Method constructor

packages/spine-plugin/src/AssetManager.js:17–62

* @param {CanvasRenderer|WebGLRenderer} renderer - a melonJS renderer instance * @param {string} [pathPrefix=""] - a default path prefix for assets location

(renderer, pathPrefix = "")

	 * @param {string} [pathPrefix=""] - a default path prefix for assets location
	 */
	constructor(renderer, pathPrefix = "") {
		/**
		 * the underlying Spine asset manager
		 * @ignore
		 */
		this.spineAssetManager =
			renderer.WebGLVersion >= 1
				? new spineWebGL.AssetManager(
						// the shared canvas-backed managed context, so loaded
						// GLTextures survive a WebGL context loss
						getManagedContext(renderer.getCanvas()),
						pathPrefix,
					)
				: new spineCanvas.AssetManager(pathPrefix);

		// register the spine custom parser with the melonJS loader
		loader.setParser("spine", (data, onload, onerror) => {
			const ext = utils.file.getExtension(data.src);
			const basename = utils.file.getBasename(data.src);
			const path = data.src.substring(0, data.src.lastIndexOf("/") + 1);
			const filename = `${basename}.${ext}`;

			this.setPrefix(path);

			switch (ext) {
				case "atlas":
					this.loadTextureAtlas(filename, onload, onerror);
					break;
				case "json":
					this.loadText(filename, onload, onerror);
					break;
				case "skel":
					this.loadBinary(filename, onload, onerror);
					break;
				default:
					if (onerror) {
						onerror(
							`Spine plugin: unknown extension "${ext}" when preloading spine assets`,
						);
					}
					return 0;
			}

			return 1;
		});
	}

	/**
	 * Set a default path prefix for assets location.