text: /*
   * Copyright 2011-2016 Blender Foundation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #pragma once
  
  #include "graph/node_type.h"
  
  #include "util/util_map.h"
  #include "util/util_param.h"
  #include "util/util_vector.h"
  
  CCL_NAMESPACE_BEGIN
  
  class MD5Hash;
  struct Node;
  struct NodeType;
  struct Transform;
  
  /* Node */
  
  struct Node
  {
  	explicit Node(const NodeType *type, ustring name = ustring());
  	virtual ~Node();
  
  	/* set values */
  	void set(const SocketType& input, bool value);
  	void set(const SocketType& input, int value);
  	void set(const SocketType& input, uint value);
  	void set(const SocketType& input, float value);
  	void set(const SocketType& input, float2 value);
  	void set(const SocketType& input, float3 value);
  	void set(const SocketType& input, const char *value);
  	void set(const SocketType& input, ustring value);
  	void set(const SocketType& input, const Transform& value);
  	void set(const SocketType& input, Node *value);
  
  	/* set array values. the memory from the input array will taken over
  	 * by the node and the input array will be empty after return */
  	void set(const SocketType& input, array<bool>& value);
  	void set(const SocketType& input, array<int>& value);
  	void set(const SocketType& input, array<float>& value);
  	void set(const SocketType& input, array<float2>& value);
  	void set(const SocketType& input, array<float3>& value);
  	void set(const SocketType& input, array<ustring>& value);
  	void set(const SocketType& input, array<Transform>& value);
  	void set(const SocketType& input, array<Node*>& value);
  
  	/* get values */
  	bool get_bool(const SocketType& input) const;
  	int get_int(const SocketType& input) const;
  	uint get_uint(const SocketType& input) const;
  	float get_float(const SocketType& input) const;
  	float2 get_float2(const SocketType& input) const;
  	float3 get_float3(const SocketType& input) const;
  	ustring get_string(const SocketType& input) const;
  	Transform get_transform(const SocketType& input) const;
  	Node *get_node(const SocketType& input) const;
  
  	/* get array values */
  	const array<bool>& get_bool_array(const SocketType& input) const;
  	const array<int>& get_int_array(const SocketType& input) const;
  	const array<float>& get_float_array(const SocketType& input) const;
  	const array<float2>& get_float2_array(const SocketType& input) const;
  	const array<float3>& get_float3_array(const SocketType& input) const;
  	const array<ustring>& get_string_array(const SocketType& input) const;
  	const array<Transform>& get_transform_array(const SocketType& input) const;
  	const array<Node*>& get_node_array(const SocketType& input) const;
  
  	/* generic values operations */
  	bool has_default_value(const SocketType& input) const;
  	void set_default_value(const SocketType& input);
  	bool equals_value(const Node& other, const SocketType& input) const;
  	void copy_value(const SocketType& input, const Node& other, const SocketType& other_input);
  
  	/* equals */
  	bool equals(const Node& other) const;
  
  	/* compute hash of node and its socket values */
  	void hash(MD5Hash& md5);
  
  	ustring name;
  	const NodeType *type;
  };
  
  CCL_NAMESPACE_END
  
  