import { Graphics, Ticker } from 'pixi.js';
import { SymbolRegistry } from '../symbols/SymbolRegistry.js';
import { ColumnTarget } from '../frame/ColumnTarget.js';
import { SpinResult } from '../events/ReelEvents.js';
/** Travel direction of the spin. `rtl` scrolls leftward, `ltr` rightward. */
export type HorizontalDirection = 'ltr' | 'rtl';
/** Drop/fall timing for {@link HorizontalReel.cascade}. */
export interface HorizontalCascadeTiming {
    /** Milliseconds a winning symbol takes to fall away. Default 240. */
    fall?: number;
    /** Milliseconds a replacement takes to drop into the empty cell. Default 260. */
    drop?: number;
}
/** Internal config produced by {@link HorizontalReelBuilder.build}. */
export interface HorizontalReelConfig {
    visibleCount: number;
    cellWidth: number;
    cellHeight: number;
    gap: number;
    direction: HorizontalDirection;
    /** Pixels per frame while spinning. */
    speed: number;
    cascade: Required<HorizontalCascadeTiming>;
    /** Rest frame shown before the first spin — one `ColumnTarget` (this reel). */
    initialFrame: ColumnTarget[];
    configurator: (registry: SymbolRegistry) => void;
    chrome: ((g: Graphics, width: number, height: number) => void) | null;
    ticker: Ticker;
    rng: (() => number) | null;
}
/** Typed events emitted by {@link HorizontalReel} — mirrors the `ReelSet` names + shapes. */
export type HorizontalReelEvents = {
    /** The reel started spinning. */
    'spin:start': [];
    /**
     * The reel landed. Payload is the engine's {@link SpinResult}; for this
     * single reel `symbols` is a one-column grid (`[[...visible]]`).
     */
    'spin:complete': [result: SpinResult];
    /** A cascade finished: `winners` cells fell away and were replaced. */
    'cascade:complete': [{
        winners: number[];
        symbols: string[];
    }];
};
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