From a19d9b546ed0e1edf72a59e4a0da91a7f6688df3 Mon Sep 17 00:00:00 2001
From: Nico de Poel <ndepoel@gmail.com>
Date: Sun, 18 Apr 2021 01:04:00 +0200
Subject: [PATCH] Added disposal code for alias models

---
 Assets/Scripts/Modules/AliasModel.cs   | 10 ++++++++++
 Assets/Scripts/Modules/RenderModule.cs | 17 ++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/Assets/Scripts/Modules/AliasModel.cs b/Assets/Scripts/Modules/AliasModel.cs
index 00a80c4..544613b 100644
--- a/Assets/Scripts/Modules/AliasModel.cs
+++ b/Assets/Scripts/Modules/AliasModel.cs
@@ -59,6 +59,16 @@ public class AliasModel
         return false;   // Shouldn't happen
     }
 
+    public void Dispose()
+    {
+        foreach (var mesh in animationMeshes)
+        {
+            UnityEngine.Object.Destroy(mesh.Item2);
+        }
+        
+        animationMeshes.Clear();
+    }
+
     public void ImportMeshData(QAliasHeader header, QTriVertex[][] poseVertices, QTriangle[] triangles, QSTVert[] stVertices)
     {
         // Massage the input data for easier conversion
diff --git a/Assets/Scripts/Modules/RenderModule.cs b/Assets/Scripts/Modules/RenderModule.cs
index 3d758d5..1863a48 100644
--- a/Assets/Scripts/Modules/RenderModule.cs
+++ b/Assets/Scripts/Modules/RenderModule.cs
@@ -1,9 +1,11 @@
-using UnityEngine;
+using System.Collections.Generic;
+using UnityEngine;
 using UnityEngine.Rendering;
 
 public partial class RenderModule
 {
     private readonly UniQuake uq;
+    private readonly List<AliasModel> aliasModels = new List<AliasModel>();
 
     public RenderModule(UniQuake uniQuake)
     {
@@ -11,6 +13,18 @@ public partial class RenderModule
         BuildCallbacks();
     }
 
+    public override void Destroy()
+    {
+        base.Destroy();
+
+        foreach (var aliasModel in aliasModels)
+        {
+            // aliasModel.Dispose();    // TODO: reactivate when done testing in editor
+        }
+        
+        aliasModels.Clear();
+    }
+
     private float xPos = -8f;
 
     private int UploadAliasModel(string name, QAliasHeader header, 
@@ -21,6 +35,7 @@ public partial class RenderModule
         string modelName = System.IO.Path.GetFileNameWithoutExtension(name);
         AliasModel aliasModel = new AliasModel(modelName);
         aliasModel.ImportMeshData(header, poseVertices, triangles, stVertices);
+        aliasModels.Add(aliasModel);
 
         var go = new GameObject(modelName);
         go.transform.SetPositionAndRotation(new Vector3(xPos, 0, 0), Quaternion.Euler(-90, 90, 0));