1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include <limits.h>

     5

#include "openttd.h"

     6

#include "debug.h"

     7

#include "functions.h"

     8

#include "road_map.h"

     9

#include "station_map.h"

    10

#include "table/strings.h"

    11

#include "map.h"

    12

#include "tile.h"

    13

#include "vehicle.h"

    14

#include "engine.h"

    15

#include "command.h"

    16

#include "station.h"

    17

#include "news.h"

    18

#include "pathfind.h"

    19

#include "npf.h"

    20

#include "player.h"

    21

#include "sound.h"

    22

#include "depot.h"

    23

#include "bridge.h"

    24

#include "tunnel_map.h"

    25

#include "bridge_map.h"

    26

#include "vehicle_gui.h"

    27

#include "newgrf_engine.h"

    28

#include "yapf/yapf.h"

    29

    30

static const uint16 _roadveh_images[63] = {

    31

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

    32

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

    33

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

    34

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

    35

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

    36

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

    37

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

    38

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

    39

};

    40

    41

static const uint16 _roadveh_full_adder[63] = {

    42

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

    43

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

    44

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

    45

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

    46

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

    47

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

    48

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

    49

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

    50

};

    51

    52

    53

static const uint16 _road_veh_fp_ax_and[4] = {

    54

	0x1009, 0x16, 0x520, 0x2A00

    55

};

    56

    57

static const byte _road_reverse_table[4] = {

    58

	6, 7, 14, 15

    59

};

    60

    61

static const uint16 _road_pf_table_3[4] = {

    62

	0x910, 0x1600, 0x2005, 0x2A

    63

};

    64

    65

int GetRoadVehImage(const Vehicle* v, Direction direction)

    66

{

    67

	int img = v->spritenum;

    68

	int image;

    69

    70

	if (is_custom_sprite(img)) {

    71

		image = GetCustomVehicleSprite(v, direction);

    72

		if (image != 0) return image;

    73

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

    74

	}

    75

    76

	image = direction + _roadveh_images[img];

    77

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

    78

	return image;

    79

}

    80

    81

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

    82

{

    83

	int spritenum = RoadVehInfo(engine)->image_index;

    84

    85

	if (is_custom_sprite(spritenum)) {

    86

		int sprite = GetCustomVehicleIcon(engine, DIR_W);

    87

    88

		if (sprite != 0) {

    89

			DrawSprite(sprite | image_ormod, x, y);

    90

			return;

    91

		}

    92

		spritenum = orig_road_vehicle_info[engine - ROAD_ENGINES_INDEX].image_index;

    93

	}

    94

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

    95

}

    96

    97

static int32 EstimateRoadVehCost(EngineID engine_type)

    98

{

    99

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

   100

}

   101

   102

/** Build a road vehicle.

   103

 * @param tile tile of depot where road vehicle is built

   104

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

   105

 * @param p2 bit 0 when set, the unitnumber will be 0, otherwise it will be a free number

   106

 */

   107

int32 CmdBuildRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

   108

{

   109

	int32 cost;

   110

	Vehicle *v;

   111

	UnitID unit_num;

   112

	Engine *e;

   113

   114

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

   115

   116

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   117

   118

	cost = EstimateRoadVehCost(p1);

   119

	if (flags & DC_QUERY_COST) return cost;

   120

   121

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

   122

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

   123

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

   124

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

   125

   126

	v = AllocateVehicle();

   127

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

   128

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   129

   130

	/* find the first free roadveh id */

   131

	unit_num = (HASBIT(p2, 0) == true) ? 0 : GetFreeUnitNumber(VEH_Road);

   132

	if (unit_num > _patches.max_roadveh)

   133

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   134

   135

	if (flags & DC_EXEC) {

   136

		int x;

   137

		int y;

   138

   139

		const RoadVehicleInfo *rvi = RoadVehInfo(p1);

   140

   141

		v->unitnumber = unit_num;

   142

		v->direction = 0;

   143

		v->owner = _current_player;

   144

   145

		v->tile = tile;

   146

		x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;

   147

		y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;

   148

		v->x_pos = x;

   149

		v->y_pos = y;

   150

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

   151

		v->z_height = 6;

   152

   153

		v->u.road.state = 254;

   154

		v->vehstatus = VS_HIDDEN|VS_STOPPED|VS_DEFPAL;

   155

   156

		v->spritenum = rvi->image_index;

   157

		v->cargo_type = rvi->cargo_type;

   158

		v->cargo_subtype = 0;

   159

		v->cargo_cap = rvi->capacity;

   160

//		v->cargo_count = 0;

   161

		v->value = cost;

   162

//		v->day_counter = 0;

   163

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

   164

//		v->load_unload_time_rem = 0;

   165

//		v->progress = 0;

   166

   167

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

   168

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

   169

   170

		v->last_station_visited = INVALID_STATION;

   171

		v->max_speed = rvi->max_speed;

   172

		v->engine_type = (byte)p1;

   173

   174

		e = GetEngine(p1);

   175

		v->reliability = e->reliability;

   176

		v->reliability_spd_dec = e->reliability_spd_dec;

   177

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

   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 tile unused

   205

 * @param p1 road vehicle ID to start/stop

   206

 * @param p2 unused

   207

 */

   208

int32 CmdStartStopRoadVeh(TileIndex tile, 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

		if (v->vehstatus & VS_STOPPED && v->u.road.state == 254) {

   220

			DeleteVehicleNews(p1, STR_9016_ROAD_VEHICLE_IS_WAITING);

   221

		}

   222

   223

		v->vehstatus ^= VS_STOPPED;

   224

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

   225

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   226

	}

   227

   228

	return 0;

   229

}

   230

   231

void ClearSlot(Vehicle *v)

   232

{

   233

	RoadStop *rs = v->u.road.slot;

   234

	if (v->u.road.slot == NULL) return;

   235

   236

	v->u.road.slot = NULL;

   237

	v->u.road.slot_age = 0;

   238

   239

	assert(rs->num_vehicles != 0);

   240

	rs->num_vehicles--;

   241

   242

	DEBUG(ms, 3) ("Multistop: Clearing slot at 0x%X", rs->xy);

   243

}

   244

   245

/** Sell a road vehicle.

   246

 * @param tile unused

   247

 * @param p1 vehicle ID to be sold

   248

 * @param p2 unused

   249

 */

   250

int32 CmdSellRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

   251

{

   252

	Vehicle *v;

   253

   254

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   255

   256

	v = GetVehicle(p1);

   257

   258

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

   259

   260

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   261

   262

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

   263

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

   264

			!(v->vehstatus & VS_STOPPED)) {

   265

		return_cmd_error(STR_9013_MUST_BE_STOPPED_INSIDE);

   266

	}

   267

   268

	if (flags & DC_EXEC) {

   269

		// Invalidate depot

   270

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   271

		RebuildVehicleLists();

   272

		InvalidateWindow(WC_COMPANY, v->owner);

   273

		DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   274

		ClearSlot(v);

   275

		DeleteVehicle(v);

   276

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

   277

	}

   278

   279

	return -(int32)v->value;

   280

}

   281

   282

typedef struct RoadFindDepotData {

   283

	uint best_length;

   284

	TileIndex tile;

   285

	byte owner;

   286

} RoadFindDepotData;

   287

   288

static const DiagDirection _road_pf_directions[] = {

   289

	DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_NE, DIAGDIR_SE, DIAGDIR_SW, DIAGDIR_SE, 255, 255,

   290

	DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NW, DIAGDIR_SW, DIAGDIR_NW, DIAGDIR_NE, 255, 255

   291

};

   292

   293

static bool EnumRoadSignalFindDepot(TileIndex tile, void* data, int track, uint length, byte* state)

   294

{

   295

	RoadFindDepotData* rfdd = data;

   296

   297

	tile += TileOffsByDir(_road_pf_directions[track]);

   298

   299

	if (IsTileType(tile, MP_STREET) &&

   300

			GetRoadTileType(tile) == ROAD_TILE_DEPOT &&

   301

			IsTileOwner(tile, rfdd->owner) &&

   302

			length < rfdd->best_length) {

   303

		rfdd->best_length = length;

   304

		rfdd->tile = tile;

   305

	}

   306

	return false;

   307

}

   308

   309

static const Depot* FindClosestRoadDepot(const Vehicle* v)

   310

{

   311

	TileIndex tile = v->tile;

   312

   313

	if (_patches.yapf.road_use_yapf) {

   314

		Depot* ret = YapfFindNearestRoadDepot(v);

   315

		return ret;

   316

	} else if (_patches.new_pathfinding_all) {

   317

		NPFFoundTargetData ftd;

   318

		/* See where we are now */

   319

		Trackdir trackdir = GetVehicleTrackdir(v);

   320

   321

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

   322

		if (ftd.best_bird_dist == 0) {

   323

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

   324

		} else {

   325

			return NULL; /* Target not found */

   326

		}

   327

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

   328

	} else {

   329

		RoadFindDepotData rfdd;

   330

		DiagDirection i;

   331

   332

		rfdd.owner = v->owner;

   333

		rfdd.best_length = (uint)-1;

   334

   335

		/* search in all directions */

   336

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

   337

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

   338

		}

   339

   340

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

   341

   342

		return GetDepotByTile(rfdd.tile);

   343

	}

   344

}

   345

   346

/** Send a road vehicle to the depot.

   347

 * @param tile unused

   348

 * @param p1 vehicle ID to send to the depot

   349

 * @param p2 unused

   350

 */

   351

int32 CmdSendRoadVehToDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

   352

{

   353

	Vehicle *v;

   354

	const Depot *dep;

   355

   356

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   357

   358

	v = GetVehicle(p1);

   359

   360

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

   361

   362

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

   363

   364

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

   365

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

   366

		if (flags & DC_EXEC) {

   367

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

   368

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

   369

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

   370

				v->cur_order_index++;

   371

   372

			v->current_order.type = OT_DUMMY;

   373

			v->current_order.flags = 0;

   374

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

   375

		}

   376

		return 0;

   377

	}

   378

   379

	dep = FindClosestRoadDepot(v);

   380

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

   381

   382

	if (flags & DC_EXEC) {

   383

		ClearSlot(v);

   384

		v->current_order.type = OT_GOTO_DEPOT;

   385

		v->current_order.flags = OF_NON_STOP | OF_HALT_IN_DEPOT;

   386

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

   387

		v->dest_tile = dep->xy;

   388

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

   389

	}

   390

   391

	return 0;

   392

}

   393

   394

/** Turn a roadvehicle around.

   395

 * @param tile unused

   396

 * @param p1 vehicle ID to turn

   397

 * @param p2 unused

   398

 */

   399

int32 CmdTurnRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)

   400

{

   401

	Vehicle *v;

   402

   403

	if (!IsVehicleIndex(p1)) return CMD_ERROR;

   404

   405

	v = GetVehicle(p1);

   406

   407

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

   408

   409

	if (v->vehstatus & VS_STOPPED ||

   410

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

   411

			v->breakdown_ctr != 0 ||

   412

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

   413

			v->u.road.state == 255 ||

   414

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

   415

			v->cur_speed < 5) {

   416

		return CMD_ERROR;

   417

	}

   418

   419

	if (IsTunnelTile(v->tile) && DirToDiagDir(v->direction) == GetTunnelDirection(v->tile)) return CMD_ERROR;

   420

	if (IsBridgeTile(v->tile) && DirToDiagDir(v->direction) == GetBridgeRampDirection(v->tile)) return CMD_ERROR;

   421

   422

	if (flags & DC_EXEC) v->u.road.reverse_ctr = 180;

   423

   424

	return 0;

   425

}

   426

   427

   428

static void MarkRoadVehDirty(Vehicle *v)

   429

{

   430

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

   431

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

   432

}

   433

   434

static void UpdateRoadVehDeltaXY(Vehicle *v)

   435

{

   436

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

   437

	static const uint32 _delta_xy_table[8] = {

   438

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

   439

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

   440

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

   441

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

   442

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

   443

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

   444

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

   445

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

   446

	};

   447

#undef MKIT

   448

	uint32 x = _delta_xy_table[v->direction];

   449

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

   450

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

   451

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

   452

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

   453

}

   454

   455

static void ClearCrashedStation(Vehicle *v)

   456

{

   457

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

   458

   459

	// mark station as not busy

   460

	CLRBIT(rs->status, 7);

   461

   462

	// free parking bay

   463

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

   464

}

   465

   466

static void RoadVehDelete(Vehicle *v)

   467

{

   468

	DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   469

	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);

   470

   471

	RebuildVehicleLists();

   472

	InvalidateWindow(WC_COMPANY, v->owner);

   473

   474

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

   475

   476

	BeginVehicleMove(v);

   477

	EndVehicleMove(v);

   478

   479

	ClearSlot(v);

   480

	DeleteVehicle(v);

   481

}

   482

   483

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

   484

{

   485

	byte new_z, old_z;

   486

   487

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

   488

	v->x_pos = x;

   489

	v->y_pos = y;

   490

	new_z = GetSlopeZ(x, y);

   491

   492

	old_z = v->z_pos;

   493

	v->z_pos = new_z;

   494

   495

	VehiclePositionChanged(v);

   496

	EndVehicleMove(v);