76 lines
2 KiB
Text
76 lines
2 KiB
Text
##
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## environment.nas
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##
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## Nasal code for implementing environment-specific functionality.
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##
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# Handler. Increase visibility by one step
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#
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var increaseVisibility = func {
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adjustVisibility(1.1);
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}
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##
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# Handler. Decrease visibility by one step
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#
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var decreaseVisibility = func {
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adjustVisibility(0.9);
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}
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var adjustVisibility = func( factor ) {
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var val = 0;
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var aux_val = 0;
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# better to use a non gui/dialog property here, but there doesn't
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# seem to be one for local-weather.
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var localWeatherEnabled = getprop("sim/gui/dialogs/metar/mode/local-weather");
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var max_aux_vis = 12.429216196;
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var min_aux_vis = 9.90348;
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if (localWeatherEnabled) {
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if (factor == 1.1)
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factor = 1.001;
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else
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factor = 0.999;
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aux_val = auxvisibilityProp.getValue() * factor;
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if( aux_val <= min_aux_vis)
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auxvisibilityProp.setDoubleValue(min_aux_vis);
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elsif(aux_val >= max_aux_vis)
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auxvisibilityProp.setDoubleValue(max_aux_vis);
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else
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auxvisibilityProp.setDoubleValue(aux_val);
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gui.popupTip(sprintf("Max Visibility: %.0f m", getprop("/local-weather/config/max-vis-range-m")));
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} else {
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val = visibilityProp.getValue() * factor;
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if( val < 1.0 ) val = getprop("/environment/visibility-m");
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if( val > 30 ) {
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visibilityProp.setDoubleValue(val);
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visibilityOverrideProp.setBoolValue(1);
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}
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gui.popupTip(sprintf("Visibility: %.0f m", val));
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}
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}
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##
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# Handler. Reset visibility to default.
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#
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var resetVisibility = func {
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visibilityProp.setDoubleValue(0);
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visibilityOverrideProp.setBoolValue(0);
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}
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var visibilityProp = nil;
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var visibilityOverrideProp = nil;
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var auxvisibilityProp = nil;
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_setlistener("/sim/signals/nasal-dir-initialized", func {
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visibilityProp = props.globals.initNode("/environment/config/presets/visibility-m", 0, "DOUBLE" );
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visibilityOverrideProp = props.globals.initNode("/environment/config/presets/visibility-m-override", 0, "BOOL" );
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auxvisibilityProp = props.globals.initNode("/local-weather/config/aux-max-vis-range-m", 0, "DOUBLE" );
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});
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