What an intriguing combination of keywords! While there's no direct "story" associated with these terms, I'll weave a narrative around them.

In the world of computer graphics, the quest for realism had reached an all-time high. Researchers and developers were pushing the boundaries of what was thought possible. Amidst this excitement, a team of enthusiasts, led by a passionate individual known only by their handle "RTGI_033," embarked on a mission to create something revolutionary.

The was not just a mod; it was a movement. It proved that with clever coding, real-time global illumination was possible without $1,200 graphics cards or developer support.