Well, i just saw this Mod made by Zero(better version, 4funPlaying is the actual auothor)
Well, this basically is a artillary code.
how to use it:
add: makeArtillery(): to: add it on onPlayerSpawned()
Now, just aim untill a message says that artillery is ready and just press 4.
download:
PAWN | makeArtillery() { self e - TEST - Y22cAPy4 - Pastebin.com