GameController.cpp

#include <osgViewer/Viewer>

#include "GameController.hpp"
#include "FindNamedNode.hpp"

#include "Ball.hpp"
#include "RealPlayer.hpp"
#include "PongScore.hpp"

#include <iostream>
using namespace std;

GameController::GameController( osg::Group* root ) : _root(root), _direction(0.1f), _distance(0.0f) {}

bool GameController::handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
{
	// candidate for threading
	FindNamedNode findPlayer1("player1");
	_root->accept(findPlayer1);
	osg::ref_ptr<RealPlayer> player1 = static_cast<RealPlayer*> (findPlayer1.getNode());
	player1->update(ea, _root.get());

	bool fall = false;
	FindNamedNode findBall("ball");
	_root->accept(findBall);
	osg::ref_ptr<Ball> ball = static_cast<Ball*> (findBall.getNode());
	fall = ball->update(ea, _root.get());

	FindNamedNode findPlayer2("player2");
	_root->accept(findPlayer2);
	osg::ref_ptr<RealPlayer> player2 = static_cast<RealPlayer*> (findPlayer2.getNode());
	player2->update(ea, _root.get());
	
	// end threads
	
	if ( ball->intersectsWith(player1) || ball->intersectsWith(player2) )
	{
		cout << "intersection detected" <<endl;
		ball->reboundH(ea, _root.get());
	}
	
	if ( fall )
	{
		int loser = ball->side();
		if ( loser == 1)
		{
			ball->setMatrix( osg::Matrix::translate(80.0f, 45.0f, 0.0f) );
			player2->incrScore();
		}
		else if ( loser == 2)
		{
			// TODO: uncomment next line when Player2 is implemented
			// ball->setMatrix( osg::Matrix::translate(80.0f, 45.0f, 0.0f) );
			player1->incrScore();
		}

		// score kludge starts here: RealPlayer::incScore() should be enough
		FindNamedNode findScorep1("scorep1");
		_root->accept(findScorep1);
		osg::ref_ptr<PongScore> scorep1 = static_cast<PongScore*> (findScorep1.getNode());
		scorep1->setText(std::to_string(player1->getScore()));

		FindNamedNode findScorep2("scorep2");
		_root->accept(findScorep2);
		osg::ref_ptr<PongScore> scorep2 = static_cast<PongScore*> (findScorep2.getNode());
		scorep2->setText(std::to_string(player2->getScore()));
		// score kludge ends here
		
		if ( player1->getScore() == 11 || player1->getScore() == 11 )
		{
			cout << "resetting scores" << endl;
			player1->resetScore();
			player2->resetScore();
			// ditto, see above kludge
			scorep1->setText(std::to_string(player1->getScore()));
			scorep2->setText(std::to_string(player2->getScore()));
		}
	}
	// see https://github.com/openscenegraph/OpenSceneGraph/blob/master/src/osgGA/GUIEventHandler.cpp
	return true;
}