private void SpawnEnemy(EnemyPath path)
{
Enemy e = new Enemy(_tileSheet.SpriteAnimation(), path[0]);
e.AddPath(path);
_enemies.Add(e);
e.ShotFired += EnemyShotFired;
e.OnDestroy += HandleOnEnemyDestroy;
}
private void UpdateNextWaveTimer(GameTime gameTime)
{
_nextWaveTimer.Update(gameTime);
if (_nextWaveTimer.Completed)
{
int pathIndex = _rand.Next(0, _paths.Count);
EnemyPath path = _paths[pathIndex];
SpawnWave(path);
_nextWaveTimer.Reset();
}
}
private void SetupWayPoints()
{
// f*****g hard coded bullshit....
EnemyPath path0 = new EnemyPath();
path0.AddWayPoint(new Vector2(850, 300));
path0.AddWayPoint(new Vector2(-100, 300));
_paths.Add(path0);
EnemyPath path1 = new EnemyPath();
path1.AddWayPoint(new Vector2(-50, 225));
path1.AddWayPoint(new Vector2(850, 225));
_paths.Add(path1);
EnemyPath path2 = new EnemyPath();
path2.AddWayPoint(new Vector2(-100, 50));
path2.AddWayPoint(new Vector2(150, 50));
path2.AddWayPoint(new Vector2(200, 75));
path2.AddWayPoint(new Vector2(200, 125));
path2.AddWayPoint(new Vector2(150, 150));
path2.AddWayPoint(new Vector2(150, 175));
path2.AddWayPoint(new Vector2(200, 200));
path2.AddWayPoint(new Vector2(600, 200));
path2.AddWayPoint(new Vector2(850, 600));
_paths.Add(path2);
EnemyPath path3 = new EnemyPath();
path3.AddWayPoint(new Vector2(600, -100));
path3.AddWayPoint(new Vector2(600, 250));
path3.AddWayPoint(new Vector2(580, 275));
path3.AddWayPoint(new Vector2(500, 250));
path3.AddWayPoint(new Vector2(500, 200));
path3.AddWayPoint(new Vector2(450, 175));
path3.AddWayPoint(new Vector2(400, 150));
path3.AddWayPoint(new Vector2(-100, 150));
_paths.Add(path3);
}
public void AddPath(EnemyPath path) => _wayPoints.EnqueueRange(path.WayPoints);
private void SpawnWave(EnemyPath path)
{
// add enemies to number of enemies to be spawned on
// a particular path
path.NumberOfEnemiesAvailable += _rand.Next(MinEnemiesPerWave, MaxEnemiesPerWave + 1);
}