Implement/match more functions

LEGO1/mxregion.cpp

@@ -105,6 +105,14 @@ void MxRegion::vtable1c()
   // TODO
 }
 
+// OFFSET: LEGO1 0x100c4c90
+MxRegionTopBottom::MxRegionTopBottom(MxS32 p_top, MxS32 p_bottom)
+{
+  m_top = p_top;
+  m_bottom = p_bottom;
+  m_leftRightList = new MxRegionLeftRightList;
+}
+
 // OFFSET: LEGO1 0x100c50e0
 MxRegionTopBottom::MxRegionTopBottom(MxRect32 &p_rect)
 {
@@ -122,8 +130,16 @@ void MxRegionTopBottom::FUN_100c5280(MxS32 p_left, MxS32 p_right)
 
 }
 
-// OFFSET: LEGO1 0x100c55d0 STUB
+// OFFSET: LEGO1 0x100c55d0
 MxRegionTopBottom *MxRegionTopBottom::Clone()
 {
-  return new MxRegionTopBottom(MxRect32());
+  MxRegionTopBottom *clone = new MxRegionTopBottom(m_top, m_bottom);
+
+  MxRegionLeftRightListCursor cursor(m_leftRightList);
+  MxRegionLeftRight *leftRight;
+
+  while (cursor.Next(leftRight))
+    clone->m_leftRightList->Append(leftRight->Clone());
+
+  return clone;
 }

LEGO1/mxregion.h

@@ -9,14 +9,15 @@
 // SIZE 0x0c
 struct MxRegionTopBottom
 {
-  MxS32 m_top;
-  MxS32 m_bottom;
-  MxRegionLeftRightList *m_leftRightList;
-
   MxRegionTopBottom(MxRect32 &p_rect);
+  MxRegionTopBottom(MxS32 m_top, MxS32 m_bottom);
 
   MxRegionTopBottom *Clone();
   void FUN_100c5280(MxS32 p_left, MxS32 p_right);
+
+  MxS32 m_top;
+  MxS32 m_bottom;
+  MxRegionLeftRightList *m_leftRightList;
 };
 
 // SIZE 0x08
@@ -28,6 +29,11 @@ struct MxRegionLeftRight
     m_right = p_right;
   }
 
+  MxRegionLeftRight *Clone()
+  {
+    return new MxRegionLeftRight(m_left, m_right);
+  }
+
   MxS32 m_left;
   MxS32 m_right;
 };

LEGO1/mxregionlist.h

@@ -47,4 +47,7 @@ public:
 // SIZE 0x18
 class MxRegionLeftRightList : public MxRegionLeftRightListParent {};
 
+// VTABLE 0x100dcc10
+typedef MxListCursorChildChild<MxRegionLeftRight*> MxRegionLeftRightListCursor;
+
 #endif // MXREGIONLIST_H