Files @ r13144:8d93c5133775
Branch filter:

Location: cpp/openttd-patchpack/source/src/road_gui.cpp

rubidium
(svn r17659) -Codechange: remove the last custom drawing from the signal GUI
   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
/* $Id$ */

/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

/** @file road_gui.cpp GUI for building roads. */

#include "stdafx.h"
#include "openttd.h"
#include "gui.h"
#include "window_gui.h"
#include "station_gui.h"
#include "terraform_gui.h"
#include "viewport_func.h"
#include "gfx_func.h"
#include "command_func.h"
#include "road_type.h"
#include "road_cmd.h"
#include "road_map.h"
#include "station_func.h"
#include "functions.h"
#include "window_func.h"
#include "vehicle_func.h"
#include "sound_func.h"
#include "company_func.h"
#include "tunnelbridge.h"
#include "tilehighlight_func.h"
#include "company_base.h"
#include "settings_type.h"

#include "table/sprites.h"
#include "table/strings.h"

static void ShowRVStationPicker(Window *parent, RoadStopType rs);
static void ShowRoadDepotPicker(Window *parent);

static bool _remove_button_clicked;
static bool _one_way_button_clicked;

/**
 * Define the values of the RoadFlags
 * @see CmdBuildLongRoad
 */
enum RoadFlags {
	RF_NONE             = 0x00,
	RF_START_HALFROAD_Y = 0x01,    // The start tile in Y-dir should have only a half road
	RF_END_HALFROAD_Y   = 0x02,    // The end tile in Y-dir should have only a half road
	RF_DIR_Y            = 0x04,    // The direction is Y-dir
	RF_DIR_X            = RF_NONE, // Dummy; Dir X is set when RF_DIR_Y is not set
	RF_START_HALFROAD_X = 0x08,    // The start tile in X-dir should have only a half road
	RF_END_HALFROAD_X   = 0x10,    // The end tile in X-dir should have only a half road
};
DECLARE_ENUM_AS_BIT_SET(RoadFlags);

static RoadFlags _place_road_flag;

static RoadType _cur_roadtype;

static DiagDirection _road_depot_orientation;
static DiagDirection _road_station_picker_orientation;

void CcPlaySound1D(bool success, TileIndex tile, uint32 p1, uint32 p2)
{
	if (success) SndPlayTileFx(SND_1F_SPLAT, tile);
}

/**
 * Set the initial flags for the road constuction.
 * The flags are:
 * @li The direction is the X-dir
 * @li The first tile has a partitial RoadBit (true or false)
 *
 * @param tile The start tile
 */
static void PlaceRoad_X_Dir(TileIndex tile)
{
	_place_road_flag = RF_DIR_X;
	if (_tile_fract_coords.x >= 8) _place_road_flag |= RF_START_HALFROAD_X;
	VpStartPlaceSizing(tile, VPM_FIX_Y, DDSP_PLACE_ROAD_X_DIR);
}

/**
 * Set the initial flags for the road constuction.
 * The flags are:
 * @li The direction is the Y-dir
 * @li The first tile has a partitial RoadBit (true or false)
 *
 * @param tile The start tile
 */
static void PlaceRoad_Y_Dir(TileIndex tile)
{
	_place_road_flag = RF_DIR_Y;
	if (_tile_fract_coords.y >= 8) _place_road_flag |= RF_START_HALFROAD_Y;
	VpStartPlaceSizing(tile, VPM_FIX_X, DDSP_PLACE_ROAD_Y_DIR);
}

/**
 * Set the initial flags for the road constuction.
 * The flags are:
 * @li The direction is not set.
 * @li The first tile has a partitial RoadBit (true or false)
 *
 * @param tile The start tile
 */
static void PlaceRoad_AutoRoad(TileIndex tile)
{
	_place_road_flag = RF_NONE;
	if (_tile_fract_coords.x >= 8) _place_road_flag |= RF_START_HALFROAD_X;
	if (_tile_fract_coords.y >= 8) _place_road_flag |= RF_START_HALFROAD_Y;
	VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_PLACE_AUTOROAD);
}

static void PlaceRoad_Bridge(TileIndex tile)
{
	VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
}


void CcBuildRoadTunnel(bool success, TileIndex tile, uint32 p1, uint32 p2)
{
	if (success) {
		SndPlayTileFx(SND_20_SPLAT_2, tile);
		if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
	} else {
		SetRedErrorSquare(_build_tunnel_endtile);
	}
}

/** Structure holding information per roadtype for several functions */
struct RoadTypeInfo {
	StringID err_build_road;        ///< Building a normal piece of road
	StringID err_remove_road;       ///< Removing a normal piece of road
	StringID err_depot;             ///< Building a depot
	StringID err_build_station[2];  ///< Building a bus or truck station
	StringID err_remove_station[2]; ///< Removing of a bus or truck station

	StringID picker_title[2];       ///< Title for the station picker for bus or truck stations
	StringID picker_tooltip[2];     ///< Tooltip for the station picker for bus or truck stations

	SpriteID cursor_nesw;           ///< Cursor for building NE and SW bits
	SpriteID cursor_nwse;           ///< Cursor for building NW and SE bits
	SpriteID cursor_autoroad;       ///< Cursor for building autoroad
};

/** What errors/cursors must be shown for several types of roads */
static const RoadTypeInfo _road_type_infos[] = {
	{
		STR_ERROR_CAN_T_BUILD_ROAD_HERE,
		STR_ERROR_CAN_T_REMOVE_ROAD_FROM,
		STR_ERROR_CAN_T_BUILD_ROAD_DEPOT,
		{ STR_ERROR_CAN_T_BUILD_BUS_STATION,         STR_ERROR_CAN_T_BUILD_TRUCK_STATION          },
		{ STR_ERROR_CAN_T_REMOVE_BUS_STATION,        STR_ERROR_CAN_T_REMOVE_TRUCK_STATION         },
		{ STR_STATION_BUILD_BUS_ORIENTATION,         STR_STATION_BUILD_TRUCK_ORIENTATION          },
		{ STR_STATION_BUILD_BUS_ORIENTATION_TOOLTIP, STR_STATION_BUILD_TRUCK_ORIENTATION_TOOLTIP  },

		SPR_CURSOR_ROAD_NESW,
		SPR_CURSOR_ROAD_NWSE,
		SPR_CURSOR_AUTOROAD,
	},
	{
		STR_ERROR_CAN_T_BUILD_TRAMWAY_HERE,
		STR_ERROR_CAN_T_REMOVE_TRAMWAY_FROM,
		STR_ERROR_CAN_T_BUILD_TRAM_DEPOT,
		{ STR_ERROR_CAN_T_BUILD_PASSENGER_TRAM_STATION,         STR_ERROR_CAN_T_BUILD_CARGO_TRAM_STATION         },
		{ STR_ERROR_CAN_T_REMOVE_PASSENGER_TRAM_STATION,        STR_ERROR_CAN_T_REMOVE_CARGO_TRAM_STATION        },
		{ STR_STATION_BUILD_PASSENGER_TRAM_ORIENTATION,         STR_STATION_BUILD_CARGO_TRAM_ORIENTATION         },
		{ STR_STATION_BUILD_PASSENGER_TRAM_ORIENTATION_TOOLTIP, STR_STATION_BUILD_CARGO_TRAM_ORIENTATION_TOOLTIP },

		SPR_CURSOR_TRAMWAY_NESW,
		SPR_CURSOR_TRAMWAY_NWSE,
		SPR_CURSOR_AUTOTRAM,
	},
};

static void PlaceRoad_Tunnel(TileIndex tile)
{
	DoCommandP(tile, 0x200 | RoadTypeToRoadTypes(_cur_roadtype), 0, CMD_BUILD_TUNNEL | CMD_MSG(STR_ERROR_CAN_T_BUILD_TUNNEL_HERE), CcBuildRoadTunnel);
}

static void BuildRoadOutsideStation(TileIndex tile, DiagDirection direction)
{
	tile += TileOffsByDiagDir(direction);
	/* if there is a roadpiece just outside of the station entrance, build a connecting route */
	if (IsNormalRoadTile(tile)) {
		if (GetRoadBits(tile, _cur_roadtype) != ROAD_NONE) {
			DoCommandP(tile, _cur_roadtype << 4 | DiagDirToRoadBits(ReverseDiagDir(direction)), 0, CMD_BUILD_ROAD);
		}
	}
}

void CcRoadDepot(bool success, TileIndex tile, uint32 p1, uint32 p2)
{
	if (success) {
		DiagDirection dir = (DiagDirection)GB(p1, 0, 2);
		SndPlayTileFx(SND_1F_SPLAT, tile);
		if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
		BuildRoadOutsideStation(tile, dir);
		/* For a drive-through road stop build connecting road for other entrance */
		if (HasBit(p2, 1)) BuildRoadOutsideStation(tile, ReverseDiagDir(dir));
	}
}

static void PlaceRoad_Depot(TileIndex tile)
{
	DoCommandP(tile, _cur_roadtype << 2 | _road_depot_orientation, 0, CMD_BUILD_ROAD_DEPOT | CMD_MSG(_road_type_infos[_cur_roadtype].err_depot), CcRoadDepot);
}

static void PlaceRoadStop(TileIndex tile, uint32 p2, uint32 cmd)
{
	uint32 p1 = _road_station_picker_orientation;
	SB(p2, 16, 16, INVALID_STATION); // no station to join

	if (p1 >= DIAGDIR_END) {
		SetBit(p2, 1); // It's a drive-through stop
		p1 -= DIAGDIR_END; // Adjust picker result to actual direction
	}
	CommandContainer cmdcont = { tile, p1, p2, cmd, CcRoadDepot, "" };
	ShowSelectStationIfNeeded(cmdcont, TileArea(tile, 1, 1));
}

static void PlaceRoad_BusStation(TileIndex tile)
{
	if (_remove_button_clicked) {
		DoCommandP(tile, 0, ROADSTOP_BUS, CMD_REMOVE_ROAD_STOP | CMD_MSG(_road_type_infos[_cur_roadtype].err_remove_station[ROADSTOP_BUS]), CcPlaySound1D);
	} else {
		PlaceRoadStop(tile, (_ctrl_pressed << 5) | RoadTypeToRoadTypes(_cur_roadtype) << 2 | ROADSTOP_BUS, CMD_BUILD_ROAD_STOP | CMD_MSG(_road_type_infos[_cur_roadtype].err_build_station[ROADSTOP_BUS]));
	}
}

static void PlaceRoad_TruckStation(TileIndex tile)
{
	if (_remove_button_clicked) {
		DoCommandP(tile, 0, ROADSTOP_TRUCK, CMD_REMOVE_ROAD_STOP | CMD_MSG(_road_type_infos[_cur_roadtype].err_remove_station[ROADSTOP_TRUCK]), CcPlaySound1D);
	} else {
		PlaceRoadStop(tile, (_ctrl_pressed << 5) | RoadTypeToRoadTypes(_cur_roadtype) << 2 | ROADSTOP_TRUCK, CMD_BUILD_ROAD_STOP | CMD_MSG(_road_type_infos[_cur_roadtype].err_build_station[ROADSTOP_TRUCK]));
	}
}

/** Enum referring to the widgets of the build road toolbar */
enum RoadToolbarWidgets {
	RTW_CLOSEBOX = 0,
	RTW_CAPTION,
	RTW_STICKY,
	RTW_ROAD_X,
	RTW_ROAD_Y,
	RTW_AUTOROAD,
	RTW_DEMOLISH,
	RTW_DEPOT,
	RTW_BUS_STATION,
	RTW_TRUCK_STATION,
	RTW_ONE_WAY,
	RTW_BUILD_BRIDGE,
	RTW_BUILD_TUNNEL,
	RTW_REMOVE,
};

typedef void OnButtonClick(Window *w);


/** Toogles state of the Remove button of Build road toolbar
 * @param w window the button belongs to
 */
static void ToggleRoadButton_Remove(Window *w)
{
	w->ToggleWidgetLoweredState(RTW_REMOVE);
	w->SetWidgetDirty(RTW_REMOVE);
	_remove_button_clicked = w->IsWidgetLowered(RTW_REMOVE);
	SetSelectionRed(_remove_button_clicked);
}

/** Updates the Remove button because of Ctrl state change
 * @param w window the button belongs to
 * @return true iff the remove buton was changed
 */
static bool RoadToolbar_CtrlChanged(Window *w)
{
	if (w->IsWidgetDisabled(RTW_REMOVE)) return false;

	/* allow ctrl to switch remove mode only for these widgets */
	for (uint i = RTW_ROAD_X; i <= RTW_AUTOROAD; i++) {
		if (w->IsWidgetLowered(i)) {
			ToggleRoadButton_Remove(w);
			return true;
		}
	}

	return false;
}


/**
 * Function that handles the click on the
 *  X road placement button.
 *
 * @param w The current window
 */
static void BuildRoadClick_X_Dir(Window *w)
{
	HandlePlacePushButton(w, RTW_ROAD_X, _road_type_infos[_cur_roadtype].cursor_nwse, HT_RECT, PlaceRoad_X_Dir);
}

/**
 * Function that handles the click on the
 *  Y road placement button.
 *
 * @param w The current window
 */
static void BuildRoadClick_Y_Dir(Window *w)
{
	HandlePlacePushButton(w, RTW_ROAD_Y, _road_type_infos[_cur_roadtype].cursor_nesw, HT_RECT, PlaceRoad_Y_Dir);
}

/**
 * Function that handles the click on the
 *  autoroad placement button.
 *
 * @param w The current window
 */
static void BuildRoadClick_AutoRoad(Window *w)
{
	HandlePlacePushButton(w, RTW_AUTOROAD, _road_type_infos[_cur_roadtype].cursor_autoroad, HT_RECT, PlaceRoad_AutoRoad);
}

static void BuildRoadClick_Demolish(Window *w)
{
	HandlePlacePushButton(w, RTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT, PlaceProc_DemolishArea);
}

static void BuildRoadClick_Depot(Window *w)
{
	if (_game_mode == GM_EDITOR || !CanBuildVehicleInfrastructure(VEH_ROAD)) return;
	if (HandlePlacePushButton(w, RTW_DEPOT, SPR_CURSOR_ROAD_DEPOT, HT_RECT, PlaceRoad_Depot)) ShowRoadDepotPicker(w);
}

static void BuildRoadClick_BusStation(Window *w)
{
	if (_game_mode == GM_EDITOR || !CanBuildVehicleInfrastructure(VEH_ROAD)) return;
	if (HandlePlacePushButton(w, RTW_BUS_STATION, SPR_CURSOR_BUS_STATION, HT_RECT, PlaceRoad_BusStation)) ShowRVStationPicker(w, ROADSTOP_BUS);
}

static void BuildRoadClick_TruckStation(Window *w)
{
	if (_game_mode == GM_EDITOR || !CanBuildVehicleInfrastructure(VEH_ROAD)) return;
	if (HandlePlacePushButton(w, RTW_TRUCK_STATION, SPR_CURSOR_TRUCK_STATION, HT_RECT, PlaceRoad_TruckStation)) ShowRVStationPicker(w, ROADSTOP_TRUCK);
}

/**
 * Function that handles the click on the
 *  one way road button.
 *
 * @param w The current window
 */
static void BuildRoadClick_OneWay(Window *w)
{
	if (w->IsWidgetDisabled(RTW_ONE_WAY)) return;
	w->SetDirty();
	w->ToggleWidgetLoweredState(RTW_ONE_WAY);
	SetSelectionRed(false);
}

static void BuildRoadClick_Bridge(Window *w)
{
	HandlePlacePushButton(w, RTW_BUILD_BRIDGE, SPR_CURSOR_BRIDGE, HT_RECT, PlaceRoad_Bridge);
}

static void BuildRoadClick_Tunnel(Window *w)
{
	HandlePlacePushButton(w, RTW_BUILD_TUNNEL, SPR_CURSOR_ROAD_TUNNEL, HT_SPECIAL, PlaceRoad_Tunnel);
}

static void BuildRoadClick_Remove(Window *w)
{
	if (w->IsWidgetDisabled(RTW_REMOVE)) return;

	DeleteWindowById(WC_SELECT_STATION, 0);
	ToggleRoadButton_Remove(w);
	SndPlayFx(SND_15_BEEP);
}

/** Array with the handlers of the button-clicks for the road-toolbar */
static OnButtonClick * const _build_road_button_proc[] = {
	BuildRoadClick_X_Dir,
	BuildRoadClick_Y_Dir,
	BuildRoadClick_AutoRoad,
	BuildRoadClick_Demolish,
	BuildRoadClick_Depot,
	BuildRoadClick_BusStation,
	BuildRoadClick_TruckStation,
	BuildRoadClick_OneWay,
	BuildRoadClick_Bridge,
	BuildRoadClick_Tunnel,
	BuildRoadClick_Remove
};

/** Array with the keycode of the button-clicks for the road-toolbar */
static const uint16 _road_keycodes[] = {
	'1',
	'2',
	'3',
	'4',
	'5',
	'6',
	'7',
	'8',
	'B',
	'T',
	'R',
};

struct BuildRoadToolbarWindow : Window {
	BuildRoadToolbarWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
	{
		this->InitNested(desc, window_number);
		this->SetWidgetsDisabledState(true,
			RTW_REMOVE,
			RTW_ONE_WAY,
			WIDGET_LIST_END);

		this->SetWidgetsDisabledState(!CanBuildVehicleInfrastructure(VEH_ROAD),
			RTW_DEPOT,
			RTW_BUS_STATION,
			RTW_TRUCK_STATION,
			WIDGET_LIST_END);

		if (_settings_client.gui.link_terraform_toolbar) ShowTerraformToolbar(this);
	}

	~BuildRoadToolbarWindow()
	{
		if (_settings_client.gui.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0, false);
	}

	/**
	 * Update the remove button lowered state of the road toolbar
	 *
	 * @param clicked_widget The widget which the client clicked just now
	 */
	void UpdateOptionWidgetStatus(RoadToolbarWidgets clicked_widget)
	{
		/* The remove and the one way button state is driven
		 * by the other buttons so they don't act on themselfs.
		 * Both are only valid if they are able to apply as options. */
		switch (clicked_widget) {
			case RTW_REMOVE:
				this->RaiseWidget(RTW_ONE_WAY);
				this->SetWidgetDirty(RTW_ONE_WAY);
				break;

			case RTW_ONE_WAY:
				this->RaiseWidget(RTW_REMOVE);
				this->SetWidgetDirty(RTW_REMOVE);
				break;

			case RTW_BUS_STATION:
			case RTW_TRUCK_STATION:
				this->DisableWidget(RTW_ONE_WAY);
				this->SetWidgetDisabledState(RTW_REMOVE, !this->IsWidgetLowered(clicked_widget));
				break;

			case RTW_ROAD_X:
			case RTW_ROAD_Y:
			case RTW_AUTOROAD:
				this->SetWidgetsDisabledState(!this->IsWidgetLowered(clicked_widget),
					RTW_REMOVE,
					RTW_ONE_WAY,
					WIDGET_LIST_END);
				break;

			default:
				/* When any other buttons than road/station, raise and
				 * disable the removal button */
				this->SetWidgetsDisabledState(true,
					RTW_REMOVE,
					RTW_ONE_WAY,
					WIDGET_LIST_END);
				this->SetWidgetsLoweredState(false,
					RTW_REMOVE,
					RTW_ONE_WAY,
					WIDGET_LIST_END);
				break;
		}
	}

	virtual void OnPaint()
	{
		this->DrawWidgets();
	}

	virtual void OnClick(Point pt, int widget)
	{
		if (widget >= RTW_ROAD_X) {
			_remove_button_clicked = false;
			_one_way_button_clicked = false;
			_build_road_button_proc[widget - RTW_ROAD_X](this);
		}
		this->UpdateOptionWidgetStatus((RoadToolbarWidgets)widget);
		if (_ctrl_pressed) RoadToolbar_CtrlChanged(this);
	}

	virtual EventState OnKeyPress(uint16 key, uint16 keycode)
	{
		EventState state = ES_NOT_HANDLED;
		for (uint i = 0; i != lengthof(_road_keycodes); i++) {
			if (keycode == _road_keycodes[i]) {
				_remove_button_clicked = false;
				_one_way_button_clicked = false;
				_build_road_button_proc[i](this);
				this->UpdateOptionWidgetStatus((RoadToolbarWidgets)(i + RTW_ROAD_X));
				if (_ctrl_pressed) RoadToolbar_CtrlChanged(this);
				state = ES_HANDLED;
				break;
			}
		}
		MarkTileDirtyByTile(TileVirtXY(_thd.pos.x, _thd.pos.y)); // redraw tile selection
		return state;
	}

	virtual void OnPlaceObject(Point pt, TileIndex tile)
	{
		_remove_button_clicked = this->IsWidgetLowered(RTW_REMOVE);
		_one_way_button_clicked = this->IsWidgetLowered(RTW_ONE_WAY);
		_place_proc(tile);
	}

	virtual void OnPlaceObjectAbort()
	{
		this->RaiseButtons();
		this->SetWidgetsDisabledState(true,
			RTW_REMOVE,
			RTW_ONE_WAY,
			WIDGET_LIST_END);
		this->SetWidgetDirty(RTW_REMOVE);
		this->SetWidgetDirty(RTW_ONE_WAY);

		DeleteWindowById(WC_BUS_STATION, TRANSPORT_ROAD);
		DeleteWindowById(WC_TRUCK_STATION, TRANSPORT_ROAD);
		DeleteWindowById(WC_BUILD_DEPOT, TRANSPORT_ROAD);
		DeleteWindowById(WC_SELECT_STATION, 0);
		DeleteWindowByClass(WC_BUILD_BRIDGE);
	}

	virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
	{
		/* Here we update the end tile flags
		 * of the road placement actions.
		 * At first we reset the end halfroad
		 * bits and if needed we set them again. */
		switch (select_proc) {
			case DDSP_PLACE_ROAD_X_DIR:
				_place_road_flag &= ~RF_END_HALFROAD_X;
				if (pt.x & 8) _place_road_flag |= RF_END_HALFROAD_X;
				break;

			case DDSP_PLACE_ROAD_Y_DIR:
				_place_road_flag &= ~RF_END_HALFROAD_Y;
				if (pt.y & 8) _place_road_flag |= RF_END_HALFROAD_Y;
				break;

			case DDSP_PLACE_AUTOROAD:
				_place_road_flag &= ~(RF_END_HALFROAD_Y | RF_END_HALFROAD_X);
				if (pt.y & 8) _place_road_flag |= RF_END_HALFROAD_Y;
				if (pt.x & 8) _place_road_flag |= RF_END_HALFROAD_X;

				/* For autoroad we need to update the
				 * direction of the road */
				if (_thd.size.x > _thd.size.y || (_thd.size.x == _thd.size.y &&
						( (_tile_fract_coords.x < _tile_fract_coords.y && (_tile_fract_coords.x + _tile_fract_coords.y) < 16) ||
						(_tile_fract_coords.x > _tile_fract_coords.y && (_tile_fract_coords.x + _tile_fract_coords.y) > 16) ))) {
					/* Set dir = X */
					_place_road_flag &= ~RF_DIR_Y;
				} else {
					/* Set dir = Y */
					_place_road_flag |= RF_DIR_Y;
				}

				break;

			default:
				break;
		}

		VpSelectTilesWithMethod(pt.x, pt.y, select_method);
	}

	virtual void OnPlaceMouseUp(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt, TileIndex start_tile, TileIndex end_tile)
	{
		if (pt.x != -1) {
			switch (select_proc) {
				default: NOT_REACHED();
				case DDSP_BUILD_BRIDGE:
					if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
					ShowBuildBridgeWindow(start_tile, end_tile, TRANSPORT_ROAD, RoadTypeToRoadTypes(_cur_roadtype));
					break;

				case DDSP_DEMOLISH_AREA:
					GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
					break;

				case DDSP_PLACE_ROAD_X_DIR:
				case DDSP_PLACE_ROAD_Y_DIR:
				case DDSP_PLACE_AUTOROAD:
					/* Flag description:
					 * Use the first three bits (0x07) if dir == Y
					 * else use the last 2 bits (X dir has
					 * not the 3rd bit set) */
					_place_road_flag = (RoadFlags)((_place_road_flag & RF_DIR_Y) ? (_place_road_flag & 0x07) : (_place_road_flag >> 3));

					DoCommandP(end_tile, start_tile, _place_road_flag | (_cur_roadtype << 3) | (_one_way_button_clicked << 5),
						_remove_button_clicked ?
						CMD_REMOVE_LONG_ROAD | CMD_MSG(_road_type_infos[_cur_roadtype].err_remove_road) :
						CMD_BUILD_LONG_ROAD | CMD_MSG(_road_type_infos[_cur_roadtype].err_build_road), CcPlaySound1D);
					break;
			}
		}
	}

	virtual void OnPlacePresize(Point pt, TileIndex tile)
	{
		DoCommand(tile, 0x200 | RoadTypeToRoadTypes(_cur_roadtype), 0, DC_AUTO, CMD_BUILD_TUNNEL);
		VpSetPresizeRange(tile, _build_tunnel_endtile == 0 ? tile : _build_tunnel_endtile);
	}

	virtual EventState OnCTRLStateChange()
	{
		if (RoadToolbar_CtrlChanged(this)) return ES_HANDLED;
		return ES_NOT_HANDLED;
	}
};

static const NWidgetPart _nested_build_road_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN, RTW_CLOSEBOX),
		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, RTW_CAPTION), SetDataTip(STR_ROAD_TOOLBAR_ROAD_CONSTRUCTION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
		NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN, RTW_STICKY),
	EndContainer(),
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_ROAD_X),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_ROAD_Y),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_AUTOROAD),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOROAD, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOROAD),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEMOLISH),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEPOT),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_DEPOT, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_VEHICLE_DEPOT),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUS_STATION),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_BUS_STATION, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_BUS_STATION),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_TRUCK_STATION),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRUCK_BAY, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRUCK_LOADING_BAY),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_ONE_WAY),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_ONE_WAY, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_ONE_WAY_ROAD),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_BRIDGE),
						SetFill(false, true), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_BRIDGE),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_TUNNEL),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_TUNNEL),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_REMOVE),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_ROAD),
	EndContainer(),
};

static const WindowDesc _build_road_desc(
	WDP_ALIGN_TBR, 22, 263, 36, 263, 36,
	WC_BUILD_TOOLBAR, WC_NONE,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON | WDF_CONSTRUCTION,
	NULL, _nested_build_road_widgets, lengthof(_nested_build_road_widgets)
);

static const NWidgetPart _nested_build_tramway_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN, RTW_CLOSEBOX),
		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, RTW_CAPTION), SetDataTip(STR_ROAD_TOOLBAR_TRAM_CONSTRUCTION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
		NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN, RTW_STICKY),
	EndContainer(),
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_ROAD_X),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_ROAD_Y),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRAMWAY_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_SECTION),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_AUTOROAD),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOTRAM, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOTRAM),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEMOLISH),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEPOT),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_DEPOT, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAM_VEHICLE_DEPOT),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUS_STATION),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_BUS_STATION, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_PASSENGER_TRAM_STATION),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_TRUCK_STATION),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_TRUCK_BAY, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_CARGO_TRAM_STATION),
		NWidget(WWT_EMPTY, COLOUR_DARK_GREEN, RTW_ONE_WAY), // Stub so we don't have to litter the GUI code with checks whether it exists
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_BRIDGE),
						SetFill(false, true), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_BRIDGE),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_TUNNEL),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_TRAMWAY_TUNNEL),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_REMOVE),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_TRAMWAYS),
	EndContainer(),
};

static const WindowDesc _build_tramway_desc(
	WDP_ALIGN_TBR, 22, 241, 36, 241, 36,
	WC_BUILD_TOOLBAR, WC_NONE,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON | WDF_CONSTRUCTION,
	NULL, _nested_build_tramway_widgets, lengthof(_nested_build_tramway_widgets)
);

void ShowBuildRoadToolbar(RoadType roadtype)
{
	if (!Company::IsValidID(_local_company)) return;
	_cur_roadtype = roadtype;

	DeleteWindowByClass(WC_BUILD_TOOLBAR);
	AllocateWindowDescFront<BuildRoadToolbarWindow>(roadtype == ROADTYPE_ROAD ? &_build_road_desc : &_build_tramway_desc, TRANSPORT_ROAD);
}

static const NWidgetPart _nested_build_road_scen_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN, RTW_CLOSEBOX),
		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, RTW_CAPTION), SetDataTip(STR_ROAD_TOOLBAR_ROAD_CONSTRUCTION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
		NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN, RTW_STICKY),
	EndContainer(),
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_ROAD_X),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_X_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_ROAD_Y),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_Y_DIR, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_SECTION),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_AUTOROAD),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_AUTOROAD, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_AUTOROAD),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_DEMOLISH),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_ONE_WAY),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_ONE_WAY, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_ONE_WAY_ROAD),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_BRIDGE),
						SetFill(false, true), SetMinimalSize(43, 22), SetDataTip(SPR_IMG_BRIDGE, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_BRIDGE),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_BUILD_TUNNEL),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_ROAD_TUNNEL, STR_ROAD_TOOLBAR_TOOLTIP_BUILD_ROAD_TUNNEL),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, RTW_REMOVE),
						SetFill(false, true), SetMinimalSize(22, 22), SetDataTip(SPR_IMG_REMOVE, STR_ROAD_TOOLBAR_TOOLTIP_TOGGLE_BUILD_REMOVE_FOR_ROAD),
	EndContainer(),
};

static const WindowDesc _build_road_scen_desc(
	WDP_AUTO, WDP_AUTO, 197, 36, 197, 36,
	WC_SCEN_BUILD_TOOLBAR, WC_NONE,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON | WDF_CONSTRUCTION,
	NULL, _nested_build_road_scen_widgets, lengthof(_nested_build_road_scen_widgets)
);

void ShowBuildRoadScenToolbar()
{
	_cur_roadtype = ROADTYPE_ROAD;
	AllocateWindowDescFront<BuildRoadToolbarWindow>(&_build_road_scen_desc, 0);
}

/** Enum referring to the widgets of the build road depot window */
enum BuildRoadDepotWidgets {
	BRDW_CLOSEBOX = 0,
	BRDW_CAPTION,
	BRDW_BACKGROUND,
	BRDW_DEPOT_NE,
	BRDW_DEPOT_SE,
	BRDW_DEPOT_SW,
	BRDW_DEPOT_NW,
};

struct BuildRoadDepotWindow : public PickerWindowBase {
	BuildRoadDepotWindow(const WindowDesc *desc, Window *parent) : PickerWindowBase(parent)
	{
		this->CreateNestedTree(desc);

		this->LowerWidget(_road_depot_orientation + BRDW_DEPOT_NE);
		if ( _cur_roadtype == ROADTYPE_TRAM) {
			this->GetWidget<NWidgetCore>(BRDW_CAPTION)->widget_data = STR_BUILD_DEPOT_TRAM_ORIENTATION_CAPTION;
			for (int i = BRDW_DEPOT_NE; i <= BRDW_DEPOT_NW; i++) this->GetWidget<NWidgetCore>(i)->tool_tip = STR_BUILD_DEPOT_TRAM_ORIENTATION_SELECT_TOOLTIP;
		}

		this->FinishInitNested(desc, TRANSPORT_ROAD);
	}

	virtual void OnPaint()
	{
		this->DrawWidgets();
	}

	virtual void DrawWidget(const Rect &r, int widget) const
	{
		if (!IsInsideMM(widget, BRDW_DEPOT_NE, BRDW_DEPOT_NW + 1)) return;

		DrawRoadDepotSprite(r.left - 1, r.top, (DiagDirection)(widget - BRDW_DEPOT_NE + DIAGDIR_NE), _cur_roadtype);
	}

	virtual void OnClick(Point pt, int widget)
	{
		switch (widget) {
			case BRDW_DEPOT_NW:
			case BRDW_DEPOT_NE:
			case BRDW_DEPOT_SW:
			case BRDW_DEPOT_SE:
				this->RaiseWidget(_road_depot_orientation + BRDW_DEPOT_NE);
				_road_depot_orientation = (DiagDirection)(widget - BRDW_DEPOT_NE);
				this->LowerWidget(_road_depot_orientation + BRDW_DEPOT_NE);
				SndPlayFx(SND_15_BEEP);
				this->SetDirty();
				break;

			default:
				break;
		}
	}
};

static const NWidgetPart _nested_build_road_depot_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN, BRDW_CLOSEBOX),
		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, BRDW_CAPTION), SetMinimalSize(129, 14), SetDataTip(STR_BUILD_DEPOT_ROAD_ORIENTATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRDW_BACKGROUND),
		NWidget(NWID_SPACER), SetMinimalSize(0, 3),
		NWidget(NWID_HORIZONTAL_LTR),
			NWidget(NWID_SPACER), SetMinimalSize(3, 0),
			NWidget(NWID_VERTICAL),
				NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
				EndContainer(),
				NWidget(NWID_SPACER), SetMinimalSize(0, 2),
				NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SW), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
				EndContainer(),
			EndContainer(),
			NWidget(NWID_SPACER), SetMinimalSize(2, 0),
			NWidget(NWID_VERTICAL),
				NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_NE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
				EndContainer(),
				NWidget(NWID_SPACER), SetMinimalSize(0, 2),
				NWidget(WWT_PANEL, COLOUR_GREY, BRDW_DEPOT_SE), SetMinimalSize(66, 50), SetDataTip(0x0, STR_BUILD_DEPOT_ROAD_ORIENTATION_SELECT_TOOLTIP),
				EndContainer(),
			EndContainer(),
			NWidget(NWID_SPACER), SetMinimalSize(3, 0),
		EndContainer(),
		NWidget(NWID_SPACER), SetMinimalSize(0, 3),
	EndContainer(),
};

static const WindowDesc _build_road_depot_desc(
	WDP_AUTO, WDP_AUTO, 140, 122, 140, 122,
	WC_BUILD_DEPOT, WC_BUILD_TOOLBAR,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_CONSTRUCTION,
	NULL, _nested_build_road_depot_widgets, lengthof(_nested_build_road_depot_widgets)
);

static void ShowRoadDepotPicker(Window *parent)
{
	new BuildRoadDepotWindow(&_build_road_depot_desc, parent);
}

/** Enum referring to the widgets of the build road station window */
enum BuildRoadStationWidgets {
	BRSW_CLOSEBOX = 0,
	BRSW_CAPTION,
	BRSW_BACKGROUND,
	BRSW_STATION_NE,
	BRSW_STATION_SE,
	BRSW_STATION_SW,
	BRSW_STATION_NW,
	BRSW_STATION_X,
	BRSW_STATION_Y,
	BRSW_LT_OFF,
	BRSW_LT_ON,
	BRSW_INFO,
};

struct BuildRoadStationWindow : public PickerWindowBase {
	BuildRoadStationWindow(const WindowDesc *desc, Window *parent, RoadStopType rs) : PickerWindowBase(parent)
	{
		this->CreateNestedTree(desc);

		/* Trams don't have non-drivethrough stations */
		if (_cur_roadtype == ROADTYPE_TRAM && _road_station_picker_orientation < DIAGDIR_END) {
			_road_station_picker_orientation = DIAGDIR_END;
		}
		this->SetWidgetsDisabledState(_cur_roadtype == ROADTYPE_TRAM,
			BRSW_STATION_NE,
			BRSW_STATION_SE,
			BRSW_STATION_SW,
			BRSW_STATION_NW,
			WIDGET_LIST_END);

		this->GetWidget<NWidgetCore>(BRSW_CAPTION)->widget_data = _road_type_infos[_cur_roadtype].picker_title[rs];
		for (uint i = BRSW_STATION_NE; i < BRSW_LT_OFF; i++) this->GetWidget<NWidgetCore>(i)->tool_tip = _road_type_infos[_cur_roadtype].picker_tooltip[rs];

		this->LowerWidget(_road_station_picker_orientation + BRSW_STATION_NE);
		this->LowerWidget(_settings_client.gui.station_show_coverage + BRSW_LT_OFF);

		this->FinishInitNested(desc, TRANSPORT_ROAD);

		this->window_class = (rs == ROADSTOP_BUS) ? WC_BUS_STATION : WC_TRUCK_STATION;
	}

	virtual ~BuildRoadStationWindow()
	{
		DeleteWindowById(WC_SELECT_STATION, 0);
	}

	virtual void OnPaint()
	{
		this->DrawWidgets();

		int rad = _settings_game.station.modified_catchment ? CA_TRUCK /* = CA_BUS */ : CA_UNMODIFIED;
		if (_settings_client.gui.station_show_coverage) {
			SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
		} else {
			SetTileSelectSize(1, 1);
		}

		/* 'Accepts' and 'Supplies' texts. */
		StationCoverageType sct = (this->window_class == WC_BUS_STATION) ? SCT_PASSENGERS_ONLY : SCT_NON_PASSENGERS_ONLY;
		int top = this->GetWidget<NWidgetBase>(BRSW_LT_ON)->pos_y + this->GetWidget<NWidgetBase>(BRSW_LT_ON)->current_y + WD_PAR_VSEP_NORMAL;
		NWidgetBase *back_nwi = this->GetWidget<NWidgetBase>(BRSW_BACKGROUND);
		int right = back_nwi->pos_x +  back_nwi->current_x;
		int bottom = back_nwi->pos_y +  back_nwi->current_y;
		top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, sct, rad, false) + WD_PAR_VSEP_NORMAL;
		top = DrawStationCoverageAreaText(back_nwi->pos_x + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, sct, rad, true) + WD_PAR_VSEP_NORMAL;
		/* Resize background if the text is not equally long as the window. */
		if (top > bottom || (top < bottom && back_nwi->current_y > back_nwi->smallest_y)) {
			ResizeWindow(this, 0, top - bottom);
		}
	}

	virtual void DrawWidget(const Rect &r, int widget) const
	{
		if (!IsInsideMM(widget, BRSW_STATION_NE, BRSW_STATION_Y + 1)) return;

		StationType st = (this->window_class == WC_BUS_STATION) ? STATION_BUS : STATION_TRUCK;
		StationPickerDrawSprite(r.left + TILE_PIXELS, r.bottom - TILE_PIXELS, st, INVALID_RAILTYPE, widget < BRSW_STATION_X ? ROADTYPE_ROAD : _cur_roadtype, widget - BRSW_STATION_NE);
	}

	virtual void OnClick(Point pt, int widget)
	{
		switch (widget) {
			case BRSW_STATION_NE:
			case BRSW_STATION_SE:
			case BRSW_STATION_SW:
			case BRSW_STATION_NW:
			case BRSW_STATION_X:
			case BRSW_STATION_Y:
				this->RaiseWidget(_road_station_picker_orientation + BRSW_STATION_NE);
				_road_station_picker_orientation = (DiagDirection)(widget - BRSW_STATION_NE);
				this->LowerWidget(_road_station_picker_orientation + BRSW_STATION_NE);
				SndPlayFx(SND_15_BEEP);
				this->SetDirty();
				DeleteWindowById(WC_SELECT_STATION, 0);
				break;

			case BRSW_LT_OFF:
			case BRSW_LT_ON:
				this->RaiseWidget(_settings_client.gui.station_show_coverage + BRSW_LT_OFF);
				_settings_client.gui.station_show_coverage = (widget != BRSW_LT_OFF);
				this->LowerWidget(_settings_client.gui.station_show_coverage + BRSW_LT_OFF);
				SndPlayFx(SND_15_BEEP);
				this->SetDirty();
				break;

			default:
				break;
		}
	}

	virtual void OnTick()
	{
		CheckRedrawStationCoverage(this);
	}
};

/** Widget definition of the build road station window */
static const NWidgetPart _nested_rv_station_picker_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN, BRSW_CLOSEBOX),
		NWidget(WWT_CAPTION,  COLOUR_DARK_GREEN, BRSW_CAPTION),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_DARK_GREEN, BRSW_BACKGROUND),
		NWidget(NWID_SPACER), SetMinimalSize(0, 3),
		NWidget(NWID_HORIZONTAL), SetPIP(3, 2, 2),
			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_NW), SetMinimalSize(66, 50), EndContainer(),
			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_NE), SetMinimalSize(66, 50), EndContainer(),
			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_X),  SetMinimalSize(66, 50), EndContainer(),
		EndContainer(),
		NWidget(NWID_SPACER), SetMinimalSize(0, 2),
		NWidget(NWID_HORIZONTAL), SetPIP(3, 2, 2),
			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_SW), SetMinimalSize(66, 50), EndContainer(),
			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_SE), SetMinimalSize(66, 50), EndContainer(),
			NWidget(WWT_PANEL, COLOUR_GREY, BRSW_STATION_Y),  SetMinimalSize(66, 50), EndContainer(),
		EndContainer(),
		NWidget(NWID_SPACER), SetMinimalSize(0, 1),
		NWidget(NWID_HORIZONTAL),
			NWidget(WWT_LABEL, COLOUR_DARK_GREEN, BRSW_INFO), SetMinimalSize(140, 14), SetDataTip(STR_STATION_BUILD_COVERAGE_AREA_TITLE, STR_NULL),
			NWidget(NWID_SPACER), SetFill(true, false),
		EndContainer(),
		NWidget(NWID_HORIZONTAL),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_LT_OFF), SetMinimalSize(60, 12), SetPadding(0, 0, 0, 10),
											SetDataTip(STR_STATION_BUILD_COVERAGE_OFF, STR_STATION_BUILD_COVERAGE_AREA_OFF_TOOLTIP),
			NWidget(WWT_TEXTBTN, COLOUR_GREY, BRSW_LT_ON), SetMinimalSize(60, 12),
											SetDataTip(STR_STATION_BUILD_COVERAGE_ON, STR_STATION_BUILD_COVERAGE_AREA_ON_TOOLTIP),
			NWidget(NWID_SPACER), SetFill(true, false),
		EndContainer(),
		NWidget(NWID_SPACER), SetMinimalSize(0, 10), SetResize(0, 1),
	EndContainer(),
};

static const WindowDesc _rv_station_picker_desc(
	WDP_AUTO, WDP_AUTO, 207, 178, 207, 178,
	WC_BUS_STATION, WC_BUILD_TOOLBAR,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_CONSTRUCTION,
	NULL, _nested_rv_station_picker_widgets, lengthof(_nested_rv_station_picker_widgets)
);

static void ShowRVStationPicker(Window *parent, RoadStopType rs)
{
	new BuildRoadStationWindow(&_rv_station_picker_desc, parent, rs);
}

void InitializeRoadGui()
{
	_road_depot_orientation = DIAGDIR_NW;
	_road_station_picker_orientation = DIAGDIR_NW;
}