ljgex

package lx01.libraries.ljgex;

public final class Game {
    public Game (Graphics out, Supplier<List<GameObject>> objectGetter, BooleanSupplier active) {
        this(out, objectGetter, active, new Thread(() -> {
            while (this.isRunning()) {
                try {
                    Thread.sleep(50L);
                } catch (InterruptedException ie) {}
                this.executeFrame();
            }
        }));
    }

    public Game (Graphics out, Supplier<List<GameObject>> objectGetter, BooleanSupplier active, Thread thread) {
        this.graphics = out;
        this.objects = objectGetter;
        this.thread = thread;
        this.isActive = active;
    }

    public void init () {
        this.thread.start();
    }

    public boolean isRunning () {
        return this.isActive.getAsBoolean();
    }

    public void executeFrame () {
        if (this.drawingFrame) return;
        this.drawingFrame = true;
        for (GameObject obj : this.objects.get())
            this.graphics.drawImage(this.render(obj), obj.getX(), obj.getY(), this);
        this.drawingFrame = false;
    }