1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "debug.h"

     6

#include "functions.h"

     7

#include "table/strings.h"

     8

#include "map.h"

     9

#include "tile.h"

    10

#include "vehicle.h"

    11

#include "engine.h"

    12

#include "command.h"

    13

#include "station.h"

    14

#include "news.h"

    15

#include "pathfind.h"

    16

#include "npf.h"

    17

#include "player.h"

    18

#include "sound.h"

    19

#include "depot.h"

    20

#include "vehicle_gui.h"

    21

#include "newgrf_engine.h"

    22

    23

static const uint16 _roadveh_images[63] = {

    24

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

    25

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

    26

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

    27

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

    28

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

    29

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

    30

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

    31

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

    32

};

    33

    34

static const uint16 _roadveh_full_adder[63] = {

    35

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

    36

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

    37

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

    38

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

    39

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

    40

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

    41

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

    42

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

    43

};

    44

    45

    46

static const uint16 _road_veh_fp_ax_or[4] = {

    47

	0x100,0x200,1,2,

    48

};

    49

    50

static const uint16 _road_veh_fp_ax_and[4] = {

    51

	0x1009, 0x16, 0x520, 0x2A00

    52

};

    53

    54

static const byte _road_reverse_table[4] = {

    55

	6, 7, 14, 15

    56

};

    57

    58

static const uint16 _road_pf_table_3[4] = {

    59

	0x910, 0x1600, 0x2005, 0x2A

    60

};

    61

    62

int GetRoadVehImage(const Vehicle *v, byte direction)

    63

{

    64

	int img = v->spritenum;

    65

	int image;

    66

    67

	if (is_custom_sprite(img)) {

    68

		image = GetCustomVehicleSprite(v, direction);

    69

		if (image != 0) return image;

    70

		img = orig_road_vehicle_info[v->engine_type - ROAD_ENGINES_INDEX].image_index;

    71

	}

    72

    73

	image = direction + _roadveh_images[img];

    74

	if (v->cargo_count >= v->cargo_cap / 2) image += _roadveh_full_adder[img];

    75

	return image;

    76

}

    77

    78

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

    79

{

    80

	int spritenum = RoadVehInfo(engine)->image_index;

    81

    82

	if (is_custom_sprite(spritenum)) {

    83

		int sprite = GetCustomVehicleIcon(engine, 6);

    84

    85

		if (sprite) {

    86

			DrawSprite(sprite | image_ormod, x, y);

    87

			return;

    88

		}

    89

		spritenum = orig_road_vehicle_info[engine - ROAD_ENGINES_INDEX].image_index;

    90

	}

    91

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

    92

}

    93

    94

static int32 EstimateRoadVehCost(EngineID engine_type)

    95

{

    96

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

    97

}

    98

    99

/** Build a road vehicle.

   100

 * @param x,y tile coordinates of depot where road vehicle is built

   101

 * @param p1 bus/truck type being built (engine)

   102

 * @param p2 unused

   103

 */

   104

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

   105

{

   106

	int32 cost;

   107

	Vehicle *v;

   108

	UnitID unit_num;

   109

	TileIndex tile = TileVirtXY(x, y);

   110

	Engine *e;

   111

   112

	if (!IsEngineBuildable(p1, VEH_Road)) return_cmd_error(STR_ENGINE_NOT_BUILDABLE);

   113

   114

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   115

   116

	cost = EstimateRoadVehCost(p1);

   117

	if (flags & DC_QUERY_COST) return cost;

   118

   119

	/* The ai_new queries the vehicle cost before building the route,

   120

	 * so we must check against cheaters no sooner than now. --pasky */

   121

	if (!IsTileDepotType(tile, TRANSPORT_ROAD)) return CMD_ERROR;

   122

	if (!IsTileOwner(tile, _current_player)) return CMD_ERROR;

   123

   124

	v = AllocateVehicle();

   125

	if (v == NULL || IsOrderPoolFull())

   126

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   127

   128

	/* find the first free roadveh id */

   129

	unit_num = GetFreeUnitNumber(VEH_Road);

   130

	if (unit_num > _patches.max_roadveh)

   131

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   132

   133

	if (flags & DC_EXEC) {

   134

		const RoadVehicleInfo *rvi = RoadVehInfo(p1);

   135

   136

		v->unitnumber = unit_num;

   137

		v->direction = 0;

   138

		v->owner = _current_player;

   139

   140

		v->tile = tile;

   141

		x = TileX(tile) * 16 + 8;

   142

		y = TileY(tile) * 16 + 8;

   143

		v->x_pos = x;

   144

		v->y_pos = y;

   145

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

   146

		v->z_height = 6;

   147

   148

		v->u.road.state = 254;

   149

		v->vehstatus = VS_HIDDEN|VS_STOPPED|VS_DEFPAL;

   150

   151

		v->spritenum = rvi->image_index;

   152

		v->cargo_type = rvi->cargo_type;

   153

		v->cargo_cap = rvi->capacity;

   154

//		v->cargo_count = 0;

   155

		v->value = cost;

   156

//		v->day_counter = 0;

   157

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

   158

//		v->load_unload_time_rem = 0;

   159

//		v->progress = 0;

   160

   161

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

   162

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

   163

   164

		v->u.road.slot = NULL;

   165

		v->u.road.slotindex = 0;

   166

		v->u.road.slot_age = 0;

   167

   168

		v->last_station_visited = INVALID_STATION;

   169

		v->max_speed = rvi->max_speed;

   170

		v->engine_type = (byte)p1;

   171

   172

		e = GetEngine(p1);

   173

		v->reliability = e->reliability;

   174

		v->reliability_spd_dec = e->reliability_spd_dec;

   175

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

   176

		_new_roadveh_id = v->index;

   177

		_new_vehicle_id = v->index;

   178

   179

		v->string_id = STR_SV_ROADVEH_NAME;

   180

   181

		v->service_interval = _patches.servint_roadveh;

   182

   183

		v->date_of_last_service = _date;

   184

		v->build_year = _cur_year;

   185

   186

		v->type = VEH_Road;

   187

		v->cur_image = 0xC15;

   188

		v->random_bits = VehicleRandomBits();

   189

   190

		VehiclePositionChanged(v);

   191

   192

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   193

		RebuildVehicleLists();

   194

		InvalidateWindow(WC_COMPANY, v->owner);

   195

		if (IsLocalPlayer())

   196

			InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Road); // updates the replace Road window

   197

	}

   198

   199

	return cost;

   200

}

   201

   202

/** Start/Stop a road vehicle.

   203

 * @param x,y unused

   204

 * @param p1 road vehicle ID to start/stop

   205

 * @param p2 unused

   206

 */

   207

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

   208

{

   209

	Vehicle *v;

   210

   211

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   212

   213

	v = GetVehicle(p1);

   214

   215

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

   216

   217

	if (flags & DC_EXEC) {

   218

		v->vehstatus ^= VS_STOPPED;

   219

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

   220

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   221

	}

   222

   223

	return 0;

   224

}

   225

   226

void ClearSlot(Vehicle *v, RoadStop *rs)

   227

{

   228

	DEBUG(ms, 3) ("Multistop: Clearing slot %d at 0x%x", v->u.road.slotindex, rs->xy);

   229

	v->u.road.slot = NULL;

   230

	v->u.road.slot_age = 0;

   231

	if (rs != NULL) {

   232

		// check that the slot is indeed assigned to the same vehicle

   233

		assert(rs->slot[v->u.road.slotindex] == v->index);

   234

		rs->slot[v->u.road.slotindex] = INVALID_SLOT;

   235

 }

   236

}

   237

   238

/** Sell a road vehicle.

   239

 * @param x,y unused

   240

 * @param p1 vehicle ID to be sold

   241

 * @param p2 unused

   242

 */

   243

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

   244

{

   245

	Vehicle *v;

   246

   247

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   248

   249

	v = GetVehicle(p1);

   250

   251

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

   252

   253

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   254

   255

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

   256

		return_cmd_error(STR_9013_MUST_BE_STOPPED_INSIDE);

   257

   258

	if (flags & DC_EXEC) {

   259

		// Invalidate depot

   260

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   261

		RebuildVehicleLists();

   262

		InvalidateWindow(WC_COMPANY, v->owner);

   263

		DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   264

		ClearSlot(v, v->u.road.slot);

   265

		DeleteVehicle(v);

   266

		if (IsLocalPlayer())

   267

			InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Road); // updates the replace Road window

   268

	}

   269

   270

	return -(int32)v->value;

   271

}

   272

   273

typedef struct RoadFindDepotData {

   274

	uint best_length;

   275

	TileIndex tile;

   276

	byte owner;

   277

} RoadFindDepotData;

   278

   279

static const byte _road_pf_directions[16] = {

   280

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

   281

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

   282

};

   283

   284

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

   285

{

   286

	tile += TileOffsByDir(_road_pf_directions[track]);

   287

   288

	if (IsTileType(tile, MP_STREET) &&

   289

			GB(_m[tile].m5, 4, 4) == 2 &&

   290

			IsTileOwner(tile, rfdd->owner)) {

   291

   292

		if (length < rfdd->best_length) {

   293

			rfdd->best_length = length;

   294

			rfdd->tile = tile;

   295

		}

   296

	}

   297

	return false;

   298

}

   299

   300

static Depot *FindClosestRoadDepot(Vehicle *v)

   301

{

   302

	TileIndex tile = v->tile;

   303

	int i;

   304

   305

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

   306

   307

	if (_patches.new_pathfinding_all) {

   308

		NPFFoundTargetData ftd;

   309

		/* See where we are now */

   310

		Trackdir trackdir = GetVehicleTrackdir(v);

   311

   312

		ftd = NPFRouteToDepotBreadthFirst(v->tile, trackdir, TRANSPORT_ROAD, v->owner, INVALID_RAILTYPE);

   313

		if (ftd.best_bird_dist == 0)

   314

			return GetDepotByTile(ftd.node.tile); /* Target found */

   315

		else

   316

			return NULL; /* Target not found */

   317

		/* We do not search in two directions here, why should we? We can't reverse right now can we? */

   318

	} else {

   319

		RoadFindDepotData rfdd;

   320

		rfdd.owner = v->owner;

   321

		rfdd.best_length = (uint)-1;

   322

   323

		/* search in all directions */

   324

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

   325

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

   326

   327

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

   328

			return NULL;

   329

   330

		return GetDepotByTile(rfdd.tile);

   331

	}

   332

}

   333

   334

/** Send a road vehicle to the depot.

   335

 * @param x,y unused

   336

 * @param p1 vehicle ID to send to the depot

   337

 * @param p2 unused

   338

 */

   339

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

   340

{

   341

	Vehicle *v;

   342

	const Depot *dep;

   343

   344

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   345

   346

	v = GetVehicle(p1);

   347

   348

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

   349

   350

	if (v->vehstatus & VS_CRASHED) return CMD_ERROR;

   351

   352

	/* If the current orders are already goto-depot */

   353

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

   354

		if (flags & DC_EXEC) {

   355

			/* If the orders to 'goto depot' are in the orders list (forced servicing),

   356

			 * then skip to the next order; effectively cancelling this forced service */

   357

			if (HASBIT(v->current_order.flags, OFB_PART_OF_ORDERS))

   358

				v->cur_order_index++;

   359

   360

			v->current_order.type = OT_DUMMY;

   361

			v->current_order.flags = 0;

   362

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

   363

		}

   364

		return 0;

   365

	}

   366

   367

	dep = FindClosestRoadDepot(v);

   368

	if (dep == NULL) return_cmd_error(STR_9019_UNABLE_TO_FIND_LOCAL_DEPOT);

   369

   370

	if (flags & DC_EXEC) {

   371

		v->current_order.type = OT_GOTO_DEPOT;

   372

		v->current_order.flags = OF_NON_STOP | OF_HALT_IN_DEPOT;

   373

		v->current_order.station = dep->index;

   374

		v->dest_tile = dep->xy;

   375

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

   376

	}

   377

   378

	return 0;

   379

}

   380

   381

/** Turn a roadvehicle around.

   382

 * @param x,y unused

   383

 * @param p1 vehicle ID to turn

   384

 * @param p2 unused

   385

 */

   386

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

   387

{

   388

	Vehicle *v;

   389

   390

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   391

   392

	v = GetVehicle(p1);

   393

   394

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

   395

   396

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

   397

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

   398

			v->breakdown_ctr != 0 ||

   399

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

   400

			v->cur_speed < 5) {

   401

		return CMD_ERROR;

   402

	}

   403

   404

	if (flags & DC_EXEC) {

   405

		v->u.road.reverse_ctr = 180;

   406

	}

   407

   408

	return 0;

   409

}

   410

   411

   412

static void MarkRoadVehDirty(Vehicle *v)

   413

{

   414

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

   415

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

   416

}

   417

   418

static void UpdateRoadVehDeltaXY(Vehicle *v)

   419

{

   420

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

   421

	static const uint32 _delta_xy_table[8] = {

   422

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

   423

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

   424

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

   425

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

   426

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

   427

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

   428

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

   429

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

   430

	};

   431

#undef MKIT

   432

	uint32 x = _delta_xy_table[v->direction];

   433

	v->x_offs        = GB(x,  0, 8);

   434

	v->y_offs        = GB(x,  8, 8);

   435

	v->sprite_width  = GB(x, 16, 8);

   436

	v->sprite_height = GB(x, 24, 8);

   437

}

   438

   439

static void ClearCrashedStation(Vehicle *v)

   440

{

   441

	RoadStop *rs = GetRoadStopByTile(v->tile, GetRoadStopType(v->tile));

   442

   443

	// mark station as not busy

   444

	CLRBIT(rs->status, 7);

   445

   446

	// free parking bay

   447

	SETBIT(rs->status, HASBIT(v->u.road.state, 1) ? 1 : 0);

   448

}

   449

   450

static void RoadVehDelete(Vehicle *v)

   451

{

   452

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   453

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   454

   455

	RebuildVehicleLists();

   456

	InvalidateWindow(WC_COMPANY, v->owner);

   457

   458

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

   459

		ClearCrashedStation(v);

   460

   461

	BeginVehicleMove(v);

   462

	EndVehicleMove(v);

   463

   464

	ClearSlot(v, v->u.road.slot);

   465

	DeleteVehicle(v);

   466

}

   467

   468

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

   469

{

   470

	byte new_z, old_z;

   471

   472

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

   473

	_get_z_hint = v->z_pos;

   474

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

   475

	_get_z_hint = 0;

   476

   477

	old_z = v->z_pos;

   478

	v->z_pos = new_z;

   479

   480

	VehiclePositionChanged(v);

   481

	EndVehicleMove(v);

   482

	return old_z;

   483

}

   484

   485

static void RoadVehSetRandomDirection(Vehicle *v)

   486

{

   487

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

   488

	uint32 r = Random();

   489

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

   490

	BeginVehicleMove(v);

   491

	UpdateRoadVehDeltaXY(v);

   492

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

   493

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

   494

}

   495

   496

static void RoadVehIsCrashed(Vehicle *v)

   497

{

   498

	v->u.road.crashed_ctr++;

   499

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

   500

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

   501

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

   502

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