Custom Texture Problem (Moire Patterns?)

I think all (or, at least the majority) of you know about Minecraft, right? Well, I had the idea of making a map in that style, mainly for the funserver I run, but when testing the textures I converted I ran into this problem on this test map:



This is, of course, completely nauseating. Is there anyway to prevent this with mipmapping? Or any other way besides simply limiting the player's view by putting walls in the right places? (Maybe it also has something to do with the correct lighting?)

Jesus Christ, turns out I'm an idiot. :facepalm: No wonder this effect shows up when I use the suggested startup commands from the Valve Dev Wiki which set AA and Texture Filtering to low. :blushing: