[Scummvm-tracker] [ScummVM] #10087: TITANIC: Assertion failure using volume slider

Colin Snover trac at scummvm.org
Wed Aug 9 05:26:31 CEST 2017


#10087: TITANIC: Assertion failure using volume slider
--------------------+------------------------------
Reporter:  csnover  |      Owner:  (none)
    Type:  defect   |     Status:  new
Priority:  normal   |  Component:  Engine: Titanic
Keywords:           |       Game:  Starship Titanic
--------------------+------------------------------
 Build: 6fac0ace2c844aa68c2482362021981ed1db931b + PR 975, macOS 10.11, SDL
 2.0.5, ASan on

 Reproduction:

 This bug is not consistently reproducible using these instructions.
 Sometimes it takes a few tries of dragging before it breaks.
 Reproducibility seemed to be improved by fast mouse movement and by
 interacting with the right quarter of the black slider, but that could be
 coincidental.

 1. Load attached save
 2. Click on volume button in the settings panel
 3. Click on the black slider for Master volume until the music fades out
 (not sure if this step is required)
 4. Mouse down on the Master volume black slider, drag, release

 Expected: No crash (not sure what the correct behaviour here is supposed
 to be, probably either snapping the volume back to its original position
 or setting it to wherever it is when the mouse button is released)
 Actual: Crash

 Console output:

 {{{
 Assertion failed: (_hideCounter >= 0), function decHideCounter, file
 scummvm/engines/titanic/support/mouse_cursor.cpp, line 109.
 }}}

 Backtrace:

 {{{
 [...]
 #4      0x0000000100236be4 in Titanic::CMouseCursor::decHideCounter() at
 scummvm/engines/titanic/support/mouse_cursor.cpp:109
 #5      0x000000010000853f in
 Titanic::CCarry::MouseDragEndMsg(Titanic::CMouseDragEndMsg*) at
 scummvm/engines/titanic/carry/carry.cpp:126
 #6      0x0000000100020f55 in
 Titanic::CPhotograph::MouseDragEndMsg(Titanic::CMouseDragEndMsg*) at
 scummvm/engines/titanic/carry/photograph.cpp:71
 #7      0x00000001001443a1 in
 Titanic::CMessage::perform(Titanic::CTreeItem*) at
 scummvm/engines/titanic/messages/messages.cpp:105
 #8      0x0000000100143ef4 in
 Titanic::CMessage::execute(Titanic::CTreeItem*, Titanic::ClassDef const*,
 int) at scummvm/engines/titanic/messages/messages.cpp:58
 #9      0x00000001002db755 in
 Titanic::CInputHandler::processMessage(Titanic::CMessage*) at
 scummvm/engines/titanic/input_handler.cpp:110
 #10     0x00000001002dad5a in
 Titanic::CInputHandler::handleMessage(Titanic::CMessage&, bool) at
 scummvm/engines/titanic/input_handler.cpp:69
 #11     0x00000001002dc7bc in Titanic::CInputTranslator::leftButtonUp(int,
 Common::Point const&) at scummvm/engines/titanic/input_translator.cpp:60
 #12     0x00000001002e06d1 in
 Titanic::CMainGameWindow::leftButtonUp(Common::Point const&) at
 scummvm/engines/titanic/main_game_window.cpp:286
 #13     0x00000001002d1766 in Titanic::Events::pollEvents() at
 scummvm/engines/titanic/events.cpp:103
 #14     0x00000001002d20a1 in Titanic::Events::pollEventsAndWait() at
 scummvm/engines/titanic/events.cpp:109
 #15     0x00000001002e571d in Titanic::TitanicEngine::run() at
 scummvm/engines/titanic/titanic.cpp:144
 #16     0x000000010047ecf7 in runGame(PluginSubclass<MetaEngine> const*,
 OSystem&, Common::String const&) [inlined] at scummvm/base/main.cpp:263
 #17     0x000000010047eb14 in ::scummvm_main(int, const char *const *) at
 scummvm/base/main.cpp:529
 #18     0x000000010045052a in main at scummvm/backends/platform/sdl/macosx
 /macosx-main.cpp:45
 }}}

--
Ticket URL: <https://bugs.scummvm.org/ticket/10087>
ScummVM <https://bugs.scummvm.org>
ScummVM


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