playcanvas/build/playcanvas/src/framework/handlers/anim-clip.js

PlayCanvas WebGL game engine

import { Http, http } from '../../platform/net/http.js';
import { AnimCurve } from '../anim/evaluator/anim-curve.js';
import { AnimData } from '../anim/evaluator/anim-data.js';
import { AnimTrack } from '../anim/evaluator/anim-track.js';
import { ResourceHandler } from './handler.js';

class AnimClipHandler extends ResourceHandler {
		load(url, callback) {
				if (typeof url === 'string') {
						url = {
								load: url,
								original: url
						};
				}
				var options = {
						retry: this.maxRetries > 0,
						maxRetries: this.maxRetries
				};
				if (url.load.startsWith('blob:')) {
						options.responseType = Http.ResponseType.JSON;
				}
				http.get(url.load, options, (err, response)=>{
						if (err) {
								callback("Error loading animation clip resource: " + url.original + " [" + err + "]");
						} else {
								callback(null, response);
						}
				});
		}
		open(url, data) {
				var name = data.name;
				var duration = data.duration;
				var inputs = data.inputs.map((input)=>{
						return new AnimData(1, input);
				});
				var outputs = data.outputs.map((output)=>{
						return new AnimData(output.components, output.data);
				});
				var curves = data.curves.map((curve)=>{
						return new AnimCurve([
								curve.path
						], curve.inputIndex, curve.outputIndex, curve.interpolation);
				});
				return new AnimTrack(name, duration, inputs, outputs, curves);
		}
		constructor(app){
				super(app, 'animclip');
		}
}

export { AnimClipHandler };