private void PerformUpdate()
{
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Layout);
this.CleanInvalidItems();
this.m_PerformingLayoutUpdate = true;
this.m_LayoutRebuildQueue.Sort(CanvasUpdateRegistry.s_SortLayoutFunction);
for (int i = 0; i <= 2; i++)
{
for (int j = 0; j < this.m_LayoutRebuildQueue.Count; j++)
{
ICanvasElement canvasElement = CanvasUpdateRegistry.instance.m_LayoutRebuildQueue[j];
try
{
if (this.ObjectValidForUpdate(canvasElement))
{
canvasElement.Rebuild((CanvasUpdate)i);
}
}
catch (Exception exception)
{
Debug.LogException(exception, canvasElement.transform);
}
}
}
for (int k = 0; k < this.m_LayoutRebuildQueue.Count; k++)
{
this.m_LayoutRebuildQueue[k].LayoutComplete();
}
CanvasUpdateRegistry.instance.m_LayoutRebuildQueue.Clear();
this.m_PerformingLayoutUpdate = false;
ClipperRegistry.instance.Cull();
this.m_PerformingGraphicUpdate = true;
for (int l = 3; l < 5; l++)
{
for (int m = 0; m < CanvasUpdateRegistry.instance.m_GraphicRebuildQueue.Count; m++)
{
try
{
ICanvasElement canvasElement2 = CanvasUpdateRegistry.instance.m_GraphicRebuildQueue[m];
if (this.ObjectValidForUpdate(canvasElement2))
{
canvasElement2.Rebuild((CanvasUpdate)l);
}
}
catch (Exception exception2)
{
Debug.LogException(exception2, CanvasUpdateRegistry.instance.m_GraphicRebuildQueue[m].transform);
}
}
}
for (int n = 0; n < this.m_GraphicRebuildQueue.Count; n++)
{
this.m_GraphicRebuildQueue[n].GraphicUpdateComplete();
}
CanvasUpdateRegistry.instance.m_GraphicRebuildQueue.Clear();
this.m_PerformingGraphicUpdate = false;
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Layout);
}
public static int EndSample_s(IntPtr l)
{
int result;
try
{
UISystemProfilerApi.SampleType type;
LuaObject.checkEnum <UISystemProfilerApi.SampleType>(l, 1, out type);
UISystemProfilerApi.EndSample(type);
LuaObject.pushValue(l, true);
result = 1;
}
catch (Exception e)
{
result = LuaObject.error(l, e);
}
return(result);
}
//类初始化时，绑定Canvas.willRenderCanvases事件，Canvas重构时，执行这个方法
private void PerformUpdate()
{
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Layout);
CleanInvalidItems();
m_PerformingLayoutUpdate = true;
//需要重建的布局元素，根据子对象数量排序
m_LayoutRebuildQueue.Sort(s_SortLayoutFunction);
for (int i = 0; i <= (int)CanvasUpdate.PostLayout; i++)
{
for (int j = 0; j < m_LayoutRebuildQueue.Count; j++)
{
var rebuild = instance.m_LayoutRebuildQueue[j];
try
{
if (ObjectValidForUpdate(rebuild))
{
rebuild.Rebuild((CanvasUpdate)i); //注册的元素回调布局重建
}
}
catch (Exception e)
{
Debug.LogException(e, rebuild.transform);
}
}
}
for (int i = 0; i < m_LayoutRebuildQueue.Count; ++i)
{
m_LayoutRebuildQueue[i].LayoutComplete();
}
//构建完成后情况队列
instance.m_LayoutRebuildQueue.Clear();
m_PerformingLayoutUpdate = false;
// now layout is complete do culling...
ClipperRegistry.instance.Cull(); //Mask2D裁剪
//重建Graphic元素
m_PerformingGraphicUpdate = true;
for (var i = (int)CanvasUpdate.PreRender; i < (int)CanvasUpdate.MaxUpdateValue; i++)
{
for (var k = 0; k < instance.m_GraphicRebuildQueue.Count; k++)
{
try
{
var element = instance.m_GraphicRebuildQueue[k];
if (ObjectValidForUpdate(element))
{
element.Rebuild((CanvasUpdate)i);
}
}
catch (Exception e)
{
Debug.LogException(e, instance.m_GraphicRebuildQueue[k].transform);
}
}
}
for (int i = 0; i < m_GraphicRebuildQueue.Count; ++i)
{
m_GraphicRebuildQueue[i].GraphicUpdateComplete();
}
instance.m_GraphicRebuildQueue.Clear();
m_PerformingGraphicUpdate = false;
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Layout);
}
void OnGUI()
{
UnityEngine.Profiling.Profiler.BeginSample("Snapper Quick Settings");
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Render);
EditorGUILayout.BeginHorizontal("Box", GUILayout.Height(fButtonHeight));
#region Small Buttons
EditorGUILayout.BeginVertical(buttonSmallWidth);
if (GUILayout.Button((Texture)EditorGUIUtility.Load("Icons/Snapper.png")))//, "|Open Snapper Editor."))
{
BlocklyPlayground.OpenSnapperEditor();
}
// Two Buttons
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button(EditorGUIUtility.GetBuiltinSkin(EditorSkin.Inspector).GetStyle("Icon.Activation").normal.background))
{
AssessmentWizard.CreateWizard();
}
if (GUILayout.Button(EditorGUIUtility.IconContent("LookDevSideBySide", "|Publish.")))
{
BlocklyPlayground.PublishTo();
}
EditorGUILayout.EndHorizontal();
if (GUILayout.Button(EditorGUIUtility.IconContent("renderdoc", "|Me.")))
{
Debug.Log(Application.companyName);
}
EditorGUILayout.EndVertical();
#endregion
#region Big Buttons
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button(EditorGUIUtility.IconContent("cs Script Icon", "|Save as C# Script.")))
{
BlocklyPlayground.SaveAsCSharp();
}
/*if (GUILayout.Button(EditorGUIUtility.IconContent("js Script Icon", "|Save as JS.")))
* {
* BlocklyPlayground.SaveAsJavaScript();
* }*/
// Create primitive with our most recent Snapper script.
EditorGUILayout.BeginVertical();
op = (E_PRIMITIVE_STATE)EditorGUILayout.EnumPopup("Primitive to create:", op);
EditorGUILayout.LabelField(string.Format("Last Snapper Script: \"{0}\"", BlocklyPlayground.LastSnapperComponent));
// If we're not compiling...
if (!EditorApplication.isCompiling)
{
// ... allow us to create a primitive.
if (GUILayout.Button(EditorGUIUtility.IconContent("GameObject Icon",
"|Adds the latest Snapper script to a primitive."),
GUILayout.Height(fButtonHeight - fPadding * 8f)))
{
InstantiatePrimitive(op);
}
}
// ... We don't want to create a primitive if we're compiling.
else
{
GUIStyle style = new GUIStyle();
style.richText = true;
EditorGUILayout.LabelField("<color=red>Compiling!</color> Please Wait.", style);
}
EditorGUILayout.EndVertical();
EditorGUILayout.EndHorizontal();
#endregion
EditorGUILayout.EndHorizontal();
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Render);
UnityEngine.Profiling.Profiler.EndSample();
}
private void PerformUpdate()
{
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Layout);
CleanInvalidItems();
m_PerformingLayoutUpdate = true;
m_LayoutRebuildQueue.Sort(s_SortLayoutFunction);
for (int i = 0; i <= (int)CanvasUpdate.PostLayout; i++)
{
UnityEngine.Profiling.Profiler.BeginSample(m_CanvasUpdateProfilerStrings[i]);
for (int j = 0; j < m_LayoutRebuildQueue.Count; j++)
{
var rebuild = instance.m_LayoutRebuildQueue[j];
try
{
if (ObjectValidForUpdate(rebuild))
{
rebuild.Rebuild((CanvasUpdate)i);
}
}
catch (Exception e)
{
Debug.LogException(e, rebuild.transform);
}
}
UnityEngine.Profiling.Profiler.EndSample();
}
for (int i = 0; i < m_LayoutRebuildQueue.Count; ++i)
{
m_LayoutRebuildQueue[i].LayoutComplete();
}
instance.m_LayoutRebuildQueue.Clear();
m_PerformingLayoutUpdate = false;
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Layout);
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Render);
// now layout is complete do culling...
UnityEngine.Profiling.Profiler.BeginSample(m_CullingUpdateProfilerString);
ClipperRegistry.instance.Cull();
UnityEngine.Profiling.Profiler.EndSample();
m_PerformingGraphicUpdate = true;
for (var i = (int)CanvasUpdate.PreRender; i < (int)CanvasUpdate.MaxUpdateValue; i++)
{
UnityEngine.Profiling.Profiler.BeginSample(m_CanvasUpdateProfilerStrings[i]);
for (var k = 0; k < instance.m_GraphicRebuildQueue.Count; k++)
{
try
{
var element = instance.m_GraphicRebuildQueue[k];
if (ObjectValidForUpdate(element))
{
element.Rebuild((CanvasUpdate)i);
}
}
catch (Exception e)
{
Debug.LogException(e, instance.m_GraphicRebuildQueue[k].transform);
}
}
UnityEngine.Profiling.Profiler.EndSample();
}
for (int i = 0; i < m_GraphicRebuildQueue.Count; ++i)
{
m_GraphicRebuildQueue[i].GraphicUpdateComplete();
}
instance.m_GraphicRebuildQueue.Clear();
m_PerformingGraphicUpdate = false;
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Render);
}
/*void OnEnable()
* {
* base.hideFlags = HideFlags.HideAndDontSave;
* this.InitializeHorizontalSplitter();
*
* AnimEditor.s_AnimationWindows.Add(this);
* if (this.m_State == null)
* {
* this.m_State = (ScriptableObject.CreateInstance(typeof(AnimationWindowState)) as AnimationWindowState);
* this.m_State.hideFlags = HideFlags.HideAndDontSave;
* this.m_State.animEditor = this;
* this.InitializeHorizontalSplitter();
* this.InitializeClipSelection();
* this.InitializeDopeSheet();
* this.InitializeEvents();
* this.InitializeCurveEditor();
* this.InitializeOverlay();
* }
* this.InitializeNonserializedValues();
* this.m_State.timeArea = ((!this.m_State.showCurveEditor) ? this.m_DopeSheet : this.m_CurveEditor);
* this.m_DopeSheet.state = this.m_State;
* this.m_ClipPopup.state = this.m_State;
* this.m_Overlay.state = this.m_State;
* CurveEditor expr_E9 = this.m_CurveEditor;
* expr_E9.curvesUpdated = (CurveEditor.CallbackFunction)Delegate.Combine(expr_E9.curvesUpdated, new CurveEditor.CallbackFunction(this.SaveChangedCurvesFromCurveEditor));
* this.m_CurveEditor.OnEnable();*/
/*// Shows an instance of custom window, SnapperWindow
* SnapperWindow window = GetWindow<SnapperWindow>("Snapper");
* // Loads an icon from an image stored at the specified path
* Texture icon = AssetDatabase.LoadAssetAtPath<Texture>("Assets/Editor Default Resources/Icons/Snapper.png");
* // Create the instance of GUIContent to assign to the window. Gives the title "SnapperWindow" and the icon
* GUIContent titleContent = new GUIContent("SnapperWindow", icon);
* window.titleContent = titleContent;* /
* }*/
#region GUI
void OnGUI()
{
UnityEngine.Profiling.Profiler.BeginSample("Snapper");
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Render);
//Event currentEvent = Event.current;
GUISkin _editorSkin = EditorGUIUtility.GetBuiltinSkin(EditorSkin.Inspector);
//GUILayout.BeginArea(headingsRect, GUI.skin.box);
//DrawMenu();
DrawHeadings();
//GUILayout.EndArea();
GUILayout.BeginHorizontal("Box");//, GUILayout.Width(GetWindow<SnapperWindow>().maxSize.x - 8));
//EditorGUILayout.Space();
DrawBlocks();
DrawGrid();
GUILayout.EndHorizontal();
//scrollPosition = GUILayout.BeginScrollView(scrollPosition);
DrawColoriser();
DrawGenHeadings();
EditorGUILayout.BeginVertical();
// https://github.com/MattRix/UnityDecompiled/blob/82e03c823811032fd970ffc9a75246e95c626502/UnityEditor/UnityEditor/ProjectWindowUtil.cs
//Or you can simply use the style itself when rendering a control:
if (GUILayout.Button("", _editorSkin.GetStyle("Icon.Mute")))
{
Debug.Log("Icon");
}
if (GUILayout.Button("", _editorSkin.GetStyle("VisibilityToggle")))
{
Debug.Log("Vis Tog");
//Debug.Log("Assets/Editor Default Resources/" + EditorResourcesUtility.iconsPath);
}
GUILayout.Label("", _editorSkin.GetStyle("MeTransPlayhead"));
GUILayout.Label(_editorSkin.GetStyle("MeTransPlayhead").normal.background);
EditorGUILayout.BeginHorizontal();
GUILayout.Button(EditorGUIUtility.IconContent("Animation.EventMarker", "|Add."));
GUILayout.Button(EditorGUIUtility.IconContent("LookDevClose", "|Add."));
GUILayout.Button(EditorGUIUtility.IconContent("renderdoc", "Capture|Capture the current view and open in RenderDoc."));
//GUILayout.Button(EditorGUIUtility.LoadIcon("animationkeyframe"));
GUILayout.Button(EditorGUIUtility.IconContent("Mirror", "|Add."));
GUILayout.Button(EditorGUIUtility.IconContent("LookDevSingle1", "|Add."));
GUILayout.Button(EditorGUIUtility.IconContent("LookDevSingle2", "|Add."));
GUILayout.Button(EditorGUIUtility.IconContent("LookDevSideBySide", "|Add."));
GUILayout.Button(EditorGUIUtility.IconContent("Toolbar Plus", "|Add."));
GUILayout.Button(EditorGUIUtility.IconContent("Toolbar Minus", "|Minus."));
EditorGUILayout.EndHorizontal();
/*using (new EditorGUI.DisabledScope(false))
* {
* GUILayout.BeginHorizontal();// new GUILayoutOption[0]);
* SplitterGUILayout.BeginHorizontalSplit(this.m_HorizontalSplitter, new GUILayoutOption[0]);
* GUILayout.BeginVertical();// new GUILayoutOption[0]);
* GUILayout.BeginHorizontal();// EditorStyles.toolbarButton, new GUILayoutOption[0]);
* GUILayout.FlexibleSpace();
* GUILayout.EndHorizontal();
* GUILayout.EndVertical();
* SplitterGUILayout.EndHorizontalSplit();
* GUILayout.EndHorizontal();
* }*/
EditorGUILayout.BeginHorizontal();
GUILayout.Button(EditorGUIUtility.IconContent("GameObject Icon", "|Game Object."));
//GUILayout.Button(EditorResourcesUtility.emptyFolderIconName, "|Game Object"));
GUILayout.Button(EditorGUIUtility.IconContent("cs Script Icon", "|C# Script Icon."));
GUILayout.Button(EditorGUIUtility.IconContent("AnimatorController Icon", "|Add."));
GUILayout.Button(_editorSkin.GetStyle("MeTransPlayhead").normal.background);
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
// TODO: remove later
System.Type[] categories = new System.Type[] // UnityEngine.Object[]
{ typeof(Mesh), typeof(ParticleSystem), typeof(Physics), typeof(Physics2D),
typeof(Behaviour), typeof(NavMeshAgent), typeof(AudioSource), typeof(VideoClip),
typeof(Renderer), typeof(LayoutElement), typeof(VRDevice), typeof(Network),
typeof(Transform), typeof(RectTransform), typeof(AudioLowPassFilter) };
for (int i = 0; i < categories.Length; i++)
{
if (i == 6) //categories.Length * 0.5f)
{
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
}
if (GUILayout.Button(EditorGUIUtility.ObjectContent(null, categories[i]).image))
{
Debug.Log(categories[i].Name + " Image."); //Debug.Log(nameof(categories[i]) + " Image");
}
}
/*if (GUILayout.Button(EditorGUIUtility.ObjectContent(null, typeof(Transform)).image))
* {
* Debug.Log("Transform Image");
* }*/
EditorGUILayout.EndHorizontal();
EditorGUILayout.EndVertical();
// Draw Side Window
/*sideWindowWidth = System.Math.Min(600, System.Math.Max(200, (int)(position.width / 5)));
* GUILayout.BeginArea(sideWindowRect, GUI.skin.box);
* DrawSideWindow();
* GUILayout.EndArea(); */
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Render);
UnityEngine.Profiling.Profiler.EndSample();
}
public void FindNearAuxins()
{
//clear them all, for obvious reasons
myAuxins.Clear();
//get all auxins on my cell
List <AuxinController> cellAuxins = cell.GetComponent <CellController>().GetAuxins();
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Layout);
//iterate all cell auxins to check distance between auxins and agent
for (int i = 0; i < cellAuxins.Count; i++)
{
//see if the distance between this agent and this auxin is smaller than the actual value, and inside agent radius
float distance = Vector3.Distance(transform.position, cellAuxins[i].position);
//compara o produto distancia x calmo do agente dono da auxina com o que quer pegar
//caso não tenha agente dono da auxina A2 fica como 1
if (cellAuxins[i].taken == true)
{
GameObject otherAgent = cellAuxins[i].GetAgent();
}
//if (distance < cellAuxins[i].GetMinDistance() && distance <= agentRadius && !cellAuxins[i].takenByRuler)
if (distance < cellAuxins[i].GetMinDistance() && distance <= agentRadius)
{
//take the auxin!!
//if this auxin already was taken, need to remove it from the agent who had it
if (cellAuxins[i].taken == true)
{
GameObject otherAgent = cellAuxins[i].GetAgent();
otherAgent.GetComponent <AgentController>().myAuxins.Remove(cellAuxins[i]);
}
//auxin is taken
cellAuxins[i].taken = true;
//change the color (visual purpose)
//cellAuxins[i].material.color = color;
//auxin has agent
cellAuxins[i].SetAgent(this.gameObject);
//update min distance
cellAuxins[i].SetMinDistance(distance);
//update my auxins
myAuxins.Add(cellAuxins[i]);
}
}
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Layout);
//find all neighbours cells
//default
int startX = (int)cell.transform.position.x - 2;
int startZ = (int)cell.transform.position.z - 2;
int endX = (int)cell.transform.position.x + 2;
int endZ = (int)cell.transform.position.z + 2;
//distance from agent to cell, to define agent new cell
float distanceToCell = Vector3.Distance(transform.position, cell.transform.position);
//see if it is in some border
if ((int)cell.transform.position.x == 1)
{
startX = (int)cell.transform.position.x;
}
if ((int)cell.transform.position.z == 1)
{
startZ = (int)cell.transform.position.z;
}
if ((int)cell.transform.position.x == (int)terrain.terrainData.size.x - 1)
{
endX = (int)cell.transform.position.x;
}
if ((int)cell.transform.position.z == (int)terrain.terrainData.size.z - 1)
{
endZ = (int)cell.transform.position.z;
}
//iterate to find the cells
//2 in 2, since the radius of each cell is 1 = diameter 2
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Layout);
for (int i = startX; i <= endX; i = i + 2)
{
for (int j = startZ; j <= endZ; j = j + 2)
{
int nameX = i - 1;
int nameZ = j - 1;
//find the cell
//Debug.LogWarning(gameObject.name);
GameObject neighbourCell = CellController.GetCellByName("cell" + nameX + "-" + nameZ);
//get all auxins on neighbourcell
cellAuxins = neighbourCell.GetComponent <CellController>().GetAuxins();
//iterate all cell auxins to check distance between auxins and agent
for (int c = 0; c < cellAuxins.Count; c++)
{
//see if the distance between this agent and this auxin is smaller than the actual value, and smaller than agent radius
float distance = Vector3.Distance(transform.position, cellAuxins[c].position);
// caso ele seja afoito a sua distnacia diminui o que leva a uma prioridade maior sobre os outros
if (cellAuxins[c].taken == true)
{
GameObject otherAgent = cellAuxins[c].GetAgent();
}
if (distance < cellAuxins[c].GetMinDistance() && distance <= agentRadius)
{
//take the auxin!!
//if this auxin already was taken, need to remove it from the agent who had it
if (cellAuxins[c].taken == true)
{
GameObject otherAgent = cellAuxins[c].GetAgent();
otherAgent.GetComponent <AgentController>().myAuxins.Remove(cellAuxins[c]);
}
//auxin is taken
cellAuxins[c].taken = true;
//change the color (visual purpose)
//cellAuxins[i].material.color = color;
//auxin has agent
cellAuxins[c].SetAgent(this.gameObject);
//update min distance
cellAuxins[c].SetMinDistance(distance);
//update my auxins
myAuxins.Add(cellAuxins[c]);
}
}
//see distance to this cell
float distanceToNeighbourCell = Vector3.Distance(transform.position, neighbourCell.transform.position);
if (distanceToNeighbourCell < distanceToCell)
{
distanceToCell = distanceToNeighbourCell;
SetCell(neighbourCell);
}
}
}
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Layout);
}
/// <summary>
///这里需要思考的是，有可能一个Image对象，RectTransform和Graphics同时发生了修改，它们的更新含义不同需要区分对待
///1.修改了Image的宽高，这样Mesh的顶点会发生变化，此时该对象会加入m_LayoutRebuildQueue队列
///2.修改了Image的Sprite，它并不会影响顶点位置信息，此时该对象会加入m_GraphicRebuildQueue队列
///所以上面代码在遍历的时候会分层
////for (int i = 0; i <= (int)CanvasUpdate.PostLayout; i++)
////for (var i = (int)CanvasUpdate.PreRender; i < (int)CanvasUpdate.MaxUpdateValue; i++)
///Rebuild的时候会把层传进去，保证Image知道现在是要更新布局，还是只更新渲染。
/// </summary>
private void PerformUpdate()
{
//开始BeginSample()
//在Profiler中看到的标志性函数Canvas.willRenderCanvases耗时就在这里了
//EndSample()
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Layout);
CleanInvalidItems();//从两个序列中，删除不可用元素
//（1）布局更新开始
m_PerformingLayoutUpdate = true;
m_LayoutRebuildQueue.Sort(s_SortLayoutFunction);
//分别以PreLayout,Layout,PostLayout的参数顺序调用每一个元素的Rebuild方法
for (int i = 0; i <= (int)CanvasUpdate.PostLayout; i++)
{
for (int j = 0; j < m_LayoutRebuildQueue.Count; j++)
{
var rebuild = instance.m_LayoutRebuildQueue[j];
try
{
if (ObjectValidForUpdate(rebuild))
{
rebuild.Rebuild((CanvasUpdate)i);//重建布局元素
}
}
catch (Exception e)
{
Debug.LogException(e, rebuild.transform);
}
}
}
//调用布局更新完成的接口
for (int i = 0; i < m_LayoutRebuildQueue.Count; ++i)
{
m_LayoutRebuildQueue[i].LayoutComplete();
}
instance.m_LayoutRebuildQueue.Clear();
m_PerformingLayoutUpdate = false;
// now layout is complete do culling...
// 布局构建结束，开始进行Mask2D裁切（详细内容下面会介绍）
ClipperRegistry.instance.Cull();
//（2）图形更新开始
m_PerformingGraphicUpdate = true;
//以PreRender，LatePreRender的参数顺序调用每一个元素的Rebulid方法
for (var i = (int)CanvasUpdate.PreRender; i < (int)CanvasUpdate.MaxUpdateValue; i++)
{
for (var k = 0; k < instance.m_GraphicRebuildQueue.Count; k++)
{
try
{
var element = instance.m_GraphicRebuildQueue[k];
if (ObjectValidForUpdate(element))
{
element.Rebuild((CanvasUpdate)i);//重建UI元素
}
}
catch (Exception e)
{
Debug.LogException(e, instance.m_GraphicRebuildQueue[k].transform);
}
}
}
//调用图形更新成功的接口
for (int i = 0; i < m_GraphicRebuildQueue.Count; ++i)
{
m_GraphicRebuildQueue[i].GraphicUpdateComplete();
}
instance.m_GraphicRebuildQueue.Clear();
m_PerformingGraphicUpdate = false;
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Layout);
}
private void PerformUpdate()
{
UISystemProfilerApi.BeginSample(UISystemProfilerApi.SampleType.Layout);
CleanInvalidItems();
// 18/5 2020 Image源码学习
//标记当前正在执行layout的rebuild
//避免此时注册到队列中或者从队列中移除
m_PerformingLayoutUpdate = true;
m_LayoutRebuildQueue.Sort(s_SortLayoutFunction);
for (int i = 0; i <= (int)CanvasUpdate.PostLayout; i++)
{
for (int j = 0; j < m_LayoutRebuildQueue.Count; j++)
{
// 18/5 2020 Image源码学习
//从队列中取得一个element
var rebuild = instance.m_LayoutRebuildQueue[j];
try
{
// 18/5 2020 Image源码学习
//element可用的情况下进行rebuild,这里调用基本上是layoutRebuilder中的rebuild方法
if (ObjectValidForUpdate(rebuild))
{
rebuild.Rebuild((CanvasUpdate)i);
}
}
catch (Exception e)
{
Debug.LogException(e, rebuild.transform);
}
}
}
// 18/5 2020 Image源码学习
//更新完毕之后，调用layout rebuild Complete方法，执行完成后需要做的一些事情
//清除队列，并且更新m_PerformingLayoutUpdate的值为false，开始接受新一轮的注册和删除
for (int i = 0; i < m_LayoutRebuildQueue.Count; ++i)
{
m_LayoutRebuildQueue[i].LayoutComplete();
}
instance.m_LayoutRebuildQueue.Clear();
m_PerformingLayoutUpdate = false;
// now layout is complete do culling...
// 18/5 2020 Image源码学习
//布局完成之后，进行裁剪
ClipperRegistry.instance.Cull();
// 18/5 2020 Image源码学习
//Graphic rebuild同layout rebuild，只不过没有裁剪操作
m_PerformingGraphicUpdate = true;
for (var i = (int)CanvasUpdate.PreRender; i < (int)CanvasUpdate.MaxUpdateValue; i++)
{
for (var k = 0; k < instance.m_GraphicRebuildQueue.Count; k++)
{
try
{
var element = instance.m_GraphicRebuildQueue[k];
if (ObjectValidForUpdate(element))
{
element.Rebuild((CanvasUpdate)i);
}
}
catch (Exception e)
{
Debug.LogException(e, instance.m_GraphicRebuildQueue[k].transform);
}
}
}
for (int i = 0; i < m_GraphicRebuildQueue.Count; ++i)
{
m_GraphicRebuildQueue[i].GraphicUpdateComplete();
}
instance.m_GraphicRebuildQueue.Clear();
m_PerformingGraphicUpdate = false;
UISystemProfilerApi.EndSample(UISystemProfilerApi.SampleType.Layout);
}
