[Bug 24406] Certain objects invisible in Recettear:An Item Shop's Tale

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=24406

Jeremy Chin <winehq at rekless.fastmail.fm> changed:

           What    |Removed                     |Added
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                 CC|                            |winehq at rekless.fastmail.fm

--- Comment #3 from Jeremy Chin <winehq at rekless.fastmail.fm> 2010-11-22 05:01:44 CST ---
I've done some poking around with this bug, but haven't yet found a fix.

First, there's a minor bug in the wine d3dxof implementation, where
IDirectXFileDataImpl_GetName fails if pstrNameBuf is NULL. Fixing this causes
the errors to match regardless of whether the native or builtin version of the
file is used.

In the demo there are a bunch of message boxes when you attempt to load the
dungeon. The first is "5", then "6 2", then "6 8" a few times, then a message
in Japanese ("データを読み込んで、フレームにがんがん発録していく"). The full version doesn't display
these messages, but has the same symptoms

The message and bug appear to be caused when Recettear tries to load an
animated .x model. The non-animated models are clearly fine, as the dungeon
floors and walls render fine. It tries to do something, recurses too deeply
(the "5" message for 5 levels, the message is something about frames while
loading the model) before giving up. As the bug occurs with both native and
builtin d3dxof.dll I'm guessing the bug is in a related d3d call, but I haven't
been able to determine what.

The problematic models for the demo are xfiles/tree/takarabako.x and
xfiles/tree/obj_door.x - the invisible treasure chests and exit door.

I've tried various workaround fixes:
-Simplifying the model to cut down the number of frames. Reduces the "6 8"
errors, but the "5" still appears.
-Cutting the animation out of the models. No effect. This seems to indicate the
animated and non-animated models have different loaders.
-Patching out the recursion check. I got one of them, but there's a second one
I can't track down that spits out more of the same errors.

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