if(keystate[SDLK_n]){if(last_c!='n'){hud->SwitchNebel(!hud->Nebel);last_c='n';}}
else if(keystate[SDLK_g]){if(last_c!='g'){hud->SwitchGitter(!hud->Gitter);last_c='g';}}
else if(keystate[SDLK_s]){if(last_c!='s'){hud->SwitchScan(!hud->Scan);last_c='s';}}
else if(keystate[SDLK_r]){if(last_c!='r'){hud->SwitchReichweite(!hud->Reichweite);last_c='r';}}
else if(keystate[SDLK_m]){if(last_c!='m'){hud->SwitchMunition(!hud->Munition);last_c='m';}}
else if(keystate[SDLK_t]){if(last_c!='t'){hud->SwitchTreffer(!hud->Treffer);last_c='t';}}
else if(keystate[SDLK_f]){if(last_c!='f'){hud->SwitchFarben(!hud->Farben);last_c='f';}}
else if(keystate[SDLK_n]){if(last_c!='n'){hud->SwitchStatus(!hud->Status);last_c='n';}}
else if(keystate[SDLK_d]){if(last_c!='d'){hud->SwitchStudie(!hud->Studie);last_c='d';}}