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SCI: Update LSL1 elevator polygon patch

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The patch is now only applied to versions with the script bug
This commit is contained in:
sluicebox 2023-04-28 13:39:25 -07:00
parent bd92edcb87
commit 036c390478
1 changed files with 9 additions and 4 deletions
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13
engines/sci/engine/script_patches.cpp
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@ -8411,13 +8411,14 @@ static const SciScriptPatcherEntry longbowSignatures[] = {
// Pushing the penthouse elevator button in room 350 causes a broken polygon to
// be used for pathfinding. openObstacle:points is set to a local array of 17
// points but its size property is incorrectly set to 19. We fix the size so
// that the interpreter doesn't use the wrong values for pathfinding.
// points but its size property is incorrectly set to 19. In the first version
// of the game this was correct, but the array was changed without updating the
// size value. We fix the size so that the interpreter doesn't use the wrong
// values for pathfinding.
//
// Applies to: All versions
// Applies to: All versions except 2.0 VGA
// Responsible method: rm350:init
static const uint16 larry1SignatureElevatorPolygon[] = {
SIG_MAGICDWORD,
0x5b, 0x02, 0x1f, // lea 02 1f
0x36, // push
0x39, SIG_SELECTOR8(size), // pushi size
@ -8425,6 +8426,10 @@ static const uint16 larry1SignatureElevatorPolygon[] = {
0x39, 0x13, // pushi 13 [ incorrect size ]
0x72, SIG_ADDTOOFFSET(+2), // lofsa openObstacle
0x4a, 0x0c, // send 0c [ openObstacle points: @local31 size: 19 ]
SIG_ADDTOOFFSET(+2),
SIG_MAGICDWORD,
0x78, // push1
0x5b, 0x02, 0x41, // lea 02 41 [ 41 in broken versions, otherwise 45 ]
SIG_END
};