import * as THREE from 'three';
import type { Disposable } from '../types.js';
/** Built-in look names for {@link createLightingRig}. */
export type LightingPresetName = 'dramatic' | 'studio' | 'soft' | 'neon' | 'sunset';
/** One complete lighting look: background/exposure/fog plus hemi, key, rim, and accent light tuples, with optional spot and beams. */
export interface LightingConfig {
    background: number;
    exposure: number;
    fog: [number, number];
    hemi: [number, number, number];
    key: [number, number, [number, number, number]];
    rim: [number, number, [number, number, number]];
    accent: [number, number, [number, number, number]];
    /** Optional narrow theatrical spotlight: colour, intensity, position, cone angle (rad). */
    spot?: [number, number, [number, number, number], number];
    /** Optional pair of visible cone-shaped beams converging on the origin: colour, intensity. */
    beams?: [number, number];
}
/** The five built-in looks — `dramatic`, `studio`, `soft`, `neon`, `sunset` — as data, mergeable with custom presets via {@link LightingRigOptions.presets}. */
export declare const LIGHTING_PRESETS: Record<LightingPresetName, LightingConfig>;
/** Options for {@link createLightingRig}. */
export interface LightingRigOptions {
    /** Initial preset. Default: 'studio'. */
    preset?: LightingPresetName;
    /** Cast shadows from the key light. Default: true. */
    shadows?: boolean;
    /** Extra presets merged over the built-ins. */
    presets?: Record<string, LightingConfig>;
}
/** A live preset-switchable rig. `dispose()` removes and frees every light and beam cone. */
export interface LightingRig extends Disposable {
    hemi: THREE.HemisphereLight;
    key: THREE.DirectionalLight;
    rim: THREE.DirectionalLight;
    accent: THREE.PointLight;
    spot: THREE.SpotLight;
    cones: THREE.Mesh[];
    /** Retune every light (and scene bg/fog/exposure) to a named preset. */
    setPreset(name: LightingPresetName | string): void;
}
/**
 * Preset-driven stage rig: hemisphere + key + rim + accent + spot lights and
 * optional visible beam cones, all retunable to a named look at runtime with
 * `setPreset` (which also sets scene background, fog, and renderer exposure).
 *
 * @param scene - Scene the rig lights.
 * @param renderer - Renderer whose `toneMappingExposure` presets control.
 * @param options - Initial preset, shadow toggle, and extra presets.
 * @returns A {@link LightingRig}.
 * @example
 * const rig = createLightingRig(scene, renderer, { preset: 'neon' })
 * rig.setPreset('dramatic')
 */
export declare function createLightingRig(scene: THREE.Scene, renderer: THREE.WebGLRenderer, { preset, shadows, presets }?: LightingRigOptions): LightingRig;
//# sourceMappingURL=presets.d.ts.map