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flightgear/src/Main/viewmgr.hxx
Torsten Dreyer 1050a35d92 prepare for subsystem_mgr.hxx no longer including props.hxx
subsystem_mgr.hxx will soon no longer include props.hxx since it
does not (need to) know about properties at all.
2011-02-27 12:53:47 +01:00

165 lines
4.9 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
#include <vector>
#include <list>
#include <simgear/compiler.h>
#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/props/props.hxx>
#include <simgear/math/SGMath.hxx>
// forward decls
class FGViewer;
class SGSoundMgr;
typedef SGSharedPtr<FGViewer> FGViewerPtr;
// 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; }
FGViewer *get_current_view();
const FGViewer *get_current_view() const;
FGViewer *get_view( int i );
const FGViewer *get_view( int i ) const;
FGViewer *next_view();
FGViewer *prev_view();
// setters
void clear();
void add_view( FGViewer * v );
private:
void do_bind();
list<const char*> tied_props;
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);
// quaternion accessors, for debugging:
double getCurrentViewOrientation_w() const;
double getCurrentViewOrientation_x() const;
double getCurrentViewOrientation_y() const;
double getCurrentViewOrientation_z() const;
double getCurrentViewOrOffset_w() const;
double getCurrentViewOrOffset_x() const;
double getCurrentViewOrOffset_y() const;
double getCurrentViewOrOffset_z() const;
double getCurrentViewFrame_w() const;
double getCurrentViewFrame_x() const;
double getCurrentViewFrame_y() const;
double getCurrentViewFrame_z() const;
bool stationary () const;
// copies current offset settings to current-view path...
void copyToCurrent ();
bool inited;
SGPropertyNode_ptr view_number;
vector<SGPropertyNode_ptr> config_list;
typedef std::vector<FGViewerPtr> viewer_list;
viewer_list views;
SGVec3d abs_viewer_position;
int current;
SGQuatd current_view_orientation, current_view_or_offset;
SGSoundMgr *smgr;
};
// This takes the conventional aviation XYZ body system
// i.e. x=forward, y=starboard, z=bottom
// which is widely used in FGFS
// and rotates it into the OpenGL camera system
// i.e. Xprime=starboard, Yprime=top, Zprime=aft.
inline const SGQuatd fsb2sta()
{
return SGQuatd(-0.5, -0.5, 0.5, 0.5);
}
#endif // _VIEWMGR_HXX