fix: sky and cockpit to turn black
Metar sky condition without base layer height (e.g. FEW///) is the cause of this issue. Randomize the base layer height when the actual height is unknown.
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@ -46,6 +46,7 @@
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#include <sstream>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/math/sg_random.h>
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#include <simgear/structure/exception.hxx>
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#include "metar.hxx"
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@ -1069,9 +1070,12 @@ bool SGMetar::scanSkyCondition()
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return false;
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m += i;
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if (!strncmp(m, "///", 3)) // vis not measurable (e.g. because of heavy snowing)
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if (!strncmp(m, "///", 3)) { // vis not measurable (e.g. because of heavy snowing)
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m += 3, i = -1;
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else if (scanBoundary(&m)) {
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sg_srandom_time();
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// randomize the base height to avoid the black sky issue
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i = 50 + static_cast<int>(sg_random() * 250.0); // range [5,000, 30,000]
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} else if (scanBoundary(&m)) {
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_m = m;
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return true; // ignore single OVC/BKN/...
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} else if (!scanNumber(&m, &i, 3))
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