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#3638 KQ2: Bug when rubbing genie lamp
closed-later
nobody
5
2009-01-08
2008-02-27
No
ScummVM version: 0.11.0 (Jan 13 2008 14:39:54) and 0.12.0svn (Feb 27 2008 09:54:55)
Game Language: English
Game Version: 2.1 (1987-04-10/DOS/English) - from the "King's Quest Collection"
Platform: Windows (XP)
After getting the oil lamp from the lady in the antique shop (in exchange for the bird cage), she kicks you out of the shop. If you type "rub lamp" (while right by the door), or while still on the patio and stairs (without walking around too much), your character "slides".
By default I think you slide to the left if you haven't moved since being kicked out the shop, otherwise you slide in the last direction you walked.
The bug doesn't seem to occur if you've walked around a bit, or down the stairs.
Unfortunately in the saved game I had already moved away from the door (I was trying in different locations, and accidentally over-wrote my original save just outside the door). The bug can still be reproduced in it if you just type "rub lamp" without moving.
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This bug doesn't affect gameplay - after the genie animation and dialog your character is returned to the original location, and the game continues to function fine (for all three times that you have to "rub lamp").
'rub lamp' and see Graham flying right
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I loaded the game from the attached
kq2.000 and walked to another spot
outside the antique shop and saved the
game as kq2.001.
If you use this new savegame (kq2.001)
and rub the lamp, king Graham will start
flying to the right and fly right out of
the screen and continue flying right in
the next screen with the genie lamp in
his hand until he hits a tree and stops.
The genie never says anything and Graham
is left with the genie lamp in his hand.
So there's definitely something bugging here...
File Added: kq2.001
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I tried the game with the original
interpreter (PC AGI v2.411) and there
happens some sliding there too when rubbing
the lamp near obstacles (e.g. the stairs)
but at least with the original interpreter
I couldn't reproduce the flying to the
right out of the screen -effect I mentioned
earlier.
Some debugging info for testing the
game under the original interpreter:
ALT-D enables debug mode in KQ2.
oil lamp = object 72
outside antique shop = room 20
When in debug mode get the lamp using
command "get object" and teleport to
outside the antique shop using command "tp"
(Be sure not to teleport inside a tree
or something weird, so walk around to a
good spot beforehand ;-)).
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I think that the relevant logic scripts are 20 and 21. Script 21 contain the following:
if ((has("oil lamp") ||
has("carpet"))) {
load.view(65); <----- King Graham with Genie
load.view(98); <----- King Graham on magic carpet
}
(...)
And script 20 contains the following:
if ((has("carpet") ||
has("oil lamp"))) {
if (right.posn(o0,85,70,122,106)) {
start.update(o3);
stop.cycling(o3);
stop.motion(o3);
set(f30);
}
(...)
Not sure why those 2 items are in the same if case, however this *might* be what's causing this (i.e. it's a bug in the original game scripts)
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I'm not currently working on this so I'm putting this back to the pool.
This bugreport has been moved to Wiki to relevant Engine/TODO page. When the bug will be resolved, an appropriate message will be posted here and the bugreport link removed from Wiki