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 "sound.h"

    24

#include "network/network.h"

    25

#include "variables.h"

    26

#include "engine.h"

    27

#include "ai/ai.h"

    28

#include "date.h"

    29

#include "window.h"

    30

    31

/**

    32

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

    33

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

    34

 * @param new_player the new player

    35

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

    36

 */

    37

void SetLocalPlayer(PlayerID new_player)

    38

{

    39

	/* Player could also be PLAYER_SPECTATOR or OWNER_NONE */

    40

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

    41

    42

	_local_player = new_player;

    43

    44

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

    45

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

    46

		const Player *p = GetPlayer(new_player);

    47

		_patches.autorenew        = p->engine_renew;

    48

		_patches.autorenew_months = p->engine_renew_months;

    49

		_patches.autorenew_money  = p->engine_renew_money;

    50

		InvalidateWindow(WC_GAME_OPTIONS, 0);

    51

	}

    52

}

    53

    54

    55

uint16 GetDrawStringPlayerColor(PlayerID player)

    56

{

    57

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

    58

	 * of the player */

    59

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

    60

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

    61

}

    62

    63

    64

static const SpriteID cheeks_table[4] = {

    65

	0x325, 0x326,

    66

	0x390, 0x3B0,

    67

};

    68

    69

static const SpriteID mouth_table[3] = {

    70

	0x34C, 0x34D, 0x34F

    71

};

    72

    73

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

    74

{

    75

	byte flag = 0;

    76

    77

	if ( (int32)face < 0)

    78

		flag |= 1;

    79

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

    80

		flag |= 2;

    81

    82

	/* draw the gradient */

    83

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

    84

    85

	/* draw the cheeks */

    86

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

    87

    88

	/* draw the chin */

    89

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

    90

	{

    91

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

    92

		if (!(flag & 2)) {

    93

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

    94

		} else {

    95

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

    96

		}

    97

	}

    98

	/* draw the eyes */

    99

	{

   100

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

   101

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

   102

		SpriteID pal;

   103

   104

		if (val2 < 6) {

   105

			pal = PALETTE_TO_BROWN;

   106

		} else if (val2 == 6) {

   107

			pal = PALETTE_TO_BLUE;

   108

		} else {

   109

			pal = PALETTE_TO_GREEN;

   110

		}

   111

   112

		if (!(flag & 2)) {

   113

			if (!(flag & 1)) {

   114

				DrawSprite(0x32B + (val1 * 12 >> 4), pal, x, y);

   115

			} else {

   116

				DrawSprite(0x337 + val1, pal, x, y);

   117

			}

   118

		} else {

   119

			if (!(flag & 1)) {

   120

				DrawSprite(0x39A + (val1 * 11 >> 4), pal, x, y);

   121

			} else {

   122

				DrawSprite(0x3B8 + val1, pal, x, y);

   123

			}

   124

		}

   125

	}

   126

   127

	/* draw the mouth */

   128

	{

   129

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

   130

		uint val2;

   131

   132

		if (!(flag&1)) {

   133

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

   134

   135

			if (val2 < 3) {

   136

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

   137

				/* skip the rest */

   138

				goto skip_mouth;

   139

			}

   140

   141

			val2 -= 3;

   142

			if (flag & 2) {

   143

				if (val2 > 8) val2 = 0;

   144

				val2 += 0x3A5 - 0x35B;

   145

			}

   146

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

   147

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

   148

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

   149

		} else {

   150

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

   151

		}

   152

   153

		val >>= 3;

   154

   155

		if (!(flag&2)) {

   156

			if (!(flag&1)) {

   157

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

   158

			} else {

   159

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

   160

			}

   161

		} else {

   162

			if (!(flag&1)) {

   163

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

   164

			} else {

   165

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

   166

			}

   167

		}

   168

   169

		skip_mouth:;

   170

	}

   171

   172

   173

	/* draw the hair */

   174

	{

   175

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

   176

		if (flag & 2) {

   177

			if (flag & 1) {

   178

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

   179

			} else {

   180

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

   181

			}

   182

		} else {

   183

			if (flag & 1) {

   184

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

   185

			} else {

   186

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

   187

			}

   188

		}

   189

	}

   190

   191

	/* draw the tie */

   192

	{

   193

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

   194

   195

		if (!(flag&1)) {

   196

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

   197

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

   198

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

   199

		} else {

   200

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

   201

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

   202

   203

			val >>= 4;

   204

			if (val < 3) DrawSprite((flag & 2 ? 0x3D1 : 0x37F) + val, PAL_NONE, x, y);

   205

		}

   206

	}

   207

   208

	/* draw the glasses */

   209

	{

   210

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

   211

   212

		if (flag & 2) {

   213

			if (val <= 1) DrawSprite(0x3AE + val, PAL_NONE, x, y);

   214

		} else {

   215

			if (val <= 1) DrawSprite(0x347 + val, PAL_NONE, x, y);

   216

		}

   217

	}

   218

}

   219

   220

void InvalidatePlayerWindows(const Player *p)

   221

{

   222

	PlayerID pid = p->index;

   223

   224

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

   225

	InvalidateWindow(WC_FINANCES, pid);

   226

}

   227

   228

bool CheckPlayerHasMoney(int32 cost)

   229

{

   230

	if (cost > 0) {

   231

		PlayerID pid = _current_player;

   232

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

   233

			SetDParam(0, cost);

   234

			_error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES;

   235

			return false;

   236

		}

   237

	}

   238

	return true;

   239

}

   240

   241

static void SubtractMoneyFromAnyPlayer(Player *p, int32 cost)

   242

{

   243

	p->money64 -= cost;

   244

	UpdatePlayerMoney32(p);

   245

   246

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

   247

   248

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

   249

		p->cur_economy.income -= cost;

   250

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

   251

		p->cur_economy.expenses -= cost;

   252

	}

   253

   254

	InvalidatePlayerWindows(p);

   255

}

   256

   257

void SubtractMoneyFromPlayer(int32 cost)

   258

{

   259

	PlayerID pid = _current_player;

   260

   261

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

   262

}

   263

   264

void SubtractMoneyFromPlayerFract(PlayerID player, int32 cost)

   265

{

   266

	Player *p = GetPlayer(player);

   267

	byte m = p->player_money_fraction;

   268

   269

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

   270

	cost >>= 8;

   271

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

   272

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

   273

}

   274

   275

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

   276

void UpdatePlayerMoney32(Player *p)

   277

{

   278

	if (p->money64 < -2000000000) {

   279

		p->player_money = -2000000000;

   280

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

   281

		p->player_money = 2000000000;

   282

	} else {

   283

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

   284

	}

   285

}

   286

   287

void GetNameOfOwner(Owner owner, TileIndex tile)

   288

{

   289

	SetDParam(2, owner);

   290

   291

	if (owner != OWNER_TOWN) {

   292

		if (!IsValidPlayer(owner)) {

   293

			SetDParam(0, STR_0150_SOMEONE);

   294

		} else {

   295

			const Player* p = GetPlayer(owner);

   296

   297

			SetDParam(0, p->name_1);

   298

			SetDParam(1, p->name_2);

   299

		}

   300

	} else {

   301

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

   302

   303

		SetDParam(0, STR_TOWN);

   304

		SetDParam(1, t->index);

   305

	}

   306

}

   307

   308

   309

bool CheckOwnership(PlayerID owner)

   310

{

   311

	assert(owner < OWNER_END);

   312

   313

	if (owner == _current_player) return true;

   314

	_error_message = STR_013B_OWNED_BY;

   315

	GetNameOfOwner(owner, 0);

   316

	return false;

   317

}

   318

   319

bool CheckTileOwnership(TileIndex tile)

   320

{

   321

	Owner owner = GetTileOwner(tile);

   322

   323

	assert(owner < OWNER_END);

   324

   325

	if (owner == _current_player) return true;

   326

	_error_message = STR_013B_OWNED_BY;

   327

   328

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

   329

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

   330

	return false;

   331

}

   332

   333

static void GenerateCompanyName(Player *p)

   334

{

   335

	TileIndex tile;

   336

	Town *t;

   337

	StringID str;

   338

	Player *pp;

   339

	uint32 strp;

   340

	char buffer[100];

   341

   342

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

   343

   344

	tile = p->last_build_coordinate;

   345

	if (tile == 0) return;

   346

   347

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

   348

   349

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

   350

		str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;

   351

		strp = t->townnameparts;

   352

   353

verify_name:;

   354

		// No player must have this name already

   355

		FOR_ALL_PLAYERS(pp) {

   356

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

   357

		}

   358

   359

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

   360

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

   361

			goto bad_town_name;

   362

   363

set_name:;

   364

		p->name_1 = str;

   365

		p->name_2 = strp;

   366

   367

		MarkWholeScreenDirty();

   368

   369

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

   370

			SetDParam(0, t->index);

   371

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

   372

		}

   373

		return;

   374

	}

   375

bad_town_name:;

   376

   377

	if (p->president_name_1 == SPECSTR_PRESIDENT_NAME) {

   378

		str = SPECSTR_ANDCO_NAME;

   379

		strp = p->president_name_2;

   380

		goto set_name;

   381

	} else {

   382

		str = SPECSTR_ANDCO_NAME;

   383

		strp = Random();

   384

		goto verify_name;

   385

	}

   386

}

   387

   388

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

   389

   390

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

   391

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

   392

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

   393

   394

static byte GeneratePlayerColor(void)

   395

{

   396

	byte colors[16], pcolor, t2;

   397

	int i,j,n;

   398

	uint32 r;

   399

	Player *p;

   400

   401

	// Initialize array

   402

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

   403

   404

	// And randomize it

   405

	n = 100;

   406

	do {

   407

		r = Random();

   408

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

   409

	} while (--n);

   410

   411

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

   412

	i = 16;

   413

	do {

   414

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

   415

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

   416

				COLOR_SWAP(j, j + 1);

   417

			}

   418

		}

   419

	} while (--i);

   420

   421

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

   422

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

   423

		pcolor = p->player_color;

   424

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

   425

			colors[i] = 0xFF;

   426

   427

			t2 = _color_similar_1[pcolor];

   428

			if (t2 == 0xFF) break;

   429

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

   430

				if (colors[i] == t2) {

   431

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

   432

					break;

   433

				}

   434

			}

   435

   436

			t2 = _color_similar_2[pcolor];

   437

			if (t2 == 0xFF) break;

   438

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

   439

				if (colors[i] == t2) {

   440

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

   441

					break;

   442

				}

   443

			}

   444

			break;

   445

		}

   446

	}

   447

   448

	// Return the first available color

   449

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

   450

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

   451

	}

   452

}

   453

   454

static void GeneratePresidentName(Player *p)

   455

{

   456

	Player *pp;

   457

	char buffer[100], buffer2[40];

   458

   459

	for (;;) {

   460

restart:;

   461

   462

		p->president_name_2 = Random();

   463

		p->president_name_1 = SPECSTR_PRESIDENT_NAME;

   464

   465

		SetDParam(0, p->president_name_2);

   466

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

   467

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

   468

			continue;

   469

   470

		FOR_ALL_PLAYERS(pp) {

   471

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

   472

				SetDParam(0, pp->president_name_2);

   473

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

   474

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

   475

					goto restart;

   476

			}

   477

		}

   478

		return;

   479

	}

   480

}

   481

   482

static Player *AllocatePlayer(void)

   483

{

   484

	Player *p;

   485

	// Find a free slot

   486

	FOR_ALL_PLAYERS(p) {

   487

		if (!p->is_active) {

   488

			PlayerID i = p->index;

   489

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

   490

			p->index = i;

   491

			return p;

   492

		}

   493

	}

   494

	return NULL;

   495

}

   496

   497

void ResetPlayerLivery(Player *p)

   498

{

   499

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

   500

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

   501

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