162 lines
4.5 KiB
C++
162 lines
4.5 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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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#include <simgear/compiler.h>
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#include <simgear/structure/subsystem_mgr.hxx>
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <vector>
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#include "viewer.hxx"
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SG_USING_STD(vector);
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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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inline FGViewer *get_current_view() {
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if ( current < (int)views.size() ) {
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return views[current];
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} else {
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return NULL;
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}
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}
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inline const FGViewer *get_current_view() const {
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if ( current < (int)views.size() ) {
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return views[current];
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} else {
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return NULL;
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}
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}
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inline FGViewer *get_view( int i ) {
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if ( i < 0 ) { i = 0; }
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if ( i >= (int)views.size() ) { i = views.size() - 1; }
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return views[i];
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}
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inline const FGViewer *get_view( int i ) const {
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if ( i < 0 ) { i = 0; }
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if ( i >= (int)views.size() ) { i = views.size() - 1; }
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return views[i];
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}
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inline FGViewer *next_view() {
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setView((current+1 < (int)views.size()) ? (current + 1) : 0);
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return views[current];
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}
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inline FGViewer *prev_view() {
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setView((0 < current) ? (current - 1) : (views.size() - 1));
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return views[current];
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}
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// setters
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inline void clear() { views.clear(); }
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inline void set_view( const int v ) { current = v; }
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inline void add_view( FGViewer * v ) {
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views.push_back(v);
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v->init();
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}
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// copies current offset settings to current-view path...
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void copyToCurrent ();
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private:
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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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typedef vector < FGViewer * > viewer_list;
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viewer_list views;
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int current;
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};
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#endif // _VIEWMGR_HXX
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