/******************************************************************************
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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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#if SPINE_TK2D
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using Spine;
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using System;
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using UnityEngine;
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// MITCH: handle TPackerCW flip mode (probably not swap uv horizontaly)
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namespace Spine.Unity.TK2D {
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public class SpriteCollectionAttachmentLoader : AttachmentLoader {
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private tk2dSpriteCollectionData sprites;
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private float u, v, u2, v2;
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private bool regionRotated;
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private float regionOriginalWidth, regionOriginalHeight;
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private float regionWidth, regionHeight;
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private float regionOffsetX, regionOffsetY;
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private Material material;
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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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private AtlasRegion ProcessSpriteDefinition (String name) {
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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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Debug.Log("Sprite not found in atlas: " + name, sprites);
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throw new Exception("Sprite not found in atlas: " + name);
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}
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if (def.complexGeometry)
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throw new NotImplementedException("Complex geometry is not supported: " + name);
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if (def.flipped == tk2dSpriteDefinition.FlipMode.TPackerCW)
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throw new NotImplementedException("Only 2D Toolkit atlases are supported: " + name);
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Vector2 minTexCoords = Vector2.one, 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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regionRotated = def.flipped == tk2dSpriteDefinition.FlipMode.Tk2d;
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if (regionRotated) {
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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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u = minTexCoords.x;
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v = maxTexCoords.y;
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u2 = maxTexCoords.x;
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v2 = minTexCoords.y;
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regionOriginalWidth = (int)(def.untrimmedBoundsData[1].x / def.texelSize.x);
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regionOriginalHeight = (int)(def.untrimmedBoundsData[1].y / def.texelSize.y);
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regionWidth = (int)(def.boundsData[1].x / def.texelSize.x);
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regionHeight = (int)(def.boundsData[1].y / def.texelSize.y);
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if (regionRotated) {
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float tempSwap = regionWidth;
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regionWidth = regionHeight;
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regionHeight = tempSwap;
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}
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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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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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regionOffsetY = (int)((y1 - y0) / def.texelSize.y);
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material = def.materialInst;
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AtlasRegion region = new AtlasRegion();
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region.name = name;
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AtlasPage page = new AtlasPage();
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page.rendererObject = material;
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region.page = page;
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region.u = u;
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region.v = v;
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region.u2 = u2;
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region.v2 = v2;
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region.rotate = regionRotated;
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region.degrees = regionRotated ? 90 : 0;
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region.originalWidth = (int)regionOriginalWidth;
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region.originalHeight = (int)regionOriginalHeight;
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region.width = (int)regionWidth;
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region.height = (int)regionHeight;
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region.offsetX = regionOffsetX;
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region.offsetY = regionOffsetY;
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return region;
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}
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private void LoadSequence (string name, string basePath, Sequence sequence) {
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TextureRegion[] regions = sequence.Regions;
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for (int i = 0, n = regions.Length; i < n; i++) {
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string path = sequence.GetPath(basePath, i);
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regions[i] = ProcessSpriteDefinition(path);
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if (regions[i] == null) throw new ArgumentException(string.Format("Region not found in atlas: {0} (region attachment: {1})", path, name));
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}
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}
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public RegionAttachment NewRegionAttachment (Skin skin, String name, String path, Sequence sequence) {
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RegionAttachment attachment = new RegionAttachment(name);
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if (sequence != null)
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LoadSequence(name, path, sequence);
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else {
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AtlasRegion region = ProcessSpriteDefinition(path);
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if (region == null)
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throw new ArgumentException(string.Format("Region not found in atlas: {0} (region attachment: {1})", path, name));
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attachment.Region = region;
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attachment.Path = path;
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}
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return attachment;
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}
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public MeshAttachment NewMeshAttachment (Skin skin, String name, String path, Sequence sequence) {
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MeshAttachment attachment = new MeshAttachment(name);
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if (sequence != null)
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LoadSequence(name, path, sequence);
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else {
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AtlasRegion region = ProcessSpriteDefinition(path);
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if (region == null)
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throw new ArgumentException(string.Format("Region not found in atlas: {0} (region attachment: {1})", path, name));
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attachment.Region = region;
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attachment.Path = path;
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}
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return attachment;
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}
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public BoundingBoxAttachment NewBoundingBoxAttachment (Skin skin, String name) {
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return new BoundingBoxAttachment(name);
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}
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public PathAttachment NewPathAttachment (Skin skin, string name) {
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return new PathAttachment(name);
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}
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public PointAttachment NewPointAttachment (Skin skin, string name) {
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return new PointAttachment(name);
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}
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public ClippingAttachment NewClippingAttachment (Skin skin, string name) {
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return new ClippingAttachment(name);
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}
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}
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}
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#endif
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