File diff r3490:2997e05fe018 → r3491:10ed78e15d31
command.c
Show inline comments
 
@@ -13,7 +13,7 @@
 

	
 
const char* _cmd_text = NULL;
 

	
 
#define DEF_COMMAND(yyyy) int32 yyyy(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 
#define DEF_COMMAND(yyyy) int32 yyyy(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 

	
 
DEF_COMMAND(CmdBuildRailroadTrack);
 
DEF_COMMAND(CmdRemoveRailroadTrack);
 
@@ -315,21 +315,16 @@ bool IsValidCommand(uint cmd)
 

	
 
byte GetCommandFlags(uint cmd) {return _command_proc_table[cmd & 0xFF].flags;}
 

	
 
int32 DoCommandByTile(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint procc)
 
{
 
	return DoCommand(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, p1, p2, flags, procc);
 
}
 

	
 

	
 
static int _docommand_recursive;
 

	
 
int32 DoCommand(int x, int y, uint32 p1, uint32 p2, uint32 flags, uint procc)
 
int32 DoCommand(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint procc)
 
{
 
	int32 res;
 
	CommandProc *proc;
 

	
 
	/* Do not even think about executing out-of-bounds tile-commands */
 
	if (TileVirtXY(x, y) >= MapSize()) {
 
	if (tile >= MapSize()) {
 
		_cmd_text = NULL;
 
		return CMD_ERROR;
 
	}
 
@@ -342,7 +337,7 @@ int32 DoCommand(int x, int y, uint32 p1,
 

	
 
	// only execute the test call if it's toplevel, or we're not execing.
 
	if (_docommand_recursive == 1 || !(flags & DC_EXEC) || (flags & DC_FORCETEST) ) {
 
		res = proc(x, y, flags&~DC_EXEC, p1, p2);
 
		res = proc(tile, flags & ~DC_EXEC, p1, p2);
 
		if (CmdFailed(res)) {
 
			if (res & 0xFFFF) _error_message = res & 0xFFFF;
 
			goto error;
 
@@ -362,7 +357,7 @@ int32 DoCommand(int x, int y, uint32 p1,
 

	
 
	/* Execute the command here. All cost-relevant functions set the expenses type
 
	 * themselves with "SET_EXPENSES_TYPE(...);" at the beginning of the function */
 
	res = proc(x, y, flags, p1, p2);
 
	res = proc(tile, flags, p1, p2);
 
	if (CmdFailed(res)) {
 
		if (res & 0xFFFF) _error_message = res & 0xFFFF;
 
error:
 
@@ -375,8 +370,8 @@ error:
 
	if (--_docommand_recursive == 0) {
 
		SubtractMoneyFromPlayer(res);
 
		// XXX - Old AI hack which doesn't use DoCommandDP; update last build coord of player
 
		if ( (x|y) != 0 && _current_player < MAX_PLAYERS) {
 
			GetPlayer(_current_player)->last_build_coordinate = TileVirtXY(x, y);
 
		if (tile != 0 && _current_player < MAX_PLAYERS) {
 
			GetPlayer(_current_player)->last_build_coordinate = tile;
 
		}
 
	}
 

	
 
@@ -457,7 +452,7 @@ bool DoCommandP(TileIndex tile, uint32 p
 
	// cost estimation only?
 
	if (_shift_pressed && IsLocalPlayer() && !(cmd & (CMD_NETWORK_COMMAND | CMD_SHOW_NO_ERROR))) {
 
		// estimate the cost.
 
		res = proc(x, y, flags, p1, p2);
 
		res = proc(tile, flags, p1, p2);
 
		if (CmdFailed(res)) {
 
			if (res & 0xFFFF) _error_message = res & 0xFFFF;
 
			ShowErrorMessage(_error_message, error_part1, x, y);
 
@@ -473,7 +468,7 @@ bool DoCommandP(TileIndex tile, uint32 p
 

	
 
	if (!((cmd & CMD_NO_TEST_IF_IN_NETWORK) && _networking)) {
 
		// first test if the command can be executed.
 
		res = proc(x,y, flags, p1, p2);
 
		res = proc(tile, flags, p1, p2);
 
		if (CmdFailed(res)) {
 
			if (res & 0xFFFF) _error_message = res & 0xFFFF;
 
			goto show_error;
 
@@ -505,7 +500,7 @@ bool DoCommandP(TileIndex tile, uint32 p
 
	/* Actually try and execute the command. If no cost-type is given
 
	 * use the construction one */
 
	_yearly_expenses_type = EXPENSES_CONSTRUCTION;
 
	res2 = proc(x,y, flags|DC_EXEC, p1, p2);
 
	res2 = proc(tile, flags|DC_EXEC, p1, p2);
 

	
 
	// If notest is on, it means the result of the test can be different than
 
	//   the real command.. so ignore the test