summaryrefslogtreecommitdiff
path: root/src/terraform_gui.cpp
blob: 8f81e08d6bef065c7dd13affe6a0351c7e37ea6d (plain)
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
/* $Id$ */

/*
 * 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 terraform_gui.cpp GUI related to terraforming the map. */

#include "stdafx.h"
#include "clear_map.h"
#include "company_func.h"
#include "company_base.h"
#include "gui.h"
#include "window_gui.h"
#include "window_func.h"
#include "viewport_func.h"
#include "command_func.h"
#include "signs_func.h"
#include "functions.h"
#include "sound_func.h"
#include "base_station_base.h"
#include "unmovable_map.h"
#include "textbuf_gui.h"
#include "genworld.h"
#include "tree_map.h"
#include "landscape_type.h"
#include "tilehighlight_func.h"
#include "strings_func.h"
#include "hotkeys.h"

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

void CcTerraform(const CommandCost &result, TileIndex tile, uint32 p1, uint32 p2)
{
	if (result.Succeeded()) {
		SndPlayTileFx(SND_1F_SPLAT, tile);
	} else {
		extern TileIndex _terraform_err_tile;
		SetRedErrorSquare(_terraform_err_tile);
	}
}


/** Scenario editor command that generates desert areas */
static void GenerateDesertArea(TileIndex end, TileIndex start)
{
	if (_game_mode != GM_EDITOR) return;

	_generating_world = true;

	TileArea ta(start, end);
	TILE_AREA_LOOP(tile, ta) {
		SetTropicZone(tile, (_ctrl_pressed) ? TROPICZONE_NORMAL : TROPICZONE_DESERT);
		DoCommandP(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
		MarkTileDirtyByTile(tile);
	}
	_generating_world = false;
}

/** Scenario editor command that generates rocky areas */
static void GenerateRockyArea(TileIndex end, TileIndex start)
{
	if (_game_mode != GM_EDITOR) return;

	bool success = false;
	TileArea ta(start, end);

	TILE_AREA_LOOP(tile, ta) {
		switch (GetTileType(tile)) {
			case MP_TREES:
				if (GetTreeGround(tile) == TREE_GROUND_SHORE) continue;
			/* FALL THROUGH */
			case MP_CLEAR:
				MakeClear(tile, CLEAR_ROCKS, 3);
				break;

			default: continue;
		}
		MarkTileDirtyByTile(tile);
		success = true;
	}

	if (success) SndPlayTileFx(SND_1F_SPLAT, end);
}

/**
 * A central place to handle all X_AND_Y dragged GUI functions.
 * @param proc       Procedure related to the dragging
 * @param start_tile Begin of the dragging
 * @param end_tile   End of the dragging
 * @return Returns true if the action was found and handled, and false otherwise. This
 * allows for additional implements that are more local. For example X_Y drag
 * of convertrail which belongs in rail_gui.cpp and not terraform_gui.cpp
 **/
bool GUIPlaceProcDragXY(ViewportDragDropSelectionProcess proc, TileIndex start_tile, TileIndex end_tile)
{
	if (!_settings_game.construction.freeform_edges) {
		/* When end_tile is MP_VOID, the error tile will not be visible to the
		 * user. This happens when terraforming at the southern border. */
		if (TileX(end_tile) == MapMaxX()) end_tile += TileDiffXY(-1, 0);
		if (TileY(end_tile) == MapMaxY()) end_tile += TileDiffXY(0, -1);
	}

	switch (proc) {
		case DDSP_DEMOLISH_AREA:
			DoCommandP(end_tile, start_tile, 0, CMD_CLEAR_AREA | CMD_MSG(STR_ERROR_CAN_T_CLEAR_THIS_AREA), CcPlaySound10);
			break;
		case DDSP_RAISE_AND_LEVEL_AREA:
			DoCommandP(end_tile, start_tile, 1, CMD_LEVEL_LAND | CMD_MSG(STR_ERROR_CAN_T_RAISE_LAND_HERE), CcTerraform);
			break;
		case DDSP_LOWER_AND_LEVEL_AREA:
			DoCommandP(end_tile, start_tile, (uint32)-1, CMD_LEVEL_LAND | CMD_MSG(STR_ERROR_CAN_T_LOWER_LAND_HERE), CcTerraform);
			break;
		case DDSP_LEVEL_AREA:
			DoCommandP(end_tile, start_tile, 0, CMD_LEVEL_LAND | CMD_MSG(STR_ERROR_CAN_T_LEVEL_LAND_HERE), CcTerraform);
			break;
		case DDSP_CREATE_ROCKS:
			GenerateRockyArea(end_tile, start_tile);
			break;
		case DDSP_CREATE_DESERT:
			GenerateDesertArea(end_tile, start_tile);
			break;
		default:
			return false;
	}

	return true;
}

typedef void OnButtonClick(Window *w);

static void PlaceProc_BuyLand(TileIndex tile)
{
	DoCommandP(tile, 0, 0, CMD_PURCHASE_LAND_AREA | CMD_MSG(STR_ERROR_CAN_T_PURCHASE_THIS_LAND), CcPlaySound1E);
}

void PlaceProc_DemolishArea(TileIndex tile)
{
	VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_DEMOLISH_AREA);
}

static void PlaceProc_RaiseLand(TileIndex tile)
{
	VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_RAISE_AND_LEVEL_AREA);
}

static void PlaceProc_LowerLand(TileIndex tile)
{
	VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_LOWER_AND_LEVEL_AREA);
}

static void PlaceProc_LevelLand(TileIndex tile)
{
	VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_LEVEL_AREA);
}

/** Enum referring to the widgets of the terraform toolbar */
enum TerraformToolbarWidgets {
	TTW_BUTTONS_START,                    ///< Start of pushable buttons
	TTW_LOWER_LAND = TTW_BUTTONS_START,   ///< Lower land button
	TTW_RAISE_LAND,                       ///< Raise land button
	TTW_LEVEL_LAND,                       ///< Level land button
	TTW_DEMOLISH,                         ///< Demolish aka dynamite button
	TTW_BUY_LAND,                         ///< Buy land button
	TTW_PLANT_TREES,                      ///< Plant trees button (note: opens seperate window, no place-push-button)
	TTW_PLACE_SIGN,                       ///< Place sign button
};

static void TerraformClick_Lower(Window *w)
{
	HandlePlacePushButton(w, TTW_LOWER_LAND, ANIMCURSOR_LOWERLAND, HT_POINT, PlaceProc_LowerLand);
}

static void TerraformClick_Raise(Window *w)
{
	HandlePlacePushButton(w, TTW_RAISE_LAND, ANIMCURSOR_RAISELAND, HT_POINT, PlaceProc_RaiseLand);
}

static void TerraformClick_Level(Window *w)
{
	HandlePlacePushButton(w, TTW_LEVEL_LAND, SPR_CURSOR_LEVEL_LAND, HT_POINT, PlaceProc_LevelLand);
}

static void TerraformClick_Dynamite(Window *w)
{
	HandlePlacePushButton(w, TTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT, PlaceProc_DemolishArea);
}

static void TerraformClick_BuyLand(Window *w)
{
	HandlePlacePushButton(w, TTW_BUY_LAND, SPR_CURSOR_BUY_LAND, HT_RECT, PlaceProc_BuyLand);
}

static void TerraformClick_Trees(Window *w)
{
	/* This button is NOT a place-push-button, so don't treat it as such */
	ShowBuildTreesToolbar();
}

static void TerraformClick_PlaceSign(Window *w)
{
	HandlePlacePushButton(w, TTW_PLACE_SIGN, SPR_CURSOR_SIGN, HT_RECT, PlaceProc_Sign);
}

static OnButtonClick * const _terraform_button_proc[] = {
	TerraformClick_Lower,
	TerraformClick_Raise,
	TerraformClick_Level,
	TerraformClick_Dynamite,
	TerraformClick_BuyLand,
	TerraformClick_Trees,
	TerraformClick_PlaceSign,
};

struct TerraformToolbarWindow : Window {
	TerraformToolbarWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
	{
		this->InitNested(desc, window_number);
	}

	~TerraformToolbarWindow()
	{
	}

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

	virtual void OnClick(Point pt, int widget, int click_count)
	{
		if (widget >= TTW_BUTTONS_START) _terraform_button_proc[widget - TTW_BUTTONS_START](this);
	}

	virtual EventState OnKeyPress(uint16 key, uint16 keycode)
	{
		int num = CheckHotkeyMatch(terraform_hotkeys, keycode, this);
		if (num == -1) return ES_NOT_HANDLED;
		this->OnClick(Point(), num, 1);
		return ES_HANDLED;
	}

	virtual void OnPlaceObject(Point pt, TileIndex tile)
	{
		_place_proc(tile);
	}

	virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
	{
		VpSelectTilesWithMethod(pt.x, pt.y, select_method);
	}

	virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number)
	{
		Point pt = GetToolbarAlignedWindowPosition(sm_width);
		pt.y += sm_height;
		return pt;
	}

	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_DEMOLISH_AREA:
				case DDSP_RAISE_AND_LEVEL_AREA:
				case DDSP_LOWER_AND_LEVEL_AREA:
				case DDSP_LEVEL_AREA:
					GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
					break;
			}
		}
	}

	virtual void OnPlaceObjectAbort()
	{
		this->RaiseButtons();
	}

	static Hotkey<TerraformToolbarWindow> terraform_hotkeys[];
};

Hotkey<TerraformToolbarWindow> TerraformToolbarWindow::terraform_hotkeys[] = {
	Hotkey<TerraformToolbarWindow>('Q' | WKC_GLOBAL_HOTKEY, "lower", TTW_LOWER_LAND),
	Hotkey<TerraformToolbarWindow>('W' | WKC_GLOBAL_HOTKEY, "raise", TTW_RAISE_LAND),
	Hotkey<TerraformToolbarWindow>('E' | WKC_GLOBAL_HOTKEY, "level", TTW_LEVEL_LAND),
	Hotkey<TerraformToolbarWindow>('D' | WKC_GLOBAL_HOTKEY, "dynamite", TTW_DEMOLISH),
	Hotkey<TerraformToolbarWindow>('U', "buyland", TTW_BUY_LAND),
	Hotkey<TerraformToolbarWindow>('I', "trees", TTW_PLANT_TREES),
	Hotkey<TerraformToolbarWindow>('O', "placesign", TTW_PLACE_SIGN),
	HOTKEY_LIST_END(TerraformToolbarWindow)
};
Hotkey<TerraformToolbarWindow> *_terraform_hotkeys = TerraformToolbarWindow::terraform_hotkeys;

static const NWidgetPart _nested_terraform_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_LANDSCAPING_TOOLBAR, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
		NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
	EndContainer(),
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_LOWER_LAND), SetMinimalSize(22, 22),
								SetFill(0, 1), SetDataTip(SPR_IMG_TERRAFORM_DOWN, STR_LANDSCAPING_TOOLTIP_LOWER_A_CORNER_OF_LAND),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_RAISE_LAND), SetMinimalSize(22, 22),
								SetFill(0, 1), SetDataTip(SPR_IMG_TERRAFORM_UP, STR_LANDSCAPING_TOOLTIP_RAISE_A_CORNER_OF_LAND),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_LEVEL_LAND), SetMinimalSize(22, 22),
								SetFill(0, 1), SetDataTip(SPR_IMG_LEVEL_LAND, STR_LANDSCAPING_LEVEL_LAND_TOOLTIP),

		NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetMinimalSize(4, 22), EndContainer(),

		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_DEMOLISH), SetMinimalSize(22, 22),
								SetFill(0, 1), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_BUY_LAND), SetMinimalSize(22, 22),
								SetFill(0, 1), SetDataTip(SPR_IMG_BUY_LAND, STR_LANDSCAPING_TOOLTIP_PURCHASE_LAND),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_PLANT_TREES), SetMinimalSize(22, 22),
								SetFill(0, 1), SetDataTip(SPR_IMG_PLANTTREES, STR_SCENEDIT_TOOLBAR_PLANT_TREES),
		NWidget(WWT_IMGBTN, COLOUR_DARK_GREEN, TTW_PLACE_SIGN), SetMinimalSize(22, 22),
								SetFill(0, 1), SetDataTip(SPR_IMG_SIGN, STR_SCENEDIT_TOOLBAR_PLACE_SIGN),
	EndContainer(),
};

static const WindowDesc _terraform_desc(
	WDP_MANUAL, 0, 0,
	WC_SCEN_LAND_GEN, WC_NONE,
	WDF_CONSTRUCTION,
	_nested_terraform_widgets, lengthof(_nested_terraform_widgets)
);

Window *ShowTerraformToolbar(Window *link)
{
	if (!Company::IsValidID(_local_company)) return NULL;

	Window *w;
	if (link == NULL) {
		w = AllocateWindowDescFront<TerraformToolbarWindow>(&_terraform_desc, 0);
		return w;
	}

	/* Delete the terraform toolbar to place it again. */
	DeleteWindowById(WC_SCEN_LAND_GEN, 0, true);
	w = AllocateWindowDescFront<TerraformToolbarWindow>(&_terraform_desc, 0);
	/* Align the terraform toolbar under the main toolbar. */
	w->top -= w->height;
	w->SetDirty();
	/* Put the linked toolbar to the left / right of it. */
	link->left = w->left + (_dynlang.text_dir == TD_RTL ? w->width : -link->width);
	link->top  = w->top;
	link->SetDirty();

	return w;
}

EventState TerraformToolbarGlobalHotkeys(uint16 key, uint16 keycode)
{
	int num = CheckHotkeyMatch<TerraformToolbarWindow>(_terraform_hotkeys, keycode, NULL, true);
	if (num == -1) return ES_NOT_HANDLED;
	Window *w = ShowTerraformToolbar(NULL);
	if (w == NULL) return ES_NOT_HANDLED;
	return w->OnKeyPress(key, keycode);
}

static byte _terraform_size = 1;

/**
 * Raise/Lower a bigger chunk of land at the same time in the editor. When
 * raising get the lowest point, when lowering the highest point, and set all
 * tiles in the selection to that height.
 * @todo : Incorporate into game itself to allow for ingame raising/lowering of
 *         larger chunks at the same time OR remove altogether, as we have 'level land' ?
 * @param tile The top-left tile where the terraforming will start
 * @param mode 1 for raising, 0 for lowering land
 */
static void CommonRaiseLowerBigLand(TileIndex tile, int mode)
{
	int sizex, sizey;
	uint h;

	if (_terraform_size == 1) {
		StringID msg =
			mode ? STR_ERROR_CAN_T_RAISE_LAND_HERE : STR_ERROR_CAN_T_LOWER_LAND_HERE;

		DoCommandP(tile, SLOPE_N, (uint32)mode, CMD_TERRAFORM_LAND | CMD_MSG(msg), CcTerraform);
	} else {
		assert(_terraform_size != 0);
		/* check out for map overflows */
		sizex = min(MapSizeX() - TileX(tile), _terraform_size);
		sizey = min(MapSizeY() - TileY(tile), _terraform_size);

		if (sizex == 0 || sizey == 0) return;

		SndPlayTileFx(SND_1F_SPLAT, tile);

		if (mode != 0) {
			/* Raise land */
			h = 15; // XXX - max height
			TILE_LOOP(tile2, sizex, sizey, tile) {
				h = min(h, TileHeight(tile2));
			}
		} else {
			/* Lower land */
			h = 0;
			TILE_LOOP(tile2, sizex, sizey, tile) {
				h = max(h, TileHeight(tile2));
			}
		}

		TILE_LOOP(tile2, sizex, sizey, tile) {
			if (TileHeight(tile2) == h) {
				DoCommandP(tile2, SLOPE_N, (uint32)mode, CMD_TERRAFORM_LAND);
			}
		}
	}
}

static void PlaceProc_RaiseBigLand(TileIndex tile)
{
	CommonRaiseLowerBigLand(tile, 1);
}

static void PlaceProc_LowerBigLand(TileIndex tile)
{
	CommonRaiseLowerBigLand(tile, 0);
}

static void PlaceProc_RockyArea(TileIndex tile)
{
	VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CREATE_ROCKS);
}

static void PlaceProc_LightHouse(TileIndex tile)
{
	/* not flat || not(trees || clear without bridge above) */
	if (GetTileSlope(tile, NULL) != SLOPE_FLAT || !(IsTileType(tile, MP_TREES) || (IsTileType(tile, MP_CLEAR) && !IsBridgeAbove(tile)))) {
		return;
	}

	MakeLighthouse(tile);
	MarkTileDirtyByTile(tile);
	SndPlayTileFx(SND_1F_SPLAT, tile);
}

static void PlaceProc_Transmitter(TileIndex tile)
{
	/* not flat || not(trees || clear without bridge above) */
	if (GetTileSlope(tile, NULL) != SLOPE_FLAT || !(IsTileType(tile, MP_TREES) || (IsTileType(tile, MP_CLEAR) && !IsBridgeAbove(tile)))) {
		return;
	}

	MakeTransmitter(tile);
	MarkTileDirtyByTile(tile);
	SndPlayTileFx(SND_1F_SPLAT, tile);
}

static void PlaceProc_DesertArea(TileIndex tile)
{
	VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_CREATE_DESERT);
}

static const int8 _multi_terraform_coords[][2] = {
	{  0, -2},
	{  4,  0}, { -4,  0}, {  0,  2},
	{ -8,  2}, { -4,  4}, {  0,  6}, {  4,  4}, {  8,  2},
	{-12,  0}, { -8, -2}, { -4, -4}, {  0, -6}, {  4, -4}, {  8, -2}, { 12,  0},
	{-16,  2}, {-12,  4}, { -8,  6}, { -4,  8}, {  0, 10}, {  4,  8}, {  8,  6}, { 12,  4}, { 16,  2},
	{-20,  0}, {-16, -2}, {-12, -4}, { -8, -6}, { -4, -8}, {  0,-10}, {  4, -8}, {  8, -6}, { 12, -4}, { 16, -2}, { 20,  0},
	{-24,  2}, {-20,  4}, {-16,  6}, {-12,  8}, { -8, 10}, { -4, 12}, {  0, 14}, {  4, 12}, {  8, 10}, { 12,  8}, { 16,  6}, { 20,  4}, { 24,  2},
	{-28,  0}, {-24, -2}, {-20, -4}, {-16, -6}, {-12, -8}, { -8,-10}, { -4,-12}, {  0,-14}, {  4,-12}, {  8,-10}, { 12, -8}, { 16, -6}, { 20, -4}, { 24, -2}, { 28,  0},
};

/** Enum referring to the widgets of the editor terraform toolbar */
enum EditorTerraformToolbarWidgets {
	ETTW_START = 0,                        ///< Used for iterations
	ETTW_DOTS = ETTW_START,                ///< Invisible widget for rendering the terraform size on.
	ETTW_BUTTONS_START,                    ///< Start of pushable buttons
	ETTW_DEMOLISH = ETTW_BUTTONS_START,    ///< Demolish aka dynamite button
	ETTW_LOWER_LAND,                       ///< Lower land button
	ETTW_RAISE_LAND,                       ///< Raise land button
	ETTW_LEVEL_LAND,                       ///< Level land button
	ETTW_PLACE_ROCKS,                      ///< Place rocks button
	ETTW_PLACE_DESERT_LIGHTHOUSE,          ///< Place desert button (in tropical climate) / place lighthouse button (else)
	ETTW_PLACE_TRANSMITTER,                ///< Place transmitter button
	ETTW_BUTTONS_END,                      ///< End of pushable buttons
	ETTW_INCREASE_SIZE = ETTW_BUTTONS_END, ///< Upwards arrow button to increase terraforming size
	ETTW_DECREASE_SIZE,                    ///< Downwards arrow button to decrease terraforming size
	ETTW_NEW_SCENARIO,                     ///< Button for generating a new scenario
	ETTW_RESET_LANDSCAPE,                  ///< Button for removing all company-owned property
};

static const NWidgetPart _nested_scen_edit_land_gen_widgets[] = {
	NWidget(NWID_HORIZONTAL),
		NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
		NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_TERRAFORM_TOOLBAR_LAND_GENERATION_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
		NWidget(WWT_SHADEBOX, COLOUR_DARK_GREEN),
		NWidget(WWT_STICKYBOX, COLOUR_DARK_GREEN),
	EndContainer(),
	NWidget(WWT_PANEL, COLOUR_DARK_GREEN),
		NWidget(NWID_HORIZONTAL), SetPadding(2, 2, 7, 2),
			NWidget(NWID_SPACER), SetFill(1, 0),
			NWidget(WWT_IMGBTN, COLOUR_GREY, ETTW_DEMOLISH), SetMinimalSize(22, 22),
										SetFill(0, 1), SetDataTip(SPR_IMG_DYNAMITE, STR_TOOLTIP_DEMOLISH_BUILDINGS_ETC),
			NWidget(WWT_IMGBTN, COLOUR_GREY, ETTW_LOWER_LAND), SetMinimalSize(22, 22),
										SetFill(0, 1), SetDataTip(SPR_IMG_TERRAFORM_DOWN, STR_LANDSCAPING_TOOLTIP_LOWER_A_CORNER_OF_LAND),
			NWidget(WWT_IMGBTN, COLOUR_GREY, ETTW_RAISE_LAND), SetMinimalSize(22, 22),
										SetFill(0, 1), SetDataTip(SPR_IMG_TERRAFORM_UP, STR_LANDSCAPING_TOOLTIP_RAISE_A_CORNER_OF_LAND),
			NWidget(WWT_IMGBTN, COLOUR_GREY, ETTW_LEVEL_LAND), SetMinimalSize(22, 22),
										SetFill(0, 1), SetDataTip(SPR_IMG_LEVEL_LAND, STR_LANDSCAPING_LEVEL_LAND_TOOLTIP),
			NWidget(WWT_IMGBTN, COLOUR_GREY, ETTW_PLACE_ROCKS), SetMinimalSize(22, 22),
										SetFill(0, 1), SetDataTip(SPR_IMG_ROCKS, STR_TERRAFORM_TOOLTIP_PLACE_ROCKY_AREAS_ON_LANDSCAPE),
			NWidget(WWT_IMGBTN, COLOUR_GREY, ETTW_PLACE_DESERT_LIGHTHOUSE), SetMinimalSize(22, 22),
										SetFill(0, 1), SetDataTip(SPR_IMG_LIGHTHOUSE_DESERT, STR_NULL),
			NWidget(WWT_IMGBTN, COLOUR_GREY, ETTW_PLACE_TRANSMITTER), SetMinimalSize(23, 22),
										SetFill(0, 1), SetDataTip(SPR_IMG_TRANSMITTER, STR_TERRAFORM_TOOLTIP_PLACE_TRANSMITTER),
			NWidget(NWID_SPACER), SetFill(1, 0),
		EndContainer(),
		NWidget(NWID_HORIZONTAL),
			NWidget(NWID_SPACER), SetFill(1, 0),
			NWidget(WWT_EMPTY, COLOUR_DARK_GREEN, ETTW_DOTS), SetMinimalSize(59, 31), SetDataTip(STR_EMPTY, STR_NULL),
			NWidget(NWID_SPACER), SetFill(1, 0),
			NWidget(NWID_VERTICAL),
				NWidget(NWID_SPACER), SetFill(0, 1),
				NWidget(WWT_IMGBTN, COLOUR_GREY, ETTW_INCREASE_SIZE), SetMinimalSize(12, 12), SetDataTip(SPR_ARROW_UP, STR_TERRAFORM_TOOLTIP_INCREASE_SIZE_OF_LAND_AREA),
				NWidget(NWID_SPACER), SetMinimalSize(0, 1),
				NWidget(WWT_IMGBTN, COLOUR_GREY, ETTW_DECREASE_SIZE), SetMinimalSize(12, 12), SetDataTip(SPR_ARROW_DOWN, STR_TERRAFORM_TOOLTIP_DECREASE_SIZE_OF_LAND_AREA),
				NWidget(NWID_SPACER), SetFill(0, 1),
			EndContainer(),
			NWidget(NWID_SPACER), SetMinimalSize(2, 0),
		EndContainer(),
		NWidget(NWID_SPACER), SetMinimalSize(0, 6),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, ETTW_NEW_SCENARIO), SetMinimalSize(160, 12),
								SetFill(1, 0), SetDataTip(STR_TERRAFORM_SE_NEW_WORLD, STR_TERRAFORM_TOOLTIP_GENERATE_RANDOM_LAND), SetPadding(0, 2, 0, 2),
		NWidget(WWT_TEXTBTN, COLOUR_GREY, ETTW_RESET_LANDSCAPE), SetMinimalSize(160, 12),
								SetFill(1, 0), SetDataTip(STR_TERRAFORM_RESET_LANDSCAPE, STR_TERRAFORM_RESET_LANDSCAPE_TOOLTIP), SetPadding(1, 2, 2, 2),
	EndContainer(),
};

/**
 * @todo Merge with terraform_gui.cpp (move there) after I have cooled down at its braindeadness
 * and changed OnButtonClick to include the widget as well in the function declaration. Post 0.4.0 - Darkvater
 */
static void EditorTerraformClick_Dynamite(Window *w)
{
	HandlePlacePushButton(w, ETTW_DEMOLISH, ANIMCURSOR_DEMOLISH, HT_RECT, PlaceProc_DemolishArea);
}

static void EditorTerraformClick_LowerBigLand(Window *w)
{
	HandlePlacePushButton(w, ETTW_LOWER_LAND, ANIMCURSOR_LOWERLAND, HT_POINT, PlaceProc_LowerBigLand);
}

static void EditorTerraformClick_RaiseBigLand(Window *w)
{
	HandlePlacePushButton(w, ETTW_RAISE_LAND, ANIMCURSOR_RAISELAND, HT_POINT, PlaceProc_RaiseBigLand);
}

static void EditorTerraformClick_LevelLand(Window *w)
{
	HandlePlacePushButton(w, ETTW_LEVEL_LAND, SPR_CURSOR_LEVEL_LAND, HT_POINT, PlaceProc_LevelLand);
}

static void EditorTerraformClick_RockyArea(Window *w)
{
	HandlePlacePushButton(w, ETTW_PLACE_ROCKS, SPR_CURSOR_ROCKY_AREA, HT_RECT, PlaceProc_RockyArea);
}

static void EditorTerraformClick_DesertLightHouse(Window *w)
{
	HandlePlacePushButton(w, ETTW_PLACE_DESERT_LIGHTHOUSE, SPR_CURSOR_LIGHTHOUSE, HT_RECT, (_settings_game.game_creation.landscape == LT_TROPIC) ? PlaceProc_DesertArea : PlaceProc_LightHouse);
}

static void EditorTerraformClick_Transmitter(Window *w)
{
	HandlePlacePushButton(w, ETTW_PLACE_TRANSMITTER, SPR_CURSOR_TRANSMITTER, HT_RECT, PlaceProc_Transmitter);
}

static OnButtonClick * const _editor_terraform_button_proc[] = {
	EditorTerraformClick_Dynamite,
	EditorTerraformClick_LowerBigLand,
	EditorTerraformClick_RaiseBigLand,
	EditorTerraformClick_LevelLand,
	EditorTerraformClick_RockyArea,
	EditorTerraformClick_DesertLightHouse,
	EditorTerraformClick_Transmitter
};


/**
 * Callback function for the scenario editor 'reset landscape' confirmation window
 * @param w Window unused
 * @param confirmed boolean value, true when yes was clicked, false otherwise */
static void ResetLandscapeConfirmationCallback(Window *w, bool confirmed)
{
	if (confirmed) {
		/* Set generating_world to true to get instant-green grass after removing
		 * company property. */
		_generating_world = true;

		/* Delete all companies */
		Company *c;
		FOR_ALL_COMPANIES(c) {
			ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
			delete c;
		}

		_generating_world = false;

		/* Delete all station signs */
		BaseStation *st;
		FOR_ALL_BASE_STATIONS(st) {
			/* There can be buoys, remove them */
			if (IsBuoyTile(st->xy)) DoCommand(st->xy, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
			if (!st->IsInUse()) delete st;
		}

		MarkWholeScreenDirty();
	}
}

struct ScenarioEditorLandscapeGenerationWindow : Window {
	ScenarioEditorLandscapeGenerationWindow(const WindowDesc *desc, WindowNumber window_number) : Window()
	{
		this->InitNested(desc, window_number);
		this->GetWidget<NWidgetCore>(ETTW_PLACE_DESERT_LIGHTHOUSE)->tool_tip = (_settings_game.game_creation.landscape == LT_TROPIC) ? STR_TERRAFORM_TOOLTIP_DEFINE_DESERT_AREA : STR_TERRAFORM_TOOLTIP_PLACE_LIGHTHOUSE;
	}

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

		if (this->IsWidgetLowered(ETTW_LOWER_LAND) || this->IsWidgetLowered(ETTW_RAISE_LAND)) { // change area-size if raise/lower corner is selected
			SetTileSelectSize(_terraform_size, _terraform_size);
		}
	}

	virtual void DrawWidget(const Rect &r, int widget) const
	{
		if (widget != ETTW_DOTS) return;

		int center_x = RoundDivSU(r.left + r.right, 2);
		int center_y = RoundDivSU(r.top + r.bottom, 2);

		int n = _terraform_size * _terraform_size;
		const int8 *coords = &_multi_terraform_coords[0][0];

		assert(n != 0);
		do {
			DrawSprite(SPR_WHITE_POINT, PAL_NONE, center_x + coords[0], center_y + coords[1]);
			coords += 2;
		} while (--n);
	}

	virtual EventState OnKeyPress(uint16 key, uint16 keycode)
	{
		int num = CheckHotkeyMatch(terraform_editor_hotkeys, keycode, this);
		if (num == -1) return ES_NOT_HANDLED;
		this->OnClick(Point(), num, 1);
		return ES_HANDLED;
	}

	virtual void OnClick(Point pt, int widget, int click_count)
	{
		if (IsInsideMM(widget, ETTW_BUTTONS_START, ETTW_BUTTONS_END)) {
			_editor_terraform_button_proc[widget - ETTW_BUTTONS_START](this);
		} else {
			switch (widget) {
				case ETTW_INCREASE_SIZE:
				case ETTW_DECREASE_SIZE: { // Increase/Decrease terraform size
					int size = (widget == ETTW_INCREASE_SIZE) ? 1 : -1;
					this->HandleButtonClick(widget);
					size += _terraform_size;

					if (!IsInsideMM(size, 1, 8 + 1)) return;
					_terraform_size = size;

					SndPlayFx(SND_15_BEEP);
					this->SetDirty();
					break;
				}
				case ETTW_NEW_SCENARIO: // gen random land
					this->HandleButtonClick(widget);
					ShowCreateScenario();
					break;
				case ETTW_RESET_LANDSCAPE: // Reset landscape
					ShowQuery(
						STR_QUERY_RESET_LANDSCAPE_CAPTION,
						STR_RESET_LANDSCAPE_CONFIRMATION_TEXT,
						NULL,
						ResetLandscapeConfirmationCallback);
					break;
			}
		}
	}

	virtual void OnTimeout()
	{
		for (uint i = ETTW_START; i < this->nested_array_size; i++) {
			if (i == ETTW_BUTTONS_START) i = ETTW_BUTTONS_END; // skip the buttons
			if (this->IsWidgetLowered(i)) {
				this->RaiseWidget(i);
				this->SetWidgetDirty(i);
			}
		}
	}

	virtual void OnPlaceObject(Point pt, TileIndex tile)
	{
		_place_proc(tile);
	}

	virtual void OnPlaceDrag(ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, Point pt)
	{
		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_CREATE_ROCKS:
				case DDSP_CREATE_DESERT:
				case DDSP_RAISE_AND_LEVEL_AREA:
				case DDSP_LOWER_AND_LEVEL_AREA:
				case DDSP_LEVEL_AREA:
				case DDSP_DEMOLISH_AREA:
					GUIPlaceProcDragXY(select_proc, start_tile, end_tile);
					break;
			}
		}
	}

	virtual void OnPlaceObjectAbort()
	{
		this->RaiseButtons();
		this->SetDirty();
	}

	static Hotkey<ScenarioEditorLandscapeGenerationWindow> terraform_editor_hotkeys[];
};

Hotkey<ScenarioEditorLandscapeGenerationWindow> ScenarioEditorLandscapeGenerationWindow::terraform_editor_hotkeys[] = {
	Hotkey<ScenarioEditorLandscapeGenerationWindow>('D' | WKC_GLOBAL_HOTKEY, "dynamite", ETTW_DEMOLISH),
	Hotkey<ScenarioEditorLandscapeGenerationWindow>('Q' | WKC_GLOBAL_HOTKEY, "lower", ETTW_LOWER_LAND),
	Hotkey<ScenarioEditorLandscapeGenerationWindow>('W' | WKC_GLOBAL_HOTKEY, "raise", ETTW_RAISE_LAND),
	Hotkey<ScenarioEditorLandscapeGenerationWindow>('E' | WKC_GLOBAL_HOTKEY, "level", ETTW_LEVEL_LAND),
	Hotkey<ScenarioEditorLandscapeGenerationWindow>('R', "rocky", ETTW_PLACE_ROCKS),
	Hotkey<ScenarioEditorLandscapeGenerationWindow>('T', "desertlighthouse", ETTW_PLACE_DESERT_LIGHTHOUSE),
	Hotkey<ScenarioEditorLandscapeGenerationWindow>('Y', "transmitter", ETTW_PLACE_TRANSMITTER),
	HOTKEY_LIST_END(ScenarioEditorLandscapeGenerationWindow)
};

Hotkey<ScenarioEditorLandscapeGenerationWindow> *_terraform_editor_hotkeys = ScenarioEditorLandscapeGenerationWindow::terraform_editor_hotkeys;

static const WindowDesc _scen_edit_land_gen_desc(
	WDP_AUTO, 0, 0,
	WC_SCEN_LAND_GEN, WC_NONE,
	WDF_CONSTRUCTION,
	_nested_scen_edit_land_gen_widgets, lengthof(_nested_scen_edit_land_gen_widgets)
);

Window *ShowEditorTerraformToolbar()
{
	return AllocateWindowDescFront<ScenarioEditorLandscapeGenerationWindow>(&_scen_edit_land_gen_desc, 0);
}

EventState TerraformToolbarEditorGlobalHotkeys(uint16 key, uint16 keycode)
{
	int num = CheckHotkeyMatch<ScenarioEditorLandscapeGenerationWindow>(_terraform_editor_hotkeys, keycode, NULL, true);
	if (num == -1) return ES_NOT_HANDLED;
	Window *w = ShowEditorTerraformToolbar();
	if (w == NULL) return ES_NOT_HANDLED;
	return w->OnKeyPress(key, keycode);
}