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This implements a Phong shading with ambient, diffuse and specular components, using up to three directional lights and one specular light. The light calculation is made to match the "high quality" 3D mode of Toushin Toshi 3.
xsystem4
xsystem4 is an implementation of AliceSoft's System 4 game engine for unix-like operating systems.
Compatiblity
See the game compatibility table for a list of games that can be played on xsystem4.
Building
First install the dependencies (corresponding Debian package in parentheses):
- chibi-scheme [optional, for debugger]
- bison (bison)
- cglm (libcglm-dev) [optional, fetched by meson if not available]
- flex (flex)
- freetype (libfreetype-dev)
- glew (libglew-dev)
- meson (meson)
- libffi (libffi-dev)
- libpng (libpng-dev)
- libsndfile (libsndfile-dev)
- libturbojpeg (libturbojpeg0-dev)
- libwebp (libwebp-dev)
- SDL2 (libsdl2-dev)
- zlib (zlib1g-dev)
Then fetch the git submodules,
git submodule init
git submodule update
(Alternatively, pass --recurse-submodules when cloning this repository)
Then build the xsystem4 executable with meson,
mkdir build
meson build
ninja -C build
Finally install it to your system (optional),
ninja -C build install
Running
You can run a game by passing the path to its game directory to the xsystem4 executable,
build/src/xsystem4 /path/to/game_directory
Alternatively, run xsystem4 from within the game directory,
cd /path/to/game_directory
xsystem4
Languages
C
96.5%
GLSL
2.7%
Meson
0.3%
CMake
0.2%
Scheme
0.2%