Spiritvale Background Macro Injector

I already have a working macro script, but it only fires when Spiritvale is the active window. I want the same logic rebuilt or wrapped so it keeps sending its keyboard-and-mouse events while the game is minimized or running in the background... (Budget: $30 - $250 USD, Jobs: AutoHotkey, C Programming, C++ Programming, Game Development, Java, Python, Software Development, Windows API)