private void modEnforceBounds(On.Celeste.Level.orig_EnforceBounds orig, Level self, Player player) {
if (isTheoCrystalsEverywhere() && !isAllowLeavingTheoBehind() &&
// the player is holding nothing...
(player.Holding == null || player.Holding.Entity == null || !player.Holding.IsHeld ||
// or this thing is not a Theo crystal (f.e. jellyfish)
(player.Holding.Entity.GetType() != typeof(TheoCrystal) && player.Holding.Entity.GetType() != typeof(ExtendedVariantTheoCrystal) && player.Holding.Entity.GetType() != typeof(ExtendedVariantTheoCrystalGoingOffscreen))) &&
// but there is a Theo crystal on screen so the player has to grab it
self.Tracker.CountEntities<ExtendedVariantTheoCrystal>() != 0) {
// the player does not hold Theo, check if they try to leave the screen without him
Rectangle bounds = self.Bounds;
if (player.Left < bounds.Left) {
// prevent the player from going left
player.Left = bounds.Left;
player.OnBoundsH();
} else if (player.Right > bounds.Right) {
// prevent the player from going right
player.Right = bounds.Right;
player.OnBoundsH();
} else if (player.Top < bounds.Top) {
// prevent the player from going up
player.Top = bounds.Top;
player.OnBoundsV();
} else if (player.Bottom > bounds.Bottom) {
if (SaveData.Instance.Assists.Invincible) {
// bounce the player off the bottom of the screen (= falling into a pit with invincibility on)
player.Play("event:/game/general/assist_screenbottom");
player.Bounce(bounds.Bottom);
} else {
// kill the player if they try to go down
player.Die(Vector2.Zero);
}
} else {
// no screen transition detected => proceed to vanilla
orig(self, player);
}
} else {
// the variant is disabled, we are allowed to leave Theo behind, or the player is holding Theo => we have no business here.
orig(self, player);
}
}
