private void SetUnlocksForMission(int mission)
{
drawAliens.Clear();
projImgs.Clear();
projRects.Clear();
otherUnlockImgs.Clear();
otherUnlockRects.Clear();
unlocks.Clear();
unlockPositions.Clear();
// Check and add any aliens for the level first
if (GameInfo.AlienVisibilityLvls.ContainsKey(mission))
{
List <Aliens> aliens = GameInfo.AlienVisibilityLvls
.Where(x => x.Key == mission)
.Select(kvp => kvp.Value)
.ToList();
for (int i = 0; i < aliens.Count; i++)
{
Alien newAlien = GameInfo.CreateAlien(aliens[i], false, 1000, 1000, ALIEN_WIDTH,
ALIEN_HEIGHT, null);
newAlien.ShowHealthbar = false;
drawAliens.Add(newAlien);
unlocks.Add(Language.Translate("New Alien") + ": " +
Language.Translate(GameInfo.ToText(aliens[i])));
unlockPositions.Add(new Vector2());
}
}
// Now check and add projectiles
if (GameInfo.ProjVisibilityLvls.ContainsValue(mission))
{
List <ProjectileType> projs = GameInfo.ProjVisibilityLvls
.Where(x => x.Value == mission)
.Select(kvp => kvp.Key)
.ToList();
for (int i = 0; i < projs.Count; i++)
{
projImgs.Add(Utilities.GetIconOf(projs[i]));
projRects.Add(new Rectangle(0, 0, ITEM_SIZE, ITEM_SIZE));
unlocks.Add(Language.Translate("New Projectile") + ": " +
Language.Translate(projs[i].ToString().AddSpaces()));
unlockPositions.Add(new Vector2());
}
}
// Finally, check for special features added in levels (such as shields or cannon upgrades)
if (mission == GameInfo.SHIELD_LVL)
{
otherUnlockImgs.Add(Utilities.AlienShieldImg);
otherUnlockRects.Add(new Rectangle(0, 0, ITEM_SIZE, ITEM_SIZE));
unlocks.Add(Language.Translate("Alien Shields"));
unlockPositions.Add(new Vector2());
}
}
