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

    68

    69

static const SpriteID cheeks_table[4] = {

    70

	0x325, 0x326,

    71

	0x390, 0x3B0,

    72

};

    73

    74

static const SpriteID mouth_table[3] = {

    75

	0x34C, 0x34D, 0x34F

    76

};

    77

    78

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

    79

{

    80

	byte flag = 0;

    81

    82

	if ( (int32)face < 0)

    83

		flag |= 1;

    84

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

    85

		flag |= 2;

    86

    87

	/* draw the gradient */

    88

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

    89

    90

	/* draw the cheeks */

    91

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

    92

    93

	/* draw the chin */

    94

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

    95

	{

    96

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

    97

		if (!(flag & 2)) {

    98

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

    99

		} else {

   100

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

   101

		}

   102

	}

   103

	/* draw the eyes */

   104

	{

   105

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

   106

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

   107

		SpriteID pal;

   108

   109

		if (val2 < 6) {

   110

			pal = PALETTE_TO_BROWN;

   111

		} else if (val2 == 6) {

   112

			pal = PALETTE_TO_BLUE;

   113

		} else {

   114

			pal = PALETTE_TO_GREEN;

   115

		}

   116

   117

		if (!(flag & 2)) {

   118

			if (!(flag & 1)) {

   119

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

   120

			} else {

   121

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

   122

			}

   123

		} else {

   124

			if (!(flag & 1)) {

   125

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

   126

			} else {

   127

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

   128

			}

   129

		}

   130

	}

   131

   132

	/* draw the mouth */

   133

	{

   134

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

   135

		uint val2;

   136

   137

		if (!(flag&1)) {

   138

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

   139

   140

			if (val2 < 3) {

   141

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

   142

				/* skip the rest */

   143

				goto skip_mouth;

   144

			}

   145

   146

			val2 -= 3;

   147

			if (flag & 2) {

   148

				if (val2 > 8) val2 = 0;

   149

				val2 += 0x3A5 - 0x35B;

   150

			}

   151

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

   152

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

   153

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

   154

		} else {

   155

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

   156

		}

   157

   158

		val >>= 3;

   159

   160

		if (!(flag&2)) {

   161

			if (!(flag&1)) {

   162

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

   163

			} else {

   164

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

   165

			}

   166

		} else {

   167

			if (!(flag&1)) {

   168

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

   169

			} else {

   170

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

   171

			}

   172

		}

   173

   174

		skip_mouth:;

   175

	}

   176

   177

   178

	/* draw the hair */

   179

	{

   180

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

   181

		if (flag & 2) {

   182

			if (flag & 1) {

   183

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

   184

			} else {

   185

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

   186

			}

   187

		} else {

   188

			if (flag & 1) {

   189

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

   190

			} else {

   191

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

   192

			}

   193

		}

   194

	}

   195

   196

	/* draw the tie */

   197

	{

   198

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

   199

   200

		if (!(flag&1)) {

   201

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

   202

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

   203

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

   204

		} else {

   205

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

   206

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

   207

   208

			val >>= 4;

   209

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

   210

		}

   211

	}

   212

   213

	/* draw the glasses */

   214

	{

   215

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

   216

   217

		if (flag & 2) {

   218

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

   219

		} else {

   220

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

   221

		}

   222

	}

   223

}

   224

   225

void InvalidatePlayerWindows(const Player *p)

   226

{

   227

	PlayerID pid = p->index;

   228

   229

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

   230

	InvalidateWindow(WC_FINANCES, pid);

   231

}

   232

   233

bool CheckPlayerHasMoney(int32 cost)

   234

{

   235

	if (cost > 0) {

   236

		PlayerID pid = _current_player;

   237

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

   238

			SetDParam(0, cost);

   239

			_error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES;

   240

			return false;

   241

		}

   242

	}

   243

	return true;

   244

}

   245

   246

static void SubtractMoneyFromAnyPlayer(Player *p, int32 cost)

   247

{

   248

	p->money64 -= cost;

   249

	UpdatePlayerMoney32(p);

   250

   251

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

   252

   253

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

   254

		p->cur_economy.income -= cost;

   255

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

   256

		p->cur_economy.expenses -= cost;

   257

	}

   258

   259

	InvalidatePlayerWindows(p);

   260

}

   261

   262

void SubtractMoneyFromPlayer(int32 cost)

   263

{

   264

	PlayerID pid = _current_player;

   265

   266

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

   267

}

   268

   269

void SubtractMoneyFromPlayerFract(PlayerID player, int32 cost)

   270

{

   271

	Player *p = GetPlayer(player);

   272

	byte m = p->player_money_fraction;

   273

   274

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

   275

	cost >>= 8;

   276

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

   277

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

   278

}

   279

   280

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

   281

void UpdatePlayerMoney32(Player *p)

   282

{

   283

	if (p->money64 < -2000000000) {

   284

		p->player_money = -2000000000;

   285

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

   286

		p->player_money = 2000000000;

   287

	} else {

   288

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

   289

	}

   290

}

   291

   292

void GetNameOfOwner(Owner owner, TileIndex tile)

   293

{

   294

	SetDParam(2, owner);

   295

   296

	if (owner != OWNER_TOWN) {

   297

		if (!IsValidPlayer(owner)) {

   298

			SetDParam(0, STR_0150_SOMEONE);

   299

		} else {

   300

			const Player* p = GetPlayer(owner);

   301

   302

			SetDParam(0, p->name_1);

   303

			SetDParam(1, p->name_2);

   304

		}

   305

	} else {

   306

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

   307

   308

		SetDParam(0, STR_TOWN);

   309

		SetDParam(1, t->index);

   310

	}

   311

}

   312

   313

   314

bool CheckOwnership(PlayerID owner)

   315

{

   316

	assert(owner < OWNER_END);

   317

   318

	if (owner == _current_player) return true;

   319

	_error_message = STR_013B_OWNED_BY;

   320

	GetNameOfOwner(owner, 0);

   321

	return false;

   322

}

   323

   324

bool CheckTileOwnership(TileIndex tile)

   325

{

   326

	Owner owner = GetTileOwner(tile);

   327

   328

	assert(owner < OWNER_END);

   329

   330

	if (owner == _current_player) return true;

   331

	_error_message = STR_013B_OWNED_BY;

   332

   333

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

   334

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

   335

	return false;

   336

}

   337

   338

static void GenerateCompanyName(Player *p)

   339

{

   340

	TileIndex tile;

   341

	Town *t;

   342

	StringID str;

   343

	Player *pp;

   344

	uint32 strp;

   345

	char buffer[100];

   346

   347

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

   348

   349

	tile = p->last_build_coordinate;

   350

	if (tile == 0) return;

   351

   352

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

   353

   354

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

   355

		str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;

   356

		strp = t->townnameparts;

   357

   358

verify_name:;

   359

		// No player must have this name already

   360

		FOR_ALL_PLAYERS(pp) {

   361

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

   362

		}

   363

   364

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

   365

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

   366

			goto bad_town_name;

   367

   368

set_name:;

   369

		p->name_1 = str;

   370

		p->name_2 = strp;

   371

   372

		MarkWholeScreenDirty();

   373

   374

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

   375

			SetDParam(0, t->index);

   376

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

   377

		}

   378

		return;

   379

	}

   380

bad_town_name:;

   381

   382

	if (p->president_name_1 == SPECSTR_PRESIDENT_NAME) {

   383

		str = SPECSTR_ANDCO_NAME;

   384

		strp = p->president_name_2;

   385

		goto set_name;

   386

	} else {

   387

		str = SPECSTR_ANDCO_NAME;

   388

		strp = Random();

   389

		goto verify_name;

   390

	}

   391

}

   392

   393

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

   394

   395

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

   396

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

   397

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

   398

   399

static byte GeneratePlayerColor(void)

   400

{

   401

	byte colors[16], pcolor, t2;

   402

	int i,j,n;

   403

	uint32 r;

   404

	Player *p;

   405

   406

	// Initialize array

   407

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

   408

   409

	// And randomize it

   410

	n = 100;

   411

	do {

   412

		r = Random();

   413

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

   414

	} while (--n);

   415

   416

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

   417

	i = 16;

   418

	do {

   419

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

   420

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

   421

				COLOR_SWAP(j, j + 1);

   422

			}

   423

		}

   424

	} while (--i);

   425

   426

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

   427

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

   428

		pcolor = p->player_color;

   429

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

   430

			colors[i] = 0xFF;

   431

   432

			t2 = _color_similar_1[pcolor];

   433

			if (t2 == 0xFF) break;

   434

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

   435

				if (colors[i] == t2) {

   436

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

   437

					break;

   438

				}

   439

			}

   440

   441

			t2 = _color_similar_2[pcolor];

   442

			if (t2 == 0xFF) break;

   443

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

   444

				if (colors[i] == t2) {

   445

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

   446

					break;

   447

				}

   448

			}

   449

			break;

   450

		}

   451

	}

   452

   453

	// Return the first available color

   454

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

   455

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

   456

	}

   457

}

   458

   459

static void GeneratePresidentName(Player *p)

   460

{

   461

	Player *pp;

   462

	char buffer[100], buffer2[40];

   463

   464

	for (;;) {

   465

restart:;

   466

   467

		p->president_name_2 = Random();

   468

		p->president_name_1 = SPECSTR_PRESIDENT_NAME;

   469

   470

		SetDParam(0, p->president_name_2);

   471

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

   472

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

   473

			continue;

   474

   475

		FOR_ALL_PLAYERS(pp) {

   476

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

   477

				SetDParam(0, pp->president_name_2);

   478

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

   479

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

   480

					goto restart;

   481

			}

   482

		}

   483

		return;

   484

	}

   485

}

   486

   487

static Player *AllocatePlayer(void)

   488

{

   489

	Player *p;

   490

	// Find a free slot

   491

	FOR_ALL_PLAYERS(p) {

   492

		if (!p->is_active) {

   493

			PlayerID i = p->index;

   494

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

   495

			p->index = i;

   496

			return p;

   497

		}

   498

	}

   499

	return NULL;

   500

}

   501