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>
47 // Define a structure containing view information
48 class FGViewMgr : public FGSubsystem
61 virtual void unbind ();
62 virtual void update (double dt);
65 inline int size() const { return views.size(); }
66 inline int get_current() const { return current; }
67 inline FGViewer *get_current_view() {
68 if ( current < (int)views.size() ) {
69 return views[current];
74 inline const FGViewer *get_current_view() const {
75 if ( current < (int)views.size() ) {
76 return views[current];
81 inline FGViewer *get_view( int i ) {
82 if ( i < 0 ) { i = 0; }
83 if ( i >= (int)views.size() ) { i = views.size() - 1; }
86 inline const FGViewer *get_view( int i ) const {
87 if ( i < 0 ) { i = 0; }
88 if ( i >= (int)views.size() ) { i = views.size() - 1; }
91 inline FGViewer *next_view() {
93 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 ) {
114 // copies current offset settings to current-view path...
115 void copyToCurrent ();
124 double getViewOffset_deg () const;
125 void setViewOffset_deg (double offset);
126 double getGoalViewOffset_deg () const;
127 void setGoalViewOffset_deg (double offset);
128 double getViewTilt_deg () const;
129 void setViewTilt_deg (double tilt);
130 double getGoalViewTilt_deg () const;
131 void setGoalViewTilt_deg (double tilt);
132 double getPilotXOffset_m () const;
133 void setPilotXOffset_m (double x);
134 double getPilotYOffset_m () const;
135 void setPilotYOffset_m (double y);
136 double getPilotZOffset_m () const;
137 void setPilotZOffset_m (double z);
138 double getFOV_deg () const;
139 void setFOV_deg (double fov);
140 double getNear_m () const;
141 void setNear_m (double near_m);
142 void setViewAxisLong (double axis);
143 void setViewAxisLat (double axis);
145 typedef vector < FGViewer * > viewer_list;
153 #endif // _VIEWMGR_HXX