#include "Ship.h"
#include <Text.h>
#include <Globals.h>
#include <TastaturEreignis.h>
#include <FrameworkMath.h>
#include "Schuss.h"
#include "Asteroid.h"

// Inhalt der Ship Klasse aus Ship.h
// Konstruktor
Ship::Ship( Model2DData *data, Bild *textur, Vec2< float > p, Vec2< float > s, float r )
{
	ship = new Model2D();
	ship->setStyle( Model2D::Style::Sichtbar | Model2D::Style::Textur );
	ship->setModel( data );
	ship->setTextur( textur );
	ship->setDrehung( r );
	pos = p;
	speed = s;
	ref = 1;
}

// Destruktor
Ship::~Ship()
{
	ship->release();
}

// nicht constant
bool Ship::tick( double zeit, int breite, int höhe )
{
	Vertex minP = (Vertex)ship->zModel()->minP * ship->getSize() + ship->getPosition();
	Vertex maxP = (Vertex)ship->zModel()->maxP * ship->getSize() + ship->getPosition();
	if( maxP.x < 0 && speed.x < 0 )
		pos.x = breite + ship->zModel()->maxP.x * ship->getSize();
	if( maxP.y < 0 && speed.y < 0 )
		pos.y = höhe + ship->zModel()->maxP.y * ship->getSize();
	if( minP.x > breite && speed.x > 0 )
		pos.x = 0 - ship->zModel()->maxP.x * ship->getSize();
	if( minP.y > höhe && speed.y > 0 )
		pos.y = 0 - ship->zModel()->maxP.y * ship->getSize();
	ship->setPosition( pos );
	if( getTastenStand( T_Oben ) || getTastenStand( 'w' ) || getTastenStand( 'W' ) )
	{
		speed.x += (float)( 4.2 * cos( ship->getDrehung() ) );
		speed.y += (float)( 4.2 * sin( ship->getDrehung() ) );
	}
	else
	{
		float movementAngle = atan2( speed.y, speed.x );
		if( speed.x != 0 )
			speed.x += 1.2f * cos( movementAngle + (float)PI );
		if( speed.y != 0 )
			speed.y += 1.2f * sin( movementAngle + (float)PI );
		if( speed.x < 6.f && speed.x > -6.f )
			speed.x = 0;
		if( speed.y < 6.f && speed.y > -6.f )
			speed.y = 0;
	}
	if( !getTastenStand( T_Space ) )
	{
		if( getTastenStand( T_Rechts ) || getTastenStand( 'd' ) || getTastenStand( 'D' ) )
			ship->addDrehung( (float)zeit * 2 );
		if( getTastenStand( T_Links ) || getTastenStand( 'a' ) || getTastenStand( 'A' ) )
			ship->addDrehung( (float)-zeit * 2 );
	}
	if( speed.x || speed.y )
	{
		pos += speed * (float)zeit;
		ship->setPosition( pos );
	}
	return ship->tick( zeit );
}

void Ship::render( Bild &zRObj )
{
	ship->render( zRObj );
}

// constant
void Ship::save( Datei *zD ) const
{
	zD->schreibe( (char*)&pos.x, 4 );
	zD->schreibe( (char*)&pos.y, 4 );
	zD->schreibe( (char*)&speed.x, 4 );
	zD->schreibe( (char*)&speed.y, 4 );
	float r = ship->getDrehung();
	zD->schreibe( (char*)&r, 4 );
}

Schuss *Ship::getSchuss() const
{
	return new Schuss( pos, Vec2<float>( cos( ship->getDrehung() ), sin( ship->getDrehung() ) ) * 200 );
}

bool Ship::istTod( Asteroid *zA ) const
{
	return ship->istModelInnen( zA->zModel() );
}

Punkt Ship::getKamPos( int breite, int höhe ) const
{
	Punkt ret;
	ret.x = (int)pos.x - 400;
	ret.y = (int)pos.y - 250;
	if( ret.x < 0 )
		ret.x = 0;
	if( ret.y < 0 )
		ret.y = 0;
	if( ret.x > breite - 800 )
		ret.x = breite - 800;
	if( ret.y > höhe - 500 )
		ret.y = höhe - 500;
	return ret;
}

Punkt Ship::getPos() const
{
	return (Punkt)pos;
}

// Reference Counting
Ship *Ship::getThis()
{
	ref++;
	return this;
}

Ship *Ship::release()
{
	ref--;
	if( !ref )
		delete this;
	return 0;
}