Removed FGEnvironmentMgr as a special case in globals, initialization,

[flightgear.git] / src / Main / globals.cxx

diff --git a/src/Main/globals.cxx b/src/Main/globals.cxx
index ab752033b401603ef4dd8dcf6389a18ba22bda48..7a0242c5392a307e3c667223d6a2a77411c2fead 100644 (file)
--- a/src/Main/globals.cxx
+++ b/src/Main/globals.cxx
@@ -21,9 +21,19 @@
 // $Id$
 
 
+#include <simgear/misc/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;
@@ -31,23 +41,138 @@ FGGlobals *globals;
 
 // Constructor
 FGGlobals::FGGlobals() :
-    freeze( false ),
+    subsystem_mgr( new FGSubsystemMgr ),
+    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 ),
+    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 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";
+        }
+}
+
+
+FGSubsystemMgr *
+FGGlobals::get_subsystem_mgr () const
+{
+    return subsystem_mgr;
+}
+
+FGSubsystem *
+FGGlobals::get_subsystem (const char * name)
+{
+    return subsystem_mgr->get_subsystem(name);
+}
+
+void
+FGGlobals::add_subsystem (const char * name,
+                          FGSubsystem * subsystem,
+                          FGSubsystemMgr::GroupType type,
+                          double min_time_sec)
+{
+    subsystem_mgr->add(name, subsystem, type, min_time_sec);
+}
+
+
+// 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