import { AnimationClip } from './AnimationClip';
import { AnimationAction } from './AnimationAction';
import { AnimationBlendMode } from '../constants';
import { EventDispatcher } from './../core/EventDispatcher';
import { Object3D } from '../core/Object3D';
import { AnimationObjectGroup } from './AnimationObjectGroup';

export class AnimationMixer extends EventDispatcher {
	constructor(root: Object3D | AnimationObjectGroup);

	/**
	 * @default 0
	 */
	time: number;

	/**
	 * @default 1.0
	 */
	timeScale: number;

	clipAction(clip: AnimationClip, root?: Object3D | AnimationObjectGroup, blendMode?: AnimationBlendMode): AnimationAction;
	existingAction(clip: AnimationClip, root?: Object3D | AnimationObjectGroup): AnimationAction | null;
	stopAllAction(): AnimationMixer;
	update(deltaTime: number): AnimationMixer;
	setTime(timeInSeconds: number): AnimationMixer;
	getRoot(): Object3D | AnimationObjectGroup;
	uncacheClip(clip: AnimationClip): void;
	uncacheRoot(root: Object3D | AnimationObjectGroup): void;
	uncacheAction(clip: AnimationClip, root?: Object3D | AnimationObjectGroup): void;
}