+misc

3 files changed, 32 insertions, 17 deletions

diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/BaseInputModule.cs b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/BaseInputModule.cs
index 7661a8e..66736d1 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/BaseInputModule.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/BaseInputModule.cs
@@ -15,10 +15,10 @@ namespace UnityEngine.EventSystems
         private BaseEventData m_BaseEventData;
 
 #region 输入系统
-				// 如果m_InputOverride不为空就用它，否则用默认的m_DefaultInput
-				// 如果要自己实现BaseInput，继承此类并给这个字段赋值
-				// StandaloneInputModule没有自定义，直接采用的是BaseInput
-				protected BaseInput m_InputOverride;
+		// 如果m_InputOverride不为空就用它，否则用默认的m_DefaultInput
+		// 如果要自己实现BaseInput，继承此类并给这个字段赋值
+		// StandaloneInputModule没有自定义，直接采用的是BaseInput
+		protected BaseInput m_InputOverride;
         private   BaseInput m_DefaultInput;
         public BaseInput input
         {
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/PointerInputModule.cs b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/PointerInputModule.cs
index 9103162..3f93e7a 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/PointerInputModule.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/PointerInputModule.cs
@@ -4,6 +4,8 @@ using UnityEngine.UI;
 
 namespace UnityEngine.EventSystems
 {
+
+    // 会处理触屏和鼠标
     public abstract class PointerInputModule : BaseInputModule
     {
         public const int kMouseLeftId = -1;
@@ -37,7 +39,8 @@ namespace UnityEngine.EventSystems
         protected PointerEventData GetTouchPointerEventData(Touch input, out bool pressed, out bool released)
         {
             PointerEventData pointerData;
-            var created = GetPointerData(input.fingerId, out pointerData, true); // 拿到存储结构，返回是否是新建结构
+            // 从池子里拿到存储结构，返回是否是新建结构
+            var created = GetPointerData(input.fingerId, out pointerData, true); 
 
             pointerData.Reset();
 
@@ -60,8 +63,10 @@ namespace UnityEngine.EventSystems
 
             // 用这个触摸数据做射线检测，检测结果在m_RaycastResultCache
             eventSystem.RaycastAll(pointerData, m_RaycastResultCache); 
-
+            
+            // 只取第一个，舍弃其他的
             var raycast = FindFirstRaycast(m_RaycastResultCache);
+            Debug.Log("raycast: "  + raycast.index);
             pointerData.pointerCurrentRaycast = raycast;
             m_RaycastResultCache.Clear();
             return pointerData;
@@ -209,6 +214,8 @@ namespace UnityEngine.EventSystems
             leftData.scrollDelta = input.mouseScrollDelta;
             leftData.button = PointerEventData.InputButton.Left;
             eventSystem.RaycastAll(leftData, m_RaycastResultCache);
+
+            // 只要第一个raycast结果
             var raycast = FindFirstRaycast(m_RaycastResultCache);
             leftData.pointerCurrentRaycast = raycast;
             m_RaycastResultCache.Clear();
@@ -224,6 +231,7 @@ namespace UnityEngine.EventSystems
             CopyFromTo(leftData, middleData);
             middleData.button = PointerEventData.InputButton.Middle;
 
+            // 设置按键状态
             m_MouseState.SetButtonState(PointerEventData.InputButton.Left, StateForMouseButton(0), leftData);
             m_MouseState.SetButtonState(PointerEventData.InputButton.Right, StateForMouseButton(1), rightData);
             m_MouseState.SetButtonState(PointerEventData.InputButton.Middle, StateForMouseButton(2), middleData);
@@ -252,6 +260,7 @@ namespace UnityEngine.EventSystems
             HandlePointerExitAndEnter(pointerEvent, targetGO);
         }
 
+        // 发送drag事件
         protected virtual void ProcessDrag(PointerEventData pointerEvent)
         {
             if (!pointerEvent.IsPointerMoving() ||
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/StandaloneInputModule.cs b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/StandaloneInputModule.cs
index f9a2f77..7db371a 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/StandaloneInputModule.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/InputModules/StandaloneInputModule.cs
@@ -141,16 +141,16 @@ namespace UnityEngine.EventSystems
                 default:
                     return false;
             }
-        }
-
-				//c 更新鼠标坐标
+        }

+

+        //c! 这里只更新鼠标位置

         public override void UpdateModule()
         {
-						// 如果没有获取焦点，且忽略没有焦点时的事件，返回（除非开启远程连接，否则会这样）
+			// 如果没有获取焦点，且忽略没有焦点时的事件，返回（除非开启远程连接，否则会这样）
             if (!eventSystem.isFocused && ShouldIgnoreEventsOnNoFocus())
                 return;
 
-						// 更新鼠标位置
+		    // 更新鼠标位置
             m_LastMousePosition = m_MousePosition;
             m_MousePosition = input.mousePosition;
         }
@@ -201,16 +201,17 @@ namespace UnityEngine.EventSystems
             ClearSelection();
         }
         
-        //c input module事件处理主入口
+        //c! input module事件处理主入口，每帧更新
         public override void Process()
         {
-            if (!eventSystem.isFocused && ShouldIgnoreEventsOnNoFocus()) // 如果没有获取焦点，不需要处理
+            // 如果没有获取焦点，不需要处理
+            if (!eventSystem.isFocused && ShouldIgnoreEventsOnNoFocus()) 
                 return;
 
             //event 给选中的对象发布更新事件
             bool usedEvent = SendUpdateEventToSelectedObject();
 
-            // 如果勾上了，发送move , submit, cancel事件
+            // 如果勾上了Send Navigation Events，发送move , submit, cancel事件
             if (eventSystem.sendNavigationEvents)
             {
                 if (!usedEvent)
@@ -222,10 +223,10 @@ namespace UnityEngine.EventSystems
 
             // 模拟触摸或鼠标输入
             // touch needs to take precedence because of the mouse emulation layer
-            usedEvent = ProcessTouchEvents(); //event 发布触摸事件
+            usedEvent = ProcessTouchEvents(); //event 检测屏幕触摸，PC上没有
 
             if(!usedEvent && input.mousePresent)
-                ProcessMouseEvent();
+                ProcessMouseEvent(); // 处理鼠标事件
         }
 
         //c 触摸事件
@@ -233,6 +234,8 @@ namespace UnityEngine.EventSystems
         {
             for (int i = 0; i < input.touchCount; ++i)  //多点触控
             {
+                Debug.Log("Touch");
+
                 Touch touch = input.GetTouch(i);
 
                 if (touch.type == TouchType.Indirect)
@@ -240,7 +243,8 @@ namespace UnityEngine.EventSystems
 
                 bool released; // 这是一个手指抬起操作
                 bool pressed; // 这是一个手指放下操作
-                var pointer = GetTouchPointerEventData(touch, out pressed, out released); // 射线检测并保存检测结果
+                //
+                PointerEventData pointer = GetTouchPointerEventData(touch, out pressed, out released); // 射线检测并保存检测结果
 
                 // 处理触摸或抬起反馈，已经准备好了被触摸的物体
                 ProcessTouchPress(pointer, pressed, released);
@@ -495,6 +499,7 @@ namespace UnityEngine.EventSystems
             }
         }
 
+        // 每帧发送一个OnUpdateSelected事件
         protected bool SendUpdateEventToSelectedObject()
         {
             if (eventSystem.currentSelectedGameObject == null)
@@ -506,6 +511,7 @@ namespace UnityEngine.EventSystems
             return data.used;
         }
 
+        // 处理鼠标按下事件，发送消息，调用回调
         /// <summary>
         /// Process the current mouse press.
         /// </summary>