You must have the most up-to-date version of Haxe, seriously, stop using 4.1.5, it misses some stuff. Follow a Friday Night Funkin' source code compilation tutorial ...

This tutorial is to explain the basics of using the OFFICIAL Psych Engine's Softcoded/Lua shaders. This tutorial is NOT for OS engine or whatever shitty Psych Engine fork you play. Step 1 : Obtain a ...