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/* $Id$ */

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#include "stdafx.h"

     4

#include "openttd.h"

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#include "functions.h"

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#include "player.h"

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#include "string.h"

     8

#include "table/strings.h"

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#include "table/sprites.h"

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#include "map.h"

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#include "vehicle.h"

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#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"

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#include "engine.h"

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#include "vehicle_gui.h"

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#include "variables.h"

    19

    20

extern void StartupEconomy(void);

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extern void InitNewsItemStructs(void);

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    23

char _name_array[512][32];

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    25

#ifndef MERSENNE_TWISTER

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    27

#ifdef RANDOM_DEBUG

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#include "network_data.h"

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uint32 DoRandom(int line, const char *file)

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#else // RANDOM_DEBUG

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uint32 Random(void)

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#endif // RANDOM_DEBUG

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{

    34

    35

uint32 s;

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uint32 t;

    37

    38

#ifdef RANDOM_DEBUG

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

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

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#endif

    42

    43

	s = _random_seeds[0][0];

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	t = _random_seeds[0][1];

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

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

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}

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#endif // MERSENNE_TWISTER

    49

    50

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

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

    52

{

    53

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

    54

}

    55

#else

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uint RandomRange(uint max)

    57

{

    58

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

    59

}

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#endif

    61

    62

    63

uint32 InteractiveRandom(void)

    64

{

    65

	uint32 t = _random_seeds[1][1];

    66

	uint32 s = _random_seeds[1][0];

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

    68

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

    69

}

    70

    71

uint InteractiveRandomRange(uint max)

    72

{

    73

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

    74

}

    75

    76

void SetDate(uint date)

    77

{

    78

	YearMonthDay ymd;

    79

	ConvertDayToYMD(&ymd, _date = date);

    80

	_cur_year = ymd.year;

    81

	_cur_month = ymd.month;

    82

#ifdef ENABLE_NETWORK

    83

	_network_last_advertise_date = 0;

    84

#endif /* ENABLE_NETWORK */

    85

}

    86

    87

void InitializeVehicles(void);

    88

void InitializeWaypoints(void);

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void InitializeDepot(void);

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void InitializeOrders(void);

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void InitializeClearLand(void);

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void InitializeRail(void);

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void InitializeRailGui(void);

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void InitializeRoad(void);

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void InitializeRoadGui(void);

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void InitializeAirportGui(void);

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void InitializeDock(void);

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void InitializeDockGui(void);

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void InitializeIndustries(void);

   100

void InitializeLandscape(void);

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void InitializeTowns(void);

   102

void InitializeTrees(void);

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void InitializeSigns(void);

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void InitializeStations(void);

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static void InitializeNameMgr(void);

   106

void InitializePlayers(void);

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static void InitializeCheats(void);

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void InitializeNPF(void);

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   110

void GenerateLandscape(void);

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void GenerateClearTile(void);

   112

   113

void GenerateIndustries(void);

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void GenerateUnmovables(void);

   115

void GenerateTowns(void);

   116

   117

void StartupPlayers(void);

   118

void StartupDisasters(void);

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void GenerateTrees(void);

   120

   121

void ConvertGroundTilesIntoWaterTiles(void);

   122

   123

void InitializeGame(uint size_x, uint size_y)

   124

{

   125

	AllocateMap(size_x, size_y);

   126

   127

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

   128

   129

	SetObjectToPlace(SPR_CURSOR_ZZZ, 0, 0, 0);

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   131

	_pause = 0;

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	_fast_forward = 0;

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	_tick_counter = 0;

   134

	_date_fract = 0;

   135

	_cur_tileloop_tile = 0;

   136

   137

	{

   138

		uint starting = ConvertIntDate(_patches.starting_date);

   139

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

   140

		SetDate(starting);

   141

	}

   142

   143

	InitializeVehicles();

   144

	InitializeWaypoints();

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	InitializeDepot();

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	InitializeOrders();

   147

   148

	InitNewsItemStructs();

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	InitializeLandscape();

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	InitializeClearLand();

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	InitializeRail();

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	InitializeRailGui();

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	InitializeRoad();

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	InitializeRoadGui();

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	InitializeAirportGui();

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	InitializeDock();

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	InitializeDockGui();

   158

	InitializeTowns();

   159

	InitializeTrees();

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	InitializeSigns();

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	InitializeStations();

   162

	InitializeIndustries();

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   164

	InitializeNameMgr();

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	InitializeVehiclesGuiList();

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	InitializeTrains();

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	InitializeNPF();

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   169

	InitializePlayers();

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	InitializeCheats();

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   172

	InitTextEffects();

   173

	InitTextMessage();

   174

	InitializeAnimatedTiles();

   175

   176

	InitializeLandscapeVariables(false);

   177

   178

	ResetObjectToPlace();

   179

}

   180

   181

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

   182

{

   183

	int i;

   184

   185

	// Make sure everything is done via OWNER_NONE

   186

	_current_player = OWNER_NONE;

   187

   188

	_generating_world = true;

   189

	InitializeGame(size_x, size_y);

   190

	SetObjectToPlace(SPR_CURSOR_ZZZ, 0, 0, 0);

   191

   192

	// Must start economy early because of the costs.

   193

	StartupEconomy();

   194

   195

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

   196

	if (mode == 1) {

   197

		// empty world in scenario editor

   198

		ConvertGroundTilesIntoWaterTiles();

   199

	} else {

   200

		GenerateLandscape();

   201

		GenerateClearTile();

   202

   203

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

   204

		if (mode == 0) {

   205

			GenerateTowns();

   206

			GenerateTrees();

   207

			GenerateIndustries();

   208

			GenerateUnmovables();

   209

		}

   210

	}

   211

   212

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

   213

	StartupPlayers();

   214

	StartupEngines();

   215

	StartupDisasters();

   216

	_generating_world = false;

   217

   218

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

   219

	if (mode != 1) {

   220

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

   221

			RunTileLoop();

   222

	}

   223

   224

	ResetObjectToPlace();

   225

}

   226

   227

void DeleteName(StringID id)

   228

{

   229

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

   230

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

   231

	}

   232

}

   233

   234

char *GetName(int id, char *buff)

   235

{

   236

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

   237

}

   238

   239

   240

static void InitializeCheats(void)

   241

{

   242

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

   243

}

   244

   245

   246

static void InitializeNameMgr(void)

   247

{

   248

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

   249

}

   250

   251

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

   252

{

   253

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

   254

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

   255

   256

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

   257

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

   258

			if (free_item == NULL) free_item = i;

   259

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

   260

			_error_message = STR_0132_CHOSEN_NAME_IN_USE_ALREADY;

   261

			return 0;

   262

		}

   263

	}

   264

   265

	if (free_item != NULL) {

   266

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

   267

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

   268

	} else {

   269

		_error_message = STR_0131_TOO_MANY_NAMES_DEFINED;

   270

		return 0;

   271

	}

   272

}

   273

   274

   275

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

   276

static const uint16 _month_date_from_year_day[] = {

   277

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),

   278

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),

   279

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),

   280

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),

   281

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),

   282

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),

   283

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),

   284

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),

   285

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),

   286

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),

   287

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),

   288

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),

   289

};

   290

#undef M

   291

   292

enum {

   293

	ACCUM_JAN = 0,

   294

	ACCUM_FEB = ACCUM_JAN + 31,

   295

	ACCUM_MAR = ACCUM_FEB + 29,

   296

	ACCUM_APR = ACCUM_MAR + 31,

   297

	ACCUM_MAY = ACCUM_APR + 30,

   298

	ACCUM_JUN = ACCUM_MAY + 31,

   299

	ACCUM_JUL = ACCUM_JUN + 30,

   300

	ACCUM_AUG = ACCUM_JUL + 31,

   301

	ACCUM_SEP = ACCUM_AUG + 31,

   302

	ACCUM_OCT = ACCUM_SEP + 30,

   303

	ACCUM_NOV = ACCUM_OCT + 31,

   304

	ACCUM_DEC = ACCUM_NOV + 30,

   305

};

   306

   307

static const uint16 _accum_days_for_month[] = {

   308

	ACCUM_JAN,ACCUM_FEB,ACCUM_MAR,ACCUM_APR,

   309

	ACCUM_MAY,ACCUM_JUN,ACCUM_JUL,ACCUM_AUG,

   310

	ACCUM_SEP,ACCUM_OCT,ACCUM_NOV,ACCUM_DEC,

   311

};

   312

   313

   314

void ConvertDayToYMD(YearMonthDay *ymd, uint16 date)

   315

{

   316

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

   317

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

   318

	uint x;

   319

   320

	yr *= 4;

   321

   322

	if (rem >= 366) {

   323

		rem--;

   324

		do {

   325

			rem -= 365;

   326

			yr++;

   327

		} while (rem >= 365);

   328

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

   329

	}

   330

   331

	ymd->year = yr;

   332

   333

	x = _month_date_from_year_day[rem];

   334

	ymd->month = x >> 5;

   335

	ymd->day = x & 0x1F;

   336

}

   337

   338

// year is a number between 0..?

   339

// month is a number between 0..11

   340

// day is a number between 1..31

   341

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

   342

{

   343

	uint rem;

   344

   345

	// day in the year

   346

	rem = _accum_days_for_month[month] + day - 1;

   347

   348

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

   349

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

   350

   351

	// base date.

   352

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

   353

}

   354

   355

// convert a date on the form

   356

// 1920 - 2090 (MAX_YEAR_END_REAL)

   357

// 192001 - 209012

   358

// 19200101 - 20901231

   359

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

   360

// returns -1 if no conversion was possible

   361

uint ConvertIntDate(uint date)

   362

{

   363

	uint year, month = 0, day = 1;

   364

   365

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

   366

		year = date - 1920;

   367

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

   368

		month = date % 100 - 1;

   369

		year = date / 100 - 1920;

   370

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

   371

		day = date % 100; date /= 100;

   372

		month = date % 100 - 1;

   373

		year = date / 100 - 1920;

   374

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

   375

		return date;

   376

	else

   377

		return (uint)-1;

   378

   379

	// invalid ranges?

   380

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

   381

   382

	return ConvertYMDToDay(year, month, day);

   383

}

   384

   385

typedef struct LandscapePredefVar {

   386

	StringID names[NUM_CARGO];

   387

	byte weights[NUM_CARGO];

   388

	StringID sprites[NUM_CARGO];

   389

   390

	uint16 initial_cargo_payment[NUM_CARGO];

   391

	byte transit_days_table_1[NUM_CARGO];

   392

	byte transit_days_table_2[NUM_CARGO];

   393

   394

	byte railwagon_by_cargo[3][NUM_CARGO];

   395

   396

	byte road_veh_by_cargo_start[NUM_CARGO];

   397

	byte road_veh_by_cargo_count[NUM_CARGO];

   398

} LandscapePredefVar;

   399

   400

#include "table/landscape_const.h"

   401

   402

   403

// Calculate constants that depend on the landscape type.

   404

void InitializeLandscapeVariables(bool only_constants)

   405

{

   406

	const LandscapePredefVar *lpd;

   407

	int i;

   408

	StringID str;

   409

   410

	lpd = &_landscape_predef_var[_opt.landscape];

   411

   412

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

   413

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

   414

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

   415

   416

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

   417

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

   418

   419

		str = lpd->names[i];

   420

		_cargoc.names_s[i] = str;

   421

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

   422

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

   423

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

   424

   425

		if (!only_constants) {

   426

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

   427

			_cargo_payment_rates_frac[i] = 0;

   428

		}

   429

   430

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

   431

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

   432

	}

   433

}

   434

   435

   436

void OnNewDay_Train(Vehicle *v);

   437

void OnNewDay_RoadVeh(Vehicle *v);

   438

void OnNewDay_Aircraft(Vehicle *v);

   439

void OnNewDay_Ship(Vehicle *v);

   440

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

   441

void OnNewDay_DisasterVehicle(Vehicle *v);

   442

   443

typedef void OnNewVehicleDayProc(Vehicle *v);

   444

   445

static OnNewVehicleDayProc * _on_new_vehicle_day_proc[] = {

   446

	OnNewDay_Train,

   447

	OnNewDay_RoadVeh,

   448

	OnNewDay_Ship,

   449

	OnNewDay_Aircraft,

   450

	OnNewDay_EffectVehicle,

   451

	OnNewDay_DisasterVehicle,

   452

};

   453

   454

void EnginesDailyLoop(void);

   455

void DisasterDailyLoop(void);

   456

void PlayersMonthlyLoop(void);

   457

void EnginesMonthlyLoop(void);

   458

void TownsMonthlyLoop(void);

   459

void IndustryMonthlyLoop(void);

   460

void StationMonthlyLoop(void);

   461

   462

void PlayersYearlyLoop(void);

   463

void TrainsYearlyLoop(void);

   464

void RoadVehiclesYearlyLoop(void);

   465

void AircraftYearlyLoop(void);

   466

void ShipsYearlyLoop(void);

   467

   468

void WaypointsDailyLoop(void);

   469

   470

   471

static const uint16 _autosave_months[] = {

   472

	0, // never

   473

	0xFFF, // every month

   474

	0x249, // every 3 months

   475

	0x041, // every 6 months

   476

	0x001, // every 12 months

   477

};

   478

   479

/**

   480

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

   481

 */

   482

static void RunVehicleDayProc(uint daytick)

   483

{

   484

	uint i, total = _vehicle_pool.total_items;

   485

   486

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

   487

		Vehicle *v = GetVehicle(i);

   488

		if (v->type != 0)

   489

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

   490

	}

   491

}

   492

   493

void IncreaseDate(void)

   494

{

   495

	YearMonthDay ymd;

   496

   497

	if (_game_mode == GM_MENU) {

   498

		_tick_counter++;

   499

		return;

   500

	}

   501

   502

	RunVehicleDayProc(_date_fract);

   503

   504

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

   505

	_tick_counter++;

   506

   507