1

#include "stdafx.h"

     2

#include "ttd.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 "gfx.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

    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(uint tile) {

    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

void DrawShipEngineInfo(int engine, int x, int y, int maxw)

    44

{

    45

	const ShipVehicleInfo *svi = ShipVehInfo(engine);

    46

	SetDParam(0, svi->base_cost * (_price.ship_base>>3)>>5);

    47

	SetDParam(1, svi->max_speed * 10 >> 5);

    48

	SetDParam(2, _cargoc.names_long_p[svi->cargo_type]);

    49

	SetDParam(3, svi->capacity);

    50

	SetDParam(4, svi->running_cost * _price.ship_running >> 8);

    51

	DrawStringMultiCenter(x, y, STR_982E_COST_MAX_SPEED_CAPACITY, maxw);

    52

}

    53

    54

int GetShipImage(Vehicle *v, byte direction)

    55

{

    56

	int spritenum = v->spritenum;

    57

    58

	if (is_custom_sprite(spritenum)) {

    59

		int sprite = GetCustomVehicleSprite(v, direction);

    60

    61

		if (sprite) return sprite;

    62

		spritenum = _engine_original_sprites[v->engine_type];

    63

	}

    64

	return _ship_sprites[spritenum] + direction;

    65

}

    66

    67

static Depot *FindClosestShipDepot(Vehicle *v)

    68

{

    69

	Depot *depot;

    70

	Depot *best_depot = NULL;

    71

	uint tile, dist, best_dist = (uint)-1;

    72

	uint tile2 = v->tile;

    73

    74

	if (_patches.new_pathfinding_all) {

    75

		NPFFoundTargetData ftd;

    76

		byte trackdir = _track_direction_to_trackdir[FIND_FIRST_BIT(v->u.ship.state)][v->direction];

    77

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

    78

		if (ftd.best_bird_dist == 0)

    79

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

    80

		else

    81

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

    82

	} else {

    83

		FOR_ALL_DEPOTS(depot) {

    84

			tile = depot->xy;

    85

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

    86

				dist = DistanceManhattan(tile, tile2);

    87

				if (dist < best_dist) {

    88

					best_dist = dist;

    89

					best_depot = depot;

    90

				}

    91

			}

    92

		}

    93

	}

    94

	return best_depot;

    95

}

    96

    97

static void CheckIfShipNeedsService(Vehicle *v)

    98

{

    99

	Depot *depot;

   100

   102

		return;

   103

   105

		return;

   106

   107

	if (v->vehstatus & VS_STOPPED)

   108

		return;

   109

   110

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

   111

			v->current_order.flags & OF_FULL_LOAD)

   112

		return;

   113

   114

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

   115

		return;

   116

   117

	depot = FindClosestShipDepot(v);

   118

   119

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

   120

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

   121

			v->current_order.type = OT_DUMMY;

   122

			v->current_order.flags = 0;

   123

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

   124

		}

   125

		return;

   126

	}

   127

   128

	v->current_order.type = OT_GOTO_DEPOT;

   129

	v->current_order.flags = OF_NON_STOP;

   130

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

   131

	v->dest_tile = depot->xy;

   132

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

   133

}

   134

   135

void OnNewDay_Ship(Vehicle *v)

   136

{

   137

	int32 cost;

   138

   139

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

   140

		DecreaseVehicleValue(v);

   141

   142

	CheckVehicleBreakdown(v);

   143

	AgeVehicle(v);

   144

	CheckIfShipNeedsService(v);

   145

   146

	CheckOrders(v->index, OC_INIT);

   147

   148

	if (v->vehstatus & VS_STOPPED)

   149

		return;

   150

   151

   152

   153

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

   154

	v->profit_this_year -= cost >> 8;

   155

   156

	SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN);

   157

	SubtractMoneyFromPlayerFract(v->owner, cost);

   158

   159

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   160

	//we need this for the profit

   161

	InvalidateWindowClasses(WC_SHIPS_LIST);

   162

}

   163

   164

static void HandleBrokenShip(Vehicle *v)

   165

{

   166

	if (v->breakdown_ctr != 1) {

   167

		v->breakdown_ctr = 1;

   168

		v->cur_speed = 0;

   169

   170

		if (v->breakdowns_since_last_service != 255)

   171

			v->breakdowns_since_last_service++;

   172

   173

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   174

		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   175

   176

		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?

   177

			SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);

   178

   179

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

   180

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

   181

			if (u)

   182

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

   183

		}

   184

	}

   185

   186

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

   187

		if (!--v->breakdown_delay) {

   188

			v->breakdown_ctr = 0;

   189

			InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   190

		}

   191

	}

   192

}

   193

   194

static void MarkShipDirty(Vehicle *v)

   195

{

   196

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

   197

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

   198

}

   199

   200

static void PlayShipSound(Vehicle *v)

   201

{

   202

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

   203

}

   204

   205

static const TileIndexDiffC _dock_offs[] = {

   206

	{ 2,  0},

   207

	{-2,  0},

   208

	{ 0,  2},

   209

	{ 2,  0},

   210

	{ 0, -2},

   211

	{ 0,  0},

   212

	{ 0,  0},

   213

	{ 0,  0}

   214

};

   215

   216

static void ProcessShipOrder(Vehicle *v)

   217

{

   218

	const Order *order;

   219

   220

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

   221

			v->current_order.type <= OT_LEAVESTATION) {

   222

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

   223

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

   224

			return;

   225

	}

   226

   227

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

   228

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

   230

		v->cur_order_index++;

   231

	}

   232

   233

   234

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

   235

		v->cur_order_index = 0;

   236

   237

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

   238

   239

	if (order == NULL) {

   240

		v->current_order.type  = OT_NOTHING;

   241

		v->current_order.flags = 0;

   242

		v->dest_tile = 0;

   243

		return;

   244

	}

   245

   246

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

   247

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

   248

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

   249

		return;

   250

   251

	v->current_order = *order;

   252

   253

	if (order->type == OT_GOTO_STATION) {

   254

		const Station *st;

   255

   256

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

   257

			v->last_station_visited = INVALID_STATION;

   258

   259

		st = GetStation(order->station);

   260

		if (st->dock_tile != 0) {

   261

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

   262

		}

   263

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

   264

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

   265

	} else {

   266

		v->dest_tile = 0;

   267

	}

   268

   269

	InvalidateVehicleOrder(v);

   270

   271

	InvalidateWindowClasses(WC_SHIPS_LIST);

   272

}

   273

   274

static void HandleShipLoading(Vehicle *v)

   275

{

   276

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

   277

		return;

   278

   279

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

   280

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

   281

			return;

   282

   283

		if (--v->load_unload_time_rem)

   284

			return;

   285

   286

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

   287

			SET_EXPENSES_TYPE(EXPENSES_SHIP_INC);

   288

			if (LoadUnloadVehicle(v)) {

   289

				InvalidateWindow(WC_SHIPS_LIST, v->owner);

   290

				MarkShipDirty(v);

   291

			}

   292

			return;

   293

		}

   294

		PlayShipSound(v);

   295

   296

		{

   297

			Order b = v->current_order;

   298

			v->current_order.type = OT_LEAVESTATION;

   299

			v->current_order.flags = 0;

   300

			if (!(b.flags & OF_NON_STOP))

   301

				return;

   302

		}

   303

	}

   304

   305

	v->cur_order_index++;

   306

	InvalidateVehicleOrder(v);

   307

}

   308

   309

static void UpdateShipDeltaXY(Vehicle *v, int dir)

   310

{

   311

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

   312

	static const uint32 _delta_xy_table[8] = {

   313

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

   314

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

   315

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

   316

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

   317

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

   318

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

   319

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

   320

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

   321

	};

   322

#undef MKIT

   323

	uint32 x = _delta_xy_table[dir];

   324

	v->x_offs = (byte)x;

   325

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

   326

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

   327

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

   328

}

   329

   330

static void RecalcShipStuff(Vehicle *v)

   331

{

   332

	UpdateShipDeltaXY(v, v->direction);

   333

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

   334

	MarkShipDirty(v);

   335

	InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   336

}

   337

   338

static const TileIndexDiffC _ship_leave_depot_offs[] = {

   339

	{-1,  0},

   340

	{ 0, -1}

   341

};

   342

   343

static void CheckShipLeaveDepot(Vehicle *v)

   344

{

   345

	uint tile;

   346

	int d;

   347

	uint m;

   348

   349

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

   350

		return;

   351

   352

	tile = v->tile;

   353

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

   354

   355

	// Check first side

   356

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

   357

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

   358

	// Check second side

   359

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

   360

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

   361

	} else {

   362

		return;

   363

	}

   364

	v->direction = (byte)m;

   365

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

   366

	v->vehstatus &= ~VS_HIDDEN;

   367

   368

	v->cur_speed = 0;

   369

	RecalcShipStuff(v);

   370

   371

	PlayShipSound(v);

   372

	VehicleServiceInDepot(v);

   373

	InvalidateWindowClasses(WC_SHIPS_LIST);

   374

}

   375

   376

static bool ShipAccelerate(Vehicle *v)

   377

{

   378

	uint spd;

   379

	byte t;

   380

   381

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

   382

   383

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

   384

	if (spd != v->cur_speed) {

   385

		v->cur_speed = spd;

   386

		if (_patches.vehicle_speed)

   387

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

   388

	}

   389

   390

	// Decrease somewhat when turning

   391

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

   392

		spd = spd * 3 >> 2;

   393

	}

   394

   395

	if (spd == 0)

   396

		return false;

   397

   398

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

   399

		return true;

   400

   401

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

   402

   403

	return (t < v->progress);

   404

}

   405

   406

   407

int32 EstimateShipCost(uint16 engine_type);

   408

   409

static void ShipEnterDepot(Vehicle *v)

   410

{

   411

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

   412

	v->vehstatus |= VS_HIDDEN;

   413

	v->cur_speed = 0;

   414

	RecalcShipStuff(v);

   415

   416

	VehicleServiceInDepot(v);

   417

   418

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   419

   420

	MaybeReplaceVehicle(v);

   421

   422

	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);

   423

   424

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

   425

		Order t;

   426

   427

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   428

   429

		t = v->current_order;

   430

		v->current_order.type = OT_DUMMY;

   431

		v->current_order.flags = 0;

   432

   433

		if (t.flags & OF_UNLOAD) {

   434

			v->cur_order_index++;

   435

		} else if (t.flags & OF_FULL_LOAD) {

   436

			v->vehstatus |= VS_STOPPED;

   437

			if (v->owner == _local_player) {

   438

				SetDParam(0, v->unitnumber);

   439

				AddNewsItem(

   440

					STR_981C_SHIP_IS_WAITING_IN_DEPOT,

   441

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

   442

					v->index,

   443

					0);

   444

			}

   445

		}

   446

	}

   447

	InvalidateWindowClasses(WC_SHIPS_LIST);

   448

}

   449

   450

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

   451

{

   452

	/* Check if station was ever visited before */

   453

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

   454

		uint32 flags;

   455

		st->had_vehicle_of_type |= HVOT_SHIP;

   456

		SetDParam(0, st->index);

   457

		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);

   458

		AddNewsItem(

   459

			STR_9833_CITIZENS_CELEBRATE_FIRST,

   460

			flags,

   461

			v->index,

   462

			0);

   463

	}

   464

}

   465

   466

typedef struct {

   467

	uint skiptile;

   468

	uint dest_coords;

   469

	uint best_bird_dist;

   470

	uint best_length;

   471

} PathFindShip;

   472

   473

//extern void dbg_store_path();

   474

   475

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

   476

{

   477

	// Found dest?

   478

	if (tile == pfs->dest_coords) {

   479

		pfs->best_bird_dist = 0;

   480

   481

//		if (length < pfs->best_length)

   482

//			dbg_store_path();

   483

   484

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

   485

		return true;

   486

	}

   487

   488

	// Skip this tile in the calculation

   489

	if (tile != pfs->skiptile) {

   490

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

   491

	}

   492

   493

	return false;

   494

}

   495

   496

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

   497

	{ 0, 9, 2, 9 },

   498

	{ 9, 1, 9, 3 },

   499

	{ 9, 0, 3, 9 },

   500

	{ 1, 9, 9, 2 },

   501

	{ 3, 2, 9, 9 },

   502

	{ 9, 9, 1, 0 },

   503

};

   504

   505

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

   506

   507

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

   508

{

   509