Alles klar, dann könntest du es so machen:
static const a_rang[] = {"User","Probe Supporter","Supporter","Moderator","Administrator","Rcon.Admin","TeamLeiter","CEO"};
static bool:oc;
ocmd:oooc(playerid) {
if(!GetPVarInt(playerid,"Adminlevel")) return SendClientMessage(playerid,-1,"Du bist kein Administrator!");
if(!oc) return oc=true,SendClientMessage(playerid,-1,"Du hast den OOC-Chat aktiviert!");
return oc=false,SendClientMessage(playerid,-1,"Du hast den OOC-Chat deaktiviert!");
}
ocmd:ooc(playerid,params[]) {
if(!oc) return SendClientMessage(playerid,-1,"Der OOC-Chat ist deaktiviert!");
if(!params[0]) return SendClientMessage(playerid,-1,"Verwendung: /ooc [Text]");
new text[144],name[MAX_PLAYER_NAME];
GetPlayerName(playerid,name,MAX_PLAYER_NAME);
return format(text,144,"* %s %s: %s",a_rang[GetPVarInt(playerid,"Adminlevel")],name,params),SendClientMessageToAll(-1,text);
}
-1 Ist die Farbe (weiß), kannst du überall anpassen wenn du willst 
mfg. 
//Edit: Achso den Namen vergessen.