85 lines
4.8 KiB
C#

/******************************************************************************
* Spine Runtimes License Agreement
* Last updated May 1, 2019. Replaces all prior versions.
*
* Copyright (c) 2013-2019, 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.
*
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*****************************************************************************/
using UnityEngine;
using System.Collections.Generic;
using System.Collections;
namespace Spine.Unity.AttachmentTools {
public static class AttachmentCloneExtensions {
#region RemappedClone Convenience Methods
/// <summary>
/// Gets a clone of the attachment remapped with a sprite image.</summary>
/// <returns>The remapped clone.</returns>
/// <param name="o">The original attachment.</param>
/// <param name="sprite">The sprite whose texture to use.</param>
/// <param name="sourceMaterial">The source material used to copy the shader and material properties from.</param>
/// <param name="premultiplyAlpha">If <c>true</c>, a premultiply alpha clone of the original texture will be created.</param>
/// <param name="cloneMeshAsLinked">If <c>true</c> MeshAttachments will be cloned as linked meshes and will inherit animation from the original attachment.</param>
/// <param name="useOriginalRegionSize">If <c>true</c> the size of the original attachment will be followed, instead of using the Sprite size.</param>
public static Attachment GetRemappedClone (this Attachment o, Sprite sprite, Material sourceMaterial, bool premultiplyAlpha = true, bool cloneMeshAsLinked = true, bool useOriginalRegionSize = false) {
var atlasRegion = premultiplyAlpha ? sprite.ToAtlasRegionPMAClone(sourceMaterial) : sprite.ToAtlasRegion(new Material(sourceMaterial) { mainTexture = sprite.texture } );
return o.GetRemappedClone(atlasRegion, cloneMeshAsLinked, useOriginalRegionSize, 1f/sprite.pixelsPerUnit);
}
/// <summary>
/// Gets a clone of the attachment remapped with an atlasRegion image.</summary>
/// <returns>The remapped clone.</returns>
/// <param name="o">The original attachment.</param>
/// <param name="atlasRegion">Atlas region.</param>
/// <param name="cloneMeshAsLinked">If <c>true</c> MeshAttachments will be cloned as linked meshes and will inherit animation from the original attachment.</param>
/// <param name="useOriginalRegionSize">If <c>true</c> the size of the original attachment will be followed, instead of using the Sprite size.</param>
/// <param name="scale">Unity units per pixel scale used to scale the atlas region size when not using the original region size.</param>
public static Attachment GetRemappedClone (this Attachment o, AtlasRegion atlasRegion, bool cloneMeshAsLinked = true, bool useOriginalRegionSize = false, float scale = 0.01f) {
var regionAttachment = o as RegionAttachment;
if (regionAttachment != null) {
RegionAttachment newAttachment = (RegionAttachment)regionAttachment.Copy();
newAttachment.SetRegion(atlasRegion, false);
if (!useOriginalRegionSize) {
newAttachment.width = atlasRegion.width * scale;
newAttachment.height = atlasRegion.height * scale;
}
newAttachment.UpdateOffset();
return newAttachment;
} else {
var meshAttachment = o as MeshAttachment;
if (meshAttachment != null) {
MeshAttachment newAttachment = cloneMeshAsLinked ? meshAttachment.NewLinkedMesh() : (MeshAttachment)meshAttachment.Copy();
newAttachment.SetRegion(atlasRegion);
return newAttachment;
}
}
return o.Copy();
}
#endregion
}
}