updated nodes for new input structure

Since all NodeInputs will generally only need their data type and default
value set once, we place it all into the constructor for cleaner and easier
to manage code.

app/node/inputarray.cpp

@@ -2,8 +2,9 @@
 
 #include "node.h"
 
-NodeInputArray::NodeInputArray(const QString &id) :
-  NodeInput(id)
+NodeInputArray::NodeInputArray(const QString &id, const DataType &type, const QVariant &default_value) :
+  NodeInput(id, type, default_value),
+  default_value_(default_value)
 {
 }
 
@@ -51,7 +52,7 @@ void NodeInputArray::SetSize(int size, bool lock)
 
       Q_ASSERT(!parentNode()->HasParamWithID(sub_id));
 
-      NodeInput* new_param = new NodeInput(sub_id);
+      NodeInput* new_param = new NodeInput(sub_id, data_type(), default_value_);
       new_param->setParent(this);
       sub_params_.replace(i, new_param);