1

/* $Id$ */

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#include "stdafx.h"

     4

#include "openttd.h"

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#include "debug.h"

     6

#include "functions.h"

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#include "table/strings.h"

     8

#include "map.h"

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#include "tile.h"

    10

#include "vehicle.h"

    11

#include "depot.h"

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#include "engine.h"

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#include "command.h"

    14

#include "station.h"

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#include "news.h"

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#include "sound.h"

    17

#include "player.h"

    18

#include "airport.h"

    19

#include "vehicle_gui.h"

    20

#include "table/sprites.h"

    21

    22

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

    23

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

    24

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

    25

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

    26

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

    27

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

    28

static void CrashAirplane(Vehicle *v);

    29

    30

static void AircraftNextAirportPos_and_Order(Vehicle *v);

    31

static byte GetAircraftFlyingAltitude(const Vehicle *v);

    32

    33

static const SpriteID _aircraft_sprite[] = {

    34

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

    35

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

    36

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

    37

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

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

    39

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

    40

	0x0EBD, 0x0EC5

    41

};

    42

    43

/* Find the nearest hangar to v

    44

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

    45

 * airports (like helipads only)

    46

 */

    47

static StationID FindNearestHangar(const Vehicle *v)

    48

{

    49

	const Station *st;

    50

	uint best = 0;

    51

	StationID index = INVALID_STATION;

    52

    53

	FOR_ALL_STATIONS(st) {

    54

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

    55

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

    56

			uint distance;

    57

    58

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

    59

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

    60

					!_cheats.no_jetcrash.value)

    61

				continue;

    62

    63

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

    64

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

    65

				best = distance;

    66

				index = st->index;

    67

			}

    68

		}

    69

	}

    70

	return index;

    71

}

    72

    73

#if 0

    74

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

    75

static bool HaveHangarInOrderList(Vehicle *v)

    76

{

    77

	const Order *order;

    78

    79

	FOR_VEHICLE_ORDERS(v, order) {

    80

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

    81

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

    82

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

    83

			// it surely doesn't have any hangars

    84

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

    85

				return true;

    86

		}

    87

	}

    88

    89

	return false;

    90

}

    91

#endif

    92

    93

int GetAircraftImage(const Vehicle *v, byte direction)

    94

{

    95

	int spritenum = v->spritenum;

    96

    97

	if (is_custom_sprite(spritenum)) {

    98

		int sprite = GetCustomVehicleSprite(v, direction);

    99

   100

		if (sprite) return sprite;

   101

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

   102

	}

   103

	return direction + _aircraft_sprite[spritenum];

   104

}

   105

   106

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

   107

{

   108

	int spritenum = AircraftVehInfo(engine)->image_index;

   109

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

   110

   111

	if (is_custom_sprite(spritenum)) {

   112

		sprite = GetCustomVehicleIcon(engine, 6);

   113

		if (!sprite)

   114

			spritenum = orig_aircraft_vehicle_info[engine - AIRCRAFT_ENGINES_INDEX].image_index;

   115

	}

   116

   117

	DrawSprite(sprite | image_ormod, x, y);

   118

   119

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

   120

		DrawSprite(SPR_ROTOR_STOPPED, x, y - 5);

   121

	}

   122

}

   123

   124

static int32 EstimateAircraftCost(EngineID engine_type)

   125

{

   126

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

   127

}

   128

   129

   130

/** Build an aircraft.

   131

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

   132

 * @param p1 aircraft type being built (engine)

   133

 * @param p2 unused

   134

 */

   135

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

   136

{

   137

	int32 value;

   138

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

   139

	UnitID unit_num;

   140

	TileIndex tile = TileVirtXY(x, y);

   141

	const AircraftVehicleInfo *avi;

   142

	Engine *e;

   143

   144

	if (!IsEngineBuildable(p1, VEH_Aircraft)) return CMD_ERROR;

   145

   146

	value = EstimateAircraftCost(p1);

   147

   148

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

   149

	if (flags & DC_QUERY_COST) return value;

   150

   151

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

   152

   153

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   154

   155

	avi = AircraftVehInfo(p1);

   156

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

   157

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

   158

			IsOrderPoolFull()) {

   159

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   160

	}

   161

   162

	unit_num = GetFreeUnitNumber(VEH_Aircraft);

   163

	if (unit_num > _patches.max_aircraft)

   164

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   165

   166

	if (flags & DC_EXEC) {

   167

		v = vl[0];

   168

		u = vl[1];

   169

   170

		v->unitnumber = unit_num;

   171

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

   172

		v->direction = 3;

   173

   174

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

   175

   176

		v->tile = tile;

   177

//		u->tile = 0;

   178

   179

		x = TileX(tile) * 16 + 5;

   180

		y = TileY(tile) * 16 + 3;

   181

   182

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

   183

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

   184

   185

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

   186

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

   187

   188

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

   189

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

   190

   191

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

   192

		v->z_height = 5;

   193

   194

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

   195

		u->z_height = 1;

   196

   197

		v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;

   198

		u->vehstatus = VS_HIDDEN | VS_UNCLICKABLE | VS_DISASTER;

   199

   200

		v->spritenum = avi->image_index;

   201

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

   202

   203

		v->cargo_cap = avi->passenger_capacity;

   204

		u->cargo_cap = avi->mail_capacity;

   205

   206

		v->cargo_type = CT_PASSENGERS;

   207

		u->cargo_type = CT_MAIL;

   208

   209

		v->string_id = STR_SV_AIRCRAFT_NAME;

   210

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

   211

   212

//		v->load_unload_time_rem = 0;

   213

//		v->progress = 0;

   214

		v->last_station_visited = INVALID_STATION;

   215

//		v->destination_coords = 0;

   216

   217

		v->max_speed = avi->max_speed;

   218

		v->acceleration = avi->acceleration;

   219

		v->engine_type = p1;

   220

   221

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

   222

		v->value = value;

   223

   224

		u->subtype = 4;

   225

   226

		e = GetEngine(p1);

   227

		v->reliability = e->reliability;

   228

		v->reliability_spd_dec = e->reliability_spd_dec;

   229

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

   230

   231

		_new_aircraft_id = v->index;

   232

		_new_vehicle_id = v->index;

   233

   234

		v->u.air.pos = MAX_ELEMENTS;

   235

   236

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

   237

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

   238

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

   239

		 * of all depots, it is simple */

   240

		{

   241

			const Station* st = GetStation(_m[tile].m2);

   242

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

   243

			uint i;

   244

   245

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

   246

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

   247

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

   248

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

   249

					break;

   250

				}

   251

			}

   252

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

   253

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

   254

		}

   255

   256

		v->u.air.state = HANGAR;

   257

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

   258

		v->u.air.targetairport = _m[tile].m2;

   259

		v->next = u;

   260

   261

		v->service_interval = _patches.servint_aircraft;

   262

   263

		v->date_of_last_service = _date;

   264

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

   265

   266

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

   267

   271

		VehiclePositionChanged(v);

   272

		VehiclePositionChanged(u);

   273

   274

		// Aircraft with 3 vehicles (chopper)?

   275

		if (v->subtype == 0) {

   276

			w = vl[2];

   277

   278

			u->next = w;

   279

   280

			w->type = VEH_Aircraft;

   281

			w->direction = 0;

   282

			w->owner = _current_player;

   283

			w->x_pos = v->x_pos;

   284

			w->y_pos = v->y_pos;

   285

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

   286

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

   287

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

   288

			w->z_height = 1;

   289

			w->vehstatus = VS_HIDDEN | VS_UNCLICKABLE;

   290

			w->subtype = 6;

   291

			w->cur_image = SPR_ROTOR_STOPPED;

   293

			VehiclePositionChanged(w);

   294

		}

   295

   296

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   297

		RebuildVehicleLists();

   298

		InvalidateWindow(WC_COMPANY, v->owner);

   299

		if (IsLocalPlayer())

   300

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

   301

	}

   302

   303

	return value;

   304

}

   305

   306

bool IsAircraftHangarTile(TileIndex tile)

   307

{

   308

	// 0x56 - hangar facing other way international airport (86)

   309

	// 0x20 - hangar large airport (32)

   310

	// 0x41 - hangar small airport (65)

   311

	return IsTileType(tile, MP_STATION) &&

   312

				(_m[tile].m5 == 32 || _m[tile].m5 == 65 || _m[tile].m5 == 86);

   313

}

   314

   315

bool CheckStoppedInHangar(const Vehicle* v)

   316

{

   317

	if (!(v->vehstatus & VS_STOPPED) || !IsAircraftHangarTile(v->tile)) {

   318

		_error_message = STR_A01B_AIRCRAFT_MUST_BE_STOPPED;

   319

		return false;

   320

	}

   321

   322

	return true;

   323

}

   324

   325

   326

static void DoDeleteAircraft(Vehicle *v)

   327

{

   328

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   329

	RebuildVehicleLists();

   330

	InvalidateWindow(WC_COMPANY, v->owner);

   331

	DeleteVehicleChain(v);

   332

	InvalidateWindowClasses(WC_AIRCRAFT_LIST);

   333

}

   334

   335

/** Sell an aircraft.

   336

 * @param x,y unused

   337

 * @param p1 vehicle ID to be sold

   338

 * @param p2 unused

   339

 */

   340

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

   341

{

   342

	Vehicle *v;

   343

   344

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   345

   346

	v = GetVehicle(p1);

   347

   348

	if (v->type != VEH_Aircraft || !CheckOwnership(v->owner) || !CheckStoppedInHangar(v))

   349

		return CMD_ERROR;

   350

   351

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   352

   353

	if (flags & DC_EXEC) {

   354

		// Invalidate depot

   355

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   356

		DoDeleteAircraft(v);

   357

		if (IsLocalPlayer())

   358

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

   359

	}

   360

   361

	return -(int32)v->value;

   362

}

   363

   364

/** Start/Stop an aircraft.

   365

 * @param x,y unused

   366

 * @param p1 aircraft ID to start/stop

   367

 * @param p2 unused

   368

 */

   369

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

   370

{

   371

	Vehicle *v;

   372

   373

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   374

   375

	v = GetVehicle(p1);

   376

   377

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

   378

   379

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

   380

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

   381

		return_cmd_error(STR_A017_AIRCRAFT_IS_IN_FLIGHT);

   382

   383

	if (flags & DC_EXEC) {

   384

		v->vehstatus ^= VS_STOPPED;

   385

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

   386

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   387

		InvalidateWindowClasses(WC_AIRCRAFT_LIST);

   388

	}

   389

   390

	return 0;

   391

}

   392

   393

/** Send an aircraft to the hangar.

   394

 * @param x,y unused

   395

 * @param p1 vehicle ID to send to the hangar

   396

 * @param p2 various bitmasked elements

   397

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

   398

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

   399

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

   400

 */

   401

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

   402

{

   403

	Vehicle *v;

   404

   405

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   406

   407

	v = GetVehicle(p1);

   408

   409

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

   410

   411

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

   412

		if (flags & DC_EXEC) {

   413

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

   414

			v->current_order.type = OT_DUMMY;

   415

			v->current_order.flags = 0;

   416

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

   417

		}

   418

	} else {

   419

		bool next_airport_has_hangar = true;

   420

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

   421

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

   422

		const Station *st = GetStation(next_airport_index);

   423

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

   424

		// it surely doesn't have any hangars

   425

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

   426

			StationID station;

   427

   428

			if (p2 != 0) return CMD_ERROR;

   429

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

   430

			station = FindNearestHangar(v);

   431

   432

			next_airport_has_hangar = false;

   433

			if (station == INVALID_STATION) return CMD_ERROR;

   434

			st = GetStation(station);

   435

			next_airport_index = station;

   436

   437

		}

   438

   439

		if (flags & DC_EXEC) {

   440

			v->current_order.type = OT_GOTO_DEPOT;

   441

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

   442

			v->current_order.station = next_airport_index;

   443

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

   444

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

   445

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

   446

				AircraftNextAirportPos_and_Order(v);

   447

				v->u.air.targetairport = next_airport_index;

   448

			}

   449

		}

   450

	}

   451

   452

	return 0;

   453

}

   454

   455

/** Change the service interval for aircraft.

   456

 * @param x,y unused

   457

 * @param p1 vehicle ID that is being service-interval-changed

   458

 * @param p2 new service interval

   459

 */

   460

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

   461

{

   462

	Vehicle *v;

   463

	uint16 serv_int = GetServiceIntervalClamped(p2); /* Double check the service interval from the user-input */

   464

   465

	if (serv_int != p2 || !IsVehicleIndex(p1)) return CMD_ERROR;

   466

   467

	v = GetVehicle(p1);

   468

   469

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

   470

   471

	if (flags & DC_EXEC) {

   472

		v->service_interval = serv_int;

   473

		InvalidateWindowWidget(WC_VEHICLE_DETAILS, v->index, 7);

   474

	}

   475

   476

	return 0;

   477

}

   478

   479

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

   480

 * @param x,y unused

   481

 * @param p1 vehicle ID of the aircraft to refit

   482

 * @param p2 various bitstuffed elements

   483

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

   484

 */

   485

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

   486

{

   487

	Vehicle *v;

   488

	int pass, mail;

   489

	int32 cost;

   490

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

   491

	const AircraftVehicleInfo *avi;

   492

   493

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   494

   495

	v = GetVehicle(p1);

   496

   497

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

   498

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

   499