104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
// viewmgr.hxx -- class for managing all the views in the flightgear world.
|
|
//
|
|
// Written by Curtis Olson, started October 2000.
|
|
//
|
|
// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU General Public License as
|
|
// published by the Free Software Foundation; either version 2 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful, but
|
|
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// General Public License for more details.
|
|
//
|
|
// 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.
|
|
//
|
|
// $Id$
|
|
|
|
|
|
#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 "viewer_lookat.hxx"
|
|
#include "viewer_rph.hxx"
|
|
|
|
SG_USING_STD(vector);
|
|
|
|
|
|
// Define a structure containing view information
|
|
class FGViewMgr {
|
|
|
|
private:
|
|
|
|
typedef vector < FGViewer * > viewer_list;
|
|
viewer_list views;
|
|
|
|
int current;
|
|
|
|
public:
|
|
|
|
// Constructor
|
|
FGViewMgr( void );
|
|
|
|
// Destructor
|
|
~FGViewMgr( void );
|
|
|
|
// getters
|
|
inline int size() const { return views.size(); }
|
|
inline int get_current() const { return current; }
|
|
inline FGViewer *get_current_view() {
|
|
if ( current < (int)views.size() ) {
|
|
return views[current];
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
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];
|
|
}
|
|
|
|
// setters
|
|
inline void clear() { views.clear(); }
|
|
inline void set_view( const int v ) { current = v; }
|
|
inline void add_view( FGViewer * v ) {
|
|
views.push_back(v);
|
|
}
|
|
};
|
|
|
|
|
|
#endif // _VIEWMGR_HXX
|