NOS Gauge v0.1

/*
NOS Gauge v0.1
Scripted by RIDE2DAY
Official thread: http://forum.sa-mp.com/showthread.php?t=624827
*/

#include <a_samp>

/* =============================== | [MACROS] | ================================ */
#define BASE_X          610.0
#define BASE_Y          407.0
#define GAUGE_MIN_ANG   180.0
#define GAUGE_MAX_ANG   270.0
#define GAUGE_RADIO     50.0
#define MAGIC_NUMBER    0.9
#define DECREASE_UNITS  1

#define HOLDING(%0)     ((newkeys & (%0)) == (%0))
#define RELEASED(%0)    (((newkeys & (%0)) != (%0)) && ((oldkeys & (%0)) == (%0)))


/* =============================== | [VARIABLES] | ================================ */
new Vehicle_NOS[MAX_VEHICLES];

new NOS_timer[MAX_PLAYERS] = {-1, ...};

new Text:NOS_TD[3];
new Text:NOS_Clock_TD[3];
new PlayerText:NOS_gauge[MAX_PLAYERS] = {PlayerText:INVALID_TEXT_DRAW, ...};


/* =============================== | [CALLBACKS] | ================================ */
public OnFilterScriptInit()
{
    for(new v = 0; v < MAX_VEHICLES; v++)
    {
        Vehicle_NOS[v] = 100;
    }

    NOS_TD[0] = TextDrawCreate(BASE_X - 28.0, BASE_Y - 13.0, "N");
    TextDrawBackgroundColor(NOS_TD[0], 255);
    TextDrawFont(NOS_TD[0], 1);
    TextDrawLetterSize(NOS_TD[0], 0.280000, 1.599999);
    TextDrawColor(NOS_TD[0], 8454143);
    TextDrawSetOutline(NOS_TD[0], 1);
    TextDrawSetProportional(NOS_TD[0], 1);
    TextDrawSetSelectable(NOS_TD[0], 0);

    NOS_TD[1] = TextDrawCreate(BASE_X - 18.0, BASE_Y - 10.0, "2");
    TextDrawBackgroundColor(NOS_TD[1], 255);
    TextDrawFont(NOS_TD[1], 1);
    TextDrawLetterSize(NOS_TD[1], 0.210000, 1.199999);
    TextDrawColor(NOS_TD[1], 8454143);
    TextDrawSetOutline(NOS_TD[1], 1);
    TextDrawSetProportional(NOS_TD[1], 1);
    TextDrawSetSelectable(NOS_TD[1], 0);

    NOS_TD[2] = TextDrawCreate(BASE_X - 11.0, BASE_Y - 13.0, "O");
    TextDrawBackgroundColor(NOS_TD[2], 255);
    TextDrawFont(NOS_TD[2], 1);
    TextDrawLetterSize(NOS_TD[2], 0.280000, 1.599999);
    TextDrawColor(NOS_TD[2], 8454143);
    TextDrawSetOutline(NOS_TD[2], 1);
    TextDrawSetProportional(NOS_TD[2], 1);
    TextDrawSetSelectable(NOS_TD[2], 0);

    NOS_Clock_TD[0] = TextDrawCreate(BASE_X - 58.0, BASE_Y + 8.0, "E");
    TextDrawBackgroundColor(NOS_Clock_TD[0], 255);
    TextDrawFont(NOS_Clock_TD[0], 1);
    TextDrawLetterSize(NOS_Clock_TD[0], 0.310000, 0.999999);
    TextDrawColor(NOS_Clock_TD[0], -83928577);
    TextDrawSetOutline(NOS_Clock_TD[0], 1);
    TextDrawSetProportional(NOS_Clock_TD[0], 1);
    TextDrawSetSelectable(NOS_Clock_TD[0], 0);

    NOS_Clock_TD[1] = TextDrawCreate(BASE_X - 46.0, BASE_Y - 33.0, "1/2");
    TextDrawBackgroundColor(NOS_Clock_TD[1], 255);
    TextDrawFont(NOS_Clock_TD[1], 1);
    TextDrawLetterSize(NOS_Clock_TD[1], 0.180000, 0.899999);
    TextDrawColor(NOS_Clock_TD[1], -1);
    TextDrawSetOutline(NOS_Clock_TD[1], 1);
    TextDrawSetProportional(NOS_Clock_TD[1], 1);
    TextDrawSetSelectable(NOS_Clock_TD[1], 0);

    NOS_Clock_TD[2] = TextDrawCreate(BASE_X - 1.0, BASE_Y - 50.0, "F");
    TextDrawBackgroundColor(NOS_Clock_TD[2], 255);
    TextDrawFont(NOS_Clock_TD[2], 1);
    TextDrawLetterSize(NOS_Clock_TD[2], 0.310000, 0.999999);
    TextDrawColor(NOS_Clock_TD[2], 2063555071);
    TextDrawSetOutline(NOS_Clock_TD[2], 1);
    TextDrawSetProportional(NOS_Clock_TD[2], 1);
    TextDrawSetSelectable(NOS_Clock_TD[2], 0);
    return 1;
}

public OnFilterScriptExit()
{
    for(new x = 0; x < 3; x++)
    {
        TextDrawDestroy(NOS_TD[x]);
        TextDrawDestroy(NOS_Clock_TD[x]);
    }

    for(new p = 0, t = GetPlayerPoolSize(); p <= t; p++)
    {
        if(NOS_gauge[p] != PlayerText:INVALID_TEXT_DRAW)
        {
            PlayerTextDrawDestroy(p, NOS_gauge[p]);
        }
    }
    return 1;
}

public OnPlayerConnect(playerid)
{
    NOS_timer[playerid] = -1;
    CreateNOSGaugeForPlayer(playerid, BASE_X, BASE_Y);
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    if(NOS_timer[playerid] != -1)
    {
        KillTimer(NOS_timer[playerid]);
        NOS_timer[playerid] = -1;
    }

    PlayerTextDrawDestroy(playerid, NOS_gauge[playerid]);
    NOS_gauge[playerid] = PlayerText:INVALID_TEXT_DRAW;
    return 1;
}

public OnPlayerUpdate(playerid)
{
    if(IsPlayerInAnyVehicle(playerid))
    {
        new Float:NEW_X;
        new Float:NEW_Y;
        new Float:GAUGE_ANGLE;

        GAUGE_ANGLE = GAUGE_MIN_ANG + float(Vehicle_NOS[GetPlayerVehicleID(playerid) - 1]) * MAGIC_NUMBER;

        NEW_X = BASE_X + floatcos(GAUGE_ANGLE, degrees) * GAUGE_RADIO;
        NEW_Y = BASE_Y + floatsin(GAUGE_ANGLE, degrees) * GAUGE_RADIO;

        PlayerTextDrawDestroy(playerid, NOS_gauge[playerid]);
        CreateNOSGaugeForPlayer(playerid, NEW_X, NEW_Y);
        PlayerTextDrawShow(playerid, NOS_gauge[playerid]);
    }
    return 1;
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    if(newstate == PLAYER_STATE_DRIVER || newstate == PLAYER_STATE_PASSENGER)
    {
        for(new x = 0; x < 3; x++)
        {
            TextDrawShowForPlayer(playerid, NOS_TD[x]);
            TextDrawShowForPlayer(playerid, NOS_Clock_TD[x]);
        }

        PlayerTextDrawShow(playerid, NOS_gauge[playerid]);
    }
    if(oldstate == PLAYER_STATE_DRIVER || oldstate == PLAYER_STATE_PASSENGER)
    {
        if(NOS_timer[playerid] != -1)
        {
            KillTimer(NOS_timer[playerid]);
            NOS_timer[playerid] = -1;
        }

        for(new x = 0; x < 3; x++)
        {
            TextDrawHideForPlayer(playerid, NOS_TD[x]);
            TextDrawHideForPlayer(playerid, NOS_Clock_TD[x]);
        }

        PlayerTextDrawHide(playerid, NOS_gauge[playerid]);
    }
    return 1;
}

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(HOLDING(KEY_FIRE))
    {
        new v_id = GetPlayerVehicleID(playerid);

        if(v_id != 0 && Vehicle_NOS[v_id - 1] > 0 && NOS_timer[playerid] == -1 && GetPlayerState(playerid) == PLAYER_STATE_DRIVER)
        {
            AddVehicleComponent(v_id, 1010);
            NOS_timer[playerid] = SetTimerEx("DecreaseVehicleNOS", 70, true, "dd", playerid, v_id);
        }
    }
    if(RELEASED(KEY_FIRE))
    {
        if(NOS_timer[playerid] != -1)
        {
            KillTimer(NOS_timer[playerid]);
            NOS_timer[playerid] = -1;

            RemoveVehicleComponent(GetPlayerVehicleID(playerid), 1010);
        }
    }
    return 1;
}

forward DecreaseVehicleNOS(playerid, vehicleid);
public DecreaseVehicleNOS(playerid, vehicleid)
{
    Vehicle_NOS[vehicleid - 1] -= DECREASE_UNITS;

    if(Vehicle_NOS[vehicleid - 1] <= 0)
    {
        KillTimer(NOS_timer[playerid]);
        NOS_timer[playerid] = -1;

        RemoveVehicleComponent(vehicleid, 1010);
    }
    return 1;
}


/* =============================== | [FUNCTIONS] | ================================ */
CreateNOSGaugeForPlayer(playerid, Float:x, Float:y)
{
    NOS_gauge[playerid] = CreatePlayerTextDraw(playerid, x, y, ".");
    PlayerTextDrawBackgroundColor(playerid,NOS_gauge[playerid], 255);
    PlayerTextDrawFont(playerid,NOS_gauge[playerid], 1);
    PlayerTextDrawLetterSize(playerid,NOS_gauge[playerid], 0.500000, 2.000000);
    PlayerTextDrawColor(playerid,NOS_gauge[playerid], -1);
    PlayerTextDrawSetOutline(playerid,NOS_gauge[playerid], 1);
    PlayerTextDrawSetProportional(playerid,NOS_gauge[playerid], 1);
    PlayerTextDrawSetSelectable(playerid,NOS_gauge[playerid], 0);
}