** Tags added: crash
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https://bugs.launchpad.net/bugs/1226558
Title:
getRoom in TArea causes seg fault on map creation
Status in Mudlet the MUD client:
New
Bug description:
Creating a new map with this code on the latest development branch
causes this backtrace:
0 TArea::fast_ausgaengeBestimmen TArea.cpp 168 0x5128bb
1 TMap::setExit TMap.cpp 304 0x5281ca
2 TLuaInterpreter::setExit TLuaInterpreter.cpp 6650
0x492075
3 ?? C:\mingw32\lib\lua51.dll 0x66d862e0
4 ?? C:\mingw32\lib\lua51.dll 0x66d8ffa6
5 ?? C:\mingw32\lib\lua51.dll 0x66d866e0
6 ?? C:\mingw32\lib\lua51.dll 0x66d81590
7 ?? C:\mingw32\lib\lua51.dll 0x66d85ad6
8 ?? C:\mingw32\lib\lua51.dll 0x66d86843
9 ?? C:\mingw32\lib\lua51.dll 0x66d82870
10 TLuaInterpreter::compile TLuaInterpreter.cpp 9649
0x49ce7a
11 TScript::compileScript TScript.cpp 150 0x4b04d7
12 TScript::setScript TScript.cpp 143 0x4b048e
13 dlgTriggerEditor::saveScript dlgTriggerEditor.cpp 4282
0x456ad9
14 dlgTriggerEditor::slot_saveScriptAfterEdit dlgTriggerEditor.cpp
4178 0x456799
15 dlgTriggerEditor::slot_save_edit dlgTriggerEditor.cpp 6932
0x46a642
16 dlgTriggerEditor::qt_static_metacall moc_dlgTriggerEditor.cpp
509 0x57ecd9
17 QMetaObject::activate qobject.cpp 3479 0x4c94cd0
18 QMetaObject::activate qobject.cpp 3354 0x4c94672
19 QAction::triggered moc_qaction.cpp 356 0x11674669
20 QAction::activate qaction.cpp 1175 0x11673c1e
... <More>
code:
-------------------------------------------------
-- Put your Lua functions here. --
-- --
-- Note that you can also use external Scripts --
-------------------------------------------------
function makeMap()
id = 0
for i=0,100 do
for j=0, 100 do
addRoom(id)
--setRoomArea(id,0) --uncomment this and remove below call to
avoid seg faults
setRoomName(id, tostring(id))
setRoomCoordinates(id, i, j, 0)
setExit(id-1,id,1)
setExit(id,id-1,2)
setRoomArea(id,0)
id = id+1
end
end
end
function makeLabels()
id=1
for i=0,100 do
for j=0, 100 do
--display(id)
x,y,z = getRoomCoordinates(id)
createMapLabel(0,tostring(id),x,y,z,0,255,0,0,0,0)
id = id+1
end
end
end
--makeMap()
--makeLabels()
centerview(1)
uncomment makeMap and it crashes. It fails when id is 1 as well, so it
isn't because of the i-1 setExit bit. It's caused by mpRoomDB not
being initialized because there is no area created. Even post
creation, the room needs to be assigned to an area first before any
calls to mpRoomDB are called, else it will seg fault. It seems like we
need some 'void' area that has no name and is just an abyss for rooms
waiting to be allocated to avoid breaking scripts.
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