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+/* $Id$ */
+
+/*
+ * 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_properties.h Properties of NewGRF Action 0. */
+
+#ifndef NEWGRF_PROPERTIES_H
+#define NEWGRF_PROPERTIES_H
+
+/**
+ * List of NewGRF properties used in Action 0 or Callback 0x36 (CBID_VEHICLE_MODIFY_PROPERTY).
+ * Names are formatted as PROP_<CLASS>_<NAME>
+ * @todo Currently the list only contains properties which are used more than once in the code. I.e. they are available for callback 0x36.
+ */
+enum PropertyID {
+ PROP_TRAIN_SPEED = 0x09, ///< Max. speed: 1 unit = 1/1.6 mph = 1 km-ish/h
+ PROP_TRAIN_POWER = 0x0B, ///< Power in hp (if dualheaded: sum of both vehicles)
+ PROP_TRAIN_RUNNING_COST_FACTOR = 0x0D, ///< Yearly runningcost (if dualheaded: sum of both vehicles)
+ PROP_TRAIN_CARGO_CAPACITY = 0x14, ///< Capacity (if dualheaded: for each single vehicle)
+ PROP_TRAIN_WEIGHT = 0x16, ///< Weight in t (if dualheaded: for each single vehicle)
+ PROP_TRAIN_COST_FACTOR = 0x17, ///< Purchase cost (if dualheaded: sum of both vehicles)
+ PROP_TRAIN_TRACTIVE_EFFORT = 0x1F, ///< Tractive effort coefficient in 1/256
+ PROP_TRAIN_USER_DATA = 0x25, ///< User defined data for vehicle variable 0x42
+
+ PROP_ROADVEH_CARGO_CAPACITY = 0x0F, ///< Capacity
+ PROP_ROADVEH_COST_FACTOR = 0x11, ///< Purchase cost
+
+ PROP_SHIP_COST_FACTOR = 0x0A, ///< Purchase cost
+ PROP_SHIP_SPEED = 0x0B, ///< Max. speed: 1 unit = 1/3.2 mph = 0.5 km-ish/h
+ PROP_SHIP_CARGO_CAPACITY = 0x0D, ///< Capacity
+ PROP_SHIP_RUNNING_COST_FACTOR = 0x0F, ///< Yearly runningcost
+
+ PROP_AIRCRAFT_COST_FACTOR = 0x0B, ///< Purchase cost
+ PROP_AIRCRAFT_SPEED = 0x0C, ///< Max. speed: 1 unit = 8 mph = 12.8 km-ish/h
+ PROP_AIRCRAFT_RUNNING_COST_FACTOR = 0x0E, ///< Yearly runningcost
+};
+
+#endif /* NEWGRF_PROPERTIES_H */