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

#include "genworld.h"

    14

    15

const char* _cmd_text = NULL;

    16

    17

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

    18

    19

DEF_COMMAND(CmdBuildRailroadTrack);

    20

DEF_COMMAND(CmdRemoveRailroadTrack);

    21

DEF_COMMAND(CmdBuildSingleRail);

    22

DEF_COMMAND(CmdRemoveSingleRail);

    23

    24

DEF_COMMAND(CmdLandscapeClear);

    25

    26

DEF_COMMAND(CmdBuildBridge);

    27

    28

DEF_COMMAND(CmdBuildRailroadStation);

    29

DEF_COMMAND(CmdRemoveFromRailroadStation);

    30

DEF_COMMAND(CmdConvertRail);

    31

    32

DEF_COMMAND(CmdBuildSingleSignal);

    33

DEF_COMMAND(CmdRemoveSingleSignal);

    34

    35

DEF_COMMAND(CmdTerraformLand);

    36

    37

DEF_COMMAND(CmdPurchaseLandArea);

    38

DEF_COMMAND(CmdSellLandArea);

    39

    40

DEF_COMMAND(CmdBuildTunnel);

    41

    42

DEF_COMMAND(CmdBuildTrainDepot);

    43

DEF_COMMAND(CmdBuildTrainWaypoint);

    44

DEF_COMMAND(CmdRenameWaypoint);

    45

DEF_COMMAND(CmdRemoveTrainWaypoint);

    46

    47

DEF_COMMAND(CmdBuildRoadStop);

    48

    49

DEF_COMMAND(CmdBuildLongRoad);

    50

DEF_COMMAND(CmdRemoveLongRoad);

    51

DEF_COMMAND(CmdBuildRoad);

    52

DEF_COMMAND(CmdRemoveRoad);

    53

    54

DEF_COMMAND(CmdBuildRoadDepot);

    55

    56

DEF_COMMAND(CmdBuildAirport);

    57

    58

DEF_COMMAND(CmdBuildDock);

    59

    60

DEF_COMMAND(CmdBuildShipDepot);

    61

    62

DEF_COMMAND(CmdBuildBuoy);

    63

    64

DEF_COMMAND(CmdPlantTree);

    65

    66

DEF_COMMAND(CmdBuildRailVehicle);

    67

DEF_COMMAND(CmdMoveRailVehicle);

    68

    69

DEF_COMMAND(CmdStartStopTrain);

    70

    71

DEF_COMMAND(CmdSellRailWagon);

    72

    73

DEF_COMMAND(CmdSendTrainToDepot);

    74

DEF_COMMAND(CmdForceTrainProceed);

    75

DEF_COMMAND(CmdReverseTrainDirection);

    76

    77

DEF_COMMAND(CmdModifyOrder);

    78

DEF_COMMAND(CmdSkipOrder);

    79

DEF_COMMAND(CmdDeleteOrder);

    80

DEF_COMMAND(CmdInsertOrder);

    81

DEF_COMMAND(CmdChangeServiceInt);

    82

DEF_COMMAND(CmdRestoreOrderIndex);

    83

    84

DEF_COMMAND(CmdBuildIndustry);

    85

    86

DEF_COMMAND(CmdBuildCompanyHQ);

    87

DEF_COMMAND(CmdSetPlayerFace);

    88

DEF_COMMAND(CmdSetPlayerColor);

    89

    90

DEF_COMMAND(CmdIncreaseLoan);

    91

DEF_COMMAND(CmdDecreaseLoan);

    92

    93

DEF_COMMAND(CmdWantEnginePreview);

    94

    95

DEF_COMMAND(CmdNameVehicle);

    96

DEF_COMMAND(CmdRenameEngine);

    97

    98

DEF_COMMAND(CmdChangeCompanyName);

    99

DEF_COMMAND(CmdChangePresidentName);

   100

   101

DEF_COMMAND(CmdRenameStation);

   102

   103

DEF_COMMAND(CmdSellAircraft);

   104

DEF_COMMAND(CmdStartStopAircraft);

   105

DEF_COMMAND(CmdBuildAircraft);

   106

DEF_COMMAND(CmdSendAircraftToHangar);

   107

DEF_COMMAND(CmdRefitAircraft);

   108

   109

DEF_COMMAND(CmdPlaceSign);

   110

DEF_COMMAND(CmdRenameSign);

   111

   112

DEF_COMMAND(CmdBuildRoadVeh);

   113

DEF_COMMAND(CmdStartStopRoadVeh);

   114

DEF_COMMAND(CmdSellRoadVeh);

   115

DEF_COMMAND(CmdSendRoadVehToDepot);

   116

DEF_COMMAND(CmdTurnRoadVeh);

   117

DEF_COMMAND(CmdRefitRoadVeh);

   118

   119

DEF_COMMAND(CmdPause);

   120

   121

DEF_COMMAND(CmdBuyShareInCompany);

   122

DEF_COMMAND(CmdSellShareInCompany);

   123

DEF_COMMAND(CmdBuyCompany);

   124

   125

DEF_COMMAND(CmdBuildTown);

   126

   127

DEF_COMMAND(CmdRenameTown);

   128

DEF_COMMAND(CmdDoTownAction);

   129

   130

DEF_COMMAND(CmdSetRoadDriveSide);

   131

   132

DEF_COMMAND(CmdChangeDifficultyLevel);

   133

DEF_COMMAND(CmdChangePatchSetting);

   134

   135

DEF_COMMAND(CmdStartStopShip);

   136

DEF_COMMAND(CmdSellShip);

   137

DEF_COMMAND(CmdBuildShip);

   138

DEF_COMMAND(CmdSendShipToDepot);

   139

DEF_COMMAND(CmdRefitShip);

   140

   141

DEF_COMMAND(CmdOrderRefit);

   142

DEF_COMMAND(CmdCloneOrder);

   143

   144

DEF_COMMAND(CmdClearArea);

   145

   146

DEF_COMMAND(CmdGiveMoney);

   147

DEF_COMMAND(CmdMoneyCheat);

   148

DEF_COMMAND(CmdBuildCanal);

   149

DEF_COMMAND(CmdBuildLock);

   150

   151

DEF_COMMAND(CmdPlayerCtrl);

   152

   153

DEF_COMMAND(CmdLevelLand);

   154

   155

DEF_COMMAND(CmdRefitRailVehicle);

   156

   157

DEF_COMMAND(CmdBuildSignalTrack);

   158

DEF_COMMAND(CmdRemoveSignalTrack);

   159

   160

DEF_COMMAND(CmdSetAutoReplace);

   161

   162

DEF_COMMAND(CmdCloneVehicle);

   163

DEF_COMMAND(CmdMassStartStopVehicle);

   164

DEF_COMMAND(CmdDepotSellAllVehicles);

   165

DEF_COMMAND(CmdDepotMassAutoReplace);

   166

   167

/* The master command table */

   168

static const Command _command_proc_table[] = {

   169

	{CmdBuildRailroadTrack,           CMD_AUTO}, /*   0 */

   170

	{CmdRemoveRailroadTrack,          CMD_AUTO}, /*   1 */

   171

	{CmdBuildSingleRail,              CMD_AUTO}, /*   2 */

   172

	{CmdRemoveSingleRail,             CMD_AUTO}, /*   3 */

   173

	{CmdLandscapeClear,                      0}, /*   4 */

   174

	{CmdBuildBridge,                  CMD_AUTO}, /*   5 */

   175

	{CmdBuildRailroadStation,         CMD_AUTO}, /*   6 */

   176

	{CmdBuildTrainDepot,              CMD_AUTO}, /*   7 */

   177

	{CmdBuildSingleSignal,            CMD_AUTO}, /*   8 */

   178

	{CmdRemoveSingleSignal,           CMD_AUTO}, /*   9 */

   179

	{CmdTerraformLand,                CMD_AUTO}, /*  10 */

   180

	{CmdPurchaseLandArea,             CMD_AUTO}, /*  11 */

   181

	{CmdSellLandArea,                        0}, /*  12 */

   182

	{CmdBuildTunnel,                  CMD_AUTO}, /*  13 */

   183

	{CmdRemoveFromRailroadStation,           0}, /*  14 */

   184

	{CmdConvertRail,                         0}, /*  15 */

   185

	{CmdBuildTrainWaypoint,                  0}, /*  16 */

   186

	{CmdRenameWaypoint,                      0}, /*  17 */

   187

	{CmdRemoveTrainWaypoint,                 0}, /*  18 */

   188

	{NULL,                                   0}, /*  19 */

   189

	{NULL,                                   0}, /*  20 */

   190

	{CmdBuildRoadStop,                CMD_AUTO}, /*  21 */

   191

	{NULL,                                   0}, /*  22 */

   192

	{CmdBuildLongRoad,                CMD_AUTO}, /*  23 */

   193

	{CmdRemoveLongRoad,               CMD_AUTO}, /*  24 */

   194

	{CmdBuildRoad,                           0}, /*  25 */

   195

	{CmdRemoveRoad,                          0}, /*  26 */

   196

	{CmdBuildRoadDepot,               CMD_AUTO}, /*  27 */

   197

	{NULL,                                   0}, /*  28 */

   198

	{CmdBuildAirport,                 CMD_AUTO}, /*  29 */

   199

	{CmdBuildDock,                    CMD_AUTO}, /*  30 */

   200

	{CmdBuildShipDepot,               CMD_AUTO}, /*  31 */

   201

	{CmdBuildBuoy,                    CMD_AUTO}, /*  32 */

   202

	{CmdPlantTree,                    CMD_AUTO}, /*  33 */

   203

	{CmdBuildRailVehicle,                    0}, /*  34 */

   204

	{CmdMoveRailVehicle,                     0}, /*  35 */

   205

	{CmdStartStopTrain,                      0}, /*  36 */

   206

	{NULL,                                   0}, /*  37 */

   207

	{CmdSellRailWagon,                       0}, /*  38 */

   208

	{CmdSendTrainToDepot,                    0}, /*  39 */

   209

	{CmdForceTrainProceed,                   0}, /*  40 */

   210

	{CmdReverseTrainDirection,               0}, /*  41 */

   211

   212

	{CmdModifyOrder,                         0}, /*  42 */

   213

	{CmdSkipOrder,                           0}, /*  43 */

   214

	{CmdDeleteOrder,                         0}, /*  44 */

   215

	{CmdInsertOrder,                         0}, /*  45 */

   216

   217

	{CmdChangeServiceInt,                    0}, /*  46 */

   218

   219

	{CmdBuildIndustry,                       0}, /*  47 */

   220

	{CmdBuildCompanyHQ,               CMD_AUTO}, /*  48 */

   221

	{CmdSetPlayerFace,                       0}, /*  49 */

   222

	{CmdSetPlayerColor,                      0}, /*  50 */

   223

   224

	{CmdIncreaseLoan,                        0}, /*  51 */

   225

	{CmdDecreaseLoan,                        0}, /*  52 */

   226

   227

	{CmdWantEnginePreview,                   0}, /*  53 */

   228

   229

	{CmdNameVehicle,                         0}, /*  54 */

   230

	{CmdRenameEngine,                        0}, /*  55 */

   231

   232

	{CmdChangeCompanyName,                   0}, /*  56 */

   233

	{CmdChangePresidentName,                 0}, /*  57 */

   234

   235

	{CmdRenameStation,                       0}, /*  58 */

   236

   237

	{CmdSellAircraft,                        0}, /*  59 */

   238

	{CmdStartStopAircraft,                   0}, /*  60 */

   239

   240

	{CmdBuildAircraft,                       0}, /*  61 */

   241

	{CmdSendAircraftToHangar,                0}, /*  62 */

   242

	{NULL,                                   0}, /*  63 */

   243

	{CmdRefitAircraft,                       0}, /*  64 */

   244

   245

	{CmdPlaceSign,                           0}, /*  65 */

   246

	{CmdRenameSign,                          0}, /*  66 */

   247

   248

	{CmdBuildRoadVeh,                        0}, /*  67 */

   249

	{CmdStartStopRoadVeh,                    0}, /*  68 */

   250

	{CmdSellRoadVeh,                         0}, /*  69 */

   251

	{CmdSendRoadVehToDepot,                  0}, /*  70 */

   252

	{CmdTurnRoadVeh,                         0}, /*  71 */

   253

	{CmdRefitRoadVeh,                        0}, /*  72 */

   254

   255

	{CmdPause,                      CMD_SERVER}, /*  73 */

   256

   257

	{CmdBuyShareInCompany,                   0}, /*  74 */

   258

	{CmdSellShareInCompany,                  0}, /*  75 */

   259

	{CmdBuyCompany,                          0}, /*  76 */

   260

   261

	{CmdBuildTown,                 CMD_OFFLINE}, /*  77 */

   262

	{NULL,                                   0}, /*  78 */

   263

	{NULL,                                   0}, /*  79 */

   264

	{CmdRenameTown,                 CMD_SERVER}, /*  80 */

   265

	{CmdDoTownAction,                        0}, /*  81 */

   266

   267

	{CmdSetRoadDriveSide,           CMD_SERVER}, /*  82 */

   268

	{NULL,                                   0}, /*  83 */

   269

	{NULL,                                   0}, /*  84 */

   270

	{CmdChangeDifficultyLevel,      CMD_SERVER}, /*  85 */

   271

   272

	{CmdStartStopShip,                       0}, /*  86 */

   273

	{CmdSellShip,                            0}, /*  87 */

   274

	{CmdBuildShip,                           0}, /*  88 */

   275

	{CmdSendShipToDepot,                     0}, /*  89 */

   276

	{NULL,                                   0}, /*  90 */

   277

	{CmdRefitShip,                           0}, /*  91 */

   278

   279

	{NULL,                                   0}, /*  92 */

   280

	{NULL,                                   0}, /*  93 */

   281

	{NULL,                                   0}, /*  94 */

   282

	{NULL,                                   0}, /*  95 */

   283

	{NULL,                                   0}, /*  96 */

   284

	{NULL,                                   0}, /*  97 */

   285

   286

	{CmdOrderRefit,                          0}, /*  98 */

   287

	{CmdCloneOrder,                          0}, /*  99 */

   288

   289

	{CmdClearArea,                           0}, /* 100 */

   290

	{NULL,                                   0}, /* 101 */

   291

   292

	{CmdMoneyCheat,                CMD_OFFLINE}, /* 102 */

   293

	{CmdBuildCanal,                   CMD_AUTO}, /* 103 */

   294

	{CmdPlayerCtrl,                          0}, /* 104 */

   295

   296

	{CmdLevelLand,                    CMD_AUTO}, /* 105 */

   297

   298

	{CmdRefitRailVehicle,                    0}, /* 106 */

   299

	{CmdRestoreOrderIndex,                   0}, /* 107 */

   300

	{CmdBuildLock,                    CMD_AUTO}, /* 108 */

   301

	{NULL,                                   0}, /* 109 */

   302

	{CmdBuildSignalTrack,             CMD_AUTO}, /* 110 */

   303

	{CmdRemoveSignalTrack,            CMD_AUTO}, /* 111 */

   304

	{NULL,                                   0}, /* 112 */

   305

	{CmdGiveMoney,                           0}, /* 113 */

   306

	{CmdChangePatchSetting,         CMD_SERVER}, /* 114 */

   307

	{CmdSetAutoReplace,                      0}, /* 115 */

   308

	{CmdCloneVehicle,                        0}, /* 116 */

   309

	{CmdMassStartStopVehicle,                0}, /* 117 */

   310

	{CmdDepotSellAllVehicles,                0}, /* 118 */

   311

	{CmdDepotMassAutoReplace,                0}, /* 119 */

   312

};

   313

   314

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

   315

bool IsValidCommand(uint cmd)

   316

{

   317

	cmd &= 0xFF;

   318

   319

	return

   320

		cmd < lengthof(_command_proc_table) &&

   321

		_command_proc_table[cmd].proc != NULL;

   322

}

   323

   324

byte GetCommandFlags(uint cmd)

   325

{

   326

	return _command_proc_table[cmd & 0xFF].flags;

   327

}

   328

   329

   330

static int _docommand_recursive;

   331

   332

int32 DoCommand(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint procc)

   333

{

   334

	int32 res;

   335

	CommandProc *proc;

   336

   337

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

   338

	if (tile >= MapSize() || IsTileType(tile, MP_VOID)) {

   339

		_cmd_text = NULL;

   340

		return CMD_ERROR;

   341

	}

   342

   343

	proc = _command_proc_table[procc].proc;

   344

   345

	if (_docommand_recursive == 0) _error_message = INVALID_STRING_ID;

   346

   347

	_docommand_recursive++;

   348

   349

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

   350

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

   351

		res = proc(tile, flags & ~DC_EXEC, p1, p2);

   352

		if (CmdFailed(res)) {

   353

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

   354

			goto error;

   355

		}

   356

   357

		if (_docommand_recursive == 1 &&

   358

				!(flags & DC_QUERY_COST) &&

   359

				res != 0 &&

   360

				!CheckPlayerHasMoney(res)) {

   361

			goto error;

   362

		}

   363

   364

		if (!(flags & DC_EXEC)) {

   365

			_docommand_recursive--;

   366

			_cmd_text = NULL;

   367

			return res;

   368

		}

   369

	}

   370

   371

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

   372

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

   373

	res = proc(tile, flags, p1, p2);

   374

	if (CmdFailed(res)) {

   375

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

   376

error:

   377

		_docommand_recursive--;

   378

		_cmd_text = NULL;

   379

		return CMD_ERROR;

   380

	}

   381

   382

	// if toplevel, subtract the money.

   383

	if (--_docommand_recursive == 0) {

   384

		SubtractMoneyFromPlayer(res);

   385

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

   386

		if (tile != 0 && IsValidPlayer(_current_player)) {

   387

			GetPlayer(_current_player)->last_build_coordinate = tile;

   388

		}

   389

	}

   390

   391

	_cmd_text = NULL;

   392

	return res;

   393

}

   394

   395

int32 GetAvailableMoneyForCommand(void)

   396

{

   397

	PlayerID pid = _current_player;

   398

	if (!IsValidPlayer(pid)) return 0x7FFFFFFF; // max int

   399

	return GetPlayer(pid)->player_money;

   400

}

   401

   402

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

   403

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

   404

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

   405

{

   406

	int32 res = 0,res2;

   407

	CommandProc *proc;

   408

	uint32 flags;

   409

	bool notest;

   410

	StringID error_part1;

   411

   412

	int x = TileX(tile) * TILE_SIZE;

   413

	int y = TileY(tile) * TILE_SIZE;

   414

   415

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

   416

	if (tile >= MapSize() || IsTileType(tile, MP_VOID)) {

   417

		_cmd_text = NULL;

   418

		return false;

   419

	}

   420

   421

	assert(_docommand_recursive == 0);

   422

   423

	_error_message = INVALID_STRING_ID;

   424

	error_part1 = GB(cmd, 16, 16);

   425

	_additional_cash_required = 0;

   426

   427

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

   428

	 * is/can be a spectator but as the server it can do anything */

   429

	if (_current_player == PLAYER_SPECTATOR && !_network_server) {

   430

		ShowErrorMessage(_error_message, error_part1, x, y);

   431

		_cmd_text = NULL;

   432

		return false;

   433

	}

   434

   435

	flags = 0;

   436

	if (cmd & CMD_NO_WATER) flags |= DC_NO_WATER;

   437

   438

	// get pointer to command handler

   439

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

   440

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

   441

	if (proc == NULL) {

   442

		_cmd_text = NULL;

   443

		return false;

   444

	}

   445

   446

	if (GetCommandFlags(cmd) & CMD_AUTO) flags |= DC_AUTO;

   447

   448

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

   449

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

   450

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

   451

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

   452

	// CMD_REMOVE_ROAD: This command has special local authority

   453

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

   454

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

   455

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

   456

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

   457

	notest =

   458

		(cmd & 0xFF) == CMD_CLEAR_AREA ||

   459

		(cmd & 0xFF) == CMD_CONVERT_RAIL ||

   460

		(cmd & 0xFF) == CMD_LEVEL_LAND ||

   461

		(cmd & 0xFF) == CMD_REMOVE_ROAD ||

   462

		(cmd & 0xFF) == CMD_REMOVE_LONG_ROAD;

   463

   464

	_docommand_recursive = 1;

   465

   466

	// cost estimation only?

   467

	if (!IsGeneratingWorld() &&

   468

			_shift_pressed &&

   469

			IsLocalPlayer() &&

   470

			!(cmd & (CMD_NETWORK_COMMAND | CMD_SHOW_NO_ERROR)) &&

   471

			(cmd & 0xFF) != CMD_PAUSE) {

   472

		// estimate the cost.

   473

		res = proc(tile, flags, p1, p2);

   474

		if (CmdFailed(res)) {

   475

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

   476

			ShowErrorMessage(_error_message, error_part1, x, y);

   477

		} else {

   478

			ShowEstimatedCostOrIncome(res, x, y);

   479

		}

   480

   481

		_docommand_recursive = 0;

   482

		_cmd_text = NULL;

   483

		return false;

   484

	}

   485

   486

   487

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

   488

		// first test if the command can be executed.

   489

		res = proc(tile, flags, p1, p2);

   490

		if (CmdFailed(res)) {

   491

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

   492

			goto show_error;

   493

		}

   494

		// no money? Only check if notest is off

   495

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

   496

	}

   497

   498

#ifdef ENABLE_NETWORK