mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-05 06:44:56 +08:00
112 lines
4.4 KiB
C#
112 lines
4.4 KiB
C#
/******************************************************************************
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* Spine Runtimes Software License
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* Version 2.1
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*
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* Copyright (c) 2013, Esoteric Software
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* All rights reserved.
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*
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* You are granted a perpetual, non-exclusive, non-sublicensable and
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* non-transferable license to install, execute and perform the Spine Runtimes
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* Software (the "Software") solely for internal use. Without the written
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* permission of Esoteric Software (typically granted by licensing Spine), you
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* may not (a) modify, translate, adapt or otherwise create derivative works,
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* improvements of the Software or develop new applications using the Software
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* or (b) remove, delete, alter or obscure any trademarks or any copyright,
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* trademark, patent or other intellectual property or proprietary rights
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* notices on or in the Software, including any copy thereof. Redistributions
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* in binary or source form must include this license and terms.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ESOTERIC SOFTARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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using System;
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using UnityEngine;
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using Spine;
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// TODO: handle TPackerCW flip mode (probably not swap uv horizontaly)
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public class SpriteCollectionAttachmentLoader : AttachmentLoader {
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private tk2dSpriteCollectionData sprites;
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public SpriteCollectionAttachmentLoader (tk2dSpriteCollectionData sprites) {
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if (sprites == null)
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throw new ArgumentNullException("sprites cannot be null.");
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this.sprites = sprites;
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}
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public Attachment NewAttachment (Skin skin, AttachmentType type, String name) {
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switch (type) {
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case AttachmentType.region:
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break;
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case AttachmentType.boundingbox:
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return new BoundingBoxAttachment(name);
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default:
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throw new Exception("Unknown attachment type: " + type);
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}
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// Strip folder names.
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int index = name.LastIndexOfAny(new char[] {'/', '\\'});
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if (index != -1)
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name = name.Substring(index + 1);
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tk2dSpriteDefinition def = sprites.inst.GetSpriteDefinition(name);
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if (def == null)
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throw new Exception("Sprite not found in atlas: " + name + " (" + type + ")");
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if (def.complexGeometry)
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throw new NotImplementedException("Complex geometry is not supported: " + name + " (" + type + ")");
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if (def.flipped == tk2dSpriteDefinition.FlipMode.TPackerCW)
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throw new NotImplementedException("Only 2D Toolkit atlases are supported: " + name + " (" + type + ")");
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RegionAttachment attachment = new RegionAttachment(name);
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Vector2 minTexCoords = Vector2.one;
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Vector2 maxTexCoords = Vector2.zero;
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for (int i = 0; i < def.uvs.Length; ++i) {
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Vector2 uv = def.uvs[i];
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minTexCoords = Vector2.Min(minTexCoords, uv);
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maxTexCoords = Vector2.Max(maxTexCoords, uv);
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}
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bool rotated = def.flipped == tk2dSpriteDefinition.FlipMode.Tk2d;
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if (rotated) {
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float temp = minTexCoords.x;
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minTexCoords.x = maxTexCoords.x;
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maxTexCoords.x = temp;
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}
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attachment.SetUVs(
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minTexCoords.x,
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maxTexCoords.y,
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maxTexCoords.x,
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minTexCoords.y,
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rotated
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);
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attachment.RegionOriginalWidth = (int)(def.untrimmedBoundsData[1].x / def.texelSize.x);
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attachment.RegionOriginalHeight = (int)(def.untrimmedBoundsData[1].y / def.texelSize.y);
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attachment.RegionWidth = (int)(def.boundsData[1].x / def.texelSize.x);
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attachment.RegionHeight = (int)(def.boundsData[1].y / def.texelSize.y);
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float x0 = def.untrimmedBoundsData[0].x - def.untrimmedBoundsData[1].x / 2;
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float x1 = def.boundsData[0].x - def.boundsData[1].x / 2;
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attachment.RegionOffsetX = (int)((x1 - x0) / def.texelSize.x);
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float y0 = def.untrimmedBoundsData[0].y - def.untrimmedBoundsData[1].y / 2;
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float y1 = def.boundsData[0].y - def.boundsData[1].y / 2;
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attachment.RegionOffsetY = (int)((y1 - y0) / def.texelSize.y);
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attachment.RendererObject = def.material;
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return attachment;
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}
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}
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