#ifndef _VIEWMGR_HXX
#define _VIEWMGR_HXX
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
+#include <vector>
+#include <list>
#include <simgear/compiler.h>
#include <simgear/structure/subsystem_mgr.hxx>
+#include <simgear/props/props.hxx>
+#include <simgear/math/SGMath.hxx>
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <vector>
-
-#include "viewer.hxx"
-
-SG_USING_STD(vector);
-
+// forward decls
+class FGViewer;
+class SGSoundMgr;
+typedef SGSharedPtr<FGViewer> FGViewerPtr;
// Define a structure containing view information
class FGViewMgr : public SGSubsystem
// 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 const FGViewer *get_current_view() const {
- 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 const FGViewer *get_view( int i ) const {
- if ( i < 0 ) { i = 0; }
- if ( i >= (int)views.size() ) { i = views.size() - 1; }
- return views[i];
- }
- inline FGViewer *next_view() {
- setView((current+1 < (int)views.size()) ? (current + 1) : 0);
- return views[current];
- }
- inline FGViewer *prev_view() {
- setView((0 < current) ? (current - 1) : (views.size() - 1));
- return views[current];
- }
-
+
+ FGViewer *get_current_view();
+ const FGViewer *get_current_view() const;
+
+ FGViewer *get_view( int i );
+ const FGViewer *get_view( int i ) const;
+
+ FGViewer *next_view();
+ FGViewer *prev_view();
+
// 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);
- v->init();
- }
- // copies current offset settings to current-view path...
- void copyToCurrent ();
+ void clear();
+ void add_view( FGViewer * v );
+
private:
+ void do_bind();
+
+ list<const char*> tied_props;
double axis_long;
double axis_lat;
int getView () const;
void setView (int newview);
- typedef vector < FGViewer * > viewer_list;
+// quaternion accessors, for debugging:
+ double getCurrentViewOrientation_w() const;
+ double getCurrentViewOrientation_x() const;
+ double getCurrentViewOrientation_y() const;
+ double getCurrentViewOrientation_z() const;
+ double getCurrentViewOrOffset_w() const;
+ double getCurrentViewOrOffset_x() const;
+ double getCurrentViewOrOffset_y() const;
+ double getCurrentViewOrOffset_z() const;
+ double getCurrentViewFrame_w() const;
+ double getCurrentViewFrame_x() const;
+ double getCurrentViewFrame_y() const;
+ double getCurrentViewFrame_z() const;
+
+ bool stationary () const;
+
+ // copies current offset settings to current-view path...
+ void copyToCurrent ();
+
+ bool inited;
+ SGPropertyNode_ptr view_number;
+ vector<SGPropertyNode_ptr> config_list;
+ typedef std::vector<FGViewerPtr> viewer_list;
viewer_list views;
+ SGVec3d abs_viewer_position;
int current;
+ SGQuatd current_view_orientation, current_view_or_offset;
+
+ SGSoundMgr *smgr;
};
+// This takes the conventional aviation XYZ body system
+// i.e. x=forward, y=starboard, z=bottom
+// which is widely used in FGFS
+// and rotates it into the OpenGL camera system
+// i.e. Xprime=starboard, Yprime=top, Zprime=aft.
+inline const SGQuatd fsb2sta()
+{
+ return SGQuatd(-0.5, -0.5, 0.5, 0.5);
+}
#endif // _VIEWMGR_HXX