import type { NpcKind } from './constants.js';
/**
 * Area transitions: the cover a player sees while the client builds a place
 * a teleport has just dropped them into.
 *
 * Walking is invisible work - chunks stream in one at a time and the prop
 * queue drains a couple of milliseconds a frame. A teleport is not: the whole
 * view swaps at once, so the client has twenty-five chunks of terrain to
 * build, a few hundred props to spawn and, for a creature area, a model to
 * fetch and parse, all in the first second. Uncovered, entering the Spider
 * Cave measured as four seconds of continuous stutter (22 long tasks, the
 * worst 414 ms) with spiders already biting. Covered, the client does the
 * same work flat out behind a screen and lifts it when everything stands.
 *
 * The server sends `area_transition` with one of these ids immediately
 * before the chunk data for the destination. Everything else is client-side;
 * see dreadwoods-frontend/AREA_TRANSITIONS.md for how to add one.
 */
export type AreaTransitionId = 'mine-cave' | 'mine-cave-out' | 'sea-cave' | 'sea-cave-out' | 'spider-cave' | 'spider-cave-out' | 'ice-prison' | 'ice-prison-out' | 'ice-depths-rune' | 'ice-depths-hollow' | 'ice-depths-ritual' | 'ice-depths-lab' | 'ice-depths-core' | 'ice-depths-hub' | 'voyage-hope-beach' | 'voyage-frozen-shore' | 'voyage-capital-harbour' | 'voyage-smugglers-isle' | 'rat-tunnel' | 'rat-tunnel-out' | 'goblin-cave' | 'goblin-cave-out' | 'forest-den' | 'forest-den-out' | 'wolf-den' | 'wolf-den-out' | 'world-event' | 'world-event-out' | 'deep-sea-out' | 'deep-sea-back' | 'cart-ride' | 'arrival' | 'admin-teleport' | 'arcane-lands' | 'western-line' | 'western-kingdoms' | 'western-kingdoms-train' | 'forge-halt' | 'forge-halt-out' | 'ridge-cellar' | 'ridge-cellar-out' | 'crescent-queen' | 'crescent-queen-out' | 'ship-below' | 'ship-deck' | 'ship-shore' | 'tide-tunnel' | 'tide-tunnel-out' | 'saltmark-cave' | 'saltmark-cave-out' | 'bay-cove' | 'bay-cove-out' | 'west-coast-ferry' | 'west-coast-ferry-out' | 'last-signal-ferry' | 'last-signal-ferry-out';
/**
 * A teleport that moves a player at least this many tiles always gets a cover: past it the client holds little or
 * nothing of the destination (chunks are 32 tiles and stream two rings out), so the whole view swaps at once.
 * A teleport with no AreaTransitionId of its own gets 'arrival' (backend teleportPlayer); short hops (a gate, a
 * pier break, a bridge) stay uncovered.
 */
export declare const FAR_TELEPORT_TILES = 40;
export type AreaTransition = {
    /** The big line on the cover: the place you are arriving at. */
    title: string;
    /** The small line under it. Flavour, not status - the cover is brief. */
    line: string;
    /**
     * Creature kinds whose imported models are fetched and parsed before the
     * cover lifts, so the first one you meet is the real model and not a
     * procedural stand-in that pops into it mid-fight. Kinds with no imported
     * model are ignored.
     */
    creatures: readonly NpcKind[];
    /**
     * A title card instead of the game's emblem: the cover shows this glyph over the title (the Western Kingdoms' arrival
     * by train shows a small flat train). Absent: the usual emblem.
     */
    card?: 'train';
    /**
     * The least time the cover stays up (ms), when it should be longer than the client's usual minimum so its title is
     * read (a title card). Absent: the client's AREA_TRANSITION_MIN_MS.
     */
    minMs?: number;
};
export declare const AREA_TRANSITIONS: Record<AreaTransitionId, AreaTransition>;
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