import type { CliffMask } from "notextures/dist/objects/Terrain/Terrain";
import type { Vector3 } from "three";
import { Entity } from "../../core/Entity";
/**
 * Returns the z coordinate of point (x, y) on the plane defined by (a, b, c)
 */
export declare const interpolateZ: ([a, b, c]: readonly [Vector3, Vector3, Vector3], x: number, y: number) => number;
export declare class Terrain extends Entity {
    readonly isTerrain = true;
    private group;
    private height;
    constructor(opts: {
        width: number;
        height: number;
        cliffs: CliffMask;
        pathing: number[][];
        heightMask?: number[][];
        waterMask?: number[][];
        waterHeightMask?: number[][];
        waterHeight?: number;
        tiles?: {
            color: string;
        }[];
    });
    private lastGroundHeight?;
    groundHeight(x: number, y: number): number;
}
export declare type TerrainInterface = {
    isTerrain: true;
    groundHeight: Terrain["groundHeight"];
};