command.c
author bjarni
Sat, 29 Apr 2006 14:38:21 +0000
branch0.4
changeset 9973 72d7f7f30746
parent 9959 984493ab6fff
permissions -rw-r--r--
(svn r4624) -Backported r4149 from trunk
main reason is that it fixes the load/save issue for OSX 10.3.9, but the other stuff in this commit can't be taken as it's a result of the fix

full commit log entry:
-Codechange: [OSX] rewrite of how universal binaries are compiled

Now OSX stores object files in .OSX and instead of making FAT object files, there are one for each architecture
Each architecture got their own targets to make a non-FAT binary and in the end, lipo will merge them into one binary

It's now possible to select which architectures you want to support by defining OTTD_PPC, OTTD_PPC970 (G5) and/or OTTD_i386
All combos are supported. UNIVERSAL_BINARY and TRIPLE_BINARY can still be used even though it's possible to gain the same result by using the new flags
Making a universal build when you already got part of it compiled (say the PPC part), it will reuse it and only compile the i386 part to save time
Note: in some cases when you switch flags, you risk that openttd is not updated. Delete it and try again. The Makefile can't solve this except if it forces linking each time

This fixes: FS#87 universal binary building borked in 0.4.7
Now universal binaries work on OSX 10.3.9 again

Building universal binaries no longer needs to store flags in Makefile.config as the new design makes it possible to figure everything out automatically
/* $Id$ */

#include "stdafx.h"
#include "openttd.h"
#include "table/strings.h"
#include "functions.h"
#include "map.h"
#include "gui.h"
#include "command.h"
#include "player.h"
#include "network.h"
#include "variables.h"

const char* _cmd_text = NULL;

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

DEF_COMMAND(CmdBuildRailroadTrack);
DEF_COMMAND(CmdRemoveRailroadTrack);
DEF_COMMAND(CmdBuildSingleRail);
DEF_COMMAND(CmdRemoveSingleRail);

DEF_COMMAND(CmdLandscapeClear);

DEF_COMMAND(CmdBuildBridge);

DEF_COMMAND(CmdBuildRailroadStation);
DEF_COMMAND(CmdRemoveFromRailroadStation);
DEF_COMMAND(CmdConvertRail);

DEF_COMMAND(CmdBuildSingleSignal);
DEF_COMMAND(CmdRemoveSingleSignal);

DEF_COMMAND(CmdTerraformLand);

DEF_COMMAND(CmdPurchaseLandArea);
DEF_COMMAND(CmdSellLandArea);

DEF_COMMAND(CmdBuildTunnel);

DEF_COMMAND(CmdBuildTrainDepot);
DEF_COMMAND(CmdBuildTrainWaypoint);
DEF_COMMAND(CmdRenameWaypoint);
DEF_COMMAND(CmdRemoveTrainWaypoint);

DEF_COMMAND(CmdBuildRoadStop);

DEF_COMMAND(CmdBuildLongRoad);
DEF_COMMAND(CmdRemoveLongRoad);
DEF_COMMAND(CmdBuildRoad);
DEF_COMMAND(CmdRemoveRoad);

DEF_COMMAND(CmdBuildRoadDepot);

DEF_COMMAND(CmdBuildAirport);

DEF_COMMAND(CmdBuildDock);

DEF_COMMAND(CmdBuildShipDepot);

DEF_COMMAND(CmdBuildBuoy);

DEF_COMMAND(CmdPlantTree);

DEF_COMMAND(CmdBuildRailVehicle);
DEF_COMMAND(CmdMoveRailVehicle);

DEF_COMMAND(CmdStartStopTrain);

DEF_COMMAND(CmdSellRailWagon);

DEF_COMMAND(CmdSendTrainToDepot);
DEF_COMMAND(CmdForceTrainProceed);
DEF_COMMAND(CmdReverseTrainDirection);

DEF_COMMAND(CmdModifyOrder);
DEF_COMMAND(CmdSkipOrder);
DEF_COMMAND(CmdDeleteOrder);
DEF_COMMAND(CmdInsertOrder);
DEF_COMMAND(CmdChangeServiceInt);
DEF_COMMAND(CmdRestoreOrderIndex);

DEF_COMMAND(CmdBuildIndustry);

DEF_COMMAND(CmdBuildCompanyHQ);
DEF_COMMAND(CmdSetPlayerFace);
DEF_COMMAND(CmdSetPlayerColor);

DEF_COMMAND(CmdIncreaseLoan);
DEF_COMMAND(CmdDecreaseLoan);

DEF_COMMAND(CmdWantEnginePreview);

DEF_COMMAND(CmdNameVehicle);
DEF_COMMAND(CmdRenameEngine);

DEF_COMMAND(CmdChangeCompanyName);
DEF_COMMAND(CmdChangePresidentName);

DEF_COMMAND(CmdRenameStation);

DEF_COMMAND(CmdSellAircraft);
DEF_COMMAND(CmdStartStopAircraft);
DEF_COMMAND(CmdBuildAircraft);
DEF_COMMAND(CmdSendAircraftToHangar);
DEF_COMMAND(CmdRefitAircraft);

DEF_COMMAND(CmdPlaceSign);
DEF_COMMAND(CmdRenameSign);

DEF_COMMAND(CmdBuildRoadVeh);
DEF_COMMAND(CmdStartStopRoadVeh);
DEF_COMMAND(CmdSellRoadVeh);
DEF_COMMAND(CmdSendRoadVehToDepot);
DEF_COMMAND(CmdTurnRoadVeh);

DEF_COMMAND(CmdPause);

DEF_COMMAND(CmdBuyShareInCompany);
DEF_COMMAND(CmdSellShareInCompany);
DEF_COMMAND(CmdBuyCompany);

DEF_COMMAND(CmdBuildTown);

DEF_COMMAND(CmdRenameTown);
DEF_COMMAND(CmdDoTownAction);

DEF_COMMAND(CmdSetRoadDriveSide);

DEF_COMMAND(CmdChangeDifficultyLevel);
DEF_COMMAND(CmdChangePatchSetting);

DEF_COMMAND(CmdStartStopShip);
DEF_COMMAND(CmdSellShip);
DEF_COMMAND(CmdBuildShip);
DEF_COMMAND(CmdSendShipToDepot);
DEF_COMMAND(CmdRefitShip);

DEF_COMMAND(CmdCloneOrder);

DEF_COMMAND(CmdClearArea);

DEF_COMMAND(CmdGiveMoney);
DEF_COMMAND(CmdMoneyCheat);
DEF_COMMAND(CmdBuildCanal);
DEF_COMMAND(CmdBuildLock);

DEF_COMMAND(CmdPlayerCtrl);

DEF_COMMAND(CmdLevelLand);

DEF_COMMAND(CmdRefitRailVehicle);

DEF_COMMAND(CmdBuildSignalTrack);
DEF_COMMAND(CmdRemoveSignalTrack);

DEF_COMMAND(CmdReplaceVehicle);

DEF_COMMAND(CmdCloneVehicle);


/* The master command table */
static const Command _command_proc_table[] = {
	{CmdBuildRailroadTrack,                  0}, /*   0 */
	{CmdRemoveRailroadTrack,                 0}, /*   1 */
	{CmdBuildSingleRail,                     0}, /*   2 */
	{CmdRemoveSingleRail,                    0}, /*   3 */
	{CmdLandscapeClear,                      0}, /*   4 */
	{CmdBuildBridge,                         0}, /*   5 */
	{CmdBuildRailroadStation,                0}, /*   6 */
	{CmdBuildTrainDepot,                     0}, /*   7 */
	{CmdBuildSingleSignal,                   0}, /*   8 */
	{CmdRemoveSingleSignal,                  0}, /*   9 */
	{CmdTerraformLand,                       0}, /*  10 */
	{CmdPurchaseLandArea,                    0}, /*  11 */
	{CmdSellLandArea,                        0}, /*  12 */
	{CmdBuildTunnel,                         0}, /*  13 */
	{CmdRemoveFromRailroadStation,           0}, /*  14 */
	{CmdConvertRail,                         0}, /*  15 */
	{CmdBuildTrainWaypoint,                  0}, /*  16 */
	{CmdRenameWaypoint,                      0}, /*  17 */
	{CmdRemoveTrainWaypoint,                 0}, /*  18 */
	{NULL,                                   0}, /*  19 */
	{NULL,                                   0}, /*  20 */
	{CmdBuildRoadStop,                       0}, /*  21 */
	{NULL,                                   0}, /*  22 */
	{CmdBuildLongRoad,                       0}, /*  23 */
	{CmdRemoveLongRoad,                      0}, /*  24 */
	{CmdBuildRoad,                           0}, /*  25 */
	{CmdRemoveRoad,                          0}, /*  26 */
	{CmdBuildRoadDepot,                      0}, /*  27 */
	{NULL,                                   0}, /*  28 */
	{CmdBuildAirport,                        0}, /*  29 */
	{CmdBuildDock,                           0}, /*  30 */
	{CmdBuildShipDepot,                      0}, /*  31 */
	{CmdBuildBuoy,                           0}, /*  32 */
	{CmdPlantTree,                           0}, /*  33 */
	{CmdBuildRailVehicle,                    0}, /*  34 */
	{CmdMoveRailVehicle,                     0}, /*  35 */
	{CmdStartStopTrain,                      0}, /*  36 */
	{NULL,                                   0}, /*  37 */
	{CmdSellRailWagon,                       0}, /*  38 */
	{CmdSendTrainToDepot,                    0}, /*  39 */
	{CmdForceTrainProceed,                   0}, /*  40 */
	{CmdReverseTrainDirection,               0}, /*  41 */

	{CmdModifyOrder,                         0}, /*  42 */
	{CmdSkipOrder,                           0}, /*  43 */
	{CmdDeleteOrder,                         0}, /*  44 */
	{CmdInsertOrder,                         0}, /*  45 */

	{CmdChangeServiceInt,                    0}, /*  46 */

	{CmdBuildIndustry,                       0}, /*  47 */
	{CmdBuildCompanyHQ,                      0}, /*  48 */
	{CmdSetPlayerFace,                       0}, /*  49 */
	{CmdSetPlayerColor,                      0}, /*  50 */

	{CmdIncreaseLoan,                        0}, /*  51 */
	{CmdDecreaseLoan,                        0}, /*  52 */

	{CmdWantEnginePreview,                   0}, /*  53 */

	{CmdNameVehicle,                         0}, /*  54 */
	{CmdRenameEngine,                        0}, /*  55 */

	{CmdChangeCompanyName,                   0}, /*  56 */
	{CmdChangePresidentName,                 0}, /*  57 */

	{CmdRenameStation,                       0}, /*  58 */

	{CmdSellAircraft,                        0}, /*  59 */
	{CmdStartStopAircraft,                   0}, /*  60 */

	{CmdBuildAircraft,                       0}, /*  61 */
	{CmdSendAircraftToHangar,                0}, /*  62 */
	{NULL,                                   0}, /*  63 */
	{CmdRefitAircraft,                       0}, /*  64 */

	{CmdPlaceSign,                           0}, /*  65 */
	{CmdRenameSign,                          0}, /*  66 */

	{CmdBuildRoadVeh,                        0}, /*  67 */
	{CmdStartStopRoadVeh,                    0}, /*  68 */
	{CmdSellRoadVeh,                         0}, /*  69 */
	{CmdSendRoadVehToDepot,                  0}, /*  70 */
	{CmdTurnRoadVeh,                         0}, /*  71 */
	{NULL,                                   0}, /*  72 */

	{CmdPause,                      CMD_SERVER}, /*  73 */

	{CmdBuyShareInCompany,                   0}, /*  74 */
	{CmdSellShareInCompany,                  0}, /*  75 */
	{CmdBuyCompany,                          0}, /*  76 */

	{CmdBuildTown,                 CMD_OFFLINE}, /*  77 */
	{NULL,                                   0}, /*  78 */
	{NULL,                                   0}, /*  79 */
	{CmdRenameTown,                 CMD_SERVER}, /*  80 */
	{CmdDoTownAction,                        0}, /*  81 */

	{CmdSetRoadDriveSide,           CMD_SERVER}, /*  82 */
	{NULL,                                   0}, /*  83 */
	{NULL,                                   0}, /*  84 */
	{CmdChangeDifficultyLevel,      CMD_SERVER}, /*  85 */

	{CmdStartStopShip,                       0}, /*  86 */
	{CmdSellShip,                            0}, /*  87 */
	{CmdBuildShip,                           0}, /*  88 */
	{CmdSendShipToDepot,                     0}, /*  89 */
	{NULL,                                   0}, /*  90 */
	{CmdRefitShip,                           0}, /*  91 */

	{NULL,                                   0}, /*  92 */
	{NULL,                                   0}, /*  93 */
	{NULL,                                   0}, /*  94 */
	{NULL,                                   0}, /*  95 */
	{NULL,                                   0}, /*  96 */
	{NULL,                                   0}, /*  97 */
	{NULL,                                   0}, /*  98 */

	{CmdCloneOrder,                          0}, /*  99 */

	{CmdClearArea,                           0}, /* 100 */
	{NULL,                                   0}, /* 101 */

	{CmdMoneyCheat,                CMD_OFFLINE}, /* 102 */
	{CmdBuildCanal,                          0}, /* 103 */
	{CmdPlayerCtrl,                          0}, /* 104 */

	{CmdLevelLand,                           0}, /* 105 */

	{CmdRefitRailVehicle,                    0}, /* 106 */
	{CmdRestoreOrderIndex,                   0}, /* 107 */
	{CmdBuildLock,                           0}, /* 108 */
	{NULL,                                   0}, /* 109 */
	{CmdBuildSignalTrack,                    0}, /* 110 */
	{CmdRemoveSignalTrack,                   0}, /* 111 */
	{NULL,                                   0}, /* 112 */
	{CmdGiveMoney,                           0}, /* 113 */
	{CmdChangePatchSetting,         CMD_SERVER}, /* 114 */
	{CmdReplaceVehicle,                      0}, /* 115 */
	{CmdCloneVehicle,						 0}, /* 116 */
};

/* This function range-checks a cmd, and checks if the cmd is not NULL */
bool IsValidCommand(uint cmd)
{
	cmd &= 0xFF;

	return
		cmd < lengthof(_command_proc_table) &&
		_command_proc_table[cmd].proc != NULL;
}

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) * 16, TileY(tile) * 16, p1, p2, flags, procc);
}


static int _docommand_recursive;

int32 DoCommand(int x, int y, 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()) {
		_cmd_text = NULL;
		return CMD_ERROR;
	}

	proc = _command_proc_table[procc].proc;

	if (_docommand_recursive == 0) _error_message = INVALID_STRING_ID;

	_docommand_recursive++;

	// 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);
		if (CmdFailed(res)) {
			if (res & 0xFFFF) _error_message = res & 0xFFFF;
			goto error;
		}

		if (_docommand_recursive == 1) {
			if (!(flags&DC_QUERY_COST) && res != 0 && !CheckPlayerHasMoney(res))
				goto error;
		}

		if (!(flags & DC_EXEC)) {
			_docommand_recursive--;
			_cmd_text = NULL;
			return res;
		}
	}

	/* 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);
	if (CmdFailed(res)) {
		if (res & 0xFFFF) _error_message = res & 0xFFFF;
error:
		_docommand_recursive--;
		_cmd_text = NULL;
		return CMD_ERROR;
	}

	// if toplevel, subtract the money.
	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);
		}
	}

	_cmd_text = NULL;
	return res;
}

int32 GetAvailableMoneyForCommand(void)
{
	PlayerID pid = _current_player;
	if (pid >= MAX_PLAYERS) return 0x7FFFFFFF; // max int
	return GetPlayer(pid)->player_money;
}

// toplevel network safe docommand function for the current player. must not be called recursively.
// the callback is called when the command succeeded or failed.
bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, uint32 cmd)
{
	int32 res = 0,res2;
	CommandProc *proc;
	uint32 flags;
	bool notest;

	int x = TileX(tile) * 16;
	int y = TileY(tile) * 16;

	/* Do not even think about executing out-of-bounds tile-commands */
	if (tile >= MapSize()) {
		_cmd_text = NULL;
		return false;
	}

	assert(_docommand_recursive == 0);

	_error_message = INVALID_STRING_ID;
	_error_message_2 = cmd >> 16;
	_additional_cash_required = 0;

	/** Spectator has no rights except for the dedicated server which
	 * is a spectator but is the server, so can do anything */
	if (_current_player == OWNER_SPECTATOR && !_network_dedicated) {
		ShowErrorMessage(_error_message, _error_message_2, x, y);
		_cmd_text = NULL;
		return false;
	}

	flags = 0;
	if (cmd & CMD_AUTO) flags |= DC_AUTO;
	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;
	if (proc == NULL) {
		_cmd_text = NULL;
		return false;
	}

	// Some commands have a different output in dryrun than the realrun
	//  e.g.: if you demolish a whole town, the dryrun would say okay.
	//  but by really destroying, your rating drops and at a certain point
	//  it will fail. so res and res2 are different
	// CMD_REMOVE_ROAD: This command has special local authority
	// restrictions which may cause the test run to fail (the previous
	// road fragments still stay there and the town won't let you
	// disconnect the road system), but the exec will succeed and this
	// fact will trigger an assertion failure. --pasky
	notest =
		(cmd & 0xFF) == CMD_CLEAR_AREA ||
		(cmd & 0xFF) == CMD_CONVERT_RAIL ||
		(cmd & 0xFF) == CMD_LEVEL_LAND ||
		(cmd & 0xFF) == CMD_REMOVE_ROAD ||
		(cmd & 0xFF) == CMD_REMOVE_LONG_ROAD;

	_docommand_recursive = 1;

	// 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);
		if (CmdFailed(res)) {
			if (res & 0xFFFF) _error_message = res & 0xFFFF;
			ShowErrorMessage(_error_message, _error_message_2, x, y);
		} else {
			ShowEstimatedCostOrIncome(res, x, y);
		}

		_docommand_recursive = 0;
		_cmd_text = NULL;
		return false;
	}


	if (!((cmd & CMD_NO_TEST_IF_IN_NETWORK) && _networking)) {
		// first test if the command can be executed.
		res = proc(x,y, flags, p1, p2);
		if (CmdFailed(res)) {
			if (res & 0xFFFF) _error_message = res & 0xFFFF;
			goto show_error;
		}
		// no money? Only check if notest is off
		if (!notest && res != 0 && !CheckPlayerHasMoney(res)) goto show_error;
	}

#ifdef ENABLE_NETWORK
	/** If we are in network, and the command is not from the network
	 * send it to the command-queue and abort execution
	 * If we are a dedicated server temporarily switch local player, otherwise
	 * the other parties won't be able to execute our command and will desync.
	 * @todo Rewrite dedicated server to something more than a dirty hack!
	 */
	if (_networking && !(cmd & CMD_NETWORK_COMMAND)) {
		if (_network_dedicated) _local_player = 0;
		NetworkSend_Command(tile, p1, p2, cmd, callback);
		if (_network_dedicated) _local_player = OWNER_SPECTATOR;
		_docommand_recursive = 0;
		_cmd_text = NULL;
		return true;
	}
#endif /* ENABLE_NETWORK */

	// update last build coordinate of player.
	if ( tile != 0 && _current_player < MAX_PLAYERS) GetPlayer(_current_player)->last_build_coordinate = tile;

	/* 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);

	// If notest is on, it means the result of the test can be different than
	//   the real command.. so ignore the test
	if (!notest && !((cmd & CMD_NO_TEST_IF_IN_NETWORK) && _networking)) {
		assert(res == res2); // sanity check
	} else {
		if (CmdFailed(res2)) {
			if (res2 & 0xFFFF) _error_message = res2 & 0xFFFF;
			goto show_error;
		}
	}

	SubtractMoneyFromPlayer(res2);

	if (IsLocalPlayer() && _game_mode != GM_EDITOR) {
		if (res2 != 0)
			ShowCostOrIncomeAnimation(x, y, GetSlopeZ(x, y), res2);
		if (_additional_cash_required) {
			SetDParam(0, _additional_cash_required);
			ShowErrorMessage(STR_0003_NOT_ENOUGH_CASH_REQUIRES, _error_message_2, x,y);
			if (res2 == 0) goto callb_err;
		}
	}

	_docommand_recursive = 0;

	if (callback) callback(true, tile, p1, p2);
	_cmd_text = NULL;
	return true;

show_error:
	// show error message if the command fails?
	if (IsLocalPlayer() && _error_message_2 != 0)
		ShowErrorMessage(_error_message, _error_message_2, x,y);

callb_err:
	_docommand_recursive = 0;

	if (callback) callback(false, tile, p1, p2);
	_cmd_text = NULL;
	return false;
}