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DME: refactor with a clear() helper for off/out-of-range

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This ensures consistent behaviour of properties for out of range,
no station, U/S, loss of power.

Thanks to Sascha Reissner for the issue report.
This commit is contained in:
James Turner 2018-07-17 09:11:30 +01:00
parent 64f3c1d3b6
commit 5b73e9c7d0
2 changed files with 26 additions and 27 deletions
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46
src/Instrumentation/dme.cxx
View file

@ -139,6 +139,7 @@ void
DME::reinit ()
{
_time_before_search_sec = 0;
clear();
}
void
@ -177,26 +178,17 @@ DME::update (double delta_time_sec)
// If it's off, don't bother.
if (!_serviceable_node->getBoolValue() ||
!_electrical_node->getBoolValue()){
_last_distance_nm = 0;
_in_range_node->setBoolValue(false);
_distance_node->setDoubleValue(0);
_speed_node->setDoubleValue(0);
_time_node->setDoubleValue(0);
_audioIdent->setIdent("", 0.0 );
_distance_string->setStringValue("");
_speed_string->setStringValue("");
_time_string->setStringValue("");
if (!_serviceable_node->getBoolValue() || !_electrical_node->getBoolValue()) {
clear();
return;
}
// If it's on, but invalid source,don't bother.
if (NULL == _navrecord ){
_distance_string->setStringValue("---");
_speed_string->setStringValue("---");
_time_string->setStringValue("--");
if (nullptr == _navrecord) {
clear();
return;
}
// Calculate the distance to the transmitter
double distance_nm = dist(_navrecord->cart(),
globals->get_aircraft_position_cart()) * SG_METER_TO_NM;
@ -246,17 +238,23 @@ if (NULL == _navrecord ){
}
} else {
_last_distance_nm = 0;
_in_range_node->setBoolValue(false);
_distance_node->setDoubleValue(0);
_distance_string->setStringValue("---");
_speed_node->setDoubleValue(0);
_speed_string->setStringValue("---");
_time_node->setDoubleValue(0);
_time_string->setStringValue("--");
_audioIdent->setIdent("", 0.0 );
clear();
}
_audioIdent->update( delta_time_sec );
}
void DME::clear()
{
_last_distance_nm = 0;
_in_range_node->setBoolValue(false);
_distance_node->setDoubleValue(0);
_distance_string->setStringValue("---");
_speed_node->setDoubleValue(0);
_speed_string->setStringValue("---");
_time_node->setDoubleValue(0);
_time_string->setStringValue("--");
_audioIdent->setIdent("", 0.0);
}
// end of dme.cxx

7
src/Instrumentation/dme.hxx
View file

@ -41,11 +41,12 @@ public:
DME ( SGPropertyNode *node );
virtual ~DME ();
virtual void init ();
virtual void reinit ();
virtual void update (double delta_time_sec);
void init() override;
void reinit() override;
void update(double delta_time_sec) override;
private:
void clear();
SGPropertyNode_ptr _serviceable_node;
SGPropertyNode_ptr _electrical_node;