Mega Jump

#include <a_samp>

#define FILTERSCRIPT
forward JumpTimer(playerid);
new MegaJump[MAX_PLAYERS],
Jumping[MAX_PLAYERS];

public OnFilterScriptInit()
{
    return 1;
}

public OnFilterScriptExit()
{
    return 1;
}

public OnPlayerConnect(playerid)
{
    Jumping[playerid] = 1;
}

public OnPlayerCommandText(playerid, cmdtext[])
{
    if (strcmp("/megajump", cmdtext, true, 10) == 0)
    {
        if (MegaJump[playerid] == 1)
        {
            MegaJump[playerid] = 0;
            GameTextForPlayer(playerid,"~g~MegaJump ~w~Off",4500,3);
            return 1;
        }
        else if (MegaJump[playerid] == 0)
        {
            MegaJump[playerid] = 1;
            GameTextForPlayer(playerid,"~g~MegaJump ~w~On",4500,3);
            return 1;
        }
        return 1;
    }
    return 0;
}

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(newkeys & KEY_JUMP)
    {
        if(MegaJump[playerid] == 1)
        {
                if(Jumping[playerid] == 0)
                {
                    new Float:Jump[3];
                    GetPlayerVelocity(playerid, Jump[0], Jump[1], Jump[2]);
                    SetPlayerVelocity(playerid, Jump[0], Jump[1], Jump[2]+5);
                    SetTimerEx("JumpTimer", 2500, false, "i", playerid);
                    Jumping[playerid] = 1;
                }
        }
    }
    return 1;
}

public JumpTimer(playerid)
{
    Jumping[playerid] = 0;
    return 1;
}