native zp_infect_user(id, infector = 0, silent = 0, rewards = 0)
Player index to be infected.
Player index who infected him (optional).
If set, there will be no HUD messages or infection sounds.
Whether to show DeathMsg and reward frags, hp, and ammo packs to infector.
Forces a player to become a zombie. Note: Unavailable for last human/survivor/sniper.
True on success, false otherwise.