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/* $Id$ */

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/** @file station_cmd.cpp */

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#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "aircraft.h"

     8

#include "bridge_map.h"

     9

#include "cmd_helper.h"

    10

#include "debug.h"

    11

#include "functions.h"

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#include "landscape.h"

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#include "station_map.h"

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#include "table/sprites.h"

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#include "table/strings.h"

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#include "map.h"

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#include "tile.h"

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#include "station.h"

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#include "gfx.h"

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#include "window.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 "vehicle.h"

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#include "news.h"

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#include "saveload.h"

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#include "economy.h"

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#include "player.h"

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#include "airport.h"

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#include "sprite.h"

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#include "depot.h"

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#include "train.h"

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#include "roadveh.h"

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#include "water_map.h"

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#include "industry_map.h"

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#include "newgrf_callbacks.h"

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#include "newgrf_station.h"

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#include "yapf/yapf.h"

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#include "date.h"

    40

#include "helpers.hpp"

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#include "misc/autoptr.hpp"

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#include "road.h"

    43

#include "cargotype.h"

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#include "strings.h"

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#include "table/station_air.h"

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#include "airport_states.h"

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#include "newgrf_fsmports.h"

    48

    52

    53

/**

    58

 */

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{

    72

	}

    79

}

    80

    81

RoadStop* GetRoadStopByTile(TileIndex tile, RoadStop::Type type)

    82

{

    83

	const Station* st = GetStationByTile(tile);

    84

    85

	for (RoadStop *rs = st->GetPrimaryRoadStop(type);; rs = rs->next) {

    86

		if (rs->xy == tile) return rs;

    87

		assert(rs->next != NULL);

    88

	}

    89

}

    90

    91

    92

static uint GetNumRoadStopsInStation(const Station* st, RoadStop::Type type)

    93

{

    94

	uint num = 0;

    95

    96

	assert(st != NULL);

    97

	for (const RoadStop *rs = st->GetPrimaryRoadStop(type); rs != NULL; rs = rs->next) {

    98

		num++;

    99

	}

   100

   101

	return num;

   102

}

   103

   104

   105

/* Calculate the radius of the station. Basicly it is the biggest

   106

 *  radius that is available within the station */

   107

static uint FindCatchmentRadius(const Station* st)

   108

{

   109

	uint ret = CA_NONE;

   110

   111

	if (st->bus_stops   != NULL) ret = max<uint>(ret, CA_BUS);

   112

	if (st->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);

   113

	if (st->train_tile  != 0)    ret = max<uint>(ret, CA_TRAIN);

   114

	if (st->dock_tile   != 0)    ret = max<uint>(ret, CA_DOCK);

   115

	if (st->airport_tile)        ret = max<uint>(ret, st->Airport()->catchment);

   116

   117

	return ret;

   118

}

   119

   120

#define CHECK_STATIONS_ERR ((Station*)-1)

   121

   122

static Station* GetStationAround(TileIndex tile, int w, int h, StationID closest_station)

   123

{

   124

	/* check around to see if there's any stations there */

   125

	BEGIN_TILE_LOOP(tile_cur, w + 2, h + 2, tile - TileDiffXY(1, 1))

   126

		if (IsTileType(tile_cur, MP_STATION)) {

   127

			StationID t = GetStationIndex(tile_cur);

   128

   129

			if (closest_station == INVALID_STATION) {

   130

				closest_station = t;

   131

			} else if (closest_station != t) {

   132

				_error_message = STR_3006_ADJOINS_MORE_THAN_ONE_EXISTING;

   133

				return CHECK_STATIONS_ERR;

   134

			}

   135

		}

   136

	END_TILE_LOOP(tile_cur, w + 2, h + 2, tile - TileDiffXY(1, 1))

   137

	return (closest_station == INVALID_STATION) ? NULL : GetStation(closest_station);

   138

}

   139

   146

   147

/**

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 * Counts the numbers of tiles matching a specific type in the area around

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 * @param tile the center tile of the 'count area'

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 * @param type the type of tile searched for

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 * @param industry when type == MP_INDUSTRY, the type of the industry,

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 *                 in all other cases this parameter is ignored

   153

 * @return the result the noumber of matching tiles around

   154

 */

   156

{

   157

	int num = 0;

   158

   159

	for (int dx = -3; dx <= 3; dx++) {

   160

		for (int dy = -3; dy <= 3; dy++) {

   162

		}

   163

	}

   164

   165

	return num;

   166

}

   167

   234

#define M(x) ((x) - STR_SV_STNAME)

   235

   236

static bool GenerateStationName(Station *st, TileIndex tile, int flag)

   237

{

   238

	static const uint32 _gen_station_name_bits[] = {

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		0,                                      /* 0 */

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		1 << M(STR_SV_STNAME_AIRPORT),          /* 1 */

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		1 << M(STR_SV_STNAME_OILFIELD),         /* 2 */

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		1 << M(STR_SV_STNAME_DOCKS),            /* 3 */

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		0x1FF << M(STR_SV_STNAME_BUOY_1),       /* 4 */

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		1 << M(STR_SV_STNAME_HELIPORT),         /* 5 */

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	};

   246

   247

	Town *t = st->town;

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	uint32 free_names = (uint32)-1;

   249

	int found;

   250

	unsigned long tmp;

   251

   252

	{

   253

		Station *s;

   254

   255

		FOR_ALL_STATIONS(s) {

   256

			if (s != st && s->town == t) {

   257

				uint str = M(s->string_id);

   258

				if (str <= 0x20) {

   259

					if (str == M(STR_SV_STNAME_FOREST))

   260

						str = M(STR_SV_STNAME_WOODS);

   261

					CLRBIT(free_names, str);

   262

				}

   263

			}

   264

		}

   265

	}

   266

   267

	/* check default names */

   268

	tmp = free_names & _gen_station_name_bits[flag];

   269

	if (tmp != 0) {

   270

		found = FindFirstBit(tmp);

   271

		goto done;

   272

	}

   273

   274

	/* check mine? */

   275

	if (HASBIT(free_names, M(STR_SV_STNAME_MINES))) {

   277

			found = M(STR_SV_STNAME_MINES);

   278

			goto done;

   279

		}

   280

	}

   281

   282

	/* check close enough to town to get central as name? */

   283

	if (DistanceMax(tile, t->xy) < 8) {

   284

		found = M(STR_SV_STNAME);

   285

		if (HASBIT(free_names, M(STR_SV_STNAME))) goto done;

   286

   287

		found = M(STR_SV_STNAME_CENTRAL);

   288

		if (HASBIT(free_names, M(STR_SV_STNAME_CENTRAL))) goto done;

   289

	}

   290

   291

	/* Check lakeside */

   292

	if (HASBIT(free_names, M(STR_SV_STNAME_LAKESIDE)) &&

   293

			DistanceFromEdge(tile) < 20 &&

   295

		found = M(STR_SV_STNAME_LAKESIDE);

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		goto done;

   297

	}

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   299

	/* Check woods */

   300

	if (HASBIT(free_names, M(STR_SV_STNAME_WOODS)) && (

   303

			) {

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		found = _opt.landscape == LT_TROPIC ?

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			M(STR_SV_STNAME_FOREST) : M(STR_SV_STNAME_WOODS);

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		goto done;

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	}

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   309

	/* check elevation compared to town */

   310

	{

   311

		uint z = GetTileZ(tile);

   312

		uint z2 = GetTileZ(t->xy);

   313

		if (z < z2) {

   314

			found = M(STR_SV_STNAME_VALLEY);

   315

			if (HASBIT(free_names, M(STR_SV_STNAME_VALLEY))) goto done;

   316

		} else if (z > z2) {

   317

			found = M(STR_SV_STNAME_HEIGHTS);

   318

			if (HASBIT(free_names, M(STR_SV_STNAME_HEIGHTS))) goto done;

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		}

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	}

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	/* check direction compared to town */

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	{

   324

		static const int8 _direction_and_table[] = {

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			~( (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),

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			~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_NORTH)) ),

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			~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),

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			~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) ),

   329

		};

   330

   331

		free_names &= _direction_and_table[

   332

			(TileX(tile) < TileX(t->xy)) +

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			(TileY(tile) < TileY(t->xy)) * 2];

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	}

   335

   336

	tmp = free_names & ((1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 6) | (1 << 7) | (1 << 12) | (1 << 26) | (1 << 27) | (1 << 28) | (1 << 29) | (1 << 30));

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	found = (tmp == 0) ? M(STR_SV_STNAME_FALLBACK) : FindFirstBit(tmp);

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   339

done:

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	st->string_id = found + STR_SV_STNAME;

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	return true;

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}

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#undef M

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   345

static Station* GetClosestStationFromTile(TileIndex tile)

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{

   347

	uint threshold = 8;

   348

	Station* best_station = NULL;

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	Station* st;

   350

   351

	FOR_ALL_STATIONS(st) {

   352

		if (st->facilities == 0 && st->owner == _current_player) {

   353

			uint cur_dist = DistanceManhattan(tile, st->xy);

   354

   355

			if (cur_dist < threshold) {

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				threshold = cur_dist;

   357

				best_station = st;

   358

			}

   359

		}

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	}

   361

   362

	return best_station;

   363

}

   364

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// Update the virtual coords needed to draw the station sign.

   366

// st = Station to update for.

   367

static void UpdateStationVirtCoord(Station *st)

   368

{

   369

	Point pt = RemapCoords2(TileX(st->xy) * TILE_SIZE, TileY(st->xy) * TILE_SIZE);

   370

   371

	pt.y -= 32;

   372

	if (st->facilities & FACIL_AIRPORT && st->airport_type == AT_OILRIG) pt.y -= 16;

   373

   374

	SetDParam(0, st->index);

   375

	SetDParam(1, st->facilities);

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	UpdateViewportSignPos(&st->sign, pt.x, pt.y, STR_305C_0);

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}

   378

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// Update the virtual coords needed to draw the station sign for all stations.

   380

void UpdateAllStationVirtCoord()

   381

{

   382

	Station* st;

   383

   384

	FOR_ALL_STATIONS(st) {

   385

		UpdateStationVirtCoord(st);

   386

	}

   387

}

   388

   389

// Update the station virt coords while making the modified parts dirty.

   390

static void UpdateStationVirtCoordDirty(Station *st)

   391

{

   392

	st->MarkDirty();

   393

	UpdateStationVirtCoord(st);

   394

	st->MarkDirty();

   395

}

   396

   397

// Get a mask of the cargo types that the station accepts.

   398

static uint GetAcceptanceMask(const Station *st)

   399

{

   400

	uint mask = 0;

   401

   402

	for (CargoID i = 0; i < NUM_CARGO; i++) {

   403

		if (st->goods[i].acceptance) mask |= 1 << i;

   404

	}

   405

	return mask;

   406

}

   407

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// Items contains the two cargo names that are to be accepted or rejected.

   409

// msg is the string id of the message to display.

   410

static void ShowRejectOrAcceptNews(const Station *st, uint num_items, CargoID *cargo, StringID msg)

   411

{

   412

	for (uint i = 0; i < num_items; i++) {

   413

		SetDParam(i + 1, GetCargo(cargo[i])->name);

   414

	}

   415

   416

	SetDParam(0, st->index);

   417

	AddNewsItem(msg, NEWS_FLAGS(NM_SMALL, NF_VIEWPORT | NF_TILE, NT_ACCEPTANCE, 0), st->xy, 0);

   418

}

   419

   420

// Get a list of the cargo types being produced around the tile.

   421

void GetProductionAroundTiles(AcceptedCargo produced, TileIndex tile,

   422

	int w, int h, int rad)

   423

{

   424

	memset(produced, 0, sizeof(AcceptedCargo));

   425

   426

	int x = TileX(tile);

   427

	int y = TileY(tile);

   428

   429

	// expand the region by rad tiles on each side

   430

	// while making sure that we remain inside the board.

   431

	int x2 = min(x + w + rad, MapSizeX());

   432

	int x1 = max(x - rad, 0);

   433

   434

	int y2 = min(y + h + rad, MapSizeY());

   435

	int y1 = max(y - rad, 0);

   436

   437

	assert(x1 < x2);

   438

	assert(y1 < y2);

   439

	assert(w > 0);

   440

	assert(h > 0);

   441

   442

	for (int yc = y1; yc != y2; yc++) {

   443

		for (int xc = x1; xc != x2; xc++) {

   444

			if (!(IS_INSIDE_1D(xc, x, w) && IS_INSIDE_1D(yc, y, h))) {

   445

				TileIndex tile = TileXY(xc, yc);

   446

   447

				GetProducedCargoProc *gpc = _tile_type_procs[GetTileType(tile)]->get_produced_cargo_proc;

   448

				if (gpc != NULL) {

   449

					CargoID cargos[2] = { CT_INVALID, CT_INVALID };

   450

   451

					gpc(tile, cargos);

   452

					if (cargos[0] != CT_INVALID) {

   453

						produced[cargos[0]]++;

   454

						if (cargos[1] != CT_INVALID) {

   455

							produced[cargos[1]]++;

   456

						}

   457

					}

   458

				}

   459

			}

   460

		}

   461

	}

   462

}

   463

   464

// Get a list of the cargo types that are accepted around the tile.

   465

void GetAcceptanceAroundTiles(AcceptedCargo accepts, TileIndex tile,

   466

	int w, int h, int rad)

   467

{

   468

	memset(accepts, 0, sizeof(AcceptedCargo));

   469

   470

	int x = TileX(tile);

   471

	int y = TileY(tile);

   472

   473

	// expand the region by rad tiles on each side

   474

	// while making sure that we remain inside the board.

   475

	int x2 = min(x + w + rad, MapSizeX());

   476

	int y2 = min(y + h + rad, MapSizeY());

   477

	int x1 = max(x - rad, 0);

   478

	int y1 = max(y - rad, 0);

   479

   480

	assert(x1 < x2);

   481

	assert(y1 < y2);

   482

	assert(w > 0);

   483

	assert(h > 0);

   484

   485

	for (int yc = y1; yc != y2; yc++) {

   486

		for (int xc = x1; xc != x2; xc++) {

   487

			TileIndex tile = TileXY(xc, yc);

   488

   489

			if (!IsTileType(tile, MP_STATION)) {

   490

				AcceptedCargo ac;

   491

   492

				GetAcceptedCargo(tile, ac);

   493

				for (uint i = 0; i < lengthof(ac); ++i) accepts[i] += ac[i];

   494

			}