1

/* $Id$ */

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#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "table/sprites.h"

     6

#include "table/strings.h"

     7

#include "functions.h"

     8

#include "map.h"

     9

#include "tile.h"

    10

#include "vehicle.h"

    11

#include "viewport.h"

    12

#include "command.h"

    13

#include "town.h"

    14

#include "news.h"

    15

#include "sound.h"

    16

#include "depot.h"

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#include "vehicle_gui.h"

    18

#include "train.h"

    19

    20

const SpriteID _water_shore_sprites[15] = {

    21

	0,

    22

	SPR_SHORE_TILEH_1,

    23

	SPR_SHORE_TILEH_2,

    24

	SPR_SHORE_TILEH_3,

    25

	SPR_SHORE_TILEH_4,

    26

	0,

    27

	SPR_SHORE_TILEH_6,

    28

	0,

    29

	SPR_SHORE_TILEH_8,

    30

	SPR_SHORE_TILEH_9,

    31

	0,

    32

	0,

    33

	SPR_SHORE_TILEH_12,

    34

	0,

    35

	0

    36

};

    37

    38

    39

static void FloodVehicle(Vehicle *v);

    40

    41

static bool IsClearWaterTile(TileIndex tile)

    42

{

    43

	return

    44

		IsTileType(tile, MP_WATER) &&

    45

		_m[tile].m5 == 0 &&

    46

		GetTileSlope(tile, NULL) == 0;

    47

}

    48

    49

/** Build a ship depot.

    50

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

    51

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

    52

 * @param p2 unused

    53

 */

    54

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

    55

{

    56

	TileIndex tile, tile2;

    57

    58

	int32 cost, ret;

    59

	Depot *depot;

    60

    61

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    62

    63

	if (p1 > 1) return CMD_ERROR;

    64

    65

	tile = TileVirtXY(x, y);

    66

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    67

    68

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

    69

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    70

    71

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

    72

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    73

    74

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

    75

	if (CmdFailed(ret)) return CMD_ERROR;

    76

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

    77

	if (CmdFailed(ret)) return CMD_ERROR;

    78

    79

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

    80

	cost = 0;

    81

    82

	depot = AllocateDepot();

    83

	if (depot == NULL) return CMD_ERROR;

    84

    85

	if (flags & DC_EXEC) {

    86

		depot->xy = tile;

    87

		_last_built_ship_depot_tile = tile;

    88

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

    89

    90

		ModifyTile(tile,

    91

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

    92

			(0x80 + p1*2)

    93

		);

    94

    95

		ModifyTile(tile2,

    96

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

    97

			(0x81 + p1*2)

    98

		);

    99

	}

   100

   101

	return cost + _price.build_ship_depot;

   102

}

   103

   104

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

   105

{

   106

	TileIndex tile2;

   107

   108

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   109

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   110

   111

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

   112

   113

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   114

   115

	if (flags & DC_EXEC) {

   116

		/* Kill the depot */

   117

		DoDeleteDepot(tile);

   118

   119

		/* Make the tiles water */

   120

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

   121

		ModifyTile(tile2, MP_SETTYPE(MP_WATER) | MP_MAPOWNER | MP_MAP5 | MP_MAP2_CLEAR | MP_MAP3LO_CLEAR | MP_MAP3HI_CLEAR, OWNER_WATER, 0);

   122

	}

   123

   124

	return _price.remove_ship_depot;

   125

}

   126

   127

// build a shiplift

   128

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

   129

{

   130

	int32 ret;

   131

	int delta;

   132

   133

	// middle tile

   134

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

   135

	if (CmdFailed(ret)) return CMD_ERROR;

   136

   137

	delta = TileOffsByDir(dir);

   138

	// lower tile

   139

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

   140

	if (CmdFailed(ret)) return CMD_ERROR;

   141

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

   142

   143

	// upper tile

   144

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

   145

	if (CmdFailed(ret)) return CMD_ERROR;

   146

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

   147

   148

	if (flags & DC_EXEC) {

   149

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

   150

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

   151

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

   152

	}

   153

   154

	return _price.clear_water * 22 >> 3;

   155

}

   156

   157

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   158

{

   159

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

   160

   161

	// make sure no vehicle is on the tile.

   162

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

   163

		return CMD_ERROR;

   164

   165

	if (flags & DC_EXEC) {

   166

		DoClearSquare(tile);

   167

		DoClearSquare(tile + delta);

   168

		DoClearSquare(tile - delta);

   169

	}

   170

   171

	return _price.clear_water * 2;

   172

}

   173

   174

static void MarkTilesAroundDirty(TileIndex tile)

   175

{

   176

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

   177

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

   178

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

   179

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

   180

}

   181

   182

/** Builds a lock (ship-lift)

   183

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

   184

 * @param p1 unused

   185

 * @param p2 unused

   186

 */

   187

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

   188

{

   189

	TileIndex tile = TileVirtXY(x, y);

   190

	uint tileh;

   191

   192

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   193

	tileh = GetTileSlope(tile, NULL);

   194

   195

	if (tileh == 3 || tileh == 6 || tileh == 9 || tileh == 12) {

   196

		static const byte _shiplift_dirs[16] = {0, 0, 0, 2, 0, 0, 1, 0, 0, 3, 0, 0, 0};

   197

		return DoBuildShiplift(tile, _shiplift_dirs[tileh], flags);

   198

	}

   199

   200

	return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   201

}

   202

   203

/** Build a piece of canal.

   204

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

   205

 * @param p1 start tile of stretch-dragging

   206

 * @param p2 unused

   207

 */

   208

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

   209

{

   210

	int32 ret, cost;

   211

	int size_x, size_y;

   212

	int sx, sy;

   213

   214

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

   215

   216

	sx = TileX(p1);

   217

	sy = TileY(p1);

   218

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

   219

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

   220

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

   221

   222

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   223

   224

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

   225

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

   226

	size_x = (x - sx) + 1;

   227

	size_y = (y - sy) + 1;

   228

   229

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

   230

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

   231

   232

	cost = 0;

   233

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

   234

		ret = 0;

   235

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

   236

   237

			// can't make water of water!

   238

			if (IsTileType(tile, MP_WATER)) {

   239

				_error_message = STR_1007_ALREADY_BUILT;

   240

			} else {

   241

				/* is middle piece of a bridge? */

   242

				if (IsTileType(tile, MP_TUNNELBRIDGE) && _m[tile].m5 & 0x40) { /* build under bridge */

   243

					if (_m[tile].m5 & 0x20) // transport route under bridge

   244

						return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   245

   246

					if (_m[tile].m5 & 0x18) // already water under bridge

   247

						return_cmd_error(STR_1007_ALREADY_BUILT);

   248

				/* no bridge? then try to clear it. */

   249

				} else

   250

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

   251

   252

				if (CmdFailed(ret)) return CMD_ERROR;

   253

				cost += ret;

   254

   255

				/* execute modifications */

   256

				if (flags & DC_EXEC) {

   257

					if (IsTileType(tile, MP_TUNNELBRIDGE)) {

   258

						// change owner to OWNER_WATER and set land under bridge bit to water

   259

						ModifyTile(tile, MP_MAP5 | MP_MAPOWNER, OWNER_WATER, _m[tile].m5 | 0x08);

   260

					} else {

   261

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

   262

					}

   263

					// mark the tiles around dirty too

   264

					MarkTilesAroundDirty(tile);

   265

				}

   266

   267

				cost += _price.clear_water;

   268

			}

   269

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

   270

   271

	return (cost == 0) ? CMD_ERROR : cost;

   272

}

   273

   274

static int32 ClearTile_Water(TileIndex tile, byte flags)

   275

{

   276

	byte m5 = _m[tile].m5;

   277

   278

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

   279

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

   280

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

   281

			return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   282

   283

		// Make sure no vehicle is on the tile

   284

		if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   285

   286

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

   287

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

   288

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

   289

			return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   290

		}

   291

   292

		if (m5 == 0) {

   293

			if (flags & DC_EXEC) DoClearSquare(tile);

   294

			return _price.clear_water;

   295

		} else if (m5 == 1) {

   296

			uint slope = GetTileSlope(tile,NULL);

   297

   298

			if (flags & DC_EXEC) DoClearSquare(tile);

   299

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

   300

				return _price.clear_water;

   301

			} else {

   302

				return _price.purchase_land;

   303

			}

   304

		} else {

   305

			return CMD_ERROR;

   306

		}

   307

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

   308

		// shiplift

   309

   310

		static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   311

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

   312

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

   313

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

   314

		};

   315

   316

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   317

		// don't allow water to delete it.

   318

		if (_current_player == OWNER_WATER) return CMD_ERROR;

   319

		// move to the middle tile..

   320

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

   321

	} else {

   322

		// ship depot

   323

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   324

   325

		switch (m5) {

   326

			case 0x80: break;

   327

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

   328

			case 0x82: break;

   329

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

   330

			default:   return CMD_ERROR;

   331

		}

   332

   333

		return RemoveShipDepot(tile, flags);

   334

	}

   335

}

   336

   337

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

   338

static bool IsWateredTile(TileIndex tile)

   339

{

   340

	byte m5 = _m[tile].m5;

   341

   342

	switch (GetTileType(tile)) {

   343

		case MP_WATER:

   344

			// true, if not coast/riverbank

   345

			return m5 != 1;

   346

   347

		case MP_STATION:

   348

			// returns true if it is a dock-station

   349

			// m5 inside values is m5 < 75 all stations, 83 <= m5 <= 114 new airports

   350

			return !(m5 < 75 || (m5 >= 83 && m5 <= 114));

   351

   352

		case MP_TUNNELBRIDGE:

   353

			// true, if tile is middle part of bridge with water underneath

   354

			return (m5 & 0xF8) == 0xC8;

   355

   356

		default:

   357

			return false;

   358

	}

   359

}

   360

   361

// draw a canal styled water tile with dikes around

   362

void DrawCanalWater(TileIndex tile)

   363

{

   364

	uint wa;

   365

   366

	// determine the edges around with water.

   367

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

   368

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

   369

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

   370

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

   371

   372

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

   373

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

   374

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

   375

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

   376

   377

	// right corner

   378

	switch (wa & 0x03) {

   379

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

   380

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

   381

	}

   382

   383

	// bottom corner

   384

	switch (wa & 0x06) {

   385

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

   386

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

   387

	}

   388

   389

	// left corner

   390

	switch (wa & 0x0C) {

   391

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

   392

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

   393

	}

   394

   395

	// upper corner

   396

	switch (wa & 0x09) {

   397

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

   398

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

   399

	}

   400

}

   401

   402

typedef struct LocksDrawTileStruct {

   403

	int8 delta_x, delta_y, delta_z;

   404

	byte width, height, depth;

   405

	SpriteID image;

   406

} LocksDrawTileStruct;

   407

   408

#include "table/water_land.h"

   409

   410

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

   411

	uint32 palette, uint base

   412

)

   413

{

   414

	DrawGroundSprite(wdts++->image);

   415

   416

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

   417

		uint32 image = wdts->image + base;

   418

		if (_display_opt & DO_TRANS_BUILDINGS) {

   419

			MAKE_TRANSPARENT(image);

   420

		} else {

   421

			image |= palette;

   422

		}

   423

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

   424

	}

   425

}

   426

   427

static void DrawTile_Water(TileInfo *ti)

   428

{

   429

	// draw water tile

   430

	if (ti->map5 == 0) {

   431

		DrawGroundSprite(SPR_FLAT_WATER_TILE);

   432

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

   433

		return;

   434

	}

   435

   436

	// draw shore

   437

	if (ti->map5 == 1) {

   438

		assert(ti->tileh < 16);

   439

		DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   440

		return;

   441

	}

   442

   443

	// draw shiplift

   444

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

   445

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

   446

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

   447

		return;

   448

	}

   449

   450

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

   451

}

   452

   453

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

   454

{

   455

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   456

   457

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

   458

   459

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

   460

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

   461

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

   462

	}

   463

}

   464

   465

   466

static uint GetSlopeZ_Water(const TileInfo* ti)

   467

{

   468

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

   469

}

   470

   471

static uint GetSlopeTileh_Water(const TileInfo *ti)

   472

{

   473

	return ti->tileh;

   474

}

   475

   476

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   477

{

   478

	/* not used */

   479

}

   480

   481

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   482

{

   483

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

   484

		td->str = STR_3804_WATER;

   485

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

   486

		td->str = STR_LANDINFO_CANAL;

   487

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

   488

		td->str = STR_3805_COAST_OR_RIVERBANK;

   489

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

   490

		td->str = STR_LANDINFO_LOCK;

   491

	} else {

   492

		td->str = STR_3806_SHIP_DEPOT;

   493

	}

   494

   495

	td->owner = GetTileOwner(tile);

   496

}

   497

   498

static void AnimateTile_Water(TileIndex tile)