1

/* $Id$ */

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     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "debug.h"

     6

#include "functions.h"

     7

#include "station_map.h"

     8

#include "table/strings.h"

     9

#include "map.h"

    10

#include "tile.h"

    11

#include "vehicle.h"

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#include "depot.h"

    13

#include "engine.h"

    14

#include "command.h"

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#include "station.h"

    16

#include "news.h"

    17

#include "sound.h"

    18

#include "player.h"

    19

#include "airport.h"

    20

#include "vehicle_gui.h"

    21

#include "table/sprites.h"

    22

#include "newgrf_engine.h"

    23

    24

static bool AirportMove(Vehicle *v, const AirportFTAClass *Airport);

    25

static bool AirportSetBlocks(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *Airport);

    26

static bool AirportHasBlock(Vehicle *v, AirportFTA *current_pos, const AirportFTAClass *Airport);

    27

static bool AirportFindFreeTerminal(Vehicle *v, const AirportFTAClass *Airport);

    28

static bool AirportFindFreeHelipad(Vehicle *v, const AirportFTAClass *Airport);

    29

static void AirportGoToNextPosition(Vehicle *v, const AirportFTAClass *Airport);

    30

static void CrashAirplane(Vehicle *v);

    31

    32

static void AircraftNextAirportPos_and_Order(Vehicle *v);

    33

static byte GetAircraftFlyingAltitude(const Vehicle *v);

    34

    35

static const SpriteID _aircraft_sprite[] = {

    36

	0x0EB5, 0x0EBD, 0x0EC5, 0x0ECD,

    37

	0x0ED5, 0x0EDD, 0x0E9D, 0x0EA5,

    38

	0x0EAD, 0x0EE5, 0x0F05, 0x0F0D,

    39

	0x0F15, 0x0F1D, 0x0F25, 0x0F2D,

    40

	0x0EED, 0x0EF5, 0x0EFD, 0x0F35,

    41

	0x0E9D, 0x0EA5, 0x0EAD, 0x0EB5,

    42

	0x0EBD, 0x0EC5

    43

};

    44

    45

/* Find the nearest hangar to v

    46

 * INVALID_STATION is returned, if the player does not have any suitable

    47

 * airports (like helipads only)

    48

 */

    49

static StationID FindNearestHangar(const Vehicle *v)

    50

{

    51

	const Station *st;

    52

	uint best = 0;

    53

	StationID index = INVALID_STATION;

    54

    55

	FOR_ALL_STATIONS(st) {

    56

		if (st->owner == v->owner && st->facilities & FACIL_AIRPORT &&

    57

				GetAirport(st->airport_type)->nof_depots > 0) {

    58

			uint distance;

    59

    60

			// don't crash the plane if we know it can't land at the airport

    61

			if (HASBIT(v->subtype, 1) && st->airport_type == AT_SMALL &&

    62

					!_cheats.no_jetcrash.value)

    63

				continue;

    64

    65

			distance = DistanceSquare(v->tile, st->airport_tile);

    66

			if (distance < best || index == INVALID_STATION) {

    67

				best = distance;

    68

				index = st->index;

    69

			}

    70

		}

    71

	}

    72

	return index;

    73

}

    74

    75

#if 0

    76

// returns true if vehicle v have an airport in the schedule, that has a hangar

    77

static bool HaveHangarInOrderList(Vehicle *v)

    78

{

    79

	const Order *order;

    80

    81

	FOR_VEHICLE_ORDERS(v, order) {

    82

		const Station *st = GetStation(order->station);

    83

		if (st->owner == v->owner && st->facilities & FACIL_AIRPORT) {

    84

			// If an airport doesn't have terminals (so no landing space for airports),

    85

			// it surely doesn't have any hangars

    86

			if (GetAirport(st->airport_type)->terminals != NULL)

    87

				return true;

    88

		}

    89

	}

    90

    91

	return false;

    92

}

    93

#endif

    94

    95

int GetAircraftImage(const Vehicle* v, Direction direction)

    96

{

    97

	int spritenum = v->spritenum;

    98

    99

	if (is_custom_sprite(spritenum)) {

   100

		int sprite = GetCustomVehicleSprite(v, direction);

   101

   102

		if (sprite != 0) return sprite;

   103

		spritenum = orig_aircraft_vehicle_info[v->engine_type - AIRCRAFT_ENGINES_INDEX].image_index;

   104

	}

   105

	return direction + _aircraft_sprite[spritenum];

   106

}

   107

   108

void DrawAircraftEngine(int x, int y, EngineID engine, uint32 image_ormod)

   109

{

   110

	int spritenum = AircraftVehInfo(engine)->image_index;

   111

	int sprite = (6 + _aircraft_sprite[spritenum]);

   112

   113

	if (is_custom_sprite(spritenum)) {

   114

		sprite = GetCustomVehicleIcon(engine, DIR_W);

   115

		if (!sprite)

   116

			spritenum = orig_aircraft_vehicle_info[engine - AIRCRAFT_ENGINES_INDEX].image_index;

   117

	}

   118

   119

	DrawSprite(sprite | image_ormod, x, y);

   120

   121

	if ((AircraftVehInfo(engine)->subtype & 1) == 0) {

   122

		DrawSprite(SPR_ROTOR_STOPPED, x, y - 5);

   123

	}

   124

}

   125

   126

static int32 EstimateAircraftCost(EngineID engine_type)

   127

{

   128

	return AircraftVehInfo(engine_type)->base_cost * (_price.aircraft_base>>3)>>5;

   129

}

   130

   131

   132

/** Build an aircraft.

   133

 * @param tile tile of depot where aircraft is built

   134

 * @param p1 aircraft type being built (engine)

   135

 * @param p2 unused

   136

 */

   137

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

   138

{

   139

	int32 value;

   140

	Vehicle *vl[3], *v, *u, *w;

   141

	UnitID unit_num;

   142

	const AircraftVehicleInfo *avi;

   143

	Engine *e;

   144

   145

	if (!IsEngineBuildable(p1, VEH_Aircraft)) return_cmd_error(STR_ENGINE_NOT_BUILDABLE);

   146

   147

	value = EstimateAircraftCost(p1);

   148

   149

	// to just query the cost, it is not neccessary to have a valid tile (automation/AI)

   150

	if (flags & DC_QUERY_COST) return value;

   151

   152

	if (!IsHangarTile(tile) || !IsTileOwner(tile, _current_player)) return CMD_ERROR;

   153

   154

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   155

   156

	avi = AircraftVehInfo(p1);

   157

	// allocate 2 or 3 vehicle structs, depending on type

   158

	if (!AllocateVehicles(vl, (avi->subtype & 1) == 0 ? 3 : 2) ||

   159

			IsOrderPoolFull()) {

   160

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   161

	}

   162

   163

	unit_num = GetFreeUnitNumber(VEH_Aircraft);

   164

	if (unit_num > _patches.max_aircraft)

   165

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   166

   167

	if (flags & DC_EXEC) {

   168

		uint x;

   169

		uint y;

   170

   171

		v = vl[0];

   172

		u = vl[1];

   173

   174

		v->unitnumber = unit_num;

   175

		v->type = u->type = VEH_Aircraft;

   176

		v->direction = 3;

   177

   178

		v->owner = u->owner = _current_player;

   179

   180

		v->tile = tile;

   181

//		u->tile = 0;

   182

   183

		x = TileX(tile) * TILE_SIZE + 5;

   184

		y = TileY(tile) * TILE_SIZE + 3;

   185

   186

		v->x_pos = u->x_pos = x;

   187

		v->y_pos = u->y_pos = y;

   188

   189

		u->z_pos = GetSlopeZ(x, y);

   190

		v->z_pos = u->z_pos + 1;

   191

   192

		v->x_offs = v->y_offs = -1;

   193

//		u->delta_x = u->delta_y = 0;

   194

   195

		v->sprite_width = v->sprite_height = 2;

   196

		v->z_height = 5;

   197

   198

		u->sprite_width = u->sprite_height = 2;

   199

		u->z_height = 1;

   200

   201

		v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;

   202

		u->vehstatus = VS_HIDDEN | VS_UNCLICKABLE | VS_DISASTER;

   203

   204

		v->spritenum = avi->image_index;

   205

//		v->cargo_count = u->number_of_pieces = 0;

   206

   207

		v->cargo_cap = avi->passenger_capacity;

   208

		u->cargo_cap = avi->mail_capacity;

   209

   210

		v->cargo_type = CT_PASSENGERS;

   211

		u->cargo_type = CT_MAIL;

   212

   213

		v->string_id = STR_SV_AIRCRAFT_NAME;

   214

//		v->next_order_param = v->next_order = 0;

   215

   216

//		v->load_unload_time_rem = 0;

   217

//		v->progress = 0;

   218

		v->last_station_visited = INVALID_STATION;

   219

//		v->destination_coords = 0;

   220

   221

		v->max_speed = avi->max_speed;

   222

		v->acceleration = avi->acceleration;

   223

		v->engine_type = p1;

   224

   225

		v->subtype = (avi->subtype & 1) == 0 ? 0 : 2;

   226

		v->value = value;

   227

   228

		u->subtype = 4;

   229

   230

		e = GetEngine(p1);

   231

		v->reliability = e->reliability;

   232

		v->reliability_spd_dec = e->reliability_spd_dec;

   233

		v->max_age = e->lifelength * 366;

   234

   235

		_new_aircraft_id = v->index;

   236

		_new_vehicle_id = v->index;

   237

   238

		v->u.air.pos = MAX_ELEMENTS;

   239

   240

		/* When we click on hangar we know the tile it is on. By that we know

   241

		 * its position in the array of depots the airport has.....we can search

   242

		 * layout for #th position of depot. Since layout must start with a listing

   243

		 * of all depots, it is simple */

   244

		{

   245

			const Station* st = GetStationByTile(tile);

   246

			const AirportFTAClass* apc = GetAirport(st->airport_type);

   247

			uint i;

   248

   249

			for (i = 0; i < apc->nof_depots; i++) {

   250

				if (st->airport_tile + ToTileIndexDiff(apc->airport_depots[i]) == tile) {

   251

					assert(apc->layout[i].heading == HANGAR);

   252

					v->u.air.pos = apc->layout[i].position;

   253

					break;

   254

				}

   255

			}

   256

			// to ensure v->u.air.pos has been given a value

   257

			assert(v->u.air.pos != MAX_ELEMENTS);

   258

		}

   259

   260

		v->u.air.state = HANGAR;

   261

		v->u.air.previous_pos = v->u.air.pos;

   262

		v->u.air.targetairport = GetStationIndex(tile);

   263

		v->next = u;

   264

   265

		v->service_interval = _patches.servint_aircraft;

   266

   267

		v->date_of_last_service = _date;

   268

		v->build_year = u->build_year = _cur_year;

   269

   270

		v->cur_image = u->cur_image = 0xEA0;

   271

   272

		v->random_bits = VehicleRandomBits();

   273

		u->random_bits = VehicleRandomBits();

   274

   275

		VehiclePositionChanged(v);

   276

		VehiclePositionChanged(u);

   277

   278

		// Aircraft with 3 vehicles (chopper)?

   279

		if (v->subtype == 0) {

   280

			w = vl[2];

   281

   282

			u->next = w;

   283

   284

			w->type = VEH_Aircraft;

   285

			w->direction = 0;

   286

			w->owner = _current_player;

   287

			w->x_pos = v->x_pos;

   288

			w->y_pos = v->y_pos;

   289

			w->z_pos = v->z_pos + 5;

   290

			w->x_offs = w->y_offs = -1;

   291

			w->sprite_width = w->sprite_height = 2;

   292

			w->z_height = 1;

   293

			w->vehstatus = VS_HIDDEN | VS_UNCLICKABLE;

   294

			w->subtype = 6;

   295

			w->cur_image = SPR_ROTOR_STOPPED;

   296

			w->random_bits = VehicleRandomBits();

   297

			VehiclePositionChanged(w);

   298

		}

   299

   300

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   301

		RebuildVehicleLists();

   302

		InvalidateWindow(WC_COMPANY, v->owner);

   303

		if (IsLocalPlayer())

   304

			InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Aircraft); //updates the replace Aircraft window

   305

	}

   306

   307

	return value;

   308

}

   309

   310

   311

bool CheckStoppedInHangar(const Vehicle* v)

   312

{

   313

	return v->vehstatus & VS_STOPPED && IsHangarTile(v->tile);

   314

}

   315

   316

   317

static void DoDeleteAircraft(Vehicle *v)

   318

{

   319

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   320

	RebuildVehicleLists();

   321

	InvalidateWindow(WC_COMPANY, v->owner);

   322

	DeleteVehicleChain(v);

   323

	InvalidateWindowClasses(WC_AIRCRAFT_LIST);

   324

}

   325

   326

/** Sell an aircraft.

   327

 * @param tile unused

   328

 * @param p1 vehicle ID to be sold

   329

 * @param p2 unused

   330

 */

   331

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

   332

{

   333

	Vehicle *v;

   334

   335

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   336

   337

	v = GetVehicle(p1);

   338

   339

	if (v->type != VEH_Aircraft || !CheckOwnership(v->owner)) return CMD_ERROR;

   340

	if (!CheckStoppedInHangar(v)) return_cmd_error(STR_A01B_AIRCRAFT_MUST_BE_STOPPED);

   341

   342

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   343

   344

	if (flags & DC_EXEC) {

   345

		// Invalidate depot

   346

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   347

		DoDeleteAircraft(v);

   348

		if (IsLocalPlayer())

   349

			InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Aircraft); // updates the replace Aircraft window

   350

	}

   351

   352

	return -(int32)v->value;

   353

}

   354

   355

/** Start/Stop an aircraft.

   356

 * @param tile unused

   357

 * @param p1 aircraft ID to start/stop

   358

 * @param p2 unused

   359

 */

   360

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

   361

{

   362

	Vehicle *v;

   363

   364

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   365

   366

	v = GetVehicle(p1);

   367

   368

	if (v->type != VEH_Aircraft || !CheckOwnership(v->owner)) return CMD_ERROR;

   369

   370

	// cannot stop airplane when in flight, or when taking off / landing

   371

	if (v->u.air.state >= STARTTAKEOFF)

   372

		return_cmd_error(STR_A017_AIRCRAFT_IS_IN_FLIGHT);

   373

   374

	if (flags & DC_EXEC) {

   375

		if (v->vehstatus & VS_STOPPED && IsHangarTile(v->tile)) {

   376

			DeleteVehicleNews(p1, STR_A014_AIRCRAFT_IS_WAITING_IN);

   377

		}

   378

   379

		v->vehstatus ^= VS_STOPPED;

   380

		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);

   381

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   382

		InvalidateWindowClasses(WC_AIRCRAFT_LIST);

   383

	}

   384

   385

	return 0;

   386

}

   387

   388

/** Send an aircraft to the hangar.

   389

 * @param tile unused

   390

 * @param p1 vehicle ID to send to the hangar

   391

 * @param p2 various bitmasked elements

   392

 * - p2 = 0      - aircraft goes to the depot and stays there (user command)

   393

 * - p2 non-zero - aircraft will try to goto a depot, but not stop there (eg forced servicing)

   394

 * - p2 (bit 17) - aircraft will try to goto a depot at the next airport

   395

 */

   396

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

   397

{

   398

	Vehicle *v;

   399

   400

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   401

   402

	v = GetVehicle(p1);

   403

   404

	if (v->type != VEH_Aircraft || !CheckOwnership(v->owner)) return CMD_ERROR;

   405

   406

	if (v->current_order.type == OT_GOTO_DEPOT && p2 == 0) {

   407

		if (flags & DC_EXEC) {

   408

			if (v->current_order.flags & OF_UNLOAD) v->cur_order_index++;

   409

			v->current_order.type = OT_DUMMY;

   410

			v->current_order.flags = 0;

   411

			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);

   412

		}

   413

	} else {

   414

		bool next_airport_has_hangar = true;

   415

		/* XXX - I don't think p2 is any valid station cause all calls use either 0, 1, or 1<<16!!!!!!!!! */

   416

		StationID next_airport_index = (HASBIT(p2, 17)) ? (StationID)p2 : v->u.air.targetairport;

   417

		const Station *st = GetStation(next_airport_index);

   418

		// If an airport doesn't have terminals (so no landing space for airports),

   419

		// it surely doesn't have any hangars

   420

		if (!IsValidStation(st) || st->airport_tile == 0 || GetAirport(st->airport_type)->nof_depots == 0) {

   421

			StationID station;

   422

   423

			if (p2 != 0) return CMD_ERROR;

   424

			// the aircraft has to search for a hangar on its own

   425

			station = FindNearestHangar(v);

   426

   427

			next_airport_has_hangar = false;

   428

			if (station == INVALID_STATION) return CMD_ERROR;

   429

			st = GetStation(station);

   430

			next_airport_index = station;

   431

   432

		}

   433

   434

		if (flags & DC_EXEC) {

   435

			v->current_order.type = OT_GOTO_DEPOT;

   436

			v->current_order.flags = HASBIT(p2, 16) ? 0 : OF_NON_STOP | OF_FULL_LOAD;

   437

			v->current_order.station = next_airport_index;

   438

			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR);

   439

			if (HASBIT(p2, 17) || (p2 == 0 && v->u.air.state == FLYING && !next_airport_has_hangar)) {

   440

			// the aircraft is now heading for a different hangar than the next in the orders

   441

				AircraftNextAirportPos_and_Order(v);

   442

				v->u.air.targetairport = next_airport_index;

   443

			}

   444

		}

   445

	}

   446

   447

	return 0;

   448

}

   449

   450

   451

/** Refits an aircraft to the specified cargo type.

   452

 * @param tile unused

   453

 * @param p1 vehicle ID of the aircraft to refit

   454

 * @param p2 various bitstuffed elements

   455

 * - p2 = (bit 0-7) - the new cargo type to refit to

   456

 */

   457

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

   458

{

   459

	Vehicle *v;

   460

	int pass, mail;

   461

	int32 cost;

   462

	CargoID new_cid = GB(p2, 0, 8);

   463

	const AircraftVehicleInfo *avi;

   464

   465

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   466

   467

	v = GetVehicle(p1);

   468

   469

	if (v->type != VEH_Aircraft || !CheckOwnership(v->owner)) return CMD_ERROR;

   470

	if (!CheckStoppedInHangar(v)) return_cmd_error(STR_A01B_AIRCRAFT_MUST_BE_STOPPED);

   471

   472

	avi = AircraftVehInfo(v->engine_type);

   473

   474

	/* Check cargo */

   475

	if (new_cid > NUM_CARGO || !CanRefitTo(v->engine_type, new_cid)) return CMD_ERROR;

   476

   477

	SET_EXPENSES_TYPE(EXPENSES_AIRCRAFT_RUN);

   478

   479

	switch (new_cid) {

   480

		case CT_PASSENGERS:

   481

			pass = avi->passenger_capacity;

   482

			break;

   483

		case CT_MAIL:

   484

			pass = avi->passenger_capacity + avi->mail_capacity;

   485

			break;

   486

		case CT_GOODS:

   487

			pass = avi->passenger_capacity + avi->mail_capacity;

   488

			pass /= 2;

   489

			break;

   490

		default:

   491

			pass = avi->passenger_capacity + avi->mail_capacity;

   492

			pass /= 4;

   493

			break;

   494

	}

   495

	_returned_refit_capacity = pass;

   496

   497