protected override void Initialize()
{
// Create a new SpriteBatch, which can be used to draw textures.
Type[] types = new Type[] { typeof(Enemy), typeof(Expires), typeof(Health), typeof(SpatialForm), typeof(Transform), typeof(Velocity), typeof(Weapon) };
pool = new GamePool(100, types);
pool.Initialize();
spriteBatch = new SpriteBatch(GraphicsDevice);
world = new EntityWorld();
world.GetEntityManager().RemovedComponentEvent += new RemovedComponentHandler(RemovedComponent);
world.SetPool(pool);
font = Content.Load <SpriteFont>("Arial");
SystemManager systemManager = world.GetSystemManager();
renderSystem = systemManager.SetSystem(new RenderSystem(GraphicsDevice, spriteBatch, Content), ExecutionType.Draw);
hudRenderSystem = systemManager.SetSystem(new HudRenderSystem(spriteBatch, font), ExecutionType.Draw);
controlSystem = systemManager.SetSystem(new MovementSystem(spriteBatch), ExecutionType.Update, 1);
movementSystem = systemManager.SetSystem(new PlayerShipControlSystem(spriteBatch), ExecutionType.Update);
enemyShooterSystem = systemManager.SetSystem(new EnemyShipMovementSystem(spriteBatch), ExecutionType.Update, 1);
enemyShipMovementSystem = systemManager.SetSystem(new EnemyShooterSystem(), ExecutionType.Update);
collisionSystem = systemManager.SetSystem(new CollisionSystem(), ExecutionType.Update, 1);
healthBarRenderSystem = systemManager.SetSystem(new HealthBarRenderSystem(spriteBatch, font), ExecutionType.Draw);
enemySpawnSystem = systemManager.SetSystem(new EnemySpawnSystem(500, spriteBatch), ExecutionType.Update);
expirationSystem = systemManager.SetSystem(new ExpirationSystem(), ExecutionType.Update);
systemManager.InitializeAll();
InitPlayerShip();
InitEnemyShips();
base.Initialize();
}
public static Entity CreateMissile(EntityWorld world)
{
Entity missile = world.CreateEntity();
GamePool pool = (GamePool)world.GetPool();
missile.SetGroup("BULLETS");
missile.AddComponent(pool.TakeComponent <Transform>());
missile.AddComponent(pool.TakeComponent <SpatialForm>());
missile.AddComponent(pool.TakeComponent <Velocity>());
missile.AddComponent(pool.TakeComponent <Expires>());
missile.GetComponent <SpatialForm>().SetSpatialFormFile("Missile");
missile.GetComponent <Expires>().SetLifeTime(2000);
return(missile);
}
public static Entity CreateShipExplosion(EntityWorld world, float x, float y)
{
Entity e = world.CreateEntity();
GamePool pool = (GamePool)world.GetPool();
e.SetGroup("EFFECTS");
e.AddComponent(pool.TakeComponent <Transform>());
e.AddComponent(pool.TakeComponent <SpatialForm>());
e.AddComponent(pool.TakeComponent <Expires>());
e.GetComponent <SpatialForm>().SetSpatialFormFile("ShipExplosion");
e.GetComponent <Transform>().SetCoords(new Vector3(x, y, 0));
e.GetComponent <Expires>().SetLifeTime(1000);
return(e);
}
public static Entity CreateBulletExplosion(EntityWorld world, float x, float y)
{
Entity e = world.CreateEntity();
GamePool pool = (GamePool)world.Pool;
e.SetGroup("EFFECTS");
e.AddComponent(pool.TakeComponent <Transform>());
e.AddComponent(pool.TakeComponent <SpatialForm>());
e.AddComponent(pool.TakeComponent <Expires>());
e.GetComponent <SpatialForm>().SpatialFormFile = "BulletExplosion";
e.GetComponent <Expires>().LifeTime = 1000;
e.GetComponent <Transform>().Coords = new Vector3(x, y, 0);
return(e);
}
public static Entity CreateEnemyShip(EntityWorld world)
{
Entity e = world.CreateEntity();
e.SetGroup("SHIPS");
GamePool pool = (GamePool)world.GetPool();
e.AddComponent(pool.TakeComponent <Transform>());
e.AddComponent(pool.TakeComponent <SpatialForm>());
e.AddComponent(pool.TakeComponent <Health>());
e.AddComponent(pool.TakeComponent <Weapon>());
e.AddComponent(pool.TakeComponent <Enemy>());
e.AddComponent(pool.TakeComponent <Velocity>());
e.GetComponent <SpatialForm>().SetSpatialFormFile("EnemyShip");
e.GetComponent <Health>().SetHealth(10);
return(e);
}