diff options
| -rw-r--r-- | engines/sci/engine/script_patches.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/engines/sci/engine/script_patches.cpp b/engines/sci/engine/script_patches.cpp index 608ff07b16..380b5b7b03 100644 --- a/engines/sci/engine/script_patches.cpp +++ b/engines/sci/engine/script_patches.cpp @@ -3229,6 +3229,36 @@ static const SciScriptPatcherEntry phantasmagoriaSignatures[] = { SCI_SIGNATUREENTRY_TERMINATOR }; +#pragma mark - +#pragma mark Phantasmagoria 2 + +// The interface bars at the top and bottom of the screen fade in and out when +// hovered over. This fade is performed by a script loop that calls kFrameOut +// directly and uses global 227 as the fade delta for each frame. Global 227 +// normally contains the value 1, which means that these fades are quite slow. +// This patch replaces the use of global 227 with an immediate value that gives +// a reasonable fade speed. +// Applies to at least: US English +static const uint16 phant2SlowIFadeSignature[] = { + 0x43, 0x21, SIG_UINT16(0), // callk FrameOut, 0 + SIG_MAGICDWORD, + 0x67, 0x03, // pTos 03 (scratch) + 0x81, 0xe3, // lag $e3 (227) + SIG_END +}; + +static const uint16 phant2SlowIFadePatch[] = { + PATCH_ADDTOOFFSET(6), // skip to lag + 0x35, 0x05, // ldi 5 + PATCH_END +}; + +// script, description, signature patch +static const SciScriptPatcherEntry phantasmagoria2Signatures[] = { + { true, 0, "slow interface fades", 3, phant2SlowIFadeSignature, phant2SlowIFadePatch }, + SCI_SIGNATUREENTRY_TERMINATOR +}; + #endif // =========================================================================== @@ -5679,6 +5709,10 @@ void ScriptPatcher::processScript(uint16 scriptNr, SciSpan<byte> scriptData) { case GID_PHANTASMAGORIA: signatureTable = phantasmagoriaSignatures; break; + + case GID_PHANTASMAGORIA2: + signatureTable = phantasmagoria2Signatures; + break; #endif case GID_PQ1: signatureTable = pq1vgaSignatures; |