Dr. Robotnik's Ring Racers
Dr. Robotnik's Ring Racers is a kart racing video game originally based on the 3D Sonic the Hedgehog fangame Sonic Robo Blast 2, itself based on a modified version of Doom Legacy.
Ring Racers' source code is available to users under the GNU General Public License version 2.0 or higher.
Links
Disclaimer
Dr. Robotnik's Ring Racers is a work of fan art made available for free without intent to profit or harm the intellectual property rights of the original works it is based on. Kart Krew Dev is in no way affiliated with SEGA Corporation. We do not claim ownership of any of SEGA's intellectual property used in Dr. Robotnik's Ring Racers.
Development
Building from Source
Ring Racers is built using a compatible C++ toolchain (GCC, MinGW, Clang and Apple Clang as of this writing), CMake, and Microsoft vcpkg. The compiler and runtime libraries must support the ISO C++17 standard and ISO C11 standard.
On Linux platforms, you will need the following libraries available on the system.
- libcurl
- zlib
- libpng
- libogg
- libvorbis
- libvpx
- libyuv
- SDL2
On Windows and macOS, you will need to install vcpkg instead to build these dependencies alongside the game.
To configure and build the game, there are CMake presets (declared in CMakePresets.json). These presets require the ninja build script tool in addition to cmake and your C++ toolchain. Here is a non-exhaustive list of them:
- ninja-debug: non-optimized, assertions enabled
- ninja-develop: optimized, assertions enabled
- ninja-release: optimized
- ninja-x86_mingw_static_vcpkg-debug
- ninja-x86_mingw_static_vcpkg-develop
- ninja-x86_mingw_static_vcpkg-release
- ninja-x64_osx_vcpkg-debug
- ninja-x64_osx_vcpkg-develop
- ninja-x64_osx_vcpkg-release
- ninja-arm64_osx_vcpkg-debug
- ninja-arm64_osx_vcpkg-develop
- ninja-arm64_osx_vcpkg-release
These presets depend on the VCPKG_ROOT environment variable being specified before the first run of the cmake command. Their build directories are pre-configured as subdirectories of build/.
After all prerequisites are set-up, configure and build using the following commands, adjusting according to your target system:
cmake --preset ninja-x86_mingw_static_vcpkg-develop
cmake --build --preset ninja-x86_mingw_static_vcpkg-develop