Method setSkeleton

packages/spine-plugin/src/Spine.js:210–256

* Set and load the given skeleton atlas and json definition files. * (use this if you did not specify any json or atlas through the constructor) * @param {string} atlasFile - the name of the atlasFile to be used to create this spine animation * @param {string} jsonFile - the name of the jsonFi

(atlasFile, jsonFile)

	 * me.game.world.addChild(spineAlien);
	 */
	setSkeleton(atlasFile, jsonFile) {
		// Create the texture atlas and skeleton data.
		const atlas = this.plugin.assetManager.require(atlasFile);
		const atlasLoader = new this.runtime.AtlasAttachmentLoader(atlas);
		// pick the binary or json reader based on file extension — the asset
		// manager already loads .skel as a Uint8Array and .json as text, so
		// we just need to dispatch to the matching SkeletonReader
		const isBinary = jsonFile.endsWith(".skel");
		const skeletonReader = isBinary
			? new this.runtime.SkeletonBinary(atlasLoader)
			: new this.runtime.SkeletonJson(atlasLoader);
		const skeletonData = skeletonReader.readSkeletonData(
			this.plugin.assetManager.require(jsonFile),
		);

		// detect premultiplied alpha from atlas pages
		this.premultipliedAlpha = atlas.pages.some((page) => {
			return page.pma;
		});
		this.skeletonRenderer.premultipliedAlpha = this.premultipliedAlpha;

		// Instantiate a new skeleton based on the atlas and skeleton data.
		this.skeleton = new this.runtime.Skeleton(skeletonData);

		// auto-detect if the skeleton uses mesh attachments for canvas renderer
		if (!this.isWebGL) {
			this.skeletonRenderer.triangleRendering = skeletonData.skins.some(
				(skin) => {
					return skin.getAttachments().some((entry) => {
						return entry.attachment instanceof MeshAttachment;
					});
				},
			);
		}

		this.setToSetupPose();

		// Setup an animation state with a default mix of 0.2 seconds.
		const animationStateData = new this.runtime.AnimationStateData(
			this.skeleton.data,
		);
		animationStateData.defaultMix = this.mixTime;
		this.animationState = new this.runtime.AnimationState(animationStateData);

		// get a reference to the root bone
		this.root = this.skeleton.getRootBone();
	}

	/**
	 * Flip the Spine skeleton on the horizontal axis (around its root bone).