1

/* $Id$ */

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     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "debug.h"

     6

#include "functions.h"

     7

#include "road.h"

     8

#include "table/strings.h"

     9

#include "map.h"

    10

#include "tile.h"

    11

#include "vehicle.h"

    12

#include "engine.h"

    13

#include "command.h"

    14

#include "station.h"

    15

#include "news.h"

    16

#include "pathfind.h"

    17

#include "npf.h"

    18

#include "player.h"

    19

#include "sound.h"

    20

#include "depot.h"

    21

#include "vehicle_gui.h"

    22

#include "newgrf_engine.h"

    23

    24

static const uint16 _roadveh_images[63] = {

    25

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

    26

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

    27

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

    28

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

    29

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

    30

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

    31

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

    32

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

    33

};

    34

    35

static const uint16 _roadveh_full_adder[63] = {

    36

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

    37

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

    38

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

    39

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

    40

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

    41

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

    42

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

    43

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

    44

};

    45

    46

    47

static const uint16 _road_veh_fp_ax_or[4] = {

    48

	0x100,0x200,1,2,

    49

};

    50

    51

static const uint16 _road_veh_fp_ax_and[4] = {

    52

	0x1009, 0x16, 0x520, 0x2A00

    53

};

    54

    55

static const byte _road_reverse_table[4] = {

    56

	6, 7, 14, 15

    57

};

    58

    59

static const uint16 _road_pf_table_3[4] = {

    60

	0x910, 0x1600, 0x2005, 0x2A

    61

};

    62

    63

int GetRoadVehImage(const Vehicle *v, byte direction)

    64

{

    65

	int img = v->spritenum;

    66

	int image;

    67

    68

	if (is_custom_sprite(img)) {

    69

		image = GetCustomVehicleSprite(v, direction);

    70

		if (image != 0) return image;

    71

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

    72

	}

    73

    74

	image = direction + _roadveh_images[img];

    75

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

    76

	return image;

    77

}

    78

    79

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

    80

{

    81

	int spritenum = RoadVehInfo(engine)->image_index;

    82

    83

	if (is_custom_sprite(spritenum)) {

    84

		int sprite = GetCustomVehicleIcon(engine, 6);

    85

    86

		if (sprite != 0) {

    87

			DrawSprite(sprite | image_ormod, x, y);

    88

			return;

    89

		}

    90

		spritenum = orig_road_vehicle_info[engine - ROAD_ENGINES_INDEX].image_index;

    91

	}

    92

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

    93

}

    94

    95

static int32 EstimateRoadVehCost(EngineID engine_type)

    96

{

    97

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

    98

}

    99

   100

/** Build a road vehicle.

   101

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

   102

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

   103

 * @param p2 unused

   104

 */

   105

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

   106

{

   107

	int32 cost;

   108

	Vehicle *v;

   109

	UnitID unit_num;

   110

	TileIndex tile = TileVirtXY(x, y);

   111

	Engine *e;

   112

   113

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

   114

   115

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   116

   117

	cost = EstimateRoadVehCost(p1);

   118

	if (flags & DC_QUERY_COST) return cost;

   119

   120

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

   121

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

   122

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

   123

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

   124

   125

	v = AllocateVehicle();

   126

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

   127

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   128

   129

	/* find the first free roadveh id */

   130

	unit_num = GetFreeUnitNumber(VEH_Road);

   131

	if (unit_num > _patches.max_roadveh)

   132

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   133

   134

	if (flags & DC_EXEC) {

   135

		const RoadVehicleInfo *rvi = RoadVehInfo(p1);

   136

   137

		v->unitnumber = unit_num;

   138

		v->direction = 0;

   139

		v->owner = _current_player;

   140

   141

		v->tile = tile;

   142

		x = TileX(tile) * 16 + 8;

   143

		y = TileY(tile) * 16 + 8;

   144

		v->x_pos = x;

   145

		v->y_pos = y;

   146

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

   147

		v->z_height = 6;

   148

   149

		v->u.road.state = 254;

   150

		v->vehstatus = VS_HIDDEN|VS_STOPPED|VS_DEFPAL;

   151

   152

		v->spritenum = rvi->image_index;

   153

		v->cargo_type = rvi->cargo_type;

   154

		v->cargo_cap = rvi->capacity;

   155

//		v->cargo_count = 0;

   156

		v->value = cost;

   157

//		v->day_counter = 0;

   158

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

   159

//		v->load_unload_time_rem = 0;

   160

//		v->progress = 0;

   161

   162

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

   163

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

   164

   165

		v->u.road.slot = NULL;

   166

		v->u.road.slotindex = 0;

   167

		v->u.road.slot_age = 0;

   168

   169

		v->last_station_visited = INVALID_STATION;

   170

		v->max_speed = rvi->max_speed;

   171

		v->engine_type = (byte)p1;

   172

   173

		e = GetEngine(p1);

   174

		v->reliability = e->reliability;

   175

		v->reliability_spd_dec = e->reliability_spd_dec;

   176

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

   177

		_new_roadveh_id = v->index;

   178

		_new_vehicle_id = v->index;

   179

   180

		v->string_id = STR_SV_ROADVEH_NAME;

   181

   182

		v->service_interval = _patches.servint_roadveh;

   183

   184

		v->date_of_last_service = _date;

   185

		v->build_year = _cur_year;

   186

   187

		v->type = VEH_Road;

   188

		v->cur_image = 0xC15;

   189

		v->random_bits = VehicleRandomBits();

   190

   191

		VehiclePositionChanged(v);

   192

   193

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   194

		RebuildVehicleLists();

   195

		InvalidateWindow(WC_COMPANY, v->owner);

   196

		if (IsLocalPlayer())

   197

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

   198

	}

   199

   200

	return cost;

   201

}

   202

   203

/** Start/Stop a road vehicle.

   204

 * @param x,y unused

   205

 * @param p1 road vehicle ID to start/stop

   206

 * @param p2 unused

   207

 */

   208

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

   209

{

   210

	Vehicle *v;

   211

   212

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   213

   214

	v = GetVehicle(p1);

   215

   216

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

   217

   218

	if (flags & DC_EXEC) {

   219

		v->vehstatus ^= VS_STOPPED;

   220

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

   221

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   222

	}

   223

   224

	return 0;

   225

}

   226

   227

void ClearSlot(Vehicle *v, RoadStop *rs)

   228

{

   229

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

   230

	v->u.road.slot = NULL;

   231

	v->u.road.slot_age = 0;

   232

	if (rs != NULL) {

   233

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

   234

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

   235

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

   236

 }

   237

}

   238

   239

/** Sell a road vehicle.

   240

 * @param x,y unused

   241

 * @param p1 vehicle ID to be sold

   242

 * @param p2 unused

   243

 */

   244

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

   245

{

   246

	Vehicle *v;

   247

   248

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   249

   250

	v = GetVehicle(p1);

   251

   252

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

   253

   254

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   255

   256

	if (!IsTileDepotType(v->tile, TRANSPORT_ROAD) ||

   257

			v->u.road.state != 254 ||

   258

			!(v->vehstatus & VS_STOPPED)) {

   259

		return_cmd_error(STR_9013_MUST_BE_STOPPED_INSIDE);

   260

	}

   261

   262

	if (flags & DC_EXEC) {

   263

		// Invalidate depot

   264

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   265

		RebuildVehicleLists();

   266

		InvalidateWindow(WC_COMPANY, v->owner);

   267

		DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   268

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

   269

		DeleteVehicle(v);

   270

		if (IsLocalPlayer()) InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Road);

   271

	}

   272

   273

	return -(int32)v->value;

   274

}

   275

   276

typedef struct RoadFindDepotData {

   277

	uint best_length;

   278

	TileIndex tile;

   279

	byte owner;

   280

} RoadFindDepotData;

   281

   282

static const byte _road_pf_directions[16] = {

   283

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

   284

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

   285

};

   286

   287

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

   288

{

   289

	tile += TileOffsByDir(_road_pf_directions[track]);

   290

   291

	if (IsTileType(tile, MP_STREET) &&

   292

			GetRoadType(tile) == ROAD_DEPOT &&

   293

			IsTileOwner(tile, rfdd->owner)) {

   294

   295

		if (length < rfdd->best_length) {

   296

			rfdd->best_length = length;

   297

			rfdd->tile = tile;

   298

		}

   299

	}

   300

	return false;

   301

}

   302

   303

static const Depot* FindClosestRoadDepot(const Vehicle* v)

   304

{

   305

	TileIndex tile = v->tile;

   306

	int i;

   307

   308

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

   309

   310

	if (_patches.new_pathfinding_all) {

   311

		NPFFoundTargetData ftd;

   312

		/* See where we are now */

   313

		Trackdir trackdir = GetVehicleTrackdir(v);

   314

   315

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

   316

		if (ftd.best_bird_dist == 0) {

   317

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

   318

		} else {

   319

			return NULL; /* Target not found */

   320

		}

   321

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

   322

	} else {

   323

		RoadFindDepotData rfdd;

   324

		rfdd.owner = v->owner;

   325

		rfdd.best_length = (uint)-1;

   326

   327

		/* search in all directions */

   328

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

   329

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

   330

		}

   331

   332

		if (rfdd.best_length == (uint)-1) return NULL;

   333

   334

		return GetDepotByTile(rfdd.tile);

   335

	}

   336

}

   337

   338

/** Send a road vehicle to the depot.

   339

 * @param x,y unused

   340

 * @param p1 vehicle ID to send to the depot

   341

 * @param p2 unused

   342

 */

   343

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

   344

{

   345

	Vehicle *v;

   346

	const Depot *dep;

   347

   348

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   349

   350

	v = GetVehicle(p1);

   351

   352

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

   353

   354

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

   355

   356

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

   357

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

   358

		if (flags & DC_EXEC) {

   359

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

   360

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

   361

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

   362

				v->cur_order_index++;

   363

   364

			v->current_order.type = OT_DUMMY;

   365

			v->current_order.flags = 0;

   366

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

   367

		}

   368

		return 0;

   369

	}

   370

   371

	dep = FindClosestRoadDepot(v);

   372

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

   373

   374

	if (flags & DC_EXEC) {

   375

		v->current_order.type = OT_GOTO_DEPOT;

   376

		v->current_order.flags = OF_NON_STOP | OF_HALT_IN_DEPOT;

   377

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

   378

		v->dest_tile = dep->xy;

   379

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

   380

	}

   381

   382

	return 0;

   383

}

   384

   385

/** Turn a roadvehicle around.

   386

 * @param x,y unused

   387

 * @param p1 vehicle ID to turn

   388

 * @param p2 unused

   389

 */

   390

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

   391

{

   392

	Vehicle *v;

   393

   394

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   395

   396

	v = GetVehicle(p1);

   397

   398

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

   399

   400

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

   401

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

   402

			v->breakdown_ctr != 0 ||

   403

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

   404

			v->cur_speed < 5) {

   405

		return CMD_ERROR;

   406

	}

   407

   408

	if (flags & DC_EXEC) {

   409

		v->u.road.reverse_ctr = 180;

   410

	}

   411

   412

	return 0;

   413

}

   414

   415

   416

static void MarkRoadVehDirty(Vehicle *v)

   417

{

   418

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

   419

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

   420

}

   421

   422

static void UpdateRoadVehDeltaXY(Vehicle *v)

   423

{

   424

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

   425

	static const uint32 _delta_xy_table[8] = {

   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

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

   431

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

   432

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

   433

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

   434

	};

   435

#undef MKIT

   436

	uint32 x = _delta_xy_table[v->direction];

   437

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

   438

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

   439

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

   440

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

   441

}

   442

   443

static void ClearCrashedStation(Vehicle *v)

   444

{

   445

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

   446

   447

	// mark station as not busy

   448

	CLRBIT(rs->status, 7);

   449

   450

	// free parking bay

   451

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

   452

}

   453

   454

static void RoadVehDelete(Vehicle *v)

   455

{

   456

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   457

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   458

   459

	RebuildVehicleLists();

   460

	InvalidateWindow(WC_COMPANY, v->owner);

   461

   462

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

   463

   464

	BeginVehicleMove(v);

   465

	EndVehicleMove(v);

   466

   467

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

   468

	DeleteVehicle(v);

   469

}

   470

   471

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

   472

{

   473

	byte new_z, old_z;

   474

   475

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

   476

	_get_z_hint = v->z_pos;

   477

	v->x_pos = x;

   478

	v->y_pos = y;

   479

	new_z = GetSlopeZ(x, y);

   480

	_get_z_hint = 0;

   481

   482

	old_z = v->z_pos;

   483

	v->z_pos = new_z;

   484

   485

	VehiclePositionChanged(v);

   486

	EndVehicleMove(v);

   487

	return old_z;

   488

}

   489

   490

static void RoadVehSetRandomDirection(Vehicle *v)

   491

{

   492

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

   493

	uint32 r = Random();

   494

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

   495

	BeginVehicleMove(v);

   496

	UpdateRoadVehDeltaXY(v);

   497

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

   498

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

   499

}

   500

   501

static void RoadVehIsCrashed(Vehicle *v)