public ShotAndMovingItemInteraction(World world, Shot shot, MovingItem movingItem)
{
if (world == null)
throw new ArgumentNullException("world");
if (shot == null)
throw new ArgumentNullException("shot");
if (movingItem == null)
throw new ArgumentNullException("movingItem");
this._world = world;
this._shot = shot;
this._movingItem = movingItem;
}
public ShotAndStaticItemInteraction(World world, Shot shot, StaticItem staticItem)
{
if (world == null)
throw new ArgumentNullException("world");
if (shot == null)
throw new ArgumentNullException("shot");
if (staticItem == null)
throw new ArgumentNullException("staticItem");
if (staticItem is MovingItem)
throw new ArgumentOutOfRangeException("staticItem");
this._world = world;
this._shot = shot;
this._staticItem = staticItem;
}
private static bool InteractionInvolvingShot(World world, Shot shot, MovingItem movingItem)
{
if (movingItem is Player)
{
movingItem.ReduceEnergy(shot.Energy);
if (movingItem.IsAlive())
world.Game.SoundPlayer.Play(GameSound.PlayerInjured);
world.ConvertShotToBang(shot);
return true;
}
var monster = movingItem as Monster.Monster;
if (monster != null)
{
var result = ShotHitsMonster(world, shot, monster);
return result;
}
var items = new[] { shot, movingItem };
var explosion = items.OfType<Explosion>().FirstOrDefault();
if (explosion != null)
{
var otherItem = items.Single(item => item != explosion);
if (otherItem is Shot)
{
shot.ReduceEnergy(explosion.Energy);
return true;
}
}
var standardShot1 = shot as StandardShot;
var standardShot2 = movingItem as StandardShot;
if (standardShot1 != null && standardShot2 != null)
{
var result = ShotHitsShot(world, standardShot1, standardShot2);
return result;
}
return false;
}
private static bool ShotHitsMonster(World world, Shot shot, Monster.Monster monster)
{
if (!monster.IsActive)
monster.IsActive = true;
if (monster.Mobility == MonsterMobility.Patrolling)
monster.Mobility = MonsterMobility.Placid;
var standardShot = shot as StandardShot;
if (standardShot != null && monster.ShotsBounceOff)
{
if (!standardShot.HasRebounded)
standardShot.Reverse();
return false;
}
var score = ((Math.Min(shot.Energy, monster.Energy) >> 1) + 1)*10;
world.IncreaseScore(score);
monster.ReduceEnergy(shot.Energy);
if (monster.IsAlive())
{
var sound = monster.IsEgg ? GameSound.PlayerShootsAndInjuresEgg : GameSound.PlayerShootsAndInjuresMonster;
world.Game.SoundPlayer.Play(sound);
}
world.ConvertShotToBang(shot);
return true;
}
/// <summary>
/// Place short bang at a shot's position and remove the shot
/// </summary>
/// <param name="s">An instance of a shot to convert</param>
public void ConvertShotToBang(Shot s)
{
AddBang(s.Position, BangType.Short);
s.InstantlyExpire();
}
