aboutsummaryrefslogtreecommitdiff
path: root/engines/avalanche/graphics.cpp
blob: 6ce6ef26036a703617b3b9806c9886f9639f0244 (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
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
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

/*
 * This code is based on the original source code of Lord Avalot d'Argent version 1.3.
 * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
 */

#include "avalanche/avalanche.h"
#include "avalanche/graphics.h"

#include "common/system.h"
#include "engines/util.h"
#include "graphics/palette.h"

namespace Avalanche {

const byte GraphicManager::kEgaPaletteIndex[16] = {0, 1, 2, 3, 4, 5, 20, 7, 56, 57, 58, 59, 60, 61, 62, 63};

const MouseHotspotType GraphicManager::kMouseHotSpots[9] = {
	{8,0},  // 0 - up-arrow
	{0,0},  // 1 - screwdriver
	{15,6}, // 2 - right-arrow
	{0,0},  // 3 - fletch
	{8,7},  // 4 - hourglass
	{4,0},  // 5 - TTHand
	{8,5},  // 6 - Mark's crosshairs
	{8,7},  // 7 - I-beam
	{0,0}   // 8 - question mark
};

GraphicManager::GraphicManager(AvalancheEngine *vm) {
	_vm = vm;
	setDialogColor(kColorBlack, kColorWhite);
}

GraphicManager::~GraphicManager() {
	_surface.free();
	_magics.free();
	_background.free();
	_screen.free();
	_scrolls.free();
	_backup.free();

	for (int i = 0; i < 10; i++)
		_digits[i].free();
	for (int i = 0; i < 9; i++)
		_directions[i].free();
}

void GraphicManager::init() {
	initGraphics(kScreenWidth, kScreenHeight * 2); // Doubling the height.

	for (int i = 0; i < 64; ++i) {
		_egaPalette[i][0] = (i >> 2 & 1) * 0xaa + (i >> 5 & 1) * 0x55;
		_egaPalette[i][1] = (i >> 1 & 1) * 0xaa + (i >> 4 & 1) * 0x55;
		_egaPalette[i][2] = (i      & 1) * 0xaa + (i >> 3 & 1) * 0x55;
	}

	for (int i = 0; i < 16; i++)
		g_system->getPaletteManager()->setPalette(_egaPalette[kEgaPaletteIndex[i]], i, 1);

	// Set the "flesh colors":
	g_system->getPaletteManager()->setPalette(_egaPalette[39], 13, 1);
	g_system->getPaletteManager()->setPalette(_egaPalette[28], 5, 1);

	_surface.create(kScreenWidth, kScreenHeight, Graphics::PixelFormat::createFormatCLUT8());
	_magics.create(kScreenWidth, kScreenHeight, Graphics::PixelFormat::createFormatCLUT8());
	_screen.create(kScreenWidth, kScreenHeight * 2, Graphics::PixelFormat::createFormatCLUT8());
	_scrolls.create(kScreenWidth, kScreenHeight, Graphics::PixelFormat::createFormatCLUT8());
}

/**
 * Load the scoring digits & rwlites
 * @remarks	Originally called 'load_digits'
 */
void GraphicManager::loadDigits() {
	const byte digitsize = 134;
	const byte rwlitesize = 126;

	Common::File file;
	if (!file.open("digit.avd"))
		error("AVALANCHE: File not found: digit.avd");

	for (int i = 0; i < 10; i++) {
		file.seek(i * digitsize);
		_digits[i] = loadPictureGraphic(file);
	}

	for (int i = 0; i < 9; i++) {
		file.seek(10 * digitsize + i * rwlitesize);
		_directions[i] = loadPictureGraphic(file);
	}

	file.close();
}

void GraphicManager::loadMouse(byte which) {
	if (which == _vm->_currentMouse)
		return;

	_vm->_currentMouse = which;

	Common::File f;
	if (!f.open("mice.avd"))
		error("AVALANCHE: Gyro: File not found: mice.avd");

	Graphics::Surface cursor;
	cursor.create(16, 32, Graphics::PixelFormat::createFormatCLUT8());
	cursor.fillRect(Common::Rect(0, 0, 16, 32), 255);

	// The AND mask.
	f.seek(kMouseSize * 2 * which + 134);

	Graphics::Surface mask = loadPictureGraphic(f);

	for (int j = 0; j < mask.h; j++) {
		for (int i = 0; i < mask.w; i++) {
			byte pixel = *(byte *)mask.getBasePtr(i, j);
			if (pixel == 0) {
				*(byte *)cursor.getBasePtr(i, j * 2    ) = 0;
				*(byte *)cursor.getBasePtr(i, j * 2 + 1) = 0;
			}
		}
	}

	mask.free();

	// The OR mask.
	f.seek(kMouseSize * 2 * which + 134 * 2);

	mask = loadPictureGraphic(f);

	for (int j = 0; j < mask.h; j++) {
		for (int i = 0; i < mask.w; i++) {
			byte pixel = *(byte *)mask.getBasePtr(i, j);
			if (pixel != 0) {
				*(byte *)cursor.getBasePtr(i, j * 2    ) = pixel;
				*(byte *)cursor.getBasePtr(i, j * 2 + 1) = pixel;
			}
		}
	}

	mask.free();
	f.close();

	CursorMan.replaceCursor(cursor.getPixels(), 16, 32, kMouseHotSpots[which]._horizontal, kMouseHotSpots[which]._vertical * 2, 255, false);
	cursor.free();
}

void GraphicManager::drawThinkPic(Common::String filename, int id) {
	static const int16 picSize = 966;
	Common::File file;
	if (!file.open(filename))
		error("drawThinkPic(): File not found: %s", filename.c_str());

	file.seek(id * picSize + 65);
	Graphics::Surface picture = loadPictureGraphic(file);
	drawPicture(_surface, picture, 205, 170);

	picture.free();
	file.close();
}

void GraphicManager::drawToolbar() {
	Common::File file;
	if (!file.open("useful.avd"))
		error("drawToolbar(): File not found: useful.avd");

	file.seek(40);

	CursorMan.showMouse(false);
	Graphics::Surface picture = loadPictureGraphic(file);
	drawPicture(_surface, picture, 5, 169);
	CursorMan.showMouse(true);

	picture.free();
	file.close();
}

Common::Point GraphicManager::drawArc(Graphics::Surface &surface, int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, Color color) {
	Common::Point endPoint;
	const float convfac = (float)M_PI / 180.0f;

	int32 xRadius = radius;
	int32 yRadius = radius * kScreenWidth / (8 * kScreenHeight); // Just don't ask why...

	if (xRadius == 0)
		xRadius++;
	if (yRadius == 0)
		yRadius++;

	// Check for an ellipse with negligable x and y radius.
	if ((xRadius <= 1) && (yRadius <= 1)) {
		*(byte *)_scrolls.getBasePtr(x, y) = color;
		endPoint.x = x;
		endPoint.y = y;
		return endPoint;
	}

	// Check if valid angles.
	stAngle = stAngle % 361;
	endAngle = endAngle % 361;

	// If impossible angles, then swap them!
	if (endAngle < stAngle) {
		uint16 tmpAngle=endAngle;
		endAngle=stAngle;
		stAngle=tmpAngle;
	}

	// Approximate the number of pixels required by using the circumference equation of an ellipse.
	uint16 numOfPixels = (uint16)floor(sqrt(3.0) * sqrt(pow(double(xRadius), 2) + pow(double(yRadius), 2)) + 0.5);

	// Calculate the angle precision required.
	float delta = 90.0f / numOfPixels;

	// Always just go over the first 90 degrees. Could be optimized a
	// bit if startAngle and endAngle lie in the same quadrant, left as an
	// exercise for the reader. :)
	float j = 0;

	// Calculate stop position, go 1 further than 90 because otherwise 1 pixel is sometimes not drawn.
	uint16 deltaEnd = 91;

	// Set the end point.
	float tempTerm = endAngle * convfac;
	endPoint.x = (int16)floor(xRadius * cos(tempTerm) + 0.5) + x;
	endPoint.y = (int16)floor(yRadius * sin(tempTerm + M_PI) + 0.5) + y;

	// Calculate points.
	int16 xNext = xRadius;
	int16 yNext = 0;
	do {
		int16 xTemp = xNext;
		int16 yTemp = yNext;
		// This is used by both sin and cos.
		tempTerm = (j + delta) * convfac;

		xNext = (int16)floor(xRadius * cos(tempTerm) + 0.5);
		yNext = (int16)floor(yRadius * sin(tempTerm + M_PI) + 0.5);

		int16 xp = x + xTemp;
		int16 xm = x - xTemp;
		int16 yp = y + yTemp;
		int16 ym = y - yTemp;

		if ((j >= stAngle) && (j <= endAngle))
			*(byte *)_scrolls.getBasePtr(xp, yp) = color;

		if (((180 - j) >= stAngle) && ((180 - j) <= endAngle))
			*(byte *)_scrolls.getBasePtr(xm, yp) = color;

		if (((j + 180) >= stAngle) && ((j + 180) <= endAngle))
			*(byte *)_scrolls.getBasePtr(xm, ym) = color;

		if (((360 - j) >= stAngle) && ((360 - j) <= endAngle))
			*(byte *)_scrolls.getBasePtr(xp, ym) = color;

		j += delta;
	} while (j <= deltaEnd);

	return endPoint;
}

void GraphicManager::drawDot(int x, int y, Color color) {
	*(byte *)_surface.getBasePtr(x, y) = color;
}

void GraphicManager::drawLine(int x1, int y1, int x2, int y2, int penX, int penY, Color color) {
	_surface.drawThickLine(x1, y1, x2, y2, penX, penY, color);
}

Common::Point GraphicManager::drawScreenArc(int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, Color color) {
	return drawArc(_surface, x, y, stAngle, endAngle, radius, color);
}

void GraphicManager::drawPieSlice(int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, Color color) {
	while (radius > 0)
		drawArc(_scrolls, x, y, stAngle, endAngle, radius--, color);
}

void GraphicManager::drawTriangle(Common::Point *p, Color color) {
	// Draw the borders with a marking color.
	_scrolls.drawLine(p[0].x, p[0].y, p[1].x, p[1].y, 255);
	_scrolls.drawLine(p[1].x, p[1].y, p[2].x, p[2].y, 255);
	_scrolls.drawLine(p[2].x, p[2].y, p[0].x, p[0].y, 255);

	// Get the top and the bottom of the triangle.
	uint16 maxY = p[0].y, minY = p[0].y;
	for (int i = 1; i < 3; i++) {
		if (p[i].y < minY)
			minY = p[i].y;
		if (p[i].y > maxY)
			maxY = p[i].y;
	}

	// Fill the triangle.
	for (uint16 y = minY; y <= maxY; y++) {
		uint16 x = 0;
		while (*(byte *)_scrolls.getBasePtr(x, y) != 255)
			x++;
		uint16 minX = x;
		uint16 maxX = x;
		x++;
		while ((*(byte *)_scrolls.getBasePtr(x, y) != 255) && (x != 639))
			x++;
		if (x != 639)
			maxX = x;
		if (minX != maxX)
			_scrolls.drawLine(minX, y, maxX, y, color);
	}

	// Redraw the borders with the actual color.
	_scrolls.drawLine(p[0].x, p[0].y, p[1].x, p[1].y, color);
	_scrolls.drawLine(p[1].x, p[1].y, p[2].x, p[2].y, color);
	_scrolls.drawLine(p[2].x, p[2].y, p[0].x, p[0].y, color);
}

void GraphicManager::drawText(Graphics::Surface &surface, const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color) {
	for (uint i = 0; i < text.size(); i++) {
		for (int j = 0; j < fontHeight; j++) {
			byte pixel = font[(byte)text[i]][j];
			for (int bit = 0; bit < 8; bit++) {
				byte pixelBit = (pixel >> bit) & 1;
				if (pixelBit)
					*(byte *)surface.getBasePtr(x + i * 8 + 7 - bit, y + j) = color;
			}
		}
	}
}

void GraphicManager::drawNormalText(const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color) {
	drawText(_surface, text, font, fontHeight, x, y, color);
}

/**
 * Draws text double the size of the normal.
 */
void GraphicManager::drawBigText(Graphics::Surface &surface, const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color) {
	for (uint i = 0; i < text.size(); i++) {
		for (int j = 0; j < fontHeight; j++) {
			byte pixel = font[(byte)text[i]][j];
			byte pixelBit = 0;
			for (int bit = 0; bit < 16; bit++) {
				if ((bit % 2) == 0)
					pixelBit = (pixel >> (bit / 2)) & 1;
				for (int k = 0; k < 2; k++)
					if (pixelBit)
						*(byte *)surface.getBasePtr(x + i * 16 + 16 - bit, y + j * 2 + k) = color;
			}
		}
	}
}

void GraphicManager::drawScrollText(const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color) {
	drawText(_scrolls, text, font, fontHeight, x, y, color);
}

void GraphicManager::drawDigit(int index, int x, int y) {
	drawPicture(_surface, _digits[index], x, y);
}

void GraphicManager::drawDirection(int index, int x, int y) {
	drawPicture(_surface, _directions[index], x, y);
}

void GraphicManager::drawScrollShadow(int16 x1, int16 y1, int16 x2, int16 y2) {
	for (byte i = 0; i < 2; i ++) {
		_scrolls.fillRect(Common::Rect(x1 + i, y1 + i, x1 + i + 1, y2 - i), kColorWhite);
		_scrolls.fillRect(Common::Rect(x1 + i, y1 + i, x2 - i, y1 + i + 1), kColorWhite);

		_scrolls.fillRect(Common::Rect(x2 - i, y1 + i, x2 - i + 1, y2 - i + 1), kColorDarkgray);
		_scrolls.fillRect(Common::Rect(x1 + i, y2 - i, x2 - i, y2 - i + 1), kColorDarkgray);
	}
}

void GraphicManager::drawShadowBox(int16 x1, int16 y1, int16 x2, int16 y2, Common::String text) {
	CursorMan.showMouse(false);

	drawScrollShadow(x1, y1, x2, y2);

	bool offset = text.size() % 2;
	x1 = (x2 - x1) / 2 + x1 - text.size() / 2 * 8 - offset * 3;
	y1 = (y2 - y1) / 2 + y1 - 4;
	drawScrollText(text, _vm->_font, 8, x1, y1, kColorBlue);
	drawScrollText(Common::String('_'), _vm->_font, 8, x1, y1, kColorBlue);

	CursorMan.showMouse(true);
}

void GraphicManager::drawMenuBar(Color color) {
	_surface.fillRect(Common::Rect(0, 0, 640, 10), color);
}

void GraphicManager::drawMenuBlock(int x1, int y1, int x2, int y2, Color color) {
	_surface.fillRect(Common::Rect(x1, y1, x2, y2), color);
}

void GraphicManager::drawMenuItem(int x1, int y1, int x2, int y2) {
	_surface.fillRect(Common::Rect(x1, y1, x2, y2), kMenuBackgroundColor);
	_surface.frameRect(Common::Rect(x1 - 1, y1 - 1, x2 + 1, y2 + 1), kMenuBorderColor);
}

void GraphicManager::drawSpeedBar(int speed) {
	if (speed == kRun) {
		_surface.drawLine(336, 199, 338, 199, kColorLightblue);
		_surface.drawLine(371, 199, 373, 199, kColorYellow);
	} else {
		_surface.drawLine(371, 199, 373, 199, kColorLightblue);
		_surface.drawLine(336, 199, 338, 199, kColorYellow);
	}
}
void GraphicManager::drawScroll(int mx, int lx, int my, int ly) {
	_scrolls.copyFrom(_surface);

	// The right corners of the scroll.
	drawPieSlice(mx + lx, my - ly, 0, 90, 15, kColorLightgray);
	drawPieSlice(mx + lx, my + ly, 270, 360, 15, kColorLightgray);
	drawArc(_scrolls, mx + lx, my - ly, 0, 90, 15, kColorRed);
	drawArc(_scrolls, mx + lx, my + ly, 270, 360, 15, kColorRed);

	// The body of the scroll.
	_scrolls.fillRect(Common::Rect(mx - lx - 30, my + ly, mx + lx, my + ly + 6), kColorLightgray);
	_scrolls.fillRect(Common::Rect(mx - lx - 30, my - ly - 6, mx + lx, my - ly + 1), kColorLightgray);
	_scrolls.fillRect(Common::Rect(mx - lx - 15, my - ly, mx + lx + 15, my + ly + 1), kColorLightgray);

	// The left corners of the scroll.
	drawPieSlice(mx - lx - 31, my - ly, 0, 180, 15, kColorDarkgray);
	drawArc(_scrolls, mx - lx - 31, my - ly, 0, 180, 15, kColorRed);
	_scrolls.drawLine(mx - lx - 31 - 15, my - ly, mx - lx - 31 + 15, my - ly, kColorRed);
	drawPieSlice(mx - lx - 31, my + ly, 180, 360, 15, kColorDarkgray);
	drawArc(_scrolls, mx - lx - 31, my + ly, 180, 360, 15, kColorRed);
	_scrolls.drawLine(mx - lx - 31 - 15, my + ly, mx - lx - 31 + 15, my + ly, kColorRed);

	// The rear borders of the scroll.
	_scrolls.fillRect(Common::Rect(mx - lx - 30, my - ly - 6, mx + lx, my - ly - 5), kColorRed);
	_scrolls.fillRect(Common::Rect(mx - lx - 30, my + ly + 6, mx + lx, my + ly + 7), kColorRed);
	_scrolls.fillRect(Common::Rect(mx - lx - 15, my - ly, mx - lx - 14, my + ly), kColorRed);
	_scrolls.fillRect(Common::Rect(mx + lx + 15, my - ly, mx + lx + 16, my + ly), kColorRed);
}

void GraphicManager::drawBackgroundSprite(int16 x, int16 y, SpriteType &sprite) {
	drawPicture(_background, sprite._picture, x, y);
}

void GraphicManager::drawDebugLines() {
	if (!_vm->_showDebugLines)
		return;

	for (int i = 0; i < _vm->_lineNum; i++) {
		LineType *curLine = &_vm->_lines[i];
		_surface.drawLine(curLine->_x1, curLine->_y1, curLine->_x2, curLine->_y2, curLine->_color);
	}

	for (int i = 0; i < _vm->_fieldNum; i++) {
		FieldType *curField = &_vm->_fields[i];
		if (curField->_x1 < 640)
			_surface.frameRect(Common::Rect(curField->_x1, curField->_y1, curField->_x2, curField->_y2), kColorLightmagenta);
	}
}

void GraphicManager::drawRectangle(Common::Rect rect, Color color) {
	_surface.frameRect(rect, color);
}

void GraphicManager::drawFilledRectangle(Common::Rect rect, Color color) {
	_surface.fillRect(rect, color);
}

void GraphicManager::blackOutScreen() {
	_vm->_graphics->drawFilledRectangle(Common::Rect(0, 0, 640, 200), kColorBlack);
}

void GraphicManager::nimLoad() {
	Common::File file;
	Common::String filename = "nim.avd";

	if (!file.open(filename))
		error("AVALANCHE: Scrolls: File not found: %s", filename.c_str());

	file.seek(41);

	_nimStone = loadPictureSign(file, 7, 23);
	for (int i = 0; i < 3; i++)
		_nimInitials[i] = loadPictureSign(file, 7, 23);
	_nimLogo = loadPictureSign(file, 30, 37);

	file.close();
}

void GraphicManager::nimDrawStone(int x, int y) {
	drawPicture(_surface, _nimStone, x, y);
}

void GraphicManager::nimDrawInitials() {
	for (int i = 0; i < 3; i++)
		drawPicture(_surface, _nimInitials[i], 0, 75 + i * 35);
}

void GraphicManager::nimDrawLogo() {
	drawPicture(_surface, _nimLogo, 392, 5);
}

void GraphicManager::nimFree() {
	_nimStone.free();
	for (int i = 0; i < 3; i++)
		_nimInitials[i].free();
	_nimLogo.free();
}

void GraphicManager::ghostDrawMonster(byte ***picture, uint16 destX, int16 destY, MonsterType type) {
	uint16 height = 0;
	uint16 width = 0;
	// Only for the Ghost:
	const byte kPlaneToUse[4] = { 0, 0, 0, 1 };
	int yStart = 0;

	// Constants from the original code:
	switch (type) {
	case kMonsterTypeGhost:
		height = 66;
		width = 208; // 26 * 8

		// We have to mess around with the coords and the sizes since
		// the ghost isn't always placed fully on the screen.
		if (destY < 0) {
			yStart = abs(destY);
			height -= yStart;
			destY = 0;
		}
		break;
	case kMonsterTypeGlerk:
		height = 35;
		width = 72; // 9 * 8
		break;
	default:
		break;
	}

	Graphics::Surface monsterPicture;
	monsterPicture.create(width, height, Graphics::PixelFormat::createFormatCLUT8());

	for (int y = 0; y < height; y++) {
		for (int plane = 0; plane < 4; plane++) {
			for (uint16 x = 0; x < width / 8; x++) {
				byte pixel = 0;

				switch (type) {
				case kMonsterTypeGhost:
					pixel = picture[kPlaneToUse[plane]][y + yStart][x];
					break;
				case kMonsterTypeGlerk:
					pixel = picture[plane][y][x];
					break;
				default:
					break;
				}

				for (int bit = 0; bit < 8; bit++) {
					byte pixelBit = (pixel >> bit) & 1;
					*(byte *)monsterPicture.getBasePtr(x * 8 + 7 - bit, y) += (pixelBit << plane);
				}
			}
		}
	}

	drawPicture(_surface, monsterPicture, destX, destY);

	monsterPicture.free();
}

/**
 *	With the use of the second argument, it replaces get_meg_aargh as well.
 * @remarks	Originally called 'get_me' and was located in Ghostroom.
 */
Graphics::Surface GraphicManager::ghostLoadPicture(Common::File &file, Common::Point &coord) {
	ChunkBlock cb = _vm->_ghostroom->readChunkBlock(file);

	coord.x = cb._x;
	coord.y = cb._y;

	Graphics::Surface picture = loadPictureGraphic(file);

	skipDifference(cb._size, picture, file);

	return picture;
}

void GraphicManager::ghostDrawPicture(const Graphics::Surface &picture, uint16 destX, uint16 destY) {
	drawPicture(_surface, picture, destX, destY);
}

/**
 * Loads and puts 3 images (in this order: cobweb, Mark's signature, open door) into the background at the beginning of the ghostroom scene.
 * @remarks	Originally called 'plain_grab' and was located in Ghostroom. It was originally called 3 times. I unified these in one function, used a for cycle.
 */
void GraphicManager::ghostDrawBackgroundItems(Common::File &file) {
	for (int num = 0; num < 3; num++) {
		ChunkBlock cb = _vm->_ghostroom->readChunkBlock(file);

		int width = cb._width;
		int height = cb._height + 1;

		Graphics::Surface picture;
		picture.create(width, height, Graphics::PixelFormat::createFormatCLUT8());

		// Load the picture according to it's type.
		switch (cb._flavour) {
		case kFlavourOne: // There is only one plane.
			for (uint16 y = 0; y < height; y++) {
				for (uint16 x = 0; x < width; x += 8) {
					byte pixel = file.readByte();
					for (int i = 0; i < 8; i++) {
						byte pixelBit = (pixel >> i) & 1;
						*(byte *)picture.getBasePtr(x + 7 - i, y) = (pixelBit << 3);
					}
				}
			}
			break;
		case kFlavourEga:
			picture = loadPictureRaw(file, width, height);
			break;
		default:
			break;
		}

		drawPicture(_surface, picture, cb._x, cb._y);

		picture.free();
	}
	refreshScreen();
}

/**
* @remarks	Originally called 'plot_button'
*/
void GraphicManager::helpDrawButton(int y, byte which) {
	if (y > 200) {
		_vm->_graphics->setBackgroundColor(kColorGreen);
		_vm->_system->delayMillis(10);
		_vm->_graphics->setBackgroundColor(kColorBlack);
		return;
	}

	Common::File file;

	if (!file.open("buttons.avd"))
		error("AVALANCHE: Help: File not found: buttons.avd");

	file.seek(which * 930); // 930 is the size of one button.

	Graphics::Surface button = loadPictureGraphic(file);

	int x = 0;
	if (y == -177) {
		x = 229;
		y = 5;
	}
	else
		x = 470;

	_vm->_graphics->drawPicture(_surface, button, x, y);

	button.free();
	file.close();
}

/**
 * @remarks	Originally called 'light'
 */
void GraphicManager::helpDrawHighlight(byte which, Color color) {
	if (which == 177) // Dummy value for "no button at all".
		return;

	which &= 31;
	drawRectangle(Common::Rect(466, 38 + which * 27, 556, 63 + which * 27), color);
}

void GraphicManager::helpDrawBigText(const Common::String text, int16 x, int16 y, Color color) {
	drawBigText(_surface, text, _vm->_font, 8, x, y, color);
}

/**
 * @remarks	Originally called 'titles'
 */
void GraphicManager::seuDrawTitle() {
	Common::File file;

	if (!file.open("shoot1.avd"))
		error("AVALANCHE: ShootEmUp: File not found: shoot1.avd");

	const uint16 width = 320;
	const uint16 height = 200;

	Graphics::Surface picture = loadPictureRaw(file, width, height);

	Graphics::Surface doubledPicture;
	doubledPicture.create(width * 2, height, Graphics::PixelFormat::createFormatCLUT8());

	// These cycles are for doubling the picture's width.
	for (int x = (width * 2) - 2 ; x >= 0; x -= 2) {
		for (int y = 0; y < height; y++) {
			*(byte *)doubledPicture.getBasePtr(x, y) = *(byte *)doubledPicture.getBasePtr(x + 1, y) = *(byte *)picture.getBasePtr(x / 2, y);
		}
	}

	drawPicture(_surface, doubledPicture, 0, 0);
	refreshScreen();

	picture.free();
	doubledPicture.free();

	file.close();
}

void GraphicManager::seuLoad() {
	Common::File file;

	if (!file.open("notts.avd"))
		error("AVALANCHE: ShootEmUp: File not found: notts.avd");

	for (int i = 0; i < 99; i++) {
		int size = file.readUint16LE();
		_seuPictures[i] = loadPictureGraphic(file);
		skipDifference(size, _seuPictures[i], file);
	}

	file.close();
}

void GraphicManager::seuFree() {
	for (int i = 0; i < 99; i++)
		_seuPictures[i].free();
}

/**
 * @remarks	Originally called 'display' and it also replaces 'display_const'
 */
void GraphicManager::seuDrawPicture(int x, int y, byte which) {
	drawPicture(_surface, _seuPictures[which], x, y);
}

/**
 * @remarks	Originally called 'cameo_display'
 */
void GraphicManager::seuDrawCameo(int destX, int destY, byte w1, byte w2) {
	// First we make the pixels of the previous sprite (cameo) blank:
	uint16 maxX = _seuPictures[w2].w;
	uint16 maxY = _seuPictures[w2].h;

	if (destX + maxX > _surface.w)
		maxX = _surface.w - destX;

	if (destY + maxY > _surface.h)
		maxY = _surface.h - destY;

	for (uint16 y = 0; y < maxY; y++) {
		for (uint16 x = 0; x < maxX; x++) {
			if (*(const byte *)_seuPictures[w2].getBasePtr(x, y) != 0)
				*(byte *)_surface.getBasePtr(x + destX, y + destY) = 0;
		}
	}

	// Then we draw the desired sprite:
	drawPicture(_surface, _seuPictures[w1], destX, destY);
}

uint16 GraphicManager::seuGetPicWidth(int which) {
	return _seuPictures[which].w;
}

uint16 GraphicManager::seuGetPicHeight(int which) {
	return _seuPictures[which].h;
}

void GraphicManager::menuRefreshScreen() {
	g_system->copyRectToScreen(_menu.getPixels(), _menu.pitch, 0, 0, kScreenWidth, kMenuScreenHeight);
	g_system->updateScreen();
}

void GraphicManager::menuInitialize() {
	initGraphics(kScreenWidth, kMenuScreenHeight);
	_menu.create(kScreenWidth, kMenuScreenHeight, Graphics::PixelFormat::createFormatCLUT8());
}

void GraphicManager::menuFree() {
	_menu.free();
}

void GraphicManager::menuRestoreScreen() {
	initGraphics(kScreenWidth, 2 * kScreenHeight);
}

void GraphicManager::menuLoadPictures() {
	_menu.fillRect(Common::Rect(0, 0, kScreenWidth, kMenuScreenHeight), kColorBlack);

	Common::File file;

	if (!file.open("menu.avd"))
		error("AVALANCHE: MainMenu: File not found: menu.avd");

	int height = 33;
	int width = 9 * 8;

	for (int plane = 0; plane < 4; plane++) {
		// The icons themselves:
		int n = 0;
		for (uint16 y = 70; y < 70 + height * 6; y++) {
			for (uint16 x = 48; x < 48 + width; x += 8) {
				if (n < 1773) { // Magic value deciphered from the original code.
					byte pixel = file.readByte();
					n++;
					for (int i = 0; i < 8; i++) {
						byte pixelBit = (pixel >> i) & 1;
						*(byte *)_menu.getBasePtr(x + 7 - i, y) += (pixelBit << plane);
					}
				}
			}
		}
		// The right borders of the menuboxes:
		for (int a = 0; a < 33; a++) {
			byte pixel = file.readByte();
			for (int b = 0; b < 6; b++) {
				for (int i = 0; i < 8; i++) {
					byte pixelBit = (pixel >> i) & 1;
					*(byte *)_menu.getBasePtr(584 + 7 - i, 70 + b * 33 + a) += (pixelBit << plane);
				}
			}
		}
	}

	for (int i = 0; i < 6; i++) {
		_menu.fillRect(Common::Rect(114, 73 + i * 33, 584, 100 + i * 33), kColorLightgray);
		_menu.fillRect(Common::Rect(114, 70 + i * 33, 584, 73 + i * 33), kColorWhite);
		_menu.fillRect(Common::Rect(114, 100 + i * 33, 584, 103 + i * 33), kColorDarkgray);
	}

	file.close();

	// The title on the top of the screen:
	if (!file.open("mainmenu.avd"))
		error("AVALANCHE: MainMenu: File not found: mainmenu.avd");

	Graphics::Surface title = loadPictureRaw(file, 640, 59);
	drawPicture(_menu, title, 0, 0);
	title.free();

	file.close();
}

void GraphicManager::menuDrawBigText(FontType font, uint16 x, uint16 y, Common::String text, Color color) {
	drawBigText(_menu, text, font, 14, x, y, color);
}

void GraphicManager::menuDrawIndicator(int x) { // TODO: Implement striped pattern for the indicator.
	if (x > 0)
		_menu.fillRect(Common::Rect(x - 1, 330, x, 337), kColorBlack);
	_menu.fillRect(Common::Rect(x, 330, x + 1, 337), kColorWhite);
	menuRefreshScreen();
}

/**
 * This function is for skipping the difference between a stored 'size' value associated with a picture
 * and the actual size of the pictures  when reading them from files for Ghostroom and Shoot em' up.
 * It's needed bacuse the original code loaded the pictures to arrays first and only used the useful parts
 * of these arrays when drawing the images, but in the ScummVM version, we only read the
 * useful parts from the files, so we have to skip these differences between readings.
 */
void GraphicManager::skipDifference(int size, const Graphics::Surface &picture, Common::File &file) {
	int bytesPerRow = (picture.w / 8);
	if ((picture.w % 8) > 0)
		bytesPerRow += 1;
	int loadedBytes = picture.h * bytesPerRow * 4 + 4;
	// * 4 is for the four planes, + 4 is for the reading of the width and the height at loadPictureGraphic's beginning.

	int bytesToSkip = size - loadedBytes;
	file.skip(bytesToSkip);
}

/**
 * This function mimics Pascal's getimage().
 */
Graphics::Surface GraphicManager::loadPictureGraphic(Common::File &file) {
	// The height and the width are stored in 2-2 bytes. We have to add 1 to each because Pascal stores the value of them -1.
	uint16 width = file.readUint16LE() + 1;
	uint16 height = file.readUint16LE() + 1;

	Graphics::Surface picture; // We make a Surface object for the picture itself.
	picture.create(width, height, Graphics::PixelFormat::createFormatCLUT8());

	// Produce the picture. We read it in row-by-row, and every row has 4 planes.
	for (int y = 0; y < height; y++) {
		for (int8 plane = 3; plane >= 0; plane--) { // The planes are in the opposite way.
			for (uint16 x = 0; x < width; x += 8) {
				byte pixel = file.readByte();
				for (int bit = 0; bit < 8; bit++) {
					byte pixelBit = (pixel >> bit) & 1;
					// If the picture's width is not a multiple of 8, and we get over the boundary with the 'x' cycle, pixelBit is surely == 0.
					// Otherwise, it doesn't cause trouble, since addign 0 doesn't have an effect at all.
					if (pixelBit != 0)
						*(byte *)picture.getBasePtr(x + 7 - bit, y) += (pixelBit << plane);
				}
			}
		}
	}
	return picture;
}

/**
 * Reads Row-planar EGA data.
 * This function is our own creation, very much like the one above. The main differences are that
 * we don't read the width and the height from the file, the planes are in a different order
 * and we read the picture plane-by-plane.
 */
Graphics::Surface GraphicManager::loadPictureRaw(Common::File &file, uint16 width, uint16 height) {
	Graphics::Surface picture;
	picture.create(width, height, Graphics::PixelFormat::createFormatCLUT8());

	for (int plane = 0; plane < 4; plane++) {
		for (uint16 y = 0; y < height; y++) {
			for (uint16 x = 0; x < width; x += 8) {
				byte pixel = file.readByte();
				for (int i = 0; i < 8; i++) {
					byte pixelBit = (pixel >> i) & 1;
					*(byte *)picture.getBasePtr(x + 7 - i, y) += (pixelBit << plane);
				}
			}
		}
	}

	return picture;
}

Graphics::Surface GraphicManager::loadPictureSign(Common::File &file, uint16 width, uint16 height) {
	// I know it looks very similar to the other loadPicture methods, but in truth it's the combination of the two.
	width *= 8;

	Graphics::Surface picture; // We make a Surface object for the picture itself.
	picture.create(width, height, Graphics::PixelFormat::createFormatCLUT8());

	// Produce the picture. We read it in row-by-row, and every row has 4 planes.
	for (int y = 0; y < height; y++) {
		for (int8 plane = 0; plane < 4; plane++) { // The planes are in the "right" order.
			for (uint16 x = 0; x < width; x += 8) {
				byte pixel = file.readByte();
				for (int bit = 0; bit < 8; bit++) {
					byte pixelBit = (pixel >> bit) & 1;
					*(byte *)picture.getBasePtr(x + 7 - bit, y) += (pixelBit << plane);
				}
			}
		}
	}

	return picture;
}

/**
* Shifts the whole screen down by one line and fills the gap with black.
*/
void GraphicManager::shiftScreen() {
	for (uint16 y = _surface.h - 1; y > 1; y--)
		memcpy(_surface.getBasePtr(0, y), _surface.getBasePtr(0, y - 1), _surface.w);

	_surface.drawLine(0, 0, _surface.w, 0, kColorBlack);
}

void GraphicManager::drawWinningPic() {
	Common::File file;

	if (!file.open("finale.avd"))
		error("AVALANCHE: Timer: File not found: finale.avd");

	Graphics::Surface winning = loadPictureRaw(file, 640, 200);
	drawPicture(_surface, winning, 0, 0);

	winning.free();
	file.close();
}

void GraphicManager::clearAlso() {
	_magics.fillRect(Common::Rect(0, 0, 640, 200), 0);
	_magics.frameRect(Common::Rect(0, 45, 640, 161), 15);
}

void GraphicManager::clearTextBar() {
	_surface.fillRect(Common::Rect(24, 161, 640, 169), kColorBlack); // Black out the line of the text.
}

void GraphicManager::setAlsoLine(int x1, int y1, int x2, int y2, Color color) {
	_magics.drawLine(x1, y1, x2, y2, color);
}

void GraphicManager::drawScreenLine(int16 x, int16 y, int16 x2, int16 y2, Color color) {
	_surface.drawLine(x, y, x2, y2, color);
}

byte GraphicManager::getAlsoColor(int x1, int y1, int x2, int y2) {
	byte returnColor = 0;
	for (int16 i = x1; i <= x2; i++) {
		for (int16 j = y1; j <= y2; j++) {
			byte actColor = *(byte *)_magics.getBasePtr(i, j);
			returnColor = MAX(returnColor, actColor);
		}
	}

	return returnColor;
}

byte GraphicManager::getScreenColor(Common::Point pos) {
	return *(byte *)_surface.getBasePtr(pos.x, pos.y / 2);
}

void GraphicManager::drawSprite(AnimationType *sprite, byte picnum, int16 x, int16 y) {
	// First we make the pixels of the sprite blank.
	for (int j = 0; j < sprite->_yLength; j++) {
		for (int i = 0; i < sprite->_xLength; i++) {
			if ((x + i < _surface.w) && (y + j < _surface.h)) {
				if (((*sprite->_sil[picnum])[j][i / 8] >> ((7 - i % 8)) & 1) == 0)
					*(byte *)_surface.getBasePtr(x + i, y + j) = 0;
			}
		}
	}

	// Then we draw the picture to the blank places.
	uint16 maniPos = 0; // Because the original manitype starts at 5!!! See Graphics.h for definition.

	for (int j = 0; j < sprite->_yLength; j++) {
		for (int8 plane = 3; plane >= 0; plane--) { // The planes are in the opposite way.
			for (uint16 i = 0; i < sprite->_xLength; i += 8) {
				byte pixel = (*sprite->_mani[picnum])[maniPos++];
				for (int bit = 0; bit < 8; bit++) {
					if ((x + i + 7 < _surface.w) && (y + j < _surface.h)) {
						byte pixelBit = (pixel >> bit) & 1;
						*(byte *)_surface.getBasePtr(x + i + 7 - bit, y + j) += (pixelBit << plane);
					}
				}
			}
		}
	}
}

void GraphicManager::drawPicture(Graphics::Surface &target, const Graphics::Surface picture, uint16 destX, uint16 destY) {
	// Copy the picture to the given place on the screen.
	uint16 maxX = picture.w;
	uint16 maxY = picture.h;

	if (destX + maxX > target.w)
		maxX = target.w - destX;

	if (destY + maxY > target.h)
		maxY = target.h - destY;

	for (uint16 y = 0; y < maxY; y++) {
		for (uint16 x = 0; x < maxX; x++)
			*(byte *)target.getBasePtr(x + destX, y + destY) = *(const byte *)picture.getBasePtr(x, y);
	}
}

void GraphicManager::drawCursor(byte pos) {
	int pixPos = 24 + (pos * 8);
	// Draw the '_' character.
	for (int i = 0; i < 8; i++)
		*(byte *)_surface.getBasePtr(pixPos + i, 168) = kColorWhite;
}

void GraphicManager::drawReadyLight(Color color) {
	_surface.fillRect(Common::Rect(419, 195, 439, 198), color);
	_scrolls.fillRect(Common::Rect(419, 195, 439, 198), color);
}

void GraphicManager::drawSoundLight(bool state) {
	Color color = kColorBlack;
	if (state)
		color = kColorCyan;
	else
		color = kColorBlack;
	_surface.fillRect(Common::Rect(419, 175, 439, 178), color);
}

void GraphicManager::drawErrorLight(bool state) {
	Color color = kColorBlack;
	if (state)
		color = kColorRed;
	else
		color = kColorBlack;
	_surface.fillRect(Common::Rect(419, 184, 439, 187), color);
	refreshScreen();
}

/**
 * This is for drawing a big "about" or "gameover" picture loaded from a file into an empty scroll.
 */
void GraphicManager::drawSign(Common::String fn, int16 xl, int16 yl, int16 y) {
	Common::File file;
	Common::String filename = Common::String::format("%s.avd", fn.c_str());

	if (!file.open(filename))
		error("AVALANCHE: Scrolls: File not found: %s", filename.c_str());

	Graphics::Surface sign; // We make a Surface object for the picture itself.
	sign = loadPictureSign(file, xl, yl);
	uint16 width = xl * 8;
	drawPicture(_scrolls, sign, kScreenWidth / 2 - width / 2, y); // x coord: center the picture.

	file.close();
}

/**
 * Draws an icon to the current scroll.
 * @remarks	Originally called 'geticon'
 */
void GraphicManager::drawIcon(int16 x, int16 y, byte which) {
	Common::File file;

	if (!file.open("icons.avd"))
		error("AVALANCHE: Scrolls: File not found: icons.avd");

	which--;
	file.seek(which * 426);

	Graphics::Surface icon = loadPictureGraphic(file);
	drawPicture(_scrolls, icon, x, y);

	icon.free();
	file.close();
}

void GraphicManager::prepareBubble(int xc, int xw, int my, Common::Point points[3]) {
	// Backup the screen before drawing the bubble.
	_scrolls.copyFrom(_surface);

	int16 talkX = _vm->_dialogs->getTalkPosX();
	// The body of the bubble.
	_scrolls.fillRect(Common::Rect(xc + talkX - xw + 9, 7, talkX + xw - 8 + xc, my + 1), _talkBackgroundColor);
	_scrolls.fillRect(Common::Rect(xc + talkX - xw - 1, 12, talkX + xw + xc + 2, my - 4), _talkBackgroundColor);

	// Top the 4 rounded corners of the bubble.
	drawPieSlice(xc + talkX + xw - 10, 11, 0, 90, 9, _talkBackgroundColor);
	drawPieSlice(xc + talkX + xw - 10, my - 4, 270, 360, 9, _talkBackgroundColor);
	drawPieSlice(xc + talkX - xw + 10, 11, 90, 180, 9, _talkBackgroundColor);
	drawPieSlice(xc + talkX - xw + 10, my - 4, 180, 270, 9, _talkBackgroundColor);

	// "Tail" of the speech bubble.
	drawTriangle(points, _talkBackgroundColor);
}

/**
 * Set the background of the text to the desired color.
 */
void GraphicManager::wipeChar(int x, int y, Color color) {
	for (int k = 0; k < 8; k++)
		*(byte *)_surface.getBasePtr(x + k, y) = color;
}

void GraphicManager::drawChar(byte ander, int x, int y, Color color) {
	byte pixel = ander;
	for (int bit = 0; bit < 8; bit++) {
		byte pixelBit = (pixel >> bit) & 1;
		if (pixelBit)
			*(byte *)_surface.getBasePtr(x + 7 - bit, y) = color;
	}
}
void GraphicManager::refreshScreen() {
	// These cycles are for doubling the screen height.
	for (uint16 y = 0; y < _screen.h / 2; y++) {
		memcpy(_screen.getBasePtr(0, y * 2), _surface.getBasePtr(0, y), _screen.w);
		memcpy(_screen.getBasePtr(0, y * 2 + 1), _surface.getBasePtr(0, y), _screen.w);
	}
	// Now we copy the stretched picture to the screen.
	g_system->copyRectToScreen(_screen.getPixels(), _screen.pitch, 0, 0, kScreenWidth, kScreenHeight * 2);
	g_system->updateScreen();
}

void GraphicManager::loadBackground(Common::File &file) {
	_background.free();
	_background = loadPictureRaw(file, kBackgroundWidth, kBackgroundHeight);
}

void GraphicManager::refreshBackground() {
	drawPicture(_surface, _background, 0, 10);
}

/**
 * Only used when entering the map.
 * @remarks	Originally called 'zoomout'
 */
void GraphicManager::zoomOut(int16 x, int16 y) {
	//setlinestyle(dottedln, 0, 1); TODO: Implement it with a dotted line style!!!

	saveScreen();
	for (byte i = 1; i <= 20; i ++) {
		int16 x1 = x - (x / 20) * i;
		int16 y1 = y - ((y - 10) / 20) * i;
		int16 x2 = x + (((639 - x) / 20) * i);
		int16 y2 = y + (((161 - y) / 20) * i);

		_surface.frameRect(Common::Rect(x1, y1, x2, y2), kColorWhite);
		refreshScreen();
		_vm->_system->delayMillis(17);

		restoreScreen();
	}
	removeBackup();
}

void GraphicManager::showScroll() {
	_surface.copyFrom(_scrolls); // TODO: Rework it using getSubArea !!!!!!!
}

void GraphicManager::getNaturalPicture(SpriteType &sprite) {
	sprite._type = kNaturalImage; // We simply read from the screen and later, in drawSprite() we draw it right back.
	sprite._size = sprite._width * 8 * sprite._height + 1;
	sprite._picture.create(sprite._width * 8, sprite._height + 1, Graphics::PixelFormat::createFormatCLUT8());
	for (uint16 y = 0; y < sprite._height + 1; y++) {
		for (uint16 x = 0; x < sprite._width * 8; x++)
			*(byte *)sprite._picture.getBasePtr(x, y) = *(byte *)_vm->_graphics->_surface.getBasePtr(sprite._x * 8 + x, sprite._y + y);
	}
}

void GraphicManager::saveScreen() {
	_backup.copyFrom(_surface);
}

void GraphicManager::removeBackup() {
	_backup.free();
}

void GraphicManager::restoreScreen() {
	_surface.copyFrom(_backup);
	refreshScreen();
}

void GraphicManager::setDialogColor(Color bg, Color text) {
	_talkBackgroundColor = bg;
	_talkFontColor = text;
}

/**
* Changes the black color of the palette to the selected one.
* @remarks	Originally called 'background'
*/
void GraphicManager::setBackgroundColor(Color newColor) {
	g_system->getPaletteManager()->setPalette(_egaPalette[kEgaPaletteIndex[newColor]], kColorBlack, 1);
}

} // End of namespace Avalanche