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SCI32: Patch spin loop in Phant2 puzzle

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This commit is contained in:
Colin Snover 2017-07-26 22:00:38 -05:00
parent 8adb91038f
commit dc597dc7a8
1 changed files with 25 additions and 0 deletions
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25
engines/sci/engine/script_patches.cpp
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@ -3781,10 +3781,35 @@ static const uint16 phant2GetVersionPatch[] = {
PATCH_END
};
// The game uses a spin loop when displaying the success animation of the ratboy
// puzzle, which causes the mouse to appear unresponsive. Replace the spin loop
// with a call to ScummVM kWait.
// Applies to at least: US English
static const uint16 phant2RatboySignature[] = {
0x8d, 0x01, // lst 1
0x35, 0x1e, // ldi $1e
0x22, // lt?
SIG_MAGICDWORD,
0x31, 0x17, // bnt $17 [0c3d]
0x76, // push0
0x43, 0x79, SIG_UINT16(0x00), // callk GetTime, 0
SIG_END
};
static const uint16 phant2RatboyPatch[] = {
0x78, // push1
0x35, 0x1e, // ldi $1e
0x36, // push
0x43, kScummVMWaitId, PATCH_UINT16(0x02), // callk Wait, $2
0x33, 0x14, // jmp [to next outer loop]
PATCH_END
};
// script, description, signature patch
static const SciScriptPatcherEntry phantasmagoria2Signatures[] = {
{ true, 0, "slow interface fades", 3, phant2SlowIFadeSignature, phant2SlowIFadePatch },
{ true, 0, "bad arguments to get game version", 1, phant2GetVersionSignature, phant2GetVersionPatch },
{ true, 4081, "non-responsive mouse after ratboy puzzle", 1, phant2RatboySignature, phant2RatboyPatch },
{ true, 63016, "non-responsive mouse during music fades", 1, phant2Wait4FadeSignature, phant2Wait4FadePatch },
{ true, 63019, "non-responsive mouse during computer load", 1, phant2CompSlideDoorsSignature, phant2CompSlideDoorsPatch },
SCI_SIGNATUREENTRY_TERMINATOR