#include clientscripts\_utility;
#include clientscripts\_utility_code;
#include clientscripts\_vehicle;
planeSounds( spawnSound, flybySound, flybySoundLoop, lengthOfFlyby )
{
	self endon("delete");
	fake_ent_plane = spawnfakeent( 0 );
	playsound (0, spawnSound, (0,0,0));
	thread plane_position_updater (fake_ent_plane, self, flybySound, flybySoundLoop, lengthOfFlyBy);
}
plane_position_updater ( fake_ent, plane, flybySound, flybySoundLoop, lengthOfFlyby )
{
	soundid = -1;
	dx = undefined;
	lastTime = undefined;
	lastPos = undefined;
	startTime = 0;
	while(IsDefined(plane))
	{
		setfakeentorg(0, fake_ent, plane.origin);
		if((soundid < 0) && isdefined(lastPos))
		{
			dx = plane.origin - lastPos;
			if(length(dx) > .01)
			{
				velocity = dx / (getrealtime()-lastTime);
				assert(isdefined(velocity));
				players = getlocalplayers();
				assert(isdefined(players));
				other_point = plane.origin + (velocity * 100000);
				point = closest_point_on_line_to_point(players[0].origin, plane.origin, other_point );
				assert(isdefined(point));
				dist = Distance( point, plane.origin );
				assert(isdefined(dist));
				time = dist / length(velocity);
				assert(isdefined(time));
				if( time < lengthOfFlyby )
				{
					if ( isdefined ( flybysoundloop ) )
						soundid = playloopsound(0, fake_ent, flybySoundLoop, 0 );
					if ( isdefined ( flybySound ) )
						plane playsound (0, flybySound);
					startTime = getRealTime();
				}
			}
		}
		lastPos = plane.origin;
		lastTime = getrealtime();
		realwait(0.1);
	}
	wait (5);
	deletefakeent(0, fake_ent);
}
closest_point_on_line_to_point( Point, LineStart, LineEnd )
{
	LineMagSqrd = lengthsquared(LineEnd - LineStart);
	t =	( ( ( Point[0] - LineStart[0] ) * ( LineEnd[0] - LineStart[0] ) ) +
	( ( Point[1] - LineStart[1] ) * ( LineEnd[1] - LineStart[1] ) ) +
	( ( Point[2] - LineStart[2] ) * ( LineEnd[2] - LineStart[2] ) ) ) /
	( LineMagSqrd );
	if( t < 0.0 )
	{
		return LineStart;
	}
	else if( t > 1.0 )
	{
		return LineEnd;
	}
	else
	{
		start_x = LineStart[0] + t * ( LineEnd[0] - LineStart[0] );
		start_y = LineStart[1] + t * ( LineEnd[1] - LineStart[1] );
		start_z = LineStart[2] + t * ( LineEnd[2] - LineStart[2] );
		return (start_x,start_y,start_z);
	}
}
getPlaneModel( teamFaction )
{
	switch ( teamFaction )
	{
		case "vietcong":
		planemodel = "t5_veh_air_mig_21_nva_flying";
		break;
		case "nva":
		planemodel = "t5_veh_air_mig_21_nva_flying";
		break;
		case "japanese":
		planemodel = "t5_veh_air_mig_21_ussr_flying";
		break;
		case "russian":
		planemodel = "t5_veh_air_mig_21_ussr_flying";
		break;
		case "marines":
		planemodel = "t5_veh_jet_f4_gearup";
		break;
		case "specops":
		planemodel = "t5_veh_jet_f4_gearup";
		break;
		default:
		println( "invalid faction, defaulting to marines" );
		planemodel = "t5_veh_jet_f4_gearup";
		break;
	}
	return planeModel;
}
planeTurnLeft( plane, yaw, halflife )
{
	plane endon("delete");
	yawY = getDvarFloatDefault( #"scr_planeyaw", 0.6 );
	rollZ = getDvarFloatDefault( #"scr_planeroll", -1.5 );
	maxYaw = getDvarFloatDefault( #"scr_max_planeyaw", 45.0 );
	minRoll = getDvarFloatDefault( #"scr_min_planeroll", -60.0 );
	ox = getDvarFloatDefault( #"scr_planeox", 30000.0 );
	oy = getDvarFloatDefault( #"scr_planeoy", 30000.0 );
	maxoX = getDvarFloatDefault( #"scr_maxo_planex", -1.0 );
	maxoY = getDvarFloatDefault( #"scr_maxo_planey", -1.0 );
	if (plane.angles[1] == 360)
		plane.angles = ( plane.angles[0], 0, plane.angles[2] );
	origX = plane.origin[0];
	origY = plane.origin[1];
	accumTurn = 0;
	looptime = 0.1;
	while( loopTime <= halflife )
	{
		if (plane.angles[1] == 360)
			plane.angles = ( plane.angles[0], 0, plane.angles[2] );
		if ( minRoll != -1 && plane.angles[2] <= minRoll )
			rollZ = 0.0;
		accumTurn += yawY;
		if ( accumTurn >= maxYaw )
		{
			yawY = 0.0;
		}
		plane.angles = ( plane.angles[0], plane.angles[1] + yawY, plane.angles[2] + rollZ);
		mathX = ( sin ( 45 * looptime / halflife ) ) * ox ;
		mathY = ( cos ( 45 * looptime / halflife ) ) * oy ;
		oldX = mathX;
		oldY = oy - mathY;
		rotatedX = Cos(yaw) * oldX - Sin(yaw) * oldY;
		rotatedY = Sin(yaw) * oldX + Cos(yaw) * oldY;
		endPoint = ( origX + rotatedX, origY + rotatedY, plane.origin[2]);
		plane moveTo( endPoint, 0.1, 0, 0 );
		realwait (0.1);
		loopTime += 0.1;
	}
	yawY = getDvarFloatDefault( #"scr_planeyaw2", 0.6 );
	rollZ = getDvarFloatDefault( #"scr_planeroll2", -0.9 );
	ox = getDvarFloatDefault( #"scr_planeox", 30000.0 );
	oy = getDvarFloatDefault( #"scr_planeoy", 30000.0 );
	maxoX = getDvarFloatDefault( #"scr_maxo_planex", -1.0 );
	maxoY = getDvarFloatDefault( #"scr_maxo_planey", -1.0 );
	y = getDvarFloatDefault( #"scr_planey2", 0.6 );
	z = getDvarFloatDefault( #"scr_planez2", -1.5 );
	maxy = getDvarFloatDefault( #"scr_max_planey2", 90);
	accumTurn = 0;
	while( loopTime < halflife + halflife )
	{
		if (plane.angles[1] == 360)
			plane.angles = ( plane.angles[0], 0, plane.angles[2] );
		if ( minRoll != -1 && plane.angles[2] >= 0 )
			rollZ = 0.0;
		accumTurn += yawY;
		if ( accumTurn >= maxYaw )
		{
			yawY = 0.0;
		}
		plane.angles = ( plane.angles[0], plane.angles[1] + yawY, plane.angles[2] - rollZ);
		mathX = ( sin ( 45 * looptime / halflife ) ) * ox ;
		mathY = ( cos ( 45 * looptime / halflife ) ) * oy ;
		oldX = mathX;
		oldY = oy - mathY;
		rotatedX = Cos(yaw) * oldX - Sin(yaw) * oldY;
		rotatedY = Sin(yaw) * oldX + Cos(yaw) * oldY;
		endPoint = ( origX + rotatedX, origY + rotatedY, plane.origin[2]);
		plane moveTo( endPoint, 0.1, 0, 0 );
		realwait (0.1);
		loopTime += 0.1;
	}
}
planeTurnRight( plane, yaw, halflife )
{
	plane endon("delete");
	yawY = getDvarFloatDefault( #"scr_planeyaw", -0.6 );
	rollZ = getDvarFloatDefault( #"scr_planeroll", 1.5 );
	maxYaw = getDvarFloatDefault( #"scr_max_planeyaw", -45.0 );
	minRoll = getDvarFloatDefault( #"scr_min_planeroll", 60.0 );
	ox = getDvarFloatDefault( #"scr_planeox", 30000.0 );
	oy = getDvarFloatDefault( #"scr_planeoy", -30000.0 );
	maxoX = getDvarFloatDefault( #"scr_maxo_planex", -1.0 );
	maxoY = getDvarFloatDefault( #"scr_maxo_planey", -1.0 );
	if (plane.angles[1] == 360)
		plane.angles = ( plane.angles[0], 0, plane.angles[2] );
	origX = plane.origin[0];
	origY = plane.origin[1];
	accumTurn = 0;
	looptime = 0.1;
	while( loopTime <= halflife )
	{
		if (plane.angles[1] == 360)
			plane.angles = ( plane.angles[0], 0, plane.angles[2] );
		if ( minRoll != -1 && plane.angles[2] >= minRoll )
			rollZ = 0.0;
		accumTurn += yawY;
		if ( accumTurn <= maxYaw )
		{
			yawY = 0.0;
		}
		plane.angles = ( plane.angles[0], plane.angles[1] + yawY, plane.angles[2] + rollZ);
		mathX = ( sin ( 45 * looptime / halflife ) ) * ox ;
		mathY = ( cos ( 45 * looptime / halflife ) ) * oy ;
		oldX = mathX;
		oldY = oy - mathY;
		rotatedX = Cos(yaw) * oldX - Sin(yaw) * oldY;
		rotatedY = Sin(yaw) * oldX + Cos(yaw) * oldY;
		println( rotatedX + " " + rotatedY + "\n" );
		endPoint = ( origX + rotatedX, origY + rotatedY, plane.origin[2]);
		plane moveTo( endPoint, 0.1, 0, 0 );
		realwait (0.1);
		loopTime += 0.1;
	}
	yawY = getDvarFloatDefault( #"scr_planeyaw2", 0.6 );
	rollZ = getDvarFloatDefault( #"scr_planeroll2", -0.9 );
	ox = getDvarFloatDefault( #"scr_planeox", 30000.0 );
	oy = getDvarFloatDefault( #"scr_planeoy", -30000.0 );
	maxoX = getDvarFloatDefault( #"scr_maxo_planex", -1.0 );
	maxoY = getDvarFloatDefault( #"scr_maxo_planey", -1.0 );
	y = getDvarFloatDefault( #"scr_planey2", 0.6 );
	z = getDvarFloatDefault( #"scr_planez2", -1.5 );
	maxy = getDvarFloatDefault( #"scr_max_planey2", 90);
	accumTurn = 0;
	while( loopTime < halflife + halflife )
	{
		if (plane.angles[1] == 360)
			plane.angles = ( plane.angles[0], 0, plane.angles[2] );
		if ( minRoll != -1 && plane.angles[2] >= 0 )
			rollZ = 0.0;
		accumTurn += yawY;
		if ( accumTurn >= maxYaw )
		{
			yawY = 0.0;
		}
		plane.angles = ( plane.angles[0], plane.angles[1] + yawY, plane.angles[2] - rollZ);
		mathX = ( sin ( 45 * looptime / halflife ) ) * ox ;
		mathY = ( cos ( 45 * looptime / halflife ) ) * oy ;
		oldX = mathX;
		oldY = oy - mathY;
		rotatedX = Cos(yaw) * oldX - Sin(yaw) * oldY;
		rotatedY = Sin(yaw) * oldX + Cos(yaw) * oldY;
		endPoint = ( origX + rotatedX, origY + rotatedY, plane.origin[2]);
		plane moveTo( endPoint, 0.1, 0, 0 );
		realwait (0.1);
		loopTime += 0.1;
	}
}
doABarrelRoll( plane, endPoint, time )
{
	plane endon("delete");
	plane moveTo( endPoint, time, 0, 0 );
	rollZ = getDvarFloatDefault( #"scr_barrelroll", 10 );
	degreesToRoll = getDvarFloatDefault( #"scr_degreesToRoll", 720 );
	degreesRolled = 0;
	while ( degreesRolled < degreesToRoll )
	{
		plane.angles = ( plane.angles[0], plane.angles[1], plane.angles[2] + rollZ);
		degreesRolled += rollZ;
		realwait (0.01);
	}
}
planeGoStraight( plane, endPoint, time )
{
	plane endon("delete");
	plane moveTo( endPoint, time, 0, 0 );
}
debug_line( from, to, color, time )
{
}
debug_star( origin, color, time )
{
}
getDvarFloatDefault( dvarName, defaultValue)
{
	returnVal = defaultValue;
	if (getDvar(dvarName) != "")
	{
		return getDvarFloat(dvarName);
	}
	return returnVal;
}
getDvarIntDefault( dvarName, defaultValue)
{
	returnVal = defaultValue;
	if (getDvar(dvarName) != "")
	{
		return getDvarInt(dvarName);
	}
	return returnVal;
}