diff options
Diffstat (limited to 'engines/sci/engine/script_patches.cpp')
| -rw-r--r-- | engines/sci/engine/script_patches.cpp | 168 |
1 files changed, 166 insertions, 2 deletions
diff --git a/engines/sci/engine/script_patches.cpp b/engines/sci/engine/script_patches.cpp index 70436e1269..e6eed0b4b7 100644 --- a/engines/sci/engine/script_patches.cpp +++ b/engines/sci/engine/script_patches.cpp @@ -1453,6 +1453,167 @@ static const SciScriptPatcherEntry kq6Signatures[] = { }; // =========================================================================== + +// King's Quest 7 has really weird subtitles. It seems as if the subtitles were +// not fully finished. +// +// Method kqMessager::findTalker in script 0 tries to figure out, which class to use for +// displaying subtitles. It uses the "talker" data of the given message to do that. +// Strangely this "talker" data seems to be quite broken. +// For example chapter 2 starts with a cutscene. +// Troll king: "Welcome, most beautiful of princesses!" - talker 6 +// Which is followed by the princess going +// "Hmm?" - which is set to talker 99, normally the princess is talker 7. +// +// Talker 99 is seen as unknown and thus treated as "narrator", which makes +// the scripts put the text at the top of the game screen and even use a +// different font. +// +// In other cases, when the player character thinks to himself talker 99 +// is also used. In such situations it may make somewhat sense to do so, +// but putting the text at the top of the screen is also irritating to the player. +// It's really weird. +// +// The scripts also put the regular text in the middle of the screen, blocking +// animations. +// +// And for certain rooms, the subtitle box may use another color +// like for example pink/purple at the start of chapter 5. +// +// We fix all of that (hopefully - lots of testing is required). +// We put the text at the bottom of the play screen. +// We also make the scripts use the regular KQTalker instead of KQNarrator. +// And we also make the subtitle box use color 255, which is fixed white. +// +// Applies to at least: PC CD 1.4 English, 1.51 English, 1.51 German, 2.00 English +// Patched method: KQNarrator::init (script 31) +static const uint16 kq7SignatureSubtitleFix1[] = { + SIG_MAGICDWORD, + 0x39, 0x25, // pushi 25h (fore) + 0x78, // push1 + 0x39, 0x06, // pushi 06 - sets back to 6 + 0x39, 0x26, // pushi 26 (back) + 0x78, // push1 + 0x78, // push1 - sets back to 1 + 0x39, 0x2a, // pushi 2Ah (font) + 0x78, // push1 + 0x89, 0x16, // lsg global[16h] - sets font to global[16h] + 0x7a, // push2 (y) + 0x78, // push1 + 0x76, // push0 - sets y to 0 + 0x54, SIG_UINT16(0x0018), // self 18h + SIG_END +}; + +static const uint16 kq7PatchSubtitleFix1[] = { + 0x33, 0x12, // jmp [skip special init code] + PATCH_END +}; + +// Applies to at least: PC CD 1.51 English, 1.51 German, 2.00 English +// Patched method: Narrator::init (script 64928) +static const uint16 kq7SignatureSubtitleFix2[] = { + SIG_MAGICDWORD, + 0x89, 0x5a, // lsg global[5a] + 0x35, 0x02, // ldi 02 + 0x12, // and + 0x31, 0x1e, // bnt [skip audio volume code] + 0x38, SIG_ADDTOOFFSET(+2), // pushi masterVolume (0212h for 2.00, 0219h for 1.51) + 0x76, // push0 + 0x81, 0x01, // lag global[1] + 0x4a, 0x04, 0x00, // send 04 + 0x65, 0x32, // aTop curVolume + 0x38, SIG_ADDTOOFFSET(+2), // pushi masterVolume (0212h for 2.00, 0219h for 1.51) + 0x78, // push1 + 0x67, 0x32, // pTos curVolume + 0x35, 0x02, // ldi 02 + 0x06, // mul + 0x36, // push + 0x35, 0x03, // ldi 03 + 0x08, // div + 0x36, // push + 0x81, 0x01, // lag global[1] + 0x4a, 0x06, 0x00, // send 06 + // end of volume code + 0x35, 0x01, // ldi 01 + 0x65, 0x28, // aTop initialized + SIG_END +}; + +static const uint16 kq7PatchSubtitleFix2[] = { + PATCH_ADDTOOFFSET(+5), // skip to bnt + 0x31, 0x1b, // bnt [skip audio volume code] + PATCH_ADDTOOFFSET(+15), // right after "aTop curVolume / pushi masterVolume / push1" + 0x7a, // push2 + 0x06, // mul (saves 3 bytes in total) + 0x36, // push + 0x35, 0x03, // ldi 03 + 0x08, // div + 0x36, // push + 0x81, 0x01, // lag global[1] + 0x4a, 0x06, 0x00, // send 06 + // end of volume code + 0x35, 118, // ldi 118d + 0x65, 0x16, // aTop y + 0x78, // push1 (saves 1 byte) + 0x69, 0x28, // sTop initialized + PATCH_END +}; + +// Applies to at least: PC CD 1.51 English, 1.51 German, 2.00 English +// Patched method: Narrator::say (script 64928) +static const uint16 kq7SignatureSubtitleFix3[] = { + SIG_MAGICDWORD, + 0x63, 0x28, // pToa initialized + 0x18, // not + 0x31, 0x07, // bnt [skip init code] + 0x38, SIG_ADDTOOFFSET(+2), // pushi init (008Eh for 2.00, 0093h for 1.51) + 0x76, // push0 + 0x54, SIG_UINT16(0x0004), // self 04 + // end of init code + 0x8f, 0x00, // lsp param[0] + 0x35, 0x01, // ldi 01 + 0x1e, // gt? + 0x31, 0x08, // bnt [set acc to 0] + 0x87, 0x02, // lap param[2] + 0x31, 0x04, // bnt [set acc to 0] + 0x87, 0x02, // lap param[2] + 0x33, 0x02, // jmp [over set acc to 0 code] + 0x35, 0x00, // ldi 00 + 0x65, 0x18, // aTop caller + SIG_END +}; + +static const uint16 kq7PatchSubtitleFix3[] = { + PATCH_ADDTOOFFSET(+2), // skip over "pToa initialized code" + 0x2f, 0x0c, // bt [skip init code] - saved 1 byte + 0x38, + PATCH_GETORIGINALBYTE(+6), + PATCH_GETORIGINALBYTE(+7), // pushi (init) + 0x76, // push0 + 0x54, PATCH_UINT16(0x0004), // self 04 + // additionally set background color here (5 bytes) + 0x34, PATCH_UINT16(255), // pushi 255d + 0x65, 0x2e, // aTop back + // end of init code + 0x8f, 0x00, // lsp param[0] + 0x35, 0x01, // ldi 01 - this may get optimized to get another byte + 0x1e, // gt? + 0x31, 0x04, // bnt [set acc to 0] + 0x87, 0x02, // lap param[2] + 0x2f, 0x02, // bt [over set acc to 0 code] + PATCH_END +}; + +// script, description, signature patch +static const SciScriptPatcherEntry kq7Signatures[] = { + { true, 31, "subtitle fix 1/3", 1, kq7SignatureSubtitleFix1, kq7PatchSubtitleFix1 }, + { true, 64928, "subtitle fix 2/3", 1, kq7SignatureSubtitleFix2, kq7PatchSubtitleFix2 }, + { true, 64928, "subtitle fix 3/3", 1, kq7SignatureSubtitleFix3, kq7PatchSubtitleFix3 }, + SCI_SIGNATUREENTRY_TERMINATOR +}; + +// =========================================================================== // Script 210 in the German version of Longbow handles the case where Robin // hands out the scroll to Marion and then types his name using the hand code. // The German version script contains a typo (probably a copy/paste error), @@ -1506,9 +1667,9 @@ static const uint16 longbowPatchShowHandCode[] = { // that's why I rather patched the code, that uses the locals for a lookup. // Which means it doesn't matter anymore when those locals are overwritten. // -// Applies to at least: English PC floppy, German PC floppy (not tested), English Amiga floppy +// Applies to at least: English PC floppy, German PC floppy, English Amiga floppy // Responsible method: export 2 of script 225 -// Fixes bug: #6571 +// Fixes bug: #6751 static const uint16 longbowSignatureBerryBushFix[] = { 0x89, 0x70, // lsg global[70h] 0x35, 0x03, // ldi 03h @@ -4453,6 +4614,9 @@ void ScriptPatcher::processScript(uint16 scriptNr, byte *scriptData, const uint3 case GID_KQ6: signatureTable = kq6Signatures; break; + case GID_KQ7: + signatureTable = kq7Signatures; + break; case GID_LAURABOW: signatureTable = laurabow1Signatures; break; |