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"

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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"

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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,

    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

static bool IsClearWaterTile(TileIndex tile)

    45

{

    46

	return

    47

		IsTileType(tile, MP_WATER) &&

    48

		_m[tile].m5 == 0 &&

    49

		GetTileSlope(tile, NULL) == 0;

    50

}

    51

    52

/** Build a ship depot.

    53

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

    54

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

    55

 * @param p2 unused

    56

 */

    57

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

    58

{

    59

	TileIndex tile, tile2;

    60

    61

	int32 cost, ret;

    62

	Depot *depot;

    63

    64

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    65

    66

	if (p1 > 1) return CMD_ERROR;

    67

    68

	tile = TileVirtXY(x, y);

    69

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    70

    71

	tile2 = tile + (p1 ? TileDiffXY(0, 1) : TileDiffXY(1, 0));

    72

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    73

    74

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

    75

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    76

    77

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

    78

	if (CmdFailed(ret)) return CMD_ERROR;

    79

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

    80

	if (CmdFailed(ret)) return CMD_ERROR;

    81

    82

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

    83

	cost = 0;

    84

    85

	depot = AllocateDepot();

    86

	if (depot == NULL) return CMD_ERROR;

    87

    88

	if (flags & DC_EXEC) {

    89

		depot->xy = tile;

    90

		_last_built_ship_depot_tile = tile;

    91

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

    92

    93

		ModifyTile(tile,

    94

			MP_SETTYPE(MP_WATER) | MP_MAPOWNER_CURRENT | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR,

    95

			(0x80 + p1*2)

    96

		);

    97

    98

		ModifyTile(tile2,

    99

			MP_SETTYPE(MP_WATER) | MP_MAPOWNER_CURRENT | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR,

   100

			(0x81 + p1*2)

   101

		);

   102

	}

   103

   104

	return cost + _price.build_ship_depot;

   105

}

   106

   107

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

   108

{

   109

	TileIndex tile2;

   110

   111

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   112

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   113

   114

	tile2 = tile + ((_m[tile].m5 & 2) ? TileDiffXY(0, 1) : TileDiffXY(1, 0));

   115

   116

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   117

   118

	if (flags & DC_EXEC) {

   119

		/* Kill the depot */

   120

		DoDeleteDepot(tile);

   121

   122

		MakeWater(tile);

   123

		MakeWater(tile2);

   124

		MarkTileDirtyByTile(tile);

   125

		MarkTileDirtyByTile(tile2);

   126

	}

   127

   128

	return _price.remove_ship_depot;

   129

}

   130

   131

// build a shiplift

   132

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

   133

{

   134

	int32 ret;

   135

	int delta;

   136

   137

	// middle tile

   138

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

   139

	if (CmdFailed(ret)) return CMD_ERROR;

   140

   141

	delta = TileOffsByDir(dir);

   142

	// lower tile

   143

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

   144

	if (CmdFailed(ret)) return CMD_ERROR;

   145

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

   146

   147

	// upper tile

   148

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

   149

	if (CmdFailed(ret)) return CMD_ERROR;

   150

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

   151

   152

	if (flags & DC_EXEC) {

   153

		ModifyTile(tile, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0x10 + dir);

   154

		ModifyTile(tile - delta, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0x14 + dir);

   155

		ModifyTile(tile + delta, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0x18 + dir);

   156

	}

   157

   158

	return _price.clear_water * 22 >> 3;

   159

}

   160

   161

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   162

{

   163

	TileIndexDiff delta = TileOffsByDir(GB(_m[tile].m5, 0, 2));

   164

   165

	// make sure no vehicle is on the tile.

   166

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

   167

		return CMD_ERROR;

   168

   169

	if (flags & DC_EXEC) {

   170

		DoClearSquare(tile);

   171

		DoClearSquare(tile + delta);

   172

		DoClearSquare(tile - delta);

   173

	}

   174

   175

	return _price.clear_water * 2;

   176

}

   177

   178

static void MarkTilesAroundDirty(TileIndex tile)

   179

{

   180

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

   181

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

   182

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

   183

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

   184

}

   185

   186

/** Builds a lock (ship-lift)

   187

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

   188

 * @param p1 unused

   189

 * @param p2 unused

   190

 */

   191

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

   192

{

   193

	TileIndex tile = TileVirtXY(x, y);

   194

	DiagDirection dir;

   195

   196

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   197

   198

	switch (GetTileSlope(tile, NULL)) {

   199

		case  3: dir = DIAGDIR_SW; break;

   200

		case  6: dir = DIAGDIR_SE; break;

   201

		case  9: dir = DIAGDIR_NW; break;

   202

		case 12: dir = DIAGDIR_NE; break;

   203

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   204

	}

   205

	return DoBuildShiplift(tile, dir, flags);

   206

}

   207

   208

/** Build a piece of canal.

   209

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

   210

 * @param p1 start tile of stretch-dragging

   211

 * @param p2 unused

   212

 */

   213

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

   214

{

   215

	int32 cost;

   216

	int size_x, size_y;

   217

	int sx, sy;

   218

   219

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

   220

   221

	sx = TileX(p1);

   222

	sy = TileY(p1);

   223

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

   224

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

   225

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

   226

   227

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   228

   229

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

   230

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

   231

	size_x = (x - sx) + 1;

   232

	size_y = (y - sy) + 1;

   233

   234

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

   235

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

   236

   237

	cost = 0;

   238

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

   239

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

   240

   241

		// can't make water of water!

   242

		if (IsTileType(tile, MP_WATER)) continue;

   243

   244

		/* is middle piece of a bridge? */

   245

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

   246

			if (IsTransportUnderBridge(tile)) {

   247

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   248

			}

   249

   250

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

   251

   252

			if (flags & DC_EXEC) SetWaterUnderBridge(tile);

   253

		} else {

   254

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

   255

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

   256

   257

			if (CmdFailed(ret)) return ret;

   258

			cost += ret;

   259

   260

			if (flags & DC_EXEC) MakeWater(tile);

   261

		}

   262

   263

		if (flags & DC_EXEC) {

   264

			MarkTileDirtyByTile(tile);

   265

			MarkTilesAroundDirty(tile);

   266

		}

   267

   268

		cost += _price.clear_water;

   269

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

   270

   271

	if (cost == 0) {

   272

		return_cmd_error(STR_1007_ALREADY_BUILT);

   273

	} else {

   274

		return cost;

   275

	}

   276

}

   277

   278

static int32 ClearTile_Water(TileIndex tile, byte flags)

   279

{

   280

	byte m5 = _m[tile].m5;

   281

   282

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

   283

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

   284

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

   285

			return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   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 (m5 == 0) {

   297

			if (flags & DC_EXEC) DoClearSquare(tile);

   298

			return _price.clear_water;

   299

		} else if (m5 == 1) {

   300

			uint slope = GetTileSlope(tile,NULL);

   301

   302

			if (flags & DC_EXEC) DoClearSquare(tile);

   303

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

   304

				return _price.clear_water;

   305

			} else {

   306

				return _price.purchase_land;

   307

			}

   308

		} else {

   309

			return CMD_ERROR;

   310

		}

   311

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

   312

		// shiplift

   313

   314

		static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   315

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

   316

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

   317

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

   318

		};

   319

   320

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   321

		// don't allow water to delete it.

   322

		if (_current_player == OWNER_WATER) return CMD_ERROR;

   323

		// move to the middle tile..

   324

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

   325

	} else {

   326

		// ship depot

   327

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   328

   329

		switch (m5) {

   330

			case 0x80: break;

   331

			case 0x81: tile -= TileDiffXY(1, 0); break;

   332

			case 0x82: break;

   333

			case 0x83: tile -= TileDiffXY(0, 1); break;

   334

			default:   return CMD_ERROR;

   335

		}

   336

   337

		return RemoveShipDepot(tile, flags);

   338

	}

   339

}

   340

   341

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

   342

static bool IsWateredTile(TileIndex tile)

   343

{

   344

	switch (GetTileType(tile)) {

   345

		case MP_WATER:

   346

			// true, if not coast/riverbank

   347

			return _m[tile].m5 != 1;

   348

   349

		case MP_STATION:

   350

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

   351

   352

		case MP_TUNNELBRIDGE:

   353

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

   354

   355

		default:

   356

			return false;

   357

	}

   358

}

   359

   360

// draw a canal styled water tile with dikes around

   361

void DrawCanalWater(TileIndex tile)

   362

{

   363

	uint wa;

   364

   365

	// determine the edges around with water.

   366

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

   367

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

   368

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

   369

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

   370

   371

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

   372

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

   373

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

   374

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

   375

   376

	// right corner

   377

	switch (wa & 0x03) {

   378

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

   379

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

   380

	}

   381

   382

	// bottom corner

   383

	switch (wa & 0x06) {

   384

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

   385

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

   386

	}

   387

   388

	// left corner

   389

	switch (wa & 0x0C) {

   390

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

   391

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

   392

	}

   393

   394

	// upper corner

   395

	switch (wa & 0x09) {

   396

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

   397

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

   398

	}

   399

}

   400

   401

typedef struct LocksDrawTileStruct {

   402

	int8 delta_x, delta_y, delta_z;

   403

	byte width, height, depth;

   404

	SpriteID image;

   405

} LocksDrawTileStruct;

   406

   407

#include "table/water_land.h"

   408

   409

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

   410

	uint32 palette, uint base

   411

)

   412

{

   413

	DrawGroundSprite(wdts++->image);

   414

   415

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

   416

		uint32 image = wdts->image + base;

   417

		if (_display_opt & DO_TRANS_BUILDINGS) {

   418

			MAKE_TRANSPARENT(image);

   419

		} else {

   420

			image |= palette;

   421

		}

   422

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

   423

	}

   424

}

   425

   426

static void DrawTile_Water(TileInfo *ti)

   427

{

   428

	// draw water tile

   429

	if (ti->map5 == 0) {

   430

		DrawGroundSprite(SPR_FLAT_WATER_TILE);

   431

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

   432

		return;

   433

	}

   434

   435

	// draw shore

   436

	if (ti->map5 == 1) {

   437

		assert(ti->tileh < 16);

   438

		DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   439

		return;

   440

	}

   441

   442

	// draw shiplift

   443

	if ((ti->map5 & 0xF0) == 0x10) {

   444

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

   445

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

   446

		return;

   447

	}

   448

   449

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

   450

}

   451

   452

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

   453

{

   454

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   455

   456

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

   457

   458

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

   459

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

   460

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

   461

	}

   462

}

   463

   464

   465

static uint GetSlopeZ_Water(const TileInfo* ti)

   466

{

   467

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

   468

}

   469

   470

static uint GetSlopeTileh_Water(const TileInfo *ti)

   471

{

   472

	return ti->tileh;

   473

}

   474

   475

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   476

{

   477

	/* not used */

   478

}

   479

   480

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   481

{

   482

	if (_m[tile].m5 == 0 && TilePixelHeight(tile) == 0) {

   483

		td->str = STR_3804_WATER;

   484

	} else if (_m[tile].m5 == 0) {

   485

		td->str = STR_LANDINFO_CANAL;

   486

	} else if (_m[tile].m5 == 1) {

   487

		td->str = STR_3805_COAST_OR_RIVERBANK;

   488

	} else if ((_m[tile].m5 & 0xF0) == 0x10) {

   489

		td->str = STR_LANDINFO_LOCK;

   490

	} else {

   491

		td->str = STR_3806_SHIP_DEPOT;

   492

	}

   493

   494

	td->owner = GetTileOwner(tile);

   495

}

   496