1

/* $Id$ */

     2

     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"

    16

#include "news.h"

    17

#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,

    26

	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,

    33

	SPR_SHORE_TILEH_9,

    34

	0,

    35

	0,

    36

	SPR_SHORE_TILEH_12,

    37

	0,

    38

	0

    39

};

    40

    41

    42

static void FloodVehicle(Vehicle *v);

    43

    44

/** Build a ship depot.

    45

 * @param x,y tile coordinates where ship depot is built

    46

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

    47

 * @param p2 unused

    48

 */

    49

int32 CmdBuildShipDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)

    50

{

    51

	TileIndex tile, 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

	tile = TileVirtXY(x, y);

    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 = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);

    70

	if (CmdFailed(ret)) return CMD_ERROR;

    71

	ret = DoCommandByTile(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.

    75

	cost = 0;

    76

    77

	depot = AllocateDepot();

    78

	if (depot == NULL) return CMD_ERROR;

    79

    80

	if (flags & DC_EXEC) {

    81

		depot->xy = tile;

    82

		_last_built_ship_depot_tile = tile;

    83

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

    84

    85

		MakeShipDepot(tile,_current_player, DEPOT_NORTH, p1);

    86

		MakeShipDepot(tile2,_current_player, DEPOT_SOUTH, p1);

    87

		MarkTileDirtyByTile(tile);

    88

		MarkTileDirtyByTile(tile2);

    89

	}

    90

    91

	return cost + _price.build_ship_depot;

    92

}

    93

    94

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

    95

{

    96

	TileIndex tile2;

    97

    98

	if (!IsShipDepot(tile)) return CMD_ERROR;

    99

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   100

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   101

   102

	tile2 = GetOtherShipDepotTile(tile);

   103

   104

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   105

   106

	if (flags & DC_EXEC) {

   107

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

   108

		DoDeleteDepot(tile2 < tile ? tile2 : tile);

   109

   110

		MakeWater(tile);

   111

		MakeWater(tile2);

   112

		MarkTileDirtyByTile(tile);

   113

		MarkTileDirtyByTile(tile2);

   114

	}

   115

   116

	return _price.remove_ship_depot;

   117

}

   118

   119

// build a shiplift

   120

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

   121

{

   122

	int32 ret;

   123

	int delta;

   124

   125

	// middle tile

   126

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

   127

	if (CmdFailed(ret)) return CMD_ERROR;

   128

   129

	delta = TileOffsByDir(dir);

   130

	// lower tile

   131

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

   132

	if (CmdFailed(ret)) return CMD_ERROR;

   133

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

   134

   135

	// upper tile

   136

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

   137

	if (CmdFailed(ret)) return CMD_ERROR;

   138

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

   139

   140

	if (flags & DC_EXEC) {

   141

		MakeLock(tile, dir);

   142

		MarkTileDirtyByTile(tile);

   143

		MarkTileDirtyByTile(tile - delta);

   144

		MarkTileDirtyByTile(tile + delta);

   145

	}

   146

   147

	return _price.clear_water * 22 >> 3;

   148

}

   149

   150

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   151

{

   152

	TileIndexDiff delta = TileOffsByDir(GetLockDirection(tile));

   153

   154

	// make sure no vehicle is on the tile.

   155

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

   156

		return CMD_ERROR;

   157

   158

	if (flags & DC_EXEC) {

   159

		DoClearSquare(tile);

   160

		DoClearSquare(tile + delta);

   161

		DoClearSquare(tile - delta);

   162

	}

   163

   164

	return _price.clear_water * 2;

   165

}

   166

   167

static void MarkTilesAroundDirty(TileIndex tile)

   168

{

   169

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

   170

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

   171

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

   172

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

   173

}

   174

   175

/** Builds a lock (ship-lift)

   176

 * @param x,y tile coordinates where to place the lock

   177

 * @param p1 unused

   178

 * @param p2 unused

   179

 */

   180

int32 CmdBuildLock(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   181

{

   182

	TileIndex tile = TileVirtXY(x, y);

   183

	DiagDirection dir;

   184

   185

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   186

   187

	switch (GetTileSlope(tile, NULL)) {

   188

		case  3: dir = DIAGDIR_SW; break;

   189

		case  6: dir = DIAGDIR_SE; break;

   190

		case  9: dir = DIAGDIR_NW; break;

   191

		case 12: dir = DIAGDIR_NE; break;

   192

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   193

	}

   194

	return DoBuildShiplift(tile, dir, flags);

   195

}

   196

   197

/** Build a piece of canal.

   198

 * @param x,y end tile of stretch-dragging

   199

 * @param p1 start tile of stretch-dragging

   200

 * @param p2 unused

   201

 */

   202

int32 CmdBuildCanal(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   203

{

   204

	int32 cost;

   205

	int size_x, size_y;

   206

	int sx, sy;

   207

   208

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

   209

   210

	sx = TileX(p1);

   211

	sy = TileY(p1);

   212

	/* x,y are in pixel-coordinates, transform to tile-coordinates

   213

	 * to be able to use the BEGIN_TILE_LOOP() macro */

   214

	x >>= 4; y >>= 4;

   215

   216

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   217

   218

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

   219

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

   220

	size_x = (x - sx) + 1;

   221

	size_y = (y - sy) + 1;

   222

   223

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

   224

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

   225

   226

	cost = 0;

   227

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

   228

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

   229

   230

		// can't make water of water!

   231

		if (IsTileType(tile, MP_WATER)) continue;

   232

   233

		/* is middle piece of a bridge? */

   234

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

   235

			if (IsTransportUnderBridge(tile)) {

   236

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   237

			}

   238

   239

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

   240

   241

			if (flags & DC_EXEC) SetWaterUnderBridge(tile);

   242

		} else {

   243

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

   244

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

   245

   246

			if (CmdFailed(ret)) return ret;

   247

			cost += ret;

   248

   249

			if (flags & DC_EXEC) MakeWater(tile);

   250

		}

   251

   252

		if (flags & DC_EXEC) {

   253

			MarkTileDirtyByTile(tile);

   254

			MarkTilesAroundDirty(tile);

   255

		}

   256

   257

		cost += _price.clear_water;

   258

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

   259

   260

	if (cost == 0) {

   261

		return_cmd_error(STR_1007_ALREADY_BUILT);

   262

	} else {

   263

		return cost;

   264

	}

   265

}

   266

   267

static int32 ClearTile_Water(TileIndex tile, byte flags)

   268

{

   269

	byte m5 = _m[tile].m5;

   270

   271

	if (m5 <= 1) { // water and shore

   272

		// Allow building on water? It's ok to build on shores.

   273

		if (flags & DC_NO_WATER && m5 != 1)

   274

			return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   275

   276

		// Make sure no vehicle is on the tile

   277

		if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   278

   279

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

   280

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

   281

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

   282

			return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   283

		}

   284

   285

		if (m5 == 0) {

   286

			if (flags & DC_EXEC) DoClearSquare(tile);

   287

			return _price.clear_water;

   288

		} else if (m5 == 1) {

   289

			uint slope = GetTileSlope(tile,NULL);

   290

   291

			if (flags & DC_EXEC) DoClearSquare(tile);

   292

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

   293

				return _price.clear_water;

   294

			} else {

   295

				return _price.purchase_land;

   296

			}

   297

		} else {

   298

			return CMD_ERROR;

   299

		}

   300

	} else if ((m5 & 0x10) == 0x10) {

   301

		// shiplift

   302

   303

		static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   304

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

   305

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

   306

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

   307

		};

   308

   309

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   310

		// don't allow water to delete it.

   311

		if (_current_player == OWNER_WATER) return CMD_ERROR;

   312

		// move to the middle tile..

   313

		return RemoveShiplift(tile + ToTileIndexDiff(_shiplift_tomiddle_offs[m5 & 0xF]), flags);

   314

	} else {

   315

		// ship depot

   316

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   317

   318

		return RemoveShipDepot(tile, flags);

   319

	}

   320

}

   321

   322

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

   323

static bool IsWateredTile(TileIndex tile)

   324

{

   325

	switch (GetTileType(tile)) {

   326

		case MP_WATER:

   328

   329

		case MP_STATION:

   330

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

   331

   332

		case MP_TUNNELBRIDGE:

   333

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

   334

   335

		default:

   336

			return false;

   337

	}

   338

}

   339

   340

// draw a canal styled water tile with dikes around

   341

void DrawCanalWater(TileIndex tile)

   342

{

   343

	uint wa;

   344

   345

	// determine the edges around with water.

   346

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

   347

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

   348

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

   349

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

   350

   351

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

   352

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

   353

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

   354

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

   355

   356

	// right corner

   357

	switch (wa & 0x03) {

   358

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

   359

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

   360

	}

   361

   362

	// bottom corner

   363

	switch (wa & 0x06) {

   364

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

   365

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

   366

	}

   367

   368

	// left corner

   369

	switch (wa & 0x0C) {

   370

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

   371

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

   372

	}

   373

   374

	// upper corner

   375

	switch (wa & 0x09) {

   376

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

   377

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

   378

	}

   379

}

   380

   381

typedef struct LocksDrawTileStruct {

   382

	int8 delta_x, delta_y, delta_z;

   383

	byte width, height, depth;

   384

	SpriteID image;

   385

} LocksDrawTileStruct;

   386

   387

#include "table/water_land.h"

   388

   389

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

   390

	uint32 palette, uint base

   391

)

   392

{

   393

	DrawGroundSprite(wdts++->image);

   394

   395

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

   396

		uint32 image = wdts->image + base;

   397

		if (_display_opt & DO_TRANS_BUILDINGS) {

   398

			MAKE_TRANSPARENT(image);

   399

		} else {

   400

			image |= palette;

   401

		}

   402

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

   403

	}

   404

}

   405

   406

static void DrawTile_Water(TileInfo *ti)

   407

{

   408

	switch (GetWaterTileType(ti->tile)) {

   409

		case WATER_CLEAR:

   410

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   411

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

   412

			break;

   413

   414

		case WATER_COAST:

   415

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

   416

			DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   417

			break;

   418

   419

		case WATER_LOCK: {

   420

			const WaterDrawTileStruct *t = _shiplift_display_seq[ti->map5 & 0xF];

   421

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

   422

		} break;

   423

   424

		case WATER_DEPOT:

   425

			DrawWaterStuff(ti, _shipdepot_display_seq[ti->map5 & 0x7F], PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)), 0);

   426

			break;

   427

	}

   428

}

   429

   430

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

   431

{

   432

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   433

   434

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

   435

   436

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

   437

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

   438

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

   439

	}

   440

}

   441

   442

   443

static uint GetSlopeZ_Water(const TileInfo* ti)

   444

{

   445

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

   446

}

   447

   448

static uint GetSlopeTileh_Water(TileIndex tile, uint tileh)

   449

{

   450

	return tileh;

   451

}

   452

   453

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   454

{

   455

	/* not used */

   456

}

   457

   458

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   459

{

   460

	switch (GetWaterTileType(tile)) {

   461

		case WATER_CLEAR:

   462

			if (TilePixelHeight(tile) == 0) {

   463

				td->str = STR_3804_WATER;

   464

			} else {

   465

				td->str = STR_LANDINFO_CANAL;

   466

			}

   467

			break;

   468

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

   469

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

   470

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

   471

		default: assert(0); break;

   472

	}

   473

   474

	td->owner = GetTileOwner(tile);

   475

}

   476

   477

static void AnimateTile_Water(TileIndex tile)

   478

{

   479

	/* not used */

   480

}

   481

   482

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

   483

{

   484

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

   485

   486

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

   487

	if (IsTileType(target, MP_WATER)) return;

   488

   489

	if (TileHeight(TILE_ADD(tile, ToTileIndexDiff(offs[1]))) != 0 ||

   490

			TileHeight(TILE_ADD(tile, ToTileIndexDiff(offs[2]))) != 0) {

   491

		return;

   492

	}

   493

   494

	if (TileHeight(TILE_ADD(tile, ToTileIndexDiff(offs[3]))) != 0 ||