private void UpdateEnemySpawns(double gameTime)
{
// If no upcoming enemies then there's nothing to spawn.
if (_upComingEnemies.Count == 0)
{
return;
}
EnemyDef lastElement = _upComingEnemies[_upComingEnemies.Count - 1];
if (gameTime < lastElement.LaunchTime)
{
_upComingEnemies.RemoveAt(_upComingEnemies.Count - 1);
_enemies.Add(CreateEnemyFromDef(lastElement));
}
}
private Enemy CreateEnemyFromDef(EnemyDef definition)
{
Enemy enemy = new Enemy(_textureManager, _effectsManager);
enemy.SetPosition(definition.StartPosition);
if (definition.EnemyType == "cannon_fodder")
{
// The enemy type could be used to alter the health or texture
// but we’re using the default texture and health for the cannon fodder type
}
else
{
System.Diagnostics.Debug.Assert(false, "Unknown enemy type.");
}
return enemy;
}
private Enemy CreateEnemyFromDef(EnemyDef definition)
{
Enemy enemy = new Enemy(_textureManager, _effectsManager);
enemy.SetPosition(definition.StartPosition);
if (definition.EnemyType == "cannon_fodder")
{
// The enemy type could be used to alter the health or texture
// but we’re using the default texture and health for the cannon fodder type
}
else
{
System.Diagnostics.Debug.Assert(false, "Unknown enemy type.");
}
return(enemy);
}