import { Object3D } from './../../core/Object3D';
import { Material } from './../../materials/Material';
import { WebGLProgram } from './WebGLProgram';
import { Group } from './../../objects/Group';
import { Scene } from './../../scenes/Scene';
import { Camera } from './../../cameras/Camera';
import { BufferGeometry } from '../../core/BufferGeometry';
import { WebGLProperties } from './WebGLProperties';

export interface RenderItem {
	id: number;
	object: Object3D;
	geometry: BufferGeometry | null;
	material: Material;
	program: WebGLProgram;
	groupOrder: number;
	renderOrder: number;
	z: number;
	group: Group | null;
}

export class WebGLRenderList {
	constructor(properties: WebGLProperties);

	/**
	 * @default []
	 */
	opaque: RenderItem[];

	/**
	 * @default []
	 */
	transparent: RenderItem[];

	/**
	 * @default []
	 */
	transmissive: RenderItem[];

	init(): void;
	push(object: Object3D, geometry: BufferGeometry | null, material: Material, groupOrder: number, z: number, group: Group | null): void;
	unshift(object: Object3D, geometry: BufferGeometry | null, material: Material, groupOrder: number, z: number, group: Group | null): void;
	sort(opaqueSort: (a: any, b: any) => number, transparentSort: (a: any, b: any) => number): void;
	finish(): void;
}

export class WebGLRenderLists {
	constructor(properties: WebGLProperties);

	dispose(): void;
	get(scene: Scene, renderCallDepth: number): WebGLRenderList;
}