diff --git a/isle.mak b/isle.mak
index b066ca73..90ce7420 100644
--- a/isle.mak
+++ b/isle.mak
@@ -32,8 +32,8 @@ NULL=nul
 # Begin Project
 # PROP Target_Last_Scanned "isle - Win32 Debug"
 CPP=cl.exe
-RSC=rc.exe
 MTL=mktyplib.exe
+RSC=rc.exe
 
 !IF  "$(CFG)" == "isle - Win32 Release"
 
@@ -57,6 +57,7 @@ CLEAN :
 	-@erase "$(INTDIR)\isle.obj"
 	-@erase "$(INTDIR)\isle.res"
 	-@erase "$(INTDIR)\main.obj"
+	-@erase "$(INTDIR)\mxomnicreateparambase.obj"
 	-@erase "$(OUTDIR)\isle.exe"
 
 "$(OUTDIR)" :
@@ -92,7 +93,8 @@ LINK32_OBJS= \
 	"$(INTDIR)\define.obj" \
 	"$(INTDIR)\isle.obj" \
 	"$(INTDIR)\isle.res" \
-	"$(INTDIR)\main.obj"
+	"$(INTDIR)\main.obj" \
+	"$(INTDIR)\mxomnicreateparambase.obj"
 
 "$(OUTDIR)\isle.exe" : "$(OUTDIR)" $(DEF_FILE) $(LINK32_OBJS)
     $(LINK32) @<<
@@ -121,6 +123,7 @@ CLEAN :
 	-@erase "$(INTDIR)\isle.obj"
 	-@erase "$(INTDIR)\isle.res"
 	-@erase "$(INTDIR)\main.obj"
+	-@erase "$(INTDIR)\mxomnicreateparambase.obj"
 	-@erase "$(INTDIR)\vc40.idb"
 	-@erase "$(INTDIR)\vc40.pdb"
 	-@erase "$(OUTDIR)\isle.exe"
@@ -160,7 +163,8 @@ LINK32_OBJS= \
 	"$(INTDIR)\define.obj" \
 	"$(INTDIR)\isle.obj" \
 	"$(INTDIR)\isle.res" \
-	"$(INTDIR)\main.obj"
+	"$(INTDIR)\main.obj" \
+	"$(INTDIR)\mxomnicreateparambase.obj"
 
 "$(OUTDIR)\isle.exe" : "$(OUTDIR)" $(DEF_FILE) $(LINK32_OBJS)
     $(LINK32) @<<
@@ -233,11 +237,13 @@ DEP_CPP_ISLE_=\
 	".\lib\legoworldpresenter.h"\
 	".\lib\mxatomid.h"\
 	".\lib\mxbackgroundaudiomanager.h"\
+	".\lib\mxcore.h"\
 	".\lib\mxdirectdraw.h"\
 	".\lib\mxdsaction.h"\
 	".\lib\mxomni.h"\
 	".\lib\mxomnicreateflags.h"\
 	".\lib\mxomnicreateparam.h"\
+	".\lib\mxomnicreateparambase.h"\
 	".\lib\mxpalette.h"\
 	".\lib\mxrect32.h"\
 	".\lib\mxstreamcontroller.h"\
@@ -260,8 +266,39 @@ DEP_CPP_ISLE_=\
 # Begin Source File
 
 SOURCE=.\app\main.cpp
+DEP_CPP_MAIN_=\
+	".\app\define.h"\
+	".\app\isle.h"\
+	".\lib\define.h"\
+	".\lib\legoanimationmanager.h"\
+	".\lib\legobuildingmanager.h"\
+	".\lib\legogamestate.h"\
+	".\lib\legoinputmanager.h"\
+	".\lib\legomodelpresenter.h"\
+	".\lib\legoomni.h"\
+	".\lib\legopartpresenter.h"\
+	".\lib\legoroi.h"\
+	".\lib\legovideomanager.h"\
+	".\lib\legoworldpresenter.h"\
+	".\lib\mxatomid.h"\
+	".\lib\mxbackgroundaudiomanager.h"\
+	".\lib\mxdsaction.h"\
+	".\lib\mxomnicreateflags.h"\
+	".\lib\mxomnicreateparam.h"\
+	".\lib\mxpalette.h"\
+	".\lib\mxrect32.h"\
+	".\lib\mxstreamcontroller.h"\
+	".\lib\mxstreamer.h"\
+	".\lib\mxstring.h"\
+	".\lib\mxticklemanager.h"\
+	".\lib\mxtimer.h"\
+	".\lib\mxtransitionmanager.h"\
+	".\lib\mxvariabletable.h"\
+	".\lib\mxvideoparam.h"\
+	".\lib\mxvideoparamflags.h"\
+	
 
-"$(INTDIR)\main.obj" : $(SOURCE) "$(INTDIR)"
+"$(INTDIR)\main.obj" : $(SOURCE) $(DEP_CPP_MAIN_) "$(INTDIR)"
    $(CPP) $(CPP_PROJ) $(SOURCE)
 
 
@@ -287,6 +324,27 @@ SOURCE=.\app\res\isle.rc
 
 !ENDIF 
 
+# End Source File
+################################################################################
+# Begin Source File
+
+SOURCE=.\lib\mxomnicreateparambase.cpp
+DEP_CPP_MXOMN=\
+	".\lib\mxomnicreateflags.h"\
+	".\lib\mxomnicreateparam.h"\
+	".\lib\mxomnicreateparambase.h"\
+	".\lib\mxpalette.h"\
+	".\lib\mxrect32.h"\
+	".\lib\mxstring.h"\
+	".\lib\mxvariabletable.h"\
+	".\lib\mxvideoparam.h"\
+	".\lib\mxvideoparamflags.h"\
+	
+
+"$(INTDIR)\mxomnicreateparambase.obj" : $(SOURCE) $(DEP_CPP_MXOMN) "$(INTDIR)"
+   $(CPP) $(CPP_PROJ) $(SOURCE)
+
+
 # End Source File
 # End Target
 # End Project
diff --git a/isle.mdp b/isle.mdp
index 23728fd5..f6af68b7 100644
Binary files a/isle.mdp and b/isle.mdp differ
diff --git a/lib/mxcore.h b/lib/mxcore.h
new file mode 100644
index 00000000..a3ec87c7
--- /dev/null
+++ b/lib/mxcore.h
@@ -0,0 +1,14 @@
+#ifndef MXCORE_H
+#define MXCORE_H
+
+class MxCore
+{
+public:
+  virtual ~MxCore();
+
+private:
+  unsigned int m_id;
+
+};
+
+#endif // MXCORE_H
diff --git a/lib/mxomnicreateparam.h b/lib/mxomnicreateparam.h
index 52a3a2bd..f72623aa 100644
--- a/lib/mxomnicreateparam.h
+++ b/lib/mxomnicreateparam.h
@@ -4,14 +4,14 @@
 #include <Windows.h>
 
 #include "mxomnicreateflags.h"
+#include "mxomnicreateparambase.h"
 #include "mxstring.h"
 #include "mxvideoparam.h"
 
-class MxOmniCreateParam
+class MxOmniCreateParam : public MxOmniCreateParamBase
 {
 public:
   __declspec(dllexport) MxOmniCreateParam(const char *mediaPath, struct HWND__ *windowHandle, MxVideoParam &vparam, MxOmniCreateFlags flags);
-
   virtual void vtable00();
 
 private:
diff --git a/lib/mxomnicreateparambase.cpp b/lib/mxomnicreateparambase.cpp
new file mode 100644
index 00000000..fe7c5836
--- /dev/null
+++ b/lib/mxomnicreateparambase.cpp
@@ -0,0 +1,6 @@
+#include "mxomnicreateparam.h"
+
+MxOmniCreateParamBase::~MxOmniCreateParamBase()
+{
+
+}
diff --git a/lib/mxomnicreateparambase.h b/lib/mxomnicreateparambase.h
new file mode 100644
index 00000000..fee0a488
--- /dev/null
+++ b/lib/mxomnicreateparambase.h
@@ -0,0 +1,13 @@
+#ifndef MXOMNICREATEPARAMBASE_H
+#define MXOMNICREATEPARAMBASE_H
+
+// FIXME: Clearly not its real name
+class MxOmniCreateParamBase
+{
+public:
+  ~MxOmniCreateParamBase();
+  virtual void vtable00(){}
+
+};
+
+#endif // MXOMNICREATEPARAMBASE_H
diff --git a/lib/mxstring.h b/lib/mxstring.h
index a28e446c..16878e94 100644
--- a/lib/mxstring.h
+++ b/lib/mxstring.h
@@ -1,15 +1,16 @@
 #ifndef MXSTRING_H
 #define MXSTRING_H
 
-class MxString
+#include "mxcore.h"
+
+class MxString : public MxCore
 {
 public:
+  __declspec(dllexport) virtual ~MxString();
 
 private:
-  int m_unk00;
-  int m_unk04;
-  int m_unk08;
-  int m_unk0c;
+  char *m_data;
+  unsigned short m_length;
 
 };
 
diff --git a/lib/mxvideoparam.h b/lib/mxvideoparam.h
index c5b7199f..836b7a9d 100644
--- a/lib/mxvideoparam.h
+++ b/lib/mxvideoparam.h
@@ -11,6 +11,7 @@ class MxVideoParam
 public:
   __declspec(dllexport) MxVideoParam();
   __declspec(dllexport) MxVideoParam(MxRect32 &rect, MxPalette *pal, unsigned long p3, MxVideoParamFlags &flags);
+  __declspec(dllexport) ~MxVideoParam();
 
   __declspec(dllexport) void SetDeviceName(char *id);