Oxygen Cylinder For Diving SA-MP

#include <a_samp>
#define OxygenCylinder 1010
new bool:SCBOn[MAX_PLAYERS];
new OxygenTimer[MAX_PLAYERS];
forward OXGTimer(playerid);
stock IsPlayerInWater(playerid)
{
    new animlib[32],tmp[32];
    GetAnimationName(GetPlayerAnimationIndex(playerid), animlib, sizeof(animlib) ,tmp, sizeof(tmp));
    if(!strcmp(animlib, "SWIM") && !IsPlayerInAnyVehicle(playerid)) return true;
    return false;
}
stock SetPlayerMoney(playerid, ammount)
{
    ResetPlayerMoney(playerid);
    GivePlayerMoney(playerid, ammount);
    return 1;
}
public OnPlayerCommandText(playerid, cmdtext[])
{
    if(!strcmp("/oxygen", cmdtext, true))
    {
        if(SCBOn[playerid] == false && GetPlayerMoney(playerid) < 20000) return SendClientMessage(playerid, 0xFF0000FF, "You need 20000 to buy Oxygen Cylinders!");
        if(SCBOn[playerid] == false)
        {
            SCBOn[playerid] = true;
            SendClientMessage(playerid, 0x7F8A5FFF, "You are now using a Oxygen Cylinder, you have 1 minute left!");
            SetPlayerAttachedObject(playerid, 9, OxygenCylinder, 1, -0.05600000, -0.07000000, -0.00699997, 90.79997253, 4.19999790, -178.10002136, 1.00000000, 1.00000000, 1.00000000);
            SetPlayerMoney(playerid, GetPlayerMoney(playerid) - 20000);
            OxygenTimer[playerid] = SetTimerEx("OXGTimer", 60000, 0, "i", playerid);
            return 1;
        }
        if(SCBOn[playerid] == true)
        {
            SCBOn[playerid] = false;
            SendClientMessage(playerid, 0x7F8A5FFF, "You are no longer using a Oxygen Cylinder");
            RemovePlayerAttachedObject(playerid, 9);
            KillTimer(OxygenTimer[playerid]);
            return 1;
        }
    }
    return 0;
}
public OnPlayerTakeDamage(playerid, issuerid, Float:amount, weaponid)
{
    if(issuerid == INVALID_PLAYER_ID && IsPlayerInWater(playerid) && SCBOn[playerid] == true)
    {
        SetPlayerHealth(playerid, 100);
    }
    return 1;
}
public OXGTimer(playerid)
{
    SCBOn[playerid] = false;
    KillTimer(OxygenTimer[playerid]);
    RemovePlayerAttachedObject(playerid, 9);
    SendClientMessage(playerid, 0x7F8A5FFF, "Your Oxygen Cylinder has run out of gas, you dropped it off!");
    return 1;
}
public OnPlayerDeath(playerid)
{
    if(SCBOn[playerid] == true)
    {
        SCBOn[playerid] = false;
        KillTimer(OxygenTimer[playerid]);
        RemovePlayerAttachedObject(playerid, 9);
        SendClientMessage(playerid, 0x7F8A5FFF, "You have died, you dropped your oxygen cylinder!");
    }
    return 1;
}