1 // viewmgr.hxx -- class for managing all the views in the flightgear world.
3 // Written by Curtis Olson, started October 2000.
5 // Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 # error This library requires C++
33 #include <simgear/compiler.h>
42 #include "viewer_lookat.hxx"
43 #include "viewer_rph.hxx"
48 // Define a structure containing view information
49 class FGViewMgr : public FGSubsystem
62 virtual void unbind ();
63 virtual void update (int dt);
66 inline int size() const { return views.size(); }
67 inline int get_current() const { return current; }
68 inline FGViewer *get_current_view() {
69 if ( current < (int)views.size() ) {
70 return views[current];
75 inline const FGViewer *get_current_view() const {
76 if ( current < (int)views.size() ) {
77 return views[current];
82 inline FGViewer *get_view( int i ) {
83 if ( i < 0 ) { i = 0; }
84 if ( i >= (int)views.size() ) { i = views.size() - 1; }
87 inline const FGViewer *get_view( int i ) const {
88 if ( i < 0 ) { i = 0; }
89 if ( i >= (int)views.size() ) { i = views.size() - 1; }
92 inline FGViewer *next_view() {
94 if ( current >= (int)views.size() ) {
97 return views[current];
99 inline FGViewer *prev_view() {
102 current = views.size() - 1;
104 return views[current];
108 inline void clear() { views.clear(); }
109 inline void set_view( const int v ) { current = v; }
110 inline void add_view( FGViewer * v ) {
121 double getViewOffset_deg () const;
122 void setViewOffset_deg (double offset);
123 double getGoalViewOffset_deg () const;
124 void setGoalViewOffset_deg (double offset);
125 double getViewTilt_deg () const;
126 void setViewTilt_deg (double tilt);
127 double getGoalViewTilt_deg () const;
128 void setGoalViewTilt_deg (double tilt);
129 double getPilotXOffset_m () const;
130 void setPilotXOffset_m (double x);
131 double getPilotYOffset_m () const;
132 void setPilotYOffset_m (double y);
133 double getPilotZOffset_m () const;
134 void setPilotZOffset_m (double z);
135 double getFOV_deg () const;
136 void setFOV_deg (double fov);
137 void setViewAxisLong (double axis);
138 void setViewAxisLat (double axis);
140 typedef vector < FGViewer * > viewer_list;
148 #endif // _VIEWMGR_HXX