public UFO(Game game, UFOModel ufoModel, Vector2 position, int strength)
: base(game)
{
this.ufoModel = ufoModel;
SetXY((int)position.X, (int)position.Y);
this.strength = strength;
timeSinceLastShot = TimeSpan.FromMilliseconds(1000 + RandomManager.Instance.Next(500));
int factor = 30;
switch (InvasionGame.Scoreboard.DifficultyLevel) {
case DifficultyLevel.Easy:
factor = 50;
break;
case DifficultyLevel.Medium:
factor = 35;
break;
case DifficultyLevel.Hard:
factor = 30;
break;
}
switch (ufoModel) {
case UFOModel.SilverUFO:
msDelayShoot = 100*factor;
break;
case UFOModel.OrangeUFO:
msDelayShoot = 10*factor;
break;
case UFOModel.RedUFO:
msDelayShoot = 70*factor;
break;
}
extraType = SelectExtra();
}
public Extra.ExtraType SelectExtra()
{
int random = RandomManager.Instance.Next(150);
// Original Invasion Game Chances: 32% (48/150) of UFOs have extras
int weaponsBonusChances = 3; // original game didn't allow 2 consecutive Weapons bonuses; this version does
int pointsBonusChances = 10;
int photonAmmoBonusChances = 14;
int laserAmmoBonusChances = 19;
int shieldBonusChances = 2;
switch (InvasionGame.Scoreboard.DifficultyLevel) {
case DifficultyLevel.Easy: // 42% (63/150) of UFOs have extras
weaponsBonusChances = 6;
pointsBonusChances = 13;
photonAmmoBonusChances = 16;
laserAmmoBonusChances = 22;
shieldBonusChances = 6;
break;
case DifficultyLevel.Medium: // 36% (54/150) of UFOs have extras
weaponsBonusChances = 4;
pointsBonusChances = 11;
photonAmmoBonusChances = 15;
laserAmmoBonusChances = 20;
shieldBonusChances = 4;
break;
case DifficultyLevel.Hard: // 30% (45/150) of UFOs have extras
weaponsBonusChances = 3;
pointsBonusChances = 10;
photonAmmoBonusChances = 12;
laserAmmoBonusChances = 17;
shieldBonusChances = 3;
break;
}
Extra.ExtraType extraType = Extra.ExtraType.NotSet;
int slot = 0;
if (random < (slot += weaponsBonusChances)) {
extraType = Extra.ExtraType.Weapons;
}
else if (random < (slot += pointsBonusChances)) {
extraType = Extra.ExtraType.Hundred;
}
else if (random < (slot += photonAmmoBonusChances)) {
extraType = Extra.ExtraType.PhotonAmmo;
}
else if (random < (slot += laserAmmoBonusChances)) {
extraType = Extra.ExtraType.BlasterAmmo;
}
else if (random < (slot += shieldBonusChances)) {
extraType = Extra.ExtraType.Shield;
}
Debug.WriteLine("UFO ExtraType: " + extraType);
return extraType;
}
