+init

8 files changed, 183 insertions, 0 deletions

diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/ClipperRegistry.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/ClipperRegistry.cs
new file mode 100644
index 0000000..ea7f527
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/ClipperRegistry.cs
@@ -0,0 +1,50 @@
+using System.Collections.Generic;
+using UnityEngine.UI.Collections;
+
+namespace UnityEngine.UI
+{
+    public class ClipperRegistry
+    {
+        static ClipperRegistry s_Instance;
+
+        readonly IndexedSet<IClipper> m_Clippers = new IndexedSet<IClipper>();
+
+        protected ClipperRegistry()
+        {
+            // This is needed for AOT platforms. Without it the compile doesn't get the definition of the Dictionarys
+#pragma warning disable 168
+            Dictionary<IClipper, int> emptyIClipperDic;
+#pragma warning restore 168
+        }
+
+        public static ClipperRegistry instance
+        {
+            get
+            {
+                if (s_Instance == null)
+                    s_Instance = new ClipperRegistry();
+                return s_Instance;
+            }
+        }
+
+        public void Cull()
+        {
+            for (var i = 0; i < m_Clippers.Count; ++i)
+            {
+                m_Clippers[i].PerformClipping();
+            }
+        }
+
+        public static void Register(IClipper c)
+        {
+            if (c == null)
+                return;
+            instance.m_Clippers.AddUnique(c);
+        }
+
+        public static void Unregister(IClipper c)
+        {
+            instance.m_Clippers.Remove(c);
+        }
+    }
+}
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/ClipperRegistry.cs.meta b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/ClipperRegistry.cs.meta
new file mode 100644
index 0000000..32995ae
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/ClipperRegistry.cs.meta
@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: b494fa40405522d49af6bca6e68e4ba6
+timeCreated: 1602119379
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/Clipping.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/Clipping.cs
new file mode 100644
index 0000000..7dd39bf
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/Clipping.cs
@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+
+namespace UnityEngine.UI
+{
+    public static class Clipping
+    {
+        public static Rect FindCullAndClipWorldRect(List<RectMask2D> rectMaskParents, out bool validRect)
+        {
+            if (rectMaskParents.Count == 0)
+            {
+                validRect = false;
+                return new Rect();
+            }
+
+            var compoundRect = rectMaskParents[0].canvasRect;
+            for (var i = 0; i < rectMaskParents.Count; ++i)
+                compoundRect = RectIntersect(compoundRect, rectMaskParents[i].canvasRect);
+
+            var cull = compoundRect.width <= 0 || compoundRect.height <= 0;
+            if (cull)
+            {
+                validRect = false;
+                return new Rect();
+            }
+
+            Vector3 point1 = new Vector3(compoundRect.x, compoundRect.y, 0.0f);
+            Vector3 point2 = new Vector3(compoundRect.x + compoundRect.width, compoundRect.y + compoundRect.height, 0.0f);
+            validRect = true;
+            return new Rect(point1.x, point1.y, point2.x - point1.x, point2.y - point1.y);
+        }
+
+		// ¼ÆËã¾ØÐν»¼¯
+        private static Rect RectIntersect(Rect a, Rect b)
+        {
+            float xMin = Mathf.Max(a.x, b.x);
+            float xMax = Mathf.Min(a.x + a.width, b.x + b.width);
+            float yMin = Mathf.Max(a.y, b.y);
+            float yMax = Mathf.Min(a.y + a.height, b.y + b.height);
+            if (xMax >= xMin && yMax >= yMin)
+                return new Rect(xMin, yMin, xMax - xMin, yMax - yMin);
+            return new Rect(0f, 0f, 0f, 0f);
+        }
+    }
+}
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/Clipping.cs.meta b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/Clipping.cs.meta
new file mode 100644
index 0000000..698e06f
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/Clipping.cs.meta
@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 88fc11e9a11bf1941abc08b9ed323b6f
+timeCreated: 1602119379
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/IClipRegion.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/IClipRegion.cs
new file mode 100644
index 0000000..4593f17
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/IClipRegion.cs
@@ -0,0 +1,16 @@
+namespace UnityEngine.UI
+{
+    public interface IClipper
+    {
+        void PerformClipping();
+    }
+
+    public interface IClippable
+    {
+        GameObject gameObject { get; }
+        void RecalculateClipping();
+        RectTransform rectTransform { get; }
+        void Cull(Rect clipRect, bool validRect);
+        void SetClipRect(Rect value, bool validRect);
+    }
+}
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/IClipRegion.cs.meta b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/IClipRegion.cs.meta
new file mode 100644
index 0000000..1852869
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/IClipRegion.cs.meta
@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: d395da6bc4c1e6f4b9521bb99b22f3b4
+timeCreated: 1602119380
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/RectangularVertexClipper.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/RectangularVertexClipper.cs
new file mode 100644
index 0000000..6d12322
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/RectangularVertexClipper.cs
@@ -0,0 +1,21 @@
+namespace UnityEngine.UI
+{
+    internal class RectangularVertexClipper
+    {
+        readonly Vector3[] m_WorldCorners = new Vector3[4];
+        readonly Vector3[] m_CanvasCorners = new Vector3[4];
+
+        public Rect GetCanvasRect(RectTransform t, Canvas c)
+        {
+            if (c == null)
+                return new Rect();
+
+            t.GetWorldCorners(m_WorldCorners);
+            var canvasTransform = c.GetComponent<Transform>();
+            for (int i = 0; i < 4; ++i)
+                m_CanvasCorners[i] = canvasTransform.InverseTransformPoint(m_WorldCorners[i]);
+
+            return new Rect(m_CanvasCorners[0].x, m_CanvasCorners[0].y, m_CanvasCorners[2].x - m_CanvasCorners[0].x, m_CanvasCorners[2].y - m_CanvasCorners[0].y);
+        }
+    }
+}
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/RectangularVertexClipper.cs.meta b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/RectangularVertexClipper.cs.meta
new file mode 100644
index 0000000..f33cd90
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Culling/RectangularVertexClipper.cs.meta
@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 545014a8997364a47b344095371a7332
+timeCreated: 1602119378
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: