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-rw-r--r--engines/sci/engine/script_patches.cpp33
1 files changed, 30 insertions, 3 deletions
diff --git a/engines/sci/engine/script_patches.cpp b/engines/sci/engine/script_patches.cpp
index fc0dca5123..8039c5f282 100644
--- a/engines/sci/engine/script_patches.cpp
+++ b/engines/sci/engine/script_patches.cpp
@@ -813,6 +813,32 @@ static const uint16 kq5PatchWitchCageInit[] = {
PATCH_END
};
+// The multilingual releases of KQ5 hang right at the end during the magic battle with Mordack.
+// It seems additional code was added to wait for signals, but the signals are never set and thus
+// the game hangs. We disable that code, so that the battle works again.
+// This also happened in the original interpreter.
+// We must not change similar code, that happens before.
+
+// Applies to at least: French PC floppy, German PC floppy, Spanish PC floppy
+// Responsible method: stingScript::changeState, dragonScript::changeState, snakeScript::changeState
+static const uint16 kq5SignatureMultilingualEndingGlitch[] = {
+ SIG_MAGICDWORD,
+ 0x89, 0x57, // lsg global[57h]
+ 0x35, 0x00, // ldi 0
+ 0x1a, // eq?
+ 0x18, // not
+ 0x30, SIG_UINT16(0x0011), // bnt [skip signal check]
+ SIG_ADDTOOFFSET(+8), // skip globalSound::prevSignal get code
+ 0x36, // push
+ 0x35, 0x0a, // ldi 0Ah
+ SIG_END
+};
+
+static const uint16 kq5PatchMultilingualEndingGlitch[] = {
+ PATCH_ADDTOOFFSET(+6),
+ 0x32, // change BNT into JMP
+ PATCH_END
+};
// In the final battle, the DOS version uses signals in the music to handle
// timing, while in the Windows version another method is used and the GM
@@ -843,9 +869,10 @@ static const uint16 kq5PatchWinGMSignals[] = {
// script, description, signature patch
static const SciScriptPatcherEntry kq5Signatures[] = {
- { true, 0, "CD: harpy volume change", 1, kq5SignatureCdHarpyVolume, kq5PatchCdHarpyVolume },
- { true, 200, "CD: witch cage init", 1, kq5SignatureWitchCageInit, kq5PatchWitchCageInit },
- { false, 124, "Win: GM Music signal checks", 4, kq5SignatureWinGMSignals, kq5PatchWinGMSignals },
+ { true, 0, "CD: harpy volume change", 1, kq5SignatureCdHarpyVolume, kq5PatchCdHarpyVolume },
+ { true, 200, "CD: witch cage init", 1, kq5SignatureWitchCageInit, kq5PatchWitchCageInit },
+ { true, 124, "Multilingual: Ending glitching out", 3, kq5SignatureMultilingualEndingGlitch, kq5PatchMultilingualEndingGlitch },
+ { false, 124, "Win: GM Music signal checks", 4, kq5SignatureWinGMSignals, kq5PatchWinGMSignals },
SCI_SIGNATUREENTRY_TERMINATOR
};