From 1b0e2b0c39f5fe36adaee8aa1a2eee39534850c0 Mon Sep 17 00:00:00 2001
From: Rémi Verschelde
Date: Sat, 18 Mar 2017 23:45:45 +0100
Subject: Refactoring: rename tools/editor/ to editor/

The other subfolders of tools/ had already been moved to either
editor/, misc/ or thirdparty/, so the hiding the editor code that
deep was no longer meaningful.

(Manual redo of 49c065d29ca07040c3fd810026121164ad86b247)
---
 editor/plugins/shader_graph_editor_plugin.cpp | 2941 +++++++++++++++++++++++++
 1 file changed, 2941 insertions(+)
 create mode 100644 editor/plugins/shader_graph_editor_plugin.cpp

(limited to 'editor/plugins/shader_graph_editor_plugin.cpp')

diff --git a/editor/plugins/shader_graph_editor_plugin.cpp b/editor/plugins/shader_graph_editor_plugin.cpp
new file mode 100644
index 000000000..daec2bf50
--- /dev/null
+++ b/editor/plugins/shader_graph_editor_plugin.cpp
@@ -0,0 +1,2941 @@
+/*************************************************************************/
+/*  shader_graph_editor_plugin.cpp                                       */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2017 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.                */
+/*************************************************************************/
+#include "shader_graph_editor_plugin.h"
+
+
+#include "scene/gui/check_box.h"
+#include "scene/gui/menu_button.h"
+#include "scene/gui/panel.h"
+#include "spatial_editor_plugin.h"
+#include "os/keyboard.h"
+#include "canvas_item_editor_plugin.h"
+
+void GraphColorRampEdit::_input_event(const InputEvent& p_event) {
+
+	if (p_event.type==InputEvent::KEY && p_event.key.pressed && p_event.key.scancode==KEY_DELETE && grabbed!=-1) {
+
+		points.remove(grabbed);
+		grabbed=-1;
+		update();
+		emit_signal("ramp_changed");
+		accept_event();
+	}
+
+	if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && p_event.mouse_button.pressed) {
+
+		update();
+		int x = p_event.mouse_button.x;
+		int total_w = get_size().width-get_size().height-3;
+		if (x>total_w+3) {
+
+			if (grabbed==-1)
+				return;
+			Size2 ms = Size2(350, picker->get_combined_minimum_size().height+10);
+			picker->set_color(points[grabbed].color);
+			popup->set_pos(get_global_pos()-Size2(0,ms.height));
+			popup->set_size(ms);
+			popup->popup();
+			return;
+		}
+
+
+		float ofs = CLAMP(x/float(total_w),0,1);
+
+		grabbed=-1;
+		grabbing=true;
+		int pos=-1;
+		for(int i=0;i<points.size();i++) {
+
+			if (ABS(x-points[i].offset*total_w)<4) {
+				grabbed=i;
+			}
+			if (points[i].offset<ofs)
+				pos=i;
+		}
+
+		grabbed_at=ofs;
+		//grab or select
+		if (grabbed!=-1) {
+			return;
+		}
+		//insert
+
+
+		Point p;
+		p.offset=ofs;
+
+		Point prev;
+		Point next;
+
+		if (pos==-1) {
+
+			prev.color=Color(0,0,0);
+			prev.offset=0;
+			if (points.size()) {
+				next=points[0];
+			} else {
+				next.color=Color(1,1,1);
+				next.offset=1.0;
+			}
+		} else  {
+
+			if (pos==points.size()-1) {
+				next.color=Color(1,1,1);
+				next.offset=1.0;
+			} else {
+				next=points[pos+1];
+			}
+			prev=points[pos];
+
+		}
+
+		p.color=prev.color.linear_interpolate(next.color,(p.offset-prev.offset)/(next.offset-prev.offset));
+
+		points.push_back(p);
+		points.sort();
+		for(int i=0;i<points.size();i++) {
+			if (points[i].offset==ofs) {
+				grabbed=i;
+				break;
+			}
+		}
+
+		emit_signal("ramp_changed");
+
+	}
+
+	if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && !p_event.mouse_button.pressed) {
+
+		if (grabbing) {
+			grabbing=false;
+			emit_signal("ramp_changed");
+		}
+		update();
+	}
+
+	if (p_event.type==InputEvent::MOUSE_MOTION && grabbing) {
+
+		int total_w = get_size().width-get_size().height-3;
+
+		int x = p_event.mouse_motion.x;
+		float newofs = CLAMP(x/float(total_w),0,1);
+
+		bool valid=true;
+		for(int i=0;i<points.size();i++) {
+
+			if (points[i].offset==newofs && i!=grabbed) {
+				valid=false;
+			}
+		}
+
+		if (!valid)
+			return;
+
+		points[grabbed].offset=newofs;
+
+		points.sort();
+		for(int i=0;i<points.size();i++) {
+			if (points[i].offset==newofs) {
+				grabbed=i;
+				break;
+			}
+		}
+
+		emit_signal("ramp_changed");
+
+		update();
+	}
+}
+
+void GraphColorRampEdit::_notification(int p_what){
+
+	if (p_what==NOTIFICATION_ENTER_TREE) {
+		if (!picker->is_connected("color_changed",this,"_color_changed")) {
+			picker->connect("color_changed",this,"_color_changed");
+		}
+	}
+	if (p_what==NOTIFICATION_DRAW) {
+
+
+		Point prev;
+		prev.offset=0;
+		prev.color=Color(0,0,0);
+
+		int h = get_size().y;
+		int total_w = get_size().width-get_size().height-3;
+
+		for(int i=-1;i<points.size();i++) {
+
+			Point next;
+			if (i+1==points.size()) {
+				next.color=Color(1,1,1);
+				next.offset=1;
+			} else {
+				next=points[i+1];
+			}
+
+			if (prev.offset==next.offset) {
+				prev=next;
+				continue;
+			}
+
+			Vector<Vector2> points;
+			Vector<Color> colors;
+			points.push_back(Vector2(prev.offset*total_w,h));
+			points.push_back(Vector2(prev.offset*total_w,0));
+			points.push_back(Vector2(next.offset*total_w,0));
+			points.push_back(Vector2(next.offset*total_w,h));
+			colors.push_back(prev.color);
+			colors.push_back(prev.color);
+			colors.push_back(next.color);
+			colors.push_back(next.color);
+			draw_primitive(points,colors,Vector<Point2>());
+			prev=next;
+		}
+
+		for(int i=0;i<points.size();i++) {
+
+			Color col=i==grabbed?Color(1,0.0,0.0,0.9):Color(1,1,1,0.8);
+
+			draw_line(Vector2(points[i].offset*total_w,0),Vector2(points[i].offset*total_w,h-1),Color(0,0,0,0.7));
+			draw_line(Vector2(points[i].offset*total_w-1,h/2),Vector2(points[i].offset*total_w-1,h-1),col);
+			draw_line(Vector2(points[i].offset*total_w+1,h/2),Vector2(points[i].offset*total_w+1,h-1),col);
+			draw_line(Vector2(points[i].offset*total_w-1,h/2),Vector2(points[i].offset*total_w+1,h/2),col);
+			draw_line(Vector2(points[i].offset*total_w-1,h-1),Vector2(points[i].offset*total_w+1,h-1),col);
+
+		}
+
+		if (grabbed!=-1) {
+
+			draw_rect(Rect2(total_w+3,0,h,h),points[grabbed].color);
+		}
+
+		if (has_focus()) {
+
+			draw_line(Vector2(-1,-1),Vector2(total_w+1,-1),Color(1,1,1,0.6));
+			draw_line(Vector2(total_w+1,-1),Vector2(total_w+1,h+1),Color(1,1,1,0.6));
+			draw_line(Vector2(total_w+1,h+1),Vector2(-1,h+1),Color(1,1,1,0.6));
+			draw_line(Vector2(-1,-1),Vector2(-1,h+1),Color(1,1,1,0.6));
+		}
+
+	}
+}
+
+Size2 GraphColorRampEdit::get_minimum_size() const {
+
+	return Vector2(0,16);
+}
+
+
+void GraphColorRampEdit::_color_changed(const Color& p_color) {
+
+	if (grabbed==-1)
+		return;
+	points[grabbed].color=p_color;
+	update();
+	emit_signal("ramp_changed");
+
+}
+
+void GraphColorRampEdit::set_ramp(const Vector<float>& p_offsets,const Vector<Color>& p_colors) {
+
+	ERR_FAIL_COND(p_offsets.size()!=p_colors.size());
+	points.clear();
+	for(int i=0;i<p_offsets.size();i++) {
+		Point p;
+		p.offset=p_offsets[i];
+		p.color=p_colors[i];
+		points.push_back(p);
+	}
+
+	points.sort();
+	update();
+}
+
+Vector<float> GraphColorRampEdit::get_offsets() const{
+	Vector<float> ret;
+	for(int i=0;i<points.size();i++)
+		ret.push_back(points[i].offset);
+	return ret;
+}
+Vector<Color> GraphColorRampEdit::get_colors() const{
+
+	Vector<Color> ret;
+	for(int i=0;i<points.size();i++)
+		ret.push_back(points[i].color);
+	return ret;
+}
+
+
+void GraphColorRampEdit::_bind_methods(){
+
+	ObjectTypeDB::bind_method(_MD("_input_event"),&GraphColorRampEdit::_input_event);
+	ObjectTypeDB::bind_method(_MD("_color_changed"),&GraphColorRampEdit::_color_changed);
+	ADD_SIGNAL(MethodInfo("ramp_changed"));
+}
+
+GraphColorRampEdit::GraphColorRampEdit(){
+
+	grabbed=-1;
+	grabbing=false;
+	set_focus_mode(FOCUS_ALL);
+
+	popup = memnew( PopupPanel );
+	picker = memnew( ColorPicker );
+	popup->add_child(picker);
+	popup->set_child_rect(picker);
+	add_child(popup);
+
+}
+////////////
+
+void GraphCurveMapEdit::_input_event(const InputEvent& p_event) {
+
+	if (p_event.type==InputEvent::KEY && p_event.key.pressed && p_event.key.scancode==KEY_DELETE && grabbed!=-1) {
+
+		points.remove(grabbed);
+		grabbed=-1;
+		update();
+		emit_signal("curve_changed");
+		accept_event();
+	}
+
+	if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && p_event.mouse_button.pressed) {
+
+		update();
+		Point2 p = Vector2(p_event.mouse_button.x,p_event.mouse_button.y)/get_size();
+		p.y=1.0-p.y;
+		grabbed=-1;
+		grabbing=true;
+
+		for(int i=0;i<points.size();i++) {
+
+			Vector2 ps = p*get_size();
+			Vector2 pt = Vector2(points[i].offset,points[i].height)*get_size();
+			if (ps.distance_to(pt)<4) {
+				grabbed=i;
+			}
+
+		}
+
+
+		//grab or select
+		if (grabbed!=-1) {
+			return;
+		}
+		//insert
+
+
+		Point np;
+		np.offset=p.x;
+		np.height=p.y;
+
+		points.push_back(np);
+		points.sort();
+		for(int i=0;i<points.size();i++) {
+			if (points[i].offset==p.x && points[i].height==p.y) {
+				grabbed=i;
+				break;
+			}
+		}
+
+		emit_signal("curve_changed");
+
+	}
+
+	if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && !p_event.mouse_button.pressed) {
+
+		if (grabbing) {
+			grabbing=false;
+			emit_signal("curve_changed");
+		}
+		update();
+	}
+
+	if (p_event.type==InputEvent::MOUSE_MOTION && grabbing  && grabbed != -1) {
+
+		Point2 p = Vector2(p_event.mouse_button.x,p_event.mouse_button.y)/get_size();
+		p.y=1.0-p.y;
+
+		p.x = CLAMP(p.x,0.0,1.0);
+		p.y = CLAMP(p.y,0.0,1.0);
+
+		bool valid=true;
+
+		for(int i=0;i<points.size();i++) {
+
+			if (points[i].offset==p.x && points[i].height==p.y && i!=grabbed) {
+				valid=false;
+			}
+		}
+
+		if (!valid)
+			return;
+
+		points[grabbed].offset=p.x;
+		points[grabbed].height=p.y;
+
+		points.sort();
+		for(int i=0;i<points.size();i++) {
+			if (points[i].offset==p.x && points[i].height==p.y) {
+				grabbed=i;
+				break;
+			}
+		}
+
+		emit_signal("curve_changed");
+
+		update();
+	}
+}
+
+void GraphCurveMapEdit::_plot_curve(const Vector2& p_a,const Vector2& p_b,const Vector2& p_c,const Vector2& p_d) {
+
+	float geometry[4][4];
+	float tmp1[4][4];
+	float tmp2[4][4];
+	float deltas[4][4];
+	double x, dx, dx2, dx3;
+	double y, dy, dy2, dy3;
+	double d, d2, d3;
+	int lastx, lasty;
+	int newx, newy;
+	int ntimes;
+	int i,j;
+
+	int xmax=get_size().x;
+	int ymax=get_size().y;
+
+	/* construct the geometry matrix from the segment */
+	for (i = 0; i < 4; i++)	{
+		geometry[i][2] = 0;
+		geometry[i][3] = 0;
+	}
+
+	geometry[0][0] = (p_a[0] * xmax);
+	geometry[1][0] = (p_b[0] * xmax);
+	geometry[2][0] = (p_c[0] * xmax);
+	geometry[3][0] = (p_d[0] * xmax);
+
+	geometry[0][1] = (p_a[1] * ymax);
+	geometry[1][1] = (p_b[1] * ymax);
+	geometry[2][1] = (p_c[1] * ymax);
+	geometry[3][1] = (p_d[1] * ymax);
+
+	/* subdivide the curve ntimes (1000) times */
+	ntimes = 4 * xmax;
+	/* ntimes can be adjusted to give a finer or coarser curve */
+	d = 1.0 / ntimes;
+	d2 = d * d;
+	d3 = d * d * d;
+
+	/* construct a temporary matrix for determining the forward differencing deltas */
+	tmp2[0][0] = 0;		 tmp2[0][1] = 0;		 tmp2[0][2] = 0;		tmp2[0][3] = 1;
+	tmp2[1][0] = d3;		tmp2[1][1] = d2;		tmp2[1][2] = d;		tmp2[1][3] = 0;
+	tmp2[2][0] = 6*d3;  tmp2[2][1] = 2*d2;  tmp2[2][2] = 0;		tmp2[2][3] = 0;
+	tmp2[3][0] = 6*d3;  tmp2[3][1] = 0;		 tmp2[3][2] = 0;		tmp2[3][3] = 0;
+
+	/* compose the basis and geometry matrices */
+
+	static const float CR_basis[4][4] = {
+		{ -0.5,  1.5, -1.5,  0.5 },
+		{  1.0, -2.5,  2.0, -0.5 },
+		{ -0.5,  0.0,  0.5,  0.0 },
+		{  0.0,  1.0,  0.0,  0.0 },
+	};
+
+	for (i = 0; i < 4; i++)
+	{
+		for (j = 0; j < 4; j++)
+		{
+			tmp1[i][j] = (CR_basis[i][0] * geometry[0][j] +
+					CR_basis[i][1] * geometry[1][j] +
+					CR_basis[i][2] * geometry[2][j] +
+					CR_basis[i][3] * geometry[3][j]);
+		}
+	}
+	/* compose the above results to get the deltas matrix */
+
+	for (i = 0; i < 4; i++)
+	{
+		for (j = 0; j < 4; j++)
+		{
+			deltas[i][j] = (tmp2[i][0] * tmp1[0][j] +
+					tmp2[i][1] * tmp1[1][j] +
+					tmp2[i][2] * tmp1[2][j] +
+					tmp2[i][3] * tmp1[3][j]);
+		}
+	}
+
+
+	/* extract the x deltas */
+	x = deltas[0][0];
+	dx = deltas[1][0];
+	dx2 = deltas[2][0];
+	dx3 = deltas[3][0];
+
+	/* extract the y deltas */
+	y = deltas[0][1];
+	dy = deltas[1][1];
+	dy2 = deltas[2][1];
+	dy3 = deltas[3][1];
+
+
+	lastx = CLAMP (x, 0, xmax);
+	lasty = CLAMP (y, 0, ymax);
+
+	/*	if (fix255)
+		{
+				cd->curve[cd->outline][lastx] = lasty;
+		}
+		else
+		{
+				cd->curve_ptr[cd->outline][lastx] = lasty;
+				if(gb_debug) printf("bender_plot_curve xmax:%d ymax:%d\n", (int)xmax, (int)ymax);
+		}
+*/
+	/* loop over the curve */
+	for (i = 0; i < ntimes; i++)
+	{
+		/* increment the x values */
+		x += dx;
+		dx += dx2;
+		dx2 += dx3;
+
+		/* increment the y values */
+		y += dy;
+		dy += dy2;
+		dy2 += dy3;
+
+		newx = CLAMP ((Math::round (x)), 0, xmax);
+		newy = CLAMP ((Math::round (y)), 0, ymax);
+
+		/* if this point is different than the last one...then draw it */
+		if ((lastx != newx) || (lasty != newy))
+		{
+#if 0
+			if(fix255)
+			{
+				/* use fixed array size (for the curve graph) */
+				cd->curve[cd->outline][newx] = newy;
+			}
+			else
+			{
+				/* use dynamic allocated curve_ptr (for the real curve) */
+				cd->curve_ptr[cd->outline][newx] = newy;
+
+				if(gb_debug) printf("outline: %d  cX: %d cY: %d\n", (int)cd->outline, (int)newx, (int)newy);
+			}
+#endif
+			draw_line(Vector2(lastx,ymax-lasty),Vector2(newx,ymax-newy),Color(0.8,0.8,0.8,0.8),2.0);
+		}
+
+		lastx = newx;
+		lasty = newy;
+	}
+}
+
+
+void GraphCurveMapEdit::_notification(int p_what){
+
+	if (p_what==NOTIFICATION_DRAW) {
+
+		draw_style_box(get_stylebox("bg","Tree"),Rect2(Point2(),get_size()));
+
+		int w = get_size().x;
+		int h = get_size().y;
+
+		Vector2 prev=Vector2(0,0);
+		Vector2 prev2=Vector2(0,0);
+
+		for(int i=-1;i<points.size();i++) {
+
+			Vector2 next;
+			Vector2 next2;
+			if (i+1>=points.size()) {
+				next=Vector2(1,1);
+			} else {
+				next=Vector2(points[i+1].offset,points[i+1].height);
+			}
+
+			if (i+2>=points.size()) {
+				next2=Vector2(1,1);
+			} else {
+				next2=Vector2(points[i+2].offset,points[i+2].height);
+			}
+
+			/*if (i==-1 && prev.offset==next.offset) {
+								prev=next;
+								continue;
+						}*/
+
+			_plot_curve(prev2,prev,next,next2);
+
+			prev2=prev;
+			prev=next;
+		}
+
+		for(int i=0;i<points.size();i++) {
+
+			Color col=i==grabbed?Color(1,0.0,0.0,0.9):Color(1,1,1,0.8);
+
+
+			draw_rect(Rect2( Vector2(points[i].offset,1.0-points[i].height)*get_size()-Vector2(2,2),Vector2(5,5)),col);
+		}
+
+		/*		if (grabbed!=-1) {
+
+						draw_rect(Rect2(total_w+3,0,h,h),points[grabbed].color);
+				}
+*/
+		if (has_focus()) {
+
+			draw_line(Vector2(-1,-1),Vector2(w+1,-1),Color(1,1,1,0.6));
+			draw_line(Vector2(w+1,-1),Vector2(w+1,h+1),Color(1,1,1,0.6));
+			draw_line(Vector2(w+1,h+1),Vector2(-1,h+1),Color(1,1,1,0.6));
+			draw_line(Vector2(-1,-1),Vector2(-1,h+1),Color(1,1,1,0.6));
+		}
+
+	}
+}
+
+Size2 GraphCurveMapEdit::get_minimum_size() const {
+
+	return Vector2(64,64);
+}
+
+
+
+void GraphCurveMapEdit::set_points(const Vector<Vector2>& p_points) {
+
+
+	points.clear();
+	for(int i=0;i<p_points.size();i++) {
+		Point p;
+		p.offset=p_points[i].x;
+		p.height=p_points[i].y;
+		points.push_back(p);
+	}
+
+	points.sort();
+	update();
+}
+
+Vector<Vector2> GraphCurveMapEdit::get_points() const {
+	Vector<Vector2> ret;
+	for(int i=0;i<points.size();i++)
+		ret.push_back(Vector2(points[i].offset,points[i].height));
+	return ret;
+}
+
+void GraphCurveMapEdit::_bind_methods(){
+
+	ObjectTypeDB::bind_method(_MD("_input_event"),&GraphCurveMapEdit::_input_event);
+	ADD_SIGNAL(MethodInfo("curve_changed"));
+}
+
+GraphCurveMapEdit::GraphCurveMapEdit(){
+
+	grabbed=-1;
+	grabbing=false;
+	set_focus_mode(FOCUS_ALL);
+
+}
+
+
+////cbacks
+///
+void ShaderGraphView::_scalar_const_changed(double p_value,int p_id) {
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Scalar Constant"),UndoRedo::MERGE_ENDS);
+	ur->add_do_method(graph.ptr(),"scalar_const_node_set_value",type,p_id,p_value);
+	ur->add_undo_method(graph.ptr(),"scalar_const_node_set_value",type,p_id,graph->scalar_const_node_get_value(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+}
+
+void ShaderGraphView::_vec_const_changed(double p_value, int p_id,Array p_arr){
+
+	Vector3 val;
+	for(int i=0;i<p_arr.size();i++) {
+		val[i]=p_arr[i].call("get_val");
+	}
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Vec Constant"),UndoRedo::MERGE_ENDS);
+	ur->add_do_method(graph.ptr(),"vec_const_node_set_value",type,p_id,val);
+	ur->add_undo_method(graph.ptr(),"vec_const_node_set_value",type,p_id,graph->vec_const_node_get_value(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+
+}
+void ShaderGraphView::_rgb_const_changed(const Color& p_color, int p_id){
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change RGB Constant"),UndoRedo::MERGE_ENDS);
+	ur->add_do_method(graph.ptr(),"rgb_const_node_set_value",type,p_id,p_color);
+	ur->add_undo_method(graph.ptr(),"rgb_const_node_set_value",type,p_id,graph->rgb_const_node_get_value(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+
+}
+void ShaderGraphView::_scalar_op_changed(int p_op, int p_id){
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Scalar Operator"));
+	ur->add_do_method(graph.ptr(),"scalar_op_node_set_op",type,p_id,p_op);
+	ur->add_undo_method(graph.ptr(),"scalar_op_node_set_op",type,p_id,graph->scalar_op_node_get_op(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+
+}
+void ShaderGraphView::_vec_op_changed(int p_op, int p_id){
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Vec Operator"));
+	ur->add_do_method(graph.ptr(),"vec_op_node_set_op",type,p_id,p_op);
+	ur->add_undo_method(graph.ptr(),"vec_op_node_set_op",type,p_id,graph->vec_op_node_get_op(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+}
+void ShaderGraphView::_vec_scalar_op_changed(int p_op, int p_id){
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Vec Scalar Operator"));
+	ur->add_do_method(graph.ptr(),"vec_scalar_op_node_set_op",type,p_id,p_op);
+	ur->add_undo_method(graph.ptr(),"vec_scalar_op_node_set_op",type,p_id,graph->vec_scalar_op_node_get_op(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+
+}
+void ShaderGraphView::_rgb_op_changed(int p_op, int p_id){
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change RGB Operator"));
+	ur->add_do_method(graph.ptr(),"rgb_op_node_set_op",type,p_id,p_op);
+	ur->add_undo_method(graph.ptr(),"rgb_op_node_set_op",type,p_id,graph->rgb_op_node_get_op(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+}
+void ShaderGraphView::_xform_inv_rev_changed(bool p_enabled, int p_id){
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Toggle Rot Only"));
+	ur->add_do_method(graph.ptr(),"xform_vec_mult_node_set_no_translation",type,p_id,p_enabled);
+	ur->add_undo_method(graph.ptr(),"xform_vec_mult_node_set_no_translation",type,p_id,graph->xform_vec_mult_node_get_no_translation(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+}
+void ShaderGraphView::_scalar_func_changed(int p_func, int p_id){
+
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Scalar Function"));
+	ur->add_do_method(graph.ptr(),"scalar_func_node_set_function",type,p_id,p_func);
+	ur->add_undo_method(graph.ptr(),"scalar_func_node_set_function",type,p_id,graph->scalar_func_node_get_function(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+}
+void ShaderGraphView::_vec_func_changed(int p_func, int p_id){
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Vec Function"));
+	ur->add_do_method(graph.ptr(),"vec_func_node_set_function",type,p_id,p_func);
+	ur->add_undo_method(graph.ptr(),"vec_func_node_set_function",type,p_id,graph->vec_func_node_get_function(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+
+}
+void ShaderGraphView::_scalar_input_changed(double p_value,int p_id){
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Scalar Uniform"),UndoRedo::MERGE_ENDS);
+	ur->add_do_method(graph.ptr(),"scalar_input_node_set_value",type,p_id,p_value);
+	ur->add_undo_method(graph.ptr(),"scalar_input_node_set_value",type,p_id,graph->scalar_input_node_get_value(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+
+}
+void ShaderGraphView::_vec_input_changed(double p_value, int p_id,Array p_arr){
+
+	Vector3 val;
+	for(int i=0;i<p_arr.size();i++) {
+		val[i]=p_arr[i].call("get_val");
+	}
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Vec Uniform"),UndoRedo::MERGE_ENDS);
+	ur->add_do_method(graph.ptr(),"vec_input_node_set_value",type,p_id,val);
+	ur->add_undo_method(graph.ptr(),"vec_input_node_set_value",type,p_id,graph->vec_input_node_get_value(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+
+}
+void ShaderGraphView::_xform_input_changed(int p_id, Node *p_button){
+
+
+	ToolButton *tb = p_button->cast_to<ToolButton>();
+	ped_popup->set_pos(tb->get_global_pos()+Vector2(0,tb->get_size().height));
+	ped_popup->set_size(tb->get_size());
+	edited_id=p_id;
+	edited_def=-1;
+	ped_popup->edit(NULL,"",Variant::TRANSFORM,graph->xform_input_node_get_value(type,p_id),PROPERTY_HINT_NONE,"");
+	ped_popup->popup();
+
+}
+void ShaderGraphView::_xform_const_changed(int p_id, Node *p_button){
+
+	ToolButton *tb = p_button->cast_to<ToolButton>();
+	ped_popup->set_pos(tb->get_global_pos()+Vector2(0,tb->get_size().height));
+	ped_popup->set_size(tb->get_size());
+	edited_id=p_id;
+	edited_def=-1;
+	ped_popup->edit(NULL,"",Variant::TRANSFORM,graph->xform_const_node_get_value(type,p_id),PROPERTY_HINT_NONE,"");
+	ped_popup->popup();
+
+}
+
+void ShaderGraphView::_rgb_input_changed(const Color& p_color, int p_id){
+
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change RGB Uniform"),UndoRedo::MERGE_ENDS);
+	ur->add_do_method(graph.ptr(),"rgb_input_node_set_value",type,p_id,p_color);
+	ur->add_undo_method(graph.ptr(),"rgb_input_node_set_value",type,p_id,graph->rgb_input_node_get_value(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+}
+void ShaderGraphView::_tex_input_change(int p_id, Node *p_button){
+
+
+}
+void ShaderGraphView::_cube_input_change(int p_id){
+
+
+}
+
+void ShaderGraphView::_variant_edited() {
+
+	if (edited_def != -1) {
+
+		Variant v = ped_popup->get_variant();
+		Variant v2 = graph->default_get_value(type,edited_id,edited_def);
+		if (v2.get_type() == Variant::NIL)
+			switch (v.get_type()) {
+			case Variant::VECTOR3:
+				v2=Vector3();
+				break;
+			case Variant::REAL:
+				v2=0.0;
+				break;
+			case Variant::TRANSFORM:
+				v2=Transform();
+				break;
+			case Variant::COLOR:
+				v2=Color();
+				break;
+			}
+		UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+		ur->create_action(TTR("Change Default Value"));
+		ur->add_do_method(graph.ptr(),"default_set_value",type,edited_id,edited_def, v);
+		ur->add_undo_method(graph.ptr(),"default_set_value",type,edited_id,edited_def, v2);
+		ur->add_do_method(this,"_update_graph");
+		ur->add_undo_method(this,"_update_graph");
+		ur->commit_action();
+		return;
+	}
+
+	if (graph->node_get_type(type,edited_id)==ShaderGraph::NODE_XFORM_CONST) {
+
+		UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+		ur->create_action(TTR("Change XForm Uniform"));
+		ur->add_do_method(graph.ptr(),"xform_const_node_set_value",type,edited_id,ped_popup->get_variant());
+		ur->add_undo_method(graph.ptr(),"xform_const_node_set_value",type,edited_id,graph->xform_const_node_get_value(type,edited_id));
+		ur->add_do_method(this,"_update_graph");
+		ur->add_undo_method(this,"_update_graph");
+		ur->commit_action();
+	}
+
+
+	if (graph->node_get_type(type,edited_id)==ShaderGraph::NODE_XFORM_INPUT) {
+
+		UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+		ur->create_action(TTR("Change XForm Uniform"));
+		ur->add_do_method(graph.ptr(),"xform_input_node_set_value",type,edited_id,ped_popup->get_variant());
+		ur->add_undo_method(graph.ptr(),"xform_input_node_set_value",type,edited_id,graph->xform_input_node_get_value(type,edited_id));
+		ur->add_do_method(this,"_update_graph");
+		ur->add_undo_method(this,"_update_graph");
+		ur->commit_action();
+	}
+
+	if (graph->node_get_type(type,edited_id)==ShaderGraph::NODE_TEXTURE_INPUT) {
+
+		UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+		ur->create_action(TTR("Change Texture Uniform"));
+		ur->add_do_method(graph.ptr(),"texture_input_node_set_value",type,edited_id,ped_popup->get_variant());
+		ur->add_undo_method(graph.ptr(),"texture_input_node_set_value",type,edited_id,graph->texture_input_node_get_value(type,edited_id));
+		ur->add_do_method(this,"_update_graph");
+		ur->add_undo_method(this,"_update_graph");
+		ur->commit_action();
+	}
+
+	if (graph->node_get_type(type,edited_id)==ShaderGraph::NODE_CUBEMAP_INPUT) {
+
+		UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+		ur->create_action(TTR("Change Cubemap Uniform"));
+		ur->add_do_method(graph.ptr(),"cubemap_input_node_set_value",type,edited_id,ped_popup->get_variant());
+		ur->add_undo_method(graph.ptr(),"cubemap_input_node_set_value",type,edited_id,graph->cubemap_input_node_get_value(type,edited_id));
+		ur->add_do_method(this,"_update_graph");
+		ur->add_undo_method(this,"_update_graph");
+		ur->commit_action();
+	}
+
+}
+
+void ShaderGraphView::_comment_edited(int p_id,Node* p_button) {
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	TextEdit *te=p_button->cast_to<TextEdit>();
+	ur->create_action(TTR("Change Comment"),UndoRedo::MERGE_ENDS);
+	ur->add_do_method(graph.ptr(),"comment_node_set_text",type,p_id,te->get_text());
+	ur->add_undo_method(graph.ptr(),"comment_node_set_text",type,p_id,graph->comment_node_get_text(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+
+}
+
+void ShaderGraphView::_color_ramp_changed(int p_id,Node* p_ramp) {
+
+	GraphColorRampEdit *cr=p_ramp->cast_to<GraphColorRampEdit>();
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+
+
+	Vector<float> offsets=cr->get_offsets();
+	Vector<Color> colors=cr->get_colors();
+
+	DVector<float> new_offsets;
+	DVector<Color> new_colors;
+	{
+		new_offsets.resize(offsets.size());
+		new_colors.resize(colors.size());
+		DVector<float>::Write ow=new_offsets.write();
+		DVector<Color>::Write cw=new_colors.write();
+		for(int i=0;i<new_offsets.size();i++) {
+			ow[i]=offsets[i];
+			cw[i]=colors[i];
+		}
+
+	}
+
+
+	DVector<float> old_offsets=graph->color_ramp_node_get_offsets(type,p_id);
+	DVector<Color> old_colors=graph->color_ramp_node_get_colors(type,p_id);
+
+	if (old_offsets.size()!=new_offsets.size())
+		ur->create_action(TTR("Add/Remove to Color Ramp"));
+	else
+		ur->create_action(TTR("Modify Color Ramp"),UndoRedo::MERGE_ENDS);
+
+	ur->add_do_method(graph.ptr(),"color_ramp_node_set_ramp",type,p_id,new_colors,new_offsets);
+	ur->add_undo_method(graph.ptr(),"color_ramp_node_set_ramp",type,p_id,old_colors,old_offsets);
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+}
+
+void ShaderGraphView::_curve_changed(int p_id,Node* p_curve) {
+
+	GraphCurveMapEdit *cr=p_curve->cast_to<GraphCurveMapEdit>();
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+
+
+	Vector<Point2> points=cr->get_points();
+
+	DVector<Vector2> new_points;
+	{
+		new_points.resize(points.size());
+		DVector<Vector2>::Write ow=new_points.write();
+		for(int i=0;i<new_points.size();i++) {
+			ow[i]=points[i];
+		}
+
+	}
+
+
+	DVector<Vector2> old_points=graph->curve_map_node_get_points(type,p_id);
+
+	if (old_points.size()!=new_points.size())
+		ur->create_action(TTR("Add/Remove to Curve Map"));
+	else
+		ur->create_action(TTR("Modify Curve Map"),UndoRedo::MERGE_ENDS);
+
+	ur->add_do_method(graph.ptr(),"curve_map_node_set_points",type,p_id,new_points);
+	ur->add_undo_method(graph.ptr(),"curve_map_node_set_points",type,p_id,old_points);
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+}
+
+
+void ShaderGraphView::_input_name_changed(const String& p_name, int p_id, Node *p_line_edit) {
+
+	LineEdit *le=p_line_edit->cast_to<LineEdit>();
+	ERR_FAIL_COND(!le);
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Change Input Name"));
+	ur->add_do_method(graph.ptr(),"input_node_set_name",type,p_id,p_name);
+	ur->add_undo_method(graph.ptr(),"input_node_set_name",type,p_id,graph->input_node_get_name(type,p_id));
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	block_update=true;
+	ur->commit_action();
+	block_update=false;
+	le->set_text(graph->input_node_get_name(type,p_id));
+}
+
+void ShaderGraphView::_tex_edited(int p_id,Node* p_button) {
+
+	ToolButton *tb = p_button->cast_to<ToolButton>();
+	ped_popup->set_pos(tb->get_global_pos()+Vector2(0,tb->get_size().height));
+	ped_popup->set_size(tb->get_size());
+	edited_id=p_id;
+	edited_def=-1;
+	ped_popup->edit(NULL,"",Variant::OBJECT,graph->texture_input_node_get_value(type,p_id),PROPERTY_HINT_RESOURCE_TYPE,"Texture");
+}
+
+void ShaderGraphView::_cube_edited(int p_id,Node* p_button) {
+
+	ToolButton *tb = p_button->cast_to<ToolButton>();
+	ped_popup->set_pos(tb->get_global_pos()+Vector2(0,tb->get_size().height));
+	ped_popup->set_size(tb->get_size());
+	edited_id=p_id;
+	edited_def=-1;
+	ped_popup->edit(NULL,"",Variant::OBJECT,graph->cubemap_input_node_get_value(type,p_id),PROPERTY_HINT_RESOURCE_TYPE,"CubeMap");
+}
+
+
+//////////////view/////////////
+
+
+void ShaderGraphView::_connection_request(const String& p_from, int p_from_slot,const String& p_to,int p_to_slot) {
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+
+	int from_idx=-1;
+	int to_idx=-1;
+	for (Map<int,GraphNode*>::Element *E=node_map.front();E;E=E->next()) {
+
+		if (p_from==E->get()->get_name())
+			from_idx=E->key();
+		if (p_to==E->get()->get_name())
+			to_idx=E->key();
+	}
+
+	ERR_FAIL_COND(from_idx==-1);
+	ERR_FAIL_COND(to_idx==-1);
+
+	ur->create_action(TTR("Connect Graph Nodes"));
+
+	List<ShaderGraph::Connection> conns;
+
+	graph->get_node_connections(type,&conns);
+	//disconnect/reconnect dependencies
+	ur->add_undo_method(graph.ptr(),"disconnect_node",type,from_idx,p_from_slot,to_idx,p_to_slot);
+	for(List<ShaderGraph::Connection>::Element *E=conns.front();E;E=E->next()) {
+
+		if (E->get().dst_id==to_idx && E->get().dst_slot==p_to_slot) {
+			ur->add_do_method(graph.ptr(),"disconnect_node",type,E->get().src_id,E->get().src_slot,E->get().dst_id,E->get().dst_slot);
+			ur->add_undo_method(graph.ptr(),"connect_node",type,E->get().src_id,E->get().src_slot,E->get().dst_id,E->get().dst_slot);
+		}
+	}
+	ur->add_do_method(graph.ptr(),"connect_node",type,from_idx,p_from_slot,to_idx,p_to_slot);
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	ur->commit_action();
+
+
+}
+
+void ShaderGraphView::_disconnection_request(const String& p_from, int p_from_slot,const String& p_to,int p_to_slot) {
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+
+	int from_idx=-1;
+	int to_idx=-1;
+	for (Map<int,GraphNode*>::Element *E=node_map.front();E;E=E->next()) {
+
+		if (p_from==E->get()->get_name())
+			from_idx=E->key();
+		if (p_to==E->get()->get_name())
+			to_idx=E->key();
+	}
+
+	ERR_FAIL_COND(from_idx==-1);
+	ERR_FAIL_COND(to_idx==-1);
+
+	if (!graph->is_node_connected(type,from_idx,p_from_slot,to_idx,p_to_slot))
+		return; //nothing to disconnect
+
+	ur->create_action(TTR("Disconnect Graph Nodes"));
+
+	List<ShaderGraph::Connection> conns;
+
+	graph->get_node_connections(type,&conns);
+	//disconnect/reconnect dependencies
+	ur->add_do_method(graph.ptr(),"disconnect_node",type,from_idx,p_from_slot,to_idx,p_to_slot);
+	ur->add_undo_method(graph.ptr(),"connect_node",type,from_idx,p_from_slot,to_idx,p_to_slot);
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	ur->commit_action();
+
+
+}
+
+void ShaderGraphView::_node_removed(int p_id) {
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Remove Shader Graph Node"));
+
+	ur->add_do_method(graph.ptr(),"node_remove",type,p_id);
+	ur->add_undo_method(graph.ptr(),"node_add",type,graph->node_get_type(type,p_id),p_id);
+	ur->add_undo_method(graph.ptr(),"node_set_state",type,p_id,graph->node_get_state(type,p_id));
+	List<ShaderGraph::Connection> conns;
+
+	graph->get_node_connections(type,&conns);
+	for(List<ShaderGraph::Connection>::Element *E=conns.front();E;E=E->next()) {
+
+		if (E->get().dst_id==p_id || E->get().src_id==p_id) {
+			ur->add_undo_method(graph.ptr(),"connect_node",type,E->get().src_id,E->get().src_slot,E->get().dst_id,E->get().dst_slot);
+		}
+	}
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	ur->commit_action();
+
+}
+
+void ShaderGraphView::_begin_node_move()
+{
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Move Shader Graph Node"));
+}
+
+void ShaderGraphView::_node_moved(const Vector2& p_from, const Vector2& p_to,int p_id) {
+
+
+	ERR_FAIL_COND(!node_map.has(p_id));
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->add_do_method(this,"_move_node",p_id,p_to);
+	ur->add_undo_method(this,"_move_node",p_id,p_from);
+}
+
+void ShaderGraphView::_end_node_move()
+{
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->commit_action();
+}
+
+void ShaderGraphView::_move_node(int p_id,const Vector2& p_to) {
+
+	ERR_FAIL_COND(!node_map.has(p_id));
+	node_map[p_id]->set_offset(p_to);
+	graph->node_set_pos(type,p_id,p_to);
+}
+
+void ShaderGraphView::_duplicate_nodes_request()
+{
+	Array s_id;
+
+	for(Map<int,GraphNode*>::Element *E=node_map.front();E;E=E->next()) {
+		ShaderGraph::NodeType t=graph->node_get_type(type, E->key());
+		if (t==ShaderGraph::NODE_OUTPUT || t==ShaderGraph::NODE_INPUT)
+			continue;
+		GraphNode *gn = E->get();
+		if (gn && gn->is_selected())
+			s_id.push_back(E->key());
+	}
+
+	if (s_id.size()==0)
+		return;
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Duplicate Graph Node(s)"));
+	ur->add_do_method(this,"_duplicate_nodes",s_id);
+	List<int> n_ids = graph->generate_ids(type, s_id.size());
+	for (List<int>::Element *E=n_ids.front();E;E=E->next())
+		ur->add_undo_method(graph.ptr(),"node_remove",type,E->get());
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	ur->commit_action();
+
+}
+
+void ShaderGraphView::_duplicate_nodes(const Array &p_nodes)
+{
+	List<int> n = List<int>();
+	for (int i=0; i<p_nodes.size();i++)
+		n.push_back(p_nodes.get(i));
+	graph->duplicate_nodes(type, n);
+	call_deferred("_update_graph");
+}
+
+void ShaderGraphView::_delete_nodes_request()
+{
+	List<int> s_id=List<int>();
+
+	for(Map<int,GraphNode*>::Element *E=node_map.front();E;E=E->next()) {
+		ShaderGraph::NodeType t=graph->node_get_type(type, E->key());
+		if (t==ShaderGraph::NODE_OUTPUT)
+			continue;
+		GraphNode *gn = E->get();
+		if (gn && gn->is_selected())
+			s_id.push_back(E->key());
+	}
+
+	if (s_id.size()==0)
+		return;
+
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Delete Shader Graph Node(s)"));
+
+	for (List<int>::Element *N=s_id.front();N;N=N->next()) {
+		ur->add_do_method(graph.ptr(),"node_remove",type,N->get());
+		ur->add_undo_method(graph.ptr(),"node_add",type,graph->node_get_type(type,N->get()),N->get());
+		ur->add_undo_method(graph.ptr(),"node_set_state",type,N->get(),graph->node_get_state(type,N->get()));
+		List<ShaderGraph::Connection> conns;
+
+		graph->get_node_connections(type,&conns);
+		for(List<ShaderGraph::Connection>::Element *E=conns.front();E;E=E->next()) {
+
+			if (E->get().dst_id==N->get() || E->get().src_id==N->get()) {
+				ur->add_undo_method(graph.ptr(),"connect_node",type,E->get().src_id,E->get().src_slot,E->get().dst_id,E->get().dst_slot);
+			}
+		}
+	}
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	ur->commit_action();
+
+}
+
+void ShaderGraphView::_default_changed(int p_id, Node *p_button, int p_param, int v_type, String p_hint)
+{
+	ToolButton *tb = p_button->cast_to<ToolButton>();
+	ped_popup->set_pos(tb->get_global_pos()+Vector2(0,tb->get_size().height));
+	ped_popup->set_size(tb->get_size());
+	edited_id=p_id;
+	edited_def=p_param;
+	Variant::Type vt = (Variant::Type)v_type;
+	Variant v = graph->default_get_value(type,p_id,edited_def);
+	int h=PROPERTY_HINT_NONE;
+	if (v.get_type() == Variant::NIL)
+		switch (vt) {
+		case Variant::VECTOR3:
+			v=Vector3();
+			break;
+		case Variant::REAL:
+			h=PROPERTY_HINT_RANGE;
+			v=0.0;
+			break;
+		case Variant::TRANSFORM:
+			v=Transform();
+			break;
+		case Variant::COLOR:
+			h=PROPERTY_HINT_COLOR_NO_ALPHA;
+			v=Color();
+			break;
+		}
+
+	ped_popup->edit(NULL,"",vt,v,h,p_hint);
+
+	ped_popup->popup();
+}
+
+ToolButton *ShaderGraphView::make_label(String text, Variant::Type v_type) {
+	ToolButton *l = memnew( ToolButton );
+	l->set_text(text);
+	l->set_text_align(ToolButton::ALIGN_LEFT);
+	l->add_style_override("hover", l->get_stylebox("normal", "ToolButton"));
+	l->add_style_override("pressed", l->get_stylebox("normal", "ToolButton"));
+	l->add_style_override("focus", l->get_stylebox("normal", "ToolButton"));
+	switch (v_type) {
+	case Variant::REAL:
+		l->set_icon(ped_popup->get_icon("Real", "EditorIcons"));
+		break;
+	case Variant::VECTOR3:
+		l->set_icon(ped_popup->get_icon("Vector", "EditorIcons"));
+		break;
+	case Variant::TRANSFORM:
+		l->set_icon(ped_popup->get_icon("Matrix", "EditorIcons"));
+		break;
+	case Variant::COLOR:
+		l->set_icon(ped_popup->get_icon("Color", "EditorIcons"));
+	}
+	return l;
+}
+
+ToolButton *ShaderGraphView::make_editor(String text,GraphNode* gn,int p_id,int param,Variant::Type v_type, String p_hint) {
+	ToolButton *edit = memnew( ToolButton );
+	edit->set_text(text);
+	edit->set_text_align(ToolButton::ALIGN_LEFT);
+	edit->set_flat(false);
+	edit->add_style_override("normal", gn->get_stylebox("defaultframe", "GraphNode"));
+	edit->add_style_override("hover", gn->get_stylebox("defaultframe", "GraphNode"));
+	edit->add_style_override("pressed", gn->get_stylebox("defaultframe", "GraphNode"));
+	edit->add_style_override("focus", gn->get_stylebox("defaultfocus", "GraphNode"));
+	edit->connect("pressed",this,"_default_changed",varray(p_id,edit,param,v_type,p_hint));
+
+	switch (v_type) {
+	case Variant::REAL:
+		edit->set_icon(ped_popup->get_icon("Real", "EditorIcons"));
+		break;
+	case Variant::VECTOR3:
+		edit->set_icon(ped_popup->get_icon("Vector", "EditorIcons"));
+		break;
+	case Variant::TRANSFORM:
+		edit->set_icon(ped_popup->get_icon("Matrix", "EditorIcons"));
+		break;
+	case Variant::COLOR:
+		Image icon_color = Image(15,15,false,Image::FORMAT_RGB);
+		Color c = graph->default_get_value(type,p_id,param);
+		for (int x=1;x<14;x++)
+			for (int y=1;y<14;y++)
+				icon_color.put_pixel(x,y,c);
+		Ref<ImageTexture> t;
+		t.instance();
+		t->create_from_image(icon_color);
+		edit->set_icon(t);
+		break;
+	}
+	return edit;
+}
+
+void ShaderGraphView::_create_node(int p_id) {
+
+
+	GraphNode *gn = memnew( GraphNode );
+	gn->set_show_close_button(true);
+	Color typecol[4]={
+		Color(0.9,0.4,1),
+		Color(0.8,1,0.2),
+		Color(1,0.2,0.2),
+		Color(0,1,1)
+	};
+
+	const String hint_spin = "-65536,65535,0.001";
+	const String hint_slider = "0.0,1.0,0.01,slider";
+
+
+	switch(graph->node_get_type(type,p_id)) {
+
+	case ShaderGraph::NODE_INPUT: {
+
+		gn->set_title("Input");
+
+		List<ShaderGraph::SlotInfo> si;
+		ShaderGraph::get_input_output_node_slot_info(graph->get_mode(),type,&si);
+
+		int idx=0;
+		for (List<ShaderGraph::SlotInfo>::Element *E=si.front();E;E=E->next()) {
+			ShaderGraph::SlotInfo& s=E->get();
+			if (s.dir==ShaderGraph::SLOT_IN) {
+
+				Label *l= memnew( Label );
+				l->set_text(s.name);
+				l->set_align(Label::ALIGN_RIGHT);
+				gn->add_child(l);
+				gn->set_slot(idx,false,0,Color(),true,s.type,typecol[s.type]);
+				idx++;
+			}
+		}
+
+	} break; // all inputs (case Shader type dependent)
+	case ShaderGraph::NODE_SCALAR_CONST: {
+		gn->set_title("Scalar");
+		SpinBox *sb = memnew( SpinBox );
+		sb->set_min(-100000);
+		sb->set_max(100000);
+		sb->set_step(0.001);
+		sb->set_val(graph->scalar_const_node_get_value(type,p_id));
+		sb->connect("value_changed",this,"_scalar_const_changed",varray(p_id));
+		gn->add_child(sb);
+		gn->set_slot(0,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+	} break; //scalar constant
+	case ShaderGraph::NODE_VEC_CONST: {
+
+		gn->set_title("Vector");
+		Array v3p(true);
+		for(int i=0;i<3;i++) {
+			HBoxContainer *hbc = memnew( HBoxContainer );
+			Label *l = memnew( Label );
+			l->set_text(String::chr('X'+i));
+			hbc->add_child(l);
+			SpinBox *sb = memnew( SpinBox );
+			sb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
+			sb->set_min(-100000);
+			sb->set_max(100000);
+			sb->set_step(0.001);
+			sb->set_val(graph->vec_const_node_get_value(type,p_id)[i]);
+			sb->connect("value_changed",this,"_vec_const_changed",varray(p_id,v3p));
+			v3p.push_back(sb);
+			hbc->add_child(sb);
+			gn->add_child(hbc);
+		}
+		gn->set_slot(0,false,0,Color(),true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+
+	} break; //vec3 constant
+	case ShaderGraph::NODE_RGB_CONST: {
+
+		gn->set_title("Color");
+		ColorPickerButton *cpb = memnew( ColorPickerButton );
+		cpb->set_color(graph->rgb_const_node_get_value(type,p_id));
+		cpb->connect("color_changed",this,"_rgb_const_changed",varray(p_id));
+		gn->add_child(cpb);
+		Label *l = memnew( Label );
+		l->set_text("RGB");
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child(l);
+		l = memnew( Label );
+		l->set_text("Alpha");
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child(l);
+
+		gn->set_slot(1,false,0,Color(),true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(2,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+	} break; //rgb constant (shows a color picker instead)
+	case ShaderGraph::NODE_XFORM_CONST: {
+		gn->set_title("XForm");
+		ToolButton *edit = memnew( ToolButton );
+		edit->set_text("edit..");
+		edit->connect("pressed",this,"_xform_const_changed",varray(p_id,edit));
+		gn->add_child(edit);
+		gn->set_slot(0,false,0,Color(),true,ShaderGraph::SLOT_TYPE_XFORM,typecol[ShaderGraph::SLOT_TYPE_XFORM]);
+
+	} break; // 4x4 matrix constant
+	case ShaderGraph::NODE_TIME: {
+
+		gn->set_title("Time");
+		Label *l = memnew( Label );
+		l->set_text("(s)");
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child(l);
+		gn->set_slot(0,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+	} break; // time in seconds
+	case ShaderGraph::NODE_SCREEN_TEX: {
+
+		gn->set_title("ScreenTex");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (!graph->is_slot_connected(type,p_id,0)) {
+			Vector3 v = graph->default_get_value(type, p_id, 0);
+			hbc->add_child(make_editor("UV: " + v,gn,p_id,0,Variant::VECTOR3));
+		} else {
+			hbc->add_child(make_label("UV",Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("RGB")));
+		gn->add_child(hbc);
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+
+	} break; // screen texture sampler (takes UV) (only usable in fragment case Shader)
+	case ShaderGraph::NODE_SCALAR_OP: {
+
+		gn->set_title("ScalarOp");
+		static const char* op_name[ShaderGraph::SCALAR_MAX_OP]={
+			("Add"),
+			("Sub"),
+			("Mul"),
+			("Div"),
+			("Mod"),
+			("Pow"),
+			("Max"),
+			("Min"),
+			("Atan2")
+		};
+
+		OptionButton *ob = memnew( OptionButton );
+		for(int i=0;i<ShaderGraph::SCALAR_MAX_OP;i++) {
+
+			ob->add_item(op_name[i],i);
+		}
+
+		ob->select(graph->scalar_op_node_get_op(type,p_id));
+		ob->connect("item_selected",this,"_scalar_op_changed",varray(p_id));
+		gn->add_child(ob);
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("a",Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("a: ")+Variant(v),gn,p_id,0,Variant::REAL,hint_spin));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("out")));
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("b",Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,1);
+			gn->add_child(make_editor(String("b: ")+Variant(v),gn,p_id,1,Variant::REAL,hint_spin));
+		}
+
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],false,0,Color());
+
+
+	} break; // scalar vs scalar op (mul: { } break; add: { } break; div: { } break; etc)
+	case ShaderGraph::NODE_VEC_OP: {
+
+		gn->set_title("VecOp");
+		static const char* op_name[ShaderGraph::VEC_MAX_OP]={
+			("Add"),
+			("Sub"),
+			("Mul"),
+			("Div"),
+			("Mod"),
+			("Pow"),
+			("Max"),
+			("Min"),
+			("Cross")
+		};
+
+		OptionButton *ob = memnew( OptionButton );
+		for(int i=0;i<ShaderGraph::VEC_MAX_OP;i++) {
+
+			ob->add_item(op_name[i],i);
+		}
+
+		ob->select(graph->vec_op_node_get_op(type,p_id));
+		ob->connect("item_selected",this,"_vec_op_changed",varray(p_id));
+		gn->add_child(ob);
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("a",Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("a: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("out")));
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("b",Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,1);
+			gn->add_child(make_editor(String("b: ")+v,gn,p_id,1,Variant::VECTOR3));
+		}
+
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],false,0,Color());
+
+
+	} break; // vec3 vs vec3 op (mul: { } break;ad: { } break;div: { } break;crossprod: { } break;etc)
+	case ShaderGraph::NODE_VEC_SCALAR_OP: {
+
+		gn->set_title("VecScalarOp");
+		static const char* op_name[ShaderGraph::VEC_SCALAR_MAX_OP]={
+			("Mul"),
+			("Div"),
+			("Pow"),
+		};
+
+		OptionButton *ob = memnew( OptionButton );
+		for(int i=0;i<ShaderGraph::VEC_SCALAR_MAX_OP;i++) {
+
+			ob->add_item(op_name[i],i);
+		}
+
+		ob->select(graph->vec_scalar_op_node_get_op(type,p_id));
+		ob->connect("item_selected",this,"_vec_scalar_op_changed",varray(p_id));
+		gn->add_child(ob);
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("a",Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("a: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("out")));
+		gn->add_child(hbc);
+
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("b",Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,1);
+			gn->add_child(make_editor(String("b: ")+Variant(v),gn,p_id,1,Variant::REAL,hint_spin));
+		}
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],false,0,Color());
+
+
+	} break; // vec3 vs scalar op (mul: { } break; add: { } break; div: { } break; etc)
+	case ShaderGraph::NODE_RGB_OP: {
+
+		gn->set_title("RGB Op");
+		static const char* op_name[ShaderGraph::RGB_MAX_OP]={
+			("Screen"),
+			("Difference"),
+			("Darken"),
+			("Lighten"),
+			("Overlay"),
+			("Dodge"),
+			("Burn"),
+			("SoftLight"),
+			("HardLight")
+		};
+
+		OptionButton *ob = memnew( OptionButton );
+		for(int i=0;i<ShaderGraph::RGB_MAX_OP;i++) {
+
+			ob->add_item(op_name[i],i);
+		}
+
+		ob->select(graph->rgb_op_node_get_op(type,p_id));
+		ob->connect("item_selected",this,"_rgb_op_changed",varray(p_id));
+		gn->add_child(ob);
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("a",Variant::COLOR));
+		} else {
+			hbc->add_child(make_editor(String("a: "),gn,p_id,0,Variant::COLOR));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("out")));
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("b",Variant::COLOR));
+		} else {
+			gn->add_child(make_editor(String("b: "),gn,p_id,1,Variant::COLOR));
+		}
+
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],false,0,Color());
+
+	} break; // vec3 vs vec3 rgb op (with scalar amount): { } break; like brighten: { } break; darken: { } break; burn: { } break; dodge: { } break; multiply: { } break; etc.
+	case ShaderGraph::NODE_XFORM_MULT: {
+
+		gn->set_title("XFMult");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("a",Variant::TRANSFORM));
+		} else {
+			hbc->add_child(make_editor(String("a: edit..."),gn,p_id,0,Variant::TRANSFORM));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("out")));
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("b",Variant::TRANSFORM));
+		} else {
+			gn->add_child(make_editor(String("b: edit..."),gn,p_id,1,Variant::TRANSFORM));
+		}
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_XFORM,typecol[ShaderGraph::SLOT_TYPE_XFORM],true,ShaderGraph::SLOT_TYPE_XFORM,typecol[ShaderGraph::SLOT_TYPE_XFORM]);
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_XFORM,typecol[ShaderGraph::SLOT_TYPE_XFORM],false,0,Color());
+
+
+	} break; // mat4 x mat4
+	case ShaderGraph::NODE_XFORM_VEC_MULT: {
+
+		gn->set_title("XFVecMult");
+
+		CheckBox *button = memnew (CheckBox("RotOnly"));
+		button->set_pressed(graph->xform_vec_mult_node_get_no_translation(type,p_id));
+		button->connect("toggled",this,"_xform_inv_rev_changed",varray(p_id));
+
+		gn->add_child(button);
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("xf",Variant::TRANSFORM));
+		} else {
+			hbc->add_child(make_editor(String("xf: edit..."),gn,p_id,0,Variant::TRANSFORM));
+		}
+		hbc->add_spacer();
+		Label *l = memnew(Label("out"));
+		l->set_align(Label::ALIGN_RIGHT);
+		hbc->add_child( l);
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("a",Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,1);
+			gn->add_child(make_editor(String("a: ")+v,gn,p_id,1,Variant::VECTOR3));
+		}
+
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_XFORM,typecol[ShaderGraph::SLOT_TYPE_XFORM],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],false,0,Color());
+
+	} break;
+	case ShaderGraph::NODE_XFORM_VEC_INV_MULT: {
+
+		gn->set_title("XFVecInvMult");
+
+
+		CheckBox *button = memnew( CheckBox("RotOnly"));
+		button->set_pressed(graph->xform_vec_mult_node_get_no_translation(type,p_id));
+		button->connect("toggled",this,"_xform_inv_rev_changed",varray(p_id));
+
+		gn->add_child(button);
+
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			gn->add_child(make_label("a",Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			gn->add_child(make_editor(String("a: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			hbc->add_child(make_label("xf", Variant::TRANSFORM));
+		} else {
+			hbc->add_child(make_editor(String("xf: edit..."),gn,p_id,1,Variant::TRANSFORM));
+		}
+		hbc->add_spacer();
+		Label *l = memnew(Label("out"));
+		l->set_align(Label::ALIGN_RIGHT);
+		hbc->add_child( l);
+		gn->add_child(hbc);
+
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],false,0,Color());
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_XFORM,typecol[ShaderGraph::SLOT_TYPE_XFORM],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+
+
+	} break; // mat4 x vec3 inverse mult (with no-translation option)
+	case ShaderGraph::NODE_SCALAR_FUNC: {
+
+		gn->set_title("ScalarFunc");
+		static const char* func_name[ShaderGraph::SCALAR_MAX_FUNC]={
+			("Sin"),
+			("Cos"),
+			("Tan"),
+			("ASin"),
+			("ACos"),
+			("ATan"),
+			("SinH"),
+			("CosH"),
+			("TanH"),
+			("Log"),
+			("Exp"),
+			("Sqrt"),
+			("Abs"),
+			("Sign"),
+			("Floor"),
+			("Round"),
+			("Ceil"),
+			("Frac"),
+			("Satr"),
+			("Neg")
+		};
+
+		OptionButton *ob = memnew( OptionButton );
+		for(int i=0;i<ShaderGraph::SCALAR_MAX_FUNC;i++) {
+
+			ob->add_item(func_name[i],i);
+		}
+
+		ob->select(graph->scalar_func_node_get_function(type,p_id));
+		ob->connect("item_selected",this,"_scalar_func_changed",varray(p_id));
+		gn->add_child(ob);
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("in", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("in: ")+Variant(v),gn,p_id,0,Variant::REAL,hint_spin));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("out")));
+		gn->add_child(hbc);
+
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+
+	} break; // scalar function (sin: { } break; cos: { } break; etc)
+	case ShaderGraph::NODE_VEC_FUNC: {
+
+
+
+		gn->set_title("VecFunc");
+		static const char* func_name[ShaderGraph::VEC_MAX_FUNC]={
+			("Normalize"),
+			("Saturate"),
+			("Negate"),
+			("Reciprocal"),
+			("RGB to HSV"),
+			("HSV to RGB"),
+		};
+
+		OptionButton *ob = memnew( OptionButton );
+		for(int i=0;i<ShaderGraph::VEC_MAX_FUNC;i++) {
+
+			ob->add_item(func_name[i],i);
+		}
+
+		ob->select(graph->vec_func_node_get_function(type,p_id));
+		ob->connect("item_selected",this,"_vec_func_changed",varray(p_id));
+		gn->add_child(ob);
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("in", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("in: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("out")));
+		gn->add_child(hbc);
+
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+
+	} break; // vector function (normalize: { } break; negate: { } break; reciprocal: { } break; rgb2hsv: { } break; hsv2rgb: { } break; etc: { } break; etc)
+	case ShaderGraph::NODE_VEC_LEN: {
+		gn->set_title("VecLength");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("in", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("in: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("len")));
+		gn->add_child(hbc);
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+	} break; // vec3 length
+	case ShaderGraph::NODE_DOT_PROD: {
+
+		gn->set_title("DotProduct");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("a", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("a: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("dp")));
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("b", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,1);
+			gn->add_child(make_editor(String("b: ")+v,gn,p_id,1,Variant::VECTOR3));
+		}
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],false,0,Color());
+
+	} break; // vec3 . vec3 (dot product -> scalar output)
+	case ShaderGraph::NODE_VEC_TO_SCALAR: {
+
+		gn->set_title("Vec2Scalar");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("vec", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("vec: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		Label *l=memnew(Label("x"));
+		l->set_align(Label::ALIGN_RIGHT);
+		hbc->add_child( l);
+		gn->add_child(hbc);
+		l=memnew(Label("y"));
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child( l );
+		l=memnew(Label("z"));
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child( l);
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+		gn->set_slot(1,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+		gn->set_slot(2,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+
+
+
+	} break; // 1 vec3 input: { } break; 3 scalar outputs
+	case ShaderGraph::NODE_SCALAR_TO_VEC: {
+
+		gn->set_title("Scalar2Vec");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("x", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("x: ")+Variant(v),gn,p_id,0,Variant::REAL));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("vec")));
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("y", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,1);
+			gn->add_child(make_editor(String("y: ")+Variant(v),gn,p_id,1,Variant::REAL));
+		}
+		if (graph->is_slot_connected(type, p_id, 2)) {
+			gn->add_child(make_label("in", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,2);
+			gn->add_child(make_editor(String("in: ")+Variant(v),gn,p_id,2,Variant::REAL));
+		}
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],false,0,Color());
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],false,0,Color());
+
+	} break; // 3 scalar input: { } break; 1 vec3 output
+	case ShaderGraph::NODE_VEC_TO_XFORM: {
+
+		gn->set_title("Vec2XForm");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("x", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("x: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("xf")));
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("y", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,1);
+			gn->add_child(make_editor(String("y: ")+v,gn,p_id,1,Variant::VECTOR3));
+		}
+		if (graph->is_slot_connected(type, p_id, 2)) {
+			gn->add_child(make_label("z", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,2);
+			gn->add_child(make_editor(String("z: ")+v,gn,p_id,2,Variant::VECTOR3));
+		}
+		if (graph->is_slot_connected(type, p_id, 3)) {
+			gn->add_child(make_label("ofs", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,3);
+			gn->add_child(make_editor(String("ofs: ")+v,gn,p_id,3,Variant::VECTOR3));
+		}
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_XFORM,typecol[ShaderGraph::SLOT_TYPE_XFORM]);
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],false,0,Color());
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],false,0,Color());
+		gn->set_slot(3,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],false,0,Color());
+
+	} break; // 3 vec input: { } break; 1 xform output
+	case ShaderGraph::NODE_XFORM_TO_VEC: {
+
+		gn->set_title("XForm2Vec");
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("fx", Variant::TRANSFORM));
+		} else {
+			hbc->add_child(make_editor(String("fx: edit..."),gn,p_id,0,Variant::TRANSFORM));
+		}
+		hbc->add_spacer();
+		Label *l=memnew(Label("x"));
+		l->set_align(Label::ALIGN_RIGHT);
+		hbc->add_child( l);
+		gn->add_child(hbc);
+		l=memnew(Label("y"));
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child( l );
+		l=memnew(Label("z"));
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child( l);
+		l=memnew(Label("ofs"));
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child( l);
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_XFORM,typecol[ShaderGraph::SLOT_TYPE_XFORM],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(1,false,0,Color(),true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(2,false,0,Color(),true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(3,false,0,Color(),true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+
+	} break; // 3 vec input: { } break; 1 xform output
+	case ShaderGraph::NODE_SCALAR_INTERP: {
+
+		gn->set_title("ScalarInterp");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("a", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("a: ")+Variant(v),gn,p_id,0,Variant::REAL,hint_spin));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("interp")));
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("b", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,1);
+			gn->add_child(make_editor(String("b: ")+Variant(v),gn,p_id,1,Variant::REAL,hint_spin));
+		}
+		if (graph->is_slot_connected(type, p_id, 2)) {
+			gn->add_child(make_label("c", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,2);
+			gn->add_child(make_editor(String("c: ")+Variant(v),gn,p_id,2,Variant::REAL,hint_slider));
+		}
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],false,0,Color());
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],false,0,Color());
+
+
+	} break; // scalar interpolation (with optional curve)
+	case ShaderGraph::NODE_VEC_INTERP: {
+
+		gn->set_title("VecInterp");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("a", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("a: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		hbc->add_child( memnew(Label("interp")));
+		gn->add_child(hbc);
+		if (graph->is_slot_connected(type, p_id, 1)) {
+			gn->add_child(make_label("b", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,1);
+			gn->add_child(make_editor(String("b: ")+v,gn,p_id,1,Variant::VECTOR3));
+		}
+		if (graph->is_slot_connected(type, p_id, 2)) {
+			gn->add_child(make_label("c", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,2);
+			gn->add_child(make_editor(String("c: ")+Variant(v),gn,p_id,2,Variant::REAL,hint_slider));
+		}
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],false,0,Color());
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],false,0,Color());
+
+	} break; // vec3 interpolation  (with optional curve)
+	case ShaderGraph::NODE_COLOR_RAMP: {
+
+		gn->set_title("ColorRamp");
+		GraphColorRampEdit * ramp  = memnew( GraphColorRampEdit );
+
+		DVector<real_t> offsets = graph->color_ramp_node_get_offsets(type,p_id);
+		DVector<Color> colors = graph->color_ramp_node_get_colors(type,p_id);
+
+		int oc = offsets.size();
+
+		if (oc) {
+			DVector<real_t>::Read rofs = offsets.read();
+			DVector<Color>::Read rcol = colors.read();
+
+			Vector<float> ofsv;
+			Vector<Color> colorv;
+			for(int i=0;i<oc;i++) {
+				ofsv.push_back(rofs[i]);
+				colorv.push_back(rcol[i]);
+			}
+
+			ramp->set_ramp(ofsv,colorv);
+
+		}
+
+		ramp->connect("ramp_changed",this,"_color_ramp_changed",varray(p_id,ramp));
+		ramp->set_custom_minimum_size(Size2(128,1));
+		gn->add_child(ramp);
+
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("c", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("c: ")+Variant(v),gn,p_id,0,Variant::REAL,hint_slider));
+		}
+		hbc->add_spacer();
+		Label *l=memnew(Label("rgb"));
+		l->set_align(Label::ALIGN_RIGHT);
+		hbc->add_child( l);
+		gn->add_child(hbc);
+		l=memnew(Label("alpha"));
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child( l);
+
+
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(2,false,ShaderGraph::SLOT_MAX,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+
+	} break; // scalar interpolation (with optional curve)
+	case ShaderGraph::NODE_CURVE_MAP: {
+
+		gn->set_title("CurveMap");
+		GraphCurveMapEdit * map  = memnew( GraphCurveMapEdit );
+
+		DVector<Vector2> points = graph->curve_map_node_get_points(type,p_id);
+
+		int oc = points.size();
+
+		if (oc) {
+			DVector<Vector2>::Read rofs = points.read();
+
+
+			Vector<Vector2> ofsv;
+			for(int i=0;i<oc;i++) {
+				ofsv.push_back(rofs[i]);
+			}
+
+			map->set_points(ofsv);
+
+		}
+		map->connect("curve_changed",this,"_curve_changed",varray(p_id,map));
+
+		//map->connect("map_changed",this,"_curve_map_changed",varray(p_id,map));
+		map->set_custom_minimum_size(Size2(128,64));
+		gn->add_child(map);
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("c", Variant::REAL));
+		} else {
+			float v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("c: ")+Variant(v),gn,p_id,0,Variant::REAL,hint_slider));
+		}
+		hbc->add_spacer();
+		Label *l=memnew(Label("cmap"));
+		l->set_align(Label::ALIGN_RIGHT);
+		hbc->add_child( l);
+		gn->add_child(hbc);
+
+
+		gn->set_slot(1,true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR],true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+
+	} break; // scalar interpolation (with optional curve)
+
+	case ShaderGraph::NODE_SCALAR_INPUT: {
+
+		gn->set_title("ScalarUniform");
+		LineEdit *le = memnew( LineEdit );
+		gn->add_child(le);
+		le->set_text(graph->input_node_get_name(type,p_id));
+		le->connect("text_entered",this,"_input_name_changed",varray(p_id,le));
+		SpinBox *sb = memnew( SpinBox );
+		sb->set_min(-100000);
+		sb->set_max(100000);
+		sb->set_step(0.001);
+		sb->set_val(graph->scalar_input_node_get_value(type,p_id));
+		sb->connect("value_changed",this,"_scalar_input_changed",varray(p_id));
+		gn->add_child(sb);
+		gn->set_slot(1,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+	} break; // scalar uniform (assignable in material)
+	case ShaderGraph::NODE_VEC_INPUT: {
+
+		gn->set_title("VectorUniform");
+		LineEdit *le = memnew( LineEdit );
+		gn->add_child(le);
+		le->set_text(graph->input_node_get_name(type,p_id));
+		le->connect("text_entered",this,"_input_name_changed",varray(p_id,le));
+		Array v3p(true);
+		for(int i=0;i<3;i++) {
+			HBoxContainer *hbc = memnew( HBoxContainer );
+			Label *l = memnew( Label );
+			l->set_text(String::chr('X'+i));
+			hbc->add_child(l);
+			SpinBox *sb = memnew( SpinBox );
+			sb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
+			sb->set_min(-100000);
+			sb->set_max(100000);
+			sb->set_step(0.001);
+			sb->set_val(graph->vec_input_node_get_value(type,p_id)[i]);
+			sb->connect("value_changed",this,"_vec_input_changed",varray(p_id,v3p));
+			v3p.push_back(sb);
+			hbc->add_child(sb);
+			gn->add_child(hbc);
+		}
+		gn->set_slot(1,false,0,Color(),true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+
+	} break; // vec3 uniform (assignable in material)
+	case ShaderGraph::NODE_RGB_INPUT: {
+
+		gn->set_title("ColorUniform");
+		LineEdit *le = memnew( LineEdit );
+		gn->add_child(le);
+		le->set_text(graph->input_node_get_name(type,p_id));
+		le->connect("text_entered",this,"_input_name_changed",varray(p_id,le));
+		ColorPickerButton *cpb = memnew( ColorPickerButton );
+		cpb->set_color(graph->rgb_input_node_get_value(type,p_id));
+		cpb->connect("color_changed",this,"_rgb_input_changed",varray(p_id));
+		gn->add_child(cpb);
+		Label *l = memnew( Label );
+		l->set_text("RGB");
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child(l);
+		l = memnew( Label );
+		l->set_text("Alpha");
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child(l);
+
+		gn->set_slot(2,false,0,Color(),true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(3,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+
+	} break; // color uniform (assignable in material)
+	case ShaderGraph::NODE_XFORM_INPUT: {
+		gn->set_title("XFUniform");
+		LineEdit *le = memnew( LineEdit );
+		gn->add_child(le);
+		le->set_text(graph->input_node_get_name(type,p_id));
+		le->connect("text_entered",this,"_input_name_changed",varray(p_id,le));
+		ToolButton *edit = memnew( ToolButton );
+		edit->set_text("edit..");
+		edit->connect("pressed",this,"_xform_input_changed",varray(p_id,edit));
+		gn->add_child(edit);
+		gn->set_slot(1,false,0,Color(),true,ShaderGraph::SLOT_TYPE_XFORM,typecol[ShaderGraph::SLOT_TYPE_XFORM]);
+
+	} break; // mat4 uniform (assignable in material)
+	case ShaderGraph::NODE_TEXTURE_INPUT: {
+
+		gn->set_title("TexUniform");
+		LineEdit *le = memnew( LineEdit );
+		gn->add_child(le);
+		le->set_text(graph->input_node_get_name(type,p_id));
+		le->connect("text_entered",this,"_input_name_changed",varray(p_id,le));
+		TextureFrame *tex = memnew( TextureFrame );
+		tex->set_expand(true);
+		tex->set_custom_minimum_size(Size2(80,80));
+		tex->set_drag_forwarding(this);
+		gn->add_child(tex);
+		tex->set_ignore_mouse(false);
+		tex->set_texture(graph->texture_input_node_get_value(type,p_id));
+		ToolButton *edit = memnew( ToolButton );
+		edit->set_text("edit..");
+		edit->connect("pressed",this,"_tex_edited",varray(p_id,edit));
+		gn->add_child(edit);
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("UV", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("UV: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		Label *l=memnew(Label("RGB"));
+		l->set_align(Label::ALIGN_RIGHT);
+		hbc->add_child(l);
+		gn->add_child(hbc);
+		l = memnew( Label );
+		l->set_text("Alpha");
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child(l);
+
+		gn->set_slot(3,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(4,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+	} break; // texture input (assignable in material)
+	case ShaderGraph::NODE_CUBEMAP_INPUT: {
+
+		gn->set_title("TexUniform");
+		LineEdit *le = memnew( LineEdit );
+		gn->add_child(le);
+		le->set_text(graph->input_node_get_name(type,p_id));
+		le->connect("text_entered",this,"_input_name_changed",varray(p_id,le));
+
+		ToolButton *edit = memnew( ToolButton );
+		edit->set_text("edit..");
+		edit->connect("pressed",this,"_cube_edited",varray(p_id,edit));
+		gn->add_child(edit);
+
+
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("UV", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("UV: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		Label *l=memnew(Label("RGB"));
+		l->set_align(Label::ALIGN_RIGHT);
+		hbc->add_child(l);
+		gn->add_child(hbc);
+		l = memnew( Label );
+		l->set_text("Alpha");
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child(l);
+
+		gn->set_slot(2,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(3,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+	} break; // cubemap input (assignable in material)
+	case ShaderGraph::NODE_DEFAULT_TEXTURE: {
+
+		gn->set_title("CanvasItemTex");
+		HBoxContainer *hbc = memnew( HBoxContainer );
+		hbc->add_constant_override("separation",0);
+		if (graph->is_slot_connected(type, p_id, 0)) {
+			hbc->add_child(make_label("UV", Variant::VECTOR3));
+		} else {
+			Vector3 v = graph->default_get_value(type,p_id,0);
+			hbc->add_child(make_editor(String("UV: ")+v,gn,p_id,0,Variant::VECTOR3));
+		}
+		hbc->add_spacer();
+		Label *l=memnew(Label("RGB"));
+		l->set_align(Label::ALIGN_RIGHT);
+		hbc->add_child(l);
+		gn->add_child(hbc);
+		l = memnew( Label );
+		l->set_text("Alpha");
+		l->set_align(Label::ALIGN_RIGHT);
+		gn->add_child(l);
+
+		gn->set_slot(0,true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC],true,ShaderGraph::SLOT_TYPE_VEC,typecol[ShaderGraph::SLOT_TYPE_VEC]);
+		gn->set_slot(1,false,0,Color(),true,ShaderGraph::SLOT_TYPE_SCALAR,typecol[ShaderGraph::SLOT_TYPE_SCALAR]);
+
+
+	} break; // screen texture sampler (takes UV) (only usable in fragment case Shader)
+
+	case ShaderGraph::NODE_OUTPUT: {
+		gn->set_title("Output");
+		gn->set_show_close_button(false);
+
+		List<ShaderGraph::SlotInfo> si;
+		ShaderGraph::get_input_output_node_slot_info(graph->get_mode(),type,&si);
+
+		Array colors;
+		colors.push_back("Color");
+		colors.push_back("LightColor");
+		colors.push_back("Light");
+		colors.push_back("ShadowColor");
+		colors.push_back("Diffuse");
+		colors.push_back("Specular");
+		colors.push_back("Emmision");
+		Array reals;
+		reals.push_back("Alpha");
+		reals.push_back("DiffuseAlpha");
+		reals.push_back("NormalMapDepth");
+		reals.push_back("SpecExp");
+		reals.push_back("Glow");
+		reals.push_back("ShadeParam");
+		reals.push_back("SpecularExp");
+		reals.push_back("LightAlpha");
+		reals.push_back("ShadowAlpha");
+		reals.push_back("PointSize");
+		reals.push_back("Discard");
+
+		int idx=0;
+		for (List<ShaderGraph::SlotInfo>::Element *E=si.front();E;E=E->next()) {
+			ShaderGraph::SlotInfo& s=E->get();
+			if (s.dir==ShaderGraph::SLOT_OUT) {
+				Variant::Type v;
+				if (colors.find(s.name)>=0)
+					v=Variant::COLOR;
+				else if (reals.find(s.name)>=0)
+					v=Variant::REAL;
+				else
+					v=Variant::VECTOR3;
+				gn->add_child(make_label(s.name, v));
+				gn->set_slot(idx,true,s.type,typecol[s.type],false,0,Color());
+				idx++;
+			}
+		}
+
+	} break; // output (case Shader type dependent)
+	case ShaderGraph::NODE_COMMENT: {
+		gn->set_title("Comment");
+		TextEdit *te = memnew(TextEdit);
+		te->set_custom_minimum_size(Size2(100,100));
+		gn->add_child(te);
+		te->set_text(graph->comment_node_get_text(type,p_id));
+		te->connect("text_changed",this,"_comment_edited",varray(p_id,te));
+
+	} break; // comment
+
+
+
+	}
+
+	gn->connect("dragged",this,"_node_moved",varray(p_id));
+	gn->connect("close_request",this,"_node_removed",varray(p_id),CONNECT_DEFERRED);
+	graph_edit->add_child(gn);
+	node_map[p_id]=gn;
+	gn->set_offset(graph->node_get_pos(type,p_id));
+
+
+}
+
+void ShaderGraphView::_update_graph() {
+
+
+	if (block_update)
+		return;
+
+	for (Map<int,GraphNode*>::Element *E=node_map.front();E;E=E->next()) {
+
+		memdelete(E->get());
+	}
+
+	node_map.clear();
+
+	if (!graph.is_valid())
+		return;
+
+
+	List<int> nl;
+	graph->get_node_list(type,&nl);
+
+	for(List<int>::Element *E=nl.front();E;E=E->next()) {
+
+		_create_node(E->get());
+	}
+	graph_edit->clear_connections();
+
+	List<ShaderGraph::Connection> connections;
+	graph->get_node_connections(type,&connections);
+	for(List<ShaderGraph::Connection>::Element *E=connections.front();E;E=E->next()) {
+
+		ERR_CONTINUE(!node_map.has(E->get().src_id) || !node_map.has(E->get().dst_id));
+		graph_edit->connect_node(node_map[E->get().src_id]->get_name(),E->get().src_slot,node_map[E->get().dst_id]->get_name(),E->get().dst_slot);
+	}
+
+}
+
+void ShaderGraphView::_sg_updated() {
+
+	if (!graph.is_valid())
+		return;
+	switch(graph->get_graph_error(type)) {
+	case ShaderGraph::GRAPH_OK: status->set_text(""); break;
+	case ShaderGraph::GRAPH_ERROR_CYCLIC: status->set_text(TTR("Error: Cyclic Connection Link")); break;
+	case ShaderGraph::GRAPH_ERROR_MISSING_CONNECTIONS: status->set_text(TTR("Error: Missing Input Connections")); break;
+	}
+}
+
+Variant ShaderGraphView::get_drag_data_fw(const Point2 &p_point, Control *p_from)
+{
+	TextureFrame* frame = p_from->cast_to<TextureFrame>();
+	if (!frame)
+		return Variant();
+
+	if (!frame->get_texture().is_valid())
+		return Variant();
+
+	RES res = frame->get_texture();
+	return EditorNode::get_singleton()->drag_resource(res,p_from);
+
+	return Variant();
+}
+
+bool ShaderGraphView::can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) const
+{
+	if (p_data.get_type() != Variant::DICTIONARY)
+		return false;
+
+	Dictionary d = p_data;
+
+	if (d.has("type")){
+		if (d["type"] == "resource" && d.has("resource")) {
+			Variant val = d["resource"];
+
+			if (val.get_type()==Variant::OBJECT) {
+				RES res = val;
+				if (res.is_valid() && res->cast_to<Texture>())
+					return true;
+			}
+		}
+		else if (d["type"] == "files" && d.has("files")) {
+			Vector<String> files = d["files"];
+			if (files.size() != 1)
+				return false;
+			return (ResourceLoader::get_resource_type(files[0]) == "ImageTexture");
+		}
+	}
+
+	return false;
+}
+
+void ShaderGraphView::drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from)
+{
+	if (!can_drop_data_fw(p_point, p_data, p_from))
+		return;
+
+	TextureFrame *frame = p_from->cast_to<TextureFrame>();
+	if (!frame)
+		return;
+
+	Dictionary d = p_data;
+	Ref<Texture> tex;
+
+	if (d.has("type")) {
+		if (d["type"] == "resource" && d.has("resource")){
+			Variant val = d["resource"];
+
+			if (val.get_type()==Variant::OBJECT) {
+				RES res = val;
+				if (res.is_valid())
+					tex = Ref<Texture>(res->cast_to<Texture>());
+			}
+		}
+		else if (d["type"] == "files" && d.has("files")) {
+			Vector<String> files = d["files"];
+			RES res = ResourceLoader::load(files[0]);
+			if (res.is_valid())
+				tex = Ref<Texture>(res->cast_to<Texture>());
+		}
+	}
+
+	if (!tex.is_valid()) return;
+
+	GraphNode *gn = frame->get_parent()->cast_to<GraphNode>();
+	if (!gn) return;
+
+	int id = -1;
+	for(Map<int,GraphNode*>::Element *E = node_map.front();E;E=E->next())
+		if (E->get() == gn) {
+			id = E->key();
+			break;
+		}
+	print_line(String::num(double(id)));
+	if (id < 0) return;
+
+	if (graph->node_get_type(type,id)==ShaderGraph::NODE_TEXTURE_INPUT) {
+
+		UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+		ur->create_action(TTR("Change Texture Uniform"));
+		ur->add_do_method(graph.ptr(),"texture_input_node_set_value",type,id,tex);
+		ur->add_undo_method(graph.ptr(),"texture_input_node_set_value",type,id,graph->texture_input_node_get_value(type,id));
+		ur->add_do_method(this,"_update_graph");
+		ur->add_undo_method(this,"_update_graph");
+		ur->commit_action();
+	}
+}
+
+void ShaderGraphView::set_graph(Ref<ShaderGraph> p_graph){
+
+
+	if (graph.is_valid()) {
+		graph->disconnect("updated",this,"_sg_updated");
+	}
+	graph=p_graph;
+	if (graph.is_valid()) {
+		graph->connect("updated",this,"_sg_updated");
+	}
+	_update_graph();
+	_sg_updated();
+
+}
+
+void ShaderGraphView::_notification(int p_what) {
+
+	if (p_what==NOTIFICATION_ENTER_TREE) {
+
+		ped_popup->connect("variant_changed",this,"_variant_edited");
+	}
+}
+
+void ShaderGraphView::add_node(int p_type, const Vector2 &location) {
+
+	if (p_type==ShaderGraph::NODE_INPUT && graph->node_count(type, p_type)>0)
+		return;
+
+	List<int> existing;
+	graph->get_node_list(type,&existing);
+	existing.sort();
+	int newid=1;
+	for(List<int>::Element *E=existing.front();E;E=E->next()) {
+		if (!E->next() || (E->get()+1!=E->next()->get())){
+			newid=E->get()+1;
+			break;
+		}
+	}
+
+	Vector2 init_ofs = location;
+	while(true) {
+		bool valid=true;
+		for(List<int>::Element *E=existing.front();E;E=E->next()) {
+			Vector2 pos = graph->node_get_pos(type,E->get());
+			if (init_ofs==pos) {
+				init_ofs+=Vector2(20,20);
+				valid=false;
+				break;
+
+			}
+		}
+
+		if (valid)
+			break;
+	}
+	UndoRedo *ur=EditorNode::get_singleton()->get_undo_redo();
+	ur->create_action(TTR("Add Shader Graph Node"));
+	ur->add_do_method(graph.ptr(),"node_add",type,p_type,newid);
+	ur->add_do_method(graph.ptr(),"node_set_pos",type,newid,init_ofs);
+	ur->add_undo_method(graph.ptr(),"node_remove",type,newid);
+	ur->add_do_method(this,"_update_graph");
+	ur->add_undo_method(this,"_update_graph");
+	ur->commit_action();
+
+}
+
+void ShaderGraphView::_bind_methods() {
+
+	ObjectTypeDB::bind_method("_update_graph",&ShaderGraphView::_update_graph);
+	ObjectTypeDB::bind_method("_begin_node_move", &ShaderGraphView::_begin_node_move);
+	ObjectTypeDB::bind_method("_node_moved",&ShaderGraphView::_node_moved);
+	ObjectTypeDB::bind_method("_end_node_move", &ShaderGraphView::_end_node_move);
+	ObjectTypeDB::bind_method("_move_node",&ShaderGraphView::_move_node);
+	ObjectTypeDB::bind_method("_node_removed",&ShaderGraphView::_node_removed);
+	ObjectTypeDB::bind_method("_connection_request",&ShaderGraphView::_connection_request);
+	ObjectTypeDB::bind_method("_disconnection_request",&ShaderGraphView::_disconnection_request);
+	ObjectTypeDB::bind_method("_duplicate_nodes_request", &ShaderGraphView::_duplicate_nodes_request);
+	ObjectTypeDB::bind_method("_duplicate_nodes", &ShaderGraphView::_duplicate_nodes);
+	ObjectTypeDB::bind_method("_delete_nodes_request", &ShaderGraphView::_delete_nodes_request);
+
+	ObjectTypeDB::bind_method("_default_changed",&ShaderGraphView::_default_changed);
+	ObjectTypeDB::bind_method("_scalar_const_changed",&ShaderGraphView::_scalar_const_changed);
+	ObjectTypeDB::bind_method("_vec_const_changed",&ShaderGraphView::_vec_const_changed);
+	ObjectTypeDB::bind_method("_rgb_const_changed",&ShaderGraphView::_rgb_const_changed);
+	ObjectTypeDB::bind_method("_xform_const_changed",&ShaderGraphView::_xform_const_changed);
+	ObjectTypeDB::bind_method("_scalar_op_changed",&ShaderGraphView::_scalar_op_changed);
+	ObjectTypeDB::bind_method("_vec_op_changed",&ShaderGraphView::_vec_op_changed);
+	ObjectTypeDB::bind_method("_vec_scalar_op_changed",&ShaderGraphView::_vec_scalar_op_changed);
+	ObjectTypeDB::bind_method("_rgb_op_changed",&ShaderGraphView::_rgb_op_changed);
+	ObjectTypeDB::bind_method("_xform_inv_rev_changed",&ShaderGraphView::_xform_inv_rev_changed);
+	ObjectTypeDB::bind_method("_scalar_func_changed",&ShaderGraphView::_scalar_func_changed);
+	ObjectTypeDB::bind_method("_vec_func_changed",&ShaderGraphView::_vec_func_changed);
+	ObjectTypeDB::bind_method("_scalar_input_changed",&ShaderGraphView::_scalar_input_changed);
+	ObjectTypeDB::bind_method("_vec_input_changed",&ShaderGraphView::_vec_input_changed);
+	ObjectTypeDB::bind_method("_xform_input_changed",&ShaderGraphView::_xform_input_changed);
+	ObjectTypeDB::bind_method("_rgb_input_changed",&ShaderGraphView::_rgb_input_changed);
+	ObjectTypeDB::bind_method("_tex_input_change",&ShaderGraphView::_tex_input_change);
+	ObjectTypeDB::bind_method("_cube_input_change",&ShaderGraphView::_cube_input_change);
+	ObjectTypeDB::bind_method("_input_name_changed",&ShaderGraphView::_input_name_changed);
+	ObjectTypeDB::bind_method("_tex_edited",&ShaderGraphView::_tex_edited);
+	ObjectTypeDB::bind_method("_variant_edited",&ShaderGraphView::_variant_edited);
+	ObjectTypeDB::bind_method("_cube_edited",&ShaderGraphView::_cube_edited);
+	ObjectTypeDB::bind_method("_comment_edited",&ShaderGraphView::_comment_edited);
+	ObjectTypeDB::bind_method("_color_ramp_changed",&ShaderGraphView::_color_ramp_changed);
+	ObjectTypeDB::bind_method("_curve_changed",&ShaderGraphView::_curve_changed);
+
+	ObjectTypeDB::bind_method(_MD("get_drag_data_fw"), &ShaderGraphView::get_drag_data_fw);
+	ObjectTypeDB::bind_method(_MD("can_drop_data_fw"), &ShaderGraphView::can_drop_data_fw);
+	ObjectTypeDB::bind_method(_MD("drop_data_fw"), &ShaderGraphView::drop_data_fw);
+
+	ObjectTypeDB::bind_method("_sg_updated",&ShaderGraphView::_sg_updated);
+}
+
+ShaderGraphView::ShaderGraphView(ShaderGraph::ShaderType p_type) {
+
+	type=p_type;
+	graph_edit = memnew( GraphEdit );
+	block_update=false;
+	ped_popup = memnew( CustomPropertyEditor );
+	graph_edit->add_child(ped_popup);
+	status = memnew( Label );
+	graph_edit->get_top_layer()->add_child(status);
+	graph_edit->connect("_begin_node_move", this, "_begin_node_move");
+	graph_edit->connect("_end_node_move", this, "_end_node_move");
+	status->set_pos(Vector2(5,5));
+	status->add_color_override("font_color_shadow",Color(0,0,0));
+	status->add_color_override("font_color",Color(1,0.4,0.3));
+	status->add_constant_override("shadow_as_outline",1);
+	status->add_constant_override("shadow_offset_x",2);
+	status->add_constant_override("shadow_offset_y",2);
+	status->set_text("");
+}
+
+
+//////////////edit//////////////
+void ShaderGraphEditor::edit(Ref<ShaderGraph> p_shader) {
+
+	for(int i=0;i<ShaderGraph::SHADER_TYPE_MAX;i++) {
+		graph_edits[i]->set_graph(p_shader);
+	}
+}
+
+void ShaderGraphEditor::_add_node(int p_type) {
+
+	ShaderGraph::ShaderType shader_type=ShaderGraph::ShaderType(tabs->get_current_tab());
+	graph_edits[shader_type]->add_node(p_type, next_location);
+}
+
+void ShaderGraphEditor::_popup_requested(const Vector2 &p_position)
+{
+	Vector2 scroll_ofs=graph_edits[tabs->get_current_tab()]->get_graph_edit()->get_scroll_ofs();
+	next_location = get_local_mouse_pos() + scroll_ofs;
+	popup->set_global_pos(p_position);
+	popup->set_size( Size2( 200, 0) );
+	popup->popup();
+	popup->call_deferred("grab_click_focus");
+	popup->set_invalidate_click_until_motion();
+}
+
+void ShaderGraphEditor::_notification(int p_what) {
+	if (p_what==NOTIFICATION_ENTER_TREE) {
+
+		for(int i=0;i<ShaderGraph::NODE_TYPE_MAX;i++) {
+
+			if (i==ShaderGraph::NODE_OUTPUT)
+				continue;
+			if (!_2d && i==ShaderGraph::NODE_DEFAULT_TEXTURE)
+				continue;
+
+			String nn = node_names[i];
+			String ic = nn.get_slice(":",0);
+			String v = nn.get_slice(":",1);
+			bool addsep=false;
+			if (nn.ends_with(":")) {
+				addsep=true;
+			}
+			popup->add_icon_item(get_icon(ic,"EditorIcons"),v,i);
+			if (addsep)
+				popup->add_separator();
+		}
+		popup->connect("item_pressed",this,"_add_node");
+
+
+	}
+}
+
+void ShaderGraphEditor::_bind_methods() {
+
+	ObjectTypeDB::bind_method("_add_node",&ShaderGraphEditor::_add_node);
+	ObjectTypeDB::bind_method("_popup_requested",&ShaderGraphEditor::_popup_requested);
+}
+
+
+const char* ShaderGraphEditor::node_names[ShaderGraph::NODE_TYPE_MAX]={
+	("GraphInput:Input"), // all inputs (shader type dependent)
+	("GraphScalar:Scalar Constant"), //scalar constant
+	("GraphVector:Vector Constant"), //vec3 constant
+	("GraphRgb:RGB Constant"), //rgb constant (shows a color picker instead)
+	("GraphXform:XForm Constant"), // 4x4 matrix constant
+	("GraphTime:Time:"), // time in seconds
+	("GraphTexscreen:Screen Sample"), // screen texture sampler (takes uv) (only usable in fragment shader)
+	("GraphScalarOp:Scalar Operator"), // scalar vs scalar op (mul", add", div", etc)
+	("GraphVecOp:Vector Operator"), // vec3 vs vec3 op (mul",ad",div",crossprod",etc)
+	("GraphVecScalarOp:Scalar+Vector Operator"), // vec3 vs scalar op (mul", add", div", etc)
+	("GraphRgbOp:RGB Operator:"), // vec3 vs vec3 rgb op (with scalar amount)", like brighten", darken", burn", dodge", multiply", etc.
+	("GraphXformMult:XForm Multiply"), // mat4 x mat4
+	("GraphXformVecMult:XForm+Vector Multiply"), // mat4 x vec3 mult (with no-translation option)
+	("GraphXformVecImult:Form+Vector InvMultiply:"), // mat4 x vec3 inverse mult (with no-translation option)
+	("GraphXformScalarFunc:Scalar Function"), // scalar function (sin", cos", etc)
+	("GraphXformVecFunc:Vector Function"), // vector function (normalize", negate", reciprocal", rgb2hsv", hsv2rgb", etc", etc)
+	("GraphVecLength:Vector Length"), // vec3 length
+	("GraphVecDp:Dot Product:"), // vec3 . vec3 (dot product -> scalar output)
+	("GraphVecToScalars:Vector -> Scalars"), // 1 vec3 input", 3 scalar outputs
+	("GraphScalarsToVec:Scalars -> Vector"), // 3 scalar input", 1 vec3 output
+	("GraphXformToVecs:XForm -> Vectors"), // 3 vec input", 1 xform output
+	("GraphVecsToXform:Vectors -> XForm:"), // 3 vec input", 1 xform output
+	("GraphScalarInterp:Scalar Interpolate"), // scalar interpolation (with optional curve)
+	("GraphVecInterp:Vector Interpolate:"), // vec3 interpolation  (with optional curve)
+	("GraphColorRamp:Color Ramp"), // vec3 interpolation  (with optional curve)
+	("GraphCurveMap:Curve Remap:"), // vec3 interpolation  (with optional curve)
+	("GraphScalarUniform:Scalar Uniform"), // scalar uniform (assignable in material)
+	("GraphVectorUniform:Vector Uniform"), // vec3 uniform (assignable in material)
+	("GraphRgbUniform:RGB Uniform"), // color uniform (assignable in material)
+	("GraphXformUniform:XForm Uniform"), // mat4 uniform (assignable in material)
+	("GraphTextureUniform:Texture Uniform"), // texture input (assignable in material)
+	("GraphCubeUniform:CubeMap Uniform:"), // cubemap input (assignable in material)
+	("GraphDefaultTexture:CanvasItem Texture:"), // cubemap input (assignable in material)
+	("Output"), // output (shader type dependent)
+	("GraphComment:Comment"), // comment
+
+
+};
+ShaderGraphEditor::ShaderGraphEditor(bool p_2d) {
+	_2d=p_2d;
+
+	popup = memnew( PopupMenu );
+	add_child(popup);
+
+
+	tabs = memnew(TabContainer);
+	tabs->set_v_size_flags(SIZE_EXPAND_FILL);
+	add_child(tabs);
+	const char* sname[ShaderGraph::SHADER_TYPE_MAX]={
+		"Vertex",
+		"Fragment",
+		"Light"
+	};
+	for(int i=0;i<ShaderGraph::SHADER_TYPE_MAX;i++) {
+
+		graph_edits[i]= memnew( ShaderGraphView(ShaderGraph::ShaderType(i)) );
+		add_child(graph_edits[i]);
+		graph_edits[i]->get_graph_edit()->set_name(sname[i]);
+		tabs->add_child(graph_edits[i]->get_graph_edit());
+		graph_edits[i]->get_graph_edit()->connect("connection_request",graph_edits[i],"_connection_request");
+		graph_edits[i]->get_graph_edit()->connect("disconnection_request",graph_edits[i],"_disconnection_request");
+		graph_edits[i]->get_graph_edit()->connect("duplicate_nodes_request", graph_edits[i], "_duplicate_nodes_request");
+		graph_edits[i]->get_graph_edit()->connect("popup_request",this,"_popup_requested");
+		graph_edits[i]->get_graph_edit()->connect("delete_nodes_request",graph_edits[i],"_delete_nodes_request");
+		graph_edits[i]->get_graph_edit()->set_right_disconnects(true);
+	}
+
+	tabs->set_current_tab(1);
+
+	set_custom_minimum_size(Size2(100,300));
+}
+
+
+void ShaderGraphEditorPlugin::edit(Object *p_object) {
+
+	shader_editor->edit(p_object->cast_to<ShaderGraph>());
+}
+
+bool ShaderGraphEditorPlugin::handles(Object *p_object) const {
+
+	ShaderGraph *shader=p_object->cast_to<ShaderGraph>();
+	if (!shader)
+		return false;
+	if (_2d)
+		return shader->get_mode()==Shader::MODE_CANVAS_ITEM;
+	else
+		return shader->get_mode()==Shader::MODE_MATERIAL;
+}
+
+void ShaderGraphEditorPlugin::make_visible(bool p_visible) {
+
+	if (p_visible) {
+		shader_editor->show();
+	} else {
+
+		shader_editor->hide();
+	}
+
+}
+
+ShaderGraphEditorPlugin::ShaderGraphEditorPlugin(EditorNode *p_node, bool p_2d) {
+
+	_2d=p_2d;
+	editor=p_node;
+	shader_editor = memnew( ShaderGraphEditor(p_2d) );
+	shader_editor->hide();
+	if (p_2d)
+		CanvasItemEditor::get_singleton()->get_bottom_split()->add_child(shader_editor);
+	else
+		SpatialEditor::get_singleton()->get_shader_split()->add_child(shader_editor);
+
+
+	//	editor->get_viewport()->add_child(shader_editor);
+	//	shader_editor->set_area_as_parent_rect();
+	//	shader_editor->hide();
+
+}
+
+
+ShaderGraphEditorPlugin::~ShaderGraphEditorPlugin()
+{
+}
+
+
+
-- 
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