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"

    16

#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

static const SpriteID _water_shore_sprites[] = {

    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,

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	0,

    31

	SPR_SHORE_TILEH_6,

    32

	0,

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	SPR_SHORE_TILEH_8,

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	SPR_SHORE_TILEH_9,

    35

	0,

    36

	0,

    37

	SPR_SHORE_TILEH_12,

    38

	0,

    39

	0

    40

};

    41

    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;

    53

    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

	if (IsBridgeAbove(tile) || IsBridgeAbove(tile2)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);

    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;

    85

    86

		MakeShipDepot(tile, _current_player, DEPOT_NORTH, (Axis)p1);

    87

		MakeShipDepot(tile2, _current_player, DEPOT_SOUTH, (Axis)p1);

    88

		MarkTileDirtyByTile(tile);

    89

		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 ((MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) ||

   146

	    (MayHaveBridgeAbove(tile - delta) && IsBridgeAbove(tile - delta)) ||

   147

	    (MayHaveBridgeAbove(tile + delta) && IsBridgeAbove(tile + delta))) {

   148

		return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);

   149

	}

   150

   151

	if (flags & DC_EXEC) {

   152

		MakeLock(tile, _current_player, dir);

   153

		MarkTileDirtyByTile(tile);

   154

		MarkTileDirtyByTile(tile - delta);

   155

		MarkTileDirtyByTile(tile + delta);

   156

	}

   157

   158

	return _price.clear_water * 22 >> 3;

   159

}

   160

   161

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   162

{

   163

	TileIndexDiff delta = TileOffsByDiagDir(GetLockDirection(tile));

   164

   165

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   166

   167

	// make sure no vehicle is on the tile.

   168

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

   169

		return CMD_ERROR;

   170

   171

	if (flags & DC_EXEC) {

   172

		DoClearSquare(tile);

   173

		DoClearSquare(tile + delta);

   174

		DoClearSquare(tile - delta);

   175

	}

   176

   177

	return _price.clear_water * 2;

   178

}

   179

   180

static void MarkTilesAroundDirty(TileIndex tile)

   181

{

   182

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

   183

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

   184

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

   185

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

   186

}

   187

   188

/** Builds a lock (ship-lift)

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 * @param tile tile where to place the lock

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 * @param p1 unused

   191

 * @param p2 unused

   192

 */

   193

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

   194

{

   195

	DiagDirection dir;

   196

   197

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   198

   199

	switch (GetTileSlope(tile, NULL)) {

   200

		case SLOPE_SW: dir = DIAGDIR_SW; break;

   201

		case SLOPE_SE: dir = DIAGDIR_SE; break;

   202

		case SLOPE_NW: dir = DIAGDIR_NW; break;

   203

		case SLOPE_NE: dir = DIAGDIR_NE; break;

   204

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   205

	}

   206

	return DoBuildShiplift(tile, dir, flags);

   207

}

   208

   209

/** Build a piece of canal.

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 * @param tile end tile of stretch-dragging

   211

 * @param p1 start tile of stretch-dragging

   212

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

   213

 */

   214

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

   215

{

   216

	int32 cost;

   217

	int size_x, size_y;

   218

	int x;

   219

	int y;

   220

	int sx, sy;

   221

   222

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

   223

   224

	x = TileX(tile);

   225

	y = TileY(tile);

   226

	sx = TileX(p1);

   227

	sy = TileY(p1);

   228

   229

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   230

   231

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

   232

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

   233

	size_x = (x - sx) + 1;

   234

	size_y = (y - sy) + 1;

   235

   236

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

   237

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

   238

   239

	cost = 0;

   240

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

   241

		int32 ret;

   242

   243

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

   244

			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   245

		}

   246

   247

		// can't make water of water!

   248

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

   249

   250

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

   251

		if (CmdFailed(ret)) return ret;

   252

		cost += ret;

   253

   254

		if (flags & DC_EXEC) {

   255

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

   256

				MakeWater(tile);

   257

			} else {

   258

				MakeCanal(tile, _current_player);

   259

			}

   260

			MarkTileDirtyByTile(tile);

   261

			MarkTilesAroundDirty(tile);

   262

		}

   263

   264

		cost += _price.clear_water;

   265

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

   266

   267

	if (cost == 0) {

   268

		return_cmd_error(STR_1007_ALREADY_BUILT);

   269

	} else {

   270

		return cost;

   271

	}

   272

}

   273

   274

static int32 ClearTile_Water(TileIndex tile, byte flags)

   275

{

   276

	switch (GetWaterTileType(tile)) {

   277

		case WATER_CLEAR:

   278

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   279

   280

			// Make sure no vehicle is on the tile

   281

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   282

   283

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

   284

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

   285

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

   286

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   287

			}

   288

   289

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

   290

   291

			if (flags & DC_EXEC) DoClearSquare(tile);

   292

			return _price.clear_water;

   293

   294

		case WATER_COAST: {

   295

			Slope slope = GetTileSlope(tile, NULL);

   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

   306

			if (flags & DC_EXEC) DoClearSquare(tile);

   307

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

   308

				return _price.clear_water;

   309

			} else {

   310

				return _price.purchase_land;

   311

			}

   312

		}

   313

   314

		case WATER_LOCK: {

   315

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   316

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

   317

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

   318

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

   319

			};

   320

   321

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   322

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   323

			// move to the middle tile..

   324

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

   325

		}

   326

   327

		case WATER_DEPOT:

   328

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   329

			return RemoveShipDepot(tile, flags);

   330

   331

		default:

   332

			NOT_REACHED();

   333

			return 0;

   334

	}

   335

   336

	return 0; // useless but silences warning

   337

}

   338

   339

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

   340

static bool IsWateredTile(TileIndex tile)

   341

{

   342

	switch (GetTileType(tile)) {

   343

		case MP_WATER:

   344

			if (!IsCoast(tile)) return true;

   345

   346

			switch (GetTileSlope(tile, NULL)) {

   347

				case SLOPE_W:

   348

				case SLOPE_S:

   349

				case SLOPE_E:

   350

				case SLOPE_N:

   351

					return true;

   352

   353

				default:

   354

					return false;

   355

			}

   356

   357

		case MP_STATION: return IsOilRig(tile) || IsDock(tile) || IsBuoy_(tile);

   358

		default:         return false;

   359

	}

   360

}

   361

   362

// draw a canal styled water tile with dikes around

   363

void DrawCanalWater(TileIndex tile)

   364

{

   365

	uint wa;

   366

   367

	// determine the edges around with water.

   368

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

   369

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

   370

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

   371

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

   372

   373

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

   374

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

   375

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

   376

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

   377

   378

	// right corner

   379

	switch (wa & 0x03) {

   380

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

   381

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

   382

	}

   383

   384

	// bottom corner

   385

	switch (wa & 0x06) {

   386

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

   387

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

   388

	}

   389

   390

	// left corner

   391

	switch (wa & 0x0C) {

   392

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

   393

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

   394

	}

   395

   396

	// upper corner

   397

	switch (wa & 0x09) {

   398

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

   399

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

   400

	}

   401

}

   402

   403

typedef struct LocksDrawTileStruct {

   404

	int8 delta_x, delta_y, delta_z;

   405

	byte width, height, depth;

   406

	SpriteID image;

   407

} LocksDrawTileStruct;

   408

   409

#include "table/water_land.h"

   410

   411

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

   412

	uint32 palette, uint base

   413

)

   414

{

   415

	DrawGroundSprite(wdts++->image);

   416

   417

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

   418

		uint32 image = wdts->image + base;

   419

		if (_display_opt & DO_TRANS_BUILDINGS) {

   420

			MAKE_TRANSPARENT(image);

   421

		} else {

   422

			image |= palette;

   423

		}

   424

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

   425

	}

   426

}

   427

   428

static void DrawTile_Water(TileInfo *ti)

   429

{

   430

	switch (GetWaterTileType(ti->tile)) {

   431

		case WATER_CLEAR:

   432

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   433

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

   434

			DrawBridgeMiddle(ti);

   435

			break;

   436

   437

		case WATER_COAST:

   438

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

   439

			if (_coast_base != 0) {

   440

				DrawGroundSprite(_coast_base + ti->tileh);

   441

			} else {

   442

				DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   443

			}

   444

			DrawBridgeMiddle(ti);

   445

			break;

   446

   447

		case WATER_LOCK: {

   448

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

   449

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

   450

		} break;

   451

   452

		case WATER_DEPOT:

   453

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

   454

			break;

   455

	}

   456

}

   457

   458

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

   459

{

   460

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   461

   462

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

   463

   464

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

   465

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

   466

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

   467

	}

   468

}

   469

   470

   471

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

   472

{

   473

	uint z;

   474

	Slope tileh = GetTileSlope(tile, &z);

   475

   476

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

   477

}

   478

   479

static Slope GetSlopeTileh_Water(TileIndex tile, Slope tileh)

   480

{

   481

	return tileh;

   482

}

   483

   484

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   485

{

   486

	/* not used */

   487

}

   488

   489

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   490

{

   491