The cheater who shot you through a wall got your location from the game itself. For 20 years, shooters beamed every player's exact position to every PC in the match, hidden or not. Wallhack software never broke in. It just drew on screen what the game already delivered. Games did this on purpose. If the server waits until you can physically see an opponent before telling your machine where they are, that player pops into existence a few frames late every time you peek a corner. In a gunfight…