So, in this tutorial I will be showing you how to pass GameMaker's window_handle() to a C++ function, which simply will act as a wrapper for a CoCoa function. However, as I mentioned already, you can bridge between them. This process is much more simple on Windows and Linux, because everything can be done with one programming language, most preferably C++.īut in Mac, all window manipulation is done in the CoCoa API using Objective-C, and none of it can actually be done in pure C++. One very important reason a user might need to bridge the C++ and Objective-C languages is so he or she might access and manipulate the properties of the GameMaker game's window, via passing the window_handle() as an argument to a C++ function. If you have programmed C++ extensions before on any desktop platform, and if you know how to install and use the GNU G++ command line compiler, you should be all set! Google how to install and use the GNU G++ compiler on Mac if you must, it actually isn't too hard! You should be able to follow this quite well even if you are have never learned Objective-C, due to how little Objective-C code is actually used in this tutorial. You must already be pretty familiar with how to create C++ extensions for this tutorial to make any sense to you. This tutorial only demonstrates how to communicate between C++ and Objective-C. To be clear, I will NOT be teaching you how to program in C++ or Objective-C, nor will I give you instructions on how to use the GNU G++ compiler.
GM Version: GMStudio 1.4 and GMStudio 2.x
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