1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "table/strings.h"

     4

#include "map.h"

     5

#include "gui.h"

     6

#include "command.h"

     7

#include "player.h"

     8

#include "network.h"

     9

    10

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

    11

    12

DEF_COMMAND(CmdBuildRailroadTrack);

    13

DEF_COMMAND(CmdRemoveRailroadTrack);

    14

DEF_COMMAND(CmdBuildSingleRail);

    15

DEF_COMMAND(CmdRemoveSingleRail);

    16

    17

DEF_COMMAND(CmdLandscapeClear);

    18

    19

DEF_COMMAND(CmdBuildBridge);

    20

    21

DEF_COMMAND(CmdBuildRailroadStation);

    22

DEF_COMMAND(CmdRemoveFromRailroadStation);

    23

DEF_COMMAND(CmdConvertRail);

    24

    27

    28

DEF_COMMAND(CmdTerraformLand);

    29

    30

DEF_COMMAND(CmdPurchaseLandArea);

    31

DEF_COMMAND(CmdSellLandArea);

    32

    33

DEF_COMMAND(CmdBuildTunnel);

    34

    35

DEF_COMMAND(CmdBuildTrainDepot);

    36

DEF_COMMAND(CmdBuildTrainWaypoint);

    37

DEF_COMMAND(CmdRenameWaypoint);

    38

DEF_COMMAND(CmdRemoveTrainWaypoint);

    39

    40

DEF_COMMAND(CmdBuildRoadStop);

    41

    42

DEF_COMMAND(CmdBuildLongRoad);

    43

DEF_COMMAND(CmdRemoveLongRoad);

    44

DEF_COMMAND(CmdBuildRoad);

    45

DEF_COMMAND(CmdRemoveRoad);

    46

    47

DEF_COMMAND(CmdBuildRoadDepot);

    48

    49

DEF_COMMAND(CmdBuildAirport);

    50

    51

DEF_COMMAND(CmdBuildDock);

    52

    53

DEF_COMMAND(CmdBuildShipDepot);

    54

    55

DEF_COMMAND(CmdBuildBuoy);

    56

    57

DEF_COMMAND(CmdPlantTree);

    58

    59

DEF_COMMAND(CmdBuildRailVehicle);

    60

DEF_COMMAND(CmdMoveRailVehicle);

    61

    62

DEF_COMMAND(CmdStartStopTrain);

    63

    64

DEF_COMMAND(CmdSellRailWagon);

    65

    66

DEF_COMMAND(CmdTrainGotoDepot);

    67

DEF_COMMAND(CmdForceTrainProceed);

    68

DEF_COMMAND(CmdReverseTrainDirection);

    69

    70

DEF_COMMAND(CmdModifyOrder);

    71

DEF_COMMAND(CmdSkipOrder);

    72

DEF_COMMAND(CmdDeleteOrder);

    73

DEF_COMMAND(CmdInsertOrder);

    74

DEF_COMMAND(CmdChangeTrainServiceInt);

    75

DEF_COMMAND(CmdRestoreOrderIndex);

    76

    77

DEF_COMMAND(CmdBuildIndustry);

    78

//DEF_COMMAND(CmdDestroyIndustry);

    79

    80

DEF_COMMAND(CmdBuildCompanyHQ);

    81

DEF_COMMAND(CmdDestroyCompanyHQ);

    82

DEF_COMMAND(CmdSetPlayerFace);

    83

DEF_COMMAND(CmdSetPlayerColor);

    84

    85

DEF_COMMAND(CmdIncreaseLoan);

    86

DEF_COMMAND(CmdDecreaseLoan);

    87

    88

DEF_COMMAND(CmdWantEnginePreview);

    89

    90

DEF_COMMAND(CmdNameVehicle);

    91

DEF_COMMAND(CmdRenameEngine);

    92

    93

DEF_COMMAND(CmdChangeCompanyName);

    94

DEF_COMMAND(CmdChangePresidentName);

    95

    96

DEF_COMMAND(CmdRenameStation);

    97

    98

DEF_COMMAND(CmdSellAircraft);

    99

DEF_COMMAND(CmdStartStopAircraft);

   100

DEF_COMMAND(CmdBuildAircraft);

   101

DEF_COMMAND(CmdSendAircraftToHangar);

   102

DEF_COMMAND(CmdChangeAircraftServiceInt);

   103

DEF_COMMAND(CmdRefitAircraft);

   104

   105

DEF_COMMAND(CmdPlaceSign);

   106

DEF_COMMAND(CmdRenameSign);

   107

   108

DEF_COMMAND(CmdBuildRoadVeh);

   109

DEF_COMMAND(CmdStartStopRoadVeh);

   110

DEF_COMMAND(CmdSellRoadVeh);

   111

DEF_COMMAND(CmdSendRoadVehToDepot);

   112

DEF_COMMAND(CmdTurnRoadVeh);

   113

DEF_COMMAND(CmdChangeRoadVehServiceInt);

   114

   115

DEF_COMMAND(CmdPause);

   116

DEF_COMMAND(CmdResume);

   117

   118

DEF_COMMAND(CmdBuyShareInCompany);

   119

DEF_COMMAND(CmdSellShareInCompany);

   120

DEF_COMMAND(CmdBuyCompany);

   121

   122

DEF_COMMAND(CmdBuildTown);

   123

   124

DEF_COMMAND(CmdRenameTown);

   125

DEF_COMMAND(CmdDoTownAction);

   126

   127

DEF_COMMAND(CmdSetRoadDriveSide);

   128

DEF_COMMAND(CmdSetTownNameType);

   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(CmdChangeShipServiceInt);

   138

DEF_COMMAND(CmdRefitShip);

   139

   140

   141

DEF_COMMAND(CmdStartNewGame);

   142

DEF_COMMAND(CmdLoadGame);

   143

DEF_COMMAND(CmdCreateScenario);

   144

DEF_COMMAND(CmdSetSinglePlayer);

   145

   146

DEF_COMMAND(CmdSetNewLandscapeType);

   147

   148

DEF_COMMAND(CmdGenRandomNewGame);

   149

DEF_COMMAND(CmdCloneOrder);

   150

   151

DEF_COMMAND(CmdClearArea);

   152

   153

DEF_COMMAND(CmdGiveMoney);

   154

DEF_COMMAND(CmdMoneyCheat);

   155

DEF_COMMAND(CmdBuildCanal);

   156

DEF_COMMAND(CmdBuildLock);

   157

   158

DEF_COMMAND(CmdPlayerCtrl);

   159

   160

DEF_COMMAND(CmdLevelLand);

   161

   162

DEF_COMMAND(CmdRefitRailVehicle);

   163

   164

DEF_COMMAND(CmdStartScenario);

   165

   168

   169

DEF_COMMAND(CmdReplaceVehicle);

   170

   171

/* The master command table */

   172

static CommandProc * const _command_proc_table[] = {

   173

	CmdBuildRailroadTrack,				/* 0  */

   174

	CmdRemoveRailroadTrack,				/* 1  */

   175

	CmdBuildSingleRail,						/* 2  */

   176

	CmdRemoveSingleRail,					/* 3  */

   177

	CmdLandscapeClear,						/* 4  */

   178

	CmdBuildBridge,								/* 5  */

   179

	CmdBuildRailroadStation,			/* 6  */

   180

	CmdBuildTrainDepot,						/* 7  */

   183

	CmdTerraformLand,							/* 10 */

   184

	CmdPurchaseLandArea,					/* 11 */

   185

	CmdSellLandArea,							/* 12 */

   186

	CmdBuildTunnel,								/* 13 */

   187

	CmdRemoveFromRailroadStation,	/* 14 */

   188

	CmdConvertRail,								/* 15 */

   189

	CmdBuildTrainWaypoint,				/* 16 */

   190

	CmdRenameWaypoint,						/* 17 */

   191

	CmdRemoveTrainWaypoint,				/* 18 */

   192

	NULL,                         /* 19 */

   193

	NULL,													/* 20 */

   194

	CmdBuildRoadStop,							/* 21 */

   195

	NULL,													/* 22 */

   196

	CmdBuildLongRoad,							/* 23 */

   197

	CmdRemoveLongRoad,						/* 24 */

   198

	CmdBuildRoad,									/* 25 */

   199

	CmdRemoveRoad,								/* 26 */

   200

	CmdBuildRoadDepot,						/* 27 */

   201

	NULL,													/* 28 */

   202

	CmdBuildAirport,							/* 29 */

   203

	CmdBuildDock,									/* 30 */

   204

	CmdBuildShipDepot,						/* 31 */

   205

	CmdBuildBuoy,									/* 32 */

   206

	CmdPlantTree,									/* 33 */

   207

	CmdBuildRailVehicle,					/* 34 */

   208

	CmdMoveRailVehicle,						/* 35 */

   209

	CmdStartStopTrain,						/* 36 */

   210

	NULL,													/* 37 */

   211

	CmdSellRailWagon,							/* 38 */

   212

	CmdTrainGotoDepot,						/* 39 */

   213

	CmdForceTrainProceed,					/* 40 */

   214

	CmdReverseTrainDirection,			/* 41 */

   215

   216

	CmdModifyOrder,								/* 42 */

   217

	CmdSkipOrder,									/* 43 */

   218

	CmdDeleteOrder,								/* 44 */

   219

	CmdInsertOrder,								/* 45 */

   220

   221

	CmdChangeTrainServiceInt,			/* 46 */

   222

   223

	CmdBuildIndustry,							/* 47 */

   224

	CmdBuildCompanyHQ,						/* 48 */

   225

	CmdSetPlayerFace,							/* 49 */

   226

	CmdSetPlayerColor,						/* 50 */

   227

   228

	CmdIncreaseLoan,							/* 51 */

   229

	CmdDecreaseLoan,							/* 52 */

   230

   231

	CmdWantEnginePreview,					/* 53 */

   232

   233

	CmdNameVehicle,								/* 54 */

   234

	CmdRenameEngine,							/* 55 */

   235

   236

	CmdChangeCompanyName,					/* 56 */

   237

	CmdChangePresidentName,				/* 57 */

   238

   239

	CmdRenameStation,							/* 58 */

   240

   241

	CmdSellAircraft,							/* 59 */

   242

	CmdStartStopAircraft,					/* 60 */

   243

	CmdBuildAircraft,							/* 61 */

   244

	CmdSendAircraftToHangar,			/* 62 */

   245

	CmdChangeAircraftServiceInt,	/* 63 */

   246

	CmdRefitAircraft,							/* 64 */

   247

   248

	CmdPlaceSign,									/* 65 */

   249

	CmdRenameSign,								/* 66 */

   250

   251

	CmdBuildRoadVeh,							/* 67 */

   252

	CmdStartStopRoadVeh,					/* 68 */

   253

	CmdSellRoadVeh,								/* 69 */

   254

	CmdSendRoadVehToDepot,				/* 70 */

   255

	CmdTurnRoadVeh,								/* 71 */

   256

	CmdChangeRoadVehServiceInt,		/* 72 */

   257

   258

	CmdPause,											/* 73 */

   259

   260

	CmdBuyShareInCompany,					/* 74 */

   261

	CmdSellShareInCompany,				/* 75 */

   262

	CmdBuyCompany,								/* 76 */

   263

   264

	CmdBuildTown,									/* 77 */

   265

	NULL,													/* 78 */

   266

	NULL,													/* 79 */

   267

	CmdRenameTown,								/* 80 */

   268

	CmdDoTownAction,							/* 81 */

   269

   270

	CmdSetRoadDriveSide,					/* 82 */

   271

	CmdSetTownNameType,						/* 83 */

   272

	NULL,													/* 84 */

   273

	CmdChangeDifficultyLevel,			/* 85 */

   274

   275

	CmdStartStopShip,							/* 86 */

   276

	CmdSellShip,									/* 87 */

   277

	CmdBuildShip,									/* 88 */

   278

	CmdSendShipToDepot,						/* 89 */

   279

	CmdChangeShipServiceInt,			/* 90 */

   280

	CmdRefitShip,									/* 91 */

   281

   282

	CmdStartNewGame,							/* 92 */

   283

	CmdLoadGame,									/* 93 */

   284

	CmdCreateScenario,						/* 94 */

   285

	CmdSetSinglePlayer,						/* 95 */

   286

	NULL,													/* 96 */

   287

	CmdSetNewLandscapeType,				/* 97 */

   288

   289

	CmdGenRandomNewGame,					/* 98 */

   290

   291

	CmdCloneOrder,								/* 99 */

   292

   293

	CmdClearArea,									/* 100 */

   294

	CmdResume,										/* 101 */

   295

   296

	CmdMoneyCheat,								/* 102 */

   297

	CmdBuildCanal,								/* 103 */

   298

	CmdPlayerCtrl,								/* 104 */

   299

   300

	CmdLevelLand,									/* 105 */

   301

   302

	CmdRefitRailVehicle,					/* 106 */

   303

	CmdRestoreOrderIndex,					/* 107 */

   304

	CmdBuildLock,									/* 108 */

   305

	CmdStartScenario,							/* 109 */

   314

};

   315

   316

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

   317

bool IsValidCommand(uint cmd)

   318

{

   319

	cmd = cmd & 0xFF;

   320

   321

	if (cmd >= lengthof(_command_proc_table) || _command_proc_table[cmd] == NULL)

   322

		return false;

   323

   324

	return true;

   325

}

   326

   327

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

   328

{

   329

	return DoCommand(TileX(tile) * 16, TileY(tile) * 16, p1, p2, flags, procc);

   330

}

   331

   332

   333

//extern void _stdcall Sleep(int s);

   334

   335

int32 DoCommand(int x, int y, uint32 p1, uint32 p2, uint32 flags, uint procc)

   336

{

   337

	int32 res;

   338

	CommandProc *proc;

   339

   340

	proc = _command_proc_table[procc];

   341

   342

	if (_docommand_recursive == 0) {

   343

		_error_message = INVALID_STRING_ID;

   344

		// update last build coord of player

   345

		if ( (x|y) != 0 && _current_player < MAX_PLAYERS) {

   346

			DEREF_PLAYER(_current_player)->last_build_coordinate = TILE_FROM_XY(x,y);

   347

		}

   348

	}

   349

   350

	_docommand_recursive++;

   351

   352

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

   353

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

   354

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

   355

		if ((uint32)res >> 16 == 0x8000) {

   356

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

   357

			goto error;

   358

		}

   359

   360

		if (_docommand_recursive == 1) {

   361

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

   362

				goto error;

   363

		}

   364

   365

		if (!(flags & DC_EXEC)) {

   366

			_docommand_recursive--;

   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(x, y, flags, p1, p2);

   374

	if ((uint32)res >> 16 == 0x8000) {

   375

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

   376

error:

   377

		_docommand_recursive--;

   378

		return CMD_ERROR;

   379

	}

   380

   381

	// if toplevel, subtract the money.

   382

	if (--_docommand_recursive == 0) {

   383

		SubtractMoneyFromPlayer(res);

   384

	}

   385

   386

	return res;

   387

}

   388

   389

int32 GetAvailableMoneyForCommand(void)

   390

{

   391

	uint pid = _current_player;

   392

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

   393

	return DEREF_PLAYER(pid)->player_money;

   394

}

   395

   396

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

   397

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

   398

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

   399

{

   400

	int32 res = 0,res2;

   401

	CommandProc *proc;

   402

	uint32 flags;

   403

	bool notest;

   404

   405

	int x = TileX(tile) * 16;

   406

	int y = TileY(tile) * 16;

   407

   408

	assert(_docommand_recursive == 0);

   409

   410

	_error_message = INVALID_STRING_ID;

   411

	_error_message_2 = cmd >> 16;

   412

	_additional_cash_required = 0;

   413

   414

	// spectator has no rights.

   415

	if (_current_player == OWNER_SPECTATOR) {

   416

		ShowErrorMessage(_error_message, _error_message_2, x, y);

   417

		return false;

   418

	}

   419

   420

	flags = 0;

   421

	if (cmd & CMD_AUTO) flags |= DC_AUTO;

   422

	if (cmd & CMD_NO_WATER) flags |= DC_NO_WATER;

   423

   424

	// get pointer to command handler

   425

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

   426

	proc = _command_proc_table[cmd & 0xFF];

   427

   428

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

   429

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

   430

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

   431

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

   432

	// CMD_REMOVE_ROAD: This command has special local authority

   433

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

   434

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

   435

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

   436

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

   437

	notest =

   438

		(cmd & 0xFF) == CMD_CLEAR_AREA ||

   439

		(cmd & 0xFF) == CMD_CONVERT_RAIL ||

   440

		(cmd & 0xFF) == CMD_LEVEL_LAND ||

   441

		(cmd & 0xFF) == CMD_REMOVE_ROAD;

   442

   443

	_docommand_recursive = 1;

   444

   445

	// cost estimation only?

   446

	if (_shift_pressed && _current_player == _local_player && !(cmd & (CMD_NETWORK_COMMAND | CMD_SHOW_NO_ERROR))) {

   447

		// estimate the cost.

   448

		res = proc(x, y, flags, p1, p2);

   449

		if ((uint32)res >> 16 == 0x8000) {

   450

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

   451

			ShowErrorMessage(_error_message, _error_message_2, x, y);

   452

		} else {

   453

			ShowEstimatedCostOrIncome(res, x, y);

   454

		}

   455

   456

		_docommand_recursive = 0;

   457

		return false;

   458

	}

   459

   460

   461

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

   462

		// first test if the command can be executed.

   463

		res = proc(x,y, flags, p1, p2);

   464

		if ((uint32)res >> 16 == 0x8000) {

   465

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

   466

			goto show_error;

   467

		}

   468

		// no money? Only check if notest is off

   469

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

   470

	}

   471

   472

#ifdef ENABLE_NETWORK

   473

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

   474

	//   send it to the command-queue and abort execution

   475

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

   476

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

   477

		_docommand_recursive = 0;

   478

		return true;

   479

	}

   480

#endif /* ENABLE_NETWORK */

   481

   482

	// update last build coordinate of player.

   483

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

   484

   485

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

   486

	 * use the construction one */

   487

	_yearly_expenses_type = EXPENSES_CONSTRUCTION;

   488

	res2 = proc(x,y, flags|DC_EXEC, p1, p2);

   489

   490

	// If notest is on, it means the result of the test can be different than

   491

	//   the real command.. so ignore the test

   492

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

   493

		assert(res == res2); // sanity check

   494

	} else {

   495

		if ((uint32)res2 >> 16 == 0x8000) {

   496

			if (res2 & 0xFFFF) _error_message = res2 & 0xFFFF;

   497

			goto show_error;

   498

		}

   499

	}

   500

   501

	SubtractMoneyFromPlayer(res2);

   502

   503

	if (_current_player == _local_player && _game_mode != GM_EDITOR) {

   504

		if (res2 != 0)

   505

			ShowCostOrIncomeAnimation(x, y, GetSlopeZ(x, y), res2);

   506

		if (_additional_cash_required) {

   507

			SetDParam(0, _additional_cash_required);

   508

			ShowErrorMessage(STR_0003_NOT_ENOUGH_CASH_REQUIRES, _error_message_2, x,y);

   509

			if (res2 == 0) goto callb_err;