[OTACON]

pawn Код:

function UpdateTextDrawAlquiler(playerid) {
    new string[256];
    if(AlquilerInfo[playerid][aEstadoAlquiler] == 0) {
        Delete3DTextLabel(Alquiler3DText[playerid]);
        DestroyPickup(AlquilerPickup[playerid]);
        format(string, sizeof(string), "{00FF7B}Propiedad en alquiler\nValor: %d$\nID: %d\nUtilice /alquilar",AlquilerInfo[alquilerid][aPrecioRenta],AlquilerInfo[playerid][aAlquilerID],AlquilerInfo[playerid][aAlquilerID]);
        Alquiler3DText[playerid] = Create3DTextLabel(string,COLOR_GREEN, AlquilerInfo[playerid][aEntradaX], AlquilerInfo[playerid][aEntradaY], AlquilerInfo[playerid][aEntradaZ],40.0,0,0);
        AlquilerPickup[playerid] = CreatePickup(1273, 1, AlquilerInfo[playerid][aEntradaX], AlquilerInfo[playerid][aEntradaY], AlquilerInfo[playerid][aEntradaZ],-1);
        printf("%s", string);
    }
    else
    {
        Delete3DTextLabel(Alquiler3DText[playerid]);
        DestroyPickup(AlquilerPickup[playerid]);
        AlquilerPickup[playerid] = CreatePickup(1239, 1, AlquilerInfo[playerid][aEntradaX], AlquilerInfo[playerid][aEntradaY], AlquilerInfo[playerid][aEntradaZ],-1);
        format(string, sizeof(string), "{F2FF00}Propiedad alquilada \n Propietario: %s \nID: %d",AlquilerInfo[playerid][aPropietario],AlquilerInfo[playerid][aAlquilerID]);
        Alquiler3DText[playerid] = Create3DTextLabel(string,COLOR_GREEN, AlquilerInfo[playerid][aEntradaX], AlquilerInfo[playerid][aEntradaY], AlquilerInfo[playerid][aEntradaZ],40.0,0,0);
        printf("%s", string);
    }
    return 1;
}

te recomiendo usar la variable AlquilerInfo[playerid][aEstadoAlquiler] con bool (negativo y positivo)