1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "table/strings.h"

     4

#include "vehicle.h"

     5

#include "engine.h"

     6

#include "command.h"

     7

#include "station.h"

     8

#include "news.h"

     9

#include "gfx.h"

    10

#include "pathfind.h"

    11

#include "player.h"

    12

#include "sound.h"

    13

    14

void ShowRoadVehViewWindow(Vehicle *v);

    15

    16

static const uint16 _roadveh_images[63] = {

    17

	0xCD4, 0xCDC, 0xCE4, 0xCEC, 0xCF4, 0xCFC, 0xD0C, 0xD14,

    18

	0xD24, 0xD1C, 0xD2C, 0xD04, 0xD1C, 0xD24, 0xD6C, 0xD74,

    19

	0xD7C, 0xC14, 0xC1C, 0xC24, 0xC2C, 0xC34, 0xC3C, 0xC4C,

    20

	0xC54, 0xC64, 0xC5C, 0xC6C, 0xC44, 0xC5C, 0xC64, 0xCAC,

    21

	0xCB4, 0xCBC, 0xD94, 0xD9C, 0xDA4, 0xDAC, 0xDB4, 0xDBC,

    22

	0xDCC, 0xDD4, 0xDE4, 0xDDC, 0xDEC, 0xDC4, 0xDDC, 0xDE4,

    23

	0xE2C, 0xE34, 0xE3C, 0xC14, 0xC1C, 0xC2C, 0xC3C, 0xC4C,

    24

	0xC5C, 0xC64, 0xC6C, 0xC74, 0xC84, 0xC94, 0xCA4

    25

};

    26

    27

static const uint16 _roadveh_full_adder[63] = {

    28

    0,  88,   0,   0,   0,   0,  48,  48,

    29

   48,  48,   0,   0,  64,  64,   0,  16,

    30

   16,   0,  88,   0,   0,   0,   0,  48,

    31

   48,  48,  48,   0,   0,  64,  64,   0,

    32

   16,  16,   0,  88,   0,   0,   0,   0,

    33

   48,  48,  48,  48,   0,   0,  64,  64,

    34

    0,  16,  16,   0,   8,   8,   8,   8,

    35

    0,   0,   0,   8,   8,   8,   8

    36

};

    37

    38

    39

static const uint16 _road_veh_fp_ax_or[4] = {

    40

	0x100,0x200,1,2,

    41

};

    42

    43

static const uint16 _road_veh_fp_ax_and[4] = {

    44

	0x1009, 0x16, 0x520, 0x2A00

    45

};

    46

    47

static const byte _road_reverse_table[4] = {

    48

	6, 7, 14, 15

    49

};

    50

    51

static const uint16 _road_pf_table_3[4] = {

    52

	0x910, 0x1600, 0x2005, 0x2A

    53

};

    54

    55

int GetRoadVehImage(Vehicle *v, byte direction)

    56

{

    57

	int img = v->spritenum;

    58

	int image;

    59

    60

	if (is_custom_sprite(img)) {

    61

		image = GetCustomVehicleSprite(v, direction);

    62

		if (image) return image;

    63

		img = _engine_original_sprites[v->engine_type];

    64

	}

    65

    66

	image = direction + _roadveh_images[img];

    67

	if (v->cargo_count >= (v->cargo_cap >> 1))

    68

		image += _roadveh_full_adder[img];

    69

	return image;

    70

}

    71

    72

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

    73

{

    74

	int spritenum = RoadVehInfo(engine)->image_index;

    75

    76

	if (is_custom_sprite(spritenum)) {

    77

		int sprite = GetCustomVehicleIcon(engine, 6);

    78

    79

		if (sprite) {

    80

			DrawSprite(sprite | image_ormod, x, y);

    81

			return;

    82

		}

    83

		spritenum = _engine_original_sprites[engine];

    84

	}

    85

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

    86

}

    87

    88

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

    89

{

    90

	const RoadVehicleInfo *rvi = RoadVehInfo(engine);

    91

    92

	SetDParam(0, ((_price.roadveh_base >> 3) * rvi->base_cost) >> 5);

    93

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

    94

	SetDParam(2, rvi->running_cost * _price.roadveh_running >> 8);

    95

    96

	SetDParam(4, rvi->capacity);

    97

	SetDParam(3, _cargoc.names_long_p[rvi->cargo_type]);

    98

    99

	DrawStringMultiCenter(x, y, STR_902A_COST_SPEED_RUNNING_COST, maxw);

   100

}

   101

   102

static int32 EstimateRoadVehCost(byte engine_type)

   103

{

   104

	return ((_price.roadveh_base >> 3) * RoadVehInfo(engine_type)->base_cost) >> 5;

   105

}

   106

   107

int32 CmdBuildRoadVeh(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   108

{

   109

	int32 cost;

   110

	Vehicle *v;

   111

	byte unit_num;

   112

	uint tile = TILE_FROM_XY(x,y);

   113

	Engine *e;

   114

   115

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   116

   117

	cost = EstimateRoadVehCost(p1);

   118

	if (flags & DC_QUERY_COST)

   119

		return cost;

   120

   121

	v = AllocateVehicle();

   122

	if (v == NULL || _ptr_to_next_order >= endof(_order_array))

   123

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   124

   125

	/* find the first free roadveh id */

   126

	unit_num = GetFreeUnitNumber(VEH_Road);

   127

	if (unit_num > _patches.max_roadveh)

   128

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   129

   130

	if (flags & DC_EXEC) {

   131

		const RoadVehicleInfo *rvi = RoadVehInfo(p1);

   132

   133

		v->unitnumber = unit_num;

   134

		v->direction = 0;

   135

		v->owner = _current_player;

   136

   137

		v->tile = tile;

   138

		x = GET_TILE_X(tile)*16 + 8;

   139

		y = GET_TILE_Y(tile)*16 + 8;

   140

		v->x_pos = x;

   141

		v->y_pos = y;

   142

		v->z_pos = GetSlopeZ(x,y);

   143

		v->z_height = 6;

   144

   145

		v->u.road.state = 254;

   146

		v->vehstatus = VS_HIDDEN|VS_STOPPED|VS_DEFPAL;

   147

   148

		v->spritenum = rvi->image_index;

   149

		v->cargo_type = rvi->cargo_type;

   150

		v->cargo_cap = rvi->capacity;

   151

//		v->cargo_count = 0;

   152

		v->value = cost;

   153

//		v->day_counter = 0;

   154

//		v->next_order_param = v->next_order = 0;

   155

//		v->load_unload_time_rem = 0;

   156

//		v->progress = 0;

   157

   158

//	v->u.road.unk2 = 0;

   159

//	v->u.road.overtaking = 0;

   160

   161

		v->last_station_visited = 0xFF;

   162

		v->max_speed = rvi->max_speed;

   163

		v->engine_type = (byte)p1;

   164

   165

		e = &_engines[p1];

   166

		v->reliability = e->reliability;

   167

		v->reliability_spd_dec = e->reliability_spd_dec;

   168

		v->max_age = e->lifelength * 366;

   169

		_new_roadveh_id = v->index;

   170

   171

		v->string_id = STR_SV_ROADVEH_NAME;

   172

		_ptr_to_next_order->type = OT_NOTHING;

   173

		_ptr_to_next_order->flags = 0;

   174

		v->schedule_ptr = _ptr_to_next_order++;

   175

   176

		v->service_interval = _patches.servint_roadveh;

   177

   178

		v->date_of_last_service = _date;

   179

		v->build_year = _cur_year;

   180

   181

		v->type = VEH_Road;

   182

		v->cur_image = 0xC15;

   183

   184

		VehiclePositionChanged(v);

   185

   186

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   187

		RebuildVehicleLists();

   188

		InvalidateWindow(WC_COMPANY, v->owner);

   189

	}

   190

   191

	return cost;

   192

}

   193

   194

// p1 = vehicle

   195

int32 CmdStartStopRoadVeh(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   196

{

   197

	Vehicle *v;

   198

   199

	v = &_vehicles[p1];

   200

   201

	if (v->type != VEH_Road || !CheckOwnership(v->owner))

   202

		return CMD_ERROR;

   203

   204

	if (flags & DC_EXEC) {

   205

		v->vehstatus ^= VS_STOPPED;

   206

		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, 4);

   207

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   208

	}

   209

   210

	return 0;

   211

}

   212

   213

int32 CmdSellRoadVeh(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   214

{

   215

	Vehicle *v;

   216

   217

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   218

   219

	v = &_vehicles[p1];

   220

   221

	if (v->type != VEH_Road || !CheckOwnership(v->owner))

   222

		return CMD_ERROR;

   223

   224

	if (!IsRoadDepotTile(v->tile) || v->u.road.state != 254 || !(v->vehstatus&VS_STOPPED))

   225

		return_cmd_error(STR_9013_MUST_BE_STOPPED_INSIDE);

   226

   227

	if (flags & DC_EXEC) {

   228

		// Invalidate depot

   229

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   230

		RebuildVehicleLists();

   231

		InvalidateWindow(WC_COMPANY, v->owner);

   232

		DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   233

		DeleteVehicle(v);

   234

	}

   235

   236

	return -(int32)v->value;

   237

}

   238

   239

typedef struct RoadFindDepotData {

   240

	uint best_length;

   241

	uint tile;

   242

	byte owner;

   243

} RoadFindDepotData;

   244

   245

   246

static const TileIndexDiff _road_find_sig_dir_mod[4] = {

   247

	TILE_XY(-1,0),

   248

	TILE_XY(0,1),

   249

	TILE_XY(1,0),

   250

	TILE_XY(0,-1),

   251

};

   252

   253

static const byte _road_pf_directions[16] = {

   254

	0, 1, 0, 1, 2, 1, 255, 255,

   255

	2, 3, 3, 2, 3, 0, 255, 255,

   256

};

   257

   258

static bool EnumRoadSignalFindDepot(uint tile, RoadFindDepotData *rfdd, int track, uint length, byte *state)

   259

{

   260

	tile += _road_find_sig_dir_mod[_road_pf_directions[track]];

   261

   262

	if (IS_TILETYPE(tile, MP_STREET) &&

   263

			(_map5[tile] & 0xF0) == 0x20 &&

   264

			_map_owner[tile] == rfdd->owner) {

   265

   266

		if (length < rfdd->best_length) {

   267

			rfdd->best_length = length;

   268

			rfdd->tile = tile;

   269

		}

   270

	}

   271

	return false;

   272

}

   273

   274

static int FindClosestRoadDepot(Vehicle *v)

   275

{

   276

	uint tile = v->tile;

   277

	int i;

   278

	RoadFindDepotData rfdd;

   279

   280

	if (v->u.road.state == 255) { tile = GetVehicleOutOfTunnelTile(v); }

   281

   282

	rfdd.owner = v->owner;

   283

	rfdd.best_length = (uint)-1;

   284

   285

	/* search in all directions */

   286

	for(i=0; i!=4; i++)

   287

		FollowTrack(tile, 0x2000 | TRANSPORT_ROAD, i, (TPFEnumProc*)EnumRoadSignalFindDepot, NULL, &rfdd);

   288

   289

	if (rfdd.best_length == (uint)-1)

   290

		return -1;

   291

   292

	return GetDepotByTile(rfdd.tile);

   293

}

   294

   295

int32 CmdSendRoadVehToDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   296

{

   297

	Vehicle *v = &_vehicles[p1];

   298

	int depot;

   299

   300

	if (v->type != VEH_Road || !CheckOwnership(v->owner))

   301

		return CMD_ERROR;

   302

   303

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

   304

		if (flags & DC_EXEC) {

   305

			if (v->current_order.flags & OF_UNLOAD)

   306

				v->cur_order_index++;

   307

			v->current_order.type = OT_DUMMY;

   308

			v->current_order.flags = 0;

   309

			InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, 4);

   310

		}

   311

		return 0;

   312

	}

   313

   314

	depot = FindClosestRoadDepot(v);

   315

	if (depot < 0)

   316

		return_cmd_error(STR_9019_UNABLE_TO_FIND_LOCAL_DEPOT);

   317

   318

	if (flags & DC_EXEC) {

   319

		v->current_order.type = OT_GOTO_DEPOT;

   320

		v->current_order.flags = OF_NON_STOP | OF_FULL_LOAD;

   321

		v->current_order.station = (byte)depot;

   322

		v->dest_tile = _depots[depot].xy;

   323

		InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, 4);

   324

	}

   325

   326

	return 0;

   327

}

   328

   329

int32 CmdTurnRoadVeh(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   330

{

   331

	Vehicle *v;

   332

   333

	v = &_vehicles[p1];

   334

   335

	if (v->type != VEH_Road || !CheckOwnership(v->owner))

   336

		return CMD_ERROR;

   337

   338

	if (v->vehstatus & (VS_HIDDEN|VS_STOPPED) ||

   339

			v->u.road.crashed_ctr != 0 ||

   340

			v->breakdown_ctr != 0 ||

   341

			v->u.road.overtaking != 0 ||

   342

			v->cur_speed < 5) {

   343

		_error_message = STR_EMPTY;

   344

		return CMD_ERROR;

   345

	}

   346

   347

	if (flags & DC_EXEC) {

   348

		v->u.road.reverse_ctr = 180;

   349

	}

   350

   351

	return 0;

   352

}

   353

   354

int32 CmdChangeRoadVehServiceInt(int x, int y, uint32 flags, uint32 p1, uint32 p2)

   355

{

   356

	Vehicle *v;

   357

   358

	v = &_vehicles[p1];

   359

   360

	if (v->type != VEH_Road || !CheckOwnership(v->owner))

   361

		return CMD_ERROR;

   362

   363

	if (flags & DC_EXEC) {

   364

		v->service_interval = (uint16)p2;

   365

		InvalidateWindowWidget(WC_VEHICLE_DETAILS, v->index, 7);

   366

	}

   367

   368

	return 0;

   369

}

   370

   371

   372

static void MarkRoadVehDirty(Vehicle *v)

   373

{

   374

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

   375

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

   376

}

   377

   378

static void UpdateRoadVehDeltaXY(Vehicle *v)

   379

{

   380

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

   381

	static const uint32 _delta_xy_table[8] = {

   382

		MKIT(3, 3, -1, -1),

   383

		MKIT(3, 7, -1, -3),

   384

		MKIT(3, 3, -1, -1),

   385

		MKIT(7, 3, -3, -1),

   386

		MKIT(3, 3, -1, -1),

   387

		MKIT(3, 7, -1, -3),

   388

		MKIT(3, 3, -1, -1),

   389

		MKIT(7, 3, -3, -1),

   390

	};

   391

#undef MKIT

   392

	uint32 x = _delta_xy_table[v->direction];

   393

	v->x_offs = (byte)x;

   394

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

   395

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

   396

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

   397

}

   398

   399

static void ClearCrashedStation(Vehicle *v)

   400

{

   401

	uint tile = v->tile;

   402

	Station *st = DEREF_STATION(_map2[tile]);

   403

	byte *b, bb;

   404

   405

	b = (_map5[tile] >= 0x47) ? &st->bus_stop_status : &st->truck_stop_status;

   406

   407

	bb = *b;

   408

   409

	// mark station as not busy

   410

	bb &= ~0x80;

   411

   412

	// free parking bay

   413

	bb |= (v->u.road.state&0x02)?2:1;

   414

   415

	*b = bb;

   416

}

   417

   418

static void RoadVehDelete(Vehicle *v)

   419

{

   420

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   421

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   422

   423

	RebuildVehicleLists();

   424

	InvalidateWindow(WC_COMPANY, v->owner);

   425

   426

	if(IS_TILETYPE(v->tile, MP_STATION))

   427

		ClearCrashedStation(v);

   428

   429

	BeginVehicleMove(v);

   430

	EndVehicleMove(v);

   431

   432

	DeleteVehicle(v);

   433

}

   434

   435

static byte SetRoadVehPosition(Vehicle *v, int x, int y)

   436

{

   437

	byte new_z, old_z;

   438

   439

	// need this hint so it returns the right z coordinate on bridges.

   440

	_get_z_hint = v->z_pos;

   441

	new_z = GetSlopeZ(v->x_pos=x, v->y_pos=y);

   442

	_get_z_hint = 0;

   443

   444

	old_z = v->z_pos;

   445

	v->z_pos = new_z;

   446

   447

	VehiclePositionChanged(v);

   448

	EndVehicleMove(v);

   449

	return old_z;

   450

}

   451

   452

static void RoadVehSetRandomDirection(Vehicle *v)

   453

{

   454

	static const int8 _turn_prob[4] = { -1, 0, 0, 1 };

   455

	uint32 r = Random();

   456

	v->direction = (v->direction+_turn_prob[r&3])&7;

   457

	BeginVehicleMove(v);

   458

	UpdateRoadVehDeltaXY(v);

   459

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

   460

	SetRoadVehPosition(v, v->x_pos, v->y_pos);

   461

}

   462

   463

static void RoadVehIsCrashed(Vehicle *v)

   464

{

   465

	v->u.road.crashed_ctr++;

   466

	if (v->u.road.crashed_ctr == 2) {

   467

		CreateEffectVehicleRel(v,4,4,8,EV_CRASHED_SMOKE);

   468

	} else if (v->u.road.crashed_ctr <= 45) {

   469

		if ((v->tick_counter&7)==0)

   470

			RoadVehSetRandomDirection(v);

   471

	} else if (v->u.road.crashed_ctr >= 2220) {

   472

		RoadVehDelete(v);

   473

	}

   474

}

   475

   476

static void *EnumCheckRoadVehCrashTrain(Vehicle *v, Vehicle *u)

   477

{

   478

	if (v->type != VEH_Train ||

   479

			myabs(v->z_pos - u->z_pos) > 6 ||

   480

			myabs(v->x_pos - u->x_pos) > 4 ||

   481

			myabs(v->y_pos - u->y_pos) > 4)

   482

				return NULL;

   483

	return v;

   484

}

   485

   486

static void RoadVehCrash(Vehicle *v)

   487

{

   488

	uint16 pass;

   489

   490

	v->u.road.crashed_ctr++;

   491

	v->vehstatus |= VS_CRASHED;

   492

   493

	InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, 4);

   494

   495

	pass = 1;

   496

	if (v->cargo_type == 0)

   497

		pass += v->cargo_count;

   498

	v->cargo_count = 0;

   499

	SetDParam(0, pass);

   500

   501

	AddNewsItem(STR_9031_ROAD_VEHICLE_CRASH_DRIVER+(pass!=1),

   502

		NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),

   503

		v->index,

   504

		0);

   505

   506

	ModifyStationRatingAround(v->tile, v->owner, -160, 22);

   507

	SndPlayVehicleFx(SND_12_EXPLOSION, v);

   508

}

   509

   510

static void RoadVehCheckTrainCrash(Vehicle *v)

   511

{

   512

	uint tile;

   513

   514

	if (v->u.road.state == 255)

   515

		return;

   516

   517

	tile = v->tile;

   518

   519

	// Make sure it's a road/rail crossing

   520

	if (!IS_TILETYPE(tile, MP_STREET) ||