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SCI: qfg1vga: fix script patch sneak into castle

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The original script patch only worked when speed
slider was all the way up.
This commit is contained in:
Martin Kiewitz 2015-05-17 11:54:27 +02:00
parent 3d72bcfa64
commit a6ceee0d67
1 changed files with 14 additions and 5 deletions
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19
engines/sci/engine/script_patches.cpp
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@ -2123,21 +2123,30 @@ static const uint16 qfg1vgaPatchMoveToCrusher[] = {
// 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 114, 114.
// 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,
0x51, 0x1f, // class MoveTo
0x36, // push
0x39, 0x6f, // pushi 6f (111 - x)
0x3c, // dup (111 - y)
0x39, 0x6f, // pushi 6f (111d)
0x3c, // dup (111d) - coordinates 111, 111
0x7c, // pushSelf
SIG_END
};
static const uint16 qfg1vgaPatchMoveToCastleGate[] = {
PATCH_ADDTOOFFSET(+3),
0x39, 0x72, // pushi 72 (114 - x)
0x39, 0x74, // pushi 74 (116d), changes coordinates to 116, 116
PATCH_END
};