1

/* $Id$ */

     2

     3

/** @file economy.cpp */

     4

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#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "currency.h"

     8

#include "functions.h"

     9

#include "strings.h" // XXX InjectDParam()

    10

#include "table/strings.h"

    11

#include "table/sprites.h"

    12

#include "map.h"

    13

#include "news.h"

    14

#include "player.h"

    15

#include "station.h"

    16

#include "vehicle.h"

    17

#include "window.h"

    18

#include "gfx.h"

    19

#include "command.h"

    20

#include "saveload.h"

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#include "economy.h"

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#include "industry.h"

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#include "town.h"

    24

#include "network/network.h"

    25

#include "sound.h"

    26

#include "engine.h"

    27

#include "network/network_data.h"

    28

#include "variables.h"

    29

#include "vehicle_gui.h"

    30

#include "ai/ai.h"

    31

#include "train.h"

    32

#include "aircraft.h"

    33

#include "newgrf_engine.h"

    34

#include "newgrf_sound.h"

    35

#include "newgrf_callbacks.h"

    36

#include "unmovable.h"

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#include "date.h"

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#include "cargotype.h"

    39

#include "player_face.h"

    40

    41

/* Score info */

    42

const ScoreInfo _score_info[] = {

    43

	{ SCORE_VEHICLES,        120, 100 },

    44

	{ SCORE_STATIONS,         80, 100 },

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	{ SCORE_MIN_PROFIT,    10000, 100 },

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	{ SCORE_MIN_INCOME,    50000,  50 },

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	{ SCORE_MAX_INCOME,   100000, 100 },

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	{ SCORE_DELIVERED,     40000, 400 },

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	{ SCORE_CARGO,             8,  50 },

    50

	{ SCORE_MONEY,      10000000,  50 },

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	{ SCORE_LOAN,         250000,  50 },

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	{ SCORE_TOTAL,             0,   0 }

    53

};

    54

    55

int _score_part[MAX_PLAYERS][SCORE_END];

    56

    57

int64 CalculateCompanyValue(const Player* p)

    58

{

    59

	PlayerID owner = p->index;

    60

	int64 value;

    61

    62

	{

    63

		Station *st;

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		uint num = 0;

    65

    66

		FOR_ALL_STATIONS(st) {

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			if (st->owner == owner) {

    68

				uint facil = st->facilities;

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				do num += (facil&1); while (facil >>= 1);

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			}

    71

		}

    72

    73

		value = num * _price.station_value * 25;

    74

	}

    75

    76

	{

    77

		Vehicle *v;

    78

    79

		FOR_ALL_VEHICLES(v) {

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			if (v->owner != owner) continue;

    81

    82

			if (v->type == VEH_Train ||

    83

					v->type == VEH_Road ||

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					(v->type == VEH_Aircraft && IsNormalAircraft(v)) ||

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					v->type == VEH_Ship) {

    86

				value += v->value * 3 >> 1;

    87

			}

    88

		}

    89

	}

    90

    91

	value += p->money64 - p->current_loan; // add real money value

    92

    93

	return max(value, 1LL);

    94

}

    95

    96

/** if update is set to true, the economy is updated with this score

    97

 *  (also the house is updated, should only be true in the on-tick event)

    98

 * @param update the economy with calculated score

    99

 * @param p player been evaluated

   100

 * @return actual score of this player

   101

 * */

   102

int UpdateCompanyRatingAndValue(Player *p, bool update)

   103

{

   104

	byte owner = p->index;

   105

	int score = 0;

   106

   107

	memset(_score_part[owner], 0, sizeof(_score_part[owner]));

   108

   109

/* Count vehicles */

   110

	{

   111

		Vehicle *v;

   112

		int32 min_profit = 0;

   113

		bool min_profit_first = true;

   114

		uint num = 0;

   115

   116

		FOR_ALL_VEHICLES(v) {

   117

			if (v->owner != owner) continue;

   118

			if ((v->type == VEH_Train && IsFrontEngine(v)) ||

   119

					 v->type == VEH_Road ||

   120

					(v->type == VEH_Aircraft && IsNormalAircraft(v)) ||

   121

					 v->type == VEH_Ship) {

   122

				num++;

   123

				if (v->age > 730) {

   124

					/* Find the vehicle with the lowest amount of profit */

   125

					if (min_profit_first == true) {

   126

						min_profit = v->profit_last_year;

   127

						min_profit_first = false;

   128

					} else if (min_profit > v->profit_last_year) {

   129

						min_profit = v->profit_last_year;

   130

					}

   131

				}

   132

			}

   133

		}

   134

   135

		_score_part[owner][SCORE_VEHICLES] = num;

   136

		/* Don't allow negative min_profit to show */

   137

		if (min_profit > 0)

   138

			_score_part[owner][SCORE_MIN_PROFIT] = min_profit;

   139

	}

   140

   141

/* Count stations */

   142

	{

   143

		uint num = 0;

   144

		const Station* st;

   145

   146

		FOR_ALL_STATIONS(st) {

   147

			if (st->owner == owner) {

   148

				int facil = st->facilities;

   149

				do num += facil&1; while (facil>>=1);

   150

			}

   151

		}

   152

		_score_part[owner][SCORE_STATIONS] = num;

   153

	}

   154

   155

/* Generate statistics depending on recent income statistics */

   156

	{

   157

		const PlayerEconomyEntry* pee;

   158

		int numec;

   159

		int32 min_income;

   160

		int32 max_income;

   161

   162

		numec = min(p->num_valid_stat_ent, 12);

   163

		if (numec != 0) {

   164

			min_income = 0x7FFFFFFF;

   165

			max_income = 0;

   166

			pee = p->old_economy;

   167

			do {

   168

				min_income = min(min_income, pee->income + pee->expenses);

   169

				max_income = max(max_income, pee->income + pee->expenses);

   170

			} while (++pee,--numec);

   171

   172

			if (min_income > 0)

   173

				_score_part[owner][SCORE_MIN_INCOME] = min_income;

   174

   175

			_score_part[owner][SCORE_MAX_INCOME] = max_income;

   176

		}

   177

	}

   178

   179

/* Generate score depending on amount of transported cargo */

   180

	{

   181

		const PlayerEconomyEntry* pee;

   182

		int numec;

   183

		uint32 total_delivered;

   184

   185

		numec = min(p->num_valid_stat_ent, 4);

   186

		if (numec != 0) {

   187

			pee = p->old_economy;

   188

			total_delivered = 0;

   189

			do {

   190

				total_delivered += pee->delivered_cargo;

   191

			} while (++pee,--numec);

   192

   193

			_score_part[owner][SCORE_DELIVERED] = total_delivered;

   194

		}

   195

	}

   196

   197

/* Generate score for variety of cargo */

   198

	{

   199

		uint cargo = p->cargo_types;

   200

		uint num = 0;

   201

		do num += cargo&1; while (cargo>>=1);

   202

		_score_part[owner][SCORE_CARGO] = num;

   203

		if (update) p->cargo_types = 0;

   204

	}

   205

   206

/* Generate score for player money */

   207

	{

   208

		int32 money = p->player_money;

   209

		if (money > 0) {

   210

			_score_part[owner][SCORE_MONEY] = money;

   211

		}

   212

	}

   213

   214

/* Generate score for loan */

   215

	{

   216

		_score_part[owner][SCORE_LOAN] = _score_info[SCORE_LOAN].needed - p->current_loan;

   217

	}

   218

   219

	/* Now we calculate the score for each item.. */

   220

	{

   221

		int total_score = 0;

   222

		int s;

   223

		score = 0;

   224

		for (ScoreID i = SCORE_BEGIN; i < SCORE_END; i++) {

   225

			/* Skip the total */

   226

			if (i == SCORE_TOTAL) continue;

   227

			/*  Check the score */

   228

			s = (_score_part[owner][i] >= _score_info[i].needed) ?

   229

				_score_info[i].score :

   230

				_score_part[owner][i] * _score_info[i].score / _score_info[i].needed;

   231

			if (s < 0) s = 0;

   232

			score += s;

   233

			total_score += _score_info[i].score;

   234

		}

   235

   236

		_score_part[owner][SCORE_TOTAL] = score;

   237

   238

		/*  We always want the score scaled to SCORE_MAX (1000) */

   239

		if (total_score != SCORE_MAX) score = score * SCORE_MAX / total_score;

   240

	}

   241

   242

	if (update) {

   243

		p->old_economy[0].performance_history = score;

   244

		UpdateCompanyHQ(p, score);

   245

		p->old_economy[0].company_value = CalculateCompanyValue(p);

   246

	}

   247

   248

	InvalidateWindow(WC_PERFORMANCE_DETAIL, 0);

   249

	return score;

   250

}

   251

   252

/*  use PLAYER_SPECTATOR as new_player to delete the player. */

   253

void ChangeOwnershipOfPlayerItems(PlayerID old_player, PlayerID new_player)

   254

{

   255

	Town *t;

   256

	PlayerID old = _current_player;

   257

	_current_player = old_player;

   258

   259

	/* Temporarily increase the player's money, to be sure that

   260

	 * removing his/her property doesn't fail because of lack of money.

   261

	 * Not too drastically though, because it could overflow */

   262

	if (new_player == PLAYER_SPECTATOR) {

   263

		GetPlayer(old_player)->money64 = MAX_UVALUE(uint64) >>2; // jackpot ;p

   264

		UpdatePlayerMoney32(GetPlayer(old_player));

   265

	}

   266

   267

	if (new_player == PLAYER_SPECTATOR) {

   268

		Subsidy *s;

   269

   270

		for (s = _subsidies; s != endof(_subsidies); s++) {

   271

			if (s->cargo_type != CT_INVALID && s->age >= 12) {

   272

				if (GetStation(s->to)->owner == old_player) s->cargo_type = CT_INVALID;

   273

			}

   274

		}

   275

	}

   276

   277

	/* Take care of rating in towns */

   278

	FOR_ALL_TOWNS(t) {

   279

		/* If a player takes over, give the ratings to that player. */

   280

		if (new_player != PLAYER_SPECTATOR) {

   281

			if (HASBIT(t->have_ratings, old_player)) {

   282

				if (HASBIT(t->have_ratings, new_player)) {

   283

					// use max of the two ratings.

   284

					t->ratings[new_player] = max(t->ratings[new_player], t->ratings[old_player]);

   285

				} else {

   286

					SETBIT(t->have_ratings, new_player);

   287

					t->ratings[new_player] = t->ratings[old_player];

   288

				}

   289

			}

   290

		}

   291

   292

		/* Reset the ratings for the old player */

   293

		t->ratings[old_player] = 500;

   294

		CLRBIT(t->have_ratings, old_player);

   295

	}

   296

   297

	{

   298

		int num_train = 0;

   299

		int num_road = 0;

   300

		int num_ship = 0;

   301

		int num_aircraft = 0;

   302

		Vehicle *v;

   303

   304

		/*  Determine Ids for the new vehicles */

   305

		FOR_ALL_VEHICLES(v) {

   306

			if (v->owner == new_player) {

   307

				switch (v->type) {

   308

					case VEH_Train:    if (IsFrontEngine(v)) num_train++; break;

   309

					case VEH_Road:     num_road++; break;

   310

					case VEH_Ship:     num_ship++; break;

   311

					case VEH_Aircraft: if (IsNormalAircraft(v)) num_aircraft++; break;

   312

					default: break;

   313

				}

   314

			}

   315

		}

   316

   317

		FOR_ALL_VEHICLES(v) {

   318

			if (v->owner == old_player && IS_BYTE_INSIDE(v->type, VEH_Train, VEH_Aircraft + 1)) {

   319

				if (new_player == PLAYER_SPECTATOR) {

   320

					DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   321

					DeleteWindowById(WC_VEHICLE_DETAILS, v->index);

   322

					DeleteWindowById(WC_VEHICLE_ORDERS, v->index);

   323

					DeleteVehicle(v);

   324

				} else {

   325

					v->owner = new_player;

   326

					if (IsEngineCountable(v)) GetPlayer(new_player)->num_engines[v->engine_type]++;

   327

					switch (v->type) {

   328

						case VEH_Train:    if (IsFrontEngine(v)) v->unitnumber = ++num_train; break;

   329

						case VEH_Road:     v->unitnumber = ++num_road; break;

   330

						case VEH_Ship:     v->unitnumber = ++num_ship; break;

   331

						case VEH_Aircraft: if (IsNormalAircraft(v)) v->unitnumber = ++num_aircraft; break;

   332

					}

   333

				}

   334

			}

   335

		}

   336

	}

   337

   338

	/*  Change ownership of tiles */

   339

	{

   340

		TileIndex tile = 0;

   341

		do {

   342

			ChangeTileOwner(tile, old_player, new_player);

   343

		} while (++tile != MapSize());

   344

	}

   345

   346

	/* Change color of existing windows */

   347

	if (new_player != PLAYER_SPECTATOR) ChangeWindowOwner(old_player, new_player);

   348

   349

	{

   350

		Player *p;

   351

		uint i;

   352

   353

		/* Check for shares */

   354

		FOR_ALL_PLAYERS(p) {

   355

			for (i = 0; i < 4; i++) {

   356

				/* 'Sell' the share if this player has any */

   357

				if (p->share_owners[i] == _current_player) {

   358

					p->share_owners[i] = PLAYER_SPECTATOR;

   359

				}

   360

			}

   361

		}

   362

		p = GetPlayer(_current_player);

   363

		/* Sell all the shares that people have on this company */

   364

		for (i = 0; i < 4; i++)

   365

			p->share_owners[i] = PLAYER_SPECTATOR;

   366

	}

   367

   368

	_current_player = old;

   369

   370

	MarkWholeScreenDirty();

   371

}

   372

   373

static void PlayersCheckBankrupt(Player *p)

   374

{

   375

	PlayerID owner;

   376

	int64 val;

   377

   378

	/*  If the player has money again, it does not go bankrupt */

   379

	if (p->player_money >= 0) {

   380

		p->quarters_of_bankrupcy = 0;

   381

		return;

   382

	}

   383

   384

	p->quarters_of_bankrupcy++;

   385

   386

	owner = p->index;

   387

   388

	switch (p->quarters_of_bankrupcy) {

   389

		case 2:

   390

			AddNewsItem( (StringID)(owner | NB_BTROUBLE),

   391

				NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);

   392

			break;

   393

		case 3: {

   394

			/* XXX - In multiplayer, should we ask other players if it wants to take

   395

		          over when it is a human company? -- TrueLight */

   396

			if (IsHumanPlayer(owner)) {

   397

				AddNewsItem( (StringID)(owner | NB_BTROUBLE),

   398

					NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);

   399

				break;

   400

			}

   401

   402

			/* Check if the company has any value.. if not, declare it bankrupt

   403

			 *  right now */

   404

			val = CalculateCompanyValue(p);

   405

			if (val > 0) {

   406

				p->bankrupt_value = val;

   407

				p->bankrupt_asked = 1 << owner; // Don't ask the owner

   408

				p->bankrupt_timeout = 0;

   409

				break;

   410

			}

   411

			/* Else, falltrue to case 4... */

   412

		}

   413

		case 4: {

   414

			/* Close everything the owner has open */

   415

			DeletePlayerWindows(owner);

   416

   417

			/* Show bankrupt news */

   418

			SetDParam(0, p->name_1);

   419

			SetDParam(1, p->name_2);

   420

			AddNewsItem( (StringID)(owner | NB_BBANKRUPT), NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);

   421

   422

			if (IsHumanPlayer(owner)) {

   423

				/* XXX - If we are in offline mode, leave the player playing. Eg. there

   424

				 * is no THE-END, otherwise mark the player as spectator to make sure

   425

				 * he/she is no long in control of this company */

   426

				if (!_networking) {

   427

					p->bankrupt_asked = 0xFF;

   428

					p->bankrupt_timeout = 0x456;

   429

					break;

   430

				} else if (owner == _local_player) {

   431

					_network_playas = PLAYER_SPECTATOR;

   432

					SetLocalPlayer(PLAYER_SPECTATOR);

   433

				}

   434

   435

#ifdef ENABLE_NETWORK

   436

				/* The server has to handle all administrative issues, for example

   437

				 * updating and notifying all clients of what has happened */

   438

				if (_network_server) {

   439

					NetworkTCPSocketHandler *cs;

   440

					NetworkClientInfo *ci = NetworkFindClientInfoFromIndex(NETWORK_SERVER_INDEX);

   441

   442

					/* The server has just gone belly-up, mark it as spectator */

   443

					if (owner == ci->client_playas) {

   444

						ci->client_playas = PLAYER_SPECTATOR;

   445

						NetworkUpdateClientInfo(NETWORK_SERVER_INDEX);

   446

					}

   447

   448

					/* Find all clients that were in control of this company,

   449

					 * and mark them as spectator; broadcast this message to everyone */

   450

					FOR_ALL_CLIENTS(cs) {

   451

						ci = DEREF_CLIENT_INFO(cs);

   452

						if (ci->client_playas == owner) {

   453

							ci->client_playas = PLAYER_SPECTATOR;

   454

							NetworkUpdateClientInfo(ci->client_index);

   455

						}

   456

					}

   457

				}

   458

#endif /* ENABLE_NETWORK */

   459

			}

   460

   461

			/* Remove the player */

   462

			ChangeOwnershipOfPlayerItems(owner, PLAYER_SPECTATOR);

   463

			/* Register the player as not-active */

   464

			p->is_active = false;

   465

   466

			if (!IsHumanPlayer(owner) && (!_networking || _network_server) && _ai.enabled)

   467

				AI_PlayerDied(owner);

   468

		}

   469

	}

   470

}

   471

   472

void DrawNewsBankrupcy(Window *w)

   473

{

   474

	Player *p;

   475

   476

	DrawNewsBorder(w);

   477

   478

	p = GetPlayer((PlayerID)GB(WP(w,news_d).ni->string_id, 0, 4));

   479

	DrawPlayerFace(p->face, p->player_color, 2, 23);

   480

	GfxFillRect(3, 23, 3 + 91, 23 + 118, PALETTE_TO_STRUCT_GREY | (1 << USE_COLORTABLE));

   481

   482

	SetDParam(0, p->president_name_1);

   483

	SetDParam(1, p->president_name_2);

   484

   485

	DrawStringMultiCenter(49, 148, STR_7058_PRESIDENT, 94);

   486

   487

	switch (WP(w,news_d).ni->string_id & 0xF0) {

   488

	case NB_BTROUBLE:

   489

		DrawStringCentered(w->width>>1, 1, STR_7056_TRANSPORT_COMPANY_IN_TROUBLE, 0);

   490

   491

		SetDParam(0, p->name_1);

   492

		SetDParam(1, p->name_2);

   493

   494