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"

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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"

    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,

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	SPR_SHORE_TILEH_4,

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	0,

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	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,

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	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

		_last_built_ship_depot_tile = 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);

    86

		MarkTileDirtyByTile(tile);

    87

		MarkTileDirtyByTile(tile2);

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	}

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    90

	return cost + _price.build_ship_depot;

    91

}

    92

    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

		DoDeleteDepot(tile2 < tile ? tile2 : tile);

   108

   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

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

   126

	if (CmdFailed(ret)) return CMD_ERROR;

   127

   128

	delta = TileOffsByDir(dir);

   129

	// lower tile

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

   131

	if (CmdFailed(ret)) return CMD_ERROR;

   132

	if (GetTileSlope(tile - delta, NULL)) return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   133

   134

	// upper tile

   135

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

   136

	if (CmdFailed(ret)) return CMD_ERROR;

   137

	if (GetTileSlope(tile + delta, NULL)) return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   138

   139

	if (flags & DC_EXEC) {

   140

		MakeLock(tile, dir);

   141

		MarkTileDirtyByTile(tile);

   142

		MarkTileDirtyByTile(tile - delta);

   143

		MarkTileDirtyByTile(tile + delta);

   144

	}

   145

   146

	return _price.clear_water * 22 >> 3;

   147

}

   148

   149

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   150

{

   151

	TileIndexDiff delta = TileOffsByDir(GetLockDirection(tile));

   152

   153

	// make sure no vehicle is on the tile.

   154

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

   155

		return CMD_ERROR;

   156

   157

	if (flags & DC_EXEC) {

   158

		DoClearSquare(tile);

   159

		DoClearSquare(tile + delta);

   160

		DoClearSquare(tile - delta);

   161

	}

   162

   163

	return _price.clear_water * 2;

   164

}

   165

   166

static void MarkTilesAroundDirty(TileIndex tile)

   167

{

   168

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

   169

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

   170

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

   171

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

   172

}

   173

   174

/** 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

   178

 */

   179

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

   180

{

   181

	DiagDirection dir;

   182

   183

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   184

   185

	switch (GetTileSlope(tile, NULL)) {

   186

		case  3: dir = DIAGDIR_SW; break;

   187

		case  6: dir = DIAGDIR_SE; break;

   188

		case  9: dir = DIAGDIR_NW; break;

   189

		case 12: dir = DIAGDIR_NE; break;

   190

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   191

	}

   192

	return DoBuildShiplift(tile, dir, flags);

   193

}

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   195

/** 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 unused

   199

 */

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

   201

{

   202

	int32 cost;

   203

	int size_x, size_y;

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	int x;

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	int y;

   206

	int sx, sy;

   207

   208

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

   209

   210

	x = TileX(tile);

   211

	y = TileY(tile);

   212

	sx = TileX(p1);

   213

	sy = TileY(p1);

   214

   215

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   216

   217

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

   218

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

   219

	size_x = (x - sx) + 1;

   220

	size_y = (y - sy) + 1;

   221

   222

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

   223

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

   224

   225

	cost = 0;

   226

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

   227

		if (GetTileSlope(tile, NULL) != 0) return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   228

   229

		// can't make water of water!

   230

		if (IsTileType(tile, MP_WATER)) continue;

   231

   232

		/* is middle piece of a bridge? */

   233

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

   234

			if (IsTransportUnderBridge(tile)) {

   235

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   236

			}

   237

   238

			if (IsWaterUnderBridge(tile)) return_cmd_error(STR_1007_ALREADY_BUILT);

   239

   240

			if (flags & DC_EXEC) SetWaterUnderBridge(tile);

   241

		} else {

   242

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

   243

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

   244

   245

			if (CmdFailed(ret)) return ret;

   246

			cost += ret;

   247

   248

			if (flags & DC_EXEC) MakeWater(tile);

   249

		}

   250

   251

		if (flags & DC_EXEC) {

   252

			MarkTileDirtyByTile(tile);

   253

			MarkTilesAroundDirty(tile);

   254

		}

   255

   256

		cost += _price.clear_water;

   257

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

   258

   259

	if (cost == 0) {

   260

		return_cmd_error(STR_1007_ALREADY_BUILT);

   261

	} else {

   262

		return cost;

   263

	}

   264

}

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   266

static int32 ClearTile_Water(TileIndex tile, byte flags)

   267

{

   268

	switch (GetWaterTileType(tile)) {

   269

		case WATER_CLEAR:

   270

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   271

   272

			// Make sure no vehicle is on the tile

   273

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   274

   275

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

   276

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

   277

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

   278

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   279

			}

   280

   281

			if (flags & DC_EXEC) DoClearSquare(tile);

   282

			return _price.clear_water;

   283

   284

		case WATER_COAST: {

   285

			uint slope = GetTileSlope(tile, NULL);

   286

   287

			// Make sure no vehicle is on the tile

   288

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   289

   290

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

   291

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

   292

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

   293

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   294

			}

   295

   296

			if (flags & DC_EXEC) DoClearSquare(tile);

   297

			if (slope == 8 || slope == 4 || slope == 2 || slope == 1) {

   298

				return _price.clear_water;

   299

			} else {

   300

				return _price.purchase_land;

   301

			}

   302

		}

   303

   304

		case WATER_LOCK: {

   305

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   306

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

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

   308

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

   309

			};

   310

   311

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   312

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   313

			// move to the middle tile..

   314

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

   315

		}

   316

   317

		case WATER_DEPOT:

   318

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   319

   320

			return RemoveShipDepot(tile, flags);

   321

   322

		default:

   323

			NOT_REACHED();

   324

			return 0;

   325

	}

   326

}

   327

   328

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

   329

static bool IsWateredTile(TileIndex tile)

   330

{

   331

	switch (GetTileType(tile)) {

   332

		case MP_WATER:

   333

			return !IsCoast(tile);

   334

   335

		case MP_STATION:

   336

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

   337

   338

		case MP_TUNNELBRIDGE:

   339

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

   340

   341

		default:

   342

			return false;

   343

	}

   344

}

   345

   346

// draw a canal styled water tile with dikes around

   347

void DrawCanalWater(TileIndex tile)

   348

{

   349

	uint wa;

   350

   351

	// determine the edges around with water.

   352

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

   353

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

   354

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

   355

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

   356

   357

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

   358

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

   359

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

   360

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

   361

   362

	// right corner

   363

	switch (wa & 0x03) {

   364

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

   365

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

   366

	}

   367

   368

	// bottom corner

   369

	switch (wa & 0x06) {

   370

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

   371

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

   372

	}

   373

   374

	// left corner

   375

	switch (wa & 0x0C) {

   376

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

   377

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

   378

	}

   379

   380

	// upper corner

   381

	switch (wa & 0x09) {

   382

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

   383

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

   384

	}

   385

}

   386

   387

typedef struct LocksDrawTileStruct {

   388

	int8 delta_x, delta_y, delta_z;

   389

	byte width, height, depth;

   390

	SpriteID image;

   391

} LocksDrawTileStruct;

   392

   393

#include "table/water_land.h"

   394

   395

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

   396

	uint32 palette, uint base

   397

)

   398

{

   399

	DrawGroundSprite(wdts++->image);

   400

   401

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

   402

		uint32 image = wdts->image + base;

   403

		if (_display_opt & DO_TRANS_BUILDINGS) {

   404

			MAKE_TRANSPARENT(image);

   405

		} else {

   406

			image |= palette;

   407

		}

   408

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

   409

	}

   410

}

   411

   412

static void DrawTile_Water(TileInfo *ti)

   413

{

   414

	switch (GetWaterTileType(ti->tile)) {

   415

		case WATER_CLEAR:

   416

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   417

			if (ti->z != 0) DrawCanalWater(ti->tile);

   418

			break;

   419

   420

		case WATER_COAST:

   421

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

   422

			DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   423

			break;

   424

   425

		case WATER_LOCK: {

   426

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

   427

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

   428

		} break;

   429

   430

		case WATER_DEPOT:

   431

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

   432

			break;

   433

	}

   434

}

   435

   436

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

   437

{

   438

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   439

   440

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

   441

   442

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

   443

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

   444

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

   445

	}

   446

}

   447

   448

   449

static uint GetSlopeZ_Water(const TileInfo* ti)

   450

{

   451

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

   452

}

   453

   454

static uint GetSlopeTileh_Water(TileIndex tile, uint tileh)

   455

{

   456

	return tileh;

   457

}

   458

   459

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   460

{

   461

	/* not used */

   462

}

   463

   464

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   465

{

   466

	switch (GetWaterTileType(tile)) {

   467

		case WATER_CLEAR:

   468

			if (TilePixelHeight(tile) == 0) {

   469

				td->str = STR_3804_WATER;

   470

			} else {

   471

				td->str = STR_LANDINFO_CANAL;

   472

			}

   473

			break;

   474

		case WATER_COAST: td->str = STR_3805_COAST_OR_RIVERBANK; break;

   475

		case WATER_LOCK : td->str = STR_LANDINFO_LOCK; break;

   476

		case WATER_DEPOT: td->str = STR_3806_SHIP_DEPOT; break;

   477

		default: assert(0); break;

   478

	}

   479

   480

	td->owner = GetTileOwner(tile);

   481

}

   482

   483

static void AnimateTile_Water(TileIndex tile)

   484

{

   485

	/* not used */

   486

}

   487

   488

static void TileLoopWaterHelper(TileIndex tile, const TileIndexDiffC *offs)

   489

{

   490

	TileIndex target = TILE_ADD(tile, ToTileIndexDiff(offs[0]));

   491

   492

	// type of this tile mustn't be water already.