Initial revision of interface to new SimGear command manager.

src/Main/fg_commands.cxx

@@ -0,0 +1,204 @@
+// fg_commands.cxx - internal FGFS commands.
+
+#include "fg_commands.hxx"
+
+#include <simgear/debug/logstream.hxx>
+#include <simgear/misc/commands.hxx>
+#include <simgear/misc/props.hxx>
+
+#include <GUI/gui.h>
+
+#include "fg_props.hxx"
+#include "fg_io.hxx"
+#include "globals.hxx"
+
+
+/**
+ * Built-in command: exit FlightGear.
+ *
+ * TODO: show a confirm dialog.
+ */
+static bool
+do_exit (const SGPropertyNode * arg)
+{
+  fgIOShutdownAll();
+  exit(0);
+  return true;
+}
+
+
+/**
+ * Built-in command: cycle view.
+ */
+static bool
+do_view_cycle (const SGPropertyNode * arg)
+{
+  globals->get_current_view()->set_view_offset(0.0);
+  globals->set_current_view(globals->get_viewmgr()->next_view());
+//   fgReshape(fgGetInt("/sim/startup/xsize"), fgGetInt("/sim/startup/ysize"));
+  return true;
+}
+
+
+/**
+ * Built-in command: capture screen.
+ */
+static bool
+do_screen_capture (const SGPropertyNode * arg)
+{
+  fgDumpSnapShot();
+  return true;
+}
+
+
+/**
+ * Built-in command: toggle a bool property value.
+ *
+ * property: The name of the property to toggle.
+ */
+static bool
+do_property_toggle (const SGPropertyNode * arg)
+{
+  string propname = arg->getStringValue("property", "");
+  if (propname == "")
+    return false;
+
+  SGPropertyNode * node = fgGetNode(propname);
+  return node->setBoolValue(!node->getBoolValue());
+}
+
+
+/**
+ * Built-in command: assign a value to a property.
+ *
+ * property: the name of the property to assign.
+ * value: the value to assign.
+ */
+static bool
+do_property_assign (const SGPropertyNode * arg)
+{
+  string propname = arg->getStringValue("property", "");
+  if (propname == "")
+    return false;
+
+  SGPropertyNode * node = fgGetNode(propname, true);
+
+  switch (node->getType()) {
+  case SGValue::BOOL:
+    return node->setBoolValue(arg->getBoolValue("value"));
+  case SGValue::INT:
+    return node->setIntValue(arg->getIntValue("value"));
+  case SGValue::LONG:
+    return node->setLongValue(arg->getLongValue("value"));
+  case SGValue::FLOAT:
+    return node->setFloatValue(arg->getFloatValue("value"));
+  case SGValue::DOUBLE:
+    return node->setDoubleValue(arg->getDoubleValue("value"));
+  case SGValue::STRING:
+    return node->setStringValue(arg->getStringValue("value"));
+  default:
+    return node->setUnknownValue(arg->getStringValue("value"));
+  }
+}
+
+
+/**
+ * Built-in command: increment or decrement a property value.
+ *
+ * property: the name of the property to increment or decrement.
+ * step: the amount of the increment or decrement.
+ */
+static bool
+do_property_adjust (const SGPropertyNode * arg)
+{
+  string propname = arg->getStringValue("property", "");
+  if (propname == "")
+    return false;
+
+  SGPropertyNode * node = fgGetNode(propname, true);
+
+  switch (node->getType()) {
+  case SGValue::BOOL:
+    if (arg->getBoolValue("step"))
+      return node->setBoolValue(!node->getBoolValue());
+    else
+      return true;
+  case SGValue::INT:
+    return node->setIntValue(node->getIntValue()
+			     + arg->getIntValue("step"));
+  case SGValue::LONG:
+    return node->setLongValue(node->getLongValue()
+			      + arg->getLongValue("step"));
+  case SGValue::FLOAT:
+    return node->setFloatValue(node->getFloatValue()
+			       + arg->getFloatValue("step"));
+  case SGValue::DOUBLE:
+    return node->setDoubleValue(node->getDoubleValue()
+				+ arg->getDoubleValue("step"));
+  default:			// doesn't make sense with strings
+    return false;
+  }
+}
+
+
+/**
+ * Built-in command: swap two property values.
+ *
+ * property[0]: the name of the first property.
+ * property[1]: the name of the second property.
+ */
+static bool
+do_property_swap (const SGPropertyNode * arg)
+{
+  string propname1 = arg->getStringValue("property[0]", "");
+  string propname2 = arg->getStringValue("property[1]", "");
+  if (propname1 == "" || propname2 == "")
+    return false;
+
+  SGPropertyNode * node1 = fgGetNode(propname1, true);
+  SGPropertyNode * node2 = fgGetNode(propname2, true);
+  string tmp = node1->getStringValue();
+  return (node1->setUnknownValue(node2->getStringValue()) &&
+	  node2->setUnknownValue(tmp));
+}
+
+
+
+/**
+ * Table of built-in commands.
+ *
+ * New commands do not have to be added here; any module in the application
+ * can add a new command using globals->get_commands()->addCommand(...).
+ */
+static struct {
+  const char * name;
+  SGCommandMgr::command_t command;
+} built_ins [] = {
+  "exit", do_exit,
+  "view-cycle", do_view_cycle,
+  "screen-capture", do_screen_capture,
+  "property-toggle", do_property_toggle,
+  "property-assign", do_property_assign,
+  "property-adjust", do_property_adjust,
+  "property-swap", do_property_swap,
+  0, 0				// zero-terminated
+};
+
+
+/**
+ * Initialize the default built-in commands.
+ *
+ * Other commands may be added by other parts of the application.
+ */
+void
+fgInitCommands ()
+{
+  SG_LOG(SG_GENERAL, SG_INFO, "Initializing basic built-in commands:");
+  for (int i = 0; built_ins[i].name != 0; i++) {
+    SG_LOG(SG_GENERAL, SG_INFO, "  " << built_ins[i].name);
+    globals->get_commands()->addCommand(built_ins[i].name,
+					built_ins[i].command);
+  }
+}
+
+// end of fg_commands.hxx

src/Main/fg_commands.hxx

@@ -0,0 +1,29 @@
+// fg_commands.hxx - built-in commands for FlightGear.
+
+#ifndef __FG_COMMANDS_HXX
+#define __FG_COMMANDS_HXX
+
+#ifndef __cplusplus                                                          
+# error This library requires C++
+#endif                                   
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#ifdef HAVE_WINDOWS_H
+#  include <windows.h>                     
+#endif
+
+#include <simgear/misc/commands.hxx>
+#include <simgear/misc/props.hxx>
+
+/**
+ * Initialize the built-in commands.
+ */
+void fgInitCommands ();
+
+#endif
+
+// end of fg_commands.hxx