1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "currency.h"

     6

#include "functions.h"

     7

#include "player.h"

     8

#include "string.h"

     9

#include "table/strings.h"

    10

#include "table/sprites.h"

    11

#include "map.h"

    12

#include "vehicle.h"

    13

#include "saveload.h"

    14

#include "network.h"

    15

#include "network_data.h"

    16

#include "network_server.h"

    17

#include "engine.h"

    18

#include "vehicle_gui.h"

    19

#include "variables.h"

    20

    21

extern void StartupEconomy(void);

    22

extern void InitNewsItemStructs(void);

    23

    24

char _name_array[512][32];

    25

    26

#ifndef MERSENNE_TWISTER

    27

    28

#ifdef RANDOM_DEBUG

    29

#include "network_data.h"

    30

uint32 DoRandom(int line, const char *file)

    31

#else // RANDOM_DEBUG

    32

uint32 Random(void)

    33

#endif // RANDOM_DEBUG

    34

{

    35

    36

uint32 s;

    37

uint32 t;

    38

    39

#ifdef RANDOM_DEBUG

    40

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

    41

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

    42

#endif

    43

    44

	s = _random_seeds[0][0];

    45

	t = _random_seeds[0][1];

    46

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

    47

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

    48

}

    49

#endif // MERSENNE_TWISTER

    50

    51

#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)

    52

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

    53

{

    54

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

    55

}

    56

#else

    57

uint RandomRange(uint max)

    58

{

    59

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

    60

}

    61

#endif

    62

    63

    64

uint32 InteractiveRandom(void)

    65

{

    66

	uint32 t = _random_seeds[1][1];

    67

	uint32 s = _random_seeds[1][0];

    68

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

    69

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

    70

}

    71

    72

uint InteractiveRandomRange(uint max)

    73

{

    74

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

    75

}

    76

    77

void SetDate(uint date)

    78

{

    79

	YearMonthDay ymd;

    80

	ConvertDayToYMD(&ymd, _date = date);

    81

	_cur_year = ymd.year;

    82

	_cur_month = ymd.month;

    83

#ifdef ENABLE_NETWORK

    84

	_network_last_advertise_date = 0;

    85

#endif /* ENABLE_NETWORK */

    86

}

    87

    88

void InitializeVehicles(void);

    89

void InitializeWaypoints(void);

    90

void InitializeDepot(void);

    91

void InitializeOrders(void);

    92

void InitializeClearLand(void);

    93

void InitializeRail(void);

    94

void InitializeRailGui(void);

    95

void InitializeRoad(void);

    96

void InitializeRoadGui(void);

    97

void InitializeAirportGui(void);

    98

void InitializeDock(void);

    99

void InitializeDockGui(void);

   100

void InitializeIndustries(void);

   101

void InitializeLandscape(void);

   102

void InitializeTowns(void);

   103

void InitializeTrees(void);

   104

void InitializeSigns(void);

   105

void InitializeStations(void);

   106

static void InitializeNameMgr(void);

   107

void InitializePlayers(void);

   108

static void InitializeCheats(void);

   109

void InitializeNPF(void);

   110

   111

void GenerateLandscape(void);

   112

void GenerateClearTile(void);

   113

   114

void GenerateIndustries(void);

   115

void GenerateUnmovables(void);

   116

void GenerateTowns(void);

   117

   118

void StartupPlayers(void);

   119

void StartupDisasters(void);

   120

void GenerateTrees(void);

   121

   122

void ConvertGroundTilesIntoWaterTiles(void);

   123

   124

void InitializeGame(uint size_x, uint size_y)

   125

{

   126

	AllocateMap(size_x, size_y);

   127

   128

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

   129

   130

	SetObjectToPlace(SPR_CURSOR_ZZZ, 0, 0, 0);

   131

   132

	_pause = 0;

   133

	_fast_forward = 0;

   134

	_tick_counter = 0;

   135

	_date_fract = 0;

   136

	_cur_tileloop_tile = 0;

   137

   138

	{

   139

		uint starting = ConvertIntDate(_patches.starting_date);

   140

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

   141

		SetDate(starting);

   142

	}

   143

   144

	InitializeVehicles();

   145

	InitializeWaypoints();

   146

	InitializeDepot();

   147

	InitializeOrders();

   148

   149

	InitNewsItemStructs();

   150

	InitializeLandscape();

   151

	InitializeClearLand();

   152

	InitializeRail();

   153

	InitializeRailGui();

   154

	InitializeRoad();

   155

	InitializeRoadGui();

   156

	InitializeAirportGui();

   157

	InitializeDock();

   158

	InitializeDockGui();

   159

	InitializeTowns();

   160

	InitializeTrees();

   161

	InitializeSigns();

   162

	InitializeStations();

   163

	InitializeIndustries();

   164

   165

	InitializeNameMgr();

   166

	InitializeVehiclesGuiList();

   167

	InitializeTrains();

   168

	InitializeNPF();

   169

   170

	InitializePlayers();

   171

	InitializeCheats();

   172

   173

	InitTextEffects();

   174

	InitTextMessage();

   175

	InitializeAnimatedTiles();

   176

   177

	InitializeLandscapeVariables(false);

   178

   179

	ResetObjectToPlace();

   180

}

   181

   182

void GenerateWorld(int mode, uint size_x, uint size_y)

   183

{

   184

	int i;

   185

   186

	// Make sure everything is done via OWNER_NONE

   187

	_current_player = OWNER_NONE;

   188

   189

	_generating_world = true;

   190

	InitializeGame(size_x, size_y);

   191

	SetObjectToPlace(SPR_CURSOR_ZZZ, 0, 0, 0);

   192

   193

	// Must start economy early because of the costs.

   194

	StartupEconomy();

   195

   196

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

   197

	if (mode == 1) {

   198

		// empty world in scenario editor

   199

		ConvertGroundTilesIntoWaterTiles();

   200

	} else {

   201

		GenerateLandscape();

   202

		GenerateClearTile();

   203

   204

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

   205

		if (mode == 0) {

   206

			GenerateTowns();

   207

			GenerateTrees();

   208

			GenerateIndustries();

   209

			GenerateUnmovables();

   210

		}

   211

	}

   212

   213

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

   214

	StartupPlayers();

   215

	StartupEngines();

   216

	StartupDisasters();

   217

	_generating_world = false;

   218

   219

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

   220

	if (mode != 1) {

   221

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

   222

			RunTileLoop();

   223

	}

   224

   225

	ResetObjectToPlace();

   226

}

   227

   228

void DeleteName(StringID id)

   229

{

   230

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

   231

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

   232

	}

   233

}

   234

   235

char *GetName(int id, char *buff)

   236

{

   237

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

   238

}

   239

   240

   241

static void InitializeCheats(void)

   242

{

   243

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

   244

}

   245

   246

   247

static void InitializeNameMgr(void)

   248

{

   249

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

   250

}

   251

   252

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

   253

{

   254

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

   255

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

   256

   257

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

   258

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

   259

			if (free_item == NULL) free_item = i;

   260

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

   261

			_error_message = STR_0132_CHOSEN_NAME_IN_USE_ALREADY;

   262

			return 0;

   263

		}

   264

	}

   265

   266

	if (free_item != NULL) {

   267

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

   268

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

   269

	} else {

   270

		_error_message = STR_0131_TOO_MANY_NAMES_DEFINED;

   271

		return 0;

   272

	}

   273

}

   274

   275

   276

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

   277

static const uint16 _month_date_from_year_day[] = {

   278

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),

   279

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),

   280

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),

   281

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),

   282

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),

   283

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),

   284

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),

   285

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),

   286

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),

   287

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),

   288

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),

   289

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),

   290

};

   291

#undef M

   292

   293

enum {

   294

	ACCUM_JAN = 0,

   295

	ACCUM_FEB = ACCUM_JAN + 31,

   296

	ACCUM_MAR = ACCUM_FEB + 29,

   297

	ACCUM_APR = ACCUM_MAR + 31,

   298

	ACCUM_MAY = ACCUM_APR + 30,

   299

	ACCUM_JUN = ACCUM_MAY + 31,

   300

	ACCUM_JUL = ACCUM_JUN + 30,

   301

	ACCUM_AUG = ACCUM_JUL + 31,

   302

	ACCUM_SEP = ACCUM_AUG + 31,

   303

	ACCUM_OCT = ACCUM_SEP + 30,

   304

	ACCUM_NOV = ACCUM_OCT + 31,

   305

	ACCUM_DEC = ACCUM_NOV + 30,

   306

};

   307

   308

static const uint16 _accum_days_for_month[] = {

   309

	ACCUM_JAN,ACCUM_FEB,ACCUM_MAR,ACCUM_APR,

   310

	ACCUM_MAY,ACCUM_JUN,ACCUM_JUL,ACCUM_AUG,

   311

	ACCUM_SEP,ACCUM_OCT,ACCUM_NOV,ACCUM_DEC,

   312

};

   313

   314

   315

void ConvertDayToYMD(YearMonthDay *ymd, uint16 date)

   316

{

   317

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

   318

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

   319

	uint x;

   320

   321

	yr *= 4;

   322

   323

	if (rem >= 366) {

   324

		rem--;

   325

		do {

   326

			rem -= 365;

   327

			yr++;

   328

		} while (rem >= 365);

   329

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

   330

	}

   331

   332

	ymd->year = yr;

   333

   334

	x = _month_date_from_year_day[rem];

   335

	ymd->month = x >> 5;

   336

	ymd->day = x & 0x1F;

   337

}

   338

   339

// year is a number between 0..?

   340

// month is a number between 0..11

   341

// day is a number between 1..31

   342

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

   343

{

   344

	uint rem;

   345

   346

	// day in the year

   347

	rem = _accum_days_for_month[month] + day - 1;

   348

   349

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

   350

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

   351

   352

	// base date.

   353

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

   354

}

   355

   356

// convert a date on the form

   357

// 1920 - 2090 (MAX_YEAR_END_REAL)

   358

// 192001 - 209012

   359

// 19200101 - 20901231

   360

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

   361

// returns -1 if no conversion was possible

   362

uint ConvertIntDate(uint date)

   363

{

   364

	uint year, month = 0, day = 1;

   365

   366

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

   367

		year = date - 1920;

   368

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

   369

		month = date % 100 - 1;

   370

		year = date / 100 - 1920;

   371

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

   372

		day = date % 100; date /= 100;

   373

		month = date % 100 - 1;

   374

		year = date / 100 - 1920;

   375

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

   376

		return date;

   377

	else

   378

		return (uint)-1;

   379

   380

	// invalid ranges?

   381

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

   382

   383

	return ConvertYMDToDay(year, month, day);

   384

}

   385

   386

typedef struct LandscapePredefVar {

   387

	StringID names[NUM_CARGO];

   388

	byte weights[NUM_CARGO];

   389

	StringID sprites[NUM_CARGO];

   390

   391

	uint16 initial_cargo_payment[NUM_CARGO];

   392

	byte transit_days_table_1[NUM_CARGO];

   393

	byte transit_days_table_2[NUM_CARGO];

   394

   395

	byte railwagon_by_cargo[3][NUM_CARGO];

   396

   397

	byte road_veh_by_cargo_start[NUM_CARGO];

   398

	byte road_veh_by_cargo_count[NUM_CARGO];

   399

} LandscapePredefVar;

   400

   401

#include "table/landscape_const.h"

   402

   403

   404

// Calculate constants that depend on the landscape type.

   405

void InitializeLandscapeVariables(bool only_constants)

   406

{

   407

	const LandscapePredefVar *lpd;

   408

	int i;

   409

	StringID str;

   410

   411

	lpd = &_landscape_predef_var[_opt.landscape];

   412

   413

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

   414

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

   415

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

   416

   417

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

   418

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

   419

   420

		str = lpd->names[i];

   421

		_cargoc.names_s[i] = str;

   422

		_cargoc.names_long[i] = (str += 0x40);

   423

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

   424

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

   425

   426

		if (!only_constants) {

   427

			_cargo_payment_rates[i] = lpd->initial_cargo_payment[i];

   428

			_cargo_payment_rates_frac[i] = 0;

   429

		}

   430

   431

		_cargoc.transit_days_1[i] = lpd->transit_days_table_1[i];

   432

		_cargoc.transit_days_2[i] = lpd->transit_days_table_2[i];

   433

	}

   434

}

   435

   436

   437

void OnNewDay_Train(Vehicle *v);

   438

void OnNewDay_RoadVeh(Vehicle *v);

   439

void OnNewDay_Aircraft(Vehicle *v);

   440

void OnNewDay_Ship(Vehicle *v);

   441

static void OnNewDay_EffectVehicle(Vehicle *v) { /* empty */ }

   442

void OnNewDay_DisasterVehicle(Vehicle *v);

   443

   444

typedef void OnNewVehicleDayProc(Vehicle *v);

   445

   446

static OnNewVehicleDayProc * _on_new_vehicle_day_proc[] = {

   447

	OnNewDay_Train,

   448

	OnNewDay_RoadVeh,

   449

	OnNewDay_Ship,

   450

	OnNewDay_Aircraft,

   451

	OnNewDay_EffectVehicle,

   452

	OnNewDay_DisasterVehicle,

   453

};

   454

   455

void EnginesDailyLoop(void);

   456

void DisasterDailyLoop(void);

   457

void PlayersMonthlyLoop(void);

   458

void EnginesMonthlyLoop(void);

   459

void TownsMonthlyLoop(void);

   460

void IndustryMonthlyLoop(void);

   461

void StationMonthlyLoop(void);

   462

   463

void PlayersYearlyLoop(void);

   464

void TrainsYearlyLoop(void);

   465

void RoadVehiclesYearlyLoop(void);

   466

void AircraftYearlyLoop(void);

   467

void ShipsYearlyLoop(void);

   468

   469

void WaypointsDailyLoop(void);

   470

   471

   472

static const uint16 _autosave_months[] = {

   473

	0, // never

   474

	0xFFF, // every month

   475

	0x249, // every 3 months

   476

	0x041, // every 6 months

   477

	0x001, // every 12 months

   478

};

   479

   480

/**

   481

 * Runs the day_proc for every DAY_TICKS vehicle starting at daytick.

   482

 */

   483

static void RunVehicleDayProc(uint daytick)

   484

{

   485

	uint i, total = _vehicle_pool.total_items;

   486

   487

	for (i = daytick; i < total; i += DAY_TICKS) {

   488

		Vehicle *v = GetVehicle(i);

   489

		if (v->type != 0)

   490

			_on_new_vehicle_day_proc[v->type - 0x10](v);

   491

	}

   492

}

   493

   494

void IncreaseDate(void)

   495

{

   496

	YearMonthDay ymd;

   497

   498

	if (_game_mode == GM_MENU) {

   499

		_tick_counter++;

   500

		return;

   501

	}

   502

   503

	RunVehicleDayProc(_date_fract);

   504

   505

	/* increase day, and check if a new day is there? */

   506

	_tick_counter++;

   507