1

/* $Id$ */

     2

     3

/** @file players.c

     4

  * @todo Cleanup the messy DrawPlayerFace function asap

     5

  */

     6

#include "stdafx.h"

     7

#include "openttd.h"

     8

#include "engine.h"

     9

#include "functions.h"

    10

#include "string.h"

    11

#include "strings.h"

    12

#include "table/strings.h"

    13

#include "table/sprites.h"

    14

#include "map.h"

    15

#include "player.h"

    16

#include "town.h"

    17

#include "vehicle.h"

    18

#include "station.h"

    19

#include "gfx.h"

    20

#include "news.h"

    21

#include "saveload.h"

    22

#include "command.h"

    23

#include "ai_new.h"

    24

#include "sound.h"

    25

#include "network.h"

    26

#include "variables.h"

    27

    28

PlayerID _current_player;

    29

    30

static const SpriteID cheeks_table[4] = {

    31

	0x325, 0x326,

    32

	0x390, 0x3B0,

    33

};

    34

    35

static const SpriteID mouth_table[3] = {

    36

	0x34C, 0x34D, 0x34F

    37

};

    38

    39

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

    40

{

    41

	byte flag = 0;

    42

    43

	if ( (int32)face < 0)

    44

		flag |= 1;

    45

	if ((((((face >> 7) ^ face) >> 7) ^ face) & 0x8080000) == 0x8000000)

    46

		flag |= 2;

    47

    48

	/* draw the gradient */

    49

	DrawSprite( (color + 0x307) << PALETTE_SPRITE_START | PALETTE_MODIFIER_COLOR | 0x36A, x, y);

    50

    51

	/* draw the cheeks */

    52

	DrawSprite(cheeks_table[flag&3], x, y);

    53

    54

	/* draw the chin */

    55

	/* FIXME: real code uses -2 in zoomlevel 1 */

    56

	{

    57

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

    58

		if (!(flag & 2)) {

    59

			DrawSprite(0x327 + (flag&1?0:val), x, y);

    60

		} else {

    61

			DrawSprite((flag&1?0x3B1:0x391) + (val>>1), x, y);

    62

		}

    63

	}

    64

	/* draw the eyes */

    65

	{

    66

		uint val1 = GB(face,  6, 4);

    67

		uint val2 = GB(face, 20, 3);

    68

		uint32 high = 0x314 << PALETTE_SPRITE_START;

    69

    70

		if (val2 >= 6) {

    71

			high = 0x30F << PALETTE_SPRITE_START;

    72

			if (val2 != 6)

    73

				high = 0x30D << PALETTE_SPRITE_START;

    74

		}

    75

    76

		if (!(flag & 2)) {

    77

			if (!(flag & 1)) {

    78

				DrawSprite(high+((val1 * 12 >> 4) + (0x32B | PALETTE_MODIFIER_COLOR)), x, y);

    79

			} else {

    80

				DrawSprite(high+(val1 + (0x337 | PALETTE_MODIFIER_COLOR)), x, y);

    81

			}

    82

		} else {

    83

			if (!(flag & 1)) {

    84

				DrawSprite(high+((val1 * 11 >> 4) + (0x39A | PALETTE_MODIFIER_COLOR)), x, y);

    85

			} else {

    86

				DrawSprite(high+(val1 + (0x3B8 | PALETTE_MODIFIER_COLOR)), x, y);

    87

			}

    88

		}

    89

	}

    90

    91

	/* draw the mouth */

    92

	{

    93

		uint val = GB(face, 10, 6);

    94

		uint val2;

    95

    96

		if (!(flag&1)) {

    97

			val2 = ((val&0xF) * 15 >> 4);

    98

    99

			if (val2 < 3) {

   100

				DrawSprite((flag&2 ? 0x397 : 0x367) + val2, x, y);

   101

				/* skip the rest */

   102

				goto skip_mouth;

   103

			}

   104

   105

			val2 -= 3;

   106

			if (flag & 2) {

   107

				if (val2 > 8) val2 = 0;

   108

				val2 += 0x3A5 - 0x35B;

   109

			}

   110

			DrawSprite(val2 + 0x35B, x, y);

   111

		} else if (!(flag&2)) {

   112

			DrawSprite(((val&0xF) * 10 >> 4) + 0x351, x, y);

   113

		} else {

   114

			DrawSprite(((val&0xF) * 9 >> 4) + 0x3C8, x, y);

   115

		}

   116

   117

		val >>= 3;

   118

   119

		if (!(flag&2)) {

   120

			if (!(flag&1)) {

   121

				DrawSprite(0x349 + val, x, y);

   122

			} else {

   123

				DrawSprite( mouth_table[(val*3>>3)], x, y);

   124

			}

   125

		} else {

   126

			if (!(flag&1)) {

   127

				DrawSprite(0x393 + (val&3), x, y);

   128

			} else {

   129

				DrawSprite(0x3B3 + (val*5>>3), x, y);

   130

			}

   131

		}

   132

   133

		skip_mouth:;

   134

	}

   135

   136

   137

	/* draw the hair */

   138

	{

   139

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

   140

		if (!(flag&2)) {

   141

			if (!(flag&1)) {

   142

				DrawSprite(0x382 + (val*9>>4), x, y);

   143

			} else {

   144

				DrawSprite(0x38B + (val*5>>4), x, y);

   145

			}

   146

		} else {

   147

			if (!(flag&1)) {

   148

				DrawSprite(0x3D4 + (val*5>>4), x, y);

   149

			} else {

   150

				DrawSprite(0x3D9 + (val*5>>4), x, y);

   151

			}

   152

		}

   153

	}

   154

   155

	/* draw the tie */

   156

	{

   157

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

   158

   159

		if (!(flag&1)) {

   160

			DrawSprite(0x36B + ((val&3)*3>>2), x, y);

   161

			DrawSprite(0x36E + ((val>>2)&3), x, y);

   162

			DrawSprite(0x372 + ((val>>4)*6>>4), x, y);

   163

		} else {

   164

			DrawSprite(0x378 + ((val&3)*3>>2), x, y);

   165

			DrawSprite(0x37B + ((val>>2)&3), x, y);

   166

   167

			val >>= 4;

   168

			if (val < 3) {

   169

				DrawSprite((flag&2 ? 0x3D1 : 0x37F) + val, x, y);

   170

			}

   171

		}

   172

	}

   173

   174

	/* draw the glasses */

   175

	{

   176

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

   177

   178

		if (!(flag&2)) {

   179

			if (val<=1) {

   180

				DrawSprite(0x347 + val, x, y);

   181

			}

   182

		} else {

   183

			if (val<=1) {

   184

				DrawSprite(0x3AE + val, x, y);

   185

			}

   186

		}

   187

	}

   188

}

   189

   190

void InvalidatePlayerWindows(Player *p)

   191

{

   192

	PlayerID pid = p->index;

   193

   194

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

   195

	InvalidateWindow(WC_FINANCES, pid);

   196

}

   197

   198

bool CheckPlayerHasMoney(int32 cost)

   199

{

   200

	if (cost > 0) {

   201

		uint pid = _current_player;

   202

		if (pid < MAX_PLAYERS && cost > GetPlayer(pid)->player_money) {

   203

			SetDParam(0, cost);

   204

			_error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES;

   205

			return false;

   206

		}

   207

	}

   208

	return true;

   209

}

   210

   211

static void SubtractMoneyFromAnyPlayer(Player *p, int32 cost)

   212

{

   213

	p->money64 -= cost;

   214

	UpdatePlayerMoney32(p);

   215

   216

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

   217

   218

	if ( ( 1 << _yearly_expenses_type ) & (1<<7|1<<8|1<<9|1<<10))

   219

		p->cur_economy.income -= cost;

   220

	else if (( 1 << _yearly_expenses_type ) & (1<<2|1<<3|1<<4|1<<5|1<<6|1<<11))

   221

		p->cur_economy.expenses -= cost;

   222

   223

	InvalidatePlayerWindows(p);

   224

}

   225

   226

void SubtractMoneyFromPlayer(int32 cost)

   227

{

   228

	PlayerID pid = _current_player;

   229

	if (pid < MAX_PLAYERS)

   230

		SubtractMoneyFromAnyPlayer(GetPlayer(pid), cost);

   231

}

   232

   233

void SubtractMoneyFromPlayerFract(byte player, int32 cost)

   234

{

   235

	Player *p = GetPlayer(player);

   236

	byte m = p->player_money_fraction;

   237

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

   238

	cost >>= 8;

   239

	if (p->player_money_fraction > m)

   240

		cost++;

   241

	if (cost != 0)

   242

		SubtractMoneyFromAnyPlayer(p, cost);

   243

}

   244

   245

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

   246

void UpdatePlayerMoney32(Player *p)

   247

{

   248

	if (p->money64 < -2000000000)

   249

		p->player_money = -2000000000;

   250

	else if (p->money64 > 2000000000)

   251

		p->player_money = 2000000000;

   252

	else

   253

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

   254

}

   255

   256

void GetNameOfOwner(byte owner, TileIndex tile)

   257

{

   258

	SetDParam(2, owner);

   259

   260

	if (owner != OWNER_TOWN) {

   261

		if (owner >= 8)

   262

			SetDParam(0, STR_0150_SOMEONE);

   263

		else {

   264

			Player *p = GetPlayer(owner);

   265

			SetDParam(0, p->name_1);

   266

			SetDParam(1, p->name_2);

   267

		}

   268

	} else {

   269

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

   270

		SetDParam(0, STR_TOWN);

   271

		SetDParam(1, t->index);

   272

	}

   273

}

   274

   275

   276

bool CheckOwnership(byte owner)

   277

{

   278

	assert(owner <= OWNER_WATER);

   279

   280

	if (owner == _current_player)

   281

		return true;

   282

	_error_message = STR_013B_OWNED_BY;

   283

	GetNameOfOwner(owner, 0);

   284

	return false;

   285

}

   286

   287

bool CheckTileOwnership(TileIndex tile)

   288

{

   289

	byte owner = GetTileOwner(tile);

   290

   291

	assert(owner <= OWNER_WATER);

   292

   293

	if (owner == _current_player)

   294

		return true;

   295

	_error_message = STR_013B_OWNED_BY;

   296

   297

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

   298

	if (_current_player == _local_player)

   299

		GetNameOfOwner(owner, tile);

   300

	return false;

   301

}

   302

   303

static void GenerateCompanyName(Player *p)

   304

{

   305

	TileIndex tile;

   306

	Town *t;

   307

	StringID str;

   308

	Player *pp;

   309

	uint32 strp;

   310

	char buffer[100];

   311

   312

	if (p->name_1 != STR_SV_UNNAMED)

   313

		return;

   314

   315

	tile = p->last_build_coordinate;

   316

	if (tile == 0)

   317

		return;

   318

   319

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

   320

   321

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

   322

		str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;

   323

		strp = t->townnameparts;

   324

   325

verify_name:;

   326

		// No player must have this name already

   327

		FOR_ALL_PLAYERS(pp) {

   328

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

   329

				goto bad_town_name;

   330

		}

   331

   332

		GetString(buffer, str);

   333

		if (strlen(buffer) >= 32 || GetStringWidth(buffer) >= 150)

   334

			goto bad_town_name;

   335

   336

set_name:;

   337

		p->name_1 = str;

   338

		p->name_2 = strp;

   339

   340

		MarkWholeScreenDirty();

   341

   342

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

   343

			SetDParam(0, t->index);

   344

			AddNewsItem(p->index + (4 << 4), NEWS_FLAGS(NM_CALLBACK, NF_TILE, NT_COMPANY_INFO, DNC_BANKRUPCY), p->last_build_coordinate, 0);

   345

		}

   346

		return;

   347

	}

   348

bad_town_name:;

   349

   350

	if (p->president_name_1 == SPECSTR_PRESIDENT_NAME) {

   351

		str = SPECSTR_ANDCO_NAME;

   352

		strp = p->president_name_2;

   353

		goto set_name;

   354

	} else {

   355

		str = SPECSTR_ANDCO_NAME;

   356

		strp = Random();

   357

		goto verify_name;

   358

	}

   359

}

   360

   361

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

   362

   363

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

   364

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

   365

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

   366

   367

static byte GeneratePlayerColor(void)

   368

{

   369

	byte colors[16], pcolor, t2;

   370

	int i,j,n;

   371

	uint32 r;

   372

	Player *p;

   373

   374

	// Initialize array

   375

	for(i=0; i!=16; i++)

   376

		colors[i] = i;

   377

   378

	// And randomize it

   379

	n = 100;

   380

	do {

   381

		r = Random();

   382

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

   383

	} while (--n);

   384

   385

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

   386

	i = 16;

   387

	do {

   388

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

   389

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

   390

				COLOR_SWAP(j,j+1);

   391

			}

   392

		}

   393

	} while (--i);

   394

   395

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

   396

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

   397

		pcolor = p->player_color;

   398

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

   399

			colors[i] = 0xFF;

   400

   401

			t2 = _color_similar_1[pcolor];

   402

			if (t2 == 0xFF) break;

   403

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

   404

				if (colors[i] == t2) {

   405

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

   406

					break;

   407

				}

   408

			}

   409

   410

			t2 = _color_similar_2[pcolor];

   411

			if (t2 == 0xFF) break;

   412

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

   413

				if (colors[i] == t2) {

   414

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

   415

					break;

   416

				}

   417

			}

   418

			break;

   419

		}

   420

	}

   421

   422

	// Return the first available color

   423

	i = 0;

   424

	for(;;) {

   425

		if (colors[i] != 0xFF)

   426

			return colors[i];

   427

		i++;

   428

	}

   429

}

   430

   431

static void GeneratePresidentName(Player *p)

   432

{

   433

	Player *pp;

   434

	char buffer[100], buffer2[40];

   435

   436

	for(;;) {

   437

restart:;

   438

   439

		p->president_name_2 = Random();

   440

		p->president_name_1 = SPECSTR_PRESIDENT_NAME;

   441

   442

		SetDParam(0, p->president_name_2);

   443

		GetString(buffer, p->president_name_1);

   444

		if (strlen(buffer) >= 32 || GetStringWidth(buffer) >= 94)

   445

			continue;

   446

   447

		FOR_ALL_PLAYERS(pp) {

   448

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

   449

				SetDParam(0, pp->president_name_2);

   450

				GetString(buffer2, pp->president_name_1);

   451

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

   452

					goto restart;

   453

			}

   454

		}

   455

		return;

   456

	}

   457

}

   458

   459

static Player *AllocatePlayer(void)

   460

{

   461

	Player *p;

   462

	// Find a free slot

   463

	FOR_ALL_PLAYERS(p) {

   464

		if (!p->is_active) {

   465

			int i = p->index;

   466

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

   467

			p->index = i;

   468

			return p;

   469

		}

   470

	}

   471

	return NULL;

   472

}

   473

   474

Player *DoStartupNewPlayer(bool is_ai)

   475

{

   476

	Player *p;

   477

	int index;

   478

   479

	p = AllocatePlayer();

   480

	if (p == NULL) return NULL;

   481

   482

	index = p->index;

   483

   484

	// Make a color

   485

	p->player_color = GeneratePlayerColor();

   486

	_player_colors[index] = p->player_color;

   487

	p->name_1 = STR_SV_UNNAMED;

   488

	p->is_active = true;

   489

   490

	p->money64 = p->player_money = p->current_loan = 100000;

   491

   492

	p->is_ai = is_ai;

   493

	p->ai.state = 5; /* AIS_WANT_NEW_ROUTE */

   494

	p->share_owners[0] = p->share_owners[1] = p->share_owners[2] = p->share_owners[3] = 0xFF;

   495

   496

	p->avail_railtypes = GetPlayerRailtypes(index);

   497

	p->inaugurated_year = _cur_year;

   498

	p->face = Random();

   499

   500

	GeneratePresidentName(p);

   501

   502

	InvalidateWindow(WC_GRAPH_LEGEND, 0);

   503

	InvalidateWindow(WC_TOOLBAR_MENU, 0);

   504

	InvalidateWindow(WC_CLIENT_LIST, 0);

   505

   506

	return p;

   507

}

   508

   509

void StartupPlayers(void)

   510

{

   511

	// The AI starts like in the setting with +2 month max

   512

	_next_competitor_start = _opt.diff.competitor_start_time * 90 * DAY_TICKS + RandomRange(60 * DAY_TICKS) + 1;

   513

}

   514

   515

static void MaybeStartNewPlayer(void)