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"

    15

#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

    23

const SpriteID _water_shore_sprites[15] = {

    24

	0,

    25

	SPR_SHORE_TILEH_1,

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	SPR_SHORE_TILEH_2,

    27

	SPR_SHORE_TILEH_3,

    28

	SPR_SHORE_TILEH_4,

    29

	0,

    30

	SPR_SHORE_TILEH_6,

    31

	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,

    38

	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);

    85

		MakeShipDepot(tile2,_current_player, DEPOT_SOUTH, p1);

    86

		MarkTileDirtyByTile(tile);

    87

		MarkTileDirtyByTile(tile2);

    88

	}

    89

    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;

   123

   124

	// middle tile

   125

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

   126

	if (CmdFailed(ret)) return CMD_ERROR;

   127

   128

	delta = TileOffsByDir(dir);

   129

	// 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, 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 = TileOffsByDir(GetLockDirection(tile));

   156

   157

	// make sure no vehicle is on the tile.

   158

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

   159

		return CMD_ERROR;

   160

   161

	if (flags & DC_EXEC) {

   162

		DoClearSquare(tile);

   163

		DoClearSquare(tile + delta);

   164

		DoClearSquare(tile - delta);

   165

	}

   166

   167

	return _price.clear_water * 2;

   168

}

   169

   170

static void MarkTilesAroundDirty(TileIndex tile)

   171

{

   172

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

   173

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

   174

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

   175

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

   176

}

   177

   178

/** Builds a lock (ship-lift)

   179

 * @param tile tile where to place the lock

   180

 * @param p1 unused

   181

 * @param p2 unused

   182

 */

   183

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

   184

{

   185

	DiagDirection dir;

   186

   187

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   188

   189

	switch (GetTileSlope(tile, NULL)) {

   190

		case SLOPE_SW: dir = DIAGDIR_SW; break;

   191

		case SLOPE_SE: dir = DIAGDIR_SE; break;

   192

		case SLOPE_NW: dir = DIAGDIR_NW; break;

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		case SLOPE_NE: dir = DIAGDIR_NE; break;

   194

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   195

	}

   196

	return DoBuildShiplift(tile, dir, flags);

   197

}

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   199

/** 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

   203

 */

   204

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

   205

{

   206

	int32 cost;

   207

	int size_x, size_y;

   208

	int x;

   209

	int y;

   210

	int sx, sy;

   211

   212

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

   213

   214

	x = TileX(tile);

   215

	y = TileY(tile);

   216

	sx = TileX(p1);

   217

	sy = TileY(p1);

   218

   219

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   220

   221

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

   222

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

   223

	size_x = (x - sx) + 1;

   224

	size_y = (y - sy) + 1;

   225

   226

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

   227

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

   228

   229

	cost = 0;

   230

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

   231

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

   232

			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   233

		}

   234

   235

		// can't make water of water!

   236

		if (IsTileType(tile, MP_WATER)) continue;

   237

   238

		/* is middle piece of a bridge? */

   239

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

   240

			if (IsTransportUnderBridge(tile)) {

   241

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   242

			}

   243

   244

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

   245

   246

			if (flags & DC_EXEC) SetWaterUnderBridge(tile);

   247

		} else {

   248

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

   249

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

   250

   251

			if (CmdFailed(ret)) return ret;

   252

			cost += ret;

   253

   254

			if (flags & DC_EXEC) MakeWater(tile);

   255

		}

   256

   257

		if (flags & DC_EXEC) {

   258

			MarkTileDirtyByTile(tile);

   259

			MarkTilesAroundDirty(tile);

   260

		}

   261

   262

		cost += _price.clear_water;

   263

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

   264

   265

	if (cost == 0) {

   266

		return_cmd_error(STR_1007_ALREADY_BUILT);

   267

	} else {

   268

		return cost;

   269

	}

   270

}

   271

   272

static int32 ClearTile_Water(TileIndex tile, byte flags)

   273

{

   274

	switch (GetWaterTileType(tile)) {

   275

		case WATER_CLEAR:

   276

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   277

   278

			// Make sure no vehicle is on the tile

   279

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   280

   281

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

   282

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

   283

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

   284

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   285

			}

   286

   287

			if (flags & DC_EXEC) DoClearSquare(tile);

   288

			return _price.clear_water;

   289

   290

		case WATER_COAST: {

   291

			Slope slope = GetTileSlope(tile, NULL);

   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 (flags & DC_EXEC) DoClearSquare(tile);

   303

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

   304

				return _price.clear_water;

   305

			} else {

   306

				return _price.purchase_land;

   307

			}

   308

		}

   309

   310

		case WATER_LOCK: {

   311

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   312

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

   313

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

   314

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

   315

			};

   316

   317

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   318

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   319

			// move to the middle tile..

   320

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

   321

		}

   322

   323

		case WATER_DEPOT:

   324

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   325

   326

			return RemoveShipDepot(tile, flags);

   327

   328

		default:

   329

			NOT_REACHED();

   330

			return 0;

   331

	}

   332

}

   333

   334

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

   335

static bool IsWateredTile(TileIndex tile)

   336

{

   337

	switch (GetTileType(tile)) {

   338

		case MP_WATER:

   339

			return !IsCoast(tile);

   340

   341

		case MP_STATION:

   342

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

   343

   344

		case MP_TUNNELBRIDGE:

   345

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

   346

   347

		default:

   348

			return false;

   349

	}

   350

}

   351

   352

// draw a canal styled water tile with dikes around

   353

void DrawCanalWater(TileIndex tile)

   354

{

   355

	uint wa;

   356

   357

	// determine the edges around with water.

   358

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

   359

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

   360

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

   361

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

   362

   363

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

   364

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

   365

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

   366

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

   367

   368

	// right corner

   369

	switch (wa & 0x03) {

   370

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

   371

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

   372

	}

   373

   374

	// bottom corner

   375

	switch (wa & 0x06) {

   376

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

   377

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

   378

	}

   379

   380

	// left corner

   381

	switch (wa & 0x0C) {

   382

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

   383

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

   384

	}

   385

   386

	// upper corner

   387

	switch (wa & 0x09) {

   388

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

   389

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

   390

	}

   391

}

   392

   393

typedef struct LocksDrawTileStruct {

   394

	int8 delta_x, delta_y, delta_z;

   395

	byte width, height, depth;

   396

	SpriteID image;

   397

} LocksDrawTileStruct;

   398

   399

#include "table/water_land.h"

   400

   401

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

   402

	uint32 palette, uint base

   403

)

   404

{

   405

	DrawGroundSprite(wdts++->image);

   406

   407

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

   408

		uint32 image = wdts->image + base;

   409

		if (_display_opt & DO_TRANS_BUILDINGS) {

   410

			MAKE_TRANSPARENT(image);

   411

		} else {

   412

			image |= palette;

   413

		}

   414

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

   415

	}

   416

}

   417

   418

static void DrawTile_Water(TileInfo *ti)

   419

{

   420

	switch (GetWaterTileType(ti->tile)) {

   421

		case WATER_CLEAR:

   422

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   423

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

   424

			break;

   425

   426

		case WATER_COAST:

   427

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

   428

			DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   429

			break;

   430

   431

		case WATER_LOCK: {

   432

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

   433

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

   434

		} break;

   435

   436

		case WATER_DEPOT:

   437

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

   438

			break;

   439

	}

   440

}

   441

   442

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

   443

{

   444

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   445

   446

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

   447

   448

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

   449

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

   450

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

   451

	}

   452

}

   453

   454

   455

static uint GetSlopeZ_Water(const TileInfo* ti)

   456

{

   457

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

   458

}

   459

   460

static Slope GetSlopeTileh_Water(TileIndex tile, Slope tileh)

   461

{

   462

	return tileh;

   463

}

   464

   465

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   466

{

   467

	/* not used */

   468

}

   469

   470

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   471

{

   472

	switch (GetWaterTileType(tile)) {

   473

		case WATER_CLEAR:

   474

			if (TilePixelHeight(tile) == 0) {

   475

				td->str = STR_3804_WATER;

   476

			} else {

   477

				td->str = STR_LANDINFO_CANAL;

   478

			}

   479

			break;

   480

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

   481

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

   482

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

   483

		default: assert(0); break;

   484

	}

   485

   486

	td->owner = GetTileOwner(tile);

   487

}

   488

   489

static void AnimateTile_Water(TileIndex tile)

   490

{

   491

	/* not used */