OnDestroy() {
 			mesh.Destroy();

Assets/Cryville/Crtr/Components/SpriteBase.cs

@@ -2,14 +2,13 @@
 using UnityEngine;
 
 namespace Cryville.Crtr.Components {
-	public abstract class SpriteBase : SkinComponent {
+	public abstract class SpriteBase : MeshBase {
 		public SpriteBase() {
 			SubmitProperty("bound", new op_set_bound(this));
 			SubmitProperty("transparent", new PropOp.Boolean(v => transparent = v));
 			SubmitProperty("pivot", new PropOp.Vector2(v => Pivot = v));
 			SubmitProperty("scale", new PropOp.Vector2(v => Scale = v));
 			SubmitProperty("ui", new PropOp.Boolean(v => UI = v));
-			SubmitProperty("zindex", new PropOp.Integer(v => ZIndex = (short)v));
 		}
 
 #pragma warning disable IDE1006
@@ -27,8 +26,6 @@ namespace Cryville.Crtr.Components {
 		}
 #pragma warning restore IDE1006
 
-		protected MeshWrapper mesh = new MeshWrapper();
-
 		protected override void OnDestroy() {
 			mesh.Destroy();
 		}
@@ -82,21 +79,6 @@ namespace Cryville.Crtr.Components {
 			if (da.x != 0) _scale.x = dp.x / da.x;
 			if (da.y != 0) _scale.y = dp.z / da.y;
 		}
-		
-		short _zindex;
-		public short ZIndex {
-			get {
-				return _zindex;
-			}
-			set {
-				_zindex = value;
-				UpdateZIndex();
-			}
-		}
-		protected void UpdateZIndex() {
-			if (!mesh.Initialized) return;
-			mesh.Renderer.sortingOrder = _zindex;
-		}
 
 		static readonly Quaternion uirot
 			= Quaternion.Euler(new Vector3(-90, 0, 0));

Assets/Cryville/Crtr/GenericResources.cs

@@ -19,6 +19,7 @@ namespace Cryville.Crtr {
 		public static void LoadDefault() {
 			if (loaded) return;
 			Components.Add("image", typeof(SpritePlane));
+			Components.Add("mesh", typeof(MeshBase));
 			Components.Add("polysec", typeof(PolygonSGO));
 			Components.Add("rect", typeof(SpriteRect));
 			Components.Add("scale3", typeof(SpriteScale3));