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/* $Id$ */

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     3

/** @file economy.cpp */

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#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "currency.h"

     8

#include "functions.h"

    10

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

    11

#include "table/strings.h"

    12

#include "table/sprites.h"

    13

#include "map.h"

    14

#include "news.h"

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#include "player.h"

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#include "station.h"

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#include "vehicle.h"

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#include "window.h"

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#include "gfx.h"

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#include "command.h"

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#include "saveload.h"

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#include "economy.h"

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#include "industry.h"

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#include "town.h"

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#include "network/network.h"

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#include "sound.h"

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#include "engine.h"

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#include "network/network_data.h"

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#include "variables.h"

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#include "vehicle_gui.h"

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#include "ai/ai.h"

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#include "train.h"

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#include "aircraft.h"

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#include "newgrf_engine.h"

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#include "newgrf_sound.h"

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#include "newgrf_callbacks.h"

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#include "unmovable.h"

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#include "date.h"

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#include "cargotype.h"

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#include "player_face.h"

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    43

/* Score info */

    44

const ScoreInfo _score_info[] = {

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	{ SCORE_VEHICLES,        120, 100 },

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	{ 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 },

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	{ SCORE_MONEY,      10000000,  50 },

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	{ SCORE_LOAN,         250000,  50 },

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	{ SCORE_TOTAL,             0,   0 }

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};

    56

    57

int _score_part[MAX_PLAYERS][SCORE_END];

    58

    59

int64 CalculateCompanyValue(const Player* p)

    60

{

    61

	PlayerID owner = p->index;

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	int64 value;

    63

    64

	{

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		Station *st;

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		uint num = 0;

    67

    68

		FOR_ALL_STATIONS(st) {

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			if (st->owner == owner) {

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				uint facil = st->facilities;

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

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			}

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		}

    74

    75

		value = num * _price.station_value * 25;

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	}

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    78

	{

    79

		Vehicle *v;

    80

    81

		FOR_ALL_VEHICLES(v) {

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

    83

    84

			if (v->type == VEH_TRAIN ||

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					v->type == VEH_ROAD ||

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

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					v->type == VEH_SHIP) {

    88

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

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			}

    90

		}

    91

	}

    92

    93

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

    94

    95

	return max(value, 1LL);

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}

    97

    98

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

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

   100

 * @param update the economy with calculated score

   101

 * @param p player been evaluated

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 * @return actual score of this player

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 * */

   104

int UpdateCompanyRatingAndValue(Player *p, bool update)

   105

{

   106

	byte owner = p->index;

   107

	int score = 0;

   108

   109

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

   110

   111

/* Count vehicles */

   112

	{

   113

		Vehicle *v;

   114

		int32 min_profit = 0;

   115

		bool min_profit_first = true;

   116

		uint num = 0;

   117

   118

		FOR_ALL_VEHICLES(v) {

   119

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

   121

				num++;

   122

				if (v->age > 730) {

   123

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

   124

					if (min_profit_first == true) {

   125

						min_profit = v->profit_last_year;

   126

						min_profit_first = false;

   127

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

   128

						min_profit = v->profit_last_year;

   129

					}

   130

				}

   131

			}

   132

		}

   133

   134

		_score_part[owner][SCORE_VEHICLES] = num;

   135

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

   136

		if (min_profit > 0)

   137

			_score_part[owner][SCORE_MIN_PROFIT] = min_profit;

   138

	}

   139

   140

/* Count stations */

   141

	{

   142

		uint num = 0;

   143

		const Station* st;

   144

   145

		FOR_ALL_STATIONS(st) {

   146

			if (st->owner == owner) {

   147

				int facil = st->facilities;

   148

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

   149

			}

   150

		}

   151

		_score_part[owner][SCORE_STATIONS] = num;

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	}

   153

   154

/* Generate statistics depending on recent income statistics */

   155

	{

   156

		const PlayerEconomyEntry* pee;

   157

		int numec;

   158

		int32 min_income;

   159

		int32 max_income;

   160

   161

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

   162

		if (numec != 0) {

   163

			min_income = 0x7FFFFFFF;

   164

			max_income = 0;

   165

			pee = p->old_economy;

   166

			do {

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

   168

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

   169

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

   170

   171

			if (min_income > 0)

   172

				_score_part[owner][SCORE_MIN_INCOME] = min_income;

   173

   174

			_score_part[owner][SCORE_MAX_INCOME] = max_income;

   175

		}

   176

	}

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   178

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

   179

	{

   180

		const PlayerEconomyEntry* pee;

   181

		int numec;

   182

		uint32 total_delivered;

   183

   184

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

   185

		if (numec != 0) {

   186

			pee = p->old_economy;

   187

			total_delivered = 0;

   188

			do {

   189

				total_delivered += pee->delivered_cargo;

   190

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

   191

   192

			_score_part[owner][SCORE_DELIVERED] = total_delivered;

   193

		}

   194

	}

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   196

/* Generate score for variety of cargo */

   197

	{

   198

		uint cargo = p->cargo_types;

   199

		uint num = 0;

   200

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

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		_score_part[owner][SCORE_CARGO] = num;

   202

		if (update) p->cargo_types = 0;

   203

	}

   204

   205

/* Generate score for player money */

   206

	{

   207

		int32 money = p->player_money;

   208

		if (money > 0) {

   209

			_score_part[owner][SCORE_MONEY] = money;

   210

		}

   211

	}

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   213

/* Generate score for loan */

   214

	{

   215

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

   216

	}

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   218

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

   219

	{

   220

		int total_score = 0;

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		int s;

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		score = 0;

   223

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

   224

			/* Skip the total */

   225

			if (i == SCORE_TOTAL) continue;

   226

			/*  Check the score */

   227

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

   228

				_score_info[i].score :

   229

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

   230

			if (s < 0) s = 0;

   231

			score += s;

   232

			total_score += _score_info[i].score;

   233

		}

   234

   235

		_score_part[owner][SCORE_TOTAL] = score;

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   237

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

   238

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

   239

	}

   240

   241

	if (update) {

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

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		UpdateCompanyHQ(p, score);

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

   245

	}

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   247

	InvalidateWindow(WC_PERFORMANCE_DETAIL, 0);

   248

	return score;

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}

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   251

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

   252

void ChangeOwnershipOfPlayerItems(PlayerID old_player, PlayerID new_player)

   253

{

   254

	Town *t;

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	PlayerID old = _current_player;

   291

	_current_player = old_player;

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   293

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

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

   295

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

   296

	if (new_player == PLAYER_SPECTATOR) {

   297

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

   298

		UpdatePlayerMoney32(GetPlayer(old_player));

   299

	}

   300

   301

	if (new_player == PLAYER_SPECTATOR) {

   302

		Subsidy *s;

   303

   304

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

   305

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

   306

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

   307

			}

   308

		}

   309

	}

   310

   311

	/* Take care of rating in towns */

   312

	FOR_ALL_TOWNS(t) {

   313

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

   314

		if (new_player != PLAYER_SPECTATOR) {

   315

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

   316

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

   317

					// use max of the two ratings.

   318

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

   319

				} else {

   320

					SETBIT(t->have_ratings, new_player);

   321

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

   322

				}

   323

			}

   324

		}

   325

   326

		/* Reset the ratings for the old player */

   327

		t->ratings[old_player] = 500;

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		CLRBIT(t->have_ratings, old_player);

   329

	}

   330

   331

	{

   332

		int num_train = 0;

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		int num_road = 0;

   334

		int num_ship = 0;

   335

		int num_aircraft = 0;

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		Vehicle *v;

   337

   338

		/*  Determine Ids for the new vehicles */

   339

		FOR_ALL_VEHICLES(v) {

   340

			if (v->owner == new_player) {

   341

				switch (v->type) {

   342

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

   343

					case VEH_ROAD:     num_road++; break;

   344

					case VEH_SHIP:     num_ship++; break;

   345

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

   346

					default: break;

   347

				}

   348

			}

   349

		}

   350

   351

		FOR_ALL_VEHICLES(v) {

   352

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

   353

				if (new_player == PLAYER_SPECTATOR) {

   354

					DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   355

					DeleteWindowById(WC_VEHICLE_DETAILS, v->index);

   356

					DeleteWindowById(WC_VEHICLE_ORDERS, v->index);

   357

					DeleteVehicle(v);

   358

				} else {

   359

					v->owner = new_player;

   361

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

   362

					switch (v->type) {

   363

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

   364

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

   365

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

   366

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

   368

					}

   369

				}

   370

			}

   371

		}

   372

	}

   373

   374

	/*  Change ownership of tiles */

   375

	{

   376

		TileIndex tile = 0;

   377

		do {

   378

			ChangeTileOwner(tile, old_player, new_player);

   379

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

   380

	}

   381

   382

	/* Change color of existing windows */

   383

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

   384

   385

	_current_player = old;

   386

   387

	MarkWholeScreenDirty();

   388

}

   389

   390

static void ChangeNetworkOwner(PlayerID current_player, PlayerID new_player)

   391

{

   392

#ifdef ENABLE_NETWORK

   393

	if (!_networking) return;

   394

   395

	if (current_player == _local_player) {

   396

		_network_playas = new_player;

   397

		SetLocalPlayer(new_player);

   398

	}

   399

   400

	if (!_network_server) return;

   401

   402

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

   403

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

   404

	NetworkTCPSocketHandler *cs;

   405

	NetworkClientInfo *ci = NetworkFindClientInfoFromIndex(NETWORK_SERVER_INDEX);

   406

   407

	/* The server has just changed from player */

   408

	if (current_player == ci->client_playas) {

   409

		ci->client_playas = new_player;

   410

		NetworkUpdateClientInfo(NETWORK_SERVER_INDEX);

   411

	}

   412

   413

	/* Find all clients that were in control of this company, and mark them as new_player */

   414

	FOR_ALL_CLIENTS(cs) {

   415

		ci = DEREF_CLIENT_INFO(cs);

   416

		if (current_player == ci->client_playas) {

   417

			ci->client_playas = new_player;

   418

			NetworkUpdateClientInfo(ci->client_index);

   419

		}

   420

	}

   421

#endif /* ENABLE_NETWORK */

   422

}

   423

   424

static void PlayersCheckBankrupt(Player *p)

   425

{

   426

	PlayerID owner;

   427

	int64 val;

   428

   429

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

   430

	if (p->player_money >= 0) {

   431

		p->quarters_of_bankrupcy = 0;

   432

		return;

   433

	}

   434

   435

	p->quarters_of_bankrupcy++;

   436

   437

	owner = p->index;

   438

   439

	switch (p->quarters_of_bankrupcy) {

   440

		case 2:

   441

			AddNewsItem( (StringID)(owner | NB_BTROUBLE),

   442

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

   443

			break;

   444

		case 3: {

   445

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

   446

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

   447

			if (IsHumanPlayer(owner)) {

   448

				AddNewsItem( (StringID)(owner | NB_BTROUBLE),

   449

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

   450

				break;

   451

			}

   452

   453

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

   454

			 *  right now */

   455

			val = CalculateCompanyValue(p);

   456

			if (val > 0) {

   457

				p->bankrupt_value = val;

   458

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

   459

				p->bankrupt_timeout = 0;

   460

				break;

   461

			}

   462

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

   463

		}

   464

		case 4: {

   465

			/* Close everything the owner has open */

   466

			DeletePlayerWindows(owner);

   467

   468

			/* Show bankrupt news */

   469

			SetDParam(0, p->name_1);

   470

			SetDParam(1, p->name_2);

   471

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

   472

   473

			if (IsHumanPlayer(owner)) {

   474

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

   475

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

   476

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

   477

				if (!_networking) {

   478

					p->bankrupt_asked = 0xFF;

   479

					p->bankrupt_timeout = 0x456;

   480

					break;

   481

				}

   482

   483

				ChangeNetworkOwner(owner, PLAYER_SPECTATOR);

   484

			}

   485

   486

			/* Remove the player */

   487

			ChangeOwnershipOfPlayerItems(owner, PLAYER_SPECTATOR);

   488

			/* Register the player as not-active */

   489

			p->is_active = false;

   490

   491

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

   492

				AI_PlayerDied(owner);

   493

		}

   494

	}