摄像机区域的架构改动

Assets/LWGUI-1.14.1/Editor/PresetHelper.cs

@@ -0,0 +1,62 @@
+// Copyright (c) Jason Ma
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+
+namespace LWGUI
+{
+	public class PresetHelper
+	{
+		private static Dictionary<string /*FileName*/, ShaderPropertyPreset> _loadedPresets = new Dictionary<string, ShaderPropertyPreset>();
+
+		private static bool _isInitComplete;
+
+		public static bool IsInitComplete { get { return _isInitComplete; } }
+
+		public static void Init()
+		{
+			if (!_isInitComplete)
+			{
+				ForceInit();
+			}
+		}
+
+		public static void ForceInit()
+		{
+			_loadedPresets.Clear();
+			_isInitComplete = false;
+			var GUIDs = AssetDatabase.FindAssets("t:" + typeof(ShaderPropertyPreset));
+			foreach (var GUID in GUIDs)
+			{
+				var preset = AssetDatabase.LoadAssetAtPath<ShaderPropertyPreset>(AssetDatabase.GUIDToAssetPath(GUID));
+				AddPreset(preset);
+			}
+			_isInitComplete = true;
+		}
+
+		public static void AddPreset(ShaderPropertyPreset preset)
+		{
+			if (!preset) return;
+			if (!_loadedPresets.ContainsKey(preset.name))
+			{
+				_loadedPresets.Add(preset.name, preset);
+				// Debug.Log(preset.name);
+			}
+		}
+
+		public static ShaderPropertyPreset GetPresetFile(string presetFileName)
+		{
+			if (!_loadedPresets.ContainsKey(presetFileName) || !_loadedPresets[presetFileName])
+				ForceInit();
+
+			if (!_loadedPresets.ContainsKey(presetFileName) || !_loadedPresets[presetFileName])
+			{
+				Debug.LogError("Invalid ShaderPropertyPreset: ‘" + presetFileName + "’ !");
+				return null;
+			}
+
+			return _loadedPresets[presetFileName];
+		}
+	}
+}