/*
    supervehicle.pwn, débuté le 20/12/2014
    Crédits: TheArrow
*/

#include <a_samp>
#include <zcmd>
#include <sscanf2>

main(){ }

// VARIABLES GLOBALES
new bool:vehicleMode[MAX_PLAYERS], bool:vehicleGravity[MAX_PLAYERS], bool:vehicleAccel[MAX_PLAYERS], Float:count[MAX_PLAYERS];

// DEFINES
#define PRESSED(%0) \
    (((newkeys & (%0)) == (%0)) && ((oldkeys & (%0)) != (%0)))
#define RELEASED(%0) \
    (((newkeys & (%0)) != (%0)) && ((oldkeys & (%0)) == (%0)))

#define pi 3.141592653589793238462643383279502884
#define acceleration 0.01

// FORWARD
forward Gravity(playerid, mode);

public OnPlayerConnect(playerid)
{
    vehicleMode[playerid] = false, vehicleGravity[playerid] = false;
    return 1;
}



public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(newkeys == KEY_ACTION) {
        if(vehicleMode[playerid] == false) { SendClientMessage(playerid, -1, "The supervehicle mode has been activated."), vehicleMode[playerid] = true; }
        else { SendClientMessage(playerid, -1, "The supervehicle mode has been disabled."), vehicleMode[playerid] = false, vehicleGravity[playerid] = false; } }
    else if(newkeys & KEY_YES && vehicleMode[playerid] == true) {
        vehicleGravity[playerid] = false;
        SetVehicleVelocity(GetPlayerVehicleID(playerid), 0.0, 0.0, 0.5);
        SetTimerEx("Gravity", 100, false, "ii", playerid, 1); }
    else if(newkeys & KEY_NO && vehicleMode[playerid] == true) {
        vehicleGravity[playerid] = false;
        SetVehicleVelocity(GetPlayerVehicleID(playerid), 0.0, 0.0, -0.5);
        SetTimerEx("Gravity", 100, false, "ii", playerid, 1); }
    else if(PRESSED(KEY_ANALOG_UP) && vehicleMode[playerid] == true) {
        vehicleGravity[playerid] = false,
        vehicleAccel[playerid] = true,
        count[playerid] = 1; }
    else if(RELEASED(KEY_ANALOG_UP) && vehicleMode[playerid] == true) SetTimerEx("Gravity", 100, false, "ii", playerid, 0);
    return 1;
}

public Gravity(playerid, mode)
{
    vehicleGravity[playerid] = true;
    if(mode == 0) { vehicleAccel[playerid] = false, count[playerid] = 1; }
    return 1;
}

public OnPlayerUpdate(playerid)
{
    if(IsPlayerInAnyVehicle(playerid) && vehicleMode[playerid] == true && vehicleGravity[playerid] == true) SetVehicleVelocity(GetPlayerVehicleID(playerid), 0, 0, 0.03);
    else if(vehicleAccel[playerid] == true) {
        new Float:z_angle, Float:vx, Float:vy, Float:vz, Float:quad_X, Float:quad_Y, Float:quad_Z, Float:quad_W;
        GetVehicleZAngle(GetPlayerVehicleID(playerid), z_angle);
        z_angle = ((360 - z_angle) * 2*pi) / 360;
        GetVehicleRotationQuat(GetPlayerVehicleID(playerid), quad_W, quad_X, quad_Y, quad_Z);
        GetVehicleVelocity(GetPlayerVehicleID(playerid), vx, vy, vz);
        if(quad_X < 0) SetVehicleVelocity(GetPlayerVehicleID(playerid), floatsin(z_angle)*count[playerid], floatcos(z_angle)*count[playerid], vz-(quad_X/3));
        else if(quad_X >= 0) SetVehicleVelocity(GetPlayerVehicleID(playerid), floatsin(z_angle)*count[playerid], floatcos(z_angle)*count[playerid], vz-(quad_X/3));
        count[playerid] += acceleration; }
    return 1;
}