Add 4 custom location feature

src/celengine/location.cpp

@@ -90,6 +90,10 @@ FeatureNameEntry FeatureNames[] =
     { "Observatory", Location::Observatory },
     { "Landing Site", Location::LandingSite },
     { "Crater", Location::Crater },
+    { "Capital", Location::Capital},
+    { "Cosmodrome", Location::Cosmodrome},
+    { "Trench", Location::Trench},
+    { "Historical", Location::Historical},
 };
 
 

src/celengine/location.h

@@ -51,9 +51,11 @@ class Location
 
     enum FeatureType : uint64_t
     {
+        // Custom locations, part I
         City           = 0x0000000000000001,
         Observatory    = 0x0000000000000002,
         LandingSite    = 0x0000000000000004,
+        // Standard locations
         Crater         = 0x0000000000000008,
         Vallis         = 0x0000000000000010,
         Mons           = 0x0000000000000020,
@@ -110,6 +112,11 @@ class Location
         Vastitas       = 0x0100000000000000,
         Virga          = 0x0200000000000000,
         Saxum          = 0x0400000000000000,
+        // Custom locations, part II
+        Capital        = 0x0800000000000000,
+        Cosmodrome     = 0x1000000000000000,
+        Trench         = 0x2000000000000000, // Tectonical trench
+        Historical     = 0x4000000000000000,
         Other          = 0x8000000000000000,
     };
 

src/celestia/celx.cpp

@@ -234,6 +234,10 @@ void CelxLua::initLocationFlagMap()
     LocationFlagMap["virga"] = Location::Virga;
     LocationFlagMap["other"] = Location::Other;
     LocationFlagMap["saxum"] = Location::Saxum;
+    LocationFlagMap["capital"] = Location::Capital;
+    LocationFlagMap["cosmodrome"] = Location::Cosmodrome;
+    LocationFlagMap["trench"] = Location::Trench;
+    LocationFlagMap["historical"] = Location::Historical;
 }
 
 void CelxLua::initOverlayElementMap()