Update SoftMaskAlpha with new "fix"

Patched UISelectableExtension from issue #47
Added new UI Polygon control

--HG--
branch : develop_5.2

Scripts/Effects/SoftMaskScript.cs

@@ -30,6 +30,9 @@ namespace UnityEngine.UI.Extensions
         [Tooltip("Flip the masks alpha value")]
         public bool FlipAlphaMask = false;
 
+        [Tooltip("If Mask Scals Rect is given, and this value is true, the area around the mask will not be clipped")]
+        public bool DontClipMaskScalingRect = false;
+
         Vector3[] worldCorners;
 
         Vector2 AlphaUV;
@@ -173,6 +176,8 @@ namespace UnityEngine.UI.Extensions
             mat.SetTexture("_AlphaMask", AlphaMask);
             mat.SetInt("_FlipAlphaMask", FlipAlphaMask ? 1 : 0);
 
+            mat.SetInt("_NoOuterClip", DontClipMaskScalingRect && maskScalingRect != null ? 1 : 0);
+
             if (!isText) // No mod needed for Text
                 mat.SetVector("_AlphaUV", AlphaUV);
 

Scripts/Primitives/UIPolygon.cs

@@ -82,9 +82,11 @@ namespace UnityEngine.UI.Extensions
             }
             return vbo;
         }
-        protected override void OnPopulateMesh(VertexHelper vh)
+        protected override void OnPopulateMesh(Mesh toFill)
         {
-            vh.Clear();
+            toFill.Clear();
+            var vbo = new VertexHelper(toFill);
+
             Vector2 prevX = Vector2.zero;
             Vector2 prevY = Vector2.zero;
             Vector2 uv0 = new Vector2(0, 0);
@@ -129,7 +131,12 @@ namespace UnityEngine.UI.Extensions
                 }
                 prevX = pos1;
                 prevY = pos2;
-                vh.AddUIVertexQuad(SetVbo(new[] { pos0, pos1, pos2, pos3 }, new[] { uv0, uv1, uv2, uv3 }));
+                vbo.AddUIVertexQuad(SetVbo(new[] { pos0, pos1, pos2, pos3 }, new[] { uv0, uv1, uv2, uv3 }));
+            }
+
+            if (vbo.currentVertCount > 3)
+            {
+                vbo.FillMesh(toFill);
             }
         }
     }

Scripts/Primitives/UIPolygon.cs.meta

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: fcd1b8078a416f844b695454a4358409
+timeCreated: 1450200166
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Scripts/UISelectableExtension.cs

@@ -2,6 +2,7 @@
 /// Sourced from - http://forum.unity3d.com/threads/scripts-useful-4-6-scripts-collection.264161/page-2#post-1796783
 /// Extended to include a HELD state that continually fires while the button is held down.
 /// Refactored so it can be added to any button and expose the events in the editor.
+/// Unselect fix by @Sfyne
 
 using UnityEngine.Events;
 using UnityEngine.EventSystems;
@@ -108,5 +109,11 @@ namespace UnityEngine.UI.Extensions
                 Debug.Log("Control Held");
             #endif
         }
+
+        //Fixed UISelectableExtension inactive bug (if gameObject becomes inactive while button is held down it never goes back to _pressed = false)
+        void OnDisable () 
+        {
+            _pressed = false;
+        }
     }
 }

Shaders/SoftMaskShader.shader

@@ -21,6 +21,7 @@
 		[MaterialToggle]
 		_HardBlend("HardBlend",Float) = 0
 		_FlipAlphaMask("Flip Alpha Mask",int) = 0
+		_NoOuterClip("Outer Clip",int) = 0
 	}
 
 	SubShader
@@ -43,6 +44,8 @@
 			WriteMask[_StencilWriteMask]
 		}
 
+		LOD 0
+
 		Cull Off
 		Lighting Off
 		ZWrite Off
@@ -120,13 +123,14 @@
 			float _CutOff;
 
 			bool _HardBlend = false;
+			bool _NoOuterClip = false;
 
 			fixed4 frag(v2f IN) : SV_Target
 			{
 				half4 color = (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd) * IN.color;
 
 				// Do we want to clip the image to the Mask Rectangle?
-				if (IN.texcoord.x < _Min.x || IN.texcoord.x > _Max.x || IN.texcoord.y < _Min.y || IN.texcoord.y > _Max.y) // Yes we do
+				if (!_NoOuterClip && (IN.texcoord.x < _Min.x || IN.texcoord.x > _Max.x || IN.texcoord.y < _Min.y || IN.texcoord.y > _Max.y)) // Yes we do
 					color.a = 0;
 				else // It's in the mask rectangle, so apply the alpha of the mask provided.
 				{
@@ -143,7 +147,8 @@
 					if (_FlipAlphaMask == 1)
 						a = 1 - a;
 
-					color.a = a;
+					if(!(IN.texcoord.x < _Min.x || IN.texcoord.x > _Max.x || IN.texcoord.y < _Min.y || IN.texcoord.y > _Max.y))
+						color.a *= a;
 				}
 
 				if (_UseClipRect)

Shaders/SoftMaskShaderText.shader

@@ -91,7 +91,7 @@
 			float _Value;
 			int _LeftToRight;
 
-			bool _HardBlend = false;
+			int _HardBlend = false;
 
 			int _FlipAlphaMask = 0;
 
@@ -122,6 +122,7 @@
 			float2 _Mul;
 
 			float _CutOff;
+			int _NoOuterClip;
 
 			fixed4 frag(v2f IN) : SV_Target
 			{
@@ -134,6 +135,7 @@
 				else // It's in the mask rectangle, so apply the alpha of the mask provided.
 				{
 					float a = tex2D(_AlphaMask, (IN.worldPosition2.xy - _Max) / (_Max-_Min)).a;
+
 					if (a <= _CutOff)
 						a = 0;
 					else
@@ -145,7 +147,8 @@
 					if (_FlipAlphaMask == 1)
 						a = 1 - a;
 
-					color.a = a * color.a;
+					if(!(IN.worldPosition2.x <= _Min.x || IN.worldPosition2.x >= _Max.x || IN.worldPosition2.y <= _Min.y || IN.worldPosition2.y >= _Max.y))
+						color *= a;					
 				}
 
 				if (_UseClipRect)