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Better fix for orientation nodes init

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(Avoid the chance that we overwrite a value set earlier)
This commit is contained in:
James Turner 2020-05-31 12:24:36 +01:00
parent c0d347859f
commit 13bb1adf54
1 changed files with 14 additions and 14 deletions
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28
src/Main/fg_props.cxx
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@ -373,6 +373,15 @@ FGProperties::init ()
{ {
} }
static SGPropertyNode_ptr initDoubleNode(const std::string& path, const double v)
{
auto r = fgGetNode(path, true);
if (r->getType() == simgear::props::NONE) {
r->setDoubleValue(v);
}
return r;
}
void void
FGProperties::bind () FGProperties::bind ()
{ {
@ -417,20 +426,11 @@ FGProperties::bind ()
_tiedProperties.Tie<const char*>("/position/latitude-string", getLatitudeString); _tiedProperties.Tie<const char*>("/position/latitude-string", getLatitudeString);
_tiedProperties.Tie<const char*>("/position/longitude-string", getLongitudeString); _tiedProperties.Tie<const char*>("/position/longitude-string", getLongitudeString);
_headingMagnetic = fgGetNode("/orientation/heading-magnetic-deg", true); _headingMagnetic = initDoubleNode("/orientation/heading-magnetic-deg", 0.0);
_headingMagnetic->setDoubleValue(0.0); _trackMagnetic = initDoubleNode("/orientation/track-magnetic-deg", 0.0);
_magVar = initDoubleNode("/environment/magnetic-variation-deg", 0.0);
_trackMagnetic = fgGetNode("/orientation/track-magnetic-deg", true); _trueHeading = initDoubleNode("/orientation/heading-deg", 0.0);
_trackMagnetic->setDoubleValue(0.0); _trueTrack = initDoubleNode("/orientation/track-deg", 0.0);
_magVar = fgGetNode("/environment/magnetic-variation-deg", true);
_magVar->setDoubleValue(0.0);
_trueHeading = fgGetNode("/orientation/heading-deg", true);
_trueHeading->setDoubleValue(0.0);
_trueTrack = fgGetNode("/orientation/track-deg", true);
_trueTrack->setDoubleValue(0.0);
} }
void void