1

/* $Id$ */

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#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "bridge_map.h"

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#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"

    21

#include "water_map.h"

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#include "newgrf.h"

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#include "bridge.h"

    24

    25

const SpriteID _water_shore_sprites[15] = {

    26

	0,

    27

	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,

    32

	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,

    37

	0,

    38

	SPR_SHORE_TILEH_12,

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	0,

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	0

    41

};

    42

    43

    44

static Vehicle *FindFloodableVehicleOnTile(TileIndex tile);

    45

static void FloodVehicle(Vehicle *v);

    46

    47

/** Build a ship depot.

    48

 * @param tile tile where ship depot is built

    49

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

    50

 * @param p2 unused

    51

 */

    52

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

    53

{

    54

	TileIndex tile2;

    55

    56

	int32 cost, ret;

    57

	Depot *depot;

    58

    59

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    60

    61

	if (p1 > 1) return CMD_ERROR;

    62

    63

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    64

    65

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

    66

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    67

    68

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

    69

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    70

    71

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

    72

	if (CmdFailed(ret)) return CMD_ERROR;

    73

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

    74

	if (CmdFailed(ret)) return CMD_ERROR;

    75

    76

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

    77

	cost = 0;

    78

    79

	depot = AllocateDepot();

    80

	if (depot == NULL) return CMD_ERROR;

    81

    82

	if (flags & DC_EXEC) {

    83

		depot->xy = tile;

    84

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

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    86

		MakeShipDepot(tile,_current_player, DEPOT_NORTH, p1);

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		MakeShipDepot(tile2,_current_player, DEPOT_SOUTH, p1);

    88

		MarkTileDirtyByTile(tile);

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		MarkTileDirtyByTile(tile2);

    90

	}

    91

    92

	return cost + _price.build_ship_depot;

    93

}

    94

    95

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

    96

{

    97

	TileIndex tile2;

    98

    99

	if (!IsShipDepot(tile)) return CMD_ERROR;

   100

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   101

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   102

   103

	tile2 = GetOtherShipDepotTile(tile);

   104

   105

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   106

   107

	if (flags & DC_EXEC) {

   108

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

   109

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

   110

   111

		MakeWater(tile);

   112

		MakeWater(tile2);

   113

		MarkTileDirtyByTile(tile);

   114

		MarkTileDirtyByTile(tile2);

   115

	}

   116

   117

	return _price.remove_ship_depot;

   118

}

   119

   120

// build a shiplift

   121

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

   122

{

   123

	int32 ret;

   124

	int delta;

   125

   126

	// middle tile

   127

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

   128

	if (CmdFailed(ret)) return CMD_ERROR;

   129

   130

	delta = TileOffsByDiagDir(dir);

   131

	// lower tile

   132

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

   133

	if (CmdFailed(ret)) return CMD_ERROR;

   134

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

   135

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   136

	}

   137

   138

	// upper tile

   139

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

   140

	if (CmdFailed(ret)) return CMD_ERROR;

   141

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

   142

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   143

	}

   144

   145

	if (flags & DC_EXEC) {

   146

		MakeLock(tile, _current_player, dir);

   147

		MarkTileDirtyByTile(tile);

   148

		MarkTileDirtyByTile(tile - delta);

   149

		MarkTileDirtyByTile(tile + delta);

   150

	}

   151

   152

	return _price.clear_water * 22 >> 3;

   153

}

   154

   155

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   156

{

   157

	TileIndexDiff delta = TileOffsByDiagDir(GetLockDirection(tile));

   158

   159

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   160

   161

	// make sure no vehicle is on the tile.

   162

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

   163

		return CMD_ERROR;

   164

   165

	if (flags & DC_EXEC) {

   166

		DoClearSquare(tile);

   167

		DoClearSquare(tile + delta);

   168

		DoClearSquare(tile - delta);

   169

	}

   170

   171

	return _price.clear_water * 2;

   172

}

   173

   174

static void MarkTilesAroundDirty(TileIndex tile)

   175

{

   176

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

   177

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

   178

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

   179

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

   180

}

   181

   182

/** Builds a lock (ship-lift)

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 * @param tile tile where to place the lock

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 * @param p1 unused

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 * @param p2 unused

   186

 */

   187

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

   188

{

   189

	DiagDirection dir;

   190

   191

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   192

   193

	switch (GetTileSlope(tile, NULL)) {

   194

		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;

   198

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   199

	}

   200

	return DoBuildShiplift(tile, dir, flags);

   201

}

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   203

/** 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

   207

 */

   208

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

   209

{

   210

	int32 cost;

   211

	int size_x, size_y;

   212

	int x;

   213

	int y;

   214

	int sx, sy;

   215

   216

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

   219

   220

	x = TileX(tile);

   221

	y = TileY(tile);

   222

	sx = TileX(p1);

   223

	sy = TileY(p1);

   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

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

   238

			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   239

		}

   240

   241

		// can't make water of water!

   242

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

   243

   244

		/* is middle piece of a bridge? */

   245

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

   246

			if (IsTransportUnderBridge(tile)) {

   247

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   248

			}

   249

   250

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

   251

   252

			if (flags & DC_EXEC) {

   253

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

   254

					SetWaterUnderBridge(tile);

   255

				} else {

   256

					SetCanalUnderBridge(tile, _current_player);

   257

				}

   258

			}

   259

		} else {

   260

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

   261

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

   262

   263

			if (CmdFailed(ret)) return ret;

   264

			cost += ret;

   265

   266

			if (flags & DC_EXEC) {

   267

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

   268

					MakeWater(tile);

   269

				} else {

   270

					MakeCanal(tile, _current_player);

   271

				}

   272

			}

   273

		}

   274

   275

		if (flags & DC_EXEC) {

   276

			MarkTileDirtyByTile(tile);

   277

			MarkTilesAroundDirty(tile);

   278

		}

   279

   280

		cost += _price.clear_water;

   281

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

   282

   283

	if (cost == 0) {

   284

		return_cmd_error(STR_1007_ALREADY_BUILT);

   285

	} else {

   286

		return cost;

   287

	}

   288

}

   289

   290

static int32 ClearTile_Water(TileIndex tile, byte flags)

   291

{

   292

	switch (GetWaterTileType(tile)) {

   293

		case WATER_CLEAR:

   294

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   295

   296

			// Make sure no vehicle is on the tile

   297

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   298

   299

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

   300

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

   301

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

   302

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   303

			}

   304

   305

			if (GetTileOwner(tile) != OWNER_WATER && !CheckTileOwnership(tile)) return CMD_ERROR;

   306

   307

			if (flags & DC_EXEC) DoClearSquare(tile);

   308

			return _price.clear_water;

   309

   310

		case WATER_COAST: {

   311

			Slope slope = GetTileSlope(tile, NULL);

   312

   313

			// Make sure no vehicle is on the tile

   314

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   315

   316

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

   317

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

   318

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

   319

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   320

			}

   321

   322

			if (flags & DC_EXEC) DoClearSquare(tile);

   323

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

   324

				return _price.clear_water;

   325

			} else {

   326

				return _price.purchase_land;

   327

			}

   328

		}

   329

   330

		case WATER_LOCK: {

   331

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   332

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

   333

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

   334

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

   335

			};

   336

   337

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   338

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   339

			// move to the middle tile..

   340

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

   341

		}

   342

   343

		case WATER_DEPOT:

   344

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   345

			return RemoveShipDepot(tile, flags);

   346

   347

		default:

   348

			NOT_REACHED();

   349

			return 0;

   350

	}

   351

   352

	return 0; // useless but silences warning

   353

}

   354

   355

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

   356

static bool IsWateredTile(TileIndex tile)

   357

{

   358

	switch (GetTileType(tile)) {

   359

		case MP_WATER:

   360

			if (!IsCoast(tile)) return true;

   361

   362

			switch (GetTileSlope(tile, NULL)) {

   363

				case SLOPE_W:

   364

				case SLOPE_S:

   365

				case SLOPE_E:

   366

				case SLOPE_N:

   367

					return true;

   368

   369

				default:

   370

					return false;

   371

			}

   372

   373

		case MP_STATION:

   374

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

   375

   376

		case MP_TUNNELBRIDGE:

   377

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

   378

   379

		default:

   380

			return false;

   381

	}

   382

}

   383

   384

// draw a canal styled water tile with dikes around

   385

void DrawCanalWater(TileIndex tile)

   386

{

   387

	uint wa;

   388

   389

	// determine the edges around with water.

   390

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

   391

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

   392

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

   393

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

   394

   395

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

   396

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

   397

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

   398

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

   399

   400

	// right corner

   401

	switch (wa & 0x03) {

   402

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

   403

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

   404

	}

   405

   406

	// bottom corner

   407

	switch (wa & 0x06) {

   408

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

   409

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

   410

	}

   411

   412

	// left corner

   413

	switch (wa & 0x0C) {

   414

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

   415

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

   416

	}

   417

   418

	// upper corner

   419

	switch (wa & 0x09) {

   420

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

   421

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

   422

	}

   423

}

   424

   425

typedef struct LocksDrawTileStruct {

   426

	int8 delta_x, delta_y, delta_z;

   427

	byte width, height, depth;

   428

	SpriteID image;

   429

} LocksDrawTileStruct;

   430

   431

#include "table/water_land.h"

   432

   433

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

   434

	uint32 palette, uint base

   435

)

   436

{

   437

	DrawGroundSprite(wdts++->image);

   438

   439

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

   440

		uint32 image = wdts->image + base;

   441

		if (_display_opt & DO_TRANS_BUILDINGS) {

   442

			MAKE_TRANSPARENT(image);

   443

		} else {

   444

			image |= palette;

   445

		}

   446

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

   447

	}

   448

}

   449

   450

static void DrawTile_Water(TileInfo *ti)

   451

{

   452

	switch (GetWaterTileType(ti->tile)) {

   453

		case WATER_CLEAR:

   454

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   455

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

   456

			break;

   457

   458

		case WATER_COAST:

   459

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

   460

			if (_coast_base != 0) {

   461

				DrawGroundSprite(_coast_base + ti->tileh);

   462

			} else {

   463

				DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   464

			}

   465

			break;

   466

   467

		case WATER_LOCK: {

   468

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

   469

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

   470

		} break;

   471

   472

		case WATER_DEPOT:

   473

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

   474

			break;

   475

	}

   476

}

   477

   478

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

   479

{

   480

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   481

   482

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

   483

   484

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

   485

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

   486

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

   487

	}

   488

}

   489

   490

   491

static uint GetSlopeZ_Water(TileIndex tile, uint x, uint y)