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 "roadveh.h"

    10

#include "station_map.h"

    11

#include "table/strings.h"

    12

#include "map.h"

    13

#include "tile.h"

    14

#include "vehicle.h"

    15

#include "engine.h"

    16

#include "command.h"

    17

#include "station.h"

    18

#include "news.h"

    19

#include "pathfind.h"

    20

#include "npf.h"

    21

#include "player.h"

    22

#include "sound.h"

    23

#include "depot.h"

    24

#include "bridge.h"

    25

#include "tunnel_map.h"

    26

#include "bridge_map.h"

    27

#include "vehicle_gui.h"

    28

#include "newgrf_callbacks.h"

    29

#include "newgrf_engine.h"

    30

#include "newgrf_text.h"

    31

#include "newgrf_sound.h"

    32

#include "yapf/yapf.h"

    33

#include "date.h"

    34

    35

static const uint16 _roadveh_images[63] = {

    36

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

    37

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

    38

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

    39

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

    40

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

    41

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

    42

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

    43

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

    44

};

    45

    46

static const uint16 _roadveh_full_adder[63] = {

    47

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

    48

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

    49

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

    50

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

    51

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

    52

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

    53

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

    54

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

    55

};

    56

    57

    58

static const uint16 _road_veh_fp_ax_and[4] = {

    59

	0x1009, 0x16, 0x520, 0x2A00

    60

};

    61

    62

static const byte _road_reverse_table[4] = {

    63

	6, 7, 14, 15

    64

};

    65

    66

static const uint16 _road_pf_table_3[4] = {

    67

	0x910, 0x1600, 0x2005, 0x2A

    68

};

    69

    70

int GetRoadVehImage(const Vehicle* v, Direction direction)

    71

{

    72

	int img = v->spritenum;

    73

	int image;

    74

    75

	if (is_custom_sprite(img)) {

    76

		image = GetCustomVehicleSprite(v, direction);

    77

		if (image != 0) return image;

    78

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

    79

	}

    80

    81

	image = direction + _roadveh_images[img];

    82

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

    83

	return image;

    84

}

    85

    86

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

    87

{

    88

	int spritenum = RoadVehInfo(engine)->image_index;

    89

    90

	if (is_custom_sprite(spritenum)) {

    91

		int sprite = GetCustomVehicleIcon(engine, DIR_W);

    92

    93

		if (sprite != 0) {

    94

			DrawSprite(sprite | image_ormod, x, y);

    95

			return;

    96

		}

    97

		spritenum = orig_road_vehicle_info[engine - ROAD_ENGINES_INDEX].image_index;

    98

	}

    99

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

   100

}

   101

   102

static int32 EstimateRoadVehCost(EngineID engine_type)

   103

{

   104

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

   105

}

   106

   107

/** Build a road vehicle.

   108

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

   109

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

   110

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

   111

 */

   112

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

   113

{

   114

	int32 cost;

   115

	Vehicle *v;

   116

	UnitID unit_num;

   117

	Engine *e;

   118

   119

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

   120

   121

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   122

   123

	cost = EstimateRoadVehCost(p1);

   124

	if (flags & DC_QUERY_COST) return cost;

   125

   126

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

   127

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

   128

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

   129

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

   130

   131

	v = AllocateVehicle();

   132

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

   133

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   134

   135

	/* find the first free roadveh id */

   136

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

   137

	if (unit_num > _patches.max_roadveh)

   138

		return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME);

   139

   140

	if (flags & DC_EXEC) {

   141

		int x;

   142

		int y;

   143

   144

		const RoadVehicleInfo *rvi = RoadVehInfo(p1);

   145

   146

		v->unitnumber = unit_num;

   147

		v->direction = 0;

   148

		v->owner = _current_player;

   149

   150

		v->tile = tile;

   151

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

   152

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

   153

		v->x_pos = x;

   154

		v->y_pos = y;

   155

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

   156

		v->z_height = 6;

   157

   158

		v->u.road.state = 254;

   159

		v->vehstatus = VS_HIDDEN|VS_STOPPED|VS_DEFPAL;

   160

   161

		v->spritenum = rvi->image_index;

   162

		v->cargo_type = rvi->cargo_type;

   163

		v->cargo_subtype = 0;

   164

		v->cargo_cap = rvi->capacity;

   165

//		v->cargo_count = 0;

   166

		v->value = cost;

   167

//		v->day_counter = 0;

   168

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

   169

//		v->load_unload_time_rem = 0;

   170

//		v->progress = 0;

   171

   172

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

   173

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

   174

   175

		v->last_station_visited = INVALID_STATION;

   176

		v->max_speed = rvi->max_speed;

   177

		v->engine_type = (byte)p1;

   178

   179

		e = GetEngine(p1);

   180

		v->reliability = e->reliability;

   181

		v->reliability_spd_dec = e->reliability_spd_dec;

   182

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

   183

		_new_vehicle_id = v->index;

   184

   185

		v->string_id = STR_SV_ROADVEH_NAME;

   186

   187

		v->service_interval = _patches.servint_roadveh;

   188

   189

		v->date_of_last_service = _date;

   190

		v->build_year = _cur_year;

   191

   192

		v->type = VEH_Road;

   193

		v->cur_image = 0xC15;

   194

		v->random_bits = VehicleRandomBits();

   195

   196

		VehiclePositionChanged(v);

   197

		GetPlayer(_current_player)->num_engines[p1]++;

   198

   199

		InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);

   200

		RebuildVehicleLists();

   201

		InvalidateWindow(WC_COMPANY, v->owner);

   202

		if (IsLocalPlayer())

   203

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

   204

	}

   205

   206

	return cost;

   207

}

   208

   209

/** Start/Stop a road vehicle.

   210

 * @param tile unused

   211

 * @param p1 road vehicle ID to start/stop

   212

 * @param p2 unused

   213

 */

   214

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

   215

{

   216

	Vehicle *v;

   217

	uint16 callback;

   218

   219

	if (!IsValidVehicleID(p1)) return CMD_ERROR;

   220

   221

	v = GetVehicle(p1);

   222

   223

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

   224

   225

	/* Check if this road veh can be started/stopped. The callback will fail or

   226

	 * return 0xFF if it can. */

   227

	callback = GetVehicleCallback(CBID_VEHICLE_START_STOP_CHECK, 0, 0, v->engine_type, v);

   228

	if (callback != CALLBACK_FAILED && callback != 0xFF) {

   229

		StringID error = GetGRFStringID(GetEngineGRFID(v->engine_type), 0xD000 + callback);

   230

		return_cmd_error(error);

   231

	}

   232

   233

	if (flags & DC_EXEC) {

   234

		if (IsRoadVehInDepotStopped(v)) {

   235

			DeleteVehicleNews(p1, STR_9016_ROAD_VEHICLE_IS_WAITING);

   236

		}

   237

   238

		v->vehstatus ^= VS_STOPPED;

   239

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

   240

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   241

	}

   242

   243

	return 0;

   244

}

   245

   246

void ClearSlot(Vehicle *v)

   247

{

   248

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

   249

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

   250

   251

	v->u.road.slot = NULL;

   252

	v->u.road.slot_age = 0;

   253

   254

	assert(rs->num_vehicles != 0);

   255

	rs->num_vehicles--;

   256

   257

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

   258

}

   259

   260

/** Sell a road vehicle.

   261

 * @param tile unused

   262

 * @param p1 vehicle ID to be sold

   263

 * @param p2 unused

   264

 */

   265

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

   266

{

   267

	Vehicle *v;

   268

   269

	if (!IsValidVehicleID(p1)) return CMD_ERROR;

   270

   271

	v = GetVehicle(p1);

   272

   273

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

   274

   275

	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);

   276

   277

	if (!IsRoadVehInDepotStopped(v)) {

   278

		return_cmd_error(STR_9013_MUST_BE_STOPPED_INSIDE);

   279

	}

   280

   281

	if (flags & DC_EXEC) {

   282

		// Invalidate depot

   283

		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);

   284

		RebuildVehicleLists();

   285

		InvalidateWindow(WC_COMPANY, v->owner);

   286

		DeleteWindowById(WC_VEHICLE_VIEW, v->index);

   287

		ClearSlot(v);

   288

		DeleteDepotHighlightOfVehicle(v);

   289

		DeleteVehicle(v);

   290

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

   291

	}

   292

   293

	return -(int32)v->value;

   294

}

   295

   296

typedef struct RoadFindDepotData {

   297

	uint best_length;

   298

	TileIndex tile;

   299

	byte owner;

   300

} RoadFindDepotData;

   301

   302

static const DiagDirection _road_pf_directions[] = {

   303

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

   304

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

   305

};

   306

   307

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

   308

{

   309

	RoadFindDepotData* rfdd = data;

   310

   311

	tile += TileOffsByDiagDir(_road_pf_directions[track]);

   312

   313

	if (IsTileType(tile, MP_STREET) &&

   314

			GetRoadTileType(tile) == ROAD_TILE_DEPOT &&

   315

			IsTileOwner(tile, rfdd->owner) &&

   316

			length < rfdd->best_length) {

   317

		rfdd->best_length = length;

   318

		rfdd->tile = tile;

   319

	}

   320

	return false;

   321

}

   322

   323

static const Depot* FindClosestRoadDepot(const Vehicle* v)

   324

{

   325

	TileIndex tile = v->tile;

   326

   327

	if (_patches.yapf.road_use_yapf) {

   328

		Depot* ret = YapfFindNearestRoadDepot(v);

   329

		return ret;

   330

	} else if (_patches.new_pathfinding_all) {

   331

		NPFFoundTargetData ftd;

   332

		/* See where we are now */

   333

		Trackdir trackdir = GetVehicleTrackdir(v);

   334

   335

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

   336

		if (ftd.best_bird_dist == 0) {

   337

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

   338

		} else {

   339

			return NULL; /* Target not found */

   340

		}

   341

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

   342

	} else {

   343

		RoadFindDepotData rfdd;

   344

		DiagDirection i;

   345

   346

		rfdd.owner = v->owner;

   347

		rfdd.best_length = (uint)-1;

   348

   349

		/* search in all directions */

   350

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

   351

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

   352

		}

   353

   354

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

   355

   356

		return GetDepotByTile(rfdd.tile);

   357

	}

   358

}

   359

   360

/** Send a road vehicle to the depot.

   361

 * @param tile unused

   362

 * @param p1 vehicle ID to send to the depot

   363

 * @param p2 various bitmasked elements

   364

 * - p2 bit 0-3 - DEPOT_ flags (see vehicle.h)

   365

 * - p2 bit 8-10 - VLW flag (for mass goto depot)

   366

 */

   367

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

   368

{

   369

	Vehicle *v;

   370

	const Depot *dep;

   371

   372

	if (p2 & DEPOT_MASS_SEND) {

   373

		/* Mass goto depot requested */

   374

		if (!ValidVLWFlags(p2 & VLW_MASK)) return CMD_ERROR;

   375

		return SendAllVehiclesToDepot(VEH_Road, flags, p2 & DEPOT_SERVICE, _current_player, (p2 & VLW_MASK), p1);

   376

	}

   377

   378

	if (!IsValidVehicleID(p1)) return CMD_ERROR;

   379

   380

	v = GetVehicle(p1);

   381

   382

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

   383

   384

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

   385

   386

	if (IsRoadVehInDepot(v)) return CMD_ERROR;

   387

   388

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

   389

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

   390

		if (!!(p2 & DEPOT_SERVICE) == HASBIT(v->current_order.flags, OFB_HALT_IN_DEPOT)) {

   391

			/* We called with a different DEPOT_SERVICE setting.

   392

			 * Now we change the setting to apply the new one and let the vehicle head for the same depot.

   393

			 * Note: the if is (true for requesting service == true for ordered to stop in depot) */

   394

			if (flags & DC_EXEC) {

   395

				TOGGLEBIT(v->current_order.flags, OFB_HALT_IN_DEPOT);

   396

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

   397

			}

   398

			return 0;

   399

		}

   400

   401

		if (p2 & DEPOT_DONT_CANCEL) return CMD_ERROR; // Requested no cancelation of depot orders

   402

		if (flags & DC_EXEC) {

   403

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

   404

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

   405

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

   406

				v->cur_order_index++;

   407

   408

			v->current_order.type = OT_DUMMY;

   409

			v->current_order.flags = 0;

   410

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

   411

		}

   412

		return 0;

   413

	}

   414

   415

	dep = FindClosestRoadDepot(v);

   416

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

   417

   418

	if (flags & DC_EXEC) {

   419

		ClearSlot(v);

   420

		v->current_order.type = OT_GOTO_DEPOT;

   421

		v->current_order.flags = OF_NON_STOP;

   422

		if (!(p2 & DEPOT_SERVICE)) SETBIT(v->current_order.flags, OFB_HALT_IN_DEPOT);

   423

		v->current_order.refit_cargo = CT_INVALID;

   424

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

   425

		v->dest_tile = dep->xy;

   426

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

   427

	}

   428

   429

	return 0;

   430

}

   431

   432

/** Turn a roadvehicle around.

   433

 * @param tile unused

   434

 * @param p1 vehicle ID to turn

   435

 * @param p2 unused

   436

 */

   437

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

   438

{

   439

	Vehicle *v;

   440

   441

	if (!IsValidVehicleID(p1)) return CMD_ERROR;

   442

   443

	v = GetVehicle(p1);

   444

   445

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

   446

   447

	if (v->vehstatus & VS_STOPPED ||

   448

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

   449

			v->breakdown_ctr != 0 ||

   450

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

   451

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

   452

			IsRoadVehInDepot(v) ||

   453

			v->cur_speed < 5) {

   454

		return CMD_ERROR;

   455

	}

   456

   457

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

   458

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

   459

   460

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

   461

   462

	return 0;

   463

}

   464

   465

   466

static void MarkRoadVehDirty(Vehicle *v)

   467

{

   468

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

   469

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

   470

}

   471

   472

static void UpdateRoadVehDeltaXY(Vehicle *v)

   473

{

   474

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

   475

	static const uint32 _delta_xy_table[8] = {

   476

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

   477

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

   478

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

   479

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

   480

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

   481

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

   482

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

   483

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

   484

	};

   485

#undef MKIT

   486

	uint32 x = _delta_xy_table[v->direction];

   487

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

   488

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

   489

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

   490

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

   491

}

   492

   493

static void ClearCrashedStation(Vehicle *v)