支持spine4.3
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/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated April 5, 2025. Replaces all prior versions.
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*
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* Copyright (c) 2013-2025, 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
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* or 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
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* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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import { TextureFilter, TextureRegion, TextureWrap } from "./Texture.js";
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import { Utils } from "./Utils.js";
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export class TextureAtlas {
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pages = [];
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regions = [];
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constructor(atlasText) {
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const reader = new TextureAtlasReader(atlasText);
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const entry = new Array(4);
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const pageFields = {};
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pageFields.size = (page) => {
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page.width = parseInt(entry[1]);
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page.height = parseInt(entry[2]);
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};
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pageFields.format = () => {
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// page.format = Format[tuple[0]]; we don't need format in WebGL
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};
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pageFields.filter = (page) => {
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page.minFilter = Utils.enumValue(TextureFilter, entry[1]);
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page.magFilter = Utils.enumValue(TextureFilter, entry[2]);
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};
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pageFields.repeat = (page) => {
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if (entry[1].indexOf('x') !== -1)
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page.uWrap = TextureWrap.Repeat;
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if (entry[1].indexOf('y') !== -1)
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page.vWrap = TextureWrap.Repeat;
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};
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pageFields.pma = (page) => {
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page.pma = entry[1] === "true";
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};
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var regionFields = {};
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regionFields.xy = (region) => {
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region.x = parseInt(entry[1]);
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region.y = parseInt(entry[2]);
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};
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regionFields.size = (region) => {
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region.width = parseInt(entry[1]);
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region.height = parseInt(entry[2]);
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};
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regionFields.bounds = (region) => {
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region.x = parseInt(entry[1]);
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region.y = parseInt(entry[2]);
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region.width = parseInt(entry[3]);
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region.height = parseInt(entry[4]);
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};
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regionFields.offset = (region) => {
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region.offsetX = parseInt(entry[1]);
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region.offsetY = parseInt(entry[2]);
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};
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regionFields.orig = (region) => {
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region.originalWidth = parseInt(entry[1]);
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region.originalHeight = parseInt(entry[2]);
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};
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regionFields.offsets = (region) => {
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region.offsetX = parseInt(entry[1]);
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region.offsetY = parseInt(entry[2]);
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region.originalWidth = parseInt(entry[3]);
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region.originalHeight = parseInt(entry[4]);
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};
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regionFields.rotate = (region) => {
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const value = entry[1];
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if (value === "true")
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region.degrees = 90;
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else if (value !== "false")
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region.degrees = parseInt(value);
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};
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regionFields.index = (region) => {
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region.index = parseInt(entry[1]);
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};
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let line = reader.readLine();
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// Ignore empty lines before first entry.
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while (line && line.trim().length === 0)
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line = reader.readLine();
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// Header entries.
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while (true) {
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if (!line || line.trim().length === 0)
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break;
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if (reader.readEntry(entry, line) === 0)
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break; // Silently ignore all header fields.
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line = reader.readLine();
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}
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// Page and region entries.
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let page = null;
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let names = null;
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let values = null;
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while (true) {
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if (line === null)
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break;
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if (line.trim().length === 0) {
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page = null;
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line = reader.readLine();
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}
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else if (!page) {
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page = new TextureAtlasPage(line.trim());
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while (true) {
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if (reader.readEntry(entry, line = reader.readLine()) === 0)
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break;
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const field = pageFields[entry[0]];
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if (field)
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field(page);
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}
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this.pages.push(page);
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}
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else {
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const region = new TextureAtlasRegion(page, line);
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while (true) {
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const count = reader.readEntry(entry, line = reader.readLine());
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if (count === 0)
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break;
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const field = regionFields[entry[0]];
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if (field)
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field(region);
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else {
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if (!names)
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names = [];
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if (!values)
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values = [];
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names.push(entry[0]);
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const entryValues = [];
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for (let i = 0; i < count; i++)
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entryValues.push(parseInt(entry[i + 1]));
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values.push(entryValues);
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}
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}
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if (region.originalWidth === 0 && region.originalHeight === 0) {
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region.originalWidth = region.width;
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region.originalHeight = region.height;
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}
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if (names && names.length > 0 && values && values.length > 0) {
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region.names = names;
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region.values = values;
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names = null;
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values = null;
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}
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region.u = region.x / page.width;
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region.v = region.y / page.height;
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if (region.degrees === 90) {
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region.u2 = (region.x + region.height) / page.width;
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region.v2 = (region.y + region.width) / page.height;
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}
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else {
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region.u2 = (region.x + region.width) / page.width;
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region.v2 = (region.y + region.height) / page.height;
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}
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this.regions.push(region);
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}
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}
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}
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findRegion(name) {
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for (let i = 0; i < this.regions.length; i++) {
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if (this.regions[i].name === name) {
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return this.regions[i];
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}
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}
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return null;
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}
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setTextures(assetManager, pathPrefix = "") {
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for (const page of this.pages)
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page.setTexture(assetManager.get(pathPrefix + page.name));
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}
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dispose() {
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for (let i = 0; i < this.pages.length; i++) {
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this.pages[i].texture?.dispose();
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}
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}
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}
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class TextureAtlasReader {
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lines;
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index = 0;
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constructor(text) {
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this.lines = text.split(/\r\n|\r|\n/);
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}
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readLine() {
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if (this.index >= this.lines.length)
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return null;
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return this.lines[this.index++];
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}
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readEntry(entry, line) {
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if (!line)
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return 0;
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line = line.trim();
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if (line.length === 0)
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return 0;
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const colon = line.indexOf(':');
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if (colon === -1)
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return 0;
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entry[0] = line.substr(0, colon).trim();
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for (let i = 1, lastMatch = colon + 1;; i++) {
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const comma = line.indexOf(',', lastMatch);
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if (comma === -1) {
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entry[i] = line.substr(lastMatch).trim();
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return i;
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}
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entry[i] = line.substr(lastMatch, comma - lastMatch).trim();
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lastMatch = comma + 1;
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if (i === 4)
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return 4;
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}
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}
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}
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export class TextureAtlasPage {
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name;
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minFilter = TextureFilter.Nearest;
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magFilter = TextureFilter.Nearest;
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uWrap = TextureWrap.ClampToEdge;
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vWrap = TextureWrap.ClampToEdge;
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texture = null;
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width = 0;
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height = 0;
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pma = false;
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regions = [];
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constructor(name) {
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this.name = name;
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}
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setTexture(texture) {
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this.texture = texture;
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texture.setFilters(this.minFilter, this.magFilter);
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texture.setWraps(this.uWrap, this.vWrap);
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for (const region of this.regions)
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region.texture = texture;
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}
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}
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export class TextureAtlasRegion extends TextureRegion {
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page;
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name;
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x = 0;
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y = 0;
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offsetX = 0;
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offsetY = 0;
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originalWidth = 0;
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originalHeight = 0;
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index = 0;
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degrees = 0;
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names = null;
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values = null;
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constructor(page, name) {
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super();
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this.page = page;
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this.name = name;
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page.regions.push(this);
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}
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}
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Line truncated
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