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Eidolon 6648e55972 Prevent overflow when scaling textures 
Fixes KartKrew/Kart#844 which is caused by scaling the texheight by a
spryscale that is too large, triggering arithmetic overflow before the
overflow check even occurs. This is a performance hit, but should not be
very intense with release optimizations.

Instead, we use saturating arithmetic using the same integer promotion
technique as before, but checking in both directions, and also checking
for the multiplication before the addition.

There is an optimization opportunity here and anywhere that overflow
checks are used, by using compiler intrinsics which check the overflow
flag bit on the CPU instead of using integer promotion.
2024-01-28 12:57:00 -06:00
.circleci Let stop building a NONET build of Kart 2022-09-24 15:56:42 +00:00
android SRB2 2.1 release 2014-03-15 13:11:35 -04:00
assets Read staff ghosts from pk3 directory 2024-01-02 21:05:43 -06:00
cmake Switch from CPM to vcpkg 2023-12-15 02:49:15 +00:00
debian-template Fix Debian (.deb) build from making (Project_root)/bin/Linux 2022-03-18 19:36:45 +00:00
deployer Fix deployer defaults 2020-08-15 11:29:53 -04:00
doc SRB2 2.1.12 release 2014-11-11 19:55:07 -05:00
extras Delete map configs 2023-01-01 18:11:22 -05:00
libs Remove unnecessary ACSVM files from libs 2022-12-27 08:32:13 -05:00
src Prevent overflow when scaling textures 2024-01-28 12:57:00 -06:00
thirdparty Switch from CPM to vcpkg 2023-12-15 02:49:15 +00:00
tools Remove FMOD files 2022-07-23 12:57:46 -05:00
.clang-format clang-format: really avoid return type alone on line 2023-02-10 07:17:38 -08:00
.editorconfig Add srb2::io streams abstraction 2022-12-30 21:15:44 -06:00
.gitattributes avoid the source code from getting the wrong EOL 2019-09-20 12:32:18 -04:00
.gitignore .gitignore: add CMakeUserPresets.json 2022-12-17 21:23:07 -08:00
.travis.yml Merge branch 'master' into the-scary-22-merge 2020-08-12 20:59:09 -04:00
alias-bootstrap.sh alias-bootstrap.sh: use i686-w64-mingw32-cmake-static 2023-02-21 21:56:55 -08:00
Android.mk SRB2 2.1 release 2014-03-15 13:11:35 -04:00
appveyor.yml Backport 2021 SRB2 makefile overhaul 2021-11-25 03:56:23 -08:00
CMakeLists.txt cmake: Set GIT_EXECUTABLE before add_subdirectory(src) 2023-12-23 00:26:42 -05:00
CMakePresets.json CMakePresets.json: define CMAKE_COLOR_DIAGNOSTICS for Ninja presets 2023-12-21 21:53:00 -08:00
comptime.bat comptime.bat: Put @echo off back in 2016-03-14 20:36:37 -05:00
comptime.mk SRB2 2.1 release 2014-03-15 13:11:35 -04:00
comptime.props MSVC: fixed up MSVC project 2016-05-21 23:53:04 -04:00
comptime.sh Starting from scratch. SRB2 v2.1.15 2016-07-06 00:10:19 -04:00
cpdebug.mk Compile Win32 EXE with -gdwarf-2 2014-04-07 10:03:14 -04:00
debian_template.sh Implement deployer scripts for Travis -- OSX and Linux package building [Kart merge] 2018-12-30 15:41:58 -05:00
Doxyfile Remove some more DOS related stuff 2020-07-25 19:15:54 -04:00
LICENSE SRB2 2.1 release 2014-03-15 13:11:35 -04:00
LICENSE-3RD-PARTY.txt Update more third-party licenses 2023-03-29 23:59:31 -07:00
README.md The start of the scary 2.2 merge 2020-05-29 13:43:38 -04:00
srb2-vc9.sln SRB2 2.1 release 2014-03-15 13:11:35 -04:00
srb2-vc10.sln Added ARM/ARM64 to whole vc10 sln 2018-12-21 16:47:10 -05:00
SRB2.cbp Add k_kart files to CB project 2019-01-04 23:09:25 -06:00
Srb2.dev change SDL into HAVE_SDL 2014-07-25 19:10:24 -04:00
srb2.png Icons + other tweaks to rebranding 2022-05-20 19:42:34 -04:00
SRB2_common.props More work to cleanup the ARM builds 2018-12-22 19:50:32 -05:00
SRB2_Debug.props More work to cleanup the ARM builds 2018-12-22 19:50:32 -05:00
SRB2_Release.props More work to cleanup the ARM builds 2018-12-22 19:50:32 -05:00
srb2banner.png Icons + other tweaks to rebranding 2022-05-20 19:42:34 -04:00
vcpkg-configuration.json Switch from CPM to vcpkg 2023-12-15 02:49:15 +00:00
vcpkg.json Switch from CPM to vcpkg 2023-12-15 02:49:15 +00:00

README.md

SRB2Kart

SRB2Kart is a kart racing mod based on the 3D Sonic the Hedgehog fangame Sonic Robo Blast 2, based on a modified version of Doom Legacy.

Dependencies

  • NASM (x86 builds only)
  • SDL2 (Linux/OS X only)
  • SDL2-Mixer (Linux/OS X only)
  • libupnp (Linux/OS X only)
  • libgme (Linux/OS X only)
  • libopenmpt (Linux/OS X only)

Compiling

See SRB2 Wiki/Source code compiling. The compiling process for SRB2Kart is largely identical to SRB2.

Disclaimer

Kart Krew is in no way affiliated with SEGA or Sonic Team. We do not claim ownership of any of SEGA's intellectual property used in SRB2.