[unity] SlotBlendModes module.

spine-unity/Assets/spine-unity/Modules/SlotBlendModes/Editor/SlotBlendModesEditor.cs

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+/******************************************************************************
+ * Spine Runtimes Software License v2.5
+ *
+ * Copyright (c) 2013-2016, Esoteric Software
+ * All rights reserved.
+ *
+ * You are granted a perpetual, non-exclusive, non-sublicensable, and
+ * non-transferable license to use, install, execute, and perform the Spine
+ * Runtimes software and derivative works solely for personal or internal
+ * use. Without the written permission of Esoteric Software (see Section 2 of
+ * the Spine Software License Agreement), you may not (a) modify, translate,
+ * adapt, or develop new applications using the Spine Runtimes or otherwise
+ * create derivative works or improvements of the Spine Runtimes or (b) remove,
+ * delete, alter, or obscure any trademarks or any copyright, trademark, patent,
+ * or other intellectual property or proprietary rights notices on or in the
+ * Software, including any copy thereof. Redistributions in binary or source
+ * form must include this license and terms.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
+ * USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+using UnityEngine;
+using UnityEditor;
+using Spine.Unity.Modules;
+
+namespace Spine.Unity.Editor {
+	using Editor = UnityEditor.Editor;
+
+	public class SlotBlendModesEditor : Editor {
+
+		[MenuItem("CONTEXT/SkeletonRenderer/Add Slot Blend Modes Component")]
+		static void AddSlotBlendModesComponent (MenuCommand command) {
+			var skeletonRenderer = (SkeletonRenderer)command.context;
+			skeletonRenderer.gameObject.AddComponent<SlotBlendModes>();
+		}
+	}
+}
+

spine-unity/Assets/spine-unity/Modules/SlotBlendModes/SkeletonPMAMultiply.mat

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+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_Name: SkeletonPMAMultiply
+  m_Shader: {fileID: 4800000, guid: 8bdcdc7ee298e594a9c20c61d25c33b6, type: 3}
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+      second: {r: 1, g: 1, b: 1, a: 1}

spine-unity/Assets/spine-unity/Modules/SlotBlendModes/SkeletonPMAScreen.mat

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+%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:
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+    m_TexEnvs:
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spine-unity/Assets/spine-unity/Modules/SlotBlendModes/SlotBlendModes.cs

@@ -0,0 +1,152 @@
+/******************************************************************************
+ * Spine Runtimes Software License v2.5
+ *
+ * Copyright (c) 2013-2016, Esoteric Software
+ * All rights reserved.
+ *
+ * You are granted a perpetual, non-exclusive, non-sublicensable, and
+ * non-transferable license to use, install, execute, and perform the Spine
+ * Runtimes software and derivative works solely for personal or internal
+ * use. Without the written permission of Esoteric Software (see Section 2 of
+ * the Spine Software License Agreement), you may not (a) modify, translate,
+ * adapt, or develop new applications using the Spine Runtimes or otherwise
+ * create derivative works or improvements of the Spine Runtimes or (b) remove,
+ * delete, alter, or obscure any trademarks or any copyright, trademark, patent,
+ * or other intellectual property or proprietary rights notices on or in the
+ * Software, including any copy thereof. Redistributions in binary or source
+ * form must include this license and terms.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
+ * USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Spine.Unity.Modules {
+
+	[DisallowMultipleComponent]
+	public class SlotBlendModes : MonoBehaviour {
+
+		#region Internal Material Dictionary
+		public struct MaterialTexturePair {
+			public Texture2D texture2D;
+			public Material material;
+		}
+
+		static Dictionary<MaterialTexturePair, Material> materialTable;
+		internal static Dictionary<MaterialTexturePair, Material> MaterialTable {
+			get {
+				if (materialTable == null) materialTable = new Dictionary<MaterialTexturePair, Material>();
+				return materialTable;
+			}
+		}
+
+		internal static Material GetMaterialFor (Material materialSource, Texture2D texture) {
+			if (materialSource == null || texture == null) return null;
+
+			var mt = SlotBlendModes.MaterialTable;
+			Material m;
+			var key = new MaterialTexturePair {	material = materialSource, texture2D = texture };
+			if (!mt.TryGetValue(key, out m)) {
+				m = new Material(materialSource);
+				m.name = "(Clone)" + texture.name + "-" + materialSource.name;
+				m.mainTexture = texture;
+				mt[key] = m;
+			}
+
+			return m;
+		}
+		#endregion
+
+		#region Inspector
+		public Material multiplyMaterialSource;
+		public Material screenMaterialSource;
+
+		Texture2D texture;
+		#endregion
+
+		public bool Applied { get; private set; }
+
+		void Start () {
+			if (!Applied) Apply();
+		}
+
+		void OnDestroy () {
+			if (Applied) Remove();
+		}
+
+		public void Apply () {
+			GetTexture();
+			if (texture == null) return;
+
+			var skeletonRenderer = GetComponent<SkeletonRenderer>();
+			if (skeletonRenderer == null) return;
+
+			var slotMaterials = skeletonRenderer.CustomSlotMaterials;
+
+			foreach (var s in skeletonRenderer.Skeleton.Slots) {
+				switch (s.data.blendMode) {
+				case BlendMode.Multiply:
+					if (multiplyMaterialSource != null) slotMaterials[s] = GetMaterialFor(multiplyMaterialSource, texture);
+					break;
+				case BlendMode.Screen:
+					if (screenMaterialSource != null) slotMaterials[s] = GetMaterialFor(screenMaterialSource, texture);
+					break;
+				}
+			}
+
+			Applied = true;
+			skeletonRenderer.LateUpdate();
+		}
+
+		public void Remove () {
+			GetTexture();
+			if (texture == null) return;
+
+			var skeletonRenderer = GetComponent<SkeletonRenderer>();
+			if (skeletonRenderer == null) return;
+
+			var slotMaterials = skeletonRenderer.CustomSlotMaterials;
+
+			foreach (var s in skeletonRenderer.Skeleton.Slots) {
+				Material m = null;
+
+				switch (s.data.blendMode) {
+				case BlendMode.Multiply:
+					if (slotMaterials.TryGetValue(s, out m) && Material.ReferenceEquals(m, GetMaterialFor(multiplyMaterialSource, texture)))
+						slotMaterials.Remove(s);
+					break;
+				case BlendMode.Screen:
+					if (slotMaterials.TryGetValue(s, out m) && Material.ReferenceEquals(m, GetMaterialFor(screenMaterialSource, texture)))
+						slotMaterials.Remove(s);
+					break;
+				}
+			}
+
+			Applied = false;
+			skeletonRenderer.LateUpdate();
+		}
+
+		public void GetTexture () {
+			if (texture == null) {
+				var sr = GetComponent<SkeletonRenderer>(); if (sr == null) return;
+				var sda = sr.skeletonDataAsset; if (sda == null) return;
+				var aa = sda.atlasAssets[0]; if (aa == null) return;
+				var am = aa.materials[0]; if (am == null) return;
+				texture = am.mainTexture as Texture2D;
+			}
+		}
+
+
+	}
+}
+