+class MapEditEventAreaIgnorer
+{
+public:
+ MapEditEventAreaIgnorer(VoxelArea *ignorevariable, const VoxelArea &a):
+ m_ignorevariable(ignorevariable)
+ {
+ if(m_ignorevariable->getVolume() == 0)
+ *m_ignorevariable = a;
+ else
+ m_ignorevariable = NULL;
+ }
+
+ ~MapEditEventAreaIgnorer()
+ {
+ if(m_ignorevariable)
+ {
+ assert(m_ignorevariable->getVolume() != 0);
+ *m_ignorevariable = VoxelArea();
+ }
+ }
+
+private:
+ VoxelArea *m_ignorevariable;
+};
+