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These casts are sprinkled all throughout the graphics code when creating and initializing an SDL_Rect on the same line. Unfortunately, most of these are unnecessary, and at worst are wasteful because they result in narrowing a 4-byte integer into a 2-byte one when they don't need to (SDL_Rects are made up of 4-byte integers). Now, removing them reveals why they were placed there in the first place - a warning is raised (-Wnarrowing) that implicit narrowing conversions are prohibited in initializer lists in C++11. (Notably, if the conversion wasn't narrowing, or implicit, or done in an initializer list, it would be fine. This is a really specific prohibition that doesn't apply if any of its sub-cases are true.) We don't use C++11, but this warning can be easily vanquished by a simple explicit cast to int (similar to the error of implicitly converting void* to any other pointer in C++, which works just fine in C), and we only need to do it when the warning is raised (not every single time we make an SDL_Rect), so there we go.
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).