import { Vector2 } from "three/src/Three";
import { Component } from "../../hierarchy_object/Component";
import type { IGridCoordinatable } from "../helper/IGridCoordinatable";
import type { IUnknownSizeCssRenderOption } from "../render/CssRenderer";
import type { ICssImageRenderOption } from "../render/CssSpriteRenderer";
import { ImageRenderingMode } from "../render/CssSpriteRenderer";
import type { TileAtlasItem } from "../render/CssTilemapRenderer";
import { CssFilter } from "../render/filter/CssFilter";
/**
 * tilemap for grid system
 * there is no limitation of tilemap size, it use multiple tilemap as chunk
 *
 * 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 CssTilemapChunkRenderer extends Component implements IGridCoordinatable, IUnknownSizeCssRenderOption, ICssImageRenderOption {
    private readonly _cssTilemapRendererMap;
    private readonly _tilemapTileCountMap;
    private _chunkSize;
    private _tileWidth;
    private _tileHeight;
    private _tileResolutionX;
    private _tileResolutionY;
    private _tilemapScale;
    private _imageSources;
    private _pointerEvents;
    private _viewScale;
    private _imageRenderingMode;
    private readonly onFilterUpdate;
    private readonly _filter;
    private readonly _initializeFunctions;
    private _started;
    start(): void;
    private updateTilemapPosition;
    private getIndexXFromKey;
    private getIndexYFromKey;
    private getKeyFromIndex;
    private computeDrawPosition;
    private getTilemapRenedererOrCreate;
    private getTilemapRenedererOrNull;
    /**
     * draw tile at position.
     * @param x x position in grid
     * @param y y position in grid
     * @param imageIndex index of image in imageSources
     * @param atlasIndex index of atlas in imageSources
     * @returns
     */
    drawTile(x: number, y: number, imageIndex: number, atlasIndex?: number): void;
    /**
     * draw tile from two dimensional array.
     *
     * array left bottom is (0, 0) in grid coordinate system
     * @param array array of image index. { i: 0, a: 1 } means imageSources[0] in atlas[1]
     * @param xOffset array x offset, if you want to add tile from array[1][3] to (2, 3) you should set xOffset = 1
     * @param yOffset array y offset, if you want to add tile from array[3][1] to (3, 2) you should set yOffset = 1
     * @returns
     */
    drawTileFromTwoDimensionalArray(array: ({
        i: number;
        a: number;
    } | null)[][], xOffset: number, yOffset: number): void;
    /**
     * clear tile at position.
     * @param x x position in grid
     * @param y y position in grid
     * @returns
     */
    clearTile(x: number, y: number): void;
    /**
     * chunk size. (default: 16)
     */
    get chunkSize(): number;
    /**
     * chunk size. (default: 16)
     */
    set chunkSize(value: number);
    /**
     * image sources for drawing.
     */
    set imageSources(value: TileAtlasItem[]);
    /**
     * if this value is true, this object will be rendered with css style pointer-events: "auto"
     * it means that this object can be clicked. (default: true)
     */
    get pointerEvents(): boolean;
    /**
     * if this value is true, this object will be rendered with css style pointer-events: "auto"
     * it means that this object can be clicked. (default: true)
     */
    set pointerEvents(value: boolean);
    /**
     * grid cell width. (default: 1)
     */
    get gridCellWidth(): number;
    /**
     * grid cell width. (default: 1)
     */
    set gridCellWidth(value: number);
    /**
     * grid cell height. (default: 1)
     */
    get gridCellHeight(): number;
    /**
     * grid cell height. (default: 1)
     */
    set gridCellHeight(value: number);
    /**
     * tile resolution x. (default: 16)
     *
     * higher value means higher quality of rendering.
     */
    get tileResolutionX(): number;
    /**
     * tile resolution x. (default: 16)
     *
     * higher value means higher quality of rendering.
     */
    set tileResolutionX(value: number);
    /**
     * tile resolution y. (default: 16)
     *
     * higher value means higher quality of rendering.
     */
    get tileResolutionY(): number;
    /**
     * tile resolution y. (default: 16)
     *
     * higher value means higher quality of rendering.
     */
    set tileResolutionY(value: number);
    /**
     * tilemaps scale. (default: 1.001)
     *
     * If this value is 1 due to precision issues, there's a gap between the tilemaps.
     */
    get tilemapScale(): number;
    /**
     * tilemaps scale. (default: 1.001)
     *
     * If this value is 1 due to precision issues, there's a gap between the tilemaps.
     */
    set tilemapScale(value: number);
    /**
     * grid coordinate center position
     *
     * if chunkSize is even, The center position will be skewed by half the chunkSize.
     */
    get gridCenter(): Vector2;
    /**
     * grid coordinate center position x
     *
     * if chunkSize is even, The center position will be skewed by half the chunkSize.
     */
    get gridCenterX(): number;
    /**
     * grid coordinate center position y
     *
     * if chunkSize is even, The center position will be skewed by half the chunkSize.
     */
    get gridCenterY(): number;
    /**
     * element viewScale
     *
     * value to scaling html element. the smaller value, the higher resolution of element.
     *
     * note: if the viewScale is greater than 1, render will have different behaviour depending on the browser. In the case of firefox, normal operation is guaranteed.
     * @param value
     */
    get viewScale(): number;
    /**
     * element viewScale
     *
     * value to scaling html element. the smaller value, the higher resolution of element.
     *
     * note: if the viewScale is greater than 1, render will have different behaviour depending on the browser. In the case of firefox, normal operation is guaranteed.
     * @param value
     */
    set viewScale(value: number);
    /**
     * css filter
     */
    get filter(): CssFilter;
    /**
     * image rendering mode (default: ImageRenderingMode.Pixelated)
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/image-rendering
     */
    get imageRenderingMode(): ImageRenderingMode;
    /**
     * image rendering mode (default: ImageRenderingMode.Pixelated)
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/image-rendering
     */
    set imageRenderingMode(value: ImageRenderingMode);
}