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SCI32: Fix slow transitions in SQ6

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This commit is contained in:
Colin Snover 2016-10-12 10:41:50 -05:00
parent 699a147348
commit a05ae2e24a
1 changed files with 35 additions and 0 deletions
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35
engines/sci/engine/script_patches.cpp
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@ -4536,11 +4536,46 @@ static const SciScriptPatcherEntry sq5Signatures[] = {
#pragma mark -
#pragma mark Space Quest 6
// After the explosion in the Quarters of Deepship 86, the game tries to perform
// a dramatic long fade, but does this with an unreasonably large number of
// divisions which takes tens of seconds to finish (because transitions are not
// CPU-dependent in ScummVM).
static const uint16 sq6SlowTransitionSignature1[] = {
SIG_MAGICDWORD,
0x38, SIG_UINT16(0x578), // pushi $0578
0x51, 0x33, // class Styler
SIG_END
};
static const uint16 sq6SlowTransitionPatch1[] = {
0x38, SIG_UINT16(180), // pushi 180
PATCH_END
};
// For whatever reason, SQ6 sets the default number of transition divisions to
// be a much larger value at startup (200 vs 30) if it thinks it is running in
// Windows. Room 410 (eulogy room) also unconditionally resets divisions to the
// larger value.
static const uint16 sq6SlowTransitionSignature2[] = {
SIG_MAGICDWORD,
0x38, SIG_UINT16(0xc8), // pushi $c8
0x51, 0x33, // class Styler
SIG_END
};
static const uint16 sq6SlowTransitionPatch2[] = {
0x38, SIG_UINT16(30), // pushi 30
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry sq6Signatures[] = {
{ true, 0, "fix slow transitions", 1, sq6SlowTransitionSignature2, sq6SlowTransitionPatch2 },
{ true, 15, "invalid array construction", 1, sci21IntArraySignature, sci21IntArrayPatch },
{ true, 22, "invalid array construction", 1, sci21IntArraySignature, sci21IntArrayPatch },
{ true, 410, "fix slow transitions", 1, sq6SlowTransitionSignature2, sq6SlowTransitionPatch2 },
{ true, 460, "invalid array construction", 1, sci21IntArraySignature, sci21IntArrayPatch },
{ true, 500, "fix slow transitions", 1, sq6SlowTransitionSignature1, sq6SlowTransitionPatch1 },
{ true, 510, "invalid array construction", 1, sci21IntArraySignature, sci21IntArrayPatch },
{ true, 64990, "increase number of save games", 1, sci2NumSavesSignature1, sci2NumSavesPatch1 },
{ true, 64990, "increase number of save games", 1, sci2NumSavesSignature2, sci2NumSavesPatch2 },