1

#include "stdafx.h"

     2

#include "openttd.h"

     3

#include "table/strings.h"

     5

#include "map.h"

     6

#include "tile.h"

     7

#include "vehicle.h"

     8

#include "command.h"

     9

#include "pathfind.h"

    10

#include "station.h"

    11

#include "news.h"

    12

#include "engine.h"

    13

#include "gui.h"

    14

#include "player.h"

    15

#include "sound.h"

    16

#include "npf.h"

    17

#include "depot.h"

    18

#include "vehicle_gui.h"

    19

    20

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

    21

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

    22

    23

static byte GetTileShipTrackStatus(TileIndex tile)

    24

{

    25

	uint32 r = GetTileTrackStatus(tile, TRANSPORT_WATER);

    26

	return r | r >> 8;

    27

}

    28

    29

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

    30

{

    31

	int spritenum = ShipVehInfo(engine)->image_index;

    32

    33

	if (is_custom_sprite(spritenum)) {

    34

		int sprite = GetCustomVehicleIcon(engine, 6);

    35

    36

		if (sprite) {

    37

			DrawSprite(sprite | image_ormod, x, y);

    38

			return;

    39

		}

    40

		spritenum = _engine_original_sprites[engine];

    41

	}

    42

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

    43

}

    44

    45

int GetShipImage(const Vehicle *v, byte direction)

    46

{

    47

	int spritenum = v->spritenum;

    48

    49

	if (is_custom_sprite(spritenum)) {

    50

		int sprite = GetCustomVehicleSprite(v, direction);

    51

    52

		if (sprite) return sprite;

    53

		spritenum = _engine_original_sprites[v->engine_type];

    54

	}

    55

	return _ship_sprites[spritenum] + direction;

    56

}

    57

    58

static Depot *FindClosestShipDepot(Vehicle *v)

    59

{

    60

	Depot *depot;

    61

	Depot *best_depot = NULL;

    62

	uint dist;

    63

	uint best_dist = (uint)-1;

    64

	TileIndex tile;

    65

	TileIndex tile2 = v->tile;

    66

    67

	if (_patches.new_pathfinding_all) {

    68

		NPFFoundTargetData ftd;

    69

		byte trackdir = GetVehicleTrackdir(v);

    70

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

    71

		if (ftd.best_bird_dist == 0)

    72

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

    73

		else

    74

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

    75

	} else {

    76

		FOR_ALL_DEPOTS(depot) {

    77

			tile = depot->xy;

    78

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

    79

				dist = DistanceManhattan(tile, tile2);

    80

				if (dist < best_dist) {

    81

					best_dist = dist;

    82

					best_depot = depot;

    83

				}

    84

			}

    85

		}

    86

	}

    87

	return best_depot;

    88

}

    89

    90

static void CheckIfShipNeedsService(Vehicle *v)

    91

{

    92

	Depot *depot;

    93

    94

	if (_patches.servint_ships == 0)

    95

		return;

    96

    97

	if (!VehicleNeedsService(v))

    98

		return;

    99

   100

	if (v->vehstatus & VS_STOPPED)

   101

		return;

   102

   103

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

   104

			v->current_order.flags & OF_HALT_IN_DEPOT)

   105

		return;

   106

   107

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

   108

		return;

   109

   110

	depot = FindClosestShipDepot(v);

   111

   112

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

   113

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

   114

			v->current_order.type = OT_DUMMY;

   115

			v->current_order.flags = 0;

   116

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

   117

		}

   118

		return;

   119

	}

   120

   121

	v->current_order.type = OT_GOTO_DEPOT;

   122

	v->current_order.flags = OF_NON_STOP;

   123

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

   124

	v->dest_tile = depot->xy;

   125

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

   126

}

   127

   128

void OnNewDay_Ship(Vehicle *v)

   129

{

   130

	int32 cost;

   131

   132

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

   133

		DecreaseVehicleValue(v);

   134

   135

	CheckVehicleBreakdown(v);

   136

	AgeVehicle(v);

   137

	CheckIfShipNeedsService(v);

   138

   139

	CheckOrders(v->index, OC_INIT);

   140

   141

	if (v->vehstatus & VS_STOPPED)

   142

		return;

   143

   144

   145

   146

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

   147

	v->profit_this_year -= cost >> 8;

   148

   149

	SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN);

   150

	SubtractMoneyFromPlayerFract(v->owner, cost);

   151

   152

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   153

	//we need this for the profit

   154

	InvalidateWindowClasses(WC_SHIPS_LIST);

   155

}

   156

   157

static void HandleBrokenShip(Vehicle *v)

   158

{

   159

	if (v->breakdown_ctr != 1) {

   160

		v->breakdown_ctr = 1;

   161

		v->cur_speed = 0;

   162

   163

		if (v->breakdowns_since_last_service != 255)

   164

			v->breakdowns_since_last_service++;

   165

   166

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   167

		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   168

   169

		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?

   170

			SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);

   171

   172

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

   173

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

   174

			if (u)

   175

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

   176

		}

   177

	}

   178

   179

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

   180

		if (!--v->breakdown_delay) {

   181

			v->breakdown_ctr = 0;

   182

			InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   183

		}

   184

	}

   185

}

   186

   187

static void MarkShipDirty(Vehicle *v)

   188

{

   189

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

   190

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

   191

}

   192

   193

static void PlayShipSound(Vehicle *v)

   194

{

   195

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

   196

}

   197

   198

static const TileIndexDiffC _dock_offs[] = {

   199

	{ 2,  0},

   200

	{-2,  0},

   201

	{ 0,  2},

   202

	{ 2,  0},

   203

	{ 0, -2},

   204

	{ 0,  0},

   205

	{ 0,  0},

   206

	{ 0,  0}

   207

};

   208

   209

static void ProcessShipOrder(Vehicle *v)

   210

{

   211

	const Order *order;

   212

   213

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

   214

			v->current_order.type <= OT_LEAVESTATION) {

   215

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

   216

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

   217

			return;

   218

	}

   219

   220

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

   221

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

   222

			!VehicleNeedsService(v)) {

   223

		v->cur_order_index++;

   224

	}

   225

   226

   227

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

   228

		v->cur_order_index = 0;

   229

   230

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

   231

   232

	if (order == NULL) {

   233

		v->current_order.type  = OT_NOTHING;

   234

		v->current_order.flags = 0;

   235

		v->dest_tile = 0;

   236

		return;

   237

	}

   238

   239

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

   240

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

   241

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

   242

		return;

   243

   244

	v->current_order = *order;

   245

   246

	if (order->type == OT_GOTO_STATION) {

   247

		const Station *st;

   248

   249

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

   250

			v->last_station_visited = INVALID_STATION;

   251

   252

		st = GetStation(order->station);

   253

		if (st->dock_tile != 0) {

   254

			v->dest_tile = TILE_ADD(st->dock_tile, ToTileIndexDiff(_dock_offs[_m[st->dock_tile].m5-0x4B]));

   255

		}

   256

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

   257

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

   258

	} else {

   259

		v->dest_tile = 0;

   260

	}

   261

   262

	InvalidateVehicleOrder(v);

   263

   264

	InvalidateWindowClasses(WC_SHIPS_LIST);

   265

}

   266

   267

static void HandleShipLoading(Vehicle *v)

   268

{

   269

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

   270

		return;

   271

   272

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

   273

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

   274

			return;

   275

   276

		if (--v->load_unload_time_rem)

   277

			return;

   278

   279

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

   280

			SET_EXPENSES_TYPE(EXPENSES_SHIP_INC);

   281

			if (LoadUnloadVehicle(v)) {

   282

				InvalidateWindow(WC_SHIPS_LIST, v->owner);

   283

				MarkShipDirty(v);

   284

			}

   285

			return;

   286

		}

   287

		PlayShipSound(v);

   288

   289

		{

   290

			Order b = v->current_order;

   291

			v->current_order.type = OT_LEAVESTATION;

   292

			v->current_order.flags = 0;

   293

			if (!(b.flags & OF_NON_STOP))

   294

				return;

   295

		}

   296

	}

   297

   298

	v->cur_order_index++;

   299

	InvalidateVehicleOrder(v);

   300

}

   301

   302

static void UpdateShipDeltaXY(Vehicle *v, int dir)

   303

{

   304

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

   305

	static const uint32 _delta_xy_table[8] = {

   306

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

   307

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

   308

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

   309

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

   310

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

   311

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

   312

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

   313

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

   314

	};

   315

#undef MKIT

   316

	uint32 x = _delta_xy_table[dir];

   317

	v->x_offs        = GB(x,  0, 8);

   318

	v->y_offs        = GB(x,  8, 8);

   319

	v->sprite_width  = GB(x, 16, 8);

   320

	v->sprite_height = GB(x, 24, 8);

   321

}

   322

   323

static void RecalcShipStuff(Vehicle *v)

   324

{

   325

	UpdateShipDeltaXY(v, v->direction);

   326

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

   327

	MarkShipDirty(v);

   328

	InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   329

}

   330

   331

static const TileIndexDiffC _ship_leave_depot_offs[] = {

   332

	{-1,  0},

   333

	{ 0, -1}

   334

};

   335

   336

static void CheckShipLeaveDepot(Vehicle *v)

   337

{

   338

	TileIndex tile;

   339

	int d;

   340

	uint m;

   341

   342

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

   343

		return;

   344

   345

	tile = v->tile;

   346

	d = (_m[tile].m5&2) ? 1 : 0;

   347

   348

	// Check first side

   349

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

   350

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

   351

	// Check second side

   352

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

   353

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

   354

	} else {

   355

		return;

   356

	}

   357

	v->direction = (byte)m;

   358

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

   359

	v->vehstatus &= ~VS_HIDDEN;

   360

   361

	v->cur_speed = 0;

   362

	RecalcShipStuff(v);

   363

   364

	PlayShipSound(v);

   365

	VehicleServiceInDepot(v);

   366

	InvalidateWindowClasses(WC_SHIPS_LIST);

   367

}

   368

   369

static bool ShipAccelerate(Vehicle *v)

   370

{

   371

	uint spd;

   372

	byte t;

   373

   374

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

   375

   376

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

   377

	if (spd != v->cur_speed) {

   378

		v->cur_speed = spd;

   379

		if (_patches.vehicle_speed)

   380

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

   381

	}

   382

   383

	// Decrease somewhat when turning

   384

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

   385

		spd = spd * 3 >> 2;

   386

	}

   387

   388

	if (spd == 0)

   389

		return false;

   390

   391

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

   392

		return true;

   393

   394

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

   395

   396

	return (t < v->progress);

   397

}

   398

   399

int32 EstimateShipCost(EngineID engine_type)

   400

{

   401

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

   402

}

   403

   404

static void ShipEnterDepot(Vehicle *v)

   405

{

   406

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

   407

	v->vehstatus |= VS_HIDDEN;

   408

	v->cur_speed = 0;

   409

	RecalcShipStuff(v);

   410

   411

	VehicleServiceInDepot(v);

   412

   413

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   414

   415

	MaybeReplaceVehicle(v);

   416

   417

	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);

   418

   419

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

   420

		Order t;

   421

   422

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   423

   424

		t = v->current_order;

   425

		v->current_order.type = OT_DUMMY;

   426

		v->current_order.flags = 0;

   427

   428

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

   429

			v->cur_order_index++;

   430

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

   431

			v->vehstatus |= VS_STOPPED;

   432

			if (v->owner == _local_player) {

   433

				SetDParam(0, v->unitnumber);

   434

				AddNewsItem(

   435

					STR_981C_SHIP_IS_WAITING_IN_DEPOT,

   436

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

   437

					v->index,

   438

					0);

   439

			}

   440

		}

   441

	}

   442

	InvalidateWindowClasses(WC_SHIPS_LIST);

   443

}

   444

   445

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

   446

{

   447

	/* Check if station was ever visited before */

   448

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

   449

		uint32 flags;

   450

		st->had_vehicle_of_type |= HVOT_SHIP;

   451

		SetDParam(0, st->index);

   452

		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);

   453

		AddNewsItem(

   454

			STR_9833_CITIZENS_CELEBRATE_FIRST,

   455

			flags,

   456

			v->index,

   457

			0);

   458

	}

   459

}

   460

   461

typedef struct {

   462

	TileIndex skiptile;

   463

	TileIndex dest_coords;

   464

	uint best_bird_dist;

   465

	uint best_length;

   466

} PathFindShip;

   467

   468

//extern void dbg_store_path();

   469

   470

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

   471

{

   472

	// Found dest?

   473

	if (tile == pfs->dest_coords) {

   474

		pfs->best_bird_dist = 0;

   475

   476

//		if (length < pfs->best_length)

   477

//			dbg_store_path();

   478

   479

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

   480

		return true;

   481

	}

   482

   483

	// Skip this tile in the calculation

   484

	if (tile != pfs->skiptile) {

   485

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

   486

	}

   487

   488

	return false;

   489

}

   490

   491

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

   492

	{ 0, 9, 2, 9 },

   493

	{ 9, 1, 9, 3 },

   494

	{ 9, 0, 3, 9 },

   495

	{ 1, 9, 9, 2 },

   496

	{ 3, 2, 9, 9 },

   497

	{ 9, 9, 1, 0 },

   498

};

   499

   500

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

   501

   502

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

   503

{

   504

	PathFindShip pfs;

   505

	int i, best_track;

   506

	uint best_bird_dist = 0;

   507