- VC++ doesn't seem to like the TArray serializer so I added a workaround

to be able to save the 3dMidtex attachment info.
- Fixed: The TArray serializer needs to be declared as a friend of TArray
  in order to be able to access its fields.
- Since there are no backwards compatibility issues due to savegame version
  bumping I closed all gaps in the level flag set.
- Bumped min. Savegame version and Netgame version for 3dMidtex related
  changes.
- Changed Jump and Crouch DMFlags into 3-way switches:
  0: map default, 1: off, 2: on. Since I needed new bits the rest of
  the DMFlag bit values had to be changed as a result.
- fixed: PTR_SlideTraverse didn't check ML_BLOCKMONSTERS for sliding
  actors without MF3_NOBLOCKMONST.
- Added MAPINFO commands 'checkswitchrange' and 'nocheckswitchrange'
  that can enable or disable switch range checking globally per map.
- Changed ML_3DMIDTEX to force ML_CHECKSWITCHRANGE.
- Added a ML_CHECKSWITCHRANGE flag which allows checking whether the 
  player can actually reach the switch he wants to use.
- Made DActiveButton::EWhere global so that I can use it outside thr
  DActiveButton class.

March 17, 2008 (Changes by Graf Zahl)
- Changed P_LineOpening to pass its result in a struct instead of global
  variables.
- Added Eternity's 3DMIDTEX feature (no Eternity code used though.)
  It should be feature complete with the exception of the ML_BLOCKMONSTERS
  flag handling. That particular part of Eternity's implementation is
  sub-optimal because it hijacks an existing flag and doesn't seem to make
  much sense to me. Maybe I'll implement it as a separate flag later.


SVN r810 (trunk)

src/p_saveg.cpp

@@ -333,6 +333,8 @@ void P_SerializeWorld (FArchive &arc)
 			<< sec->FloorSkyBox << sec->CeilingSkyBox
 			<< sec->ZoneNumber
 			<< sec->oldspecial;
+
+		sec->e->Serialize(arc);
 		if (arc.IsStoring ())
 		{
 			arc << sec->ColorMap->Color
@@ -406,6 +408,48 @@ void P_SerializeWorld (FArchive &arc)
 	}
 }
 
+#if 0
+// VC++ produces a linker error when using the templated << operator
+void extsector_t::Serialize(FArchive &arc)
+{
+	arc << Midtex.Floor.AttachedLines 
+		<< Midtex.Floor.AttachedSectors
+		<< Midtex.Ceiling.AttachedLines
+		<< Midtex.Ceiling.AttachedSectors;
+}
+
+#else
+
+// Remove this when the problem above has been sorted out.
+template<class T>
+void SaveArray (FArchive &arc, TArray<T> &self)
+{
+	unsigned int i;
+
+	if (arc.IsStoring())
+	{
+		arc.WriteCount(self.Size());
+	}
+	else
+	{
+		DWORD numStored = arc.ReadCount();
+		self.Resize(numStored);
+	}
+	for (i = 0; i < self.Size(); ++i)
+	{
+		arc << self[i];
+	}
+}
+
+void extsector_t::Serialize(FArchive &arc)
+{
+	SaveArray(arc, Midtex.Floor.AttachedLines);
+	SaveArray(arc, Midtex.Floor.AttachedSectors);
+	SaveArray(arc, Midtex.Ceiling.AttachedLines);
+	SaveArray(arc, Midtex.Ceiling.AttachedSectors);
+}
+
+#endif
 
 //
 // Thinkers