#include "globals.hxx"
+#include "fg_props.hxx"
+\f
+////////////////////////////////////////////////////////////////////////
+// Implementation of FGGlobals.
+////////////////////////////////////////////////////////////////////////
+
// global global :-)
FGGlobals *globals;
FGGlobals::FGGlobals() :
freeze( false ),
warp( 0 ),
- warp_delta( 0 )
+ warp_delta( 0 ),
+ props(new SGPropertyNode),
+ initial_state(0),
+ commands(new SGCommandMgr)
{
}
// Destructor
-FGGlobals::~FGGlobals() {
+FGGlobals::~FGGlobals()
+{
+ delete initial_state;
+ delete props;
+ delete commands;
+}
+
+
+// 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!!!");
+ } else if (!copyProperties(initial_state, props)) {
+ SG_LOG(SG_GENERAL, SG_INFO,
+ "Some errors restoring initial state (probably just read-only props)");
+ } else {
+ SG_LOG(SG_GENERAL, SG_INFO, "Initial state restored successfully");
+ }
+}
+
+
+// end of globals.cxx