X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Ffg_commands.cxx;h=c8b938473cd1218e06d305653c4166051fa0d0fd;hb=7b95bb5aa382d0e573e4597213a2e0f1c3d53601;hp=7685a369b23b926261ed5c52bbe20ad9142da7e8;hpb=da5ea10d5db9675e6a5d75db5b33edfc350566b1;p=flightgear.git

diff --git a/src/Main/fg_commands.cxx b/src/Main/fg_commands.cxx
index 7685a369b..c8b938473 100644
--- a/src/Main/fg_commands.cxx
+++ b/src/Main/fg_commands.cxx
@@ -1,47 +1,58 @@
 // fg_commands.cxx - internal FGFS commands.
 
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
 #include <string.h>		// strcmp()
 
 #include <simgear/compiler.h>
 
-#include STL_STRING
-#include STL_FSTREAM
+#include <string>
+#include <fstream>
 
 #include <simgear/sg_inlines.h>
 #include <simgear/debug/logstream.hxx>
 #include <simgear/math/sg_random.h>
+#include <simgear/scene/material/mat.hxx>
+#include <simgear/scene/material/matlib.hxx>
 #include <simgear/structure/exception.hxx>
 #include <simgear/structure/commands.hxx>
 #include <simgear/props/props.hxx>
+#include <simgear/structure/event_mgr.hxx>
+#include <simgear/sound/soundmgr_openal.hxx>
 
 #include <Cockpit/panel.hxx>
 #include <Cockpit/panel_io.hxx>
+#include <Cockpit/hud.hxx>
 #include <Environment/environment.hxx>
 #include <FDM/flight.hxx>
 #include <GUI/gui.h>
 #include <GUI/new_gui.hxx>
 #include <GUI/dialog.hxx>
-#include <Replay/replay.hxx>
+#include <Aircraft/replay.hxx>
 #include <Scenery/tilemgr.hxx>
-#if defined(HAVE_PLIB_PSL)
-#  include <Scripting/scriptmgr.hxx>
-#endif
+#include <Scenery/scenery.hxx>
 #include <Scripting/NasalSys.hxx>
+#include <Sound/sample_queue.hxx>
 #include <Time/sunsolver.hxx>
 #include <Time/tmp.hxx>
 
 #include "fg_init.hxx"
 #include "fg_io.hxx"
+#include "fg_os.hxx"
 #include "fg_commands.hxx"
 #include "fg_props.hxx"
 #include "globals.hxx"
-#include "logger.cxx"
+#include "logger.hxx"
 #include "util.hxx"
 #include "viewmgr.hxx"
+#include "main.hxx"
+#include <Main/viewer.hxx>
 
-SG_USING_STD(string);
-SG_USING_STD(ifstream);
-SG_USING_STD(ofstream);
+using std::string;
+using std::ifstream;
+using std::ofstream;
 
 
 
@@ -126,15 +137,15 @@ static bool
 compare_values (SGPropertyNode * value1, SGPropertyNode * value2)
 {
     switch (value1->getType()) {
-    case SGPropertyNode::BOOL:
+    case simgear::props::BOOL:
         return (value1->getBoolValue() == value2->getBoolValue());
-    case SGPropertyNode::INT:
+    case simgear::props::INT:
         return (value1->getIntValue() == value2->getIntValue());
-    case SGPropertyNode::LONG:
+    case simgear::props::LONG:
         return (value1->getLongValue() == value2->getLongValue());
-    case SGPropertyNode::FLOAT:
+    case simgear::props::FLOAT:
         return (value1->getFloatValue() == value2->getFloatValue());
-    case SGPropertyNode::DOUBLE:
+    case simgear::props::DOUBLE:
         return (value1->getDoubleValue() == value2->getDoubleValue());
     default:
         return !strcmp(value1->getStringValue(), value2->getStringValue());
@@ -157,20 +168,6 @@ do_null (const SGPropertyNode * arg)
   return true;
 }
 
-#if defined(HAVE_PLIB_PSL)
-/**
- * Built-in command: run a PSL script.
- *
- * script: the PSL script to execute
- */
-static bool
-do_script (const SGPropertyNode * arg)
-{
-    FGScriptMgr * mgr = (FGScriptMgr *)globals->get_subsystem("scripting");
-    return mgr->run(arg->getStringValue("script"));
-}
-#endif // HAVE_PLIB_PSL
-
 /**
  * Built-in command: run a Nasal script.
  */
@@ -188,9 +185,45 @@ do_nasal (const SGPropertyNode * arg)
 static bool
 do_exit (const SGPropertyNode * arg)
 {
-  SG_LOG(SG_INPUT, SG_INFO, "Program exit requested.");
-  fgExit(arg->getIntValue("status", 0));
-  return true;
+    SG_LOG(SG_INPUT, SG_INFO, "Program exit requested.");
+    fgSetBool("/sim/signals/exit", true);
+
+    if (fgGetBool("/sim/startup/save-on-exit")) {
+#ifdef _WIN32
+        char* envp = ::getenv( "APPDATA" );
+        if ( envp != NULL ) {
+            SGPath config( envp );
+            config.append( "flightgear.org" );
+#else
+        if ( homedir != NULL ) {
+            SGPath config( homedir );
+            config.append( ".fgfs" );
+#endif
+            config.append( "autosave.xml" );
+            config.create_dir( 0700 );
+            SG_LOG(SG_IO, SG_INFO, "Saving user settings to " << config.str());
+            try {
+                writeProperties(config.str(), globals->get_props(), false, SGPropertyNode::USERARCHIVE);
+            } catch (const sg_exception &e) {
+                guiErrorMessage("Error writing autosave.xml: ", e);
+            }
+
+            SG_LOG(SG_INPUT, SG_DEBUG, "Finished Saving user settings");
+        }
+    }
+    fgExit(arg->getIntValue("status", 0));
+    return true;
+}
+
+
+/**
+ * Reset FlightGear (Shift-Escape or Menu->File->Reset)
+ */
+static bool
+do_reset (const SGPropertyNode * arg)
+{
+    reInit();
+    return true;
 }
 
 
@@ -227,6 +260,11 @@ do_reinit (const SGPropertyNode * arg)
     return result;
 }
 
+#if 0
+  //
+  // these routines look useful ??? but are never used in the code ???
+  //
+
 /**
  * Built-in command: suspend one or more subsystems.
  *
@@ -275,6 +313,8 @@ do_resume (const SGPropertyNode * arg)
     return result;
 }
 
+#endif
+
 
 /**
  * Built-in command: load flight.
@@ -285,16 +325,25 @@ do_resume (const SGPropertyNode * arg)
 static bool
 do_load (const SGPropertyNode * arg)
 {
-  const string &file = arg->getStringValue("file", "fgfs.sav");
-  ifstream input(file.c_str());
-  if (input.good() && fgLoadFlight(input)) {
-    input.close();
-    SG_LOG(SG_INPUT, SG_INFO, "Restored flight from " << file);
-    return true;
-  } else {
-    SG_LOG(SG_INPUT, SG_ALERT, "Cannot load flight from " << file);
-    return false;
-  }
+    string file = arg->getStringValue("file", "fgfs.sav");
+    if (file.size() < 4 || file.substr(file.size() - 4) != ".sav")
+        file += ".sav";
+
+    if (!fgValidatePath(file.c_str(), false)) {
+        SG_LOG(SG_IO, SG_ALERT, "load: reading '" << file << "' denied "
+                "(unauthorized access)");
+        return false;
+    }
+
+    ifstream input(file.c_str());
+    if (input.good() && fgLoadFlight(input)) {
+        input.close();
+        SG_LOG(SG_INPUT, SG_INFO, "Restored flight from " << file);
+        return true;
+    } else {
+        SG_LOG(SG_INPUT, SG_WARN, "Cannot load flight from " << file);
+        return false;
+    }
 }
 
 
@@ -307,18 +356,27 @@ do_load (const SGPropertyNode * arg)
 static bool
 do_save (const SGPropertyNode * arg)
 {
-  const string &file = arg->getStringValue("file", "fgfs.sav");
-  bool write_all = arg->getBoolValue("write-all", false);
-  SG_LOG(SG_INPUT, SG_INFO, "Saving flight");
-  ofstream output(file.c_str());
-  if (output.good() && fgSaveFlight(output, write_all)) {
-    output.close();
-    SG_LOG(SG_INPUT, SG_INFO, "Saved flight to " << file);
-    return true;
-  } else {
-    SG_LOG(SG_INPUT, SG_ALERT, "Cannot save flight to " << file);
-    return false;
-  }
+    string file = arg->getStringValue("file", "fgfs.sav");
+    if (file.size() < 4 || file.substr(file.size() - 4) != ".sav")
+        file += ".sav";
+
+    if (!fgValidatePath(file.c_str(), false)) {
+        SG_LOG(SG_IO, SG_ALERT, "save: writing '" << file << "' denied "
+                "(unauthorized access)");
+        return false;
+    }
+
+    bool write_all = arg->getBoolValue("write-all", false);
+    SG_LOG(SG_INPUT, SG_INFO, "Saving flight");
+    ofstream output(file.c_str());
+    if (output.good() && fgSaveFlight(output, write_all)) {
+        output.close();
+        SG_LOG(SG_INPUT, SG_INFO, "Saved flight to " << file);
+        return true;
+    } else {
+        SG_LOG(SG_INPUT, SG_ALERT, "Cannot save flight to " << file);
+        return false;
+    }
 }
 
 
@@ -411,7 +469,6 @@ do_view_next( bool )
     globals->get_current_view()->setHeadingOffset_deg(0.0);
     globals->get_viewmgr()->next_view();
     fix_hud_visibility();
-    globals->get_tile_mgr()->refresh_view_timestamps();
 }
 
 static void
@@ -420,7 +477,6 @@ do_view_prev( bool )
     globals->get_current_view()->setHeadingOffset_deg(0.0);
     globals->get_viewmgr()->prev_view();
     fix_hud_visibility();
-    globals->get_tile_mgr()->refresh_view_timestamps();
 }
 
 /**
@@ -432,8 +488,6 @@ do_view_cycle (const SGPropertyNode * arg)
   globals->get_current_view()->setHeadingOffset_deg(0.0);
   globals->get_viewmgr()->next_view();
   fix_hud_visibility();
-  globals->get_tile_mgr()->refresh_view_timestamps();
-//   fgReshape(fgGetInt("/sim/startup/xsize"), fgGetInt("/sim/startup/ysize"));
   return true;
 }
 
@@ -443,7 +497,47 @@ do_view_cycle (const SGPropertyNode * arg)
 static bool
 do_screen_capture (const SGPropertyNode * arg)
 {
-  fgDumpSnapShot();
+  return fgDumpSnapShot();
+}
+
+static bool
+do_reload_shaders (const SGPropertyNode*)
+{
+    simgear::reload_shaders();
+    return true;
+}
+
+static bool
+do_dump_scene_graph (const SGPropertyNode*)
+{
+    fgDumpSceneGraph();
+    return true;
+}
+
+static bool
+do_dump_terrain_branch (const SGPropertyNode*)
+{
+    fgDumpTerrainBranch();
+
+    double lon_deg = fgGetDouble("/position/longitude-deg");
+    double lat_deg = fgGetDouble("/position/latitude-deg");
+    SGGeod geodPos = SGGeod::fromDegFt(lon_deg, lat_deg, 0.0);
+    SGVec3d zero = SGVec3d::fromGeod(geodPos);
+
+    SG_LOG(SG_INPUT, SG_INFO, "Model parameters:");
+    SG_LOG(SG_INPUT, SG_INFO, "Center: " << zero.x() << ", " << zero.y() << ", " << zero.z() );
+    SG_LOG(SG_INPUT, SG_INFO, "Rotation: " << lat_deg << ", " << lon_deg );
+
+    return true;
+}
+
+/**
+ * Built-in command: hires capture screen.
+ */
+static bool
+do_hires_screen_capture (const SGPropertyNode * arg)
+{
+  fgHiResDump();
   return true;
 }
 
@@ -461,7 +555,6 @@ do_tile_cache_reload (const SGPropertyNode * arg)
     if ( !freeze ) {
 	fgSetBool("/sim/freeze/master", true);
     }
-    // BusyCursor(0);
     if ( globals->get_tile_mgr()->init() ) {
 	// Load the local scenery data
         double visibility_meters = fgGetDouble("/environment/visibility-m");
@@ -471,7 +564,6 @@ do_tile_cache_reload (const SGPropertyNode * arg)
 		"Error in Tile Manager initialization!" );
 	exit(-1);
     }
-    // BusyCursor(1);
     if ( !freeze ) {
 	fgSetBool("/sim/freeze/master", false);
     }
@@ -526,17 +618,21 @@ do_set_oat_degc (const SGPropertyNode * arg)
 {
     const string &temp_str = arg->getStringValue("temp-degc", "15.0");
 
-    static const SGPropertyNode *altitude_ft
-      = fgGetNode("/position/altitude-ft");
+    // check for an altitude specified in the arguments, otherwise use
+    // current aircraft altitude.
+    const SGPropertyNode *altitude_ft = arg->getChild("altitude-ft");
+    if ( altitude_ft == NULL ) {
+        altitude_ft = fgGetNode("/position/altitude-ft");
+    }
 
     FGEnvironment dummy;	// instantiate a dummy so we can leech a method
     dummy.set_elevation_ft( altitude_ft->getDoubleValue() );
     dummy.set_temperature_degc( atof( temp_str.c_str() ) );
     double temp_sea_level_degc = dummy.get_temperature_sea_level_degc();
 
-    cout << "Altitude = " << altitude_ft->getDoubleValue() << endl;
-    cout << "Temp at alt (C) = " << atof( temp_str.c_str() ) << endl;
-    cout << "Temp sea level (C) = " << temp_sea_level_degc << endl;
+    //cout << "Altitude = " << altitude_ft->getDoubleValue() << endl;
+    //cout << "Temp at alt (C) = " << atof( temp_str.c_str() ) << endl;
+    //cout << "Temp sea level (C) = " << temp_sea_level_degc << endl;
  
     SGPropertyNode *node, *child;
 
@@ -565,6 +661,96 @@ do_set_oat_degc (const SGPropertyNode * arg)
     return true;
 }
 
+/**
+ * Set the sea level outside air dewpoint and assigning that to all
+ * boundary and aloft environment layers.
+ */
+static bool
+do_set_dewpoint_sea_level_degc (const SGPropertyNode * arg)
+{
+    double dewpoint_sea_level_degc = arg->getDoubleValue("dewpoint-degc", 5.0);
+
+    SGPropertyNode *node, *child;
+
+    // boundary layers
+    node = fgGetNode( "/environment/config/boundary" );
+    if ( node != NULL ) {
+      int i = 0;
+      while ( ( child = node->getNode( "entry", i ) ) != NULL ) {
+	child->setDoubleValue( "dewpoint-sea-level-degc",
+			       dewpoint_sea_level_degc );
+	++i;
+      }
+    }
+
+    // aloft layers
+    node = fgGetNode( "/environment/config/aloft" );
+    if ( node != NULL ) {
+      int i = 0;
+      while ( ( child = node->getNode( "entry", i ) ) != NULL ) {
+	child->setDoubleValue( "dewpoint-sea-level-degc",
+			       dewpoint_sea_level_degc );
+	++i;
+      }
+    }
+
+    return true;
+}
+
+
+/**
+ * Set the outside air dewpoint at the "current" altitude by first
+ * calculating the corresponding sea level dewpoint, and assigning
+ * that to all boundary and aloft environment layers.
+ */
+static bool
+do_set_dewpoint_degc (const SGPropertyNode * arg)
+{
+    const string &dewpoint_str = arg->getStringValue("dewpoint-degc", "5.0");
+
+    // check for an altitude specified in the arguments, otherwise use
+    // current aircraft altitude.
+    const SGPropertyNode *altitude_ft = arg->getChild("altitude-ft");
+    if ( altitude_ft == NULL ) {
+        altitude_ft = fgGetNode("/position/altitude-ft");
+    }
+
+    FGEnvironment dummy;	// instantiate a dummy so we can leech a method
+    dummy.set_elevation_ft( altitude_ft->getDoubleValue() );
+    dummy.set_dewpoint_degc( atof( dewpoint_str.c_str() ) );
+    double dewpoint_sea_level_degc = dummy.get_dewpoint_sea_level_degc();
+
+    //cout << "Altitude = " << altitude_ft->getDoubleValue() << endl;
+    //cout << "Dewpoint at alt (C) = " << atof( dewpoint_str.c_str() ) << endl;
+    //cout << "Dewpoint at sea level (C) = " << dewpoint_sea_level_degc << endl;
+ 
+    SGPropertyNode *node, *child;
+
+    // boundary layers
+    node = fgGetNode( "/environment/config/boundary" );
+    if ( node != NULL ) {
+      int i = 0;
+      while ( ( child = node->getNode( "entry", i ) ) != NULL ) {
+	child->setDoubleValue( "dewpoint-sea-level-degc",
+			       dewpoint_sea_level_degc );
+	++i;
+      }
+    }
+
+    // aloft layers
+    node = fgGetNode( "/environment/config/aloft" );
+    if ( node != NULL ) {
+      int i = 0;
+      while ( ( child = node->getNode( "entry", i ) ) != NULL ) {
+	child->setDoubleValue( "dewpoint-sea-level-degc",
+			       dewpoint_sea_level_degc );
+	++i;
+      }
+    }
+
+    return true;
+}
+
 /**
  * Update the lighting manually.
  */
@@ -953,13 +1139,14 @@ static bool
 do_dialog_update (const SGPropertyNode * arg)
 {
     NewGUI * gui = (NewGUI *)globals->get_subsystem("gui");
-    FGDialog * dialog = gui->getActiveDialog();
+    FGDialog * dialog;
+    if (arg->hasValue("dialog-name"))
+        dialog = gui->getDialog(arg->getStringValue("dialog-name"));
+    else
+        dialog = gui->getActiveDialog();
+
     if (dialog != 0) {
-        if (arg->hasValue("object-name")) {
-            dialog->updateValue(arg->getStringValue("object-name"));
-        } else {
-            dialog->updateValues();
-        }
+        dialog->updateValues(arg->getStringValue("object-name"));
         return true;
     } else {
         return false;
@@ -976,16 +1163,14 @@ static bool
 do_dialog_apply (const SGPropertyNode * arg)
 {
     NewGUI * gui = (NewGUI *)globals->get_subsystem("gui");
-    FGDialog * dialog = gui->getActiveDialog();
+    FGDialog * dialog;
+    if (arg->hasValue("dialog-name"))
+        dialog = gui->getDialog(arg->getStringValue("dialog-name"));
+    else
+        dialog = gui->getActiveDialog();
+
     if (dialog != 0) {
-        if (arg->hasValue("object-name")) {
-            const char * name = arg->getStringValue("object-name");
-            dialog->applyValue(name);
-            dialog->updateValue(name);
-        } else {
-            dialog->applyValues();
-            dialog->updateValues();
-        }
+        dialog->applyValues(arg->getStringValue("object-name"));
         return true;
     } else {
         return false;
@@ -993,6 +1178,105 @@ do_dialog_apply (const SGPropertyNode * arg)
 }
 
 
+/**
+ * Redraw GUI (applying new widget colors). Doesn't reload the dialogs,
+ * unlike reinit().
+ */
+static bool
+do_gui_redraw (const SGPropertyNode * arg)
+{
+    NewGUI * gui = (NewGUI *)globals->get_subsystem("gui");
+    gui->redraw();
+    return true;
+}
+
+
+/**
+ * Adds model to the scenery. The path to the added branch (/models/model[*])
+ * is returned in property "property".
+ */
+static bool
+do_add_model (const SGPropertyNode * arg)
+{
+    SGPropertyNode * model = fgGetNode("models", true);
+    for (int i = 0;; i++) {
+        if (i < 0)
+            return false;
+        if (!model->getChild("model", i, false)) {
+            model = model->getChild("model", i, true);
+            break;
+        }
+    }
+    copyProperties(arg, model);
+    if (model->hasValue("elevation-m"))
+        model->setDoubleValue("elevation-ft", model->getDoubleValue("elevation-m")
+                * SG_METER_TO_FEET);
+    model->getNode("load", true);
+    model->removeChildren("load");
+    const_cast<SGPropertyNode *>(arg)->setStringValue("property", model->getPath());
+    return true;
+}
+
+
+/**
+ * Set mouse cursor coordinates and cursor shape.
+ */
+static bool
+do_set_cursor (const SGPropertyNode * arg)
+{
+    if (arg->hasValue("x") || arg->hasValue("y")) {
+        SGPropertyNode *mx = fgGetNode("/devices/status/mice/mouse/x", true);
+        SGPropertyNode *my = fgGetNode("/devices/status/mice/mouse/y", true);
+        int x = arg->getIntValue("x", mx->getIntValue());
+        int y = arg->getIntValue("y", my->getIntValue());
+        fgWarpMouse(x, y);
+        mx->setIntValue(x);
+        my->setIntValue(y);
+    }
+
+    SGPropertyNode *cursor = const_cast<SGPropertyNode *>(arg)->getNode("cursor", true);
+    if (cursor->getType() != simgear::props::NONE)
+        fgSetMouseCursor(cursor->getIntValue());
+
+    cursor->setIntValue(fgGetMouseCursor());
+    return true;
+}
+
+
+/**
+ * Built-in command: play an audio message (i.e. a wav file) This is
+ * fire and forget.  Call this once per message and it will get dumped
+ * into a queue.  Messages are played sequentially so they do not
+ * overlap.
+ */
+static bool
+do_play_audio_sample (const SGPropertyNode * arg)
+{
+    string path = arg->getStringValue("path");
+    string file = arg->getStringValue("file");
+    float volume = arg->getFloatValue("volume");
+    // cout << "playing " << path << " / " << file << endl;
+    try {
+        static FGSampleQueue *queue = 0;
+        if ( !queue ) {
+           SGSoundMgr *smgr = globals->get_soundmgr();
+           queue = new FGSampleQueue(smgr, "chatter");
+           queue->tie_to_listener();
+        }
+
+        SGSoundSample *msg = new SGSoundSample(path.c_str(), file.c_str());
+        msg->set_volume( volume );
+        queue->add( msg );
+
+        return true;
+
+    } catch (const sg_io_exception&) {
+        SG_LOG(SG_GENERAL, SG_ALERT, "play-audio-sample: "
+                "failed to load" << path << '/' << file);
+        return false;
+    }
+}
+
 /**
  * Built-in command: commit presets (read from in /sim/presets/)
  */
@@ -1003,11 +1287,10 @@ do_presets_commit (const SGPropertyNode * arg)
     // don't get lost when we subsequently delete this fdm
     // and create a new one.
     cur_fdm_state->unbind();
-        
+
     // set position from presets
     fgInitPosition();
 
-    // BusyCursor(0);
     fgReInitSubsystems();
 
     globals->get_tile_mgr()->update( fgGetDouble("/environment/visibility-m") );
@@ -1040,7 +1323,7 @@ static bool
 do_replay (const SGPropertyNode * arg)
 {
     // freeze the master fdm
-    fgSetBool( "/sim/freeze/replay", true );
+    fgSetInt( "/sim/freeze/replay-state", 1 );
 
     FGReplay *r = (FGReplay *)(globals->get_subsystem( "replay" ));
 
@@ -1053,14 +1336,13 @@ do_replay (const SGPropertyNode * arg)
         fgSetDouble( "/sim/replay/time", r->get_start_time() );
     }
 
-    cout << "start = " << r->get_start_time()
-         << "  end = " << r->get_end_time() << endl;
+    // cout << "start = " << r->get_start_time()
+    //      << "  end = " << r->get_end_time() << endl;
 
     return true;
 }
 
 
-
 static bool
 do_decrease_visibility (const SGPropertyNode * arg)
 {
@@ -1083,6 +1365,156 @@ do_increase_visibility (const SGPropertyNode * arg)
     return true;
 }
 
+static bool
+do_hud_init(const SGPropertyNode *)
+{
+    fgHUDInit(0); // minimal HUD
+    return true;
+}
+
+static bool
+do_hud_init2(const SGPropertyNode *)
+{
+    fgHUDInit2(0);  // normal HUD
+    return true;
+}
+
+
+/**
+ * An fgcommand to allow loading of xml files via nasal,
+ * the xml file's structure will be made available within
+ * a property tree node defined under argument "targetnode",
+ * or in the given argument tree under "data" otherwise.
+ *
+ * @param filename a string to hold the complete path & filename of an XML file
+ * @param targetnode a string pointing to a location within the property tree
+ * where to store the parsed XML file. If <targetnode> is undefined, then the
+ * file contents are stored under a node <data> in the argument tree.
+ */
+
+static bool
+do_load_xml_to_proptree(const SGPropertyNode * arg)
+{
+    SGPath file(arg->getStringValue("filename"));
+    if (file.str().empty())
+        return false;
+
+    if (file.extension() != "xml")
+        file.concat(".xml");
+
+    if (!fgValidatePath(file.c_str(), false)) {
+        SG_LOG(SG_IO, SG_ALERT, "loadxml: reading '" << file.str() << "' denied "
+                "(unauthorized access)");
+        return false;
+    }
+
+    SGPropertyNode *targetnode;
+    if (arg->hasValue("targetnode"))
+        targetnode = fgGetNode(arg->getStringValue("targetnode"), true);
+    else
+        targetnode = const_cast<SGPropertyNode *>(arg)->getNode("data", true);
+
+    try {
+        readProperties(file.c_str(), targetnode, true);
+    } catch (const sg_exception &e) {
+        SG_LOG(SG_IO, SG_WARN, "loadxml: " << e.getFormattedMessage());
+        return false;
+    }
+
+    return true;
+}
+
+
+/**
+ * An fgcommand to allow saving of xml files via nasal,
+ * the file's structure will be determined based on what's
+ * encountered in the passed (source) property tree node
+ *
+ * @param filename a string to hold the complete path & filename of the (new)
+ * XML file
+ * @param sourcenode a string pointing to a location within the property tree
+ * where to find the nodes that should be written recursively into an XML file
+ * @param data if no sourcenode is given, then the file contents are taken from
+ * the argument tree's "data" node.
+ */
+
+static bool
+do_save_xml_from_proptree(const SGPropertyNode * arg)
+{
+    SGPath file(arg->getStringValue("filename"));
+    if (file.str().empty())
+        return false;
+
+    if (file.extension() != "xml")
+        file.concat(".xml");
+
+    if (!fgValidatePath(file.c_str(), true)) {
+        SG_LOG(SG_IO, SG_ALERT, "savexml: writing to '" << file.str() << "' denied "
+                "(unauthorized access)");
+        return false;
+    }
+
+    SGPropertyNode *sourcenode;
+    if (arg->hasValue("sourcenode"))
+        sourcenode = fgGetNode(arg->getStringValue("sourcenode"), true);
+    else if (arg->getNode("data", false))
+        sourcenode = const_cast<SGPropertyNode *>(arg)->getNode("data");
+    else
+        return false;
+
+    try {
+        writeProperties (file.c_str(), sourcenode, true);
+    } catch (const sg_exception &e) {
+        SG_LOG(SG_IO, SG_WARN, "savexml: " << e.getFormattedMessage());
+        return false;
+    }
+
+    return true;
+}
+
+static bool
+do_press_cockpit_button (const SGPropertyNode *arg)
+{
+  const char *prefix = arg->getStringValue("prefix");
+
+  if (arg->getBoolValue("guarded") && fgGetDouble((string(prefix) + "-guard").c_str()) < 1)
+    return true;
+
+  string prop = string(prefix) + "-button";
+  double value;
+
+  if (arg->getBoolValue("latching"))
+    value = fgGetDouble(prop.c_str()) > 0 ? 0 : 1;
+  else
+    value = 1;
+
+  fgSetDouble(prop.c_str(), value);
+  fgSetBool(arg->getStringValue("discrete"), value > 0);
+
+  return true;
+}
+
+static bool
+do_release_cockpit_button (const SGPropertyNode *arg)
+{
+  const char *prefix = arg->getStringValue("prefix");
+
+  if (arg->getBoolValue("guarded")) {
+    string prop = string(prefix) + "-guard";
+    if (fgGetDouble(prop.c_str()) < 1) {
+      fgSetDouble(prop.c_str(), 1);
+      return true;
+    }
+  }
+
+  if (! arg->getBoolValue("latching")) {
+    fgSetDouble((string(prefix) + "-button").c_str(), 0);
+    fgSetBool(arg->getStringValue("discrete"), false);
+  }
+
+  return true;
+}
+
 
 ////////////////////////////////////////////////////////////////////////
 // Command setup.
@@ -1100,11 +1532,9 @@ static struct {
   SGCommandMgr::command_t command;
 } built_ins [] = {
     { "null", do_null },
-#if defined(HAVE_PLIB_PSL)
-    { "script", do_script },
-#endif // HAVE_PLIB_PSL
     { "nasal", do_nasal },
     { "exit", do_exit },
+    { "reset", do_reset },
     { "reinit", do_reinit },
     { "suspend", do_reinit },
     { "resume", do_reinit },
@@ -1115,9 +1545,12 @@ static struct {
     { "preferences-load", do_preferences_load },
     { "view-cycle", do_view_cycle },
     { "screen-capture", do_screen_capture },
+    { "hires-screen-capture", do_hires_screen_capture },
     { "tile-cache-reload", do_tile_cache_reload },
     { "set-sea-level-air-temp-degc", do_set_sea_level_degc },
     { "set-outside-air-temp-degc", do_set_oat_degc },
+    { "set-dewpoint-sea-level-air-temp-degc", do_set_dewpoint_sea_level_degc },
+    { "set-dewpoint-temp-degc", do_set_dewpoint_degc },
     { "timeofday", do_timeofday },
     { "property-toggle", do_property_toggle },
     { "property-assign", do_property_assign },
@@ -1131,14 +1564,26 @@ static struct {
     { "dialog-new", do_dialog_new },
     { "dialog-show", do_dialog_show },
     { "dialog-close", do_dialog_close },
-    { "dialog-show", do_dialog_show },
     { "dialog-update", do_dialog_update },
     { "dialog-apply", do_dialog_apply },
+    { "gui-redraw", do_gui_redraw },
+    { "add-model", do_add_model },
+    { "set-cursor", do_set_cursor },
+    { "play-audio-sample", do_play_audio_sample },
     { "presets-commit", do_presets_commit },
     { "log-level", do_log_level },
     { "replay", do_replay },
     { "decrease-visibility", do_decrease_visibility },
     { "increase-visibility", do_increase_visibility },
+    { "hud-init", do_hud_init },
+    { "hud-init2", do_hud_init2 },
+    { "loadxml", do_load_xml_to_proptree},
+    { "savexml", do_save_xml_from_proptree },
+    { "press-cockpit-button", do_press_cockpit_button },
+    { "release-cockpit-button", do_release_cockpit_button },
+    { "dump-scenegraph", do_dump_scene_graph },
+    { "dump-terrainbranch", do_dump_terrain_branch },
+    { "reload-shaders", do_reload_shaders },
     { 0, 0 }			// zero-terminated
 };