(svn r19205) -Codechange: move AirportSpec to newgrf_airport.h/cpp

src/newgrf_airport.cpp

@@ -0,0 +1,39 @@
+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD 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, version 2.
+ * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file newgrf_airport.h NewGRF handling of airports. */
+
+#include "stdafx.h"
+#include "airport.h"
+#include "newgrf_airport.h"
+#include "date_func.h"
+#include "settings_type.h"
+
+AirportSpec AirportSpec::dummy = {NULL, NULL, 0, 0, 0, 0, 0, MIN_YEAR, MIN_YEAR};
+AirportSpec AirportSpec::oilrig = {NULL, NULL, 0, 1, 1, 0, 4, MIN_YEAR, MIN_YEAR};
+
+/**
+ * Retrieve airport spec for the given airport
+ * @param type index of airport
+ * @return A pointer to the corresponding AirportSpec
+ */
+/* static */ const AirportSpec *AirportSpec::Get(byte type)
+{
+	if (type == AT_OILRIG) return &oilrig;
+	assert(type < NUM_AIRPORTS);
+	extern const AirportSpec _origin_airport_specs[];
+	return &_origin_airport_specs[type];
+}
+
+bool AirportSpec::IsAvailable() const
+{
+	if (_cur_year < this->min_year) return false;
+	if (_settings_game.station.never_expire_airports) return true;
+	return _cur_year <= this->max_year;
+}