1

/* $Id$ */

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     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "table/sprites.h"

     6

#include "table/strings.h"

     7

#include "functions.h"

     8

#include "map.h"

     9

#include "tile.h"

    10

#include "vehicle.h"

    11

#include "viewport.h"

    12

#include "command.h"

    13

#include "town.h"

    14

#include "news.h"

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#include "sound.h"

    16

#include "depot.h"

    17

#include "vehicle_gui.h"

    18

    19

const SpriteID _water_shore_sprites[15] = {

    20

	0,

    21

	SPR_SHORE_TILEH_1,

    22

	SPR_SHORE_TILEH_2,

    23

	SPR_SHORE_TILEH_3,

    24

	SPR_SHORE_TILEH_4,

    25

	0,

    26

	SPR_SHORE_TILEH_6,

    27

	0,

    28

	SPR_SHORE_TILEH_8,

    29

	SPR_SHORE_TILEH_9,

    30

	0,

    31

	0,

    32

	SPR_SHORE_TILEH_12,

    33

	0,

    34

	0

    35

};

    36

    37

    38

static void FloodVehicle(Vehicle *v);

    39

    40

static bool IsClearWaterTile(TileIndex tile)

    41

{

    42

	return

    43

		IsTileType(tile, MP_WATER) &&

    44

		_m[tile].m5 == 0 &&

    45

		GetTileSlope(tile, NULL) == 0;

    46

}

    47

    48

/** Build a ship depot.

    49

 * @param x,y tile coordinates where ship depot is built

    51

 * @param p2 unused

    52

 */

    53

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

    54

{

    55

	TileIndex tile, tile2;

    56

    57

	int32 cost, ret;

    58

	Depot *depot;

    59

    60

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    61

    63

    64

	tile = TileVirtXY(x, y);

    65

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    66

    67

	tile2 = tile + (p1 ? TileDiffXY(0, 1) : TileDiffXY(1, 0));

    68

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    69

    70

	if (!IsClearWaterTile(tile) || !IsClearWaterTile(tile2))

    71

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    72

    73

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

    74

	if (CmdFailed(ret)) return CMD_ERROR;

    75

	ret = DoCommandByTile(tile2, 0, 0, flags, CMD_LANDSCAPE_CLEAR);

    76

	if (CmdFailed(ret)) return CMD_ERROR;

    77

    78

	// pretend that we're not making land from the water even though we actually are.

    79

	cost = 0;

    80

    81

	depot = AllocateDepot();

    82

	if (depot == NULL) return CMD_ERROR;

    83

    84

	if (flags & DC_EXEC) {

    85

		depot->xy = tile;

    86

		_last_built_ship_depot_tile = tile;

    87

		depot->town_index = ClosestTownFromTile(tile, (uint)-1)->index;

    88

    89

		ModifyTile(tile,

    90

			MP_SETTYPE(MP_WATER) | MP_MAPOWNER_CURRENT | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR,

    91

			(0x80 + p1*2)

    92

		);

    93

    94

		ModifyTile(tile2,

    95

			MP_SETTYPE(MP_WATER) | MP_MAPOWNER_CURRENT | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR,

    96

			(0x81 + p1*2)

    97

		);

    98

	}

    99

   100

	return cost + _price.build_ship_depot;

   101

}

   102

   103

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

   104

{

   105

	TileIndex tile2;

   106

   107

	if (!CheckTileOwnership(tile))

   108

		return CMD_ERROR;

   109

   110

	if (!EnsureNoVehicle(tile))

   111

		return CMD_ERROR;

   112

   113

	tile2 = tile + ((_m[tile].m5 & 2) ? TileDiffXY(0, 1) : TileDiffXY(1, 0));

   114

   115

	if (!EnsureNoVehicle(tile2))

   116

		return CMD_ERROR;

   117

   118

	if (flags & DC_EXEC) {

   119

		/* Kill the depot */

   120

		DoDeleteDepot(tile);

   121

   122

		/* Make the tiles water */

   123

		ModifyTile(tile, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0);

   124

		ModifyTile(tile2, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0);

   125

	}

   126

   127

	return _price.remove_ship_depot;

   128

}

   129

   130

// build a shiplift

   131

static int32 DoBuildShiplift(TileIndex tile, int dir, uint32 flags)

   132

{

   133

	int32 ret;

   134

	int delta;

   135

   136

	// middle tile

   137

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

   138

	if (ret == CMD_ERROR) return CMD_ERROR;

   139

   140

	delta = TileOffsByDir(dir);

   141

	// lower tile

   142

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

   143

	if (ret == CMD_ERROR) return CMD_ERROR;

   144

	if (GetTileSlope(tile - delta, NULL)) return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   145

   146

	// upper tile

   147

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

   148

	if (ret == CMD_ERROR) return CMD_ERROR;

   149

	if (GetTileSlope(tile + delta, NULL)) return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   150

   151

	if (flags & DC_EXEC) {

   152

		ModifyTile(tile, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0x10 + dir);

   153

		ModifyTile(tile - delta, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0x14 + dir);

   154

		ModifyTile(tile + delta, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0x18 + dir);

   155

	}

   156

   157

	return _price.clear_water * 22 >> 3;

   158

}

   159

   160

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   161

{

   162

	TileIndexDiff delta = TileOffsByDir(GB(_m[tile].m5, 0, 2));

   163

   164

	// make sure no vehicle is on the tile.

   165

	if (!EnsureNoVehicle(tile) || !EnsureNoVehicle(tile + delta) || !EnsureNoVehicle(tile - delta))

   166

		return CMD_ERROR;

   167

   168

	if (flags & DC_EXEC) {

   169

		DoClearSquare(tile);

   170

		DoClearSquare(tile + delta);

   171

		DoClearSquare(tile - delta);

   172

	}

   173

   174

	return _price.clear_water * 2;

   175

}

   176

   177

static void MarkTilesAroundDirty(TileIndex tile)

   178

{

   179

	MarkTileDirtyByTile(TILE_ADDXY(tile, 0, 1));

   180

	MarkTileDirtyByTile(TILE_ADDXY(tile, 0, -1));

   181

	MarkTileDirtyByTile(TILE_ADDXY(tile, 1, 0));

   182

	MarkTileDirtyByTile(TILE_ADDXY(tile, -1, 0));

   183

}

   184

   185

/** Builds a lock (ship-lift)

   186

 * @param x,y tile coordinates where to place the lock

   187

 * @param p1 unused

   188

 * @param p2 unused

   189

 */

   190

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

   191

{

   192

	TileIndex tile = TileVirtXY(x, y);

   193

	uint tileh;

   194

   195

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   196

	tileh = GetTileSlope(tile, NULL);

   197

   198

	if (tileh == 3 || tileh == 6 || tileh == 9 || tileh == 12) {

   199

		static const byte _shiplift_dirs[16] = {0, 0, 0, 2, 0, 0, 1, 0, 0, 3, 0, 0, 0};

   200

		return DoBuildShiplift(tile, _shiplift_dirs[tileh], flags);

   201

	}

   202

   203

	return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   204

}

   205

   206

/** Build a piece of canal.

   207

 * @param x,y end tile of stretch-dragging

   208

 * @param p1 start tile of stretch-dragging

   209

 * @param p2 unused

   210

 */

   211

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

   212

{

   213

	int32 ret, cost;

   214

	int size_x, size_y;

   215

	int sx, sy;

   216

   217

	if (p1 > MapSize()) return CMD_ERROR;

   218

   219

	sx = TileX(p1);

   220

	sy = TileY(p1);

   221

	/* x,y are in pixel-coordinates, transform to tile-coordinates

   222

	 * to be able to use the BEGIN_TILE_LOOP() macro */

   223

	x >>= 4; y >>= 4;

   224

   225

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   226

   227

	if (x < sx) intswap(x, sx);

   228

	if (y < sy) intswap(y, sy);

   229

	size_x = (x - sx) + 1;

   230

	size_y = (y - sy) + 1;

   231

   232

	/* Outside the editor you can only drag canals, and not areas */

   233

	if (_game_mode != GM_EDITOR && (sx != x && sy != y)) return CMD_ERROR;

   234

   235

	cost = 0;

   236

	BEGIN_TILE_LOOP(tile, size_x, size_y, TileXY(sx, sy)) {

   237

		ret = 0;

   238

		if (GetTileSlope(tile, NULL) != 0) return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   239

   240

			// can't make water of water!

   241

			if (IsTileType(tile, MP_WATER)) {

   242

				_error_message = STR_1007_ALREADY_BUILT;

   243

			} else {

   244

				/* is middle piece of a bridge? */

   245

				if (IsTileType(tile, MP_TUNNELBRIDGE) && _m[tile].m5 & 0x40) { /* build under bridge */

   246

					if (_m[tile].m5 & 0x20) // transport route under bridge

   247

						return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   248

   249

					if (_m[tile].m5 & 0x18) // already water under bridge

   250

						return_cmd_error(STR_1007_ALREADY_BUILT);

   251

				/* no bridge? then try to clear it. */

   252

				} else

   253

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

   254

   255

				if (CmdFailed(ret)) return CMD_ERROR;

   256

				cost += ret;

   257

   258

				/* execute modifications */

   259

				if (flags & DC_EXEC) {

   260

					if (IsTileType(tile, MP_TUNNELBRIDGE)) {

   261

						// change owner to OWNER_WATER and set land under bridge bit to water

   262

						ModifyTile(tile, MP_MAP5 | MP_MAPOWNER, OWNER_WATER, _m[tile].m5 | 0x08);

   263

					} else {

   264

						ModifyTile(tile, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0);

   265

					}

   266

					// mark the tiles around dirty too

   267

					MarkTilesAroundDirty(tile);

   268

				}

   269

   270

				cost += _price.clear_water;

   271

			}

   272

	} END_TILE_LOOP(tile, size_x, size_y, 0);

   273

   274

	return (cost == 0) ? CMD_ERROR : cost;

   275

}

   276

   277

static int32 ClearTile_Water(TileIndex tile, byte flags)

   278

{

   279

	byte m5 = _m[tile].m5;

   280

	uint slope;

   281

   282

	if (m5 <= 1) { // water and shore

   283

		// Allow building on water? It's ok to build on shores.

   284

		if (flags & DC_NO_WATER && m5 != 1)

   285

			return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   286

   287

		// Make sure no vehicle is on the tile

   288

		if (!EnsureNoVehicle(tile))

   289

			return CMD_ERROR;

   290

   291

		// Make sure it's not an edge tile.

   292

		if (!(IS_INT_INSIDE(TileX(tile), 1, MapMaxX() - 1) &&

   293

				IS_INT_INSIDE(TileY(tile), 1, MapMaxY() - 1)))

   294

			return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   295

   296

		if (m5 == 0) {

   297

			if (flags & DC_EXEC)

   298

				DoClearSquare(tile);

   299

			return _price.clear_water;

   300

		} else if (m5 == 1) {

   301

			slope = GetTileSlope(tile,NULL);

   302

			if (slope == 8 || slope == 4 || slope == 2 || slope == 1) {

   303

				if (flags & DC_EXEC)

   304

					DoClearSquare(tile);

   305

				return _price.clear_water;

   306

			}

   307

			if (flags & DC_EXEC)

   308

				DoClearSquare(tile);

   309

			return _price.purchase_land;

   310

		} else

   311

			return CMD_ERROR;

   312

	} else if ((m5 & 0x10) == 0x10) {

   313

		// shiplift

   314

   315

		static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   316

			{ 0,  0}, {0,  0}, { 0, 0}, {0,  0}, // middle

   317

			{-1,  0}, {0,  1}, { 1, 0}, {0, -1}, // lower

   318

			{ 1,  0}, {0, -1}, {-1, 0}, {0,  1}, // upper

   319

		};

   320

   321

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   322

		// don't allow water to delete it.

   323

		if (_current_player == OWNER_WATER) return CMD_ERROR;

   324

		// move to the middle tile..

   325

		return RemoveShiplift(tile + ToTileIndexDiff(_shiplift_tomiddle_offs[m5 & 0xF]), flags);

   326

	} else {

   327

		// ship depot

   328

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   329

   330

		switch (m5) {

   331

			case 0x80: break;

   332

			case 0x81: tile -= TileDiffXY(1, 0); break;

   333

			case 0x82: break;

   334

			case 0x83: tile -= TileDiffXY(0, 1); break;

   335

			default:   return CMD_ERROR;

   336

		}

   337

   338

		return RemoveShipDepot(tile,flags);

   339

	}

   340

}

   341

   342

// return true if a tile is a water tile.

   343

static bool IsWateredTile(TileIndex tile)

   344

{

   345

	byte m5 = _m[tile].m5;

   346

   347

	switch (GetTileType(tile)) {

   348

		case MP_WATER:

   349

			// true, if not coast/riverbank

   350

			return m5 != 1;

   351

   352

		case MP_STATION:

   353

			// returns true if it is a dock-station

   354

			// m5 inside values is m5 < 75 all stations, 83 <= m5 <= 114 new airports

   355

			return !(m5 < 75 || (m5 >= 83 && m5 <= 114));

   356

   357

		case MP_TUNNELBRIDGE:

   358

			// true, if tile is middle part of bridge with water underneath

   359

			return (m5 & 0xF8) == 0xC8;

   360

   361

		default:

   362

			return false;

   363

	}

   364

}

   365

   366

// draw a canal styled water tile with dikes around

   367

void DrawCanalWater(TileIndex tile)

   368

{

   369

	uint wa;

   370

   371

	// determine the edges around with water.

   372

	wa = IsWateredTile(TILE_ADDXY(tile, -1, 0)) << 0;

   373

	wa += IsWateredTile(TILE_ADDXY(tile, 0, 1)) << 1;

   374

	wa += IsWateredTile(TILE_ADDXY(tile, 1, 0)) << 2;

   375

	wa += IsWateredTile(TILE_ADDXY(tile, 0, -1)) << 3;

   376

   377

	if (!(wa & 1)) DrawGroundSprite(SPR_CANALS_BASE + 57);

   378

	if (!(wa & 2)) DrawGroundSprite(SPR_CANALS_BASE + 58);

   379

	if (!(wa & 4)) DrawGroundSprite(SPR_CANALS_BASE + 59);

   380

	if (!(wa & 8)) DrawGroundSprite(SPR_CANALS_BASE + 60);

   381

   382

	// right corner

   383

	if ((wa & 3) == 0) DrawGroundSprite(SPR_CANALS_BASE + 57 + 4);

   384

	else if ((wa & 3) == 3 && !IsWateredTile(TILE_ADDXY(tile, -1, 1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 8);

   385

   386

	// bottom corner

   387

	if ((wa & 6) == 0) DrawGroundSprite(SPR_CANALS_BASE + 57 + 5);

   388

	else if ((wa & 6) == 6 && !IsWateredTile(TILE_ADDXY(tile, 1, 1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 9);

   389

   390

	// left corner

   391

	if ((wa & 12) == 0) DrawGroundSprite(SPR_CANALS_BASE + 57 + 6);

   392

	else if ((wa & 12) == 12 && !IsWateredTile(TILE_ADDXY(tile, 1, -1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 10);

   393

   394

	// upper corner

   395

	if ((wa & 9) == 0) DrawGroundSprite(SPR_CANALS_BASE + 57 + 7);

   396

	else if ((wa & 9) == 9 && !IsWateredTile(TILE_ADDXY(tile, -1, -1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 11);

   397

}

   398

   399

typedef struct LocksDrawTileStruct {

   400

	int8 delta_x, delta_y, delta_z;

   401

	byte width, height, depth;

   402

	SpriteID image;

   403

} LocksDrawTileStruct;

   404

   405

#include "table/water_land.h"

   406

   407

static void DrawWaterStuff(const TileInfo *ti, const WaterDrawTileStruct *wdts,

   408

	uint32 palette, uint base

   409

)

   410

{

   411

	uint32 image;

   412

   413

	DrawGroundSprite(wdts++->image);

   414

   415

	for (; wdts->delta_x != 0x80; wdts++) {

   416

		image =	wdts->image + base;

   417

		if (_display_opt & DO_TRANS_BUILDINGS) {

   418

			MAKE_TRANSPARENT(image);

   419

		} else {

   420

			image |= palette;

   421

		}

   422

		AddSortableSpriteToDraw(image, ti->x + wdts->delta_x, ti->y + wdts->delta_y, wdts->width, wdts->height, wdts->unk, ti->z + wdts->delta_z);

   423

	}

   424

}

   425

   426

static void DrawTile_Water(TileInfo *ti)

   427

{

   428

	// draw water tile

   429

	if (ti->map5 == 0) {

   430

		DrawGroundSprite(SPR_FLAT_WATER_TILE);

   431

		if (ti->z != 0) DrawCanalWater(ti->tile);

   432

		return;

   433

	}

   434

   435

	// draw shore

   436

	if (ti->map5 == 1) {

   437

		assert(ti->tileh < 16);

   438

		DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   439

		return;

   440

	}

   441

   442

	// draw shiplift

   443

	if ((ti->map5 & 0xF0) == 0x10) {

   444

		const WaterDrawTileStruct *t = _shiplift_display_seq[ti->map5 & 0xF];

   445

		DrawWaterStuff(ti, t, 0, ti->z > t[3].delta_y ? 24 : 0);

   446

		return;

   447

	}

   448

   449

	DrawWaterStuff(ti, _shipdepot_display_seq[ti->map5 & 0x7F], PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)), 0);

   450

}

   451

   452

void DrawShipDepotSprite(int x, int y, int image)

   453

{

   454

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   455

   456

	DrawSprite(wdts++->image, x, y);

   457

   458

	for (; wdts->delta_x != 0x80; wdts++) {

   459

		Point pt = RemapCoords(wdts->delta_x, wdts->delta_y, wdts->delta_z);

   460

		DrawSprite(wdts->image + PLAYER_SPRITE_COLOR(_local_player), x + pt.x, y + pt.y);

   461

	}

   462

}

   463

   464

   465

static uint GetSlopeZ_Water(const TileInfo* ti)

   466

{

   467

	return GetPartialZ(ti->x & 0xF, ti->y & 0xF, ti->tileh) + ti->z;

   468

}

   469

   470

static uint GetSlopeTileh_Water(const TileInfo *ti)

   471

{

   472

	return ti->tileh;

   473

}

   474

   475

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   476

{

   477

	/* not used */

   478

}

   479

   480

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   481

{

   482

	if (_m[tile].m5 == 0 && TilePixelHeight(tile) == 0)

   483

		td->str = STR_3804_WATER;

   484

	else if (_m[tile].m5 == 0)

   485

		td->str = STR_LANDINFO_CANAL;

   486

	else if (_m[tile].m5 == 1)

   487

		td->str = STR_3805_COAST_OR_RIVERBANK;

   488

	else if ((_m[tile].m5&0xF0) == 0x10)

   489

		td->str = STR_LANDINFO_LOCK;

   490

	else

   491

		td->str = STR_3806_SHIP_DEPOT;

   492

   493

	td->owner = GetTileOwner(tile);

   494

}

   495

   496

static void AnimateTile_Water(TileIndex tile)

   497

{

   498

	/* not used */

   499

}

   500

   501

static void TileLoopWaterHelper(TileIndex tile, const TileIndexDiffC *offs)

   502

{