[unity] Added warnings when Spine Preferences - Texture Atlas Settings PMA and blend mode materials PMA do not match. Added straight alpha blend modes material templates.

spine-unity/Assets/Spine/Editor/spine-unity/Editor/Windows/SpinePreferences.cs

@@ -216,6 +216,24 @@ namespace Spine.Unity.Editor {
 			return null;
 		}
 
+		private static void ShowBlendModeMaterialProperty (SerializedProperty blendModeMaterialProperty,
+			string blendType, bool isTexturePresetPMA) {
+
+			EditorGUILayout.PropertyField(blendModeMaterialProperty, new GUIContent(blendType + " Material", blendType + " blend mode Material template."));
+			var material = blendModeMaterialProperty.objectReferenceValue as Material;
+			if (material == null)
+				return;
+
+			bool isMaterialPMA = MaterialChecks.IsPMATextureMaterial(material);
+			if (!isTexturePresetPMA && isMaterialPMA) {
+				EditorGUILayout.HelpBox(string.Format("'{0} Material' uses PMA but 'Atlas Texture Settings' uses Straight Alpha. " +
+					"You might want to assign 'SkeletonStraight{0}' instead.", blendType), MessageType.Warning);
+			} else if (isTexturePresetPMA && !isMaterialPMA) {
+				EditorGUILayout.HelpBox(string.Format("'{0} Material' uses Straight Alpha but 'Atlas Texture Settings' uses PMA. " +
+					"You might want to assign 'SkeletonPMA{0}' instead.", blendType), MessageType.Warning);
+			}
+		}
+
 		public static void HandlePreferencesGUI (SerializedObject settings) {
 
 			float prevLabelWidth = EditorGUIUtility.labelWidth;
@@ -254,9 +272,13 @@ namespace Spine.Unity.Editor {
 						}
 					}
 
-					EditorGUILayout.PropertyField(settings.FindProperty("blendModeMaterialAdditive"), new GUIContent("Additive Material", "Additive blend mode Material template."));
-					EditorGUILayout.PropertyField(settings.FindProperty("blendModeMaterialMultiply"), new GUIContent("Multiply Material", "Multiply blend mode Material template."));
-					EditorGUILayout.PropertyField(settings.FindProperty("blendModeMaterialScreen"), new GUIContent("Screen Material", "Screen blend mode Material template."));
+					SerializedProperty blendModeMaterialAdditive = settings.FindProperty("blendModeMaterialAdditive");
+					SerializedProperty blendModeMaterialMultiply = settings.FindProperty("blendModeMaterialMultiply");
+					SerializedProperty blendModeMaterialScreen = settings.FindProperty("blendModeMaterialScreen");
+					bool isTexturePresetPMA = IsPMAWorkflow(textureSettingsRef.stringValue);
+					ShowBlendModeMaterialProperty(blendModeMaterialAdditive, "Additive", isTexturePresetPMA);
+					ShowBlendModeMaterialProperty(blendModeMaterialMultiply, "Multiply", isTexturePresetPMA);
+					ShowBlendModeMaterialProperty(blendModeMaterialScreen, "Screen", isTexturePresetPMA);
 				}
 
 				EditorGUILayout.Space();

spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightAdditive.mat

@@ -0,0 +1,35 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_Name: SkeletonPMAAdditive
+  m_Shader: {fileID: 4800000, guid: 53efa1d97f5d9f74285d4330cda14e36, type: 3}
+  m_ShaderKeywords: 
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - <noninit>:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MainTex:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - <noninit>: 0
+    - _Cutoff: 0.1
+    - _StraightAlphaInput: 0
+    m_Colors:
+    - <noninit>: {r: 0, g: 2.018574, b: 1e-45, a: 0.000007110106}
+    - _Color: {r: 1, g: 1, b: 1, a: 1}

spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightAdditive.mat.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 517c2df5a5dc5d44a8b3820eca503d13
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightMultiply.mat

@@ -0,0 +1,43 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_Name: SkeletonPMAMultiply
+  m_Shader: {fileID: 4800000, guid: 8bdcdc7ee298e594a9c20c61d25c33b6, type: 3}
+  m_ShaderKeywords: 
+  m_LightmapFlags: 4
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  m_SavedProperties:
+    serializedVersion: 2
+    m_TexEnvs:
+    - first:
+        name: <noninit>
+      second:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - first:
+        name: _MainTex
+      second:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - first:
+        name: <noninit>
+      second: 0
+    - first:
+        name: _Cutoff
+      second: 0.1
+    m_Colors:
+    - first:
+        name: <noninit>
+      second: {r: 0, g: 2.018574, b: 1e-45, a: 0.000007110106}
+    - first:
+        name: _Color
+      second: {r: 1, g: 1, b: 1, a: 1}

spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightMultiply.mat.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 053fed1e18e65064ca564f05c4027e1e
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightScreen.mat

@@ -0,0 +1,43 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_Name: SkeletonPMAScreen
+  m_Shader: {fileID: 4800000, guid: 4e8caa36c07aacf4ab270da00784e4d9, type: 3}
+  m_ShaderKeywords: 
+  m_LightmapFlags: 4
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  m_SavedProperties:
+    serializedVersion: 2
+    m_TexEnvs:
+    - first:
+        name: <noninit>
+      second:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - first:
+        name: _MainTex
+      second:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - first:
+        name: <noninit>
+      second: 0
+    - first:
+        name: _Cutoff
+      second: 0.1
+    m_Colors:
+    - first:
+        name: <noninit>
+      second: {r: 0, g: 2.018574, b: 1e-45, a: 0.000007121922}
+    - first:
+        name: _Color
+      second: {r: 1, g: 1, b: 1, a: 1}

spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightScreen.mat.meta

@@ -0,0 +1,8 @@
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+guid: 1a66c2d7ee7642a459bd3831abeb30af
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 0
+  userData: 
+  assetBundleName: 
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