1

/* $Id$ */

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     3

/** @file rail_gui.c File for dealing with rail construction user interface */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "table/sprites.h"

     8

#include "table/strings.h"

     9

#include "functions.h"

    10

#include "map.h"

    11

#include "tile.h"

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#include "window.h"

    13

#include "gui.h"

    14

#include "viewport.h"

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#include "gfx.h"

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#include "sound.h"

    17

#include "command.h"

    18

#include "vehicle.h"

    19

#include "station.h"

    20

#include "waypoint.h"

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#include "debug.h"

    22

#include "variables.h"

    23

    24

static RailType _cur_railtype;

    25

static bool _remove_button_clicked;

    26

static byte _build_depot_direction;

    27

static byte _waypoint_count=1;

    28

static byte _cur_waypoint_type;

    29

    30

struct {

    31

	byte orientation;

    32

	byte numtracks;

    33

	byte platlength;

    34

	bool dragdrop;

    35

} _railstation;

    36

    37

    38

static void HandleStationPlacement(TileIndex start, TileIndex end);

    39

static void ShowBuildTrainDepotPicker(void);

    40

static void ShowBuildWaypointPicker(void);

    41

static void ShowStationBuilder(void);

    42

    43

typedef void OnButtonClick(Window *w);

    44

    45

void CcPlaySound1E(bool success, TileIndex tile, uint32 p1, uint32 p2)

    46

{

    47

	if (success) SndPlayTileFx(SND_20_SPLAT_2, tile);

    48

}

    49

    50

static void GenericPlaceRail(TileIndex tile, int cmd)

    51

{

    52

	DoCommandP(tile, _cur_railtype, cmd, CcPlaySound1E,

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		_remove_button_clicked ?

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		CMD_REMOVE_SINGLE_RAIL | CMD_MSG(STR_1012_CAN_T_REMOVE_RAILROAD_TRACK) | CMD_AUTO | CMD_NO_WATER :

    55

		CMD_BUILD_SINGLE_RAIL | CMD_MSG(STR_1011_CAN_T_BUILD_RAILROAD_TRACK) | CMD_AUTO | CMD_NO_WATER

    56

		);

    57

}

    58

    59

static void PlaceRail_N(TileIndex tile)

    60

{

    61

	int cmd = _tile_fract_coords.x > _tile_fract_coords.y ? 4 : 5;

    62

	GenericPlaceRail(tile, cmd);

    63

}

    64

    65

static void PlaceRail_NE(TileIndex tile)

    66

{

    67

	VpStartPlaceSizing(tile, VPM_FIX_Y);

    68

}

    69

    70

static void PlaceRail_E(TileIndex tile)

    71

{

    72

	int cmd = _tile_fract_coords.x + _tile_fract_coords.y <= 15 ? 2 : 3;

    73

	GenericPlaceRail(tile, cmd);

    74

}

    75

    76

static void PlaceRail_NW(TileIndex tile)

    77

{

    78

	VpStartPlaceSizing(tile, VPM_FIX_X);

    79

}

    80

    81

static void PlaceRail_AutoRail(TileIndex tile)

    82

{

    83

	VpStartPlaceSizing(tile, VPM_RAILDIRS);

    84

}

    85

    86

static void PlaceExtraDepotRail(TileIndex tile, uint16 extra)

    87

{

    88

	byte b = _m[tile].m5;

    89

    90

	if (b & 0xC0 || !(b & (extra >> 8)))

    91

		return;

    92

    93

	DoCommandP(tile, _cur_railtype, extra & 0xFF, NULL, CMD_BUILD_SINGLE_RAIL | CMD_AUTO | CMD_NO_WATER);

    94

}

    95

    96

static const uint16 _place_depot_extra[12] = {

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	0x604,		0x2102,		0x1202,		0x505,

    98

	0x2400,		0x2801,		0x1800,		0x1401,

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	0x2203,		0x904,		0x0A05,		0x1103,

   100

};

   101

   102

   103

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

   104

{

   105

	if (success) {

   106

		int dir = p2;

   107

   108

		SndPlayTileFx(SND_20_SPLAT_2, tile);

   109

		ResetObjectToPlace();

   110

   111

		tile += TileOffsByDir(dir);

   112

   113

		if (IsTileType(tile, MP_RAILWAY)) {

   114

			PlaceExtraDepotRail(tile, _place_depot_extra[dir]);

   115

			PlaceExtraDepotRail(tile, _place_depot_extra[dir + 4]);

   116

			PlaceExtraDepotRail(tile, _place_depot_extra[dir + 8]);

   117

		}

   118

	}

   119

}

   120

   121

static void PlaceRail_Depot(TileIndex tile)

   122

{

   123

	DoCommandP(tile, _cur_railtype, _build_depot_direction, CcRailDepot,

   124

		CMD_BUILD_TRAIN_DEPOT | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_100E_CAN_T_BUILD_TRAIN_DEPOT));

   125

}

   126

   127

static void PlaceRail_Waypoint(TileIndex tile)

   128

{

   129

	if (!_remove_button_clicked) {

   130

		DoCommandP(tile, (_waypoint_count > 0) ? (0x100 + _cur_waypoint_type) : 0, 0, CcPlaySound1E, CMD_BUILD_TRAIN_WAYPOINT | CMD_MSG(STR_CANT_BUILD_TRAIN_WAYPOINT));

   131

	} else {

   132

		DoCommandP(tile, 0, 0, CcPlaySound1E, CMD_REMOVE_TRAIN_WAYPOINT | CMD_MSG(STR_CANT_REMOVE_TRAIN_WAYPOINT));

   133

	}

   134

}

   135

   136

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

   137

{

   138

	if (success) {

   139

		SndPlayTileFx(SND_20_SPLAT_2, tile);

   140

		ResetObjectToPlace();

   141

	}

   142

}

   143

   144

static void PlaceRail_Station(TileIndex tile)

   145

{

   146

	if(_remove_button_clicked)

   147

		DoCommandP(tile, 0, 0, CcPlaySound1E, CMD_REMOVE_FROM_RAILROAD_STATION | CMD_MSG(STR_CANT_REMOVE_PART_OF_STATION));

   148

	else if (_railstation.dragdrop) {

   149

		VpStartPlaceSizing(tile, VPM_X_AND_Y_LIMITED);

   150

		VpSetPlaceSizingLimit(_patches.station_spread);

   151

	} else {

   152

		// TODO: Custom station selector GUI. Now we just try using first custom station

   153

		// (and fall back to normal stations if it isn't available).

   154

		DoCommandP(tile, _railstation.orientation | (_railstation.numtracks<<8) | (_railstation.platlength<<16),_cur_railtype|1<<4, CcStation,

   155

				CMD_BUILD_RAILROAD_STATION | CMD_NO_WATER | CMD_AUTO | CMD_MSG(STR_100F_CAN_T_BUILD_RAILROAD_STATION));

   156

	}

   157

}

   158

   159

static void GenericPlaceSignals(TileIndex tile)

   160

{

   161

	uint trackstat;

   162

	int i;

   163

   164

	trackstat = (byte)GetTileTrackStatus(tile, TRANSPORT_RAIL);

   165

   166

	if ((trackstat & 0x30)) // N-S direction

   167

		trackstat = (_tile_fract_coords.x <= _tile_fract_coords.y) ? 0x20 : 0x10;

   168

   169

	if ((trackstat & 0x0C)) // E-W direction

   170

		trackstat = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? 4 : 8;

   171

   172

	// Lookup the bit index

   173

	i = 0;

   174

	if (trackstat != 0) {	while (!(trackstat & 1)) { i++; trackstat >>= 1; }}

   175

   176

	if (!_remove_button_clicked) {

   177

		DoCommandP(tile, i + (_ctrl_pressed ? 8 : 0), 0, CcPlaySound1E,

   178

			CMD_BUILD_SIGNALS | CMD_AUTO | CMD_MSG(STR_1010_CAN_T_BUILD_SIGNALS_HERE));

   179

	} else {

   180

		DoCommandP(tile, i, 0, CcPlaySound1E,

   181

			CMD_REMOVE_SIGNALS | CMD_AUTO | CMD_MSG(STR_1013_CAN_T_REMOVE_SIGNALS_FROM));

   182

	}

   183

}

   184

   185

static void PlaceRail_Bridge(TileIndex tile)

   186

{

   187

	VpStartPlaceSizing(tile, VPM_X_OR_Y);

   188

}

   189

   190

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

   191

{

   192

	if (success) {

   193

		SndPlayTileFx(SND_20_SPLAT_2, tile);

   194

		ResetObjectToPlace();

   195

	} else {

   196

		SetRedErrorSquare(_build_tunnel_endtile);

   197

	}

   198

}

   199

   200

static void PlaceRail_Tunnel(TileIndex tile)

   201

{

   202

	DoCommandP(tile, _cur_railtype, 0, CcBuildRailTunnel,

   203

		CMD_BUILD_TUNNEL | CMD_AUTO | CMD_MSG(STR_5016_CAN_T_BUILD_TUNNEL_HERE));

   204

}

   205

   206

void PlaceProc_BuyLand(TileIndex tile)

   207

{

   208

	DoCommandP(tile, 0, 0, CcPlaySound1E, CMD_PURCHASE_LAND_AREA | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_5806_CAN_T_PURCHASE_THIS_LAND));

   209

}

   210

   211

static void PlaceRail_ConvertRail(TileIndex tile)

   212

{

   213

	VpStartPlaceSizing(tile, VPM_X_AND_Y | GUI_PlaceProc_ConvertRailArea);

   214

}

   215

   216

static void PlaceRail_AutoSignals(TileIndex tile)

   217

{

   218

	VpStartPlaceSizing(tile, VPM_SIGNALDIRS);

   219

}

   220

   221

static void BuildRailClick_N(Window *w)

   222

{

   223

	HandlePlacePushButton(w, 4, GetRailTypeInfo(_cur_railtype)->cursor.rail_ns, 1, PlaceRail_N);

   224

}

   225

   226

static void BuildRailClick_NE(Window *w)

   227

{

   228

	HandlePlacePushButton(w, 5, GetRailTypeInfo(_cur_railtype)->cursor.rail_swne, 1, PlaceRail_NE);

   229

}

   230

   231

static void BuildRailClick_E(Window *w)

   232

{

   233

	HandlePlacePushButton(w, 6, GetRailTypeInfo(_cur_railtype)->cursor.rail_ew, 1, PlaceRail_E);

   234

}

   235

   236

static void BuildRailClick_NW(Window *w)

   237

{

   238

	HandlePlacePushButton(w, 7, GetRailTypeInfo(_cur_railtype)->cursor.rail_nwse, 1, PlaceRail_NW);

   239

}

   240

   241

static void BuildRailClick_AutoRail(Window *w)

   242

{

   243

	HandlePlacePushButton(w, 8, GetRailTypeInfo(_cur_railtype)->cursor.autorail, VHM_RAIL, PlaceRail_AutoRail);

   244

}

   245

   246

static void BuildRailClick_Demolish(Window *w)

   247

{

   248

	HandlePlacePushButton(w, 9, ANIMCURSOR_DEMOLISH, 1, PlaceProc_DemolishArea);

   249

}

   250

   251

static void BuildRailClick_Depot(Window *w)

   252

{

   253

	if (HandlePlacePushButton(w, 10, GetRailTypeInfo(_cur_railtype)->cursor.depot, 1, PlaceRail_Depot)) {

   254

		ShowBuildTrainDepotPicker();

   255

	}

   256

}

   257

   258

static void BuildRailClick_Waypoint(Window *w)

   259

{

   260

	_waypoint_count = GetCustomStationsCount(STAT_CLASS_WAYP);

   261

	if (HandlePlacePushButton(w, 11, SPR_CURSOR_WAYPOINT, 1, PlaceRail_Waypoint)

   262

	    && _waypoint_count > 0)

   263

		ShowBuildWaypointPicker();

   264

}

   265

   266

static void BuildRailClick_Station(Window *w)

   267

{

   268

	if (HandlePlacePushButton(w, 12, SPR_CURSOR_RAIL_STATION, 1, PlaceRail_Station)) ShowStationBuilder();

   269

}

   270

   271

static void BuildRailClick_AutoSignals(Window *w)

   272

{

   273

	HandlePlacePushButton(w, 13, ANIMCURSOR_BUILDSIGNALS, VHM_RECT, PlaceRail_AutoSignals);

   274

}

   275

   276

static void BuildRailClick_Bridge(Window *w)

   277

{

   278

	HandlePlacePushButton(w, 14, SPR_CURSOR_BRIDGE, 1, PlaceRail_Bridge);

   279

}

   280

   281

static void BuildRailClick_Tunnel(Window *w)

   282

{

   283

	HandlePlacePushButton(w, 15, GetRailTypeInfo(_cur_railtype)->cursor.tunnel, 3, PlaceRail_Tunnel);

   284

}

   285

   286

static void BuildRailClick_Remove(Window *w)

   287

{

   288

	if (w->disabled_state & (1<<16))

   289

		return;

   290

	SetWindowDirty(w);

   291

	SndPlayFx(SND_15_BEEP);

   292

   293

	w->click_state ^= (1 << 16);

   294

	_remove_button_clicked = (w->click_state & (1 << 16)) != 0;

   295

	SetSelectionRed((w->click_state & (1 << 16)) != 0);

   296

   297

	// handle station builder

   298

	if( w->click_state & (1 << 16) )

   299

	{

   300

		if(_remove_button_clicked)

   301

			SetTileSelectSize(1, 1);

   302

		else

   303

			BringWindowToFrontById(WC_BUILD_STATION, 0);

   304

	}

   305

}

   306

   307

static void BuildRailClick_Convert(Window *w)

   308

{

   309

	HandlePlacePushButton(w, 17, GetRailTypeInfo(_cur_railtype)->cursor.convert, 1, PlaceRail_ConvertRail);

   310

}

   311

   312

static void BuildRailClick_Landscaping(Window *w)

   313

{

   314

	ShowTerraformToolbar();

   315

}

   316

   317

static void DoRailroadTrack(int mode)

   318

{

   319

	DoCommandP(TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4), NULL,

   320

		_remove_button_clicked ?

   321

		CMD_REMOVE_RAILROAD_TRACK | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1012_CAN_T_REMOVE_RAILROAD_TRACK) :

   322

		CMD_BUILD_RAILROAD_TRACK  | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1011_CAN_T_BUILD_RAILROAD_TRACK)

   323

	);

   324

}

   325

   326

static void HandleAutodirPlacement(void)

   327

{

   328

	TileHighlightData *thd = &_thd;

   329

	int trackstat = thd->drawstyle & 0xF; // 0..5

   330

   331

	if (thd->drawstyle & HT_RAIL) { // one tile case

   332

		GenericPlaceRail(TileVirtXY(thd->selend.x, thd->selend.y), trackstat);

   333

		return;

   334

	}

   335

   336

	DoRailroadTrack(trackstat);

   337

}

   338

   339

static void HandleAutoSignalPlacement(void)

   340

{

   341

	TileHighlightData *thd = &_thd;

   342

	byte trackstat = thd->drawstyle & 0xF; // 0..5

   343

   344

	if (thd->drawstyle == HT_RECT) { // one tile case

   345

		GenericPlaceSignals(TileVirtXY(thd->selend.x, thd->selend.y));

   346

		return;

   347

	}

   348

   349

	// _patches.drag_signals_density is given as a parameter such that each user in a network

   350

	// game can specify his/her own signal density

   351

	DoCommandP(TileVirtXY(thd->selstart.x, thd->selstart.y), TileVirtXY(thd->selend.x, thd->selend.y),

   352

	(_ctrl_pressed ? 1 << 3 : 0) | (trackstat << 4) | (_patches.drag_signals_density << 24),

   353

	CcPlaySound1E,

   354

	(_remove_button_clicked ?	CMD_REMOVE_SIGNAL_TRACK | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1013_CAN_T_REMOVE_SIGNALS_FROM) :

   355

	                          CMD_BUILD_SIGNAL_TRACK  | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1010_CAN_T_BUILD_SIGNALS_HERE) ) );

   356

}

   357

   358

static OnButtonClick * const _build_railroad_button_proc[] = {

   359

	BuildRailClick_N,

   360

	BuildRailClick_NE,

   361

	BuildRailClick_E,

   362

	BuildRailClick_NW,

   363

	BuildRailClick_AutoRail,

   364

	BuildRailClick_Demolish,

   365

	BuildRailClick_Depot,

   366

	BuildRailClick_Waypoint,

   367

	BuildRailClick_Station,

   368

	BuildRailClick_AutoSignals,

   369

	BuildRailClick_Bridge,

   370

	BuildRailClick_Tunnel,

   371

	BuildRailClick_Remove,

   372

	BuildRailClick_Convert,

   373

	BuildRailClick_Landscaping,

   374

};

   375

   376

static const uint16 _rail_keycodes[] = {

   377

	'1',

   378

	'2',

   379

	'3',

   380

	'4',

   381

	'5',

   382

	'6',

   383

	'7', // depot

   384

	'8', // waypoint

   385

	'9', // station

   386

	'S', // signals

   387

	'B', // bridge

   388

	'T', // tunnel

   389

	'R', // remove

   390

	'C', // convert rail

   391

	'L', // landscaping

   392

};

   393

   394

   395

   396

   397

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

   398

{

   399

	switch(e->event) {

   400

	case WE_PAINT:

   401

		w->disabled_state &= ~(1 << 16);

   402

		if (!(w->click_state & ((1<<4)|(1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<11)|(1<<12)|(1<<13)))) {

   403

			w->disabled_state |= (1 << 16);

   404

			w->click_state &= ~(1<<16);

   405

		}

   406

		DrawWindowWidgets(w);

   407

		break;

   408

   409

	case WE_CLICK:

   410

		if (e->click.widget >= 4) {

   411

			_remove_button_clicked = false;

   412

			_build_railroad_button_proc[e->click.widget - 4](w);

   413

		}

   414

	break;

   415

   416

	case WE_KEYPRESS: {

   417

		int i;

   418

   419

		for(i=0; i!=lengthof(_rail_keycodes); i++) {

   420

			if (e->keypress.keycode == _rail_keycodes[i]) {

   421

				e->keypress.cont = false;

   422

				_remove_button_clicked = false;

   423

				_build_railroad_button_proc[i](w);

   424

				break;

   425

			}

   426

		}

   427

		MarkTileDirty(_thd.pos.x, _thd.pos.y); // redraw tile selection

   428

		break;

   429

	}

   430

   431

	case WE_PLACE_OBJ:

   432

		_place_proc(e->place.tile);

   433

		return;

   434

   435

	case WE_PLACE_DRAG: {

   436

		VpSelectTilesWithMethod(e->place.pt.x, e->place.pt.y, e->place.userdata & 0xF);

   437

		return;

   438

	}

   439

   440

	case WE_PLACE_MOUSEUP:

   441

		if (e->click.pt.x != -1) {

   442

			TileIndex start_tile = e->place.starttile;

   443

			TileIndex end_tile = e->place.tile;

   444

   445

			if (e->place.userdata == VPM_X_OR_Y) {

   446

				ResetObjectToPlace();

   447

				ShowBuildBridgeWindow(start_tile, end_tile, _cur_railtype);

   448

			} else if (e->place.userdata == VPM_RAILDIRS) {

   449

				bool old = _remove_button_clicked;

   450

				if (_ctrl_pressed) _remove_button_clicked = true;

   451

				HandleAutodirPlacement();

   452

				_remove_button_clicked = old;

   453

			} else if (e->place.userdata == VPM_SIGNALDIRS) {

   454

				HandleAutoSignalPlacement();

   455

			} else if ((e->place.userdata & 0xF) == VPM_X_AND_Y) {

   456

				if (GUIPlaceProcDragXY(e)) break;

   457

   458

				if ((e->place.userdata >> 4) == GUI_PlaceProc_ConvertRailArea >> 4)

   459

					DoCommandP(end_tile, start_tile, _cur_railtype, CcPlaySound10, CMD_CONVERT_RAIL | CMD_MSG(STR_CANT_CONVERT_RAIL));

   460

			} else if (e->place.userdata == VPM_X_AND_Y_LIMITED) {

   461

				HandleStationPlacement(start_tile, end_tile);

   462

			} else

   463

				DoRailroadTrack(e->place.userdata & 1);

   464

		}

   465

		break;

   466

   467

	case WE_ABORT_PLACE_OBJ:

   468

		UnclickWindowButtons(w);

   469

		SetWindowDirty(w);

   470

   471

		w = FindWindowById(WC_BUILD_STATION, 0);

   472

		if (w != NULL) WP(w,def_d).close=true;

   473

		w = FindWindowById(WC_BUILD_DEPOT, 0);

   474

		if (w != NULL) WP(w,def_d).close=true;

   475

		break;

   476

   477

	case WE_PLACE_PRESIZE: {

   478

		TileIndex tile = e->place.tile;

   479

   480

		DoCommandByTile(tile, 0, 0, DC_AUTO, CMD_BUILD_TUNNEL);

   481

		VpSetPresizeRange(tile, _build_tunnel_endtile==0?tile:_build_tunnel_endtile);

   482

	} break;

   483

	}

   484

}

   485

   486

   487

static const Widget _build_rail_widgets[] = {

   488

{   WWT_CLOSEBOX,   RESIZE_NONE,     7,     0,    10,     0,    13, STR_00C5,STR_018B_CLOSE_WINDOW},

   489

{    WWT_CAPTION,   RESIZE_NONE,     7,    11,   359,     0,    13, STR_100A_RAILROAD_CONSTRUCTION, STR_018C_WINDOW_TITLE_DRAG_THIS},

   490

{  WWT_STICKYBOX,   RESIZE_NONE,     7,   360,   371,     0,    13, 0x0,     STR_STICKY_BUTTON},

   491

   492

{      WWT_PANEL,   RESIZE_NONE,     7,   110,   113,    14,    35, 0x0,			STR_NULL},

   493

   494

{      WWT_PANEL,   RESIZE_NONE,     7,    0,     21,    14,    35, 0x4E3,		STR_1018_BUILD_RAILROAD_TRACK},

   495

{      WWT_PANEL,   RESIZE_NONE,     7,    22,    43,    14,    35, 0x4E4,		STR_1018_BUILD_RAILROAD_TRACK},

   496

{      WWT_PANEL,   RESIZE_NONE,     7,    44,    65,    14,    35, 0x4E5,		STR_1018_BUILD_RAILROAD_TRACK},

   497

{      WWT_PANEL,   RESIZE_NONE,     7,    66,    87,    14,    35, 0x4E6,		STR_1018_BUILD_RAILROAD_TRACK},

   498

{      WWT_PANEL,   RESIZE_NONE,     7,    88,   109,    14,    35, SPR_IMG_AUTORAIL, STR_BUILD_AUTORAIL_TIP},

   499

   500

{      WWT_PANEL,   RESIZE_NONE,     7,   114,   135,    14,    35, 0x2BF,		STR_018D_DEMOLISH_BUILDINGS_ETC},

   501

{      WWT_PANEL,   RESIZE_NONE,     7,   136,   157,    14,    35, 0x50E,		STR_1019_BUILD_TRAIN_DEPOT_FOR_BUILDING},

   502

{      WWT_PANEL,   RESIZE_NONE,     7,   158,   179,    14,    35, SPR_IMG_WAYPOINT, STR_CONVERT_RAIL_TO_WAYPOINT_TIP},