848 lines
21 KiB
C++
848 lines
21 KiB
C++
// fg_props.cxx -- support for FlightGear properties.
|
||
//
|
||
// Written by David Megginson, started 2000.
|
||
//
|
||
// Copyright (C) 2000, 2001 David Megginson - david@megginson.com
|
||
//
|
||
// This program is free software; you can redistribute it and/or
|
||
// modify it under the terms of the GNU General Public License as
|
||
// published by the Free Software Foundation; either version 2 of the
|
||
// License, or (at your option) any later version.
|
||
//
|
||
// This program is distributed in the hope that it will be useful, but
|
||
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
// General Public License for more details.
|
||
//
|
||
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||
//
|
||
// $Id$
|
||
|
||
#ifdef HAVE_CONFIG_H
|
||
# include "config.h"
|
||
#endif
|
||
|
||
#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/scene/model/particles.hxx>
|
||
#include <simgear/sound/soundmgr_openal.hxx>
|
||
|
||
#include <GUI/gui.h>
|
||
|
||
#include "globals.hxx"
|
||
#include "fg_props.hxx"
|
||
|
||
|
||
static bool winding_ccw = true; // FIXME: temporary
|
||
|
||
static bool frozen = false; // FIXME: temporary
|
||
|
||
using std::string;
|
||
|
||
////////////////////////////////////////////////////////////////////////
|
||
// Default property bindings (not yet handled by any module).
|
||
////////////////////////////////////////////////////////////////////////
|
||
|
||
struct LogClassMapping {
|
||
sgDebugClass c;
|
||
string name;
|
||
LogClassMapping(sgDebugClass cc, string nname) { c = cc; name = nname; }
|
||
};
|
||
|
||
LogClassMapping log_class_mappings [] = {
|
||
LogClassMapping(SG_NONE, "none"),
|
||
LogClassMapping(SG_TERRAIN, "terrain"),
|
||
LogClassMapping(SG_ASTRO, "astro"),
|
||
LogClassMapping(SG_FLIGHT, "flight"),
|
||
LogClassMapping(SG_INPUT, "input"),
|
||
LogClassMapping(SG_GL, "gl"),
|
||
LogClassMapping(SG_VIEW, "view"),
|
||
LogClassMapping(SG_COCKPIT, "cockpit"),
|
||
LogClassMapping(SG_GENERAL, "general"),
|
||
LogClassMapping(SG_MATH, "math"),
|
||
LogClassMapping(SG_EVENT, "event"),
|
||
LogClassMapping(SG_AIRCRAFT, "aircraft"),
|
||
LogClassMapping(SG_AUTOPILOT, "autopilot"),
|
||
LogClassMapping(SG_IO, "io"),
|
||
LogClassMapping(SG_CLIPPER, "clipper"),
|
||
LogClassMapping(SG_NETWORK, "network"),
|
||
LogClassMapping(SG_INSTR, "instrumentation"),
|
||
LogClassMapping(SG_SYSTEMS, "systems"),
|
||
LogClassMapping(SG_UNDEFD, "")
|
||
};
|
||
|
||
|
||
/**
|
||
* Get the logging classes.
|
||
*/
|
||
// XXX Making the result buffer be global is a band-aid that hopefully
|
||
// delays its destruction 'til after its last use.
|
||
namespace
|
||
{
|
||
string loggingResult;
|
||
}
|
||
|
||
static const char *
|
||
getLoggingClasses ()
|
||
{
|
||
sgDebugClass classes = logbuf::get_log_classes();
|
||
loggingResult.clear();
|
||
for (int i = 0; log_class_mappings[i].c != SG_UNDEFD; i++) {
|
||
if ((classes&log_class_mappings[i].c) > 0) {
|
||
if (!loggingResult.empty())
|
||
loggingResult += '|';
|
||
loggingResult += log_class_mappings[i].name;
|
||
}
|
||
}
|
||
return loggingResult.c_str();
|
||
}
|
||
|
||
|
||
static void
|
||
addLoggingClass (const string &name)
|
||
{
|
||
sgDebugClass classes = logbuf::get_log_classes();
|
||
for (int i = 0; log_class_mappings[i].c != SG_UNDEFD; i++) {
|
||
if (name == log_class_mappings[i].name) {
|
||
logbuf::set_log_classes(sgDebugClass(classes|log_class_mappings[i].c));
|
||
return;
|
||
}
|
||
}
|
||
SG_LOG(SG_GENERAL, SG_WARN, "Unknown logging class: " << name);
|
||
}
|
||
|
||
|
||
/**
|
||
* Set the logging classes.
|
||
*/
|
||
static void
|
||
setLoggingClasses (const char * c)
|
||
{
|
||
string classes = c;
|
||
logbuf::set_log_classes(SG_NONE);
|
||
|
||
if (classes == "none") {
|
||
SG_LOG(SG_GENERAL, SG_INFO, "Disabled all logging classes");
|
||
return;
|
||
}
|
||
|
||
if (classes.empty() || classes == "all") { // default
|
||
logbuf::set_log_classes(SG_ALL);
|
||
SG_LOG(SG_GENERAL, SG_INFO, "Enabled all logging classes: "
|
||
<< getLoggingClasses());
|
||
return;
|
||
}
|
||
|
||
string rest = classes;
|
||
string name = "";
|
||
int sep = rest.find('|');
|
||
while (sep > 0) {
|
||
name = rest.substr(0, sep);
|
||
rest = rest.substr(sep+1);
|
||
addLoggingClass(name);
|
||
sep = rest.find('|');
|
||
}
|
||
addLoggingClass(rest);
|
||
SG_LOG(SG_GENERAL, SG_INFO, "Set logging classes to "
|
||
<< getLoggingClasses());
|
||
}
|
||
|
||
|
||
/**
|
||
* Get the logging priority.
|
||
*/
|
||
static const char *
|
||
getLoggingPriority ()
|
||
{
|
||
switch (logbuf::get_log_priority()) {
|
||
case SG_BULK:
|
||
return "bulk";
|
||
case SG_DEBUG:
|
||
return "debug";
|
||
case SG_INFO:
|
||
return "info";
|
||
case SG_WARN:
|
||
return "warn";
|
||
case SG_ALERT:
|
||
return "alert";
|
||
default:
|
||
SG_LOG(SG_GENERAL, SG_WARN, "Internal: Unknown logging priority number: "
|
||
<< logbuf::get_log_priority());
|
||
return "unknown";
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* Set the logging priority.
|
||
*/
|
||
static void
|
||
setLoggingPriority (const char * p)
|
||
{
|
||
if (p == 0)
|
||
return;
|
||
string priority = p;
|
||
if (priority == "bulk") {
|
||
logbuf::set_log_priority(SG_BULK);
|
||
} else if (priority == "debug") {
|
||
logbuf::set_log_priority(SG_DEBUG);
|
||
} else if (priority.empty() || priority == "info") { // default
|
||
logbuf::set_log_priority(SG_INFO);
|
||
} else if (priority == "warn") {
|
||
logbuf::set_log_priority(SG_WARN);
|
||
} else if (priority == "alert") {
|
||
logbuf::set_log_priority(SG_ALERT);
|
||
} else {
|
||
SG_LOG(SG_GENERAL, SG_WARN, "Unknown logging priority " << priority);
|
||
}
|
||
SG_LOG(SG_GENERAL, SG_DEBUG, "Logging priority is " << getLoggingPriority());
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the current frozen state.
|
||
*/
|
||
static bool
|
||
getFreeze ()
|
||
{
|
||
return frozen;
|
||
}
|
||
|
||
|
||
/**
|
||
* Set the current frozen state.
|
||
*/
|
||
static void
|
||
setFreeze (bool f)
|
||
{
|
||
frozen = f;
|
||
|
||
// Stop sound on a pause
|
||
SGSoundMgr *smgr = globals->get_soundmgr();
|
||
if ( smgr != NULL ) {
|
||
if ( f ) {
|
||
smgr->suspend();
|
||
} else if (fgGetBool("/sim/sound/working")) {
|
||
smgr->resume();
|
||
}
|
||
}
|
||
|
||
// Pause the particle system
|
||
simgear::Particles::setFrozen(f);
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the number of milliseconds elapsed since simulation started.
|
||
*/
|
||
static double
|
||
getElapsedTime_sec ()
|
||
{
|
||
return globals->get_sim_time_sec();
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the current Zulu time.
|
||
*/
|
||
static const char *
|
||
getDateString ()
|
||
{
|
||
static char buf[64]; // FIXME
|
||
struct tm * t = globals->get_time_params()->getGmt();
|
||
sprintf(buf, "%.4d-%.2d-%.2dT%.2d:%.2d:%.2d",
|
||
t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
|
||
t->tm_hour, t->tm_min, t->tm_sec);
|
||
return buf;
|
||
}
|
||
|
||
|
||
/**
|
||
* Set the current Zulu time.
|
||
*/
|
||
static void
|
||
setDateString (const char * date_string)
|
||
{
|
||
static const SGPropertyNode *cur_time_override
|
||
= fgGetNode("/sim/time/cur-time-override", true);
|
||
|
||
SGTime * st = globals->get_time_params();
|
||
struct tm * current_time = st->getGmt();
|
||
struct tm new_time;
|
||
|
||
// Scan for basic ISO format
|
||
// YYYY-MM-DDTHH:MM:SS
|
||
int ret = sscanf(date_string, "%d-%d-%dT%d:%d:%d",
|
||
&(new_time.tm_year), &(new_time.tm_mon),
|
||
&(new_time.tm_mday), &(new_time.tm_hour),
|
||
&(new_time.tm_min), &(new_time.tm_sec));
|
||
|
||
// Be pretty picky about this, so
|
||
// that strange things don't happen
|
||
// if the save file has been edited
|
||
// by hand.
|
||
if (ret != 6) {
|
||
SG_LOG(SG_INPUT, SG_WARN, "Date/time string " << date_string
|
||
<< " not in YYYY-MM-DDTHH:MM:SS format; skipped");
|
||
return;
|
||
}
|
||
|
||
// OK, it looks like we got six
|
||
// values, one way or another.
|
||
new_time.tm_year -= 1900;
|
||
new_time.tm_mon -= 1;
|
||
|
||
// Now, tell flight gear to use
|
||
// the new time. This was far
|
||
// too difficult, by the way.
|
||
long int warp =
|
||
mktime(&new_time) - mktime(current_time) + globals->get_warp();
|
||
double lon = fgGetDouble("/position/longitude-deg") * SG_DEGREES_TO_RADIANS;
|
||
double lat = fgGetDouble("/position/latitude-deg") * SG_DEGREES_TO_RADIANS;
|
||
globals->set_warp(warp);
|
||
st->update(lon, lat, cur_time_override->getLongValue(), warp);
|
||
}
|
||
|
||
/**
|
||
* Return the GMT as a string.
|
||
*/
|
||
static const char *
|
||
getGMTString ()
|
||
{
|
||
static char buf[16];
|
||
struct tm *t = globals->get_time_params()->getGmt();
|
||
snprintf(buf, 16, "%.2d:%.2d:%.2d",
|
||
t->tm_hour, t->tm_min, t->tm_sec);
|
||
return buf;
|
||
}
|
||
|
||
/**
|
||
* Return the magnetic variation
|
||
*/
|
||
static double
|
||
getMagVar ()
|
||
{
|
||
return globals->get_mag()->get_magvar() * SGD_RADIANS_TO_DEGREES;
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the magnetic dip
|
||
*/
|
||
static double
|
||
getMagDip ()
|
||
{
|
||
return globals->get_mag()->get_magdip() * SGD_RADIANS_TO_DEGREES;
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the current heading in degrees.
|
||
*/
|
||
static double
|
||
getHeadingMag ()
|
||
{
|
||
double magheading;
|
||
magheading = fgGetDouble("/orientation/heading-deg") - getMagVar();
|
||
if (magheading < 0) magheading += 360;
|
||
return magheading;
|
||
}
|
||
|
||
/**
|
||
* Return the current track in degrees.
|
||
*/
|
||
static double
|
||
getTrackMag ()
|
||
{
|
||
double magtrack;
|
||
magtrack = fgGetDouble("/orientation/track-deg") - getMagVar();
|
||
if (magtrack < 0) magtrack += 360;
|
||
return magtrack;
|
||
}
|
||
|
||
static long
|
||
getWarp ()
|
||
{
|
||
return globals->get_warp();
|
||
}
|
||
|
||
static void
|
||
setWarp (long warp)
|
||
{
|
||
globals->set_warp(warp);
|
||
}
|
||
|
||
static long
|
||
getWarpDelta ()
|
||
{
|
||
return globals->get_warp_delta();
|
||
}
|
||
|
||
static void
|
||
setWarpDelta (long delta)
|
||
{
|
||
globals->set_warp_delta(delta);
|
||
}
|
||
|
||
static bool
|
||
getWindingCCW ()
|
||
{
|
||
return winding_ccw;
|
||
}
|
||
|
||
static void
|
||
setWindingCCW (bool state)
|
||
{
|
||
winding_ccw = state;
|
||
if ( winding_ccw )
|
||
glFrontFace ( GL_CCW );
|
||
else
|
||
glFrontFace ( GL_CW );
|
||
}
|
||
|
||
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;
|
||
}
|
||
|
||
|
||
|
||
|
||
////////////////////////////////////////////////////////////////////////
|
||
// Tie the properties.
|
||
////////////////////////////////////////////////////////////////////////
|
||
|
||
FGProperties::FGProperties ()
|
||
{
|
||
}
|
||
|
||
FGProperties::~FGProperties ()
|
||
{
|
||
}
|
||
|
||
void
|
||
FGProperties::init ()
|
||
{
|
||
}
|
||
|
||
void
|
||
FGProperties::bind ()
|
||
{
|
||
// Simulation
|
||
fgTie("/sim/logging/priority", getLoggingPriority, setLoggingPriority);
|
||
fgTie("/sim/logging/classes", getLoggingClasses, setLoggingClasses);
|
||
fgTie("/sim/freeze/master", getFreeze, setFreeze);
|
||
|
||
fgTie("/sim/time/elapsed-sec", getElapsedTime_sec);
|
||
fgTie("/sim/time/gmt", getDateString, setDateString);
|
||
fgSetArchivable("/sim/time/gmt");
|
||
fgTie("/sim/time/gmt-string", getGMTString);
|
||
|
||
// Position
|
||
fgTie("/position/latitude-string", getLatitudeString);
|
||
fgTie("/position/longitude-string", getLongitudeString);
|
||
|
||
// Orientation
|
||
fgTie("/orientation/heading-magnetic-deg", getHeadingMag);
|
||
fgTie("/orientation/track-magnetic-deg", getTrackMag);
|
||
|
||
fgTie("/environment/magnetic-variation-deg", getMagVar);
|
||
fgTie("/environment/magnetic-dip-deg", getMagDip);
|
||
|
||
fgTie("/sim/time/warp", getWarp, setWarp, false);
|
||
fgTie("/sim/time/warp-delta", getWarpDelta, setWarpDelta);
|
||
|
||
// Misc. Temporary junk.
|
||
fgTie("/sim/temp/winding-ccw", getWindingCCW, setWindingCCW, false);
|
||
}
|
||
|
||
void
|
||
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");
|
||
fgUntie("/orientation/track-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 and restore.
|
||
////////////////////////////////////////////////////////////////////////
|
||
|
||
|
||
/**
|
||
* Save the current state of the simulator to a stream.
|
||
*/
|
||
bool
|
||
fgSaveFlight (std::ostream &output, bool write_all)
|
||
{
|
||
|
||
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);
|
||
} catch (const sg_exception &e) {
|
||
guiErrorMessage("Error saving flight: ", e);
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
/**
|
||
* Restore the current state of the simulator from a stream.
|
||
*/
|
||
bool
|
||
fgLoadFlight (std::istream &input)
|
||
{
|
||
SGPropertyNode props;
|
||
try {
|
||
readProperties(input, &props);
|
||
} catch (const sg_exception &e) {
|
||
guiErrorMessage("Error reading saved flight: ", e);
|
||
return false;
|
||
}
|
||
|
||
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
|
||
// new initial state.
|
||
globals->saveInitialState();
|
||
return true;
|
||
}
|
||
|
||
|
||
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;
|
||
}
|
||
|
||
|
||
|
||
////////////////////////////////////////////////////////////////////////
|
||
// Property convenience functions.
|
||
////////////////////////////////////////////////////////////////////////
|
||
|
||
SGPropertyNode *
|
||
fgGetNode (const char * path, bool create)
|
||
{
|
||
return globals->get_props()->getNode(path, create);
|
||
}
|
||
|
||
SGPropertyNode *
|
||
fgGetNode (const char * path, int index, bool create)
|
||
{
|
||
return globals->get_props()->getNode(path, index, create);
|
||
}
|
||
|
||
bool
|
||
fgHasNode (const char * path)
|
||
{
|
||
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)
|
||
{
|
||
return globals->get_props()->getBoolValue(name, defaultValue);
|
||
}
|
||
|
||
int
|
||
fgGetInt (const char * name, int defaultValue)
|
||
{
|
||
return globals->get_props()->getIntValue(name, defaultValue);
|
||
}
|
||
|
||
int
|
||
fgGetLong (const char * name, long defaultValue)
|
||
{
|
||
return globals->get_props()->getLongValue(name, defaultValue);
|
||
}
|
||
|
||
float
|
||
fgGetFloat (const char * name, float defaultValue)
|
||
{
|
||
return globals->get_props()->getFloatValue(name, defaultValue);
|
||
}
|
||
|
||
double
|
||
fgGetDouble (const char * name, double defaultValue)
|
||
{
|
||
return globals->get_props()->getDoubleValue(name, defaultValue);
|
||
}
|
||
|
||
const char *
|
||
fgGetString (const char * name, const char * defaultValue)
|
||
{
|
||
return globals->get_props()->getStringValue(name, defaultValue);
|
||
}
|
||
|
||
bool
|
||
fgSetBool (const char * name, bool val)
|
||
{
|
||
return globals->get_props()->setBoolValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetInt (const char * name, int val)
|
||
{
|
||
return globals->get_props()->setIntValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetLong (const char * name, long val)
|
||
{
|
||
return globals->get_props()->setLongValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetFloat (const char * name, float val)
|
||
{
|
||
return globals->get_props()->setFloatValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetDouble (const char * name, double val)
|
||
{
|
||
return globals->get_props()->setDoubleValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetString (const char * name, const char * val)
|
||
{
|
||
return globals->get_props()->setStringValue(name, val);
|
||
}
|
||
|
||
void
|
||
fgSetArchivable (const char * name, bool state)
|
||
{
|
||
SGPropertyNode * node = globals->get_props()->getNode(name);
|
||
if (node == 0)
|
||
SG_LOG(SG_GENERAL, SG_DEBUG,
|
||
"Attempt to set archive flag for non-existant property "
|
||
<< name);
|
||
else
|
||
node->setAttribute(SGPropertyNode::ARCHIVE, state);
|
||
}
|
||
|
||
void
|
||
fgSetReadable (const char * name, bool state)
|
||
{
|
||
SGPropertyNode * node = globals->get_props()->getNode(name);
|
||
if (node == 0)
|
||
SG_LOG(SG_GENERAL, SG_DEBUG,
|
||
"Attempt to set read flag for non-existant property "
|
||
<< name);
|
||
else
|
||
node->setAttribute(SGPropertyNode::READ, state);
|
||
}
|
||
|
||
void
|
||
fgSetWritable (const char * name, bool state)
|
||
{
|
||
SGPropertyNode * node = globals->get_props()->getNode(name);
|
||
if (node == 0)
|
||
SG_LOG(SG_GENERAL, SG_DEBUG,
|
||
"Attempt to set write flag for non-existant property "
|
||
<< name);
|
||
else
|
||
node->setAttribute(SGPropertyNode::WRITE, state);
|
||
}
|
||
|
||
void
|
||
fgUntie(const char * name)
|
||
{
|
||
SGPropertyNode* node = globals->get_props()->getNode(name);
|
||
if (!node) {
|
||
SG_LOG(SG_GENERAL, SG_WARN, "fgUntie: unknown property " << name);
|
||
return;
|
||
}
|
||
|
||
if (!node->isTied()) {
|
||
return;
|
||
}
|
||
|
||
if (!node->untie()) {
|
||
SG_LOG(SG_GENERAL, SG_WARN, "Failed to untie property " << name);
|
||
}
|
||
}
|
||
|
||
|
||
// end of fg_props.cxx
|