1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "vehicle.h"

     4

#include "engine.h"

     5

#include "command.h"

     6

#include "station.h"

     7

#include "news.h"

     8

#include "gfx.h"

     9

#include "pathfind.h"

    10

#include "player.h"

    11

#include "sound.h"

    12

    13

void ShowRoadVehViewWindow(Vehicle *v);

    14

    15

static const uint16 _roadveh_images[63] = {

    16

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

    17

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

    18

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

    19

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

    20

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

    21

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

    22

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

    23

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

    24

};

    25

    26

static const uint16 _roadveh_full_adder[63] = {

    27

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

    28

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

    29

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

    30

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

    31

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

    32

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

    33

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

    34

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

    35

};

    36

    37

    38

static const uint16 _road_veh_fp_ax_or[4] = {

    39

	0x100,0x200,1,2,

    40

};

    41

    42

static const uint16 _road_veh_fp_ax_and[4] = {

    43

	0x1009, 0x16, 0x520, 0x2A00

    44

};

    45

    46

static const byte _road_reverse_table[4] = {

    47

	6, 7, 14, 15

    48

};

    49

    50

static const uint16 _road_pf_table_3[4] = {

    51

	0x910, 0x1600, 0x2005, 0x2A

    52

};

    53

    54

int GetRoadVehImage(Vehicle *v, byte direction)

    55

{

    56

	int img = v->spritenum;

    57

	int image;

    58

    59

	if (is_custom_sprite(img)) {

    60

		image = GetCustomVehicleSprite(v, direction);

    61

		if (image) return image;

    62

		img = _engine_original_sprites[v->engine_type];

    63

	}

    64

    65

	image = direction + _roadveh_images[img];

    66

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

    67

		image += _roadveh_full_adder[img];

    68

	return image;

    69

}

    70

    71

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

    72

{

    73

	int spritenum = road_vehicle_info(engine)->image_index;

    74

    75

	if (is_custom_sprite(spritenum)) {

    76

		int sprite = GetCustomVehicleIcon(engine, 6);

    77

    78

		if (sprite) {

    79

			DrawSprite(sprite | image_ormod, x, y);

    80

			return;

    81

		}

    82

		spritenum = _engine_original_sprites[engine];

    83

	}

    84

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

    85

}

    86

    87

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

    88

{

    89

	SET_DPARAM32(0, ((_price.roadveh_base >> 3) * road_vehicle_info(engine)->base_cost) >> 5);

    90

	SET_DPARAM16(1, road_vehicle_info(engine)->max_speed * 10 >> 5);

    91

	SET_DPARAM32(2, road_vehicle_info(engine)->running_cost * _price.roadveh_running >> 8);

    92

    93

	SET_DPARAM16(4, road_vehicle_info(engine)->capacity);

    94

	SET_DPARAM16(3, _cargoc.names_long_p[road_vehicle_info(engine)->cargo_type]);

    95

    96

	DrawStringMultiCenter(x, y, STR_902A_COST_SPEED_RUNNING_COST, maxw);

    97

}

    98

    99

static int32 EstimateRoadVehCost(byte engine_type)

   100

{

   101

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

   102

}

   103

   104

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

   105

{

   106

	int32 cost;

   107

	Vehicle *v;

   108

	byte unit_num;

   109

	uint tile = TILE_FROM_XY(x,y);

   110

	Engine *e;

   111

   112

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   113

   114

	cost = EstimateRoadVehCost(p1);

   115

	if (flags & DC_QUERY_COST)

   116

		return cost;

   117

   118

	v = AllocateVehicle();

   119

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

   120

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   121

   122

	/* find the first free roadveh id */

   123

	unit_num = GetFreeUnitNumber(VEH_Road);

   124

	if (unit_num > _patches.max_roadveh)

   125

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   126

   127

	if (flags & DC_EXEC) {

   128

		v->unitnumber = unit_num;

   129

		v->direction = 0;

   130

		v->owner = _current_player;

   131

   132

		v->tile = tile;

   133

		x = GET_TILE_X(tile)*16 + 8;

   134

		y = GET_TILE_Y(tile)*16 + 8;

   135

		v->x_pos = x;

   136

		v->y_pos = y;

   137

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

   138

		v->z_height = 6;

   139

   140

		v->u.road.state = 254;

   141

		v->vehstatus = VS_HIDDEN|VS_STOPPED|VS_DEFPAL;

   142

   143

		v->spritenum = road_vehicle_info(p1)->image_index;

   144

		v->cargo_type = road_vehicle_info(p1)->cargo_type;

   145

		v->cargo_cap = road_vehicle_info(p1)->capacity;

   146

//		v->cargo_count = 0;

   147

		v->value = cost;

   148

//		v->day_counter = 0;

   149

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

   150

//		v->load_unload_time_rem = 0;

   151

//		v->progress = 0;

   152

   153

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

   154

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

   155

   156

		v->last_station_visited = 0xFF;

   157

		v->max_speed = road_vehicle_info(p1)->max_speed;

   158

		v->engine_type = (byte)p1;

   159

   160

		e = &_engines[p1];

   161

		v->reliability = e->reliability;

   162

		v->reliability_spd_dec = e->reliability_spd_dec;

   163

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

   164

		_new_roadveh_id = v->index;

   165

   166

		v->string_id = STR_SV_ROADVEH_NAME;

   167

		*(v->schedule_ptr = _ptr_to_next_order++) = 0;

   168

   169

		v->service_interval = _patches.servint_roadveh;

   170

   171

		v->date_of_last_service = _date;

   172

		v->build_year = _cur_year;

   173

   174

		v->type = VEH_Road;

   175

		v->cur_image = 0xC15;

   176

   177

		VehiclePositionChanged(v);

   178

   179

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   180

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

   181

		InvalidateWindow(WC_ROADVEH_LIST, v->owner);

   182

		InvalidateWindow(WC_COMPANY, v->owner);

   183

	}

   184

   185

	return cost;

   186

}

   187

   188

// p1 = vehicle

   189

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

   190

{

   191

	Vehicle *v;

   192

   193

	v = &_vehicles[p1];

   194

   195

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

   196

		return CMD_ERROR;

   197

   198

	if (flags & DC_EXEC) {

   199

		v->vehstatus ^= VS_STOPPED;

   200

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

   201

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   202

	}

   203

   204

	return 0;

   205

}

   206

   207

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

   208

{

   209

	Vehicle *v;

   210

   211

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   212

   213

	v = &_vehicles[p1];

   214

   215

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

   216

		return CMD_ERROR;

   217

   218

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

   219

		return_cmd_error(STR_9013_MUST_BE_STOPPED_INSIDE);

   220

   221

	if (flags & DC_EXEC) {

   222

		// Invalidate depot

   223

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   224

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

   225

		InvalidateWindow(WC_ROADVEH_LIST, v->owner);

   226

		InvalidateWindow(WC_COMPANY, v->owner);

   227

		DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   228

		DeleteVehicle(v);

   229

	}

   230

   231

	return -(int32)v->value;

   232

}

   233

   234

typedef struct RoadFindDepotData {

   235

	uint best_length;

   236

	uint tile;

   237

	byte owner;

   238

} RoadFindDepotData;

   239

   240

   241

static const TileIndexDiff _road_find_sig_dir_mod[4] = {

   242

	TILE_XY(-1,0),

   243

	TILE_XY(0,1),

   244

	TILE_XY(1,0),

   245

	TILE_XY(0,-1),

   246

};

   247

   248

static const byte _road_pf_directions[16] = {

   249

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

   250

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

   251

};

   252

   253

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

   254

{

   255

	tile += _road_find_sig_dir_mod[_road_pf_directions[track]];

   256

   257

	if (IS_TILETYPE(tile, MP_STREET) &&

   258

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

   259

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

   260

   261

		if (length < rfdd->best_length) {

   262

			rfdd->best_length = length;

   263

			rfdd->tile = tile;

   264

		}

   265

	}

   266

	return false;

   267

}

   268

   269

static int FindClosestRoadDepot(Vehicle *v)

   270

{

   271

	uint tile = v->tile;

   272

	int i;

   273

	RoadFindDepotData rfdd;

   274

   275

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

   276

   277

	rfdd.owner = v->owner;

   278

	rfdd.best_length = (uint)-1;

   279

   280

	/* search in all directions */

   281

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

   282

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

   283

   284

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

   285

		return -1;

   286

   287

	return GetDepotByTile(rfdd.tile);

   288

}

   289

   290

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

   291

{

   292

	Vehicle *v = &_vehicles[p1];

   293

	int depot;

   294

   295

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

   296

		return CMD_ERROR;

   297

   298

	if ((v->next_order & OT_MASK) == OT_GOTO_DEPOT) {

   299

		if (flags & DC_EXEC) {

   300

			if (v->next_order & OF_UNLOAD)

   301

				v->cur_order_index++;

   302

			v->next_order = OT_DUMMY;

   303

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

   304

		}

   305

		return 0;

   306

	}

   307

   308

	depot = FindClosestRoadDepot(v);

   309

	if (depot < 0)

   310

		return_cmd_error(STR_9019_UNABLE_TO_FIND_LOCAL_DEPOT);

   311

   312

	if (flags & DC_EXEC) {

   313

		v->next_order = OF_NON_STOP | OF_FULL_LOAD | OT_GOTO_DEPOT;

   314

		v->next_order_param = (byte)depot;

   315

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

   316

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

   317

	}

   318

   319

	return 0;

   320

}

   321

   322

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

   323

{

   324

	Vehicle *v;

   325

   326

	v = &_vehicles[p1];

   327

   328

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

   329

		return CMD_ERROR;

   330

   331

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

   332

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

   333

			v->breakdown_ctr != 0 ||

   334

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

   335

			v->cur_speed < 5) {

   336

		_error_message = STR_EMPTY;

   337

		return CMD_ERROR;

   338

	}

   339

   340

	if (flags & DC_EXEC) {

   341

		v->u.road.reverse_ctr = 180;

   342

	}

   343

   344

	return 0;

   345

}

   346

   347

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

   348

{

   349

	Vehicle *v;

   350

   351

	v = &_vehicles[p1];

   352

   353

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

   354

		return CMD_ERROR;

   355

   356

	if (flags & DC_EXEC) {

   357

		v->service_interval = (uint16)p2;

   358

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

   359

	}

   360

   361

	return 0;

   362

}

   363

   364

   365

static void MarkRoadVehDirty(Vehicle *v)

   366

{

   367

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

   368

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

   369

}

   370

   371

static void UpdateRoadVehDeltaXY(Vehicle *v)

   372

{

   373

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

   374

	static const uint32 _delta_xy_table[8] = {

   375

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

   376

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

   377

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

   378

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

   379

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

   380

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

   381

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

   382

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

   383

	};

   384

#undef MKIT

   385

	uint32 x = _delta_xy_table[v->direction];

   386

	v->x_offs = (byte)x;

   387

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

   388

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

   389

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

   390

}

   391

   392

static void ClearCrashedStation(Vehicle *v)

   393

{

   394

	uint tile = v->tile;

   395

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

   396

	byte *b, bb;

   397

   398

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

   399

   400

	bb = *b;

   401

   402

	// mark station as not busy

   403

	bb &= ~0x80;

   404

   405

	// free parking bay

   406

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

   407

   408

	*b = bb;

   409

}

   410

   411

static void RoadVehDelete(Vehicle *v)

   412

{

   413

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   414

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   415

   416

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

   417

	InvalidateWindow(WC_ROADVEH_LIST, v->owner);

   418

	InvalidateWindow(WC_COMPANY, v->owner);

   419

   420

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

   421

		ClearCrashedStation(v);

   422

   423

	BeginVehicleMove(v);

   424

	EndVehicleMove(v);

   425

   426

	DeleteVehicle(v);

   427

}

   428

   429

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

   430

{

   431

	byte new_z, old_z;

   432

   433

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

   434

	_get_z_hint = v->z_pos;

   435

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

   436

	_get_z_hint = 0;

   437

   438

	old_z = v->z_pos;

   439

	v->z_pos = new_z;

   440

   441

	VehiclePositionChanged(v);

   442

	EndVehicleMove(v);

   443

	return old_z;

   444

}

   445

   446

static void RoadVehSetRandomDirection(Vehicle *v)

   447

{

   448

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

   449

	uint32 r = Random();

   450

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

   451

	BeginVehicleMove(v);

   452

	UpdateRoadVehDeltaXY(v);

   453

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

   454

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

   455

}

   456

   457

static void RoadVehIsCrashed(Vehicle *v)

   458

{

   459

	v->u.road.crashed_ctr++;

   460

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

   461

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

   462

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

   463

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

   464

			RoadVehSetRandomDirection(v);

   465

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

   466

		RoadVehDelete(v);

   467

	}

   468

}

   469

   470

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

   471

{

   472

	if (v->type != VEH_Train ||

   473

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

   474

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

   475

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

   476

				return NULL;

   477

	return v;

   478

}

   479

   480

static void RoadVehCrash(Vehicle *v)

   481

{

   482

	uint16 pass;

   483

   484

	v->u.road.crashed_ctr++;

   485

	v->vehstatus |= VS_CRASHED;

   486

   487

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

   488

   489

	pass = 1;

   490

	if (v->cargo_type == 0)

   491

		pass += v->cargo_count;

   492

	v->cargo_count = 0;

   493

	SET_DPARAM16(0, pass);

   494

   495

	AddNewsItem(STR_9031_ROAD_VEHICLE_CRASH_DRIVER+(pass!=1),

   496

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

   497

		v->index,

   498

		0);

   499

   500

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

   501

	SndPlayVehicleFx(16, v);

   502

}

   503

   504

static void RoadVehCheckTrainCrash(Vehicle *v)

   505

{

   506

	uint tile;

   507

   508

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

   509

		return;

   510

   511

	tile = v->tile;

   512

   513

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

   514

	if (!IS_TILETYPE(tile, MP_STREET) ||

   515

	    (_map5[tile] & 0xF0) != 0x10)

   516

				return;

   517

   518

	if (VehicleFromPos(tile, v, (VehicleFromPosProc*)EnumCheckRoadVehCrashTrain) != NULL)

   519

		RoadVehCrash(v);

   520

}

   521

   522

static void HandleBrokenRoadVeh(Vehicle *v)

   523

{