YYToolkit

YYToolkit is a tool for creating mods and altering GameMaker games.

Currently, only Windows is supported.

Features

• Intercepting script calls and object events
  • Executing your own code before or after the event
  • Cancelling the event
• Calling any GML function, from any instance
• Plugin support
  • The tool provides various functions to aid with modifying game code.
    • Intercept and change any built-in function call
    • Intercept any script call
    • Intercept any object event (Draw, Step), change their bytecode, cancel them...
    • Intercept any game errors to create your own error dialogs
    • Run code every game frame (TAS frame counter?)
    • Run code even before the game is started!
    • and more!
• Full compatibility with existing tools like UndertaleModTool or Dogscepter.

Directory Structure

• MakeConfig - a directory for make files - currently unused, I don't even know how it works tbh.
• Plugins - Contains source code of all the plugins
  • ExamplePlugin - Source code for the Example plugin
  • Chapter2_EnableDebug - Source code for the Chapter 2 Debug plugin
  • Chapter2_HardMode - Source code for the Hard Mode plugin
• YYLauncher - Source code for the launcher
• YYToolkit - Source code for the DLL

Contributors

• MousieDev for creating makefiles (which I'm not sure even work at this point)
• Miepee for the awesome icon!