GODOT IS OPEN SOURCE

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diff --git a/tools/editor/plugins/shader_graph_editor_plugin.h b/tools/editor/plugins/shader_graph_editor_plugin.h
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+++ b/tools/editor/plugins/shader_graph_editor_plugin.h
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+/*************************************************************************/
+/*  shader_graph_editor_plugin.h                                         */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#ifndef SHADER_GRAPH_EDITOR_PLUGIN_H
+#define SHADER_GRAPH_EDITOR_PLUGIN_H
+
+#if 0
+#include "tools/editor/editor_plugin.h"
+#include "tools/editor/editor_node.h"
+#include "scene/resources/shader.h"
+#include "servers/visual/shader_graph.h"
+#include "scene/gui/tree.h"
+#include "scene/gui/button.h"
+#include "scene/gui/popup.h"
+#include "tools/editor/property_editor.h"
+/**
+	@author Juan Linietsky <reduzio@gmail.com>
+*/
+
+class ShaderEditor : public Control {
+
+	OBJ_TYPE(ShaderEditor, Control );
+
+	enum MenuAction {
+
+		GRAPH_ADD_NODE,
+		GRAPH_CLEAR,
+		NODE_DISCONNECT,
+		NODE_ERASE,
+
+	};
+
+	enum ClickType {
+		CLICK_NONE,
+		CLICK_NODE,
+		CLICK_INPUT_SLOT,
+		CLICK_OUTPUT_SLOT,
+		CLICK_PARAMETER
+	};
+
+	PopupMenu *node_popup;
+	Popup *add_popup;
+	PopupMenu *vertex_popup;
+	PopupMenu *fragment_popup;
+	PopupMenu *post_popup;
+	Tree *add_types;
+	Button *add_confirm;
+	HScrollBar *h_scroll;
+	VScrollBar *v_scroll;
+
+	Ref<Shader> shader;
+	List<int> order;
+	Set<int> active_nodes;
+	ShaderGraph shader_graph;
+	int last_x,last_y;
+	uint32_t last_id;
+
+	CustomPropertyEditor *property_editor;
+
+	Point2 offset;
+	ClickType click_type;
+	Point2 click_pos;
+	int click_node;
+	int click_slot;
+	Point2 click_motion;
+	ClickType rclick_type;
+	int rclick_node;
+	int rclick_slot;
+
+	Size2 _get_maximum_size();
+	Size2 get_node_size(int p_node) const;
+	void _draw_node(int p_node);
+
+	void _add_node_from_text(const String& p_text);
+	void _update_scrollbars();
+	void _scroll_moved();
+	void _node_param_changed();
+	void _node_add_callback();
+	void _node_add(VisualServer::ShaderNodeType p_type);
+	void _node_edit_property(int p_node);
+	void _node_menu_item(int p_item);
+	void _vertex_item(int p_item);
+	void _fragment_item(int p_item);
+	void _post_item(int p_item);
+
+	ClickType _locate_click(const Point2& p_click,int *p_node_id,int *p_slot_index) const;
+	Point2 _get_slot_pos(int p_node_id,bool p_input,int p_slot);
+
+	Error validate_graph();
+
+	void _read_shader_graph();
+	void _write_shader_graph();
+
+	virtual bool has_point(const Point2& p_point) const;
+protected:
+	void _notification(int p_what);
+	void _input_event(InputEvent p_event);
+	static void _bind_methods();
+public:
+
+	void edit(Ref<Shader> p_shader);
+	ShaderEditor();
+};
+
+class ShaderEditorPlugin : public EditorPlugin {
+
+	OBJ_TYPE( ShaderEditorPlugin, EditorPlugin );
+
+	ShaderEditor *shader_editor;
+	EditorNode *editor;
+
+public:
+
+	virtual String get_name() const { return "Shader"; }
+	bool has_main_screen() const { return false; }
+	virtual void edit(Object *p_node);
+	virtual bool handles(Object *p_node) const;
+	virtual void make_visible(bool p_visible);
+
+	ShaderEditorPlugin(EditorNode *p_node);
+	~ShaderEditorPlugin();
+
+};
+#endif
+#endif // SHADER_GRAPH_EDITOR_PLUGIN_H