// fg_commands.cxx - internal FGFS commands.
#include <simgear/compiler.h>
+#include <simgear/misc/exception.hxx>
#include STL_STRING
#include STL_FSTREAM
#include "fg_props.hxx"
#include "fg_io.hxx"
#include "globals.hxx"
+#include "viewmgr.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 * getMin () const { return _min; }
+ virtual const SGPropertyNode * getMax () const { return _max; }
+ virtual const SGPropertyNode * getWrap () const
+ { return _wrap ? _wrap : &_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 * _min;
+ const SGPropertyNode * _max;
+ const SGPropertyNode * _wrap;
+ 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")),
+ _min(arg->getNode("min")),
+ _max(arg->getNode("max")),
+ _wrap(arg->getNode("wrap")),
+ _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.
+////////////////////////////////////////////////////////////////////////
/**
props_path.append(path);
SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences from "
<< props_path.str());
- if (!readProperties(props_path.str(), globals->get_props())) {
- SG_LOG(SG_INPUT, SG_ALERT, "Failed to reread global preferences");
+ try {
+ readProperties(props_path.str(), globals->get_props());
+ } catch (const sg_exception &e) {
+ guiErrorMessage("Error reading global preferences: ", e);
return false;
- } else {
- SG_LOG(SG_INPUT, SG_INFO, "Successfully read global preferences.");
- return true;
}
+ SG_LOG(SG_INPUT, SG_INFO, "Successfully read global preferences.");
+ return true;
}
{
globals->get_current_view()->set_view_offset(0.0);
globals->set_current_view(globals->get_viewmgr()->next_view());
+ if ( fgGetString("/sim/flight-model") == "ada" ) {
+ globals->get_props()->setBoolValue( "/sim/hud/visibility", true );
+ if ( globals->get_viewmgr()->get_current() == 1 ) {
+ globals->get_props()->setBoolValue( "/sim/hud/visibility", false );
+ }
+ }
// fgReshape(fgGetInt("/sim/startup/xsize"), fgGetInt("/sim/startup/ysize"));
return true;
}
SG_LOG(SG_INPUT, SG_INFO, "ReIniting TileCache");
if ( !freeze )
globals->set_freeze( true );
- BusyCursor(0);
+ // BusyCursor(0);
if ( global_tile_mgr.init() ) {
// Load the local scenery data
global_tile_mgr.update(fgGetDouble("/position/longitude-deg"),
"Error in Tile Manager initialization!" );
exit(-1);
}
- BusyCursor(1);
+ // BusyCursor(1);
if ( !freeze )
globals->set_freeze( false );
return true;
static bool
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());
}
static bool
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->setUnspecifiedValue(arg->getStringValue("value"));
+ return prop->setUnspecifiedValue(value->getStringValue());
}
}
* 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.
+ * step: the amount of the increment or decrement (default: 0).
+ * min: the minimum allowed value (default: no minimum).
+ * max: the maximum allowed value (default: no maximum).
+ * wrap: true if the value should be wrapped when it passes min or max;
+ * both min and max must be present for this to work (default:
+ * false).
*/
static bool
do_property_adjust (const SGPropertyNode * arg, SGCommandState ** state)
{
- const string & propname = arg->getStringValue("property", "");
- if (propname == "")
- return false;
-
- SGPropertyNode * node = fgGetNode(propname, true);
-
- switch (node->getType()) {
+ if (*state == 0)
+ *state = new PropertyCommandState(arg);
+ SGPropertyNode * prop = ((PropertyCommandState *)(*state))->getProp();
+ const SGPropertyNode * step = ((PropertyCommandState *)(*state))->getStep();
+ const SGPropertyNode * min = ((PropertyCommandState *)(*state))->getMin();
+ const SGPropertyNode * max = ((PropertyCommandState *)(*state))->getMax();
+ bool wrap = ((PropertyCommandState *)(*state))->getWrap()->getBoolValue();
+
+ 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"));
- case SGPropertyNode::LONG:
- return node->setLongValue(node->getLongValue()
- + arg->getLongValue("step"));
- case SGPropertyNode::FLOAT:
- return node->setFloatValue(node->getFloatValue()
- + arg->getFloatValue("step"));
+ case SGPropertyNode::INT: {
+ int value = prop->getIntValue() + step->getIntValue();
+ if (min && (value < min->getIntValue())) {
+ if (wrap && max)
+ value = max->getIntValue();
+ else
+ value = min->getIntValue();
+ }
+ if (max && value > max->getIntValue()) {
+ if (wrap && min)
+ value = min->getIntValue();
+ else
+ value = max->getIntValue();
+ }
+ return prop->setIntValue(value);
+ }
+ case SGPropertyNode::LONG: {
+ long value = prop->getLongValue() + step->getLongValue();
+ if (min && (value < min->getLongValue())) {
+ if (wrap && max)
+ value = max->getLongValue();
+ else
+ value = min->getLongValue();
+ }
+ if (max && value > max->getLongValue()) {
+ if (wrap && min)
+ value = min->getLongValue();
+ else
+ value = max->getLongValue();
+ }
+ return prop->setLongValue(value);
+ }
+ case SGPropertyNode::FLOAT: {
+ float value = prop->getFloatValue() + step->getFloatValue();
+ if (min && (value < min->getFloatValue())) {
+ if (wrap && max)
+ value = max->getFloatValue();
+ else
+ value = min->getFloatValue();
+ }
+ if (max && value > max->getFloatValue()) {
+ if (wrap && min)
+ value = min->getFloatValue();
+ else
+ value = max->getFloatValue();
+ }
+ return prop->setFloatValue(value);
+ }
case SGPropertyNode::DOUBLE:
case SGPropertyNode::UNSPECIFIED:
- return node->setDoubleValue(node->getDoubleValue()
- + arg->getDoubleValue("step"));
- default: // doesn't make sense with strings
- return false;
+ case SGPropertyNode::NONE: {
+ double value = prop->getDoubleValue() + step->getDoubleValue();
+ if (min && (value < min->getDoubleValue())) {
+ if (wrap && max)
+ value = max->getDoubleValue();
+ else
+ value = min->getDoubleValue();
+ }
+ if (max && value > max->getDoubleValue()) {
+ if (wrap && min)
+ value = min->getDoubleValue();
+ else
+ value = max->getDoubleValue();
+ }
+ return prop->setDoubleValue(value);
}
-}
-
-
-/**
-<<<<<<< fg_commands.cxx
- * Built-in command: multiply a property value.
- *
- * property: the name of the property to multiply.
- * factor: the amount by which to multiply.
- */
-static bool
-do_property_multiply (const SGPropertyNode * arg, SGCommandState ** state)
-{
- const string & propname = arg->getStringValue("property", "");
- if (propname == "")
+ case SGPropertyNode::STRING: // doesn't make sense with strings
+ SG_LOG(SG_INPUT, SG_ALERT, "Cannot adjust a string value");
return false;
-
- SGPropertyNode * node = fgGetNode(propname, true);
-
- switch (node->getType()) {
- case SGPropertyNode::BOOL:
- return node->setBoolValue(node->getBoolValue() &&
- arg->getBoolValue("factor"));
- case SGPropertyNode::INT:
- return node->setIntValue(int(node->getIntValue()
- * arg->getDoubleValue("factor")));
- case SGPropertyNode::LONG:
- return node->setLongValue(long(node->getLongValue()
- * arg->getDoubleValue("factor")));
- case SGPropertyNode::FLOAT:
- return node->setFloatValue(float(node->getFloatValue()
- * arg->getDoubleValue("factor")));
- case SGPropertyNode::DOUBLE:
- case SGPropertyNode::UNSPECIFIED:
- return node->setDoubleValue(node->getDoubleValue()
- * arg->getDoubleValue("factor"));
- default: // doesn't make sense with strings
+ default:
+ SG_LOG(SG_INPUT, SG_ALERT, "Unknown value type");
return false;
}
}
/**
-=======
* Built-in command: multiply a property value.
*
* property: the name of the property to multiply.
* 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;
-
- SGPropertyNode * node = fgGetNode(propname, true);
+ if (*state == 0)
+ *state = new PropertyCommandState(arg);
+ SGPropertyNode * prop = ((PropertyCommandState *)(*state))->getProp();
+ const SGPropertyNode * factor =
+ ((PropertyCommandState *)(*state))->getFactor();
- 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::UNSPECIFIED:
- return node->setDoubleValue(node->getDoubleValue()
- * arg->getDoubleValue("factor"));
+ case SGPropertyNode::NONE:
+ return prop->setDoubleValue(prop->getDoubleValue()
+ * factor->getDoubleValue());
default: // doesn't make sense with strings
return false;
}
static bool
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->setUnspecifiedValue(node2->getStringValue()) &&
- node2->setUnspecifiedValue(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));
}
static bool
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.
*