1

/* $Id$ */

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     3

#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"

    11

#include "tile.h"

    12

#include "vehicle.h"

    13

#include "viewport.h"

    14

#include "command.h"

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#include "town.h"

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#include "news.h"

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#include "sound.h"

    18

#include "depot.h"

    19

#include "vehicle_gui.h"

    20

#include "train.h"

    21

#include "water_map.h"

    22

#include "newgrf.h"

    23

    24

const SpriteID _water_shore_sprites[15] = {

    25

	0,

    26

	SPR_SHORE_TILEH_1,

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	SPR_SHORE_TILEH_2,

    28

	SPR_SHORE_TILEH_3,

    29

	SPR_SHORE_TILEH_4,

    30

	0,

    31

	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,

    36

	0,

    37

	SPR_SHORE_TILEH_12,

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	0,

    39

	0

    40

};

    41

    42

    44

static void FloodVehicle(Vehicle *v);

    45

    46

/** Build a ship depot.

    47

 * @param tile tile where ship depot is built

    48

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

    49

 * @param p2 unused

    50

 */

    51

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

    52

{

    53

	TileIndex tile2;

    54

    55

	int32 cost, ret;

    56

	Depot *depot;

    57

    58

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    59

    60

	if (p1 > 1) return CMD_ERROR;

    61

    62

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    63

    64

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

    65

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    66

    67

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

    68

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    69

    70

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

    71

	if (CmdFailed(ret)) return CMD_ERROR;

    72

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

    73

	if (CmdFailed(ret)) return CMD_ERROR;

    74

    75

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

    76

	cost = 0;

    77

    78

	depot = AllocateDepot();

    79

	if (depot == NULL) return CMD_ERROR;

    80

    81

	if (flags & DC_EXEC) {

    82

		depot->xy = tile;

    83

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

    84

    85

		MakeShipDepot(tile,_current_player, DEPOT_NORTH, p1);

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		MakeShipDepot(tile2,_current_player, DEPOT_SOUTH, p1);

    87

		MarkTileDirtyByTile(tile);

    88

		MarkTileDirtyByTile(tile2);

    89

	}

    90

    91

	return cost + _price.build_ship_depot;

    92

}

    93

    94

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

    95

{

    96

	TileIndex tile2;

    97

    98

	if (!IsShipDepot(tile)) return CMD_ERROR;

    99

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   100

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   101

   102

	tile2 = GetOtherShipDepotTile(tile);

   103

   104

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   105

   106

	if (flags & DC_EXEC) {

   107

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

   108

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

   109

   110

		MakeWater(tile);

   111

		MakeWater(tile2);

   112

		MarkTileDirtyByTile(tile);

   113

		MarkTileDirtyByTile(tile2);

   114

	}

   115

   116

	return _price.remove_ship_depot;

   117

}

   118

   119

// build a shiplift

   120

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

   121

{

   122

	int32 ret;

   123

	int delta;

   124

   125

	// middle tile

   126

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

   127

	if (CmdFailed(ret)) return CMD_ERROR;

   128

   129

	delta = TileOffsByDiagDir(dir);

   130

	// lower tile

   131

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

   132

	if (CmdFailed(ret)) return CMD_ERROR;

   133

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

   134

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   135

	}

   136

   137

	// upper tile

   138

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

   139

	if (CmdFailed(ret)) return CMD_ERROR;

   140

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

   141

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   142

	}

   143

   144

	if (flags & DC_EXEC) {

   145

		MakeLock(tile, _current_player, dir);

   146

		MarkTileDirtyByTile(tile);

   147

		MarkTileDirtyByTile(tile - delta);

   148

		MarkTileDirtyByTile(tile + delta);

   149

	}

   150

   151

	return _price.clear_water * 22 >> 3;

   152

}

   153

   154

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   155

{

   156

	TileIndexDiff delta = TileOffsByDiagDir(GetLockDirection(tile));

   157

   158

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   159

   160

	// make sure no vehicle is on the tile.

   161

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

   162

		return CMD_ERROR;

   163

   164

	if (flags & DC_EXEC) {

   165

		DoClearSquare(tile);

   166

		DoClearSquare(tile + delta);

   167

		DoClearSquare(tile - delta);

   168

	}

   169

   170

	return _price.clear_water * 2;

   171

}

   172

   173

static void MarkTilesAroundDirty(TileIndex tile)

   174

{

   175

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

   176

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

   177

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

   178

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

   179

}

   180

   181

/** Builds a lock (ship-lift)

   182

 * @param tile tile where to place the lock

   183

 * @param p1 unused

   184

 * @param p2 unused

   185

 */

   186

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

   187

{

   188

	DiagDirection dir;

   189

   190

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   191

   192

	switch (GetTileSlope(tile, NULL)) {

   193

		case SLOPE_SW: dir = DIAGDIR_SW; break;

   194

		case SLOPE_SE: dir = DIAGDIR_SE; break;

   195

		case SLOPE_NW: dir = DIAGDIR_NW; break;

   196

		case SLOPE_NE: dir = DIAGDIR_NE; break;

   197

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   198

	}

   199

	return DoBuildShiplift(tile, dir, flags);

   200

}

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   202

/** Build a piece of canal.

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 * @param tile end tile of stretch-dragging

   204

 * @param p1 start tile of stretch-dragging

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 * @param p2 ctrl pressed - toggles ocean / canals at sealevel

   206

 */

   207

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

   208

{

   209

	int32 cost;

   210

	int size_x, size_y;

   211

	int x;

   212

	int y;

   213

	int sx, sy;

   214

   215

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

   216

   217

	x = TileX(tile);

   218

	y = TileY(tile);

   219

	sx = TileX(p1);

   220

	sy = TileY(p1);

   221

   222

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   223

   224

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

   225

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

   226

	size_x = (x - sx) + 1;

   227

	size_y = (y - sy) + 1;

   228

   229

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

   230

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

   231

   232

	cost = 0;

   233

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

   234

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

   235

			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   236

		}

   237

   238

		// can't make water of water!

   239

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

   240

   241

		/* is middle piece of a bridge? */

   242

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

   243

			if (IsTransportUnderBridge(tile)) {

   244

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   245

			}

   246

   247

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

   248

   249

			if (flags & DC_EXEC) {

   250

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

   251

					SetWaterUnderBridge(tile);

   252

				} else {

   253

					SetCanalUnderBridge(tile, _current_player);

   254

				}

   255

			}

   256

		} else {

   257

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

   258

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

   259

   260

			if (CmdFailed(ret)) return ret;

   261

			cost += ret;

   262

   263

			if (flags & DC_EXEC) {

   264

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

   265

					MakeWater(tile);

   266

				} else {

   267

					MakeCanal(tile, _current_player);

   268

				}

   269

			}

   270

		}

   271

   272

		if (flags & DC_EXEC) {

   273

			MarkTileDirtyByTile(tile);

   274

			MarkTilesAroundDirty(tile);

   275

		}

   276

   277

		cost += _price.clear_water;

   278

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

   279

   280

	if (cost == 0) {

   281

		return_cmd_error(STR_1007_ALREADY_BUILT);

   282

	} else {

   283

		return cost;

   284

	}

   285

}

   286

   287

static int32 ClearTile_Water(TileIndex tile, byte flags)

   288

{

   289

	switch (GetWaterTileType(tile)) {

   290

		case WATER_CLEAR:

   291

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   292

   293

			// Make sure no vehicle is on the tile

   294

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   295

   296

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

   297

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

   298

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

   299

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   300

			}

   301

   302

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

   303

   304

			if (flags & DC_EXEC) DoClearSquare(tile);

   305

			return _price.clear_water;

   306

   307

		case WATER_COAST: {

   308

			Slope slope = GetTileSlope(tile, NULL);

   309

   310

			// Make sure no vehicle is on the tile

   311

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   312

   313

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

   314

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

   315

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

   316

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   317

			}

   318

   319

			if (flags & DC_EXEC) DoClearSquare(tile);

   320

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

   321

				return _price.clear_water;

   322

			} else {

   323

				return _price.purchase_land;

   324

			}

   325

		}

   326

   327

		case WATER_LOCK: {

   328

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   329

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

   330

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

   331

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

   332

			};

   333

   334

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   335

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   336

			// move to the middle tile..

   337

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

   338

		}

   339

   340

		case WATER_DEPOT:

   341

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   342

			return RemoveShipDepot(tile, flags);

   343

   344

		default:

   345

			NOT_REACHED();

   346

			return 0;

   347

	}

   348

   349

	return 0; // useless but silences warning

   350

}

   351

   352

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

   353

static bool IsWateredTile(TileIndex tile)

   354

{

   355

	switch (GetTileType(tile)) {

   356

		case MP_WATER:

   357

			if (!IsCoast(tile)) return true;

   358

   359

			switch (GetTileSlope(tile, NULL)) {

   360

				case SLOPE_W:

   361

				case SLOPE_S:

   362

				case SLOPE_E:

   363

				case SLOPE_N:

   364

					return true;

   365

   366

				default:

   367

					return false;

   368

			}

   369

   370

		case MP_STATION:

   371

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

   372

   373

		case MP_TUNNELBRIDGE:

   374

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

   375

   376

		default:

   377

			return false;

   378

	}

   379

}

   380

   381

// draw a canal styled water tile with dikes around

   382

void DrawCanalWater(TileIndex tile)

   383

{

   384

	uint wa;

   385

   386

	// determine the edges around with water.

   387

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

   388

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

   389

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

   390

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

   391

   392

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

   393

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

   394

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

   395

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

   396

   397

	// right corner

   398

	switch (wa & 0x03) {

   399

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

   400

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

   401

	}

   402

   403

	// bottom corner

   404

	switch (wa & 0x06) {

   405

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

   406

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

   407

	}

   408

   409

	// left corner

   410

	switch (wa & 0x0C) {

   411

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

   412

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

   413

	}

   414

   415

	// upper corner

   416

	switch (wa & 0x09) {

   417

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

   418

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

   419

	}

   420

}

   421

   422

typedef struct LocksDrawTileStruct {

   423

	int8 delta_x, delta_y, delta_z;

   424

	byte width, height, depth;

   425

	SpriteID image;

   426

} LocksDrawTileStruct;

   427

   428

#include "table/water_land.h"

   429

   430

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

   431

	uint32 palette, uint base

   432

)

   433

{

   434

	DrawGroundSprite(wdts++->image);

   435

   436

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

   437

		uint32 image = wdts->image + base;

   438

		if (_display_opt & DO_TRANS_BUILDINGS) {

   439

			MAKE_TRANSPARENT(image);

   440

		} else {

   441

			image |= palette;

   442

		}

   443

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

   444

	}

   445

}

   446

   447

static void DrawTile_Water(TileInfo *ti)

   448

{

   449

	switch (GetWaterTileType(ti->tile)) {

   450

		case WATER_CLEAR:

   451

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   452

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

   453

			break;

   454

   455

		case WATER_COAST:

   456

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

   457

			if (_coast_base != 0) {

   458

				DrawGroundSprite(_coast_base + ti->tileh);

   459

			} else {

   460

				DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   461

			}

   462

			break;

   463

   464

		case WATER_LOCK: {

   465

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

   466

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

   467

		} break;

   468

   469

		case WATER_DEPOT:

   470

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

   471

			break;

   472

	}

   473

}

   474

   475

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

   476

{

   477

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   478

   479

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

   480

   481

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

   482

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

   483

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

   484

	}

   485

}

   486

   487

   488

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

   489

{

   490

	uint z;

   491

	uint tileh = GetTileSlope(tile, &z);