1

/* $Id$ */

     2

     3

/** @file depot_gui.cpp The GUI for depots. */

     4

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#include "stdafx.h"

     6

#include "openttd.h"

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#include "train.h"

     8

#include "roadveh.h"

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#include "ship.h"

    10

#include "aircraft.h"

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#include "gui.h"

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#include "textbuf_gui.h"

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#include "viewport_func.h"

    14

#include "gfx_func.h"

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#include "command_func.h"

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#include "depot_base.h"

    17

#include "vehicle_gui.h"

    18

#include "station_map.h"

    19

#include "newgrf_engine.h"

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#include "spritecache.h"

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#include "strings_func.h"

    22

#include "window_func.h"

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#include "vehicle_func.h"

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#include "player_func.h"

    25

#include "order_func.h"

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#include "depot_base.h"

    27

#include "tilehighlight_func.h"

    29

    30

#include "table/strings.h"

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#include "table/sprites.h"

    32

    33

/*

    34

 * Since all depot window sizes aren't the same, we need to modify sizes a little.

    35

 * It's done with the following arrays of widget indexes. Each of them tells if a widget side should be moved and in what direction.

    36

 * How long they should be moved and for what window types are controlled in ShowDepotWindow()

    37

 */

    38

    39

/* Names of the widgets. Keep them in the same order as in the widget array */

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enum DepotWindowWidgets {

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	DEPOT_WIDGET_CLOSEBOX = 0,

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	DEPOT_WIDGET_CAPTION,

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	DEPOT_WIDGET_STICKY,

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	DEPOT_WIDGET_SELL,

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	DEPOT_WIDGET_SELL_CHAIN,

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	DEPOT_WIDGET_SELL_ALL,

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	DEPOT_WIDGET_AUTOREPLACE,

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	DEPOT_WIDGET_MATRIX,

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	DEPOT_WIDGET_V_SCROLL, ///< Vertical scrollbar

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	DEPOT_WIDGET_H_SCROLL, ///< Horizontal scrollbar

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	DEPOT_WIDGET_BUILD,

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	DEPOT_WIDGET_CLONE,

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	DEPOT_WIDGET_LOCATION,

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	DEPOT_WIDGET_VEHICLE_LIST,

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	DEPOT_WIDGET_STOP_ALL,

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	DEPOT_WIDGET_START_ALL,

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	DEPOT_WIDGET_RESIZE,

    58

};

    59

    60

/* Widget array for all depot windows.

    61

 * If a widget is needed in some windows only (like train specific), add it for all windows

    62

 * and use HideWindowWidget in ShowDepotWindow() to remove it in the windows where it should not be

    63

 * Keep the widget numbers in sync with the enum or really bad stuff will happen!!! */

    64

    65

/* When adding widgets, place them as you would place them for the ship depot and define how you want it to move in widget_moves[]

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 * If you want a widget for one window only, set it to be hidden in ShowDepotWindow() for the windows where you don't want it

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 * NOTE: the train only widgets are moved/resized in ShowDepotWindow() so they follow certain other widgets if they are moved to ensure that they stick together.

    68

 *    Changing the size of those here will not have an effect at all. It should be done in ShowDepotWindow()

    69

 */

    70

    71

/*

    72

 * Some of the widgets are placed outside the window (negative coordinates).

    73

 * The reason is that they are placed relatively to the matrix and the matrix is just one pixel (in 0, 14).

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 * The matrix and the rest of the window will be resized when the size of the boxes is set and then all the widgets will be inside the window.

    75

 */

    76

static const Widget _depot_widgets[] = {

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	{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,            STR_018B_CLOSE_WINDOW},            // DEPOT_WIDGET_CLOSEBOX

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	{    WWT_CAPTION,  RESIZE_RIGHT,    14,    11,    23,     0,    13, 0x0,                 STR_018C_WINDOW_TITLE_DRAG_THIS},  // DEPOT_WIDGET_CAPTION

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	{  WWT_STICKYBOX,     RESIZE_LR,    14,    24,    35,     0,    13, 0x0,                 STR_STICKY_BUTTON},                // DEPOT_WIDGET_STICKY

    80

    81

	/* Widgets are set up run-time */

    82

	{     WWT_IMGBTN,    RESIZE_LRB,    14,     1,    23,    14,   -32, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_SELL

    83

	{     WWT_IMGBTN,   RESIZE_LRTB,    14,     1,    23,   -55,   -32, SPR_SELL_CHAIN_TRAIN,STR_DRAG_WHOLE_TRAIN_TO_SELL_TIP}, // DEPOT_WIDGET_SELL_CHAIN, trains only

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	{ WWT_PUSHIMGBTN,   RESIZE_LRTB,    14,     1,    23,   -31,    -9, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_SELL_ALL

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	{ WWT_PUSHIMGBTN,   RESIZE_LRTB,    14,     1,    23,    -8,    14, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_AUTOREPLACE

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    87

	{     WWT_MATRIX,     RESIZE_RB,    14,     0,     0,    14,    14, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_MATRIX

    88

	{  WWT_SCROLLBAR,    RESIZE_LRB,    14,    24,    35,    14,    14, 0x0,                 STR_0190_SCROLL_BAR_SCROLLS_LIST}, // DEPOT_WIDGET_V_SCROLL

    89

    90

	{ WWT_HSCROLLBAR,    RESIZE_RTB,    14,     0,     0,     3,    14, 0x0,                 STR_HSCROLL_BAR_SCROLLS_LIST},     // DEPOT_WIDGET_H_SCROLL, trains only

    91

    92

	/* The buttons in the bottom of the window. left and right is not important as they are later resized to be equal in size

    93

	 * This calculation is based on right in DEPOT_WIDGET_LOCATION and it presumes left of DEPOT_WIDGET_BUILD is 0            */

    94

	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,     0,    15,    26, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_BUILD

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	{    WWT_TEXTBTN,     RESIZE_TB,    14,     0,     0,    15,    26, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_CLONE

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	{ WWT_PUSHTXTBTN,    RESIZE_RTB,    14,     0,   -12,    15,    26, STR_00E4_LOCATION,   STR_NULL},                         // DEPOT_WIDGET_LOCATION

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	{ WWT_PUSHTXTBTN,   RESIZE_LRTB,    14,   -11,     0,    15,    26, 0x0,                 STR_NULL},                         // DEPOT_WIDGET_VEHICLE_LIST

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	{ WWT_PUSHIMGBTN,   RESIZE_LRTB,    14,     1,    11,    15,    26, SPR_FLAG_VEH_STOPPED,STR_NULL},                         // DEPOT_WIDGET_STOP_ALL

    99

	{ WWT_PUSHIMGBTN,   RESIZE_LRTB,    14,    12,    23,    15,    26, SPR_FLAG_VEH_RUNNING,STR_NULL},                         // DEPOT_WIDGET_START_ALL

   100

	{  WWT_RESIZEBOX,   RESIZE_LRTB,    14,    24,    35,    15,    26, 0x0,                 STR_RESIZE_BUTTON},                // DEPOT_WIDGET_RESIZE

   101

	{   WIDGETS_END},

   102

};

   103

   104

   105

static const WindowDesc _train_depot_desc = {

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	WDP_AUTO, WDP_AUTO, 36, 27, 36, 27,

   107

	WC_VEHICLE_DEPOT, WC_NONE,

   108

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,

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	_depot_widgets,

   110

	NULL

   111

};

   112

   113

static const WindowDesc _road_depot_desc = {

   114

	WDP_AUTO, WDP_AUTO, 36, 27, 36, 27,

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	WC_VEHICLE_DEPOT, WC_NONE,

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	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,

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	_depot_widgets,

   118

	NULL

   119

};

   120

   121

static const WindowDesc _ship_depot_desc = {

   122

	WDP_AUTO, WDP_AUTO, 36, 27, 36, 27,

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	WC_VEHICLE_DEPOT, WC_NONE,

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	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,

   125

	_depot_widgets,

   126

	NULL

   127

};

   128

   129

static const WindowDesc _aircraft_depot_desc = {

   130

	WDP_AUTO, WDP_AUTO, 36, 27, 36, 27,

   131

	WC_VEHICLE_DEPOT, WC_NONE,

   132

	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,

   133

	_depot_widgets,

   134

	NULL

   135

};

   136

   137

extern int WagonLengthToPixels(int len);

   138

extern void DepotSortList(Vehicle **v, uint16 length);

   139

   140

/**

   141

 * This is the Callback method after the cloning attempt of a vehicle

   142

 * @param success indicates completion (or not) of the operation

   143

 * @param tile unused

   144

 * @param p1 unused

   145

 * @param p2 unused

   146

 */

   147

void CcCloneVehicle(bool success, TileIndex tile, uint32 p1, uint32 p2)

   148

{

   149

	if (!success) return;

   150

   151

	Vehicle *v = GetVehicle(_new_vehicle_id);

   152

   153

	ShowVehicleViewWindow(v);

   154

}

   155

   156

static void TrainDepotMoveVehicle(Vehicle *wagon, VehicleID sel, Vehicle *head)

   157

{

   158

	Vehicle *v;

   159

   160

	v = GetVehicle(sel);

   161

   162

	if (v == wagon) return;

   163

   164

	if (wagon == NULL) {

   165

		if (head != NULL) wagon = GetLastVehicleInChain(head);

   166

	} else  {

   167

		wagon = wagon->Previous();

   168

		if (wagon == NULL) return;

   169

	}

   170

   171

	if (wagon == v) return;

   172

   173

	DoCommandP(v->tile, v->index + ((wagon == NULL ? INVALID_VEHICLE : wagon->index) << 16), _ctrl_pressed ? 1 : 0, NULL, CMD_MOVE_RAIL_VEHICLE | CMD_MSG(STR_8837_CAN_T_MOVE_VEHICLE));

   174

}

   175

   176

/* Array to hold the block sizes

   177

 * First part is the vehicle type, while the last is 0 = x, 1 = y */

   178

uint _block_sizes[4][2];

   179

   180

/* Array to hold the default resize capacities

   181

* First part is the vehicle type, while the last is 0 = x, 1 = y */

   182

const uint _resize_cap[][2] = {

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/* VEH_TRAIN */    {6, 10 * 29},

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/* VEH_ROAD */     {5, 5},

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/* VEH_SHIP */     {3, 3},

   186

/* VEH_AIRCRAFT */ {3, 4},

   187

};

   188

   189

static void ResizeDefaultWindowSizeForTrains()

   190

{

   191

	_block_sizes[VEH_TRAIN][0] = 1;

   192

	_block_sizes[VEH_TRAIN][1] = GetVehicleListHeight(VEH_TRAIN);

   193

}

   194

   195

static void ResizeDefaultWindowSizeForRoadVehicles()

   196

{

   197

	_block_sizes[VEH_ROAD][0] = 56;

   198

	_block_sizes[VEH_ROAD][1] = GetVehicleListHeight(VEH_ROAD);

   199

}

   200

   201

static void ResizeDefaultWindowSize(VehicleType type)

   202

{

   203

	uint max_width  = 0;

   204

	uint max_height = 0;

   205

   206

	const Engine *e;

   207

	FOR_ALL_ENGINES_OF_TYPE(e, type) {

   208

		EngineID eid = e->index;

   209

		uint x, y;

   210

   211

		switch (type) {

   212

			default: NOT_REACHED();

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			case VEH_SHIP:     GetShipSpriteSize(    eid, x, y); break;

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			case VEH_AIRCRAFT: GetAircraftSpriteSize(eid, x, y); break;

   215

		}

   216

		if (x > max_width)  max_width  = x;

   217

		if (y > max_height) max_height = y;

   218

	}

   219

   220

	switch (type) {

   221

		default: NOT_REACHED();

   222

		case VEH_SHIP:

   223

			_block_sizes[VEH_SHIP][0] = max(90U, max_width + 20); // we need 20 pixels from the right edge to the sprite

   224

			break;

   225

		case VEH_AIRCRAFT:

   226

			_block_sizes[VEH_AIRCRAFT][0] = max(74U, max_width);

   227

			break;

   228

	}

   229

	_block_sizes[type][1] = max(GetVehicleListHeight(type), max_height);

   230

}

   231

   232

/* Set the size of the blocks in the window so we can be sure that they are big enough for the vehicle sprites in the current game

   233

 * We will only need to call this once for each game */

   234

void InitDepotWindowBlockSizes()

   235

{

   236

	ResizeDefaultWindowSizeForTrains();

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	ResizeDefaultWindowSizeForRoadVehicles();

   238

	ResizeDefaultWindowSize(VEH_SHIP);

   239

	ResizeDefaultWindowSize(VEH_AIRCRAFT);

   240

}

   241

   242

static void DepotSellAllConfirmationCallback(Window *w, bool confirmed);

   243

const Sprite *GetAircraftSprite(EngineID engine);

   244

   245

struct DepotWindow : Window {

   246

	VehicleID sel;

   247

	VehicleType type;

   248

	bool generate_list;

   249

	uint16 engine_list_length;

   250

	uint16 wagon_list_length;

   251

	uint16 engine_count;

   252

	uint16 wagon_count;

   253

	Vehicle **vehicle_list;

   254

	Vehicle **wagon_list;

   255

   256

	DepotWindow(const WindowDesc *desc, WindowNumber window_number) : Window(desc, window_number)

   257

	{

   258

		this->sel = INVALID_VEHICLE;

   259

		this->vehicle_list  = NULL;

   260

		this->wagon_list    = NULL;

   261

		this->engine_count  = 0;

   262

		this->wagon_count   = 0;

   263

		this->generate_list = true;

   264

   265

		this->FindWindowPlacementAndResize(desc);

   266

	}

   267

   268

	~DepotWindow()

   269

	{

   270

		DeleteWindowById(WC_BUILD_VEHICLE, this->window_number);

   271

		free((void*)this->vehicle_list);

   272

		free((void*)this->wagon_list);

   273

	}

   274

   275

	/** Draw a vehicle in the depot window in the box with the top left corner at x,y

   276

	* @param *w Window to draw in

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	* @param *v Vehicle to draw

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	* @param x Left side of the box to draw in

   279

	* @param y Top of the box to draw in

   280

	*/

   281

	void DrawVehicleInDepot(Window *w, const Vehicle *v, int x, int y)

   282

	{

   283

		byte diff_x = 0, diff_y = 0;

   284

   285

		int sprite_y = y + this->resize.step_height - GetVehicleListHeight(v->type);

   286

   287

		switch (v->type) {

   288

			case VEH_TRAIN:

   289

				DrawTrainImage(v, x + 21, sprite_y, this->sel, this->hscroll.cap + 4, this->hscroll.pos);

   290

   291

				/* Number of wagons relative to a standard length wagon (rounded up) */

   292

				SetDParam(0, (v->u.rail.cached_total_length + 7) / 8);

   293

				DrawStringRightAligned(this->widget[DEPOT_WIDGET_MATRIX].right - 1, y + 4, STR_TINY_BLACK, TC_FROMSTRING); // Draw the counter

   294

				break;

   295

   296

			case VEH_ROAD:     DrawRoadVehImage( v, x + 24, sprite_y, this->sel, 1); break;

   297

			case VEH_SHIP:     DrawShipImage(    v, x + 19, sprite_y - 1, this->sel); break;

   298

			case VEH_AIRCRAFT: {

   299

				const Sprite *spr = GetSprite(v->GetImage(DIR_W));

   300

				DrawAircraftImage(v, x + 12,

   301

									y + max(spr->height + spr->y_offs - 14, 0), // tall sprites needs an y offset

   302

									this->sel);

   303

			} break;

   304

			default: NOT_REACHED();

   305

		}

   306

   307

		if (this->resize.step_height == 14) {

   308

			/* VEH_TRAIN and VEH_ROAD, which are low */

   309

			diff_x = 15;

   310

		} else {

   311

			/* VEH_SHIP and VEH_AIRCRAFT, which are tall */

   312

			diff_y = 12;

   313

		}

   314

   315

		DrawSprite((v->vehstatus & VS_STOPPED) ? SPR_FLAG_VEH_STOPPED : SPR_FLAG_VEH_RUNNING, PAL_NONE, x + diff_x, y + diff_y);

   316

   317

		SetDParam(0, v->unitnumber);

   318

		DrawString(x, y + 2, (uint16)(v->max_age - 366) >= v->age ? STR_00E2 : STR_00E3, TC_FROMSTRING);

   319

	}

   320

   321

	void DrawDepotWindow(Window *w)

   322

	{

   323

		Vehicle **vl = this->vehicle_list;

   324

		TileIndex tile = this->window_number;

   325

		int x, y, i, maxval;

   326

		uint16 hnum;

   327

		uint16 num = this->engine_count;

   328

   329

		/* Set the row and number of boxes in each row based on the number of boxes drawn in the matrix */

   330

		uint16 rows_in_display   = this->widget[DEPOT_WIDGET_MATRIX].data >> 8;

   331

		uint16 boxes_in_each_row = this->widget[DEPOT_WIDGET_MATRIX].data & 0xFF;

   332

   333

		/* setup disabled buttons */

   334

		this->SetWidgetsDisabledState(!IsTileOwner(tile, _local_player),

   335

			DEPOT_WIDGET_STOP_ALL,

   336

			DEPOT_WIDGET_START_ALL,

   337

			DEPOT_WIDGET_SELL,

   338

			DEPOT_WIDGET_SELL_CHAIN,

   339

			DEPOT_WIDGET_SELL_ALL,

   340

			DEPOT_WIDGET_BUILD,

   341

			DEPOT_WIDGET_CLONE,

   342

			DEPOT_WIDGET_AUTOREPLACE,

   343

			WIDGET_LIST_END);

   344

   345

		/* determine amount of items for scroller */

   346

		if (this->type == VEH_TRAIN) {

   347

			hnum = 8;

   348

			for (num = 0; num < this->engine_count; num++) {

   349

				const Vehicle *v = vl[num];

   350

				hnum = max(hnum, v->u.rail.cached_total_length);

   351

			}

   352

			/* Always have 1 empty row, so people can change the setting of the train */

   353

			SetVScrollCount(w, this->engine_count + this->wagon_count + 1);

   354

			SetHScrollCount(w, WagonLengthToPixels(hnum));

   355

		} else {

   356

			SetVScrollCount(w, (num + this->hscroll.cap - 1) / this->hscroll.cap);

   357

		}

   358

   359

		/* locate the depot struct */

   360

		if (this->type == VEH_AIRCRAFT) {

   361

			SetDParam(0, GetStationIndex(tile)); // Airport name

   362

		} else {

   363

			Depot *depot = GetDepotByTile(tile);

   364

			assert(depot != NULL);

   365

   366

			SetDParam(0, depot->town_index);

   367

		}

   368

   369

		w->DrawWidgets();

   370

   371

		num = this->vscroll.pos * boxes_in_each_row;

   372

		maxval = min(this->engine_count, num + (rows_in_display * boxes_in_each_row));

   373

   374

		for (x = 2, y = 15; num < maxval; y += this->resize.step_height, x = 2) { // Draw the rows

   375

			byte i;

   376

   377

			for (i = 0; i < boxes_in_each_row && num < maxval; i++, num++, x += this->resize.step_width) {

   378

				/* Draw all vehicles in the current row */

   379

				const Vehicle *v = vl[num];

   380

				DrawVehicleInDepot(w, v, x, y);

   381

			}

   382

		}

   383

   384

		maxval = min(this->engine_count + this->wagon_count, (this->vscroll.pos * boxes_in_each_row) + (rows_in_display * boxes_in_each_row));

   385

   386

		/* draw the train wagons, that do not have an engine in front */

   387

		for (; num < maxval; num++, y += 14) {

   388

			const Vehicle *v = this->wagon_list[num - this->engine_count];

   389

			const Vehicle *u;

   390

   391

			DrawTrainImage(v, x + 50, y, this->sel, this->hscroll.cap - 29, 0);

   392

			DrawString(x, y + 2, STR_8816, TC_FROMSTRING);

   393

   394

			/*Draw the train counter */

   395

			i = 0;

   396

			u = v;

   397

			do i++; while ((u = u->Next()) != NULL); // Determine length of train

   398

			SetDParam(0, i);                      // Set the counter

   399

			DrawStringRightAligned(this->widget[DEPOT_WIDGET_MATRIX].right - 1, y + 4, STR_TINY_BLACK, TC_FROMSTRING); // Draw the counter

   400

		}

   401

	}

   402

   403

	struct GetDepotVehiclePtData {

   404

		Vehicle *head;

   405

		Vehicle *wagon;

   406

	};

   407

   408

	enum DepotGUIAction {

   409

		MODE_ERROR,

   410

		MODE_DRAG_VEHICLE,

   411

		MODE_SHOW_VEHICLE,

   412

		MODE_START_STOP,

   413

	};

   414

   415

	DepotGUIAction GetVehicleFromDepotWndPt(int x, int y, Vehicle **veh, GetDepotVehiclePtData *d) const

   416

	{

   417

		Vehicle **vl = this->vehicle_list;

   418

		uint xt, row, xm = 0, ym = 0;

   419

		int pos, skip = 0;

   420

		uint16 boxes_in_each_row = this->widget[DEPOT_WIDGET_MATRIX].data & 0xFF;

   421

   422

		if (this->type == VEH_TRAIN) {

   423

			xt = 0;

   424

			x -= 23;

   425

		} else {

   426

			xt = x / this->resize.step_width;

   427

			xm = x % this->resize.step_width;

   428

			if (xt >= this->hscroll.cap) return MODE_ERROR;

   429

   430

			ym = (y - 14) % this->resize.step_height;

   431

		}

   432

   433

		row = (y - 14) / this->resize.step_height;

   434

		if (row >= this->vscroll.cap) return MODE_ERROR;

   435

   436

		pos = ((row + this->vscroll.pos) * boxes_in_each_row) + xt;

   437

   438

		if (this->engine_count + this->wagon_count <= pos) {

   439

			if (this->type == VEH_TRAIN) {

   440

				d->head  = NULL;

   441

				d->wagon = NULL;

   442

				return MODE_DRAG_VEHICLE;

   443

			} else {

   444

				return MODE_ERROR; // empty block, so no vehicle is selected

   445

			}

   446

		}

   447

   448

		if (this->engine_count > pos) {

   449

			*veh = vl[pos];

   450

			skip = this->hscroll.pos;

   451

		} else {

   452

			vl = this->wagon_list;

   453

			pos -= this->engine_count;

   454

			*veh = vl[pos];

   455

			/* free wagons don't have an initial loco. */

   456

			x -= _traininfo_vehicle_width;

   457

		}

   458

   459

		switch (this->type) {

   460

			case VEH_TRAIN: {

   461

				Vehicle *v = *veh;

   462

				d->head = d->wagon = v;

   463

   464

				/* either pressed the flag or the number, but only when it's a loco */

   465

				if (x < 0 && IsFrontEngine(v)) return (x >= -10) ? MODE_START_STOP : MODE_SHOW_VEHICLE;

   466

   467

				skip = (skip * 8) / _traininfo_vehicle_width;

   468

				x = (x * 8) / _traininfo_vehicle_width;

   469

   470

				/* Skip vehicles that are scrolled off the list */

   471

				x += skip;

   472

   473

				/* find the vehicle in this row that was clicked */

   474

				while (v != NULL && (x -= v->u.rail.cached_veh_length) >= 0) v = v->Next();

   475

   476

				/* if an articulated part was selected, find its parent */

   477

				while (v != NULL && IsArticulatedPart(v)) v = v->Previous();

   478

   479

				d->wagon = v;

   480

   481

				return MODE_DRAG_VEHICLE;

   482

				}

   483

				break;

   484

   485

			case VEH_ROAD:

   486

				if (xm >= 24) return MODE_DRAG_VEHICLE;

   487

				if (xm <= 16) return MODE_SHOW_VEHICLE;

   488

				break;

   489

   490

			case VEH_SHIP:

   491

				if (xm >= 19) return MODE_DRAG_VEHICLE;

   492

				if (ym <= 10) return MODE_SHOW_VEHICLE;

   493

				break;