Libbet and the Magic Floor

[tepples]

Libbet and the Magic Floor v0.06 (2020-07-03)

Now it's in color.

Highlights:

• Widen squash in landing cel
• Super Game Boy and Game Boy Color enhancement
• Scroll to center between debrief and copyright notice
• Code size optimizations

Download the GitHub release or the ROM and source code zipfile:

libbet-0.06.zip

[tepples]

Libbet and the Magic Floor v0.07 is out

This release incorporates a graphical facelift based on feedback in various Discord servers.

Highlights:

• Achievements: Don't get stuck if player earns "No scope" just before reaching the exit
• Wall facelift: Add volume and top-to-bottom gradient to wall (suggested by Daid); remove shear on side walls (suggested by DragonDePlatino); define door frame (suggested by M-Tee); darken area outside floor on GBC
• Add a shade to the underside of Libbet's body
• Floor: Larger dots on black tile (suggested by DragonDePlatino); larger flat areas on dark gray vent/grating tile moving detail to corners; square off corners (suggested by IRCWIP)
• Compute entire GBC palette before copying it first frame (reported by toxa)
• Switch to slightly faster random number generator
• Work around crash on boot related to STAT IRQ in VisualBoyAdvance
• Document sprite sheet rectangle list syntax (requested by ISSOtm)
• Switch from dedenter to RGBDS 0.4.0 indented local labels

Download ROM and source zipfile below (114 kB) or from the GitHub release

[Nikku4211]

I finished the game for the umpteenth time and I still don't know what happened after Libbet left the last stage lol.

[tepples]

Libbet and the Magic Floor v0.08 is out with improvement to onboarding new players.

Highlights:

• Revamp instructions with visual aids and add tutorial floor "Closet"
• Wait before detecting Super Game Boy
• Correct note periods to concert pitch
• Make shadow during jump more visible
• SGB, GBC: Lighten green to reduce Helmholtz-Kohlrausch illusion
• SGB: make border tile 0 transparent to reduce flash during fade
• Add an experimental way of allocating subroutines local variables, using a new feature of RGBDS 0.7
• Allow building with out-of-tree RGBDS for regression testing (RGBDS 0.7 includes this project as a test case! gbdev/rgbds#1260)

Download: ROM and source code (below); GitHub release

[calima]

Why the wait before detecting SGB? Just curious if there's some quirk etc.

[tepples]

There is indeed a quirk. SGB system software starts the Game Boy core before it is ready to receive command packets from the running game. This is more evident when running from a single-game cartridge (such as GB-LIVE32) than from a flash cart that has its own menu.