Trani's GTA IV Grenade Mode Eng

#define FILTERSCRIPT
#include <a_samp>
#if defined FILTERSCRIPT

new grenade;
new trangr[MAX_PLAYERS];
new Float:ox, Float:oy, Float:oz;
new timer1;

forward boom();

#endif
public OnFilterScriptExit()
{
KillTimer(timer1);
return 1;
}

public OnPlayerConnect(playerid)
{
trangr[playerid] = 0;
return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
trangr[playerid] = 0;
return 1;
}

public OnPlayerCommandText(playerid, cmdtext[])
{
    if (strcmp("/mg", cmdtext, true, 10) == 0)
    {
        if(trangr[playerid] == 0)
        {
            trangr[playerid] = 1;
            SendClientMessage(playerid, 0x00FF00FF, "GTA IV Grenade Mode Activated");
            ShowPlayerDialog(playerid, 2756, DIALOG_STYLE_MSGBOX, "How to use", "{ff0000}If you have a grenade, press Y (if any buttons do not pressed (only Y))", "Ok", "");
            return 1;
        }
        else if(trangr[playerid] == 1)
        {
            trangr[playerid] = 0;
            SendClientMessage(playerid, 0xFF0000FF, "GTA IV Grenade Mode Deactivated");
            return 1;
        }
    }
    return 0;
}
public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(newkeys == KEY_YES)
    {
        if(IsPlayerInAnyVehicle(playerid))
        {
            if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER)
            {
                if(trangr[playerid] == 1)
                {
                    new weapon,ammo;
                    GetPlayerWeaponData(playerid, 8, weapon, ammo);
                    if(weapon == 16)
                    {
                        if(ammo >= 1)
                        {
                            new Float:A, Float:x, Float:y, Float:z, veh;
                            veh = GetPlayerVehicleID(playerid);
                            GetVehicleZAngle(veh, A);
                            if(A>=0 && A<45)
                            {
                                GetPlayerPos(playerid, x, y, z);
                                grenade = CreateObject(342, x-1.4, y, z+0.8, 0, 90, 0, 0);
                                MoveObject(grenade, x-5.0, y, z-1.2, 7, 0, 0, 0);
                                SetPlayerAmmo(playerid, 16, ammo-1);
                            }
                            if(A>=45 && A<90)
                            {
                                GetPlayerPos(playerid, x, y, z);
                                grenade = CreateObject(342, x-1.4, y-1.4, z+0.8, 0, 90, 0, 0);
                                MoveObject(grenade, x-5.0, y-5.0, z-1.2, 7, 0, 0, 0);
                                SetPlayerAmmo(playerid, 16, ammo-1);
                            }
                            if(A>=90 && A<135)
                            {
                                GetPlayerPos(playerid, x, y, z);
                                grenade = CreateObject(342, x, y-1.4, z+0.8, 0, 90, 0, 0);
                                MoveObject(grenade, x, y-5.0, z-1.2, 7, 0, 0, 0);
                                SetPlayerAmmo(playerid, 16, ammo-1);
                            }
                            if(A>=135 && A<180)
                            {
                                GetPlayerPos(playerid, x, y, z);
                                grenade = CreateObject(342, x+1.4, y-1.4, z+0.8, 0, 90, 0, 0);
                                MoveObject(grenade, x+5.0, y-5.0, z-1.2, 7, 0, 0, 0);
                                SetPlayerAmmo(playerid, 16, ammo-1);
                            }
                            if(A>=180 && A<225)
                            {
                                GetPlayerPos(playerid, x, y, z);
                                grenade = CreateObject(342, x+1.4, y, z+0.8, 0, 90, 0, 0);
                                MoveObject(grenade, x+5.0, y, z-1.2, 7, 0, 0, 0);
                                SetPlayerAmmo(playerid, 16, ammo-1);
                            }
                            if(A>=225 && A<270)
                            {
                                GetPlayerPos(playerid, x, y, z);
                                grenade = CreateObject(342, x+1.4, y+1.4, z+0.8, 0, 90, 0, 0);
                                MoveObject(grenade, x+5.0, y+5.0, z-2, 7, 0, 0, 0);
                                SetPlayerAmmo(playerid, 16, ammo-1);
                            }
                            if(A>=270 && A<315)
                            {
                                GetPlayerPos(playerid, x, y, z);
                                grenade = CreateObject(342, x-1.4, y+1.4, z+0.8, 0, 90, 0, 0);
                                MoveObject(grenade, x-5.0, y+5.0, z-1.2, 7, 0, 0, 0);
                                SetPlayerAmmo(playerid, 16, ammo-1);
                            }
                            if(A>=315 && A<360)
                            {
                                GetPlayerPos(playerid, x, y, z);
                                grenade = CreateObject(342, x-1.4, y+1.4, z+0.8, 0, 90, 0, 0);
                                MoveObject(grenade, x-5.0, y+5.0, z-1.2, 7, 0, 0, 0);
                                SetPlayerAmmo(playerid, 16, ammo-1);
                            }
                            timer1 = SetTimer("boom", 4000, false);
                        }
                        if(ammo == 0) SendClientMessage(playerid, 0xFF0000FF, "Where is grenade? Buy it now!");
                    }
                    else SendClientMessage(playerid, 0xFF0000FF, "Where is grenade? Buy it now!");
                }
            }
        }
    }
    return 1;
}
public boom()
{
GetObjectPos(grenade,ox,oy,oz);
DestroyObject(grenade);
CreateExplosion( ox,oy,oz, 2, 2.0);
KillTimer(timer1);
}