1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "bridge_map.h"

     6

#include "cmd_helper.h"

     7

#include "station_map.h"

     8

#include "table/sprites.h"

     9

#include "table/strings.h"

    10

#include "functions.h"

    11

#include "map.h"

    12

#include "tile.h"

    13

#include "vehicle.h"

    14

#include "viewport.h"

    15

#include "command.h"

    16

#include "town.h"

    17

#include "news.h"

    18

#include "sound.h"

    19

#include "depot.h"

    20

#include "vehicle_gui.h"

    21

#include "train.h"

    22

#include "water_map.h"

    23

#include "newgrf.h"

    24

    25

static const SpriteID _water_shore_sprites[] = {

    26

	0,

    27

	SPR_SHORE_TILEH_1,

    28

	SPR_SHORE_TILEH_2,

    29

	SPR_SHORE_TILEH_3,

    30

	SPR_SHORE_TILEH_4,

    31

	0,

    32

	SPR_SHORE_TILEH_6,

    33

	0,

    34

	SPR_SHORE_TILEH_8,

    35

	SPR_SHORE_TILEH_9,

    36

	0,

    37

	0,

    38

	SPR_SHORE_TILEH_12,

    39

	0,

    40

	0

    41

};

    42

    43

    44

static Vehicle *FindFloodableVehicleOnTile(TileIndex tile);

    45

static void FloodVehicle(Vehicle *v);

    46

    47

/** Build a ship depot.

    48

 * @param tile tile where ship depot is built

    49

 * @param p1 bit 0 depot orientation (Axis)

    50

 * @param p2 unused

    51

 */

    52

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

    53

{

    54

	TileIndex tile2;

    55

    56

	int32 cost, ret;

    57

	Depot *depot;

    58

    59

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    60

    61

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    62

    63

	Axis axis = Extract<Axis, 0>(p1);

    64

    65

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

    66

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    67

    68

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

    69

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    70

    71

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

    72

    73

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

    74

	if (CmdFailed(ret)) return CMD_ERROR;

    75

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

    76

	if (CmdFailed(ret)) return CMD_ERROR;

    77

    78

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

    79

	cost = 0;

    80

    81

	depot = AllocateDepot();

    82

	if (depot == NULL) return CMD_ERROR;

    83

    84

	if (flags & DC_EXEC) {

    85

		depot->xy = tile;

    86

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

    87

    88

		MakeShipDepot(tile,  _current_player, DEPOT_NORTH, axis);

    89

		MakeShipDepot(tile2, _current_player, DEPOT_SOUTH, axis);

    90

		MarkTileDirtyByTile(tile);

    91

		MarkTileDirtyByTile(tile2);

    92

	}

    93

    94

	return cost + _price.build_ship_depot;

    95

}

    96

    97

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

    98

{

    99

	TileIndex tile2;

   100

   101

	if (!IsShipDepot(tile)) return CMD_ERROR;

   102

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   103

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   104

   105

	tile2 = GetOtherShipDepotTile(tile);

   106

   107

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   108

   109

	if (flags & DC_EXEC) {

   110

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

   111

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

   112

   113

		MakeWater(tile);

   114

		MakeWater(tile2);

   115

		MarkTileDirtyByTile(tile);

   116

		MarkTileDirtyByTile(tile2);

   117

	}

   118

   119

	return _price.remove_ship_depot;

   120

}

   121

   122

// build a shiplift

   123

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

   124

{

   125

	int32 ret;

   126

	int delta;

   127

   128

	// middle tile

   129

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

   130

	if (CmdFailed(ret)) return CMD_ERROR;

   131

   132

	delta = TileOffsByDiagDir(dir);

   133

	// lower tile

   134

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

   135

	if (CmdFailed(ret)) return CMD_ERROR;

   136

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

   137

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   138

	}

   139

   140

	// upper tile

   141

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

   142

	if (CmdFailed(ret)) return CMD_ERROR;

   143

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

   144

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   145

	}

   146

   147

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

   148

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

   149

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

   150

		return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);

   151

	}

   152

   153

	if (flags & DC_EXEC) {

   154

		MakeLock(tile, _current_player, dir);

   155

		MarkTileDirtyByTile(tile);

   156

		MarkTileDirtyByTile(tile - delta);

   157

		MarkTileDirtyByTile(tile + delta);

   158

	}

   159

   160

	return _price.clear_water * 22 >> 3;

   161

}

   162

   163

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   164

{

   165

	TileIndexDiff delta = TileOffsByDiagDir(GetLockDirection(tile));

   166

   167

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   168

   169

	// make sure no vehicle is on the tile.

   170

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

   171

		return CMD_ERROR;

   172

   173

	if (flags & DC_EXEC) {

   174

		DoClearSquare(tile);

   175

		DoClearSquare(tile + delta);

   176

		DoClearSquare(tile - delta);

   177

	}

   178

   179

	return _price.clear_water * 2;

   180

}

   181

   182

static void MarkTilesAroundDirty(TileIndex tile)

   183

{

   184

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

   185

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

   186

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

   187

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

   188

}

   189

   190

/** Builds a lock (ship-lift)

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 * @param tile tile where to place the lock

   192

 * @param p1 unused

   193

 * @param p2 unused

   194

 */

   195

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

   196

{

   197

	DiagDirection dir;

   198

   199

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   200

   201

	switch (GetTileSlope(tile, NULL)) {

   202

		case SLOPE_SW: dir = DIAGDIR_SW; break;

   203

		case SLOPE_SE: dir = DIAGDIR_SE; break;

   204

		case SLOPE_NW: dir = DIAGDIR_NW; break;

   205

		case SLOPE_NE: dir = DIAGDIR_NE; break;

   206

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   207

	}

   208

	return DoBuildShiplift(tile, dir, flags);

   209

}

   210

   211

/** Build a piece of canal.

   212

 * @param tile end tile of stretch-dragging

   213

 * @param p1 start tile of stretch-dragging

   214

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

   215

 */

   216

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

   217

{

   218

	int32 cost;

   219

	int size_x, size_y;

   220

	int x;

   221

	int y;

   222

	int sx, sy;

   223

   224

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

   225

   226

	x = TileX(tile);

   227

	y = TileY(tile);

   228

	sx = TileX(p1);

   229

	sy = TileY(p1);

   230

   231

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   232

   233

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

   234

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

   235

	size_x = (x - sx) + 1;

   236

	size_y = (y - sy) + 1;

   237

   238

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

   239

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

   240

   241

	cost = 0;

   242

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

   243

		int32 ret;

   244

   245

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

   246

			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   247

		}

   248

   249

		// can't make water of water!

   250

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

   251

   252

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

   253

		if (CmdFailed(ret)) return ret;

   254

		cost += ret;

   255

   256

		if (flags & DC_EXEC) {

   257

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

   258

				MakeWater(tile);

   259

			} else {

   260

				MakeCanal(tile, _current_player);

   261

			}

   262

			MarkTileDirtyByTile(tile);

   263

			MarkTilesAroundDirty(tile);

   264

		}

   265

   266

		cost += _price.clear_water;

   267

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

   268

   269

	if (cost == 0) {

   270

		return_cmd_error(STR_1007_ALREADY_BUILT);

   271

	} else {

   272

		return cost;

   273

	}

   274

}

   275

   276

static int32 ClearTile_Water(TileIndex tile, byte flags)

   277

{

   278

	switch (GetWaterTileType(tile)) {

   279

		case WATER_CLEAR:

   280

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   281

   282

			// Make sure no vehicle is on the tile

   283

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   284

   285

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

   286

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

   287

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

   288

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   289

			}

   290

   291

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

   292

   293

			if (flags & DC_EXEC) DoClearSquare(tile);

   294

			return _price.clear_water;

   295

   296

		case WATER_COAST: {

   297

			Slope slope = GetTileSlope(tile, NULL);

   298

   299

			// Make sure no vehicle is on the tile

   300

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   301

   302

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

   303

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

   304

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

   305

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   306

			}

   307

   308

			if (flags & DC_EXEC) DoClearSquare(tile);

   309

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

   310

				return _price.clear_water;

   311

			} else {

   312

				return _price.purchase_land;

   313

			}

   314

		}

   315

   316

		case WATER_LOCK: {

   317

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   318

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

   319

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

   320

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

   321

			};

   322

   323

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   324

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   325

			// move to the middle tile..

   326

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

   327

		}

   328

   329

		case WATER_DEPOT:

   330

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   331

			return RemoveShipDepot(tile, flags);

   332

   333

		default:

   334

			NOT_REACHED();

   335

			return 0;

   336

	}

   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, PAL_NONE);

   374

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

   375

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

   376

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

   377

   378

	// right corner

   379

	switch (wa & 0x03) {

   380

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

   381

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

   382

	}

   383

   384

	// bottom corner

   385

	switch (wa & 0x06) {

   386

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

   387

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

   388

	}

   389

   390

	// left corner

   391

	switch (wa & 0x0C) {

   392

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

   393

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

   394

	}

   395

   396

	// upper corner

   397

	switch (wa & 0x09) {

   398

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

   399

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

	SpriteID palette, uint base

   413

)

   414

{

   415

	DrawGroundSprite(wdts++->image, PAL_NONE);

   416

   417

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

   418

		SpriteID image = wdts->image + base;

   419

		SpriteID pal;

   420

   421

		if (_display_opt & DO_TRANS_BUILDINGS) {

   422

			SETBIT(image, PALETTE_MODIFIER_TRANSPARENT);

   423

			pal = PALETTE_TO_TRANSPARENT;

   424

		} else {

   425

			pal = palette;

   426

		}

   427

   428

		AddSortableSpriteToDraw(image, pal,

   429

			ti->x + wdts->delta_x, ti->y + wdts->delta_y,

   430

			wdts->width, wdts->height,

   431

			wdts->unk, ti->z + wdts->delta_z);

   432

	}

   433

}

   434

   435

static void DrawTile_Water(TileInfo *ti)

   436

{

   437

	switch (GetWaterTileType(ti->tile)) {

   438

		case WATER_CLEAR:

   439

			DrawGroundSprite(SPR_FLAT_WATER_TILE, PAL_NONE);

   440

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

   441

			DrawBridgeMiddle(ti);

   442

			break;

   443

   444

		case WATER_COAST:

   445

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

   446

			if (_coast_base != 0) {

   447

				DrawGroundSprite(_coast_base + ti->tileh, PAL_NONE);

   448

			} else {

   449

				DrawGroundSprite(_water_shore_sprites[ti->tileh], PAL_NONE);

   450

			}

   451

			DrawBridgeMiddle(ti);

   452

			break;

   453

   454

		case WATER_LOCK: {

   455

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

   456

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

   457

		} break;

   458

   459

		case WATER_DEPOT:

   460

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

   461

			break;

   462

	}

   463

}

   464

   465

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

   466

{

   467

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   468

   469

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

   470

   471

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

   472

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

   473

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

   474

	}

   475

}

   476

   477

   478

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

   479

{

   480

	uint z;

   481

	Slope tileh = GetTileSlope(tile, &z);

   482

   483

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

   484

}

   485

   486

static Slope GetSlopeTileh_Water(TileIndex tile, Slope tileh)

   487

{

   488

	return tileh;

   489