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

Open-source WebGL/WebGPU 3D engine for the web

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 {
	constructor(app) {
		super(app, "animclip");
	}
	load(url, callback) {
		if (typeof url === "string") {
			url = {
				load: url,
				original: url
			};
		}
		const 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) {
		const name = data.name;
		const duration = data.duration;
		const inputs = data.inputs.map((input) => {
			return new AnimData(1, input);
		});
		const outputs = data.outputs.map((output) => {
			return new AnimData(output.components, output.data);
		});
		const curves = data.curves.map((curve) => {
			return new AnimCurve(
				[curve.path],
				curve.inputIndex,
				curve.outputIndex,
				curve.interpolation
			);
		});
		return new AnimTrack(
			name,
			duration,
			inputs,
			outputs,
			curves
		);
	}
}
export {
	AnimClipHandler
};