Really good Xplosis, thanks! There's just a little mistake on the snow one, this:
;Artificial Intelligence Script
;Header
desc = Goggles on/off using G key
;Triggers
:state=0:hudreset,hudx=50,hudy=50,hudimagefine=gamecore/huds/goggles_snow.png,hudname=goggles,hudhide=1,hudmake=display,state=1
:state=1,scancodekeypressed=34:hudshow=goggles_snow,state=2
:state=2,scancodekeypressed=0:state=3
:state=3,scancodekeypressed=34:hudunshow=goggles_snow,state=4
:state=4,scancodekeypressed=0:state=1
;End of Script
...should be of course:
;Artificial Intelligence Script
;Header
desc = Goggles on/off using G key
;Triggers
:state=0:hudreset,hudx=50,hudy=50,hudimagefine=gamecore/huds/goggles_snow.png,hudname=goggles_snow,hudhide=1,hudmake=display,state=1
:state=1,scancodekeypressed=34:hudshow=goggles_snow,state=2
:state=2,scancodekeypressed=0:state=3
:state=3,scancodekeypressed=34:hudunshow=goggles_snow,state=4
:state=4,scancodekeypressed=0:state=1
;End of Script