OpenDBC

OpenDBC runs DarkBASIC Classic and DarkBASIC Professional programs on modern systems. It is a single opendbc executable, a Studio and a command line, written in C++20 on SDL3 GPU (Vulkan, Metal). It is an independent project, not affiliated with The Game Creators or Dark Basic Software Limited.

sync on
make object cube 1, 10
position object 1, 0, 0, 50
do
    yrotate object 1, object angle y(1) + 1
    sync
loop

Build and run

Requires CMake 3.24+, Ninja and a C++20 compiler (Visual Studio 2022+ on Windows).

cmake --preset default
cmake --build --preset default

opendbc                                   # open the Studio
opendbc run game.dba --dialect dbc        # run a Classic program
opendbc run project.dbpro                 # run a Professional project
opendbc check game.dba --dialect dbpro    # compile and verify only

Test

ctest --preset default

• BASIC execution goldens: 77.
• Full corpus expectations: 95 sources, including 85 that reach verified bytecode.
• Observable implemented-overload contracts: 1685.

Documentation

Topic	Where
CLI, Studio, exports, debugging	docs/usage.md
Studio Scene view (level editor)	docs/level-editor.md
Code layout, language pipeline, compatibility rules, tests	docs/architecture.md
Renderer frame, its costs and how to measure them	docs/rendering.md
Commands and their support state, per profile	docs/reference/
Desktop VR	docs/vr.md
DBPro BSP worlds	docs/bsp.md
Classic animations (video)	docs/video.md
Classic multiplayer	docs/network.md
Native plugins (Classic DLLs)	docs/plugins.md
Example programs	examples/README.md
Logos, social headers, wallpapers	docs/branding.md
Questions about content and the name	docs/faq.md
Contributing, code of conduct	docs/CONTRIBUTING.md, docs/CODE_OF_CONDUCT.md
Security and reporting vulnerabilities	docs/SECURITY.md
Changes per version	CHANGELOG.md
Remaining work	docs/roadmap.md

Licence

MIT, see LICENSE. Trademarks and third-party content are listed in docs/NOTICE.md.