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

		_vehicle_sort_dirty[VEHROAD] = true; // build a new bus/truck

   188

		InvalidateWindow(WC_ROADVEH_LIST, v->owner);

   189

		InvalidateWindow(WC_COMPANY, v->owner);

   190

	}

   191

   192

	return cost;

   193

}

   194

   195

// p1 = vehicle

   196

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

   197

{

   198

	Vehicle *v;

   199

   200

	v = &_vehicles[p1];

   201

   202

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

   203

		return CMD_ERROR;

   204

   205

	if (flags & DC_EXEC) {

   206

		v->vehstatus ^= VS_STOPPED;

   207

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

   208

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   209

	}

   210

   211

	return 0;

   212

}

   213

   214

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

   215

{

   216

	Vehicle *v;

   217

   218

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   219

   220

	v = &_vehicles[p1];

   221

   222

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

   223

		return CMD_ERROR;

   224

   225

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

   226

		return_cmd_error(STR_9013_MUST_BE_STOPPED_INSIDE);

   227

   228

	if (flags & DC_EXEC) {

   229

		// Invalidate depot

   230

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   231

		_vehicle_sort_dirty[VEHROAD] = true; // sell a bus/truck

   232

		InvalidateWindow(WC_ROADVEH_LIST, v->owner);

   233

		InvalidateWindow(WC_COMPANY, v->owner);

   234

		DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   235

		DeleteVehicle(v);

   236

	}

   237

   238

	return -(int32)v->value;

   239

}

   240

   241

typedef struct RoadFindDepotData {

   242

	uint best_length;

   243

	uint tile;

   244

	byte owner;

   245

} RoadFindDepotData;

   246

   247

   248

static const TileIndexDiff _road_find_sig_dir_mod[4] = {

   249

	TILE_XY(-1,0),

   250

	TILE_XY(0,1),

   251

	TILE_XY(1,0),

   252

	TILE_XY(0,-1),

   253

};

   254

   255

static const byte _road_pf_directions[16] = {

   256

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

   257

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

   258

};

   259

   260

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

   261

{

   262

	tile += _road_find_sig_dir_mod[_road_pf_directions[track]];

   263

   264

	if (IS_TILETYPE(tile, MP_STREET) &&

   265

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

   266

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

   267

   268

		if (length < rfdd->best_length) {

   269

			rfdd->best_length = length;

   270

			rfdd->tile = tile;

   271

		}

   272

	}

   273

	return false;

   274

}

   275

   276

static int FindClosestRoadDepot(Vehicle *v)

   277

{

   278

	uint tile = v->tile;

   279

	int i;

   280

	RoadFindDepotData rfdd;

   281

   282

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

   283

   284

	rfdd.owner = v->owner;

   285

	rfdd.best_length = (uint)-1;

   286

   287

	/* search in all directions */

   288

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

   289

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

   290

   291

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

   292

		return -1;

   293

   294

	return GetDepotByTile(rfdd.tile);

   295

}

   296

   297

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

   298

{

   299

	Vehicle *v = &_vehicles[p1];

   300

	int depot;

   301

   302

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

   303

		return CMD_ERROR;

   304

   305

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

   306

		if (flags & DC_EXEC) {

   307

			if (v->current_order.flags & OF_UNLOAD)

   308

				v->cur_order_index++;

   309

			v->current_order.type = OT_DUMMY;

   310

			v->current_order.flags = 0;

   311

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

   312

		}

   313

		return 0;

   314

	}

   315

   316

	depot = FindClosestRoadDepot(v);

   317

	if (depot < 0)

   318

		return_cmd_error(STR_9019_UNABLE_TO_FIND_LOCAL_DEPOT);

   319

   320

	if (flags & DC_EXEC) {

   321

		v->current_order.type = OT_GOTO_DEPOT;

   322

		v->current_order.flags = OF_NON_STOP | OF_FULL_LOAD;

   323

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

   324

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

   325

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

   326

	}

   327

   328

	return 0;

   329

}

   330

   331

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

   332

{

   333

	Vehicle *v;

   334

   335

	v = &_vehicles[p1];

   336

   337

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

   338

		return CMD_ERROR;

   339

   340

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

   341

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

   342

			v->breakdown_ctr != 0 ||

   343

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

   344

			v->cur_speed < 5) {

   345

		_error_message = STR_EMPTY;

   346

		return CMD_ERROR;

   347

	}

   348

   349

	if (flags & DC_EXEC) {

   350

		v->u.road.reverse_ctr = 180;

   351

	}

   352

   353

	return 0;

   354

}

   355

   356

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

   357

{

   358

	Vehicle *v;

   359

   360

	v = &_vehicles[p1];

   361

   362

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

   363

		return CMD_ERROR;

   364

   365

	if (flags & DC_EXEC) {

   366

		v->service_interval = (uint16)p2;

   367

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

   368

	}

   369

   370

	return 0;

   371

}

   372

   373

   374

static void MarkRoadVehDirty(Vehicle *v)

   375

{

   376

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

   377

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

   378

}

   379

   380

static void UpdateRoadVehDeltaXY(Vehicle *v)

   381

{

   382

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

   383

	static const uint32 _delta_xy_table[8] = {

   384

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

   385

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

   386

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

   387

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

   388

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

   389

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

   390

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

   391

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

   392

	};

   393

#undef MKIT

   394

	uint32 x = _delta_xy_table[v->direction];

   395

	v->x_offs = (byte)x;

   396

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

   397

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

   398

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

   399

}

   400

   401

static void ClearCrashedStation(Vehicle *v)

   402

{

   403

	uint tile = v->tile;

   404

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

   405

	byte *b, bb;

   406

   407

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

   408

   409

	bb = *b;

   410

   411

	// mark station as not busy

   412

	bb &= ~0x80;

   413

   414

	// free parking bay

   415

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

   416

   417

	*b = bb;

   418

}

   419

   420

static void RoadVehDelete(Vehicle *v)

   421

{

   422

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   423

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   424

   425

	_vehicle_sort_dirty[VEHROAD] = true; // delete bus/truck (eg. crash for example)

   426

	InvalidateWindow(WC_ROADVEH_LIST, v->owner);

   427

	InvalidateWindow(WC_COMPANY, v->owner);

   428

   429

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

   430

		ClearCrashedStation(v);

   431

   432

	BeginVehicleMove(v);

   433

	EndVehicleMove(v);

   434

   435

	DeleteVehicle(v);

   436

}

   437

   438

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

   439

{

   440

	byte new_z, old_z;

   441

   442

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

   443

	_get_z_hint = v->z_pos;

   444

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

   445

	_get_z_hint = 0;

   446

   447

	old_z = v->z_pos;

   448

	v->z_pos = new_z;

   449

   450

	VehiclePositionChanged(v);

   451

	EndVehicleMove(v);

   452

	return old_z;

   453

}

   454

   455

static void RoadVehSetRandomDirection(Vehicle *v)

   456

{

   457

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

   458

	uint32 r = Random();

   459

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

   460

	BeginVehicleMove(v);

   461

	UpdateRoadVehDeltaXY(v);

   462

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

   463

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

   464

}

   465

   466

static void RoadVehIsCrashed(Vehicle *v)

   467

{

   468

	v->u.road.crashed_ctr++;

   469

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

   470

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

   471

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

   472

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

   473

			RoadVehSetRandomDirection(v);

   474

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

   475

		RoadVehDelete(v);

   476

	}

   477

}

   478

   479

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

   480

{

   481

	if (v->type != VEH_Train ||

   482

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

   483

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

   484

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

   485

				return NULL;

   486

	return v;

   487

}

   488

   489

static void RoadVehCrash(Vehicle *v)

   490

{

   491

	uint16 pass;

   492

   493

	v->u.road.crashed_ctr++;

   494

	v->vehstatus |= VS_CRASHED;

   495

   496

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

   497

   498

	pass = 1;

   499

	if (v->cargo_type == 0)

   500

		pass += v->cargo_count;

   501

	v->cargo_count = 0;

   502

	SetDParam(0, pass);

   503

   504

	AddNewsItem(STR_9031_ROAD_VEHICLE_CRASH_DRIVER+(pass!=1),

   505

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

   506

		v->index,

   507

		0);

   508

   509

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

   510

	SndPlayVehicleFx(SND_12_EXPLOSION, v);

   511

}

   512

   513

static void RoadVehCheckTrainCrash(Vehicle *v)

   514

{

   515

	uint tile;

   516

   517

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

   518

		return;

   519

   520

	tile = v->tile;