1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "table/strings.h"

     6

#include "functions.h"

     7

#include "map.h"

     8

#include "gui.h"

     9

#include "command.h"

    10

#include "player.h"

    11

#include "network.h"

    12

#include "variables.h"

    13

    14

const char* _cmd_text = NULL;

    15

    17

    18

DEF_COMMAND(CmdBuildRailroadTrack);

    19

DEF_COMMAND(CmdRemoveRailroadTrack);

    20

DEF_COMMAND(CmdBuildSingleRail);

    21

DEF_COMMAND(CmdRemoveSingleRail);

    22

    23

DEF_COMMAND(CmdLandscapeClear);

    24

    25

DEF_COMMAND(CmdBuildBridge);

    26

    27

DEF_COMMAND(CmdBuildRailroadStation);

    28

DEF_COMMAND(CmdRemoveFromRailroadStation);

    29

DEF_COMMAND(CmdConvertRail);

    30

    31

DEF_COMMAND(CmdBuildSingleSignal);

    32

DEF_COMMAND(CmdRemoveSingleSignal);

    33

    34

DEF_COMMAND(CmdTerraformLand);

    35

    36

DEF_COMMAND(CmdPurchaseLandArea);

    37

DEF_COMMAND(CmdSellLandArea);

    38

    39

DEF_COMMAND(CmdBuildTunnel);

    40

    41

DEF_COMMAND(CmdBuildTrainDepot);

    42

DEF_COMMAND(CmdBuildTrainWaypoint);

    43

DEF_COMMAND(CmdRenameWaypoint);

    44

DEF_COMMAND(CmdRemoveTrainWaypoint);

    45

    46

DEF_COMMAND(CmdBuildRoadStop);

    47

    48

DEF_COMMAND(CmdBuildLongRoad);

    49

DEF_COMMAND(CmdRemoveLongRoad);

    50

DEF_COMMAND(CmdBuildRoad);

    51

DEF_COMMAND(CmdRemoveRoad);

    52

    53

DEF_COMMAND(CmdBuildRoadDepot);

    54

    55

DEF_COMMAND(CmdBuildAirport);

    56

    57

DEF_COMMAND(CmdBuildDock);

    58

    59

DEF_COMMAND(CmdBuildShipDepot);

    60

    61

DEF_COMMAND(CmdBuildBuoy);

    62

    63

DEF_COMMAND(CmdPlantTree);

    64

    65

DEF_COMMAND(CmdBuildRailVehicle);

    66

DEF_COMMAND(CmdMoveRailVehicle);

    67

    68

DEF_COMMAND(CmdStartStopTrain);

    69

    70

DEF_COMMAND(CmdSellRailWagon);

    71

    72

DEF_COMMAND(CmdSendTrainToDepot);

    73

DEF_COMMAND(CmdForceTrainProceed);

    74

DEF_COMMAND(CmdReverseTrainDirection);

    75

    76

DEF_COMMAND(CmdModifyOrder);

    77

DEF_COMMAND(CmdSkipOrder);

    78

DEF_COMMAND(CmdDeleteOrder);

    79

DEF_COMMAND(CmdInsertOrder);

    80

DEF_COMMAND(CmdChangeServiceInt);

    81

DEF_COMMAND(CmdRestoreOrderIndex);

    82

    83

DEF_COMMAND(CmdBuildIndustry);

    84

    85

DEF_COMMAND(CmdBuildCompanyHQ);

    86

DEF_COMMAND(CmdSetPlayerFace);

    87

DEF_COMMAND(CmdSetPlayerColor);

    88

    89

DEF_COMMAND(CmdIncreaseLoan);

    90

DEF_COMMAND(CmdDecreaseLoan);

    91

    92

DEF_COMMAND(CmdWantEnginePreview);

    93

    94

DEF_COMMAND(CmdNameVehicle);

    95

DEF_COMMAND(CmdRenameEngine);

    96

    97

DEF_COMMAND(CmdChangeCompanyName);

    98

DEF_COMMAND(CmdChangePresidentName);

    99

   100

DEF_COMMAND(CmdRenameStation);

   101

   102

DEF_COMMAND(CmdSellAircraft);

   103

DEF_COMMAND(CmdStartStopAircraft);

   104

DEF_COMMAND(CmdBuildAircraft);

   105

DEF_COMMAND(CmdSendAircraftToHangar);

   106

DEF_COMMAND(CmdRefitAircraft);

   107

   108

DEF_COMMAND(CmdPlaceSign);

   109

DEF_COMMAND(CmdRenameSign);

   110

   111

DEF_COMMAND(CmdBuildRoadVeh);

   112

DEF_COMMAND(CmdStartStopRoadVeh);

   113

DEF_COMMAND(CmdSellRoadVeh);

   114

DEF_COMMAND(CmdSendRoadVehToDepot);

   115

DEF_COMMAND(CmdTurnRoadVeh);

   116

   117

DEF_COMMAND(CmdPause);

   118

   119

DEF_COMMAND(CmdBuyShareInCompany);

   120

DEF_COMMAND(CmdSellShareInCompany);

   121

DEF_COMMAND(CmdBuyCompany);

   122

   123

DEF_COMMAND(CmdBuildTown);

   124

   125

DEF_COMMAND(CmdRenameTown);

   126

DEF_COMMAND(CmdDoTownAction);

   127

   128

DEF_COMMAND(CmdSetRoadDriveSide);

   129

   130

DEF_COMMAND(CmdChangeDifficultyLevel);

   131

DEF_COMMAND(CmdChangePatchSetting);

   132

   133

DEF_COMMAND(CmdStartStopShip);

   134

DEF_COMMAND(CmdSellShip);

   135

DEF_COMMAND(CmdBuildShip);

   136

DEF_COMMAND(CmdSendShipToDepot);

   137

DEF_COMMAND(CmdRefitShip);

   138

   139

DEF_COMMAND(CmdCloneOrder);

   140

   141

DEF_COMMAND(CmdClearArea);

   142

   143

DEF_COMMAND(CmdGiveMoney);

   144

DEF_COMMAND(CmdMoneyCheat);

   145

DEF_COMMAND(CmdBuildCanal);

   146

DEF_COMMAND(CmdBuildLock);

   147

   148

DEF_COMMAND(CmdPlayerCtrl);

   149

   150

DEF_COMMAND(CmdLevelLand);

   151

   152

DEF_COMMAND(CmdRefitRailVehicle);

   153

   154

DEF_COMMAND(CmdBuildSignalTrack);

   155

DEF_COMMAND(CmdRemoveSignalTrack);

   156

   157

DEF_COMMAND(CmdReplaceVehicle);

   158

   159

DEF_COMMAND(CmdCloneVehicle);

   160

   161

   162

/* The master command table */

   163

static const Command _command_proc_table[] = {

   164

	{CmdBuildRailroadTrack,                  0}, /*   0 */

   165

	{CmdRemoveRailroadTrack,                 0}, /*   1 */

   166

	{CmdBuildSingleRail,                     0}, /*   2 */

   167

	{CmdRemoveSingleRail,                    0}, /*   3 */

   168

	{CmdLandscapeClear,                      0}, /*   4 */

   169

	{CmdBuildBridge,                         0}, /*   5 */

   170

	{CmdBuildRailroadStation,                0}, /*   6 */

   171

	{CmdBuildTrainDepot,                     0}, /*   7 */

   172

	{CmdBuildSingleSignal,                   0}, /*   8 */

   173

	{CmdRemoveSingleSignal,                  0}, /*   9 */

   174

	{CmdTerraformLand,                       0}, /*  10 */

   175

	{CmdPurchaseLandArea,                    0}, /*  11 */

   176

	{CmdSellLandArea,                        0}, /*  12 */

   177

	{CmdBuildTunnel,                         0}, /*  13 */

   178

	{CmdRemoveFromRailroadStation,           0}, /*  14 */

   179

	{CmdConvertRail,                         0}, /*  15 */

   180

	{CmdBuildTrainWaypoint,                  0}, /*  16 */

   181

	{CmdRenameWaypoint,                      0}, /*  17 */

   182

	{CmdRemoveTrainWaypoint,                 0}, /*  18 */

   183

	{NULL,                                   0}, /*  19 */

   184

	{NULL,                                   0}, /*  20 */

   185

	{CmdBuildRoadStop,                       0}, /*  21 */

   186

	{NULL,                                   0}, /*  22 */

   187

	{CmdBuildLongRoad,                       0}, /*  23 */

   188

	{CmdRemoveLongRoad,                      0}, /*  24 */

   189

	{CmdBuildRoad,                           0}, /*  25 */

   190

	{CmdRemoveRoad,                          0}, /*  26 */

   191

	{CmdBuildRoadDepot,                      0}, /*  27 */

   192

	{NULL,                                   0}, /*  28 */

   193

	{CmdBuildAirport,                        0}, /*  29 */

   194

	{CmdBuildDock,                           0}, /*  30 */

   195

	{CmdBuildShipDepot,                      0}, /*  31 */

   196

	{CmdBuildBuoy,                           0}, /*  32 */

   197

	{CmdPlantTree,                           0}, /*  33 */

   198

	{CmdBuildRailVehicle,                    0}, /*  34 */

   199

	{CmdMoveRailVehicle,                     0}, /*  35 */

   200

	{CmdStartStopTrain,                      0}, /*  36 */

   201

	{NULL,                                   0}, /*  37 */

   202

	{CmdSellRailWagon,                       0}, /*  38 */

   203

	{CmdSendTrainToDepot,                    0}, /*  39 */

   204

	{CmdForceTrainProceed,                   0}, /*  40 */

   205

	{CmdReverseTrainDirection,               0}, /*  41 */

   206

   207

	{CmdModifyOrder,                         0}, /*  42 */

   208

	{CmdSkipOrder,                           0}, /*  43 */

   209

	{CmdDeleteOrder,                         0}, /*  44 */

   210

	{CmdInsertOrder,                         0}, /*  45 */

   211

   212

	{CmdChangeServiceInt,                    0}, /*  46 */

   213

   214

	{CmdBuildIndustry,                       0}, /*  47 */

   215

	{CmdBuildCompanyHQ,                      0}, /*  48 */

   216

	{CmdSetPlayerFace,                       0}, /*  49 */

   217

	{CmdSetPlayerColor,                      0}, /*  50 */

   218

   219

	{CmdIncreaseLoan,                        0}, /*  51 */

   220

	{CmdDecreaseLoan,                        0}, /*  52 */

   221

   222

	{CmdWantEnginePreview,                   0}, /*  53 */

   223

   224

	{CmdNameVehicle,                         0}, /*  54 */

   225

	{CmdRenameEngine,                        0}, /*  55 */

   226

   227

	{CmdChangeCompanyName,                   0}, /*  56 */

   228

	{CmdChangePresidentName,                 0}, /*  57 */

   229

   230

	{CmdRenameStation,                       0}, /*  58 */

   231

   232

	{CmdSellAircraft,                        0}, /*  59 */

   233

	{CmdStartStopAircraft,                   0}, /*  60 */

   234

   235

	{CmdBuildAircraft,                       0}, /*  61 */

   236

	{CmdSendAircraftToHangar,                0}, /*  62 */

   237

	{NULL,                                   0}, /*  63 */

   238

	{CmdRefitAircraft,                       0}, /*  64 */

   239

   240

	{CmdPlaceSign,                           0}, /*  65 */

   241

	{CmdRenameSign,                          0}, /*  66 */

   242

   243

	{CmdBuildRoadVeh,                        0}, /*  67 */

   244

	{CmdStartStopRoadVeh,                    0}, /*  68 */

   245

	{CmdSellRoadVeh,                         0}, /*  69 */

   246

	{CmdSendRoadVehToDepot,                  0}, /*  70 */

   247

	{CmdTurnRoadVeh,                         0}, /*  71 */

   248

	{NULL,                                   0}, /*  72 */

   249

   250

	{CmdPause,                      CMD_SERVER}, /*  73 */

   251

   252

	{CmdBuyShareInCompany,                   0}, /*  74 */

   253

	{CmdSellShareInCompany,                  0}, /*  75 */

   254

	{CmdBuyCompany,                          0}, /*  76 */

   255

   256

	{CmdBuildTown,                 CMD_OFFLINE}, /*  77 */

   257

	{NULL,                                   0}, /*  78 */

   258

	{NULL,                                   0}, /*  79 */

   259

	{CmdRenameTown,                 CMD_SERVER}, /*  80 */

   260

	{CmdDoTownAction,                        0}, /*  81 */

   261

   262

	{CmdSetRoadDriveSide,           CMD_SERVER}, /*  82 */

   263

	{NULL,                                   0}, /*  83 */

   264

	{NULL,                                   0}, /*  84 */

   265

	{CmdChangeDifficultyLevel,      CMD_SERVER}, /*  85 */

   266

   267

	{CmdStartStopShip,                       0}, /*  86 */

   268

	{CmdSellShip,                            0}, /*  87 */

   269

	{CmdBuildShip,                           0}, /*  88 */

   270

	{CmdSendShipToDepot,                     0}, /*  89 */

   271

	{NULL,                                   0}, /*  90 */

   272

	{CmdRefitShip,                           0}, /*  91 */

   273

   274

	{NULL,                                   0}, /*  92 */

   275

	{NULL,                                   0}, /*  93 */

   276

	{NULL,                                   0}, /*  94 */

   277

	{NULL,                                   0}, /*  95 */

   278

	{NULL,                                   0}, /*  96 */

   279

	{NULL,                                   0}, /*  97 */

   280

	{NULL,                                   0}, /*  98 */

   281

   282

	{CmdCloneOrder,                          0}, /*  99 */

   283

   284

	{CmdClearArea,                           0}, /* 100 */

   285

	{NULL,                                   0}, /* 101 */

   286

   287

	{CmdMoneyCheat,                CMD_OFFLINE}, /* 102 */

   288

	{CmdBuildCanal,                          0}, /* 103 */

   289

	{CmdPlayerCtrl,                          0}, /* 104 */

   290

   291

	{CmdLevelLand,                           0}, /* 105 */

   292

   293

	{CmdRefitRailVehicle,                    0}, /* 106 */

   294

	{CmdRestoreOrderIndex,                   0}, /* 107 */

   295

	{CmdBuildLock,                           0}, /* 108 */

   296

	{NULL,                                   0}, /* 109 */

   297

	{CmdBuildSignalTrack,                    0}, /* 110 */

   298

	{CmdRemoveSignalTrack,                   0}, /* 111 */

   299

	{NULL,                                   0}, /* 112 */

   300

	{CmdGiveMoney,                           0}, /* 113 */

   301

	{CmdChangePatchSetting,         CMD_SERVER}, /* 114 */

   302

	{CmdReplaceVehicle,                      0}, /* 115 */

   303

	{CmdCloneVehicle,						 0}, /* 116 */

   304

};

   305

   306

/* This function range-checks a cmd, and checks if the cmd is not NULL */

   307

bool IsValidCommand(uint cmd)

   308

{

   309

	cmd &= 0xFF;

   310

   311

	return

   312

		cmd < lengthof(_command_proc_table) &&

   313

		_command_proc_table[cmd].proc != NULL;

   314

}

   315

   316

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

   317

   318

   319

static int _docommand_recursive;

   320

   322

{

   323

	int32 res;

   324

	CommandProc *proc;

   325

   326

	/* Do not even think about executing out-of-bounds tile-commands */

   328

		_cmd_text = NULL;

   329

		return CMD_ERROR;

   330

	}

   331

   332

	proc = _command_proc_table[procc].proc;

   333

   334

	if (_docommand_recursive == 0) _error_message = INVALID_STRING_ID;

   335

   336

	_docommand_recursive++;

   337

   338

	// only execute the test call if it's toplevel, or we're not execing.

   339

	if (_docommand_recursive == 1 || !(flags & DC_EXEC) || (flags & DC_FORCETEST) ) {

   341

		if (CmdFailed(res)) {

   342

			if (res & 0xFFFF) _error_message = res & 0xFFFF;

   343

			goto error;

   344

		}

   345

   346

		if (_docommand_recursive == 1) {

   347

			if (!(flags&DC_QUERY_COST) && res != 0 && !CheckPlayerHasMoney(res))

   348

				goto error;

   349

		}

   350

   351

		if (!(flags & DC_EXEC)) {

   352

			_docommand_recursive--;

   353

			_cmd_text = NULL;

   354

			return res;

   355

		}

   356

	}

   357

   358

	/* Execute the command here. All cost-relevant functions set the expenses type

   359

	 * themselves with "SET_EXPENSES_TYPE(...);" at the beginning of the function */

   361

	if (CmdFailed(res)) {

   362

		if (res & 0xFFFF) _error_message = res & 0xFFFF;

   363

error:

   364

		_docommand_recursive--;

   365

		_cmd_text = NULL;

   366

		return CMD_ERROR;

   367

	}

   368

   369

	// if toplevel, subtract the money.

   370

	if (--_docommand_recursive == 0) {

   371

		SubtractMoneyFromPlayer(res);

   372

		// XXX - Old AI hack which doesn't use DoCommandDP; update last build coord of player

   375

		}

   376

	}

   377

   378

	_cmd_text = NULL;

   379

	return res;

   380

}

   381

   382

int32 GetAvailableMoneyForCommand(void)

   383

{

   384

	PlayerID pid = _current_player;

   385

	if (pid >= MAX_PLAYERS) return 0x7FFFFFFF; // max int

   386

	return GetPlayer(pid)->player_money;

   387

}

   388

   389

// toplevel network safe docommand function for the current player. must not be called recursively.

   390

// the callback is called when the command succeeded or failed.

   391

bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, uint32 cmd)

   392

{

   393

	int32 res = 0,res2;

   394

	CommandProc *proc;

   395

	uint32 flags;

   396

	bool notest;

   397

	StringID error_part1;

   398

   399

	int x = TileX(tile) * TILE_SIZE;

   400

	int y = TileY(tile) * TILE_SIZE;

   401

   402

	/* Do not even think about executing out-of-bounds tile-commands */

   403

	if (tile >= MapSize()) {

   404

		_cmd_text = NULL;

   405

		return false;

   406

	}

   407

   408

	assert(_docommand_recursive == 0);

   409

   410

	_error_message = INVALID_STRING_ID;

   411

	error_part1 = GB(cmd, 16, 16);

   412

	_additional_cash_required = 0;

   413

   414

	/** Spectator has no rights except for the dedicated server which

   415

	 * is a spectator but is the server, so can do anything */

   416

	if (_current_player == OWNER_SPECTATOR && !_network_dedicated) {

   417

		ShowErrorMessage(_error_message, error_part1, x, y);

   418

		_cmd_text = NULL;

   419

		return false;

   420

	}

   421

   422

	flags = 0;

   423

	if (cmd & CMD_AUTO) flags |= DC_AUTO;

   424

	if (cmd & CMD_NO_WATER) flags |= DC_NO_WATER;

   425

   426

	// get pointer to command handler

   427

	assert((cmd & 0xFF) < lengthof(_command_proc_table));

   428

	proc = _command_proc_table[cmd & 0xFF].proc;

   429

	if (proc == NULL) {

   430

		_cmd_text = NULL;

   431

		return false;

   432

	}

   433

   434

	// Some commands have a different output in dryrun than the realrun

   435

	//  e.g.: if you demolish a whole town, the dryrun would say okay.

   436

	//  but by really destroying, your rating drops and at a certain point

   437

	//  it will fail. so res and res2 are different

   438

	// CMD_REMOVE_ROAD: This command has special local authority

   439

	// restrictions which may cause the test run to fail (the previous

   440

	// road fragments still stay there and the town won't let you

   441

	// disconnect the road system), but the exec will succeed and this

   442

	// fact will trigger an assertion failure. --pasky

   443

	notest =

   444

		(cmd & 0xFF) == CMD_CLEAR_AREA ||

   445

		(cmd & 0xFF) == CMD_CONVERT_RAIL ||

   446

		(cmd & 0xFF) == CMD_LEVEL_LAND ||

   447

		(cmd & 0xFF) == CMD_REMOVE_ROAD ||

   448

		(cmd & 0xFF) == CMD_REMOVE_LONG_ROAD;

   449

   450

	_docommand_recursive = 1;

   451

   452

	// cost estimation only?

   453

	if (_shift_pressed && IsLocalPlayer() && !(cmd & (CMD_NETWORK_COMMAND | CMD_SHOW_NO_ERROR))) {

   454

		// estimate the cost.

   456

		if (CmdFailed(res)) {

   457

			if (res & 0xFFFF) _error_message = res & 0xFFFF;

   458

			ShowErrorMessage(_error_message, error_part1, x, y);

   459

		} else {

   460

			ShowEstimatedCostOrIncome(res, x, y);

   461

		}

   462

   463

		_docommand_recursive = 0;

   464

		_cmd_text = NULL;

   465

		return false;

   466

	}

   467

   468

   469

	if (!((cmd & CMD_NO_TEST_IF_IN_NETWORK) && _networking)) {

   470

		// first test if the command can be executed.

   472

		if (CmdFailed(res)) {

   473

			if (res & 0xFFFF) _error_message = res & 0xFFFF;

   474

			goto show_error;

   475

		}

   476

		// no money? Only check if notest is off

   477

		if (!notest && res != 0 && !CheckPlayerHasMoney(res)) goto show_error;

   478

	}

   479

   480

#ifdef ENABLE_NETWORK

   481

	/** If we are in network, and the command is not from the network

   482

	 * send it to the command-queue and abort execution

   483

	 * If we are a dedicated server temporarily switch local player, otherwise

   484

	 * the other parties won't be able to execute our command and will desync.

   485

	 * @todo Rewrite dedicated server to something more than a dirty hack!

   486

	 */

   487

	if (_networking && !(cmd & CMD_NETWORK_COMMAND)) {

   488

		if (_network_dedicated) _local_player = 0;

   489

		NetworkSend_Command(tile, p1, p2, cmd, callback);

   490

		if (_network_dedicated) _local_player = OWNER_SPECTATOR;

   491

		_docommand_recursive = 0;

   492

		_cmd_text = NULL;

   493

		return true;

   494

	}

   495

#endif /* ENABLE_NETWORK */

   496

   497

	// update last build coordinate of player.

   498

	if ( tile != 0 && _current_player < MAX_PLAYERS) GetPlayer(_current_player)->last_build_coordinate = tile;

   499

   500

	/* Actually try and execute the command. If no cost-type is given

   501

	 * use the construction one */