[robertlagrant]

I'm not sure I understood everything here, but I think the tl;dr is that Godot has a powerful new rendering technique called "foreshadowing".

[panzagl]

That why it seems slow- if you want the gun to fire in act 2, you have to show it in act 1.

[meepmorp]

Oh, now I get it - they named the engine after the play, "Waiting for Mr Chekhov."

[CobrastanJorji]

It's new in Godot 4.1.1. When enabled, if two opaque polygons are between the user and a light source, the shading can reflect their relationship.

[xg15]

cue theatrical thunder and lightning