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VVVVVV 2.2 only supported displaying characters 00-7F with its font system. VVVVVV 2.3 added support for unicode, by supplying a font.txt with all the characters that are in the font image. But 2.3 made another change that I didn't immediately realize, even after reading the code: if font.txt is not present, then the font is not assumed to have _only_ 00-7F, but _all_ of unicode, as far as the image dimensions allow. However, an inconsistency I _did_ notice is how unknown characters would be rendered in 2.3. If a font had a font.txt, then any unknown characters would be shown as a '?'. If a font had no font.txt however, then suddenly any unknown characters would just come out as a space. I fixed this behavior with the new font system; but what was actually happening for characters to come out blank is that characters up to U+00FF, which _were_ technically in the font image but as fully transparent, would be shown as they were in the image, and characters beyond U+00FF wouldn't be shown since they were outside of the image. I don't really want to show blank characters for any character between 80-FF if it is technically inside the image, because pretty much every single ASCII-only font.png in existence (including the one in data.zip) contains a blank lower half, just because the font in the game had always had this specific resolution. (We didn't want to do things that might crash the game because something was different from what it expected...) We have had some confusing occasions before with the old behavior where the fonts weren't correctly packaged or something (like when the Catalan translator was sent the first version of the translator pack, or when people customize their fonts wrong) and special characters were just blank spaces. So, instead, for characters beyond 7F, I decided to consider them part of the font, as long as they are not blank. That means, if a character beyond the ASCII range has any (non-alpha-0) pixels, then it will be added, otherwise it won't be. This is just to handle legacy fonts, and the case where all fonts are missing and the one from data.zip is used; new fonts should just use .fontmeta or .txt to define their characters. |
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README.md
This is the source code to VVVVVV, version 2.0+. For more context about this release, see the announcement on Terry's blog!
License
VVVVVV's source code is made available under a custom license. See LICENSE.md for more details.
In general, if you're interested in creating something that falls outside the license terms, get in touch with Terry and we'll talk about it!
Authors
- Created by Terry Cavanagh
- Room Names by Bennett Foddy
- Music by Magnus Pålsson
- Metal Soundtrack by FamilyJules
- 2.0 Update (C++ Port) by Simon Roth
- 2.2 Update (SDL2/PhysicsFS/Steamworks port) by Ethan Lee
- Beta Testing by Sam Kaplan and Pauli Kohberger
- Ending Picture by Pauli Kohberger
Versions
There are two versions of the VVVVVV source code available - the desktop version (based on the C++ port, and currently live on Steam), and the mobile version (based on a fork of the original flash source code, and currently live on iOS and Android).