public TBehavior GetInstance <TBehavior>(EnemyShotKind kind)
where TBehavior : EnemyShotBehavior
{
List <EnemyShotBehavior> list;
bool result = shotBehaviorPool.TryGetValue(kind, out list);
if (!result)
{
list = new List <EnemyShotBehavior>();
shotBehaviorPool.Add(kind, list);
}
foreach (var item in list)
{
if (!item.IsActive)
{
item.IsActive = true;
return(item as TBehavior);
}
}
var obj = GetNewInstance(kind);
obj.IsActive = true;
list.Add(obj);
return(obj as TBehavior);
}
private EnemyShotBehavior GetNewInstance(EnemyShotKind kind)
{
switch (kind)
{
case EnemyShotKind.Null: return(new NullEnemyShotBehavior());
case EnemyShotKind.Flower: return(new FlowerEnemyShotBehavior());
case EnemyShotKind.Circle: return(new CircleEnemyShotBehavior());
case EnemyShotKind.Lockon: return(new LockOnEnemyShotBehavior());
case EnemyShotKind.Shooting: return(new ShootingEnemyShotBehavior());
case EnemyShotKind.Ring: return(new RingEnemyShotBehavior());
default: throw new Exception("EnemyShotBehaviorの生成処理で不明なKindが指定されました。");
}
}
