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Code Issues

(svn r14889) -Codechange: replace some magic numbers with constants.

release/0.7
rubidium 2009-01-07 13:26:48 +00:00
parent bfc840f436
commit cb81e637b0
2 changed files with 14 additions and 10 deletions
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22
src/command.cpp
View File

@ -350,7 +350,7 @@ static const Command _command_proc_table[] = {
*/
bool IsValidCommand(uint32 cmd)
{
cmd &= 0xFF;
cmd &= CMD_ID_MASK;
return
cmd < lengthof(_command_proc_table) &&
@ -358,7 +358,7 @@ bool IsValidCommand(uint32 cmd)
}
/*!
* This function mask the parameter with 0xFF and returns
* This function mask the parameter with CMD_ID_MASK and returns
* the flags which belongs to the given command.
*
* @param cmd The integer value of the command
@ -368,7 +368,7 @@ byte GetCommandFlags(uint32 cmd)
{
assert(IsValidCommand(cmd));
return _command_proc_table[cmd & 0xFF].flags;
return _command_proc_table[cmd & CMD_ID_MASK].flags;
}
static int _docommand_recursive = 0;
@ -503,8 +503,9 @@ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallbac
if (cmd & CMD_NO_WATER) flags |= DC_NO_WATER;
/* get pointer to command handler */
assert((cmd & 0xFF) < lengthof(_command_proc_table));
proc = _command_proc_table[cmd & 0xFF].proc;
byte cmd_id = cmd & CMD_ID_MASK;
assert(cmd_id < lengthof(_command_proc_table));
proc = _command_proc_table[cmd_id].proc;
if (proc == NULL) return false;
if (GetCommandFlags(cmd) & CMD_AUTO) flags |= DC_AUTO;
@ -521,11 +522,12 @@ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallbac
* CMD_CLONE_VEHICLE: Both building new vehicles and refitting them can be
* influenced by newgrf callbacks, which makes it impossible to accurately
* estimate the cost of cloning a vehicle. */
notest =
(cmd & 0xFF) == CMD_CLEAR_AREA ||
(cmd & 0xFF) == CMD_LEVEL_LAND ||
(cmd & 0xFF) == CMD_REMOVE_LONG_ROAD ||
(cmd & 0xFF) == CMD_CLONE_VEHICLE;
cmd_id == CMD_CLEAR_AREA ||
cmd_id == CMD_LEVEL_LAND ||
cmd_id == CMD_REMOVE_LONG_ROAD ||
cmd_id == CMD_CLONE_VEHICLE;
_docommand_recursive = 1;
@ -534,7 +536,7 @@ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallbac
_shift_pressed &&
IsLocalCompany() &&
!(cmd & (CMD_NETWORK_COMMAND | CMD_SHOW_NO_ERROR)) &&
(cmd & 0xFF) != CMD_PAUSE) {
cmd_id != CMD_PAUSE) {
/* estimate the cost. */
SetTownRatingTestMode(true);
res = proc(tile, flags, p1, p2, text);

2
src/command_type.h
View File

@ -328,6 +328,8 @@ enum {
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
CMD_FLAGS_MASK = 0xFF00, ///< mask for all command flags
CMD_ID_MASK = 0x00FF, ///< mask for the command ID
};
/**