166 lines
5.1 KiB
C++
166 lines
5.1 KiB
C++
// viewmgr.hxx -- class for managing all the views in the flightgear world.
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//
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// Written by Curtis Olson, started October 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef _VIEWMGR_HXX
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#define _VIEWMGR_HXX
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#include <vector>
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#include <simgear/compiler.h>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/props/props.hxx>
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#include <simgear/props/tiedpropertylist.hxx>
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#include <simgear/math/SGMath.hxx>
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// forward decls
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class FGViewer;
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typedef SGSharedPtr<FGViewer> FGViewerPtr;
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// Define a structure containing view information
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class FGViewMgr : public SGSubsystem
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{
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public:
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// Constructor
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FGViewMgr( void );
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// Destructor
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~FGViewMgr( void );
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virtual void init ();
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virtual void bind ();
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virtual void unbind ();
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virtual void update (double dt);
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virtual void reinit ();
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// getters
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inline int size() const { return views.size(); }
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inline int get_current() const { return current; }
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FGViewer *get_current_view();
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const FGViewer *get_current_view() const;
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FGViewer *get_view( int i );
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const FGViewer *get_view( int i ) const;
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FGViewer *next_view();
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FGViewer *prev_view();
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// setters
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void clear();
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void add_view( FGViewer * v );
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private:
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void do_bind();
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simgear::TiedPropertyList _tiedProperties;
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double axis_long;
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double axis_lat;
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void do_axes ();
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// callbacks in manager to access viewer methods
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double getViewHeadingOffset_deg () const;
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void setViewHeadingOffset_deg (double offset);
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double getViewGoalHeadingOffset_deg () const;
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void setViewGoalHeadingOffset_deg (double offset);
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double getViewPitchOffset_deg () const;
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void setViewPitchOffset_deg (double tilt);
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double getGoalViewPitchOffset_deg () const;
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void setGoalViewRollOffset_deg (double tilt);
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double getViewRollOffset_deg () const;
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void setViewRollOffset_deg (double tilt);
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double getGoalViewRollOffset_deg () const;
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void setGoalViewPitchOffset_deg (double tilt);
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double getViewXOffset_m () const;
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void setViewXOffset_m (double x);
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double getViewYOffset_m () const;
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void setViewYOffset_m (double y);
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double getViewZOffset_m () const;
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void setViewZOffset_m (double z);
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double getViewTargetXOffset_m () const;
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void setViewTargetXOffset_m (double x);
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double getViewTargetYOffset_m () const;
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void setViewTargetYOffset_m (double y);
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double getViewTargetZOffset_m () const;
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void setViewTargetZOffset_m (double z);
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double getFOV_deg () const;
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void setFOV_deg (double fov);
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double getARM_deg () const; // Aspect Ratio Multiplier
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void setARM_deg (double fov);
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double getNear_m () const;
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void setNear_m (double near_m);
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void setViewAxisLong (double axis);
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void setViewAxisLat (double axis);
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int getView () const;
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void setView (int newview);
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double getViewLon_deg() const;
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double getViewLat_deg() const;
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double getViewElev_ft() const;
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// quaternion accessors, for debugging:
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double getCurrentViewOrientation_w() const;
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double getCurrentViewOrientation_x() const;
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double getCurrentViewOrientation_y() const;
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double getCurrentViewOrientation_z() const;
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double getCurrentViewOrOffset_w() const;
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double getCurrentViewOrOffset_x() const;
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double getCurrentViewOrOffset_y() const;
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double getCurrentViewOrOffset_z() const;
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double getCurrentViewFrame_w() const;
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double getCurrentViewFrame_x() const;
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double getCurrentViewFrame_y() const;
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double getCurrentViewFrame_z() const;
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// copies current offset settings to current-view path...
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void copyToCurrent ();
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bool inited;
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SGPropertyNode_ptr view_number;
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std::vector<SGPropertyNode_ptr> config_list;
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typedef std::vector<FGViewerPtr> viewer_list;
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viewer_list views;
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SGVec3d abs_viewer_position;
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int current;
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SGQuatd current_view_orientation, current_view_or_offset;
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SGPropertyNode_ptr current_x_offs, current_y_offs, current_z_offs;
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SGPropertyNode_ptr target_x_offs, target_y_offs, target_z_offs;
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};
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// This takes the conventional aviation XYZ body system
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// i.e. x=forward, y=starboard, z=bottom
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// which is widely used in FGFS
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// and rotates it into the OpenGL camera system
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// i.e. Xprime=starboard, Yprime=top, Zprime=aft.
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inline const SGQuatd fsb2sta()
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{
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return SGQuatd(-0.5, -0.5, 0.5, 0.5);
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}
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#endif // _VIEWMGR_HXX
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