[unity] Allow SkeletonGraphic runtime atlas.

spine-unity/Assets/Examples/Other Examples/Mix and Match.unity

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+  visorKey: goggles
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spine-unity/Assets/Examples/Scripts/MixAndMatchGraphic.cs

@@ -0,0 +1,134 @@
+/******************************************************************************
+ * 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 Spine.Unity.Modules.AttachmentTools;
+
+namespace Spine.Unity.Examples {
+
+	// This is an example script that shows you how to change images on your skeleton using UnityEngine.Sprites.
+	public class MixAndMatchGraphic : MonoBehaviour {
+
+		#region Inspector
+		[SpineSkin]
+		public string baseSkinName = "base";
+		public Material sourceMaterial; // This will be used as the basis for shader and material property settings.
+
+		[Header("Visor")]
+		public Sprite visorSprite;
+		[SpineSlot] public string visorSlot;
+		[SpineAttachment(slotField:"visorSlot", skinField:"baseSkinName")] public string visorKey = "goggles";
+
+		[Header("Gun")]
+		public Sprite gunSprite;
+		[SpineSlot] public string gunSlot;
+		[SpineAttachment(slotField:"gunSlot", skinField:"baseSkinName")] public string gunKey = "gun";
+
+		[Header("Runtime Repack Required!!")]
+		public bool repack = true;
+
+		[Header("Do not assign")]
+		public Texture2D runtimeAtlas;
+		public Material runtimeMaterial;
+		#endregion
+
+		Skin customSkin;
+
+		void OnValidate () {
+			if (sourceMaterial == null) {
+				var skeletonGraphic = GetComponent<SkeletonGraphic>();
+				if (skeletonGraphic != null)
+					sourceMaterial = skeletonGraphic.SkeletonDataAsset.atlasAssets[0].materials[0];
+			}
+		}
+
+		void Start () {
+			Apply();
+		}
+
+		void Apply () {
+			var skeletonGraphic = GetComponent<SkeletonGraphic>();
+			var skeleton = skeletonGraphic.Skeleton;
+
+			// STEP 0: PREPARE SKINS
+			// Let's prepare a new skin to be our custom skin with equips/customizations. We get a clone so our original skins are unaffected.
+			customSkin = customSkin ?? new Skin("custom skin"); // This requires that all customizations are done with skin placeholders defined in Spine.
+			//customSkin = customSkin ?? skeleton.UnshareSkin(true, false, skeletonAnimation.AnimationState); // use this if you are not customizing on the default skin and don't plan to remove 
+			// Next let's 
+			var baseSkin = skeleton.Data.FindSkin(baseSkinName);
+
+			// STEP 1: "EQUIP" ITEMS USING SPRITES
+			// STEP 1.1 Find the original attachment.
+			// Step 1.2 Get a clone of the original attachment.
+			// Step 1.3 Apply the Sprite image to it.
+			// Step 1.4 Add the remapped clone to the new custom skin.
+
+			// Let's do this for the visor.
+			int visorSlotIndex = skeleton.FindSlotIndex(visorSlot); // You can access GetAttachment and SetAttachment via string, but caching the slotIndex is faster.
+			Attachment baseAttachment = baseSkin.GetAttachment(visorSlotIndex, visorKey);  // STEP 1.1
+			Attachment newAttachment = baseAttachment.GetRemappedClone(visorSprite, sourceMaterial); // STEP 1.2 - 1.3
+			customSkin.SetAttachment(visorSlotIndex, visorKey, newAttachment); // STEP 1.4
+
+			// And now for the gun.
+			int gunSlotIndex = skeleton.FindSlotIndex(gunSlot);
+			Attachment baseGun = baseSkin.GetAttachment(gunSlotIndex, gunKey); // STEP 1.1
+			Attachment newGun = baseGun.GetRemappedClone(gunSprite, sourceMaterial); // STEP 1.2 - 1.3
+			if (newGun != null) customSkin.SetAttachment(gunSlotIndex, gunKey, newGun); // STEP 1.4
+
+			// customSkin.RemoveAttachment(gunSlotIndex, gunKey); // To remove an item.
+			// customSkin.Clear()
+			// Use skin.Clear() To remove all customizations.
+			// Customizations will fall back to the value in the default skin if it was defined there.
+			// To prevent fallback from happening, make sure the key is not defined in the default skin.
+
+			// STEP 3: APPLY AND CLEAN UP.
+			// Recommended: REPACK THE CUSTOM SKIN TO MINIMIZE DRAW CALLS
+			// 				Repacking requires that you set all source textures/sprites/atlases to be Read/Write enabled in the inspector.
+			// 				Combine all the attachment sources into one skin. Usually this means the default skin and the custom skin.
+			// 				call Skin.GetRepackedSkin to get a cloned skin with cloned attachments that all use one texture.
+			//				Under the hood, this relies on 
+			if (repack)	{
+				var repackedSkin = new Skin("repacked skin");
+				repackedSkin.Append(skeleton.Data.DefaultSkin);
+				repackedSkin.Append(customSkin);
+				repackedSkin = repackedSkin.GetRepackedSkin("repacked skin", sourceMaterial, out runtimeMaterial, out runtimeAtlas);
+				skeleton.SetSkin(repackedSkin);
+			} else {
+				skeleton.SetSkin(customSkin);
+			}
+
+			skeleton.SetSlotsToSetupPose();
+			skeletonGraphic.Update(0);
+			skeletonGraphic.OverrideTexture = runtimeAtlas;
+
+			Resources.UnloadUnusedAssets();
+		}
+	}
+}

spine-unity/Assets/Examples/Scripts/MixAndMatchGraphic.cs.meta

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+timeCreated: 1480089275
+licenseType: Free
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spine-unity/Assets/spine-unity/Modules/SkeletonGraphic/SkeletonGraphic.cs

@@ -122,9 +122,11 @@ namespace Spine.Unity {
 
 		#region Internals
 		// This is used by the UI system to determine what to put in the MaterialPropertyBlock.
+		public Texture OverrideTexture { get; set; }
 		public override Texture mainTexture {
 			get { 
 				// Fail loudly when incorrectly set up.
+				if (OverrideTexture != null) return OverrideTexture;
 				return skeletonDataAsset == null ? null : skeletonDataAsset.atlasAssets[0].materials[0].mainTexture;
 			}
 		}