Files
@ r12405:ba094e765533
Branch filter:
Location: cpp/openttd-patchpack/source/src/command_func.h
r12405:ba094e765533
3.0 KiB
text/x-c
(svn r16849) -Codechange: replace GetCargo() by CargoSpec::Get()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /* $Id$ */
/** @file command_func.h Functions related to commands. */
#ifndef COMMAND_FUNC_H
#define COMMAND_FUNC_H
#include "command_type.h"
/**
* Checks if a command failes.
*
* As you see the parameter is not a command but the return value of a command,
* the CommandCost class. This function checks if the command executed by
* the CommandProc function failed and returns true if it does.
*
* @param cost The return value of a CommandProc call
* @return true if the command failes
* @see CmdSucceded
*/
static inline bool CmdFailed(CommandCost cost) { return cost.Failed(); }
/**
* Checks if a command succeeded.
*
* As #CmdFailed this function checks if a command succeeded
*
* @param cost The return value of a CommandProc call
* @return true if the command succeeded
* @see CmdSucceeded
*/
static inline bool CmdSucceeded(CommandCost cost) { return cost.Succeeded(); }
/**
* Define a default return value for a failed command.
*
* This variable contains a CommandCost object with is declared as "failed".
* Other functions just need to return this error if there is an error,
* which doesn't need to specific by a StringID.
*/
static const CommandCost CMD_ERROR = CommandCost(INVALID_STRING_ID);
/**
* Returns from a function with a specific StringID as error.
*
* This macro is used to return from a function. The parameter contains the
* StringID which will be returned.
*
* @param errcode The StringID to return
*/
#define return_cmd_error(errcode) return CommandCost(errcode);
/**
* Execute a command
*/
CommandCost DoCommand(TileIndex tile, uint32 p1, uint32 p2, DoCommandFlag flags, uint32 cmd, const char *text = NULL);
CommandCost DoCommand(const CommandContainer *container, DoCommandFlag flags);
/**
* Execute a network safe DoCommand function
*/
bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback = NULL, const char *text = NULL, bool my_cmd = true);
bool DoCommandP(const CommandContainer *container, bool my_cmd = true);
#ifdef ENABLE_NETWORK
/**
* Send a command over the network
*/
void NetworkSend_Command(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback, const char *text);
#endif /* ENABLE_NETWORK */
extern Money _additional_cash_required;
extern StringID _error_message;
/**
* Checks if a integer value belongs to a command.
*/
bool IsValidCommand(uint32 cmd);
/**
* Returns the flags from a given command.
*/
byte GetCommandFlags(uint32 cmd);
/**
* Returns the current money available which can be used for a command.
*/
Money GetAvailableMoneyForCommand();
/**
* Extracts the DC flags needed for DoCommand from the flags returned by GetCommandFlags
* @param cmd_flags Flags from GetCommandFlags
* @return flags for DoCommand
*/
static inline DoCommandFlag CommandFlagsToDCFlags(uint cmd_flags)
{
DoCommandFlag flags = DC_NONE;
if (cmd_flags & CMD_NO_WATER) flags |= DC_NO_WATER;
if (cmd_flags & CMD_AUTO) flags |= DC_AUTO;
if (cmd_flags & CMD_ALL_TILES) flags |= DC_ALL_TILES;
return flags;
}
#endif /* COMMAND_FUNC_H */
|