1
0
Fork 0
flightgear/src/Main/viewmgr.hxx
2006-02-21 01:16:04 +00:00

162 lines
4.5 KiB
C++

// viewmgr.hxx -- class for managing all the views in the flightgear world.
//
// Written by Curtis Olson, started October 2000.
//
// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program 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 of the
// License, or (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _VIEWMGR_HXX
#define _VIEWMGR_HXX
#ifndef __cplusplus
# error This library requires C++
#endif
#include <simgear/compiler.h>
#include <simgear/structure/subsystem_mgr.hxx>
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <vector>
#include "viewer.hxx"
SG_USING_STD(vector);
// Define a structure containing view information
class FGViewMgr : public SGSubsystem
{
public:
// Constructor
FGViewMgr( void );
// Destructor
~FGViewMgr( void );
virtual void init ();
virtual void bind ();
virtual void unbind ();
virtual void update (double dt);
virtual void reinit ();
// getters
inline int size() const { return views.size(); }
inline int get_current() const { return current; }
inline FGViewer *get_current_view() {
if ( current < (int)views.size() ) {
return views[current];
} else {
return NULL;
}
}
inline const FGViewer *get_current_view() const {
if ( current < (int)views.size() ) {
return views[current];
} else {
return NULL;
}
}
inline FGViewer *get_view( int i ) {
if ( i < 0 ) { i = 0; }
if ( i >= (int)views.size() ) { i = views.size() - 1; }
return views[i];
}
inline const FGViewer *get_view( int i ) const {
if ( i < 0 ) { i = 0; }
if ( i >= (int)views.size() ) { i = views.size() - 1; }
return views[i];
}
inline FGViewer *next_view() {
setView((current+1 < (int)views.size()) ? (current + 1) : 0);
return views[current];
}
inline FGViewer *prev_view() {
setView((0 < current) ? (current - 1) : (views.size() - 1));
return views[current];
}
// setters
inline void clear() { views.clear(); }
inline void set_view( const int v ) { current = v; }
inline void add_view( FGViewer * v ) {
views.push_back(v);
v->init();
}
// copies current offset settings to current-view path...
void copyToCurrent ();
private:
double axis_long;
double axis_lat;
void do_axes ();
// callbacks in manager to access viewer methods
double getViewHeadingOffset_deg () const;
void setViewHeadingOffset_deg (double offset);
double getViewGoalHeadingOffset_deg () const;
void setViewGoalHeadingOffset_deg (double offset);
double getViewPitchOffset_deg () const;
void setViewPitchOffset_deg (double tilt);
double getGoalViewPitchOffset_deg () const;
void setGoalViewRollOffset_deg (double tilt);
double getViewRollOffset_deg () const;
void setViewRollOffset_deg (double tilt);
double getGoalViewRollOffset_deg () const;
void setGoalViewPitchOffset_deg (double tilt);
double getViewXOffset_m () const;
void setViewXOffset_m (double x);
double getViewYOffset_m () const;
void setViewYOffset_m (double y);
double getViewZOffset_m () const;
void setViewZOffset_m (double z);
double getViewTargetXOffset_m () const;
void setViewTargetXOffset_m (double x);
double getViewTargetYOffset_m () const;
void setViewTargetYOffset_m (double y);
double getViewTargetZOffset_m () const;
void setViewTargetZOffset_m (double z);
double getFOV_deg () const;
void setFOV_deg (double fov);
double getARM_deg () const; // Aspect Ratio Multiplier
void setARM_deg (double fov);
double getNear_m () const;
void setNear_m (double near_m);
void setViewAxisLong (double axis);
void setViewAxisLat (double axis);
int getView () const;
void setView (int newview);
typedef vector < FGViewer * > viewer_list;
viewer_list views;
int current;
};
#endif // _VIEWMGR_HXX