NGUI中穿插粒子或者mesh渲染层级

 1 void LateUpdate ()  2  {  3 #if UNITY_EDITOR  4 if (mUpdateFrame != Time.frameCount || !Application.isPlaying)  5 #else  6 if (mUpdateFrame != Time.frameCount)  7 #endif  8  {  9 mUpdateFrame = Time.frameCount; 10 11 // Update each panel in order 12 for (int i = 0, imax = list.Count; i < imax; ++i) 13  list[i].UpdateSelf(); 14 // updateself开始刷新widget并排序 15 int rq = 3000; 16 17 // Update all draw calls, making them draw in the right order 18 for (int i = 0, imax = list.Count; i < imax; ++i) 19  { 20 UIPanel p = list[i]; 21 22 if (p.renderQueue == RenderQueue.Automatic) 23  { 24 // 循环分配渲染层级 25 p.startingRenderQueue = rq; 26  p.UpdateDrawCalls(); 27 rq += p.drawCalls.Count; 28  } 29 else if (p.renderQueue == RenderQueue.StartAt) 30  { 31 // 循环分配渲染层级 32  p.UpdateDrawCalls(); 33 if (p.drawCalls.Count != 0) 34 rq = Mathf.Max(rq, p.startingRenderQueue + p.drawCalls.Count); 35  } 36 else // Explicit 37  { 38 // 循环分配渲染层级 39  p.UpdateDrawCalls(); 40 if (p.drawCalls.Count != 0) 41 rq = Mathf.Max(rq, p.startingRenderQueue + 1); 42  } 43  } 44  } 45  } 46 void UpdateSelf () 47  { 48 mUpdateTime = RealTime.time; 49 50  UpdateTransformMatrix(); 51  UpdateLayers(); 52 // 更新widget并排序 53  UpdateWidgets(); 54 55 if (mRebuild) 56  { 57 mRebuild = false; 58 // 重新绘制合并排序DC 59  FillAllDrawCalls(); 60  } 61 else 62  { 63 // 移除不可用dc 64 for (int i = 0; i < drawCalls.Count; ) 65  { 66 UIDrawCall dc = drawCalls[i]; 67 68 if (dc.isDirty && !FillDrawCall(dc)) 69  { 70  UIDrawCall.Destroy(dc); 71  drawCalls.RemoveAt(i); 72 continue; 73  } 74 ++i; 75  } 76  } 77 78 if (mUpdateScroll) 79  { 80 mUpdateScroll = false; 81 UIScrollView sv = GetComponent<UIScrollView>(); 82 if (sv != null) sv.UpdateScrollbars(); 83  } 84 }

 1 void FillAllDrawCalls ()  2  {  3 for (int i = 0; i < drawCalls.Count; ++i)  4  UIDrawCall.Destroy(drawCalls[i]);  5  drawCalls.Clear();  6 　　　　  7 Material mat = null;  8 Texture tex = null;  9 Shader sdr = null; 10 UIDrawCall dc = null; 11 　　　　　// widget排序 12 if (mSortWidgets) SortWidgets(); 13 　　　　　// 根据既定顺序开始生成Drawcall并合并 14 for (int i = 0; i < widgets.Count; ++i) 15  { 16 UIWidget w = widgets[i]; 17 18 if (w.isVisible && w.hasVertices) 19  { 20 Material mt = w.material; 21 Texture tx = w.mainTexture; 22 Shader sd = w.shader; 23 　　　　　　　　　　 24 if (mat != mt || tex != tx || sdr != sd) 25  { 
　　　　　　　　　　　　　// 跟上一个不同重新生成DC 26 if (dc != null && dc.verts.size != 0) 27  { 28  drawCalls.Add(dc); 29  dc.UpdateGeometry(); 30 dc = null; 31  } 32 33 mat = mt; 34 tex = tx; 35 sdr = sd; 36  } 37 38 if (mat != null || sdr != null || tex != null) 39  { 40 if (dc == null) 41  { 
　　　　　　　　　　　　　　　　// 生成dc 42 dc = UIDrawCall.Create(this, mat, tex, sdr); 43 dc.depthStart = w.depth; 44 dc.depthEnd = dc.depthStart; 45 dc.panel = this; 46 47  } 48 else 49  { 
　　　　　　　　　　　　　　　　// 合并dc 50 int rd = w.depth; 51 if (rd < dc.depthStart) dc.depthStart = rd; 52 if (rd > dc.depthEnd) dc.depthEnd = rd; 53  } 54 55 w.drawCall = dc; 56 57 if (generateNormals) w.WriteToBuffers(dc.verts, dc.uvs, dc.cols, dc.norms, dc.tans); 58 else w.WriteToBuffers(dc.verts, dc.uvs, dc.cols, null, null); 59  } 60  } 61 else w.drawCall = null; 62  } 63 64 if (dc != null && dc.verts.size != 0) 65  { 66  drawCalls.Add(dc);
　　　　　　　　　// 绘制dc 67  dc.UpdateGeometry(); 68  } 69 }

 1 public UIPanel panel;  2 public UIDrawCall drawCall;  3  4 public virtual Material material  5  {  6 get  7  {  8 return null;  9  } 10 set 11  { 12 throw new System.NotImplementedException(GetType() + " has no material setter"); 13  } 14  } 15 16 public virtual Texture mainTexture 17  { 18 get 19  { 20 Material mat = material; 21 return (mat != null) ? mat.mainTexture : null; 22  } 23 set 24  { 25 throw new System.NotImplementedException(GetType() + " has no mainTexture setter"); 26  } 27  } 28 29 public virtual Shader shader 30  { 31 get 32  { 33 Material mat = material; 34 return (mat != null) ? mat.shader : null; 35  } 36 set 37  { 38 throw new System.NotImplementedException(GetType() + " has no shader setter"); 39  } 40  } 41 42 virtual public void OnFill(BetterList<Vector3> verts, BetterList<Vector2> uvs, BetterList<Color32> cols) 43  { 44 // Call this in your derived classes: 45 //if (onPostFill != null) 46 // onPostFill(this, verts.size, verts, uvs, cols); 47 }

 1 using UnityEngine;  2 using System.Collections;  3  4 // 该组件必须有渲染组件  5 [RequireComponent(typeof(Renderer))]  6 public class UINGUIEffect : UIWidget {  7 // 维护材质 贴图 以及 shader   8 private Material mMaterial;  9 private Texture mMainTexture;  10 private Shader mShader;  11 private Renderer mRender;  12  13 // 重写  14 public override Material material  15  {  16 get  17  {  18 return mMaterial;  19  }  20  21 set  22  {  23 mMaterial = value;  24  }  25  }  26  27 public override Shader shader  28  {  29 get  30  {  31 return mShader;  32  }  33  34 set  35  {  36 mShader = value;  37  }  38  }  39  40 public override Texture mainTexture  41  {  42 get  43  {  44 return mMainTexture;  45  }  46  47 set  48  {  49 mMainTexture = value;  50  }  51  }  52  53 protected override void Awake()  54  {  55 if (GetComponent<Renderer>())  56  {  57 mRender = GetComponent<Renderer>();  58 mMaterial = mRender.sharedMaterial;  59 mMainTexture = mRender.sharedMaterial.mainTexture;  60 mShader = mRender.sharedMaterial.shader;  61  }  62 // 这里缓存设置Drawcall渲染层级时的回调  63 onRenderQueueChanged = OnRQChanged;  64 base.Awake();  65  }  66  67 void OnRQChanged(int rq)  68  {  69 // 回调指定该渲染层级  70 GetComponent<Renderer>().sharedMaterial.renderQueue = rq;  71  72  }  73  74 protected override void OnInit()  75  {  76 base.OnInit();  77  }  78  79 protected override void OnStart()  80  {  81 base.OnStart();  82  }  83  84 protected override void OnEnable()  85  {  86 base.OnEnable();  87  }  88  89 protected override void OnDisable()  90  {  91 base.OnDisable();  92  }  93  94 protected override void OnUpdate()  95  {  96 base.OnUpdate();  97  }  98  99 public override void OnFill(BetterList<Vector3> verts, BetterList<Vector2> uvs, BetterList<Color32> cols) 100  { 101 // 创建一个空四边形占据一个dc;如过这里是空的话该组件就不会生成dc所以必须有一个； 102 verts.Add(new Vector3(1, 0, 1)); 103 verts.Add(new Vector3(1, 0, -1)); 104 verts.Add(new Vector3(-1, 0, 1)); 105 verts.Add(new Vector3(-1, 0, -1)); 106 107 uvs.Add(new Vector2(1, 1)); 108 uvs.Add(new Vector2(1, 0)); 109 uvs.Add(new Vector2(0, 1)); 110 uvs.Add(new Vector2(0, 0)); 111 112 cols.Add(new Color32(255,255,255, 255)); 113 cols.Add(new Color32(255, 255, 255, 255)); 114 cols.Add(new Color32(255, 255, 255, 255)); 115 cols.Add(new Color32(255, 255, 255, 255)); 116 117 base.OnFill(verts, uvs, cols); 118 if (onPostFill != null) 119 onPostFill(this, verts.size, verts,uvs,cols); 120  } 121 }

//添加委托 public delegate void OnRenderQueueChanged(int renderQueue); //在UIWidget 以及UIdrawcall中增加委托 public OnRenderQueueChanged onRenderQueueChanged; //在UIPanel中FillAllDrawCalls方法中生成Drawcall时将widget维护的委托赋给它的dc if (mat != null || sdr != null || tex != null) { if (dc == null) { dc = UIDrawCall.Create(this, mat, tex, sdr); dc.depthStart = w.depth; dc.depthEnd = dc.depthStart; dc.panel = this; // 赋值委托 dc.onRenderQueueChanged = w.onRenderQueueChanged; } //最后在UIdrawcall设置renderQueque时调用委托设置特效层级 public int renderQueue { get { return mRenderQueue; } set { if (mRenderQueue != value) { mRenderQueue = value; // 调用回调设置特效层级 if (onRenderQueueChanged != null) onRenderQueueChanged(mRenderQueue); if (mDynamicMat != null) { mDynamicMat.renderQueue = value; #if UNITY_EDITOR if (mRenderer != null) mRenderer.enabled = isActive; #endif } } } }

 1 protected override void Awake()  2  {  3 if (GetComponent<Renderer>())  4  {  5 mRender = GetComponent<Renderer>();  6 mMaterial = new Material(mRender.sharedMaterial) ;  7 GetComponent<Renderer>().sharedMaterial = mMaterial;  8 mMainTexture = mMaterial.mainTexture;  9 mShader = mMaterial.shader; 10  } 11 onRenderQueueChanged = OnRQChanged; 12 base.Awake(); 13  } 14 15 void OnRQChanged(int rq) 16  { 17 if (!gameObject.activeSelf) return; 18 mMaterial.renderQueue = 0; 19 mMaterial.renderQueue = rq; 20 }