1

/* $Id$ */

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#include "stdafx.h"

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#include "openttd.h"

     5

#include "bridge_map.h"

     6

#include "station_map.h"

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#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"

    23

    24

const SpriteID _water_shore_sprites[15] = {

    25

	0,

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	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,

    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,

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	0,

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	SPR_SHORE_TILEH_12,

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	0,

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	0

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};

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    42

    43

static void FloodVehicle(Vehicle *v);

    44

    45

/** Build a ship depot.

    46

 * @param tile tile where ship depot is built

    47

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

    48

 * @param p2 unused

    49

 */

    50

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

    51

{

    52

	TileIndex tile2;

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    54

	int32 cost, ret;

    55

	Depot *depot;

    56

    57

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    58

    59

	if (p1 > 1) return CMD_ERROR;

    60

    61

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    62

    63

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

    64

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    65

    66

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

    67

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    68

    69

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

    70

	if (CmdFailed(ret)) return CMD_ERROR;

    71

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

    72

	if (CmdFailed(ret)) return CMD_ERROR;

    73

    74

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

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	cost = 0;

    76

    77

	depot = AllocateDepot();

    78

	if (depot == NULL) return CMD_ERROR;

    79

    80

	if (flags & DC_EXEC) {

    81

		depot->xy = tile;

    82

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

    83

    84

		MakeShipDepot(tile,_current_player, DEPOT_NORTH, p1);

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		MakeShipDepot(tile2,_current_player, DEPOT_SOUTH, p1);

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		MarkTileDirtyByTile(tile);

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		MarkTileDirtyByTile(tile2);

    88

	}

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    90

	return cost + _price.build_ship_depot;

    91

}

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    93

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

    94

{

    95

	TileIndex tile2;

    96

    97

	if (!IsShipDepot(tile)) return CMD_ERROR;

    98

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

    99

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   100

   101

	tile2 = GetOtherShipDepotTile(tile);

   102

   103

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   104

   105

	if (flags & DC_EXEC) {

   106

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

   107

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

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   109

		MakeWater(tile);

   110

		MakeWater(tile2);

   111

		MarkTileDirtyByTile(tile);

   112

		MarkTileDirtyByTile(tile2);

   113

	}

   114

   115

	return _price.remove_ship_depot;

   116

}

   117

   118

// build a shiplift

   119

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

   120

{

   121

	int32 ret;

   122

	int delta;

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   124

	// middle tile

   125

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

   126

	if (CmdFailed(ret)) return CMD_ERROR;

   127

   128

	delta = TileOffsByDiagDir(dir);

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	// lower tile

   130

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

   131

	if (CmdFailed(ret)) return CMD_ERROR;

   132

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

   133

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   134

	}

   135

   136

	// upper tile

   137

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

   138

	if (CmdFailed(ret)) return CMD_ERROR;

   139

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

   140

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   141

	}

   142

   143

	if (flags & DC_EXEC) {

   144

		MakeLock(tile, _current_player, dir);

   145

		MarkTileDirtyByTile(tile);

   146

		MarkTileDirtyByTile(tile - delta);

   147

		MarkTileDirtyByTile(tile + delta);

   148

	}

   149

   150

	return _price.clear_water * 22 >> 3;

   151

}

   152

   153

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   154

{

   155

	TileIndexDiff delta = TileOffsByDiagDir(GetLockDirection(tile));

   156

   157

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   158

   159

	// make sure no vehicle is on the tile.

   160

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

   161

		return CMD_ERROR;

   162

   163

	if (flags & DC_EXEC) {

   164

		DoClearSquare(tile);

   165

		DoClearSquare(tile + delta);

   166

		DoClearSquare(tile - delta);

   167

	}

   168

   169

	return _price.clear_water * 2;

   170

}

   171

   172

static void MarkTilesAroundDirty(TileIndex tile)

   173

{

   174

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

   175

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

   176

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

   177

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

   178

}

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   180

/** 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

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 */

   185

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

   186

{

   187

	DiagDirection dir;

   188

   189

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   190

   191

	switch (GetTileSlope(tile, NULL)) {

   192

		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;

   196

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   197

	}

   198

	return DoBuildShiplift(tile, dir, flags);

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}

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   201

/** 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

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 */

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

   207

{

   208

	int32 cost;

   209

	int size_x, size_y;

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	int x;

   211

	int y;

   212

	int sx, sy;

   213

   214

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

   215

   216

	x = TileX(tile);

   217

	y = TileY(tile);

   218

	sx = TileX(p1);

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	sy = TileY(p1);

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   221

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

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   223

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

   224

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

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	size_x = (x - sx) + 1;

   226

	size_y = (y - sy) + 1;

   227

   228

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

   229

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

   230

   231

	cost = 0;

   232

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

   233

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

   234

			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   235

		}

   236

   237

		// can't make water of water!

   238

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

   239

   240

		/* is middle piece of a bridge? */

   241

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

   242

			if (IsTransportUnderBridge(tile)) {

   243

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   244

			}

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   246

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

   247

   248

			if (flags & DC_EXEC) {

   249

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

   250

					SetWaterUnderBridge(tile);

   251

				} else {

   252

					SetCanalUnderBridge(tile, _current_player);

   253

				}

   254

			}

   255

		} else {

   256

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

   257

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

   258

   259

			if (CmdFailed(ret)) return ret;

   260

			cost += ret;

   261

   262

			if (flags & DC_EXEC) {

   263

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

   264

					MakeWater(tile);

   265

				} else {

   266

					MakeCanal(tile, _current_player);

   267

				}

   268

			}

   269

		}

   270

   271

		if (flags & DC_EXEC) {

   272

			MarkTileDirtyByTile(tile);

   273

			MarkTilesAroundDirty(tile);

   274

		}

   275

   276

		cost += _price.clear_water;

   277

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

   278

   279

	if (cost == 0) {

   280

		return_cmd_error(STR_1007_ALREADY_BUILT);

   281

	} else {

   282

		return cost;

   283

	}

   284

}

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   286

static int32 ClearTile_Water(TileIndex tile, byte flags)

   287

{

   288

	switch (GetWaterTileType(tile)) {

   289

		case WATER_CLEAR:

   290

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   291

   292

			// Make sure no vehicle is on the tile

   293

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   294

   295

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

   296

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

   297

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

   298

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   299

			}

   300

   301

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

   302

   303

			if (flags & DC_EXEC) DoClearSquare(tile);

   304

			return _price.clear_water;

   305

   306

		case WATER_COAST: {

   307

			Slope slope = GetTileSlope(tile, NULL);

   308

   309

			// Make sure no vehicle is on the tile

   310

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   311

   312

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

   313

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

   314

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

   315

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   316

			}

   317

   318

			if (flags & DC_EXEC) DoClearSquare(tile);

   319

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

   320

				return _price.clear_water;

   321

			} else {

   322

				return _price.purchase_land;

   323

			}

   324

		}

   325

   326

		case WATER_LOCK: {

   327

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   328

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

   329

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

   330

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

   331

			};

   332

   333

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   334

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   335

			// move to the middle tile..

   336

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

   337

		}

   338

   339

		case WATER_DEPOT:

   340

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   341

			return RemoveShipDepot(tile, flags);

   342

   343

		default:

   344

			NOT_REACHED();

   345

			return 0;

   346

	}

   347

   348

	return 0; // useless but silences warning

   349

}

   350

   351

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

   352

static bool IsWateredTile(TileIndex tile)

   353

{

   354

	switch (GetTileType(tile)) {

   355

		case MP_WATER:

   356

			if (!IsCoast(tile)) return true;

   357

   358

			switch (GetTileSlope(tile, NULL)) {

   359

				case SLOPE_W:

   360

				case SLOPE_S:

   361

				case SLOPE_E:

   362

				case SLOPE_N:

   363

					return true;

   364

   365

				default:

   366

					return false;

   367

			}

   368

   369

		case MP_STATION:

   370

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

   371

   372

		case MP_TUNNELBRIDGE:

   373

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

   374

   375

		default:

   376

			return false;

   377

	}

   378

}

   379

   380

// draw a canal styled water tile with dikes around

   381

void DrawCanalWater(TileIndex tile)

   382

{

   383

	uint wa;

   384

   385

	// determine the edges around with water.

   386

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

   387

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

   388

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

   389

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

   390

   391

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

   392

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

   393

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

   394

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

   395

   396

	// right corner

   397

	switch (wa & 0x03) {

   398

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

   399

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

   400

	}

   401

   402

	// bottom corner

   403

	switch (wa & 0x06) {

   404

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

   405

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

   406

	}

   407

   408

	// left corner

   409

	switch (wa & 0x0C) {

   410

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

   411

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

   412

	}

   413

   414

	// upper corner

   415

	switch (wa & 0x09) {

   416

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

   417

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

   418

	}

   419

}

   420

   421

typedef struct LocksDrawTileStruct {

   422

	int8 delta_x, delta_y, delta_z;

   423

	byte width, height, depth;

   424

	SpriteID image;

   425

} LocksDrawTileStruct;

   426

   427

#include "table/water_land.h"

   428

   429

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

   430

	uint32 palette, uint base

   431

)

   432

{

   433

	DrawGroundSprite(wdts++->image);

   434

   435

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

   436

		uint32 image = wdts->image + base;

   437

		if (_display_opt & DO_TRANS_BUILDINGS) {

   438

			MAKE_TRANSPARENT(image);

   439

		} else {

   440

			image |= palette;

   441

		}

   442

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

   443

	}

   444

}

   445

   446

static void DrawTile_Water(TileInfo *ti)

   447

{

   448

	switch (GetWaterTileType(ti->tile)) {

   449

		case WATER_CLEAR:

   450

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   451

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

   452

			break;

   453

   454

		case WATER_COAST:

   455

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

   461

			break;

   462

   463

		case WATER_LOCK: {

   464

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

   465

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

   466

		} break;

   467

   468

		case WATER_DEPOT:

   469

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

   470

			break;

   471

	}

   472

}

   473

   474

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

   475

{

   476

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   477

   478

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

   479

   480

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

   481

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

   482

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

   483

	}

   484

}

   485

   486

   487

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

   488

{

   489

	uint z;

   490

	uint tileh = GetTileSlope(tile, &z);

   491