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

	byte owner = v->owner;

    73

	uint tile2 = v->tile;

    74

    75

	if (_patches.new_pathfinding_all) {

    76

		NPFFoundTargetData ftd;

    77

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

    78

		/* XXX --- SLOW!!!! */

    79

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

    80

		if (ftd.best_bird_dist == 0)

    81

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

    82

		else

    83

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

    84

	} else {

    85

		FOR_ALL_DEPOTS(depot) {

    86

			tile = depot->xy;

    87

			if (IsTileType(tile, MP_WATER) && _map_owner[tile] == owner) {

    88

				dist = DistanceManhattan(tile, tile2);

    89

				if (dist < best_dist) {

    90

					best_dist = dist;

    91

					best_depot = depot;

    92

				}

    93

			}

    94

		}

    95

	}

    96

	return best_depot;

    97

}

    98

    99

static void CheckIfShipNeedsService(Vehicle *v)

   100

{

   101

	Depot *depot;

   102

   103

	if (_patches.servint_ships == 0 && !v->set_for_replacement)

   104

		return;

   105

   106

	if (!VehicleNeedsService(v) && !v->set_for_replacement)

   107

		return;

   108

   109

	if (v->vehstatus & VS_STOPPED)

   110

		return;

   111

   112

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

   113

			v->current_order.flags & OF_FULL_LOAD)

   114

		return;

   115

   116

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

   117

		return;

   118

   119

	depot = FindClosestShipDepot(v);

   120

   121

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

   122

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

   123

			v->current_order.type = OT_DUMMY;

   124

			v->current_order.flags = 0;

   125

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

   126

		}

   127

		return;

   128

	}

   129

   130

	v->current_order.type = OT_GOTO_DEPOT;

   131

	v->current_order.flags = OF_NON_STOP;

   132

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

   133

	v->dest_tile = depot->xy;

   134

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

   135

}

   136

   137

void OnNewDay_Ship(Vehicle *v)

   138

{

   139

	int32 cost;

   140

   141

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

   142

		DecreaseVehicleValue(v);

   143

   144

	CheckVehicleBreakdown(v);

   145

	AgeVehicle(v);

   146

	CheckIfShipNeedsService(v);

   147

   148

	CheckOrders(v->index, OC_INIT);

   149

   150

	if (v->vehstatus & VS_STOPPED)

   151

		return;

   152

   153

   154

   155

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

   156

	v->profit_this_year -= cost >> 8;

   157

   158

	SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN);

   159

	SubtractMoneyFromPlayerFract(v->owner, cost);

   160

   161

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   162

	//we need this for the profit

   163

	InvalidateWindowClasses(WC_SHIPS_LIST);

   164

}

   165

   166

static void HandleBrokenShip(Vehicle *v)

   167

{

   168

	if (v->breakdown_ctr != 1) {

   169

		v->breakdown_ctr = 1;

   170

		v->cur_speed = 0;

   171

   172

		if (v->breakdowns_since_last_service != 255)

   173

			v->breakdowns_since_last_service++;

   174

   175

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   176

		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   177

   178

		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?

   179

			SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);

   180

   181

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

   182

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

   183

			if (u)

   184

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

   185

		}

   186

	}

   187

   188

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

   189

		if (!--v->breakdown_delay) {

   190

			v->breakdown_ctr = 0;

   191

			InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   192

		}

   193

	}

   194

}

   195

   196

static void MarkShipDirty(Vehicle *v)

   197

{

   198

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

   199

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

   200

}

   201

   202

static void PlayShipSound(Vehicle *v)

   203

{

   204

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

   205

}

   206

   207

static const TileIndexDiffC _dock_offs[] = {

   208

	{ 2,  0},

   209

	{-2,  0},

   210

	{ 0,  2},

   211

	{ 2,  0},

   212

	{ 0, -2},

   213

	{ 0,  0},

   214

	{ 0,  0},

   215

	{ 0,  0}

   216

};

   217

   218

static void ProcessShipOrder(Vehicle *v)

   219

{

   220

	const Order *order;

   221

   222

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

   223

			v->current_order.type <= OT_LEAVESTATION) {

   224

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

   225

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

   226

			return;

   227

	}

   228

   229

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

   230

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

   231

			!VehicleNeedsService(v) && !v->set_for_replacement) {

   232

		v->cur_order_index++;

   233

	}

   234

   235

   236

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

   237

		v->cur_order_index = 0;

   238

   239

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

   240

   241

	if (order == NULL) {

   242

		v->current_order.type  = OT_NOTHING;

   243

		v->current_order.flags = 0;

   244

		v->dest_tile = 0;

   245

		return;

   246

	}

   247

   248

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

   249

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

   250

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

   251

		return;

   252

   253

	v->current_order = *order;

   254

   255

	if (order->type == OT_GOTO_STATION) {

   256

		const Station *st;

   257

   258

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

   259

			v->last_station_visited = INVALID_STATION;

   260

   261

		st = GetStation(order->station);

   262

		if (st->dock_tile != 0) {

   263

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

   264

		}

   265

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

   266

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

   267

	} else {

   268

		v->dest_tile = 0;

   269

	}

   270

   271

	InvalidateVehicleOrder(v);

   272

   273

	InvalidateWindowClasses(WC_SHIPS_LIST);

   274

}

   275

   276

static void HandleShipLoading(Vehicle *v)

   277

{

   278

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

   279

		return;

   280

   281

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

   282

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

   283

			return;

   284

   285

		if (--v->load_unload_time_rem)

   286

			return;

   287

   288

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

   289

			SET_EXPENSES_TYPE(EXPENSES_SHIP_INC);

   290

			if (LoadUnloadVehicle(v)) {

   291

				InvalidateWindow(WC_SHIPS_LIST, v->owner);

   292

				MarkShipDirty(v);

   293

			}

   294

			return;

   295

		}

   296

		PlayShipSound(v);

   297

   298

		{

   299

			Order b = v->current_order;

   300

			v->current_order.type = OT_LEAVESTATION;

   301

			v->current_order.flags = 0;

   302

   303

			if (v->current_order.type != OT_GOTO_DEPOT && v->owner == _local_player) {

   304

				// only the vehicle owner needs to calculate the rest (locally)

   305

				if ((_autoreplace_array[v->engine_type] != v->engine_type) ||

   306

					(_patches.autorenew && v->age - v->max_age > (_patches.autorenew_months * 30))) {

   307

					byte flags = 1;

   308

					// the flags means, bit 0 = needs to go to depot, bit 1 = have depot in orders

   309

					if (VehicleHasDepotOrders(v)) SETBIT(flags, 1);

   310

					if (!(HASBIT(flags, 1) && v->set_for_replacement)) {

   311

						_current_player = _local_player;

   312

						DoCommandP(v->tile, v->index, flags, NULL, CMD_SEND_SHIP_TO_DEPOT | CMD_SHOW_NO_ERROR);

   313

						_current_player = OWNER_NONE;

   314

					}

   315

				} else { // no need to go to a depot

   316

					if (v->set_for_replacement) {

   317

						// it seems that the user clicked "Stop replacing"

   318

						_current_player = _local_player;

   319

						DoCommandP(v->tile, v->index, 1 | (1 << 2), NULL, CMD_SEND_SHIP_TO_DEPOT | CMD_SHOW_NO_ERROR);

   320

						_current_player = OWNER_NONE;

   321

					}

   322

				}

   323

			}

   324

			if (!(b.flags & OF_NON_STOP))

   325

				return;

   326

		}

   327

	}

   328

   329

	v->cur_order_index++;

   330

	InvalidateVehicleOrder(v);

   331

}

   332

   333

static void UpdateShipDeltaXY(Vehicle *v, int dir)

   334

{

   335

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

   336

	static const uint32 _delta_xy_table[8] = {

   337

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

   338

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

   339

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

   340

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

   341

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

   342

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

   343

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

   344

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

   345

	};

   346

#undef MKIT

   347

	uint32 x = _delta_xy_table[dir];

   348

	v->x_offs = (byte)x;

   349

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

   350

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

   351

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

   352

}

   353

   354

static void RecalcShipStuff(Vehicle *v)

   355

{

   356

	UpdateShipDeltaXY(v, v->direction);

   357

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

   358

	MarkShipDirty(v);

   359

	InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   360

}

   361

   362

static const TileIndexDiffC _ship_leave_depot_offs[] = {

   363

	{-1,  0},

   364

	{ 0, -1}

   365

};

   366

   367

static void CheckShipLeaveDepot(Vehicle *v)

   368

{

   369

	uint tile;

   370

	int d;

   371

	uint m;

   372

   373

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

   374

		return;

   375

   376

	tile = v->tile;

   377

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

   378

   379

	// Check first side

   380

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

   381

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

   382

	// Check second side

   383

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

   384

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

   385

	} else {

   386

		return;

   387

	}

   388

	v->direction = (byte)m;

   389

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

   390

	v->vehstatus &= ~VS_HIDDEN;

   391

   392

	v->cur_speed = 0;

   393

	RecalcShipStuff(v);

   394

   395

	PlayShipSound(v);

   396

	VehicleServiceInDepot(v);

   397

	InvalidateWindowClasses(WC_SHIPS_LIST);

   398

}

   399

   400

static bool ShipAccelerate(Vehicle *v)

   401

{

   402

	uint spd;

   403

	byte t;

   404

   405

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

   406

   407

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

   408

	if (spd != v->cur_speed) {

   409

		v->cur_speed = spd;

   410

		if (_patches.vehicle_speed)

   411

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

   412

	}

   413

   414

	// Decrease somewhat when turning

   415

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

   416

		spd = spd * 3 >> 2;

   417

	}

   418

   419

	if (spd == 0)

   420

		return false;

   421

   422

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

   423

		return true;

   424

   425

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

   426

   427

	return (t < v->progress);

   428

}

   429

   430

   431

int32 EstimateShipCost(uint16 engine_type);

   432

   433

static void ShipEnterDepot(Vehicle *v)

   434

{

   435

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

   436

	v->vehstatus |= VS_HIDDEN;

   437

	v->cur_speed = 0;

   438

	RecalcShipStuff(v);

   439

   440

	VehicleServiceInDepot(v);

   441

   442

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   443

   444

	MaybeReplaceVehicle(v);

   445

   446

	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);

   447

   448

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

   449

		Order t;

   450

   451

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   452

   453

		t = v->current_order;

   454

		v->current_order.type = OT_DUMMY;

   455

		v->current_order.flags = 0;

   456

   457

		if (t.flags & OF_UNLOAD) {

   458

			v->cur_order_index++;

   459

		} else if (t.flags & OF_FULL_LOAD) {

   460

			v->vehstatus |= VS_STOPPED;

   461

			if (v->owner == _local_player) {

   462

				SetDParam(0, v->unitnumber);

   463

				AddNewsItem(

   464

					STR_981C_SHIP_IS_WAITING_IN_DEPOT,

   465

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

   466

					v->index,

   467

					0);

   468

			}

   469

		}

   470

	}

   471

	InvalidateWindowClasses(WC_SHIPS_LIST);

   472

}

   473

   474

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

   475

{

   476

	/* Check if station was ever visited before */

   477

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

   478

		uint32 flags;

   479

		st->had_vehicle_of_type |= HVOT_SHIP;

   480

		SetDParam(0, st->index);

   481

		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);

   482

		AddNewsItem(

   483

			STR_9833_CITIZENS_CELEBRATE_FIRST,

   484

			flags,

   485

			v->index,

   486

			0);

   487

	}

   488

}

   489

   490

typedef struct {

   491

	uint skiptile;

   492

	uint dest_coords;

   493

	uint best_bird_dist;

   494

	uint best_length;

   495

} PathFindShip;

   496

   497

//extern void dbg_store_path();

   498

   499

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

   500

{

   501

	// Found dest?

   502

	if (tile == pfs->dest_coords) {

   503

		pfs->best_bird_dist = 0;

   504

   505

//		if (length < pfs->best_length)

   506

//			dbg_store_path();

   507

   508