All files / games/roguelike/src/game game.ts

100% Statements 28/28
100% Branches 2/2
100% Functions 7/7
100% Lines 28/28

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import { Display, DisplayInterface } from "jga-games-display";
 
import { Engine } from "jga-games-engine";
 
import { ScreenInterface } from "jga-games-screens";
 
import { ScreenFactoryCreateParamsInterface, ScreenFactory } from "./index";
 
export interface GameInterface {
    getCurrentScreen(): ScreenInterface;
    getDisplay(): DisplayInterface;
    switchScreen(screen: ScreenInterface): void;
}
 
export class Game implements GameInterface {
    protected display: DisplayInterface;
    protected currentScreen: ScreenInterface;
    protected screenFactory: ScreenFactory;
    protected engine: Engine;
 
    private screenHeight = 24;
    private screenWidth = 80;
 
    public constructor() {
        this.engine = new Engine();
 
        // Create player;
        this.engine.createPlayer();
 
        this.display = new Display(this.screenHeight, this.screenWidth);
        this.screenFactory = new ScreenFactory();
 
        const createParams: ScreenFactoryCreateParamsInterface = {
            engine: this.engine,
            type: "start",
        };
 
        this.currentScreen = this.screenFactory.create(createParams);
        this.currentScreen.render(this.display);
 
        const bindEventToScreen = (event: string): void => {
            window.addEventListener(event, this.handleInput(event));
        };
 
        bindEventToScreen("keydown");
    }
 
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    public handleInput(event: string): any {
        return (e: KeyboardEvent): void => {
            const newScreenName = this.currentScreen.handleInput(event, { code: e.code });
            if (null !== newScreenName) {
                const newScreen = this.screenFactory.create({ type: newScreenName, engine: this.engine });
                this.switchScreen(newScreen);
            }
            this.currentScreen.render(this.getDisplay());
        };
    }
 
    public getCurrentScreen(): ScreenInterface {
        return this.currentScreen;
    }
 
    public getDisplay(): DisplayInterface {
        return this.display;
    }
 
    public switchScreen(screen: ScreenInterface): void {
        this.currentScreen.exit();
        this.getDisplay().clear();
 
        this.currentScreen = screen;
 
        return this.currentScreen.enter();
    }
}