Deprecated AtlasRegionAttacher.cs from Spine-Unity for Spine 3.5

AtlasRegionAttacher.cs

/******************************************************************************
 * 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,
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 * 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
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 *****************************************************************************/

using UnityEngine;
using System.Collections.Generic;
using Spine;
using Spine.Unity.Modules.AttachmentTools;

namespace Spine.Unity.Modules {
	/// <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 AtlasAsset atlasAsset;
		[SerializeField] protected bool inheritProperties = true;
		[SerializeField] protected List<SlotRegionPair> attachments = new List<SlotRegionPair>();

		Atlas atlas;

		void Start () {
			
		}

		void Awake () {
			GetComponent<SkeletonRenderer>().OnRebuild += Apply;
		}

		void Apply (SkeletonRenderer skeletonRenderer) {
			if (!this.enabled) return;
			atlas = atlasAsset.GetAtlas();
			float scale = skeletonRenderer.skeletonDataAsset.scale;

			foreach (var entry in attachments) {
				var slot = skeletonRenderer.Skeleton.FindSlot(entry.slot);
				var region = atlas.FindRegion(entry.region);
				ReplaceAttachment(slot, region, scale, inheritProperties);
			}
		}

		static void ReplaceAttachment (Slot slot, AtlasRegion region, float scale, bool inheritProperties) {
			var originalAttachment = slot.Attachment;

			// Altas was empty
			if (region == null) {
				slot.Attachment = null;
				return;
			}

			// Original was MeshAttachment
			if (inheritProperties) {
				var originalMeshAttachment = originalAttachment as MeshAttachment;
				if (originalMeshAttachment != null) {
					var newMeshAttachment = originalMeshAttachment.GetLinkedClone(); // Attach the region as a linked mesh to the original mesh.
					newMeshAttachment.SetRegion(region);
					slot.Attachment = newMeshAttachment;
					return;
				}
			}

			// Original was RegionAttachment or empty
			{
				var originalRegionAttachment = originalAttachment as RegionAttachment;
				var newRegionAttachment = region.ToRegionAttachment(region.name, scale);
				if (originalRegionAttachment != null && inheritProperties) {
					newRegionAttachment.X = originalRegionAttachment.X;
					newRegionAttachment.Y = originalRegionAttachment.Y;
					newRegionAttachment.Rotation = originalRegionAttachment.Rotation;
					newRegionAttachment.ScaleX = originalRegionAttachment.ScaleX;
					newRegionAttachment.ScaleY = originalRegionAttachment.ScaleY;
					newRegionAttachment.UpdateOffset();

					newRegionAttachment.R = originalRegionAttachment.R;
					newRegionAttachment.G = originalRegionAttachment.G;
					newRegionAttachment.B = originalRegionAttachment.B;
					newRegionAttachment.A = originalRegionAttachment.A;
				}

				slot.Attachment = newRegionAttachment;
				return;
			}

		}

	}
}