mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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115 lines
4.5 KiB
C#
115 lines
4.5 KiB
C#
/******************************************************************************
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* Spine Runtime Software License - Version 1.1
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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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* Redistribution and use in source and binary forms in whole or in part, with
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* or without modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. A Spine Essential, Professional, Enterprise, or Education License must
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* be purchased from Esoteric Software and the license must remain valid:
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* http://esotericsoftware.com/
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* 2. Redistributions of source code must retain this license, which is the
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* above copyright notice, this declaration of conditions and the following
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* disclaimer.
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* 3. Redistributions in binary form must reproduce this license, which is the
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* above copyright notice, this declaration of conditions and the following
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* disclaimer, in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY 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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY 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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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 THIS
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* SOFTWARE, EVEN IF 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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