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"

    11

#include "tile.h"

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#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"

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#include "depot.h"

    19

#include "vehicle_gui.h"

    20

#include "train.h"

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#include "water_map.h"

    22

    23

const SpriteID _water_shore_sprites[15] = {

    24

	0,

    25

	SPR_SHORE_TILEH_1,

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	SPR_SHORE_TILEH_2,

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	SPR_SHORE_TILEH_3,

    28

	SPR_SHORE_TILEH_4,

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	0,

    30

	SPR_SHORE_TILEH_6,

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	0,

    32

	SPR_SHORE_TILEH_8,

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	SPR_SHORE_TILEH_9,

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	0,

    35

	0,

    36

	SPR_SHORE_TILEH_12,

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	0,

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	0

    39

};

    40

    41

    42

static void FloodVehicle(Vehicle *v);

    43

    44

/** Build a ship depot.

    45

 * @param tile tile where ship depot is built

    46

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

    47

 * @param p2 unused

    48

 */

    49

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

    50

{

    51

	TileIndex tile2;

    52

    53

	int32 cost, ret;

    54

	Depot *depot;

    55

    56

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    57

    58

	if (p1 > 1) return CMD_ERROR;

    59

    60

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    61

    62

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

    63

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    64

    65

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

    66

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    67

    68

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

    69

	if (CmdFailed(ret)) return CMD_ERROR;

    70

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

    71

	if (CmdFailed(ret)) return CMD_ERROR;

    72

    73

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

    74

	cost = 0;

    75

    76

	depot = AllocateDepot();

    77

	if (depot == NULL) return CMD_ERROR;

    78

    79

	if (flags & DC_EXEC) {

    80

		depot->xy = tile;

    81

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

    82

    83

		MakeShipDepot(tile,_current_player, DEPOT_NORTH, p1);

    84

		MakeShipDepot(tile2,_current_player, DEPOT_SOUTH, p1);

    85

		MarkTileDirtyByTile(tile);

    86

		MarkTileDirtyByTile(tile2);

    87

	}

    88

    89

	return cost + _price.build_ship_depot;

    90

}

    91

    92

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

    93

{

    94

	TileIndex tile2;

    95

    96

	if (!IsShipDepot(tile)) return CMD_ERROR;

    97

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

    98

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    99

   100

	tile2 = GetOtherShipDepotTile(tile);

   101

   102

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   103

   104

	if (flags & DC_EXEC) {

   105

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

   106

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

   107

   108

		MakeWater(tile);

   109

		MakeWater(tile2);

   110

		MarkTileDirtyByTile(tile);

   111

		MarkTileDirtyByTile(tile2);

   112

	}

   113

   114

	return _price.remove_ship_depot;

   115

}

   116

   117

// build a shiplift

   118

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

   119

{

   120

	int32 ret;

   121

	int delta;

   122

   123

	// middle tile

   124

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

   125

	if (CmdFailed(ret)) return CMD_ERROR;

   126

   127

	delta = TileOffsByDiagDir(dir);

   128

	// lower tile

   129

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

   130

	if (CmdFailed(ret)) return CMD_ERROR;

   131

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

   132

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   133

	}

   134

   135

	// upper tile

   136

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

   137

	if (CmdFailed(ret)) return CMD_ERROR;

   138

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

   139

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   140

	}

   141

   142

	if (flags & DC_EXEC) {

   143

		MakeLock(tile, _current_player, dir);

   144

		MarkTileDirtyByTile(tile);

   145

		MarkTileDirtyByTile(tile - delta);

   146

		MarkTileDirtyByTile(tile + delta);

   147

	}

   148

   149

	return _price.clear_water * 22 >> 3;

   150

}

   151

   152

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   153

{

   154

	TileIndexDiff delta = TileOffsByDiagDir(GetLockDirection(tile));

   155

   156

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   157

   158

	// make sure no vehicle is on the tile.

   159

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

   160

		return CMD_ERROR;

   161

   162

	if (flags & DC_EXEC) {

   163

		DoClearSquare(tile);

   164

		DoClearSquare(tile + delta);

   165

		DoClearSquare(tile - delta);

   166

	}

   167

   168

	return _price.clear_water * 2;

   169

}

   170

   171

static void MarkTilesAroundDirty(TileIndex tile)

   172

{

   173

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

   174

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

   175

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

   176

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

   177

}

   178

   179

/** Builds a lock (ship-lift)

   180

 * @param tile tile where to place the lock

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 * @param p1 unused

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 * @param p2 unused

   183

 */

   184

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

   185

{

   186

	DiagDirection dir;

   187

   188

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   189

   190

	switch (GetTileSlope(tile, NULL)) {

   191

		case SLOPE_SW: dir = DIAGDIR_SW; break;

   192

		case SLOPE_SE: dir = DIAGDIR_SE; break;

   193

		case SLOPE_NW: dir = DIAGDIR_NW; break;

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		case SLOPE_NE: dir = DIAGDIR_NE; break;

   195

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   196

	}

   197

	return DoBuildShiplift(tile, dir, flags);

   198

}

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   200

/** Build a piece of canal.

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 * @param tile end tile of stretch-dragging

   202

 * @param p1 start tile of stretch-dragging

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

   204

 */

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

   206

{

   207

	int32 cost;

   208

	int size_x, size_y;

   209

	int x;

   210

	int y;

   211

	int sx, sy;

   212

   213

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

   214

   215

	x = TileX(tile);

   216

	y = TileY(tile);

   217

	sx = TileX(p1);

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	sy = TileY(p1);

   219

   220

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   221

   222

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

   223

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

   224

	size_x = (x - sx) + 1;

   225

	size_y = (y - sy) + 1;

   226

   227

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

   228

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

   229

   230

	cost = 0;

   231

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

   232

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

   233

			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   234

		}

   235

   236

		// can't make water of water!

   237

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

   238

   239

		/* is middle piece of a bridge? */

   240

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

   241

			if (IsTransportUnderBridge(tile)) {

   242

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   243

			}

   244

   245

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

   246

   247

			if (flags & DC_EXEC) {

   248

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

   249

					SetWaterUnderBridge(tile);

   250

				} else {

   251

					SetCanalUnderBridge(tile, _current_player);

   252

				}

   253

			}

   254

		} else {

   255

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

   256

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

   257

   258

			if (CmdFailed(ret)) return ret;

   259

			cost += ret;

   260

   261

			if (flags & DC_EXEC) {

   262

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

   263

					MakeWater(tile);

   264

				} else {

   265

					MakeCanal(tile, _current_player);

   266

				}

   267

			}

   268

		}

   269

   270

		if (flags & DC_EXEC) {

   271

			MarkTileDirtyByTile(tile);

   272

			MarkTilesAroundDirty(tile);

   273

		}

   274

   275

		cost += _price.clear_water;

   276

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

   277

   278

	if (cost == 0) {

   279

		return_cmd_error(STR_1007_ALREADY_BUILT);

   280

	} else {

   281

		return cost;

   282

	}

   283

}

   284

   285

static int32 ClearTile_Water(TileIndex tile, byte flags)

   286

{

   287

	switch (GetWaterTileType(tile)) {

   288

		case WATER_CLEAR:

   289

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   290

   291

			// Make sure no vehicle is on the tile

   292

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   293

   294

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

   295

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

   296

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

   297

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   298

			}

   299

   300

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

   301

   302

			if (flags & DC_EXEC) DoClearSquare(tile);

   303

			return _price.clear_water;

   304

   305

		case WATER_COAST: {

   306

			Slope slope = GetTileSlope(tile, NULL);

   307

   308

			// Make sure no vehicle is on the tile

   309

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   310

   311

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

   312

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

   313

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

   314

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   315

			}

   316

   317

			if (flags & DC_EXEC) DoClearSquare(tile);

   318

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

   319

				return _price.clear_water;

   320

			} else {

   321

				return _price.purchase_land;

   322

			}

   323

		}

   324

   325

		case WATER_LOCK: {

   326

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   327

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

   328

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

   329

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

   330

			};

   331

   332

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   333

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   334

			// move to the middle tile..

   335

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

   336

		}

   337

   338

		case WATER_DEPOT:

   339

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   340

			return RemoveShipDepot(tile, flags);

   341

   342

		default:

   343

			NOT_REACHED();

   344

			return 0;

   345

	}

   346

   347

	return 0; // useless but silences warning

   348

}

   349

   350

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

   351

static bool IsWateredTile(TileIndex tile)

   352

{

   353

	switch (GetTileType(tile)) {

   354

		case MP_WATER:

   355

			if (!IsCoast(tile)) return true;

   356

   357

			switch (GetTileSlope(tile, NULL)) {

   358

				case SLOPE_W:

   359

				case SLOPE_S:

   360

				case SLOPE_E:

   361

				case SLOPE_N:

   362

					return true;

   363

   364

				default:

   365

					return false;

   366

			}

   367

   368

		case MP_STATION:

   369

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

   370

   371

		case MP_TUNNELBRIDGE:

   372

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

   373

   374

		default:

   375

			return false;

   376

	}

   377

}

   378

   379

// draw a canal styled water tile with dikes around

   380

void DrawCanalWater(TileIndex tile)

   381

{

   382

	uint wa;

   383

   384

	// determine the edges around with water.

   385

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

   386

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

   387

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

   388

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

   389

   390

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

   391

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

   392

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

   393

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

   394

   395

	// right corner

   396

	switch (wa & 0x03) {

   397

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

   398

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

   399

	}

   400

   401

	// bottom corner

   402

	switch (wa & 0x06) {

   403

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

   404

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

   405

	}

   406

   407

	// left corner

   408

	switch (wa & 0x0C) {

   409

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

   410

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

   411

	}

   412

   413

	// upper corner

   414

	switch (wa & 0x09) {

   415

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

   416

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

   417

	}

   418

}

   419

   420

typedef struct LocksDrawTileStruct {

   421

	int8 delta_x, delta_y, delta_z;

   422

	byte width, height, depth;

   423

	SpriteID image;

   424

} LocksDrawTileStruct;

   425

   426

#include "table/water_land.h"

   427

   428

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

   429

	uint32 palette, uint base

   430

)

   431

{

   432

	DrawGroundSprite(wdts++->image);

   433

   434

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

   435

		uint32 image = wdts->image + base;

   436

		if (_display_opt & DO_TRANS_BUILDINGS) {

   437

			MAKE_TRANSPARENT(image);

   438

		} else {

   439

			image |= palette;

   440

		}

   441

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

   442

	}

   443

}

   444

   445

static void DrawTile_Water(TileInfo *ti)

   446

{

   447

	switch (GetWaterTileType(ti->tile)) {

   448

		case WATER_CLEAR:

   449

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   450

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

   451

			break;

   452

   453

		case WATER_COAST:

   454

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

   455

			DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   456

			break;

   457

   458

		case WATER_LOCK: {

   459

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

   460

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

   461

		} break;

   462

   463

		case WATER_DEPOT:

   464

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

   465

			break;

   466

	}

   467

}

   468

   469

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

   470

{

   471

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   472

   473

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

   474

   475

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

   476

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

   477

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

   478

	}

   479

}

   480

   481

   482

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

   483

{

   484

	uint z;

   485

	uint tileh = GetTileSlope(tile, &z);

   486

   487

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

   488

}

   489

   490

static Slope GetSlopeTileh_Water(TileIndex tile, Slope tileh)

   491

{