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SCI: Enabled the GUI option to play speech and show subtitles simultaneously in SQ4CD

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svn-id: r54736
This commit is contained in:
Filippos Karapetis 2010-12-02 13:37:39 +00:00
parent 0ac28d1fbf
commit 4fe03f1b66
1 changed files with 72 additions and 0 deletions
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72
engines/sci/engine/script_patches.cpp
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@ -878,10 +878,82 @@ const uint16 sq4FloppyPatchEndlessFlight[] = {
PATCH_END
};
// The scripts in SQ4CD support simultaneous playing of speech and subtitles,
// but this was not available as an option. The following two patches enable
// this functionality in the game's GUI options dialog.
// Patch 1: iconTextSwitch::show, called when the text options button is shown.
// This is patched to add the "Both" text resource (i.e. we end up with
// "Speech", "Text" and "Both")
const byte sq4CdSignatureTextOptionsButton[] = {
11,
0x35, 0x01, // ldi 0x01
0xa1, 0x53, // sag 0x53
0x39, 0x03, // pushi 0x03
0x78, // push1
0x39, 0x09, // pushi 0x09
0x54, 0x06, // self 0x06
0
};
const uint16 sq4CdPatchTextOptionsButton[] = {
PATCH_ADDTOOFFSET | +7,
0x39, 0x0b, // pushi 0x0b
PATCH_END
};
// Patch 2: Add the ability to toggle among the three available options,
// when the text options button is clicked: "Speech", "Text" and "Both".
// Refer to the patch above for additional details.
// iconTextSwitch::doit (called when the text options button is clicked)
const byte sq4CdSignatureTextOptions[] = {
32,
0x89, 0x5a, // lsg 0x5a (load global 90 to stack)
0x3c, // dup
0x35, 0x01, // ldi 0x01
0x1a, // eq? (global 90 == 1)
0x31, 0x06, // bnt 0x06 (0x0691)
0x35, 0x02, // ldi 0x02
0xa1, 0x5a, // sag 0x5a (save acc to global 90)
0x33, 0x0a, // jmp 0x0a (0x69b)
0x3c, // dup
0x35, 0x02, // ldi 0x02
0x1a, // eq? (global 90 == 2)
0x31, 0x04, // bnt 0x04 (0x069b)
0x35, 0x01, // ldi 0x01
0xa1, 0x5a, // sag 0x5a (save acc to global 90)
0x3a, // toss
0x38, 0xd9, 0x00, // pushi 0x00d9
0x76, // push0
0x54, 0x04, // self 0x04
0x48, // ret
0
};
const uint16 sq4CdPatchTextOptions[] = {
0x89, 0x5a, // lsg 0x5a (load global 90 to stack)
0x3c, // dup
0x35, 0x03, // ldi 0x03 (acc = 3)
0x1a, // eq? (global 90 == 3)
0x2f, 0x07, // bt 0x07
0x89, 0x5a, // lsg 0x5a (load global 90 to stack again)
0x35, 0x01, // ldi 0x01 (acc = 1)
0x02, // add: acc = global 90 (on stack) + 1 (previous acc value)
0x33, 0x02, // jmp 0x02
0x35, 0x01, // ldi 0x01 (reset acc to 1)
0xa1, 0x5a, // sag 0x5a (save acc to global 90)
0x33, 0x03, // jmp 0x03 (jump over the wasted bytes below)
0x34, 0x00, 0x00, // ldi 0x0000 (waste 3 bytes)
0x3a, // toss
// (the rest of the code is the same)
PATCH_END
};
// script, description, magic DWORD, adjust
const SciScriptSignature sq4Signatures[] = {
{ 298, "Floppy: endless flight", 1, PATCH_MAGICDWORD(0x67, 0x08, 0x63, 0x44), -3, sq4FloppySignatureEndlessFlight, sq4FloppyPatchEndlessFlight },
{ 298, "Floppy (German): endless flight", 1, PATCH_MAGICDWORD(0x67, 0x08, 0x63, 0x4c), -3, sq4FloppySignatureEndlessFlightGerman, sq4FloppyPatchEndlessFlight },
{ 818, "CD: Speech and subtitles option", 1, PATCH_MAGICDWORD(0x89, 0x5a, 0x3c, 0x35), 0, sq4CdSignatureTextOptions, sq4CdPatchTextOptions },
{ 818, "CD: Speech and subtitles option button", 1, PATCH_MAGICDWORD(0x35, 0x01, 0xa1, 0x53), 0, sq4CdSignatureTextOptionsButton, sq4CdPatchTextOptionsButton },
SCI_SIGNATUREENTRY_TERMINATOR
};