diff options
Diffstat (limited to 'engines/sci/engine/script_patches.cpp')
| -rw-r--r-- | engines/sci/engine/script_patches.cpp | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/engines/sci/engine/script_patches.cpp b/engines/sci/engine/script_patches.cpp index 7641a32528..7b59f45824 100644 --- a/engines/sci/engine/script_patches.cpp +++ b/engines/sci/engine/script_patches.cpp @@ -13976,15 +13976,23 @@ static const uint16 qfg4ChaseRepeatsPatch[] = { // We fix this by disposing of each cast member before painting black instead of // hiding them. This hides them and terminates their motions. This exposes the // previously unused 300 cycle delay, which is much longer than normal, so we -// also change that to 2 seconds. This is consistent with existing behavior -// and it's the same delay used in room 290's working version of this script. +// also change that to 4 seconds. This is consistent with existing behavior +// and close to the delay used in room 290's working version of this script. // The majority of this patch is to free up the single byte needed to change // the 8-bit hide selector to 16-bit dispose. // +// Several rooms that sBlackOut takes place in, such as 557, have doit methods +// that can initiate new necrotaur motions after the cast has been disposed, +// which also crashes. We fix this by clearing flag 35 as each of these rooms +// requires it to be set to set a necrotaur motion. This is the "hunt" flag. +// It's okay to clear it here as it gets cleared in the dungeon. +// // Applies to: All versions // Responsible method: sBlackOut:changeState(3) // Fixes bug: #11056 static const uint16 qfg4NecrotaurBlackoutSignature[] = { + 0x31, 0x4f, // bnt 4f [ next state ] + SIG_ADDTOOFFSET(+11), SIG_MAGICDWORD, 0x39, SIG_SELECTOR8(hide), // pushi hide 0x81, 0x05, // lag 05 @@ -14006,11 +14014,18 @@ static const uint16 qfg4NecrotaurBlackoutSignature[] = { 0x36, // push [ room:plane for kUpdatePlane ] SIG_ADDTOOFFSET(+29), 0x34, SIG_UINT16(0x012c), // ldi 012c - 0x65, // aTop cycles [ cycles = 300 ] + 0x65, SIG_ADDTOOFFSET(+1), // aTop cycles [ cycles = 300 ] + 0x33, 0x1c, // jmp 1c [ end of method ] + 0x3c, // dup + 0x35, SIG_ADDTOOFFSET(+1), // ldi 04 or 05 + 0x1a, // eq? + 0x31, 0x16, // bnt 16 [ end of method ] SIG_END }; static const uint16 qfg4NecrotaurBlackoutPatch[] = { + 0x31, 0x55, // bnt 55 [ next state ] + PATCH_ADDTOOFFSET(+11), 0x38, PATCH_SELECTOR16(dispose), // pushi dispose 0x81, 0x05, // lag 05 0x4a, PATCH_UINT16(0x0006), // send 06 [ cast eachElementDo: dispose ] @@ -14023,13 +14038,18 @@ static const uint16 qfg4NecrotaurBlackoutPatch[] = { 0x39, PATCH_SELECTOR8(back), // pushi back 0x39, 0x01, // pushi 01 0x39, 0x00, // pushi 00 - 0x39, PATCH_GETORIGINALBYTE(+13), // pushi picture + 0x39, PATCH_GETORIGINALBYTE(+26), // pushi picture 0x39, 0x01, // pushi 01 0x39, 0xff, // pushi ff 0x4a, PATCH_UINT16(0x000c), // send 0c [ room:plane back: 0 picture: -1 ] PATCH_ADDTOOFFSET(+29), - 0x34, PATCH_UINT16(0x0002), // ldi 0002 - 0x65, PATCH_GETORIGINALBYTEADJUST(+65, +2), // aTop seconds [ seconds = 2 ] + 0x35, 0x04, // ldi 04 + 0x65, PATCH_GETORIGINALBYTEADJUST(+78, +2), // aTop seconds [ seconds = 4 ] + 0x78, // push1 + 0x39, 0x23, // pushi 23 + 0x45, 0x03, PATCH_UINT16(0x0002), // callb proc0_3 02 [ clear flag 35 ] + 0x3a, // toss + 0x48, // ret PATCH_END }; |