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

    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,

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	0,

    35

	0,

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	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 tile tile where ship depot is built

    46

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

    47

 * @param p2 unused

    48

 */

    49

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

    50

{

    51

	TileIndex 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

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    61

    62

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

    63

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    64

    65

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

    66

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    67

    70

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

    71

	if (CmdFailed(ret)) return CMD_ERROR;

    72

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

    73

	if (CmdFailed(ret)) return CMD_ERROR;

    74

    75

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

    76

	cost = 0;

    77

    78

	depot = AllocateDepot();

    79

	if (depot == NULL) return CMD_ERROR;

    80

    81

	if (flags & DC_EXEC) {

    82

		depot->xy = 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 = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);

   127

	if (CmdFailed(ret)) return CMD_ERROR;

   128

   129

	delta = TileOffsByDir(dir);

   130

	// lower tile

   131

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

   132

	if (CmdFailed(ret)) return CMD_ERROR;

   133

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

   134

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   135

	}

   136

   137

	// upper tile

   138

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

   139

	if (CmdFailed(ret)) return CMD_ERROR;

   140

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

   141

		return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   142

	}

   143

   146

	if (flags & DC_EXEC) {

   147

		MakeLock(tile, dir);

   148

		MarkTileDirtyByTile(tile);

   149

		MarkTileDirtyByTile(tile - delta);

   150

		MarkTileDirtyByTile(tile + delta);

   151

	}

   152

   153

	return _price.clear_water * 22 >> 3;

   154

}

   155

   156

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   157

{

   158

	TileIndexDiff delta = TileOffsByDir(GetLockDirection(tile));

   159

   160

	// make sure no vehicle is on the tile.

   161

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

   162

		return CMD_ERROR;

   163

   164

	if (flags & DC_EXEC) {

   165

		DoClearSquare(tile);

   166

		DoClearSquare(tile + delta);

   167

		DoClearSquare(tile - delta);

   168

	}

   169

   170

	return _price.clear_water * 2;

   171

}

   172

   173

static void MarkTilesAroundDirty(TileIndex tile)

   174

{

   175

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

   176

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

   177

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

   178

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

   179

}

   180

   181

/** Builds a lock (ship-lift)

   182

 * @param tile tile where to place the lock

   183

 * @param p1 unused

   184

 * @param p2 unused

   185

 */

   186

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

   187

{

   188

	DiagDirection dir;

   189

   190

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   191

   192

	switch (GetTileSlope(tile, NULL)) {

   193

		case SLOPE_SW: dir = DIAGDIR_SW; break;

   194

		case SLOPE_SE: dir = DIAGDIR_SE; break;

   195

		case SLOPE_NW: dir = DIAGDIR_NW; break;

   196

		case SLOPE_NE: dir = DIAGDIR_NE; break;

   197

		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   198

	}

   199

	return DoBuildShiplift(tile, dir, flags);

   200

}

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   202

/** Build a piece of canal.

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 * @param tile end tile of stretch-dragging

   204

 * @param p1 start tile of stretch-dragging

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 * @param p2 unused

   206

 */

   207

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

   208

{

   209

	int32 cost;

   210

	int size_x, size_y;

   211

	int x;

   212

	int y;

   213

	int sx, sy;

   214

   215

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

   216

   217

	x = TileX(tile);

   218

	y = TileY(tile);

   219

	sx = TileX(p1);

   220

	sy = TileY(p1);

   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)) {

   236

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

   237

			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);

   238

		}

   239

   240

		// can't make water of water!

   241

		if (IsTileType(tile, MP_WATER)) continue;

   242

   246

   247

		if (flags & DC_EXEC) {

   249

			MarkTileDirtyByTile(tile);

   250

			MarkTilesAroundDirty(tile);

   251

		}

   252

   253

		cost += _price.clear_water;

   254

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

   255

   256

	if (cost == 0) {

   257

		return_cmd_error(STR_1007_ALREADY_BUILT);

   258

	} else {

   259

		return cost;

   260

	}

   261

}

   262

   263

static int32 ClearTile_Water(TileIndex tile, byte flags)

   264

{

   265

	switch (GetWaterTileType(tile)) {

   266

		case WATER_CLEAR:

   267

			if (flags & DC_NO_WATER) return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   268

   269

			// Make sure no vehicle is on the tile

   270

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   271

   272

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

   273

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

   274

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

   275

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   276

			}

   277

   278

			if (flags & DC_EXEC) DoClearSquare(tile);

   279

			return _price.clear_water;

   280

   281

		case WATER_COAST: {

   282

			Slope slope = GetTileSlope(tile, NULL);

   283

   284

			// Make sure no vehicle is on the tile

   285

			if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   286

   287

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

   288

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

   289

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

   290

				return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   291

			}

   292

   293

			if (flags & DC_EXEC) DoClearSquare(tile);

   294

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

   295

				return _price.clear_water;

   296

			} else {

   297

				return _price.purchase_land;

   298

			}

   299

		}

   300

   301

		case WATER_LOCK: {

   302

			static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

   303

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

   304

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

   305

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

   306

			};

   307

   308

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   309

			if (_current_player == OWNER_WATER) return CMD_ERROR;

   310

			// move to the middle tile..

   311

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

   312

		}

   313

   314

		case WATER_DEPOT:

   315

			if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   316

   317

			return RemoveShipDepot(tile, flags);

   318

   319

		default:

   320

			NOT_REACHED();

   321

			return 0;

   322

	}

   323

   324

	return 0; // useless but silences warning

   325

}

   326

   327

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

   328

static bool IsWateredTile(TileIndex tile)

   329

{

   330

	switch (GetTileType(tile)) {

   334

	}

   335

}

   336

   337

// draw a canal styled water tile with dikes around

   338

void DrawCanalWater(TileIndex tile)

   339

{

   340

	uint wa;

   341

   342

	// determine the edges around with water.

   343

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

   344

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

   345

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

   346

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

   347

   348

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

   349

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

   350

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

   351

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

   352

   353

	// right corner

   354

	switch (wa & 0x03) {

   355

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

   356

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

   357

	}

   358

   359

	// bottom corner

   360

	switch (wa & 0x06) {

   361

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

   362

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

   363

	}

   364

   365

	// left corner

   366

	switch (wa & 0x0C) {

   367

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

   368

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

   369

	}

   370

   371

	// upper corner

   372

	switch (wa & 0x09) {

   373

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

   374

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

   375

	}

   376

}

   377

   378

typedef struct LocksDrawTileStruct {

   379

	int8 delta_x, delta_y, delta_z;

   380

	byte width, height, depth;

   381

	SpriteID image;

   382

} LocksDrawTileStruct;

   383

   384

#include "table/water_land.h"

   385

   386

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

   387

	uint32 palette, uint base

   388

)

   389

{

   390

	DrawGroundSprite(wdts++->image);

   391

   392

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

   393

		uint32 image = wdts->image + base;

   394

		if (_display_opt & DO_TRANS_BUILDINGS) {

   395

			MAKE_TRANSPARENT(image);

   396

		} else {

   397

			image |= palette;

   398

		}

   399

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

   400

	}

   401

}

   402

   403

static void DrawTile_Water(TileInfo *ti)

   404

{

   405

	switch (GetWaterTileType(ti->tile)) {

   406

		case WATER_CLEAR:

   407

			DrawGroundSprite(SPR_FLAT_WATER_TILE);

   408

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

   410

			break;

   411

   412

		case WATER_COAST:

   413

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

   414

			DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   416

			break;

   417

   418

		case WATER_LOCK: {

   419

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

   420

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

   421

		} break;

   422

   423

		case WATER_DEPOT:

   424

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

   425

			break;

   426

	}

   427

}

   428

   429

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

   430

{

   431

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   432

   433

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

   434

   435

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

   436

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

   437

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

   438

	}

   439

}

   440

   441

   442

static uint GetSlopeZ_Water(const TileInfo* ti)

   443

{

   444

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

   445

}

   446

   447

static Slope GetSlopeTileh_Water(TileIndex tile, Slope tileh)

   448

{

   449

	return tileh;

   450

}

   451

   452

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   453

{

   454

	/* not used */

   455

}

   456

   457

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   458

{

   459

	switch (GetWaterTileType(tile)) {

   460

		case WATER_CLEAR:

   461

			if (TilePixelHeight(tile) == 0) {

   462

				td->str = STR_3804_WATER;

   463

			} else {

   464

				td->str = STR_LANDINFO_CANAL;

   465

			}

   466

			break;

   467

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

   468

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

   469

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

   470

		default: assert(0); break;

   471

	}

   472

   473

	td->owner = GetTileOwner(tile);

   474

}

   475

   476

static void AnimateTile_Water(TileIndex tile)

   477

{

   478

	/* not used */

   479

}

   480

   481

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

   482

{

   483

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

   484

   485

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

   486

	if (IsTileType(target, MP_WATER)) return;

   487

   488

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

   489

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

   490

		return;

   491

	}