// $Id$
+#include <simgear/structure/commands.hxx>
+#include <simgear/misc/sg_path.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 SGSubsystemMgr ),
+ event_mgr( new SGEventMgr ),
+ sim_time_sec( 0.0 ),
+ fg_root( "" ),
+ fg_scenery( "" ),
+#if defined(FX) && defined(XMESA)
+ fullscreen( true ),
+#endif
warp( 0 ),
- warp_delta( 0 )
+ warp_delta( 0 ),
+ time_params( NULL ),
+ ephem( NULL ),
+ mag( NULL ),
+ autopilot( NULL ),
+ route( NULL ),
+ current_panel( NULL ),
+ soundmgr( NULL ),
+ airports( NULL ),
+ ATC_mgr( NULL ),
+ ATC_display( NULL ),
+ AI_mgr( NULL ),
+ controls( NULL ),
+ viewmgr( NULL ),
+ props( new SGPropertyNode ),
+ initial_state( NULL ),
+ locale( NULL ),
+ commands( new SGCommandMgr ),
+ model_lib( NULL ),
+ acmodel( NULL ),
+ model_mgr( NULL ),
+ channel_options_list( NULL ),
+ scenery( NULL ),
+ tile_mgr( NULL ),
+ io( new FGIO )
{
- // TODO: move to a proper bind method
-// fgTie("/sim/freeze", &freeze);
-// fgTie("/sim/warp", &warp);
-// fgTie("/sim/warp-delta", &warp_delta);
}
// Destructor
FGGlobals::~FGGlobals()
{
- // TODO: move to a proper unbind method
-// fgUntie("/sim/freeze");
-// fgUntie("/sim/warp");
-// fgUntie("/sim/warp-delta");
+ delete subsystem_mgr;
+ delete event_mgr;
+ delete initial_state;
+ delete props;
+ delete commands;
+ delete io;
+}
+
+
+// set the fg_root path
+void FGGlobals::set_fg_root (const string &root) {
+ fg_root = root;
+
+ // append /data to root if it exists
+ SGPath tmp( fg_root );
+ tmp.append( "data" );
+ tmp.append( "version" );
+ if ( ulFileExists( tmp.c_str() ) ) {
+ fg_root += "/data";
+ }
+}
+
+
+SGSubsystemMgr *
+FGGlobals::get_subsystem_mgr () const
+{
+ return subsystem_mgr;
+}
+
+SGSubsystem *
+FGGlobals::get_subsystem (const char * name)
+{
+ return subsystem_mgr->get_subsystem(name);
+}
+
+void
+FGGlobals::add_subsystem (const char * name,
+ SGSubsystem * subsystem,
+ SGSubsystemMgr::GroupType type,
+ double min_time_sec)
+{
+ subsystem_mgr->add(name, subsystem, type, min_time_sec);
+}
+
+
+SGEventMgr *
+FGGlobals::get_event_mgr () const
+{
+ return event_mgr;
+}
+
+
+void
+FGGlobals::add_event (const char * name,
+ int repeat_value,
+ int initial_value)
+{
+ event_mgr->add(name, subsystem_mgr->get_subsystem(name),
+ repeat_value, initial_value);
+}
+
+void
+FGGlobals::add_event (const char * name,
+ const SGSubsystem * subsystem,
+ int repeat_value,
+ int initial_value)
+{
+ event_mgr->add(name, subsystem, repeat_value, initial_value);
+}
+
+
+
+// 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