[OTACON]

aca te cree un code para ke entiandas mejor y colokes el objeto en la posicion que tu kieres.
saludos.

pawn Код:

/*
[] *modifica las cordenadas pos[0], pos[1], pos[2] del AttachObjectToVehicle Ejemplo:  pos[2]+2 o pos[2]-1
*/
#include <a_samp>
#include <zcmd>
/*
http://gta-sa-mp.de/object/img/single/object-18646.jpg //Luz encendida
http://gta-sa-mp.de/object/img/single/object-19419.jpg //Luz apagada
http://gta-sa-mp.de/object/img/single/object-19420.jpg //Luz encendida
*/
#define OBJ_SIRENA (19420)
new ObjetoSirena[MAX_VEHICLES];

COMMAND:colocar(playerid, params[]) {
    new vehicleid = GetPlayerVehicleID(playerid), Float:pos[5];
    GetVehiclePos(vehicleid, pos[0], pos[1], pos[2]);
    GetVehicleZAngle(vehicleid, pos[3]);
    if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER) {
        if(!IsValidObject(ObjetoSirena[vehicleid])) {
            ObjetoSirena[vehicleid] = CreateObject(OBJ_SIRENA, pos[0], pos[1], pos[2], 0.0, 0.0, pos[3]);
            pos[4] = floatsub(pos[4], pos[3]);
            AttachObjectToVehicle(ObjetoSirena[vehicleid], vehicleid, pos[0], pos[1], pos[2], 0.0, 0.0, pos[4]);
        }
    }
    return true;
}
COMMAND:quitar(playerid, params[]) {
    new vehicleid = GetPlayerVehicleID(playerid);
    if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER) {
        if(IsValidObject(ObjetoSirena[vehicleid])) {
            DestroyObject(ObjetoSirena[vehicleid]);
        }
    }
    return true;
}