1

/* $Id$ */

     2

     3

/** @file players.cpp

     4

 */

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "engine.h"

     8

#include "functions.h"

     9

#include "string.h"

    10

#include "strings.h"

    11

#include "table/strings.h"

    12

#include "table/sprites.h"

    13

#include "map.h"

    14

#include "player.h"

    15

#include "town.h"

    16

#include "vehicle.h"

    17

#include "station.h"

    18

#include "gfx.h"

    19

#include "news.h"

    20

#include "saveload.h"

    21

#include "command.h"

    22

#include "sound.h"

    23

#include "network/network.h"

    24

#include "variables.h"

    25

#include "engine.h"

    26

#include "ai/ai.h"

    27

#include "date.h"

    28

#include "window.h"

    29

    30

/**

    31

 * Sets the local player and updates the patch settings that are set on a

    32

 * per-company (player) basis to reflect the core's state in the GUI.

    33

 * @param new_player the new player

    34

 * @pre IsValidPlayer(new_player) || new_player == PLAYER_SPECTATOR || new_player == OWNER_NONE

    35

 */

    36

void SetLocalPlayer(PlayerID new_player)

    37

{

    38

	/* Player could also be PLAYER_SPECTATOR or OWNER_NONE */

    39

	assert(IsValidPlayer(new_player) || new_player == PLAYER_SPECTATOR || new_player == OWNER_NONE);

    40

    41

	_local_player = new_player;

    42

    43

	/* Do not update the patches if we are in the intro GUI */

    44

	if (IsValidPlayer(new_player) && _game_mode != GM_MENU) {

    45

		const Player *p = GetPlayer(new_player);

    46

		_patches.autorenew        = p->engine_renew;

    47

		_patches.autorenew_months = p->engine_renew_months;

    48

		_patches.autorenew_money  = p->engine_renew_money;

    49

		InvalidateWindow(WC_GAME_OPTIONS, 0);

    50

	}

    51

}

    52

    53

    54

uint16 GetDrawStringPlayerColor(PlayerID player)

    55

{

    56

	/* Get the color for DrawString-subroutines which matches the color

    57

	 * of the player */

    58

	if (!IsValidPlayer(player)) return _colour_gradient[COLOUR_WHITE][4] | IS_PALETTE_COLOR;

    59

	return (_colour_gradient[_player_colors[player]][4]) | IS_PALETTE_COLOR;

    60

}

    61

    62

void DrawPlayerIcon(PlayerID p, int x, int y)

    63

{

    64

	DrawSprite(SPR_PLAYER_ICON, PLAYER_SPRITE_COLOR(p), x, y);

    65

}

    66

    67

/** The gender/race combinations that we have faces for */

    68

enum GenderRace {

    69

	GENDER_FEMALE = 0,                                    ///< This bit set means a female, otherwise male

    70

	RACE_BLACK    = 1,                                    ///< This bit set means black, otherwise white

    71

    72

	WHITE_MALE    = 0,                                    ///< A male of Caucasian origin

    73

	WHITE_FEMALE  = 1 << GENDER_FEMALE,                   ///< A female of Caucasian origin

    74

	BLACK_MALE    = 1 << RACE_BLACK,                      ///< A male of African origin

    75

	BLACK_FEMALE  = 1 << RACE_BLACK | 1 << GENDER_FEMALE, ///< A female of African origin

    76

};

    77

DECLARE_ENUM_AS_BIT_SET(GenderRace); ///< See GenderRace as a bitset

    78

    79

/**

    80

 * Draws the face of a player.

    81

 *

    82

 * Meaning of the bits in face (some bits are used in several times):

    83

 * - 4 and 5: chin

    84

 * - 6 to 9: eye colour

    85

 * - 10 to 13: nose

    86

 * - 13 to 15: lips (also moustache for males)

    87

 * - 16 to 19: hair

    88

 * - 20 to 22: eyebrows

    89

 * - 20 to 27: tie, ear rings etc.

    90

 * - 28 to 30: glasses

    91

 * - 19, 26 and 27: race (bit 27 set and bit 19 equal to bit 26 = black, otherwise white)

    92

 * - 31: gender (0 = male, 1 = female)

    93

 *

    94

 * @param face  the bit-encoded representation of the face

    95

 * @param color the (background) color of the gradient

    96

 * @param x     x-position to draw the face

    97

 * @param y     y-position to draw the face

    98

 *

    99

 * @note all magic hexadecimal numbers in this function as sprite IDs.

   100

 * @todo replace magic hexadecimal numbers with enums

   101

 */

   102

void DrawPlayerFace(uint32 face, int color, int x, int y)

   103

{

   104

	GenderRace gen_race = WHITE_MALE;

   105

   106

	if (HASBIT(face, 31)) SetBitT(gen_race, GENDER_FEMALE);

   107

	if (HASBIT(face, 27) && (HASBIT(face, 26) == HASBIT(face, 19))) SetBitT(gen_race, RACE_BLACK);

   108

   109

	/* Draw the gradient (background) */

   110

	DrawSprite(SPR_GRADIENT, GENERAL_SPRITE_COLOR(color), x, y);

   111

   112

	/* Draw the cheeks */

   113

	static const SpriteID cheeks_table[] = { 0x325, 0x326, 0x390, 0x3B0 };

   114

	DrawSprite(cheeks_table[gen_race], PAL_NONE, x, y);

   115

   116

	/* Draw the chin */

   117

	uint chin = GB(face, 4, 2);

   118

	if (HASBIT(gen_race, RACE_BLACK)) {

   119

		DrawSprite((HASBIT(gen_race, GENDER_FEMALE) ? 0x3B1 : 0x391) + (chin >> 1), PAL_NONE, x, y);

   120

	} else {

   121

		DrawSprite(0x327 + (HASBIT(gen_race, GENDER_FEMALE) ? 0 : chin), PAL_NONE, x, y);

   122

	}

   123

   124

	/* Draw the eyes */

   125

	uint eye_colour = GB(face,  6, 4);

   126

	uint eyebrows   = GB(face, 20, 3);

   127

	SpriteID pal;

   128

   129

	if (eye_colour < 6) {

   130

		pal = PALETTE_TO_BROWN;

   131

	} else if (eye_colour == 6) {

   132

		pal = PALETTE_TO_BLUE;

   133

	} else {

   134

		pal = PALETTE_TO_GREEN;

   135

	}

   136

   137

	switch (gen_race) {

   138

		case WHITE_MALE:   DrawSprite(0x32B + (eyebrows * 12 >> 4), pal, x, y); break;

   139

		case WHITE_FEMALE: DrawSprite(0x337 + eyebrows,             pal, x, y); break;

   140

		case BLACK_MALE:   DrawSprite(0x39A + (eyebrows * 11 >> 4), pal, x, y); break;

   141

		case BLACK_FEMALE: DrawSprite(0x3B8 + eyebrows,             pal, x, y); break;

   142

	}

   143

   144

	/* Draw the mouth */

   145

	uint nose = GB(face, 13, 3);

   146

	uint lips = GB(face, 10, 4);

   147

   148

	if (!HASBIT(gen_race, GENDER_FEMALE)) {

   149

		lips = (lips * 15 >> 4);

   150

   151

		if (lips < 3) {

   152

			/* Moustache, including nose and lips */

   153

			DrawSprite((HASBIT(gen_race, RACE_BLACK) ? 0x397 : 0x367) + lips, PAL_NONE, x, y);

   154

   155

			/* Skip the rest */

   156

			goto skip_mouth;

   157

		}

   158

   159

		/* Lips */

   160

		lips -= 3;

   161

		if (HASBIT(gen_race, RACE_BLACK)) {

   162

			if (lips > 8) lips = 0;

   163

			lips += 0x3A5 - 0x35B;

   164

		}

   165

		DrawSprite(lips + 0x35B, PAL_NONE, x, y);

   166

	} else if (HASBIT(gen_race, RACE_BLACK)) {

   167

		/* Female lips with make up */

   168

		DrawSprite((lips * 9 >> 4) + 0x3C8, PAL_NONE, x, y);

   169

	} else {

   170

		/* Female lips */

   171

		DrawSprite((lips * 10 >> 4) + 0x351, PAL_NONE, x, y);

   172

	}

   173

   183

	}

   184

skip_mouth:

   185

   186

	/* Draw the hair */

   187

	uint hair = GB(face, 16, 4);

   188

	switch (gen_race) {

   189

		case WHITE_MALE:   DrawSprite(0x382 + (hair * 9 >> 4), PAL_NONE, x, y); break;

   190

		case WHITE_FEMALE: DrawSprite(0x38B + (hair * 5 >> 4), PAL_NONE, x, y); break;

   191

		case BLACK_MALE:   DrawSprite(0x3D4 + (hair * 5 >> 4), PAL_NONE, x, y); break;

   192

		case BLACK_FEMALE: DrawSprite(0x3D9 + (hair * 5 >> 4), PAL_NONE, x, y); break;

   193

	}

   194

   195

	/* Draw the tie, ear rings etc. */

   196

	uint tie = GB(face, 20, 8);

   197

	if (HASBIT(gen_race, GENDER_FEMALE)) {

   198

		DrawSprite(0x378 + (GB(tie, 0, 2) * 3 >> 2), PAL_NONE, x, y);

   199

		DrawSprite(0x37B + (GB(tie, 2, 2) * 4 >> 2), PAL_NONE, x, y);

   200

   201

		tie >>= 4;

   202

		if (tie < 3) DrawSprite((HASBIT(gen_race, RACE_BLACK) ? 0x3D1 : 0x37F) + tie, PAL_NONE, x, y);

   203

	} else {

   204

		DrawSprite(0x36B + (GB(tie, 0, 2) * 3 >> 2), PAL_NONE, x, y);

   205

		DrawSprite(0x36E + (GB(tie, 2, 2) * 4 >> 2), PAL_NONE, x, y);

   206

		DrawSprite(0x372 + (GB(tie, 4, 4) * 6 >> 4), PAL_NONE, x, y);

   207

	}

   208

   209

	/* draw the glasses */

   210

	uint glasses = GB(face, 28, 3);

   211

	if (glasses <= 1) DrawSprite((HASBIT(gen_race, RACE_BLACK) ? 0x3AE : 0x347) + glasses, PAL_NONE, x, y);

   212

}

   213

   214

void InvalidatePlayerWindows(const Player *p)

   215

{

   216

	PlayerID pid = p->index;

   217

   218

	if (pid == _local_player) InvalidateWindow(WC_STATUS_BAR, 0);

   219

	InvalidateWindow(WC_FINANCES, pid);

   220

}

   221

   222

bool CheckPlayerHasMoney(int32 cost)

   223

{

   224

	if (cost > 0) {

   225

		PlayerID pid = _current_player;

   226

		if (IsValidPlayer(pid) && cost > GetPlayer(pid)->player_money) {

   227

			SetDParam(0, cost);

   228

			_error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES;

   229

			return false;

   230

		}

   231

	}

   232

	return true;

   233

}

   234

   235

static void SubtractMoneyFromAnyPlayer(Player *p, int32 cost)

   236

{

   237

	p->money64 -= cost;

   238

	UpdatePlayerMoney32(p);

   239

   240

	p->yearly_expenses[0][_yearly_expenses_type] += cost;

   241

   242

	if (HASBIT(1<<7|1<<8|1<<9|1<<10, _yearly_expenses_type)) {

   243

		p->cur_economy.income -= cost;

   244

	} else if (HASBIT(1<<2|1<<3|1<<4|1<<5|1<<6|1<<11, _yearly_expenses_type)) {

   245

		p->cur_economy.expenses -= cost;

   246

	}

   247

   248

	InvalidatePlayerWindows(p);

   249

}

   250

   251

void SubtractMoneyFromPlayer(int32 cost)

   252

{

   253

	PlayerID pid = _current_player;

   254

   255

	if (IsValidPlayer(pid)) SubtractMoneyFromAnyPlayer(GetPlayer(pid), cost);

   256

}

   257

   258

void SubtractMoneyFromPlayerFract(PlayerID player, int32 cost)

   259

{

   260

	Player *p = GetPlayer(player);

   261

	byte m = p->player_money_fraction;

   262

   263

	p->player_money_fraction = m - (byte)cost;

   264

	cost >>= 8;

   265

	if (p->player_money_fraction > m) cost++;

   266

	if (cost != 0) SubtractMoneyFromAnyPlayer(p, cost);

   267

}

   268

   269

// the player_money field is kept as it is, but money64 contains the actual amount of money.

   270

void UpdatePlayerMoney32(Player *p)

   271

{

   272

	if (p->money64 < -2000000000) {

   273

		p->player_money = -2000000000;

   274

	} else if (p->money64 > 2000000000) {

   275

		p->player_money = 2000000000;

   276

	} else {

   277

		p->player_money = (int32)p->money64;

   278

	}

   279

}

   280

   281

void GetNameOfOwner(Owner owner, TileIndex tile)

   282

{

   283

	SetDParam(2, owner);

   284

   285

	if (owner != OWNER_TOWN) {

   286

		if (!IsValidPlayer(owner)) {

   287

			SetDParam(0, STR_0150_SOMEONE);

   288

		} else {

   289

			const Player* p = GetPlayer(owner);

   290

   291

			SetDParam(0, p->name_1);

   292

			SetDParam(1, p->name_2);

   293

		}

   294

	} else {

   295

		const Town* t = ClosestTownFromTile(tile, (uint)-1);

   296

   297

		SetDParam(0, STR_TOWN);

   298

		SetDParam(1, t->index);

   299

	}

   300

}

   301

   302

   303

bool CheckOwnership(PlayerID owner)

   304

{

   305

	assert(owner < OWNER_END);

   306

   307

	if (owner == _current_player) return true;

   308

	_error_message = STR_013B_OWNED_BY;

   309

	GetNameOfOwner(owner, 0);

   310

	return false;

   311

}

   312

   313

bool CheckTileOwnership(TileIndex tile)

   314

{

   315

	Owner owner = GetTileOwner(tile);

   316

   317

	assert(owner < OWNER_END);

   318

   319

	if (owner == _current_player) return true;

   320

	_error_message = STR_013B_OWNED_BY;

   321

   322

	// no need to get the name of the owner unless we're the local player (saves some time)

   323

	if (IsLocalPlayer()) GetNameOfOwner(owner, tile);

   324

	return false;

   325

}

   326

   327

static void GenerateCompanyName(Player *p)

   328

{

   329

	TileIndex tile;

   330

	Town *t;

   331

	StringID str;

   332

	Player *pp;

   333

	uint32 strp;

   334

	char buffer[100];

   335

   336

	if (p->name_1 != STR_SV_UNNAMED) return;

   337

   338

	tile = p->last_build_coordinate;

   339

	if (tile == 0) return;

   340

   341

	t = ClosestTownFromTile(tile, (uint)-1);

   342

   343

	if (IS_INT_INSIDE(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST+1)) {

   344

		str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;

   345

		strp = t->townnameparts;

   346

   347

verify_name:;

   348

		// No player must have this name already

   349

		FOR_ALL_PLAYERS(pp) {

   350

			if (pp->name_1 == str && pp->name_2 == strp) goto bad_town_name;

   351

		}

   352

   353

		GetString(buffer, str, lastof(buffer));

   354

		if (strlen(buffer) >= 32 || GetStringBoundingBox(buffer).width >= 150)

   355

			goto bad_town_name;

   356

   357

set_name:;

   358

		p->name_1 = str;

   359

		p->name_2 = strp;

   360

   361

		MarkWholeScreenDirty();

   362

   363

		if (!IsHumanPlayer(p->index)) {

   364

			SetDParam(0, t->index);

   365

			AddNewsItem((StringID)(p->index | NB_BNEWCOMPANY), NEWS_FLAGS(NM_CALLBACK, NF_TILE, NT_COMPANY_INFO, DNC_BANKRUPCY), p->last_build_coordinate, 0);

   366

		}

   367

		return;

   368

	}

   369

bad_town_name:;

   370

   371

	if (p->president_name_1 == SPECSTR_PRESIDENT_NAME) {

   372

		str = SPECSTR_ANDCO_NAME;

   373

		strp = p->president_name_2;

   374

		goto set_name;

   375

	} else {

   376

		str = SPECSTR_ANDCO_NAME;

   377

		strp = Random();

   378

		goto verify_name;

   379

	}

   380

}

   381

   382

#define COLOR_SWAP(i,j) do { byte t=colors[i];colors[i]=colors[j];colors[j]=t; } while(0)

   383

   384

static const byte _color_sort[16] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};

   385

static const byte _color_similar_1[16] = {8, 6, 255, 12,  255, 0, 1, 1, 0, 13,  11,  10, 3,   9,  15, 14};

   386

static const byte _color_similar_2[16] = {5, 7, 255, 255, 255, 8, 7, 6, 5, 12, 255, 255, 9, 255, 255, 255};

   387

   388

static byte GeneratePlayerColor(void)

   389

{

   390

	byte colors[16], pcolor, t2;

   391

	int i,j,n;

   392

	uint32 r;

   393

	Player *p;

   394

   395

	// Initialize array

   396

	for (i = 0; i != 16; i++) colors[i] = i;

   397

   398

	// And randomize it

   399

	n = 100;

   400

	do {

   401

		r = Random();

   402

		COLOR_SWAP(GB(r, 0, 4), GB(r, 4, 4));

   403

	} while (--n);

   404

   405

	// Bubble sort it according to the values in table 1

   406

	i = 16;

   407

	do {

   408

		for (j = 0; j != 15; j++) {

   409

			if (_color_sort[colors[j]] < _color_sort[colors[j + 1]]) {

   410

				COLOR_SWAP(j, j + 1);

   411

			}

   412

		}

   413

	} while (--i);

   414

   415

	// Move the colors that look similar to each player's color to the side

   416

	FOR_ALL_PLAYERS(p) if (p->is_active) {

   417

		pcolor = p->player_color;

   418

		for (i=0; i!=16; i++) if (colors[i] == pcolor) {

   419

			colors[i] = 0xFF;

   420

   421

			t2 = _color_similar_1[pcolor];

   422

			if (t2 == 0xFF) break;

   423

			for (i=0; i!=15; i++) {

   424

				if (colors[i] == t2) {

   425

					do COLOR_SWAP(i,i+1); while (++i != 15);

   426

					break;

   427

				}

   428

			}

   429

   430

			t2 = _color_similar_2[pcolor];

   431

			if (t2 == 0xFF) break;

   432

			for (i = 0; i != 15; i++) {

   433

				if (colors[i] == t2) {

   434

					do COLOR_SWAP(i, i + 1); while (++i != 15);

   435

					break;

   436

				}

   437

			}

   438

			break;

   439

		}

   440

	}

   441

   442

	// Return the first available color

   443

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

   444

		if (colors[i] != 0xFF) return colors[i];

   445

	}

   446

}

   447

   448

static void GeneratePresidentName(Player *p)

   449

{

   450

	Player *pp;

   451

	char buffer[100], buffer2[40];

   452

   453

	for (;;) {

   454

restart:;

   455

   456

		p->president_name_2 = Random();

   457

		p->president_name_1 = SPECSTR_PRESIDENT_NAME;

   458

   459

		SetDParam(0, p->president_name_2);

   460

		GetString(buffer, p->president_name_1, lastof(buffer));

   461

		if (strlen(buffer) >= 32 || GetStringBoundingBox(buffer).width >= 94)

   462

			continue;

   463

   464

		FOR_ALL_PLAYERS(pp) {

   465

			if (pp->is_active && p != pp) {

   466

				SetDParam(0, pp->president_name_2);

   467

				GetString(buffer2, pp->president_name_1, lastof(buffer2));

   468

				if (strcmp(buffer2, buffer) == 0)

   469

					goto restart;

   470

			}

   471

		}

   472

		return;

   473

	}

   474

}

   475

   476

static Player *AllocatePlayer(void)

   477

{

   478

	Player *p;

   479

	// Find a free slot

   480

	FOR_ALL_PLAYERS(p) {

   481

		if (!p->is_active) {

   482

			PlayerID i = p->index;

   483

			memset(p, 0, sizeof(Player));

   484

			p->index = i;

   485

			return p;

   486

		}

   487

	}

   488

	return NULL;

   489

}

   490

   491

void ResetPlayerLivery(Player *p)

   492

{

   493

	for (LiveryScheme scheme = LS_BEGIN; scheme < LS_END; scheme++) {

   494

		p->livery[scheme].in_use  = false;

   495

		p->livery[scheme].colour1 = p->player_color;

   496

		p->livery[scheme].colour2 = p->player_color;

   497

	}

   498

}