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Assets/Spine Examples/Scripts/Sample Components/Legacy/AtlasRegionAttacher.cs

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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated January 1, 2020. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2020, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "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 LLC 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
+ * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+using Spine;
+using Spine.Unity.AttachmentTools;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Spine.Unity.Examples {
+	/// <summary>
+	/// Example code for a component that replaces the default attachment of a slot with an image from a Spine atlas.</summary>
+	public class AtlasRegionAttacher : MonoBehaviour {
+
+		[System.Serializable]
+		public class SlotRegionPair {
+			[SpineSlot] public string slot;
+			[SpineAtlasRegion] public string region;
+		}
+
+		[SerializeField] protected SpineAtlasAsset atlasAsset;
+		[SerializeField] protected bool inheritProperties = true;
+		[SerializeField] protected List<SlotRegionPair> attachments = new List<SlotRegionPair>();
+
+		Atlas atlas;
+
+		void Awake () {
+			var skeletonRenderer = GetComponent<SkeletonRenderer>();
+			skeletonRenderer.OnRebuild += Apply;
+			if (skeletonRenderer.valid) Apply(skeletonRenderer);
+		}
+
+		void Apply (SkeletonRenderer skeletonRenderer) {
+			if (!this.enabled) return;
+
+			atlas = atlasAsset.GetAtlas();
+			if (atlas == null) return;
+			float scale = skeletonRenderer.skeletonDataAsset.scale;
+
+			foreach (var entry in attachments) {
+				Slot slot = skeletonRenderer.Skeleton.FindSlot(entry.slot);
+				Attachment originalAttachment = slot.Attachment;
+				AtlasRegion region = atlas.FindRegion(entry.region);
+
+				if (region == null) {
+					slot.Attachment = null;
+				} else if (inheritProperties && originalAttachment != null) {
+					slot.Attachment = originalAttachment.GetRemappedClone(region, true, true, scale);
+				} else {
+					var newRegionAttachment = region.ToRegionAttachment(region.name, scale);
+					slot.Attachment = newRegionAttachment;
+				}
+			}
+		}
+	}
+}

Assets/Spine Examples/Scripts/Sample Components/Legacy/AtlasRegionAttacher.cs.meta

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+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Spine Examples/Scripts/Sample Components/Legacy/SpriteAttacher.cs

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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated January 1, 2020. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2020, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "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 LLC 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
+ * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+// Original Contribution by: Mitch Thompson
+
+using Spine.Unity.AttachmentTools;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Spine.Unity.Examples {
+	public class SpriteAttacher : MonoBehaviour {
+		public const string DefaultPMAShader = "Spine/Skeleton";
+		public const string DefaultStraightAlphaShader = "Sprites/Default";
+
+		#region Inspector
+		public bool attachOnStart = true;
+		public bool overrideAnimation = true;
+		public Sprite sprite;
+		[SpineSlot] public string slot;
+		#endregion
+
+#if UNITY_EDITOR
+		void OnValidate () {
+			var skeletonComponent = GetComponent<ISkeletonComponent>();
+			var skeletonRenderer = skeletonComponent as SkeletonRenderer;
+			bool applyPMA;
+
+			if (skeletonRenderer != null) {
+				applyPMA = skeletonRenderer.pmaVertexColors;
+			} else {
+				var skeletonGraphic = skeletonComponent as SkeletonGraphic;
+				applyPMA = skeletonGraphic != null && skeletonGraphic.MeshGenerator.settings.pmaVertexColors;
+			}
+
+			if (applyPMA) {
+				try {
+					if (sprite == null)
+						return;
+					sprite.texture.GetPixel(0, 0);
+				} catch (UnityException e) {
+					Debug.LogFormat("Texture of {0} ({1}) is not read/write enabled. SpriteAttacher requires this in order to work with a SkeletonRenderer that renders premultiplied alpha. Please check the texture settings.", sprite.name, sprite.texture.name);
+					UnityEditor.EditorGUIUtility.PingObject(sprite.texture);
+					throw e;
+				}
+			}
+		}
+#endif
+
+		RegionAttachment attachment;
+		Slot spineSlot;
+		bool applyPMA;
+
+		static Dictionary<Texture, AtlasPage> atlasPageCache;
+		static AtlasPage GetPageFor (Texture texture, Shader shader) {
+			if (atlasPageCache == null) atlasPageCache = new Dictionary<Texture, AtlasPage>();
+			AtlasPage atlasPage;
+			atlasPageCache.TryGetValue(texture, out atlasPage);
+			if (atlasPage == null) {
+				var newMaterial = new Material(shader);
+				atlasPage = newMaterial.ToSpineAtlasPage();
+				atlasPageCache[texture] = atlasPage;
+			}
+			return atlasPage;
+		}
+
+		void Start () {
+			// Initialize slot and attachment references.
+			Initialize(false);
+
+			if (attachOnStart)
+				Attach();
+		}
+
+		void AnimationOverrideSpriteAttach (ISkeletonAnimation animated) {
+			if (overrideAnimation && isActiveAndEnabled)
+				Attach();
+		}
+
+		public void Initialize (bool overwrite = true) {
+			if (overwrite || attachment == null) {
+				// Get the applyPMA value.
+				var skeletonComponent = GetComponent<ISkeletonComponent>();
+				var skeletonRenderer = skeletonComponent as SkeletonRenderer;
+				if (skeletonRenderer != null)
+					this.applyPMA = skeletonRenderer.pmaVertexColors;
+				else {
+					var skeletonGraphic = skeletonComponent as SkeletonGraphic;
+					if (skeletonGraphic != null)
+						this.applyPMA = skeletonGraphic.MeshGenerator.settings.pmaVertexColors;
+				}
+
+				// Subscribe to UpdateComplete to override animation keys.
+				if (overrideAnimation) {
+					var animatedSkeleton = skeletonComponent as ISkeletonAnimation;
+					if (animatedSkeleton != null) {
+						animatedSkeleton.UpdateComplete -= AnimationOverrideSpriteAttach;
+						animatedSkeleton.UpdateComplete += AnimationOverrideSpriteAttach;
+					}
+				}
+
+				spineSlot = spineSlot ?? skeletonComponent.Skeleton.FindSlot(slot);
+				Shader attachmentShader = applyPMA ? Shader.Find(DefaultPMAShader) : Shader.Find(DefaultStraightAlphaShader);
+				if (sprite == null)
+					attachment = null;
+				else
+					attachment = applyPMA ? sprite.ToRegionAttachmentPMAClone(attachmentShader) : sprite.ToRegionAttachment(SpriteAttacher.GetPageFor(sprite.texture, attachmentShader));
+			}
+		}
+
+		void OnDestroy () {
+			var animatedSkeleton = GetComponent<ISkeletonAnimation>();
+			if (animatedSkeleton != null)
+				animatedSkeleton.UpdateComplete -= AnimationOverrideSpriteAttach;
+		}
+
+		/// <summary>Update the slot's attachment to the Attachment generated from the sprite.</summary>
+		public void Attach () {
+			if (spineSlot != null)
+				spineSlot.Attachment = attachment;
+		}
+
+	}
+
+
+	public static class SpriteAttachmentExtensions {
+		[System.Obsolete]
+		public static RegionAttachment AttachUnitySprite (this Skeleton skeleton, string slotName, Sprite sprite, string shaderName = SpriteAttacher.DefaultPMAShader, bool applyPMA = true, float rotation = 0f) {
+			return skeleton.AttachUnitySprite(slotName, sprite, Shader.Find(shaderName), applyPMA, rotation: rotation);
+		}
+
+		[System.Obsolete]
+		public static RegionAttachment AddUnitySprite (this SkeletonData skeletonData, string slotName, Sprite sprite, string skinName = "", string shaderName = SpriteAttacher.DefaultPMAShader, bool applyPMA = true, float rotation = 0f) {
+			return skeletonData.AddUnitySprite(slotName, sprite, skinName, Shader.Find(shaderName), applyPMA, rotation: rotation);
+		}
+
+		[System.Obsolete]
+		public static RegionAttachment AttachUnitySprite (this Skeleton skeleton, string slotName, Sprite sprite, Shader shader, bool applyPMA, float rotation = 0f) {
+			RegionAttachment att = applyPMA ? sprite.ToRegionAttachmentPMAClone(shader, rotation: rotation) : sprite.ToRegionAttachment(new Material(shader), rotation: rotation);
+			skeleton.FindSlot(slotName).Attachment = att;
+			return att;
+		}
+
+		[System.Obsolete]
+		public static RegionAttachment AddUnitySprite (this SkeletonData skeletonData, string slotName, Sprite sprite, string skinName, Shader shader, bool applyPMA, float rotation = 0f) {
+			RegionAttachment att = applyPMA ? sprite.ToRegionAttachmentPMAClone(shader, rotation: rotation) : sprite.ToRegionAttachment(new Material(shader), rotation);
+
+			var slotIndex = skeletonData.FindSlot(slotName).Index;
+			Skin skin = skeletonData.DefaultSkin;
+			if (skinName != "")
+				skin = skeletonData.FindSkin(skinName);
+
+			if (skin != null)
+				skin.SetAttachment(slotIndex, att.Name, att);
+
+			return att;
+		}
+	}
+}

Assets/Spine Examples/Scripts/Sample Components/Legacy/SpriteAttacher.cs.meta

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