fixed adjacent units to update if unit affects them

changelog

@@ -44,6 +44,7 @@ Version 1.3.14+svn:
    * Made unit to hideable by others units (bug #10877)
    * Make wesnoth work properly again if the datadir contains ../
    * Fixed some type of addon not being uninstallable (bug #10788)
+   * fixed adjacent units to update if unit affects them
    * converted NO_MAP_DATA to new map format
    * fixed unchecked vector access
    * make sure the python campaign client list shows a space between the 

src/unit.cpp

@@ -1918,6 +1918,15 @@ std::set<gamemap::location> unit::overlaps(const gamemap::location &loc) const
 		}
 	}
 
+	if (abilities_affects_adjacent())
+	{
+		gamemap::location arr[6];
+		get_adjacent_tiles(loc, arr);
+		for (unsigned int i = 0; i < 6; i++) {
+			over.insert(arr[i]);
+		}
+	}
+
 	return over;
 }
 

src/unit.hpp

@@ -252,6 +252,7 @@ public:
 	std::vector<std::string> ability_tooltips(const gamemap::location& loc) const;
 	std::vector<std::string> unit_ability_tooltips() const;
 	bool has_ability_type(const std::string& ability) const;
+	bool abilities_affects_adjacent() const;
 
 	void reset_modifications();
 	void backup_state();

src/unit_abilities.cpp

@@ -195,6 +195,14 @@ unit_ability_list unit::get_abilities(const std::string& ability, const gamemap:
 	return res;
 }
 
+bool unit::abilities_affects_adjacent() const
+{
+	if (cfg_.child("abilities")
+		&& cfg_.child("abilities")->child("affects_adjacent"))
+		return true;
+	return false;
+}
+
 std::vector<std::string> unit::unit_ability_tooltips() const
 {
 	std::vector<std::string> res;