1

/* $Id$ */

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#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "bridge_map.h"

     6

#include "table/sprites.h"

     7

#include "table/strings.h"

     8

#include "functions.h"

     9

#include "map.h"

    10

#include "tile.h"

    11

#include "vehicle.h"

    12

#include "viewport.h"

    13

#include "command.h"

    14

#include "town.h"

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#include "news.h"

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#include "sound.h"

    17

#include "depot.h"

    18

#include "vehicle_gui.h"

    19

#include "train.h"

    20

#include "water_map.h"

    21

    22

const SpriteID _water_shore_sprites[15] = {

    23

	0,

    24

	SPR_SHORE_TILEH_1,

    25

	SPR_SHORE_TILEH_2,

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	SPR_SHORE_TILEH_3,

    27

	SPR_SHORE_TILEH_4,

    28

	0,

    29

	SPR_SHORE_TILEH_6,

    30

	0,

    31

	SPR_SHORE_TILEH_8,

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	SPR_SHORE_TILEH_9,

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	0,

    34

	0,

    35

	SPR_SHORE_TILEH_12,

    36

	0,

    37

	0

    38

};

    39

    40

    41

static void FloodVehicle(Vehicle *v);

    42

    43

static bool IsClearWaterTile(TileIndex tile)

    44

{

    45

	return

    46

		IsTileType(tile, MP_WATER) &&

    47

		_m[tile].m5 == 0 &&

    48

		GetTileSlope(tile, NULL) == 0;

    49

}

    50

    51

/** Build a ship depot.

    52

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

    53

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

    54

 * @param p2 unused

    55

 */

    56

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

    57

{

    58

	TileIndex tile, tile2;

    59

    60

	int32 cost, ret;

    61

	Depot *depot;

    62

    63

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    64

    65

	if (p1 > 1) return CMD_ERROR;

    66

    67

	tile = TileVirtXY(x, y);

    68

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    69

    70

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

    71

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    72

    73

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

    74

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    75

    76

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

    77

	if (CmdFailed(ret)) return CMD_ERROR;

    78

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

    79

	if (CmdFailed(ret)) return CMD_ERROR;

    80

    81

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

    82

	cost = 0;

    83

    84

	depot = AllocateDepot();

    85

	if (depot == NULL) return CMD_ERROR;

    86

    87

	if (flags & DC_EXEC) {

    88

		depot->xy = tile;

    89

		_last_built_ship_depot_tile = tile;

    90

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

    91

    92

		ModifyTile(tile,

    93

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

    94

			(0x80 + p1*2)

    95

		);

    96

    97

		ModifyTile(tile2,

    98

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

    99

			(0x81 + p1*2)

   100

		);

   101

	}

   102

   103

	return cost + _price.build_ship_depot;

   104

}

   105

   106

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

   107

{

   108

	TileIndex tile2;

   109

   110

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   111

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   112

   113

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

   114

   115

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   116

   117

	if (flags & DC_EXEC) {

   118

		/* Kill the depot */

   119

		DoDeleteDepot(tile);

   120

   121

		MakeWater(tile);

   122

		MakeWater(tile2);

   123

		MarkTileDirtyByTile(tile);

   124

		MarkTileDirtyByTile(tile2);

   125

	}

   126

   127

	return _price.remove_ship_depot;

   128

}

   129

   130

// build a shiplift

   131

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

   132

{

   133

	int32 ret;

   134

	int delta;

   135

   136

	// middle tile

   137

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

   138

	if (CmdFailed(ret)) return CMD_ERROR;

   139

   140

	delta = TileOffsByDir(dir);

   141

	// lower tile

   142

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

   143

	if (CmdFailed(ret)) return CMD_ERROR;

   144

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

   145

   146

	// upper tile

   147

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

   148

	if (CmdFailed(ret)) return CMD_ERROR;

   149

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

   150

   151

	if (flags & DC_EXEC) {

   152

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

   153

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

   154

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

   155

	}

   156

   157

	return _price.clear_water * 22 >> 3;

   158

}

   159

   160

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   161

{

   162

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

   163

   164

	// make sure no vehicle is on the tile.

   165

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

   166

		return CMD_ERROR;

   167

   168

	if (flags & DC_EXEC) {

   169

		DoClearSquare(tile);

   170

		DoClearSquare(tile + delta);

   171

		DoClearSquare(tile - delta);

   172

	}

   173

   174

	return _price.clear_water * 2;

   175

}

   176

   177

static void MarkTilesAroundDirty(TileIndex tile)

   178

{

   179

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

   180

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

   181

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

   182

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

   183

}

   184

   185

/** Builds a lock (ship-lift)

   186

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

   187

 * @param p1 unused

   188

 * @param p2 unused

   189

 */

   190

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

   191

{

   192

	TileIndex tile = TileVirtXY(x, y);

   193

	DiagDirection dir;

   194

   195

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   196

   197

	switch (GetTileSlope(tile, NULL)) {

   198

		case  3: dir = DIAGDIR_SW; break;

   199

		case  6: dir = DIAGDIR_SE; break;

   200

		case  9: dir = DIAGDIR_NW; break;

   201

		case 12: dir = DIAGDIR_NE; break;

   202

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   203

	}

   204

	return DoBuildShiplift(tile, dir, flags);

   205

}

   206

   207

/** Build a piece of canal.

   208

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

   209

 * @param p1 start tile of stretch-dragging

   210

 * @param p2 unused

   211

 */

   212

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

   213

{

   214

	int32 cost;

   215

	int size_x, size_y;

   216

	int sx, sy;

   217

   218

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

   219

   220

	sx = TileX(p1);

   221

	sy = TileY(p1);

   222

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

   223

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

   224

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

   225

   226

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   227

   228

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

   229

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

   230

	size_x = (x - sx) + 1;

   231

	size_y = (y - sy) + 1;

   232

   233

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

   234

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

   235

   236

	cost = 0;

   237

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

   238

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

   239

   240

		// can't make water of water!

   241

		if (IsTileType(tile, MP_WATER)) continue;

   242

   243

		/* is middle piece of a bridge? */

   244

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

   245

			if (IsTransportUnderBridge(tile)) {

   246

				return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);

   247

			}

   248

   249

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

   250

   251

			if (flags & DC_EXEC) SetWaterUnderBridge(tile);

   252

		} else {

   253

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

   254

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

   255

   256

			if (CmdFailed(ret)) return ret;

   257

			cost += ret;

   258

   259

			if (flags & DC_EXEC) MakeWater(tile);

   260

		}

   261

   262

		if (flags & DC_EXEC) {

   263

			MarkTileDirtyByTile(tile);

   264

			MarkTilesAroundDirty(tile);

   265

		}

   266

   267

		cost += _price.clear_water;

   268

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

   269

   270

	if (cost == 0) {

   271

		return_cmd_error(STR_1007_ALREADY_BUILT);

   272

	} else {

   273

		return cost;

   274

	}

   275

}

   276

   277

static int32 ClearTile_Water(TileIndex tile, byte flags)

   278

{

   279

	byte m5 = _m[tile].m5;

   280

   281

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

   282

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

   283

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

   284

			return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   285

   286

		// Make sure no vehicle is on the tile

   287

		if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   288

   289

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

   290

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

   291

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

   292

			return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   293

		}

   294

   295

		if (m5 == 0) {

   296

			if (flags & DC_EXEC) DoClearSquare(tile);

   297

			return _price.clear_water;

   298

		} else if (m5 == 1) {

   299

			uint slope = GetTileSlope(tile,NULL);

   300

   301

			if (flags & DC_EXEC) DoClearSquare(tile);

   302

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

   303

				return _price.clear_water;

   304

			} else {

   305

				return _price.purchase_land;

   306

			}

   307

		} else {

   308

			return CMD_ERROR;

   309

		}

   310

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

   311

		// shiplift

   312

   313

		static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   314

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

   315

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

   316

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

   317

		};

   318

   319

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   320

		// don't allow water to delete it.

   321

		if (_current_player == OWNER_WATER) return CMD_ERROR;

   322

		// move to the middle tile..

   323

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

   324

	} else {

   325

		// ship depot

   326

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   327

   328

		switch (m5) {

   329

			case 0x80: break;

   330

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

   331

			case 0x82: break;

   332

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

   333

			default:   return CMD_ERROR;

   334

		}

   335

   336

		return RemoveShipDepot(tile, flags);

   337

	}

   338

}

   339

   340

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

   341

static bool IsWateredTile(TileIndex tile)

   342

{

   343

	byte m5 = _m[tile].m5;

   344

   345

	switch (GetTileType(tile)) {

   346

		case MP_WATER:

   347

			// true, if not coast/riverbank

   348

			return m5 != 1;

   349

   350

		case MP_STATION:

   351

			// returns true if it is a dock-station

   352

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

   353

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

   354

   355

		case MP_TUNNELBRIDGE:

   356

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

   357

   358

		default:

   359

			return false;

   360

	}

   361

}

   362

   363

// draw a canal styled water tile with dikes around

   364

void DrawCanalWater(TileIndex tile)

   365

{

   366

	uint wa;

   367

   368

	// determine the edges around with water.

   369

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

   370

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

   371

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

   372

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

   373

   374

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

   375

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

   376

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

   377

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

   378

   379

	// right corner

   380

	switch (wa & 0x03) {

   381

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

   382

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

   383

	}

   384

   385

	// bottom corner

   386

	switch (wa & 0x06) {

   387

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

   388

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

   389

	}

   390

   391

	// left corner

   392

	switch (wa & 0x0C) {

   393

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

   394

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

   395

	}

   396

   397

	// upper corner

   398

	switch (wa & 0x09) {

   399

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

   400

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

   401

	}

   402

}

   403

   404

typedef struct LocksDrawTileStruct {

   405

	int8 delta_x, delta_y, delta_z;

   406

	byte width, height, depth;

   407

	SpriteID image;

   408

} LocksDrawTileStruct;

   409

   410

#include "table/water_land.h"

   411

   412

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

   413

	uint32 palette, uint base

   414

)

   415

{

   416

	DrawGroundSprite(wdts++->image);

   417

   418

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

   419

		uint32 image = wdts->image + base;

   420

		if (_display_opt & DO_TRANS_BUILDINGS) {

   421

			MAKE_TRANSPARENT(image);

   422

		} else {

   423

			image |= palette;

   424

		}

   425

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

   426

	}

   427

}

   428

   429

static void DrawTile_Water(TileInfo *ti)

   430

{

   431

	// draw water tile

   432

	if (ti->map5 == 0) {

   433

		DrawGroundSprite(SPR_FLAT_WATER_TILE);

   434

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

   435

		return;

   436

	}

   437

   438

	// draw shore

   439

	if (ti->map5 == 1) {

   440

		assert(ti->tileh < 16);

   441

		DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   442

		return;

   443

	}

   444

   445

	// draw shiplift

   446

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

   447

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

   448

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

   449

		return;

   450

	}

   451

   452

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

   453

}

   454

   455

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

   456

{

   457

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   458

   459

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

   460

   461

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

   462

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

   463

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

   464

	}

   465

}

   466

   467

   468

static uint GetSlopeZ_Water(const TileInfo* ti)

   469

{

   470

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

   471

}

   472

   473

static uint GetSlopeTileh_Water(const TileInfo *ti)

   474

{

   475

	return ti->tileh;

   476

}

   477

   478

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   479

{

   480

	/* not used */

   481

}

   482

   483

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   484

{

   485

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

   486

		td->str = STR_3804_WATER;

   487

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

   488

		td->str = STR_LANDINFO_CANAL;

   489

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

   490

		td->str = STR_3805_COAST_OR_RIVERBANK;

   491

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

   492

		td->str = STR_LANDINFO_LOCK;

   493

	} else {

   494

		td->str = STR_3806_SHIP_DEPOT;

   495

	}

   496