public void SpawnEnemy(int maxlevel)
{
PauseRendering = true;
int r = Randomiser.Next(1, maxlevel+2);
Enemy enemy;
switch (r)
{
case 1: enemy = new Enemy(GameTypes.ENEMY_UNI);break;
case 2: enemy = new Enemy(GameTypes.ENEMY_BIKE);break;
case 3: enemy = new Enemy(GameTypes.ENEMY_TRIKE);break;
case 4: enemy = new Enemy(GameTypes.ENEMY_QUAD);break;
default: enemy = new Enemy(GameTypes.ENEMY_UNI); break;
}
LifeTimer.Stop();
enemy.BirthTime = (float)LifeTimer.Elapsed;
GameEngine.Instance.Enemies.Add(enemy);
// make sure his path is ok
bool pathproven = false;
bool pointclear = false;
Stack<PathNode> testpath = new Stack<PathNode>();
Point start = Point.Empty;
while (!pathproven)
{
start = new Point(Randomiser.Next(0, GameTypes.MAP_WIDTH), Randomiser.Next(0, GameTypes.MAP_HEIGHT));
bool mightbeclear = true;
foreach(Enemy inner in Enemies)
{
if(enemy != inner)
{
if (inner.LastPoint == start || inner.NextPoint == start)
{
mightbeclear = false;
break;
}
}
}
if(mightbeclear)
{
if (PathFinding.Instance.GetNode(start).Walkable)
{
PathFinding.Instance.GetPath(testpath, start, GameEngine.Instance.ThePlayer.CurrentPoint);
pathproven = (testpath != null && testpath.Count > 2);
}
}
}
enemy.BeamTo(start);
PauseRendering = false;
}