import { Vector2 } from "three/src/Three";
import { Component } from "../../hierarchy_object/Component";
import type { GameObject } from "../../hierarchy_object/GameObject";
import type { IGridCoordinatable } from "../helper/IGridCoordinatable";
/**
 * event map for grid system
 *
 * coordinate system is same as world coordinate system (positive x is right, positive y is up)
 *
 * important: grid position data is stored as string ("x_y" format)
 * so this component might not work properly if this component's gameObject.position is not integer
 */
export declare class GridEventMap extends Component implements IGridCoordinatable {
    private readonly _eventMap;
    private _gridCellWidth;
    private _gridCellHeight;
    private _showCollider;
    private readonly _eventVisualizeImages;
    private readonly _initializeFunctions;
    private _started;
    start(): void;
    /**
     * add event at position
     * @param x x position in grid
     * @param y y position in grid
     * @param callback event callback
     * @returns
     */
    addEvent(x: number, y: number, callback: (gridX: number, gridY: number, target: GameObject) => void): void;
    /**
     * add event from two dimensional array. array left bottom is (0, 0) in grid coordinate system
     * @param array array that contains event callback
     * @param xOffset array x offset, if you want to add event from array[1][3] to (2, 3) you should set xOffset = 1
     * @param yOffset array y offset, if you want to add event from array[3][1] to (3, 2) you should set yOffset = 1
     * @returns
     */
    addEventsFromTwoDimensionalArray(array: (((gridX: number, gridY: number, target: GameObject) => void) | null)[][], xOffset: number, yOffset: number): void;
    private addVisualizeImages;
    private removeVisualizeImages;
    private addDebugImage;
    /**
     * invoke event callback if there is event at grid position
     * @param x world position x
     * @param y world position y
     * @param width aabb collision width
     * @param height aabb collision height
     * @param target target game object
     * @returns true if there is event at grid position
     */
    tryInvokeEvent(x: number, y: number, width: number, height: number, target: GameObject): boolean;
    /**
     * grid cell width, if this value is not integer, might not work properly (default: 1)
     */
    get gridCellWidth(): number;
    /**
     * grid cell width, if this value is not integer, might not work properly (default: 1)
     */
    set gridCellWidth(value: number);
    /**
     * grid cell height, if this value is not integer, might not work properly (default: 1)
     */
    get gridCellHeight(): number;
    /**
     * grid cell height, if this value is not integer, might not work properly (default: 1)
     */
    set gridCellHeight(value: number);
    /**
     * if this value is true, grid event map will visualized as debug image (default: false)
     */
    get showEvents(): boolean;
    /**
     * if this value is true, grid event map will visualized as debug image (default: false)
     */
    set showEvents(value: boolean);
    /**
     * grid coordinate center position
     */
    get gridCenter(): Vector2;
    /**
     * grid coordinate center position x
     */
    get gridCenterX(): number;
    /**
     * grid coordinate center position y
     */
    get gridCenterY(): number;
}