move village_owner function to display_context

I would have liked to put it in game_board, but it is needed for
reports so it can't go there

src/actions/move.cpp

@@ -1051,7 +1051,7 @@ namespace { // Private helpers for move_unit()
 			// Village capturing.
 			if ( resources::gameboard->map().is_village(final_loc) ) {
 				// Is this a capture?
-				orig_village_owner = village_owner(final_loc);
+				orig_village_owner = resources::gameboard->village_owner(final_loc);
 				if ( orig_village_owner != current_side_-1 ) {
 					// Captured. Zap movement and take over the village.
 					move_it_->set_movement(0, true);

src/ai/default/ai.cpp

@@ -831,7 +831,7 @@ bool ai_default_recruitment_stage::do_play_stage()
 		// that are closer to us than to other keeps.
 		const std::vector<map_location>& villages = resources::gameboard->map().villages();
 		for(std::vector<map_location>::const_iterator v = villages.begin(); v != villages.end(); ++v) {
-			const int owner = village_owner(*v);
+			const int owner = resources::gameboard->village_owner(*v);
 			if(owner == -1) {
 				const size_t distance = distance_between(start_pos,*v);
 

src/ai/default/contexts.cpp

@@ -114,7 +114,7 @@ int default_ai_context_impl::rate_terrain(const unit& u, const map_location& loc
 	}
 
 	if(map_.is_village(terrain)) {
-		int owner = village_owner(loc) + 1;
+		int owner = resources::gameboard->village_owner(loc) + 1;
 
 		if(owner == get_side()) {
 			rating += friendly_village_value;

src/ai/recruitment/recruitment.cpp

@@ -1445,7 +1445,7 @@ double recruitment::get_estimated_village_gain() const {
 	const gamemap& map = resources::gameboard->map();
 	int neutral_villages = 0;
 	BOOST_FOREACH(const map_location& village, map.villages()) {
-		if (village_owner(village) == -1) {
+		if (resources::gameboard->village_owner(village) == -1) {
 			++neutral_villages;
 		}
 	}
@@ -1710,7 +1710,7 @@ void recruitment::update_scouts_wanted() {
 	// We recruit the initial allocation of scouts
 	// based on how many neutral villages there are.
 	BOOST_FOREACH(const map_location& village, resources::gameboard->map().villages()) {
-		if (village_owner(village) == -1) {
+		if (resources::gameboard->village_owner(village) == -1) {
 			++neutral_villages;
 		}
 	}

src/ai/testing/aspect_attacks.cpp

@@ -375,7 +375,7 @@ int aspect_attacks::rate_terrain(const unit& u, const map_location& loc)
 	}
 
 	if(map_.is_village(terrain)) {
-		int owner = village_owner(loc) + 1;
+		int owner = resources::gameboard->village_owner(loc) + 1;
 
 		if(owner == u.side()) {
 			rating += friendly_village_value;

src/ai/testing/ca.cpp

@@ -246,7 +246,7 @@ void recruitment_phase::execute()
 		// that are closer to us than to other keeps.
 		const std::vector<map_location>& villages = map_.villages();
 		for(std::vector<map_location>::const_iterator v = villages.begin(); v != villages.end(); ++v) {
-			const int owner = village_owner(*v);
+			const int owner = resources::gameboard->village_owner(*v);
 			if(owner == -1) {
 				const size_t distance = distance_between(start_pos,*v);
 

src/display.cpp

@@ -3058,7 +3058,7 @@ bool display::invalidate_locations_in_rect(const SDL_Rect& rect)
 
 void display::invalidate_animations_location(const map_location& loc) {
 	if (get_map().is_village(loc)) {
-		const int owner = village_owner(loc);
+		const int owner = dc_->village_owner(loc);
 		if (owner >= 0 && flags_[owner].need_update()
 		&& (!fogged(loc) || !dc_->teams()[currentTeam_].is_enemy(owner+1))) {
 			invalidate(loc);

src/display_context.cpp

@@ -67,3 +67,18 @@ bool display_context::unit_can_move(const unit &u) const
 	return false;
 }
 
+
+/**
+ * Given the location of a village, will return the 0-based index
+ * of the team that currently owns it, and -1 if it is unowned.
+ */
+int display_context::village_owner(const map_location& loc) const
+{
+	const std::vector<team> & t = teams();
+	for(size_t i = 0; i != t.size(); ++i) {
+		if(t[i].owns_village(loc))
+			return i;
+	}
+	return -1;
+}
+

src/display_context.hpp

@@ -45,6 +45,14 @@ public:
 
 	bool unit_can_move(const unit & u) const;
 
+	// From class team
+
+	/**
+	 * Given the location of a village, will return the 0-based index
+	 * of the team that currently owns it, and -1 if it is unowned.
+	 */
+	int village_owner(const map_location & loc) const;
+
 	// Dtor
 
 	virtual ~display_context() {}

src/menu_events.cpp

@@ -1130,7 +1130,7 @@ void menu_handler::change_side(mouse_handler& mousehandler)
 			return;
 
 		// village_owner returns -1 for free village, so team 0 will get it
-		int team = village_owner(loc) + 1;
+		int team = resources::gameboard->village_owner(loc) + 1;
 		// team is 0-based so team=team::nteams() is not a team
 		// but this will make get_village free it
 		if(team > team::nteams()) {

src/minimap.cpp

@@ -17,6 +17,7 @@
 #include "global.hpp"
 #include "minimap.hpp"
 
+#include "game_board.hpp"
 #include "gettext.hpp"
 #include "image.hpp"
 #include "log.hpp"
@@ -233,7 +234,7 @@ surface getMinimap(int w, int h, const gamemap &map, const team *vw, const std::
 
 			if (terrain_info.is_village() && preferences_minimap_draw_villages) {
 
-				int side = village_owner(loc);
+				int side = resources::gameboard->village_owner(loc);
 
 				SDL_Color col = int_to_color(game_config::team_rgb_range.find("white")->second.min());
 

src/reports.cpp

@@ -1407,7 +1407,7 @@ REPORT_GENERATOR(terrain, rc)
 	std::ostringstream str;
 	if (map.is_village(mouseover_hex))
 	{
-		int owner = village_owner(mouseover_hex) + 1;
+		int owner = rc.dc().village_owner(mouseover_hex) + 1;
 		if (owner == 0 || viewing_team.fogged(mouseover_hex)) {
 			str << map.get_terrain_info(terrain).income_description();
 		} else if (owner == viewing_side) {

src/scripting/lua.cpp

@@ -1440,7 +1440,7 @@ static int intf_get_village_owner(lua_State *L)
 	if (!resources::gameboard->map().is_village(loc))
 		return 0;
 
-	int side = village_owner(loc) + 1;
+	int side = resources::gameboard->village_owner(loc) + 1;
 	if (!side) return 0;
 	lua_pushinteger(L, side);
 	return 1;
@@ -1462,7 +1462,7 @@ static int intf_set_village_owner(lua_State *L)
 	if (!resources::gameboard->map().is_village(loc))
 		return 0;
 
-	int old_side = village_owner(loc) + 1;
+	int old_side = resources::gameboard->village_owner(loc) + 1;
 	if (new_side == old_side
 			|| new_side < 0
 			|| new_side > static_cast<int>(teams.size())

src/team.cpp

@@ -842,20 +842,3 @@ config team::to_config() const
 	write(result);
 	return result;
 }
-
-/**
- * Given the location of a village, will return the 0-based index
- * of the team that currently owns it, and -1 if it is unowned.
- */
-int village_owner(const map_location& loc)
-{
-	if(! teams) {
-		return -1;
-	}
-	for(size_t i = 0; i != teams->size(); ++i) {
-		if((*teams)[i].owns_village(loc))
-			return i;
-	}
-	return -1;
-}
-

src/team.hpp

@@ -381,12 +381,6 @@ namespace teams_manager {
 	const std::vector<team> &get_teams();
 }
 
-/**
- * Given the location of a village, will return the 0-based index
- * of the team that currently owns it, and -1 if it is unowned.
- */
-int village_owner(const map_location& loc);
-
 //FIXME: this global method really needs to be moved into play_controller,
 //or somewhere else that makes sense.
 bool is_observer();

src/terrain_filter.cpp

@@ -289,7 +289,7 @@ bool terrain_filter::match_internal(const map_location& loc, const bool ignore_x
 		side_filter ssf(filter_owner);
 		const std::vector<int>& sides = ssf.get_teams();
 		bool found = false;
-		if(sides.empty() && village_owner(loc) == -1)
+		if(sides.empty() && resources::gameboard->village_owner(loc) == -1)
 			found = true;
 		BOOST_FOREACH(const int side, sides) {
 			if(resources::teams->at(side - 1).owns_village(loc)) {
@@ -302,7 +302,7 @@ bool terrain_filter::match_internal(const map_location& loc, const bool ignore_x
 	}
 	else if(!owner_side.empty()) {
 		const int side_index = owner_side.to_int(0) - 1;
-		if(village_owner(loc) != side_index) {
+		if(resources::gameboard->village_owner(loc) != side_index) {
 			return false;
 		}
 	}