1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "vehicle.h"

     4

#include "viewport.h"

     5

#include "command.h"

     6

#include "pathfind.h"

     7

#include "town.h"

     8

#include "sound.h"

     9

#include "station.h"

    10

#include "sprite.h"

    11

    14

void ShowTrainDepotWindow(uint tile);

    15

    16

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

    17

	RAIL_TYPE_NORMAL = 0,

    18

	RAIL_TYPE_SIGNALS = 0x40,

    19

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

    20

	RAIL_TYPE_DEPOT = 0xC0,

    21

	RAIL_TYPE_MASK = 0xC0,

    22

    23

	RAIL_BIT_DIAG1 = 1,  // 0

    24

	RAIL_BIT_DIAG2 = 2,  // 1

    25

	RAIL_BIT_UPPER = 4,  // 2

    26

	RAIL_BIT_LOWER = 8,  // 3

    27

	RAIL_BIT_LEFT  = 16, // 4

    28

	RAIL_BIT_RIGHT = 32, // 5

    29

	RAIL_BIT_MASK = 0x3F,

    30

    31

	RAIL_DEPOT_TRACK_MASK = 1,

    32

	RAIL_DEPOT_DIR = 3,

    33

	RAIL_DEPOT_UNUSED_BITS = 0x3C,

    34

    35

	RAIL_TYPE_WAYPOINT = 0xC4,

    36

	RAIL_WAYPOINT_TRACK_MASK = 1,

    37

	RAIL_WAYPOINT_UNUSED_BITS = 0x3E,

    38

};

    39

    40

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

    41

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

    42

    43

/* Format of rail map5 byte.

    44

 * 00 abcdef  => Normal rail

    45

 * 01 abcdef  => Rail with signals

    46

 * 10 ??????  => Unused

    47

 * 11 ????dd  => Depot

    48

 *

    49

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

    50

 * value for each track is given.

    51

 */

    52

    53

/*         4

    54

 *     ---------

    55

 *    |\       /|

    56

 *    | \    1/ |

    57

 *    |  \   /  |

    58

 *    |   \ /   |

    59

 *  16|    \    |32

    60

 *    |   / \2  |

    61

 *    |  /   \  |

    62

 *    | /     \ |

    63

 *    |/       \|

    64

 *     ---------

    65

 *         8

    66

 */

    67

    68

    69

// Constants for lower part of Map2 byte.

    70

enum RailMap2Lower4 {

    71

	RAIL_MAP2LO_GROUND_MASK = 0xF,

    72

	RAIL_GROUND_BROWN = 0,

    73

	RAIL_GROUND_GREEN = 1,

    74

	RAIL_GROUND_FENCE_NW = 2,

    75

	RAIL_GROUND_FENCE_SE = 3,

    76

	RAIL_GROUND_FENCE_SENW = 4,

    77

	RAIL_GROUND_FENCE_NE = 5,

    78

	RAIL_GROUND_FENCE_SW = 6,

    79

	RAIL_GROUND_FENCE_NESW = 7,

    80

	RAIL_GROUND_FENCE_VERT1 = 8,

    81

	RAIL_GROUND_FENCE_VERT2 = 9,

    82

	RAIL_GROUND_FENCE_HORIZ1 = 10,

    83

	RAIL_GROUND_FENCE_HORIZ2 = 11,

    84

	RAIL_GROUND_ICE_DESERT = 12,

    85

};

    86

    87

    88

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

    89

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

    90

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

    91

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

    92

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

    93

 *				 similar for lower and right.

    94

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

    95

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

    96

 * MAP5:         00abcdef => rail

    97

 *               01abcdef => rail w/ signals

    98

 *               10uuuuuu => unused

    99

 *               11uuuudd => rail depot

   100

 */

   101

   102

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

   103

{

   104

	_error_message = STR_1001_IMPOSSIBLE_TRACK_COMBINATION;

   105

   106

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

   107

   108

		if (map5 & trackbits) {

   109

			_error_message = STR_1007_ALREADY_BUILT;

   110

			return false;

   111

		}

   112

   113

		map5 |= trackbits;

   114

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

   115

   116

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

   117

		_error_message = STR_1007_ALREADY_BUILT;

   118

		if (map5 & trackbits)

   119

			return false;

   120

   121

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

   122

		if (!(flags&DC_NO_RAIL_OVERLAP))

   123

			return true;

   124

   125

		map5 |= trackbits;

   126

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

   127

	} else {

   128

		return false;

   129

	}

   130

}

   131

   132

   133

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

   134

   135

// set of normal ones

   136

{

   137

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

   138

	RAIL_BIT_RIGHT,

   139

	RAIL_BIT_UPPER,

   140

	RAIL_BIT_DIAG1,

   141

   142

	RAIL_BIT_LEFT,

   143

	0,

   144

	RAIL_BIT_DIAG2,

   145

	RAIL_BIT_LOWER,

   146

   147

	RAIL_BIT_LOWER,

   148

	RAIL_BIT_DIAG2,

   149

	0,

   150

	RAIL_BIT_LEFT,

   151

   152

	RAIL_BIT_DIAG1,

   153

	RAIL_BIT_UPPER,

   154

	RAIL_BIT_RIGHT,

   155

},

   156

   157

// allowed rail for an evenly raised platform

   158

{

   159

	0,

   160

	RAIL_BIT_LEFT,

   161

	RAIL_BIT_LOWER,

   162

	RAIL_BIT_DIAG2 | RAIL_BIT_LOWER | RAIL_BIT_LEFT,

   163

   164

	RAIL_BIT_RIGHT,

   165

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

   166

	RAIL_BIT_DIAG1 | RAIL_BIT_LOWER | RAIL_BIT_RIGHT,

   167

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

   168

   169

	RAIL_BIT_UPPER,

   170

	RAIL_BIT_DIAG1 | RAIL_BIT_UPPER | RAIL_BIT_LEFT,

   171

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

   172

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

   173

   174

	RAIL_BIT_DIAG2 | RAIL_BIT_UPPER | RAIL_BIT_RIGHT,

   175

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

   176

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

   177

},

   178

   179

// allowed rail on coast tile

   180

{

   181

	0,

   182

	RAIL_BIT_LEFT,

   183

	RAIL_BIT_LOWER,

   184

	RAIL_BIT_DIAG2|RAIL_BIT_LEFT|RAIL_BIT_LOWER,

   185

   186

	RAIL_BIT_RIGHT,

   187

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

   188

	RAIL_BIT_DIAG1|RAIL_BIT_RIGHT|RAIL_BIT_LOWER,

   189

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

   190

   191

	RAIL_BIT_UPPER,

   192

	RAIL_BIT_DIAG1|RAIL_BIT_LEFT|RAIL_BIT_UPPER,

   193

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

   194

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

   195

   196

	RAIL_BIT_DIAG2|RAIL_BIT_RIGHT|RAIL_BIT_UPPER,

   197

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

   198

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

   199

	},

   200

   201

	// valid railway crossings on slopes

   202

	{

   203

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

   204

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

   205

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

   206

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

   207

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

   208

	}

   209

};

   210

   211

uint GetRailFoundation(uint tileh, uint bits)

   212

{

   213

	int i;

   214

   215

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

   216

		return 0;

   217

   218

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

   219

		return tileh;

   220

   221

	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)))

   222

		return i + 15;

   223

   224

	return 0;

   225

}

   226

   227

//

   228

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

   229

{

   230

	// never allow building on top of steep tiles

   231

	if (!(tileh & 0x10)) {

   232

		rail_bits |= existing;

   233

   234

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

   235

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

   236

			return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   237

		}

   238

   239

		// no special foundation

   240

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

   241

			return 0;

   242

   243

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

   244

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

   245

			return existing ? 0 : _price.terraform;

   246

		}

   247

	}

   248

	return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   249

}

   250

   251

/* Build a single track.

   252

 * p1 - railroad type normal/maglev

   253

 * p2 - tile direction

   254

 */

   255

   256

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

   257

{

   258

	TileInfo ti;

   259

	int32 ret, cost = 0;

   260

	byte rail_bit = 1 << p2;

   261

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

   262

	uint tile;

   263

	byte existing = 0;

   264

	bool need_clear = false;

   265

   266

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   267

   268

	_error_message = STR_1007_ALREADY_BUILT;

   269

   270

	FindLandscapeHeight(&ti, x, y);

   271

	tile = ti.tile;

   272

   273

	// allow building rail under bridge

   274

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

   275

		return CMD_ERROR;

   276

   277

	if (ti.type == MP_TUNNELBRIDGE) {

   278

/* BUILD ON BRIDGE CODE */

   279

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

   280

			return CMD_ERROR;

   281

   282

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

   283

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

   284

   285

			if (!(flags & DC_EXEC))

   286

				return _price.build_rail;

   287

   288

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

   289

			goto set_ownership;

   290

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

   291

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

   292

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

   293

			return CMD_ERROR;

   294

		} else

   295

			goto need_clear;

   296

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

   297

		byte m5;

   298

/* BUILD ON STREET CODE */

   299

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

   300

				return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   301

   302

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

   303

				return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   304

   305

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

   306

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

   307

				if (rail_bit != 2) goto need_clear;

   308

				m5 = 0x10;

   309

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

   310

				if (rail_bit != 1) goto need_clear;

   311

				m5 = 0x18;

   312

			} else

   313

				goto need_clear;

   314

   315

			if (!(flags & DC_EXEC))

   316

				return _price.build_rail;

   317

   318

			ModifyTile(tile,

   319

				MP_SETTYPE(MP_STREET) |

   320

				MP_MAP3LO | MP_MAP3HI | MP_MAPOWNER_CURRENT | MP_MAP5,

   321

				_map_owner[tile], /* map3_lo */

   322

				p1, /* map3_hi */

   323

				m5  /* map5 */

   324

			);

   325

			goto fix_signals;

   326

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

   327

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

   328

			return CMD_ERROR;

   329

		} else

   330

			goto need_clear;

   331

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

   332

   333

/* BUILD ON RAILWAY CODE */

   334

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

   335

			goto need_clear;

   336

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

   337

			return CMD_ERROR;

   338

   339

		existing = ti.map5 & 0x3F;

   340

	} else {

   341

   342

/* DEFAULT BUILD ON CODE */

   343

need_clear:;

   344

		/* isnot_railway */

   345

		if (!(flags & DC_EXEC)) {

   346

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

   347

			if (ret == CMD_ERROR) return CMD_ERROR;

   348

			cost += ret;

   349

		}

   350

		need_clear = true;

   351

	}

   352

   353

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

   354

	if (ret & 0x80000000)

   355

		return ret;

   356

	cost += ret;

   357

   358

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

   359

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

   360

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   361

   362

	if (flags & DC_EXEC && need_clear) {

   363

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

   364

		if (ret == CMD_ERROR) return CMD_ERROR;

   365

		cost += ret;

   366

	}

   367

   368

	if (flags & DC_EXEC) {

   369

		_map_type_and_height[tile] &= 0xF;

   370

		_map_type_and_height[tile] |= MP_RAILWAY << 4;

   371

		_map5[tile] |= rail_bit;

   372

		_map2[tile] &= ~RAIL_MAP2LO_GROUND_MASK;

   373

   374

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

   375

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

   376

			_map2[tile] &= ~0xF0;

   377

   378

set_ownership:

   379

		_map_owner[tile] = _current_player;

   380

   381

		_map3_lo[tile] &= ~0xF;

   382

		_map3_lo[tile] |= rail_type;

   383

   384

		MarkTileDirtyByTile(tile);

   385

   386

fix_signals:

   387

		SetSignalsOnBothDir(tile, (byte)p2);

   388

	}

   389

   390

	return cost + _price.build_rail;

   391

}

   392

   393

static const byte _signals_table[] = {

   394

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

   395

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

   396

};

   397

   398

static const byte _signals_table_other[] = {

   399

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

   400

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

   401

};

   402

   403

static const byte _signals_table_both[] = {

   404

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

   405

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

   406

};

   407

   408

   409

/* Remove a single track.

   410

 * p1 - unused

   411

 * p2 - tile direction

   412

 */

   413

   414

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

   415

{

   416

	TileInfo ti;

   417

	byte rail_bit = 1 << p2;

   418

	byte m5;

   419

	uint tile;

   420

   421

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   422

   423

	FindLandscapeHeight(&ti, x, y);

   424

   425

	tile = ti.tile;

   426

   427

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

   428

		return CMD_ERROR;

   429

   430

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

   431

		return CMD_ERROR;

   432

   433

	// allow building rail under bridge

   434

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

   435

		return CMD_ERROR;

   436

   437

	if (ti.type == MP_TUNNELBRIDGE) {

   438

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

   439

			return CMD_ERROR;

   440

   441

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

   442

			return CMD_ERROR;

   443

   444

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

   445

			return CMD_ERROR;

   446

   447

		if (!(flags & DC_EXEC))

   448

			return _price.remove_rail;

   449

   450

		_map_owner[tile] = OWNER_NONE;

   451

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

   452

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

   453

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

   454

			return CMD_ERROR;

   455

   456

		if (ti.map5 & 0xE0)

   457

			return CMD_ERROR;

   458

   459

		if (ti.map5 & 8) {

   460

			m5 = 5;

   461

			if (rail_bit != 1)

   462

				return CMD_ERROR;

   463

		} else {

   464

			m5 = 10;

   465

			if (rail_bit != 2)

   466

				return CMD_ERROR;

   467

		}

   468

   469

		if (!(flags & DC_EXEC))

   470

			return _price.remove_rail;

   471

   472

		_map5[tile] = m5;

   473

		_map_owner[tile] = _map3_lo[tile];

   474

		_map2[tile] = 0;

   475

	} else {

   476

		assert(ti.type == MP_RAILWAY);

   477

   478

		if (ti.map5 & RAIL_TYPE_SPECIAL)

   479

			return CMD_ERROR;

   480

   481

		if (!(ti.map5 & rail_bit))

   482

			return CMD_ERROR;

   483

   484

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

   485

		if (ti.map5 & RAIL_TYPE_SIGNALS) {

   486

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

   487

				return CMD_ERROR;

   488

		}

   489

   490

		if (!(flags & DC_EXEC))

   491

			return _price.remove_rail;

   492

   493

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

   494

			DoClearSquare(tile);

   495

			goto skip_mark_dirty;

   496

		}

   497

	}

   498

   499

	/* mark_dirty */

   500

	MarkTileDirtyByTile(tile);

   501

   502

skip_mark_dirty:;

   503

   504

	SetSignalsOnBothDir(tile, (byte)p2);

   505

   506

	return _price.remove_rail;

   507

}

   508

   509

static const struct {

   510

	int8 xinc[16];

   511

	int8 yinc[16];

   512

	byte initial[16];

   513

} _railbit = {{

   514

//  0   1   2    3   4   5

   515

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

   516

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

   517

},{

   518

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

   519

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

   520

},{

   521

	5,  1, 0,4, // normal