// $Id$
+#include <simgear/misc/commands.hxx>
+
+#include <Environment/environment_mgr.hxx>
+
#include "globals.hxx"
+#include "viewmgr.hxx"
+
+#include "fg_props.hxx"
+#include "fg_io.hxx"
+\f
+////////////////////////////////////////////////////////////////////////
+// Implementation of FGGlobals.
+////////////////////////////////////////////////////////////////////////
// global global :-)
FGGlobals *globals;
// Constructor
FGGlobals::FGGlobals() :
- freeze( false ),
+ subsystem_mgr(new FGSubsystemMgr),
+ sim_time_sec(0.0),
+#if defined(FX) && defined(XMESA)
+ fullscreen( true ),
+#endif
warp( 0 ),
- warp_delta( 0 )
+ warp_delta( 0 ),
+ props(new SGPropertyNode),
+ initial_state(0),
+ locale(NULL),
+ commands(new SGCommandMgr),
+ io(new FGIO)
{
}
// Destructor
-FGGlobals::~FGGlobals() {
+FGGlobals::~FGGlobals()
+{
+ delete subsystem_mgr;
+ delete initial_state;
+ delete props;
+ delete commands;
+ delete io;
+}
+
+
+// Save the current state as the initial state.
+void
+FGGlobals::saveInitialState ()
+{
+ delete initial_state;
+ initial_state = new SGPropertyNode();
+ if (!copyProperties(props, initial_state))
+ SG_LOG(SG_GENERAL, SG_ALERT, "Error saving initial state");
+}
+
+
+// Restore the saved initial state, if any
+void
+FGGlobals::restoreInitialState ()
+{
+ if ( initial_state == 0 ) {
+ SG_LOG(SG_GENERAL, SG_ALERT,
+ "No initial state available to restore!!!");
+ return;
+ }
+
+ SGPropertyNode *currentPresets = new SGPropertyNode;
+ SGPropertyNode *targetNode = fgGetNode( "/sim/presets" );
+
+ // stash the /sim/presets tree
+ if ( !copyProperties(targetNode, currentPresets) ) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Failed to save /sim/presets subtree" );
+ }
+
+ if ( copyProperties(initial_state, props) ) {
+ SG_LOG( SG_GENERAL, SG_INFO, "Initial state restored successfully" );
+ } else {
+ SG_LOG( SG_GENERAL, SG_INFO,
+ "Some errors restoring initial state (read-only props?)" );
+ }
+
+ // recover the /sim/presets tree
+ if ( !copyProperties(currentPresets, targetNode) ) {
+ SG_LOG( SG_GENERAL, SG_ALERT,
+ "Failed to restore /sim/presets subtree" );
+ }
+
+ delete currentPresets;
+}
+
+FGViewer *
+FGGlobals::get_current_view () const
+{
+ return viewmgr->get_current_view();
}
+// end of globals.cxx