Hey guys just going to leave my sources on here (I am Muskelprotze from 7s). Note to anyone on the dev team: If you ask, I'll probably send you the full thing I have backed up on my google drive 
Weapons:
Weapon Mods
Main menu:
Vars.h
Setup.cpp
Menu_functions.cpp
Core.cpp
Main.cpp
Addon loader:
Addon_loader.cpp
Add to natives.h:
Code:
extern uint GET_HOST_ID(void);
extern bool REQUEST_CONTROL_OF_NETWORK_ID(int netid);
extern void GET_NETWORK_ID_FROM_VEHICLE(Vehicle vehicle, int *netid);
extern bool HAS_CONTROL_OF_NETWORK_ID(int netid);
extern void SET_NETWORK_ID_CAN_MIGRATE(int netid, bool value);
extern bool IS_NETWORK_SESSION(void);
extern void SHUTDOWN_AND_LAUNCH_NETWORK_GAME(ScriptAny);
extern void SHUTDOWN_AND_LAUNCH_SINGLE_PLAYER_GAME(void);
extern bool NETWORK_IS_PLAYER_TALKING(int playerid);
extern bool NETWORK_IS_PLAYER_MUTED_BY_ME(int playerid);
extern void NETWORK_KICK_PLAYER(int playerid,bool value);
Add to common.h
Code:
void print(char* text){
CLEAR_PRINTS();//Clears already printed text
PRINT_STRING_WITH_LITERAL_STRING("string",text,1500,true);
}
Don't know how to compile? Look here