From e6372b2703e36f4d08af2d92a72efa7f70b136d1 Mon Sep 17 00:00:00 2001
From: drewcassidy <drewcassidy@me.com>
Date: Sat, 6 Jun 2020 11:28:28 -0700
Subject: [PATCH] Destroy materials and properties when MPC is destroyed

---
 .../MaterialModifiers/MaterialPropertyCollection.cs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/Source/ConformalDecals/MaterialModifiers/MaterialPropertyCollection.cs b/Source/ConformalDecals/MaterialModifiers/MaterialPropertyCollection.cs
index a7491c2..2e7ded1 100644
--- a/Source/ConformalDecals/MaterialModifiers/MaterialPropertyCollection.cs
+++ b/Source/ConformalDecals/MaterialModifiers/MaterialPropertyCollection.cs
@@ -24,7 +24,7 @@ namespace ConformalDecals.MaterialModifiers {
                 if (_decalMaterial == null) {
                     _decalMaterial = new Material(_shader);
                     UpdateMaterial(_decalMaterial);
-                    
+
                     _decalMaterial.SetInt(DecalPropertyIDs._Cull, (int) CullMode.Off);
                 }
 
@@ -99,6 +99,15 @@ namespace ConformalDecals.MaterialModifiers {
             _materialProperties ??= new Dictionary<string, MaterialProperty>();
         }
 
+        public void OnDestroy() {
+            if (_decalMaterial != null) Destroy(_decalMaterial);
+            if (_previewMaterial != null) Destroy(_previewMaterial);
+
+            foreach (var entry in _materialProperties) {
+                Destroy(entry.Value);
+            }
+        }
+
         public void AddProperty(MaterialProperty property) {
             if (property == null) throw new ArgumentNullException(nameof(property));
 
@@ -244,7 +253,7 @@ namespace ConformalDecals.MaterialModifiers {
 
         public void UpdateMaterial(Material material) {
             if (material == null) throw new ArgumentNullException(nameof(material));
-            
+
 
             foreach (var entry in _materialProperties) {
                 Debug.Log($"Applying material property {entry.Key} {entry.Value.PropertyName} {entry.Value.GetInstanceID()}");