package com.zombie.game.server;

import com.zombie.game.model.GameWorld;

public class GameLoop implements Runnable {
    private String roomId;
    private GameWorld world;
    private GameWebSocketServer server;
    private volatile boolean running;
    private static final int TICK_RATE = 30;
    private static final long TICK_INTERVAL = 1000 / TICK_RATE;

    public GameLoop(String roomId, GameWorld world, GameWebSocketServer server) {
        this.roomId = roomId;
        this.world = world;
        this.server = server;
        this.running = true;
    }

    @Override
    public void run() {
        long lastTime = System.currentTimeMillis();

        while (running) {
            long now = System.currentTimeMillis();
            long delta = now - lastTime;

            if (delta >= TICK_INTERVAL) {
                float dt = delta / 1000.0f;
                world.update(dt);
                server.broadcastGameState(roomId, world);
                lastTime = now;
            } else {
                try {
                    Thread.sleep(1);
                } catch (InterruptedException e) {
                    break;
                }
            }
        }
    }

    public void stop() {
        running = false;
    }
}