1

#include "stdafx.h"

     2

#include "openttd.h"

     3

#include "table/sprites.h"

     4

#include "table/strings.h"

     5

#include "map.h"

     6

#include "tile.h"

     7

#include "vehicle.h"

     8

#include "viewport.h"

     9

#include "command.h"

    10

#include "town.h"

    11

#include "news.h"

    12

#include "sound.h"

    13

#include "depot.h"

    14

#include "vehicle_gui.h"

    15

    16

static void FloodVehicle(Vehicle *v);

    17

    18

static bool IsClearWaterTile(TileIndex tile)

    19

{

    20

	TileInfo ti;

    21

	FindLandscapeHeightByTile(&ti, tile);

    22

	return (ti.type == MP_WATER && ti.tileh == 0 && ti.map5 == 0);

    23

}

    24

    25

/** Build a ship depot.

    26

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

    27

 * @param p1 depot direction (0 through 3), where 0 is NW, 1 is NE, etc.

    28

 * @param p2 unused

    29

 */

    30

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

    31

{

    32

	TileIndex tile, tile2;

    33

    34

	int32 cost, ret;

    35

	Depot *depot;

    36

    37

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    38

    39

	if (p1 > 3) return CMD_ERROR;

    40

    42

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    43

    44

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

    45

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    46

    47

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

    48

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    49

    50

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

    51

	if (CmdFailed(ret)) return CMD_ERROR;

    52

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

    53

	if (CmdFailed(ret)) return CMD_ERROR;

    54

    55

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

    56

	cost = 0;

    57

    58

	depot = AllocateDepot();

    59

	if (depot == NULL) return CMD_ERROR;

    60

    61

	if (flags & DC_EXEC) {

    62

		depot->xy = tile;

    63

		_last_built_ship_depot_tile = tile;

    64

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

    65

    66

		ModifyTile(tile,

    67

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

    68

			(0x80 + p1*2)

    69

		);

    70

    71

		ModifyTile(tile2,

    72

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

    73

			(0x81 + p1*2)

    74

		);

    75

	}

    76

    77

	return cost + _price.build_ship_depot;

    78

}

    79

    80

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

    81

{

    82

	TileIndex tile2;

    83

    84

	if (!CheckTileOwnership(tile))

    85

		return CMD_ERROR;

    86

    87

	if (!EnsureNoVehicle(tile))

    88

		return CMD_ERROR;

    89

    90

	tile2 = tile + ((_map5[tile] & 2) ? TILE_XY(0,1) : TILE_XY(1,0));

    91

    92

	if (!EnsureNoVehicle(tile2))

    93

		return CMD_ERROR;

    94

    95

	if (flags & DC_EXEC) {

    96

		/* Kill the depot */

    97

		DoDeleteDepot(tile);

    98

    99

		/* Make the tiles water */

   100

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

   101

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

   102

	}

   103

   104

	return _price.remove_ship_depot;

   105

}

   106

   107

// build a shiplift

   108

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

   109

{

   110

	int32 ret;

   111

	int delta;

   112

   113

	// middle tile

   114

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

   115

	if (ret == CMD_ERROR) return CMD_ERROR;

   116

   117

	delta = TileOffsByDir(dir);

   118

	// lower tile

   119

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

   120

	if (ret == CMD_ERROR) return CMD_ERROR;

   121

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

   122

   123

	// upper tile

   124

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

   125

	if (ret == CMD_ERROR) return CMD_ERROR;

   126

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

   127

   128

	if (flags & DC_EXEC) {

   129

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

   130

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

   131

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

   132

	}

   133

   134

	return _price.clear_water * 22 >> 3;

   135

}

   136

   137

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   138

{

   139

	TileIndexDiff delta = TileOffsByDir(_map5[tile] & 3);

   140

   141

	// make sure no vehicle is on the tile.

   142

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

   143

		return CMD_ERROR;

   144

   145

	if (flags & DC_EXEC) {

   146

		DoClearSquare(tile);

   147

		DoClearSquare(tile + delta);

   148

		DoClearSquare(tile - delta);

   149

	}

   150

   151

	return _price.clear_water * 2;

   152

}

   153

   154

static void MarkTilesAroundDirty(TileIndex tile)

   155

{

   156

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

   157

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

   158

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

   159

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

   160

}

   161

   162

/** Builds a lock (ship-lift)

   163

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

   164

 * @param p1 unused

   165

 * @param p2 unused

   166

 */

   167

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

   168

{

   170

	uint tileh;

   171

   172

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   173

	tileh = GetTileSlope(tile, NULL);

   174

   175

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

   176

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

   177

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

   178

	}

   179

   180

	return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   181

}

   182

   183

/** Build a piece of canal.

   184

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

   185

 * @param p1 start tile of stretch-dragging

   186

 * @param p2 unused

   187

 */

   188

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

   189

{

   190

	int32 ret, cost;

   191

	int size_x, size_y;

   192

	int sx, sy;

   193

   194

	if (p1 > MapSize()) return CMD_ERROR;

   195

   196

	sx = TileX(p1);

   197

	sy = TileY(p1);

   198

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

   199

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

   200

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

   201

   202

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   203

   204

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

   205

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

   206

	size_x = (x - sx) + 1;

   207

	size_y = (y - sy) + 1;

   208

   209

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

   210

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

   211

   212

	cost = 0;

   213

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

   214

		ret = 0;

   215

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

   216

   217

			// can't make water of water!

   218

			if (IsTileType(tile, MP_WATER)) {

   219

				_error_message = STR_1007_ALREADY_BUILT;

   220

			} else {

   221

				/* is middle piece of a bridge? */

   222

				if (IsTileType(tile, MP_TUNNELBRIDGE) && _map5[tile] & 0x40) { /* build under bridge */

   223

					if (_map5[tile] & 0x20) // transport route under bridge

   224

						return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   225

   226

					if (_map5[tile] & 0x18) // already water under bridge

   227

						return_cmd_error(STR_1007_ALREADY_BUILT);

   228

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

   229

				} else

   230

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

   231

   232

				if (CmdFailed(ret)) return CMD_ERROR;

   233

				cost += ret;

   234

   235

				/* execute modifications */

   236

				if (flags & DC_EXEC) {

   237

					if (IsTileType(tile, MP_TUNNELBRIDGE)) {

   238

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

   239

						ModifyTile(tile, MP_MAP5 | MP_MAPOWNER, OWNER_WATER, _map5[tile] | 0x08);

   240

					} else {

   241

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

   242

					}

   243

					// mark the tiles around dirty too

   244

					MarkTilesAroundDirty(tile);

   245

				}

   246

   247

				cost += _price.clear_water;

   248

			}

   249

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

   250

   251

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

   252

}

   253

   254

static int32 ClearTile_Water(TileIndex tile, byte flags)

   255

{

   256

	byte m5 = _map5[tile];

   257

	uint slope;

   258

   259

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

   260

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

   261

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

   262

			return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   263

   264

		// Make sure no vehicle is on the tile

   265

		if (!EnsureNoVehicle(tile))

   266

			return CMD_ERROR;

   267

   268

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

   269

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

   270

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

   271

			return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   272

   273

		if (m5 == 0) {

   274

			if (flags & DC_EXEC)

   275

				DoClearSquare(tile);

   276

			return _price.clear_water;

   277

		} else if (m5 == 1) {

   278

			slope = GetTileSlope(tile,NULL);

   279

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

   280

				if (flags & DC_EXEC)

   281

					DoClearSquare(tile);

   282

				return _price.clear_water;

   283

			}

   284

			if (flags & DC_EXEC)

   285

				DoClearSquare(tile);

   286

			return _price.purchase_land;

   287

		} else

   288

			return CMD_ERROR;

   289

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

   290

		// shiplift

   291

   292

		static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   293

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

   294

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

   295

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

   296

		};

   297

   298

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   299

		// don't allow water to delete it.

   300

		if (_current_player == OWNER_WATER) return CMD_ERROR;

   301

		// move to the middle tile..

   302

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

   303

	} else {

   304

		// ship depot

   305

		if (flags & DC_AUTO)

   306

			return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   307

   308

		if (m5 == 0x80 || m5 == 0x82) {}

   309

		else if (m5 == 0x81) { tile -= TILE_XY(1,0); }

   310

		else if (m5 == 0x83) { tile -= TILE_XY(0,1); }

   311

		else

   312

			return CMD_ERROR;

   313

   314

		return RemoveShipDepot(tile,flags);

   315

	}

   316

}

   317

   318

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

   319

static bool IsWateredTile(TileIndex tile)

   320

{

   321

	byte m5 = _map5[tile];

   322

   323

	switch (GetTileType(tile)) {

   324

		case MP_WATER:

   325

			// true, if not coast/riverbank

   326

			return m5 != 1;

   327

   328

		case MP_STATION:

   329

			// returns true if it is a dock-station

   330

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

   331

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

   332

   333

		case MP_TUNNELBRIDGE:

   334

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

   335

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

   336

   337

		default:

   338

			return false;

   339

	}

   340

}

   341

   342

// draw a canal styled water tile with dikes around

   343

void DrawCanalWater(TileIndex tile)

   344

{

   345

	uint wa;

   346

   347

	// determine the edges around with water.

   348

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

   349

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

   350

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

   351

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

   352

   353

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

   354

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

   355

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

   356

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

   357

   358

	// right corner

   359

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

   360

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

   361

   362

	// bottom corner

   363

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

   364

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

   365

   366

	// left corner

   367

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

   368

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

   369

   370

	// upper corner

   371

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

   372

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

   373

}

   374

   375

typedef struct LocksDrawTileStruct {

   376

	int8 delta_x, delta_y, delta_z;

   377

	byte width, height, depth;

   378

	SpriteID image;

   379

} LocksDrawTileStruct;

   380

   381

#include "table/water_land.h"

   382

   383

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

   384

	uint32 palette, uint base

   385

)

   386

{

   387

	uint32 image;

   388

   389

	DrawGroundSprite(wdts++->image);

   390

   391

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

   392

		image =	wdts->image + base;

   393

		if (_display_opt & DO_TRANS_BUILDINGS) {

   394

			image = (image & 0x3FFF) | 0x03224000;

   395

		} else {

   396

			image |= palette;

   397

		}

   398

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

   399

	}

   400

}

   401

   402

static void DrawTile_Water(TileInfo *ti)

   403

{

   404

	// draw water tile

   405

	if (ti->map5 == 0) {

   406

		DrawGroundSprite(0xFDD);

   407

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

   408

		return;

   409

	}

   410

   411

	// draw shore

   412

	if (ti->map5 == 1) {

   413

		assert(ti->tileh < 16);

   414

		DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   415

		return;

   416

	}

   417

   418

	// draw shiplift

   419

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

   420

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

   421

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

   422

		return;

   423

	}

   424

   425

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

   426

}

   427

   428

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

   429

{

   430

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   431

   432

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

   433

   434

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

   435

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

   436

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

   437

	}

   438

}

   439

   440

   441

static uint GetSlopeZ_Water(TileInfo *ti)

   442

{

   443

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

   444

}

   445

   446

static uint GetSlopeTileh_Water(TileInfo *ti)

   447

{

   448

	return ti->tileh;

   449

}

   450

   451

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   452

{

   453

	/* not used */

   454

}

   455

   456

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   457

{

   458

	if (_map5[tile] == 0 && TilePixelHeight(tile) == 0)

   459

		td->str = STR_3804_WATER;

   460

	else if (_map5[tile] == 0)

   461

		td->str = STR_LANDINFO_CANAL;

   462

	else if (_map5[tile] == 1)

   463

		td->str = STR_3805_COAST_OR_RIVERBANK;

   464

	else if ((_map5[tile]&0xF0) == 0x10)

   465

		td->str = STR_LANDINFO_LOCK;

   466

	else

   467

		td->str = STR_3806_SHIP_DEPOT;

   468

   469

	td->owner = GetTileOwner(tile);

   470

}

   471

   472

static void AnimateTile_Water(TileIndex tile)

   473

{

   474

	/* not used */

   475

}

   476

   477

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

   478

{

   479

	TileIndex target = TILE_ADD(tile, ToTileIndexDiff(offs[0]));

   480

   481

	// type of this tile mustn't be water already.

   482

	if (IsTileType(target, MP_WATER))

   483

		return;

   484

   485

	if (TileHeight(TILE_ADD(tile, ToTileIndexDiff(offs[1]))) != 0 ||

   486

			TileHeight(TILE_ADD(tile, ToTileIndexDiff(offs[2]))) != 0)

   487

		return;

   488

   489

	if (TileHeight(TILE_ADD(tile, ToTileIndexDiff(offs[3]))) != 0 ||

   490

			TileHeight(TILE_ADD(tile, ToTileIndexDiff(offs[4]))) != 0) {

   491

		// make coast..

   492

		switch (GetTileType(target)) {

   493

			case MP_RAILWAY: {

   494

				uint slope = GetTileSlope(target, NULL);

   495

				byte tracks = _map5[target] & 0x3F;

   496

				if (!(

   497

						(slope == 1 && tracks == 0x20) ||

   498

						(slope == 2 && tracks == 0x04) ||

   499

						(slope == 4 && tracks == 0x10) ||

   500

						(slope == 8 && tracks == 0x08)))

   501

					break;

   502

			}

   503

			/* FALLTHROUGH */

   504

   505

			case MP_CLEAR:

   506