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ytc1012
297
assets/scripts/map/MapUtil.ts
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297
assets/scripts/map/MapUtil.ts
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import { _decorator, Size, Vec2, size, v2, TiledMap, UITransform, game, view } from 'cc';
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import MapCommand from "./MapCommand";
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export default class MapUtil {
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//地图像素大小
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protected static _mapPixelSize: Size = null;
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//地图锚点偏移量
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protected static _mapOffsetPoint: Vec2 = null;
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//格子大小
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protected static _tileSize: Size = size(256, 128);;
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//地图大小 宽高需要相同
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protected static _mapSize: Size = size(20, 20);
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//地图 (0, 0)点对应的像素坐标
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protected static _zeroPixelPoint: Vec2 = v2(0, 0);
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//划分区域的格子大小
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protected static _areaCellSize: Size = null;
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protected static _areaSize: Size = null;
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// 初始化地图配置
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public static initMapConfig(map: TiledMap): void {
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var uit = map.node.getComponent(UITransform);
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this._mapPixelSize = size(uit.width, uit.height);
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this._mapOffsetPoint = v2(uit.width * uit.anchorX, uit.height * uit.anchorY);
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this._tileSize = map.getTileSize();
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this._mapSize = map.getMapSize();
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this._mapPixelSize = size(uit.width, uit.height);
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this._zeroPixelPoint.x = this._mapSize.width * this._tileSize.width * 0.5;
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this._zeroPixelPoint.y = this._mapSize.height * this._tileSize.height - this._tileSize.height * 0.5;
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var vsize = view.getVisibleSize();
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//划分区域的大小
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let showH: number = Math.min(Math.ceil(vsize.height / this._tileSize.height / 2) * 2 + 2, this._mapSize.height);
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this._areaCellSize = size(showH, showH);
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this._areaSize = size(Math.ceil(this._mapSize.width / showH), Math.ceil(this._mapSize.height / showH));
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}
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/**地图的像素大小*/
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public static get mapPixcelSize(): Size {
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return this._mapPixelSize;
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}
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public static get mapSize(): Size {
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return this._mapSize;
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}
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/**格子数量*/
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public static get mapCellCount(): number {
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return this._mapSize.width * this._mapSize.height;
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}
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/**每个区域包含的格子数量*/
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public static get areaCellSize(): Size {
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return this._areaCellSize;
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}
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/**区域大小*/
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public static get areaSize(): Size {
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return this._areaSize;
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}
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/**区域数量*/
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public static get areaCount(): number {
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return this._areaSize.width * this._areaSize.height;
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}
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/**获取格子id*/
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public static getIdByCellPoint(x: number, y: number): number {
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return x + y * this._mapSize.width;
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}
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/**获取格子坐标*/
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public static getCellPointById(id: number): Vec2 {
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return v2(id % this._mapSize.width, Math.floor(id / this._mapSize.width));
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}
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/**获取区域id*/
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public static getIdByAreaPoint(x: number, y: number): number {
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return x + y * this._areaSize.width;
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}
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/**获取区域坐标*/
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public static getAreaPointById(id: number): Vec2 {
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return v2(id % this._areaSize.width, Math.floor(id / this._areaSize.width));
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}
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/**获取格子为中点的九宫格id列表*/
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public static get9GridCellIds(id:number):number[] {
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return [
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id + this._mapSize.width - 1, id + this._mapSize.width, id + this._mapSize.width + 1,
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id - 1, id, id + 1,
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id - this._mapSize.width - 1, id - this._mapSize.width, id - this._mapSize.width + 1
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];
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}
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public static getSideIdsForRoleCity(id:number):number[] {
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return [
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id + this._mapSize.width * 2 - 2, id + this._mapSize.width * 2 - 1, id + this._mapSize.width * 2, id + this._mapSize.width * 2 + 1, id + this._mapSize.width * 2 + 2,
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id + this._mapSize.width - 2, id + this._mapSize.width + 2,
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id - 2, id + 2,
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id - this._mapSize.width - 2, id - this._mapSize.width + 2,
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id - this._mapSize.width * 2 - 2, id - this._mapSize.width * 2 - 1, id - this._mapSize.width - 1, id - this._mapSize.width * 2 + 1, id - this._mapSize.width * 2 + 2
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];
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}
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public static getSideIdsForSysCity(x, y, level): number[] {
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let ids: number[] = [];
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var dis = 0;
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if(level >= 8){
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dis = 3;
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}else if(level >= 5){
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dis = 2;
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}else {
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dis = 1;
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}
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//上
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for (let tx = x-dis; tx <= x+dis; tx++) {
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var ty:number = y + dis;
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var id = MapUtil.getIdByCellPoint(tx, ty);
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ids.push(id);
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}
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//下
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for (let tx = x-dis; tx <= x+dis; tx++) {
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var ty:number = y - dis;
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var id = MapUtil.getIdByCellPoint(tx, ty);
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ids.push(id);
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}
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//左
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for (let ty = y-dis; ty <= y+dis; ty++) {
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var tx:number = x - dis;
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var id = MapUtil.getIdByCellPoint(tx, ty);
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ids.push(id);
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}
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//右
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for (let ty = y-dis; ty <= y+dis; ty++) {
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var tx:number = x + dis;
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var id = MapUtil.getIdByCellPoint(tx, ty);
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ids.push(id);
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}
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return ids;
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}
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/**获取区域为中点的九宫格id列表*/
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public static get9GridAreaIds(id: number): number[] {
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return [
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id + this._areaSize.width - 1, id + this._areaSize.width, id + this._areaSize.width + 1,
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id - 1, id, id + 1,
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id - this._areaSize.width - 1, id - this._areaSize.width, id - this._areaSize.width + 1
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];
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}
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public static get9GridVaildAreaIds(id: number): number[] {
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let list: number[] = [];
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let totalList: number[] = this.get9GridAreaIds(id);
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for (let i: number = 0; i < totalList.length; i++) {
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if (this.isVaildAreaId(totalList[i])) {
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list.push(totalList[i]);
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}
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}
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return list;
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}
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public static getAreaPointByCellPoint(x: number, y: number): Vec2 {
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return v2(Math.floor(x / this._areaCellSize.width), Math.floor(y / this._areaCellSize.height));
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}
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/**获取区域id*/
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public static getAreaIdByCellPoint(x: number, y: number): number {
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let point: Vec2 = this.getAreaPointByCellPoint(x, y);
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return this.getIdByAreaPoint(point.x, point.y);
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}
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public static getStartCellPointByAreaPoint(x: number, y: number): Vec2 {
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return v2(x * this._areaCellSize.width, y * this._areaCellSize.height);
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}
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public static getEndCellPointByAreaPoint(x: number, y: number): Vec2 {
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return v2((x + 1) * this._areaCellSize.width, (y + 1) * this._areaCellSize.height);
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}
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public static getVaildAreaIdsByPixelPoints(...points: Vec2[]): number[] {
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let list: number[] = [];
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for (let i: number = 0; i < points.length; i++) {
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let cellPoint: Vec2 = this.mapPixelToCellPoint(points[i]);
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let areaPoint: Vec2 = this.getAreaPointByCellPoint(cellPoint.x, cellPoint.y);
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let index: number = this.getIdByAreaPoint(areaPoint.x, areaPoint.y);
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if (this.isVaildAreaId(index)
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&& list.indexOf(index) == -1) {
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list.push(index);
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}
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}
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return list;
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}
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//是否是有效的格子
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public static isVaildCellPoint(point: Vec2): boolean {
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if (point.x >= 0 && point.x < this._mapSize.width
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&& point.y >= 0 && point.y < this._mapSize.height) {
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return true;
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}
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return false;
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}
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//是否是有效的格子
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public static isVaildAreaPoint(point: Vec2): boolean {
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if (point.x >= 0 && point.x < this._areaSize.width
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&& point.y >= 0 && point.y < this._areaSize.height) {
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return true;
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}
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return false;
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}
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public static isVaildAreaId(id: number) {
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if (id >= 0 && id < this.areaCount) {
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return true;
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}
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return false;
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}
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// 世界像素坐标转地图坐标
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public static worldPixelToMapCellPoint(point: Vec2): Vec2 {
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// 转换原理
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// tiledMap 45度地图是已上方为(0,0)点 以左上方边界为y轴 右上方边界为x轴的坐标系
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// 所以只需要将点击坐标点的平行映射到地图坐标系的边界上 求解出映射点的像素坐标 / 格子大小 即可计算出对饮的 格子坐标
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let x: number = Math.floor(0.5 * this._mapSize.height + point.x / this._tileSize.width - point.y / this._tileSize.height);
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let y: number = Math.floor(1.5 * this._mapSize.width - point.x / this._tileSize.width - point.y / this._tileSize.height);
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return v2(x, y);
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}
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//地图坐标(格子的中心点)转世界像素坐标
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public static mapCellToWorldPixelPoint(point: Vec2): Vec2 {
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let pixelX: number = this._zeroPixelPoint.x - (point.y - point.x) * this._tileSize.width * 0.5;
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let pixelY: number = this._zeroPixelPoint.y - (point.x + point.y) * this._tileSize.height * 0.5;
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return v2(pixelX, pixelY);
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}
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// 地图坐标转地图像素坐标
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public static mapCellToPixelPoint(point: Vec2): Vec2 {
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let worldPoint: Vec2 = this.mapCellToWorldPixelPoint(point);
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return worldPoint.subtract(this._mapOffsetPoint);
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}
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//地图像素转地图坐标
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public static mapPixelToCellPoint(point: Vec2): Vec2 {
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let temp = point.clone();
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let worldPoint: Vec2 = temp.add(this._mapOffsetPoint);
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return this.worldPixelToMapCellPoint(worldPoint);
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}
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public static armyIsInView(x:number, y:number): boolean {
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let buildProxy = MapCommand.getInstance().buildProxy;
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let cityProxy = MapCommand.getInstance().cityProxy;
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let myId = cityProxy.getMyPlayerId();
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let myUnionId = cityProxy.myUnionId;
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// let parentId = cityProxy.myParentId;
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//可视觉区域以当前为原点，半径为5
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for (let i = Math.max(0, x-5); i<= Math.min(x+5, this._mapSize.width); i++) {
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for (let j = Math.max(0, y-5); j<= Math.min(y+5, this._mapSize.height); j++) {
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let id: number = MapUtil.getIdByCellPoint(i, j);
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var b = buildProxy.getBuild(id);
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if (!b){
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continue
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}
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if(b.rid == myId || (myUnionId != 0 && (b.unionId == myUnionId || b.parentId == myUnionId))){
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return true;
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}
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var c = cityProxy.getCity(id)
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if (!c){
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continue
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}
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if(c.rid == myId || (myUnionId != 0 && (b.unionId == myUnionId || b.parentId == myUnionId))){
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return true;
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}
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}
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}
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return false
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}
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}
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