add Duel.GetLinkedZone (#88)

interpreter.cpp

@@ -408,6 +408,7 @@ static const struct luaL_Reg duellib[] = {
 	{ "CheckSummonedCount", scriptlib::duel_check_summon_count },
 	{ "GetLocationCount", scriptlib::duel_get_location_count },
 	{ "GetLocationCountFromEx", scriptlib::duel_get_location_count_fromex },
+	{ "GetLinkedZone", scriptlib::duel_get_linked_zone },
 	{ "GetFieldCard", scriptlib::duel_get_field_card },
 	{ "CheckLocation", scriptlib::duel_check_location },
 	{ "GetCurrentChain", scriptlib::duel_get_current_chain },

libduel.cpp

@@ -1533,6 +1533,15 @@ int32 scriptlib::duel_get_location_count_fromex(lua_State *L) {
 	}
 	return 2;
 }
+int32 scriptlib::duel_get_linked_zone(lua_State *L) {
+	check_param_count(L, 1);
+	uint32 playerid = lua_tointeger(L, 1);
+	if(playerid != 0 && playerid != 1)
+		return 0;
+	duel* pduel = interpreter::get_duel_info(L);
+	lua_pushinteger(L, pduel->game_field->get_linked_zone(playerid));
+	return 1;
+}
 int32 scriptlib::duel_get_field_card(lua_State *L) {
 	check_param_count(L, 3);
 	uint32 playerid = lua_tointeger(L, 1);

scriptlib.h

@@ -405,6 +405,7 @@ public:
 	static int32 duel_check_summon_count(lua_State *L);
 	static int32 duel_get_location_count(lua_State *L);
 	static int32 duel_get_location_count_fromex(lua_State *L);
+	static int32 duel_get_linked_zone(lua_State *L);
 	static int32 duel_get_field_card(lua_State *L);
 	static int32 duel_check_location(lua_State *L);
 	static int32 duel_get_current_chain(lua_State *L);