<!-- NEW7 — TEST 7 · THE WOVEN CITY · part 377 -->
inactive renderItems in the list

		for ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {

			const renderItem = renderItems[ i ];

			if ( renderItem.id === null ) break;

			renderItem.id = null;
			renderItem.object = null;
			renderItem.geometry = null;
			renderItem.material = null;
			renderItem.group = null;

		}

	}

	return {

		opaque: opaque,
		transmissive: transmissive,
		transparent: transparent,

		init: init,
		push: push,
		unshift: unshift,
		finish: finish,

		sort: sort
	};

}

function WebGLRenderLists() {

	let lists = new WeakMap();

	function get( scene, renderCallDepth ) {

		const listArray = lists.get( scene );
		let list;

		if ( listArray === undefined ) {

			list = new WebGLRenderList();
			lists.set( scene, [ list ] );

		} else {

			if ( renderCallDepth >= listArray.length ) {

				list = new WebGLRenderList();
				listArray.push( list );

			} else {

				list = listArray[ renderCallDepth ];

			}

		}

		return list;

	}

	function dispose() {

		lists = new WeakMap();

	}

	return {
		get: get,
		dispose: dispose
	};

}

function UniformsCache() {

	const lights = {};

	return {

		get: function ( light ) {

			if ( lights[ light.id ] !== undefined ) {

				return lights[ light.id ];

			}

			let uniforms;

			switch ( light.type ) {

				case 'SunLight':
				case 'DirectionalLight':
					uniforms = {
						direction: new Vector3(),
						color: new Color()
					};
					break;

				case 'SpotLight':
					uniforms = {
						position: new Vector3(),
						direction: new Vector3(),
						color: new Color(),
						distance: 0,
						coneCos: 0,
						penumbraCos: 0,
						decay: 0
					};
					break;

				case 'PointLight':
					uniforms = {
						position: new Vector3(),
						color: new Color(),
						distance: 0,
						decay: 0
					};
					break;

				case 'HemisphereLight':
					uniforms = {
						direction: new Vector3(),
						skyColor: new Color(),
						groundColor: new Color()
					};
					break;

				case 'RectAreaLight':
					uniforms = {
						color: new Color(),
						position: new Vector3(),
						halfWidth: new Vector3(),
						halfHeight: new Vector3()
					};
					break;

			}

			lights[ light.id ] = uniforms;

			return uniforms;

		}

	};

}

function ShadowUniformsCache() {

	const lights = {};

	return {

		get: function ( light ) {

			if ( lights[ light.id ] !== undefined ) {

				return lights[ light.id ];

			}

			let uniforms;

			switch ( light.type ) {

				case 'SunLight':
				case 'DirectionalLight':
					uniforms = {
						shadowIntensity: 1,
						shadowBias: 0,
						shadowNormalBias: 0,
						shadowRadius: 1,
						shadowMapSize: new Vector2()
					};
					break;

				case 'SpotLight':
					uniforms = {
						shadowIntensity: 1,
						shadowBias: 0,
						shadowNormalBias: 0,
						shadowRadius: 1,
						shadowMapSize: new Vector2()
					};
					break;

				case 'PointLight':
					uniforms = {
						shadowIntensity: 1,
						shadowBias: 0,
						shadowNormalBias: 0,
						shadowRadius: 1,
						shadowMapSize: new Vector2(),
						shadowCameraNear: 1,
						shadowCameraFar: 1000
					};
					break;

				// TODO (abelnation): set RectAreaLight shadow uniforms

			}

			lights[ light.id ] = uniforms;

			return uniforms;

		}

	};

}


let nextVersion = 0;

function shadowCastingAndTexturingLightsFirst( lightA, lightB ) {

	return ( lightB.castShadow ? 2 : 0 ) - ( lightA.castShadow ? 2 : 0 ) + ( lightB.map ? 1 : 0 ) - ( lightA.map ? 1 : 0 );

}

function WebGLLights( extensions ) {

	const cache = new UniformsCache();

	const shadowCache = ShadowUniformsCache();

	const state = {

		version: 0,

		hash: {
			sunLength: -1,
			directionalLength: -1,
			pointLength: -1,
			spotLength: -1,
			rectAreaLength: -1,
			hemiLength: -1,

			numSunShadows: -1,
			numDirectionalShadows: -1,
			numPointShadows: -1,
			numSpotShadows: -1,
			numSpotMaps: -1,

			numLightProbes: -1
		},

		ambient: [ 0, 0, 0 ],
		probe: [],
		sun: [],
		sunShadow: [],
		sunShadowMap: [],
		sunShadowMatrix: [],
		sunShadowCascade: [],
		directional: [],
		directionalShadow: [],
		directionalShadowMap: [],
		directionalShadowMatrix: [],
		spot: [],
		spotLightMap: [],
		spotShadow: [],
		spotShadowMap: [],
		spotLightMatrix: [],
		rectArea: [],
		rectAreaLTC1: null,
		rectAreaLTC2: null,
		point: [],
		pointShadow: [],
		pointShadowMap: [],
		pointShadowMatrix: [],
		hemi: [],
		numSpotLightShadowsWithMaps: 0,
		numLightProbes: 0

	};

	for ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );

	const vector3 = new Vector3();
	const matrix4 = new Matrix4();
	const matrix42 = new Matrix4();

	function setup( lights ) {

		let r = 0, g = 0, b = 0;

		for ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );

		let sunLength = 0;
		let numSunShadows = 0;
		let numSunShadowCascades = 0;
		let directionalLength = 0;
		let pointLength = 0;
		let spotLength = 0;
		let rectAreaLength = 0;
		let