//
// Written by Curtis Olson, started October 2000.
//
-// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+// 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
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+// 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>
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
#include <vector>
+#include <list>
-#include "viewer_lookat.hxx"
-#include "viewer_rph.hxx"
-
-FG_USING_STD(vector);
+#include <simgear/compiler.h>
+#include <simgear/structure/subsystem_mgr.hxx>
+#include <simgear/math/SGMath.hxx>
+// forward decls
+class FGViewer;
+class SGSoundMgr;
+typedef SGSharedPtr<FGViewer> FGViewerPtr;
// Define a structure containing view information
-class FGViewMgr {
-
-private:
-
- typedef vector < FGViewer * > viewer_list;
- viewer_list views;
-
- int current;
+class FGViewMgr : public SGSubsystem
+{
public:
// 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 FGViewer *get_view() {
- return views[current];
- }
- inline FGViewer *get_view( int i ) {
- if ( i < 0 ) { i = 0; }
- if ( i >= (int)views.size() ) { i = views.size() - 1; }
- return views[i];
- }
- inline FGViewer *next_view() {
- ++current;
- if ( current >= (int)views.size() ) {
- current = 0;
- }
- return views[current];
- }
- inline FGViewer *prev_view() {
- --current;
- if ( current < 0 ) {
- current = views.size() - 1;
- }
- return views[current];
- }
-
+ 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
- inline void clear() { views.clear(); }
- inline void add_view( FGViewer * v ) {
- views.push_back(v);
- current = views.size() - 1;
- }
+ 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