[Q.I]

pawn Код:

#include <a_samp>

new Corda[MAX_PLAYERS];
new Sliding[MAX_PLAYERS];

#define TimerSegundo(%0)    %0*1000
#define Callback<q.i>%0(%1) forward %0(%1); public %0(%1)

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

public OnPlayerCommandText(playerid, cmdtext[]){
    if(strcmp(cmd, "/Corda", true) == 0){
        if(GetVehicleModel(GetPlayerVehicleID(playerid)) == 497){
            Sliding[playerid] = 1;
            new Float:X,
                Float:Y,
                Float:Z;
            GetPlayerPos(playerid, X, Y, Z);
            RemovePlayerFromVehicle(playerid);
            TogglePlayerControllable(playerid, 0);
            Corda[playerid] = CreateObject(19089, X, Y, Z, 0.0, 0.0, 0.0, 300.0);
            SetTimerEx("Slide", TimerSegundo(1), 0, "i", playerid);
            SendClientMessage(playerid, -1, "Voce esta descendo do helicуptero!");
        }
        else
        SendClientMessage(playerid,-1, "[ERRO] Vocк nгo esta em um Helicуptero!");
        return true;
    }
    if(strcmp(cmd, "/parar", true) == 0){
        if(Sliding[playerid] == 1){
            Sliding[playerid] = 0;
            TogglePlayerControllable(playerid, 1);
            SendClientMessage(playerid,-1, "Vocк chegou ao chгo");
            DestroyObject(Corda[playerid]);
        }
        return true;
    }
    return false;
}


Callback<q.i>Slide(playerid){
    if(Sliding[playerid] == 1){
        new Float:X,
            Float:Y,
            Float:Z;
        GetPlayerPos(playerid, X, Y, Z);
        SetPlayerPos(playerid, X, Y, Z - 5.00);
        SetTimerEx("Slide", TimerSegundo(1), 0, "i", playerid);
    }
    return true;
}

tenta ae e lembra de usar /parar antes de chegar ao chao .