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/* $Id$ */

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#include "stdafx.h"

     4

#include "openttd.h"

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#include "aircraft.h"

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#include "debug.h"

     7

#include "functions.h"

     8

#include "table/sprites.h"

     9

#include "table/strings.h"

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#include "window.h"

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#include "gui.h"

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#include "vehicle.h"

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#include "gfx.h"

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#include "station.h"

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#include "command.h"

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#include "engine.h"

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#include "player.h"

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#include "depot.h"

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#include "airport.h"

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#include "vehicle_gui.h"

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#include "newgrf_engine.h"

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#include "date.h"

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#include "strings.h"

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    25

    26

typedef enum BuildVehicleWidgets {

    27

	BUILD_VEHICLE_WIDGET_CLOSEBOX = 0,

    28

	BUILD_VEHICLE_WIDGET_CAPTION,

    29

	BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING,

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	BUILD_VEHICLE_WIDGET_SORT_TEXT,

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	BUILD_VEHICLE_WIDGET_SORT_DROPDOWN,

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	BUILD_VEHICLE_WIDGET_LIST,

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	BUILD_VEHICLE_WIDGET_SCROLLBAR,

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	BUILD_VEHICLE_WIDGET_PANEL,

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	BUILD_VEHICLE_WIDGET_PLANES,

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	BUILD_VEHICLE_WIDGET_JETS,

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	BUILD_VEHICLE_WIDGET_HELICOPTERS,

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	BUILD_VEHICLE_WIDGET_BUILD,

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	BUILD_VEHICLE_WIDGET_RENAME,

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	BUILD_VEHICLE_WIDGET_RESIZE,

    41

} BuildVehicleWidget;

    42

    43

static const Widget _build_vehicle_widgets[] = {

    44

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

    45

	{    WWT_CAPTION,   RESIZE_NONE,    14,    11,   239,     0,    13, STR_A005_NEW_AIRCRAFT,   STR_018C_WINDOW_TITLE_DRAG_THIS },

    46

	{ WWT_PUSHTXTBTN,   RESIZE_NONE,    14,     0,    80,    14,    25, STR_SORT_BY,             STR_SORT_ORDER_TIP},

    47

	{      WWT_PANEL,   RESIZE_NONE,    14,    81,   227,    14,    25, 0x0,                     STR_SORT_CRITERIA_TIP},

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	{    WWT_TEXTBTN,   RESIZE_NONE,    14,   228,   239,    14,    25, STR_0225,                STR_SORT_CRITERIA_TIP},

    49

	{     WWT_MATRIX, RESIZE_BOTTOM,    14,     0,   227,    26,   121, 0x401,                   STR_A025_AIRCRAFT_SELECTION_LIST },

    50

	{  WWT_SCROLLBAR, RESIZE_BOTTOM,    14,   228,   239,    26,   121, 0x0,                     STR_0190_SCROLL_BAR_SCROLLS_LIST },

    51

	{     WWT_IMGBTN,     RESIZE_TB,    14,     0,   239,   122,   193, 0x0,                     STR_NULL },

    52

    53

	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,    79,   194,   205, STR_BLACK_PLANES,        STR_BUILD_PLANES_TIP },

    54

	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,    80,   159,   194,   205, STR_BLACK_JETS,          STR_BUILD_JETS_TIP },

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	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   160,   239,   194,   205, STR_BLACK_HELICOPTERS,   STR_BUILD_HELICOPTERS_TIP },

    56

    57

	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   114,   206,   217, STR_A006_BUILD_AIRCRAFT, STR_A026_BUILD_THE_HIGHLIGHTED_AIRCRAFT },

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	{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   115,   227,   206,   217, STR_A037_RENAME,         STR_A038_RENAME_AIRCRAFT_TYPE },

    59

	{  WWT_RESIZEBOX,     RESIZE_TB,    14,   228,   239,   206,   217, 0x0,                     STR_RESIZE_BUTTON },

    60

	{   WIDGETS_END},

    61

};

    62

    63

static bool _internal_sort_order; // descending/ascending

    64

static byte _last_sort_criteria = 0;

    65

static bool _last_sort_order = false;

    66

    67

typedef int CDECL VehicleSortListingTypeFunction(const void*, const void*);

    68

    69

static int CDECL EngineNumberSorter(const void *a, const void *b)

    70

{

    71

	const EngineID va = *(const EngineID*)a;

    72

	const EngineID vb = *(const EngineID*)b;

    73

	int r = va - vb;

    74

    75

	return _internal_sort_order ? -r : r;

    76

}

    77

    78

static int CDECL EngineIntroDateSorter(const void *a, const void *b)

    79

{

    80

	const int va = GetEngine(*(const EngineID*)a)->intro_date;

    81

	const int vb = GetEngine(*(const EngineID*)b)->intro_date;

    82

	const int r = va - vb;

    83

    84

	if (r == 0) {

    85

		/* Use EngineID to sort instead since we want consistent sorting */

    86

		return EngineNumberSorter(a, b);

    87

	}

    88

	return _internal_sort_order ? -r : r;

    89

}

    90

    91

static int CDECL EngineNameSorter(const void *a, const void *b)

    92

{

    93

	static EngineID last_engine[2] = { INVALID_ENGINE, INVALID_ENGINE };

    94

	static char     last_name[2][64] = { "\0", "\0" };

    95

    96

	const EngineID va = *(const EngineID*)a;

    97

	const EngineID vb = *(const EngineID*)b;

    98

	int r;

    99

   100

	if (va != last_engine[0]) {

   101

		last_engine[0] = va;

   102

		GetString(last_name[0], GetCustomEngineName(va));

   103

	}

   104

   105

	if (vb != last_engine[1]) {

   106

		last_engine[1] = vb;

   107

		GetString(last_name[1], GetCustomEngineName(vb));

   108

	}

   109

   110

	r = strcmp(last_name[0], last_name[1]); // sort by name

   111

   112

	if (r == 0) {

   113

		/* Use EngineID to sort instead since we want consistent sorting */

   114

		return EngineNumberSorter(a, b);

   115

	}

   116

	return _internal_sort_order ? -r : r;

   117

}

   118

   119

static int CDECL EngineReliabilitySorter(const void *a, const void *b)

   120

{

   121

	const int va = GetEngine(*(const EngineID*)a)->reliability;

   122

	const int vb = GetEngine(*(const EngineID*)b)->reliability;

   123

	const int r = va - vb;

   124

   125

	if (r == 0) {

   126

		/* Use EngineID to sort instead since we want consistent sorting */

   127

		return EngineNumberSorter(a, b);

   128

	}

   129

	return _internal_sort_order ? -r : r;

   130

}

   131

   132

/* Aircraft sorting functions */

   133

   134

static int CDECL AircraftEngineCostSorter(const void *a, const void *b)

   135

{

   136

	const int va = AircraftVehInfo(*(const EngineID*)a)->base_cost;

   137

	const int vb = AircraftVehInfo(*(const EngineID*)b)->base_cost;

   138

	int r = va - vb;

   139

   140

	return _internal_sort_order ? -r : r;

   141

}

   142

   143

static int CDECL AircraftEngineSpeedSorter(const void *a, const void *b)

   144

{

   145

	const int va = AircraftVehInfo(*(const EngineID*)a)->max_speed;

   146

	const int vb = AircraftVehInfo(*(const EngineID*)b)->max_speed;

   147

	const int r = va - vb;

   148

   149

	if (r == 0) {

   150

		/* Use EngineID to sort instead since we want consistent sorting */

   151

		return EngineNumberSorter(a, b);

   152

	}

   153

	return _internal_sort_order ? -r : r;

   154

}

   155

   156

static int CDECL AircraftEngineRunningCostSorter(const void *a, const void *b)

   157

{

   158

	const int va = AircraftVehInfo(*(const EngineID*)a)->running_cost;

   159

	const int vb = AircraftVehInfo(*(const EngineID*)b)->running_cost;

   160

	const int r = va - vb;

   161

   162

	if (r == 0) {

   163

		/* Use EngineID to sort instead since we want consistent sorting */

   164

		return EngineNumberSorter(a, b);

   165

	}

   166

	return _internal_sort_order ? -r : r;

   167

}

   168

   169

static int CDECL AircraftEngineCargoSorter(const void *a, const void *b)

   170

{

   171

	const int va = AircraftVehInfo(*(const EngineID*)a)->passenger_capacity;

   172

	const int vb = AircraftVehInfo(*(const EngineID*)b)->passenger_capacity;

   173

	const int r = va - vb;

   174

   175

	if (r == 0) {

   176

		/* Use EngineID to sort instead since we want consistent sorting */

   177

		return EngineNumberSorter(a, b);

   178

	}

   179

	return _internal_sort_order ? -r : r;

   180

}

   181

   182

static VehicleSortListingTypeFunction* const _aircraft_sorter[] = {

   183

	&EngineNumberSorter,

   184

	&AircraftEngineCostSorter,

   185

	&AircraftEngineSpeedSorter,

   186

	&EngineIntroDateSorter,

   187

	&EngineNameSorter,

   188

	&AircraftEngineRunningCostSorter,

   189

	&EngineReliabilitySorter,

   190

	&AircraftEngineCargoSorter,

   191

};

   192

   193

static const StringID _aircraft_sort_listing[] = {

   194

	STR_ENGINE_SORT_ENGINE_ID,

   195

	STR_ENGINE_SORT_COST,

   196

	STR_SORT_BY_MAX_SPEED,

   197

	STR_ENGINE_SORT_INTRO_DATE,

   198

	STR_SORT_BY_DROPDOWN_NAME,

   199

	STR_ENGINE_SORT_RUNNING_COST,

   200

	STR_SORT_BY_RELIABILITY,

   201

	STR_ENGINE_SORT_CARGO_CAPACITY,

   202

	INVALID_STRING_ID

   203

};

   204

   205

   206

/**

   207

* Draw the purchase info details of an aircraft at a given location.

   208

 * @param x,y location where to draw the info

   209

 * @param engine_number the engine of which to draw the info of

   210

 */

   211

void DrawAircraftPurchaseInfo(int x, int y, EngineID engine_number)

   212

{

   213

	const AircraftVehicleInfo *avi = AircraftVehInfo(engine_number);

   214

	const Engine *e = GetEngine(engine_number);

   215

	CargoID cargo;

   216

	YearMonthDay ymd;

   217

	ConvertDateToYMD(e->intro_date, &ymd);

   218

   219

	/* Purchase cost - Max speed */

   220

	SetDParam(0, avi->base_cost * (_price.aircraft_base>>3)>>5);

   221

	SetDParam(1, avi->max_speed * 128 / 10);

   222

	DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, 0);

   223

	y += 10;

   224

   225

	/* Cargo capacity */

   226

	cargo = FindFirstRefittableCargo(engine_number);

   227

	if (cargo == CT_INVALID || cargo == CT_PASSENGERS) {

   228

		SetDParam(0, avi->passenger_capacity);

   229

		SetDParam(1, avi->mail_capacity);

   230

		DrawString(x, y, STR_PURCHASE_INFO_AIRCRAFT_CAPACITY, 0);

   231

	} else {

   232

		/* Note, if the default capacity is selected by the refit capacity

   233

		* callback, then the capacity shown is likely to be incorrect. */

   235

		SetDParam(1, AircraftDefaultCargoCapacity(cargo, engine_number));

   236

		SetDParam(2, STR_9842_REFITTABLE);

   237

		DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, 0);

   238

	}

   239

	y += 10;

   240

   241

	/* Running cost */

   242

	SetDParam(0, avi->running_cost * _price.aircraft_running >> 8);

   243

	DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, 0);

   244

	y += 10;

   245

   246

	/* Design date - Life length */

   247

	SetDParam(0, ymd.year);

   248

	SetDParam(1, e->lifelength);

   249

	DrawString(x, y, STR_PURCHASE_INFO_DESIGNED_LIFE, 0);

   250

	y += 10;

   251

   252

	/* Reliability */

   253

	SetDParam(0, e->reliability * 100 >> 16);

   254

	DrawString(x, y, STR_PURCHASE_INFO_RELIABILITY, 0);

   255

	y += 10;

   256

   257

	/* Additional text from NewGRF */

   258

	// XXX 227 will become a calculated width...

   259

	y += ShowAdditionalText(x, y, 227, engine_number);

   260

}

   261

   262

void DrawAircraftImage(const Vehicle *v, int x, int y, VehicleID selection)

   263

{

   264

	PalSpriteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);

   265

	DrawSprite(GetAircraftImage(v, DIR_W) | pal, x + 25, y + 10);

   266

	if (v->subtype == 0) {

   267

		SpriteID rotor_sprite = GetCustomRotorSprite(v, true);

   268

		if (rotor_sprite == 0) rotor_sprite = SPR_ROTOR_STOPPED;

   269

		DrawSprite(rotor_sprite, x + 25, y + 5);

   270

	}

   271

	if (v->index == selection) {

   272

		DrawFrameRect(x - 1, y - 1, x + 58, y + 21, 0xF, FR_BORDERONLY);

   273

	}

   274

}

   275

   276

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

   277

{

   278

	if (success) {

   279

		const Vehicle *v = GetVehicle(_new_vehicle_id);

   280

   281

		if (v->tile == _backup_orders_tile) {

   282

			_backup_orders_tile = 0;

   283

			RestoreVehicleOrders(v, _backup_orders_data);

   284

		}

   285

		ShowAircraftViewWindow(v);

   286

	}

   287

}

   288

   289

static inline void ExtendEngineListSize(EngineID **engine_list, uint16 *engine_list_length, uint16 step_size, uint16 max)

   290

{

   291

	*engine_list_length = min(*engine_list_length + step_size, max);

   292

	*engine_list = realloc((void*)*engine_list, (*engine_list_length) * sizeof((*engine_list)[0]));

   293

}

   294

   295

static void GenerateBuildAircraftList(EngineID **planes, uint16 *num_planes, EngineID **jets, uint16 *num_jets, EngineID **helicopters, uint16 *num_helicopters)

   296

{

   297

	uint16 plane_length      = *num_planes;

   298

	uint16 jet_length        = *num_jets;

   299

	uint16 helicopter_length = *num_helicopters;

   300

	EngineID eid;

   301

   302

	(*num_planes)      = 0;

   303

	(*num_jets)        = 0;

   304

	(*num_helicopters) = 0;

   305

   306

	for (eid = AIRCRAFT_ENGINES_INDEX; eid < AIRCRAFT_ENGINES_INDEX + NUM_AIRCRAFT_ENGINES; eid++) {

   307

   308

		if (IsEngineBuildable(eid, VEH_Aircraft)) {

   309

			const AircraftVehicleInfo *avi = AircraftVehInfo(eid);

   310

   311

			switch (avi->subtype) {

   312

				case AIR_CTOL: // Propeller planes

   313

					if (*num_planes == plane_length) ExtendEngineListSize(planes, &plane_length, 5, NUM_AIRCRAFT_ENGINES);

   314

					(*planes)[(*num_planes)++] = eid;

   315

					break;

   316

   317

				case (AIR_CTOL | AIR_FAST): // Jet planes

   318

					if (*num_jets == jet_length) ExtendEngineListSize(jets, &jet_length, 5, NUM_AIRCRAFT_ENGINES);

   319

					(*jets)[(*num_jets)++] = eid;

   320

					break;

   321

   322

				case 0: // Helicopters

   323

					if (*num_helicopters == helicopter_length) ExtendEngineListSize(helicopters, &helicopter_length, 5, NUM_AIRCRAFT_ENGINES);

   324

					(*helicopters)[(*num_helicopters)++] = eid;

   325

					break;

   326

			}

   327

		}

   328

	}

   329

}

   330

   331

static void GenerateBuildList(Window *w)

   332

{

   333

	switch (WP(w, buildvehicle_d).vehicle_type) {

   334

		case VEH_Aircraft:

   335

			GenerateBuildAircraftList(&WP(w, buildvehicle_d).list_a, &WP(w, buildvehicle_d).list_a_length,

   336

									  &WP(w, buildvehicle_d).list_b, &WP(w, buildvehicle_d).list_b_length,

   337

									  &WP(w, buildvehicle_d).list_c, &WP(w, buildvehicle_d).list_c_length);

   338

			break;

   339

   340

		default: NOT_REACHED();

   341

	}

   342

   343

	/* Ensure that we do not have trailing unused blocks in the arrays. We will never be able to access them anyway since we are unaware that they are there */

   344

	WP(w, buildvehicle_d).list_a = realloc((void*)WP(w, buildvehicle_d).list_a, WP(w, buildvehicle_d).list_a_length * sizeof(WP(w, buildvehicle_d).list_a[0]));

   345

	WP(w, buildvehicle_d).list_b = realloc((void*)WP(w, buildvehicle_d).list_b, WP(w, buildvehicle_d).list_b_length * sizeof(WP(w, buildvehicle_d).list_b[0]));

   346

	WP(w, buildvehicle_d).list_c = realloc((void*)WP(w, buildvehicle_d).list_c, WP(w, buildvehicle_d).list_c_length * sizeof(WP(w, buildvehicle_d).list_c[0]));

   347

   348

	WP(w, buildvehicle_d).data_invalidated = false; // No need to regenerate the list anymore. We just did it

   349

}

   350

   351

static inline EngineID *GetEngineArray(Window *w)

   352

{

   353

	switch (WP(w,buildvehicle_d).show_engine_button) {

   354

		case 1: return WP(w, buildvehicle_d).list_a;

   355

		case 2: return WP(w, buildvehicle_d).list_b;

   356

		case 3: return WP(w, buildvehicle_d).list_c;

   357

		default: NOT_REACHED();

   358

	}

   359

	return NULL;

   360

}

   361

   362

static inline uint16 GetEngineArrayLength(Window *w)

   363

{

   364

	switch (WP(w,buildvehicle_d).show_engine_button) {

   365

		case 1: return WP(w, buildvehicle_d).list_a_length;

   366

		case 2: return WP(w, buildvehicle_d).list_b_length;

   367

		case 3: return WP(w, buildvehicle_d).list_c_length;

   368

		default: NOT_REACHED();

   369

	}

   370

	return 0;

   371

}

   372

   373

static void SortAircraftBuildList(Window *w)

   374

{

   375

	_internal_sort_order = WP(w,buildvehicle_d).decenting_sort_order;

   376

	qsort((void*)GetEngineArray(w), GetEngineArrayLength(w), sizeof(GetEngineArray(w)[0]),

   377

		  _aircraft_sorter[WP(w,buildvehicle_d).sort_criteria]);

   378

}

   379

   380

static void DrawBuildAircraftWindow(Window *w)

   381

{

   382

	SetWindowWidgetLoweredState(w, BUILD_VEHICLE_WIDGET_PLANES,      WP(w,buildvehicle_d).show_engine_button == 1);

   383

	SetWindowWidgetLoweredState(w, BUILD_VEHICLE_WIDGET_JETS,        WP(w,buildvehicle_d).show_engine_button == 2);

   384

	SetWindowWidgetLoweredState(w, BUILD_VEHICLE_WIDGET_HELICOPTERS, WP(w,buildvehicle_d).show_engine_button == 3);

   385

   386

	SetWindowWidgetDisabledState(w, BUILD_VEHICLE_WIDGET_BUILD, w->window_number == 0);

   387

   388

	if (WP(w, buildvehicle_d).data_invalidated) {

   389

		GenerateBuildList(w);

   390

   391

		if (WP(w,buildvehicle_d).sel_engine != INVALID_ENGINE) {

   392

			int i;

   393

			bool found = false;

   394

			if (HASBIT(WP(w,buildvehicle_d).show_engine_button, 0)) {

   395

				for (i = 0; i < GetEngineArrayLength(w); i++) {

   396

					if (WP(w,buildvehicle_d).sel_engine != GetEngineArray(w)[i]) continue;

   397

					found = true;

   398

					break;

   399

				}

   400

			}

   401

			if (!found) WP(w,buildvehicle_d).sel_engine = INVALID_ENGINE;

   402

		}

   403

	}

   404

   405

	SetVScrollCount(w, GetEngineArrayLength(w));

   406

	DrawWindowWidgets(w);

   407

   408

	if (WP(w,buildvehicle_d).sel_engine == INVALID_ENGINE && GetEngineArrayLength(w) != 0) {

   409

		WP(w,buildvehicle_d).sel_engine = GetEngineArray(w)[0];

   410

	}

   411

   412

	{

   413

		int x = 2;

   414

		int y = 27;

   415

		EngineID selected_id = WP(w,buildvehicle_d).sel_engine;

   416

		EngineID eid = w->vscroll.pos;

   417

		EngineID *list = GetEngineArray(w);

   418

		uint16 list_length = GetEngineArrayLength(w);

   419

		uint16 max = min(w->vscroll.pos + w->vscroll.cap, list_length);

   420

   421

		for(; eid < max; eid++) {

   422

			const EngineID engine = list[eid];

   423

   424

			DrawString(x + 62, y + 7, GetCustomEngineName(engine), engine == selected_id ? 0xC : 0x10);

   425

			DrawAircraftEngine(x + 29, y + 10, engine, GetEnginePalette(engine, _local_player));

   426

			y += 24;

   427

		}

   428

   429

		if (selected_id != INVALID_ENGINE) {

   430

			DrawAircraftPurchaseInfo(x, w->widget[BUILD_VEHICLE_WIDGET_PANEL].top + 1, selected_id);

   431

		}

   432

	}

   433

	DrawString(85, 15, _aircraft_sort_listing[WP(w,buildvehicle_d).sort_criteria], 0x10);

   434

	DoDrawString(WP(w,buildvehicle_d).decenting_sort_order ? DOWNARROW : UPARROW, 69, 15, 0x10);

   435

}

   436

   437

static void BuildAircraftClickEvent(Window *w, WindowEvent *e)

   438

{

   439

	byte click_state = 0;

   440

   441

	switch (e->we.click.widget) {

   442

		case BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING:

   443

			WP(w,buildvehicle_d).decenting_sort_order = !WP(w,buildvehicle_d).decenting_sort_order;

   444

			_last_sort_order = WP(w,buildvehicle_d).decenting_sort_order;

   445

			SortAircraftBuildList(w);

   446

			SetWindowDirty(w);

   447

			break;

   448

   449

		case BUILD_VEHICLE_WIDGET_LIST: {

   450

			uint i = (e->we.click.pt.y - 26) / 24;

   451

			if (i < w->vscroll.cap) {

   452

				i += w->vscroll.pos;

   453

   454

				if (i < GetEngineArrayLength(w)) {

   455

					WP(w,buildvehicle_d).sel_engine = GetEngineArray(w)[i];

   456

					SetWindowDirty(w);

   457

				}

   458

			}

   459

		} break;

   460

   461

		case BUILD_VEHICLE_WIDGET_SORT_TEXT: case BUILD_VEHICLE_WIDGET_SORT_DROPDOWN:/* Select sorting criteria dropdown menu */

   462

			ShowDropDownMenu(w, _aircraft_sort_listing, WP(w,buildvehicle_d).sort_criteria, BUILD_VEHICLE_WIDGET_SORT_DROPDOWN, 0, 0);

   463

			return;

   464

   465

		case BUILD_VEHICLE_WIDGET_HELICOPTERS: click_state++;

   466

		case BUILD_VEHICLE_WIDGET_JETS:        click_state++;

   467

		case BUILD_VEHICLE_WIDGET_PLANES:      click_state++;

   468

   469

			if (WP(w,buildvehicle_d).show_engine_button == click_state) break; // We clicked the pressed button

   470

   471

				WP(w,buildvehicle_d).sel_engine = INVALID_ENGINE;

   472

			WP(w,buildvehicle_d).show_engine_button = click_state;

   473

			w->vscroll.pos = 0;

   474

			SortAircraftBuildList(w);

   475

			SetWindowDirty(w);

   476

			break;

   477

   478

		case BUILD_VEHICLE_WIDGET_BUILD: {

   479

			EngineID sel_eng = WP(w,buildvehicle_d).sel_engine;

   480

			if (sel_eng != INVALID_ENGINE)

   481

				DoCommandP(w->window_number, sel_eng, 0, CcBuildAircraft, CMD_BUILD_AIRCRAFT | CMD_MSG(STR_A008_CAN_T_BUILD_AIRCRAFT));

   482

		} break;

   483

   484

		case BUILD_VEHICLE_WIDGET_RENAME: {

   485

			EngineID sel_eng = WP(w,buildvehicle_d).sel_engine;

   486

			if (sel_eng != INVALID_ENGINE) {

   487

				WP(w,buildvehicle_d).rename_engine = sel_eng;

   488

				ShowQueryString(GetCustomEngineName(sel_eng),

   489

								STR_A039_RENAME_AIRCRAFT_TYPE, 31, 160, w->window_class, w->window_number, CS_ALPHANUMERAL);

   490

			}

   491

		} break;

   492

	}

   493

}

   494

   495

static void NewAircraftWndProc(Window *w, WindowEvent *e)

   496

{

   497

	switch (e->event) {

   498

		case WE_INVALIDATE_DATA:

   499

			WP(w,buildvehicle_d).data_invalidated = true;

   500

			SetWindowDirty(w);

   501

			break;

   502

   503

		case WE_DESTROY:

   504

			free((void*)WP(w, buildvehicle_d).list_a);

   505

			free((void*)WP(w, buildvehicle_d).list_b);

   506

			free((void*)WP(w, buildvehicle_d).list_c);

   507

			break;

   508

   509

		case WE_PAINT:

   510

			DrawBuildAircraftWindow(w);

   511

			break;

   512

   513

		case WE_CLICK:

   514

			BuildAircraftClickEvent(w, e);

   515

			break;

   516

   517

		case WE_ON_EDIT_TEXT: {

   518

			if (e->we.edittext.str[0] != '\0') {

   519

				_cmd_text = e->we.edittext.str;

   520

				DoCommandP(0, WP(w, buildvehicle_d).rename_engine, 0, NULL,

   521

						   CMD_RENAME_ENGINE | CMD_MSG(STR_A03A_CAN_T_RENAME_AIRCRAFT_TYPE));

   522

			}

   523

		} break;

   524

   525

		case WE_DROPDOWN_SELECT: /* we have selected a dropdown item in the list */

   526

			if (WP(w,buildvehicle_d).sort_criteria != e->we.dropdown.index) {

   527

				WP(w,buildvehicle_d).sort_criteria = e->we.dropdown.index;