Implement Helicopter::VTable0xe4 (#243)

Clean up parent classes

LEGO1/legoactor.cpp

@@ -2,7 +2,44 @@
 
 DECOMP_SIZE_ASSERT(LegoActor, 0x78)
 
-// OFFSET: LEGO1 0x1002d110 STUB
+// Probably in header
+// OFFSET: LEGO1 0x10002cc0 STUB
+void LegoActor::VTable0x50()
+{
+  // TODO
+}
+
+// OFFSET: LEGO1 0x10002cd0 STUB
+void LegoActor::VTable0x54()
+{
+  // TODO
+}
+
+// OFFSET: LEGO1 0x10002ce0 STUB
+void LegoActor::VTable0x58()
+{
+  // TODO
+}
+
+// OFFSET: LEGO1 0x10002cf0 STUB
+void LegoActor::VTable0x5c()
+{
+  // TODO
+}
+
+// OFFSET: LEGO1 0x10002d00 STUB
+void LegoActor::VTable0x60()
+{
+  // TODO
+}
+
+// OFFSET: LEGO1 0x10002d10 STUB
+void LegoActor::VTable0x64()
+{
+  // TODO
+}
+// End header
+
 LegoActor::LegoActor()
 {
-}
+}