119 lines
6.9 KiB
C#
119 lines
6.9 KiB
C#
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated July 28, 2023. Replaces all prior versions.
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*
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* Copyright (c) 2013-2023, Esoteric Software LLC
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*
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* Integration of the Spine Runtimes into software or otherwise creating
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* derivative works of the Spine Runtimes is permitted under the terms and
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* conditions of Section 2 of the Spine Editor License Agreement:
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* http://esotericsoftware.com/spine-editor-license
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*
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* Otherwise, it is permitted to integrate the Spine Runtimes into software or
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* otherwise create derivative works of the Spine Runtimes (collectively,
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* "Products"), provided that each user of the Products must obtain their own
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* Spine Editor license and redistribution of the Products in any form must
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* include this license and copyright notice.
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*
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* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
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* SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace Spine.Unity.AttachmentTools {
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public static class AttachmentCloneExtensions {
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#region RemappedClone Convenience Methods
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/// <summary>
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/// Gets a clone of the attachment remapped with a sprite image.</summary>
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/// <returns>The remapped clone.</returns>
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/// <param name="o">The original attachment.</param>
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/// <param name="sprite">The sprite whose texture to use.</param>
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/// <param name="sourceMaterial">The source material used to copy the shader and material properties from.</param>
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/// <param name="premultiplyAlpha">If <c>true</c>, a premultiply alpha clone of the original texture will be created.
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/// See remarks below for additional info.</param>
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/// <param name="cloneMeshAsLinked">If <c>true</c> MeshAttachments will be cloned as linked meshes and will inherit animation from the original attachment.</param>
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/// <param name="useOriginalRegionSize">If <c>true</c> the size of the original attachment will be followed, instead of using the Sprite size.</param>
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/// <param name="pivotShiftsMeshUVCoords">If <c>true</c> and the original Attachment is a MeshAttachment, then
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/// a non-central sprite pivot will shift uv coords in the opposite direction. Vertices will not be offset in
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/// any case when the original Attachment is a MeshAttachment.</param>
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/// <param name="useOriginalRegionScale">If <c>true</c> and the original Attachment is a RegionAttachment, then
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/// the original region's scale value is used instead of the Sprite's pixels per unit property. Since uniform scale is used,
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/// x scale of the original attachment (width scale) is used, scale in y direction (height scale) is ignored.</param>
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/// <param name="pmaCloneTextureFormat">If <c>premultiplyAlpha</c> is <c>true></c>, the TextureFormat of the
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/// newly created PMA attachment Texture.</param>
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/// <param name="pmaCloneMipmaps">If <c>premultiplyAlpha</c> is <ctrue></c>, whether the newly created
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/// PMA attachment Texture has mipmaps enabled.</param>
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/// <remarks>When parameter <c>premultiplyAlpha</c> is set to <c>true</c>, a premultiply alpha clone of the
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/// original texture will be created. Additionally, this PMA Texture clone is cached for later re-use,
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/// which might steadily increase the Texture memory footprint when used excessively.
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/// See <see cref="AtlasUtilities.ClearCache()"/> on how to clear these cached textures.</remarks>
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public static Attachment GetRemappedClone (this Attachment o, Sprite sprite, Material sourceMaterial,
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bool premultiplyAlpha = true, bool cloneMeshAsLinked = true, bool useOriginalRegionSize = false,
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bool pivotShiftsMeshUVCoords = true, bool useOriginalRegionScale = false,
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TextureFormat pmaCloneTextureFormat = AtlasUtilities.SpineTextureFormat,
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bool pmaCloneMipmaps = AtlasUtilities.UseMipMaps) {
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AtlasRegion atlasRegion = premultiplyAlpha ?
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sprite.ToAtlasRegionPMAClone(sourceMaterial, pmaCloneTextureFormat, pmaCloneMipmaps) :
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sprite.ToAtlasRegion(new Material(sourceMaterial) { mainTexture = sprite.texture });
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if (!pivotShiftsMeshUVCoords && o is MeshAttachment) {
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// prevent non-central sprite pivot setting offsetX/Y and shifting uv coords out of mesh bounds
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atlasRegion.offsetX = 0;
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atlasRegion.offsetY = 0;
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}
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float scale = 1f / sprite.pixelsPerUnit;
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if (useOriginalRegionScale) {
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RegionAttachment regionAttachment = o as RegionAttachment;
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if (regionAttachment != null)
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scale = regionAttachment.Width / regionAttachment.Region.OriginalWidth;
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}
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return o.GetRemappedClone(atlasRegion, cloneMeshAsLinked, useOriginalRegionSize, scale);
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}
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/// <summary>
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/// Gets a clone of the attachment remapped with an atlasRegion image.</summary>
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/// <returns>The remapped clone.</returns>
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/// <param name="o">The original attachment.</param>
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/// <param name="atlasRegion">Atlas region.</param>
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/// <param name="cloneMeshAsLinked">If <c>true</c> MeshAttachments will be cloned as linked meshes and will inherit animation from the original attachment.</param>
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/// <param name="useOriginalRegionSize">If <c>true</c> the size of the original attachment will be followed, instead of using the Sprite size.</param>
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/// <param name="scale">Unity units per pixel scale used to scale the atlas region size when not using the original region size.</param>
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public static Attachment GetRemappedClone (this Attachment o, AtlasRegion atlasRegion, bool cloneMeshAsLinked = true, bool useOriginalRegionSize = false, float scale = 0.01f) {
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RegionAttachment regionAttachment = o as RegionAttachment;
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if (regionAttachment != null) {
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RegionAttachment newAttachment = (RegionAttachment)regionAttachment.Copy();
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newAttachment.Region = atlasRegion;
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if (!useOriginalRegionSize) {
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newAttachment.Width = atlasRegion.width * scale;
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newAttachment.Height = atlasRegion.height * scale;
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}
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newAttachment.UpdateRegion();
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return newAttachment;
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} else {
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MeshAttachment meshAttachment = o as MeshAttachment;
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if (meshAttachment != null) {
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MeshAttachment newAttachment = cloneMeshAsLinked ? meshAttachment.NewLinkedMesh() : (MeshAttachment)meshAttachment.Copy();
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newAttachment.Region = atlasRegion;
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newAttachment.UpdateRegion();
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return newAttachment;
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}
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}
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return o.Copy();
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}
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#endregion
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}
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}
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