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Misa 6e832cae20 LoadImage: Check LodePNG return value and print errors 
Dvoid from Discord just reported a crash when trying to load a
custom tiles2.png that was encoded weirdly.

The problem is that we don't check the return value from LodePNG, so
LodePNG gives us a null pointer, and then
SDL_CreateRGBSurfaceWithFormatFrom doesn't check this null pointer,
which then propagates until we crash in SDL_ConvertSurfaceFormat (or
rather, one of its sub-functions), and we would probably crash somewhere
else anyway if it continued.

After properly checking LodePNG's return value, along with printing the
error, it turns out that Dvoid's custom tiles2.png had an "invalid CRC".
I don't know what this means but it sounds worrying. `feh` can read the
file correctly but it also reports a "CRC error".
2021-11-14 14:02:51 -08:00
.github Update CentOS CI container used to Misa's container 2021-09-23 12:26:50 -07:00
desktop_version LoadImage: Check LodePNG return value and print errors 2021-11-14 14:02:51 -08:00
mobile_version Fix 1x1 quicksand collision optimization not working 2020-05-13 08:16:34 -04:00
third_party Make PhysFS RWops work with -DBUNDLE_DEPENDENCIES=OFF 2021-08-31 23:09:13 -07:00
tools Adding original mapping tools for the sake of completeness 2020-01-12 19:49:24 +01:00
.gitattributes fix actionscript misclassified as angelscript 2020-01-12 15:18:45 -05:00
License exceptions.md Update license exceptions last updated date 2021-08-24 09:10:23 -07:00
LICENSE.md Updated link to Make and Play edition 2020-01-13 19:37:50 +01:00
README.md Update README.md 2020-01-10 17:45:29 +01:00

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

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).