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

    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(uint tile) {

    22

	uint32 r = GetTileTrackStatus(tile, TRANSPORT_WATER);

    23

	return r | r >> 8;

    24

}

    25

    26

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

    27

{

    28

	int spritenum = ShipVehInfo(engine)->image_index;

    29

    30

	if (is_custom_sprite(spritenum)) {

    31

		int sprite = GetCustomVehicleIcon(engine, 6);

    32

    33

		if (sprite) {

    34

			DrawSprite(sprite | image_ormod, x, y);

    35

			return;

    36

		}

    37

		spritenum = _engine_original_sprites[engine];

    38

	}

    39

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

    40

}

    41

    42

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

    43

{

    44

	const ShipVehicleInfo *svi = ShipVehInfo(engine);

    45

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

    46

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

    47

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

    48

	SetDParam(3, svi->capacity);

    49

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

    50

	DrawStringMultiCenter(x, y, STR_982E_COST_MAX_SPEED_CAPACITY, maxw);

    51

}

    52

    53

int GetShipImage(Vehicle *v, byte direction)

    54

{

    55

	int spritenum = v->spritenum;

    56

    57

	if (is_custom_sprite(spritenum)) {

    58

		int sprite = GetCustomVehicleSprite(v, direction);

    59

    60

		if (sprite) return sprite;

    61

		spritenum = _engine_original_sprites[v->engine_type];

    62

	}

    63

	return _ship_sprites[spritenum] + direction;

    64

}

    65

    66

static int FindClosestShipDepot(Vehicle *v)

    67

{

    68

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

    69

	int best_depot = -1;

    70

	int i;

    71

	byte owner = v->owner;

    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_ROAD);

    78

		if (ftd.best_bird_dist == 0)

    79

			best_depot = ftd.node.tile; /* Found target */

    80

		else

    81

			best_depot = -1; /* Did not find target */

    82

	} else {

    83

		for(i=0; i!=lengthof(_depots); i++) {

    84

			tile = _depots[i].xy;

    85

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

    86

				dist = DistanceManhattan(tile, tile2);

    87

				if (dist < best_dist) {

    88

					best_dist = dist;

    89

					best_depot = i;

    90

				}

    91

			}

    92

		}

    93

	}

    94

	return best_depot;

    95

}

    96

    97

static void CheckIfShipNeedsService(Vehicle *v)

    98

{

    99

	int i;

   100

   101

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

   102

		return;

   103

   104

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

   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

	i = FindClosestShipDepot(v);

   118

   119

	if (i < 0 || DistanceManhattan(v->tile, (&_depots[i])->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 = (byte)i;

   131

	v->dest_tile = (&_depots[i])->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) &&

   229

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

   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 = _depots[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

   301

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

   302

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

   303

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

   304

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

   305

					byte flags = 1;

   306

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

   307

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

   308

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

   309

						_current_player = _local_player;

   310

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

   311

						_current_player = OWNER_NONE;

   312

					}

   313

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

   314

					if (v->set_for_replacement) {

   315

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

   316

						_current_player = _local_player;

   317

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

   318

						_current_player = OWNER_NONE;

   319

					}

   320

				}

   321

			}

   322

			if (!(b.flags & OF_NON_STOP))

   323

				return;

   324

		}

   325

	}

   326

   327

	v->cur_order_index++;

   328

	InvalidateVehicleOrder(v);

   329

}

   330

   331

static void UpdateShipDeltaXY(Vehicle *v, int dir)

   332

{

   333

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

   334

	static const uint32 _delta_xy_table[8] = {

   335

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

   336

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

   337

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

   338

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

   339

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

   340

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

   341

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

   342

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

   343

	};

   344

#undef MKIT

   345

	uint32 x = _delta_xy_table[dir];

   346

	v->x_offs = (byte)x;

   347

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

   348

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

   349

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

   350

}

   351

   352

static void RecalcShipStuff(Vehicle *v)

   353

{

   354

	UpdateShipDeltaXY(v, v->direction);

   355

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

   356

	MarkShipDirty(v);

   357

	InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   358

}

   359

   360

static const TileIndexDiffC _ship_leave_depot_offs[] = {

   361

	{-1,  0},

   362

	{ 0, -1}

   363

};

   364

   365

static void CheckShipLeaveDepot(Vehicle *v)

   366

{

   367

	uint tile;

   368

	int d;

   369

	uint m;

   370

   371

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

   372

		return;

   373

   374

	tile = v->tile;

   375

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

   376

   377

	// Check first side

   378

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

   379

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

   380

	// Check second side

   381

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

   382

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

   383

	} else {

   384

		return;

   385

	}

   386

	v->direction = (byte)m;

   387

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

   388

	v->vehstatus &= ~VS_HIDDEN;

   389

   390

	v->cur_speed = 0;

   391

	RecalcShipStuff(v);

   392

   393

	PlayShipSound(v);

   394

	VehicleServiceInDepot(v);

   395

	InvalidateWindowClasses(WC_SHIPS_LIST);

   396

}

   397

   398

static bool ShipAccelerate(Vehicle *v)

   399

{

   400

	uint spd;

   401

	byte t;

   402

   403

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

   404

   405

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

   406

	if (spd != v->cur_speed) {

   407

		v->cur_speed = spd;

   408

		if (_patches.vehicle_speed)

   409

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

   410

	}

   411

   412

	// Decrease somewhat when turning

   413

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

   414

		spd = spd * 3 >> 2;

   415

	}

   416

   417

	if (spd == 0)

   418

		return false;

   419

   420

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

   421

		return true;

   422

   423

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

   424

   425

	return (t < v->progress);

   426

}

   427

   428

   429

int32 EstimateShipCost(uint16 engine_type);

   430

   431

static void ShipEnterDepot(Vehicle *v)

   432

{

   433

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

   434

	v->vehstatus |= VS_HIDDEN;

   435

	v->cur_speed = 0;

   436

	RecalcShipStuff(v);

   437

   438

	VehicleServiceInDepot(v);

   439

   440

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   441

   442

	MaybeReplaceVehicle(v);

   443

   444

	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);

   445

   446

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

   447

		Order t;

   448

   449

		InvalidateWindow(WC_VEHICLE_VIEW, v->index);

   450

   451

		t = v->current_order;

   452

		v->current_order.type = OT_DUMMY;

   453

		v->current_order.flags = 0;

   454

   455

		if (t.flags & OF_UNLOAD) {

   456

			v->cur_order_index++;

   457

		} else if (t.flags & OF_FULL_LOAD) {

   458

			v->vehstatus |= VS_STOPPED;

   459

			if (v->owner == _local_player) {

   460

				SetDParam(0, v->unitnumber);

   461

				AddNewsItem(

   462

					STR_981C_SHIP_IS_WAITING_IN_DEPOT,

   463

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

   464

					v->index,

   465

					0);

   466

			}

   467

		}

   468

	}

   469

	InvalidateWindowClasses(WC_SHIPS_LIST);

   470

}

   471

   472

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

   473

{

   474

	/* Check if station was ever visited before */

   475

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

   476

		uint32 flags;

   477

		st->had_vehicle_of_type |= HVOT_SHIP;

   478

		SetDParam(0, st->index);

   479

		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);

   480

		AddNewsItem(

   481

			STR_9833_CITIZENS_CELEBRATE_FIRST,

   482

			flags,

   483

			v->index,

   484

			0);

   485

	}

   486

}

   487

   488

typedef struct {

   489

	uint skiptile;

   490

	uint dest_coords;

   491

	uint best_bird_dist;

   492

	uint best_length;

   493

} PathFindShip;

   494

   495

//extern void dbg_store_path();

   496

   497

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

   498

{

   499

	// Found dest?

   500

	if (tile == pfs->dest_coords) {

   501

		pfs->best_bird_dist = 0;

   502

   503

//		if (length < pfs->best_length)

   504

//			dbg_store_path();

   505

   506

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

   507

		return true;

   508

	}

   509