备份CatanBuilding瘦身独立工程

LocalPackages/SoftMaskForUGUI/Scripts/MaterialCache.cs

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+using System.Collections.Generic;
+using System;
+using UnityEngine;
+
+namespace Coffee.UISoftMask
+{
+    internal class MaterialEntry
+    {
+        public Material material;
+        public int referenceCount;
+
+        public void Release()
+        {
+            if (material)
+            {
+#if UNITY_EDITOR
+                if (!Application.isPlaying)
+                    UnityEngine.Object.DestroyImmediate(material, false);
+                else
+#endif
+                    UnityEngine.Object.Destroy(material);
+            }
+
+            material = null;
+        }
+    }
+
+    internal static class MaterialCache
+    {
+        static readonly Dictionary<Hash128, MaterialEntry> s_MaterialMap = new Dictionary<Hash128, MaterialEntry>();
+
+#if UNITY_EDITOR
+        [UnityEditor.InitializeOnLoadMethod]
+        private static void ClearCache()
+        {
+            foreach (var entry in s_MaterialMap.Values)
+            {
+                entry.Release();
+            }
+
+            s_MaterialMap.Clear();
+        }
+#endif
+
+        public static Material Register(Material material, Hash128 hash, Action<Material> onModify)
+        {
+            if (!hash.isValid) return null;
+
+            MaterialEntry entry;
+            if (!s_MaterialMap.TryGetValue(hash, out entry))
+            {
+                entry = new MaterialEntry()
+                {
+                    material = new Material(material)
+                    {
+                        hideFlags = HideFlags.HideAndDontSave,
+                    },
+                };
+
+                onModify(entry.material);
+                s_MaterialMap.Add(hash, entry);
+            }
+
+            entry.referenceCount++;
+            //Debug.LogFormat("Register: {0}, {1} (Total: {2})", hash, entry.referenceCount, materialMap.Count);
+            return entry.material;
+        }
+
+        public static void Unregister(Hash128 hash)
+        {
+            MaterialEntry entry;
+            if (!hash.isValid || !s_MaterialMap.TryGetValue(hash, out entry)) return;
+            //Debug.LogFormat("Unregister: {0}, {1}", hash, entry.referenceCount -1);
+
+            if (--entry.referenceCount > 0) return;
+
+            entry.Release();
+            s_MaterialMap.Remove(hash);
+            //Debug.LogFormat("Unregister: Release Emtry: {0}, {1} (Total: {2})", hash, entry.referenceCount, materialMap.Count);
+        }
+    }
+}