81 lines
2.0 KiB
JavaScript
81 lines
2.0 KiB
JavaScript
import GraphicSet from "../../js/GraphicSet.js";
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import Setting from "../../js/Setting.js";
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export default class Tileset
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{
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/**
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* @param {number} setId
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*/
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constructor(setId)
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{
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/** @type {number} */
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this.setId = setId;
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/** @type {Image} */
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this.image = new Image();
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this.image.src = '../' + Setting.TILESET_LOCATION + GraphicSet[this.setId].tileset;
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/** @type {number} */
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this.tiles = GraphicSet[this.setId].tiles;
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/** @type {number} */
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this.scale = GraphicSet[this.setId].scale;
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/** @type {number} */
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this.primaryTiles = GraphicSet[this.setId].primaryTiles;
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/** @type {{image: Image, tiles: number, scale: number}|null} */
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this.background = null;
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if (GraphicSet[this.setId].tilesetBackground !== null) {
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const backgroundImage = new Image();
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backgroundImage.src = '../' + Setting.TILESET_LOCATION +
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GraphicSet[this.setId].tilesetBackground.path;
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this.background = {
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image: backgroundImage,
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tiles: GraphicSet[this.setId].tilesetBackground.tiles,
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scale: GraphicSet[this.setId].tilesetBackground.scale,
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};
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}
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}
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/** @returns {number} */
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getWidth()
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{
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return this.image.width * this.scale;
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}
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/** @returns {number} */
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getHeight()
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{
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return this.image.height * this.scale;
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}
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/** @returns {number} */
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getTileWidth()
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{
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return this.image.width / this.tiles * this.scale;
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}
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/** @returns {number} */
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getTileHeight()
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{
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return this.image.height * this.scale;
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}
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/** @returns {boolean} */
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hasExtendedTiles()
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{
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return GraphicSet[this.setId].tiles > GraphicSet[this.setId].primaryTiles ;
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}
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/** @returns {number} */
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getTileIndexFactor(code)
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{
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const CODES = ['ltr', 't', 'r', 'b', 'l', 'lt', 'tr', 'ltb', 'tb', 'trb', 'lb', 'rb', 'ltrb', 'lr', 'lrb'];
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return CODES.indexOf(code) + 1;
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}
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}
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