1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "table/strings.h"

     4

#include "player.h"

     5

#include "town.h"

     6

#include "vehicle.h"

     7

#include "station.h"

     8

#include "gfx.h"

     9

#include "news.h"

    10

#include "saveload.h"

    11

#include "command.h"

    12

#include "ai.h"

    13

#include "sound.h"

    14

    15

extern void StartupEconomy();

    16

    17

static const SpriteID cheeks_table[4] = {

    18

	0x325, 0x326,

    19

	0x390, 0x3B0,

    20

};

    21

    22

static const SpriteID mouth_table[3] = {

    23

	0x34C, 0x34D, 0x34F

    24

};

    25

    26

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

    27

{

    28

	byte flag = 0;

    29

    30

	if ( (int32)face < 0)

    31

		flag |= 1;

    32

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

    33

		flag |= 2;

    34

    35

	/* draw the gradient */

    36

	DrawSprite( (color<<16) + 0x0307836A, x, y);

    37

    38

	/* draw the cheeks */

    39

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

    40

    41

	/* draw the chin */

    42

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

    43

	{

    44

		uint val = (face >> 4) & 3;

    45

		if (!(flag & 2)) {

    46

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

    47

		} else {

    48

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

    49

		}

    50

	}

    51

	/* draw the eyes */

    52

	{

    53

		uint val1 = (face >> 6)&15;

    54

		uint val2 = (face >> 20)&7;

    55

		uint32 high = 0x314<<16;

    56

    57

		if (val2 >= 6) {

    58

			high = 0x30F<<16;

    59

			if (val2 != 6)

    60

				high = 0x30D<<16;

    61

		}

    62

    63

		if (!(flag & 2)) {

    64

			if (!(flag & 1)) {

    65

				DrawSprite(high+((val1 * 12 >> 4) + 0x832B), x, y);

    66

			} else {

    67

				DrawSprite(high+(val1 + 0x8337), x, y);

    68

			}

    69

		} else {

    70

			if (!(flag & 1)) {

    71

				DrawSprite(high+((val1 * 11 >> 4) + 0x839A), x, y);

    72

			} else {

    73

				DrawSprite(high+(val1 + 0x83B8), x, y);

    74

			}

    75

		}

    76

	}

    77

    78

	/* draw the mouth */

    79

	{

    80

		uint val = (face >> 10) & 63;

    81

		uint val2;

    82

    83

		if (!(flag&1)) {

    84

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

    85

    86

			if (val2 < 3) {

    87

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

    88

				/* skip the rest */

    89

				goto skip_mouth;

    90

			}

    91

    92

			val2 -= 3;

    93

			if (flag & 2) {

    94

				if (val2 > 8) val2 = 0;

    95

				val2 += 0x3A5 - 0x35B;

    96

			}

    97

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

    98

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

    99

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

   100

		} else {

   101

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

   102

		}

   103

   104

		val >>= 3;

   105

   106

		if (!(flag&2)) {

   107

			if (!(flag&1)) {

   108

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

   109

			} else {

   110

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

   111

			}

   112

		} else {

   113

			if (!(flag&1)) {

   114

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

   115

			} else {

   116

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

   117

			}

   118

		}

   119

   120

		skip_mouth:;

   121

	}

   122

   123

   124

	/* draw the hair */

   125

	{

   126

		uint val = (face >> 16) & 15;

   127

		if (!(flag&2)) {

   128

			if (!(flag&1)) {

   129

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

   130

			} else {

   131

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

   132

			}

   133

		} else {

   134

			if (!(flag&1)) {

   135

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

   136

			} else {

   137

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

   138

			}

   139

		}

   140

	}

   141

   142

	/* draw the tie */

   143

	{

   144

		uint val = (face >> 20) & 0xFF;

   145

   146

		if (!(flag&1)) {

   147

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

   148

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

   149

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

   150

		} else {

   151

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

   152

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

   153

   154

			val >>= 4;

   155

			if (val < 3) {

   156

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

   157

			}

   158

		}

   159

	}

   160

   161

	/* draw the glasses */

   162

	{

   163

		uint val = (face >> 28) & 7;

   164

   165

		if (!(flag&2)) {

   166

			if (val<=1) {

   167

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

   168

			}

   169

		} else {

   170

			if (val<=1) {

   171

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

   172

			}

   173

		}

   174

	}

   175

}

   176

   177

void InvalidatePlayerWindows(Player *p)

   178

{

   179

	uint pid = p->index;

   180

	if ( (byte)pid == _local_player)

   181

		InvalidateWindow(WC_STATUS_BAR, 0);

   182

   183

	InvalidateWindow(WC_FINANCES, pid);

   184

}

   185

   186

bool CheckPlayerHasMoney(int32 cost)

   187

{

   188

	if (cost > 0) {

   189

		uint pid = _current_player;

   190

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

   191

			SET_DPARAM32(0, cost);

   192

			_error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES;

   193

			return false;

   194

		}

   195

	}

   196

	return true;

   197

}

   198

   199

static void SubtractMoneyFromAnyPlayer(Player *p, int32 cost)

   200

{

   201

	p->money64 -= cost;

   202

	UpdatePlayerMoney32(p);

   203

   204

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

   205

   206

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

   207

		p->cur_economy.income -= cost;

   208

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

   209

		p->cur_economy.expenses -= cost;

   210

   211

	InvalidatePlayerWindows(p);

   212

}

   213

   214

void SubtractMoneyFromPlayer(int32 cost)

   215

{

   216

	uint pid = _current_player;

   217

	if (pid < MAX_PLAYERS)

   218

		SubtractMoneyFromAnyPlayer(DEREF_PLAYER(pid), cost);

   219

}

   220

   221

void SubtractMoneyFromPlayerFract(byte player, int32 cost)

   222

{

   223

	Player *p = DEREF_PLAYER(player);

   224

	byte m = p->player_money_fraction;

   225

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

   226

	cost >>= 8;

   227

	if (p->player_money_fraction > m)

   228

		cost++;

   229

	if (cost != 0)

   230

		SubtractMoneyFromAnyPlayer(p, cost);

   231

}

   232

   233

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

   234

void UpdatePlayerMoney32(Player *p)

   235

{

   236

	if (p->money64 < -2000000000)

   237

		p->player_money = -2000000000;

   238

	else if (p->money64 > 2000000000)

   239

		p->player_money = 2000000000;

   240

	else

   241

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

   242

}

   243

   244

void GetNameOfOwner(byte owner, uint tile)

   245

{

   246

	SET_DPARAM8(2, owner);

   247

   248

	if (owner != OWNER_TOWN) {

   249

		if (owner >= 8)

   250

			SET_DPARAM16(0, STR_0150_SOMEONE);

   251

		else {

   252

			Player *p = DEREF_PLAYER(owner);

   253

			SET_DPARAM16(0, p->name_1);

   254

			SET_DPARAM32(1, p->name_2);

   255

		}

   256

	} else {

   257

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

   258

		SET_DPARAM16(0, t->townnametype);

   259

		SET_DPARAM32(1, t->townnameparts);

   260

	}

   261

}

   262

   263

   264

bool CheckOwnership(byte owner)

   265

{

   266

	assert(owner <= OWNER_WATER);

   267

   268

	if (owner == _current_player)

   269

		return true;

   270

	_error_message = STR_013B_OWNED_BY;

   271

	GetNameOfOwner(owner, 0);

   272

	return false;

   273

}

   274

   275

bool CheckTileOwnership(uint tile)

   276

{

   277

	byte owner = _map_owner[tile];

   278

	assert(owner <= OWNER_WATER);

   279

	if (owner == _current_player)

   280

		return true;

   281

	_error_message = STR_013B_OWNED_BY;

   282

   283

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

   284

	if (_current_player == _local_player)

   285

		GetNameOfOwner(owner, tile);

   286

	return false;

   287

}

   288

   289

static void GenerateCompanyName(Player *p)

   290

{

   291

	uint tile;

   292

	Town *t;

   293

	StringID str;

   294

	Player *pp;

   295

	uint32 strp;

   296

	char buffer[100];

   297

   298

	if (p->name_1 != STR_SV_UNNAMED)

   299

		return;

   300

   301

	tile = p->last_build_coordinate;

   302

	if (tile == 0)

   303

		return;

   304

   305

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

   306

   307

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

   308

		str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;

   309

		strp = t->townnameparts;

   310

   311

verify_name:;

   312

		// No player must have this name already

   313

		FOR_ALL_PLAYERS(pp) {

   314

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

   315

				goto bad_town_name;

   316

		}

   317

   318

		GetString(buffer, str);

   319

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

   320

			goto bad_town_name;

   321

   322

set_name:;

   323

		p->name_1 = str;

   324

		p->name_2 = strp;

   325

   326

		MarkWholeScreenDirty();

   327

   328

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

   329

			SET_DPARAM16(0, t->index);

   330

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

   331

		}

   332

		return;

   333

	}

   334

bad_town_name:;

   335

   336

	if (p->president_name_1 == SPECSTR_PRESIDENT_NAME) {

   337

		str = SPECSTR_ANDCO_NAME;

   338

		strp = p->president_name_2;

   339

		goto set_name;

   340

	} else {

   341

		str = SPECSTR_ANDCO_NAME;

   342

		strp = Random();

   343

		goto verify_name;

   344

	}

   345

}

   346

   347

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

   348

   349

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

   350

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

   351

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

   352

   353

static byte GeneratePlayerColor()

   354

{

   355

	byte colors[16], pcolor, t2;

   356

	int i,j,n;

   357

	uint32 r;

   358

	Player *p;

   359

   360

	// Initialize array

   361

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

   362

		colors[i] = i;

   363

   364

	// And randomize it

   365

	n = 100;

   366

	do {

   367

		r = Random();

   368

		COLOR_SWAP(r & 0xF, (r >> 4) & 0xF);

   369

	} while (--n);

   370

   371

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

   372

	i = 16;

   373

	do {

   374

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

   375

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

   376

				COLOR_SWAP(j,j+1);

   377

			}

   378

		}

   379

	} while (--i);

   380

   381

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

   382

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

   383

		pcolor = p->player_color;

   384

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

   385

			colors[i] = 0xFF;

   386

   387

			t2 = _color_similar_1[pcolor];

   388

			if (t2 == 0xFF) break;

   389

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

   390

				if (colors[i] == t2) {

   391

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

   392

					break;

   393

				}

   394

			}

   395

   396

			t2 = _color_similar_2[pcolor];

   397

			if (t2 == 0xFF) break;

   398

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

   399

				if (colors[i] == t2) {

   400

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

   401

					break;

   402

				}

   403

			}

   404

			break;

   405

		}

   406

	}

   407

   408

	// Return the first available color

   409

	i = 0;

   410

	for(;;) {

   411

		if (colors[i] != 0xFF)

   412

			return colors[i];

   413

		i++;

   414

	}

   415

}

   416

   417

static void GeneratePresidentName(Player *p)

   418

{

   419

	Player *pp;

   420

	char buffer[100], buffer2[40];

   421

   422

	for(;;) {

   423

restart:;

   424

   425

		p->president_name_2 = Random();

   426

		p->president_name_1 = SPECSTR_PRESIDENT_NAME;

   427

   428

		SET_DPARAM32(0, p->president_name_2);

   429

		GetString(buffer, p->president_name_1);

   430

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

   431

			continue;

   432

   433

		FOR_ALL_PLAYERS(pp) {

   434

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

   435

				SET_DPARAM32(0, pp->president_name_2);

   436

				GetString(buffer2, pp->president_name_1);

   437

				if (str_eq(buffer2, buffer))

   438

					goto restart;

   439

			}

   440

		}

   441

		return;

   442

	}

   443

}

   444

   445

extern int GetPlayerMaxRailtype(int p);

   446

   447

static Player *AllocatePlayer()

   448

{

   449

	Player *p;

   450

	// Find a free slot

   451

	FOR_ALL_PLAYERS(p) {

   452

		if (!p->is_active) {

   453

			int i = p->index;

   454

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

   455

			p->index = i;

   456

			return p;

   457

		}

   458

	}

   459

	return NULL;

   460

}

   461

   462

Player *DoStartupNewPlayer(bool is_ai)

   463

{

   464

	Player *p;

   465

	int index;

   466

   467

	p = AllocatePlayer();

   468

	if (p == NULL) return NULL;

   469

   470

	index = p->index;

   471

   472

	// Make a color

   473

	p->player_color = GeneratePlayerColor();

   474

	_player_colors[index] = p->player_color;

   475

	p->name_1 = STR_SV_UNNAMED;

   476

	p->is_active = true;

   477

   478

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

   479

   480

	p->is_ai = is_ai;

   481

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

   482

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

   483

   484

	p->max_railtype = GetPlayerMaxRailtype(index);

   485

	p->inaugurated_year = _cur_year;

   486

	p->face = Random();

   487

   488

	GeneratePresidentName(p);

   489

   490

	InvalidateWindow(WC_GRAPH_LEGEND, 0);

   491

	InvalidateWindow(WC_TOOLBAR_MENU, 0);

   492

   493

	return p;

   494

}

   495

   496

void StartupPlayers()

   497

{

   498

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

   499

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

   500

}

   501

   502

static void MaybeStartNewPlayer()

   503

{

   504

	uint n;

   505

	Player *p;

   506

   507

	// count number of competitors

   508

	n = 0;

   509

	for(p=_players; p!=endof(_players); p++)

   510

		if (p->is_active && p->is_ai)

   511

			n++;

   512

   513

	// when there's a lot of computers in game, the probability that a new one starts is lower

   514

	if (n < (uint)_opt.diff.max_no_competitors && n < RandomRange(_opt.diff.max_no_competitors + 2))

   515

		DoStartupNewPlayer(true);

   516

   517

	// The next AI starts like the difficulty setting said, with +2 month max

   518

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

   519

}

   520

   521

void InitializePlayers()

   522

{

   523

	int i;

   524

	memset(_players, 0, sizeof(_players));