private static void Bang(Player shooter, Player victim)
{
if (shooter.IsPlayerDead)
throw new InvalidOperationException("Shooter is dead and cannot shoot.");
if (victim.IsPlayerDead)
throw new InvalidOperationException("Victim is already dead and cannot be shot at.");
var shooterGun = Gun.None;
if (shooter.IsLeftGunDead) shooterGun = Gun.Right;
else if (shooter.IsRightGunDead) shooterGun = Gun.Left;
var victimGun = Gun.None;
if (victim.IsLeftGunDead) victimGun = Gun.Right;
else if (victim.IsRightGunDead) victimGun = Gun.Left;
if (shooterGun != Gun.None && victimGun != Gun.None)
{
// This is the no-brainer move since both guns are fixed
}
else if (shooterGun != Gun.None && victimGun == Gun.None)
{
var shooterGunDamage = shooter.GetGunDamage(shooterGun);
victimGun = shooter.BangStrategy.BangOneOnTwo(shooterGunDamage, victim.LeftGun, victim.RightGun);
}
else if (shooterGun == Gun.None && victimGun != Gun.None)
{
var victimGunDamage = victim.GetGunDamage(victimGun);
shooterGun = shooter.BangStrategy.BangTwoOnOne(shooter.LeftGun, shooter.RightGun, victimGunDamage);
}
else if (shooterGun == Gun.None && victimGun == Gun.None)
{
var res = shooter.BangStrategy.Bang(shooter.LeftGun, shooter.RightGun, victim.LeftGun, victim.RightGun);
shooterGun = res.Item1;
victimGun = res.Item2;
}
else
{
throw new InvalidOperationException("Undefined scenario for shooterGun and victimGun.");
}
// Apply damage
switch (shooterGun)
{
case Gun.Left: victim.ApplyDamage(victimGun, shooter.LeftGun); break;
case Gun.Right: victim.ApplyDamage(victimGun, shooter.RightGun); break;
}
}
private static Player BangMultiPlayer(Player shooter, IList<Player> aliveVictims)
{
if (shooter.MultiPlayerBangStrategy == null)
throw new InvalidOperationException("This method can only be used when an IMultiPlayerBangStrategy exists.");
if (shooter.IsPlayerDead)
throw new InvalidOperationException("Shooter is dead and cannot shoot.");
var victims = aliveVictims
.Select(p => new Tuple<int?, int?>(p.IsLeftGunDead ? (int?)null : p.LeftGun,
p.IsRightGunDead ? (int?)null : p.RightGun))
.ToArray();
Gun shooterGun;
Gun victimGun;
int victimIndex;
if (shooter.IsLeftGunDead)
{
var res = shooter.MultiPlayerBangStrategy.Bang(shooter.RightGun, victims);
shooterGun = Gun.Right;
victimIndex = res.Item1;
victimGun = res.Item2;
}
else if (shooter.IsRightGunDead)
{
var res = shooter.MultiPlayerBangStrategy.Bang(shooter.LeftGun, victims);
shooterGun = Gun.Left;
victimIndex = res.Item1;
victimGun = res.Item2;
}
else
{
var res = shooter.MultiPlayerBangStrategy.Bang(shooter.LeftGun, shooter.RightGun, victims);
shooterGun = res.Item1;
victimIndex = res.Item2;
victimGun = res.Item3;
}
var victim = aliveVictims[victimIndex];
Console.WriteLine("{0} shoots with {1} gun at {2}'s {3} gun", shooter.Name, shooterGun, victim.Name, victimGun);
// Apply damage
switch (shooterGun)
{
case Gun.Left: victim.ApplyDamage(victimGun, shooter.LeftGun); break;
case Gun.Right: victim.ApplyDamage(victimGun, shooter.RightGun); break;
}
return victim;
}