[Scummvm-cvs-logs] SF.net SVN: scummvm: [28375] scummvm/trunk/engines/saga/saga.cpp
thebluegr at users.sourceforge.net
thebluegr at users.sourceforge.net
Wed Aug 1 02:38:28 CEST 2007
Revision: 28375
http://scummvm.svn.sourceforge.net/scummvm/?rev=28375&view=rev
Author: thebluegr
Date: 2007-07-31 17:38:28 -0700 (Tue, 31 Jul 2007)
Log Message:
-----------
Fix for the non-loading BBM files in the ITE demos with substitute scenes. This is a very strange bug, and it seems to be directly related to an issue with the Common::File class
Modified Paths:
--------------
scummvm/trunk/engines/saga/saga.cpp
Modified: scummvm/trunk/engines/saga/saga.cpp
===================================================================
--- scummvm/trunk/engines/saga/saga.cpp 2007-07-31 23:34:05 UTC (rev 28374)
+++ scummvm/trunk/engines/saga/saga.cpp 2007-08-01 00:38:28 UTC (rev 28375)
@@ -233,6 +233,30 @@
_voicesEnabled = true;
}
+ // WORKAROUND for a weird bug that I haven't been able to understand.
+ // In some ITE demos, scenes are substituted with pictures, which are
+ // loaded instead of the actual scene in Scene::changeScene(). The
+ // weird phenomenon is that NO files can be opened or found in that
+ // function. However, file existence works in other parts of the engine.
+ // The strange thing is that if we add a dummy file existence check here
+ // (or in any part of init() or go()) for a file that exists (it doesn't
+ // work if the file doesn't exist), files are opened correctly in the
+ // function. I don't know if this is a bug of the Common::File class or
+ // of the SAGA engine itself (or perhaps of a clashing definition?), but
+ // still, it's very strange that a file existence check fixes things. In
+ // both cases (with and without this dummy check here), the Common::File
+ // open function called from Scene::changeScene() finds the file through
+ // the _filesMap, but without this dummy check here, the handle returned
+ // is 0
+ // To reproduce: run any of the ITE demos that has scene substitutes like,
+ // for example, the ITE demo from Wyrmkeep's site. Enter the game, and
+ // exit the faire (to speed things up, open the debug console and type
+ // "scene_change 1", close the console and visit any place other than
+ // the faire)
+ // Since the files we need are BBM files, just check for the existence
+ // of one file of them here
+ if (Common::File::exists("tycho.bbm")) {}
+
// FIXME: This is the ugly way of reducing redraw overhead. It works
// well for 320x200 but it's unclear how well it will work for
// 640x480.
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