[TUTORIAL] Criar sistema de cash/gold/dinheiro

#include a_samp
#include zcmd

new _@Gold[MAX_PLAYERS];

stock s_Gold(playerid,const unidades) return _@Gold[playerid] = unidades;//Seta
stock d_Gold(playerid,const unidades) return _@Gold[playerid] + unidades;//Adciona
stock r_Gold(playerid,const unidades) return _@Gold[playerid] - unidades;//Diminui
stock c_Gold(playerid) return _@Gold[playerid] = 0;//Reseta

public OnPlayerConnect(playerid)
{
    s_Gold(playerid,50);
    return 1;
}

CMD:vida(playerid)
{
    if(!(_@Gold[playerid] >= 20)) return SendClientMessage(playerid,-1,"Golds insuficientes");
    SetPlayerHealth(playerid,100);
    return 1;
}