Using Lua scripts with C++

• wesnoth

  131 5,218 9.9 C++

  An open source, turn-based strategy game with a high fantasy theme.

  

In my game I made a Singleton Lua VM class, made a wrapper class (for AI). So when an object is created its component (the AI class) preloads its special script for the object. I exported C/C++ functions to lua VM (such as getPosition, getPlayerPosition, checkCollideTile, ... ) So those functions can be called from the script. Implemented AI::getActions (a C++ function), which "asks" LuaVM to run an update function (from the preload script) for the object. I hope it all make sense. P.S. Keep in mind you can significantly improve your productivity if you use a game engine. Also You can look at FOSS games which use Lua for scripting (i.e, wesnoth: https://github.com/wesnoth/wesnoth )

• LuaJIT

  39 4,379 9.0 C

  Mirror of the LuaJIT git repository

  

Lua is perfectly capable for providing scripting support, both to support mods, or to write gameplay logic. Because of that, it's used in plenty many places. The core engine code can be C/C++, and this is what something like Love2D does, for example. For performance, you can use LuaJIT, if vanilla lua doesn't do it for you.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

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