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
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Change Log:
* $Log$
* Revision 1.3 2001/10/09 18:35:02 strigeus
* fixed object parent bug
* fixed some signed/unsigned comparisons
*
* Revision 1.2 2001/10/09 17:38:20 strigeus
* Autodetection of endianness.
*
* Revision 1.1.1.1 2001/10/09 14:30:12 strigeus
* initial revision
*
*/
#include "scummsys.h"
#define SWAP(a,b) do{int tmp=a; a=b; b=tmp; } while(0)
#define BYPASS_COPY_PROT
#define DUMP_SCRIPTS
struct Scumm;
struct Actor;
typedef void (Scumm::*OpcodeProc)();
#pragma START_PACK_STRUCTS
struct Point {
int x,y;
};
struct AdjustBoxResult {
int16 x,y;
uint16 dist;
};
#define SIZEOF_BOX 20
struct Box { /* file format */
int16 ulx,uly;
int16 urx,ury;
int16 llx,lly;
int16 lrx,lry;
byte mask;
byte flags;
uint16 scale;
};
struct VerbSlot {
int16 x,y;
int16 right, bottom;
int16 oldleft, oldtop, oldright,oldbottom;
uint8 verbid;
uint8 color,hicolor,dimcolor,bkcolor,type;
uint8 charset_nr,curmode;
uint8 saveid;
uint8 key,center;
uint8 field_1B;
uint16 imgindex;
};
struct VirtScreen {
uint16 unk1;
uint16 topline;
uint16 width,height;
uint16 size;
byte alloctwobuffers;
byte fourlinesextra;
uint16 xstart;
byte tdirty[40];
byte bdirty[40];
};
struct ActorWalkData {
int16 destx,desty;
byte destbox;
byte destdir;
byte curbox;
byte field_7;
int16 x,y,newx,newy;
int32 XYFactor, YXFactor;
uint16 xfrac,yfrac;
};
struct CostumeData {
uint16 hdr;
uint16 animCounter1;
byte animCounter2;
byte x_1;
uint16 a[16], b[16], c[16], d[16];
};
struct MouseCursor {
int8 hotspot_x, hotspot_y;
byte colors[4];
byte data[32];
};
struct ScriptSlot {
uint32 offs;
int32 delay;
uint16 number;
byte status;
byte type;
byte unk1,unk2,freezeCount,didexec;
byte cutsceneOverride;
byte unk5;
};
struct NestedScript {
uint16 number;
uint8 type;
uint8 slot;
};
struct ObjectData {
uint32 offs_obim_to_room;
uint32 offs_obcd_to_room;
uint16 cdhd_10, cdhd_12;
uint16 obj_nr;
byte x_pos;
byte y_pos;
byte numstrips;
byte height;
byte actordir;
byte parentstate;
byte parent;
byte ownerstate;
byte fl_object_index;
byte unk_3;
};
struct RoomHeader {
uint32 tag, size;
uint16 width,height;
uint16 numObjects;
};
struct CodeHeader { /* file format */
uint32 id;
uint32 size;
uint16 obj_id;
byte x,y,w,h;
byte flags;
byte unk1;
uint16 unk2;
uint16 unk3;
byte unk4;
};
struct ImageHeader { /* file format */
uint32 id;
uint32 size;
uint16 obj_id;
};
struct PathNode {
uint index;
struct PathNode *left, *right;
};
struct PathVertex {
PathNode *left;
PathNode *right;
};
#pragma END_PACK_STRUCTS
enum ScummVars {
VAR_UNK_ACTOR = 1,
VAR_WALKTO_OBJ = 38,
VAR_OVERRIDE = 5,
VAR_NUM_ACTOR = 8,
VAR_OBJECT_LO = 15,
VAR_OBJECT_HI = 16,
VAR_CURRENTDRIVE = 10,
VAR_TALK_ACTOR = 25,
VAR_DEBUGMODE = 39,
VAR_VERSION = 75,
VAR_FIXEDDISK = 51,
VAR_CURSORSTATE = 52,
VAR_USERPUT = 53,
VAR_SOUNDCARD = 48,
VAR_VIDEOMODE = 49,
VAR_HEAPSPACE = 40,
VAR_MOUSEPRESENT = 67,
VAR_SOUNDPARAM = 64,
VAR_SOUNDPARAM2 = 65,
VAR_SOUNDPARAM3 = 66,
VAR_GAME_LOADED = 71,
VAR_VIRT_MOUSE_X = 20,
VAR_VIRT_MOUSE_Y = 21,
VAR_PERFORMANCE_1 = 68,
VAR_PERFORMANCE_2 = 69,
VAR_ROOM_FLAG = 70,
VAR_HAVE_MSG = 3,
VAR_ENTRY_SCRIPT = 28,
VAR_ENTRY_SCRIPT2 = 29,
VAR_EXIT_SCRIPT = 30,
VAR_EXIT_SCRIPT2 = 31,
VAR_VERB_SCRIPT = 32,
VAR_SENTENCE_SCRIPT = 33,
VAR_LAST_SOUND = 23,
VAR_HOOK_SCRIPT = 34,
VAR_CUTSCENE_START_SCRIPT = 35,
VAR_CUTSCENE_END_SCRIPT = 36,
VAR_SCROLL_SCRIPT = 27,
VAR_CAMERA_MIN = 17,
VAR_CAMERA_MAX = 18,
VAR_CAMERA_FAST = 26,
VAR_CAMERA_CUR_POS = 2,
VAR_NEW_ROOM = 72,
VAR_ROOM = 4,
VAR_ROOM_RESOURCE = 22,
VAR_MOUSE_X = 44,
VAR_MOUSE_Y = 45,
VAR_TIMER = 46,
VAR_TIMER_NEXT = 19,
VAR_TMR_1 = 11,
VAR_TMR_2 = 12,
VAR_TMR_3 = 13,
VAR_TMR_4 = 47,
VAR_DRAWFLAGS = 9,
VAR_SOUNDRESULT = 56,
VAR_PLAYBACKTIMER = 19,
VAR_TALK_STRING_Y = 54,
VAR_CHARFLAG = 60,
VAR_CHARINC = 37,
VAR_RESTART_KEY = 42,
VAR_PAUSE_KEY = 43,
VAR_CUTSCENEEXIT_KEY = 24,
VAR_TALKSTOP_KEY = 57,
VAR_SAVELOADDIALOG_KEY = 50,
};
#define _maxRooms res.num[1]
#define _maxScripts res.num[2]
#define _maxCostumes res.num[3]
#define _maxInventoryItems res.num[5]
#define _maxCharsets res.num[6]
#define _maxStrings res.num[7]
#define _maxVerbs res.num[8]
#define _maxActorNames res.num[9]
#define _maxBuffer res.num[10]
#define _maxScaleTable res.num[11]
#define _maxTemp res.num[12]
#define _maxFLObject res.num[13]
#define _maxMatrixes res.num[14]
#define _maxBoxes res.num[15]
#define _baseRooms res.address[1]
#define _baseScripts res.address[2]
#define _baseInventoryItems res.address[5]
#define _baseFLObject res.address[13]
#define _roomFileOffsets res.roomoffs[1]
struct CharsetRenderer {
Scumm *_vm;
int _top;
int _drawTop;
int _left, _left2;
byte _center;
int _right;
byte _color;
bool _hasMask;
int _strLeft, _strRight, _strTop, _strBottom;
int _mask_bottom, _mask_right, _mask_top, _mask_left;
byte _curId;
byte _bufPos;
byte _unk12,_disableOffsX;
byte *_ptr;
byte _unk2, _bpp;
byte _invNumBits;
uint32 _charOffs;
byte *_charPtr;
int _width, _height;
int _offsX,_offsY;
byte _bitMask, _revBitMask;
int _bottom;
int _virtScreenHeight;
byte _ignoreCharsetMask;
byte *_bg_ptr, *_where_to_draw_ptr;
byte *_mask_ptr;
byte _colorMap[16];
byte _buffer[256];
void drawBits();
void printChar(int chr);
int getStringWidth(int a, byte *str, int pos);
void addLinebreaks(int a, byte *str, int pos, int maxwidth);
};
struct CostumeRenderer {
Scumm *_vm;
byte *_ptr;
byte _numColors;
byte *_dataptr;
byte *_frameptr;
byte *_srcptr;
byte *_where_to_draw_ptr, *_bg_ptr, *_mask_ptr, *_mask_ptr_dest;
int _actorX, _actorY;
byte _zbuf;
uint _scaleX, _scaleY;
int _xmove, _ymove;
bool _mirror;
byte _maskval;
byte _shrval;
byte _width2;
int _width;
byte _height2;
int _height;
int _xpos, _ypos;
int _scaleIndexXStep;
int _scaleIndexYStep;
byte _scaleIndexX; /* must wrap at 256*/
byte _scaleIndexY, _scaleIndexYTop;
int _left,_right;
int _dir2;
int _top,_bottom;
int _ypostop;
uint _vscreenheight;
int _ypitch;
byte _docontinue;
int _imgbufoffs;
byte _repcolor;
byte _replen;
byte _palette[32];
byte _transEffect[0x100];
void proc6();
void proc5();
void proc4();
void proc3();
void proc2();
void proc1();
byte mainRoutine(Actor *a, int slot, int frame);
void ignorePakCols(int num);
void loadCostume(int id);
byte drawOneSlot(Actor *a, int slot);
byte drawCostume(Actor *a);
byte animateOneSlot(CostumeData *cd, int slot);
byte animate(CostumeData *cd);
};
struct Actor {
int x,y,top,bottom;
int elevation;
uint width;
byte number;
byte facing;
byte costume;
byte room;
byte talkColor;
byte scalex,scaley;
byte charset,sound;
byte newDirection;
byte moving;
byte ignoreBoxes;
byte neverZClip;
byte initFrame,walkFrame,standFrame,talkFrame1,talkFrame2;
bool needRedraw, needBgReset,costumeNeedsInit,visible;
uint speedx,speedy;
byte data8; /* unused */
byte animIndex;
byte walkbox;
byte mask;
byte animProgress, animSpeed;
ActorWalkData walkdata;
CostumeData cost;
byte palette[32];
};
struct CameraData {
int16 _destPos, _curPos, _lastPos;
int16 _leftTrigger, _rightTrigger;
byte _follows, _mode;
uint16 _movingToActor;
};
struct Scumm {
int _lastLoadedRoom;
int _roomResource;
byte _encbyte;
void *_fileHandle;
char *_exe_name;
bool _dynamicRoomOffsets;
byte _resFilePathId;
char *_resFilePrefix;
char *_resFilePath;
int _keyPressed;
uint8 *_roomFileIndexes;
byte *_objectFlagTable;
uint32 *_classData;
byte _numGlobalScriptsUsed;
uint16 _maxNrObjects;
uint16 _numZBuffer;
uint32 _randSeed1;
uint32 _randSeed2;
uint16 dseg_3A76;
uint16 _defaultTalkDelay;
uint16 _lightsValueA,_lightsValueB;
byte _haveMsg;
byte _newEffect;
uint16 _fullRedraw;
uint16 dseg_3DB6;
uint16 dseg_2456; /* lastDrawnRoom */
uint16 dseg_4E8A;
uint16 _soundParam,_soundParam2,_soundParam3;
uint16 dseg_4F8C;
byte _switchRoomEffect2, _switchRoomEffect;
uint16 dseg_4AC2;
uint16 dseg_4F8A;
uint16 _drawBmpX;
uint16 dseg_719E;
uint16 _drawBmpY;
uint16 dseg_4174;
byte dseg_4E3C;
uint16 _lastXstart;
uint16 dseg_4EA0;
bool _keepText;
int16 _talkDelay;
int16 _shakeMode;
int16 _virtual_mouse_x, _virtual_mouse_y;
byte _charsetColor;
uint32 _localScriptList[0x39];
uint16 _inventory[0x50];
uint16 _debugMode;
byte *_messagePtr;
byte _numNestedScripts;
byte _unkTabIndex;
byte _currentScript;
byte _currentRoom;
byte _numObjectsInRoom;
byte _actorToPrintStrFor;
int16 _screenStartStrip;
int16 _screenEndStrip;
int16 _scummTimer;
byte _playBackFile;
byte _fastMode;
uint16 _completeScreenRedraw;
byte _saveLoadFlag;
int8 _userPut;
int8 _cursorState;
uint16 _mouseButStat;
byte _leftBtnPressed, _rightBtnPressed;
int _numInMsgStack;
VerbSlot verbs[102];
VirtScreen virtscr[4];
uint32 _ENCD_offs, _EXCD_offs;
uint32 _CLUT_offs, _EPAL_offs;
int _drawObjectQueNr;
byte _drawObjectQue[0xC8];
uint16 _currentDrive;
uint16 _soundCardType;
uint16 _videoMode;
uint16 _heapSpace;
byte _mousePresent;
int16 _palManipStart;
int16 _palManipEnd;
int16 _palManipCounter;
struct {
byte mode[16];
uint16 num[16];
uint32 tags[16];
const char *name[16];
byte **address[16];
byte *flags[16];
byte *roomno[16];
uint32 *roomoffs[16];
} res;
struct {
int16 vars[801];
byte bitvars[256];
uint16 scriptoffs[180];
uint16 inventory[80];
uint32 cutScenePtr[5];
byte cutSceneScript[5];
int16 cutSceneData[5];
int16 cutSceneScriptIndex;
byte cutSceneStackPointer;
ScriptSlot slot[20];
NestedScript nest[15];
int16 localvar[20*17];
} vm;
struct {
int16 x,y;
} mouse;
struct {
int16 x[6];
int16 y[6];
int16 center[6];
int16 overhead[6];
int16 right[6];
int16 color[6];
int16 charset[6];
} textslot;
struct {
byte *readPtr;
uint16 readOffs;
uint16 drawY;
uint16 drawHeight;
uint16 drawWidth;
uint16 draw8xPos;
uint16 unk3;
int16 virtScreen;
uint16 drawBottom;
uint16 drawTop;
int8 unk4;
byte numLinesToProcess;
byte tempNumLines;
byte currentX;
byte hotspot_x;
byte hotspot_y;
int16 drawMouseX;
int16 drawMouseY;
byte currentCursor;
byte mouseColors[4];
byte mouseColor;
byte mouseClipMask1, mouseClipMask2, mouseClipMask3;
byte mouseColorIndex;
byte mouseMask[0x200];
byte *mouseMaskPtr;
byte *smap_ptr;
byte *bg_ptr;
byte *where_to_draw_ptr;
byte *mask_ptr;
byte *mask_ptr_dest;
byte *z_plane_ptr;
byte decomp_shr, decomp_mask;
byte transparency;
uint16 vertStripNextInc;
byte *backupIsWhere;
byte mouseBackup[16*24];
} gdi;
Actor actor[13];
uint16 actorDrawBits[160];
struct {
int upperLeftX;
int upperRightX;
int lowerLeftX;
int lowerRightX;
int upperLeftY;
int upperRightY;
int lowerLeftY;
int lowerRightY;
} box;
CharsetRenderer charset;
byte _charsetData[10][16];
byte _resourceMapper[128];
uint16 _resIndexToLoad, _resTypeToLoad;
byte **_lastCodePtr;
byte _dir;
int _numSoundTags;
byte *_soundTagTable;
int16 _bootParam;
uint32 _fileOffset;
byte _fileReadFailed;
byte _fileMode;
uint32 _whereInResToRead;
byte *_scriptPointer, *_scriptOrgPointer;
byte *_scriptPointerStart;
byte _opcode;
int _xPos, _yPos;
CameraData camera;
int _resultVarNumber;
uint16 _imgBufOffs[4];
byte _sentenceIndex;
byte _sentenceTab[6];
byte _sentenceTab2[6];
uint16 _sentenceTab3[6];
uint16 _sentenceTab4[6];
byte _sentenceTab5[6];
uint16 _stringOverhead[6];
uint16 _stringCenter[6];
uint16 _stringRight[6];
uint16 _stringColor[6];
int16 _stringXpos[6];
int16 _stringYpos[6];
uint16 _stringCharset[6];
int16 _stringXpos2[6];
int16 _stringYpos2[6];
CostumeRenderer cost;
ObjectData objs[184];
int16 _soundQuePos;
int16 _soundQue[0x100];
byte _soundQue2Pos;
byte _soundQue2[10];
int16 _vararg_temp_pos[16];
int16 _curExecScript;
int _scrWidthIn8Unit;
int _scrHeight;
uint32 _IM00_offs;
int _colorsInPalette;
byte _currentPalette[0x300];
int _palDirtyMin, _palDirtyMax;
byte _saveLoadData;
uint16 _colorCycleDelays[17];
uint16 _colorCycleCounter[17];
uint16 _colorCycleFlags[17];
byte _colorCycleStart[17];
byte _colorCycleEnd[17];
byte dseg_4E3B;
uint32 _findResSize, _findResHeaderSize;
byte *_findResPos;
uint32 _findResSize2, _findResHeaderSize2;
byte *_findResPos2;
bool _BgNeedsRedraw;
int _stringXPos[4], _stringYPos[4];
int16 _localParamList[16];
uint16 _verbMouseOver;
int16 _foundPathX;
int16 _foundPathY;
uint16 _onlyActorFlags;
uint16 _lastKeyHit;
int _scummStackPos;
int16 _scummStack[0x15];
int _maxBoxVertexHeap;
byte *_boxMatrixPtr4, *_boxMatrixPtr1, *_boxMatrixPtr3;
int _boxPathVertexHeapIndex;
int _boxMatrixItem;
/* all these can be made local */
byte *_msgPtrToAdd;
void openRoom(int room);
void deleteRoomOffsets();
void readRoomsOffsets();
void askForDisk();
void readIndexFile(int i);
bool openResourceFile(const char *filename);
void fileClose(void *file);
void *fileOpen(const char *filename, int mode);
void fileSeek(void *file, long offs, int whence);
void fileRead(void *handle, void *ptr, uint32 size);
bool fileEof(void *handle);
int fileReadByte();
uint32 fileReadDwordLE();
uint32 fileReadDwordBE();
#if defined(SCUMM_LITTLE_ENDIAN)
uint32 fileReadDword() { return fileReadDwordLE(); }
#elif defined(SCUMM_BIG_ENDIAN)
uint32 fileReadDword() { return fileReadDwordBE(); }
#endif
uint fileReadWordLE();
uint fileReadWordBE();
byte *alloc(int size);
void free(void *mem);
void readResTypeList(int id, uint32 tag, const char *name);
void allocResTypeData(int id, uint32 tag, int num, const char *name, int mode);
void initThings();
void initVideoMode();
void initKbdAndMouse();
void detectSound();
void initRandSeeds();
uint getRandomNumber(uint max);
void loadCharset(int i);
void nukeCharset(int i);
void initScreens(int a, int b, int w, int h);
void setShake(int mode);
void setCursor(int cursor);
void clearDrawObjectQueue();
byte *createResource(int type, int index, uint32 size);
void initScummVars();
void getGraphicsPerformance();
void nukeResource(int type, int i);
byte *getResourceAddress(int type, int i);
void ensureResourceLoaded(int type, int i);
int loadResource(int type, int i);
int getResourceRoomNr(int type, int index);
int readSoundResource(int type, int index);
void setResourceFlags(int type, int index, byte flag);
void validateResource(const char *str, int type, int index);
void initVirtScreen(int slot, int top, int height, bool twobufs, bool fourextra);
void setDirtyRange(int slot, int a, int height);
void unkVirtScreen2();
void updateDirtyScreen(int slot);
void unkVirtScreen4(int a);
void unkVirtScreen5(int a);
void removeMouseCursor();
void showMouseCursor();
void drawStripToScreen();
void restoreMouse();
void initActor(Actor *a, int mode);
bool checkFixedDisk();
void setActorWalkSpeed(Actor *a, uint speed1, uint speed2);
int calcMovementFactor(Actor *a, int newx, int newy);
int actorWalkStep(Actor *a);
int getProgrDirChange(Actor *a, int mode);
bool checkXYInBoxBounds(int box, int x, int y);
void setupActorScale(Actor *a);
void checkRange(int max, int min, int no, const char *str);
bool fileReadFailed(void *handle);
void clearFileReadFailed(void *handle);
bool getClass(int obj, int cls);
void putClass(int obj, int cls, bool set);
int getState(int obj);
void putState(int obj, int state);
int getOwner(int obj);
void putOwner(int obj, int owner);
void main();
uint distanceFromPt(int x, int y, int ptx, int pty);
Point closestPtOnLine(int ulx, int uly, int llx, int lly, int x, int y);
bool getSideOfLine(int x1,int y1, int x2, int y2, int x, int y, int box);
void getBoxCoordinates(int box);
byte getMaskFromBox(int box);
Box *getBoxBaseAddr(int box);
byte getBoxFlags(int box);
int getBoxScale(int box);
byte getNumBoxes();
byte *getBoxMatrixBaseAddr();
void startAnimActor(Actor *a, int frame, byte direction);
void initActorCostumeData(Actor *a);
void fixActorDirection(Actor *a, byte direction);
void decodeCostData(Actor *a, int frame, uint mask);
void scummInit();
void scummMain();
void runScript(int script, int a, int b, int16 *lvarptr);
void stopScriptNr(int script);
int getScriptSlot();
void runScriptNested(int script);
void updateScriptPtr();
void getScriptBaseAddress();
void getScriptEntryPoint();
void executeScript();
byte fetchScriptByte();
int fetchScriptWord();
void ignoreScriptWord();
void ignoreScriptByte();
int getVarOrDirectWord(byte mask);
int getVarOrDirectByte(byte mask);
int readVar(uint var);
void getResultPos();
void setResult(int result);
int getObjectIndex(int object);
void o_actorFollowCamera();
void o_actorFromPos();
void o_actorSet();
void o_actorSetClass();
void o_add();
void o_and();
void o_animateActor();
void o_badOpcode();
void o_breakHere();
void o_chainScript();
void o_cursorCommand();
void o_cutscene();
void o_debug();
void o_decrement();
void o_delay();
void o_delayVariable();
void o_divide();
void o_doSentence();
void o_drawBox();
void o_drawObject();
void o_dummy();
void o_endCutscene();
void o_equalZero();
void o_expression();
void o_faceActor();
void o_findInventory();
void o_findObject();
void o_freezeScripts();
void o_getActorCostume();
void o_getActorElevation();
void o_getActorFacing();
void o_getActorMoving();
void o_getActorRoom();
void o_getActorScale();
void o_getActorWalkBox();
void o_getActorWidth();
void o_getActorX();
void o_getActorY();
void o_getAnimCounter();
void o_getClosestObjActor();
void o_getDist();
void o_getInventoryCount();
void o_getObjectOwner();
void o_getObjectState();
void o_getRandomNr();
void o_getScriptRunning();
void o_getVerbEntrypoint();
void o_ifClassOfIs();
void o_increment();
void o_isActorInBox();
void o_isEqual();
void o_isGreater();
void o_isGreaterEqual();
void o_isLess();
void o_isNotEqual();
void o_isSoundRunning();
void o_jumpRelative();
void o_lessOrEqual();
void o_lights();
void o_loadRoom();
void o_loadRoomWithEgo();
void o_matrixOps();
void o_move();
void o_multiply();
void o_notEqualZero();
void o_or();
void o_overRide();
void o_panCameraTo();
void o_pickupObject();
void o_print();
void o_printEgo();
void o_pseudoRoom();
void o_putActor();
void o_putActorAtObject();
void o_putActorInRoom();
void o_quitPauseRestart();
void o_resourceRoutines();
void o_roomOps();
void o_saveRestoreVerbs();
void o_setCameraAt();
void o_setObjectName();
void o_setOwnerOf();
void o_setState();
void o_setVarRange();
void o_soundKludge();
void o_startMusic();
void o_startObject();
void o_startScript();
void o_startSound();
void o_stopMusic();
void o_stopObjectCode();
void o_stopObjectScript();
void o_stopScript();
void o_stopSound();
void o_stringOps();
void o_subtract();
void o_verbOps();
void o_wait();
void o_walkActorTo();
void o_walkActorToActor();
void o_walkActorToObject();
void stopObjectCode();
void stopObjectScript(int script);
void putActor(Actor *a, int x, int y, byte room);
void clearMsgQueue();
void adjustActorPos(Actor *a);
void hideActor(Actor *a);
void showActor(Actor *a);
void showActors();
void turnToDirection(Actor *a, int newdir);
int whereIsObject(int object);
int getObjectOrActorXY(int object);
void addSoundToQueue(int sound);
void addSoundToQueue2(int sound);
bool isScriptLoaded(int script);
int getActorXYPos(Actor *a);
void getObjectXYPos(int object);
AdjustBoxResult adjustXYToBeInBox(Actor *a, int x, int y);
int getWordVararg(int16 *ptr);
int getObjActToObjActDist(int a, int b);
void unkSoundProc22();
bool inBoxQuickReject(int box, int x, int y, int threshold);
AdjustBoxResult getClosestPtOnBox(int box, int x, int y);
void setCameraAt(int dest);
void stopTalk();
void restoreCharsetBg();
void setCameraFollows(Actor *a);
void runHook(int i);
void startScene(int room, Actor *a, int b);
void freezeScripts(int scr);
void unfreezeScripts();
void runAllScripts();
int findObject(int x, int y);
void stopCycle(int i);
void killScriptsAndResources();
void runExitScript();
void runEntryScript();
void unkResourceProc();
void initRoomSubBlocks();
void loadRoomObjects();
void setPaletteFromRes();
void initCycl(byte *ptr);
void initBGBuffers();
void setDirtyColors(int min, int max);
byte *findResource(uint32 tag, byte *searchin);
byte *findResource2(uint32 tag, byte *searchin);
void setScaleItem(int slot, int a, int b, int c, int d);
void cyclePalette();
void moveMemInPalRes(int start, int end, byte direction);
void redrawBGAreas();
void drawRoomObjects(int arg);
void redrawBGStrip(int start, int num);
void drawObject(int obj, int arg);
void drawBmp(byte *ptr, int a, int b, int c, const char *str, int objnr);
void decompressBitmap();
int hasCharsetMask(int x, int y, int x2, int y2);
void draw8ColWithMasking();
void clear8ColWithMasking();
void clear8Col();
void decompressMaskImgOr();
void decompressMaskImg();
void GDI_UnkDecode1();
void GDI_UnkDecode2();
void GDI_UnkDecode3();
void GDI_UnkDecode4();
void GDI_UnkDecode5();
void GDI_UnkDecode6();
void GDI_UnkDecode7();
void restoreBG(int left, int top, int right, int bottom);
void updateDirtyRect(int virt, int left, int right, int top, int bottom, uint16 dirtybits);
int findVirtScreen(int y);
void unkScreenEffect6();
void unkScreenEffect5(int a);
void playSound(int sound);
void decreaseScriptDelay(int amount);
void processKbd();
void clearUpperMask();
void redrawVerbs();
void checkExecVerbs();
void checkAndRunVar33();
void CHARSET_1();
void walkActors();
void moveCamera();
void fixObjectFlags();
void clear_fullRedraw();
void palManipulate();
void screenEffect(int effect);
void clearClickedStatus();
void verbMouseOver(int verb);
int checkMouseOver(int x, int y);
void playActorSounds();
void processDrawQue();
void setActorRedrawFlags();
void resetActorBgs();
void processActors();
void drawVerb(int verb, int mode);
void runInputScript(int a, int cmd, int mode);
void cameraMoved();
void walkActor(Actor *a);
int checkKeyHit();
int getPathToDestBox(int from, int to);
int findPathTowards(Actor *a, int box, int box2, int box3);
void setActorCostPalette(Actor *a);
void drawActorCostume(Actor *a);
void actorAnimate(Actor *a);
int getActorFromPos(int x, int y);
void restoreVerbBG(int verb);
void drawString(int a);
void drawVerbBitmap(int vrb, int x, int y);
void setActorCostume(Actor *a, int c);
void loadPtrToResource(int type, int i, byte *ptr);
void stackPush(int a);
int stackPop();
void walkActorTo(Actor *a, int x, int y, int direction);
void setCursorImg(int cursor, int img);
void setCursorHotspot(int cursor, int x, int y);
void initCharset(int charset);
void addObjectToDrawQue(int object);
int getVerbEntrypoint(int obj, int entry);
int unkSoundProc23(int a);
void startWalkActor(Actor *a, int x, int y, int dir);
void setBoxFlags(int box, int val);
void setBoxScale(int box, int b);
void createBoxMatrix();
void addObjectToInventory(int obj, int room);
void removeObjectFromRoom(int obj);
void decodeParseString();
void pauseGame(int i);
void shutDown(int i);
void lock(int type, int i);
void unlock(int type, int i);
void heapClear(int mode);
void unkHeapProc2(int a, int b);
void unkResProc(int a, int b);
void setPalColor(int index, int r, int g, int b);
void unkRoomFunc2(int a, int b, int c, int d, int e);
void unkRoomFunc3(int a, int b, int c, int d, int e);
void unkRoomFunc4(int a, int b, int c, int d, int e);
int getVerbSlot(int id, int mode);
void killVerb(int slot);
byte *getObjectAddress(int obj);
byte *getObjOrActorName(int obj);
void clearOwnerOf(int obj);
void runVERBCode(int script, int entry, int a, int b, int16 *vars);
void unkSoundProc1(int a);
void setVerbObject(int room, int object, int verb);
void unkMessage1();
void unkMessage2();
void actorTalk();
byte *addMessageToStack(byte *msg);
void unkAddMsgToStack2(int var);
void unkAddMsgToStack3(int var);
void unkAddMsgToStack4(int var);
void unkAddMsgToStack5(int var);
byte *getActorName(Actor *a);
uint32 getOBCDOffs(int object);
byte isMaskActiveAt(int l, int t, int r, int b, byte *mem);
int getInventorySlot();
int getKeyInput(int a);
void convertKeysToClicks();
OpcodeProc getOpcode(int i);
void drawBox(int x, int y, int x2, int y2, int color);
void drawMouse();
void GDI_drawMouse();
void GDI_removeMouse();
void dumpResource(char *tag, int index, byte *ptr);
FILE *_saveLoadStream;
bool _saveOrLoad;
bool saveState(const char *filename);
bool loadState(const char *filename);
void saveOrLoad(FILE *inout, bool mode);
void saveLoadBytes(void *b, int len);
Actor *derefActor(int id) { return &actor[id]; }
Actor *derefActorSafe(int id, const char *errmsg);
Actor *getFirstActor() { return actor; }
void setupCostumeRenderer(CostumeRenderer *c, Actor *a);
PathVertex *unkMatrixProc1(PathVertex *vtx, PathNode *node);
PathNode *unkMatrixProc2(PathVertex *vtx, int i);
bool areBoxesNeighbours(int i, int j);
void addToBoxMatrix(byte b);
PathVertex *addPathVertex();
void *addToBoxVertexHeap(int size);
};
void waitForTimer(Scumm *s);
void outputdisplay2(Scumm *s, int disp);
extern const byte revBitMask[8];
void blitToScreen(Scumm *s, byte *src, int x, int y, int w, int h);
void NORETURN CDECL error(const char *s, ...);
void CDECL warning(const char *s, ...);
void CDECL debug(int level, const char *s, ...);
void checkHeap();
void updateScreen(Scumm *s);
|