#include "globals.hxx"
+\f
+////////////////////////////////////////////////////////////////////////
+// Saved command states.
+////////////////////////////////////////////////////////////////////////
+
+
+/**
+ * Base saved state for property commands.
+ *
+ * Since this class isn't publicly visible, it is simply an aggregate
+ * of all the stuff any property command needs.
+ */
+class PropertyCommandState : public SGCommandState
+{
+public:
+ PropertyCommandState (const SGPropertyNode * arg);
+ virtual SGPropertyNode * getProp () const { return _prop; }
+ virtual SGPropertyNode * getProp2 () const { return _prop2; }
+ virtual const SGPropertyNode * getValue () const
+ { return _value ? _value : &_dummy_0; }
+ virtual const SGPropertyNode * getStep () const
+ { return _step ? _step : &_dummy_0; }
+ virtual const SGPropertyNode * getFactor () const
+ { return _factor ? _factor : &_dummy_1; }
+ virtual const SGPropertyNode * getSetting () const
+ { return _setting ? _setting : &_dummy_0; }
+ virtual const SGPropertyNode * getOffset () const
+ { return _offset ? _offset : &_dummy_0; }
+private:
+ static SGPropertyNode _dummy_0;
+ static SGPropertyNode _dummy_1;
+ mutable SGPropertyNode * _prop;
+ mutable SGPropertyNode * _prop2;
+ const SGPropertyNode * _value;
+ const SGPropertyNode * _step;
+ const SGPropertyNode * _factor;
+ const SGPropertyNode * _setting;
+ const SGPropertyNode * _offset;
+};
+
+SGPropertyNode PropertyCommandState::_dummy_0;
+SGPropertyNode PropertyCommandState::_dummy_1;
+
+PropertyCommandState::PropertyCommandState (const SGPropertyNode * arg)
+ : SGCommandState(arg),
+ _prop(fgGetNode(arg->getStringValue("property[0]", "/null"), true)),
+ _prop2(fgGetNode(arg->getStringValue("property[1]", "/null"), true)),
+ _value(arg->getNode("value")),
+ _step(arg->getNode("step")),
+ _factor(arg->getNode("factor")),
+ _setting(arg->getNode("setting")),
+ _offset(arg->getNode("offset"))
+{
+ // It would be better not to do this
+ // every time, but it's not that big
+ // a deal. I don't know enough about
+ // C++ static initialization to fix it.
+ _dummy_1.setDoubleValue(1.0);
+}
+
+
+
+\f
+////////////////////////////////////////////////////////////////////////
+// Command implementations.
+////////////////////////////////////////////////////////////////////////
+
+
/**
* Built-in command: do nothing.
*/
static bool
-do_null (const SGPropertyNode * arg)
+do_null (const SGPropertyNode * arg, SGCommandState ** state)
{
return true;
}
* TODO: show a confirm dialog.
*/
static bool
-do_exit (const SGPropertyNode * arg)
+do_exit (const SGPropertyNode * arg, SGCommandState ** state)
{
SG_LOG(SG_INPUT, SG_ALERT, "Program exit requested.");
ConfirmExitDialog();
* directory). Defaults to "fgfs.sav".
*/
static bool
-do_load (const SGPropertyNode * arg)
+do_load (const SGPropertyNode * arg, SGCommandState ** state)
{
const string &file = arg->getStringValue("file", "fgfs.sav");
ifstream input(file.c_str());
* current directory). Defaults to "fgfs.sav".
*/
static bool
-do_save (const SGPropertyNode * arg)
+do_save (const SGPropertyNode * arg, SGCommandState ** state)
{
const string &file = arg->getStringValue("file", "fgfs.sav");
SG_LOG(SG_INPUT, SG_INFO, "Saving flight");
* and if that's unspecified, to "Panels/Default/default.xml".
*/
static bool
-do_panel_load (const SGPropertyNode * arg)
+do_panel_load (const SGPropertyNode * arg, SGCommandState ** state)
{
string panel_path =
arg->getStringValue("path",
* to FG_ROOT). Defaults to "preferences.xml".
*/
static bool
-do_preferences_load (const SGPropertyNode * arg)
+do_preferences_load (const SGPropertyNode * arg, SGCommandState ** state)
{
const string &path = arg->getStringValue("path", "preferences.xml");
SGPath props_path(globals->get_fg_root());
* Built-in command: cycle view.
*/
static bool
-do_view_cycle (const SGPropertyNode * arg)
+do_view_cycle (const SGPropertyNode * arg, SGCommandState ** state)
{
globals->get_current_view()->set_view_offset(0.0);
globals->set_current_view(globals->get_viewmgr()->next_view());
* Built-in command: capture screen.
*/
static bool
-do_screen_capture (const SGPropertyNode * arg)
+do_screen_capture (const SGPropertyNode * arg, SGCommandState ** state)
{
fgDumpSnapShot();
return true;
* Reload the tile cache.
*/
static bool
-do_tile_cache_reload (const SGPropertyNode * arg)
+do_tile_cache_reload (const SGPropertyNode * arg, SGCommandState ** state)
{
bool freeze = globals->get_freeze();
SG_LOG(SG_INPUT, SG_INFO, "ReIniting TileCache");
BusyCursor(0);
if ( global_tile_mgr.init() ) {
// Load the local scenery data
- global_tile_mgr.update(fgGetDouble("/position/longitude"),
- fgGetDouble("/position/latitude"));
+ global_tile_mgr.update(fgGetDouble("/position/longitude-deg"),
+ fgGetDouble("/position/latitude-deg"));
} else {
SG_LOG( SG_GENERAL, SG_ALERT,
"Error in Tile Manager initialization!" );
* Update the lighting manually.
*/
static bool
-do_lighting_update (const SGPropertyNode * arg)
+do_lighting_update (const SGPropertyNode * arg, SGCommandState ** state)
{
fgUpdateSkyAndLightingParams();
return true;
* property: The name of the property to toggle.
*/
static bool
-do_property_toggle (const SGPropertyNode * arg)
+do_property_toggle (const SGPropertyNode * arg, SGCommandState ** state)
{
- const string & propname = arg->getStringValue("property", "");
- if (propname == "")
- return false;
-
- SGPropertyNode * node = fgGetNode(propname);
- return node->setBoolValue(!node->getBoolValue());
+ if (*state == 0)
+ *state = new PropertyCommandState(arg);
+ SGPropertyNode * prop = ((PropertyCommandState *)(*state))->getProp();
+ return prop->setBoolValue(!prop->getBoolValue());
}
* value: the value to assign.
*/
static bool
-do_property_assign (const SGPropertyNode * arg)
+do_property_assign (const SGPropertyNode * arg, SGCommandState ** state)
{
- const string & propname = arg->getStringValue("property", "");
- if (propname == "")
- return false;
-
- SGPropertyNode * node = fgGetNode(propname, true);
+ if (*state == 0)
+ *state = new PropertyCommandState(arg);
+ SGPropertyNode * prop = ((PropertyCommandState *)(*state))->getProp();
+ const SGPropertyNode * value =
+ ((PropertyCommandState *)(*state))->getValue();
- switch (node->getType()) {
+ switch (prop->getType()) {
case SGPropertyNode::BOOL:
- return node->setBoolValue(arg->getBoolValue("value"));
+ return prop->setBoolValue(value->getBoolValue());
case SGPropertyNode::INT:
- return node->setIntValue(arg->getIntValue("value"));
+ return prop->setIntValue(value->getIntValue());
case SGPropertyNode::LONG:
- return node->setLongValue(arg->getLongValue("value"));
+ return prop->setLongValue(value->getLongValue());
case SGPropertyNode::FLOAT:
- return node->setFloatValue(arg->getFloatValue("value"));
+ return prop->setFloatValue(value->getFloatValue());
case SGPropertyNode::DOUBLE:
- return node->setDoubleValue(arg->getDoubleValue("value"));
+ return prop->setDoubleValue(value->getDoubleValue());
case SGPropertyNode::STRING:
- return node->setStringValue(arg->getStringValue("value"));
+ return prop->setStringValue(value->getStringValue());
default:
- return node->setUnknownValue(arg->getStringValue("value"));
+ return prop->setUnspecifiedValue(value->getStringValue());
}
}
* step: the amount of the increment or decrement.
*/
static bool
-do_property_adjust (const SGPropertyNode * arg)
+do_property_adjust (const SGPropertyNode * arg, SGCommandState ** state)
{
- const string & propname = arg->getStringValue("property", "");
- if (propname == "")
- return false;
+ if (*state == 0)
+ *state = new PropertyCommandState(arg);
+ SGPropertyNode * prop = ((PropertyCommandState *)(*state))->getProp();
+ const SGPropertyNode * step = ((PropertyCommandState *)(*state))->getStep();
- SGPropertyNode * node = fgGetNode(propname, true);
-
- switch (node->getType()) {
+ switch (prop->getType()) {
case SGPropertyNode::BOOL:
- if (arg->getBoolValue("step"))
- return node->setBoolValue(!node->getBoolValue());
+ if (step->getBoolValue())
+ return prop->setBoolValue(!prop->getBoolValue());
else
return true;
case SGPropertyNode::INT:
- return node->setIntValue(node->getIntValue()
- + arg->getIntValue("step"));
+ return prop->setIntValue(prop->getIntValue()
+ + step->getIntValue());
case SGPropertyNode::LONG:
- return node->setLongValue(node->getLongValue()
- + arg->getLongValue("step"));
+ return prop->setLongValue(prop->getLongValue()
+ + step->getLongValue());
case SGPropertyNode::FLOAT:
- return node->setFloatValue(node->getFloatValue()
- + arg->getFloatValue("step"));
+ return prop->setFloatValue(prop->getFloatValue()
+ + step->getFloatValue());
case SGPropertyNode::DOUBLE:
- case SGPropertyNode::UNKNOWN:
- return node->setDoubleValue(node->getDoubleValue()
- + arg->getDoubleValue("step"));
+ case SGPropertyNode::UNSPECIFIED:
+ return prop->setDoubleValue(prop->getDoubleValue()
+ + step->getDoubleValue());
default: // doesn't make sense with strings
return false;
}
* factor: the amount by which to multiply.
*/
static bool
-do_property_multiply (const SGPropertyNode * arg)
+do_property_multiply (const SGPropertyNode * arg, SGCommandState ** state)
{
- const string & propname = arg->getStringValue("property", "");
- if (propname == "")
- return false;
+ if (*state == 0)
+ *state = new PropertyCommandState(arg);
+ SGPropertyNode * prop = ((PropertyCommandState *)(*state))->getProp();
+ const SGPropertyNode * factor =
+ ((PropertyCommandState *)(*state))->getFactor();
- SGPropertyNode * node = fgGetNode(propname, true);
-
- switch (node->getType()) {
+ switch (prop->getType()) {
case SGPropertyNode::BOOL:
- return node->setBoolValue(node->getBoolValue() &&
- arg->getBoolValue("factor"));
+ return prop->setBoolValue(prop->getBoolValue() &&
+ factor->getBoolValue());
case SGPropertyNode::INT:
- return node->setIntValue(int(node->getIntValue()
- * arg->getDoubleValue("factor")));
+ return prop->setIntValue(int(prop->getIntValue()
+ * factor->getDoubleValue()));
case SGPropertyNode::LONG:
- return node->setLongValue(long(node->getLongValue()
- * arg->getDoubleValue("factor")));
+ return prop->setLongValue(long(prop->getLongValue()
+ * factor->getDoubleValue()));
case SGPropertyNode::FLOAT:
- return node->setFloatValue(float(node->getFloatValue()
- * arg->getDoubleValue("factor")));
+ return prop->setFloatValue(float(prop->getFloatValue()
+ * factor->getDoubleValue()));
case SGPropertyNode::DOUBLE:
- case SGPropertyNode::UNKNOWN:
- return node->setDoubleValue(node->getDoubleValue()
- * arg->getDoubleValue("factor"));
+ case SGPropertyNode::UNSPECIFIED:
+ return prop->setDoubleValue(prop->getDoubleValue()
+ * factor->getDoubleValue());
default: // doesn't make sense with strings
return false;
}
* property[1]: the name of the second property.
*/
static bool
-do_property_swap (const SGPropertyNode * arg)
+do_property_swap (const SGPropertyNode * arg, SGCommandState ** state)
{
- const string &propname1 = arg->getStringValue("property[0]", "");
- const string &propname2 = arg->getStringValue("property[1]", "");
- if (propname1 == "" || propname2 == "")
- return false;
-
- SGPropertyNode * node1 = fgGetNode(propname1, true);
- SGPropertyNode * node2 = fgGetNode(propname2, true);
- const string & tmp = node1->getStringValue();
- return (node1->setUnknownValue(node2->getStringValue()) &&
- node2->setUnknownValue(tmp));
+ if (*state == 0)
+ *state = new PropertyCommandState(arg);
+ SGPropertyNode * prop1 = ((PropertyCommandState *)(*state))->getProp();
+ SGPropertyNode * prop2 = ((PropertyCommandState *)(*state))->getProp2();
+
+ // FIXME: inefficient
+ const string & tmp = prop1->getStringValue();
+ return (prop1->setUnspecifiedValue(prop2->getStringValue()) &&
+ prop2->setUnspecifiedValue(tmp));
}
* factor: the factor to multiply by (use negative to reverse).
*/
static bool
-do_property_scale (const SGPropertyNode * arg)
+do_property_scale (const SGPropertyNode * arg, SGCommandState ** state)
{
- const string &propname = arg->getStringValue("property");
- double setting = arg->getDoubleValue("setting", 0.0);
- double offset = arg->getDoubleValue("offset", 0.0);
- double factor = arg->getDoubleValue("factor", 1.0);
- return fgSetDouble(propname, (setting + offset) * factor);
+ if (*state == 0)
+ *state = new PropertyCommandState(arg);
+ SGPropertyNode * prop = ((PropertyCommandState *)(*state))->getProp();
+ double setting =
+ ((PropertyCommandState *)(*state))->getSetting()->getDoubleValue();
+ double offset =
+ ((PropertyCommandState *)(*state))->getOffset()->getDoubleValue();
+ double factor =
+ ((PropertyCommandState *)(*state))->getFactor()->getDoubleValue();
+
+ return prop->setDoubleValue((setting + offset) * factor);
}
\f
+////////////////////////////////////////////////////////////////////////
+// Command setup.
+////////////////////////////////////////////////////////////////////////
+
+
/**
* Table of built-in commands.
*