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.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(GENERAL_SPRITE_COLOR(color) + SPRITE_PALETTE(SPR_GRADIENT), x, y);

    84

    85

	/* draw the cheeks */

    86

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

    94

		} else {

    95

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

    96

		}

    97

	}

    98

	/* draw the eyes */

    99

	{

   100

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

   101

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

   102

		uint32 high = 0x314 << PALETTE_SPRITE_START;

   103

   104

		if (val2 >= 6) {

   105

			high = 0x30F << PALETTE_SPRITE_START;

   106

			if (val2 != 6)

   107

				high = 0x30D << PALETTE_SPRITE_START;

   108

		}

   109

   110

		if (!(flag & 2)) {

   111

			if (!(flag & 1)) {

   112

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

   113

			} else {

   114

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

   115

			}

   116

		} else {

   117

			if (!(flag & 1)) {

   118

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

   119

			} else {

   120

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

   121

			}

   122

		}

   123

	}

   124

   125

	/* draw the mouth */

   126

	{

   127

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

   128

		uint val2;

   129

   130

		if (!(flag&1)) {

   131

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

   132

   133

			if (val2 < 3) {

   134

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

   135

				/* skip the rest */

   136

				goto skip_mouth;

   137

			}

   138

   139

			val2 -= 3;

   140

			if (flag & 2) {

   141

				if (val2 > 8) val2 = 0;

   142

				val2 += 0x3A5 - 0x35B;

   143

			}

   144

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

   145

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

   146

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

   147

		} else {

   148

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

   149

		}

   150

   151

		val >>= 3;

   152

   153

		if (!(flag&2)) {

   154

			if (!(flag&1)) {

   155

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

   156

			} else {

   157

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

   158

			}

   159

		} else {

   160

			if (!(flag&1)) {

   161

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

   162

			} else {

   163

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

   164

			}

   165

		}

   166

   167

		skip_mouth:;

   168

	}

   169

   170

   171

	/* draw the hair */

   172

	{

   173

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

   174

		if (flag & 2) {

   175

			if (flag & 1) {

   176

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

   177

			} else {

   178

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

   179

			}

   180

		} else {

   181

			if (flag & 1) {

   182

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

   183

			} else {

   184

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

   185

			}

   186

		}

   187

	}

   188

   189

	/* draw the tie */

   190

	{

   191

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

   192

   193

		if (!(flag&1)) {

   194

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

   195

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

   196

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

   197

		} else {

   198

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

   199

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

   200

   201

			val >>= 4;

   202

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

   203

		}

   204

	}

   205

   206

	/* draw the glasses */

   207

	{

   208

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

   209

   210

		if (flag & 2) {

   211

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

   212

		} else {

   213

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

   214

		}

   215

	}

   216

}

   217

   218

void InvalidatePlayerWindows(const Player *p)

   219

{

   220

	PlayerID pid = p->index;

   221

   222

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

   223

	InvalidateWindow(WC_FINANCES, pid);

   224

}

   225

   226

bool CheckPlayerHasMoney(int32 cost)

   227

{

   228

	if (cost > 0) {

   229

		PlayerID pid = _current_player;

   230

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

   231

			SetDParam(0, cost);

   232

			_error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES;

   233

			return false;

   234

		}

   235

	}

   236

	return true;

   237

}

   238

   239

static void SubtractMoneyFromAnyPlayer(Player *p, int32 cost)

   240

{

   241

	p->money64 -= cost;

   242

	UpdatePlayerMoney32(p);

   243

   244

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

   245

   246

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

   247

		p->cur_economy.income -= cost;

   248

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

   249

		p->cur_economy.expenses -= cost;

   250

	}

   251

   252

	InvalidatePlayerWindows(p);

   253

}

   254

   255

void SubtractMoneyFromPlayer(int32 cost)

   256

{

   257

	PlayerID pid = _current_player;

   258

   259

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

   260

}

   261

   262

void SubtractMoneyFromPlayerFract(PlayerID player, int32 cost)

   263

{

   264

	Player *p = GetPlayer(player);

   265

	byte m = p->player_money_fraction;

   266

   267

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

   268

	cost >>= 8;

   269

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

   270

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

   271

}

   272

   273

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

   274

void UpdatePlayerMoney32(Player *p)

   275

{

   276

	if (p->money64 < -2000000000) {

   277

		p->player_money = -2000000000;

   278

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

   279

		p->player_money = 2000000000;

   280

	} else {

   281

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

   282

	}

   283

}

   284

   285

void GetNameOfOwner(Owner owner, TileIndex tile)

   286

{

   287

	SetDParam(2, owner);

   288

   289

	if (owner != OWNER_TOWN) {

   290

		if (!IsValidPlayer(owner)) {

   291

			SetDParam(0, STR_0150_SOMEONE);

   292

		} else {

   293

			const Player* p = GetPlayer(owner);

   294

   295

			SetDParam(0, p->name_1);

   296

			SetDParam(1, p->name_2);

   297

		}

   298

	} else {

   299

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

   300

   301

		SetDParam(0, STR_TOWN);

   302

		SetDParam(1, t->index);

   303

	}

   304

}

   305

   306

   307

bool CheckOwnership(PlayerID owner)

   308

{

   309

	assert(owner < OWNER_END);

   310

   311

	if (owner == _current_player) return true;

   312

	_error_message = STR_013B_OWNED_BY;

   313

	GetNameOfOwner(owner, 0);

   314

	return false;

   315

}

   316

   317

bool CheckTileOwnership(TileIndex tile)

   318

{

   319

	Owner owner = GetTileOwner(tile);

   320

   321

	assert(owner < OWNER_END);

   322

   323

	if (owner == _current_player) return true;

   324

	_error_message = STR_013B_OWNED_BY;

   325

   326

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

   327

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

   328

	return false;

   329

}

   330

   331

static void GenerateCompanyName(Player *p)

   332

{

   333

	TileIndex tile;

   334

	Town *t;

   335

	StringID str;

   336

	Player *pp;

   337

	uint32 strp;

   338

	char buffer[100];

   339

   340

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

   341

   342

	tile = p->last_build_coordinate;

   343

	if (tile == 0) return;

   344

   345

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

   346

   347

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

   348

		str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;

   349

		strp = t->townnameparts;

   350

   351

verify_name:;

   352

		// No player must have this name already

   353

		FOR_ALL_PLAYERS(pp) {

   354

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

   355

		}

   356

   357

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

   358

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

   359

			goto bad_town_name;

   360

   361

set_name:;

   362

		p->name_1 = str;

   363

		p->name_2 = strp;

   364

   365

		MarkWholeScreenDirty();

   366

   367

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

   368

			SetDParam(0, t->index);

   369

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

   370

		}

   371

		return;

   372

	}

   373

bad_town_name:;

   374

   375

	if (p->president_name_1 == SPECSTR_PRESIDENT_NAME) {

   376

		str = SPECSTR_ANDCO_NAME;

   377

		strp = p->president_name_2;

   378

		goto set_name;

   379

	} else {

   380

		str = SPECSTR_ANDCO_NAME;

   381

		strp = Random();

   382

		goto verify_name;

   383

	}

   384

}

   385

   386

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

   387

   388

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

   389

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

   390

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

   391

   392

static byte GeneratePlayerColor(void)

   393

{

   394

	byte colors[16], pcolor, t2;

   395

	int i,j,n;

   396

	uint32 r;

   397

	Player *p;

   398

   399

	// Initialize array

   400

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

   401

   402

	// And randomize it

   403

	n = 100;

   404

	do {

   405

		r = Random();

   406

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

   407

	} while (--n);

   408

   409

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

   410

	i = 16;

   411

	do {

   412

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

   413

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

   414

				COLOR_SWAP(j, j + 1);

   415

			}

   416

		}

   417

	} while (--i);

   418

   419

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

   420

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

   421

		pcolor = p->player_color;

   422

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

   423

			colors[i] = 0xFF;

   424

   425

			t2 = _color_similar_1[pcolor];

   426

			if (t2 == 0xFF) break;

   427

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

   428

				if (colors[i] == t2) {

   429

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

   430

					break;

   431

				}

   432

			}

   433

   434

			t2 = _color_similar_2[pcolor];

   435

			if (t2 == 0xFF) break;

   436

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

   437

				if (colors[i] == t2) {

   438

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

   439

					break;

   440

				}

   441

			}

   442

			break;

   443

		}

   444

	}

   445

   446

	// Return the first available color

   447

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

   448

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

   449

	}

   450

}

   451

   452

static void GeneratePresidentName(Player *p)

   453

{

   454

	Player *pp;

   455

	char buffer[100], buffer2[40];

   456

   457

	for (;;) {

   458

restart:;

   459

   460

		p->president_name_2 = Random();

   461

		p->president_name_1 = SPECSTR_PRESIDENT_NAME;

   462

   463

		SetDParam(0, p->president_name_2);

   464

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

   465

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

   466

			continue;

   467

   468

		FOR_ALL_PLAYERS(pp) {

   469

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

   470

				SetDParam(0, pp->president_name_2);

   471

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

   472

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

   473

					goto restart;

   474

			}

   475

		}

   476

		return;

   477

	}

   478

}

   479

   480

static Player *AllocatePlayer(void)

   481

{

   482

	Player *p;

   483

	// Find a free slot

   484

	FOR_ALL_PLAYERS(p) {

   485

		if (!p->is_active) {

   486

			int i = p->index;

   487

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

   488

			p->index = i;

   489

			return p;

   490

		}

   491

	}

   492

	return NULL;

   493

}

   494

   495

void ResetPlayerLivery(Player *p)

   496

{

   497

	LiveryScheme scheme;

   498

   499

	for (scheme = 0; scheme < LS_END; scheme++) {

   500

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

   501

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

   502

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

   503

	}

   504

}