drawGrayscaleBitmap masking not functioning

[AdansWorkshop]

• Arduino board: DVI RP2040 Feather
• Arduino IDE version (found in Arduino -> About Arduino menu): 2.1.0

aquarium.ino.txt
sprites.h.txt

I messed with the aquarium example to get my own sprites in but the mask isn't working right. When I use the mask as the sprite, it looks correct but when I use it with the actual sprite as a mask, it masks lines through the sprite and specific parts of the sprite. It's the same every time but I can't get it to work properly. There is a time issue too because I'm using this board in a competition for making portable game systems.