//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifdef HAVE_CONFIG_H
-# include <simgear/compiler.h>
+# include "config.h"
#endif
-#include <simgear/misc/exception.hxx>
+#include <simgear/compiler.h>
+#include <simgear/structure/exception.hxx>
+#include <simgear/props/props_io.hxx>
+
#include <simgear/magvar/magvar.hxx>
#include <simgear/timing/sg_time.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/sound/soundmgr_openal.hxx>
-#include STL_IOSTREAM
-
-#include <ATC/ATCdisplay.hxx>
#include <Aircraft/aircraft.hxx>
-#include <Time/tmp.hxx>
-#include <FDM/UIUCModel/uiuc_aircraftdir.h>
-#ifdef FG_WEATHERCM
-# include <WeatherCM/FGLocalWeatherDatabase.h>
-#else
-# include <Environment/environment.hxx>
-#endif // FG_WEATHERCM
-#include <Objects/matlib.hxx>
-
+#include <FDM/flight.hxx>
#include <GUI/gui.h>
-#include <Sound/soundmgr.hxx>
#include "globals.hxx"
-#include "fgfs.hxx"
#include "fg_props.hxx"
-#if !defined(SG_HAVE_NATIVE_SGI_COMPILERS)
-SG_USING_STD(istream);
-SG_USING_STD(ostream);
-#endif
-
-#ifdef FG_WEATHERCM
-static double getWindNorth ();
-static double getWindEast ();
-static double getWindDown ();
-#endif // FG_WEATHERCM
static bool winding_ccw = true; // FIXME: temporary
static bool frozen = false; // FIXME: temporary
-
+using std::string;
\f
////////////////////////////////////////////////////////////////////////
// Default property bindings (not yet handled by any module).
LogClassMapping(SG_IO, "io"),
LogClassMapping(SG_CLIPPER, "clipper"),
LogClassMapping(SG_NETWORK, "network"),
+ LogClassMapping(SG_INSTR, "instrumentation"),
+ LogClassMapping(SG_SYSTEMS, "systems"),
LogClassMapping(SG_UNDEFD, "")
};
getLoggingClasses ()
{
sgDebugClass classes = logbuf::get_log_classes();
- static string result = ""; // FIXME
+ static string result;
+ result = "";
for (int i = 0; log_class_mappings[i].c != SG_UNDEFD; i++) {
if ((classes&log_class_mappings[i].c) > 0) {
if (!result.empty())
return;
}
}
- SG_LOG(SG_GENERAL, SG_ALERT, "Unknown logging class: " << name);
+ SG_LOG(SG_GENERAL, SG_WARN, "Unknown logging class: " << name);
}
static void
setLoggingPriority (const char * p)
{
+ if (p == 0)
+ return;
string priority = p;
if (priority == "bulk") {
logbuf::set_log_priority(SG_BULK);
} else {
SG_LOG(SG_GENERAL, SG_WARN, "Unknown logging priority " << priority);
}
- SG_LOG(SG_GENERAL, SG_INFO, "Logging priority is " << getLoggingPriority());
+ SG_LOG(SG_GENERAL, SG_DEBUG, "Logging priority is " << getLoggingPriority());
}
static void
setFreeze (bool f)
{
- frozen = f;
- // Stop sound on a pause
- if (f)
- globals->get_soundmgr()->pause();
- else
- globals->get_soundmgr()->resume();
-}
-
-
-/**
- * Return the current aircraft directory (UIUC) as a string.
- */
-static const char *
-getAircraftDir ()
-{
- return aircraft_dir.c_str();
-}
-
+ frozen = f;
-/**
- * Set the current aircraft directory (UIUC).
- */
-static void
-setAircraftDir (const char * dir)
-{
- aircraft_dir = dir;
+ // Stop sound on a pause
+ SGSoundMgr *smgr = (SGSoundMgr *)globals->get_subsystem("soundmgr");
+ if ( smgr != NULL ) {
+ if ( f ) {
+ smgr->suspend();
+ } else if (!fgGetBool("/sim/sound/pause")) {
+ smgr->resume();
+ }
+ }
}
// if the save file has been edited
// by hand.
if (ret != 6) {
- SG_LOG(SG_INPUT, SG_ALERT, "Date/time string " << date_string
+ SG_LOG(SG_INPUT, SG_WARN, "Date/time string " << date_string
<< " not in YYYY-MM-DDTHH:MM:SS format; skipped");
return;
}
double lat = current_aircraft.fdm_state->get_Latitude();
globals->set_warp(warp);
st->update(lon, lat, cur_time_override->getLongValue(), warp);
- fgUpdateSkyAndLightingParams();
}
/**
static const char *
getGMTString ()
{
- static char buf[16]; // FIXME
+ static char buf[16];
struct tm *t = globals->get_time_params()->getGmt();
- sprintf(buf, " %.2d:%.2d:%.2d",
- t->tm_hour, t->tm_min, t->tm_sec);
- // cout << t << " " << buf << endl;
+ snprintf(buf, 16, "%.2d:%.2d:%.2d",
+ t->tm_hour, t->tm_min, t->tm_sec);
return buf;
}
-
-/**
- * Get the texture rendering state.
- */
-static bool
-getTextures ()
-{
- return (material_lib.get_step() == 0);
-}
-
-
-/**
- * Set the texture rendering state.
- */
-static void
-setTextures (bool textures)
-{
- if (textures)
- material_lib.set_step(0);
- else
- material_lib.set_step(1);
-}
-
-
/**
* Return the magnetic variation
*/
static double
getHeadingMag ()
{
- return current_aircraft.fdm_state->get_Psi() * SGD_RADIANS_TO_DEGREES - getMagVar();
-}
-
-
-#ifdef FG_WEATHERCM
-
-/**
- * Get the current visibility (meters).
- */
-static double
-getVisibility ()
-{
- return WeatherDatabase->getWeatherVisibility();
-}
-
-
-/**
- * Set the current visibility (meters).
- */
-static void
-setVisibility (double visibility)
-{
- WeatherDatabase->setWeatherVisibility(visibility);
+ double magheading;
+ magheading = current_aircraft.fdm_state->get_Psi() * SGD_RADIANS_TO_DEGREES - getMagVar();
+ if (magheading < 0) magheading += 360;
+ return magheading;
}
-/**
- * Get the current wind north velocity (feet/second).
- */
-static double
-getWindNorth ()
-{
- return current_aircraft.fdm_state->get_V_north_airmass();
-}
-
-
-/**
- * Set the current wind north velocity (feet/second).
- */
-static void
-setWindNorth (double speed)
-{
- current_aircraft.fdm_state
- ->set_Velocities_Local_Airmass(speed, getWindEast(), getWindDown());
-}
-
-
-/**
- * Get the current wind east velocity (feet/second).
- */
-static double
-getWindEast ()
-{
- return current_aircraft.fdm_state->get_V_east_airmass();
-}
-
-
-/**
- * Set the current wind east velocity (feet/second).
- */
-static void
-setWindEast (double speed)
-{
- cout << "Set wind-east to " << speed << endl;
- current_aircraft.fdm_state->set_Velocities_Local_Airmass(getWindNorth(),
- speed,
- getWindDown());
-}
-
-
-/**
- * Get the current wind down velocity (feet/second).
- */
-static double
-getWindDown ()
-{
- return current_aircraft.fdm_state->get_V_down_airmass();
-}
-
-
-/**
- * Set the current wind down velocity (feet/second).
- */
-static void
-setWindDown (double speed)
-{
- current_aircraft.fdm_state->set_Velocities_Local_Airmass(getWindNorth(),
- getWindEast(),
- speed);
-}
-
-#endif // FG_WEATHERCM
-
static long
getWarp ()
{
glFrontFace ( GL_CW );
}
-static bool
-getFullScreen ()
-{
-#if defined(FX) && !defined(WIN32)
- return globals->get_fullscreen();
-#else
- return false;
-#endif
-}
-
-static void
-setFullScreen (bool state)
-{
-#if defined(FX) && !defined(WIN32)
- globals->set_fullscreen(state);
-# if defined(XMESA_FX_FULLSCREEN) && defined(XMESA_FX_WINDOW)
- XMesaSetFXmode( state ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW );
-# endif
-#endif
-}
-
static bool
getFDMDataLogging ()
{
}
}
+static const char *
+getLongitudeString ()
+{
+ static SGConstPropertyNode_ptr n = fgGetNode("/position/longitude-deg", true);
+ static SGConstPropertyNode_ptr f = fgGetNode("/sim/lon-lat-format", true);
+ static char buf[32];
+ double d = n->getDoubleValue();
+ int format = f->getIntValue();
+ char c = d < 0.0 ? 'W' : 'E';
+
+ if (format == 0) {
+ snprintf(buf, 32, "%3.6f%c", d, c);
+
+ } else if (format == 1) {
+ // dd mm.mmm' (DMM-Format) -- uses a round-off factor tailored to the
+ // required precision of the minutes field (three decimal places),
+ // preventing minute values of 60.
+ double deg = fabs(d) + 5.0E-4 / 60.0;
+ double min = fabs(deg - int(deg)) * 60.0 - 4.999E-4;
+ snprintf(buf, 32, "%d*%06.3f%c", int(d < 0.0 ? -deg : deg), min, c);
+
+ } else {
+ // mm'ss.s'' (DMS-Format) -- uses a round-off factor tailored to the
+ // required precision of the seconds field (one decimal place),
+ // preventing second values of 60.
+ double deg = fabs(d) + 0.05 / 3600.0;
+ double min = (deg - int(deg)) * 60.0;
+ double sec = (min - int(min)) * 60.0 - 0.049;
+ snprintf(buf, 32, "%d*%02d %04.1f%c", int(d < 0.0 ? -deg : deg),
+ int(min), fabs(sec), c);
+ }
+ buf[31] = '\0';
+ return buf;
+}
+
+static const char *
+getLatitudeString ()
+{
+ static SGConstPropertyNode_ptr n = fgGetNode("/position/latitude-deg", true);
+ static SGConstPropertyNode_ptr f = fgGetNode("/sim/lon-lat-format", true);
+ static char buf[32];
+ double d = n->getDoubleValue();
+ int format = f->getIntValue();
+ char c = d < 0.0 ? 'S' : 'N';
+
+ if (format == 0) {
+ snprintf(buf, 32, "%3.6f%c", d, c);
+
+ } else if (format == 1) {
+ double deg = fabs(d) + 5.0E-4 / 60.0;
+ double min = fabs(deg - int(deg)) * 60.0 - 4.999E-4;
+ snprintf(buf, 32, "%d*%06.3f%c", int(d < 0.0 ? -deg : deg), min, c);
+
+ } else {
+ double deg = fabs(d) + 0.05 / 3600.0;
+ double min = (deg - int(deg)) * 60.0;
+ double sec = (min - int(min)) * 60.0 - 0.049;
+ snprintf(buf, 32, "%d*%02d %04.1f%c", int(d < 0.0 ? -deg : deg),
+ int(min), fabs(sec), c);
+ }
+ buf[31] = '\0';
+ return buf;
+}
+
+
+
\f
////////////////////////////////////////////////////////////////////////
// Tie the properties.
////////////////////////////////////////////////////////////////////////
+FGProperties::FGProperties ()
+{
+}
+
+FGProperties::~FGProperties ()
+{
+}
+
+void
+FGProperties::init ()
+{
+}
+
void
-fgInitProps ()
+FGProperties::bind ()
{
// Simulation
fgTie("/sim/logging/priority", getLoggingPriority, setLoggingPriority);
fgTie("/sim/logging/classes", getLoggingClasses, setLoggingClasses);
fgTie("/sim/freeze/master", getFreeze, setFreeze);
- fgTie("/sim/aircraft-dir", getAircraftDir, setAircraftDir);
fgTie("/sim/time/elapsed-sec", getElapsedTime_sec);
fgTie("/sim/time/gmt", getDateString, setDateString);
fgSetArchivable("/sim/time/gmt");
fgTie("/sim/time/gmt-string", getGMTString);
- fgTie("/sim/rendering/textures", getTextures, setTextures);
+
+ // Position
+ fgTie("/position/latitude-string", getLatitudeString);
+ fgTie("/position/longitude-string", getLongitudeString);
// Orientation
fgTie("/orientation/heading-magnetic-deg", getHeadingMag);
- // Environment
-#ifdef FG_WEATHERCM
- fgTie("/environment/visibility-m", getVisibility, setVisibility);
- fgSetArchivable("/environment/visibility-m");
- fgTie("/environment/wind-from-north-fps", getWindNorth, setWindNorth);
- fgSetArchivable("/environment/wind-from-north-fps");
- fgTie("/environment/wind-from-east-fps", getWindEast, setWindEast);
- fgSetArchivable("/environment/wind-from-east-fps");
- fgTie("/environment/wind-from-down-fps", getWindDown, setWindDown);
- fgSetArchivable("/environment/wind-from-down-fps");
-#endif
-
fgTie("/environment/magnetic-variation-deg", getMagVar);
fgTie("/environment/magnetic-dip-deg", getMagDip);
// Misc. Temporary junk.
fgTie("/sim/temp/winding-ccw", getWindingCCW, setWindingCCW, false);
- fgTie("/sim/temp/full-screen", getFullScreen, setFullScreen);
fgTie("/sim/temp/fdm-data-logging", getFDMDataLogging, setFDMDataLogging);
-
}
-
void
-fgUpdateProps ()
+FGProperties::unbind ()
{
+ // Simulation
+ fgUntie("/sim/logging/priority");
+ fgUntie("/sim/logging/classes");
+ fgUntie("/sim/freeze/master");
+
+ fgUntie("/sim/time/elapsed-sec");
+ fgUntie("/sim/time/gmt");
+ fgUntie("/sim/time/gmt-string");
+ // Position
+ fgUntie("/position/latitude-string");
+ fgUntie("/position/longitude-string");
+
+ // Orientation
+ fgUntie("/orientation/heading-magnetic-deg");
+
+ // Environment
+ fgUntie("/environment/magnetic-variation-deg");
+ fgUntie("/environment/magnetic-dip-deg");
+
+ fgUntie("/sim/time/warp");
+ fgUntie("/sim/time/warp-delta");
+
+ // Misc. Temporary junk.
+ fgUntie("/sim/temp/winding-ccw");
+ fgUntie("/sim/temp/full-screen");
+ fgUntie("/sim/temp/fdm-data-logging");
+}
+
+void
+FGProperties::update (double dt)
+{
+ static SGPropertyNode_ptr offset = fgGetNode("/sim/time/local-offset", true);
+ offset->setIntValue(globals->get_time_params()->get_local_offset());
+
+
+ // utc date/time
+ static SGPropertyNode_ptr uyear = fgGetNode("/sim/time/utc/year", true);
+ static SGPropertyNode_ptr umonth = fgGetNode("/sim/time/utc/month", true);
+ static SGPropertyNode_ptr uday = fgGetNode("/sim/time/utc/day", true);
+ static SGPropertyNode_ptr uhour = fgGetNode("/sim/time/utc/hour", true);
+ static SGPropertyNode_ptr umin = fgGetNode("/sim/time/utc/minute", true);
+ static SGPropertyNode_ptr usec = fgGetNode("/sim/time/utc/second", true);
+ static SGPropertyNode_ptr uwday = fgGetNode("/sim/time/utc/weekday", true);
+ static SGPropertyNode_ptr udsec = fgGetNode("/sim/time/utc/day-seconds", true);
+
+ struct tm *u = globals->get_time_params()->getGmt();
+ uyear->setIntValue(u->tm_year + 1900);
+ umonth->setIntValue(u->tm_mon + 1);
+ uday->setIntValue(u->tm_mday);
+ uhour->setIntValue(u->tm_hour);
+ umin->setIntValue(u->tm_min);
+ usec->setIntValue(u->tm_sec);
+ uwday->setIntValue(u->tm_wday);
+
+ udsec->setIntValue(u->tm_hour * 3600 + u->tm_min * 60 + u->tm_sec);
+
+
+ // real local date/time
+ static SGPropertyNode_ptr ryear = fgGetNode("/sim/time/real/year", true);
+ static SGPropertyNode_ptr rmonth = fgGetNode("/sim/time/real/month", true);
+ static SGPropertyNode_ptr rday = fgGetNode("/sim/time/real/day", true);
+ static SGPropertyNode_ptr rhour = fgGetNode("/sim/time/real/hour", true);
+ static SGPropertyNode_ptr rmin = fgGetNode("/sim/time/real/minute", true);
+ static SGPropertyNode_ptr rsec = fgGetNode("/sim/time/real/second", true);
+ static SGPropertyNode_ptr rwday = fgGetNode("/sim/time/real/weekday", true);
+
+ time_t real = time(0);
+ struct tm *r = localtime(&real);
+ ryear->setIntValue(r->tm_year + 1900);
+ rmonth->setIntValue(r->tm_mon + 1);
+ rday->setIntValue(r->tm_mday);
+ rhour->setIntValue(r->tm_hour);
+ rmin->setIntValue(r->tm_min);
+ rsec->setIntValue(r->tm_sec);
+ rwday->setIntValue(r->tm_wday);
}
* Save the current state of the simulator to a stream.
*/
bool
-fgSaveFlight (ostream &output, bool write_all)
+fgSaveFlight (std::ostream &output, bool write_all)
{
- fgSetBool("/sim/startup/onground", false);
- fgSetArchivable("/sim/startup/onground");
- fgSetBool("/sim/startup/trim", false);
- fgSetArchivable("/sim/startup/trim");
- fgSetString("/sim/startup/speed-set", "UVW");
- fgSetArchivable("/sim/startup/speed-set");
+ fgSetBool("/sim/presets/onground", false);
+ fgSetArchivable("/sim/presets/onground");
+ fgSetBool("/sim/presets/trim", false);
+ fgSetArchivable("/sim/presets/trim");
+ fgSetString("/sim/presets/speed-set", "UVW");
+ fgSetArchivable("/sim/presets/speed-set");
try {
writeProperties(output, globals->get_props(), write_all);
* Restore the current state of the simulator from a stream.
*/
bool
-fgLoadFlight (istream &input)
+fgLoadFlight (std::istream &input)
{
SGPropertyNode props;
try {
return false;
}
- fgSetBool("/sim/startup/onground", false);
- fgSetBool("/sim/startup/trim", false);
- fgSetString("/sim/startup/speed-set", "UVW");
+ fgSetBool("/sim/presets/onground", false);
+ fgSetBool("/sim/presets/trim", false);
+ fgSetString("/sim/presets/speed-set", "UVW");
copyProperties(&props, globals->get_props());
// When loading a flight, make it the
}
+bool
+fgLoadProps (const char * path, SGPropertyNode * props, bool in_fg_root, int default_mode)
+{
+ string fullpath;
+ if (in_fg_root) {
+ SGPath loadpath(globals->get_fg_root());
+ loadpath.append(path);
+ fullpath = loadpath.str();
+ } else {
+ fullpath = path;
+ }
+
+ try {
+ readProperties(fullpath, props, default_mode);
+ } catch (const sg_exception &e) {
+ guiErrorMessage("Error reading properties: ", e);
+ return false;
+ }
+ return true;
+}
+
+
\f
////////////////////////////////////////////////////////////////////////
// Property convenience functions.
return (fgGetNode(path, false) != 0);
}
+void
+fgAddChangeListener (SGPropertyChangeListener * listener, const char * path)
+{
+ fgGetNode(path, true)->addChangeListener(listener);
+}
+
+void
+fgAddChangeListener (SGPropertyChangeListener * listener,
+ const char * path, int index)
+{
+ fgGetNode(path, index, true)->addChangeListener(listener);
+}
+
bool
fgGetBool (const char * name, bool defaultValue)
{
{
SGPropertyNode * node = globals->get_props()->getNode(name);
if (node == 0)
- SG_LOG(SG_GENERAL, SG_ALERT,
+ SG_LOG(SG_GENERAL, SG_DEBUG,
"Attempt to set archive flag for non-existant property "
<< name);
else
{
SGPropertyNode * node = globals->get_props()->getNode(name);
if (node == 0)
- SG_LOG(SG_GENERAL, SG_ALERT,
+ SG_LOG(SG_GENERAL, SG_DEBUG,
"Attempt to set read flag for non-existant property "
<< name);
else
{
SGPropertyNode * node = globals->get_props()->getNode(name);
if (node == 0)
- SG_LOG(SG_GENERAL, SG_ALERT,
+ SG_LOG(SG_GENERAL, SG_DEBUG,
"Attempt to set write flag for non-existant property "
<< name);
else
}
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGCondition.
-////////////////////////////////////////////////////////////////////////
-
-FGCondition::FGCondition ()
-{
-}
-
-FGCondition::~FGCondition ()
-{
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGPropertyCondition.
-////////////////////////////////////////////////////////////////////////
-
-FGPropertyCondition::FGPropertyCondition (const char * propname)
- : _node(fgGetNode(propname, true))
-{
-}
-
-FGPropertyCondition::~FGPropertyCondition ()
-{
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGNotCondition.
-////////////////////////////////////////////////////////////////////////
-
-FGNotCondition::FGNotCondition (FGCondition * condition)
- : _condition(condition)
-{
-}
-
-FGNotCondition::~FGNotCondition ()
-{
- delete _condition;
-}
-
-bool
-FGNotCondition::test () const
-{
- return !(_condition->test());
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGAndCondition.
-////////////////////////////////////////////////////////////////////////
-
-FGAndCondition::FGAndCondition ()
-{
-}
-
-FGAndCondition::~FGAndCondition ()
-{
- for (unsigned int i = 0; i < _conditions.size(); i++)
- delete _conditions[i];
-}
-
-bool
-FGAndCondition::test () const
-{
- int nConditions = _conditions.size();
- for (int i = 0; i < nConditions; i++) {
- if (!_conditions[i]->test())
- return false;
- }
- return true;
-}
-
-void
-FGAndCondition::addCondition (FGCondition * condition)
-{
- _conditions.push_back(condition);
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGOrCondition.
-////////////////////////////////////////////////////////////////////////
-
-FGOrCondition::FGOrCondition ()
-{
-}
-
-FGOrCondition::~FGOrCondition ()
-{
- for (unsigned int i = 0; i < _conditions.size(); i++)
- delete _conditions[i];
-}
-
-bool
-FGOrCondition::test () const
-{
- int nConditions = _conditions.size();
- for (int i = 0; i < nConditions; i++) {
- if (_conditions[i]->test())
- return true;
- }
- return false;
-}
-
-void
-FGOrCondition::addCondition (FGCondition * condition)
-{
- _conditions.push_back(condition);
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGComparisonCondition.
-////////////////////////////////////////////////////////////////////////
-
-static int
-doComparison (const SGPropertyNode * left, const SGPropertyNode *right)
-{
- switch (left->getType()) {
- case SGPropertyNode::BOOL: {
- bool v1 = left->getBoolValue();
- bool v2 = right->getBoolValue();
- if (v1 < v2)
- return FGComparisonCondition::LESS_THAN;
- else if (v1 > v2)
- return FGComparisonCondition::GREATER_THAN;
- else
- return FGComparisonCondition::EQUALS;
- break;
- }
- case SGPropertyNode::INT: {
- int v1 = left->getIntValue();
- int v2 = right->getIntValue();
- if (v1 < v2)
- return FGComparisonCondition::LESS_THAN;
- else if (v1 > v2)
- return FGComparisonCondition::GREATER_THAN;
- else
- return FGComparisonCondition::EQUALS;
- break;
- }
- case SGPropertyNode::LONG: {
- long v1 = left->getLongValue();
- long v2 = right->getLongValue();
- if (v1 < v2)
- return FGComparisonCondition::LESS_THAN;
- else if (v1 > v2)
- return FGComparisonCondition::GREATER_THAN;
- else
- return FGComparisonCondition::EQUALS;
- break;
- }
- case SGPropertyNode::FLOAT: {
- float v1 = left->getFloatValue();
- float v2 = right->getFloatValue();
- if (v1 < v2)
- return FGComparisonCondition::LESS_THAN;
- else if (v1 > v2)
- return FGComparisonCondition::GREATER_THAN;
- else
- return FGComparisonCondition::EQUALS;
- break;
- }
- case SGPropertyNode::DOUBLE: {
- double v1 = left->getDoubleValue();
- double v2 = right->getDoubleValue();
- if (v1 < v2)
- return FGComparisonCondition::LESS_THAN;
- else if (v1 > v2)
- return FGComparisonCondition::GREATER_THAN;
- else
- return FGComparisonCondition::EQUALS;
- break;
- }
- case SGPropertyNode::STRING:
- case SGPropertyNode::NONE:
- case SGPropertyNode::UNSPECIFIED: {
- string v1 = left->getStringValue();
- string v2 = right->getStringValue();
- if (v1 < v2)
- return FGComparisonCondition::LESS_THAN;
- else if (v1 > v2)
- return FGComparisonCondition::GREATER_THAN;
- else
- return FGComparisonCondition::EQUALS;
- break;
- }
- }
- throw sg_exception("Unrecognized node type");
- return 0;
-}
-
-
-FGComparisonCondition::FGComparisonCondition (Type type, bool reverse)
- : _type(type),
- _reverse(reverse),
- _left_property(0),
- _right_property(0),
- _right_value(0)
-{
-}
-
-FGComparisonCondition::~FGComparisonCondition ()
-{
- delete _right_value;
-}
-
-bool
-FGComparisonCondition::test () const
-{
- // Always fail if incompletely specified
- if (_left_property == 0 ||
- (_right_property == 0 && _right_value == 0))
- return false;
-
- // Get LESS_THAN, EQUALS, or GREATER_THAN
- int cmp =
- doComparison(_left_property,
- (_right_property != 0 ? _right_property : _right_value));
- if (!_reverse)
- return (cmp == _type);
- else
- return (cmp != _type);
-}
-
-void
-FGComparisonCondition::setLeftProperty (const char * propname)
-{
- _left_property = fgGetNode(propname, true);
-}
-
-void
-FGComparisonCondition::setRightProperty (const char * propname)
-{
- delete _right_value;
- _right_value = 0;
- _right_property = fgGetNode(propname, true);
-}
-
-void
-FGComparisonCondition::setRightValue (const SGPropertyNode *node)
-{
- _right_property = 0;
- delete _right_value;
- _right_value = new SGPropertyNode(*node);
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Read a condition and use it if necessary.
-////////////////////////////////////////////////////////////////////////
-
- // Forward declaration
-static FGCondition * readCondition (const SGPropertyNode * node);
-
-static FGCondition *
-readPropertyCondition (const SGPropertyNode * node)
-{
- return new FGPropertyCondition(node->getStringValue());
-}
-
-static FGCondition *
-readNotCondition (const SGPropertyNode * node)
-{
- int nChildren = node->nChildren();
- for (int i = 0; i < nChildren; i++) {
- const SGPropertyNode * child = node->getChild(i);
- FGCondition * condition = readCondition(child);
- if (condition != 0)
- return new FGNotCondition(condition);
- }
- SG_LOG(SG_COCKPIT, SG_ALERT, "Panel: empty 'not' condition");
- return 0;
-}
-
-static FGCondition *
-readAndConditions (const SGPropertyNode * node)
-{
- FGAndCondition * andCondition = new FGAndCondition;
- int nChildren = node->nChildren();
- for (int i = 0; i < nChildren; i++) {
- const SGPropertyNode * child = node->getChild(i);
- FGCondition * condition = readCondition(child);
- if (condition != 0)
- andCondition->addCondition(condition);
- }
- return andCondition;
-}
-
-static FGCondition *
-readOrConditions (const SGPropertyNode * node)
-{
- FGOrCondition * orCondition = new FGOrCondition;
- int nChildren = node->nChildren();
- for (int i = 0; i < nChildren; i++) {
- const SGPropertyNode * child = node->getChild(i);
- FGCondition * condition = readCondition(child);
- if (condition != 0)
- orCondition->addCondition(condition);
- }
- return orCondition;
-}
-
-static FGCondition *
-readComparison (const SGPropertyNode * node,
- FGComparisonCondition::Type type,
- bool reverse)
-{
- FGComparisonCondition * condition = new FGComparisonCondition(type, reverse);
- condition->setLeftProperty(node->getStringValue("property[0]"));
- if (node->hasValue("property[1]"))
- condition->setRightProperty(node->getStringValue("property[1]"));
- else
- condition->setRightValue(node->getChild("value", 0));
-
- return condition;
-}
-
-static FGCondition *
-readCondition (const SGPropertyNode * node)
-{
- const string &name = node->getName();
- if (name == "property")
- return readPropertyCondition(node);
- else if (name == "not")
- return readNotCondition(node);
- else if (name == "and")
- return readAndConditions(node);
- else if (name == "or")
- return readOrConditions(node);
- else if (name == "less-than")
- return readComparison(node, FGComparisonCondition::LESS_THAN, false);
- else if (name == "less-than-equals")
- return readComparison(node, FGComparisonCondition::GREATER_THAN, true);
- else if (name == "greater-than")
- return readComparison(node, FGComparisonCondition::GREATER_THAN, false);
- else if (name == "greater-than-equals")
- return readComparison(node, FGComparisonCondition::LESS_THAN, true);
- else if (name == "equals")
- return readComparison(node, FGComparisonCondition::EQUALS, false);
- else if (name == "not-equals")
- return readComparison(node, FGComparisonCondition::EQUALS, true);
- else
- return 0;
-}
-
-
-\f
-////////////////////////////////////////////////////////////////////////
-// Implementation of FGConditional.
-////////////////////////////////////////////////////////////////////////
-
-FGConditional::FGConditional ()
- : _condition (0)
-{
-}
-
-FGConditional::~FGConditional ()
-{
- delete _condition;
-}
-
-void
-FGConditional::setCondition (FGCondition * condition)
-{
- delete _condition;
- _condition = condition;
-}
-
-bool
-FGConditional::test () const
-{
- return ((_condition == 0) || _condition->test());
-}
-
-
-\f
-// The top-level is always an implicit 'and' group
-FGCondition *
-fgReadCondition (const SGPropertyNode * node)
-{
- return readAndConditions(node);
-}
-
-
// end of fg_props.cxx
projects / flightgear.git / blobdiff