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"

    18

    19

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

    20

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

    21

    22

static byte GetTileShipTrackStatus(TileIndex tile)

    23

{

    24

	uint32 r = GetTileTrackStatus(tile, TRANSPORT_WATER);

    25

	return r | r >> 8;

    26

}

    27

    28

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

    29

{

    30

	int spritenum = ShipVehInfo(engine)->image_index;

    31

    32

	if (is_custom_sprite(spritenum)) {

    33

		int sprite = GetCustomVehicleIcon(engine, 6);

    34

    35

		if (sprite) {

    36

			DrawSprite(sprite | image_ormod, x, y);

    37

			return;

    38

		}

    39

		spritenum = _engine_original_sprites[engine];

    40

	}

    41

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

    42

}

    43

    44

int GetShipImage(const Vehicle *v, byte direction)

    45

{

    46

	int spritenum = v->spritenum;

    47

    48

	if (is_custom_sprite(spritenum)) {

    49

		int sprite = GetCustomVehicleSprite(v, direction);

    50

    51

		if (sprite) return sprite;

    52

		spritenum = _engine_original_sprites[v->engine_type];

    53

	}

    54

	return _ship_sprites[spritenum] + direction;

    55

}

    56

    57

static Depot *FindClosestShipDepot(Vehicle *v)

    58

{

    59

	Depot *depot;

    60

	Depot *best_depot = NULL;

    61

	uint dist;

    62

	uint best_dist = (uint)-1;

    63

	TileIndex tile;

    64

	TileIndex tile2 = v->tile;

    65

    66

	if (_patches.new_pathfinding_all) {

    67

		NPFFoundTargetData ftd;

    68

		byte trackdir = GetVehicleTrackdir(v);

    69

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

    70

		if (ftd.best_bird_dist == 0)

    71

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

    72

		else

    73

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

    74

	} else {

    75

		FOR_ALL_DEPOTS(depot) {

    76

			tile = depot->xy;

    77

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

    78

				dist = DistanceManhattan(tile, tile2);

    79

				if (dist < best_dist) {

    80

					best_dist = dist;

    81

					best_depot = depot;

    82

				}

    83

			}

    84

		}

    85

	}

    86

	return best_depot;

    87

}

    88

    89

static void CheckIfShipNeedsService(Vehicle *v)

    90

{

    91

	Depot *depot;

    92

    93

	if (_patches.servint_ships == 0)

    94

		return;

    95

    96

	if (!VehicleNeedsService(v))

    97

		return;

    98

    99

	if (v->vehstatus & VS_STOPPED)

   100

		return;

   101

   102

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

   103

			v->current_order.flags & OF_HALT_IN_DEPOT)

   104

		return;

   105

   106

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

   107

		return;

   108

   109

	depot = FindClosestShipDepot(v);

   110

   111

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

   112

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

   113

			v->current_order.type = OT_DUMMY;

   114

			v->current_order.flags = 0;

   115

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

   116

		}

   117

		return;

   118

	}

   119

   120

	v->current_order.type = OT_GOTO_DEPOT;

   121

	v->current_order.flags = OF_NON_STOP;

   122

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

   123

	v->dest_tile = depot->xy;

   124

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

   125

}

   126

   127

void OnNewDay_Ship(Vehicle *v)

   128

{

   129

	int32 cost;

   130

   131

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

   132

		DecreaseVehicleValue(v);

   133

   134

	CheckVehicleBreakdown(v);

   135

	AgeVehicle(v);

   136

	CheckIfShipNeedsService(v);

   137

   138

	CheckOrders(v->index, OC_INIT);

   139

   140

	if (v->vehstatus & VS_STOPPED)

   141

		return;

   142

   143

   144

   145

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

   146

	v->profit_this_year -= cost >> 8;

   147

   148

	SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN);

   149

	SubtractMoneyFromPlayerFract(v->owner, cost);

   150

   151

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   152

	//we need this for the profit

   153

	InvalidateWindowClasses(WC_SHIPS_LIST);

   154

}

   155

   156

static void HandleBrokenShip(Vehicle *v)

   157

{

   158

	if (v->breakdown_ctr != 1) {

   159

		v->breakdown_ctr = 1;

   160

		v->cur_speed = 0;

   161

   162

		if (v->breakdowns_since_last_service != 255)

   163

			v->breakdowns_since_last_service++;

   164

   165

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   166

		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   167

   168

		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?

   169

			SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);

   170

   171

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

   172

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

   173

			if (u)

   174

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

   175

		}

   176

	}

   177

   178

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

   179

		if (!--v->breakdown_delay) {

   180

			v->breakdown_ctr = 0;

   181

			InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   182

		}

   183

	}

   184

}

   185

   186

static void MarkShipDirty(Vehicle *v)

   187

{

   188

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

   189

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

   190

}

   191

   192

static void PlayShipSound(Vehicle *v)

   193

{

   194

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

   195

}

   196

   197

static const TileIndexDiffC _dock_offs[] = {

   198

	{ 2,  0},

   199

	{-2,  0},

   200

	{ 0,  2},

   201

	{ 2,  0},

   202

	{ 0, -2},

   203

	{ 0,  0},

   204

	{ 0,  0},

   205

	{ 0,  0}

   206

};

   207

   208

static void ProcessShipOrder(Vehicle *v)

   209

{

   210

	const Order *order;

   211

   212

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

   213

			v->current_order.type <= OT_LEAVESTATION) {

   214

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

   215

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

   216

			return;

   217

	}

   218

   219

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

   220

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

   221

			!VehicleNeedsService(v)) {

   222

		v->cur_order_index++;

   223

	}

   224

   225

   226

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

   227

		v->cur_order_index = 0;

   228

   229

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

   230

   231

	if (order == NULL) {

   232

		v->current_order.type  = OT_NOTHING;

   233

		v->current_order.flags = 0;

   234

		v->dest_tile = 0;

   235

		return;

   236

	}

   237

   238

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

   239

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

   240

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

   241

		return;

   242

   243

	v->current_order = *order;

   244

   245

	if (order->type == OT_GOTO_STATION) {

   246

		const Station *st;

   247

   248

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

   249

			v->last_station_visited = INVALID_STATION;

   250

   251

		st = GetStation(order->station);

   252

		if (st->dock_tile != 0) {

   253

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

   254

		}

   255

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

   256

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

   257

	} else {

   258

		v->dest_tile = 0;

   259

	}

   260

   261

	InvalidateVehicleOrder(v);

   262

   263

	InvalidateWindowClasses(WC_SHIPS_LIST);

   264

}

   265

   266

static void HandleShipLoading(Vehicle *v)

   267

{

   268

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

   269

		return;

   270

   271

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

   272

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

   273

			return;

   274

   275

		if (--v->load_unload_time_rem)

   276

			return;

   277

   278

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

   279

			SET_EXPENSES_TYPE(EXPENSES_SHIP_INC);

   280

			if (LoadUnloadVehicle(v)) {

   281

				InvalidateWindow(WC_SHIPS_LIST, v->owner);

   282

				MarkShipDirty(v);

   283

			}

   284

			return;

   285

		}

   286

		PlayShipSound(v);

   287

   288

		{

   289

			Order b = v->current_order;

   290

			v->current_order.type = OT_LEAVESTATION;

   291

			v->current_order.flags = 0;

   292

			if (!(b.flags & OF_NON_STOP))

   293

				return;

   294

		}

   295

	}

   296

   297

	v->cur_order_index++;

   298

	InvalidateVehicleOrder(v);

   299

}

   300

   301

static void UpdateShipDeltaXY(Vehicle *v, int dir)

   302

{

   303

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

   304

	static const uint32 _delta_xy_table[8] = {

   305

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

   306

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

   307

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

   308

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

   309

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

   310

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

   311

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

   312

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

   313

	};

   314

#undef MKIT

   315

	uint32 x = _delta_xy_table[dir];

   316

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

   317

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

   318

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

   319

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

   320

}

   321

   322

static void RecalcShipStuff(Vehicle *v)

   323

{

   324

	UpdateShipDeltaXY(v, v->direction);

   325

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

   326

	MarkShipDirty(v);

   327

	InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   328

}

   329

   330

static const TileIndexDiffC _ship_leave_depot_offs[] = {

   331

	{-1,  0},

   332

	{ 0, -1}

   333

};

   334

   335

static void CheckShipLeaveDepot(Vehicle *v)

   336

{

   337

	TileIndex tile;

   338

	int d;

   339

	uint m;

   340

   341

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

   342

		return;

   343

   344

	tile = v->tile;

   345

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

   346

   347

	// Check first side

   348

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

   349

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

   350

	// Check second side

   351

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

   352

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

   353

	} else {

   354

		return;

   355

	}

   356

	v->direction = (byte)m;

   357

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

   358

	v->vehstatus &= ~VS_HIDDEN;

   359

   360

	v->cur_speed = 0;

   361

	RecalcShipStuff(v);

   362

   363

	PlayShipSound(v);

   364

	VehicleServiceInDepot(v);

   365

	InvalidateWindowClasses(WC_SHIPS_LIST);

   366

}

   367

   368

static bool ShipAccelerate(Vehicle *v)

   369

{

   370

	uint spd;

   371

	byte t;

   372

   373

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

   374

   375

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

   376

	if (spd != v->cur_speed) {

   377

		v->cur_speed = spd;

   378

		if (_patches.vehicle_speed)

   379

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

   380

	}

   381

   382

	// Decrease somewhat when turning

   383

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

   384

		spd = spd * 3 >> 2;

   385

	}

   386

   387

	if (spd == 0)

   388

		return false;

   389

   390

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

   391

		return true;

   392

   393

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

   394

   395

	return (t < v->progress);

   396

}

   397

   398

int32 EstimateShipCost(EngineID engine_type)

   399

{

   400

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

   401

}

   402

   403

static void ShipEnterDepot(Vehicle *v)

   404

{

   405

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

   406

	v->vehstatus |= VS_HIDDEN;

   407

	v->cur_speed = 0;

   408

	RecalcShipStuff(v);

   409

   410

	VehicleServiceInDepot(v);

   411

   412

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   413

   414

	MaybeReplaceVehicle(v);

   415

   416

	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);

   417

   418

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

   419

		Order t;

   420

   421

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   422

   423

		t = v->current_order;

   424

		v->current_order.type = OT_DUMMY;

   425

		v->current_order.flags = 0;

   426

   427

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

   428

			v->cur_order_index++;

   429

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

   430

			v->vehstatus |= VS_STOPPED;

   431

			if (v->owner == _local_player) {

   432

				SetDParam(0, v->unitnumber);

   433

				AddNewsItem(

   434

					STR_981C_SHIP_IS_WAITING_IN_DEPOT,

   435

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

   436

					v->index,

   437

					0);

   438

			}

   439

		}

   440

	}

   441

	InvalidateWindowClasses(WC_SHIPS_LIST);

   442

}

   443

   444

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

   445

{

   446

	/* Check if station was ever visited before */

   447

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

   448

		uint32 flags;

   449

		st->had_vehicle_of_type |= HVOT_SHIP;

   450

		SetDParam(0, st->index);

   451

		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);

   452

		AddNewsItem(

   453

			STR_9833_CITIZENS_CELEBRATE_FIRST,

   454

			flags,

   455

			v->index,

   456

			0);

   457

	}

   458

}

   459

   460

typedef struct {

   461

	TileIndex skiptile;

   462

	TileIndex dest_coords;

   463

	uint best_bird_dist;

   464

	uint best_length;

   465

} PathFindShip;

   466

   467

//extern void dbg_store_path();

   468

   469

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

   470

{

   471

	// Found dest?

   472

	if (tile == pfs->dest_coords) {

   473

		pfs->best_bird_dist = 0;

   474

   475

//		if (length < pfs->best_length)

   476

//			dbg_store_path();

   477

   478

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

   479

		return true;

   480

	}

   481

   482

	// Skip this tile in the calculation

   483

	if (tile != pfs->skiptile) {

   484

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

   485

	}

   486

   487

	return false;

   488

}

   489

   490

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

   491

	{ 0, 9, 2, 9 },

   492

	{ 9, 1, 9, 3 },

   493

	{ 9, 0, 3, 9 },

   494

	{ 1, 9, 9, 2 },

   495

	{ 3, 2, 9, 9 },

   496

	{ 9, 9, 1, 0 },

   497

};

   498

   499

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

   500

   501

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

   502

{

   503

	PathFindShip pfs;

   504

	int i, best_track;

   505

	uint best_bird_dist = 0;

   506

	uint best_length    = 0;

   507