Tornado

#include <a_samp>

#undef KEY_UP
#undef KEY_DOWN
#undef KEY_LEFT
#undef KEY_RIGHT
#define KEY_UP 65408
#define KEY_DOWN 128
#define KEY_LEFT 65408
#define KEY_RIGHT 128

#define green 0x0AFF0AAA
#define red 0xFF0000FF

new fly[MAX_PLAYERS] = {0, 1};
new Float:x, Float:y, Float:z, Float:angle;

forward Float:GetXYInFrontOfPlayer(playerid, &Float:q, &Float:w, Float:distance);
forward Float:GetXYBehindPlayer(playerid, &Float:q, &Float:w, Float:distance);
forward FlyTimer();

public OnFilterScriptInit()
{
    print("\n--------------------------------------");
    print("    Flying filterscript");
    print("    By Tornado");
    print("--------------------------------------\n");
    SetTimer("FlyTimer",100,1);
    return 1;
}

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

public OnPlayerSpawn(playerid)
{
    fly[playerid] = 0;
    return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
    fly[playerid] = 0;
    return 1;
}

public OnPlayerCommandText(playerid, cmdtext[])
{
    new cmd[256];
    new idx;
    cmd = strtok(cmdtext, idx);

    if(strcmp(cmd, "/fly", true) == 0 && IsPlayerAdmin(playerid)) {
        new tmp[256];
        tmp = strtok(cmdtext, idx);
        if(!strlen(tmp)) { if(fly[playerid] == 1) { fly[playerid] = 0; SendClientMessage(playerid,red,"Fly mode offline."); TogglePlayerControllable(playerid,true); return 1; } else if(fly[playerid] == 0) { fly[playerid] = 1; SendClientMessage(playerid,green,"Fly mode online."); TogglePlayerControllable(playerid,false); return 1; } }
        if(strcmp(tmp, "on", true) == 0) { fly[playerid] = 1; SendClientMessage(playerid,green,"Fly mode online."); TogglePlayerControllable(playerid,false); return 1; }
        else if(strcmp(tmp, "off", true) == 0) { fly[playerid] = 0; SendClientMessage(playerid,red,"Fly mode offline."); TogglePlayerControllable(playerid,true); return 1; }
    }
    return 0;
}

Float:GetXYInFrontOfPlayer(playerid, &Float:q, &Float:w, Float:distance)
{
    new Float:a;
    GetPlayerPos(playerid, q, w, a);
    if (GetPlayerState(playerid) == PLAYER_STATE_DRIVER) GetVehicleZAngle(GetPlayerVehicleID(playerid), a);
    else GetPlayerFacingAngle(playerid, a);
    q += (distance * floatsin(-a, degrees));
    w += (distance * floatcos(-a, degrees));
    return a;
}

Float:GetXYBehindPlayer(playerid, &Float:q, &Float:w, Float:distance)
{
    new Float:a;
    GetPlayerPos(playerid, q, w, a);
    if (GetPlayerState(playerid) == PLAYER_STATE_DRIVER) GetVehicleZAngle(GetPlayerVehicleID(playerid), a);
    else GetPlayerFacingAngle(playerid, a);
    q += (distance * -floatsin(-a, degrees));
    w += (distance * -floatcos(-a, degrees));
    return a;
}

strtok(const string[], &index)
{
    new length = strlen(string);
    while ((index < length) && (string[index] <= ' '))
    {
        index++;
    }

    new offset = index;
    new result[20];
    while ((index < length) && (string[index] > ' ') && ((index - offset) < (sizeof(result) - 1)))
    {
        result[index - offset] = string[index];
        index++;
    }
    result[index - offset] = EOS;
    return result;
}

public FlyTimer()
{
    new keys, updown, leftright;
    for(new playerid=0;playerid<MAX_PLAYERS;playerid++) {
        if(IsPlayerConnected(playerid)) {
            if(fly[playerid] == 1) {
                GetPlayerKeys(playerid,keys,updown,leftright);
                if(updown == KEY_UP) {
                    if(GetPlayerState(playerid) == PLAYER_STATE_ONFOOT) {
                        GetPlayerPos(playerid, x, y, z);
                        GetXYInFrontOfPlayer(playerid, x, y, 5.0);
                        SetPlayerPos(playerid, x, y, z);
                        SetCameraBehindPlayer(playerid);
                    }
                    else if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER) {
                        new playercar = GetPlayerVehicleID(playerid);
                        GetVehiclePos(playercar, x, y, z);
                        GetXYInFrontOfPlayer(playerid, x, y, 5.0);
                        SetVehiclePos(playercar, x, y, z);
                    }
                }
                else if(updown == KEY_DOWN) {
                    if(GetPlayerState(playerid) == PLAYER_STATE_ONFOOT) {
                        GetPlayerPos(playerid, x, y, z);
                        GetXYBehindPlayer(playerid, x, y, 5.0);
                        SetPlayerPos(playerid, x, y, z);
                        SetCameraBehindPlayer(playerid);
                    }
                    else if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER) {
                        new playercar = GetPlayerVehicleID(playerid);
                        GetVehiclePos(playercar, x, y, z);
                        GetXYBehindPlayer(playerid, x, y, 5.0);
                        SetVehiclePos(playercar, x, y, z);
                    }
                }
                if(leftright == KEY_LEFT) {
                    if(GetPlayerState(playerid) == PLAYER_STATE_ONFOOT) {
                        GetPlayerFacingAngle(playerid, angle);
                        SetPlayerFacingAngle(playerid, angle+10);
                        SetCameraBehindPlayer(playerid);
                    }
                    else if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER) {
                        new playercar = GetPlayerVehicleID(playerid);
                        GetVehicleZAngle(playercar, angle);
                        SetVehicleZAngle(playercar, angle+10);
                    }
                }
                else if(leftright == KEY_RIGHT) {
                    if(GetPlayerState(playerid) == PLAYER_STATE_ONFOOT) {
                        GetPlayerFacingAngle(playerid, angle);
                        SetPlayerFacingAngle(playerid, angle-10);
                        SetCameraBehindPlayer(playerid);
                    }
                    else if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER) {
                        new playercar = GetPlayerVehicleID(playerid);
                        GetVehicleZAngle(playercar, angle);
                        SetVehicleZAngle(playercar, angle-10);
                    }
                }
                if(keys == KEY_JUMP) {
                    if(GetPlayerState(playerid) == PLAYER_STATE_ONFOOT) {
                        GetPlayerPos(playerid, x, y, z);
                        SetPlayerPos(playerid, x, y, z+5);
                        SetCameraBehindPlayer(playerid);
                    }
                    else if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER) {
                        new playercar = GetPlayerVehicleID(playerid);
                        GetVehiclePos(playercar, x, y, z);
                        SetVehiclePos(playercar, x, y, z+5);
                    }
                }
                else if(keys == KEY_SPRINT) {
                    if(GetPlayerState(playerid) == PLAYER_STATE_ONFOOT) {
                        GetPlayerPos(playerid, x, y, z);
                        SetPlayerPos(playerid, x, y, z-5);
                        SetCameraBehindPlayer(playerid);
                    }
                    else if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER) {
                        new playercar = GetPlayerVehicleID(playerid);
                        GetVehiclePos(playercar, x, y, z);
                        SetVehiclePos(playercar, x, y, z-5);
                    }
                }
            }
        }
    }
}