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/* $Id$ */

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#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"

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#include "map.h"

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#include "vehicle.h"

    14

#include "saveload.h"

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#include "engine.h"

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#include "vehicle_gui.h"

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#include "variables.h"

    18

#include "ai/ai.h"

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#include "table/landscape_const.h"

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#include "date.h"

    21

    22

char _name_array[512][32];

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    24

#ifndef MERSENNE_TWISTER

    25

    26

#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

    32

{

    33

    34

uint32 s;

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uint32 t;

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    37

#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

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	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

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    49

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

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

    51

{

    52

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

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}

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#else

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uint RandomRange(uint max)

    56

{

    57

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

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}

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#endif

    60

    61

    62

uint32 InteractiveRandom(void)

    63

{

    64

	uint32 t = _random_seeds[1][1];

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	uint32 s = _random_seeds[1][0];

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

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

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}

    69

    70

uint InteractiveRandomRange(uint max)

    71

{

    72

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

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}

    74

    75

void InitializeVehicles(void);

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void InitializeWaypoints(void);

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void InitializeDepots(void);

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void InitializeEngines(void);

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void InitializeOrders(void);

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void InitializeClearLand(void);

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void InitializeRailGui(void);

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void InitializeRoadGui(void);

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void InitializeAirportGui(void);

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void InitializeDockGui(void);

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void InitializeIndustries(void);

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void InitializeMainGui(void);

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void InitializeLandscape(void);

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void InitializeTowns(void);

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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);

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void InitializePlayers(void);

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static void InitializeCheats(void);

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void InitializeNPF(void);

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    97

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

    98

{

    99

	AllocateMap(size_x, size_y);

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   101

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

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   103

	SetObjectToPlace(SPR_CURSOR_ZZZ, 0, 0, 0);

   104

   105

	_pause = 0;

   106

	_fast_forward = 0;

   107

	_tick_counter = 0;

   108

	_date_fract = 0;

   109

	_cur_tileloop_tile = 0;

   110

   111

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

   112

		SetDate(ConvertYMDToDate(_patches.starting_year, 0, 1));

   113

	}

   114

   115

	InitializeEngines();

   116

	InitializeVehicles();

   117

	InitializeWaypoints();

   118

	InitializeDepots();

   119

	InitializeOrders();

   120

   121

	InitNewsItemStructs();

   122

	InitializeLandscape();

   123

	InitializeClearLand();

   124

	InitializeRailGui();

   125

	InitializeRoadGui();

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	InitializeAirportGui();

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	InitializeDockGui();

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	InitializeTowns();

   129

	InitializeTrees();

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	InitializeSigns();

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	InitializeStations();

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	InitializeIndustries();

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	InitializeMainGui();

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   135

	InitializeNameMgr();

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	InitializeVehiclesGuiList();

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	InitializeTrains();

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	InitializeNPF();

   139

   140

	AI_Initialize();

   141

	InitializePlayers();

   142

	InitializeCheats();

   143

   144

	InitTextEffects();

   145

	InitTextMessage();

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	InitializeAnimatedTiles();

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   148

	InitializeLandscapeVariables(false);

   149

   150

	ResetObjectToPlace();

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}

   152

   153

void DeleteName(StringID id)

   154

{

   155

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

   156

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

   157

	}

   158

}

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   160

char *GetName(int id, char *buff)

   161

{

   162

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

   163

}

   164

   165

   166

static void InitializeCheats(void)

   167

{

   168

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

   169

}

   170

   171

   172

static void InitializeNameMgr(void)

   173

{

   174

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

   175

}

   176

   177

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

   178

{

   179

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

   180

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

   181

   182

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

   183

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

   184

			if (free_item == NULL) free_item = i;

   185

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

   186

			_error_message = STR_0132_CHOSEN_NAME_IN_USE_ALREADY;

   187

			return 0;

   188

		}

   189

	}

   190

   191

	if (free_item != NULL) {

   192

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

   193

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

   194

	} else {

   195

		_error_message = STR_0131_TOO_MANY_NAMES_DEFINED;

   196

		return 0;

   197

	}

   198

}

   199

   200

// Calculate constants that depend on the landscape type.

   201

void InitializeLandscapeVariables(bool only_constants)

   202

{

   203

	const CargoTypesValues *lpd;

   204

	uint i;

   205

	StringID str;

   206

   207

	lpd = &_cargo_types_base_values[_opt.landscape];

   208

   209

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

   210

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

   211

   212

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

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

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   215

		str = lpd->names[i];

   216

		_cargoc.names_s[i] = str;

   217

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

   218

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

   219

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

   220

   221

		if (!only_constants) {

   222

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

   223

			_cargo_payment_rates_frac[i] = 0;

   224

		}

   225

   226

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

   227

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

   228

	}

   229

}

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   231

   232

   233

int FindFirstBit(uint32 value)

   234

{

   235

	// This is much faster than the one that was before here.

   236

	//  Created by Darkvater.. blame him if it is wrong ;)

   237

	// Btw, the macro FINDFIRSTBIT is better to use when your value is

   238

	//  not more than 128.

   239

	byte i = 0;

   240

	if (value & 0xffff0000) { value >>= 16; i += 16; }

   241

	if (value & 0x0000ff00) { value >>= 8;  i +=  8; }

   242

	if (value & 0x000000f0) { value >>= 4;  i +=  4; }

   243

	if (value & 0x0000000c) { value >>= 2;  i +=  2; }

   244

	if (value & 0x00000002) { i += 1; }

   245

	return i;

   246

}

   247

   248

   249

static void Save_NAME(void)

   250

{

   251

	int i;

   252

   253

	for (i = 0; i != lengthof(_name_array); ++i) {

   254

		if (_name_array[i][0] != '\0') {

   255

			SlSetArrayIndex(i);

   256

			SlArray(_name_array[i], (uint)strlen(_name_array[i]), SLE_UINT8);

   257

		}

   258

	}

   259

}

   260

   261

static void Load_NAME(void)

   262

{

   263

	int index;

   264

   265

	while ((index = SlIterateArray()) != -1) {

   266

		SlArray(_name_array[index],SlGetFieldLength(),SLE_UINT8);

   267

	}

   268

}

   269

   270

static const SaveLoadGlobVarList _date_desc[] = {

   273

	    SLEG_VAR(_date_fract,             SLE_UINT16),

   274

	    SLEG_VAR(_tick_counter,           SLE_UINT16),

   275

	    SLEG_VAR(_vehicle_id_ctr_day,     SLE_UINT16),

   276

	    SLEG_VAR(_age_cargo_skip_counter, SLE_UINT8),

   277

	    SLEG_VAR(_avail_aircraft,         SLE_UINT8),

   278

	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),

   279

	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),

   280

	    SLEG_VAR(_disaster_delay,         SLE_UINT16),

   281

	    SLEG_VAR(_station_tick_ctr,       SLE_UINT16),

   282

	    SLEG_VAR(_random_seeds[0][0],     SLE_UINT32),

   283

	    SLEG_VAR(_random_seeds[0][1],     SLE_UINT32),

   284

	SLEG_CONDVAR(_cur_town_ctr,           SLE_FILE_U8  | SLE_VAR_U32,  0, 9),

   285

	SLEG_CONDVAR(_cur_town_ctr,           SLE_UINT32,                 10, SL_MAX_VERSION),

   286

	    SLEG_VAR(_cur_player_tick_index,  SLE_FILE_U8  | SLE_VAR_U32),

   287

	    SLEG_VAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32),

   288

	    SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),

   289

	SLEG_CONDVAR(_pause,                  SLE_UINT8,                   4, SL_MAX_VERSION),

   290

	SLEG_CONDVAR(_cur_town_iter,          SLE_UINT32,                 11, SL_MAX_VERSION),

   291

	    SLEG_END()

   292

};

   293

   294

// Save load date related variables as well as persistent tick counters

   295

// XXX: currently some unrelated stuff is just put here

   296

static void SaveLoad_DATE(void)

   297

{

   298

	SlGlobList(_date_desc);

   299

}

   300

   301

   302

static const SaveLoadGlobVarList _view_desc[] = {

   303

	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),

   304

	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  6, SL_MAX_VERSION),

   305

	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),

   306

	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  6, SL_MAX_VERSION),

   307

	    SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),

   308

	    SLEG_END()

   309

};

   310

   311

static void SaveLoad_VIEW(void)

   312

{

   313

	SlGlobList(_view_desc);

   314

}

   315

   316

static uint32 _map_dim_x;

   317

static uint32 _map_dim_y;

   318

   319

static const SaveLoadGlobVarList _map_dimensions[] = {

   320

	SLEG_CONDVAR(_map_dim_x, SLE_UINT32, 6, SL_MAX_VERSION),

   321

	SLEG_CONDVAR(_map_dim_y, SLE_UINT32, 6, SL_MAX_VERSION),

   322

	    SLEG_END()

   323

};

   324

   325

static void Save_MAPS(void)

   326

{

   327

	_map_dim_x = MapSizeX();

   328

	_map_dim_y = MapSizeY();

   329

	SlGlobList(_map_dimensions);

   330

}

   331

   332

static void Load_MAPS(void)

   333

{

   334

	SlGlobList(_map_dimensions);

   335

	AllocateMap(_map_dim_x, _map_dim_y);

   336

}

   337

   338

static void Load_MAPT(void)

   339

{

   340

	uint size = MapSize();

   341

	uint i;

   342

   343

	for (i = 0; i != size;) {

   344

		byte buf[4096];

   345

		uint j;

   346

   347

		SlArray(buf, lengthof(buf), SLE_UINT8);

   348

		for (j = 0; j != lengthof(buf); j++) _m[i++].type_height = buf[j];

   349

	}

   350

}

   351

   352

static void Save_MAPT(void)

   353

{

   354

	uint size = MapSize();

   355

	uint i;

   356

   357

	SlSetLength(size);

   358

	for (i = 0; i != size;) {

   359

		byte buf[4096];

   360

		uint j;

   361

   362

		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].type_height;

   363

		SlArray(buf, lengthof(buf), SLE_UINT8);

   364

	}

   365

}

   366

   367

static void Load_MAP1(void)

   368

{

   369

	uint size = MapSize();

   370

	uint i;

   371

   372

	for (i = 0; i != size;) {

   373

		byte buf[4096];

   374

		uint j;

   375

   376

		SlArray(buf, lengthof(buf), SLE_UINT8);

   377

		for (j = 0; j != lengthof(buf); j++) _m[i++].m1 = buf[j];

   378

	}

   379

}

   380

   381

static void Save_MAP1(void)

   382

{

   383

	uint size = MapSize();

   384

	uint i;

   385

   386

	SlSetLength(size);

   387

	for (i = 0; i != size;) {

   388

		byte buf[4096];

   389

		uint j;

   390

   391

		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m1;

   392

		SlArray(buf, lengthof(buf), SLE_UINT8);

   393

	}

   394

}

   395

   396

static void Load_MAP2(void)

   397

{

   398

	uint size = MapSize();

   399

	uint i;

   400

   401

	for (i = 0; i != size;) {

   402

		uint16 buf[4096];

   403

		uint j;

   404

   405

		SlArray(buf, lengthof(buf),

   406

			/* In those versions the m2 was 8 bits */

   407

			CheckSavegameVersion(5) ? SLE_FILE_U8 | SLE_VAR_U16 : SLE_UINT16

   408

		);

   409

		for (j = 0; j != lengthof(buf); j++) _m[i++].m2 = buf[j];

   410

	}

   411

}

   412

   413

static void Save_MAP2(void)

   414

{

   415

	uint size = MapSize();

   416

	uint i;

   417

   418

	SlSetLength(size * sizeof(_m[0].m2));

   419

	for (i = 0; i != size;) {

   420

		uint16 buf[4096];

   421

		uint j;

   422

   423

		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m2;

   424

		SlArray(buf, lengthof(buf), SLE_UINT16);

   425

	}

   426

}

   427

   428

static void Load_MAP3(void)

   429

{

   430

	uint size = MapSize();

   431

	uint i;

   432

   433

	for (i = 0; i != size;) {

   434

		byte buf[4096];

   435

		uint j;

   436

   437

		SlArray(buf, lengthof(buf), SLE_UINT8);

   438

		for (j = 0; j != lengthof(buf); j++) _m[i++].m3 = buf[j];

   439

	}

   440

}

   441

   442

static void Save_MAP3(void)

   443

{

   444

	uint size = MapSize();

   445

	uint i;

   446

   447

	SlSetLength(size);

   448

	for (i = 0; i != size;) {

   449

		byte buf[4096];

   450

		uint j;

   451

   452

		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m3;

   453

		SlArray(buf, lengthof(buf), SLE_UINT8);

   454

	}

   455

}

   456

   457

static void Load_MAP4(void)

   458

{

   459

	uint size = MapSize();

   460

	uint i;

   461

   462

	for (i = 0; i != size;) {

   463

		byte buf[4096];

   464

		uint j;

   465

   466

		SlArray(buf, lengthof(buf), SLE_UINT8);

   467

		for (j = 0; j != lengthof(buf); j++) _m[i++].m4 = buf[j];

   468

	}

   469

}

   470

   471

static void Save_MAP4(void)

   472

{

   473

	uint size = MapSize();

   474

	uint i;

   475

   476

	SlSetLength(size);

   477

	for (i = 0; i != size;) {

   478

		byte buf[4096];

   479

		uint j;

   480

   481

		for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m4;

   482

		SlArray(buf, lengthof(buf), SLE_UINT8);

   483

	}

   484

}

   485

   486

static void Load_MAP5(void)

   487

{

   488

	uint size = MapSize();

   489

	uint i;

   490

   491

	for (i = 0; i != size;) {

   492

		byte buf[4096];

   493