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/** \file move_listener.h
* <File description>
*
* $Id: move_listener.h,v 1.2 2000/12/04 17:58:09 coutelas Exp $
*/
/* Copyright, 2000 Nevrax Ltd.
*
* This file is part of NEVRAX NEL.
* NEVRAX NEL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
* NEVRAX NEL is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with NEVRAX NEL; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#ifndef NL_MOVE_LISTENER_H
#define NL_MOVE_LISTENER_H
#include "nel/misc/types_nl.h"
#include "nel/misc/event_listener.h"
#include "nel/misc/matrix.h"
#include "nel/3d/viewport.h"
#include "nel/3d/scene.h"
#include "nel/3d/camera.h"
namespace NL3D
{
/**
* CMoveListener is a listener that handle a 3d matrix with mouse events.
* \author Stephane Coutelas
* \author Nevrax France
* \date 2000
*/
class CMoveListener : public NLMISC::IEventListener
{
public:
/**
* TMoveMode.
* moving modes
*/
enum TMoveMode
{
WALK,
FREE
};
/**
* Constructor.
* You should call init then.
*/
CMoveListener();
/**
* Constructor.
* You should call init then.
* \param scene the scene
* \param w screen width in pixels
* \param h screen height in pixels
* \param camera the camera
*/
void init(CScene * scene, uint w, uint h, const class CCamera& camera)
{
_Scene = scene;
_Width = w;
_Height = h;
_Viewport = scene->getViewport();
float dummy;
_ViewMatrix = camera.getMatrix ();
camera.getFrustum (_Left, _Right, _Bottom, _Top, _Depth, dummy);
}
/**
* Set the moving mode
* \param m the moving mode
*/
void setMode(TMoveMode m)
{
_Mode = m;
}
/**
* Register the listener to the server.
*/
void addToServer (NLMISC::CEventServer& server);
/**
* Unregister the listener to the server.
*/
void removeFromServer (NLMISC::CEventServer& server);
private:
/// Internal use
virtual void operator()(const NLMISC::CEvent& event);
/// moving mode
TMoveMode _Mode;
/// view matrix
NLMISC::CMatrix _ViewMatrix;
/// viewport
NL3D::CViewport _Viewport;
/// true if previous mouse move event was re-centering cursor
bool _CursorReset;
CScene * _Scene;
/// screen width
uint _Width;
/// screen height
uint _Height;
///frustum parameters
float _Top;
float _Bottom;
float _Left;
float _Right;
float _Depth;
/// current position
CVector _Pos;
///current rotation z angle
float _RotZ;
///current rotation x angle
float _RotX;
/// step for translation
static const float _StepTrans;
/// step for rotation
static const float _StepRot;
}; // NL3D
}
#endif // NL_MOVE_LISTENER_H
/* End of move_listener.h */
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