libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2024-12-14 21:59:17 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

SCI32: Make QFG4 tentacle patch GOG compatible

Browse Source
This commit is contained in:
sluicebox 2019-06-26 16:13:43 -07:00 committed by Filippos Karapetis
parent fb71c73ff0
commit 1f0f4c9642
1 changed files with 45 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
engines/sci/engine/script_patches.cpp
View File

@ -10543,6 +10543,9 @@ static const uint16 qfg4TentacleWrigglePatch[] = {
//
// Crossing from the left (crossByHandLeft) doesn't require fixing.
//
// This patch doesn't apply to the NRS version which ships with the GOG release
// as it throttles the frequency of crossByHand:doit which fixes the bug.
//
// Applies to at least: English CD, English floppy, German floppy
// Responsible method: crossByHand::changeState(3) in script 710
// Fixes bug: #10615
@ -10616,6 +10619,9 @@ static const uint16 qfg4PitRopeFighterPatch[] = {
// state 5 code thought 0/1 meant move right/left. Whereas state 4 decides 0/1
// means abort/cross, only ever moving left. The rightward MoveTo never runs.
//
// We also include a version of this for the instruction sizes in the NRS patch,
// which is important as that ships with the GOG version.
//
// Applies to at least: English CD, English floppy, German floppy
// Responsible method: sLevitateOverPit::changeState(5) in script 710
// Fixes bug: #10615
@ -10647,7 +10653,7 @@ static const uint16 qfg4PitRopeMagePatch1[] = {
0x81, 0x00, // lag global[0] (hero)
0x4a, PATCH_UINT16(0x0004), // send 4d
0xa3, 0x02, // sal local[2] (cache again)
//
//
0x38, PATCH_SELECTOR16(setSpeed), // pushi setSpeed
0x78, // push1
0x39, 0x08, // pushi 8d (set our fixed speed)
@ -10657,6 +10663,43 @@ static const uint16 qfg4PitRopeMagePatch1[] = {
PATCH_END
};
static const uint16 qfg4PitRopeMageNrsSignature1[] = {
0x30, SIG_UINT16(0x0016), // bnt 22d [if register == 0 (never), move right]
SIG_ADDTOOFFSET(+19), // ... (move left)
0x32, SIG_ADDTOOFFSET(+2), // jmp ?? [end the switch]
0x38, SIG_SELECTOR16(setMotion), // pushi setMotion (move right)
0x39, 0x04, // pushi 4d
0x51, SIG_ADDTOOFFSET(+1), // class MoveTo
0x36, // push
SIG_MAGICDWORD,
0x38, SIG_UINT16(0x00da), // pushi 218d
0x39, 0x30, // pushi 48d
0x7c, // pushSelf
0x81, 0x00, // lag global[0] (hero)
0x4a, SIG_UINT16(0x000c), // send 12d
0x32, SIG_ADDTOOFFSET(+2), // jmp ?? [end the switch]
SIG_END
};
static const uint16 qfg4PitRopeMageNrsPatch1[] = {
0x34, PATCH_UINT16(0x0000), // ldi 0 (erase the branch)
PATCH_ADDTOOFFSET(+19), // ...
0x38, PATCH_SELECTOR16(cycleSpeed), // pushi cycleSpeed
0x76, // push0
0x81, 0x00, // lag global[0] (hero)
0x4a, PATCH_UINT16(0x0004), // send 4d
0xa3, 0x02, // sal local[2] (cache again)
//
0x38, PATCH_SELECTOR16(setSpeed), // pushi setSpeed
0x78, // push1
0x39, 0x08, // pushi 8d (set our fixed speed)
0x81, 0x00, // lag global[0] (hero)
0x4a, PATCH_UINT16(0x0006), // send 6d
PATCH_END
};
// Responsible method: sLevitateOverPit::changeState(9) in script 710
static const uint16 qfg4PitRopeMageSignature2[] = {
SIG_MAGICDWORD,
@ -12058,6 +12101,7 @@ static const SciScriptPatcherEntry qfg4Signatures[] = {
{ true, 710, "fix tentacle wriggle cycler", 1, qfg4TentacleWriggleSignature, qfg4TentacleWrigglePatch },
{ true, 710, "fix tentacle retraction for fighter", 1, qfg4PitRopeFighterSignature, qfg4PitRopeFighterPatch },
{ true, 710, "fix tentacle retraction for mage (1/2)", 1, qfg4PitRopeMageSignature1, qfg4PitRopeMagePatch1 },
{ true, 710, "NRS: fix tentacle retraction for mage (1/2)", 1, qfg4PitRopeMageNrsSignature1, qfg4PitRopeMageNrsPatch1 },
{ true, 710, "fix tentacle retraction for mage (2/2)", 1, qfg4PitRopeMageSignature2, qfg4PitRopeMagePatch2 },
{ true, 730, "fix ad avis timeout", 1, qfg4AdAvisTimeoutSignature, qfg4AdAvisTimeoutPatch },
{ true, 730, "Floppy: fix casting spells at ad avis", 1, qfg4AdAvisSpellsFloppySignature, qfg4AdAvisSpellsFloppyPatch },