1

#include "stdafx.h"

     2

#include "openttd.h"

     3

#include "table/strings.h"

     4

#include "map.h"

     5

#include "tile.h"

     6

#include "vehicle.h"

     7

#include "command.h"

     8

#include "pathfind.h"

     9

#include "station.h"

    10

#include "news.h"

    11

#include "engine.h"

    12

#include "gui.h"

    13

#include "player.h"

    14

#include "sound.h"

    15

#include "npf.h"

    16

#include "depot.h"

    17

    18

static const uint16 _ship_sprites[] = {0x0E5D, 0x0E55, 0x0E65, 0x0E6D};

    19

static const byte _ship_sometracks[4] = {0x19, 0x16, 0x25, 0x2A};

    20

    21

static byte GetTileShipTrackStatus(TileIndex tile)

    22

{

    23

	uint32 r = GetTileTrackStatus(tile, TRANSPORT_WATER);

    24

	return r | r >> 8;

    25

}

    26

    27

void DrawShipEngine(int x, int y, int engine, uint32 image_ormod)

    28

{

    29

	int spritenum = ShipVehInfo(engine)->image_index;

    30

    31

	if (is_custom_sprite(spritenum)) {

    32

		int sprite = GetCustomVehicleIcon(engine, 6);

    33

    34

		if (sprite) {

    35

			DrawSprite(sprite | image_ormod, x, y);

    36

			return;

    37

		}

    38

		spritenum = _engine_original_sprites[engine];

    39

	}

    40

	DrawSprite((6 + _ship_sprites[spritenum]) | image_ormod, x, y);

    41

}

    42

    43

int GetShipImage(const Vehicle *v, byte direction)

    44

{

    45

	int spritenum = v->spritenum;

    46

    47

	if (is_custom_sprite(spritenum)) {

    48

		int sprite = GetCustomVehicleSprite(v, direction);

    49

    50

		if (sprite) return sprite;

    51

		spritenum = _engine_original_sprites[v->engine_type];

    52

	}

    53

	return _ship_sprites[spritenum] + direction;

    54

}

    55

    56

static Depot *FindClosestShipDepot(Vehicle *v)

    57

{

    58

	Depot *depot;

    59

	Depot *best_depot = NULL;

    60

	uint dist;

    61

	uint best_dist = (uint)-1;

    62

	TileIndex tile;

    63

	TileIndex tile2 = v->tile;

    64

    65

	if (_patches.new_pathfinding_all) {

    66

		NPFFoundTargetData ftd;

    67

		byte trackdir = GetVehicleTrackdir(v);

    68

		ftd = NPFRouteToDepotTrialError(v->tile, trackdir, TRANSPORT_WATER, v->owner);

    69

		if (ftd.best_bird_dist == 0)

    70

			best_depot = GetDepotByTile(ftd.node.tile); /* Found target */

    71

		else

    72

			best_depot = NULL; /* Did not find target */

    73

	} else {

    74

		FOR_ALL_DEPOTS(depot) {

    75

			tile = depot->xy;

    76

			if (IsValidDepot(depot) && IsTileDepotType(tile, TRANSPORT_WATER) && IsTileOwner(tile, v->owner)) {

    77

				dist = DistanceManhattan(tile, tile2);

    78

				if (dist < best_dist) {

    79

					best_dist = dist;

    80

					best_depot = depot;

    81

				}

    82

			}

    83

		}

    84

	}

    85

	return best_depot;

    86

}

    87

    88

static void CheckIfShipNeedsService(Vehicle *v)

    89

{

    90

	Depot *depot;

    91

    92

	if (_patches.servint_ships == 0)

    93

		return;

    94

    95

	if (!VehicleNeedsService(v))

    96

		return;

    97

    98

	if (v->vehstatus & VS_STOPPED)

    99

		return;

   100

   101

	if (v->current_order.type == OT_GOTO_DEPOT &&

   102

			v->current_order.flags & OF_HALT_IN_DEPOT)

   103

		return;

   104

   105

	if (_patches.gotodepot && VehicleHasDepotOrders(v))

   106

		return;

   107

   108

	depot = FindClosestShipDepot(v);

   109

   110

	if (depot == NULL || DistanceManhattan(v->tile, depot->xy) > 12) {

   111

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

   112

			v->current_order.type = OT_DUMMY;

   113

			v->current_order.flags = 0;

   114

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

   115

		}

   116

		return;

   117

	}

   118

   119

	v->current_order.type = OT_GOTO_DEPOT;

   120

	v->current_order.flags = OF_NON_STOP;

   121

	v->current_order.station = depot->index;

   122

	v->dest_tile = depot->xy;

   123

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

   124

}

   125

   126

void OnNewDay_Ship(Vehicle *v)

   127

{

   128

	int32 cost;

   129

   130

	if ((++v->day_counter & 7) == 0)

   131

		DecreaseVehicleValue(v);

   132

   133

	CheckVehicleBreakdown(v);

   134

	AgeVehicle(v);

   135

	CheckIfShipNeedsService(v);

   136

   137

	CheckOrders(v->index, OC_INIT);

   138

   139

	if (v->vehstatus & VS_STOPPED)

   140

		return;

   141

   142

   143

   144

	cost = ShipVehInfo(v->engine_type)->running_cost * _price.ship_running / 364;

   145

	v->profit_this_year -= cost >> 8;

   146

   147

	SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN);

   148

	SubtractMoneyFromPlayerFract(v->owner, cost);

   149

   150

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   151

	//we need this for the profit

   152

	InvalidateWindowClasses(WC_SHIPS_LIST);

   153

}

   154

   155

static void HandleBrokenShip(Vehicle *v)

   156

{

   157

	if (v->breakdown_ctr != 1) {

   158

		v->breakdown_ctr = 1;

   159

		v->cur_speed = 0;

   160

   161

		if (v->breakdowns_since_last_service != 255)

   162

			v->breakdowns_since_last_service++;

   163

   164

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   165

		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   166

   167

		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?

   168

			SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);

   169

   170

		if (!(v->vehstatus & VS_HIDDEN)) {

   171

			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);

   172

			if (u)

   173

				u->u.special.unk0 = v->breakdown_delay * 2;

   174

		}

   175

	}

   176

   177

	if (!(v->tick_counter & 1)) {

   178

		if (!--v->breakdown_delay) {

   179

			v->breakdown_ctr = 0;

   180

			InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   181

		}

   182

	}

   183

}

   184

   185

static void MarkShipDirty(Vehicle *v)

   186

{

   187

	v->cur_image = GetShipImage(v, v->direction);

   188

	MarkAllViewportsDirty(v->left_coord, v->top_coord, v->right_coord + 1, v->bottom_coord + 1);

   189

}

   190

   191

static void PlayShipSound(Vehicle *v)

   192

{

   193

	SndPlayVehicleFx(ShipVehInfo(v->engine_type)->sfx, v);

   194

}

   195

   196

static const TileIndexDiffC _dock_offs[] = {

   197

	{ 2,  0},

   198

	{-2,  0},

   199

	{ 0,  2},

   200

	{ 2,  0},

   201

	{ 0, -2},

   202

	{ 0,  0},

   203

	{ 0,  0},

   204

	{ 0,  0}

   205

};

   206

   207

static void ProcessShipOrder(Vehicle *v)

   208

{

   209

	const Order *order;

   210

   211

	if (v->current_order.type >= OT_GOTO_DEPOT &&

   212

			v->current_order.type <= OT_LEAVESTATION) {

   213

		if (v->current_order.type != OT_GOTO_DEPOT ||

   214

				!(v->current_order.flags & OF_UNLOAD))

   215

			return;

   216

	}

   217

   218

	if (v->current_order.type == OT_GOTO_DEPOT &&

   219

			(v->current_order.flags & (OF_UNLOAD | OF_FULL_LOAD)) == (OF_UNLOAD | OF_FULL_LOAD) &&

   220

			!VehicleNeedsService(v)) {

   221

		v->cur_order_index++;

   222

	}

   223

   224

   225

	if (v->cur_order_index >= v->num_orders)

   226

		v->cur_order_index = 0;

   227

   228

	order = GetVehicleOrder(v, v->cur_order_index);

   229

   230

	if (order == NULL) {

   231

		v->current_order.type  = OT_NOTHING;

   232

		v->current_order.flags = 0;

   233

		v->dest_tile = 0;

   234

		return;

   235

	}

   236

   237

	if (order->type    == v->current_order.type &&

   238

			order->flags   == v->current_order.flags &&

   239

			order->station == v->current_order.station)

   240

		return;

   241

   242

	v->current_order = *order;

   243

   244

	if (order->type == OT_GOTO_STATION) {

   245

		const Station *st;

   246

   247

		if (order->station == v->last_station_visited)

   248

			v->last_station_visited = INVALID_STATION;

   249

   250

		st = GetStation(order->station);

   251

		if (st->dock_tile != 0) {

   252

			v->dest_tile = TILE_ADD(st->dock_tile, ToTileIndexDiff(_dock_offs[_map5[st->dock_tile]-0x4B]));

   253

		}

   254

	} else if (order->type == OT_GOTO_DEPOT) {

   255

		v->dest_tile = GetDepot(order->station)->xy;

   256

	} else {

   257

		v->dest_tile = 0;

   258

	}

   259

   260

	InvalidateVehicleOrder(v);

   261

   262

	InvalidateWindowClasses(WC_SHIPS_LIST);

   263

}

   264

   265

static void HandleShipLoading(Vehicle *v)

   266

{

   267

	if (v->current_order.type == OT_NOTHING)

   268

		return;

   269

   270

	if (v->current_order.type != OT_DUMMY) {

   271

		if (v->current_order.type != OT_LOADING)

   272

			return;

   273

   274

		if (--v->load_unload_time_rem)

   275

			return;

   276

   277

		if (v->current_order.flags & OF_FULL_LOAD && CanFillVehicle(v)) {

   278

			SET_EXPENSES_TYPE(EXPENSES_SHIP_INC);

   279

			if (LoadUnloadVehicle(v)) {

   280

				InvalidateWindow(WC_SHIPS_LIST, v->owner);

   281

				MarkShipDirty(v);

   282

			}

   283

			return;

   284

		}

   285

		PlayShipSound(v);

   286

   287

		{

   288

			Order b = v->current_order;

   289

			v->current_order.type = OT_LEAVESTATION;

   290

			v->current_order.flags = 0;

   291

			if (!(b.flags & OF_NON_STOP))

   292

				return;

   293

		}

   294

	}

   295

   296

	v->cur_order_index++;

   297

	InvalidateVehicleOrder(v);

   298

}

   299

   300

static void UpdateShipDeltaXY(Vehicle *v, int dir)

   301

{

   302

#define MKIT(d,c,b,a) ((a&0xFF)<<24) | ((b&0xFF)<<16) | ((c&0xFF)<<8) | ((d&0xFF)<<0)

   303

	static const uint32 _delta_xy_table[8] = {

   304

		MKIT( -3, -3,  6,  6),

   305

		MKIT(-16, -3, 32,  6),

   306

		MKIT( -3, -3,  6,  6),

   307

		MKIT( -3,-16,  6, 32),

   308

		MKIT( -3, -3,  6,  6),

   309

		MKIT(-16, -3, 32,  6),

   310

		MKIT( -3, -3,  6,  6),

   311

		MKIT( -3,-16,  6, 32),

   312

	};

   313

#undef MKIT

   314

	uint32 x = _delta_xy_table[dir];

   315

	v->x_offs = (byte)x;

   316

	v->y_offs = (byte)(x>>=8);

   317

	v->sprite_width = (byte)(x>>=8);

   318

	v->sprite_height = (byte)(x>>=8);

   319

}

   320

   321

static void RecalcShipStuff(Vehicle *v)

   322

{

   323

	UpdateShipDeltaXY(v, v->direction);

   324

	v->cur_image = GetShipImage(v, v->direction);

   325

	MarkShipDirty(v);

   326

	InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   327

}

   328

   329

static const TileIndexDiffC _ship_leave_depot_offs[] = {

   330

	{-1,  0},

   331

	{ 0, -1}

   332

};

   333

   334

static void CheckShipLeaveDepot(Vehicle *v)

   335

{

   336

	TileIndex tile;

   337

	int d;

   338

	uint m;

   339

   340

	if (v->u.ship.state != 0x80)

   341

		return;

   342

   343

	tile = v->tile;

   344

	d = (_map5[tile]&2) ? 1 : 0;

   345

   346

	// Check first side

   347

	if (_ship_sometracks[d] & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[d])))) {

   348

		m = (d==0) ? 0x101 : 0x207;

   349

	// Check second side

   350

	} else if (_ship_sometracks[d+2] & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[d])))) {

   351

		m = (d==0) ? 0x105 : 0x203;

   352

	} else {

   353

		return;

   354

	}

   355

	v->direction = (byte)m;

   356

	v->u.ship.state = (byte)(m >> 8);

   357

	v->vehstatus &= ~VS_HIDDEN;

   358

   359

	v->cur_speed = 0;

   360

	RecalcShipStuff(v);

   361

   362

	PlayShipSound(v);

   363

	VehicleServiceInDepot(v);

   364

	InvalidateWindowClasses(WC_SHIPS_LIST);

   365

}

   366

   367

static bool ShipAccelerate(Vehicle *v)

   368

{

   369

	uint spd;

   370

	byte t;

   371

   372

	spd = min(v->cur_speed + 1, v->max_speed);

   373

   374

	//updates statusbar only if speed have changed to save CPU time

   375

	if (spd != v->cur_speed) {

   376

		v->cur_speed = spd;

   377

		if (_patches.vehicle_speed)

   378

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

   379

	}

   380

   381

	// Decrease somewhat when turning

   382

	if (!(v->direction&1)) {

   383

		spd = spd * 3 >> 2;

   384

	}

   385

   386

	if (spd == 0)

   387

		return false;

   388

   389

	if ((byte)++spd == 0)

   390

		return true;

   391

   392

	v->progress = (t = v->progress) - (byte)spd;

   393

   394

	return (t < v->progress);

   395

}

   396

   397

int32 EstimateShipCost(EngineID engine_type)

   398

{

   399

	return ShipVehInfo(engine_type)->base_cost * (_price.ship_base>>3)>>5;

   400

}

   401

   402

static void ShipEnterDepot(Vehicle *v)

   403

{

   404

	v->u.ship.state = 0x80;

   405

	v->vehstatus |= VS_HIDDEN;

   406

	v->cur_speed = 0;

   407

	RecalcShipStuff(v);

   408

   409

	VehicleServiceInDepot(v);

   410

   411

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   412

   413

	MaybeReplaceVehicle(v);

   414

   415

	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);

   416

   417

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

   418

		Order t;

   419

   420

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   421

   422

		t = v->current_order;

   423

		v->current_order.type = OT_DUMMY;

   424

		v->current_order.flags = 0;

   425

   426

		if (HASBIT(t.flags, OFB_PART_OF_ORDERS)) {

   427

			v->cur_order_index++;

   428

		} else if (HASBIT(t.flags, OFB_HALT_IN_DEPOT)) {

   429

			v->vehstatus |= VS_STOPPED;

   430

			if (v->owner == _local_player) {

   431

				SetDParam(0, v->unitnumber);

   432

				AddNewsItem(

   433

					STR_981C_SHIP_IS_WAITING_IN_DEPOT,

   434

					NEWS_FLAGS(NM_SMALL, NF_VIEWPORT|NF_VEHICLE, NT_ADVICE, 0),

   435

					v->index,

   436

					0);

   437

			}

   438

		}

   439

	}

   440

	InvalidateWindowClasses(WC_SHIPS_LIST);

   441

}

   442

   443

static void ShipArrivesAt(Vehicle *v, Station *st)

   444

{

   445

	/* Check if station was ever visited before */

   446

	if (!(st->had_vehicle_of_type & HVOT_SHIP)) {

   447

		uint32 flags;

   448

		st->had_vehicle_of_type |= HVOT_SHIP;

   449

		SetDParam(0, st->index);

   450

		flags = (v->owner == _local_player) ? NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ARRIVAL_PLAYER, 0) : NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ARRIVAL_OTHER, 0);

   451

		AddNewsItem(

   452

			STR_9833_CITIZENS_CELEBRATE_FIRST,

   453

			flags,

   454

			v->index,

   455

			0);

   456

	}

   457

}

   458

   459

typedef struct {

   460

	TileIndex skiptile;

   461

	TileIndex dest_coords;

   462

	uint best_bird_dist;

   463

	uint best_length;

   464

} PathFindShip;

   465

   466

//extern void dbg_store_path();

   467

   468

static bool ShipTrackFollower(TileIndex tile, PathFindShip *pfs, int track, uint length, byte *state)

   469

{

   470

	// Found dest?

   471

	if (tile == pfs->dest_coords) {

   472

		pfs->best_bird_dist = 0;

   473

   474

//		if (length < pfs->best_length)

   475

//			dbg_store_path();

   476

   477

		pfs->best_length = minu(pfs->best_length, length);

   478

		return true;

   479

	}

   480

   481

	// Skip this tile in the calculation

   482

	if (tile != pfs->skiptile) {

   483

		pfs->best_bird_dist = minu(pfs->best_bird_dist, DistanceMaxPlusManhattan(pfs->dest_coords, tile));

   484

	}

   485

   486

	return false;

   487

}

   488

   489

static const byte _ship_search_directions[6][4] = {

   490

	{ 0, 9, 2, 9 },

   491

	{ 9, 1, 9, 3 },

   492

	{ 9, 0, 3, 9 },

   493

	{ 1, 9, 9, 2 },

   494

	{ 3, 2, 9, 9 },

   495

	{ 9, 9, 1, 0 },

   496

};

   497

   498

static const byte _pick_shiptrack_table[6] = {1, 3, 2, 2, 0, 0};

   499

   500

static uint FindShipTrack(Vehicle *v, TileIndex tile, int dir, uint bits, TileIndex skiptile, int *track)

   501

{

   502

	PathFindShip pfs;

   503

	int i, best_track;

   504

	uint best_bird_dist = 0;

   505

	uint best_length    = 0;

   506

	uint r;

   507

	byte ship_dir = v->direction & 3;