fix(scenery): binary terrain files named by terrain directives loaded once and only as a complete set, with fallback on the default SBT or the text files; default SBT no longer ignored and rewritten on every load

utilities/Globals.h

@@ -89,6 +89,7 @@ struct global_settings {
     int iConvertIndexRange{ 1000 }; // range of duplicate vertex scan
     bool file_binary_terrain{ true }; // enable binary terrain (de)serialization
 	bool file_binary_terrain_state{true};
+	int file_binary_terrain_skipped{0}; // number of terrain includes left out by the parser during the current scenery load
     // logs
 	bool priorityLoadText3D{false}; // ladowanie T3D priorytetowo
     int iWriteLogEnabled{ 3 }; // maska bitowa: 1-zapis do pliku, 2-okienko, 4-nazwy torów

utilities/parser.cpp

@@ -356,6 +356,7 @@ void cParser::startIncludeFromParser(cParser& srcParser, bool ToLower, std::stri
 	if (isTerrain && true == Global.file_binary_terrain_state) {
 		WriteLog("SBT found, ignoring: " + includefile);
 		readParameters(srcParser); // preserve original side-effect: still consume parameters
+		++Global.file_binary_terrain_skipped;
 		if (sceneryLayers)
 		{
 			// the file is still a part of the scenery, even though its content comes from the binary terrain file