(svn r11677) -Codechange: move price and command related types/functions to their respective places.

1 files changed, 341 insertions, 0 deletions

diff --git a/src/command_type.h b/src/command_type.h
new file mode 100644
index 000000000..d2a7571e9
--- /dev/null
+++ b/src/command_type.h
@@ -0,0 +1,341 @@
+/* $Id$ */
+
+/** @file command_type.h Types related to commands. */
+
+#ifndef COMMAND_TYPE_H
+#define COMMAND_TYPE_H
+
+#include "economy_type.h"
+#include "strings_type.h"
+
+/**
+ * Common return value for all commands. Wraps the cost and
+ * a possible error message/state together.
+ */
+class CommandCost {
+	Money cost;       ///< The cost of this action
+	StringID message; ///< Warning message for when success is unset
+	bool success;     ///< Whether the comment went fine up to this moment
+
+public:
+	/**
+	 * Creates a command cost return with no cost and no error
+	 */
+	CommandCost() : cost(0), message(INVALID_STRING_ID), success(true) {}
+
+	/**
+	 * Creates a command return value the is failed with the given message
+	 */
+	CommandCost(StringID msg) : cost(0), message(msg), success(false) {}
+
+	/**
+	 * Creates a command return value with the given start cost
+	 * @param cst the initial cost of this command
+	 */
+	CommandCost(Money cst) : cost(cst), message(INVALID_STRING_ID), success(true) {}
+
+	/**
+	 * Adds the cost of the given command return value to this cost.
+	 * Also takes a possible error message when it is set.
+	 * @param ret the command to add the cost of.
+	 * @return this class.
+	 */
+	CommandCost AddCost(CommandCost ret);
+
+	/**
+	 * Adds the given cost to the cost of the command.
+	 * @param cost the cost to add
+	 * @return this class.
+	 */
+	CommandCost AddCost(Money cost);
+
+	/**
+	 * Multiplies the cost of the command by the given factor.
+	 * @param cost factor to multiply the costs with
+	 * @return this class
+	 */
+	CommandCost MultiplyCost(int factor);
+
+	/**
+	 * The costs as made up to this moment
+	 * @return the costs
+	 */
+	Money GetCost() const;
+
+	/**
+	 * Sets the global error message *if* this class has one.
+	 */
+	void SetGlobalErrorMessage() const;
+
+	/**
+	 * Did this command succeed?
+	 * @return true if and only if it succeeded
+	 */
+	bool Succeeded() const;
+
+	/**
+	 * Did this command fail?
+	 * @return true if and only if it failed
+	 */
+	bool Failed() const;
+};
+
+/**
+ * List of commands.
+ *
+ * This enum defines all possible commands which can be executed to the game
+ * engine. Observing the game like the query-tool or checking the profit of a
+ * vehicle don't result in a command which should be executed in the engine
+ * nor send to the server in a network game.
+ *
+ * @see _command_proc_table
+ */
+enum {
+	CMD_BUILD_RAILROAD_TRACK         =   0, ///< build a rail track
+	CMD_REMOVE_RAILROAD_TRACK        =   1, ///< remove a rail track
+	CMD_BUILD_SINGLE_RAIL            =   2, ///< build a single rail track
+	CMD_REMOVE_SINGLE_RAIL           =   3, ///< remove a single rail track
+	CMD_LANDSCAPE_CLEAR              =   4, ///< demolish a tile
+	CMD_BUILD_BRIDGE                 =   5, ///< build a bridge
+	CMD_BUILD_RAILROAD_STATION       =   6, ///< build a railroad station
+	CMD_BUILD_TRAIN_DEPOT            =   7, ///< build a train depot
+	CMD_BUILD_SIGNALS                =   8, ///< build a signal
+	CMD_REMOVE_SIGNALS               =   9, ///< remove a signal
+	CMD_TERRAFORM_LAND               =  10, ///< terraform a tile
+	CMD_PURCHASE_LAND_AREA           =  11, ///< purchase a tile
+	CMD_SELL_LAND_AREA               =  12, ///< sell a bought tile before
+	CMD_BUILD_TUNNEL                 =  13, ///< build a tunnel
+
+	CMD_REMOVE_FROM_RAILROAD_STATION =  14, ///< remove a tile station
+	CMD_CONVERT_RAIL                 =  15, ///< convert a rail type
+
+	CMD_BUILD_TRAIN_WAYPOINT         =  16, ///< build a waypoint
+	CMD_RENAME_WAYPOINT              =  17, ///< rename a waypoint
+	CMD_REMOVE_TRAIN_WAYPOINT        =  18, ///< remove a waypoint
+
+	CMD_BUILD_ROAD_STOP              =  21, ///< build a road stop
+	CMD_REMOVE_ROAD_STOP             =  22, ///< remove a road stop
+	CMD_BUILD_LONG_ROAD              =  23, ///< build a complete road (not a "half" one)
+	CMD_REMOVE_LONG_ROAD             =  24, ///< remove a complete road (not a "half" one)
+	CMD_BUILD_ROAD                   =  25, ///< build a "half" road
+	CMD_REMOVE_ROAD                  =  26, ///< remove a "half" road
+	CMD_BUILD_ROAD_DEPOT             =  27, ///< build a road depot
+
+	CMD_BUILD_AIRPORT                =  29, ///< build an airport
+
+	CMD_BUILD_DOCK                   =  30, ///< build a dock
+
+	CMD_BUILD_SHIP_DEPOT             =  31, ///< build a ship depot
+	CMD_BUILD_BUOY                   =  32, ///< build a buoy
+
+	CMD_PLANT_TREE                   =  33, ///< plant a tree
+
+	CMD_BUILD_RAIL_VEHICLE           =  34, ///< build a rail vehicle
+	CMD_MOVE_RAIL_VEHICLE            =  35, ///< move a rail vehicle (in the depot)
+
+	CMD_START_STOP_TRAIN             =  36, ///< start or stop a train
+
+	CMD_SELL_RAIL_WAGON              =  38, ///< sell a rail wagon
+
+	CMD_SEND_TRAIN_TO_DEPOT          =  39, ///< send a train to a depot
+	CMD_FORCE_TRAIN_PROCEED          =  40, ///< proceed a train to pass a red signal
+	CMD_REVERSE_TRAIN_DIRECTION      =  41, ///< turn a train around
+
+	CMD_MODIFY_ORDER                 =  42, ///< modify an order (like set full-load)
+	CMD_SKIP_TO_ORDER                =  43, ///< skip an order to the next of specific one
+	CMD_DELETE_ORDER                 =  44, ///< delete an order
+	CMD_INSERT_ORDER                 =  45, ///< insert a new order
+
+	CMD_CHANGE_SERVICE_INT           =  46, ///< change the server interval of a vehicle
+
+	CMD_BUILD_INDUSTRY               =  47, ///< build a new industry
+
+	CMD_BUILD_COMPANY_HQ             =  48, ///< build the company headquarter
+	CMD_SET_PLAYER_FACE              =  49, ///< set the face of the player/company
+	CMD_SET_PLAYER_COLOR             =  50, ///< set the color of the player/company
+
+	CMD_INCREASE_LOAN                =  51, ///< increase the loan from the bank
+	CMD_DECREASE_LOAN                =  52, ///< decrease the loan from the bank
+
+	CMD_WANT_ENGINE_PREVIEW          =  53, ///< confirm the preview of an engine
+
+	CMD_NAME_VEHICLE                 =  54, ///< rename a whole vehicle
+	CMD_RENAME_ENGINE                =  55, ///< rename a engine (in the engine list)
+	CMD_CHANGE_COMPANY_NAME          =  56, ///< change the company name
+	CMD_CHANGE_PRESIDENT_NAME        =  57, ///< change the president name
+	CMD_RENAME_STATION               =  58, ///< rename a station
+
+	CMD_SELL_AIRCRAFT                =  59, ///< sell an aircraft
+	CMD_START_STOP_AIRCRAFT          =  60, ///< start/stop an aircraft
+	CMD_BUILD_AIRCRAFT               =  61, ///< build an aircraft
+	CMD_SEND_AIRCRAFT_TO_HANGAR      =  62, ///< send an aircraft to a hanger
+	CMD_REFIT_AIRCRAFT               =  64, ///< refit the cargo space of an aircraft
+
+	CMD_PLACE_SIGN                   =  65, ///< place a sign
+	CMD_RENAME_SIGN                  =  66, ///< rename a sign
+
+	CMD_BUILD_ROAD_VEH               =  67, ///< build a road vehicle
+	CMD_START_STOP_ROADVEH           =  68, ///< start/stop a road vehicle
+	CMD_SELL_ROAD_VEH                =  69, ///< sell a road vehicle
+	CMD_SEND_ROADVEH_TO_DEPOT        =  70, ///< send a road vehicle to the depot
+	CMD_TURN_ROADVEH                 =  71, ///< turn a road vehicle around
+	CMD_REFIT_ROAD_VEH               =  72, ///< refit the cargo space of a road vehicle
+
+	CMD_PAUSE                        =  73, ///< pause the game
+
+	CMD_BUY_SHARE_IN_COMPANY         =  74, ///< buy a share from a company
+	CMD_SELL_SHARE_IN_COMPANY        =  75, ///< sell a share from a company
+	CMD_BUY_COMPANY                  =  76, ///< buy a company which is bankrupt
+
+	CMD_BUILD_TOWN                   =  77, ///< build a town
+
+	CMD_RENAME_TOWN                  =  80, ///< rename a town
+	CMD_DO_TOWN_ACTION               =  81, ///< do a action from the town detail window (like advertises or bribe)
+
+	CMD_SET_ROAD_DRIVE_SIDE          =  82, ///< set the side where the road vehicles drive
+
+	CMD_CHANGE_DIFFICULTY_LEVEL      =  85, ///< change the difficult of a game (each setting for it own)
+
+	CMD_START_STOP_SHIP              =  86, ///< start/stop a ship
+	CMD_SELL_SHIP                    =  87, ///< sell a ship
+	CMD_BUILD_SHIP                   =  88, ///< build a new ship
+	CMD_SEND_SHIP_TO_DEPOT           =  89, ///< send a ship to a depot
+	CMD_REFIT_SHIP                   =  91, ///< refit the cargo space of a ship
+
+	CMD_ORDER_REFIT                  =  98, ///< change the refit informaction of an order (for "goto depot" )
+	CMD_CLONE_ORDER                  =  99, ///< clone (and share) an order
+	CMD_CLEAR_AREA                   = 100, ///< clear an area
+
+	CMD_MONEY_CHEAT                  = 102, ///< do the money cheat
+	CMD_BUILD_CANAL                  = 103, ///< build a canal
+
+	CMD_PLAYER_CTRL                  = 104, ///< used in multiplayer to create a new player etc.
+	CMD_LEVEL_LAND                   = 105, ///< level land
+
+	CMD_REFIT_RAIL_VEHICLE           = 106, ///< refit the cargo space of a train
+	CMD_RESTORE_ORDER_INDEX          = 107, ///< restore vehicle order-index and service interval
+	CMD_BUILD_LOCK                   = 108, ///< build a lock
+
+	CMD_BUILD_SIGNAL_TRACK           = 110, ///< add signals along a track (by dragging)
+	CMD_REMOVE_SIGNAL_TRACK          = 111, ///< remove signals along a track (by dragging)
+
+	CMD_GIVE_MONEY                   = 113, ///< give money to an other player
+	CMD_CHANGE_PATCH_SETTING         = 114, ///< change a patch setting
+
+	CMD_SET_AUTOREPLACE              = 115, ///< set an autoreplace entry
+
+	CMD_CLONE_VEHICLE                = 116, ///< clone a vehicle
+	CMD_MASS_START_STOP              = 117, ///< start/stop all vehicles (in a depot)
+	CMD_DEPOT_SELL_ALL_VEHICLES      = 118, ///< sell all vehicles which are in a given depot
+	CMD_DEPOT_MASS_AUTOREPLACE       = 119, ///< force the autoreplace to take action in a given depot
+
+	CMD_CREATE_GROUP                 = 120, ///< create a new group
+	CMD_DELETE_GROUP                 = 121, ///< delete a group
+	CMD_RENAME_GROUP                 = 122, ///< rename a group
+	CMD_ADD_VEHICLE_GROUP            = 123, ///< add a vehicle to a group
+	CMD_ADD_SHARED_VEHICLE_GROUP     = 124, ///< add all other shared vehicles to a group which are missing
+	CMD_REMOVE_ALL_VEHICLES_GROUP    = 125, ///< remove all vehicles from a group
+	CMD_SET_GROUP_REPLACE_PROTECTION = 126, ///< set the autoreplace-protection for a group
+
+	CMD_MOVE_ORDER                   = 127, ///< move an order
+	CMD_CHANGE_TIMETABLE             = 128, ///< change the timetable for a vehicle
+	CMD_SET_VEHICLE_ON_TIME          = 129, ///< set the vehicle on time feature (timetable)
+	CMD_AUTOFILL_TIMETABLE           = 130, ///< autofill the timetable
+};
+
+/**
+ * List of flags for a command.
+ *
+ * This enums defines some flags which can be used for the commands.
+ */
+enum {
+	DC_EXEC            = 0x01, ///< execute the given command
+	DC_AUTO            = 0x02, ///< don't allow building on structures
+	DC_QUERY_COST      = 0x04, ///< query cost only,  don't build.
+	DC_NO_WATER        = 0x08, ///< don't allow building on water
+	DC_NO_RAIL_OVERLAP = 0x10, ///< don't allow overlap of rails (used in buildrail)
+	DC_AI_BUILDING     = 0x20, ///< special building rules for AI
+	DC_NO_TOWN_RATING  = 0x40, ///< town rating does not disallow you from building
+	DC_FORCETEST       = 0x80, ///< force test too.
+};
+
+/**
+ * Used to combine a StringID with the command.
+ *
+ * This macro can be used to add a StringID (the error message to show) on a command-id
+ * (CMD_xxx). Use the binary or-operator "|" to combine the command with the result from
+ * this macro.
+ *
+ * @param x The StringID to combine with a command-id
+ */
+#define CMD_MSG(x) ((x) << 16)
+
+/**
+ * Defines some flags.
+ *
+ * This enumeration defines some flags which are binary-or'ed on a command.
+ */
+enum {
+	CMD_NO_WATER              = 0x0400, ///< dont build on water
+	CMD_NETWORK_COMMAND       = 0x0800, ///< execute the command without sending it on the network
+	CMD_NO_TEST_IF_IN_NETWORK = 0x1000, ///< When enabled, the command will bypass the no-DC_EXEC round if in network
+	CMD_SHOW_NO_ERROR         = 0x2000, ///< do not show the error message
+};
+
+/**
+ * Command flags for the command table _command_proc_table.
+ *
+ * This enumeration defines flags for the _command_proc_table.
+ */
+enum {
+	CMD_SERVER  = 0x1, ///< the command can only be initiated by the server
+	CMD_OFFLINE = 0x2, ///< the command cannot be executed in a multiplayer game; single-player only
+	CMD_AUTO    = 0x4, ///< set the DC_AUTO flag on this command
+};
+
+/**
+ * Defines the callback type for all command handler functions.
+ *
+ * This type defines the function header for all functions which handles a CMD_* command.
+ * A command handler use the parameters to act according to the meaning of the command.
+ * The tile parameter defines the tile to perform an action on.
+ * The flag parameter is filled with flags from the DC_* enumeration. The parameters
+ * p1 and p2 are filled with parameters for the command like "which road type", "which
+ * order" or "direction". Each function should mentioned in there doxygen comments
+ * the usage of these parameters.
+ *
+ * @param tile The tile to apply a command on
+ * @param flags Flags for the command, from the DC_* enumeration
+ * @param p1 Additional data for the command
+ * @param p2 Additional data for the command
+ * @return The CommandCost of the command, which can be succeeded or failed.
+ */
+typedef CommandCost CommandProc(TileIndex tile, uint32 flags, uint32 p1, uint32 p2);
+
+/**
+ * Define a command with the flags which belongs to it.
+ *
+ * This struct connect a command handler function with the flags created with
+ * the #CMD_AUTO, #CMD_OFFLINE and #CMD_SERVER values.
+ */
+struct Command {
+	CommandProc *proc;
+	byte flags;
+};
+
+/**
+ * Define a callback function for the client, after the command is finished.
+ *
+ * Functions of this type are called after the command is finished. The parameters
+ * are from the #CommandProc callback type. The boolean parameter indicates if the
+ * command succeeded or failed.
+ *
+ * @param success If the command succeeded or not.
+ * @param tile The tile of the command action
+ * @param p1 Additional data of the command
+ * @param p1 Additional data of the command
+ * @see CommandProc
+ */
+typedef void CommandCallback(bool success, TileIndex tile, uint32 p1, uint32 p2);
+
+#endif /* COMMAND_TYPE_H */