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 = road_vehicle_info(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

{

    93

    96

    97

	DrawStringMultiCenter(x, y, STR_902A_COST_SPEED_RUNNING_COST, maxw);

    98

}

    99

   100

static int32 EstimateRoadVehCost(byte engine_type)

   101

{

   102

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

   103

}

   104

   105

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

   106

{

   107

	int32 cost;

   108

	Vehicle *v;

   109

	byte unit_num;

   110

	uint tile = TILE_FROM_XY(x,y);

   111

	Engine *e;

   112

   113

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   114

   115

	cost = EstimateRoadVehCost(p1);

   116

	if (flags & DC_QUERY_COST)

   117

		return cost;

   118

   119

	v = AllocateVehicle();

   120

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

   121

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   122

   123

	/* find the first free roadveh id */

   124

	unit_num = GetFreeUnitNumber(VEH_Road);

   125

	if (unit_num > _patches.max_roadveh)

   126

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   127

   128

	if (flags & DC_EXEC) {

   129

		v->unitnumber = unit_num;

   130

		v->direction = 0;

   131

		v->owner = _current_player;

   132

   133

		v->tile = tile;

   134

		x = GET_TILE_X(tile)*16 + 8;

   135

		y = GET_TILE_Y(tile)*16 + 8;

   136

		v->x_pos = x;

   137

		v->y_pos = y;

   138

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

   139

		v->z_height = 6;

   140

   141

		v->u.road.state = 254;

   142

		v->vehstatus = VS_HIDDEN|VS_STOPPED|VS_DEFPAL;

   143

   144

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

   145

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

   146

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

   147

//		v->cargo_count = 0;

   148

		v->value = cost;

   149

//		v->day_counter = 0;

   150

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

   151

//		v->load_unload_time_rem = 0;

   152

//		v->progress = 0;

   153

   154

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

   155

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

   156

   157

		v->last_station_visited = 0xFF;

   158

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

   159

		v->engine_type = (byte)p1;

   160

   161

		e = &_engines[p1];

   162

		v->reliability = e->reliability;

   163

		v->reliability_spd_dec = e->reliability_spd_dec;

   164

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

   165

		_new_roadveh_id = v->index;

   166

   167

		v->string_id = STR_SV_ROADVEH_NAME;

   168

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

   169

   170

		v->service_interval = _patches.servint_roadveh;

   171

   172

		v->date_of_last_service = _date;

   173

		v->build_year = _cur_year;

   174

   175

		v->type = VEH_Road;

   176

		v->cur_image = 0xC15;

   177

   178

		VehiclePositionChanged(v);

   179

   180

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   181

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

   182

		InvalidateWindow(WC_ROADVEH_LIST, v->owner);

   183

		InvalidateWindow(WC_COMPANY, v->owner);

   184

	}

   185

   186

	return cost;

   187

}

   188

   189

// p1 = vehicle

   190

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

   191

{

   192

	Vehicle *v;

   193

   194

	v = &_vehicles[p1];

   195

   196

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

   197

		return CMD_ERROR;

   198

   199

	if (flags & DC_EXEC) {

   200

		v->vehstatus ^= VS_STOPPED;

   201

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

   202

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   203

	}

   204

   205

	return 0;

   206

}

   207

   208

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

   209

{

   210

	Vehicle *v;

   211

   212

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   213

   214

	v = &_vehicles[p1];

   215

   216

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

   217

		return CMD_ERROR;

   218

   219

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

   220

		return_cmd_error(STR_9013_MUST_BE_STOPPED_INSIDE);

   221

   222

	if (flags & DC_EXEC) {

   223

		// Invalidate depot

   224

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   225

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

   226

		InvalidateWindow(WC_ROADVEH_LIST, v->owner);

   227

		InvalidateWindow(WC_COMPANY, v->owner);

   228

		DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   229

		DeleteVehicle(v);

   230

	}

   231

   232

	return -(int32)v->value;

   233

}

   234

   235

typedef struct RoadFindDepotData {

   236

	uint best_length;

   237

	uint tile;

   238

	byte owner;

   239

} RoadFindDepotData;

   240

   241

   242

static const TileIndexDiff _road_find_sig_dir_mod[4] = {

   243

	TILE_XY(-1,0),

   244

	TILE_XY(0,1),

   245

	TILE_XY(1,0),

   246

	TILE_XY(0,-1),

   247

};

   248

   249

static const byte _road_pf_directions[16] = {

   250

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

   251

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

   252

};

   253

   254

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

   255

{

   256

	tile += _road_find_sig_dir_mod[_road_pf_directions[track]];

   257

   258

	if (IS_TILETYPE(tile, MP_STREET) &&

   259

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

   260

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

   261

   262

		if (length < rfdd->best_length) {

   263

			rfdd->best_length = length;

   264

			rfdd->tile = tile;

   265

		}

   266

	}

   267

	return false;

   268

}

   269

   270

static int FindClosestRoadDepot(Vehicle *v)

   271

{

   272

	uint tile = v->tile;

   273

	int i;

   274

	RoadFindDepotData rfdd;

   275

   276

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

   277

   278

	rfdd.owner = v->owner;

   279

	rfdd.best_length = (uint)-1;

   280

   281

	/* search in all directions */

   282

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

   283

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

   284

   285

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

   286

		return -1;

   287

   288

	return GetDepotByTile(rfdd.tile);

   289

}

   290

   291

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

   292

{

   293

	Vehicle *v = &_vehicles[p1];

   294

	int depot;

   295

   296

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

   297

		return CMD_ERROR;

   298

   299

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

   300

		if (flags & DC_EXEC) {

   301

			if (v->next_order & OF_UNLOAD)

   302

				v->cur_order_index++;

   303

			v->next_order = OT_DUMMY;

   304

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

   305

		}

   306

		return 0;

   307

	}

   308

   309

	depot = FindClosestRoadDepot(v);

   310

	if (depot < 0)

   311

		return_cmd_error(STR_9019_UNABLE_TO_FIND_LOCAL_DEPOT);

   312

   313

	if (flags & DC_EXEC) {

   314

		v->next_order = OF_NON_STOP | OF_FULL_LOAD | OT_GOTO_DEPOT;

   315

		v->next_order_param = (byte)depot;

   316

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

   317

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

   318

	}

   319

   320

	return 0;

   321

}

   322

   323

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

   324

{

   325

	Vehicle *v;

   326

   327

	v = &_vehicles[p1];

   328

   329

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

   330

		return CMD_ERROR;

   331

   332

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

   333

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

   334

			v->breakdown_ctr != 0 ||

   335

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

   336

			v->cur_speed < 5) {

   337

		_error_message = STR_EMPTY;

   338

		return CMD_ERROR;

   339

	}

   340

   341

	if (flags & DC_EXEC) {

   342

		v->u.road.reverse_ctr = 180;

   343

	}

   344

   345

	return 0;

   346

}

   347

   348

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

   349

{

   350

	Vehicle *v;

   351

   352

	v = &_vehicles[p1];

   353

   354

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

   355

		return CMD_ERROR;

   356

   357

	if (flags & DC_EXEC) {

   358

		v->service_interval = (uint16)p2;

   359

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

   360

	}

   361

   362

	return 0;

   363

}

   364

   365

   366

static void MarkRoadVehDirty(Vehicle *v)

   367

{

   368

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

   369

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

   370

}

   371

   372

static void UpdateRoadVehDeltaXY(Vehicle *v)

   373

{

   374

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

   375

	static const uint32 _delta_xy_table[8] = {

   376

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

   377

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

   378

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

   379

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

   380

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

   381

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

   382

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

   383

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

   384

	};

   385

#undef MKIT

   386

	uint32 x = _delta_xy_table[v->direction];

   387

	v->x_offs = (byte)x;

   388

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

   389

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

   390

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

   391

}

   392

   393

static void ClearCrashedStation(Vehicle *v)

   394

{

   395

	uint tile = v->tile;

   396

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

   397

	byte *b, bb;

   398

   399

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

   400

   401

	bb = *b;

   402

   403

	// mark station as not busy

   404

	bb &= ~0x80;

   405

   406

	// free parking bay

   407

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

   408

   409

	*b = bb;

   410

}

   411

   412

static void RoadVehDelete(Vehicle *v)

   413

{

   414

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   415

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   416

   417

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

   418

	InvalidateWindow(WC_ROADVEH_LIST, v->owner);

   419

	InvalidateWindow(WC_COMPANY, v->owner);

   420

   421

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

   422

		ClearCrashedStation(v);

   423

   424

	BeginVehicleMove(v);

   425

	EndVehicleMove(v);

   426

   427

	DeleteVehicle(v);

   428

}

   429

   430

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

   431

{

   432

	byte new_z, old_z;

   433

   434

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

   435

	_get_z_hint = v->z_pos;

   436

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

   437

	_get_z_hint = 0;

   438

   439

	old_z = v->z_pos;

   440

	v->z_pos = new_z;

   441

   442

	VehiclePositionChanged(v);

   443

	EndVehicleMove(v);

   444

	return old_z;

   445

}

   446

   447

static void RoadVehSetRandomDirection(Vehicle *v)

   448

{

   449

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

   450

	uint32 r = Random();

   451

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

   452

	BeginVehicleMove(v);

   453

	UpdateRoadVehDeltaXY(v);

   454

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

   455

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

   456

}

   457

   458

static void RoadVehIsCrashed(Vehicle *v)

   459

{

   460

	v->u.road.crashed_ctr++;

   461

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

   462

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

   463

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

   464

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

   465

			RoadVehSetRandomDirection(v);

   466

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

   467

		RoadVehDelete(v);

   468

	}

   469

}

   470

   471

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

   472

{

   473

	if (v->type != VEH_Train ||

   474

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

   475

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

   476

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

   477

				return NULL;

   478

	return v;

   479

}

   480

   481

static void RoadVehCrash(Vehicle *v)

   482

{

   483

	uint16 pass;

   484

   485

	v->u.road.crashed_ctr++;

   486

	v->vehstatus |= VS_CRASHED;

   487

   488

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

   489

   490

	pass = 1;

   491

	if (v->cargo_type == 0)

   492

		pass += v->cargo_count;

   493

	v->cargo_count = 0;

   495

   496

	AddNewsItem(STR_9031_ROAD_VEHICLE_CRASH_DRIVER+(pass!=1),

   497

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

   498

		v->index,

   499

		0);

   500

   501

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

   502

	SndPlayVehicleFx(16, v);

   503

}

   504

   505

static void RoadVehCheckTrainCrash(Vehicle *v)

   506

{

   507

	uint tile;

   508

   509

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

   510

		return;

   511

   512

	tile = v->tile;

   513

   514

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

   515

	if (!IS_TILETYPE(tile, MP_STREET) ||

   516

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

   517

				return;

   518

   519

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

   520

		RoadVehCrash(v);

   521

}

   522