1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "string.h"

     4

#include "strings.h" // XXX GetParam*

     5

#include "table/strings.h"

     6

#include "map.h"

     7

#include "vehicle.h"

     8

#include "gfx.h"

     9

#include "assert.h"

    10

#include "saveload.h"

    11

#include "network.h"

    12

#include "network_data.h"

    13

#include "network_server.h"

    14

#include "engine.h"

    15

    16

extern void StartupEconomy(void);

    17

extern void InitNewsItemStructs(void);

    18

    19

char _name_array[512][32];

    20

    21

static inline uint32 ROR(uint32 x, int n)

    22

{

    23

	return (x >> n) + (x << ((sizeof(x)*8)-n));

    24

}

    25

    26

/* XXX - Player-seeds don't seem to be used anymore.. which is a good thing

    27

     so I just disabled them for now. If there are no problems, we can remove

    28

     it completely! -- TrueLight */

    29

#undef PLAYER_SEED_RANDOM

    30

    31

#ifdef RANDOM_DEBUG

    32

#include "network_data.h"

    33

    34

uint32 DoRandom(int line, const char *file)

    35

#else

    36

uint32 Random(void)

    37

#endif

    38

{

    39

    40

uint32 s;

    41

uint32 t;

    42

    43

#ifdef RANDOM_DEBUG

    44

	if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))

    45

		printf("Random [%d/%d] %s:%d\n",_frame_counter, _current_player, file, line);

    46

#endif

    47

    48

#ifdef PLAYER_SEED_RANDOM

    49

	if (_current_player>=MAX_PLAYERS || !_networking) {

    50

		s = _random_seeds[0][0];

    51

		t = _random_seeds[0][1];

    52

		_random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;

    53

		return _random_seeds[0][1] = ROR(s, 3) - 1;

    54

	} else {

    55

		uint32 s = _player_seeds[_current_player][0];

    56

		uint32 t = _player_seeds[_current_player][1];

    57

		_player_seeds[_current_player][0] = s + ROR(t ^ 0x1234567F, 7) + 1;

    58

		DEBUG(net, 1)("[NET-Seeds] Player seed called!");

    59

		return _player_seeds[_current_player][1] = ROR(s, 3) - 1;

    60

	}

    61

#else

    62

	s = _random_seeds[0][0];

    63

	t = _random_seeds[0][1];

    64

	_random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;

    65

	return _random_seeds[0][1] = ROR(s, 3) - 1;

    66

#endif

    67

}

    68

    69

#ifdef RANDOM_DEBUG

    70

uint DoRandomRange(uint max, int line, const char *file)

    71

{

    72

	return (uint16)DoRandom(line, file) * max >> 16;

    73

}

    74

#else

    75

uint RandomRange(uint max)

    76

{

    77

	return (uint16)Random() * max >> 16;

    78

}

    79

#endif

    80

    81

uint32 InteractiveRandom(void)

    82

{

    83

	uint32 t = _random_seeds[1][1];

    84

	uint32 s = _random_seeds[1][0];

    85

	_random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;

    86

	return _random_seeds[1][1] = ROR(s, 3) - 1;

    87

}

    88

    89

uint InteractiveRandomRange(uint max)

    90

{

    91

	return (uint16)InteractiveRandom() * max >> 16;

    92

}

    93

    94

void InitPlayerRandoms(void)

    95

{

    96

	int i;

    97

	for (i=0; i<MAX_PLAYERS; i++) {

    98

		_player_seeds[i][0]=InteractiveRandom();

    99

		_player_seeds[i][1]=InteractiveRandom();

   100

	}

   101

}

   102

   103

void SetDate(uint date)

   104

{

   105

	YearMonthDay ymd;

   106

	ConvertDayToYMD(&ymd, _date = date);

   107

	_cur_year = ymd.year;

   108

	_cur_month = ymd.month;

   109

#ifdef ENABLE_NETWORK

   110

	_network_last_advertise_date = 0;

   111

#endif /* ENABLE_NETWORK */

   112

}

   113

   114

   115

// multi os compatible sleep function

   116

   117

#ifdef __AMIGA__

   118

// usleep() implementation

   119

#	include <devices/timer.h>

   120

#	include <dos/dos.h>

   121

   122

	extern struct Device      *TimerBase    = NULL;

   123

	extern struct MsgPort     *TimerPort    = NULL;

   124

	extern struct timerequest *TimerRequest = NULL;

   125

#endif // __AMIGA__

   126

   127

void CSleep(int milliseconds)

   128

{

   129

	#if defined(WIN32)

   130

		Sleep(milliseconds);

   131

	#endif

   132

	#if defined(UNIX)

   133

		#if !defined(__BEOS__) && !defined(__AMIGA__)

   134

			usleep(milliseconds * 1000);

   135

		#endif

   136

		#ifdef __BEOS__

   137

			snooze(milliseconds * 1000);

   138

		#endif

   139

		#if defined(__AMIGA__)

   140

		{

   141

			ULONG signals;

   142

			ULONG TimerSigBit = 1 << TimerPort->mp_SigBit;

   143

   144

			// send IORequest

   145

			TimerRequest->tr_node.io_Command = TR_ADDREQUEST;

   146

			TimerRequest->tr_time.tv_secs    = (milliseconds * 1000) / 1000000;

   147

			TimerRequest->tr_time.tv_micro   = (milliseconds * 1000) % 1000000;

   148

			SendIO((struct IORequest *)TimerRequest);

   149

   150

			if (!((signals = Wait(TimerSigBit | SIGBREAKF_CTRL_C)) & TimerSigBit) ) {

   151

				AbortIO((struct IORequest *)TimerRequest);

   152

			}

   153

			WaitIO((struct IORequest *)TimerRequest);

   154

		}

   155

		#endif // __AMIGA__

   156

	#endif

   157

}

   158

   159

void InitializeVehicles(void);

   160

void InitializeDepot(void);

   161

void InitializeOrders(void);

   162

void InitializeClearLand(void);

   163

void InitializeRail(void);

   164

void InitializeRailGui(void);

   165

void InitializeRoad(void);

   166

void InitializeRoadGui(void);

   167

void InitializeAirportGui(void);

   168

void InitializeDock(void);

   169

void InitializeDockGui(void);

   170

void InitializeIndustries(void);

   171

void InitializeLandscape(uint log_x, uint log_y);

   172

void InitializeTowns(void);

   173

void InitializeTrees(void);

   174

void InitializeSigns(void);

   175

void InitializeStations(void);

   176

static void InitializeNameMgr(void);

   177

void InitializePlayers(void);

   178

static void InitializeCheats(void);

   179

void InitializeNPF(void);

   180

   181

void GenerateLandscape(void);

   182

void GenerateClearTile(void);

   183

   184

void GenerateIndustries(void);

   185

void GenerateUnmovables(void);

   186

void GenerateTowns(void);

   187

   188

void StartupPlayers(void);

   189

void StartupDisasters(void);

   190

void GenerateTrees(void);

   191

   192

void ConvertGroundTilesIntoWaterTiles(void);

   193

   194

void InitializeGame(uint log_x, uint log_y)

   195

{

   196

	// Initialize the autoreplace array. Needs to be cleared between each game

   197

	uint i;

   198

	for (i = 0; i < lengthof(_autoreplace_array); i++)

   199

		_autoreplace_array[i] = i;

   200

   201

	_railtype_selected_in_replace_gui = 0;

   202

   203

	AddTypeToEngines(); // make sure all engines have a type

   204

   205

	SetObjectToPlace(1, 0, 0, 0);

   206

   207

	_pause = 0;

   208

	_fast_forward = 0;

   209

	_tick_counter = 0;

   210

	_date_fract = 0;

   211

	_cur_tileloop_tile = 0;

   212

	_vehicle_id_ctr_day = 0;

   213

   214

	{

   215

		uint starting = ConvertIntDate(_patches.starting_date);

   216

		if ( starting == (uint)-1) starting = 10958;

   217

		SetDate(starting);

   218

	}

   219

   220

	InitializeVehicles();

   221

	InitializeDepot();

   222

	InitializeOrders();

   223

   224

	InitNewsItemStructs();

   225

	InitializeLandscape(log_x, log_y);

   226

	InitializeClearLand();

   227

	InitializeRail();

   228

	InitializeRailGui();

   229

	InitializeRoad();

   230

	InitializeRoadGui();

   231

	InitializeAirportGui();

   232

	InitializeDock();

   233

	InitializeDockGui();

   234

	InitializeTowns();

   235

	InitializeTrees();

   236

	InitializeSigns();

   237

	InitializeStations();

   238

	InitializeIndustries();

   239

   240

	InitializeNameMgr();

   241

	InitializeVehiclesGuiList();

   242

	InitializeTrains();

   243

	InitializeNPF();

   244

   245

	InitializePlayers();

   246

	InitializeCheats();

   247

   248

	InitTextEffects();

   249

	InitTextMessage();

   250

	InitializeAnimatedTiles();

   251

   252

	InitializeLandscapeVariables(false);

   253

   254

	ResetObjectToPlace();

   255

}

   256

   257

void GenerateWorld(int mode, uint log_x, uint log_y)

   258

{

   259

	int i;

   260

   261

	// Make sure everything is done via OWNER_NONE

   262

	_current_player = OWNER_NONE;

   263

   264

	_generating_world = true;

   265

	InitializeGame(log_x, log_y);

   266

	SetObjectToPlace(1, 0, 0, 0);

   267

   268

	// Must start economy early because of the costs.

   269

	StartupEconomy();

   270

   271

	// Don't generate landscape items when in the scenario editor.

   272

	if (mode == 1) {

   273

		// empty world in scenario editor

   274

		ConvertGroundTilesIntoWaterTiles();

   275

	} else {

   276

		GenerateLandscape();

   277

		GenerateClearTile();

   278

   279

		// only generate towns, tree and industries in newgame mode.

   280

		if (mode == 0) {

   281

			GenerateTowns();

   282

			GenerateTrees();

   283

			GenerateIndustries();

   284

			GenerateUnmovables();

   285

		}

   286

	}

   287

   288

	// These are probably pointless when inside the scenario editor.

   289

	StartupPlayers();

   290

	StartupEngines();

   291

	StartupDisasters();

   292

	_generating_world = false;

   293

   294

	// No need to run the tile loop in the scenario editor.

   295

	if (mode != 1) {

   296

		for(i=0x500; i!=0; i--)

   297

			RunTileLoop();

   298

	}

   299

   300

	ResetObjectToPlace();

   301

}

   302

   303

void DeleteName(StringID id)

   304

{

   305

	if ((id & 0xF800) == 0x7800) {

   306

		memset(_name_array[id & 0x1FF], 0, sizeof(_name_array[id & 0x1FF]));

   307

	}

   308

}

   309

   310

char *GetName(int id, char *buff)

   311

{

   312

	if (id & 0x400) GetParamInt32();

   313

	if (id & 0x200) GetParamUint16();

   314

   315

	return strecpy(buff, _name_array[id & ~0x600], NULL);

   316

}

   317

   318

   319

static void InitializeCheats(void)

   320

{

   321

	memset(&_cheats, 0, sizeof(Cheats));

   322

}

   323

   324

   325

static void InitializeNameMgr(void)

   326

{

   327

	memset(_name_array, 0, sizeof(_name_array));

   328

}

   329

   330

StringID RealAllocateName(const char *name, byte skip, bool check_double)

   331

{

   332

	char (*free_item)[lengthof(*_name_array)] = NULL;

   333

	char (*i)[lengthof(*_name_array)];

   334

   335

	for (i = _name_array; i != endof(_name_array); ++i) {

   336

		if ((*i)[0] == '\0') {

   337

			if (free_item == NULL) free_item = i;

   338

		} else if (check_double && strncmp(*i, name, lengthof(*i) - 1) == 0) {

   339

			_error_message = STR_0132_CHOSEN_NAME_IN_USE_ALREADY;

   340

			return 0;

   341

		}

   342

	}

   343

   344

	if (free_item != NULL) {

   345

		ttd_strlcpy(*free_item, name, lengthof(*free_item));

   346

		return (free_item - _name_array) | 0x7800 | (skip << 8);

   347

	} else {

   348

		_error_message = STR_0131_TOO_MANY_NAMES_DEFINED;

   349

		return 0;

   350

	}

   351

}

   352

   353

   354

#define M(a,b) ((a<<5)|b)

   355

static const uint16 _month_date_from_year_day[] = {

   356

M(0,1),M(0,2),M(0,3),M(0,4),M(0,5),M(0,6),M(0,7),M(0,8),M(0,9),M(0,10),M(0,11),M(0,12),M(0,13),M(0,14),M(0,15),M(0,16),M(0,17),M(0,18),M(0,19),M(0,20),M(0,21),M(0,22),M(0,23),M(0,24),M(0,25),M(0,26),M(0,27),M(0,28),M(0,29),M(0,30),M(0,31),

   357

M(1,1),M(1,2),M(1,3),M(1,4),M(1,5),M(1,6),M(1,7),M(1,8),M(1,9),M(1,10),M(1,11),M(1,12),M(1,13),M(1,14),M(1,15),M(1,16),M(1,17),M(1,18),M(1,19),M(1,20),M(1,21),M(1,22),M(1,23),M(1,24),M(1,25),M(1,26),M(1,27),M(1,28),M(1,29),

   358

M(2,1),M(2,2),M(2,3),M(2,4),M(2,5),M(2,6),M(2,7),M(2,8),M(2,9),M(2,10),M(2,11),M(2,12),M(2,13),M(2,14),M(2,15),M(2,16),M(2,17),M(2,18),M(2,19),M(2,20),M(2,21),M(2,22),M(2,23),M(2,24),M(2,25),M(2,26),M(2,27),M(2,28),M(2,29),M(2,30),M(2,31),

   359

M(3,1),M(3,2),M(3,3),M(3,4),M(3,5),M(3,6),M(3,7),M(3,8),M(3,9),M(3,10),M(3,11),M(3,12),M(3,13),M(3,14),M(3,15),M(3,16),M(3,17),M(3,18),M(3,19),M(3,20),M(3,21),M(3,22),M(3,23),M(3,24),M(3,25),M(3,26),M(3,27),M(3,28),M(3,29),M(3,30),

   360

M(4,1),M(4,2),M(4,3),M(4,4),M(4,5),M(4,6),M(4,7),M(4,8),M(4,9),M(4,10),M(4,11),M(4,12),M(4,13),M(4,14),M(4,15),M(4,16),M(4,17),M(4,18),M(4,19),M(4,20),M(4,21),M(4,22),M(4,23),M(4,24),M(4,25),M(4,26),M(4,27),M(4,28),M(4,29),M(4,30),M(4,31),

   361

M(5,1),M(5,2),M(5,3),M(5,4),M(5,5),M(5,6),M(5,7),M(5,8),M(5,9),M(5,10),M(5,11),M(5,12),M(5,13),M(5,14),M(5,15),M(5,16),M(5,17),M(5,18),M(5,19),M(5,20),M(5,21),M(5,22),M(5,23),M(5,24),M(5,25),M(5,26),M(5,27),M(5,28),M(5,29),M(5,30),

   362

M(6,1),M(6,2),M(6,3),M(6,4),M(6,5),M(6,6),M(6,7),M(6,8),M(6,9),M(6,10),M(6,11),M(6,12),M(6,13),M(6,14),M(6,15),M(6,16),M(6,17),M(6,18),M(6,19),M(6,20),M(6,21),M(6,22),M(6,23),M(6,24),M(6,25),M(6,26),M(6,27),M(6,28),M(6,29),M(6,30),M(6,31),

   363

M(7,1),M(7,2),M(7,3),M(7,4),M(7,5),M(7,6),M(7,7),M(7,8),M(7,9),M(7,10),M(7,11),M(7,12),M(7,13),M(7,14),M(7,15),M(7,16),M(7,17),M(7,18),M(7,19),M(7,20),M(7,21),M(7,22),M(7,23),M(7,24),M(7,25),M(7,26),M(7,27),M(7,28),M(7,29),M(7,30),M(7,31),

   364

M(8,1),M(8,2),M(8,3),M(8,4),M(8,5),M(8,6),M(8,7),M(8,8),M(8,9),M(8,10),M(8,11),M(8,12),M(8,13),M(8,14),M(8,15),M(8,16),M(8,17),M(8,18),M(8,19),M(8,20),M(8,21),M(8,22),M(8,23),M(8,24),M(8,25),M(8,26),M(8,27),M(8,28),M(8,29),M(8,30),

   365

M(9,1),M(9,2),M(9,3),M(9,4),M(9,5),M(9,6),M(9,7),M(9,8),M(9,9),M(9,10),M(9,11),M(9,12),M(9,13),M(9,14),M(9,15),M(9,16),M(9,17),M(9,18),M(9,19),M(9,20),M(9,21),M(9,22),M(9,23),M(9,24),M(9,25),M(9,26),M(9,27),M(9,28),M(9,29),M(9,30),M(9,31),

   366

M(10,1),M(10,2),M(10,3),M(10,4),M(10,5),M(10,6),M(10,7),M(10,8),M(10,9),M(10,10),M(10,11),M(10,12),M(10,13),M(10,14),M(10,15),M(10,16),M(10,17),M(10,18),M(10,19),M(10,20),M(10,21),M(10,22),M(10,23),M(10,24),M(10,25),M(10,26),M(10,27),M(10,28),M(10,29),M(10,30),

   367

M(11,1),M(11,2),M(11,3),M(11,4),M(11,5),M(11,6),M(11,7),M(11,8),M(11,9),M(11,10),M(11,11),M(11,12),M(11,13),M(11,14),M(11,15),M(11,16),M(11,17),M(11,18),M(11,19),M(11,20),M(11,21),M(11,22),M(11,23),M(11,24),M(11,25),M(11,26),M(11,27),M(11,28),M(11,29),M(11,30),M(11,31),

   368

};

   369

#undef M

   370

   371

enum {

   372

	ACCUM_JAN = 0,

   373

	ACCUM_FEB = ACCUM_JAN + 31,

   374

	ACCUM_MAR = ACCUM_FEB + 29,

   375

	ACCUM_APR = ACCUM_MAR + 31,

   376

	ACCUM_MAY = ACCUM_APR + 30,

   377

	ACCUM_JUN = ACCUM_MAY + 31,

   378

	ACCUM_JUL = ACCUM_JUN + 30,

   379

	ACCUM_AUG = ACCUM_JUL + 31,

   380

	ACCUM_SEP = ACCUM_AUG + 31,

   381

	ACCUM_OCT = ACCUM_SEP + 30,

   382

	ACCUM_NOV = ACCUM_OCT + 31,

   383

	ACCUM_DEC = ACCUM_NOV + 30,

   384

};

   385

   386

static const uint16 _accum_days_for_month[] = {

   387

	ACCUM_JAN,ACCUM_FEB,ACCUM_MAR,ACCUM_APR,

   388

	ACCUM_MAY,ACCUM_JUN,ACCUM_JUL,ACCUM_AUG,

   389

	ACCUM_SEP,ACCUM_OCT,ACCUM_NOV,ACCUM_DEC,

   390

};

   391

   392

   393

void ConvertDayToYMD(YearMonthDay *ymd, uint16 date)

   394

{

   395

	uint yr = date / (365+365+365+366);

   396

	uint rem = date % (365+365+365+366);

   397

	uint x;

   398

   399

	yr *= 4;

   400

   401

	if (rem >= 366) {

   402

		rem--;

   403

		do {

   404

			rem -= 365;

   405

			yr++;

   406

		} while (rem >= 365);

   407

		if (rem >= 31+28) rem++;

   408

	}

   409

   410

	ymd->year = yr;

   411

   412

	x = _month_date_from_year_day[rem];

   413

	ymd->month = x >> 5;

   414

	ymd->day = x & 0x1F;

   415

}

   416

   417

// year is a number between 0..?

   418

// month is a number between 0..11

   419

// day is a number between 1..31

   420

uint ConvertYMDToDay(uint year, uint month, uint day)

   421

{

   422

	uint rem;

   423

   424

	// day in the year

   425

	rem = _accum_days_for_month[month] + day - 1;

   426

   427

	// remove feb 29 from year 1,2,3

   428

	if (year & 3) rem += (year & 3) * 365 + (rem < 31+29);

   429

   430

	// base date.

   431

	return (year >> 2) * (365+365+365+366) + rem;

   432

}

   433

   434

// convert a date on the form

   435

// 1920 - 2090 (MAX_YEAR_END_REAL)

   436

// 192001 - 209012

   437

// 19200101 - 20901231

   438

// or if > 2090 and below 65536, treat it as a daycount

   439

// returns -1 if no conversion was possible

   440

uint ConvertIntDate(uint date)

   441

{

   442

	uint year, month = 0, day = 1;

   443

   444

	if (IS_INT_INSIDE(date, 1920, MAX_YEAR_END_REAL + 1)) {

   445

		year = date - 1920;

   446

	} else if (IS_INT_INSIDE(date, 192001, 209012+1)) {

   447

		month = date % 100 - 1;

   448

		year = date / 100 - 1920;

   449

	} else if (IS_INT_INSIDE(date, 19200101, 20901231+1)) {

   450

		day = date % 100; date /= 100;

   451

		month = date % 100 - 1;

   452

		year = date / 100 - 1920;

   453

	} else if (IS_INT_INSIDE(date, 2091, 65536))

   454

		return date;

   455

	else

   456

		return (uint)-1;

   457

   458

	// invalid ranges?

   459

	if (month >= 12 || !IS_INT_INSIDE(day, 1, 31+1)) return (uint)-1;

   460

   461

	return ConvertYMDToDay(year, month, day);

   462

}

   463

   464

typedef struct LandscapePredefVar {

   465

	StringID names[NUM_CARGO];

   466

	byte weights[NUM_CARGO];

   467

	StringID sprites[NUM_CARGO];

   468

   469

	uint16 initial_cargo_payment[NUM_CARGO];

   470

	byte transit_days_table_1[NUM_CARGO];

   471

	byte transit_days_table_2[NUM_CARGO];

   472

   473

	byte railwagon_by_cargo[3][NUM_CARGO];

   474

   475

	byte road_veh_by_cargo_start[NUM_CARGO];

   476

	byte road_veh_by_cargo_count[NUM_CARGO];

   477

} LandscapePredefVar;

   478

   479

#include "table/landscape_const.h"

   480

   481

   482

// Calculate constants that depend on the landscape type.

   483

void InitializeLandscapeVariables(bool only_constants)

   484

{

   485

	const LandscapePredefVar *lpd;

   486

	int i;

   487

	StringID str;

   488

   489

	lpd = &_landscape_predef_var[_opt.landscape];

   490

   491

	memcpy(_cargoc.ai_railwagon, lpd->railwagon_by_cargo, sizeof(lpd->railwagon_by_cargo));

   492

	memcpy(_cargoc.ai_roadveh_start, lpd->road_veh_by_cargo_start,sizeof(lpd->road_veh_by_cargo_start));

   493

	memcpy(_cargoc.ai_roadveh_count, lpd->road_veh_by_cargo_count,sizeof(lpd->road_veh_by_cargo_count));

   494

   495

	for(i=0; i!=NUM_CARGO; i++) {

   496

		_cargoc.sprites[i] = lpd->sprites[i];

   497

   498

		str = lpd->names[i];

   499

		_cargoc.names_s[i] = str;

   500

		_cargoc.names_p[i] = (str += 0x20);

   501

		_cargoc.names_long_s[i] = (str += 0x20);

   502

		_cargoc.names_long_p[i] = (str += 0x20);

   503

		_cargoc.names_short[i] = (str += 0x20);

   504

		_cargoc.weights[i] = lpd->weights[i];

   505