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
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
|
/* 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.
*
*/
#include "sci/sci.h"
#include "sci/engine/kernel.h"
#include "sci/engine/script.h"
#include "sci/engine/state.h"
#include "sci/engine/features.h"
#include "sci/engine/script_patches.h"
#include "common/util.h"
namespace Sci {
// IMPORTANT:
// every patch entry needs the following:
// - script number (pretty obvious)
//
// - apply count
// specifies the number of times a patch is supposed to get applied.
// Most of the time, it should be 1.
//
// - magicDWORD + magicOffset
// please ALWAYS put 0 for those two. Both will get filled out at runtime by the patcher.
//
// - signature data (is used to identify certain script code, that needs patching)
// every signature needs to contain SIG_MAGICDWORD once.
// The following 4 bytes after SIG_MAGICDWORD - which don't have to be fixed, you may for example
// use SIG_SELECTOR16, will get used to quickly search for a partly match before verifying that
// the whole signature actually matches. If it's not included, the script patcher will error() out
// right when loading up the game.
// If selector-IDs are included, please use SIG_SELECTOR16 + SIG_SELECTOR8 [1]. Simply
// specify the selector that way, so that the patcher will search for the specific
// selector instead of looking for a hardcoded value. Selectors may not be the same
// between game versions.
// For UINT16s either use SIG_UINT16 or SIG_SELECTOR16.
// Macintosh versions of SCI games are using BE ordering instead of LE since SCI1.1 for UINT16s in scripts
// By using those 2 commands, it's possible to make patches work for PC and Mac versions of the same game.
// You may also skip bytes by using the SIG_ADDTOOFFSET command
// Every signature data needs to get terminated using SIGNATURE_END
//
// - patch data (is used for actually patching scripts)
// When a match is found, the patch data will get applied.
// Patch data is similar to signature data. Just use PATCH_SELECTOR16 + PATCH_SELECTOR8 [1]
// for patching in selectors.
// There are also patch specific commands.
// Those are PATCH_GETORIGINALBYTE, which fetches a byte from the original script
// and PATCH_GETORIGINALBYTEADJUST, which does the same but gets a second value
// from the uint16 array and uses that value to adjust the original byte.
// Every patch data needs to get terminated using PATCH_END
//
// - and please always add a comment about why the patch was done and what's causing issues.
// If possible make sure, that the patch works on localized (or just different) game versions
// as well in case those need patching too.
//
// [1] - selectors need to get specified in selectorTable[] and ScriptPatcherSelectors-enum
// before they can get used using the SIG_SELECTORx and PATCH_SELECTORx commands.
// You have to use the exact same order in both the table and the enum, otherwise
// it won't work.
static const char *const selectorNameTable[] = {
"cycles", // system selector
"seconds", // system selector
"init", // system selector
"dispose", // system selector
"new", // system selector
"curEvent", // system selector
"disable", // system selector
"doit", // system selector
"show", // system selector
"x", // system selector
"cel", // system selector
"setMotion", // system selector
"overlay", // system selector
"deskSarg", // Gabriel Knight
"localize", // Freddy Pharkas
"put", // Police Quest 1 VGA
"say", // Quest For Glory 1 VGA
"contains", // Quest For Glory 2
"solvePuzzle", // Quest For Glory 3
"timesShownID", // Space Quest 1 VGA
"startText", // King's Quest 6 CD / Laura Bow 2 CD for audio+text support
"startAudio", // King's Quest 6 CD / Laura Bow 2 CD for audio+text support
"modNum", // King's Quest 6 CD / Laura Bow 2 CD for audio+text support
"cycler", // Space Quest 4 / system selector
"setLoop", // Laura Bow 1 Colonel's Bequest
NULL
};
enum ScriptPatcherSelectors {
SELECTOR_cycles = 0,
SELECTOR_seconds,
SELECTOR_init,
SELECTOR_dispose,
SELECTOR_new,
SELECTOR_curEvent,
SELECTOR_disable,
SELECTOR_doit,
SELECTOR_show,
SELECTOR_x,
SELECTOR_cel,
SELECTOR_setMotion,
SELECTOR_overlay,
SELECTOR_deskSarg,
SELECTOR_localize,
SELECTOR_put,
SELECTOR_say,
SELECTOR_contains,
SELECTOR_solvePuzzle,
SELECTOR_timesShownID,
SELECTOR_startText,
SELECTOR_startAudio,
SELECTOR_modNum,
SELECTOR_cycler,
SELECTOR_setLoop
};
// ===========================================================================
// Conquests of Camelot
// At the bazaar in Jerusalem, it's possible to see a girl taking a shower.
// If you get too close, you get warned by the father - if you don't get away,
// he will kill you.
// Instead of walking there manually, it's also possible to enter "look window"
// and ego will automatically walk to the window. It seems that this is something
// that wasn't properly implemented, because instead of getting killed, you will
// get an "Oops" message in Sierra SCI.
//
// This is caused by peepingTom in script 169 not getting properly initialized.
// peepingTom calls the object behind global b9h. This global variable is
// properly initialized, when walking there manually (method fawaz::doit).
// When you instead walk there automatically (method fawaz::handleEvent), that
// global isn't initialized, which then results in the Oops-message in Sierra SCI
// and an error message in ScummVM/SCI.
//
// We fix the script by patching in a jump to the proper code inside fawaz::doit.
// Responsible method: fawaz::handleEvent
// Fixes bug: #6402
static const uint16 camelotSignaturePeepingTom[] = {
0x72, SIG_MAGICDWORD, SIG_UINT16(0x077e), // lofsa fawaz <-- start of proper initializion code
0xa1, 0xb9, // sag b9h
SIG_ADDTOOFFSET(+571), // skip 571 bytes
0x39, 0x7a, // pushi 7a <-- initialization code when walking automatically
0x78, // push1
0x7a, // push2
0x38, SIG_UINT16(0x00a9), // + 0xa9, 0x00, // pushi 00a9 - script 169
0x78, // push1
0x43, 0x02, 0x04, // call kScriptID
0x36, // push
0x81, 0x00, // lag 00
0x4a, 0x06, // send 06
0x32, SIG_UINT16(0x0520), // jmp [end of fawaz::handleEvent]
SIG_END
};
static const uint16 camelotPatchPeepingTom[] = {
PATCH_ADDTOOFFSET(+576),
0x32, PATCH_UINT16(0xfdbd), // jmp to fawaz::doit / properly init peepingTom code
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry camelotSignatures[] = {
{ true, 62, "fix peepingTom Sierra bug", 1, camelotSignaturePeepingTom, camelotPatchPeepingTom },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// stayAndHelp::changeState (0) is called when ego swims to the left or right
// boundaries of room 660. Normally a textbox is supposed to get on screen
// but the call is wrong, so not only do we get an error message the script
// is also hanging because the cue won't get sent out
// This also happens in sierra sci
// Applies to at least: PC-CD
// Responsible method: stayAndHelp::changeState
// Fixes bug: #5107
static const uint16 ecoquest1SignatureStayAndHelp[] = {
0x3f, 0x01, // link 01
0x87, 0x01, // lap param[1]
0x65, 0x14, // aTop state
0x36, // push
0x3c, // dup
0x35, 0x00, // ldi 00
0x1a, // eq?
0x31, 0x1c, // bnt [next state]
0x76, // push0
0x45, 0x01, 0x00, // callb export1 from script 0 (switching control off)
SIG_MAGICDWORD,
0x38, SIG_UINT16(0x0122), // pushi 0122
0x78, // push1
0x76, // push0
0x81, 0x00, // lag global[0]
0x4a, 0x06, // send 06 - call ego::setMotion(0)
0x39, SIG_SELECTOR8(init), // pushi "init"
0x39, 0x04, // pushi 04
0x76, // push0
0x76, // push0
0x39, 0x17, // pushi 17
0x7c, // pushSelf
0x51, 0x82, // class EcoNarrator
0x4a, 0x0c, // send 0c - call EcoNarrator::init(0, 0, 23, self) (BADLY BROKEN!)
0x33, // jmp [end]
SIG_END
};
static const uint16 ecoquest1PatchStayAndHelp[] = {
0x87, 0x01, // lap param[1]
0x65, 0x14, // aTop state
0x36, // push
0x2f, 0x22, // bt [next state] (this optimization saves 6 bytes)
0x39, 0x00, // pushi 0 (wasting 1 byte here)
0x45, 0x01, 0x00, // callb export1 from script 0 (switching control off)
0x38, PATCH_UINT16(0x0122), // pushi 0122
0x78, // push1
0x76, // push0
0x81, 0x00, // lag global[0]
0x4a, 0x06, // send 06 - call ego::setMotion(0)
0x39, PATCH_SELECTOR8(init), // pushi "init"
0x39, 0x06, // pushi 06
0x39, 0x02, // pushi 02 (additional 2 bytes)
0x76, // push0
0x76, // push0
0x39, 0x17, // pushi 17
0x7c, // pushSelf
0x38, PATCH_UINT16(0x0280), // pushi 280 (additional 3 bytes)
0x51, 0x82, // class EcoNarrator
0x4a, 0x10, // send 10 - call EcoNarrator::init(2, 0, 0, 23, self, 640)
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry ecoquest1Signatures[] = {
{ true, 660, "CD: bad messagebox and freeze", 1, ecoquest1SignatureStayAndHelp, ecoquest1PatchStayAndHelp },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// doMyThing::changeState (2) is supposed to remove the initial text on the
// ecorder. This is done by reusing temp-space, that was filled on state 1.
// this worked in sierra sci just by accident. In our sci, the temp space
// is resetted every time, which means the previous text isn't available
// anymore. We have to patch the code because of that.
// Fixes bug: #4993
static const uint16 ecoquest2SignatureEcorder[] = {
0x31, 0x22, // bnt [next state]
0x39, 0x0a, // pushi 0a
0x5b, 0x04, 0x1e, // lea temp[1e]
0x36, // push
SIG_MAGICDWORD,
0x39, 0x64, // pushi 64
0x39, 0x7d, // pushi 7d
0x39, 0x32, // pushi 32
0x39, 0x66, // pushi 66
0x39, 0x17, // pushi 17
0x39, 0x69, // pushi 69
0x38, PATCH_UINT16(0x2631), // pushi 2631
0x39, 0x6a, // pushi 6a
0x39, 0x64, // pushi 64
0x43, 0x1b, 0x14, // call kDisplay
0x35, 0x0a, // ldi 0a
0x65, 0x20, // aTop ticks
0x33, // jmp [end]
SIG_ADDTOOFFSET(+1), // [skip 1 byte]
0x3c, // dup
0x35, 0x03, // ldi 03
0x1a, // eq?
0x31, // bnt [end]
SIG_END
};
static const uint16 ecoquest2PatchEcorder[] = {
0x2f, 0x02, // bt [to pushi 07]
0x3a, // toss
0x48, // ret
0x38, PATCH_UINT16(0x0007), // pushi 07 (parameter count) (waste 1 byte)
0x39, 0x0b, // push (FillBoxAny)
0x39, 0x1d, // pushi 29d
0x39, 0x73, // pushi 115d
0x39, 0x5e, // pushi 94d
0x38, PATCH_UINT16(0x00d7), // pushi 215d
0x78, // push1 (visual screen)
0x38, PATCH_UINT16(0x0017), // pushi 17 (color) (waste 1 byte)
0x43, 0x6c, 0x0e, // call kGraph
0x38, PATCH_UINT16(0x0005), // pushi 05 (parameter count) (waste 1 byte)
0x39, 0x0c, // pushi 12d (UpdateBox)
0x39, 0x1d, // pushi 29d
0x39, 0x73, // pushi 115d
0x39, 0x5e, // pushi 94d
0x38, PATCH_UINT16(0x00d7), // pushi 215d
0x43, 0x6c, 0x0a, // call kGraph
PATCH_END
};
// ===========================================================================
// Same patch as above for the ecorder introduction.
// Two workarounds are needed for this patch in workarounds.cpp (when calling
// kGraphFillBoxAny and kGraphUpdateBox), as there isn't enough space to patch
// the function otherwise.
// Fixes bug: #6467
static const uint16 ecoquest2SignatureEcorderTutorial[] = {
0x30, SIG_UINT16(0x0023), // bnt [next state]
0x39, 0x0a, // pushi 0a
0x5b, 0x04, 0x1f, // lea temp[1f]
0x36, // push
SIG_MAGICDWORD,
0x39, 0x64, // pushi 64
0x39, 0x7d, // pushi 7d
0x39, 0x32, // pushi 32
0x39, 0x66, // pushi 66
0x39, 0x17, // pushi 17
0x39, 0x69, // pushi 69
0x38, SIG_UINT16(0x2631), // pushi 2631
0x39, 0x6a, // pushi 6a
0x39, 0x64, // pushi 64
0x43, 0x1b, 0x14, // call kDisplay
0x35, 0x1e, // ldi 1e
0x65, 0x20, // aTop ticks
0x32, // jmp [end]
// 2 extra bytes, jmp offset
SIG_END
};
static const uint16 ecoquest2PatchEcorderTutorial[] = {
0x31, 0x23, // bnt [next state] (save 1 byte)
// The parameter count below should be 7, but we're out of bytes
// to patch! A workaround has been added because of this
0x78, // push1 (parameter count)
//0x39, 0x07, // pushi 07 (parameter count)
0x39, 0x0b, // push (FillBoxAny)
0x39, 0x1d, // pushi 29d
0x39, 0x73, // pushi 115d
0x39, 0x5e, // pushi 94d
0x38, PATCH_UINT16(0x00d7), // pushi 215d
0x78, // push1 (visual screen)
0x39, 0x17, // pushi 17 (color)
0x43, 0x6c, 0x0e, // call kGraph
// The parameter count below should be 5, but we're out of bytes
// to patch! A workaround has been added because of this
0x78, // push1 (parameter count)
//0x39, 0x05, // pushi 05 (parameter count)
0x39, 0x0c, // pushi 12d (UpdateBox)
0x39, 0x1d, // pushi 29d
0x39, 0x73, // pushi 115d
0x39, 0x5e, // pushi 94d
0x38, PATCH_UINT16(0x00d7), // pushi 215d
0x43, 0x6c, 0x0a, // call kGraph
// We are out of bytes to patch at this point,
// so we skip 494 (0x1EE) bytes to reuse this code:
// ldi 1e
// aTop 20
// jmp 030e (jump to end)
0x32, PATCH_UINT16(0x01ee), // skip 494 (0x1EE) bytes
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry ecoquest2Signatures[] = {
{ true, 50, "initial text not removed on ecorder", 1, ecoquest2SignatureEcorder, ecoquest2PatchEcorder },
{ true, 333, "initial text not removed on ecorder tutorial", 1, ecoquest2SignatureEcorderTutorial, ecoquest2PatchEcorderTutorial },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// EventHandler::handleEvent in Demo Quest has a bug, and it jumps to the
// wrong address when an incorrect word is typed, therefore leading to an
// infinite loop. This script bug was not apparent in SSCI, probably because
// event handling was slightly different there, so it was never discovered.
// Fixes bug: #5120
static const uint16 fanmadeSignatureInfiniteLoop[] = {
0x38, SIG_UINT16(0x004c), // pushi 004c
0x39, 0x00, // pushi 00
0x87, 0x01, // lap 01
0x4b, 0x04, // send 04
SIG_MAGICDWORD,
0x18, // not
0x30, SIG_UINT16(0x002f), // bnt 002f [06a5] --> jmp ffbc [0664] --> BUG! infinite loop
SIG_END
};
static const uint16 fanmadePatchInfiniteLoop[] = {
PATCH_ADDTOOFFSET(+10),
0x30, SIG_UINT16(0x0032), // bnt 0032 [06a8] --> pushi 004c
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry fanmadeSignatures[] = {
{ true, 999, "infinite loop on typo", 1, fanmadeSignatureInfiniteLoop, fanmadePatchInfiniteLoop },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// WORKAROUND
// Freddy Pharkas intro screen
// Sierra used inner loops for the scaling of the 2 title views.
// Those inner loops don't call kGameIsRestarting, which is why
// we do not update the screen and we also do not throttle.
//
// This patch fixes this and makes it work.
// Applies to at least: English PC-CD
// Responsible method: sTownScript::changeState(1), sTownScript::changeState(3) (script 110)
static const uint16 freddypharkasSignatureIntroScaling[] = {
0x38, SIG_UINT16(0x009b), // pushi 009b (setLoop)
0x78, // push1
PATCH_ADDTOOFFSET(1), // push0 for first code, push1 for second code
0x38, SIG_UINT16(0x0143), // pushi 0143 (setStep)
0x7a, // push2
0x39, 0x05, // pushi 05
0x3c, // dup
0x72, SIG_ADDTOOFFSET(+2), // lofsa (view)
SIG_MAGICDWORD,
0x4a, 0x1e, // send 1e
0x35, 0x0a, // ldi 0a
0xa3, 0x02, // sal local[2]
// start of inner loop
0x8b, 0x02, // lsl local[2]
SIG_ADDTOOFFSET(+43), // skip almost all of inner loop
0xa3, 0x02, // sal local[2]
0x33, 0xcf, // jmp [inner loop start]
SIG_END
};
static const uint16 freddypharkasPatchIntroScaling[] = {
// remove setLoop(), objects in heap are already prepared, saves 5 bytes
0x38, PATCH_UINT16(0x0143), // pushi 0143 (setStep)
0x7a, // push2
0x39, 0x05, // pushi 05
0x3c, // dup
0x72,
PATCH_GETORIGINALBYTE(+13),
PATCH_GETORIGINALBYTE(+14), // lofsa (view)
0x4a, 0x18, // send 18 - adjusted
0x35, 0x0a, // ldi 0a
0xa3, 0x02, // sal local[2]
// start of new inner loop
0x39, 0x00, // pushi 00
0x43, 0x2c, 0x00, // callk GameIsRestarting <-- add this so that our speed throttler is triggered
SIG_ADDTOOFFSET(+47), // skip almost all of inner loop
0x33, 0xca, // jmp [inner loop start]
PATCH_END
};
// script 0 of freddy pharkas/CD PointsSound::check waits for a signal and if
// no signal received will call kDoSound(0xD) which is a dummy in sierra sci
// and ScummVM and will use acc (which is not set by the dummy) to trigger
// sound disposal. This somewhat worked in sierra sci, because the sample
// was already playing in the sound driver. In our case we would also stop
// the sample from playing, so we patch it out
// The "score" code is already buggy and sets volume to 0 when playing
// Applies to at least: English PC-CD
// Responsible method: unknown
static const uint16 freddypharkasSignatureScoreDisposal[] = {
0x67, 0x32, // pTos 32 (selector theAudCount)
0x78, // push1
SIG_MAGICDWORD,
0x39, 0x0d, // pushi 0d
0x43, 0x75, 0x02, // call kDoAudio
0x1c, // ne?
0x31, // bnt (-> to skip disposal)
SIG_END
};
static const uint16 freddypharkasPatchScoreDisposal[] = {
0x34, PATCH_UINT16(0x0000), // ldi 0000
0x34, PATCH_UINT16(0x0000), // ldi 0000
0x34, PATCH_UINT16(0x0000), // ldi 0000
PATCH_END
};
// script 235 of freddy pharkas rm235::init and sEnterFrom500::changeState
// disable icon 7+8 of iconbar (CD only). When picking up the canister after
// placing it down, the scripts will disable all the other icons. This results
// in IconBar::disable doing endless loops even in sierra sci, because there
// is no enabled icon left. We remove disabling of icon 8 (which is help),
// this fixes the issue.
// Applies to at least: English PC-CD
// Responsible method: rm235::init and sEnterFrom500::changeState
static const uint16 freddypharkasSignatureCanisterHang[] = {
0x38, SIG_SELECTOR16(disable), // pushi disable
0x7a, // push2
SIG_MAGICDWORD,
0x39, 0x07, // pushi 07
0x39, 0x08, // pushi 08
0x81, 0x45, // lag 45
0x4a, 0x08, // send 08 - call IconBar::disable(7, 8)
SIG_END
};
static const uint16 freddypharkasPatchCanisterHang[] = {
PATCH_ADDTOOFFSET(+3),
0x78, // push1
PATCH_ADDTOOFFSET(+2),
0x33, 0x00, // ldi 00 (waste 2 bytes)
PATCH_ADDTOOFFSET(+3),
0x06, // send 06 - call IconBar::disable(7)
PATCH_END
};
// script 215 of freddy pharkas lowerLadder::doit and highLadder::doit actually
// process keyboard-presses when the ladder is on the screen in that room.
// They strangely also call kGetEvent. Because the main User::doit also calls
// kGetEvent, it's pure luck, where the event will hit. It's the same issue
// as in QfG1VGA and if you turn dos-box to max cycles, and click around for
// ego, sometimes clicks also won't get registered. Strangely it's not nearly
// as bad as in our sci, but these differences may be caused by timing.
// We just reuse the active event, thus removing the duplicate kGetEvent call.
// Applies to at least: English PC-CD, German Floppy, English Mac
// Responsible method: lowerLadder::doit and highLadder::doit
static const uint16 freddypharkasSignatureLadderEvent[] = {
0x39, SIG_MAGICDWORD,
SIG_SELECTOR8(new), // pushi new
0x76, // push0
0x38, SIG_SELECTOR16(curEvent), // pushi curEvent
0x76, // push0
0x81, 0x50, // lag global[50]
0x4a, 0x04, // send 04 - read User::curEvent
0x4a, 0x04, // send 04 - call curEvent::new
0xa5, 0x00, // sat temp[0]
0x38, SIG_SELECTOR16(localize),
0x76, // push0
0x4a, 0x04, // send 04 - call curEvent::localize
SIG_END
};
static const uint16 freddypharkasPatchLadderEvent[] = {
0x34, 0x00, 0x00, // ldi 0000 (waste 3 bytes, overwrites first 2 pushes)
PATCH_ADDTOOFFSET(+8),
0xa5, 0x00, // sat temp[0] (waste 2 bytes, overwrites 2nd send)
PATCH_ADDTOOFFSET(+2),
0x34, 0x00, 0x00, // ldi 0000
0x34, 0x00, 0x00, // ldi 0000 (waste 6 bytes, overwrites last 3 opcodes)
PATCH_END
};
// In the Macintosh version of Freddy Pharkas, kRespondsTo is broken for
// property selectors. They hacked the script to work around the issue,
// so we revert the script back to using the values of the DOS script.
// Applies to at least: English Mac
// Responsible method: unknown
static const uint16 freddypharkasSignatureMacInventory[] = {
SIG_MAGICDWORD,
0x39, 0x23, // pushi 23
0x39, 0x74, // pushi 74
0x78, // push1
0x38, SIG_UINT16(0x0174), // pushi 0174 (on mac it's actually 0x01, 0x74)
0x85, 0x15, // lat 15
SIG_END
};
static const uint16 freddypharkasPatchMacInventory[] = {
0x39, 0x02, // pushi 02 (now matches the DOS version)
PATCH_ADDTOOFFSET(+23),
0x39, 0x04, // pushi 04 (now matches the DOS version)
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry freddypharkasSignatures[] = {
{ true, 0, "CD: score early disposal", 1, freddypharkasSignatureScoreDisposal, freddypharkasPatchScoreDisposal },
{ true, 15, "Mac: broken inventory", 1, freddypharkasSignatureMacInventory, freddypharkasPatchMacInventory },
{ true, 110, "intro scaling workaround", 2, freddypharkasSignatureIntroScaling, freddypharkasPatchIntroScaling },
{ true, 235, "CD: canister pickup hang", 3, freddypharkasSignatureCanisterHang, freddypharkasPatchCanisterHang },
{ true, 320, "ladder event issue", 2, freddypharkasSignatureLadderEvent, freddypharkasPatchLadderEvent },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// daySixBeignet::changeState (4) is called when the cop goes out and sets cycles to 220.
// this is not enough time to get to the door, so we patch that to 23 seconds
// Applies to at least: English PC-CD, German PC-CD, English Mac
// Responsible method: daySixBeignet::changeState
static const uint16 gk1SignatureDay6PoliceBeignet[] = {
0x35, 0x04, // ldi 04
0x1a, // eq?
0x30, SIG_ADDTOOFFSET(+2), // bnt [next state check]
0x38, SIG_SELECTOR16(dispose), // pushi dispose
0x76, // push0
0x72, SIG_ADDTOOFFSET(+2), // lofsa deskSarg
0x4a, SIG_UINT16(0x0004), // send 04
SIG_MAGICDWORD,
0x34, SIG_UINT16(0x00dc), // ldi 220
0x65, SIG_ADDTOOFFSET(+1), // aTop cycles (1a for PC, 1c for Mac)
0x32, // jmp [end]
SIG_END
};
static const uint16 gk1PatchDay6PoliceBeignet[] = {
PATCH_ADDTOOFFSET(+16),
0x34, PATCH_UINT16(0x0017), // ldi 23
0x65, PATCH_GETORIGINALBYTEADJUST(+20, +2), // aTop seconds (1c for PC, 1e for Mac)
PATCH_END
};
// sargSleeping::changeState (8) is called when the cop falls asleep and sets cycles to 220.
// this is not enough time to get to the door, so we patch it to 42 seconds
// Applies to at least: English PC-CD, German PC-CD, English Mac
// Responsible method: sargSleeping::changeState
static const uint16 gk1SignatureDay6PoliceSleep[] = {
0x35, 0x08, // ldi 08
0x1a, // eq?
0x31, SIG_ADDTOOFFSET(+1), // bnt [next state check]
SIG_MAGICDWORD,
0x34, SIG_UINT16(0x00dc), // ldi 220
0x65, SIG_ADDTOOFFSET(+1), // aTop cycles (1a for PC, 1c for Mac)
0x32, // jmp [end]
SIG_END
};
static const uint16 gk1PatchDay6PoliceSleep[] = {
PATCH_ADDTOOFFSET(+5),
0x34, PATCH_UINT16(0x002a), // ldi 42
0x65, PATCH_GETORIGINALBYTEADJUST(+9, +2), // aTop seconds (1c for PC, 1e for Mac)
PATCH_END
};
// startOfDay5::changeState (20h) - when gabriel goes to the phone the script will hang
// Applies to at least: English PC-CD, German PC-CD, English Mac
// Responsible method: startOfDay5::changeState
static const uint16 gk1SignatureDay5PhoneFreeze[] = {
0x4a,
SIG_MAGICDWORD, SIG_UINT16(0x000c), // send 0c
0x35, 0x03, // ldi 03
0x65, SIG_ADDTOOFFSET(+1), // aTop cycles
0x32, SIG_ADDTOOFFSET(+2), // jmp [end]
0x3c, // dup
0x35, 0x21, // ldi 21
SIG_END
};
static const uint16 gk1PatchDay5PhoneFreeze[] = {
PATCH_ADDTOOFFSET(+3),
0x35, 0x06, // ldi 01
0x65, PATCH_GETORIGINALBYTEADJUST(+6, +6), // aTop ticks
PATCH_END
};
// Floppy version: Interrogation::dispose() compares an object reference
// (stored in the view selector) with a number, leading to a crash (this kind
// of comparison was not used in SCI32). The view selector is used to store
// both a view number (in some cases), and a view reference (in other cases).
// In the floppy version, the checks are in the wrong order, so there is a
// comparison between a number an an object. In the CD version, the checks are
// in the correct order, thus the comparison is correct, thus we use the code
// from the CD version in the floppy one.
// Applies to at least: English Floppy
// Responsible method: Interrogation::dispose
// TODO: Check, if English Mac is affected too and if this patch applies
static const uint16 gk1SignatureInterrogationBug[] = {
SIG_MAGICDWORD,
0x65, 0x4c, // aTop 4c
0x67, 0x50, // pTos 50
0x34, SIG_UINT16(0x2710), // ldi 2710
0x1e, // gt?
0x31, 0x08, // bnt 08 [05a0]
0x67, 0x50, // pTos 50
0x34, SIG_UINT16(0x2710), // ldi 2710
0x04, // sub
0x65, 0x50, // aTop 50
0x63, 0x50, // pToa 50
0x31, 0x15, // bnt 15 [05b9]
0x39, 0x0e, // pushi 0e
0x76, // push0
0x4a, SIG_UINT16(0x0004), // send 0004
0xa5, 0x00, // sat 00
0x38, SIG_SELECTOR16(dispose), // pushi dispose
0x76, // push0
0x63, 0x50, // pToa 50
0x4a, SIG_UINT16(0x0004), // send 0004
0x85, 0x00, // lat 00
0x65, 0x50, // aTop 50
SIG_END
};
static const uint16 gk1PatchInterrogationBug[] = {
0x65, 0x4c, // aTop 4c
0x63, 0x50, // pToa 50
0x31, 0x15, // bnt 15 [05b9]
0x39, 0x0e, // pushi 0e
0x76, // push0
0x4a, 0x04, 0x00, // send 0004
0xa5, 0x00, // sat 00
0x38, SIG_SELECTOR16(dispose), // pushi dispose
0x76, // push0
0x63, 0x50, // pToa 50
0x4a, 0x04, 0x00, // send 0004
0x85, 0x00, // lat 00
0x65, 0x50, // aTop 50
0x67, 0x50, // pTos 50
0x34, PATCH_UINT16(0x2710), // ldi 2710
0x1e, // gt?
0x31, 0x08, // bnt 08 [05b9]
0x67, 0x50, // pTos 50
0x34, PATCH_UINT16(0x2710), // ldi 2710
0x04, // sub
0x65, 0x50, // aTop 50
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry gk1Signatures[] = {
{ true, 51, "interrogation bug", 1, gk1SignatureInterrogationBug, gk1PatchInterrogationBug },
{ true, 212, "day 5 phone freeze", 1, gk1SignatureDay5PhoneFreeze, gk1PatchDay5PhoneFreeze },
{ true, 230, "day 6 police beignet timer issue", 1, gk1SignatureDay6PoliceBeignet, gk1PatchDay6PoliceBeignet },
{ true, 230, "day 6 police sleep timer issue", 1, gk1SignatureDay6PoliceSleep, gk1PatchDay6PoliceSleep },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// at least during harpy scene export 29 of script 0 is called in kq5cd and
// has an issue for those calls, where temp 3 won't get inititialized, but
// is later used to set master volume. This issue makes sierra sci set
// the volume to max. We fix the export, so volume won't get modified in
// those cases.
static const uint16 kq5SignatureCdHarpyVolume[] = {
SIG_MAGICDWORD,
0x80, SIG_UINT16(0x0191), // lag global[191h]
0x18, // not
0x30, SIG_UINT16(0x002c), // bnt [jump further] (jumping, if global 191h is 1)
0x35, 0x01, // ldi 01
0xa0, SIG_UINT16(0x0191), // sag global[191h] (setting global 191h to 1)
0x38, SIG_UINT16(0x017b), // pushi 017b
0x76, // push0
0x81, 0x01, // lag global[1]
0x4a, 0x04, // send 04 - read KQ5::masterVolume
0xa5, 0x03, // sat temp[3] (store volume in temp 3)
0x38, SIG_UINT16(0x017b), // pushi 017b
0x76, // push0
0x81, 0x01, // lag global[1]
0x4a, 0x04, // send 04 - read KQ5::masterVolume
0x36, // push
0x35, 0x04, // ldi 04
0x20, // ge? (followed by bnt)
SIG_END
};
static const uint16 kq5PatchCdHarpyVolume[] = {
0x38, PATCH_UINT16(0x022f), // pushi 022f (selector theVol) (3 new bytes)
0x76, // push0 (1 new byte)
0x51, 0x88, // class SpeakTimer (2 new bytes)
0x4a, 0x04, // send 04 (2 new bytes) -> read SpeakTimer::theVol
0xa5, 0x03, // sat temp[3] (2 new bytes) -> write to temp 3
0x80, PATCH_UINT16(0x0191), // lag global[191h]
// saving 1 byte due optimization
0x2e, PATCH_UINT16(0x0023), // bt [jump further] (jumping, if global 191h is 1)
0x35, 0x01, // ldi 01
0xa0, PATCH_UINT16(0x0191), // sag global[191h] (setting global 191h to 1)
0x38, PATCH_UINT16(0x017b), // pushi 017b
0x76, // push0
0x81, 0x01, // lag global[1]
0x4a, 0x04, // send 04 - read KQ5::masterVolume
0xa5, 0x03, // sat temp[3] (store volume in temp 3)
// saving 8 bytes due removing of duplicate code
0x39, 0x04, // pushi 04 (saving 1 byte due swapping)
0x22, // lt? (because we switched values)
PATCH_END
};
// This is a heap patch, and it modifies the properties of an object, instead
// of patching script code.
//
// The witchCage object in script 200 is broken and claims to have 12
// variables instead of the 8 it should have because it is a Cage.
// Additionally its top,left,bottom,right properties are set to 0 rather
// than the right values. We fix the object by setting the right values.
// If they are all zero, this causes an impossible position check in
// witch::cantBeHere and an infinite loop when entering room 22.
//
// This bug is accidentally not triggered in SSCI because the invalid number
// of variables effectively hides witchCage::doit, causing this position check
// to be bypassed entirely.
// See also the warning+comment in Object::initBaseObject
//
// Fixes bug: #4964
static const uint16 kq5SignatureWitchCageInit[] = {
SIG_UINT16(0x0000), // top
SIG_UINT16(0x0000), // left
SIG_UINT16(0x0000), // bottom
SIG_UINT16(0x0000), // right
SIG_UINT16(0x0000), // extra property #1
SIG_MAGICDWORD,
SIG_UINT16(0x007a), // extra property #2
SIG_UINT16(0x00c8), // extra property #3
SIG_UINT16(0x00a3), // extra property #4
SIG_END
};
static const uint16 kq5PatchWitchCageInit[] = {
PATCH_UINT16(0x0000), // top
PATCH_UINT16(0x007a), // left
PATCH_UINT16(0x00c8), // bottom
PATCH_UINT16(0x00a3), // right
PATCH_END
};
// In the final battle, the DOS version uses signals in the music to handle
// timing, while in the Windows version another method is used and the GM
// tracks do not contain these signals.
// The original kq5 interpreter used global 400 to distinguish between
// Windows (1) and DOS (0) versions.
// We replace the 4 relevant checks for global 400 by a fixed true when
// we use these GM tracks.
//
// Instead, we could have set global 400, but this has the possibly unwanted
// side effects of switching to black&white cursors (which also needs complex
// changes to GameFeatures::detectsetCursorType() ) and breaking savegame
// compatibilty between the DOS and Windows CD versions of KQ5.
// TODO: Investigate these side effects more closely.
static const uint16 kq5SignatureWinGMSignals[] = {
SIG_MAGICDWORD,
0x80, SIG_UINT16(0x0190), // lag 0x190
0x18, // not
0x30, SIG_UINT16(0x001b), // bnt +0x001B
0x89, 0x57, // lsg 0x57
SIG_END
};
static const uint16 kq5PatchWinGMSignals[] = {
0x34, PATCH_UINT16(0x0001), // ldi 0x0001
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry kq5Signatures[] = {
{ true, 0, "CD: harpy volume change", 1, kq5SignatureCdHarpyVolume, kq5PatchCdHarpyVolume },
{ true, 200, "CD: witch cage init", 1, kq5SignatureWitchCageInit, kq5PatchWitchCageInit },
{ false, 124, "Win: GM Music signal checks", 4, kq5SignatureWinGMSignals, kq5PatchWinGMSignals },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// When giving the milk bottle to one of the babies in the garden in KQ6 (room
// 480), script 481 starts a looping baby cry sound. However, that particular
// script also has an overriden check method (cryMusic::check). This method
// explicitly restarts the sound, even if it's set to be looped, thus the same
// sound is played twice, squelching all other sounds. We just rip the
// unnecessary cryMusic::check method out, thereby stopping the sound from
// constantly restarting (since it's being looped anyway), thus the normal
// game speech can work while the baby cry sound is heard.
// Fixes bug: #4955
static const uint16 kq6SignatureDuplicateBabyCry[] = {
SIG_MAGICDWORD,
0x83, 0x00, // lal 00
0x31, 0x1e, // bnt 1e [07f4]
0x78, // push1
0x39, 0x04, // pushi 04
0x43, 0x75, 0x02, // callk DoAudio[75] 02
SIG_END
};
static const uint16 kq6PatchDuplicateBabyCry[] = {
0x48, // ret
PATCH_END
};
// The inventory of King's Quest 6 is buggy. When it grows too large,
// it will get split into 2 pages. Switching between those pages will
// grow the stack, because it's calling itself per switch.
// Which means after a while ScummVM will bomb out because the stack frame
// will be too large. This patch fixes the buggy script.
// Applies to at least: PC-CD, English PC floppy, German PC floppy, English Mac
// Responsible method: KqInv::showSelf
// Fixes bug: #5681
static const uint16 kq6SignatureInventoryStackFix[] = {
0x67, 0x30, // pTos state
0x34, SIG_UINT16(0x2000), // ldi 2000
0x12, // and
0x18, // not
0x31, 0x04, // bnt [not first refresh]
0x35, 0x00, // ldi 00
SIG_MAGICDWORD,
0x65, 0x1e, // aTop curIcon
0x67, 0x30, // pTos state
0x34, SIG_UINT16(0xdfff), // ldi dfff
0x12, // and
0x65, 0x30, // aTop state
0x38, SIG_SELECTOR16(show), // pushi "show" ("show" is e1h for KQ6CD)
0x78, // push1
0x87, 0x00, // lap param[0]
0x31, 0x04, // bnt [use global for show]
0x87, 0x01, // lap param[1]
0x33, 0x02, // jmp [use param for show]
0x81, 0x00, // lag global[0]
0x36, // push
0x54, 0x06, // self 06 (KqInv::show)
0x31, SIG_ADDTOOFFSET(+1), // bnt [exit menu code] (0x08 for PC, 0x07 for mac)
0x39, 0x39, // pushi 39
0x76, // push0
0x54, 0x04, // self 04 (KqInv::doit)
SIG_END // followed by jmp (0x32 for PC, 0x33 for mac)
};
static const uint16 kq6PatchInventoryStackFix[] = {
0x67, 0x30, // pTos state
0x3c, // dup (1 more byte, needed for patch)
0x3c, // dup (1 more byte, saves 1 byte later)
0x34, PATCH_UINT16(0x2000), // ldi 2000
0x12, // and
0x2f, 0x02, // bt [not first refresh] - saves 3 bytes in total
0x65, 0x1e, // aTop curIcon
0x00, // neg (either 2000 or 0000 in acc, this will create dfff or ffff) - saves 2 bytes
0x12, // and
0x65, 0x30, // aTop state
0x38, // pushi "show"
PATCH_GETORIGINALBYTE(+22),
PATCH_GETORIGINALBYTE(+23),
0x78, // push1
0x87, 0x00, // lap param[0]
0x31, 0x04, // bnt [call show using global 0]
0x8f, 0x01, // lsp param[1], save 1 byte total with lsg global[0] combined
0x33, 0x02, // jmp [call show using param 1]
0x89, 0x00, // lsg global[0], save 1 byte total, see above
0x54, 0x06, // self 06 (call x::show)
0x31, // bnt [menu exit code]
PATCH_GETORIGINALBYTEADJUST(+39, +6),// dynamic offset must be 0x0E for PC and 0x0D for mac
0x34, PATCH_UINT16(0x2000), // ldi 2000
0x12, // and
0x2f, 0x05, // bt [to return]
0x39, 0x39, // pushi 39
0x76, // push0
0x54, 0x04, // self 04 (self::doit)
0x48, // ret (saves 2 bytes for PC, 1 byte for mac)
PATCH_END
};
// The "Drink Me" bottle code doesn't repaint the AddToPics elements to the screen,
// when Alexander returns back from the effect of the bottle.
// It's pretty strange that Sierra didn't find this bug, because it occurs when
// drinking the bottle right on the screen, where the bottle is found.
// This bug also occurs in Sierra SCI.
// Applies to at least: PC-CD, English PC floppy, German PC floppy, English Mac
// Responsible method: drinkMeScript::changeState
// Fixes bug: #5252
static const uint16 kq6SignatureDrinkMeFix[] = {
SIG_MAGICDWORD,
0x3c, // dup
0x35, 0x0f, // ldi 0f
0x1a, // eq?
0x30, SIG_UINT16(0x00a4), // bnt [skip to next check]
SIG_ADDTOOFFSET(+161),
0x32, SIG_UINT16(0x007f), // jmp [return]
0x3c, // dup
0x35, 0x10, // ldi 10
0x1a, // eq?
0x31, 0x07, // bnt [skip to next check]
0x35, 0x03, // ldi 03
0x65, 0x1a, // aTop (cycles)
0x32, SIG_UINT16(0x0072), // jmp [return]
0x3c, // dup
0x35, 0x11, // ldi 11
0x1a, // eq?
0x31, 0x13, // bnt [skip to next check]
SIG_ADDTOOFFSET(+20),
0x35, 0x12, // ldi 12
SIG_ADDTOOFFSET(+23),
0x35, 0x13, // ldi 13
SIG_END
};
static const uint16 kq6PatchDrinkMeFix[] = {
PATCH_ADDTOOFFSET(+5), // skip to bnt offset
PATCH_GETORIGINALBYTEADJUST(+5, +13), // adjust jump to [check for 11h code]
PATCH_ADDTOOFFSET(+162),
0x39, PATCH_SELECTOR8(doit), // pushi (doit)
0x76, // push0
0x81, 0x0a, // lag 0a
0x4a, 0x04, // send 04 (call addToPics::doit)
0x3a, // toss
0x48, // ret
PATCH_ADDTOOFFSET(+8), // skip to check 11h code
0x35, 0x10, // ldi 10 instead of 11
PATCH_ADDTOOFFSET(+23), // skip to check 12h code
0x35, 0x11, // ldi 11 instead of 12
PATCH_ADDTOOFFSET(+23), // skip to check 13h code
0x35, 0x12, // ldi 12 instead of 13
PATCH_END
};
// Audio + subtitles support - SHARED! - used for King's Quest 6 and Laura Bow 2
// this patch gets enabled, when the user selects "both" in the ScummVM "Speech + Subtitles" menu
// We currently use global 98d to hold a kMemory pointer.
// Applies to at least: KQ6 PC-CD, LB2 PC-CD
// Patched method: Messager::sayNext / lb2Messager::sayNext (always use text branch)
static const uint16 kq6laurabow2CDSignatureAudioTextSupport1[] = {
0x89, 0x5a, // lsg global[5a]
0x35, 0x02, // ldi 02
0x12, // and
SIG_MAGICDWORD,
0x31, 0x13, // bnt [audio call]
0x38, SIG_SELECTOR16(modNum), // pushi modNum
SIG_END
};
static const uint16 kq6laurabow2CDPatchAudioTextSupport1[] = {
PATCH_ADDTOOFFSET(+5),
0x33, 0x13, // jmp [audio call]
PATCH_END
};
// Applies to at least: KQ6 PC-CD, LB2 PC-CD
// Patched method: Messager::sayNext / lb2Messager::sayNext (allocate audio memory)
static const uint16 kq6laurabow2CDSignatureAudioTextSupport2[] = {
0x7a, // push2
0x78, // push1
0x39, 0x0c, // pushi 0c
0x43, SIG_MAGICDWORD, 0x72, 0x04, // kMemory
0xa5, 0xc9, // sat global[c9]
SIG_END
};
static const uint16 kq6laurabow2CDPatchAudioTextSupport2[] = {
PATCH_ADDTOOFFSET(+7),
0xa1, 98, // sag global[98d]
PATCH_END
};
// Applies to at least: KQ6 PC-CD, LB2 PC-CD
// Patched method: Messager::sayNext / lb2Messager::sayNext (release audio memory)
static const uint16 kq6laurabow2CDSignatureAudioTextSupport3[] = {
0x7a, // push2
0x39, 0x03, // pushi 03
SIG_MAGICDWORD,
0x8d, 0xc9, // lst temp[c9]
0x43, 0x72, 0x04, // kMemory
SIG_END
};
static const uint16 kq6laurabow2CDPatchAudioTextSupport3[] = {
PATCH_ADDTOOFFSET(+3),
0x89, 98, // lsg global[98d]
PATCH_END
};
// startText call gets acc = 0 for text-only and acc = 2 for audio+text
// Applies to at least: KQ6 PC-CD, LB2 PC-CD
// Patched method: Narrator::say (use audio memory)
static const uint16 kq6laurabow2CDSignatureAudioTextSupport4[] = {
// set caller property code
0x31, 0x08, // bnt [set acc to 0 for caller]
0x87, 0x02, // lap param[2]
0x31, 0x04, // bnt [set acc to 0 for caller]
0x87, 0x02, // lap param[2]
0x33, 0x02, // jmp [set caller]
0x35, 0x00, // ldi 00
0x65, 0x68, // aTop caller
// call startText + startAudio code
0x89, 0x5a, // lsg global[5a]
0x35, 0x01, // ldi 01
0x12, // and
0x31, 0x08, // bnt [skip code]
0x38, SIG_SELECTOR16(startText), // pushi startText
0x78, // push1
0x8f, 0x01, // lsp param[1]
0x54, 0x06, // self 06
0x89, 0x5a, // lsg global[5a]
0x35, 0x02, // ldi 02
0x12, // and
0x31, 0x08, // bnt [skip code]
SIG_MAGICDWORD,
0x38, SIG_SELECTOR16(startAudio), // pushi startAudio
0x78, // push1
0x8f, 0x01, // lsp param[1]
0x54, 0x06, // self 06
SIG_END
};
static const uint16 kq6laurabow2CDPatchAudioTextSupport4[] = {
0x31, 0x02, // bnt [set caller]
0x87, 0x02, // lap param[2]
0x65, 0x68, // aTop caller
0x81, 0x5a, // lag global[5a]
0x78, // push1
0x12, // and
0x31, 0x11, // bnt [skip startText code]
0x81, 0x5a, // lag global[5a]
0x7a, // push2
0x12, // and
0x33, 0x03, // skip over 3 unused bytes
PATCH_ADDTOOFFSET(+22),
0x89, 98, // lsp global[98d]
PATCH_END
};
// Applies to at least: KQ6 PC-CD, LB2 PC-CD
// Patched method: Talker::display/Narrator::say (remove reset saved mouse cursor code)
// code would screw over mouse cursor
static const uint16 kq6laurabow2CDSignatureAudioTextSupport5[] = {
SIG_MAGICDWORD,
0x35, 0x00, // ldi 00
0x65, 0x82, // aTop saveCursor
SIG_END
};
static const uint16 kq6laurabow2CDPatchAudioTextSupport5[] = {
0x18, 0x18, 0x18, 0x18, // waste bytes, do nothing
PATCH_END
};
// Additional patch specifically for King's Quest 6
// Fixes text window placement, when in "dual" mode
// Applies to at least: PC-CD
// Patched method: Kq6Talker::init
static const uint16 kq6CDSignatureAudioTextSupport1[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg global[5a]
0x35, 0x02, // ldi 02
0x1a, // eq?
0x31, SIG_ADDTOOFFSET(+1), // bnt [jump-to-text-code]
0x78, // push1
SIG_END
};
static const uint16 kq6CDPatchAudioTextSupport1[] = {
PATCH_ADDTOOFFSET(+4),
0x12, // and
PATCH_END
};
// Additional patch specifically for King's Quest 6
// Fixes low-res portrait staying on screen for hi-res mode
// Applies to at least: PC-CD
// Patched method: Talker::startText
// this method is called by Narrator::say and acc is 0 for text-only and 2 for dual mode (audio+text)
static const uint16 kq6CDSignatureAudioTextSupport2[] = {
SIG_MAGICDWORD,
0x3f, 0x01, // link 01
0x63, 0x8a, // pToa viewInPrint
0x18, // not
0x31, 0x06, // bnt [skip following code]
0x38, SIG_UINT16(0x00e1), // pushi 00e1
0x76, // push0
0x54, 0x04, // self 04
SIG_END
};
static const uint16 kq6CDPatchAudioTextSupport2[] = {
PATCH_ADDTOOFFSET(+2),
0x67, 0x8a, // pTos viewInPrint
0x14, // or
0x2f, // bt [skip following code]
PATCH_END
};
// Additional patch specifically for King's Quest 6
// Fixes special windows, used for example in the Pawn shop (room 280),
// when the man in a robe complains about no more mints.
// We have to change even more code, because the game uses PODialog class for
// text windows and myDialog class for audio. Both are saved to KQ6Print::dialog
// Sadly PODialog is created during KQ6Print::addText, myDialog is set during
// KQ6Print::showSelf, which is called much later and KQ6Print::addText requires
// KQ6Print::dialog to be set, which means we have to set it before calling addText
// for audio mode, otherwise the user would have to click to get those windows disposed.
// Applies to at least: PC-CD
// Patched method: KQ6Print::say
static const uint16 kq6CDSignatureAudioTextSupport3[] = {
0x31, 0x6e, // bnt [to text code]
SIG_ADDTOOFFSET(+85),
SIG_MAGICDWORD,
0x8f, 0x01, // lsp param[1]
0x35, 0x01, // ldi 01
0x1a, // eq?
0x31, 0x0c, // bnt [code to set property repressText to 1]
0x38, // pushi (selector addText)
SIG_ADDTOOFFSET(+9), // skip addText-calling code
0x33, 0x10, // jmp [to ret]
0x35, 0x01, // ldi 01
0x65, 0x2e, // aTop repressText
0x33, 0x0a, // jmp [to ret]
SIG_END
};
static const uint16 kq6CDPatchAudioTextSupport3[] = {
0x31, 0x5c, // adjust jump to reuse audio mode addText-calling code
PATCH_ADDTOOFFSET(102),
0x48, // ret
0x48, // ret (waste byte)
0x72, 0x0e, 0x00, // lofsa myDialog
0x65, 0x12, // aTop dialog
0x33, 0xed, // jump back to audio mode addText-calling code
PATCH_END
};
// Additional patch specifically for King's Quest 6
// Fixes text-window size for hires portraits mode
// Otherwise at least at the end some text-windows will be way too small
// Applies to at least: PC-CD
// Patched method: Talker::init
static const uint16 kq6CDSignatureAudioTextSupport4[] = {
SIG_MAGICDWORD,
0x63, 0x94, // pToa raving
0x31, 0x0a, // bnt [no rave code]
0x35, 0x00, // ldi 00
SIG_ADDTOOFFSET(6), // skip reset of bust, eyes and mouth
0x33, 0x24, // jmp [to super class code]
SIG_END
};
static const uint16 kq6CDPatchAudioTextSupport4[] = {
PATCH_ADDTOOFFSET(+12),
0x33, PATCH_GETORIGINALBYTEADJUST(+13, -6), // adjust jump to also include setSize call
PATCH_END
};
// Fixes text window placement, when dual mode is active (Guards in room 220)
// Applies to at least: PC-CD
// Patched method: tlkGateGuard1::init & tlkGateGuard2::init
static const uint16 kq6CDSignatureAudioTextSupportGuards[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg global[5a]
0x35, 0x01, // ldi 01
0x1a, // eq?
SIG_END // followed by bnt for Guard1 and bt for Guard2
};
static const uint16 kq6CDPatchAudioTextSupportGuards[] = {
PATCH_ADDTOOFFSET(+2),
0x35, 0x02, // ldi 02
0x1c, // ne?
PATCH_END
};
// Fixes text window placement, when portrait+text is shown (Stepmother in room 250)
// Applies to at least: PC-CD
// Patched method: tlkStepmother::init
static const uint16 kq6CDSignatureAudioTextSupportStepmother[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg global[5a]
0x35, 0x02, // ldi 02
0x12, // and
0x31, // bnt [jump-for-text-code]
SIG_END
};
static const uint16 kq6CDPatchAudioTextSupportJumpAlways[] = {
PATCH_ADDTOOFFSET(+4),
0x1a, // eq?
PATCH_END
};
// Fixes "Girl In The Tower" to get played in dual mode as well
// Also changes credits to use CD audio for dual mode.
//
// Applies to at least: PC-CD
// Patched method: rm740::cue (script 740), sCredits::init (script 52)
static const uint16 kq6CDSignatureAudioTextSupportGirlInTheTower[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg global[5a]
0x35, 0x02, // ldi 02
0x1a, // eq?
0x31, // bnt [jump-for-text-code]
SIG_END
};
static const uint16 kq6CDPatchAudioTextSupportGirlInTheTower[] = {
PATCH_ADDTOOFFSET(+4),
0x12, // and
PATCH_END
};
// Fixes dual mode for scenes with Azure and Ariel (room 370)
// Effectively same patch as the one for fixing "Girl In The Tower"
// Applies to at least: PC-CD
// Patched methods: rm370::init, caughtAtGateCD::changeState, caughtAtGateTXT::changeState, toLabyrinth::changeState
// Fixes bug: #6750
static const uint16 kq6CDSignatureAudioTextSupportAzureAriel[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg global[5a]
0x35, 0x02, // ldi 02
0x1a, // eq?
0x31, // bnt [jump-for-text-code]
SIG_END
};
static const uint16 kq6CDPatchAudioTextSupportAzureAriel[] = {
PATCH_ADDTOOFFSET(+4),
0x12, // and
PATCH_END
};
// Additional patch specifically for King's Quest 6
// Adds another button state for the text/audio button. We currently use the "speech" view for "dual" mode.
// View 947, loop 9, cel 0+1 -> "text"
// View 947, loop 8, cel 0+1 -> "speech"
// View 947, loop 12, cel 0+1 -> "dual" (this view is injected by us into the game)
// Applies to at least: PC-CD
// Patched method: iconTextSwitch::show, iconTextSwitch::doit
static const uint16 kq6CDSignatureAudioTextMenuSupport[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg global[5a]
0x35, 0x02, // ldi 02
0x1a, // eq?
0x31, 0x06, // bnt [set text view]
0x35, 0x08, // ldi 08
0x65, 0x14, // aTop loop
0x33, 0x04, // jmp [skip over text view]
0x35, 0x09, // ldi 09
0x65, 0x14, // aTop loop
SIG_ADDTOOFFSET(+102), // skip to iconTextSwitch::doit code
0x89, 0x5a, // lsg global[5a]
0x3c, // dup
0x35, 0x01, // ldi 01
0x1a, // eq?
0x31, 0x06, // bnt [set text mode]
0x35, 0x02, // ldi 02
0xa1, 0x5a, // sag global[5a]
0x33, 0x0a, // jmp [skip over text mode code]
0x3c, // dup
0x35, 0x02, // ldi 02
0x1a, // eq?
0x31, 0x04, // bnt [skip over text ode code]
0x35, 0x01, // ldi 01
0xa1, 0x5a, // sag global[5a]
0x3a, // toss
0x67, 0x14, // pTos loop
0x35, 0x09, // ldi 09
0x1a, // eq?
0x31, 0x04, // bnt [set text view]
0x35, 0x08, // ldi 08
0x33, 0x02, // jmp [skip text view]
0x35, 0x09, // ldi 09
0x65, 0x14, // aTop loop
SIG_END
};
static const uint16 kq6CDPatchAudioTextMenuSupport[] = {
PATCH_ADDTOOFFSET(+13),
0x33, 0x79, // jmp to new text+dual code
PATCH_ADDTOOFFSET(+104), // seek to iconTextSwitch::doit
0x81, 0x5a, // lag global[5a]
0x78, // push1
0x02, // add
0xa1, 0x5a, // sag global[5a]
0x36, // push
0x35, 0x03, // ldi 03
0x1e, // gt?
0x31, 0x03, // bnt [skip over]
0x78, // push1
0xa9, 0x5a, // ssg global[5a]
0x33, 0x17, // jmp [iconTextSwitch::show call]
// additional code for iconTextSwitch::show
0x89, 0x5a, // lsg global[5a]
0x35, 0x01, // ldi 01
0x1a, // eq?
0x31, 0x04, // bnt [dual mode]
0x35, 0x09, // ldi 09
0x33, 0x02, // jmp [skip over dual mode]
0x35, 0x0c, // ldi 0c (view 947, loop 12, cel 0+1 is our "dual" view, injected by view.cpp)
0x65, 0x14, // aTop loop
0x32, PATCH_UINT16(0xff75), // jmp [back to iconTextSwitch::show]
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry kq6Signatures[] = {
{ true, 481, "duplicate baby cry", 1, kq6SignatureDuplicateBabyCry, kq6PatchDuplicateBabyCry },
{ true, 907, "inventory stack fix", 1, kq6SignatureInventoryStackFix, kq6PatchInventoryStackFix },
{ true, 87, "Drink Me bottle fix", 1, kq6SignatureDrinkMeFix, kq6PatchDrinkMeFix },
// King's Quest 6 and Laura Bow 2 share basic patches for audio + text support
// *** King's Quest 6 audio + text support ***
{ false, 924, "CD: audio + text support KQ6&LB2 1", 1, kq6laurabow2CDSignatureAudioTextSupport1, kq6laurabow2CDPatchAudioTextSupport1 },
{ false, 924, "CD: audio + text support KQ6&LB2 2", 1, kq6laurabow2CDSignatureAudioTextSupport2, kq6laurabow2CDPatchAudioTextSupport2 },
{ false, 924, "CD: audio + text support KQ6&LB2 3", 1, kq6laurabow2CDSignatureAudioTextSupport3, kq6laurabow2CDPatchAudioTextSupport3 },
{ false, 928, "CD: audio + text support KQ6&LB2 4", 1, kq6laurabow2CDSignatureAudioTextSupport4, kq6laurabow2CDPatchAudioTextSupport4 },
{ false, 928, "CD: audio + text support KQ6&LB2 5", 2, kq6laurabow2CDSignatureAudioTextSupport5, kq6laurabow2CDPatchAudioTextSupport5 },
{ false, 909, "CD: audio + text support KQ6 1", 2, kq6CDSignatureAudioTextSupport1, kq6CDPatchAudioTextSupport1 },
{ false, 928, "CD: audio + text support KQ6 2", 1, kq6CDSignatureAudioTextSupport2, kq6CDPatchAudioTextSupport2 },
{ false, 104, "CD: audio + text support KQ6 3", 1, kq6CDSignatureAudioTextSupport3, kq6CDPatchAudioTextSupport3 },
{ false, 928, "CD: audio + text support KQ6 4", 1, kq6CDSignatureAudioTextSupport4, kq6CDPatchAudioTextSupport4 },
{ false, 1009, "CD: audio + text support KQ6 Guards", 2, kq6CDSignatureAudioTextSupportGuards, kq6CDPatchAudioTextSupportGuards },
{ false, 1027, "CD: audio + text support KQ6 Stepmother", 1, kq6CDSignatureAudioTextSupportStepmother, kq6CDPatchAudioTextSupportJumpAlways },
{ false, 52, "CD: audio + text support KQ6 Girl In The Tower", 1, kq6CDSignatureAudioTextSupportGirlInTheTower, kq6CDPatchAudioTextSupportGirlInTheTower },
{ false, 740, "CD: audio + text support KQ6 Girl In The Tower", 1, kq6CDSignatureAudioTextSupportGirlInTheTower, kq6CDPatchAudioTextSupportGirlInTheTower },
{ false, 370, "CD: audio + text support KQ6 Azure & Ariel", 6, kq6CDSignatureAudioTextSupportAzureAriel, kq6CDPatchAudioTextSupportAzureAriel },
{ false, 903, "CD: audio + text support KQ6 menu", 1, kq6CDSignatureAudioTextMenuSupport, kq6CDPatchAudioTextMenuSupport },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// Script 210 in the German version of Longbow handles the case where Robin
// hands out the scroll to Marion and then types his name using the hand code.
// The German version script contains a typo (probably a copy/paste error),
// and the function that is used to show each letter is called twice. The
// second time that the function is called, the second parameter passed to
// the function is undefined, thus kStrCat() that is called inside the function
// reads a random pointer and crashes. We patch all of the 5 function calls
// (one for each letter typed from "R", "O", "B", "I", "N") so that they are
// the same as the English version.
// Applies to at least: German floppy
// Responsible method: unknown
// Fixes bug: #5264
static const uint16 longbowSignatureShowHandCode[] = {
0x78, // push1
0x78, // push1
0x72, SIG_ADDTOOFFSET(+2), // lofsa (letter, that was typed)
0x36, // push
0x40, SIG_ADDTOOFFSET(+2), // call
0x02, // perform the call above with 2 parameters
0x36, // push
0x40, SIG_ADDTOOFFSET(+2), // call
SIG_MAGICDWORD,
0x02, // perform the call above with 2 parameters
0x38, SIG_SELECTOR16(setMotion), // pushi "setMotion" (0x11c in Longbow German)
0x39, SIG_SELECTOR8(x), // pushi "x" (0x04 in Longbow German)
0x51, 0x1e, // class MoveTo
SIG_END
};
static const uint16 longbowPatchShowHandCode[] = {
0x39, 0x01, // pushi 1 (combine the two push1's in one, like in the English version)
PATCH_ADDTOOFFSET(+3), // leave the lofsa call untouched
// The following will remove the duplicate call
0x32, PATCH_UINT16(0x0002), // jmp 02 - skip 2 bytes (the remainder of the first call)
0x48, // ret (dummy, should never be reached)
0x48, // ret (dummy, should never be reached)
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry longbowSignatures[] = {
{ true, 210, "hand code crash", 5, longbowSignatureShowHandCode, longbowPatchShowHandCode },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// Leisure Suit Larry 2
// On the plane, Larry is able to wear the parachute. This grants 4 points.
// In early versions of LSL2, it was possible to get "unlimited" points by
// simply wearing it multiple times.
// They fixed it in later versions by remembering, if the parachute was already
// used before.
// But instead of adding it properly, it seems they hacked the script / forgot
// to replace script 0 as well, which holds information about how many global
// variables are allocated at the start of the game.
// The script tries to read an out-of-bounds global variable, which somewhat
// "worked" in SSCI, but ScummVM/SCI doesn't allow that.
// That's why those points weren't granted here at all.
// We patch the script to use global 90, which seems to be unused in the whole game.
// Applies to at least: English floppy
// Responsible method: rm63Script::handleEvent
// Fixes bug: #6346
static const uint16 larry2SignatureWearParachutePoints[] = {
0x35, 0x01, // ldi 01
0xa1, SIG_MAGICDWORD, 0x8e, // sag 8e
0x80, SIG_UINT16(0x01e0), // lag 1e0
0x18, // not
0x30, SIG_UINT16(0x000f), // bnt [don't give points]
0x35, 0x01, // ldi 01
0xa0, 0xe0, 0x01, // sag 1e0
SIG_END
};
static const uint16 larry2PatchWearParachutePoints[] = {
PATCH_ADDTOOFFSET(+4),
0x80, PATCH_UINT16(0x005a), // lag 5a (global 90)
PATCH_ADDTOOFFSET(+6),
0xa0, PATCH_UINT16(0x005a), // sag 5a (global 90)
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry larry2Signatures[] = {
{ true, 63, "plane: no points for wearing plane", 1, larry2SignatureWearParachutePoints, larry2PatchWearParachutePoints },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// Leisure Suit Larry 5
// In Miami the player can call the green card telephone number and get
// green card including limo at the same time in the English 1.000 PC release.
// This results later in a broken game in case the player doesn't read
// the second telephone number for the actual limousine service, because
// in that case it's impossible for the player to get back to the airport.
//
// We disable the code, that is responsible to make the limo arrive.
//
// This bug was fixed in the European (dual language) versions of the game.
//
// Applies to at least: English PC floppy (1.000)
// Responsible method: sPhone::changeState(40)
static const uint16 larry5SignatureGreenCardLimoBug[] = {
0x7a, // push2
SIG_MAGICDWORD,
0x39, 0x07, // pushi 07
0x39, 0x0c, // pushi 0Ch
0x45, 0x0a, 0x04, // call export 10 of script 0
0x78, // push1
0x39, 0x26, // pushi 26h (limo arrived flag)
0x45, 0x07, 0x02, // call export 7 of script 0 (sets flag)
SIG_END
};
static const uint16 larry5PatchGreenCardLimoBug[] = {
PATCH_ADDTOOFFSET(+8),
0x34, PATCH_UINT16(0), // ldi 0000 (dummy)
0x34, PATCH_UINT16(0), // ldi 0000 (dummy)
PATCH_END
};
// In one of the conversations near the end (to be exact - room 380 and the text
// about using champagne on Reverse Biaz - only used when you actually did that
// in the game), the German text is too large, causing the textbox to get too large.
// Because of that the talking head of Patti is drawn over the textbox. A translation oversight.
// Applies to at least: German floppy
// Responsible method: none, position of talker object on screen needs to get modified
static const uint16 larry5SignatureGermanEndingPattiTalker[] = {
SIG_MAGICDWORD,
SIG_UINT16(0x006e), // object pattiTalker::x (110)
SIG_UINT16(0x00b4), // object pattiTalker::y (180)
SIG_ADDTOOFFSET(+469), // verify that it's really the German version
0x59, 0x6f, 0x75, // (object name) "You"
0x23, 0x47, 0x44, 0x75, // "#GDu"
SIG_END
};
static const uint16 larry5PatchGermanEndingPattiTalker[] = {
PATCH_UINT16(0x005a), // change pattiTalker::x to 90
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry larry5Signatures[] = {
{ true, 280, "English-only: fix green card limo bug", 1, larry5SignatureGreenCardLimoBug, larry5PatchGreenCardLimoBug },
{ true, 380, "German-only: Enlarge Patti Textbox", 1, larry5SignatureGermanEndingPattiTalker, larry5PatchGermanEndingPattiTalker },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// this is called on every death dialog. Problem is at least the german
// version of lsl6 gets title text that is far too long for the
// available temp space resulting in temp space corruption
// This patch moves the title text around, so this overflow
// doesn't happen anymore. We would otherwise get a crash
// calling for invalid views (this happens of course also
// in sierra sci)
// Applies to at least: German PC-CD
// Responsible method: unknown
static const uint16 larry6SignatureDeathDialog[] = {
SIG_MAGICDWORD,
0x3e, SIG_UINT16(0x0133), // link 0133 (offset 0x20)
0x35, 0xff, // ldi ff
0xa3, 0x00, // sal 00
SIG_ADDTOOFFSET(+680), // [skip 680 bytes]
0x8f, 0x01, // lsp 01 (offset 0x2cf)
0x7a, // push2
0x5a, SIG_UINT16(0x0004), SIG_UINT16(0x010e), // lea 0004 010e
0x36, // push
0x43, 0x7c, 0x0e, // kMessage[7c] 0e
SIG_ADDTOOFFSET(+90), // [skip 90 bytes]
0x38, SIG_UINT16(0x00d6), // pushi 00d6 (offset 0x335)
0x78, // push1
0x5a, SIG_UINT16(0x0004), SIG_UINT16(0x010e), // lea 0004 010e
0x36, // push
SIG_ADDTOOFFSET(+76), // [skip 76 bytes]
0x38, SIG_UINT16(0x00cd), // pushi 00cd (offset 0x38b)
0x39, 0x03, // pushi 03
0x5a, SIG_UINT16(0x0004), SIG_UINT16(0x010e), // lea 0004 010e
0x36,
SIG_END
};
static const uint16 larry6PatchDeathDialog[] = {
0x3e, 0x00, 0x02, // link 0200
PATCH_ADDTOOFFSET(+687),
0x5a, PATCH_UINT16(0x0004), PATCH_UINT16(0x0140), // lea 0004 0140
PATCH_ADDTOOFFSET(+98),
0x5a, PATCH_UINT16(0x0004), PATCH_UINT16(0x0140), // lea 0004 0140
PATCH_ADDTOOFFSET(+82),
0x5a, PATCH_UINT16(0x0004), PATCH_UINT16(0x0140), // lea 0004 0140
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry larry6Signatures[] = {
{ true, 82, "death dialog memory corruption", 1, larry6SignatureDeathDialog, larry6PatchDeathDialog },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// Laura Bow 1 - Colonel's Bequest
//
// This is basically just a broken easter egg in Colonel's Bequest.
// A plane can show up in room 4, but that only happens really rarely.
// Anyway the Sierra developer seems to have just entered the wrong loop,
// which is why the statue view is used instead (loop 0).
// We fix it to use the correct loop.
//
// This is only broken in the PC version. It was fixed for Amiga + Atari ST.
//
// Credits to OmerMor, for finding it.
// Applies to at least: English PC Floppy
// Responsible method: room4::init
static const uint16 laurabow1SignatureEasterEggViewFix[] = {
0x78, // push1
0x76, // push0
SIG_MAGICDWORD,
0x38, SIG_SELECTOR16(setLoop), // pushi "setLoop"
0x78, // push1
0x39, 0x03, // pushi 3 (loop 3, view only has 3 loops)
SIG_END
};
static const uint16 laurabow1PatchEasterEggViewFix[] = {
PATCH_ADDTOOFFSET(+7),
0x02, // change loop to 2
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry laurabow1Signatures[] = {
{ true, 4, "easter egg view fix", 1, laurabow1SignatureEasterEggViewFix, laurabow1PatchEasterEggViewFix },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// Laura Bow 2
//
// Moving away the painting in the room with the hidden safe is problematic
// for the CD version of the game. safePic::doVerb gets triggered by the mouse-click.
// This method sets local 0 as signal, which is only meant to get handled, when
// the player clicks again to move the painting back. This signal is processed by
// the room doit-script.
// That doit-script checks safePic::cel to be not equal 0 and would then skip over
// the "close painting" trigger code. On very fast computers this script may
// get called too early (which is the case when running under ScummVM and when
// running the game using Sierra SCI in DOS-Box with cycles 15000) and thinks
// that it's supposed to move the painting back. Which then results in the painting
// getting moved to its original position immediately (which means it won't be possible
// to access the safe behind it).
//
// We patch the script, so that we check for cel to be not equal 4 (the final cel) and
// we also reset the safePic-signal immediately as well.
//
// In the floppy version Laura's coordinates are checked directly in rm560::doit
// and as soon as she moves, the painting will automatically move to its original position.
// This is not the case for the CD version of the game. The painting will only "move" back,
// when the player actually exits the room and re-enters.
//
// Applies to at least: English PC-CD
// Responsible method: rm560::doit
// Fixes bug: #6460
static const uint16 laurabow2CDSignaturePaintingClosing[] = {
0x39, 0x04, // pushi 04 (cel)
0x76, // push0
SIG_MAGICDWORD,
0x7a, // push2
0x38, SIG_UINT16(0x0231), // pushi 0231h (561)
0x76, // push0
0x43, 0x02, 0x04, // kScriptID (get export 0 of script 561)
0x4a, 0x04, // send 04 (gets safePicture::cel)
0x18, // not
0x31, 0x21, // bnt [exit]
0x38, SIG_UINT16(0x0283), // pushi 0283h
0x76, // push0
0x7a, // push2
0x39, 0x20, // pushi 20
0x76, // push0
0x43, 0x02, 0x04, // kScriptID (get export 0 of script 32)
0x4a, 0x04, // send 04 (get sHeimlich::room)
0x36, // push
0x81, 0x0b, // lag global[b] (current room)
0x1c, // ne?
0x31, 0x0e, // bnt [exit]
0x35, 0x00, // ldi 00
0xa3, 0x00, // sal local[0] -> reset safePic signal
SIG_END
};
static const uint16 laurabow2CDPatchPaintingClosing[] = {
PATCH_ADDTOOFFSET(+2),
0x3c, // dup (1 additional byte)
0x76, // push0
0x3c, // dup (1 additional byte)
0xab, 0x00, // ssl local[0] -> reset safePic signal
0x7a, // push2
0x38, PATCH_UINT16(0x0231), // pushi 0231h (561)
0x76, // push0
0x43, 0x02, 0x04, // kScriptID (get export 0 of script 561)
0x4a, 0x04, // send 04 (gets safePicture::cel)
0x1a, // eq?
0x31, 0x1d, // bnt [exit]
0x38, PATCH_UINT16(0x0283), // pushi 0283h
0x76, // push0
0x7a, // push2
0x39, 0x20, // pushi 20
0x76, // push0
0x43, 0x02, 0x04, // kScriptID (get export 0 of script 32)
0x4a, 0x04, // send 04 (get sHeimlich::room)
0x36, // push
0x81, 0x0b, // lag global[b] (current room)
0x1a, // eq? (2 opcodes changed, to save 2 bytes)
0x2f, 0x0a, // bt [exit]
PATCH_END
};
// In the CD version the system menu is disabled for certain rooms. LB2::handsOff is called,
// when leaving the room (and in other cases as well). This method remembers the disabled
// icons of the icon bar. In the new room LB2::handsOn will get called, which then enables
// all icons, but also disabled the ones, that were disabled before.
//
// Because of this behaviour certain rooms, that should have the system menu enabled, have
// it disabled, when entering those rooms from rooms, where the menu is supposed to be
// disabled.
//
// We patch this by injecting code into LB2::newRoom (which is called right after a room change)
// and reset the global variable there, that normally holds the disabled buttons.
//
// This patch may cause side-effects and it's difficult to test, because it affects every room
// in the game. At least for the intro, the speakeasy and plenty of rooms in the beginning it
// seems to work correctly.
//
// Applies to at least: English PC-CD
// Responsible method: LB2::newRoom, LB2::handsOff, LB2::handsOn
// Fixes bug: #6440
static const uint16 laurabow2CDSignatureFixProblematicIconBar[] = {
SIG_MAGICDWORD,
0x38, SIG_UINT16(0x00f1), // pushi 00f1 (disable) - hardcoded, we only want to patch the CD version
0x76, // push0
0x81, 0x45, // lag global[45]
0x4a, 0x04, // send 04
SIG_END
};
static const uint16 laurabow2CDPatchFixProblematicIconBar[] = {
0x35, 0x00, // ldi 00
0xa1, 0x74, // sag 74h
0x35, 0x00, // ldi 00 (waste bytes)
0x35, 0x00, // ldi 00
PATCH_END
};
// Opening/Closing the east door in the pterodactyl room doesn't
// check, if it's locked and will open/close the door internally
// even when it is.
//
// It will get wired shut later in the game by Laura Bow and will be
// "locked" because of this. We patch in a check for the locked
// state. We also add code, that will set the "locked" state
// in case our eastDoor-wired-global is set. This makes the locked
// state effectively persistent.
//
// Applies to at least: English PC-CD, English PC-Floppy
// Responsible method (CD): eastDoor::doVerb
// Responsible method (Floppy): eastDoor::<noname300>
// Fixes bug: #6458 (partly, see additional patch below)
static const uint16 laurabow2CDSignatureFixWiredEastDoor[] = {
0x30, SIG_UINT16(0x0022), // bnt [skip hand action]
0x67, SIG_ADDTOOFFSET(+1), // pTos CD: doorState, Floppy: state
0x35, 0x00, // ldi 00
0x1a, // eq?
0x31, 0x08, // bnt [close door code]
0x78, // push1
SIG_MAGICDWORD,
0x39, 0x63, // pushi 63h
0x45, 0x04, 0x02, // callb export000_4, 02 (sets door-bitflag)
0x33, 0x06, // jmp [super-code]
0x78, // push1
0x39, 0x63, // pushi 63h
0x45, 0x03, 0x02, // callb export000_3, 02 (resets door-bitflag)
0x38, SIG_ADDTOOFFSET(+2), // pushi CD: 011dh, Floppy: 012ch
0x78, // push1
0x8f, 0x01, // lsp param[01]
0x59, 0x02, // rest 02
0x57, SIG_ADDTOOFFSET(+1), 0x06, // super CD: LbDoor, Floppy: Door, 06
0x33, 0x0b, // jmp [ret]
SIG_END
};
static const uint16 laurabow2CDPatchFixWiredEastDoor[] = {
0x31, 0x23, // bnt [skip hand action] (saves 1 byte)
0x81, 97, // lag 97d (get our eastDoor-wired-global)
0x31, 0x04, // bnt [skip setting locked property]
0x35, 0x01, // ldi 01
0x65, 0x6a, // aTop locked (set eastDoor::locked to 1)
0x63, 0x6a, // pToa locked (get eastDoor::locked)
0x2f, 0x17, // bt [skip hand action]
0x63, PATCH_GETORIGINALBYTE(+4), // pToa CD: doorState, Floppy: state
0x78, // push1
0x39, 0x63, // pushi 63h
0x2f, 0x05, // bt [close door code]
0x45, 0x04, 0x02, // callb export000_4, 02 (sets door-bitflag)
0x33, 0x0b, // jmp [super-code]
0x45, 0x03, 0x02, // callb export000_3, 02 (resets door-bitflag)
0x33, 0x06, // jmp [super-code]
PATCH_END
};
// We patch in code, so that our eastDoor-wired-global will get set to 1.
// This way the wired-state won't get lost when exiting room 430.
//
// Applies to at least: English PC-CD, English PC-Floppy
// Responsible method (CD): sWireItShut::changeState
// Responsible method (Floppy): sWireItShut::<noname144>
// Fixes bug: #6458 (partly, see additional patch above)
static const uint16 laurabow2SignatureRememberWiredEastDoor[] = {
SIG_MAGICDWORD,
0x33, 0x27, // jmp [ret]
0x3c, // dup
0x35, 0x06, // ldi 06
0x1a, // eq?
0x31, 0x21, // bnt [skip step]
SIG_END
};
static const uint16 laurabow2PatchRememberWiredEastDoor[] = {
PATCH_ADDTOOFFSET(+2), // skip jmp [ret]
0x34, PATCH_UINT16(0x0001), // ldi 0001
0xa1, PATCH_UINT16(97), // sag 97d (set our eastDoor-wired-global)
PATCH_END
};
// Laura Bow 2 CD resets the audio mode to speech on init/restart
// We already sync the settings from ScummVM (see SciEngine::syncIngameAudioOptions())
// and this script code would make it impossible to see the intro using "dual" mode w/o using debugger command
// That's why we remove the corresponding code
// Patched method: LB2::init, rm100::init
static const uint16 laurabow2CDSignatureAudioTextSupportModeReset[] = {
SIG_MAGICDWORD,
0x35, 0x02, // ldi 02
0xa1, 0x5a, // sag global[5a]
SIG_END
};
static const uint16 laurabow2CDPatchAudioTextSupportModeReset[] = {
0x34, PATCH_UINT16(0x0001), // ldi 0001 (waste bytes)
0x18, // not (waste bytes)
PATCH_END
};
// Directly use global 5a for view-cel id
// That way it's possible to use a new "dual" mode view in the game menu
// View 995, loop 13, cel 0 -> "text"
// View 995, loop 13, cel 1 -> "speech"
// View 995, loop 13, cel 2 -> "dual" (this view is injected by us into the game)
// Patched method: gcWin::open
static const uint16 laurabow2CDSignatureAudioTextMenuSupport1[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg global[5a]
0x35, 0x02, // ldi 02
0x1a, // eq?
0x36, // push
SIG_END
};
static const uint16 laurabow2CDPatchAudioTextMenuSupport1[] = {
PATCH_ADDTOOFFSET(+2),
0x35, 0x01, // ldi 01
0x04, // sub
PATCH_END
};
// Adds another button state for the text/audio button. We currently use the "speech" view for "dual" mode.
// Patched method: iconMode::doit
static const uint16 laurabow2CDSignatureAudioTextMenuSupport2[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg global[5a]
0x3c, // dup
0x1a, // eq?
0x31, 0x0a, // bnt [set text mode]
0x35, 0x02, // ldi 02
0xa1, 0x5a, // sag global[5a]
0x35, 0x01, // ldi 01
0xa5, 0x00, // sat temp[0]
0x33, 0x0e, // jmp [draw cel code]
0x3c, // dup
0x35, 0x02, // ldi 02
0x1a, // eq?
0x31, 0x08, // bnt [draw cel code]
0x35, 0x01, // ldi 01
0xa1, 0x5a, // sag global[5a]
0x35, 0x00, // ldi 00
0xa5, 0x00, // sat temp[0]
0x3a, // toss
SIG_END
};
static const uint16 laurabow2CDPatchAudioTextMenuSupport2[] = {
0x81, 0x5a, // lag global[5a]
0x78, // push1
0x02, // add
0xa1, 0x5a, // sag global[5a]
0x36, // push
0x35, 0x03, // ldi 03
0x1e, // gt?
0x31, 0x03, // bnt [skip over]
0x78, // push1
0xa9, 0x5a, // ssg global[5a]
0x89, 0x5a, // lsg global[5a]
0x35, 0x01, // ldi 01
0x04, // sub
0xa5, 0x00, // sat temp[0] - calculate global[5a] - 1 to use as view cel id
0x33, 0x07, // jmp [draw cel code, don't do toss]
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry laurabow2Signatures[] = {
{ true, 560, "CD: painting closing immediately", 1, laurabow2CDSignaturePaintingClosing, laurabow2CDPatchPaintingClosing },
{ true, 0, "CD: fix problematic icon bar", 1, laurabow2CDSignatureFixProblematicIconBar, laurabow2CDPatchFixProblematicIconBar },
{ true, 430, "CD/Floppy: make wired east door persistent", 1, laurabow2SignatureRememberWiredEastDoor, laurabow2PatchRememberWiredEastDoor },
{ true, 430, "CD/Floppy: fix wired east door", 1, laurabow2CDSignatureFixWiredEastDoor, laurabow2CDPatchFixWiredEastDoor },
// King's Quest 6 and Laura Bow 2 share basic patches for audio + text support
{ false, 924, "CD: audio + text support 1", 1, kq6laurabow2CDSignatureAudioTextSupport1, kq6laurabow2CDPatchAudioTextSupport1 },
{ false, 924, "CD: audio + text support 2", 1, kq6laurabow2CDSignatureAudioTextSupport2, kq6laurabow2CDPatchAudioTextSupport2 },
{ false, 924, "CD: audio + text support 3", 1, kq6laurabow2CDSignatureAudioTextSupport3, kq6laurabow2CDPatchAudioTextSupport3 },
{ false, 928, "CD: audio + text support 4", 1, kq6laurabow2CDSignatureAudioTextSupport4, kq6laurabow2CDPatchAudioTextSupport4 },
{ false, 928, "CD: audio + text support 5", 2, kq6laurabow2CDSignatureAudioTextSupport5, kq6laurabow2CDPatchAudioTextSupport5 },
{ false, 0, "CD: audio + text support disable mode reset", 1, laurabow2CDSignatureAudioTextSupportModeReset, laurabow2CDPatchAudioTextSupportModeReset },
{ false, 100, "CD: audio + text support disable mode reset", 1, laurabow2CDSignatureAudioTextSupportModeReset, laurabow2CDPatchAudioTextSupportModeReset },
{ false, 24, "CD: audio + text support LB2 menu 1", 1, laurabow2CDSignatureAudioTextMenuSupport1, laurabow2CDPatchAudioTextMenuSupport1 },
{ false, 24, "CD: audio + text support LB2 menu 2", 1, laurabow2CDSignatureAudioTextMenuSupport2, laurabow2CDPatchAudioTextMenuSupport2 },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// Mother Goose SCI1/SCI1.1
// MG::replay somewhat calculates the savedgame-id used when saving again
// this doesn't work right and we remove the code completely.
// We set the savedgame-id directly right after restoring in kRestoreGame.
// We also draw the background picture in here instead.
// This Mixed Up Mother Goose draws the background picture before restoring,
// instead of doing it properly in MG::replay. This fixes graphic issues,
// when restoring from GMM.
//
// Applies to at least: English SCI1 CD, English SCI1.1 floppy, Japanese FM-Towns
// Responsible method: MG::replay (script 0)
static const uint16 mothergoose256SignatureReplay[] = {
0x7a, // push2
0x78, // push1
0x5b, 0x00, 0xbe, // lea global[BEh]
0x36, // push
0x43, 0x70, 0x04, // callk MemorySegment
0x7a, // push2
0x5b, 0x00, 0xbe, // lea global[BEh]
0x36, // push
0x76, // push0
0x43, 0x62, 0x04, // callk StrAt
0xa1, 0xaa, // sag global[AAh]
0x7a, // push2
0x5b, 0x00, 0xbe, // lea global[BEh]
0x36, // push
0x78, // push1
0x43, 0x62, 0x04, // callk StrAt
0x36, // push
0x35, 0x20, // ldi 20
0x04, // sub
0xa1, SIG_ADDTOOFFSET(+1), // sag global[57h] -> FM-Towns [9Dh]
// 35 bytes
0x39, 0x03, // pushi 03
0x89, SIG_ADDTOOFFSET(+1), // lsg global[1Dh] -> FM-Towns [1Eh]
0x76, // push0
0x7a, // push2
0x5b, 0x00, 0xbe, // lea global[BEh]
0x36, // push
0x7a, // push2
0x43, 0x62, 0x04, // callk StrAt
0x36, // push
0x35, 0x01, // ldi 01
0x04, // sub
0x36, // push
0x43, 0x62, 0x06, // callk StrAt
// 22 bytes
0x7a, // push2
0x5b, 0x00, 0xbe, // lea global[BE]
0x36, // push
0x39, 0x03, // pushi 03
0x43, 0x62, 0x04, // callk StrAt
// 10 bytes
0x36, // push
0x35, SIG_MAGICDWORD, 0x20, // ldi 20
0x04, // sub
0xa1, 0xb3, // sag global[b3]
// 6 bytes
SIG_END
};
static const uint16 mothergoose256PatchReplay[] = {
0x39, 0x06, // pushi 06
0x76, // push0
0x76, // push0
0x38, PATCH_UINT16(200), // pushi 200d
0x38, PATCH_UINT16(320), // pushi 320d
0x76, // push0
0x76, // push0
0x43, 0x15, 0x0c, // callk SetPort -> set picture port to full screen
// 15 bytes
0x39, 0x04, // pushi 04
0x3c, // dup
0x76, // push0
0x38, PATCH_UINT16(255), // pushi 255d
0x76, // push0
0x43, 0x6f, 0x08, // callk Palette -> set intensity to 0 for all colors
// 11 bytes
0x7a, // push2
0x38, PATCH_UINT16(800), // pushi 800
0x76, // push0
0x43, 0x08, 0x04, // callk DrawPic -> draw picture 800
// 8 bytes
0x39, 0x06, // pushi 06
0x39, 0x0c, // pushi 0Ch
0x76, // push0
0x76, // push0
0x38, PATCH_UINT16(200), // push 200
0x38, PATCH_UINT16(320), // push 320
0x78, // push1
0x43, 0x6c, 0x0c, // callk Graph -> send everything to screen
// 16 bytes
0x39, 0x06, // pushi 06
0x76, // push0
0x76, // push0
0x38, PATCH_UINT16(156), // pushi 156d
0x38, PATCH_UINT16(258), // pushi 258d
0x39, 0x03, // pushi 03
0x39, 0x04, // pushi 04
0x43, 0x15, 0x0c, // callk SetPort -> set picture port back
// 17 bytes
0x34, PATCH_UINT16(0x0000), // ldi 0000 (dummy)
0x34, PATCH_UINT16(0x0000), // ldi 0000 (dummy)
PATCH_END
};
// when saving, it also checks if the savegame ID is below 13.
// we change this to check if below 113 instead
//
// Applies to at least: English SCI1 CD, English SCI1.1 floppy, Japanese FM-Towns
// Responsible method: Game::save (script 994 for SCI1), MG::save (script 0 for SCI1.1)
static const uint16 mothergoose256SignatureSaveLimit[] = {
0x89, SIG_MAGICDWORD, 0xb3, // lsg global[b3]
0x35, 0x0d, // ldi 0d
0x20, // ge?
SIG_END
};
static const uint16 mothergoose256PatchSaveLimit[] = {
PATCH_ADDTOOFFSET(+2),
0x35, 0x0d + SAVEGAMEID_OFFICIALRANGE_START, // ldi 113d
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry mothergoose256Signatures[] = {
{ true, 0, "replay save issue", 1, mothergoose256SignatureReplay, mothergoose256PatchReplay },
{ true, 0, "save limit dialog (SCI1.1)", 1, mothergoose256SignatureSaveLimit, mothergoose256PatchSaveLimit },
{ true, 994, "save limit dialog (SCI1)", 1, mothergoose256SignatureSaveLimit, mothergoose256PatchSaveLimit },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// Police Quest 1 VGA
// When briefing is about to start in room 15, other officers will get into the room too.
// When one of those officers gets into the way of ego, they will tell the player to sit down.
// But control will be disabled right at that point. Ego may then go to his seat by himself,
// or more often than not will just stand there. The player is unable to do anything.
//
// Sergeant Dooley will then enter the room. Tell the player to sit down 3 times and after
// that it's game over.
//
// Because the Sergeant is telling the player to sit down, one has to assume that the player
// is meant to still be in control. Which is why this script patch removes disabling of player control.
//
// The script also tries to make ego walk to the chair, but it fails because it gets stuck with other
// actors. So I guess the safest way is to remove all of that and let the player do it manually.
//
// The responsible method seems to use a few hardcoded texts, which is why I have to assume that it's
// not used anywhere else. I also checked all scripts and couldn't find any other calls to it.
//
// This of course also happens when using the original interpreter.
//
// Scripts work like this: manX::doit (script 134) triggers gab::changeState, which then triggers rm015::notify
//
// Applies to at least: English floppy
// Responsible method: gab::changeState (script 152)
// Fixes bug: #5865
static const uint16 pq1vgaSignatureBriefingGettingStuck[] = {
0x76, // push0
0x45, 0x02, 0x00, // call export 2 of script 0 (disable control)
0x38, SIG_ADDTOOFFSET(+2), // pushi notify
0x76, // push0
0x81, 0x02, // lag global[2] (get current room)
0x4a, 0x04, // send 04
SIG_MAGICDWORD,
0x8b, 0x02, // lsl local[2]
0x35, 0x01, // ldi 01
0x02, // add
SIG_END
};
static const uint16 pq1vgaPatchBriefingGettingStuck[] = {
0x33, 0x0a, // jmp to lsl local[2], skip over export 2 and ::notify
PATCH_END // rm015::notify would try to make ego walk to the chair
};
// When at the police station, you can put or get your gun from your locker.
// The script, that handles this, is buggy. It disposes the gun as soon as
// you click, but then waits 2 seconds before it also closes the locker.
// Problem is that it's possible to click again, which then results in a
// disposed object getting accessed. This happened to work by pure luck in
// SSCI.
// This patch changes the code, so that the gun is actually given away
// when the 2 seconds have passed and the locker got closed.
// Applies to at least: English floppy
// Responsible method: putGun::changeState (script 341)
// Fixes bug: #5705 / #6400
static const uint16 pq1vgaSignaturePutGunInLockerBug[] = {
0x35, 0x00, // ldi 00
0x1a, // eq?
0x31, 0x25, // bnt [next state check]
SIG_ADDTOOFFSET(+22), // [skip 22 bytes]
SIG_MAGICDWORD,
0x38, SIG_SELECTOR16(put), // pushi "put"
0x78, // push1
0x76, // push0
0x81, 0x00, // lag 00
0x4a, 0x06, // send 06 - ego::put(0)
0x35, 0x02, // ldi 02
0x65, 0x1c, // aTop 1c (set timer to 2 seconds)
0x33, 0x0e, // jmp [end of method]
0x3c, // dup --- next state check target
0x35, 0x01, // ldi 01
0x1a, // eq?
0x31, 0x08, // bnt [end of method]
0x39, SIG_SELECTOR8(dispose), // pushi "dispose"
0x76, // push0
0x72, SIG_UINT16(0x0088), // lofsa 0088
0x4a, 0x04, // send 04 - locker::dispose
SIG_END
};
static const uint16 pq1vgaPatchPutGunInLockerBug[] = {
PATCH_ADDTOOFFSET(+3),
0x31, 0x1c, // bnt [next state check]
PATCH_ADDTOOFFSET(+22),
0x35, 0x02, // ldi 02
0x65, 0x1c, // aTop 1c (set timer to 2 seconds)
0x33, 0x17, // jmp [end of method]
0x3c, // dup --- next state check target
0x35, 0x01, // ldi 01
0x1a, // eq?
0x31, 0x11, // bnt [end of method]
0x38, PATCH_SELECTOR16(put), // pushi "put"
0x78, // push1
0x76, // push0
0x81, 0x00, // lag 00
0x4a, 0x06, // send 06 - ego::put(0)
PATCH_END
};
// When restoring a saved game, which was made while driving around,
// the game didn't redraw the map. This also happened in Sierra SCI.
//
// The map is a picture resource and drawn over the main picture.
// This is called an "overlay" in SCI. This wasn't implemented properly.
// We fix it by actually implementing it properly.
//
// Applies to at least: English floppy
// Responsible method: rm500::init, changeOverlay::changeState (script 500)
// Fixes bug: #5016
static const uint16 pq1vgaSignatureMapSaveRestoreBug[] = {
0x39, 0x04, // pushi 04
SIG_ADDTOOFFSET(+2), // skip either lsg global[f9] or pTos register
SIG_MAGICDWORD,
0x38, 0x64, 0x80, // pushi 8064
0x76, // push0
0x89, 0x28, // lsg global[28]
0x43, 0x08, 0x08, // kDrawPic (8)
SIG_END
};
static const uint16 pq1vgaPatchMapSaveRestoreBug[] = {
0x38, PATCH_SELECTOR16(overlay), // pushi "overlay"
0x7a, // push2
0x89, 0xf9, // lsg global[f9]
0x39, 0x64, // pushi 64 (no transition)
0x81, 0x02, // lag global[02] (current room object)
0x4a, 0x08, // send 08
0x18, // not (waste byte)
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry pq1vgaSignatures[] = {
{ true, 152, "getting stuck while briefing is about to start", 1, pq1vgaSignatureBriefingGettingStuck, pq1vgaPatchBriefingGettingStuck },
{ true, 341, "put gun in locker bug", 1, pq1vgaSignaturePutGunInLockerBug, pq1vgaPatchPutGunInLockerBug },
{ true, 500, "map save/restore bug", 2, pq1vgaSignatureMapSaveRestoreBug, pq1vgaPatchMapSaveRestoreBug },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// At the healer's house there is a bird's nest up on the tree.
// The player can throw rocks at it until it falls to the ground.
// The hero will then grab the item, that is in the nest.
//
// When running is active, the hero will not reach the actual destination
// and because of that, the game will get stuck.
//
// We just change the coordinate of the destination slightly, so that walking,
// sneaking and running work.
//
// This bug was fixed by Sierra at least in the Japanese PC-9801 version.
// Applies to at least: English floppy (1.000, 1.012)
// Responsible method: pickItUp::changeState (script 54)
// Fixes bug: #6407
static const uint16 qfg1egaSignatureThrowRockAtNest[] = {
0x4a, 0x04, // send 04 (nest::x)
0x36, // push
SIG_MAGICDWORD,
0x35, 0x0f, // ldi 0f (15d)
0x02, // add
0x36, // push
SIG_END
};
static const uint16 qfg1egaPatchThrowRockAtNest[] = {
PATCH_ADDTOOFFSET(+3),
0x35, 0x12, // ldi 12 (18d)
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry qfg1egaSignatures[] = {
{ true, 54, "throw rock at nest while running", 1, qfg1egaSignatureThrowRockAtNest, qfg1egaPatchThrowRockAtNest },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// script 215 of qfg1vga pointBox::doit actually processes button-presses
// during fighting with monsters. It strangely also calls kGetEvent. Because
// the main User::doit also calls kGetEvent it's pure luck, where the event
// will hit. It's the same issue as in freddy pharkas and if you turn dos-box
// to max cycles, sometimes clicks also won't get registered. Strangely it's
// not nearly as bad as in our sci, but these differences may be caused by
// timing.
// We just reuse the active event, thus removing the duplicate kGetEvent call.
// Applies to at least: English floppy
// Responsible method: pointBox::doit
static const uint16 qfg1vgaSignatureFightEvents[] = {
0x39, SIG_MAGICDWORD,
SIG_SELECTOR8(new), // pushi "new"
0x76, // push0
0x51, 0x07, // class Event
0x4a, 0x04, // send 04 - call Event::new
0xa5, 0x00, // sat temp[0]
0x78, // push1
0x76, // push0
0x4a, 0x04, // send 04 - read Event::x
0xa5, 0x03, // sat temp[3]
0x76, // push0 (selector y)
0x76, // push0
0x85, 0x00, // lat temp[0]
0x4a, 0x04, // send 04 - read Event::y
0x36, // push
0x35, 0x0a, // ldi 0a
0x04, // sub (poor mans localization) ;-)
SIG_END
};
static const uint16 qfg1vgaPatchFightEvents[] = {
0x38, PATCH_SELECTOR16(curEvent), // pushi 15a (selector curEvent)
0x76, // push0
0x81, 0x50, // lag global[50]
0x4a, 0x04, // send 04 - read User::curEvent -> needs one byte more than previous code
0xa5, 0x00, // sat temp[0]
0x78, // push1
0x76, // push0
0x4a, 0x04, // send 04 - read Event::x
0xa5, 0x03, // sat temp[3]
0x76, // push0 (selector y)
0x76, // push0
0x85, 0x00, // lat temp[0]
0x4a, 0x04, // send 04 - read Event::y
0x39, 0x00, // pushi 00
0x02, // add (waste 3 bytes) - we don't need localization, User::doit has already done it
PATCH_END
};
// Script 814 of QFG1VGA is responsible for showing dialogs. However, the death
// screen message shown when the hero dies in room 64 (ghost room) is too large
// (254 chars long). Since the window header and main text are both stored in
// temp space, this is an issue, as the scripts read the window header, then the
// window text, which erases the window header text because of its length. To
// fix that, we allocate more temp space and move the pointer used for the
// window header a little bit, wherever it's used in script 814.
// Fixes bug: #6139.
// Patch 1: Increase temp space
static const uint16 qfg1vgaSignatureTempSpace[] = {
SIG_MAGICDWORD,
0x3f, 0xba, // link 0xba
0x87, 0x00, // lap 0
SIG_END
};
static const uint16 qfg1vgaPatchTempSpace[] = {
0x3f, 0xca, // link 0xca
PATCH_END
};
// Patch 2: Move the pointer used for the window header a little bit
static const uint16 qfg1vgaSignatureDialogHeader[] = {
SIG_MAGICDWORD,
0x5b, 0x04, 0x80, // lea temp[0x80]
0x36, // push
SIG_END
};
static const uint16 qfg1vgaPatchDialogHeader[] = {
0x5b, 0x04, 0x90, // lea temp[0x90]
PATCH_END
};
// When clicking on the crusher in room 331, Ego approaches him to talk to him,
// an action that is handled by moveToCrusher::changeState in script 331. The
// scripts set Ego to move close to the crusher, but when Ego is sneaking instead
// of walking, the target coordinates specified by script 331 are never reached,
// as Ego is making larger steps, and never reaches the required spot. This is an
// edge case that can occur when Ego is set to sneak. Normally, when clicking on
// the crusher, ego is supposed to move close to position 79, 165. We change it
// to 85, 165, which is not an edge case thus the freeze is avoided.
// Fixes bug: #6180
static const uint16 qfg1vgaSignatureMoveToCrusher[] = {
SIG_MAGICDWORD,
0x51, 0x1f, // class Motion
0x36, // push
0x39, 0x4f, // pushi 4f (79 - x)
0x38, SIG_UINT16(0x00a5), // pushi 00a5 (165 - y)
0x7c, // pushSelf
SIG_END
};
static const uint16 qfg1vgaPatchMoveToCrusher[] = {
PATCH_ADDTOOFFSET(+3),
0x39, 0x55, // pushi 55 (85 - x)
PATCH_END
};
// Same pathfinding bug as above, where Ego is set to move to an impossible
// spot when sneaking. In GuardsTrumpet::changeState, we change the final
// location where Ego is moved from 111, 111 to 116, 116.
// target coordinate is really problematic here.
//
// 114, 114 works when the speed slider is all the way up, but doesn't work
// when the speed slider is not.
//
// It seems that this bug was fixed by Sierra for the Macintosh version.
//
// Applies to at least: English PC floppy
// Responsible method: GuardsTrumpet::changeState(8)
// Fixes bug: #6248
static const uint16 qfg1vgaSignatureMoveToCastleGate[] = {
0x51, SIG_ADDTOOFFSET(+1), // class MoveTo
SIG_MAGICDWORD,
0x36, // push
0x39, 0x6f, // pushi 6f (111d)
0x3c, // dup (111d) - coordinates 111, 111
0x7c, // pushSelf
SIG_END
};
static const uint16 qfg1vgaPatchMoveToCastleGate[] = {
PATCH_ADDTOOFFSET(+3),
0x39, 0x74, // pushi 74 (116d), changes coordinates to 116, 116
PATCH_END
};
// Typo in the original Sierra scripts
// Looking at a cheetaur resulted in a text about a Saurus Rex
// The code treats both monster types the same.
// Applies to at least: English floppy
// Responsible method: smallMonster::doVerb
// Fixes bug #6249
static const uint16 qfg1vgaSignatureCheetaurDescription[] = {
SIG_MAGICDWORD,
0x34, SIG_UINT16(0x01b8), // ldi 01b8
0x1a, // eq?
0x31, 0x16, // bnt 16
0x38, SIG_SELECTOR16(say), // pushi 0127h (selector "say")
0x39, 0x06, // pushi 06
0x39, 0x03, // pushi 03
0x78, // push1
0x39, 0x12, // pushi 12 -> monster type Saurus Rex
SIG_END
};
static const uint16 qfg1vgaPatchCheetaurDescription[] = {
PATCH_ADDTOOFFSET(+14),
0x39, 0x11, // pushi 11 -> monster type cheetaur
PATCH_END
};
// In the "funny" room (Yorick's room) in QfG1 VGA, pulling the chain and
// then pressing the button on the right side of the room results in
// a broken game. This also happens in SSCI.
// Problem is that the Sierra programmers forgot to disable the door, that
// gets opened by pulling the chain. So when ego falls down and then
// rolls through the door, one method thinks that the player walks through
// it and acts that way and the other method is still doing the roll animation.
// Local 5 of that room is a timer, that closes the door (object door11).
// Setting it to 1 during happyFace::changeState(0) stops door11::doit from
// calling goTo6::init, so the whole issue is stopped from happening.
//
// Applies to at least: English floppy
// Responsible method: happyFace::changeState, door11::doit
// Fixes bug #6181
static const uint16 qfg1vgaSignatureFunnyRoomFix[] = {
0x65, 0x14, // aTop 14 (state)
0x36, // push
0x3c, // dup
0x35, 0x00, // ldi 00
0x1a, // eq?
0x30, SIG_UINT16(0x0025), // bnt 0025 [-> next state]
SIG_MAGICDWORD,
0x35, 0x01, // ldi 01
0xa3, 0x4e, // sal 4e
SIG_END
};
static const uint16 qfg1vgaPatchFunnyRoomFix[] = {
PATCH_ADDTOOFFSET(+3),
0x2e, PATCH_UINT16(0x0029), // bt 0029 [-> next state] - saves 4 bytes
0x35, 0x01, // ldi 01
0xa3, 0x4e, // sal 4e
0xa3, 0x05, // sal 05 (sets local 5 to 1)
0xa3, 0x05, // and again to make absolutely sure (actually to waste 2 bytes)
PATCH_END
};
// The player is able to buy (and also steal) potions in the healer's hut
// Strangely Sierra delays the actual buy/get potion code for 60 ticks
// Why they did that is unknown. The code is triggered anyway only after
// the relevant dialog boxes are closed.
//
// This delay causes problems in case the user quickly enters the inventory.
// That's why we change the amount of ticks to 1, so that the remaining states
// are executed right after the dialog boxes are closed.
//
// Applies to at least: English floppy
// Responsible method: cueItScript::changeState
// Fixes bug #6706
static const uint16 qfg1vgaSignatureHealerHutNoDelay[] = {
0x65, 0x14, // aTop 14 (state)
0x36, // push
0x3c, // dup
0x35, 0x00, // ldi 00
0x1a, // eq?
0x31, 0x07, // bnt 07 [-> next state]
SIG_MAGICDWORD,
0x35, 0x3c, // ldi 3c (60 ticks)
0x65, 0x20, // aTop ticks
0x32, // jmp [-> end of method]
SIG_END
};
static const uint16 qfg1vgaPatchHealerHutNoDelay[] = {
PATCH_ADDTOOFFSET(+9),
0x35, 0x01, // ldi 01 (1 tick only, so that execution will resume as soon as dialog box is closed)
PATCH_END
};
// When following the white stag, you can actually enter the 2nd room from the mushroom/fairy location,
// which results in ego entering from the top. When you then throw a dagger at the stag, one animation
// frame will stay on screen, because of a script bug.
//
// Applies to at least: English floppy, Mac floppy
// Responsible method: stagHurt::changeState
// Fixes bug #6135
static const uint16 qfg1vgaSignatureWhiteStagDagger[] = {
0x87, 0x01, // lap param[1]
0x65, 0x14, // aTop state
0x36, // push
0x3c, // dup
0x35, 0x00, // ldi 0
0x1a, // eq?
0x31, 0x16, // bnt [next parameter check]
0x76, // push0
0x45, 0x02, 0x00, // callb export 2 from script 0, 0
SIG_MAGICDWORD,
0x38, SIG_SELECTOR16(say), // pushi 0127h (selector "say")
0x39, 0x05, // pushi 05
0x39, 0x03, // pushi 03
0x39, 0x51, // pushi 51h
0x76, // push0
0x76, // push0
0x7c, // pushSelf
0x81, 0x5b, // lag global[5Bh] -> qg1Messager
0x4a, 0x0e, // send 0Eh -> qg1Messager::say(3, 51h, 0, 0, stagHurt)
0x33, 0x12, // jmp -> [ret]
0x3c, // dup
0x35, 0x01, // ldi 1
0x1a, // eq?
0x31, 0x0c, // bnt [ret]
0x38, // pushi...
SIG_ADDTOOFFSET(+11),
0x3a, // toss
0x48, // ret
SIG_END
};
static const uint16 qfg1vgaPatchWhiteStagDagger[] = {
PATCH_ADDTOOFFSET(+4),
0x2f, 0x05, // bt [next check] (state != 0)
// state = 0 code
0x35, 0x01, // ldi 1
0x65, 0x1a, // aTop cycles
0x48, // ret
0x36, // push
0x35, 0x01, // ldi 1
0x1a, // eq?
0x31, 0x16, // bnt [state = 2 code]
// state = 1 code
0x76, // push0
0x45, 0x02, 0x00, // callb export 2 from script 0, 0
0x38, PATCH_SELECTOR16(say), // pushi 0127h (selector "say")
0x39, 0x05, // pushi 05
0x39, 0x03, // pushi 03
0x39, 0x51, // pushi 51h
0x76, // push0
0x76, // push0
0x7c, // pushSelf
0x81, 0x5b, // lag global[5Bh] -> qg1Messager
0x4a, 0x0e, // send 0Eh -> qg1Messager::say(3, 51h, 0, 0, stagHurt)
0x48, // ret
// state = 2 code
PATCH_ADDTOOFFSET(+13),
0x48, // ret (remove toss)
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry qfg1vgaSignatures[] = {
{ true, 41, "moving to castle gate", 1, qfg1vgaSignatureMoveToCastleGate, qfg1vgaPatchMoveToCastleGate },
{ true, 55, "healer's hut, no delay for buy/steal", 1, qfg1vgaSignatureHealerHutNoDelay, qfg1vgaPatchHealerHutNoDelay },
{ true, 77, "white stag dagger throw animation glitch", 1, qfg1vgaSignatureWhiteStagDagger, qfg1vgaPatchWhiteStagDagger },
{ true, 96, "funny room script bug fixed", 1, qfg1vgaSignatureFunnyRoomFix, qfg1vgaPatchFunnyRoomFix },
{ true, 210, "cheetaur description fixed", 1, qfg1vgaSignatureCheetaurDescription, qfg1vgaPatchCheetaurDescription },
{ true, 215, "fight event issue", 1, qfg1vgaSignatureFightEvents, qfg1vgaPatchFightEvents },
{ true, 216, "weapon master event issue", 1, qfg1vgaSignatureFightEvents, qfg1vgaPatchFightEvents },
{ true, 331, "moving to crusher", 1, qfg1vgaSignatureMoveToCrusher, qfg1vgaPatchMoveToCrusher },
{ true, 814, "window text temp space", 1, qfg1vgaSignatureTempSpace, qfg1vgaPatchTempSpace },
{ true, 814, "dialog header offset", 3, qfg1vgaSignatureDialogHeader, qfg1vgaPatchDialogHeader },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// This is a very complicated bug.
// When the player encounters an enemy in the desert while riding a saurus and later
// tries to get back on it by entering "ride", the game will not give control back
// to the player.
//
// This is caused by script mountSaurus getting triggered twice.
// Once by entering the command "ride" and then a second time by a proximity check.
//
// Both are calling mountSaurus::init() in script 20, this one disables controls
// then mountSaurus::changeState() from script 660 is triggered
// mountSaurus::changeState(5) finally calls mountSaurus::dispose(), which is also in script 20
// which finally re-enables controls
//
// A fix is difficult to implement. The code in script 20 is generic and used by multiple objects
//
// Originally I decided to change the responsible globals (66h and A1h) during mountSaurus::changeState(5).
// This worked as far as for controls, but mountSaurus::init changes a few selectors of ego as well, which
// won't get restored in that situation, which then messes up room changes and other things.
//
// I have now decided to change sheepScript::changeState(2) in script 665 instead.
//
// This fix could cause issues in case there is a cutscene, where ego is supposed to get onto the saurus using
// sheepScript.
//
// Applies to at least: English PC Floppy, English Amiga Floppy
// Responsible method: mountSaurus::changeState(), mountSaurus::init(), mountSaurus::dispose()
// Fixes bug: #5156
static const uint16 qfg2SignatureSaurusFreeze[] = {
0x3c, // dup
0x35, 0x02, // ldi 5
SIG_MAGICDWORD,
0x1a, // eq?
0x30, SIG_UINT16(0x0043), // bnt [ret]
0x76, // push0
SIG_ADDTOOFFSET(+61), // skip to dispose code
0x39, SIG_SELECTOR8(dispose), // pushi "dispose"
0x76, // push0
0x54, 0x04, // self 04
SIG_END
};
static const uint16 qfg2PatchSaurusFreeze[] = {
0x81, 0x66, // lag 66h
0x2e, SIG_UINT16(0x0040), // bt [to dispose code]
0x35, 0x00, // ldi 0 (waste 2 bytes)
PATCH_END
};
// Script 944 in QFG2 contains the FileSelector system class, used in the
// character import screen. This gets incorrectly called constantly, whenever
// the user clicks on a button in order to refresh the file list. This was
// probably done because it would be easier to refresh the list whenever the
// user inserted a new floppy disk, or changed directory. The problem is that
// the script has a bug, and it invalidates the text of the entries in the
// list. This has a high probability of breaking, as the user could change the
// list very quickly, or the garbage collector could kick in and remove the
// deleted entries. We don't allow the user to change the directory, thus the
// contents of the file list are constant, so we can avoid the constant file
// and text entry refreshes whenever a button is pressed, and prevent possible
// crashes because of these constant quick object reallocations.
// Fixes bug: #5096
static const uint16 qfg2SignatureImportDialog[] = {
0x63, SIG_MAGICDWORD, 0x20, // pToa text
0x30, SIG_UINT16(0x000b), // bnt [next state]
0x7a, // push2
0x39, 0x03, // pushi 03
0x36, // push
0x43, 0x72, 0x04, // callk Memory 4
0x35, 0x00, // ldi 00
0x65, 0x20, // aTop text
SIG_END
};
static const uint16 qfg2PatchImportDialog[] = {
PATCH_ADDTOOFFSET(+5),
0x48, // ret
PATCH_END
};
// Quest For Glory 2 character import doesn't properly set the character type
// in versions 1.102 and below, which makes all importerted characters a fighter.
//
// Sierra released an official patch. However the fix is really easy to
// implement on our side, so we also patch the flaw in here in case we find it.
//
// The version released on GOG is 1.102 without this patch applied, so us
// patching it is quite useful.
//
// Applies to at least: English Floppy
// Responsible method: importHero::changeState
// Fixes bug: inside versions 1.102 and below
static const uint16 qfg2SignatureImportCharType[] = {
0x35, 0x04, // ldi 04
0x90, SIG_UINT16(0x023b), // lagi global[23Bh]
0x02, // add
0x36, // push
0x35, 0x04, // ldi 04
0x08, // div
0x36, // push
0x35, 0x0d, // ldi 0D
0xb0, SIG_UINT16(0x023b), // sagi global[023Bh]
0x8b, 0x1f, // lsl local[1Fh]
0x35, 0x05, // ldi 05
SIG_MAGICDWORD,
0xb0, SIG_UINT16(0x0150), // sagi global[0150h]
0x8b, 0x02, // lsl local[02h]
SIG_END
};
static const uint16 qfg2PatchImportCharType[] = {
0x80, PATCH_UINT16(0x023f), // lag global[23Fh] <-- patched to save 2 bytes
0x02, // add
0x36, // push
0x35, 0x04, // ldi 04
0x08, // div
0x36, // push
0xa8, SIG_UINT16(0x0248), // ssg global[0248h] <-- patched to save 2 bytes
0x8b, 0x1f, // lsl local[1Fh]
0xa8, SIG_UINT16(0x0155), // ssg global[0155h] <-- patched to save 2 bytes
// new code, directly from the official sierra patch file
0x83, 0x01, // lal local[01h]
0xa1, 0xbb, // sag global[BBh]
0xa1, 0x73, // sag global[73h]
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry qfg2Signatures[] = {
{ true, 665, "getting back on saurus freeze fix", 1, qfg2SignatureSaurusFreeze, qfg2PatchSaurusFreeze },
{ true, 805, "import character type fix", 1, qfg2SignatureImportCharType, qfg2PatchImportCharType },
{ true, 944, "import dialog continuous calls", 1, qfg2SignatureImportDialog, qfg2PatchImportDialog },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// Patch for the import screen in QFG3, same as the one for QFG2 above
static const uint16 qfg3SignatureImportDialog[] = {
0x63, SIG_MAGICDWORD, 0x2a, // pToa text
0x31, 0x0b, // bnt [next state]
0x7a, // push2
0x39, 0x03, // pushi 03
0x36, // push
0x43, 0x72, 0x04, // callk Memory 4
0x35, 0x00, // ldi 00
0x65, 0x2a, // aTop text
SIG_END
};
static const uint16 qfg3PatchImportDialog[] = {
PATCH_ADDTOOFFSET(+4),
0x48, // ret
PATCH_END
};
// ===========================================================================
// Patch for the Woo dialog option in Uhura's conversation.
// Problem: The Woo dialog option (0xffb5) is negative, and therefore
// treated as an option opening a submenu. This leads to uhuraTell::doChild
// being called, which calls hero::solvePuzzle and then proceeds with
// Teller::doChild to open the submenu. However, there is no actual submenu
// defined for option -75 since -75 does not show up in uhuraTell::keys.
// This will cause Teller::doChild to run out of bounds while scanning through
// uhuraTell::keys.
// Strategy: there is another conversation option in uhuraTell::doChild calling
// hero::solvePuzzle (0xfffc) which does a ret afterwards without going to
// Teller::doChild. We jump to this call of hero::solvePuzzle to get that same
// behaviour.
// Applies to at least: English, German, Italian, French, Spanish Floppy
// Responsible method: unknown
// Fixes bug: #5172
static const uint16 qfg3SignatureWooDialog[] = {
SIG_MAGICDWORD,
0x67, 0x12, // pTos 12 (query)
0x35, 0xb6, // ldi b6
0x1a, // eq?
0x2f, 0x05, // bt 05
0x67, 0x12, // pTos 12 (query)
0x35, 0x9b, // ldi 9b
0x1a, // eq?
0x31, 0x0c, // bnt 0c
0x38, SIG_SELECTOR16(solvePuzzle), // pushi 0297
0x7a, // push2
0x38, SIG_UINT16(0x010c), // pushi 010c
0x7a, // push2
0x81, 0x00, // lag 00
0x4a, 0x08, // send 08
0x67, 0x12, // pTos 12 (query)
0x35, 0xb5, // ldi b5
SIG_END
};
static const uint16 qfg3PatchWooDialog[] = {
PATCH_ADDTOOFFSET(+0x29),
0x33, 0x11, // jmp to 0x6a2, the call to hero::solvePuzzle for 0xFFFC
PATCH_END
};
// Alternative version, with uint16 offsets, for GOG release of QfG3.
static const uint16 qfg3SignatureWooDialogAlt[] = {
SIG_MAGICDWORD,
0x67, 0x12, // pTos 12 (query)
0x35, 0xb6, // ldi b6
0x1a, // eq?
0x2e, SIG_UINT16(0x0005), // bt 05
0x67, 0x12, // pTos 12 (query)
0x35, 0x9b, // ldi 9b
0x1a, // eq?
0x30, SIG_UINT16(0x000c), // bnt 0c
0x38, SIG_SELECTOR16(solvePuzzle), // pushi 0297
0x7a, // push2
0x38, SIG_UINT16(0x010c), // pushi 010c
0x7a, // push2
0x81, 0x00, // lag 00
0x4a, 0x08, // send 08
0x67, 0x12, // pTos 12 (query)
0x35, 0xb5, // ldi b5
SIG_END
};
static const uint16 qfg3PatchWooDialogAlt[] = {
PATCH_ADDTOOFFSET(+0x2C),
0x33, 0x12, // jmp to 0x708, the call to hero::solvePuzzle for 0xFFFC
PATCH_END
};
// When exporting characters at the end of Quest for Glory 3, the underlying
// code has issues with values, that are above 9999.
// For further study: https://github.com/Blazingstix/QFGImporter/blob/master/QFGImporter/QFGImporter/QFG3.txt
//
// If a value is above 9999, parts or even the whole character file will get corrupted.
//
// We are fixing the code because of that. We are patching code, that is calculating the checksum
// and add extra code to lower such values to 9999.
//
// Applies to at least: English, French, German, Italian, Spanish floppy
// Responsible method: saveHero::changeState
// Fixes bug #6807
static const uint16 qfg3SignatureExportChar[] = {
0x35, SIG_ADDTOOFFSET(+1), // ldi 00 / ldi 01 (2 loops, we patch both)
0xa5, 0x00, // sat temp[0] [contains index to data]
0x8d, 0x00, // lst temp[0]
SIG_MAGICDWORD,
0x35, 0x2c, // ldi 2c
0x22, // lt? [index above or equal 2Ch (44d)?
0x31, 0x23, // bnt [exit loop]
// from this point it's actually useless code, maybe a sci compiler bug
0x8d, 0x00, // lst temp[0]
0x35, 0x01, // ldi 01
0x02, // add
0x9b, 0x00, // lsli local[0] ---------- load local[0 + ACC] onto stack
0x8d, 0x00, // lst temp[0]
0x35, 0x01, // ldi 01
0x02, // add
0xb3, 0x00, // sali local[0] ---------- save stack to local[0 + ACC]
// end of useless code
0x8b, SIG_ADDTOOFFSET(+1), // lsl local[36h/37h] ---- load local[36h/37h] onto stack
0x8d, 0x00, // lst temp[0]
0x35, 0x01, // ldi 01
0x02, // add
0x93, 0x00, // lali local[0] ---------- load local[0 + ACC] into ACC
0x02, // add -------------------- add ACC + stack and put into ACC
0xa3, SIG_ADDTOOFFSET(+1), // sal local[36h/37h] ---- save ACC to local[36h/37h]
0x8d, 0x00, // lst temp[0] ------------ temp[0] to stack
0x35, 0x02, // ldi 02
0x02, // add -------------------- add 2 to stack
0xa5, 0x00, // sat temp[0] ------------ save ACC to temp[0]
0x33, 0xd6, // jmp [loop]
SIG_END
};
static const uint16 qfg3PatchExportChar[] = {
PATCH_ADDTOOFFSET(+11),
0x85, 0x00, // lat temp[0]
0x9b, 0x01, // lsli local[0] + 1 ------ load local[ ACC + 1] onto stack
0x3c, // dup
0x34, PATCH_UINT16(0x2710), // ldi 2710h (10000d)
0x2c, // ult? ------------------- is value smaller than 10000?
0x2f, 0x0a, // bt [jump over]
0x3a, // toss
0x38, PATCH_UINT16(0x270f), // pushi 270fh (9999d)
0x3c, // dup
0x85, 0x00, // lat temp[0]
0xba, PATCH_UINT16(0x0001), // ssli local[0] + 1 ------ save stack to local[ ACC + 1] (UINT16 to waste 1 byte)
// jump offset
0x83, PATCH_GETORIGINALBYTE(+26), // lal local[37h/36h] ---- load local[37h/36h] into ACC
0x02, // add -------------------- add local[37h/36h] + data value
PATCH_END
};
// Quest for Glory 3 doesn't properly import the character type of Quest for Glory 1 character files.
// This issue was never addressed. It's caused by Sierra reading data directly from the local
// area, which is only set by Quest For Glory 2 import data, instead of reading the properly set global variable.
//
// We fix it, by also directly setting the local variable.
//
// Applies to at least: English, French, German, Italian, Spanish floppy
// Responsible method: importHero::changeState(4)
static const uint16 qfg3SignatureImportQfG1Char[] = {
SIG_MAGICDWORD,
0x82, SIG_UINT16(0x0238), // lal local[0x0238]
0xa0, SIG_UINT16(0x016a), // sag global[0x016a]
0xa1, 0x7d, // sag global[0x7d]
0x35, 0x01, // ldi 01
0x99, 0xfb, // lsgi global[0xfb]
SIG_END
};
static const uint16 qfg3PatchImportQfG1Char[] = {
PATCH_ADDTOOFFSET(+8),
0xa3, 0x01, // sal 01 -> also set local[01]
0x89, 0xfc, // lsg global[0xFD] -> save 2 bytes
PATCH_END
};
// The chief in his hut (room 640) is not drawn using the correct priority,
// which results in a graphical glitch. This is a game bug and also happens
// in Sierra's SCI. We adjust priority accordingly to fix it.
//
// Applies to at least: English, French, German, Italian, Spanish floppy
// Responsible method: heap in script 640
// Fixes bug #5173
static const uint16 qfg3SignatureChiefPriority[] = {
SIG_MAGICDWORD,
SIG_UINT16(0x0002), // yStep 0x0002
SIG_UINT16(0x0281), // view 0x0281
SIG_UINT16(0x0000), // loop 0x0000
SIG_UINT16(0x0000), // cel 0x0000
SIG_UINT16(0x0000), // priority 0x0000
SIG_UINT16(0x0000), // underbits 0x0000
SIG_UINT16(0x1000), // signal 0x1000
SIG_END
};
static const uint16 qfg3PatchChiefPriority[] = {
PATCH_ADDTOOFFSET(+8),
PATCH_UINT16(0x000A), // new priority 0x000A (10d)
PATCH_ADDTOOFFSET(+2),
PATCH_UINT16(0x1010), // signal 0x1010 (set fixed priority flag)
PATCH_END
};
// Partly WORKAROUND:
// During combat, the game is not properly throttled. That's because the game uses
// an inner loop for combat and does not iterate through the main loop.
// It also doesn't call kGameIsRestarting. This may get fixed properly at some point
// by rewriting the speed throttler.
//
// Additionally Sierra set the cycle speed of the hero to 0. Which explains
// why the actions of the hero are so incredibly fast. This issue also happened
// in the original interpreter, when the computer was too powerful.
//
// Applies to at least: English, French, German, Italian, Spanish PC floppy
// Responsible method: combatControls::dispatchEvent (script 550) + WarriorObj in heap
// Fixes bug #6247
static const uint16 qfg3SignatureCombatSpeedThrottling1[] = {
0x31, 0x0d, // bnt [skip code]
SIG_MAGICDWORD,
0x89, 0xd2, // lsg global[D2h]
0x35, 0x00, // ldi 0
0x1e, // gt?
0x31, 0x06, // bnt [skip code]
0xe1, 0xd2, // -ag global[D2h] (jump skips over this)
0x81, 0x58, // lag global[58h]
0xa3, 0x01, // sal local[01]
SIG_END
};
static const uint16 qfg3PatchCombatSpeedThrottling1[] = {
0x80, 0xd2, // lsg global[D2h]
0x14, // or
0x31, 0x06, // bnt [skip code] - saves 4 bytes
0xe1, 0xd2, // -ag global[D2h]
0x81, 0x58, // lag global[58h]
0xa3, 0x01, // sal local[01] (jump skips over this)
// our code
0x76, // push0
0x43, 0x2c, 0x00, // callk GameIsRestarting <-- add this so that our speed throttler is triggered
PATCH_END
};
static const uint16 qfg3SignatureCombatSpeedThrottling2[] = {
SIG_MAGICDWORD,
SIG_UINT16(12), // priority 12
SIG_UINT16(0), // underbits 0
SIG_UINT16(0x4010), // signal 4010h
SIG_ADDTOOFFSET(+18),
SIG_UINT16(0), // scaleSignal 0
SIG_UINT16(128), // scaleX
SIG_UINT16(128), // scaleY
SIG_UINT16(128), // maxScale
SIG_UINT16(0), // cycleSpeed
SIG_END
};
static const uint16 qfg3PatchCombatSpeedThrottling2[] = {
PATCH_ADDTOOFFSET(+32),
PATCH_UINT16(5), // set cycleSpeed to 5
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry qfg3Signatures[] = {
{ true, 944, "import dialog continuous calls", 1, qfg3SignatureImportDialog, qfg3PatchImportDialog },
{ true, 440, "dialog crash when asking about Woo", 1, qfg3SignatureWooDialog, qfg3PatchWooDialog },
{ true, 440, "dialog crash when asking about Woo", 1, qfg3SignatureWooDialogAlt, qfg3PatchWooDialogAlt },
{ true, 52, "export character save bug", 2, qfg3SignatureExportChar, qfg3PatchExportChar },
{ true, 54, "import character from QfG1 bug", 1, qfg3SignatureImportQfG1Char, qfg3PatchImportQfG1Char },
{ true, 640, "chief in hut priority fix", 1, qfg3SignatureChiefPriority, qfg3PatchChiefPriority },
{ true, 550, "combat speed throttling script", 1, qfg3SignatureCombatSpeedThrottling1, qfg3PatchCombatSpeedThrottling1 },
{ true, 550, "combat speed throttling heap", 1, qfg3SignatureCombatSpeedThrottling2, qfg3PatchCombatSpeedThrottling2 },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// script 298 of sq4/floppy has an issue. object "nest" uses another property
// which isn't included in property count. We return 0 in that case, the game
// adds it to nest::x. The problem is that the script also checks if x exceeds
// we never reach that of course, so the pterodactyl-flight will go endlessly
// we could either calculate property count differently somehow fixing this
// but I think just patching it out is cleaner.
// Fixes bug: #5093
static const uint16 sq4FloppySignatureEndlessFlight[] = {
0x39, 0x04, // pushi 04 (selector x)
SIG_MAGICDWORD,
0x78, // push1
0x67, 0x08, // pTos 08 (property x)
0x63, SIG_ADDTOOFFSET(+1), // pToa (invalid property) - 44h for English floppy, 4ch for German floppy
0x02, // add
SIG_END
};
static const uint16 sq4FloppyPatchEndlessFlight[] = {
PATCH_ADDTOOFFSET(+5),
0x35, 0x03, // ldi 03 (which would be the content of the property)
PATCH_END
};
// Floppy-only: When the player tries to throw something at the sequel police in Space Quest X (zero g zone),
// the game will first show a textbox and then cause a signature mismatch in ScummVM/
// crash the whole game in Sierra SCI/display garbage (the latter when the Sierra "patch" got applied).
//
// All of this is caused by a typo in the script. Right after the code for showing the textbox,
// there is more similar code for showing another textbox, but without a pointer to the text.
// This has to be a typo, because there is no unused text to be found within that script.
//
// Sierra's "patch" didn't include a proper fix (as in a modified script). Instead they shipped a dummy
// text resource, which somewhat "solved" the issue in Sierra SCI, but it still showed another textbox
// with garbage in it. Funnily Sierra must have known that, because that new text resource contains:
// "Hi! This is a kludge!"
//
// We properly fix it by removing the faulty code.
// Applies to at least: English Floppy
// Responsible method: sp1::doVerb
// Fixes bug: found by SCI developer
static const uint16 sq4FloppySignatureThrowStuffAtSequelPoliceBug[] = {
0x47, 0xff, 0x00, 0x02, // call export 255_0, 2
0x3a, // toss
SIG_MAGICDWORD,
0x36, // push
0x47, 0xff, 0x00, 0x02, // call export 255_0, 2
SIG_END
};
static const uint16 sq4FloppyPatchThrowStuffAtSequelPoliceBug[] = {
PATCH_ADDTOOFFSET(+5),
0x48, // ret
PATCH_END
};
// Right at the start of Space Quest 4 CD, when walking up in the first room, ego will
// immediately walk down just after entering the upper room.
//
// This is caused by the scripts setting ego's vertical coordinate to 189 (BDh), which is the
// trigger in rooms to walk to the room below it. Sometimes this isn't triggered, because
// the scripts also initiate a motion to vertical coordinate 188 (BCh). When you lower the game's speed,
// this bug normally always triggers. And it triggers of course also in the original interpreter.
//
// It doesn't happen in PC floppy, because nsRect is not the same as in CD.
//
// We fix it by setting ego's vertical coordinate to 188 and we also initiate a motion to 187.
//
// Applies to at least: English PC CD
// Responsible method: rm045::doit
// Fixes bug: #5468
static const uint16 sq4CdSignatureWalkInFromBelowRoom45[] = {
0x76, // push0
SIG_MAGICDWORD,
0x78, // push1
0x38, SIG_UINT16(0x00bd), // pushi 00BDh
0x38, SIG_ADDTOOFFSET(+2), // pushi [setMotion selector]
0x39, 0x03, // pushi 3
0x51, SIG_ADDTOOFFSET(+1), // class [MoveTo]
0x36, // push
0x78, // push1
0x76, // push0
0x81, 0x00, // lag global[0]
0x4a, 0x04, // send 04 -> get ego::x
0x36, // push
0x38, SIG_UINT16(0x00bc), // pushi 00BCh
SIG_END
};
static const uint16 sq4CdPatchWalkInFromBelowRoom45[] = {
PATCH_ADDTOOFFSET(+2),
0x38, PATCH_UINT16(0x00bc), // pushi 00BCh
PATCH_ADDTOOFFSET(+15),
0x38, PATCH_UINT16(0x00bb), // pushi 00BBh
PATCH_END
};
// It seems that Sierra forgot to set a script flag, when cleaning out the bank account
// in Space Quest 4 CD. This was probably caused by the whole bank account interaction
// getting a rewrite and polish in the CD version.
//
// Because of this bug, points for changing back clothes will not get awarded, which
// makes it impossible to get a perfect point score in the CD version of the game.
// The points are awarded by rm371::doit in script 371.
//
// We fix this. Bug also happened, when using the original interpreter.
// Bug does not happen for PC floppy.
//
// Attention: Some Let's Plays on youtube show that points are in fact awarded. Which is true.
// But those Let's Plays were actually created by playing a hacked Space Quest 4 version
// (which is part Floppy, part CD version - we consider it to be effectively pirated)
// and not the actual CD version of Space Quest 4.
// It's easy to identify - talkie + store called "Radio Shack" -> is hacked version.
//
// Applies to at least: English PC CD
// Responsible method: but2Script::changeState(2)
// Fixes bug: #6866
static const uint16 sq4CdSignatureGetPointsForChangingBackClothes[] = {
0x35, 0x02, // ldi 02
SIG_MAGICDWORD,
0x1a, // eq?
0x30, SIG_UINT16(0x006a), // bnt [state 3]
0x76,
SIG_ADDTOOFFSET(+46), // jump over "withdraw funds" code
0x33, 0x33, // jmp [end of state 2, set cycles code]
SIG_ADDTOOFFSET(+51), // jump over "clean bank account" code
0x35, 0x02, // ldi 02
0x65, 0x1a, // aTop cycles
0x33, 0x0b, // jmp [toss/ret]
0x3c, // dup
0x35, 0x03, // ldi 03
0x1a, // eq?
0x31, 0x05, // bnt [toss/ret]
SIG_END
};
static const uint16 sq4CdPatchGetPointsForChangingBackClothes[] = {
PATCH_ADDTOOFFSET(+3),
0x30, PATCH_UINT16(0x0070), // bnt [state 3]
PATCH_ADDTOOFFSET(+47), // "withdraw funds" code
0x33, 0x39, // jmp [end of state 2, set cycles code]
PATCH_ADDTOOFFSET(+51),
0x78, // push1
0x39, 0x1d, // ldi 1Dh
0x45, 0x07, 0x02, // call export 7 of script 0 (set flag) -> effectively sets global 73h, bit 2
0x35, 0x02, // ldi 02
0x65, 0x1c, // aTop cycles
0x33, 0x05, // jmp [toss/ret]
// check for state 3 code removed to save 6 bytes
PATCH_END
};
// For Space Quest 4 CD, Sierra added a pick up animation for Roger, when he picks up the rope.
//
// When the player is detected by the zombie right at the start of the game, while picking up the rope,
// scripts bomb out. This also happens, when using the original interpreter.
//
// This is caused by code, that's supposed to make Roger face the arriving drone.
// We fix it, by checking if ego::cycler is actually set before calling that code.
//
// Applies to at least: English PC CD
// Responsible method: droidShoots::changeState(3)
// Fixes bug: #6076
static const uint16 sq4CdSignatureGettingShotWhileGettingRope[] = {
0x35, 0x02, // ldi 02
0x65, 0x1a, // aTop cycles
0x32, SIG_UINT16(0x02fa), // jmp [end]
SIG_MAGICDWORD,
0x3c, // dup
0x35, 0x02, // ldi 02
0x1a, // eq?
0x31, 0x0b, // bnt [state 3 check]
0x76, // push0
0x45, 0x02, 0x00, // call export 2 of script 0 -> disable controls
0x35, 0x02, // ldi 02
0x65, 0x1a, // aTop cycles
0x32, SIG_UINT16(0x02e9), // jmp [end]
0x3c, // dup
0x35, 0x03, // ldi 03
0x1a, // eq?
0x31, 0x1e, // bnt [state 4 check]
0x76, // push0
0x45, 0x02, 0x00, // call export 2 of script 0 -> disable controls again??
0x7a, // push2
0x89, 0x00, // lsg global[0]
0x72, SIG_UINT16(0x0242), // lofsa deathDroid
0x36, // push
0x45, 0x0d, 0x04, // call export 13 of script 0 -> set heading of ego to face droid
SIG_END
};
static const uint16 sq4CdPatchGettingShotWhileGettingRope[] = {
PATCH_ADDTOOFFSET(+11),
// this makes state 2 only do the 2 cycles wait, controls should always be disabled already at this point
0x2f, 0xf3, // bt [previous state aTop cycles code]
// Now we check for state 3, this change saves us 11 bytes
0x3c, // dup
0x35, 0x03, // ldi 03
0x1a, // eq?
0x31, 0x29, // bnt [state 4 check]
// new state 3 code
0x76, // push0
0x45, 0x02, 0x00, // call export 2 of script 0 (disable controls, actually not needed)
0x38, PATCH_SELECTOR16(cycler), // pushi cycler
0x76, // push0
0x81, 0x00, // lag global[0]
0x4a, 0x04, // send 04 (get ego::cycler)
0x30, PATCH_UINT16(10), // bnt [jump over heading call]
PATCH_END
};
// The scripts in SQ4CD support simultaneous playing of speech and subtitles,
// but this was not available as an option. The following two patches enable
// this functionality in the game's GUI options dialog.
// Patch 1: iconTextSwitch::show, called when the text options button is shown.
// This is patched to add the "Both" text resource (i.e. we end up with
// "Speech", "Text" and "Both")
static const uint16 sq4CdSignatureTextOptionsButton[] = {
SIG_MAGICDWORD,
0x35, 0x01, // ldi 0x01
0xa1, 0x53, // sag 0x53
0x39, 0x03, // pushi 0x03
0x78, // push1
0x39, 0x09, // pushi 0x09
0x54, 0x06, // self 0x06
SIG_END
};
static const uint16 sq4CdPatchTextOptionsButton[] = {
PATCH_ADDTOOFFSET(+7),
0x39, 0x0b, // pushi 0x0b
PATCH_END
};
// Patch 2: Adjust a check in babbleIcon::init, which handles the babble icon
// (e.g. the two guys from Andromeda) shown when dying/quitting.
// Fixes bug: #6068
static const uint16 sq4CdSignatureBabbleIcon[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg 5a
0x35, 0x02, // ldi 02
0x1a, // eq?
0x31, 0x26, // bnt 26 [02a7]
SIG_END
};
static const uint16 sq4CdPatchBabbleIcon[] = {
0x89, 0x5a, // lsg 5a
0x35, 0x01, // ldi 01
0x1a, // eq?
0x2f, 0x26, // bt 26 [02a7]
PATCH_END
};
// Patch 3: Add the ability to toggle among the three available options,
// when the text options button is clicked: "Speech", "Text" and "Both".
// Refer to the patch above for additional details.
// iconTextSwitch::doit (called when the text options button is clicked)
static const uint16 sq4CdSignatureTextOptions[] = {
SIG_MAGICDWORD,
0x89, 0x5a, // lsg 0x5a (load global 90 to stack)
0x3c, // dup
0x35, 0x01, // ldi 0x01
0x1a, // eq? (global 90 == 1)
0x31, 0x06, // bnt 0x06 (0x0691)
0x35, 0x02, // ldi 0x02
0xa1, 0x5a, // sag 0x5a (save acc to global 90)
0x33, 0x0a, // jmp 0x0a (0x69b)
0x3c, // dup
0x35, 0x02, // ldi 0x02
0x1a, // eq? (global 90 == 2)
0x31, 0x04, // bnt 0x04 (0x069b)
0x35, 0x01, // ldi 0x01
0xa1, 0x5a, // sag 0x5a (save acc to global 90)
0x3a, // toss
0x38, SIG_SELECTOR16(show), // pushi 0x00d9
0x76, // push0
0x54, 0x04, // self 0x04
0x48, // ret
SIG_END
};
static const uint16 sq4CdPatchTextOptions[] = {
0x89, 0x5a, // lsg 0x5a (load global 90 to stack)
0x3c, // dup
0x35, 0x03, // ldi 0x03 (acc = 3)
0x1a, // eq? (global 90 == 3)
0x2f, 0x07, // bt 0x07
0x89, 0x5a, // lsg 0x5a (load global 90 to stack again)
0x35, 0x01, // ldi 0x01 (acc = 1)
0x02, // add: acc = global 90 (on stack) + 1 (previous acc value)
0x33, 0x02, // jmp 0x02
0x35, 0x01, // ldi 0x01 (reset acc to 1)
0xa1, 0x5a, // sag 0x5a (save acc to global 90)
0x33, 0x03, // jmp 0x03 (jump over the wasted bytes below)
0x34, PATCH_UINT16(0x0000), // ldi 0x0000 (waste 3 bytes)
0x3a, // toss
// (the rest of the code is the same)
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry sq4Signatures[] = {
{ true, 298, "Floppy: endless flight", 1, sq4FloppySignatureEndlessFlight, sq4FloppyPatchEndlessFlight },
{ true, 700, "Floppy: throw stuff at sequel police bug", 1, sq4FloppySignatureThrowStuffAtSequelPoliceBug, sq4FloppyPatchThrowStuffAtSequelPoliceBug },
{ true, 45, "CD: walk in from below for room 45 fix", 1, sq4CdSignatureWalkInFromBelowRoom45, sq4CdPatchWalkInFromBelowRoom45 },
{ true, 396, "CD: get points for changing back clothes fix",1, sq4CdSignatureGetPointsForChangingBackClothes, sq4CdPatchGetPointsForChangingBackClothes },
{ true, 701, "CD: getting shot, while getting rope", 1, sq4CdSignatureGettingShotWhileGettingRope, sq4CdPatchGettingShotWhileGettingRope },
{ true, 0, "CD: Babble icon speech and subtitles fix", 1, sq4CdSignatureBabbleIcon, sq4CdPatchBabbleIcon },
{ true, 818, "CD: Speech and subtitles option", 1, sq4CdSignatureTextOptions, sq4CdPatchTextOptions },
{ true, 818, "CD: Speech and subtitles option button", 1, sq4CdSignatureTextOptionsButton, sq4CdPatchTextOptionsButton },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// When you leave Ulence Flats, another timepod is supposed to appear.
// On fast machines, that timepod appears fully immediately and then
// starts to appear like it should be. That first appearance is caused
// by the scripts setting an invalid cel number and the machine being
// so fast that there is no time for another script to actually fix
// the cel number. On slower machines, the cel number gets fixed
// by the cycler and that's why only fast machines are affected.
// The same issue happens in Sierra SCI.
// We simply set the correct starting cel number to fix the bug.
// Responsible method: robotIntoShip::changeState(9)
static const uint16 sq1vgaSignatureUlenceFlatsTimepodGfxGlitch[] = {
0x39,
SIG_MAGICDWORD, SIG_SELECTOR8(cel), // pushi "cel"
0x78, // push1
0x39, 0x0a, // pushi 0x0a (set ship::cel to 10)
0x38, SIG_UINT16(0x00a0), // pushi 0x00a0 (ship::setLoop)
SIG_END
};
static const uint16 sq1vgaPatchUlenceFlatsTimepodGfxGlitch[] = {
PATCH_ADDTOOFFSET(+3),
0x39, 0x09, // pushi 0x09 (set ship::cel to 9)
PATCH_END
};
// In Ulence Flats, there is a space ship, that you will use at some point.
// Near that space ship are 2 force field generators.
// When you look at the top of those generators, the game will crash.
// This happens also in Sierra SCI. It's caused by a jump, that goes out of bounds.
// We currently do not know if this was caused by a compiler glitch or if it was a developer error.
// Anyway we patch this glitchy code, so that the game won't crash anymore.
//
// Applies to at least: English Floppy
// Responsible method: radar1::doVerb
// Fixes bug: #6816
static const uint16 sq1vgaSignatureUlenceFlatsGeneratorGlitch[] = {
SIG_MAGICDWORD, 0x1a, // eq?
0x30, SIG_UINT16(0xcdf4), // bnt absolute 0xf000
SIG_END
};
static const uint16 sq1vgaPatchUlenceFlatsGeneratorGlitch[] = {
PATCH_ADDTOOFFSET(+1),
0x32, PATCH_UINT16(0x0000), // jmp 0x0000 (waste bytes)
PATCH_END
};
// No documentation for this patch (TODO)
static const uint16 sq1vgaSignatureEgoShowsCard[] = {
SIG_MAGICDWORD,
0x38, SIG_SELECTOR16(timesShownID), // push "timesShownID"
0x78, // push1
0x38, SIG_SELECTOR16(timesShownID), // push "timesShownID"
0x76, // push0
0x51, 0x7c, // class DeltaurRegion
0x4a, 0x04, // send 0x04 (get timesShownID)
0x36, // push
0x35, 0x01, // ldi 1
0x02, // add
0x36, // push
0x51, 0x7c, // class DeltaurRegion
0x4a, 0x06, // send 0x06 (set timesShownID)
0x36, // push (wrong, acc clobbered by class, above)
0x35, 0x03, // ldi 0x03
0x22, // lt?
SIG_END
};
// Note that this script patch is merely a reordering of the
// instructions in the original script.
static const uint16 sq1vgaPatchEgoShowsCard[] = {
0x38, PATCH_SELECTOR16(timesShownID), // push "timesShownID"
0x76, // push0
0x51, 0x7c, // class DeltaurRegion
0x4a, 0x04, // send 0x04 (get timesShownID)
0x36, // push
0x35, 0x01, // ldi 1
0x02, // add
0x36, // push (this push corresponds to the wrong one above)
0x38, PATCH_SELECTOR16(timesShownID), // push "timesShownID"
0x78, // push1
0x36, // push
0x51, 0x7c, // class DeltaurRegion
0x4a, 0x06, // send 0x06 (set timesShownID)
0x35, 0x03, // ldi 0x03
0x22, // lt?
PATCH_END
};
// The spider droid on planet Korona has a fixed movement speed,
// which is way faster than the default movement speed of ego.
// This means that the player would have to turn up movement speed,
// otherwise it will be impossible to escape it.
// We fix this issue by making the droid move a bit slower than ego
// does (relative to movement speed setting).
//
// Applies to at least: English PC floppy
// Responsible method: spider::doit
static const uint16 sq1vgaSignatureSpiderDroidTiming[] = {
SIG_MAGICDWORD,
0x63, 0x4e, // pToa script
0x30, SIG_UINT16(0x0005), // bnt [further method code]
0x35, 0x00, // ldi 00
0x32, SIG_UINT16(0x0062), // jmp [super-call]
0x38, SIG_UINT16(0x0088), // pushi 0088h (script)
0x76, // push0
0x81, 0x02, // lag global[2] (current room)
0x4a, 0x04, // send 04 (get [current room].script)
0x30, SIG_UINT16(0x0005), // bnt [further method code]
0x35, 0x00, // ldi 00
0x32, SIG_UINT16(0x0052), // jmp [super-call]
0x89, 0xa6, // lsg global[a6]
0x35, 0x01, // ldi 01
0x1a, // eq?
0x30, SIG_UINT16(0x0012), // bnt [2nd code], in case global A6 <> 1
0x81, 0xb5, // lag global[b5]
0x30, SIG_UINT16(0x000d), // bnt [2nd code], in case global B5 == 0
0x38, SIG_UINT16(0x008c), // pushi 008c
0x78, // push1
0x72, SIG_UINT16(0x1cb6), // lofsa 1CB6 (moveToPath)
0x36, // push
0x54, 0x06, // self 06
0x32, SIG_UINT16(0x0038), // jmp [super-call]
0x81, 0xb5, // lag global[B5]
0x18, // not
0x30, SIG_UINT16(0x0032), // bnt [super-call], in case global B5 <> 0
SIG_END
}; // 58 bytes)
static const uint16 sq1vgaPatchSpiderDroidTiming[] = {
0x63, 0x4e, // pToa script
0x2f, 0x68, // bt [super-call]
0x38, PATCH_UINT16(0x0088), // pushi 0088 (script)
0x76, // push0
0x81, 0x02, // lag global[2] (current room)
0x4a, 0x04, // send 04
0x2f, 0x5e, // bt [super-call]
// --> 12 bytes saved
// new code
0x38, PATCH_UINT16(0x0176), // pushi 0176 (egoMoveSpeed)
0x76, // push0
0x81, 0x01, // lag global[1]
0x4a, 0x04, // send 04 - sq1::egoMoveSpeed
0x36, // push
0x36, // push
0x35, 0x03, // ldi 03
0x0c, // shr
0x02, // add --> egoMoveSpeed + (egoMoveSpeed >> 3)
0x39, 0x01, // push 01 (waste 1 byte)
0x02, // add --> egoMoveSpeed++
0x65, 0x4c, // aTop cycleSpeed
0x65, 0x5e, // aTop moveSpeed
// new code end
0x89, 0xb5, // lsg global[B5]
0x31, 0x13, // bnt [2nd code chunk]
0x89, 0xa6, // lsg global[A6]
0x35, 0x01, // ldi 01
0x1a, // eq?
0x31, 0x3e, // bnt [super-call]
0x38, PATCH_UINT16(0x008c), // pushi 008c
0x78, // push1
0x72, PATCH_UINT16(0x1cb6), // lofsa moveToPath
0x36, // push
0x54, 0x06, // self 06 - spider::setScript(movePath)
0x33, 0x32, // jmp [super-call]
// --> 9 bytes saved
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry sq1vgaSignatures[] = {
{ true, 45, "Ulence Flats: timepod graphic glitch", 1, sq1vgaSignatureUlenceFlatsTimepodGfxGlitch, sq1vgaPatchUlenceFlatsTimepodGfxGlitch },
{ true, 45, "Ulence Flats: force field generator glitch", 1, sq1vgaSignatureUlenceFlatsGeneratorGlitch, sq1vgaPatchUlenceFlatsGeneratorGlitch },
{ true, 58, "Sarien armory droid zapping ego first time", 1, sq1vgaSignatureEgoShowsCard, sq1vgaPatchEgoShowsCard },
{ true, 704, "spider droid timing issue", 1, sq1vgaSignatureSpiderDroidTiming, sq1vgaPatchSpiderDroidTiming },
SCI_SIGNATUREENTRY_TERMINATOR
};
// ===========================================================================
// The toolbox in sq5 is buggy. When you click on the upper part of the "put
// in inventory"-button (some items only - for example the hole puncher - at the
// upper left), points will get awarded correctly and the item will get put into
// the player's inventory, but you will then get a "not here" message and the
// item will also remain to be the current mouse cursor.
// The bug report also says that items may get lost. I wasn't able to reproduce
// that part.
// This is caused by the mouse-click event getting reprocessed (which wouldn't
// be a problem by itself) and during this reprocessing coordinates are not
// processed the same as during the first click (script 226 includes a local
// subroutine, which checks coordinates in a hardcoded way w/o port-adjustment).
// Because of this, the hotspot for the button is lower than it should be, which
// then results in the game thinking that the user didn't click on the button
// and also results in the previously mentioned message.
// This happened in Sierra SCI as well (of course).
// We fix it by combining state 0 + 1 of takeTool::changeState and so stopping
// the event to get reprocessed. This was the only way possible, because everything
// else is done in SCI system scripts and I don't want to touch those.
// Applies to at least: English/German/French PC floppy
// Responsible method: takeTool::changeState
// Fixes bug: #6457
static const uint16 sq5SignatureToolboxFix[] = {
0x31, 0x13, // bnt [check for state 1]
SIG_MAGICDWORD,
0x38, SIG_UINT16(0x00aa), // pushi 00aa
0x39, 0x05, // pushi 05
0x39, 0x16, // pushi 16
0x76, // push0
0x39, 0x03, // pushi 03
0x76, // push0
0x7c, // pushSelf
0x81, 0x5b, // lag 5b
0x4a, 0x0e, // send 0e
0x32, SIG_UINT16(0x0088), // jmp [end-of-method]
0x3c, // dup
0x35, 0x01, // ldi 01
0x1a, // eq?
0x31, 0x28, // bnt [check for state 2]
SIG_END
};
static const uint16 sq5PatchToolboxFix[] = {
0x31, 0x41, // bnt [check for state 2]
PATCH_ADDTOOFFSET(+16), // skip to jmp offset
0x35, 0x01, // ldi 01
0x65, 0x14, // aTop [state]
0x36, 0x00, 0x00, // ldi 0000 (waste 3 bytes)
0x35, 0x00, // ldi 00 (waste 2 bytes)
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry sq5Signatures[] = {
{ true, 226, "toolbox fix", 1, sq5SignatureToolboxFix, sq5PatchToolboxFix },
SCI_SIGNATUREENTRY_TERMINATOR
};
// =================================================================================
ScriptPatcher::ScriptPatcher() {
int selectorCount = ARRAYSIZE(selectorNameTable);
int selectorNr;
// Allocate table for selector-IDs and initialize that table as well
_selectorIdTable = new Selector[ selectorCount ];
for (selectorNr = 0; selectorNr < selectorCount; selectorNr++)
_selectorIdTable[selectorNr] = -1;
_runtimeTable = NULL;
_isMacSci11 = false;
}
ScriptPatcher::~ScriptPatcher() {
delete[] _runtimeTable;
delete[] _selectorIdTable;
}
// will actually patch previously found signature area
void ScriptPatcher::applyPatch(const SciScriptPatcherEntry *patchEntry, byte *scriptData, const uint32 scriptSize, int32 signatureOffset) {
const uint16 *patchData = patchEntry->patchData;
byte orgData[PATCH_VALUELIMIT];
int32 offset = signatureOffset;
uint16 patchWord = *patchEntry->patchData;
uint16 patchSelector = 0;
// Copy over original bytes from script
uint32 orgDataSize = scriptSize - offset;
if (orgDataSize > PATCH_VALUELIMIT)
orgDataSize = PATCH_VALUELIMIT;
memcpy(&orgData, &scriptData[offset], orgDataSize);
while (patchWord != PATCH_END) {
uint16 patchCommand = patchWord & PATCH_COMMANDMASK;
uint16 patchValue = patchWord & PATCH_VALUEMASK;
switch (patchCommand) {
case PATCH_CODE_ADDTOOFFSET: {
// add value to offset
offset += patchValue;
break;
}
case PATCH_CODE_GETORIGINALBYTE: {
// get original byte from script
if (patchValue >= orgDataSize)
error("Script-Patcher: can not get requested original byte from script");
scriptData[offset] = orgData[patchValue];
offset++;
break;
}
case PATCH_CODE_GETORIGINALBYTEADJUST: {
// get original byte from script and adjust it
if (patchValue >= orgDataSize)
error("Script-Patcher: can not get requested original byte from script");
byte orgByte = orgData[patchValue];
int16 adjustValue;
patchData++; adjustValue = (int16)(*patchData);
scriptData[offset] = orgByte + adjustValue;
offset++;
break;
}
case PATCH_CODE_UINT16:
case PATCH_CODE_SELECTOR16: {
byte byte1;
byte byte2;
switch (patchCommand) {
case PATCH_CODE_UINT16: {
byte1 = patchValue & PATCH_BYTEMASK;
patchData++; patchWord = *patchData;
if (patchWord & PATCH_COMMANDMASK)
error("Script-Patcher: Patch inconsistent");
byte2 = patchWord & PATCH_BYTEMASK;
break;
}
case PATCH_CODE_SELECTOR16: {
patchSelector = _selectorIdTable[patchValue];
byte1 = patchSelector & 0xFF;
byte2 = patchSelector >> 8;
break;
}
default:
byte1 = 0; byte2 = 0;
}
if (!_isMacSci11) {
scriptData[offset++] = byte1;
scriptData[offset++] = byte2;
} else {
// SCI1.1+ on macintosh had uint16s in script in BE-order
scriptData[offset++] = byte2;
scriptData[offset++] = byte1;
}
break;
}
case PATCH_CODE_SELECTOR8: {
patchSelector = _selectorIdTable[patchValue];
if (patchSelector & 0xFF00)
error("Script-Patcher: 8 bit selector required, game uses 16 bit selector");
scriptData[offset] = patchSelector & 0xFF;
offset++;
break;
}
case PATCH_CODE_BYTE:
scriptData[offset] = patchValue & PATCH_BYTEMASK;
offset++;
}
patchData++;
patchWord = *patchData;
}
}
bool ScriptPatcher::verifySignature(uint32 byteOffset, const uint16 *signatureData, const char *signatureDescription, const byte *scriptData, const uint32 scriptSize) {
uint16 sigSelector = 0;
uint16 sigWord = *signatureData;
while (sigWord != SIG_END) {
uint16 sigCommand = sigWord & SIG_COMMANDMASK;
uint16 sigValue = sigWord & SIG_VALUEMASK;
switch (sigCommand) {
case SIG_CODE_ADDTOOFFSET: {
// add value to offset
byteOffset += sigValue;
break;
}
case SIG_CODE_UINT16:
case SIG_CODE_SELECTOR16: {
if ((byteOffset + 1) < scriptSize) {
byte byte1;
byte byte2;
switch (sigCommand) {
case SIG_CODE_UINT16: {
byte1 = sigValue & SIG_BYTEMASK;
signatureData++; sigWord = *signatureData;
if (sigWord & SIG_COMMANDMASK)
error("Script-Patcher: signature inconsistent\nFaulty signature: '%s'", signatureDescription);
byte2 = sigWord & SIG_BYTEMASK;
break;
}
case SIG_CODE_SELECTOR16: {
sigSelector = _selectorIdTable[sigValue];
byte1 = sigSelector & 0xFF;
byte2 = sigSelector >> 8;
break;
}
default:
byte1 = 0; byte2 = 0;
}
if (!_isMacSci11) {
if ((scriptData[byteOffset] != byte1) || (scriptData[byteOffset + 1] != byte2))
sigWord = SIG_MISMATCH;
} else {
// SCI1.1+ on macintosh had uint16s in script in BE-order
if ((scriptData[byteOffset] != byte2) || (scriptData[byteOffset + 1] != byte1))
sigWord = SIG_MISMATCH;
}
byteOffset += 2;
} else {
sigWord = SIG_MISMATCH;
}
break;
}
case SIG_CODE_SELECTOR8: {
if (byteOffset < scriptSize) {
sigSelector = _selectorIdTable[sigValue];
if (sigSelector & 0xFF00)
error("Script-Patcher: 8 bit selector required, game uses 16 bit selector\nFaulty signature: '%s'", signatureDescription);
if (scriptData[byteOffset] != (sigSelector & 0xFF))
sigWord = SIG_MISMATCH;
byteOffset++;
} else {
sigWord = SIG_MISMATCH; // out of bounds
}
break;
}
case SIG_CODE_BYTE:
if (byteOffset < scriptSize) {
if (scriptData[byteOffset] != sigWord)
sigWord = SIG_MISMATCH;
byteOffset++;
} else {
sigWord = SIG_MISMATCH; // out of bounds
}
}
if (sigWord == SIG_MISMATCH)
break;
signatureData++;
sigWord = *signatureData;
}
if (sigWord == SIG_END) // signature fully matched?
return true;
return false;
}
// will return -1 if no match was found, otherwise an offset to the start of the signature match
int32 ScriptPatcher::findSignature(uint32 magicDWord, int magicOffset, const uint16 *signatureData, const char *patchDescription, const byte *scriptData, const uint32 scriptSize) {
if (scriptSize < 4) // we need to find a DWORD, so less than 4 bytes is not okay
return -1;
// magicDWord is in platform-specific BE/LE form, so that the later match will work, this was done for performance
const uint32 searchLimit = scriptSize - 3;
uint32 DWordOffset = 0;
// first search for the magic DWORD
while (DWordOffset < searchLimit) {
if (magicDWord == READ_UINT32(scriptData + DWordOffset)) {
// magic DWORD found, check if actual signature matches
uint32 offset = DWordOffset + magicOffset;
if (verifySignature(offset, signatureData, patchDescription, scriptData, scriptSize))
return offset;
}
DWordOffset++;
}
// nothing found
return -1;
}
int32 ScriptPatcher::findSignature(const SciScriptPatcherEntry *patchEntry, const SciScriptPatcherRuntimeEntry *runtimeEntry, const byte *scriptData, const uint32 scriptSize) {
return findSignature(runtimeEntry->magicDWord, runtimeEntry->magicOffset, patchEntry->signatureData, patchEntry->description, scriptData, scriptSize);
}
// Attention: Magic DWord is returns using platform specific byte order. This is done on purpose for performance.
void ScriptPatcher::calculateMagicDWordAndVerify(const char *signatureDescription, const uint16 *signatureData, bool magicDWordIncluded, uint32 &calculatedMagicDWord, int &calculatedMagicDWordOffset) {
Selector curSelector = -1;
int magicOffset;
byte magicDWord[4];
int magicDWordLeft = 0;
uint16 curWord;
uint16 curCommand;
uint32 curValue;
byte byte1 = 0;
byte byte2 = 0;
memset(magicDWord, 0, sizeof(magicDWord));
curWord = *signatureData;
magicOffset = 0;
while (curWord != SIG_END) {
curCommand = curWord & SIG_COMMANDMASK;
curValue = curWord & SIG_VALUEMASK;
switch (curCommand) {
case SIG_MAGICDWORD: {
if (magicDWordIncluded) {
if ((calculatedMagicDWord) || (magicDWordLeft))
error("Script-Patcher: Magic-DWORD specified multiple times in signature\nFaulty patch: '%s'", signatureDescription);
magicDWordLeft = 4;
calculatedMagicDWordOffset = magicOffset;
} else {
error("Script-Patcher: Magic-DWORD sequence found in patch data\nFaulty patch: '%s'", signatureDescription);
}
break;
}
case SIG_CODE_ADDTOOFFSET: {
magicOffset -= curValue;
if (magicDWordLeft)
error("Script-Patcher: Magic-DWORD contains AddToOffset command\nFaulty patch: '%s'", signatureDescription);
break;
}
case SIG_CODE_UINT16:
case SIG_CODE_SELECTOR16: {
// UINT16 or 1
switch (curCommand) {
case SIG_CODE_UINT16: {
signatureData++; curWord = *signatureData;
if (curWord & SIG_COMMANDMASK)
error("Script-Patcher: signature entry inconsistent\nFaulty patch: '%s'", signatureDescription);
if (!_isMacSci11) {
byte1 = curValue;
byte2 = curWord & SIG_BYTEMASK;
} else {
byte1 = curWord & SIG_BYTEMASK;
byte2 = curValue;
}
break;
}
case SIG_CODE_SELECTOR16: {
curSelector = _selectorIdTable[curValue];
if (curSelector == -1) {
curSelector = g_sci->getKernel()->findSelector(selectorNameTable[curValue]);
_selectorIdTable[curValue] = curSelector;
}
if (!_isMacSci11) {
byte1 = curSelector & 0x00FF;
byte2 = curSelector >> 8;
} else {
byte1 = curSelector >> 8;
byte2 = curSelector & 0x00FF;
}
break;
}
}
magicOffset -= 2;
if (magicDWordLeft) {
// Remember current word for Magic DWORD
magicDWord[4 - magicDWordLeft] = byte1;
magicDWordLeft--;
if (magicDWordLeft) {
magicDWord[4 - magicDWordLeft] = byte2;
magicDWordLeft--;
}
if (!magicDWordLeft) {
// Magic DWORD is now known, convert to platform specific byte order
calculatedMagicDWord = READ_LE_UINT32(magicDWord);
}
}
break;
}
case SIG_CODE_BYTE:
case SIG_CODE_SELECTOR8: {
if (curCommand == SIG_CODE_SELECTOR8) {
curSelector = _selectorIdTable[curValue];
if (curSelector == -1) {
curSelector = g_sci->getKernel()->findSelector(selectorNameTable[curValue]);
_selectorIdTable[curValue] = curSelector;
if (curSelector != -1) {
if (curSelector & 0xFF00)
error("Script-Patcher: 8 bit selector required, game uses 16 bit selector\nFaulty patch: '%s'", signatureDescription);
}
}
curValue = curSelector;
}
magicOffset--;
if (magicDWordLeft) {
// Remember current byte for Magic DWORD
magicDWord[4 - magicDWordLeft] = (byte)curValue;
magicDWordLeft--;
if (!magicDWordLeft) {
calculatedMagicDWord = READ_LE_UINT32(magicDWord);
}
}
break;
}
case PATCH_CODE_GETORIGINALBYTEADJUST: {
signatureData++; // skip over extra uint16
break;
}
default:
break;
}
signatureData++;
curWord = *signatureData;
}
if (magicDWordLeft)
error("Script-Patcher: Magic-DWORD beyond End-Of-Signature\nFaulty patch: '%s'", signatureDescription);
if (magicDWordIncluded) {
if (!calculatedMagicDWord) {
error("Script-Patcher: Magic-DWORD not specified in signature\nFaulty patch: '%s'", signatureDescription);
}
}
}
// This method calculates the magic DWORD for each entry in the signature table
// and it also initializes the selector table for selectors used in the signatures/patches of the current game
void ScriptPatcher::initSignature(const SciScriptPatcherEntry *patchTable) {
const SciScriptPatcherEntry *curEntry = patchTable;
SciScriptPatcherRuntimeEntry *curRuntimeEntry;
int patchEntryCount = 0;
// Count entries and allocate runtime data
while (curEntry->signatureData) {
patchEntryCount++; curEntry++;
}
_runtimeTable = new SciScriptPatcherRuntimeEntry[patchEntryCount];
memset(_runtimeTable, 0, sizeof(SciScriptPatcherRuntimeEntry) * patchEntryCount);
curEntry = patchTable;
curRuntimeEntry = _runtimeTable;
while (curEntry->signatureData) {
// process signature
curRuntimeEntry->active = curEntry->defaultActive;
curRuntimeEntry->magicDWord = 0;
curRuntimeEntry->magicOffset = 0;
// We verify the signature data and remember the calculated magic DWord from the signature data
calculateMagicDWordAndVerify(curEntry->description, curEntry->signatureData, true, curRuntimeEntry->magicDWord, curRuntimeEntry->magicOffset);
// We verify the patch data
calculateMagicDWordAndVerify(curEntry->description, curEntry->patchData, false, curRuntimeEntry->magicDWord, curRuntimeEntry->magicOffset);
curEntry++; curRuntimeEntry++;
}
}
// This method enables certain patches
// It's used for patches, which are not meant to get applied all the time
void ScriptPatcher::enablePatch(const SciScriptPatcherEntry *patchTable, const char *searchDescription) {
const SciScriptPatcherEntry *curEntry = patchTable;
SciScriptPatcherRuntimeEntry *runtimeEntry = _runtimeTable;
int searchDescriptionLen = strlen(searchDescription);
int matchCount = 0;
while (curEntry->signatureData) {
if (strncmp(curEntry->description, searchDescription, searchDescriptionLen) == 0) {
// match found, enable patch
runtimeEntry->active = true;
matchCount++;
}
curEntry++; runtimeEntry++;
}
if (!matchCount)
error("Script-Patcher: no patch found to enable");
}
void ScriptPatcher::processScript(uint16 scriptNr, byte *scriptData, const uint32 scriptSize) {
const SciScriptPatcherEntry *signatureTable = NULL;
const SciScriptPatcherEntry *curEntry = NULL;
SciScriptPatcherRuntimeEntry *curRuntimeEntry = NULL;
const Sci::SciGameId gameId = g_sci->getGameId();
switch (gameId) {
case GID_CAMELOT:
signatureTable = camelotSignatures;
break;
case GID_ECOQUEST:
signatureTable = ecoquest1Signatures;
break;
case GID_ECOQUEST2:
signatureTable = ecoquest2Signatures;
break;
case GID_FANMADE:
signatureTable = fanmadeSignatures;
break;
case GID_FREDDYPHARKAS:
signatureTable = freddypharkasSignatures;
break;
case GID_GK1:
signatureTable = gk1Signatures;
break;
case GID_KQ5:
signatureTable = kq5Signatures;
break;
case GID_KQ6:
signatureTable = kq6Signatures;
break;
case GID_LAURABOW:
signatureTable = laurabow1Signatures;
break;
case GID_LAURABOW2:
signatureTable = laurabow2Signatures;
break;
case GID_LONGBOW:
signatureTable = longbowSignatures;
break;
case GID_LSL2:
signatureTable = larry2Signatures;
break;
case GID_LSL5:
signatureTable = larry5Signatures;
break;
case GID_LSL6:
signatureTable = larry6Signatures;
break;
case GID_MOTHERGOOSE256:
signatureTable = mothergoose256Signatures;
break;
case GID_PQ1:
signatureTable = pq1vgaSignatures;
break;
case GID_QFG1:
signatureTable = qfg1egaSignatures;
break;
case GID_QFG1VGA:
signatureTable = qfg1vgaSignatures;
break;
case GID_QFG2:
signatureTable = qfg2Signatures;
break;
case GID_QFG3:
signatureTable = qfg3Signatures;
break;
case GID_SQ1:
signatureTable = sq1vgaSignatures;
break;
case GID_SQ4:
signatureTable = sq4Signatures;
break;
case GID_SQ5:
signatureTable = sq5Signatures;
break;
default:
break;
}
if (signatureTable) {
_isMacSci11 = (g_sci->getPlatform() == Common::kPlatformMacintosh && getSciVersion() >= SCI_VERSION_1_1);
if (!_runtimeTable) {
// Abort, in case selectors are not yet initialized (happens for games w/o selector-dictionary)
if (!g_sci->getKernel()->selectorNamesAvailable())
return;
// signature table needs to get initialized (Magic DWORD set, selector table set)
initSignature(signatureTable);
// Do additional game-specific initialization
switch (gameId) {
case GID_KQ5:
if (g_sci->_features->useAltWinGMSound()) {
// See the explanation in the kq5SignatureWinGMSignals comment
enablePatch(signatureTable, "Win: GM Music signal checks");
}
break;
case GID_KQ6:
if (g_sci->isCD()) {
// Enables Dual mode patches (audio + subtitles at the same time) for King's Quest 6
enablePatch(signatureTable, "CD: audio + text support");
}
break;
case GID_LAURABOW2:
if (g_sci->isCD()) {
// Enables Dual mode patches (audio + subtitles at the same time) for Laura Bow 2
enablePatch(signatureTable, "CD: audio + text support");
}
break;
default:
break;
}
}
curEntry = signatureTable;
curRuntimeEntry = _runtimeTable;
while (curEntry->signatureData) {
if ((scriptNr == curEntry->scriptNr) && (curRuntimeEntry->active)) {
int32 foundOffset = 0;
int16 applyCount = curEntry->applyCount;
do {
foundOffset = findSignature(curEntry, curRuntimeEntry, scriptData, scriptSize);
if (foundOffset != -1) {
// found, so apply the patch
debugC(kDebugLevelScriptPatcher, "Script-Patcher: '%s' on script %d offset %d", curEntry->description, scriptNr, foundOffset);
applyPatch(curEntry, scriptData, scriptSize, foundOffset);
}
applyCount--;
} while ((foundOffset != -1) && (applyCount));
}
curEntry++; curRuntimeEntry++;
}
}
}
} // End of namespace Sci
|