1

/* $Id$ */

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     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "currency.h"

     6

#include "functions.h"

     7

#include "news.h"

     8

#include "player.h"

     9

#include "string.h"

    10

#include "table/strings.h"

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#include "table/sprites.h"

    12

#include "map.h"

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#include "vehicle.h"

    14

#include "saveload.h"

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#include "network.h"

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#include "network_data.h"

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#include "network_server.h"

    18

#include "engine.h"

    19

#include "vehicle_gui.h"

    20

#include "variables.h"

    21

#include "ai/ai.h"

    22

#include "table/landscape_const.h"

    23

    24

extern void StartupEconomy(void);

    25

    26

char _name_array[512][32];

    27

    28

#ifndef MERSENNE_TWISTER

    29

    30

#ifdef RANDOM_DEBUG

    31

#include "network_data.h"

    32

uint32 DoRandom(int line, const char *file)

    33

#else // RANDOM_DEBUG

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uint32 Random(void)

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#endif // RANDOM_DEBUG

    36

{

    37

    38

uint32 s;

    39

uint32 t;

    40

    41

#ifdef RANDOM_DEBUG

    42

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

    43

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

    44

#endif

    45

    46

	s = _random_seeds[0][0];

    47

	t = _random_seeds[0][1];

    48

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

    49

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

    50

}

    51

#endif // MERSENNE_TWISTER

    52

    53

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

    54

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

    55

{

    56

	return GB(DoRandom(line, file), 0, 16) * max >> 16;

    57

}

    58

#else

    59

uint RandomRange(uint max)

    60

{

    61

	return GB(Random(), 0, 16) * max >> 16;

    62

}

    63

#endif

    64

    65

    66

uint32 InteractiveRandom(void)

    67

{

    68

	uint32 t = _random_seeds[1][1];

    69

	uint32 s = _random_seeds[1][0];

    70

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

    71

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

    72

}

    73

    74

uint InteractiveRandomRange(uint max)

    75

{

    76

	return GB(InteractiveRandom(), 0, 16) * max >> 16;

    77

}

    78

    79

void SetDate(uint date)

    80

{

    81

	YearMonthDay ymd;

    82

    83

	_date = date;

    84

	ConvertDayToYMD(&ymd, date);

    85

	_cur_year = ymd.year;

    86

	_cur_month = ymd.month;

    87

#ifdef ENABLE_NETWORK

    88

	_network_last_advertise_frame = 0;

    89

	_network_need_advertise = true;

    90

#endif /* ENABLE_NETWORK */

    91

}

    92

    93

void InitializeVehicles(void);

    94

void InitializeWaypoints(void);

    95

void InitializeDepot(void);

    96

void InitializeEngines(void);

    97

void InitializeOrders(void);

    98

void InitializeClearLand(void);

    99

void InitializeRailGui(void);

   100

void InitializeRoadGui(void);

   101

void InitializeAirportGui(void);

   102

void InitializeDockGui(void);

   103

void InitializeIndustries(void);

   104

void InitializeMainGui(void);

   105

void InitializeLandscape(void);

   106

void InitializeTowns(void);

   107

void InitializeTrees(void);

   108

void InitializeSigns(void);

   109

void InitializeStations(void);

   110

static void InitializeNameMgr(void);

   111

void InitializePlayers(void);

   112

static void InitializeCheats(void);

   113

void InitializeNPF(void);

   114

   115

void GenerateLandscape(void);

   116

void GenerateClearTile(void);

   117

   118

void GenerateIndustries(void);

   119

void GenerateUnmovables(void);

   120

bool GenerateTowns(void);

   121

   122

void StartupPlayers(void);

   123

void StartupDisasters(void);

   124

void GenerateTrees(void);

   125

   126

void ConvertGroundTilesIntoWaterTiles(void);

   127

   128

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

   129

{

   130

	AllocateMap(size_x, size_y);

   131

   132

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

   133

   134

	SetObjectToPlace(SPR_CURSOR_ZZZ, 0, 0, 0);

   135

   136

	_pause = 0;

   137

	_fast_forward = 0;

   138

	_tick_counter = 0;

   139

	_date_fract = 0;

   140

	_cur_tileloop_tile = 0;

   141

   142

	if ((mode & IG_DATE_RESET) == IG_DATE_RESET) {

   143

		uint starting = ConvertIntDate(_patches.starting_date);

   144

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

   145

		SetDate(starting);

   146

	}

   147

   148

	InitializeEngines();

   149

	InitializeVehicles();

   150

	InitializeWaypoints();

   151

	InitializeDepot();

   152

	InitializeOrders();

   153

   154

	InitNewsItemStructs();

   155

	InitializeLandscape();

   156

	InitializeClearLand();

   157

	InitializeRailGui();

   158

	InitializeRoadGui();

   159

	InitializeAirportGui();

   160

	InitializeDockGui();

   161

	InitializeTowns();

   162

	InitializeTrees();

   163

	InitializeSigns();

   164

	InitializeStations();

   165

	InitializeIndustries();

   166

	InitializeMainGui();

   167

   168

	InitializeNameMgr();

   169

	InitializeVehiclesGuiList();

   170

	InitializeTrains();

   171

	InitializeNPF();

   172

   173

	AI_Initialize();

   174

	InitializePlayers();

   175

	InitializeCheats();

   176

   177

	InitTextEffects();

   178

	InitTextMessage();

   179

	InitializeAnimatedTiles();

   180

   181

	InitializeLandscapeVariables(false);

   182

   183

	ResetObjectToPlace();

   184

}

   185

   186

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

   187

{

   188

	// Make sure everything is done via OWNER_NONE

   189

	_current_player = OWNER_NONE;

   190

   191

	UpdatePatches();

   192

   193

	_generating_world = true;

   194

	InitializeGame(mode == GW_RANDOM ? 0 : IG_DATE_RESET, size_x, size_y);

   195

	SetObjectToPlace(SPR_CURSOR_ZZZ, 0, 0, 0);

   196

   197

	// Must start economy early because of the costs.

   198

	StartupEconomy();

   199

   200

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

   201

	if (mode == GW_EMPTY) {

   202

		// empty world in scenario editor

   203

		ConvertGroundTilesIntoWaterTiles();

   204

	} else {

   205

		GenerateLandscape();

   206

		GenerateClearTile();

   207

   208

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

   209

		if (mode == GW_NEWGAME) {

   210

			GenerateTowns();

   211

			GenerateTrees();

   212

			GenerateIndustries();

   213

			GenerateUnmovables();

   214

		}

   215

	}

   216

   217

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

   218

	StartupPlayers();

   219

	StartupEngines();

   220

	StartupDisasters();

   221

	_generating_world = false;

   222

   223

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

   224

	if (mode != GW_EMPTY) {

   225

		uint i;

   226

   227

		for (i = 0; i < 0x500; i++) RunTileLoop();

   228

	}

   229

   230

	ResetObjectToPlace();

   231

}

   232

   233

void DeleteName(StringID id)

   234

{

   235

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

   236

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

   237

	}

   238

}

   239

   240

char *GetName(int id, char *buff)

   241

{

   242

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

   243

}

   244

   245

   246

static void InitializeCheats(void)

   247

{

   248

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

   249

}

   250

   251

   252

static void InitializeNameMgr(void)

   253

{

   254

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

   255

}

   256

   257

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

   258

{

   259

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

   260

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

   261

   262

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

   263

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

   264

			if (free_item == NULL) free_item = i;

   265

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

   266

			_error_message = STR_0132_CHOSEN_NAME_IN_USE_ALREADY;

   267

			return 0;

   268

		}

   269

	}

   270

   271

	if (free_item != NULL) {

   272

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

   273

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

   274

	} else {

   275

		_error_message = STR_0131_TOO_MANY_NAMES_DEFINED;

   276

		return 0;

   277

	}

   278

}

   279

   280

   281

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

   282

static const uint16 _month_date_from_year_day[] = {

   283

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),

   284

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),

   285

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),

   286

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),

   287

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),

   288

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),

   289

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),

   290

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),

   291

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),

   292

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),

   293

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),

   294

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),

   295

};

   296

#undef M

   297

   298

enum {

   299

	ACCUM_JAN = 0,

   300

	ACCUM_FEB = ACCUM_JAN + 31,

   301

	ACCUM_MAR = ACCUM_FEB + 29,

   302

	ACCUM_APR = ACCUM_MAR + 31,

   303

	ACCUM_MAY = ACCUM_APR + 30,

   304

	ACCUM_JUN = ACCUM_MAY + 31,

   305

	ACCUM_JUL = ACCUM_JUN + 30,

   306

	ACCUM_AUG = ACCUM_JUL + 31,

   307

	ACCUM_SEP = ACCUM_AUG + 31,

   308

	ACCUM_OCT = ACCUM_SEP + 30,

   309

	ACCUM_NOV = ACCUM_OCT + 31,

   310

	ACCUM_DEC = ACCUM_NOV + 30,

   311

};

   312

   313

static const uint16 _accum_days_for_month[] = {

   314

	ACCUM_JAN,ACCUM_FEB,ACCUM_MAR,ACCUM_APR,

   315

	ACCUM_MAY,ACCUM_JUN,ACCUM_JUL,ACCUM_AUG,

   316

	ACCUM_SEP,ACCUM_OCT,ACCUM_NOV,ACCUM_DEC,

   317

};

   318

   319

   320

void ConvertDayToYMD(YearMonthDay *ymd, uint16 date)

   321

{

   322

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

   323

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

   324

	uint x;

   325

   326

	yr *= 4;

   327

   328

	if (rem >= 366) {

   329

		rem--;

   330

		do {

   331

			rem -= 365;

   332

			yr++;

   333

		} while (rem >= 365);

   334

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

   335

	}

   336

   337

	ymd->year = yr;

   338

   339

	x = _month_date_from_year_day[rem];

   340

	ymd->month = x >> 5;

   341

	ymd->day = x & 0x1F;

   342

}

   343

   344

// year is a number between 0..?

   345

// month is a number between 0..11

   346

// day is a number between 1..31

   347

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

   348

{

   349

	uint rem;

   350

   351

	// day in the year

   352

	rem = _accum_days_for_month[month] + day - 1;

   353

   354

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

   355

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

   356

   357

	// base date.

   358

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

   359

}

   360

   361

// convert a date on the form

   362

// 1920 - 2090 (MAX_YEAR_END_REAL)

   363

// 192001 - 209012

   364

// 19200101 - 20901231

   365

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

   366

// returns -1 if no conversion was possible

   367

uint ConvertIntDate(uint date)

   368

{

   369

	uint year, month = 0, day = 1;

   370

   371

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

   372

		year = date - 1920;

   373

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

   374

		month = date % 100 - 1;

   375

		year = date / 100 - 1920;

   376

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

   377

		day = date % 100; date /= 100;

   378

		month = date % 100 - 1;

   379

		year = date / 100 - 1920;

   380

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

   381

		return date;

   382

	} else {

   383

		return (uint)-1;

   384

	}

   385

   386

	// invalid ranges?

   387

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

   388

   389

	return ConvertYMDToDay(year, month, day);

   390

}

   391

   392

   393

// Calculate constants that depend on the landscape type.

   394

void InitializeLandscapeVariables(bool only_constants)

   395

{

   396

	const CargoTypesValues *lpd;

   397

	uint i;

   398

	StringID str;

   399

   400

	lpd = &_cargo_types_base_values[_opt.landscape];

   401

   402

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

   403

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

   404

   405

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

   406

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

   407

   408

		str = lpd->names[i];

   409

		_cargoc.names_s[i] = str;

   410

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

   411

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

   412

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

   413

   414

		if (!only_constants) {

   415

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

   416

			_cargo_payment_rates_frac[i] = 0;

   417

		}

   418

   419

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

   420

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

   421

	}

   422

}

   423

   424

   425

void OnNewDay_Train(Vehicle *v);

   426

void OnNewDay_RoadVeh(Vehicle *v);

   427

void OnNewDay_Aircraft(Vehicle *v);

   428

void OnNewDay_Ship(Vehicle *v);

   429

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

   430

void OnNewDay_DisasterVehicle(Vehicle *v);

   431

   432

typedef void OnNewVehicleDayProc(Vehicle *v);

   433

   434

static OnNewVehicleDayProc * _on_new_vehicle_day_proc[] = {

   435

	OnNewDay_Train,

   436

	OnNewDay_RoadVeh,

   437

	OnNewDay_Ship,

   438

	OnNewDay_Aircraft,

   439

	OnNewDay_EffectVehicle,

   440

	OnNewDay_DisasterVehicle,

   441

};

   442

   443

void EnginesDailyLoop(void);

   444

void DisasterDailyLoop(void);

   445

void PlayersMonthlyLoop(void);

   446

void EnginesMonthlyLoop(void);

   447

void TownsMonthlyLoop(void);

   448

void IndustryMonthlyLoop(void);

   449

void StationMonthlyLoop(void);

   450

   451

void PlayersYearlyLoop(void);

   452

void TrainsYearlyLoop(void);

   453

void RoadVehiclesYearlyLoop(void);

   454

void AircraftYearlyLoop(void);

   455

void ShipsYearlyLoop(void);

   456

   457

void WaypointsDailyLoop(void);

   458

   459

   460

static const uint16 _autosave_months[] = {

   461

	0, // never

   462

	0xFFF, // every month

   463

	0x249, // every 3 months

   464

	0x041, // every 6 months

   465

	0x001, // every 12 months

   466

};

   467

   468

/**

   469

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

   470

 */

   471

static void RunVehicleDayProc(uint daytick)

   472

{

   473

	uint total = _vehicle_pool.total_items;

   474

	uint i;

   475

   476

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

   477

		Vehicle* v = GetVehicle(i);

   478

   479

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

   480

	}

   481

}

   482

   483

void IncreaseDate(void)

   484

{

   485

	YearMonthDay ymd;

   486

   487

	if (_game_mode == GM_MENU) {

   488

		_tick_counter++;

   489

		return;

   490

	}

   491

   492

	RunVehicleDayProc(_date_fract);

   493

   494

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

   495

	_tick_counter++;

   496

   497

	_date_fract++;

   498

	if (_date_fract < DAY_TICKS) return;

   499

	_date_fract = 0;

   500

   501

	/* yeah, increse day counter and call various daily loops */

   502