1

/* $Id$ */

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     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "debug.h"

     6

#include "functions.h"

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#include "table/strings.h"

     8

#include "map.h"

     9

#include "tile.h"

    10

#include "vehicle.h"

    11

#include "depot.h"

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#include "engine.h"

    13

#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,

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	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

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) ||

   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

   268

		VehiclePositionChanged(v);

   269

		VehiclePositionChanged(u);

   270

   271

		// Aircraft with 3 vehicles (chopper)?

   272

		if (v->subtype == 0) {

   273

			w = vl[2];

   274

   275

			u->next = w;

   276

   277

			w->type = VEH_Aircraft;

   278

			w->direction = 0;

   279

			w->owner = _current_player;

   280

			w->x_pos = v->x_pos;

   281

			w->y_pos = v->y_pos;

   282

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

   283

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

   284

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

   285

			w->z_height = 1;

   286

			w->vehstatus = VS_HIDDEN | VS_UNCLICKABLE;

   287

			w->subtype = 6;

   288

			w->cur_image = SPR_ROTOR_STOPPED;

   289

			VehiclePositionChanged(w);

   290

		}

   291

   292

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   293

		RebuildVehicleLists();

   294

		InvalidateWindow(WC_COMPANY, v->owner);

   295

		if (IsLocalPlayer())

   296

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

   297

	}

   298

   299

	return value;

   300

}

   301

   302

bool IsAircraftHangarTile(TileIndex tile)

   303

{

   304

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

   305

	// 0x20 - hangar large airport (32)

   306

	// 0x41 - hangar small airport (65)

   307

	return IsTileType(tile, MP_STATION) &&

   308

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

   309

}

   310

   311

bool CheckStoppedInHangar(const Vehicle* v)

   312

{

   313

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

   314

		_error_message = STR_A01B_AIRCRAFT_MUST_BE_STOPPED;

   315

		return false;

   316

	}

   317

   318

	return true;

   319

}

   320

   321

   322

static void DoDeleteAircraft(Vehicle *v)

   323

{

   324

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   325

	RebuildVehicleLists();

   326

	InvalidateWindow(WC_COMPANY, v->owner);

   327

	DeleteVehicleChain(v);

   328

	InvalidateWindowClasses(WC_AIRCRAFT_LIST);

   329

}

   330

   331

/** Sell an aircraft.

   332

 * @param x,y unused

   333

 * @param p1 vehicle ID to be sold

   334

 * @param p2 unused

   335

 */

   336

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

   337

{

   338

	Vehicle *v;

   339

   340

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   341

   342

	v = GetVehicle(p1);

   343

   344

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

   345

		return CMD_ERROR;

   346

   347

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   348

   349

	if (flags & DC_EXEC) {

   350

		// Invalidate depot

   351

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   352

		DoDeleteAircraft(v);

   353

		if (IsLocalPlayer())

   354

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

   355

	}

   356

   357

	return -(int32)v->value;

   358

}

   359

   360

/** Start/Stop an aircraft.

   361

 * @param x,y unused

   362

 * @param p1 aircraft ID to start/stop

   363

 * @param p2 unused

   364

 */

   365

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

   366

{

   367

	Vehicle *v;

   368

   369

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   370

   371

	v = GetVehicle(p1);

   372

   373

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

   374

   375

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

   376

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

   377

		return_cmd_error(STR_A017_AIRCRAFT_IS_IN_FLIGHT);

   378

   379

	if (flags & DC_EXEC) {

   380

		v->vehstatus ^= VS_STOPPED;

   381

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

   382

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   383

		InvalidateWindowClasses(WC_AIRCRAFT_LIST);

   384

	}

   385

   386

	return 0;

   387

}

   388

   389

/** Send an aircraft to the hangar.

   390

 * @param x,y unused

   391

 * @param p1 vehicle ID to send to the hangar

   392

 * @param p2 various bitmasked elements

   393

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

   394

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

   395

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

   396

 */

   397

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

   398

{

   399

	Vehicle *v;

   400

   401

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   402

   403

	v = GetVehicle(p1);

   404

   405

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

   406

   407

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

   408

		if (flags & DC_EXEC) {

   409

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

   410

			v->current_order.type = OT_DUMMY;

   411

			v->current_order.flags = 0;

   412

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

   413

		}

   414

	} else {

   415

		bool next_airport_has_hangar = true;

   416

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

   417

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

   418

		const Station *st = GetStation(next_airport_index);

   419

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

   420

		// it surely doesn't have any hangars

   421

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

   422

			StationID station;

   423

   424

			if (p2 != 0) return CMD_ERROR;

   425

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

   426

			station = FindNearestHangar(v);

   427

   428

			next_airport_has_hangar = false;

   429

			if (station == INVALID_STATION) return CMD_ERROR;

   430

			st = GetStation(station);

   431

			next_airport_index = station;

   432

   433

		}

   434

   435

		if (flags & DC_EXEC) {

   436

			v->current_order.type = OT_GOTO_DEPOT;

   437

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

   438

			v->current_order.station = next_airport_index;

   439

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

   440

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

   441

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

   442

				AircraftNextAirportPos_and_Order(v);

   443

				v->u.air.targetairport = next_airport_index;

   444

			}

   445

		}

   446

	}

   447

   448

	return 0;

   449

}

   450

   451

/** Change the service interval for aircraft.

   452

 * @param x,y unused

   453

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

   454

 * @param p2 new service interval

   455

 */

   456

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

   457

{

   458

	Vehicle *v;

   459

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

   460

   461

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

   462

   463

	v = GetVehicle(p1);

   464

   465

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

   466

   467

	if (flags & DC_EXEC) {

   468

		v->service_interval = serv_int;

   469

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

   470

	}

   471

   472

	return 0;

   473

}

   474

   475

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

   476

 * @param x,y unused

   477

 * @param p1 vehicle ID of the aircraft to refit

   478

 * @param p2 various bitstuffed elements

   479

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

   480

 */

   481

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

   482

{

   483

	Vehicle *v;

   484

	int pass, mail;

   485

	int32 cost;

   486

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

   487

	const AircraftVehicleInfo *avi;

   488

   489

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   490

   491

	v = GetVehicle(p1);

   492

   493

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

   494

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

   495

   496

	avi = AircraftVehInfo(v->engine_type);

   497

   498

	/* Check cargo */

   499

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