1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "currency.h"

     6

#include "functions.h"

     7

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

     8

#include "table/strings.h"

     9

#include "table/sprites.h"

    10

#include "map.h"

    11

#include "news.h"

    12

#include "player.h"

    13

#include "station.h"

    14

#include "vehicle.h"

    15

#include "window.h"

    16

#include "gfx.h"

    17

#include "command.h"

    18

#include "saveload.h"

    19

#include "economy.h"

    20

#include "industry.h"

    21

#include "town.h"

    22

#include "network.h"

    23

#include "sound.h"

    24

#include "engine.h"

    25

#include "network_data.h"

    26

#include "variables.h"

    27

#include "vehicle_gui.h"

    28

#include "ai/ai.h"

    29

#include "train.h"

    30

#include "newgrf_engine.h"

    31

#include "newgrf_sound.h"

    32

#include "newgrf_callbacks.h"

    33

#include "unmovable.h"

    34

#include "date.h"

    35

    36

// Score info

    37

const ScoreInfo _score_info[] = {

    38

	{ SCORE_VEHICLES,        120, 100 },

    39

	{ SCORE_STATIONS,         80, 100 },

    40

	{ SCORE_MIN_PROFIT,    10000, 100 },

    41

	{ SCORE_MIN_INCOME,    50000,  50 },

    42

	{ SCORE_MAX_INCOME,   100000, 100 },

    43

	{ SCORE_DELIVERED,     40000, 400 },

    44

	{ SCORE_CARGO,             8,  50 },

    45

	{ SCORE_MONEY,      10000000,  50 },

    46

	{ SCORE_LOAN,         250000,  50 },

    47

	{ SCORE_TOTAL,             0,   0 }

    48

};

    49

    50

int _score_part[MAX_PLAYERS][NUM_SCORE];

    51

    52

int64 CalculateCompanyValue(const Player* p)

    53

{

    54

	PlayerID owner = p->index;

    55

	int64 value;

    56

    57

	{

    58

		Station *st;

    59

		uint num = 0;

    60

    61

		FOR_ALL_STATIONS(st) {

    62

			if (st->owner == owner) {

    63

				uint facil = st->facilities;

    64

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

    65

			}

    66

		}

    67

    68

		value = num * _price.station_value * 25;

    69

	}

    70

    71

	{

    72

		Vehicle *v;

    73

    74

		FOR_ALL_VEHICLES(v) {

    75

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

    76

    77

			if (v->type == VEH_Train ||

    78

					v->type == VEH_Road ||

    79

					(v->type == VEH_Aircraft && v->subtype<=2) ||

    80

					v->type == VEH_Ship) {

    81

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

    82

			}

    83

		}

    84

	}

    85

    86

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

    87

    88

	return max64(value, 1);

    89

}

    90

    91

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

    92

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

    93

int UpdateCompanyRatingAndValue(Player *p, bool update)

    94

{

    95

	byte owner = p->index;

    96

	int score = 0;

    97

    98

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

    99

   100

/* Count vehicles */

   101

	{

   102

		Vehicle *v;

   103

		int32 min_profit = 0;

   104

		bool min_profit_first = true;

   105

		uint num = 0;

   106

   107

		FOR_ALL_VEHICLES(v) {

   108

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

   109

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

   110

					 v->type == VEH_Road ||

   111

					(v->type == VEH_Aircraft && v->subtype <= 2) ||

   112

					 v->type == VEH_Ship) {

   113

				num++;

   114

				if (v->age > 730) {

   115

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

   116

					if (min_profit_first == true) {

   117

						min_profit = v->profit_last_year;

   118

						min_profit_first = false;

   119

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

   120

						min_profit = v->profit_last_year;

   121

					}

   122

				}

   123

			}

   124

		}

   125

   126

		_score_part[owner][SCORE_VEHICLES] = num;

   127

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

   128

		if (min_profit > 0)

   129

			_score_part[owner][SCORE_MIN_PROFIT] = min_profit;

   130

	}

   131

   132

/* Count stations */

   133

	{

   134

		uint num = 0;

   135

		const Station* st;

   136

   137

		FOR_ALL_STATIONS(st) {

   138

			if (st->owner == owner) {

   139

				int facil = st->facilities;

   140

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

   141

			}

   142

		}

   143

		_score_part[owner][SCORE_STATIONS] = num;

   144

	}

   145

   146

/* Generate statistics depending on recent income statistics */

   147

	{

   148

		const PlayerEconomyEntry* pee;

   149

		int numec;

   150

		int32 min_income;

   151

		int32 max_income;

   152

   153

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

   154

		if (numec != 0) {

   155

			min_income = 0x7FFFFFFF;

   156

			max_income = 0;

   157

			pee = p->old_economy;

   158

			do {

   159

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

   160

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

   161

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

   162

   163

			if (min_income > 0)

   164

				_score_part[owner][SCORE_MIN_INCOME] = min_income;

   165

   166

			_score_part[owner][SCORE_MAX_INCOME] = max_income;

   167

		}

   168

	}

   169

   170

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

   171

	{

   172

		const PlayerEconomyEntry* pee;

   173

		int numec;

   174

		uint32 total_delivered;

   175

   176

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

   177

		if (numec != 0) {

   178

			pee = p->old_economy;

   179

			total_delivered = 0;

   180

			do {

   181

				total_delivered += pee->delivered_cargo;

   182

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

   183

   184

			_score_part[owner][SCORE_DELIVERED] = total_delivered;

   185

		}

   186

	}

   187

   188

/* Generate score for variety of cargo */

   189

	{

   190

		uint cargo = p->cargo_types;

   191

		uint num = 0;

   192

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

   193

		_score_part[owner][SCORE_CARGO] = num;

   194

		if (update) p->cargo_types = 0;

   195

	}

   196

   197

/* Generate score for player money */

   198

	{

   199

		int32 money = p->player_money;

   200

		if (money > 0) {

   201

			_score_part[owner][SCORE_MONEY] = money;

   202

		}

   203

	}

   204

   205

/* Generate score for loan */

   206

	{

   207

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

   208

	}

   209

   210

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

   211

	{

   212

		int i;

   213

		int total_score = 0;

   214

		int s;

   215

		score = 0;

   216

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

   217

			// Skip the total

   218

			if (i == SCORE_TOTAL) continue;

   219

			// Check the score

   220

			s = clamp(_score_part[owner][i], 0, _score_info[i].needed) * _score_info[i].score / _score_info[i].needed;

   221

			score += s;

   222

			total_score += _score_info[i].score;

   223

		}

   224

   225

		_score_part[owner][SCORE_TOTAL] = score;

   226

   227

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

   228

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

   229

	}

   230

   231

	if (update) {

   232

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

   233

		UpdateCompanyHQ(p, score);

   234

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

   235

	}

   236

   237

	InvalidateWindow(WC_PERFORMANCE_DETAIL, 0);

   238

	return score;

   239

}

   240

   241

// use PLAYER_SPECTATOR as new_player to delete the player.

   242

void ChangeOwnershipOfPlayerItems(PlayerID old_player, PlayerID new_player)

   243

{

   244

	Town *t;

   245

	PlayerID old = _current_player;

   246

   247

	assert(old_player != new_player);

   248

   249

	{

   250

		Player *p;

   251

		uint i;

   252

   253

		/* See if the old_player had shares in other companies */

   254

		_current_player = old_player;

   255

		FOR_ALL_PLAYERS(p) {

   256

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

   257

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

   258

					/* Sell his shares */

   259

					int32 res = DoCommand(0, p->index, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);

   260

					/* Because we are in a DoCommand, we can't just execute an other one and

   261

					 *  expect the money to be removed. We need to do it ourself! */

   262

					SubtractMoneyFromPlayer(res);

   263

				}

   264

			}

   265

		}

   266

   267

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

   268

		p = GetPlayer(old_player);

   269

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

   270

			_current_player = p->share_owners[i];

   271

			if (_current_player != PLAYER_SPECTATOR) {

   272

				/* Sell the shares */

   273

				int32 res = DoCommand(0, old_player, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);

   274

				/* Because we are in a DoCommand, we can't just execute an other one and

   275

				 *  expect the money to be removed. We need to do it ourself! */

   276

				SubtractMoneyFromPlayer(res);

   277

			}

   278

		}

   279

	}

   280

   281

	_current_player = old_player;

   282

   283

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

   284

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

   285

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

   286

	if (new_player == PLAYER_SPECTATOR) {

   287

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

   288

		UpdatePlayerMoney32(GetPlayer(old_player));

   289

	}

   290

   291

	if (new_player == PLAYER_SPECTATOR) {

   292

		Subsidy *s;

   293

   294

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

   295

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

   296

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

   297

			}

   298

		}

   299

	}

   300

   301

	/* Take care of rating in towns */

   302

	FOR_ALL_TOWNS(t) {

   303

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

   304

		if (new_player != PLAYER_SPECTATOR) {

   305

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

   306

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

   307

					// use max of the two ratings.

   308

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

   309

				} else {

   310

					SETBIT(t->have_ratings, new_player);

   311

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

   312

				}

   313

			}

   314

		}

   315

   316

		/* Reset the ratings for the old player */

   317

		t->ratings[old_player] = 500;

   318

		CLRBIT(t->have_ratings, old_player);

   319

	}

   320

   321

	{

   322

		int num_train = 0;

   323

		int num_road = 0;

   324

		int num_ship = 0;

   325

		int num_aircraft = 0;

   326

		Vehicle *v;

   327

   328

		// Determine Ids for the new vehicles

   329

		FOR_ALL_VEHICLES(v) {

   330

			if (v->owner == new_player) {

   331

				switch (v->type) {

   332

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

   333

					case VEH_Road:     num_road++; break;

   334

					case VEH_Ship:     num_ship++; break;

   335

					case VEH_Aircraft: if (v->subtype <= 2) num_aircraft++; break;

   336

					default: break;

   337

				}

   338

			}

   339

		}

   340

   341

		FOR_ALL_VEHICLES(v) {

   342

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

   343

				if (new_player == PLAYER_SPECTATOR) {

   344

					DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   345

					DeleteWindowById(WC_VEHICLE_DETAILS, v->index);

   346

					DeleteWindowById(WC_VEHICLE_ORDERS, v->index);

   347

					DeleteVehicle(v);

   348

				} else {

   349

					v->owner = new_player;

   350

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

   351

					switch (v->type) {

   352

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

   353

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

   354

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

   355

						case VEH_Aircraft: if (v->subtype <= 2) v->unitnumber = ++num_aircraft; break;

   356

					}

   357

				}

   358

			}

   359

		}

   360

	}

   361

   362

	// Change ownership of tiles

   363

	{

   364

		TileIndex tile = 0;

   365

		do {

   366

			ChangeTileOwner(tile, old_player, new_player);

   367

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

   368

	}

   369

   370

	/* Change color of existing windows */

   371

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

   372

   373

	_current_player = old;

   374

   375

	MarkWholeScreenDirty();

   376

}

   377

   378

static void ChangeNetworkOwner(PlayerID current_player, PlayerID new_player)

   379

{

   380

#ifdef ENABLE_NETWORK

   381

	NetworkClientState *cs;

   382

	NetworkClientInfo *ci;

   383

	if (!_networking) return;

   384

   385

	if (current_player == _local_player) {

   386

		_network_playas = new_player;

   387

		SetLocalPlayer(new_player);

   388

	}

   389

   390

	if (!_network_server) return;

   391

   392

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

   393

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

   394

	ci = NetworkFindClientInfoFromIndex(NETWORK_SERVER_INDEX);

   395

   396

	/* The server has just changed from player */

   397

	if (current_player == ci->client_playas) {

   398

		ci->client_playas = new_player;

   399

		NetworkUpdateClientInfo(NETWORK_SERVER_INDEX);

   400

	}

   401

   402

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

   403

	FOR_ALL_CLIENTS(cs) {

   404

		ci = DEREF_CLIENT_INFO(cs);

   405

		if (current_player == ci->client_playas) {

   406

			ci->client_playas = new_player;

   407

			NetworkUpdateClientInfo(ci->client_index);

   408

		}

   409

	}

   410

#endif /* ENABLE_NETWORK */

   411

}

   412

   413

static void PlayersCheckBankrupt(Player *p)

   414

{

   415

	PlayerID owner;

   416

	int64 val;

   417

   418

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

   419

	if (p->player_money >= 0) {

   420

		p->quarters_of_bankrupcy = 0;

   421

		return;

   422

	}

   423

   424

	p->quarters_of_bankrupcy++;

   425

   426

	owner = p->index;

   427

   428

	switch (p->quarters_of_bankrupcy) {

   429

		case 2:

   430

			AddNewsItem( (StringID)(owner | NB_BTROUBLE),

   431

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

   432

			break;

   433

		case 3: {

   434

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

   435

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

   436

			if (IsHumanPlayer(owner)) {

   437

				AddNewsItem( (StringID)(owner | NB_BTROUBLE),

   438

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

   439

				break;

   440

			}

   441

   442

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

   443

			//  right now

   444

			val = CalculateCompanyValue(p);

   445

			if (val > 0) {

   446

				p->bankrupt_value = val;

   447

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

   448

				p->bankrupt_timeout = 0;

   449

				break;

   450

			}

   451

			// Else, falltrue to case 4...

   452

		}

   453

		case 4: {

   454

			// Close everything the owner has open

   455

			DeletePlayerWindows(owner);

   456

   457

//		Show bankrupt news

   458

			SetDParam(0, p->name_1);

   459

			SetDParam(1, p->name_2);

   460

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

   461

   462

			if (IsHumanPlayer(owner)) {

   463

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

   464

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

   465

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

   466

				if (!_networking) {

   467

					p->bankrupt_asked = 0xFF;

   468

					p->bankrupt_timeout = 0x456;

   469

					break;

   470

				}

   471

   472

				ChangeNetworkOwner(owner, PLAYER_SPECTATOR);

   473

			}

   474

   475

			/* Remove the player */

   476

			ChangeOwnershipOfPlayerItems(owner, PLAYER_SPECTATOR);

   477

			/* Register the player as not-active */

   478

			p->is_active = false;

   479

   480

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

   481

				AI_PlayerDied(owner);

   482

		}

   483

	}

   484

}

   485

   486

void DrawNewsBankrupcy(Window *w)

   487

{

   488

	Player *p;

   489

   490

	DrawNewsBorder(w);

   491

   492

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

   493

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

   494

	GfxFillRect(3, 23, 3+91, 23+118, 0x323 | USE_COLORTABLE);

   495

   496

	SetDParam(0, p->president_name_1);

   497