implemented node flags

app/node/block/block.cpp

@@ -47,6 +47,8 @@ Block::Block() :
   IgnoreHashingFrom(kLengthInput);
 
   AddInput(kEnabledInput, NodeValue::kBoolean, true, InputFlags(kInputFlagNotConnectable | kInputFlagNotKeyframable));
+
+  SetFlags(kDontShowInParamView);
 }
 
 QVector<Node::CategoryID> Block::Category() const

app/node/math/merge/merge.cpp

@@ -32,6 +32,8 @@ MergeNode::MergeNode()
   AddInput(kBaseIn, NodeValue::kTexture, InputFlags(kInputFlagNotKeyframable));
 
   AddInput(kBlendIn, NodeValue::kTexture, InputFlags(kInputFlagNotKeyframable));
+
+  SetFlags(kDontShowInParamView);
 }
 
 Node *MergeNode::copy() const

app/node/node.cpp

@@ -47,7 +47,8 @@ Node::Node() :
   override_color_(-1),
   folder_(nullptr),
   operation_stack_(0),
-  cache_result_(false)
+  cache_result_(false),
+  flags_(kNone)
 {
   uuid_ = QUuid::createUuid();
 }

app/node/node.h

@@ -94,6 +94,11 @@ public:
     kCategoryCount
   };
 
+  enum Flag {
+    kNone = 0,
+    kDontShowInParamView = 0x1
+  };
+
   Node();
 
   virtual ~Node() override;
@@ -116,6 +121,11 @@ public:
   const QUuid &GetUUID() const {return uuid_;}
   void SetUUID(const QUuid &uuid) {uuid_ = uuid;}
 
+  const uint64_t &GetFlags() const
+  {
+    return flags_;
+  }
+
   /**
    * @brief Clear current node variables and replace them with
    */
@@ -1036,6 +1046,11 @@ protected:
     tooltip_ = s;
   }
 
+  void SetFlags(const uint64_t &f)
+  {
+    flags_ = f;
+  }
+
 signals:
   /**
    * @brief Signal emitted when SetLabel() is called
@@ -1315,6 +1330,8 @@ private:
 
   QUuid uuid_;
 
+  uint64_t flags_;
+
 private slots:
   /**
    * @brief Slot when a keyframe's time changes to keep the keyframes correctly sorted by time

app/node/output/viewer/viewer.cpp

@@ -66,6 +66,8 @@ ViewerOutput::ViewerOutput(bool create_buffer_inputs, bool create_default_stream
     AddStream(Track::kAudio, QVariant());
     set_default_parameters();
   }
+
+  SetFlags(kDontShowInParamView);
 }
 
 Node *ViewerOutput::copy() const