1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "table/strings.h"

     4

#include "vehicle.h"

     5

#include "command.h"

     6

#include "station.h"

     7

#include "player.h"

     8

#include "news.h"

     9

#include "saveload.h"

    10

    11

/**

    12

 *

    13

 * Unpacks a order from savegames made with TTD(Patch)

    14

 *

    15

 */

    16

Order UnpackOldOrder(uint16 packed)

    17

{

    18

	Order order;

    19

	order.type    = (packed & 0x000F);

    20

	order.flags   = (packed & 0x00F0) >> 4;

    21

	order.station = (packed & 0xFF00) >> 8;

    22

	order.next    = NULL;

    23

    24

	// Sanity check

    25

	// TTD stores invalid orders as OT_NOTHING with non-zero flags/station

    26

	if (order.type == OT_NOTHING && (order.flags != 0 || order.station != 0)) {

    27

		order.type = OT_DUMMY;

    28

		order.flags = 0;

    29

	}

    30

    31

	return order;

    32

}

    33

    34

/**

    35

 *

    36

 * Unpacks a order from savegames with version 4 and lower

    37

 *

    38

 */

    39

Order UnpackVersion4Order(uint16 packed)

    40

{

    41

	Order order;

    42

	order.type    = (packed & 0x000F);

    43

	order.flags   = (packed & 0x00F0) >> 4;

    44

	order.station = (packed & 0xFF00) >> 8;

    45

	order.next    = NULL;

    46

	return order;

    47

}

    48

    49

/**

    50

 *

    51

 * Updates the widgets of a vehicle which contains the order-data

    52

 *

    53

 */

    54

void InvalidateVehicleOrder(const Vehicle *v)

    55

{

    56

	InvalidateWindow(WC_VEHICLE_VIEW,   v->index);

    57

	InvalidateWindow(WC_VEHICLE_ORDERS, v->index);

    58

}

    59

    60

/**

    61

 *

    62

 * Swap two orders

    63

 *

    64

 */

    65

static void SwapOrders(Order *order1, Order *order2)

    66

{

    67

	Order temp_order;

    68

    69

	temp_order = *order1;

    70

	AssignOrder(order1, *order2);

    71

	order1->next = order2->next;

    72

	AssignOrder(order2, temp_order);

    73

	order2->next = temp_order.next;

    74

}

    75

    76

/**

    77

 *

    78

 * Allocate a new order

    79

 *

    80

 * @return Order* if a free space is found, else NULL.

    81

 *

    82

 */

    83

static Order *AllocateOrder(void)

    84

{

    85

	Order *order;

    86

    87

	FOR_ALL_ORDERS(order) {

    88

		if (order->type == OT_NOTHING) {

    89

			uint index = order->index;

    90

			memset(order, 0, sizeof(Order));

    91

			order->index = index;

    92

			order->next = NULL;

    93

			return order;

    94

		}

    95

	}

    96

    97

	return NULL;

    98

}

    99

   100

/**

   101

 *

   102

 * Assign data to an order (from an other order)

   103

 *   This function makes sure that the index is maintained correctly

   104

 *

   105

 */

   106

void AssignOrder(Order *order, Order data)

   107

{

   108

	order->type    = data.type;

   109

	order->flags   = data.flags;

   110

	order->station = data.station;

   111

}

   112

   113

/**

   114

 *

   115

 * Add an order to the orderlist of a vehicle

   116

 *

   117

 * @param veh_sel      First 16 bits are the ID of the vehicle. The next 16 are the selected order (if any)

   118

 *                       If the lastone is given, order will be inserted above thatone

   119

 * @param packed_order Packed order to insert

   120

 *

   121

 */

   122

int32 CmdInsertOrder(int x, int y, uint32 flags, uint32 veh_sel, uint32 packed_order)

   123

{

   124

	Vehicle *v      = GetVehicle(veh_sel & 0xFFFF);

   125

	int sel         = veh_sel >> 16;

   126

	Order new_order = UnpackOrder(packed_order);

   127

   128

	if (sel > v->num_orders)

   129

		return_cmd_error(STR_EMPTY);

   130

   131

	if (IsOrderPoolFull())

   132

		return_cmd_error(STR_8831_NO_MORE_SPACE_FOR_ORDERS);

   133

   134

	/* XXX - This limit is only here because the backuppedorders can't

   135

	    handle any more then this.. */

   136

	if (v->num_orders >= 40)

   137

		return_cmd_error(STR_8832_TOO_MANY_ORDERS);

   138

   139

	/* For ships, make sure that the station is not too far away from the

   140

	 * previous destination, for human players with new pathfinding disabled */

   141

	if (v->type == VEH_Ship && IS_HUMAN_PLAYER(v->owner) &&

   142

		sel != 0 && GetVehicleOrder(v, sel - 1)->type == OT_GOTO_STATION

   143

		&& !_patches.new_pathfinding_all) {

   144

   145

		int dist = DistanceManhattan(

   146

			GetStation(GetVehicleOrder(v, sel - 1)->station)->xy,

   147

			GetStation(new_order.station)->xy

   148

		);

   149

		if (dist >= 130)

   150

			return_cmd_error(STR_0210_TOO_FAR_FROM_PREVIOUS_DESTINATIO);

   151

	}

   152

   153

	if (flags & DC_EXEC) {

   154

		Order *new;

   155

		Vehicle *u;

   156

   157

		new = AllocateOrder();

   158

		AssignOrder(new, new_order);

   159

   160

		/* Create new order and link in list */

   161

		if (v->orders == NULL) {

   162

			v->orders = new;

   163

		} else {

   164

			/* Try to get the previous item (we are inserting above the

   165

			    selected) */

   166

			Order *order = GetVehicleOrder(v, sel - 1);

   167

   168

			if (order == NULL && GetVehicleOrder(v, sel) != NULL) {

   169

				/* There is no previous item, so we are altering v->orders itself

   170

				    But because the orders can be shared, we copy the info over

   171

				    the v->orders, so we don't have to change the pointers of

   172

				    all vehicles */

   173

				SwapOrders(v->orders, new);

   174

				/* Now update the next pointers */

   175

				v->orders->next = new;

   176

			} else if (order == NULL) {

   177

				/* 'sel' is a non-existing order, add him to the end */

   178

				order = GetLastVehicleOrder(v);

   179

				order->next = new;

   180

			} else {

   181

				/* Put the new order in between */

   182

				new->next = order->next;

   183

				order->next = new;

   184

			}

   185

		}

   186

   187

		u = GetFirstVehicleFromSharedList(v);

   188

		while (u != NULL) {

   189

			/* Increase amount of orders */

   190

			u->num_orders++;

   191

   192

			/* If the orderlist was empty, assign it */

   193

			if (u->orders == NULL)

   194

				u->orders = v->orders;

   195

   196

			assert(v->orders == u->orders);

   197

   198

			/* If there is added an order before the current one, we need

   199

			to update the selected order */

   200

			if (sel <= u->cur_order_index) {

   201

				uint cur = u->cur_order_index + 1;

   202

				/* Check if we don't go out of bound */

   203

				if (cur < u->num_orders)

   204

					u->cur_order_index = cur;

   205

			}

   206

			/* Update any possible open window of the vehicle */

   207

			InvalidateVehicleOrder(u);

   208

   209

			u = u->next_shared;

   210

		}

   211

   212

		/* Make sure to rebuild the whole list */

   213

		RebuildVehicleLists();

   214

	}

   215

   216

	return 0;

   217

}

   218

   219

/**

   220

 *

   221

 * Declone an order-list

   222

 *

   223

 */

   224

static int32 DecloneOrder(Vehicle *dst, uint32 flags)

   225

{

   226

	if (flags & DC_EXEC) {

   227

		/* Delete orders from vehicle */

   228

		DeleteVehicleOrders(dst);

   229

   230

		InvalidateVehicleOrder(dst);

   231

		RebuildVehicleLists();

   232

	}

   233

	return 0;

   234

}

   235

   236

/**

   237

 *

   238

 * Delete an order from the orderlist of a vehicle

   239

 *

   240

 * @param vehicle_id The ID of the vehicle

   241

 * @param selected   The order to delete

   242

 *

   243

 */

   244

int32 CmdDeleteOrder(int x, int y, uint32 flags, uint32 vehicle_id, uint32 selected)

   245

{

   246

	Vehicle *v = GetVehicle(vehicle_id), *u;

   247

	uint sel   = selected;

   248

	Order *order;

   249

   250

	/* XXX -- Why is this here? :s */

   251

	_error_message = STR_EMPTY;

   252

   253

	/* If we did not select an order, we maybe want to de-clone the orders */

   254

	if (sel >= v->num_orders)

   255

		return DecloneOrder(v, flags);

   256

   257

	order = GetVehicleOrder(v, sel);

   258

	if (order == NULL)

   259

		return CMD_ERROR;

   260

   261

	if (flags & DC_EXEC) {

   262

		if (GetVehicleOrder(v, sel - 1) == NULL) {

   263

			if (GetVehicleOrder(v, sel + 1) != NULL) {

   264

				/* First item, but not the last, so we need to alter v->orders

   265

				    Because we can have shared order, we copy the data

   266

				    from the next item over the deleted */

   267

				order = GetVehicleOrder(v, sel + 1);

   268

				SwapOrders(v->orders, order);

   269

			} else {

   270

				/* Last item, so clean the list */

   271

				v->orders = NULL;

   272

			}

   273

		} else {

   274

			GetVehicleOrder(v, sel - 1)->next = order->next;

   275

		}

   276

   277

		/* Give the item free */

   278

		order->type = OT_NOTHING;

   279

		order->next = NULL;

   280

   281

		u = GetFirstVehicleFromSharedList(v);

   282

		while (u != NULL) {

   283

			u->num_orders--;

   284

   285

			if (sel < u->cur_order_index)

   286

				u->cur_order_index--;

   287

   288

			/* If we removed the last order, make sure the shared vehicles

   289

			    also set their orders to NULL */

   290

			if (v->orders == NULL)

   291

				u->orders = NULL;

   292

   293

			assert(v->orders == u->orders);

   294

   295

			/* NON-stop flag is misused to see if a train is in a station that is

   296

			    on his order list or not */

   297

			if (sel == u->cur_order_index &&

   298

					u->current_order.type == OT_LOADING &&

   299

					HASBIT(u->current_order.flags, OFB_NON_STOP)) {

   300

				u->current_order.flags = 0;

   301

			}

   302

   303

			/* Update any possible open window of the vehicle */

   304

			InvalidateVehicleOrder(u);

   305

   306

			u = u->next_shared;

   307

		}

   308

   309

		RebuildVehicleLists();

   310

	}

   311

   312

	return 0;

   313

}

   314

   315

/**

   316

 *

   317

 * Goto next order of order-list

   318

 *

   319

 * @param vehicle_id The ID of the vehicle

   320

 *

   321

 */

   322

int32 CmdSkipOrder(int x, int y, uint32 flags, uint32 vehicle_id, uint32 not_used)

   323

{

   324

	Vehicle *v = GetVehicle(vehicle_id);

   325

   326

	if (flags & DC_EXEC) {

   327

		/* Goto next order */

   328

		{

   329

			byte b = v->cur_order_index + 1;

   330

			if (b >= v->num_orders)

   331

				b = 0;

   332

   333

			v->cur_order_index = b;

   334

   335

			if (v->type == VEH_Train)

   336

				v->u.rail.days_since_order_progr = 0;

   337

   338

			if (v->type == VEH_Road && v->u.road.slot != NULL) {

   339

				//Clear the slot

   340

				v->u.road.slot->slot[v->u.road.slotindex] = 0;

   341

				v->u.road.slot = NULL;

   342

			}

   343

		}

   344

   345

		/* NON-stop flag is misused to see if a train is in a station that is

   346

		    on his order list or not */

   347

		if (v->current_order.type == OT_LOADING &&

   348

				HASBIT(v->current_order.flags, OFB_NON_STOP)) {

   349

			v->current_order.flags = 0;

   350

		}

   351

   352

		InvalidateVehicleOrder(v);

   353

	}

   354

   355

	/* We have an aircraft/ship, they have a mini-schedule, so update them all */

   356

	if (v->type == VEH_Aircraft) InvalidateWindowClasses(WC_AIRCRAFT_LIST);

   357

	if (v->type == VEH_Ship) InvalidateWindowClasses(WC_SHIPS_LIST);

   358

   359

	return 0;

   360

}

   361

   362

   363

/**

   364

 *

   365

 * Add an order to the orderlist of a vehicle

   366

 *

   367

 * @param veh_sel      First 16 bits are the ID of the vehicle. The next 16 are the selected order (if any)

   368

 *                       If the lastone is given, order will be inserted above thatone

   369

 * @param mode         Mode to change the order to

   370

 *

   371

 */

   372

int32 CmdModifyOrder(int x, int y, uint32 flags, uint32 veh_sel, uint32 mode)

   373

{

   374

	Vehicle *v = GetVehicle(veh_sel & 0xFFFF);

   375

	byte sel = veh_sel >> 16;

   376

	Order *order;

   377

   378

	/* Is it a valid order? */

   379

	if (sel >= v->num_orders)

   380

		return CMD_ERROR;

   381

   382

	order = GetVehicleOrder(v, sel);

   383

	if (order->type != OT_GOTO_STATION &&

   384

			(order->type != OT_GOTO_DEPOT || mode == OFB_UNLOAD) &&

   385

			(order->type != OT_GOTO_WAYPOINT || mode != OFB_NON_STOP))

   386

		return CMD_ERROR;

   387

   388

	if (flags & DC_EXEC) {

   389

		switch (mode) {

   390

		case OFB_FULL_LOAD:

   391

			TOGGLEBIT(order->flags, OFB_FULL_LOAD);

   392

			if (order->type != OT_GOTO_DEPOT)

   393

				CLRBIT(order->flags, OFB_UNLOAD);

   394

			break;

   395

		case OFB_UNLOAD:

   396

			TOGGLEBIT(order->flags, OFB_UNLOAD);

   397

			CLRBIT(order->flags, OFB_FULL_LOAD);

   398

			break;

   399

		case OFB_NON_STOP:

   400

			TOGGLEBIT(order->flags, OFB_NON_STOP);

   401

			break;

   402

		}

   403

   404

		/* Update the windows, also for vehicles that share the same order list */

   405

		{

   406

			Vehicle *u = GetFirstVehicleFromSharedList(v);

   407

			while (u != NULL) {

   408

				InvalidateVehicleOrder(u);

   409

				u = u->next_shared;

   410

			}

   411

		}

   412

	}

   413

   414

	return 0;

   415

}

   416

   417

/**

   418

 *

   419

 * Clone/share/copy an order-list of an other vehicle

   420

 *

   421

 * @param veh1_veh2 First 16 bits are of destination vehicle, last 16 of source vehicle

   422

 * @param mode      Mode of cloning (CO_SHARE, CO_COPY, CO_UNSHARE)

   423

 *

   424

 */

   425

int32 CmdCloneOrder(int x, int y, uint32 flags, uint32 veh1_veh2, uint32 mode)

   426

{

   427

	Vehicle *dst = GetVehicle(veh1_veh2 & 0xFFFF);

   428

   429

	if (dst->type == 0 || dst->owner != _current_player)

   430

		return CMD_ERROR;

   431

   432

	switch(mode) {

   433

		case CO_SHARE: {

   434

			Vehicle *src = GetVehicle(veh1_veh2 >> 16);

   435

   436

			/* Sanity checks */

   437

			if (src->type == 0 || src->owner != _current_player || dst->type != src->type || dst == src)

   438

				return CMD_ERROR;

   439

   440

			/* Trucks can't share orders with busses (and visa versa) */

   441

			if (src->type == VEH_Road) {

   442

				if (src->cargo_type != dst->cargo_type && (src->cargo_type == CT_PASSENGERS || dst->cargo_type == CT_PASSENGERS))

   443

					return CMD_ERROR;

   444

			}

   445

   446

			/* Is the vehicle already in the shared list? */

   447

			{

   448

				Vehicle *u = GetFirstVehicleFromSharedList(src);

   449

				while (u != NULL) {

   450

					if (u == dst)

   451

						return CMD_ERROR;

   452

					u = u->next_shared;

   453

				}

   454

			}

   455

   456

			if (flags & DC_EXEC) {

   457

				/* If the destination vehicle had a OrderList, destroy it */

   458

				DeleteVehicleOrders(dst);

   459

   460

				dst->orders = src->orders;

   461

				dst->num_orders = src->num_orders;

   462

   463

				/* Link this vehicle in the shared-list */

   464

				dst->next_shared = src->next_shared;

   465

				dst->prev_shared = src;

   466

				if (src->next_shared != NULL)

   467

					src->next_shared->prev_shared = dst;

   468

				src->next_shared = dst;

   469

   470

				InvalidateVehicleOrder(dst);

   471

				InvalidateVehicleOrder(src);

   472

   473

				RebuildVehicleLists();

   474

			}

   475

		} break;

   476

   477

		case CO_COPY: {

   478

			Vehicle *src = GetVehicle(veh1_veh2 >> 16);

   479

			int delta;

   480

   481

			/* Sanity checks */

   482

			if (src->type == 0 || src->owner != _current_player || dst->type != src->type || dst == src)

   483

				return CMD_ERROR;

   484

   485

			/* Trucks can't copy all the orders from busses (and visa versa) */

   486

			if (src->type == VEH_Road) {

   487

				const Order *order;

   488

				TileIndex required_dst = INVALID_TILE;

   489

   490

				FOR_VEHICLE_ORDERS(src, order) {

   491

					if (order->type == OT_GOTO_STATION) {

   492

						const Station *st = GetStation(order->station);

   493

						if (dst->cargo_type == CT_PASSENGERS) {