carwheelie by niels44

// This is a comment
// uncomment the line below if you want to write a filterscript
//#define FILTERSCRIPT

#include <a_samp>
#include <zcmd>

#define COLOR_GREEN 0x00FF00FF
#define COLOR_YELLOW 0xFFFF00AA
#define COLOR_PURPLE 0xFF00FFAA
#define ORANGE 0xFF8000AA
#define COLOR_BLUE 0x0000FFFF
#define COLOR_ORANGE 0xFF9000FF
#define COLOR_GREY 0xAFAFAFAA
#define COLOR_WHITE 0xFFFFFFAA
#define COLOR_DARKBLUE 0x00007AFF
#define COLOR_PINK 0xFF007AFF
#define COLOR_BLACK 0x000000FF
#define COLOR_LIGHTGREEN 0x82FF82FF
#define COLOR_RED 0xFF0000FF

new IsNitro[MAX_PLAYERS];


public OnFilterScriptInit()
{
	print("\n--------------------------------------");
	print("Car Wheelie System by Niels44 Loaded!");
	print("--------------------------------------\n");
	return 1;
}

public OnFilterScriptExit()
{
	printf("CarWheelie System Unloaded!");
	return 1;
}

public OnPlayerConnect(playerid)
{
	SendClientMessage(playerid, COLOR_GREEN, "this server uses the Car Wheelie system by Niels44 A.K.A [drifters]niels");
	SetPlayerMapIcon( playerid, 12, 1002.0330,-1341.0243,13.3706, 55, 0, MAPICON_GLOBAL );
	return 1;
}
CMD:wheelie(playerid, params[])
{
	if(strcmp(params,"on",true) == 0)
	{
		IsNitro[playerid] = 1;
		SendClientMessage(playerid, COLOR_BLUE, "Car Wheelie Turned ON");
	}
	else if(strcmp(params,"off",true) == 0)
	{
		IsNitro[playerid] = 0;
		SendClientMessage(playerid, COLOR_RED, "Car Wheelie Turned OFF");
	}
	else return SendClientMessage(playerid, COLOR_BLUE, "Usage: /wheelie [on/off]");
	return 1;
}

public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger)
{
	IsNitro[playerid] = 0;
	return 1;
}

public OnPlayerExitVehicle(playerid, vehicleid)
{
	IsNitro[playerid] = 0;
	return 1;
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{
	if(newstate == PLAYER_STATE_DRIVER || newstate == PLAYER_STATE_PASSENGER)
	{
		IsNitro[playerid] = 0;
		SendClientMessage(playerid, COLOR_BLUE, "WHEELIE: to turn wheelie mode on type /wheelie on");
	}
	if(oldstate == PLAYER_STATE_DRIVER && newstate == PLAYER_STATE_ONFOOT)
	{
	    IsNitro[playerid] = 0;
	}
	return 1;
}
stock GetPlayerSpeed(playerid)
{
    new Float:ST[4];
    if(IsPlayerInAnyVehicle(playerid))
    GetVehicleVelocity(GetPlayerVehicleID(playerid),ST[0],ST[1],ST[2]);
    else GetPlayerVelocity(playerid,ST[0],ST[1],ST[2]);
    ST[3] = floatsqroot(floatpower(floatabs(ST[0]), 2.0) + floatpower(floatabs(ST[1]), 2.0) + floatpower(floatabs(ST[2]), 2.0)) * 179.28625;
    return floatround(ST[3]);
}
public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
	if(newkeys & KEY_SPRINT && GetPlayerState(playerid) == PLAYER_STATE_DRIVER)
 	{
            if(IsNitro[playerid] == 1)
            {
	            if(GetPlayerSpeed(playerid) <= 3)
	            {
	                new vehicleid = GetPlayerVehicleID(playerid);
	            	new Float:Xv, Float:Yv, Float:Zv, Float:absV;
				    GetVehicleVelocity(vehicleid, Xv, Yv, Zv);
				    absV = floatsqroot(floatpower(floatabs(Xv),2)+floatpower(floatabs(Yv),2)+floatpower(floatabs(Zv),2));
				    if(absV < 20.0)
				    {
				        new Float:Zangle;
				        GetVehicleZAngle(vehicleid, Zangle);
				        GetVehicleVelocity(vehicleid, Xv, Yv, Zv);
				        Xv = (9.5 * absV * floatsin(Zangle, degrees));
				        Yv = (9.5 * absV * floatcos(Zangle, degrees));
				        SetVehicleAngularVelocity(vehicleid, Yv, Xv, 0);
				    }
				}
			 	else if(GetPlayerSpeed(playerid) >= 3) return 0;
			}
			else if(IsNitro[playerid] != 1) return 0;
    }
	return 1;
}