Dropping with rope - SAMP

#include <a_samp>
#include <zcmd>
#include <linegen>

#define OBJECTS_FOR_ROPE 150
#define ROPE_LENGTH 5.0
#define MIN_ROPE_HEIGHT 70.0

enum RopeData {
    RopeID[OBJECTS_FOR_ROPE],
    Float:RopeX,
    Float:RopeY,
    Float:RopeZ
};
new Ropes[MAX_PLAYERS][RopeData];

new Float:RealPlayerHP[MAX_PLAYERS];
new IsRappeling[MAX_PLAYERS] = false;
new Float:OldPos[MAX_PLAYERS];

public OnFilterScriptInit()
{
    print("\n--------------------------------------");
    print(" Blank Filterscript by your name here");
    print("--------------------------------------\n");
    return 1;
}

public OnFilterScriptExit()
{
    return 1;
}

stock CreateRope(playerid)
{
    new Float:z;
    GetPlayerPos(playerid, Ropes[playerid][RopeX], Ropes[playerid][RopeY], z);
    new Float:Angle;
    GetPlayerFacingAngle(playerid, Angle);

    for(new i = 0; i < OBJECTS_FOR_ROPE; i++)
    {
        Ropes[playerid][RopeID][i] = CreateDynamicObject(19089, Ropes[playerid][RopeX], Ropes[playerid][RopeY], z-(i*ROPE_LENGTH), 0, 0, Angle);
    }
}

stock DestroyRope(playerid)
{
    for(new i = 0; i < OBJECTS_FOR_ROPE; i++)
    {
        DestroyDynamicObject(Ropes[playerid][RopeID][i]);
    }
}

public OnPlayerDisconnect(playerid, reason)
{
    IsRappeling[playerid] = false;
    return 1;
}

public OnPlayerUpdate(playerid)
{
    if(IsRappeling[playerid])
    {
        ApplyAnimation(playerid, "ped", "abseil", 4.1, 1, 1, 1, 0, 0, 1);
        SetPlayerHealth(playerid, 0x7FFFFFFF);
        new Float:x, Float:y, Float:z;
        GetPlayerPos(playerid, x, y, z);
        if(z == OldPos[playerid])
        {
            ClearAnimations(playerid, 1);
            IsRappeling[playerid] = false;
            SetPlayerHealth(playerid, RealPlayerHP[playerid]);
            DestroyRope(playerid);
        }
        else OldPos[playerid] = z;
    }
    return 1;
}

CMD:slapme(playerid, params[]) // Just for testing
{
    new Float:x, Float:y, Float:z;
    GetPlayerPos(playerid, x, y, z);
    SetPlayerPos(playerid, x, y, z+100);
    return 1;
}

CMD:drop(playerid, params[])
{
    if(IsRappeling[playerid]) return SendClientMessage(playerid, -1, "Error: You are already rappeling!");
    new Float:x, Float:y, Float:z;
    GetPlayerPos(playerid, x, y, z);
    if ( z < MIN_ROPE_HEIGHT ) return SendClientMessage(playerid, -1, "Error: Tell the driver to go higher!");
    OldPos[playerid] = z;
    GetPlayerHealth(playerid, RealPlayerHP[playerid]);
    IsRappeling[playerid] = true;
    ApplyAnimation(playerid, "ped", "abseil", 4.1, 1, 1, 1, 0, 0, 1);
    SetPlayerHealth(playerid, 0x7FFFFFFF);
    CreateRope(playerid);
    return 1;
}