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Assets/CoolapeFrame/Scripts/ui/public/CLUIRenderQueue.cs

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+/*
+******************************************************************************** 
+  *Copyright(C),coolae.net 
+  *Author:  chenbin
+  *Version:  2.0 
+  *Date:  2017-01-09
+  *Description:   在ui中使用粒子时，需要绑定该脚本，
+  *						主要功能是设置粒子的renderQueue,使粒子可以在两个页面之间显示，而不总是显示在最顶层
+  *						另外会自动添加一个uisprite，目的是用这个sprite占一个renderqueue的位置
+  *Others:  
+  *History:
+*********************************************************************************
+*/ 
+using UnityEngine;
+using System.Collections;
+
+namespace Coolape
+{
+	[RequireComponent (typeof(UISprite))]
+	public class CLUIRenderQueue : MonoBehaviour
+	{
+		public UIPanel _panel;
+		UISprite sprite;
+		public int depth = 0;
+		public int currRenderQueue = 0;
+		public bool isSharedMaterial = true;
+        public bool isForceUpdateSetRenderQueue = false;
+		Renderer[] _renders;
+
+		Renderer[] renders {
+			get {
+				if (_renders == null) {
+					_renders = GetComponentsInChildren<Renderer> ();
+				}
+				return _renders;
+			}
+		}
+
+		public UIPanel panel {
+			get {
+				if (_panel == null) {
+					_panel = GetComponentInParent<UIPanel> ();
+				}
+				return _panel;
+			}
+		}
+		// Use this for initialization
+		public void Start ()
+		{
+			mWidget.depth = depth;
+			#if UNITY_EDITOR
+			//因为是通过assetebundle加载的，在真机上不需要处理，只有在pc上需要重设置shader
+//			if (Application.isPlaying) {
+//				Utl.setBodyMatEdit (transform);
+//			}
+			#endif
+
+		}
+
+        public void reset()
+        {
+            reset(false);
+        }
+        public void reset(bool forceUpdate)
+        {
+            Start();
+            isForceUpdateSetRenderQueue = forceUpdate;
+            _renders = null;
+        }
+
+        public int mDepth {
+			get {
+				return depth;
+			}
+			set {
+				depth = value;
+				mWidget.depth = depth;
+			}
+		}
+
+		public UIWidget mWidget {
+			get {
+				if (sprite == null) {
+					// 建议使用 _empty 的 UITextures
+					sprite = GetComponent<UISprite> ();
+					sprite.height = 1;
+					sprite.width = 1;
+					sprite.alpha = 0.004f;
+					sprite.depth = depth;
+					if (sprite.atlas == null) {
+						sprite.atlas = CLUIInit.self.emptAtlas;
+					}
+					// 随便设置一个图给他，不然不能被渲染
+					if (CLUIInit.self.emptAtlas != null && CLUIInit.self.emptAtlas.spriteList.Count > 0) {
+						sprite.spriteName = (CLUIInit.self.emptAtlas.spriteList [0]).name;
+					}
+				}
+				return sprite;
+			}
+		}
+
+		// Update is called once per frame
+		void LateUpdate ()
+		{
+			#if UNITY_EDITOR
+			if (!Application.isPlaying) {
+				mWidget.depth = depth;
+			}
+			#endif
+			setRenderQueue (isForceUpdateSetRenderQueue);
+		}
+		void OnEnable(){
+			#if UNITY_EDITOR
+			if (!Application.isPlaying) {
+				mWidget.depth = depth;
+			}
+			#endif
+			setRenderQueue (true);
+		}
+        /// <summary>
+        /// Ons the finish load assets.配合CLSharedAssets使用
+        /// </summary>
+        /// <param name="go">Go.</param>
+        public void onFinishLoadAssets(GameObject go)
+        {
+            setRenderQueue();
+        }
+
+        [ContextMenu("setRenderQueue")]
+        public void setRenderQueueExe()
+        {
+            setRenderQueue(true);
+        }
+
+        public void setRenderQueue (bool isForce = false)
+		{
+			int newRenderQ = currRenderQueue;
+			Material mat = null;
+
+			if (mWidget != null && NGUITools.GetActive (mWidget)) {
+				if (mWidget.drawCall == null) {
+					#if UNITY_EDITOR
+//					Debug.LogWarning ("widget.drawCall == null");
+					#endif
+					mWidget.depth = depth;
+				} else {
+					newRenderQ = mWidget.drawCall.finalRenderQueue;
+				}
+			} else {
+				newRenderQ = panel != null ? panel.startingRenderQueue + depth : depth;
+			}
+
+			if (isForce || newRenderQ != currRenderQueue) {
+				for (int i = 0; i < renders.Length; i++) {
+					if (isSharedMaterial) {
+						mat = renders [i].sharedMaterial;
+					} else {
+						mat = renders [i].material;
+					}
+					if (mat != null) {
+						mat.renderQueue = newRenderQ;
+					}
+				}
+				currRenderQueue = newRenderQ;
+			}
+		}
+
+	}
+}