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SCI: Fix SQ1 droid zapping issue with a script patch, thanks to

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dhewg for reporting.
This commit is contained in:
Lars Skovlund 2011-04-02 19:53:26 +02:00
parent 71bfe714c1
commit 3ea76f39f9
1 changed files with 50 additions and 0 deletions
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50
engines/sci/engine/script_patches.cpp
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@ -994,6 +994,53 @@ const SciScriptSignature sq4Signatures[] = {
SCI_SIGNATUREENTRY_TERMINATOR
};
const byte sq1vgaSignatureEgoShowsCard[] = {
25,
0x38, 0x46, 0x02, // push 0x246 (set up send frame to set timesShownID)
0x78, // push1
0x38, 0x46, 0x02, // push 0x246 (set up send frame to get 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?
0};
// Note that this script patch is merely a reordering of the
// instructions in the original script.
const uint16 sq1vgaPatchEgoShowsCard[] = {
0x38, 0x46, 0x02, // push 0x246 (set up send frame to get 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, 0x46, 0x02, // push 0x246 (set up send frame to set timesShownID)
0x78, // push1
0x36, // push
0x51, 0x7c, // class DeltaurRegion
0x4a, 0x06, // send 0x06 (set timesShownID)
0x35, 0x03, // ldi 0x03
0x22, // lt?
PATCH_END};
// script, description, magic DWORD, adjust
const SciScriptSignature sq1vgaSignatures[] = {
{ 58, "Sarien armory droid zapping ego first time", 1, PATCH_MAGICDWORD( 0x72, 0x88, 0x15, 0x36 ), -70,
sq1vgaSignatureEgoShowsCard, sq1vgaPatchEgoShowsCard },
SCI_SIGNATUREENTRY_TERMINATOR};
// will actually patch previously found signature area
void Script::applyPatch(const uint16 *patch, byte *scriptData, const uint32 scriptSize, int32 signatureOffset) {
byte orgData[PATCH_VALUELIMIT];
@ -1128,6 +1175,9 @@ void Script::matchSignatureAndPatch(uint16 scriptNr, byte *scriptData, const uin
case GID_QFG3:
signatureTable = qfg3Signatures;
break;
case GID_SQ1:
signatureTable = sq1vgaSignatures;
break;
case GID_SQ4:
signatureTable = sq4Signatures;
break;