first commit

2022-10-20 20:29:11 +08:00
commit 4d531f8044
3238 changed files with 1387862 additions and 0 deletions
@@ -0,0 +1,156 @@
+// navlist.hxx -- navaids management class
+//
+// Written by Curtis Olson, started April 2000.
+//
+// Copyright (C) 2000  Curtis L. Olson - http://www.flightgear.org/~curt
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+// $Id$
+
+
+#ifndef _FG_NAVLIST_HXX
+#define _FG_NAVLIST_HXX
+
+
+#include <simgear/compiler.h>
+
+#include <simgear/structure/SGSharedPtr.hxx>
+
+#include <map>
+#include <vector>
+#include <string>
+
+#include "navrecord.hxx"
+
+// forward decls
+class SGGeod;
+
+// FGNavList ------------------------------------------------------------------
+
+typedef SGSharedPtr<FGNavRecord> nav_rec_ptr;
+typedef std::vector < nav_rec_ptr > nav_list_type;
+
+class FGNavList
+{
+public:
+  class TypeFilter : public FGPositioned::Filter
+  {
+  public:
+    TypeFilter( const FGPositioned::Type type = FGPositioned::INVALID );
+    TypeFilter( const FGPositioned::Type minType,
+                const FGPositioned::Type maxType );
+    
+    /**
+     * Construct from string containing type
+     *
+     * @param type One of "fix"|"vor"|"ndb"|"ils"|"dme"|"tacan"|"any"
+     */
+    bool fromTypeString(const std::string& type);
+    
+    virtual FGPositioned::Type minType() const { return _mintype; }
+    virtual FGPositioned::Type maxType() const { return _maxtype; }
+    
+  protected:
+    FGPositioned::Type _mintype;
+    FGPositioned::Type _maxtype;
+  };
+  
+  /**
+   filter matching VOR & ILS/LOC transmitters
+   */
+  static TypeFilter* navFilter();
+  
+  /**
+    * filter matching ILS/LOC transmitter
+   */
+  static TypeFilter* locFilter();
+  
+  static TypeFilter* ndbFilter();
+  
+  /**
+   * Filter returning TACANs and VORTACs
+   */
+  static TypeFilter* tacanFilter();
+  
+  
+  static TypeFilter* mobileTacanFilter();
+  
+    /** Query the database for the specified station.  It is assumed
+      * that there will be multiple stations with matching frequencies
+      * so a position must be specified.
+      */
+    static FGNavRecordRef findByFreq( double freq, const SGGeod& position,
+                                   TypeFilter* filter = nullptr);
+
+    /**
+     * Overloaded version above - no positioned supplied so can be used with
+     * mobile TACANs which have no valid position. The first match is
+     * returned only.
+     */
+    static FGNavRecordRef findByFreq( double freq, TypeFilter* filter = NULL);
+  
+    static nav_list_type findAllByFreq( double freq, const SGGeod& position,
+                                       TypeFilter* filter = NULL);
+  
+    // Given an Ident and optional frequency and type ,
+    // return a list of matching stations.
+    static nav_list_type findByIdentAndFreq( const std::string& ident,
+                                             const double freq,
+                                            TypeFilter* filter = NULL);
+
+    // Given an Ident and optional frequency and type ,
+    // return a list of matching stations sorted by distance to the given position
+    static nav_list_type findByIdentAndFreq( const SGGeod & position,
+        const std::string& ident, const double freq = 0.0,
+                                            TypeFilter* filter = NULL);
+  
+  };
+
+
+// FGTACANList ----------------------------------------------------------------
+
+
+typedef SGSharedPtr<FGTACANRecord> tacan_rec_ptr;
+typedef std::vector < tacan_rec_ptr > tacan_list_type;
+typedef std::map < int, tacan_list_type > tacan_map_type;
+typedef std::map < std::string, tacan_list_type > tacan_ident_map_type;
+
+class FGTACANList {
+
+    tacan_list_type channellist;
+    tacan_map_type channels;
+    tacan_ident_map_type ident_channels;
+
+public:
+
+    FGTACANList();
+    ~FGTACANList();
+
+    // initialize the TACAN list
+    bool init();
+
+    // add an entry
+    bool add( FGTACANRecord *r );
+
+    // Given a TACAN Channel, return the appropriate frequency.
+    FGTACANRecord *findByChannel(const std::string& channel);
+
+    // Given a TACAN Channel, return the appropriate frequency.
+    FGTACANRecord *findByFrequency(int frequency_kHz);
+
+
+};
+#endif // _FG_NAVLIST_HXX