1

/* $Id$ */

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#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "bridge_map.h"

     6

#include "station_map.h"

     7

#include "table/sprites.h"

     8

#include "table/strings.h"

     9

#include "functions.h"

    10

#include "map.h"

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#include "tile.h"

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#include "vehicle.h"

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#include "viewport.h"

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#include "command.h"

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#include "town.h"

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#include "news.h"

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#include "sound.h"

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#include "depot.h"

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#include "vehicle_gui.h"

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#include "train.h"

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#include "water_map.h"

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#include "newgrf.h"

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#include "bridge.h"

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#include "airport.h"

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    26

const SpriteID _water_shore_sprites[15] = {

    27

	0,

    28

	SPR_SHORE_TILEH_1,

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	SPR_SHORE_TILEH_2,

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	SPR_SHORE_TILEH_3,

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	SPR_SHORE_TILEH_4,

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	0,

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	SPR_SHORE_TILEH_6,

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	0,

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	SPR_SHORE_TILEH_8,

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	SPR_SHORE_TILEH_9,

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	0,

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	0,

    39

	SPR_SHORE_TILEH_12,

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	0,

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	0

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};

    43

    44

    45

static Vehicle *FindFloodableVehicleOnTile(TileIndex tile);

    46

static void FloodVehicle(Vehicle *v);

    47

    48

/** Build a ship depot.

    49

 * @param tile tile where ship depot is built

    50

 * @param p1 depot direction (0 == X or 1 == Y)

    51

 * @param p2 unused

    52

 */

    53

int32 CmdBuildShipDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

    54

{

    55

	TileIndex tile2;

    56

    57

	int32 cost, ret;

    58

	Depot *depot;

    59

    60

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    61

    62

	if (p1 > 1) return CMD_ERROR;

    63

    64

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    65

    66

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

    67

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    68

    69

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

    70

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    71

    72

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

    73

	if (CmdFailed(ret)) return CMD_ERROR;

    74

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

    75

	if (CmdFailed(ret)) return CMD_ERROR;

    76

    77

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

    78

	cost = 0;

    79

    80

	depot = AllocateDepot();

    81

	if (depot == NULL) return CMD_ERROR;

    82

    83

	if (flags & DC_EXEC) {

    84

		depot->xy = tile;

    85

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

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    87

		MakeShipDepot(tile,_current_player, DEPOT_NORTH, p1);

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		MakeShipDepot(tile2,_current_player, DEPOT_SOUTH, p1);

    89

		MarkTileDirtyByTile(tile);

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		MarkTileDirtyByTile(tile2);

    91

	}

    92

    93

	return cost + _price.build_ship_depot;

    94

}

    95

    96

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

    97

{

    98

	TileIndex tile2;

    99

   100

	if (!IsShipDepot(tile)) return CMD_ERROR;

   101

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   102

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   103

   104

	tile2 = GetOtherShipDepotTile(tile);

   105

   106

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   107

   108

	if (flags & DC_EXEC) {

   109

		/* Kill the depot, which is registered at the northernmost tile. Use that one */

   110

		DeleteDepot(GetDepotByTile(tile2 < tile ? tile2 : tile));

   111

   112

		MakeWater(tile);

   113

		MakeWater(tile2);

   114

		MarkTileDirtyByTile(tile);

   115

		MarkTileDirtyByTile(tile2);

   116

	}

   117

   118

	return _price.remove_ship_depot;

   119

}

   120

   121

// build a shiplift

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

   123

{

   124

	int32 ret;

   125

	int delta;

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   127

	// middle tile

   128

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

   129

	if (CmdFailed(ret)) return CMD_ERROR;

   130

   131

	delta = TileOffsByDiagDir(dir);

   132

	// lower tile

   133

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

   134

	if (CmdFailed(ret)) return CMD_ERROR;

   135

	if (GetTileSlope(tile - delta, NULL) != SLOPE_FLAT) {

   136

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   137

	}

   138

   139

	// upper tile

   140

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

   141

	if (CmdFailed(ret)) return CMD_ERROR;

   142

	if (GetTileSlope(tile + delta, NULL) != SLOPE_FLAT) {

   143

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   144

	}

   145

   146

	if (flags & DC_EXEC) {

   147

		MakeLock(tile, _current_player, dir);

   148

		MarkTileDirtyByTile(tile);

   149

		MarkTileDirtyByTile(tile - delta);

   150

		MarkTileDirtyByTile(tile + delta);

   151

	}

   152

   153

	return _price.clear_water * 22 >> 3;

   154

}

   155

   156

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   157

{

   158

	TileIndexDiff delta = TileOffsByDiagDir(GetLockDirection(tile));

   159

   161

   162

	// make sure no vehicle is on the tile.

   163

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

   164

		return CMD_ERROR;

   165

   166

	if (flags & DC_EXEC) {

   167

		DoClearSquare(tile);

   168

		DoClearSquare(tile + delta);

   169

		DoClearSquare(tile - delta);

   170

	}

   171

   172

	return _price.clear_water * 2;

   173

}

   174

   175

static void MarkTilesAroundDirty(TileIndex tile)

   176

{

   177

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

   178

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

   179

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

   180

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

   181

}

   182

   183

/** Builds a lock (ship-lift)

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 * @param tile tile where to place the lock

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 * @param p1 unused

   186

 * @param p2 unused

   187

 */

   188

int32 CmdBuildLock(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

   189

{

   190

	DiagDirection dir;

   191

   192

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   193

   194

	switch (GetTileSlope(tile, NULL)) {

   195

		case SLOPE_SW: dir = DIAGDIR_SW; break;

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		case SLOPE_SE: dir = DIAGDIR_SE; break;

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		case SLOPE_NW: dir = DIAGDIR_NW; break;

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		case SLOPE_NE: dir = DIAGDIR_NE; break;

   199

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   200

	}

   201

	return DoBuildShiplift(tile, dir, flags);

   202

}

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   204

/** Build a piece of canal.

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 * @param tile end tile of stretch-dragging

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 * @param p1 start tile of stretch-dragging

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 * @param p2 ctrl pressed - toggles ocean / canals at sealevel (ocean only allowed in the scenario editor)

   208

 */

   209

int32 CmdBuildCanal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

   210

{

   211

	int32 cost;

   212

	int size_x, size_y;

   213

	int x;

   214

	int y;

   215

	int sx, sy;

   216

   217

	if (p1 >= MapSize()) return CMD_ERROR;

   218

	/* Outside of the editor you can only build canals, not oceans */

   219

	if (HASBIT(p2, 0) && _game_mode != GM_EDITOR) return CMD_ERROR;

   220

   221

	x = TileX(tile);

   222

	y = TileY(tile);

   223

	sx = TileX(p1);

   224

	sy = TileY(p1);

   225

   226

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

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   228

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

   229

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

   230

	size_x = (x - sx) + 1;

   231

	size_y = (y - sy) + 1;

   232

   233

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

   234

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

   235

   236

	cost = 0;

   237

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

   238

		if (GetTileSlope(tile, NULL) != SLOPE_FLAT) {

   239

			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   240

		}

   241

   242

		// can't make water of water!

   243

		if (IsTileType(tile, MP_WATER) && (!IsTileOwner(tile, OWNER_WATER) || HASBIT(p2, 0))) continue;

   244

   245

		/* is middle piece of a bridge? */

   246

		if (IsBridgeTile(tile) && IsBridgeMiddle(tile)) {

   247

			if (IsTransportUnderBridge(tile)) {

   248

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   249

			}

   250

   251

			if (IsWaterUnderBridge(tile) && (!IsTileOwner(tile, OWNER_WATER) || HASBIT(p2, 0))) return_cmd_error(STR_1007_ALREADY_BUILT);

   252

   253

			if (flags & DC_EXEC) {

   254

				if (TileHeight(tile) == 0 && HASBIT(p2, 0)) {

   255

					SetWaterUnderBridge(tile);

   256

				} else {

   257

					SetCanalUnderBridge(tile, _current_player);

   258

				}

   259

			}

   260

		} else {

   261

			/* no bridge, try to clear it. */

   262

			int32 ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);

   263

   264

			if (CmdFailed(ret)) return ret;

   265

			cost += ret;

   266

   267

			if (flags & DC_EXEC) {

   268

				if (TileHeight(tile) == 0 && HASBIT(p2, 0)) {

   269

					MakeWater(tile);

   270

				} else {

   271

					MakeCanal(tile, _current_player);

   272

				}

   273

			}

   274

		}

   275

   276

		if (flags & DC_EXEC) {

   277

			MarkTileDirtyByTile(tile);

   278

			MarkTilesAroundDirty(tile);

   279

		}

   280

   281

		cost += _price.clear_water;

   282

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

   283

   284

	if (cost == 0) {

   285

		return_cmd_error(STR_1007_ALREADY_BUILT);

   286

	} else {

   287

		return cost;

   288

	}

   289

}

   290

   291

static int32 ClearTile_Water(TileIndex tile, byte flags)

   292

{

   293

	switch (GetWaterTileType(tile)) {

   294

		case WATER_CLEAR:

   295

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   296

   297

			// Make sure no vehicle is on the tile

   298

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   299

   300

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

   301

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

   302

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

   303

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   304

			}

   305

   307

   308

			if (flags & DC_EXEC) DoClearSquare(tile);

   309

			return _price.clear_water;

   310

   311

		case WATER_COAST: {

   312

			Slope slope = GetTileSlope(tile, NULL);

   313

   314

			// Make sure no vehicle is on the tile

   315

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   316

   317

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

   318

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

   319

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

   320

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   321

			}

   322

   323

			if (flags & DC_EXEC) DoClearSquare(tile);

   324

			if (slope == SLOPE_N || slope == SLOPE_E || slope == SLOPE_S || slope == SLOPE_W) {

   325

				return _price.clear_water;

   326

			} else {

   327

				return _price.purchase_land;

   328

			}

   329

		}

   330

   331

		case WATER_LOCK: {

   332

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   333

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

   334

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

   335

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

   336

			};

   337

   338

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   339

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   340

			// move to the middle tile..

   341

			return RemoveShiplift(tile + ToTileIndexDiff(_shiplift_tomiddle_offs[GetSection(tile)]), flags);

   342

		}

   343

   344

		case WATER_DEPOT:

   345

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   346

			return RemoveShipDepot(tile, flags);

   347

   348

		default:

   349

			NOT_REACHED();

   350

			return 0;

   351

	}

   352

   353

	return 0; // useless but silences warning

   354

}

   355

   356

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

   357

static bool IsWateredTile(TileIndex tile)

   358

{

   359

	switch (GetTileType(tile)) {

   360

		case MP_WATER:

   361

			if (!IsCoast(tile)) return true;

   362

   363

			switch (GetTileSlope(tile, NULL)) {

   364

				case SLOPE_W:

   365

				case SLOPE_S:

   366

				case SLOPE_E:

   367

				case SLOPE_N:

   368

					return true;

   369

   370

				default:

   371

					return false;

   372

			}

   373

   374

		case MP_STATION:

   375

			return IsOilRig(tile) || IsDock(tile) || IsBuoy_(tile);

   376

   377

		case MP_TUNNELBRIDGE:

   378

			return IsBridge(tile) && IsBridgeMiddle(tile) && IsWaterUnderBridge(tile);

   379

   380

		default:

   381

			return false;

   382

	}

   383

}

   384

   385

// draw a canal styled water tile with dikes around

   386

void DrawCanalWater(TileIndex tile)

   387

{

   388

	uint wa;

   389

   390

	// determine the edges around with water.

   391

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

   392

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

   393

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

   394

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

   395

   396

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

   397

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

   398

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

   399

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

   400

   401

	// right corner

   402

	switch (wa & 0x03) {

   403

		case 0: DrawGroundSprite(SPR_CANALS_BASE + 57 + 4); break;

   404

		case 3: if (!IsWateredTile(TILE_ADDXY(tile, -1, 1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 8); break;

   405

	}

   406

   407

	// bottom corner

   408

	switch (wa & 0x06) {

   409

		case 0: DrawGroundSprite(SPR_CANALS_BASE + 57 + 5); break;

   410

		case 6: if (!IsWateredTile(TILE_ADDXY(tile, 1, 1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 9); break;

   411

	}

   412

   413

	// left corner

   414

	switch (wa & 0x0C) {

   415

		case  0: DrawGroundSprite(SPR_CANALS_BASE + 57 + 6); break;

   416

		case 12: if (!IsWateredTile(TILE_ADDXY(tile, 1, -1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 10); break;

   417

	}

   418

   419

	// upper corner

   420

	switch (wa & 0x09) {

   421

		case 0: DrawGroundSprite(SPR_CANALS_BASE + 57 + 7); break;

   422

		case 9: if (!IsWateredTile(TILE_ADDXY(tile, -1, -1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 11); break;

   423

	}

   424

}

   425

   426

typedef struct LocksDrawTileStruct {

   427

	int8 delta_x, delta_y, delta_z;

   428

	byte width, height, depth;

   429

	SpriteID image;

   430

} LocksDrawTileStruct;

   431

   432

#include "table/water_land.h"

   433

   434

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

   435

	uint32 palette, uint base

   436

)

   437

{

   438

	DrawGroundSprite(wdts++->image);

   439

   440

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

   441

		uint32 image = wdts->image + base;

   442

		if (_display_opt & DO_TRANS_BUILDINGS) {

   443

			MAKE_TRANSPARENT(image);

   444

		} else {

   445

			image |= palette;

   446

		}

   447

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

   448

	}

   449

}

   450

   451

static void DrawTile_Water(TileInfo *ti)

   452

{

   453

	switch (GetWaterTileType(ti->tile)) {

   454

		case WATER_CLEAR:

   455

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   456

			if (ti->z != 0 || !IsTileOwner(ti->tile, OWNER_WATER)) DrawCanalWater(ti->tile);

   457

			break;

   458

   459

		case WATER_COAST:

   460

			assert(!IsSteepSlope(ti->tileh));

   461

			if (_coast_base != 0) {

   462

				DrawGroundSprite(_coast_base + ti->tileh);

   463

			} else {

   464

				DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   465

			}

   466

			break;

   467

   468

		case WATER_LOCK: {

   469

			const WaterDrawTileStruct *t = _shiplift_display_seq[GetSection(ti->tile)];

   470

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

   471

		} break;

   472

   473

		case WATER_DEPOT:

   474

			DrawWaterStuff(ti, _shipdepot_display_seq[GetSection(ti->tile)], PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)), 0);

   475

			break;

   476

	}

   477

}

   478

   479

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

   480

{

   481

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   482

   483

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

   484

   485

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

   486

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

   487

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

   488

	}

   489

}

   490