All files / games/maps/src map.ts

100% Statements 25/25
100% Branches 16/16
100% Functions 8/8
100% Lines 25/25

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import { FloorTile, TileFactory, TileInterface } from "jga-games-tiles";
 
import { MapGeneratorInterface, MapParamsInterface, PositionInterface } from "./interfaces";
 
export class GameMap {
    private readonly generator?: MapGeneratorInterface;
    private readonly height: number;
    private readonly tiles: TileInterface[][];
    private readonly width: number;
 
    public constructor(params: MapParamsInterface) {
        this.width = params.width;
        this.height = params.height;
        this.tiles = [];
 
        if (null != params.tiles) {
            this.tiles = params.tiles;
        }
 
        if (this.tiles.length === 0) {
            this.generator = params.generator;
 
            if (null != this.generator) {
                this.tiles = this.generator.generate();
            }
        }
    }
 
    public getTiles(): TileInterface[][] {
        return this.tiles;
    }
 
    public getWidth(): number {
        return this.width;
    }
 
    public getHeight(): number {
        return this.height;
    }
 
    public getTile(position: PositionInterface): TileInterface {
        if (true === this.isTileOutOfBounds(position.x, position.y) || null == this.tiles[position.x][position.y]) {
            const tileFactory = new TileFactory();
            return tileFactory.create("null");
        }
 
        return this.tiles[position.x][position.y];
    }
 
    public dig(position: PositionInterface): void {
        if (this.getTile(position).isDiggable) {
            this.tiles[position.x][position.y] = new FloorTile();
        }
    }
 
    public getRandomFloorPosition(): PositionInterface {
        let x: number;
        let y: number;
 
        do {
            x = Math.floor(Math.random() * this.width);
            y = Math.floor(Math.random() * this.height);
        } while (!this.getTile({ x, y }).isWalkable);
 
        return { x, y };
    }
 
    protected isTileOutOfBounds(x: number, y: number): boolean {
        return x < 0 || x >= this.width || y < 0 || y >= this.height;
    }
}