A (broken) SDL2 game made in 48 hours

Related tags

Game Twini-Golf
Overview

Twini-Golf

Twini-Golf is a game created in 48 hours for the 2021 GMTK Game Jam using C++ and SDL2. It can be played on itch.io.

Screenshots

Background

Twini-Golf is an experimental mini golf game where you play on multiple golf courses at once, simultaneously controlling each ball. More information on how to play is available on the game's itch.io page.

Compiling

Windows

After installing Mingw64, SDL2, SDL_Image, SDL_TTF, and SDL_Mixer, execute the following command in the project's root directory:

g++ -c src/*.cpp -std=c++14 -O3 -Wall -m64 -I include -I C:/SDL2-w64/include && g++ *.o -o bin/release/main -s -L C:/SDL2-w64/lib -lmingw32 -lSDL2main -lSDL2 -lSDL2_image -lSDL2_ttf -lSDL2_mixer && start bin/release/main

The compiled .exe is located in ./bin. For it to run, you must copy the ./res folder as well as all .dll files from your SDL installation to its directory.

Linux

After installing the dev packages of SDL2 for your distribution, execute the following command in the project's root directory:

g++ -c src/*.cpp -std=c++14 -O3 -Wall -m64 -I include && mkdir -p bin/release && g++ *.o -o bin/release/main -s -lSDL2main -lSDL2 -lSDL2_image -lSDL2_ttf -lSDL2_mixer

The compiled binary main is located in ./bin. For it to run, you must copy the ./res folder to its directory.

Web (Untested)

Install emscripten and execute the following command in the project's root directory:

emcc src/main.cpp src/entity.cpp src/renderwindow.cpp src/ball.cpp src/tile.cpp src/hole.cpp -I include -O2 -s USE_SDL=2 -s USE_SDL_IMAGE=2 -s \"SDL2_IMAGE_FORMATS=['png']\" -s USE_SDL_TTF=2 -s USE_SDL_MIXER=2 --preload-file res -o index.html

The compiled .js, .wasm, .data, and .html files are located in the project's root.

Contributing

Pull requests are welcome! For major refactors, please open an issue first to discuss what you would like to improve. Feel free to create a fork of this repository or use the code for any other noncommercial purposes.

Comments
  • distribution is still hard (can't launch on Win11)

    distribution is still hard (can't launch on Win11)

    Just came across your video on this - love it! High5 for the work and putting this together.

    • Downloaded latest zip from Itch.io page
    • Attempted to run binary
    • Missing libgcc_s_seh-1.dll
    • Missing libstdc++-6.dll
    • Game execution halts there

    Screenshot 2022-01-01 093031

    Screenshot 2022-01-01 093131

    • I'll attempt to build the source in something like Visual Studio to see if that helps? 🤷
    opened by erikyuzwa 3
  • fix UB

    fix UB

    The original code returned a pointer using std::string s on the stack. ~~This worked fine in g++ but the text rendered was garbage with MSVC, because it's UB~~ EDIT: this bug only happens in debug compilation it seems, not a big deal. <3 you Polymars!!

    opened by nottnottloop 2
  • Fixed stroke text, splashbg

    Fixed stroke text, splashbg

    Hi, I had a problem, I couldn't see the number of the strokes, the reason is that you were returning pointer to std::string but the string is defined on the stack and will be released when the function returns. so I changed the function to return std::string and use c_str when rendering the text with SDL, with gcc I was getting "Strokes: " with no number, with clang I was getting "Strokes: 0" and it worked correctly, I think it's due to the optimizations the compiler does, because when compiling without the -O3 flag the game will crash, also there was a typo with the splashbg.png. I'm new to c++ so if my understanding is wrong please correct me, Thanks

    opened by mohad12211 2
  • Update main.cpp

    Update main.cpp

    Compiled the source code and found getStrokeText and getLevelText to have some undefined behavior. Seems to be a dangling pointer returning memory allocated on a stack. Please recompile the source code to check for any errors.

    opened by joshuang321 0
  • Game is missing some DLL's

    Game is missing some DLL's

    The itch.io download has some dll's missing, more specifically: libstdc++-6.dll libgcc_s_seh-1.dll You can find them at the bin directory of mingw64.

    Edit: it works normally on pc's with mingw installed because the dlls are in the system path

    opened by Undefine-Unity 0
  • Add Cmake Build system

    Add Cmake Build system

    I install SDL2 by Pacman package manager in msys2 for mingw-w64 and simply use Cmake for add libraries ,compile and run for VSCode in Windows11. The SDL2_image mixer ttf don't have CMake Locate library Script ! , i add that as submodule . Also simple linking way commented in CMakeLists.txt but it's different for any system!

    opened by liyanboy74 0
  • Making use of Visual Studio 2019 community

    Making use of Visual Studio 2019 community

    • Updated folder structure to include VS2019 compatible solution file
    • Small reorganization of header files

    Screenshot 2022-01-01 100015

    • I copied the res assets into a test folder along with the release build of the binary and everything launched ok for me
    • Just hope it helps someone else who might want to play with this
    opened by erikyuzwa 0
  • Multiple fixes...

    Multiple fixes...

    • Fixed init() printing out SDL Errors instead of TTF/IMG Errors.
    • Fixed init() printing out "TTF_init has failed. Error: " everytime TTF_Init initalized correctly.
    • Fixed crash on startup by changing char* to std::string on levelText and strokeText getter functions.
    • Fixed splashBg not being loaded. These are all the bugs I noticed while trying to compile on Linux with g++.
    opened by opsuu 1
Owner
PolyMars
PolyMars
GitHub
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