1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "table/strings.h"

     4

#include "map.h"

     5

#include "vehicle.h"

     6

#include "viewport.h"

     7

#include "command.h"

     8

#include "pathfind.h"

     9

#include "town.h"

    10

#include "sound.h"

    11

#include "station.h"

    12

#include "sprite.h"

    13

    14

extern uint16 _custom_sprites_base;

    15

    16

void ShowTrainDepotWindow(uint tile);

    17

    18

enum { /* These values are bitmasks for the map5 byte */

    19

	RAIL_TYPE_NORMAL = 0,

    20

	RAIL_TYPE_SIGNALS = 0x40,

    21

	RAIL_TYPE_SPECIAL = 0x80, // If this bit is set, then it's not a regular track.

    22

	RAIL_TYPE_DEPOT = 0xC0,

    23

	RAIL_TYPE_MASK = 0xC0,

    24

    25

	RAIL_BIT_DIAG1 = 1,  // 0

    26

	RAIL_BIT_DIAG2 = 2,  // 1

    27

	RAIL_BIT_UPPER = 4,  // 2

    28

	RAIL_BIT_LOWER = 8,  // 3

    29

	RAIL_BIT_LEFT  = 16, // 4

    30

	RAIL_BIT_RIGHT = 32, // 5

    31

	RAIL_BIT_MASK = 0x3F,

    32

    33

	RAIL_DEPOT_TRACK_MASK = 1,

    34

	RAIL_DEPOT_DIR = 3,

    35

	RAIL_DEPOT_UNUSED_BITS = 0x3C,

    36

    37

	RAIL_TYPE_WAYPOINT = 0xC4,

    38

	RAIL_WAYPOINT_TRACK_MASK = 1,

    39

	RAIL_WAYPOINT_UNUSED_BITS = 0x3E,

    40

};

    41

    42

#define IS_RAIL_DEPOT(x) (((x) & (RAIL_TYPE_DEPOT|RAIL_DEPOT_UNUSED_BITS)) == RAIL_TYPE_DEPOT)

    43

#define IS_RAIL_WAYPOINT(x) (((x) & (RAIL_TYPE_WAYPOINT|RAIL_WAYPOINT_UNUSED_BITS)) == RAIL_TYPE_WAYPOINT)

    44

    45

/* Format of rail map5 byte.

    46

 * 00 abcdef  => Normal rail

    47

 * 01 abcdef  => Rail with signals

    48

 * 10 ??????  => Unused

    49

 * 11 ????dd  => Depot

    50

 *

    51

 * abcdef is a bitmask, which contains ones for all present tracks. Below the

    52

 * value for each track is given.

    53

 */

    54

    55

/*         4

    56

 *     ---------

    57

 *    |\       /|

    58

 *    | \    1/ |

    59

 *    |  \   /  |

    60

 *    |   \ /   |

    61

 *  16|    \    |32

    62

 *    |   / \2  |

    63

 *    |  /   \  |

    64

 *    | /     \ |

    65

 *    |/       \|

    66

 *     ---------

    67

 *         8

    68

 */

    69

    70

    71

// Constants for lower part of Map2 byte.

    72

enum RailMap2Lower4 {

    73

	RAIL_MAP2LO_GROUND_MASK = 0xF,

    74

	RAIL_GROUND_BROWN = 0,

    75

	RAIL_GROUND_GREEN = 1,

    76

	RAIL_GROUND_FENCE_NW = 2,

    77

	RAIL_GROUND_FENCE_SE = 3,

    78

	RAIL_GROUND_FENCE_SENW = 4,

    79

	RAIL_GROUND_FENCE_NE = 5,

    80

	RAIL_GROUND_FENCE_SW = 6,

    81

	RAIL_GROUND_FENCE_NESW = 7,

    82

	RAIL_GROUND_FENCE_VERT1 = 8,

    83

	RAIL_GROUND_FENCE_VERT2 = 9,

    84

	RAIL_GROUND_FENCE_HORIZ1 = 10,

    85

	RAIL_GROUND_FENCE_HORIZ2 = 11,

    86

	RAIL_GROUND_ICE_DESERT = 12,

    87

};

    88

    89

    90

/* MAP2 byte:    abcd???? => Signal On? Same coding as map3lo

    91

 * MAP3LO byte:  abcd???? => Signal Exists?

    92

 *				 a and b are for diagonals, upper and left,

    93

 *				 one for each direction. (ie a == NE->SW, b ==

    94

 *				 SW->NE, or v.v., I don't know. b and c are

    95

 *				 similar for lower and right.

    96

 * MAP2 byte:    ????abcd => Type of ground.

    97

 * MAP3LO byte:  ????abcd => Type of rail.

    98

 * MAP5:         00abcdef => rail

    99

 *               01abcdef => rail w/ signals

   100

 *               10uuuuuu => unused

   101

 *               11uuuudd => rail depot

   102

 */

   103

   104

static bool CheckTrackCombination(byte map5, byte trackbits, byte flags)

   105

{

   106

	_error_message = STR_1001_IMPOSSIBLE_TRACK_COMBINATION;

   107

   108

	if ((map5&RAIL_TYPE_MASK) == RAIL_TYPE_SIGNALS) {

   109

   110

		if (map5 & trackbits) {

   111

			_error_message = STR_1007_ALREADY_BUILT;

   112

			return false;

   113

		}

   114

   115

		map5 |= trackbits;

   116

		return (map5 == (RAIL_TYPE_SIGNALS|RAIL_BIT_UPPER|RAIL_BIT_LOWER) || map5 == (RAIL_TYPE_SIGNALS|RAIL_BIT_LEFT|RAIL_BIT_RIGHT));

   117

   118

	} else if ((map5&RAIL_TYPE_MASK) == RAIL_TYPE_NORMAL) {

   119

		_error_message = STR_1007_ALREADY_BUILT;

   120

		if (map5 & trackbits)

   121

			return false;

   122

   123

		// Computer players are not allowed to intersect pieces of rail.

   124

		if (!(flags&DC_NO_RAIL_OVERLAP))

   125

			return true;

   126

   127

		map5 |= trackbits;

   128

		return (map5 == (RAIL_BIT_UPPER|RAIL_BIT_LOWER) || map5 == (RAIL_BIT_LEFT|RAIL_BIT_RIGHT));

   129

	} else {

   130

		return false;

   131

	}

   132

}

   133

   134

   135

static const byte _valid_tileh_slopes[4][15] = {

   136

   137

// set of normal ones

   138

{

   139

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   140

	RAIL_BIT_RIGHT,

   141

	RAIL_BIT_UPPER,

   142

	RAIL_BIT_DIAG1,

   143

   144

	RAIL_BIT_LEFT,

   145

	0,

   146

	RAIL_BIT_DIAG2,

   147

	RAIL_BIT_LOWER,

   148

   149

	RAIL_BIT_LOWER,

   150

	RAIL_BIT_DIAG2,

   151

	0,

   152

	RAIL_BIT_LEFT,

   153

   154

	RAIL_BIT_DIAG1,

   155

	RAIL_BIT_UPPER,

   156

	RAIL_BIT_RIGHT,

   157

},

   158

   159

// allowed rail for an evenly raised platform

   160

{

   161

	0,

   162

	RAIL_BIT_LEFT,

   163

	RAIL_BIT_LOWER,

   164

	RAIL_BIT_DIAG2 | RAIL_BIT_LOWER | RAIL_BIT_LEFT,

   165

   166

	RAIL_BIT_RIGHT,

   167

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   168

	RAIL_BIT_DIAG1 | RAIL_BIT_LOWER | RAIL_BIT_RIGHT,

   169

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   170

   171

	RAIL_BIT_UPPER,

   172

	RAIL_BIT_DIAG1 | RAIL_BIT_UPPER | RAIL_BIT_LEFT,

   173

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   174

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   175

   176

	RAIL_BIT_DIAG2 | RAIL_BIT_UPPER | RAIL_BIT_RIGHT,

   177

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   178

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   179

},

   180

   181

// allowed rail on coast tile

   182

{

   183

	0,

   184

	RAIL_BIT_LEFT,

   185

	RAIL_BIT_LOWER,

   186

	RAIL_BIT_DIAG2|RAIL_BIT_LEFT|RAIL_BIT_LOWER,

   187

   188

	RAIL_BIT_RIGHT,

   189

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   190

	RAIL_BIT_DIAG1|RAIL_BIT_RIGHT|RAIL_BIT_LOWER,

   191

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   192

   193

	RAIL_BIT_UPPER,

   194

	RAIL_BIT_DIAG1|RAIL_BIT_LEFT|RAIL_BIT_UPPER,

   195

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   196

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   197

   198

	RAIL_BIT_DIAG2|RAIL_BIT_RIGHT|RAIL_BIT_UPPER,

   199

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   200

	RAIL_BIT_DIAG1|RAIL_BIT_DIAG2|RAIL_BIT_UPPER|RAIL_BIT_LOWER|RAIL_BIT_LEFT|RAIL_BIT_RIGHT,

   201

	},

   202

   203

	// valid railway crossings on slopes

   204

	{

   205

		1, 0, 0, // 0, 1, 2

   206

		0, 0, 1, // 3, 4, 5

   207

		0, 1, 0, // 6, 7, 8

   208

		0, 1, 1, // 9, 10, 11

   209

		0, 1, 1, // 12, 13, 14

   210

	}

   211

};

   212

   213

uint GetRailFoundation(uint tileh, uint bits)

   214

{

   215

	int i;

   216

   217

	if ((~_valid_tileh_slopes[0][tileh] & bits) == 0)

   218

		return 0;

   219

   220

	if ((~_valid_tileh_slopes[1][tileh] & bits) == 0)

   221

		return tileh;

   222

   223

	if ( ((i=0, tileh == 1) || (i+=2, tileh == 2) || (i+=2, tileh == 4) || (i+=2, tileh == 8)) && (bits == RAIL_BIT_DIAG1 || (i++, bits == RAIL_BIT_DIAG2)))

   224

		return i + 15;

   225

   226

	return 0;

   227

}

   228

   229

//

   230

static uint32 CheckRailSlope(int tileh, uint rail_bits, uint existing, uint tile)

   231

{

   232

	// never allow building on top of steep tiles

   233

	if (!(tileh & 0x10)) {

   234

		rail_bits |= existing;

   235

   236

		// don't allow building on the lower side of a coast

   237

		if (IS_TILETYPE(tile, MP_WATER) && ~_valid_tileh_slopes[2][tileh] & rail_bits) {

   238

			return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   239

		}

   240

   241

		// no special foundation

   242

		if ((~_valid_tileh_slopes[0][tileh] & rail_bits) == 0)

   243

			return 0;

   244

   245

		if (((~_valid_tileh_slopes[1][tileh] & rail_bits) == 0) || // whole tile is leveled up

   246

			((rail_bits == RAIL_BIT_DIAG1 || rail_bits == RAIL_BIT_DIAG2) && (tileh == 1 || tileh == 2 || tileh == 4 || tileh == 8))) { // partly up

   247

			return existing ? 0 : _price.terraform;

   248

		}

   249

	}

   250

	return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   251

}

   252

   253

/* Build a single track.

   254

 * p1 - railroad type normal/maglev

   255

 * p2 - tile direction

   256

 */

   257

   258

int32 CmdBuildSingleRail(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   259

{

   260

	TileInfo ti;

   261

	int32 ret, cost = 0;

   262

	byte rail_bit = 1 << p2;

   263

	byte rail_type = (byte)(p1 & 0xF);

   264

	uint tile;

   265

	byte existing = 0;

   266

	bool need_clear = false;

   267

   268

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   269

   270

	_error_message = STR_1007_ALREADY_BUILT;

   271

   272

	FindLandscapeHeight(&ti, x, y);

   273

	tile = ti.tile;

   274

   275

	// allow building rail under bridge

   276

	if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile))

   277

		return CMD_ERROR;

   278

   279

	if (ti.type == MP_TUNNELBRIDGE) {

   280

/* BUILD ON BRIDGE CODE */

   281

		if (!EnsureNoVehicleZ(tile, GET_TILEHEIGHT(tile)))

   282

			return CMD_ERROR;

   283

   284

		if ((ti.map5 & 0xF8) == 0xC0) {

   285

			if (ti.tileh & 0x10 || rail_bit != (byte)((ti.map5 & 1) ? 1 : 2)) goto need_clear;

   286

   287

			if (!(flags & DC_EXEC))

   288

				return _price.build_rail;

   289

   290

			_map5[tile] = (ti.map5 & 0xC7) | 0x20;

   291

			goto set_ownership;

   292

		} else if ((ti.map5 & 0xF8) == 0xE0) {

   293

			if ((_map3_lo[tile] & 0xF) != (int)p1) goto need_clear;

   294

			if (rail_bit != (byte)((ti.map5 & 1) ? 1 : 2)) goto need_clear;

   295

			return CMD_ERROR;

   296

		} else

   297

			goto need_clear;

   298

	} else if (ti.type == MP_STREET) {

   299

		byte m5;

   300

/* BUILD ON STREET CODE */

   301

		if (ti.tileh & 0x10) // very steep tile

   302

				return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   303

   304

		if (!_valid_tileh_slopes[3][ti.tileh]) // prevent certain slopes

   305

				return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   306

   307

		if (!(ti.map5 & 0xF0)) {

   308

			if ((ti.map5 & 0x0F) == 0xA) {

   309

				if (rail_bit != 2) goto need_clear;

   310

				m5 = 0x10;

   311

			} else if ((ti.map5 & 0x0F) == 0x5) {

   312

				if (rail_bit != 1) goto need_clear;

   313

				m5 = 0x18;

   314

			} else

   315

				goto need_clear;

   316

   317

			if (!(flags & DC_EXEC))

   318

				return _price.build_rail;

   319

   320

			ModifyTile(tile,

   321

				MP_SETTYPE(MP_STREET) |

   322

				MP_MAP3LO | MP_MAP3HI | MP_MAPOWNER_CURRENT | MP_MAP5,

   323

				_map_owner[tile], /* map3_lo */

   324

				p1, /* map3_hi */

   325

				m5  /* map5 */

   326

			);

   327

			goto fix_signals;

   328

		} else if (!(ti.map5 & 0xE0)) {

   329

			if (rail_bit != (byte)((ti.map5 & 8) ? 1 : 2)) goto need_clear;

   330

			return CMD_ERROR;

   331

		} else

   332

			goto need_clear;

   333

	} else if (ti.type == MP_RAILWAY) {

   334

   335

/* BUILD ON RAILWAY CODE */

   336

		if (_map_owner[tile] != _current_player || (byte)(_map3_lo[tile]&0xF) != rail_type)

   337

			goto need_clear;

   338

		if (!CheckTrackCombination(ti.map5, rail_bit, (byte)flags))

   339

			return CMD_ERROR;

   340

   341

		existing = ti.map5 & 0x3F;

   342

	} else {

   343

   344

/* DEFAULT BUILD ON CODE */

   345

need_clear:;

   346

		/* isnot_railway */

   347

		if (!(flags & DC_EXEC)) {

   348

			ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);

   349

			if (ret == CMD_ERROR) return CMD_ERROR;

   350

			cost += ret;

   351

		}

   352

		need_clear = true;

   353

	}

   354

   355

	ret = CheckRailSlope(ti.tileh, rail_bit, existing, tile);

   356

	if (ret & 0x80000000)

   357

		return ret;

   358

	cost += ret;

   359

   360

	// the AI is not allowed to used foundationed tiles.

   361

	if (ret && (!_patches.build_on_slopes || (!_patches.ainew_active && _is_ai_player)))

   362

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   363

   364

	if (flags & DC_EXEC && need_clear) {

   365

		ret = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);

   366

		if (ret == CMD_ERROR) return CMD_ERROR;

   367

		cost += ret;

   368

	}

   369

   370

	if (flags & DC_EXEC) {

   371

		_map_type_and_height[tile] &= 0xF;

   372

		_map_type_and_height[tile] |= MP_RAILWAY << 4;

   373

		_map5[tile] |= rail_bit;

   374

		_map2[tile] &= ~RAIL_MAP2LO_GROUND_MASK;

   375

   376

		// In case it's a tile without signals, clear the signal bits. Why?

   377

		if ((_map5[tile] & RAIL_TYPE_MASK) != RAIL_TYPE_SIGNALS)

   378

			_map2[tile] &= ~0xF0;

   379

   380

set_ownership:

   381

		_map_owner[tile] = _current_player;

   382

   383

		_map3_lo[tile] &= ~0xF;

   384

		_map3_lo[tile] |= rail_type;

   385

   386

		MarkTileDirtyByTile(tile);

   387

   388

fix_signals:

   389

		SetSignalsOnBothDir(tile, (byte)p2);

   390

	}

   391

   392

	return cost + _price.build_rail;

   393

}

   394

   395

static const byte _signals_table[] = {

   396

	0x40, 0x40, 0x40, 0x10, 0x80, 0x20, 0, 0, // direction 1

   397

	0x80, 0x80, 0x80, 0x20, 0x40, 0x10, 0, 0  // direction 2

   398

};

   399

   400

static const byte _signals_table_other[] = {

   401

	0x80, 0x80, 0x80, 0x20, 0x40, 0x10, 0, 0, // direction 1

   402

	0x40, 0x40, 0x40, 0x10, 0x80, 0x20, 0, 0  // direction 2

   403

};

   404

   405

static const byte _signals_table_both[] = {

   406

	0xC0, 0xC0, 0xC0, 0x30, 0xC0, 0x30, 0, 0,	// both directions combined

   407

	0xC0, 0xC0, 0xC0, 0x30, 0xC0, 0x30, 0, 0

   408

};

   409

   410

   411

/* Remove a single track.

   412

 * p1 - unused

   413

 * p2 - tile direction

   414

 */

   415

   416

int32 CmdRemoveSingleRail(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   417

{

   418

	TileInfo ti;

   419

	byte rail_bit = 1 << p2;

   420

	byte m5;

   421

	uint tile;

   422

   423

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   424

   425

	FindLandscapeHeight(&ti, x, y);

   426

   427

	tile = ti.tile;

   428

   429

	if (!((1<<ti.type) & ((1<<MP_TUNNELBRIDGE)|(1<<MP_STREET)|(1<<MP_RAILWAY))))

   430

		return CMD_ERROR;

   431

   432

	if (_current_player != OWNER_WATER && !CheckTileOwnership(tile))

   433

		return CMD_ERROR;

   434

   435

	// allow building rail under bridge

   436

	if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile))

   437

		return CMD_ERROR;

   438

   439

	if (ti.type == MP_TUNNELBRIDGE) {

   440

		if (!EnsureNoVehicleZ(tile, GET_TILEHEIGHT(tile)))

   441

			return CMD_ERROR;

   442

   443

		if ((ti.map5 & 0xF8) != 0xE0)

   444

			return CMD_ERROR;

   445

   446

		if ( ((ti.map5 & 1) ? 1 : 2) != rail_bit )

   447

			return CMD_ERROR;

   448

   449

		if (!(flags & DC_EXEC))

   450

			return _price.remove_rail;

   451

   452

		_map_owner[tile] = OWNER_NONE;

   453

		_map5[tile] = ti.map5 & 0xC7;

   454

	} else if (ti.type == MP_STREET) {

   455

		if (!(ti.map5 & 0xF0))

   456

			return CMD_ERROR;

   457

   458

		if (ti.map5 & 0xE0)

   459

			return CMD_ERROR;

   460

   461

		if (ti.map5 & 8) {

   462

			m5 = 5;

   463

			if (rail_bit != 1)

   464

				return CMD_ERROR;

   465

		} else {

   466

			m5 = 10;

   467

			if (rail_bit != 2)

   468

				return CMD_ERROR;

   469

		}

   470

   471

		if (!(flags & DC_EXEC))

   472

			return _price.remove_rail;

   473

   474

		_map5[tile] = m5;

   475

		_map_owner[tile] = _map3_lo[tile];

   476

		_map2[tile] = 0;

   477

	} else {

   478

		assert(ti.type == MP_RAILWAY);

   479

   480

		if (ti.map5 & RAIL_TYPE_SPECIAL)

   481

			return CMD_ERROR;

   482

   483

		if (!(ti.map5 & rail_bit))

   484

			return CMD_ERROR;

   485

   486

		// don't allow remove if there are signals on the track

   487

		if (ti.map5 & RAIL_TYPE_SIGNALS) {

   488

			if (_map3_lo[tile] & _signals_table_both[p2])

   489

				return CMD_ERROR;

   490

		}

   491

   492

		if (!(flags & DC_EXEC))

   493

			return _price.remove_rail;

   494

   495

		if ( (_map5[tile] ^= rail_bit) == 0) {

   496

			DoClearSquare(tile);

   497

			goto skip_mark_dirty;

   498

		}

   499

	}

   500

   501

	/* mark_dirty */

   502

	MarkTileDirtyByTile(tile);

   503

   504

skip_mark_dirty:;

   505

   506

	SetSignalsOnBothDir(tile, (byte)p2);

   507

   508

	return _price.remove_rail;

   509

}

   510

   511

static const struct {

   512

	int8 xinc[16];

   513

	int8 yinc[16];

   514

	byte initial[16];

   515

} _railbit = {{

   516

//  0   1   2    3   4   5

   517

	 16,  0,-16,   0, 16,  0,    0,  0,

   518

	-16,  0,  0,  16,  0,-16,    0,  0,

   519

},{

   520

	0,   16,  0,  16,  0, 16,    0,  0,

   521