aboutsummaryrefslogtreecommitdiff
path: root/engines/scumm/intern.h
blob: c693787e83df22ef710e0c473acbaaf12ae59bb5 (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
/* 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.
 *
 * $URL$
 * $Id$
 *
 */

#ifndef SCUMM_INTERN_H
#define SCUMM_INTERN_H

#include "scumm/scumm.h"

namespace Scumm {

class Insane;
class SmushMixer;
class SmushPlayer;

// This is to help devices with small memory (PDA, smartphones, ...)
// to save abit of memory used by opcode names in the Scumm engine.
#ifndef REDUCE_MEMORY_USAGE
#	define _OPCODE(ver, x)	{ &ver::x, #x }
#else
#	define _OPCODE(ver, x)	{ &ver::x, "" }
#endif

class ScummEngine_v5 : public ScummEngine {
protected:
	typedef void (ScummEngine_v5::*OpcodeProcV5)();
	struct OpcodeEntryV5 {
		OpcodeProcV5 proc;
		const char *desc;
	};

	const OpcodeEntryV5 *_opcodesV5;

	uint16 _cursorImages[4][17];
	byte _cursorHotspots[2 * 4];

	struct {
		int x, y, w, h;
		byte *buffer;
		uint16 xStrips, yStrips;
		bool isDrawn;
	} _flashlight;

	char _saveLoadVarsFilename[256];

public:
	ScummEngine_v5(OSystem *syst, const DetectorResult &dr);

	void clearFlashlight();

	virtual void resetCursors();

protected:
	virtual void setupOpcodes();
	virtual void executeOpcode(byte i);
	virtual const char *getOpcodeDesc(byte i);

	virtual void scummLoop_handleActors();

	virtual void setupScummVars();
	virtual void resetScummVars();
	virtual void decodeParseString();

	virtual void saveOrLoad(Serializer *s);

	virtual void readMAXS(int blockSize);

	int getWordVararg(int *ptr);
	void saveVars();
	void loadVars();
	void saveIQPoints();
	void loadIQPoints();

	virtual int getVar();
	virtual int getVarOrDirectByte(byte mask);
	virtual int getVarOrDirectWord(byte mask);

	virtual void animateCursor();

	virtual void setBuiltinCursor(int index);
	void redefineBuiltinCursorFromChar(int index, int chr);
	void redefineBuiltinCursorHotspot(int index, int x, int y);

	void drawFlashlight();

	/* Version 5 script opcodes */
	void o5_actorFollowCamera();
	void o5_actorFromPos();
	void o5_actorOps();
	void o5_add();
	void o5_and();
	void o5_animateActor();
	void o5_breakHere();
	void o5_chainScript();
	void o5_cursorCommand();
	void o5_cutscene();
	void o5_debug();
	void o5_decrement();
	void o5_delay();
	void o5_delayVariable();
	void o5_divide();
	void o5_doSentence();
	void o5_drawBox();
	void o5_drawObject();
	void o5_endCutscene();
	void o5_equalZero();
	void o5_expression();
	void o5_faceActor();
	void o5_findInventory();
	void o5_findObject();
	void o5_freezeScripts();
	void o5_getActorCostume();
	void o5_getActorElevation();
	void o5_getActorFacing();
	void o5_getActorMoving();
	void o5_getActorRoom();
	void o5_getActorScale();
	void o5_getActorWalkBox();
	void o5_getActorWidth();
	void o5_getActorX();
	void o5_getActorY();
	void o5_getAnimCounter();
	void o5_getClosestObjActor();
	void o5_getDist();
	void o5_getInventoryCount();
	void o5_getObjectOwner();
	void o5_getObjectState();
	void o5_getRandomNr();
	void o5_getStringWidth();
	void o5_getVerbEntrypoint();
	void o5_ifClassOfIs();
	void o5_ifNotState();
	void o5_ifState();
	void o5_increment();
	void o5_isActorInBox();
	void o5_isEqual();
	void o5_isGreater();
	void o5_isGreaterEqual();
	void o5_isLess();
	void o5_isNotEqual();
	void o5_isScriptRunning();
	void o5_isSoundRunning();
	void o5_jumpRelative();
	void o5_lessOrEqual();
	void o5_lights();
	void o5_loadRoom();
	void o5_loadRoomWithEgo();
	void o5_matrixOps();
	void o5_move();
	void o5_multiply();
	void o5_notEqualZero();
	void o5_oldRoomEffect();
	void o5_or();
	void o5_beginOverride();
	void o5_panCameraTo();
	void o5_pickupObject();
	void o5_pickupObjectOld();
	void o5_print();
	void o5_printEgo();
	void o5_pseudoRoom();
	void o5_putActor();
	void o5_putActorAtObject();
	void o5_putActorInRoom();
	void o5_systemOps();
	void o5_resourceRoutines();
	void o5_roomOps();
	void o5_saveLoadGame();
	void o5_saveLoadVars();
	void o5_saveRestoreVerbs();
	void o5_setCameraAt();
	void o5_setClass();
	void o5_setObjectName();
	void o5_setOwnerOf();
	void o5_setState();
	void o5_setVarRange();
	void o5_soundKludge();
	void o5_startMusic();
	void o5_startObject();
	void o5_startScript();
	void o5_startSound();
	void o5_stopMusic();
	void o5_stopObjectCode();
	void o5_stopObjectScript();
	void o5_stopScript();
	void o5_stopSound();
	void o5_stringOps();
	void o5_subtract();
	void o5_verbOps();
	void o5_wait();
	void o5_walkActorTo();
	void o5_walkActorToActor();
	void o5_walkActorToObject();
};

/**
 * Engine for version 4 SCUMM games; GF_SMALL_HEADER is always set for these.
 */
class ScummEngine_v4 : public ScummEngine_v5 {
public:
	ScummEngine_v4(OSystem *syst, const DetectorResult &dr);

	virtual void resetScumm();

protected:
	virtual void readResTypeList(int id);
	virtual void readIndexFile();
	virtual void loadCharset(int no);
	virtual void resetRoomObjects();
	virtual void readMAXS(int blockSize);
	virtual void readGlobalObjects();

	virtual void resetRoomObject(ObjectData *od, const byte *room, const byte *searchptr = NULL);
};

/**
 * Engine for version 3 SCUMM games; GF_SMALL_NAMES is always set for these.
 */
class ScummEngine_v3 : public ScummEngine_v4 {
public:
	ScummEngine_v3(OSystem *syst, const DetectorResult &dr);

protected:
	virtual void readRoomsOffsets();
	virtual void loadCharset(int no);

	virtual void processKeyboard(Common::KeyState lastKeyHit);
};

/**
 * Engine for old format version 3 SCUMM games; GF_OLD_BUNDLE is always set for these.
 */
class ScummEngine_v3old : public ScummEngine_v3 {
public:
	ScummEngine_v3old(OSystem *syst, const DetectorResult &dr);

protected:
	virtual void readResTypeList(int id);
	virtual void readIndexFile();
	virtual void setupRoomSubBlocks();
	virtual void resetRoomSubBlocks();
	virtual void resetRoomObjects();
};

/**
 * Engine for version 2 SCUMM games.
 */
class ScummEngine_v2 : public ScummEngine_v3old {
protected:
	typedef void (ScummEngine_v2::*OpcodeProcV2)();
	struct OpcodeEntryV2 {
		OpcodeProcV2 proc;
		const char *desc;
	};

	const OpcodeEntryV2 *_opcodesV2;

	struct V2MouseoverBox {
		Common::Rect rect;
		byte color;
		byte hicolor;
	};

	V2MouseoverBox _mouseOverBoxesV2[7];
	int8 _mouseOverBoxV2;

	char _sentenceBuf[256];

	int _activeInventory;
	int _activeObject;
	int _activeVerb;

public:
	ScummEngine_v2(OSystem *syst, const DetectorResult &dr);

	virtual void resetScumm();

	void checkV2MouseOver(Common::Point pos);
	void checkV2Inventory(int x, int y);
	void redrawV2Inventory();

protected:
	virtual void setupOpcodes();
	virtual void executeOpcode(byte i);
	virtual const char *getOpcodeDesc(byte i);

	virtual void setupScummVars();
	virtual void resetScummVars();
	virtual void decodeParseString();

	virtual void processKeyboard(Common::KeyState lastKeyHit);

	virtual void readIndexFile();
	void readClassicIndexFile();	// V1
	void readEnhancedIndexFile();	// V2
	virtual void readGlobalObjects();
	virtual void loadCharset(int no);

	virtual void runInputScript(int clickArea, int val, int mode);
	virtual void runInventoryScript(int i);

	virtual int getVar();

	void getResultPosIndirect();
	virtual void getResultPos();
	virtual int readVar(uint var);
	virtual void writeVar(uint var, int value);

	virtual void ifStateCommon(byte type);
	virtual void ifNotStateCommon(byte type);
	virtual void setStateCommon(byte type);
	virtual void clearStateCommon(byte type);

	virtual void resetSentence();
	void setUserState(byte state);

	virtual void handleMouseOver(bool updateInventory);
	virtual void checkExecVerbs();
	void initV2MouseOver();
	void initNESMouseOver();

	virtual void setBuiltinCursor(int index);

	void runObject(int obj, int entry);

	/* Version 2 script opcodes */
	void o2_actorFromPos();
	void o2_actorOps();
	void o2_add();
	void o2_addIndirect();
	void o2_assignVarByte();
	void o2_assignVarWordIndirect();
	void o2_beginOverride();
	void o2_chainScript();
	void o2_clearState01();
	void o2_clearState02();
	void o2_clearState04();
	void o2_clearState08();
	void o2_cursorCommand();
	void o2_cutscene();
	void o2_delay();
	void o2_doSentence();
	void o2_drawObject();
	void o2_drawSentence();
	void o2_dummy();
	void o2_endCutscene();
	void o2_findObject();
	void o2_getActorWalkBox();
	void o2_getActorX();
	void o2_getActorY();
	void o2_getBitVar();
	void o2_getObjPreposition();
	void o2_ifClassOfIs();
	void o2_ifNotState01();
	void o2_ifNotState02();
	void o2_ifNotState04();
	void o2_ifNotState08();
	void o2_ifState01();
	void o2_ifState02();
	void o2_ifState04();
	void o2_ifState08();
	void o2_isGreater();
	void o2_isGreaterEqual();
	void o2_isLess();
	void o2_isLessEqual();
	void o2_lights();
	void o2_loadRoomWithEgo();
	void o2_setBoxFlags();
	void o2_panCameraTo();
	void o2_pickupObject();
	void o2_putActor();
	void o2_putActorAtObject();
	void o2_putActorInRoom();
	void o2_resourceRoutines();
	void o2_restart();
	void o2_roomOps();
	void o2_getActorElevation();
	void o2_setActorElevation();
	void o2_setBitVar();
	void o2_setCameraAt();
	void o2_setObjPreposition();
	void o2_setOwnerOf();
	void o2_setState01();
	void o2_setState02();
	void o2_setState04();
	void o2_setState08();
	void o2_startScript();
	void o2_stopScript();
	void o2_subtract();
	void o2_subIndirect();
	void o2_switchCostumeSet();
	void o2_verbOps();
	void o2_waitForActor();
	void o2_waitForMessage();
	void o2_waitForSentence();
	void o2_walkActorTo();
	void o2_walkActorToObject();

	byte VAR_SENTENCE_VERB;
	byte VAR_SENTENCE_OBJECT1;
	byte VAR_SENTENCE_OBJECT2;
	byte VAR_SENTENCE_PREPOSITION;
	byte VAR_BACKUP_VERB;

	byte VAR_CLICK_AREA;
	byte VAR_CLICK_VERB;
	byte VAR_CLICK_OBJECT;
};

/**
 * Engine for Apple II and Commodore 64 versions of Maniac Mansion
 */
class ScummEngine_v0 : public ScummEngine_v2 {
protected:
	typedef void (ScummEngine_v0::*OpcodeProcC64)();
	struct OpcodeEntryC64 {
		OpcodeProcC64 proc;
		const char *desc;
	};

	const OpcodeEntryC64 *_opcodesC64;

	int _currentMode;
public:
	ScummEngine_v0(OSystem *syst, const DetectorResult &dr);

	virtual void resetScumm();

protected:
	virtual void resetRoomObject(ObjectData *od, const byte *room, const byte *searchptr = NULL);

	virtual void setupOpcodes();
	virtual void executeOpcode(byte i);
	virtual const char *getOpcodeDesc(byte i);

	virtual void setupScummVars();
	virtual void resetScummVars();
	virtual void decodeParseString();

	virtual void processInput();

	virtual void saveOrLoad(Serializer *s);

	virtual void checkExecVerbs();
	virtual void handleMouseOver(bool updateInventory);
	void resetVerbs();
	void setNewKidVerbs();
	void drawSentence();

	void switchActor(int slot);

	virtual int getVarOrDirectWord(byte mask);
	virtual uint fetchScriptWord();

	virtual void ifStateCommon(byte type);
	virtual void ifNotStateCommon(byte type);
	virtual void setStateCommon(byte type);
	virtual void clearStateCommon(byte type);

	virtual void resetSentence();

	int getObjectFlag();

	/* Version C64 script opcodes */
	void o_setState08();
	void o_clearState08();
	void o_stopCurrentScript();
	void o_loadSound();
	void o_getActorMoving();
	void o_animateActor();
	void o_putActorAtObject();
	void o_pickupObject();
	void o_setObjectName();
	void o_lockSound();
	void o_lockCostume();
	void o_loadCostume();
	void o_loadRoom();
	void o_loadRoomWithEgo();
	void o_lockScript();
	void o_loadScript();
	void o_lockRoom();
	void o_cursorCommand();
	void o_lights();
	void o_unlockCostume();
	void o_unlockScript();
	void o_decrement();
	void o_nop();
	void o_getActorBitVar();
	void o_setActorBitVar();
	void o_getBitVar();
	void o_setBitVar();
	void o_doSentence();
	void o_unknown2();
	void o_ifActiveObject();
	void o_getClosestObjActor();
	void o_printEgo_c64();
	void o_print_c64();
	void o_unlockRoom();
	void o_unlockSound();
	void o_cutscene();
	void o_endCutscene();
	void o_beginOverride();
	void o_isEqual();
	void o_isGreater();
	void o_isGreaterEqual();
	void o_isLess();
	void o_isLessEqual();
	void o_isNotEqual();
	void o_notEqualZero();
	void o_equalZero();
	void o_jumpRelative();
	void o_setOwnerOf();
};

class ScummEngine_v6 : public ScummEngine {
	friend class Insane;

protected:
	typedef void (ScummEngine_v6::*OpcodeProcV6)();
	struct OpcodeEntryV6 {
		OpcodeProcV6 proc;
		const char *desc;
	};

	enum ArrayType {
		kBitArray = 1,
		kNibbleArray = 2,
		kByteArray = 3,
		kStringArray = 4,
		kIntArray = 5,
		kDwordArray = 6
	};

#include "common/pack-start.h"	// START STRUCT PACKING

	struct ArrayHeader {
		int16 dim1;
		int16 type;
		int16 dim2;
		byte data[1];
	} PACKED_STRUCT;

#include "common/pack-end.h"	// END STRUCT PACKING

	const OpcodeEntryV6 *_opcodesV6;

	struct TextObject {
		int16 xpos, ypos;
		byte color;
		byte charset;
		byte text[256];
	};

	/** BlastObjects to draw */
	struct BlastObject {
		uint16 number;
		Common::Rect rect;
		uint16 scaleX, scaleY;
		uint16 image;
		uint16 mode;
	};

	int _blastObjectQueuePos;
	BlastObject _blastObjectQueue[200];

	struct BlastText : TextObject {
		Common::Rect rect;
		bool center;
	};

	int _blastTextQueuePos;
	BlastText _blastTextQueue[50];

	// Akos Class
	struct {
		int16 cmd;
		int16 actor;
		int16 param1;
		int16 param2;
	} _akosQueue[32];
	int16 _akosQueuePos;

	byte _curActor;
	int _curVerb;
	int _curVerbSlot;

	bool _forcedWaitForMessage;

public:
	ScummEngine_v6(OSystem *syst, const DetectorResult &dr);

	virtual void resetScumm();

protected:
	virtual void setupOpcodes();
	virtual void executeOpcode(byte i);
	virtual const char *getOpcodeDesc(byte i);

	virtual void scummLoop_handleActors();
	virtual void processKeyboard(Common::KeyState lastKeyHit);

	virtual void setupScummVars();
	virtual void decodeParseString(int a, int b);
	virtual void readArrayFromIndexFile();

	virtual byte *getStringAddress(int i);
	virtual void readMAXS(int blockSize);

	virtual void palManipulateInit(int resID, int start, int end, int time);
	virtual void drawDirtyScreenParts();

	int getStackList(int *args, uint maxnum);
	int popRoomAndObj(int *room);

	ArrayHeader *getArray(int array);
	byte *defineArray(int array, int type, int dim2, int dim1);
	int findFreeArrayId();
	void nukeArray(int array);
	virtual int readArray(int array, int index, int base);
	virtual void writeArray(int array, int index, int base, int value);
	void shuffleArray(int num, int minIdx, int maxIdx);

	virtual void setDefaultCursor();
	void setCursorTransparency(int a);
	void setCursorHotspot(int x, int y);

	virtual void setCursorFromImg(uint img, uint room, uint imgindex);
	void useIm01Cursor(const byte *im, int w, int h);
	void useBompCursor(const byte *im, int w, int h);
	void grabCursor(int x, int y, int w, int h);

	void enqueueText(const byte *text, int x, int y, byte color, byte charset, bool center);
	void drawBlastTexts();
	void removeBlastTexts();

	void enqueueObject(int objectNumber, int objectX, int objectY, int objectWidth,
	                   int objectHeight, int scaleX, int scaleY, int image, int mode);
	void drawBlastObjects();
	void drawBlastObject(BlastObject *eo);
	void removeBlastObjects();
	void removeBlastObject(BlastObject *eo);

	virtual void clearDrawQueues();

public:
	bool akos_increaseAnims(const byte *akos, Actor *a);
	bool akos_increaseAnim(Actor *a, int i, const byte *aksq, const uint16 *akfo, int numakfo);
protected:
	void akos_queCommand(byte cmd, Actor *a, int param_1, int param_2);
	virtual void akos_processQueue();

	virtual void processActors();

	int getSpecialBox(int x, int y);

	int getDistanceBetween(bool is_obj_1, int b, int c, bool is_obj_2, int e, int f);

	/* Version 6 script opcodes */
	void o6_setBlastObjectWindow();
	void o6_pushByte();
	void o6_pushWord();
	void o6_pushByteVar();
	void o6_pushWordVar();
	void o6_invalid();
	void o6_byteArrayRead();
	void o6_wordArrayRead();
	void o6_byteArrayIndexedRead();
	void o6_wordArrayIndexedRead();
	void o6_dup();
	void o6_pop();
	void o6_not();
	void o6_eq();
	void o6_neq();
	void o6_gt();
	void o6_lt();
	void o6_le();
	void o6_ge();
	void o6_add();
	void o6_sub();
	void o6_mul();
	void o6_div();
	void o6_land();
	void o6_lor();
	void o6_writeByteVar();
	void o6_writeWordVar();
	void o6_byteArrayWrite();
	void o6_wordArrayWrite();
	void o6_byteArrayIndexedWrite();
	void o6_wordArrayIndexedWrite();
	void o6_byteVarInc();
	void o6_wordVarInc();
	void o6_byteArrayInc();
	void o6_wordArrayInc();
	void o6_byteVarDec();
	void o6_wordVarDec();
	void o6_byteArrayDec();
	void o6_wordArrayDec();
	void o6_if();
	void o6_ifNot();
	void o6_jump();
	void o6_startScript();
	void o6_startScriptQuick();
	void o6_startObject();
	void o6_drawObject();
	void o6_drawObjectAt();
	void o6_stopObjectCode();
	void o6_endCutscene();
	void o6_cutscene();
	void o6_stopMusic();
	void o6_freezeUnfreeze();
	void o6_cursorCommand();
	void o6_breakHere();
	void o6_ifClassOfIs();
	void o6_setClass();
	void o6_getState();
	void o6_setState();
	void o6_setOwner();
	void o6_getOwner();
	void o6_startSound();
	void o6_stopSound();
	void o6_startMusic();
	void o6_stopObjectScript();
	void o6_panCameraTo();
	void o6_actorFollowCamera();
	void o6_setCameraAt();
	void o6_loadRoom();
	void o6_stopScript();
	void o6_walkActorToObj();
	void o6_walkActorTo();
	void o6_putActorAtXY();
	void o6_putActorAtObject();
	void o6_faceActor();
	void o6_animateActor();
	void o6_doSentence();
	void o6_pickupObject();
	void o6_loadRoomWithEgo();
	void o6_getRandomNumber();
	void o6_getRandomNumberRange();
	void o6_getActorMoving();
	void o6_isScriptRunning();
	void o6_getActorRoom();
	void o6_getObjectX();
	void o6_getObjectY();
	void o6_getObjectOldDir();
	void o6_getObjectNewDir();
	void o6_getActorWalkBox();
	void o6_getActorCostume();
	void o6_findInventory();
	void o6_getInventoryCount();
	void o6_getVerbFromXY();
	void o6_beginOverride();
	void o6_endOverride();
	void o6_setObjectName();
	void o6_isSoundRunning();
	void o6_setBoxFlags();
	void o6_createBoxMatrix();
	void o6_resourceRoutines();
	void o6_roomOps();
	void o6_actorOps();
	void o6_verbOps();
	void o6_getActorFromXY();
	void o6_findObject();
	void o6_pseudoRoom();
	void o6_getActorElevation();
	void o6_getVerbEntrypoint();
	void o6_arrayOps();
	void o6_saveRestoreVerbs();
	void o6_drawBox();
	void o6_getActorWidth();
	void o6_wait();
	void o6_getActorScaleX();
	void o6_getActorAnimCounter();
	void o6_soundKludge();
	void o6_isAnyOf();
	void o6_systemOps();
	void o6_isActorInBox();
	void o6_delay();
	void o6_delaySeconds();
	void o6_delayMinutes();
	void o6_stopSentence();
	void o6_printLine();
	void o6_printText();
	void o6_printDebug();
	void o6_printSystem();
	void o6_printActor();
	void o6_printEgo();
	void o6_talkActor();
	void o6_talkEgo();
	void o6_dimArray();
	void o6_dummy();
	void o6_startObjectQuick();
	void o6_startScriptQuick2();
	void o6_dim2dimArray();
	void o6_abs();
	void o6_distObjectObject();
	void o6_distObjectPt();
	void o6_distPtPt();
	virtual void o6_kernelSetFunctions();
	void o6_delayFrames();
	void o6_pickOneOf();
	void o6_pickOneOfDefault();
	void o6_jumpToScript();
	void o6_isRoomScriptRunning();
	void o6_kernelGetFunctions();
	void o6_getAnimateVariable();
	void o6_drawBlastObject();
	void o6_getActorLayer();
	void o6_stampObject();
	void o6_bor();
	void o6_band();
	void o6_stopTalking();
	void o6_findAllObjects();
	void o6_pickVarRandom();
	void o6_getDateTime();
	void o6_getPixel();
	void o6_setBoxSet();
	void o6_shuffle();

	byte VAR_VIDEONAME;
	byte VAR_RANDOM_NR;
	byte VAR_STRING2DRAW;

	byte VAR_TIMEDATE_YEAR;
	byte VAR_TIMEDATE_MONTH;
	byte VAR_TIMEDATE_DAY;
	byte VAR_TIMEDATE_HOUR;
	byte VAR_TIMEDATE_MINUTE;
	byte VAR_TIMEDATE_SECOND;
};

#ifndef DISABLE_SCUMM_7_8
class ScummEngine_v7 : public ScummEngine_v6 {
	friend class SmushPlayer;
	friend class Insane;
public:
	ScummEngine_v7(OSystem *syst, const DetectorResult &dr);
	~ScummEngine_v7();


protected:
	int _smushFrameRate;

	/**
	 * Flag which signals that the SMUSH video playback should end now
	 * (e.g. because it was aborted by the user or it's simply finished).
	 */
	bool _smushVideoShouldFinish;

	bool _smushActive;

	Insane *_insane;

public:
	SmushMixer *_smixer;
	SmushPlayer *_splayer;


	struct LangIndexNode {
		char tag[12+1];
		int32 offset;
	};

protected:
	int _verbLineSpacing;
	bool _existLanguageFile;
	char *_languageBuffer;
	LangIndexNode *_languageIndex;
	int _languageIndexSize;
	char _lastStringTag[12+1];

#if defined(__SYMBIAN32__) || defined (_WIN32_WCE) // for some reason VC6 cannot find the base class TextObject
	struct SubtitleText {
		int16 xpos, ypos;
		byte color;
		byte charset;
		byte text[256];
		bool actorSpeechMsg;
	};
#else
	struct SubtitleText : TextObject {
		bool actorSpeechMsg;
	};
#endif

	int _subtitleQueuePos;
	SubtitleText _subtitleQueue[20];

public:
	void processSubtitleQueue();
	void addSubtitleToQueue(const byte *text, const Common::Point &pos, byte color, byte charset);
	void clearSubtitleQueue();

protected:
	virtual int runDialog(Dialog &dialog);

	virtual void scummLoop_handleSound();
	virtual void scummLoop_handleDrawing();
	virtual void processKeyboard(Common::KeyState lastKeyHit);

	virtual void setupScumm();

	virtual void setupScummVars();
	virtual void resetScummVars();

	virtual void akos_processQueue();

	virtual void saveOrLoad(Serializer *s);

	virtual void readMAXS(int blockSize);
	virtual void readGlobalObjects();
	virtual void readIndexBlock(uint32 blocktype, uint32 itemsize);

	virtual void setCameraAt(int pos_x, int pos_y);
	virtual void setCameraFollows(Actor *a, bool setCamera = false);
	virtual void moveCamera();
	virtual void panCameraTo(int x, int y);

	virtual int getObjectIdFromOBIM(const byte *obim);

	virtual void actorTalk(const byte *msg);
	virtual void translateText(const byte *text, byte *trans_buff);
	virtual void loadLanguageBundle();
	void playSpeech(const byte *ptr);

	virtual void drawVerb(int verb, int mode);


	virtual void o6_kernelSetFunctions();
};

class ScummEngine_v8 : public ScummEngine_v7 {
protected:
	typedef void (ScummEngine_v8::*OpcodeProcV8)();
	struct OpcodeEntryV8 {
		OpcodeProcV8 proc;
		const char *desc;
	};

	const OpcodeEntryV8 *_opcodesV8;

	struct ObjectNameId {
		char name[40];
		int id;
	};
	int _objectIDMapSize;
	ObjectNameId *_objectIDMap;

	int _keyScriptKey, _keyScriptNo;

public:
	ScummEngine_v8(OSystem *syst, const DetectorResult &dr);
	~ScummEngine_v8();

protected:
	virtual void setupOpcodes();
	virtual void executeOpcode(byte i);
	virtual const char *getOpcodeDesc(byte i);

	virtual void printString(int m, const byte *msg);
	virtual void CHARSET_1();

	virtual void scummLoop_handleSaveLoad();

	virtual void setupScummVars();
	virtual void resetScummVars();
	virtual void decodeParseString(int m, int n);
	virtual void readArrayFromIndexFile();

	virtual void readMAXS(int blockSize);
	virtual void readGlobalObjects();

	virtual uint fetchScriptWord();
	virtual int fetchScriptWordSigned();

	virtual int readVar(uint var);
	virtual void writeVar(uint var, int value);

	virtual int getObjectIdFromOBIM(const byte *obim);

	virtual void processKeyboard(Common::KeyState lastKeyHit);

	void desaturatePalette(int hueScale, int satScale, int lightScale, int startColor, int endColor);


	/* Version 8 script opcodes */
	void o8_mod();
	void o8_wait();

	void o8_dimArray();
	void o8_dim2dimArray();
	void o8_arrayOps();
	void o8_blastText();

	void o8_cursorCommand();
	void o8_resourceRoutines();
	void o8_roomOps();
	void o8_actorOps();
	void o8_cameraOps();
	void o8_verbOps();

	void o8_systemOps();
	void o8_startVideo();
	void o8_kernelSetFunctions();
	void o8_kernelGetFunctions();

	void o8_getActorChore();
	void o8_getActorZPlane();

	void o8_drawObject();
	void o8_getObjectImageX();
	void o8_getObjectImageY();
	void o8_getObjectImageWidth();
	void o8_getObjectImageHeight();

	void o8_getStringWidth();

	byte VAR_LANGUAGE;
};

#endif

} // End of namespace Scumm

#endif