/**
 * terrain-patterns.ts
 *
 * Procedural terrain pattern generators for consistent geometric layouts
 * Used by generate_terrain_patch and generate_terrain_pattern tools
 */
export interface TerrainPatternResult {
    obstacles: string[];
    water: string[];
    difficultTerrain: string[];
    props: Array<{
        position: string;
        label: string;
        heightFeet: number;
        propType: string;
        cover: string;
    }>;
}
/**
 * Generate a river valley pattern
 * Two parallel cliff walls with a wide river in the center
 */
export declare function generateRiverValley(originX: number, originY: number, width: number, height: number): TerrainPatternResult;
/**
 * Generate a canyon pattern (horizontal walls)
 * Two parallel walls running east-west with a pass between
 */
export declare function generateCanyon(originX: number, originY: number, width: number, height: number): TerrainPatternResult;
/**
 * Generate an arena pattern
 * Circular wall perimeter enclosing an open area
 */
export declare function generateArena(originX: number, originY: number, width: number, height: number): TerrainPatternResult;
/**
 * Generate a mountain pass pattern
 * Narrowing corridor toward the center
 */
export declare function generateMountainPass(originX: number, originY: number, width: number, height: number): TerrainPatternResult;
/**
 * Generate a maze using recursive backtracking algorithm
 * Creates a proper maze with corridors and walls
 */
export declare function generateMaze(originX: number, originY: number, width: number, height: number, seed?: string, corridorWidth?: number): TerrainPatternResult;
/**
 * Generate a maze with rooms (chambers connected by corridors)
 */
export declare function generateMazeWithRooms(originX: number, originY: number, width: number, height: number, seed?: string, roomCount?: number, minRoomSize?: number, maxRoomSize?: number): TerrainPatternResult;
/**
 * Get pattern generator by name
 */
export declare function getPatternGenerator(pattern: 'river_valley' | 'canyon' | 'arena' | 'mountain_pass' | 'maze' | 'maze_rooms'): (originX: number, originY: number, width: number, height: number, seed?: string) => TerrainPatternResult;
export declare const PATTERN_DESCRIPTIONS: {
    river_valley: string;
    canyon: string;
    arena: string;
    mountain_pass: string;
    maze: string;
    maze_rooms: string;
};
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