1

/* $Id$ */

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#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "debug.h"

     6

#include "functions.h"

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#include "table/strings.h"

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#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"

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#include "player.h"

    18

#include "airport.h"

    19

#include "vehicle_gui.h"

    20

    21

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

    22

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

    23

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

    24

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

    25

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

    26

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

    27

static void CrashAirplane(Vehicle *v);

    28

    29

static void AircraftNextAirportPos_and_Order(Vehicle *v);

    30

static byte GetAircraftFlyingAltitude(const Vehicle *v);

    31

    32

static const SpriteID _aircraft_sprite[] = {

    33

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

    34

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

    35

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

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

    37

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

    38

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

    39

	0x0EBD, 0x0EC5

    40

};

    41

    42

/* Find the nearest hangar to v

    43

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

    44

 * airports (like helipads only)

    45

 */

    46

static StationID FindNearestHangar(const Vehicle *v)

    47

{

    48

	const Station *st;

    49

	uint best = 0;

    50

	StationID index = INVALID_STATION;

    51

    52

	FOR_ALL_STATIONS(st) {

    53

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

    54

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

    55

			uint distance;

    56

    57

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

    58

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

    59

					!_cheats.no_jetcrash.value)

    60

				continue;

    61

    62

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

    63

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

    64

				best = distance;

    65

				index = st->index;

    66

			}

    67

		}

    68

	}

    69

	return index;

    70

}

    71

    72

#if 0

    73

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

    74

static bool HaveHangarInOrderList(Vehicle *v)

    75

{

    76

	const Order *order;

    77

    78

	FOR_VEHICLE_ORDERS(v, order) {

    79

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

    80

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

    81

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

    82

			// it surely doesn't have any hangars

    83

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

    84

				return true;

    85

		}

    86

	}

    87

    88

	return false;

    89

}

    90

#endif

    91

    92

int GetAircraftImage(const Vehicle *v, byte direction)

    93

{

    94

	int spritenum = v->spritenum;

    95

    96

	if (is_custom_sprite(spritenum)) {

    97

		int sprite = GetCustomVehicleSprite(v, direction);

    98

    99

		if (sprite) return sprite;

   100

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

   101

	}

   102

	return direction + _aircraft_sprite[spritenum];

   103

}

   104

   105

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

   106

{

   107

	int spritenum = AircraftVehInfo(engine)->image_index;

   108

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

   109

   110

	if (is_custom_sprite(spritenum)) {

   111

		sprite = GetCustomVehicleIcon(engine, 6);

   112

		if (!sprite)

   113

			spritenum = orig_aircraft_vehicle_info[engine - AIRCRAFT_ENGINES_INDEX].image_index;

   114

	}

   115

   116

	DrawSprite(sprite | image_ormod, x, y);

   117

   118

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

   119

		DrawSprite(0xF3D, x, y-5);

   120

	}

   121

}

   122

   123

/* Allocate many vehicles */

   124

static bool AllocateVehicles(Vehicle **vl, int num)

   125

{

   126

	int i;

   127

	Vehicle *v;

   128

	bool success = true;

   129

   130

	for(i=0; i!=num; i++) {

   131

		vl[i] = v = AllocateVehicle();

   132

		if (v == NULL) {

   133

			success = false;

   134

			break;

   135

		}

   136

		v->type = 1;

   137

	}

   138

   139

	while (--i >= 0) {

   140

		vl[i]->type = 0;

   141

	}

   142

   143

	return success;

   144

}

   145

   146

int32 EstimateAircraftCost(EngineID engine_type)

   147

{

   148

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

   149

}

   150

   151

   152

/** Build an aircraft.

   153

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

   154

 * @param p1 aircraft type being built (engine)

   155

 * @param p2 unused

   156

 */

   157

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

   158

{

   159

	int32 value;

   160

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

   161

	UnitID unit_num;

   162

	TileIndex tile = TileVirtXY(x, y);

   163

	const AircraftVehicleInfo *avi;

   164

	Engine *e;

   165

   166

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

   167

   168

	value = EstimateAircraftCost(p1);

   169

   170

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

   171

	if (flags & DC_QUERY_COST) return value;

   172

   173

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

   174

   175

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   176

   177

	avi = AircraftVehInfo(p1);

   178

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

   179

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

   180

				IsOrderPoolFull())

   181

					return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   182

   183

	unit_num = GetFreeUnitNumber(VEH_Aircraft);

   184

	if (unit_num > _patches.max_aircraft)

   185

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   186

   187

	if (flags & DC_EXEC) {

   188

		v = vl[0];

   189

		u = vl[1];

   190

   191

		v->unitnumber = unit_num;

   192

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

   193

		v->direction = 3;

   194

   195

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

   196

   197

		v->tile = tile;

   198

//		u->tile = 0;

   199

   200

		x = TileX(tile) * 16 + 5;

   201

		y = TileY(tile) * 16 + 3;

   202

   203

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

   204

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

   205

   206

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

   207

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

   208

   209

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

   210

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

   211

   212

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

   213

		v->z_height = 5;

   214

   215

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

   216

		u->z_height = 1;

   217

   218

		v->vehstatus = VS_HIDDEN | VS_STOPPED | VS_DEFPAL;

   219

		u->vehstatus = VS_HIDDEN | VS_UNCLICKABLE | VS_DISASTER;

   220

   221

		v->spritenum = avi->image_index;

   222

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

   223

   224

		v->cargo_cap = avi->passenger_capacity;

   225

		u->cargo_cap = avi->mail_capacity;

   226

   227

		v->cargo_type = CT_PASSENGERS;

   228

		u->cargo_type = CT_MAIL;

   229

   230

		v->string_id = STR_SV_AIRCRAFT_NAME;

   231

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

   232

   233

//		v->load_unload_time_rem = 0;

   234

//		v->progress = 0;

   235

		v->last_station_visited = INVALID_STATION;

   236

//		v->destination_coords = 0;

   237

   238

		v->max_speed = avi->max_speed;

   239

		v->acceleration = avi->acceleration;

   240

		v->engine_type = p1;

   241

   242

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

   243

		v->value = value;

   244

   245

		u->subtype = 4;

   246

   247

		e = GetEngine(p1);

   248

		v->reliability = e->reliability;

   249

		v->reliability_spd_dec = e->reliability_spd_dec;

   250

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

   251

   252

		_new_aircraft_id = v->index;

   253

   254

		v->u.air.pos = MAX_ELEMENTS;

   255

   256

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

   257

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

   258

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

   259

		 * of all depots, it is simple */

   260

		{

   261

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

   262

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

   263

			uint i;

   264

   265

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

   266

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

   267

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

   268

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

   269

					break;

   270

				}

   271

			}

   272

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

   273

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

   274

		}

   275

   276

		v->u.air.state = HANGAR;

   277

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

   278

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

   279

		v->next = u;

   280

   281

		v->service_interval = _patches.servint_aircraft;

   282

   283

		v->date_of_last_service = _date;

   284

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

   285

   286

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

   287

   288

		VehiclePositionChanged(v);

   289

		VehiclePositionChanged(u);

   290

   291

		// Aircraft with 3 vehicles (chopper)?

   292

		if (v->subtype == 0) {

   293

			w = vl[2];

   294

   295

			u->next = w;

   296

   297

			w->type = VEH_Aircraft;

   298

			w->direction = 0;

   299

			w->owner = _current_player;

   300

			w->x_pos = v->x_pos;

   301

			w->y_pos = v->y_pos;

   302

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

   303

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

   304

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

   305

			w->z_height = 1;

   306

			w->vehstatus = VS_HIDDEN | VS_UNCLICKABLE;

   307

			w->subtype = 6;

   308

			w->cur_image = 0xF3D;

   309

			VehiclePositionChanged(w);

   310

		}

   311

   312

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   313

		RebuildVehicleLists();

   314

		InvalidateWindow(WC_COMPANY, v->owner);

   315

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

   316

	}

   317

   318

	return value;

   319

}

   320

   321

bool IsAircraftHangarTile(TileIndex tile)

   322

{

   323

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

   324

	// 0x20 - hangar large airport (32)

   325

	// 0x41 - hangar small airport (65)

   326

	return IsTileType(tile, MP_STATION) &&

   327

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

   328

}

   329

   330

bool CheckStoppedInHangar(Vehicle *v)

   331

{

   332

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

   333

		_error_message = STR_A01B_AIRCRAFT_MUST_BE_STOPPED;

   334

		return false;

   335

	}

   336

   337

	return true;

   338

}

   339

   340

   341

static void DoDeleteAircraft(Vehicle *v)

   342

{

   343

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   344

	RebuildVehicleLists();

   345

	InvalidateWindow(WC_COMPANY, v->owner);

   346

	DeleteVehicleChain(v);

   347

	InvalidateWindowClasses(WC_AIRCRAFT_LIST);

   348

}

   349

   350

/** Sell an aircraft.

   351

 * @param x,y unused

   352

 * @param p1 vehicle ID to be sold

   353

 * @param p2 unused

   354

 */

   355

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

   356

{

   357

	Vehicle *v;

   358

   359

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   360

   361

	v = GetVehicle(p1);

   362

   363

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

   364

		return CMD_ERROR;

   365

   366

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   367

   368

	if (flags & DC_EXEC) {

   369

		// Invalidate depot

   370

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   371

		DoDeleteAircraft(v);

   372

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

   373

	}

   374

   375

	return -(int32)v->value;

   376

}

   377

   378

/** Start/Stop an aircraft.

   379

 * @param x,y unused

   380

 * @param p1 aircraft ID to start/stop

   381

 * @param p2 unused

   382

 */

   383

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

   384

{

   385

	Vehicle *v;

   386

   387

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   388

   389

	v = GetVehicle(p1);

   390

   391

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

   392

   393

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

   394

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

   395

		return_cmd_error(STR_A017_AIRCRAFT_IS_IN_FLIGHT);

   396

   397

	if (flags & DC_EXEC) {

   398

		v->vehstatus ^= VS_STOPPED;

   399

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

   400

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   401

		InvalidateWindowClasses(WC_AIRCRAFT_LIST);

   402

	}

   403

   404

	return 0;

   405

}

   406

   407

/** Send an aircraft to the hangar.

   408

 * @param x,y unused

   409

 * @param p1 vehicle ID to send to the hangar

   410

 * @param p2 various bitmasked elements

   411

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

   412

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

   413

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

   414

 */

   415

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

   416

{

   417

	Vehicle *v;

   418

   419

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   420

   421

	v = GetVehicle(p1);

   422

   423

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

   424

   425

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

   426

		if (flags & DC_EXEC) {

   427

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

   428

			v->current_order.type = OT_DUMMY;

   429

			v->current_order.flags = 0;

   430

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

   431

		}

   432

	} else {

   433

		bool next_airport_has_hangar = true;

   434

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

   435

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

   436

		const Station *st = GetStation(next_airport_index);

   437

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

   438

		// it surely doesn't have any hangars

   439

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

   440

			StationID station;

   441

   442

			if (p2 != 0) return CMD_ERROR;

   443

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

   444

			station = FindNearestHangar(v);

   445

   446

			next_airport_has_hangar = false;

   447

			if (station == INVALID_STATION) return CMD_ERROR;

   448

			st = GetStation(station);

   449

			next_airport_index = station;

   450

   451

		}

   452

   453

		if (flags & DC_EXEC) {

   454

			v->current_order.type = OT_GOTO_DEPOT;

   455

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

   456

			v->current_order.station = next_airport_index;

   457

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

   458

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

   459

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

   460

				AircraftNextAirportPos_and_Order(v);

   461

				v->u.air.targetairport = next_airport_index;

   462

			}

   463

		}

   464

	}

   465

   466

	return 0;

   467

}

   468

   469

/** Change the service interval for aircraft.

   470

 * @param x,y unused

   471

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

   472

 * @param p2 new service interval

   473

 */

   474

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

   475

{

   476

	Vehicle *v;

   477

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

   478

   479

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

   480

   481

	v = GetVehicle(p1);

   482

   483

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

   484

   485

	if (flags & DC_EXEC) {

   486

		v->service_interval = serv_int;

   487

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

   488

	}

   489

   490

	return 0;

   491

}

   492

   493

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

   494

 * @param x,y unused

   495

 * @param p1 vehicle ID of the aircraft to refit

   496

 * @param p2 various bitstuffed elements

   497

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

   498

 * - p2 = (bit 8)   - skip check for stopped in hangar, used by autoreplace (p2 & 0x100)

   499

 * @todo p2 bit8 check <b>NEEDS TO GO</b>

   500

 */

   501

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

   502

{