Throwing knife

new FireShot[MAX_PLAYERS];
new gKnifeObj[MAX_PLAYERS];

public OnPlayerCommandText(playerid, cmdtext[])
{
    if (strcmp("/knife", cmdtext, true, 6) == 0)
    {
        GivePlayerWeapon(playerid, 4, 1);
    }
    return 1;
}



public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(GetPlayerWeapon(playerid) == 4 && FireShot[playerid] == 0 && (newkeys & KEY_AIM) && !IsValidObject(gKnifeObj[playerid]))
    {
        ApplyAnimation(playerid,"GRENADE","WEAPON_throw",4.1,0,0,0,1,1,1);
        ApplyAnimation(playerid,"GRENADE","WEAPON_throw",4.1,0,0,0,1,1,1);
        new
            Float:x,
            Float:y,
            Float:z,
            Float:r,
            Float:HP,
            Float:dist = 50.0,
            Float:tmpang,
            Float:tmpx,
            Float:tmpy,
            Float:tmpz;


        FireShot[playerid] = 1;
        SetTimerEx("ShotFire", 1000, 0, "i", playerid);
        GetPlayerPos(playerid, x, y, z);
        GetPlayerFacingAngle(playerid, r);
        gKnifeObj[playerid] = CreateObject(335, x, y, z+0.7, -90, 0, r);
        for(new i;i<MAX_PLAYERS;i++)
        {
            if(i == playerid)continue;
            if(IsPlayerInRangeOfPoint(i, 50.0, x, y, z))
            {
                GetPlayerPos(i, tmpx, tmpy, tmpz);

                tmpang = (90-atan2(tmpy-y, tmpx-x));
                if(tmpang < 0)tmpang = 360.0+tmpang;
                tmpang = 360.0 - tmpang;
                if(floatabs(tmpang-r) < 5.0)
                {
                    dist = GetPlayerDistanceFromPoint(i, x, y, z);
                    GetPlayerHealth(i, HP);
                    SetPlayerHealth(i, HP-35);
                }
            }
        }
        MoveObject(gKnifeObj[playerid],x + (dist * floatsin(-r, degrees)),y + (dist * floatcos(-r, degrees)),z,20);                             // Nice and fast!
    }
    return 1
}



forward ShotFire(playerid);
public ShotFire(playerid)
{
    FireShot[playerid] = 0;
    return 1;
}



public OnObjectMoved(objectid)
{
    for(new i;i<MAX_PLAYERS;i++)
    {
        if(objectid == gKnifeObj[i])
        {
            new
                Float:x,
                Float:y,
                Float:z;

            GetObjectPos(gKnifeObj[i], x, y, z);
            DestroyObject(gKnifeObj[i]);
        }
    }
    return 1;
}