1

/* $Id$ */

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#include "stdafx.h"

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#include "openttd.h"

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#include "table/sprites.h"

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#include "table/strings.h"

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#include "functions.h"

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#include "map.h"

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#include "tile.h"

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#include "vehicle.h"

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#include "viewport.h"

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#include "command.h"

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#include "town.h"

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#include "news.h"

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#include "sound.h"

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#include "depot.h"

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#include "vehicle_gui.h"

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#include "train.h"

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#include "water_map.h"

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    21

const SpriteID _water_shore_sprites[15] = {

    22

	0,

    23

	SPR_SHORE_TILEH_1,

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	SPR_SHORE_TILEH_2,

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	SPR_SHORE_TILEH_3,

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	SPR_SHORE_TILEH_4,

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	0,

    28

	SPR_SHORE_TILEH_6,

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	0,

    30

	SPR_SHORE_TILEH_8,

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	SPR_SHORE_TILEH_9,

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	0,

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	0,

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	SPR_SHORE_TILEH_12,

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	0,

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	0

    37

};

    38

    39

    40

static void FloodVehicle(Vehicle *v);

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    42

static bool IsClearWaterTile(TileIndex tile)

    43

{

    44

	return

    45

		IsTileType(tile, MP_WATER) &&

    46

		_m[tile].m5 == 0 &&

    47

		GetTileSlope(tile, NULL) == 0;

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}

    49

    50

/** Build a ship depot.

    51

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

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

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 * @param p2 unused

    54

 */

    55

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

    56

{

    57

	TileIndex tile, tile2;

    58

    59

	int32 cost, ret;

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	Depot *depot;

    61

    62

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

    63

    64

	if (p1 > 1) return CMD_ERROR;

    65

    66

	tile = TileVirtXY(x, y);

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	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

    68

    69

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

    70

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

    71

    72

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

    73

		return_cmd_error(STR_3801_MUST_BE_BUILT_ON_WATER);

    74

    75

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

    76

	if (CmdFailed(ret)) return CMD_ERROR;

    77

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

    78

	if (CmdFailed(ret)) return CMD_ERROR;

    79

    80

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

    81

	cost = 0;

    82

    83

	depot = AllocateDepot();

    84

	if (depot == NULL) return CMD_ERROR;

    85

    86

	if (flags & DC_EXEC) {

    87

		depot->xy = tile;

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		_last_built_ship_depot_tile = tile;

    89

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

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    91

		ModifyTile(tile,

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

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			(0x80 + p1*2)

    94

		);

    95

    96

		ModifyTile(tile2,

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

    98

			(0x81 + p1*2)

    99

		);

   100

	}

   101

   102

	return cost + _price.build_ship_depot;

   103

}

   104

   105

static int32 RemoveShipDepot(TileIndex tile, uint32 flags)

   106

{

   107

	TileIndex tile2;

   108

   109

	if (!CheckTileOwnership(tile)) return CMD_ERROR;

   110

	if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   111

   112

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

   113

   114

	if (!EnsureNoVehicle(tile2)) return CMD_ERROR;

   115

   116

	if (flags & DC_EXEC) {

   117

		/* Kill the depot */

   118

		DoDeleteDepot(tile);

   119

   120

		MakeWater(tile);

   121

		MakeWater(tile2);

   122

		MarkTileDirtyByTile(tile);

   123

		MarkTileDirtyByTile(tile2);

   124

	}

   125

   126

	return _price.remove_ship_depot;

   127

}

   128

   129

// build a shiplift

   130

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

   131

{

   132

	int32 ret;

   133

	int delta;

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   135

	// middle tile

   136

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

   137

	if (CmdFailed(ret)) return CMD_ERROR;

   138

   139

	delta = TileOffsByDir(dir);

   140

	// lower tile

   141

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

   142

	if (CmdFailed(ret)) return CMD_ERROR;

   143

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

   144

   145

	// upper tile

   146

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

   147

	if (CmdFailed(ret)) return CMD_ERROR;

   148

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

   149

   150

	if (flags & DC_EXEC) {

   151

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

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

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

   154

	}

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   156

	return _price.clear_water * 22 >> 3;

   157

}

   158

   159

static int32 RemoveShiplift(TileIndex tile, uint32 flags)

   160

{

   161

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

   162

   163

	// make sure no vehicle is on the tile.

   164

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

   165

		return CMD_ERROR;

   166

   167

	if (flags & DC_EXEC) {

   168

		DoClearSquare(tile);

   169

		DoClearSquare(tile + delta);

   170

		DoClearSquare(tile - delta);

   171

	}

   172

   173

	return _price.clear_water * 2;

   174

}

   175

   176

static void MarkTilesAroundDirty(TileIndex tile)

   177

{

   178

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

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

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

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

   182

}

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   184

/** Builds a lock (ship-lift)

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

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 * @param p1 unused

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 * @param p2 unused

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 */

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

   190

{

   191

	TileIndex tile = TileVirtXY(x, y);

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	DiagDirection dir;

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   194

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

   195

   196

	switch (GetTileSlope(tile, NULL)) {

   197

		case  3: dir = DIAGDIR_SW; break;

   198

		case  6: dir = DIAGDIR_SE; break;

   199

		case  9: dir = DIAGDIR_NW; break;

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		case 12: dir = DIAGDIR_NE; break;

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		default: return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);

   202

	}

   203

	return DoBuildShiplift(tile, dir, flags);

   204

}

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   206

/** Build a piece of canal.

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

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 * @param p1 start tile of stretch-dragging

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 * @param p2 unused

   210

 */

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

   212

{

   213

	int32 cost;

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	int size_x, size_y;

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	int sx, sy;

   216

   217

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

   218

   219

	sx = TileX(p1);

   220

	sy = TileY(p1);

   221

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

   222

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

   223

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

   224

   225

	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);

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   227

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

   228

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

   229

	size_x = (x - sx) + 1;

   230

	size_y = (y - sy) + 1;

   231

   232

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

   233

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

   234

   235

	cost = 0;

   236

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

   237

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

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   241

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   250

   258

   261

   265

			}

   271

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

   272

   278

}

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   280

static int32 ClearTile_Water(TileIndex tile, byte flags)

   281

{

   282

	byte m5 = _m[tile].m5;

   283

   284

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

   285

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

   286

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

   287

			return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);

   288

   289

		// Make sure no vehicle is on the tile

   290

		if (!EnsureNoVehicle(tile)) return CMD_ERROR;

   291

   292

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

   293

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

   294

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

   295

			return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);

   296

		}

   297

   298

		if (m5 == 0) {

   299

			if (flags & DC_EXEC) DoClearSquare(tile);

   300

			return _price.clear_water;

   301

		} else if (m5 == 1) {

   302

			uint slope = GetTileSlope(tile,NULL);

   303

   304

			if (flags & DC_EXEC) DoClearSquare(tile);

   305

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

   306

				return _price.clear_water;

   307

			} else {

   308

				return _price.purchase_land;

   309

			}

   310

		} else {

   311

			return CMD_ERROR;

   312

		}

   313

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

   314

		// shiplift

   315

   316

		static const TileIndexDiffC _shiplift_tomiddle_offs[] = {

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

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

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

   320

		};

   321

   322

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   323

		// don't allow water to delete it.

   324

		if (_current_player == OWNER_WATER) return CMD_ERROR;

   325

		// move to the middle tile..

   326

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

   327

	} else {

   328

		// ship depot

   329

		if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);

   330

   331

		switch (m5) {

   332

			case 0x80: break;

   333

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

   334

			case 0x82: break;

   335

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

   336

			default:   return CMD_ERROR;

   337

		}

   338

   339

		return RemoveShipDepot(tile, flags);

   340

	}

   341

}

   342

   343

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

   344

static bool IsWateredTile(TileIndex tile)

   345

{

   346

	byte m5 = _m[tile].m5;

   347

   348

	switch (GetTileType(tile)) {

   349

		case MP_WATER:

   350

			// true, if not coast/riverbank

   351

			return m5 != 1;

   352

   353

		case MP_STATION:

   354

			// returns true if it is a dock-station

   355

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

   356

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

   357

   358

		case MP_TUNNELBRIDGE:

   359

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

   360

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

   361

   362

		default:

   363

			return false;

   364

	}

   365

}

   366

   367

// draw a canal styled water tile with dikes around

   368

void DrawCanalWater(TileIndex tile)

   369

{

   370

	uint wa;

   371

   372

	// determine the edges around with water.

   373

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

   374

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

   375

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

   376

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

   377

   378

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

   379

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

   380

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

   381

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

   382

   383

	// right corner

   384

	switch (wa & 0x03) {

   385

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

   386

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

   387

	}

   388

   389

	// bottom corner

   390

	switch (wa & 0x06) {

   391

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

   392

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

   393

	}

   394

   395

	// left corner

   396

	switch (wa & 0x0C) {

   397

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

   398

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

   399

	}

   400

   401

	// upper corner

   402

	switch (wa & 0x09) {

   403

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

   404

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

   405

	}

   406

}

   407

   408

typedef struct LocksDrawTileStruct {

   409

	int8 delta_x, delta_y, delta_z;

   410

	byte width, height, depth;

   411

	SpriteID image;

   412

} LocksDrawTileStruct;

   413

   414

#include "table/water_land.h"

   415

   416

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

   417

	uint32 palette, uint base

   418

)

   419

{

   420

	DrawGroundSprite(wdts++->image);

   421

   422

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

   423

		uint32 image = wdts->image + base;

   424

		if (_display_opt & DO_TRANS_BUILDINGS) {

   425

			MAKE_TRANSPARENT(image);

   426

		} else {

   427

			image |= palette;

   428

		}

   429

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

   430

	}

   431

}

   432

   433

static void DrawTile_Water(TileInfo *ti)

   434

{

   435

	// draw water tile

   436

	if (ti->map5 == 0) {

   437

		DrawGroundSprite(SPR_FLAT_WATER_TILE);

   438

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

   439

		return;

   440

	}

   441

   442

	// draw shore

   443

	if (ti->map5 == 1) {

   444

		assert(ti->tileh < 16);

   445

		DrawGroundSprite(_water_shore_sprites[ti->tileh]);

   446

		return;

   447

	}

   448

   449

	// draw shiplift

   450

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

   451

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

   452

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

   453

		return;

   454

	}

   455

   456

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

   457

}

   458

   459

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

   460

{

   461

	const WaterDrawTileStruct *wdts = _shipdepot_display_seq[image];

   462

   463

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

   464

   465

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

   466

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

   467

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

   468

	}

   469

}

   470

   471

   472

static uint GetSlopeZ_Water(const TileInfo* ti)

   473

{

   474

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

   475

}

   476

   477

static uint GetSlopeTileh_Water(const TileInfo *ti)

   478

{

   479

	return ti->tileh;

   480

}

   481

   482

static void GetAcceptedCargo_Water(TileIndex tile, AcceptedCargo ac)

   483

{

   484

	/* not used */

   485

}

   486

   487

static void GetTileDesc_Water(TileIndex tile, TileDesc *td)

   488

{

   489

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

   490

		td->str = STR_3804_WATER;

   491

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

   492

		td->str = STR_LANDINFO_CANAL;

   493

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

   494

		td->str = STR_3805_COAST_OR_RIVERBANK;

   495

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

   496

		td->str = STR_LANDINFO_LOCK;

   497