import type { LocationId } from './identifier';
/**
 * Represents the coordinates of a location in the world.
 */
export declare type WorldCoords = {
    x: number;
    y: number;
};
/**
 * A location in the world with relevant properties: the location's ID
 * (deterministically generated from its coords), the spacetype perlin value at
 * these coordinates, and the biomebase perlin value at these coordinates
 * (combined with spacetype to derive the biome here)
 */
export declare type WorldLocation = {
    coords: WorldCoords;
    hash: LocationId;
    perlin: number;
    biomebase: number;
};
/**
 * Ok, this is gonna sound weird, but all rectangles are squares. Also, we only permit side lengths
 * that are powers of two, and ALSO!! The side lengths must be between {@link MIN_CHUNK_SIZE} and
 * {@link MAX_CHUNK_SIZE}.
 */
export interface Rectangle {
    bottomLeft: WorldCoords;
    sideLength: number;
}
/**
 * Represents a fully mined aligned square.
 */
export interface Chunk {
    chunkFootprint: Rectangle;
    planetLocations: WorldLocation[];
    perlin: number;
}
/**
 * Various configuration used for calculating perlin.
 * Always make sure these values match the contracts you are working with
 * or else your transactions **will** be reverted.
 */
export interface PerlinConfig {
    /**
     * The key being used for the perlin calculation. Will be `SPACETYPE_KEY` or `BIOMEBASE_KEY`.
     */
    key: number;
    /**
     * The `PERLIN_LENGTH_SCALE` being used to calculate perlin.
     */
    scale: number;
    /**
     * Whether the X coordinate is being mirrored in the perlin calculation.
     *
     * @default false
     */
    mirrorX: boolean;
    /**
     * Whether the Y coordinate is being mirrored in the perlin calculation.
     *
     * @default false
     */
    mirrorY: boolean;
    /**
     * If the resulting perlin should be "floored".
     *
     * @default false
     */
    floor: boolean;
}