import * as THREE from 'three';
import { NavMesh, Crowd, CrowdAgent } from '@recast-navigation/core';
import { NavMeshHelper, CrowdHelper } from '@recast-navigation/three';
import { ECSContext } from '../core/ecs';
export interface NavMeshData {
    navMesh: NavMesh | null;
    navMeshHelper: NavMeshHelper | null;
    crowd: Crowd | null;
    crowdHelper: CrowdHelper | null;
}
export declare enum NavMeshGenerationState {
    UNINITIALIZED = 0,
    GENERATING = 1,
    DONE = 2
}
export type NavMeshDataKey = number;
export type NavMeshDataJob = {
    state: NavMeshGenerationState;
    data: NavMeshData | null;
};
/**
 * Generates a nav mesh from static meshes in the scene
 * @param ctx ECS context
 * @param scene Three.js scene containing meshes
 * @returns NavMeshData containing the nav mesh and debug visualization
 */
export declare function generateNavMesh(ctx: ECSContext, scene: THREE.Scene): {
    navMesh: any;
    navMeshHelper: any;
    crowd: any;
    crowdHelper: any;
};
/**
 * Initialize nav mesh generation for a world
 */
export declare function initializeNavMesh(ctx: ECSContext, scene: THREE.Scene): Promise<void>;
/**
 * Get the nav mesh debug mesh for rendering
 */
export declare function getNavMeshDebugMesh(ctx: ECSContext): THREE.Object3D | null;
/**
 * Get the crowd debug mesh for rendering
 */
export declare function getCrowdDebugMesh(ctx: ECSContext): THREE.Object3D | null;
/**
 * Get the nav mesh for pathfinding
 */
export declare function getNavMesh(ctx: ECSContext): NavMesh | null;
/**
 * Get the crowd for pathfinding
 */
export declare function getCrowd(ctx: ECSContext): Crowd | null;
/**
 * Add an agent to the crowd for pathfinding
 * @param ctx ECS context
 * @param position Starting position of the agent
 * @param agentParams Optional agent parameters
 * @returns CrowdAgent or null if failed
 */
export declare function addCrowdAgent(ctx: ECSContext, position: {
    x: number;
    y: number;
    z: number;
}, agentParams?: {
    radius?: number;
    height?: number;
    maxSpeed?: number;
    maxAcceleration?: number;
}): CrowdAgent | null;
/**
 * Remove an agent from the crowd
 * @param ctx ECS context
 * @param agent Agent to remove
 */
export declare function removeCrowdAgent(ctx: ECSContext, agent: CrowdAgent): void;
/**
 * Update the crowd simulation
 * @param ctx ECS context
 * @param deltaTime Time step for the update
 */
export declare function updateCrowd(ctx: ECSContext, deltaTime: number): boolean;
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