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

100% Statements 28/28
100% Branches 2/2
100% Functions 6/6
100% Lines 28/28

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import { Display, DisplayInterface } from "jga-games-display";
 
import { Engine, Scheduler } from "jga-games-engine";
 
import { Keys } from "jga-games-commands";
 
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(new Scheduler());
 
        // 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 = (eventName: string): void => {
            // @TODO refactor to external method
            window.addEventListener(eventName, (event) => {
                const inputEvent: KeyboardEvent = event as KeyboardEvent;
                const newScreenName = this.currentScreen.handleInput(eventName, { code: inputEvent.code as Keys });
                if (null !== newScreenName) {
                    const newScreen = this.screenFactory.create({ type: newScreenName, engine: this.engine });
                    this.switchScreen(newScreen);
                }
                this.currentScreen.render(this.getDisplay());
            });
        };
 
        bindEventToScreen("keydown");
    }
 
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    // public handleInput(eventName: string, event: KeyboardEvent): 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();
    }
}