diff --git a/addons/material_maker/engine/gen_graph.gd b/addons/material_maker/engine/gen_graph.gd
index ad0b7ba..c968217 100644
--- a/addons/material_maker/engine/gen_graph.gd
+++ b/addons/material_maker/engine/gen_graph.gd
@@ -12,8 +12,16 @@ func get_type_name():
 	return label
 
 func get_parameter_defs():
+	var params = get_node("gen_parameters")
+	if params != null:
+		return params.get_parameter_defs()
 	return []
 
+func set_parameter(p, v):
+	var params = get_node("gen_parameters")
+	if params != null:
+		return params.set_parameter(p, v)
+
 func get_input_defs():
 	var inputs = get_node("gen_inputs")
 	if inputs != null:
@@ -98,10 +106,8 @@ func disconnect_children(from, from_port : int, to, to_port : int):
 	return true
 
 func _get_shader_code(uv : String, output_index : int, context : MMGenContext):
-	print("Getting shader code from graph")
 	var outputs = get_node("gen_outputs")
 	if outputs != null:
-		print("found!")
 		var rv = outputs._get_shader_code(uv, output_index, context)
 		while rv is GDScriptFunctionState:
 			rv = yield(rv, "completed")
diff --git a/addons/material_maker/engine/gen_remote.gd b/addons/material_maker/engine/gen_remote.gd
index 92e5fc7..1828cdc 100644
--- a/addons/material_maker/engine/gen_remote.gd
+++ b/addons/material_maker/engine/gen_remote.gd
@@ -76,6 +76,8 @@ func set_parameter(p, v):
 				print("error: incorrect config control parameter value")
 				return
 	.set_parameter(p, v)
+	if name == "gen_parameters":
+		get_parent().parameters[p] = v
 
 func _serialize(data):
 	data.type = "remote"
diff --git a/addons/material_maker/engine/loader.gd b/addons/material_maker/engine/loader.gd
index bcd576f..b428687 100644
--- a/addons/material_maker/engine/loader.gd
+++ b/addons/material_maker/engine/loader.gd
@@ -62,7 +62,7 @@ static func create_gen(data) -> MMGenBase:
 		elif data.type == "ios":
 			generator = MMGenIOs.new()
 			if data.has("mask"):
-				generator.mask = data.mask
+				generator.mask = int(data.mask)
 			generator.ports = data.ports
 		elif data.type == "switch":
 			generator = MMGenSwitch.new()
diff --git a/addons/material_maker/icons/icons.svg b/addons/material_maker/icons/icons.svg
index 61805a8..2a31081 100644
--- a/addons/material_maker/icons/icons.svg
+++ b/addons/material_maker/icons/icons.svg
@@ -10,9 +10,9 @@
    xmlns:xlink="http://www.w3.org/1999/xlink"
    xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="210mm"
-   height="297mm"
-   viewBox="0 0 210 297"
+   width="64"
+   height="64"
+   viewBox="0 0 64 64"
    version="1.1"
    id="svg8"
    inkscape:version="0.92.3 (2405546, 2018-03-11)"
@@ -48,20 +48,27 @@
      borderopacity="1.0"
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="1.1274425"
-     inkscape:cx="116.41955"
-     inkscape:cy="914.64295"
-     inkscape:document-units="mm"
+     inkscape:zoom="14.304427"
+     inkscape:cx="46.907045"
+     inkscape:cy="41.347265"
+     inkscape:document-units="px"
      inkscape:current-layer="layer1"
      showgrid="true"
      inkscape:window-width="1920"
      inkscape:window-height="1017"
      inkscape:window-x="-8"
      inkscape:window-y="-8"
-     inkscape:window-maximized="1">
+     inkscape:window-maximized="1"
+     inkscape:pagecheckerboard="true"
+     units="px"
+     scale-x="2.1"
+     inkscape:snap-to-guides="false"
+     inkscape:snap-grids="false">
     <inkscape:grid
        type="xygrid"
-       id="grid815" />
+       id="grid815"
+       spacingx="4.2333332"
+       spacingy="4.2333332" />
   </sodipodi:namedview>
   <metadata
      id="metadata5">
@@ -71,25 +78,18 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title />
+        <dc:title></dc:title>
       </cc:Work>
     </rdf:RDF>
   </metadata>
   <g
      inkscape:label="Calque 1"
      inkscape:groupmode="layer"
-     id="layer1">
-    <rect
-       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
-       id="rect4533"
-       width="238.125"
-       height="174.625"
-       x="-10.583333"
-       y="-3.3020833"
-       ry="0.82414269" />
+     id="layer1"
+     transform="translate(0,-280.06665)">
     <g
        id="g4582"
-       transform="matrix(1.2003144,0.26398218,-0.26389538,1.2007092,-4.1100858,-17.15364)"
+       transform="matrix(0.63156765,0.13889911,-0.13885344,0.63177538,-0.50529,268.1154)"
        inkscape:export-filename="link.png"
        inkscape:export-xdpi="15.926786"
        inkscape:export-ydpi="15.926786">
@@ -109,7 +109,7 @@
        inkscape:export-xdpi="16.531826"
        inkscape:export-filename="remove.png"
        id="g4564"
-       transform="matrix(0.82426401,0.81188676,-0.82426401,0.81188676,84.358228,-6.2929802)"
+       transform="matrix(0.43370177,0.42718925,-0.43370177,0.42718925,43.791013,273.09803)"
        style="fill:#ff0909;fill-opacity:1">
       <rect
          style="opacity:1;fill:#ff0909;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
@@ -133,7 +133,7 @@
        inkscape:export-filename="config.png"
        inkscape:export-xdpi="16.559999"
        inkscape:export-ydpi="16.559999"
-       transform="matrix(1.0254261,0,0,1.0022479,-9.1237225,-33.22013)">
+       transform="matrix(0.53954693,0,0,0.52735129,-2.0235322,258.7025)">
       <path
          inkscape:connector-curvature="0"
          id="path4598"
@@ -142,7 +142,7 @@
     </g>
     <g
        id="g855"
-       transform="matrix(0.48976049,-0.48711566,0.48711566,0.48976049,-26.645494,39.257287)"
+       transform="matrix(0.25769655,-0.25630492,0.25630492,0.25769655,4.0104312,296.39647)"
        inkscape:export-filename="edit.png"
        inkscape:export-xdpi="14.942099"
        inkscape:export-ydpi="14.942099">
@@ -185,17 +185,20 @@
        id="g879"
        inkscape:export-filename="save.png"
        inkscape:export-xdpi="14"
-       inkscape:export-ydpi="14">
+       inkscape:export-ydpi="14"
+       transform="matrix(0.52616852,0,0,0.52616852,14.395212,275.18126)">
       <path
          id="rect859"
          transform="scale(0.26458333)"
-         d="M 130 152.51953 L 130 262.51953 L 240 262.51953 L 240 163.23047 L 229.28906 152.51953 L 130 152.51953 z "
-         style="opacity:1;fill:#14008d;fill-opacity:1;stroke:none;stroke-width:3.77952766;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
+         d="m 130,152.51953 v 110 h 110 v -99.28906 l -10.71094,-10.71094 z"
+         style="opacity:1;fill:#14008d;fill-opacity:1;stroke:none;stroke-width:3.77952766;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
       <path
          id="rect861"
          transform="scale(0.26458333)"
-         d="M 155 152.51953 L 155 192.51953 L 215 192.51953 L 215 152.51953 L 155 152.51953 z M 195 162.51953 L 205 162.51953 L 205 182.51953 L 195 182.51953 L 195 162.51953 z "
-         style="opacity:1;fill:#afafaf;fill-opacity:1;stroke:none;stroke-width:4.04048538;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
+         d="m 155,152.51953 v 40 h 60 v -40 z m 40,10 h 10 v 20 h -10 z"
+         style="opacity:1;fill:#afafaf;fill-opacity:1;stroke:none;stroke-width:4.04048538;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
       <rect
          ry="2.6458347"
          y="53.583332"
@@ -207,34 +210,23 @@
     </g>
     <g
        style="fill:#18ff09;fill-opacity:1"
-       transform="matrix(0.00708854,0.93703452,-0.93703452,-0.00708854,131.56263,7.7603075)"
+       transform="matrix(0.00372977,0.49303806,-0.49303806,-0.00372977,83.199877,280.80247)"
        id="g849"
        inkscape:export-filename="plus.png"
        inkscape:export-xdpi="16.531826"
        inkscape:export-ydpi="16.531826">
-      <rect
-         ry="0"
-         y="8.604167"
-         x="10.583333"
-         height="26.458334"
-         width="5.2916665"
+      <path
+         style="opacity:1;fill:#18ff09;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         d="m 1.7704433,57.914123 10.5809277,8.16e-4 8.46e-4,10.584889 5.292445,4.22e-4 -8.47e-4,-10.58489 10.58489,8.46e-4 -4.24e-4,-5.292444 -10.580925,-8.16e-4 -8.47e-4,-10.58489 -5.292414,0.0035 8.14e-4,10.580928 -10.5848882,-8.47e-4 z"
          id="rect844"
-         style="opacity:1;fill:#18ff09;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
-      <rect
-         ry="0"
-         y="19.1875"
-         x="0"
-         height="5.2916665"
-         width="26.458332"
-         id="rect847"
-         style="opacity:1;fill:#18ff09;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
+         inkscape:connector-curvature="0" />
     </g>
     <g
        inkscape:export-ydpi="16.531826"
        inkscape:export-xdpi="16.531826"
        inkscape:export-filename="minus.png"
        id="g856"
-       transform="matrix(0.00708854,0.93703452,-0.93703452,-0.00708854,162.38808,7.2064523)"
+       transform="matrix(0.00372977,0.49303806,-0.49303806,-0.00372977,18.535206,297.77843)"
        style="fill:#ff0909;fill-opacity:1">
       <rect
          style="opacity:1;fill:#ff0909;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
@@ -249,17 +241,20 @@
        id="g868"
        inkscape:export-filename="load.png"
        inkscape:export-xdpi="13.499794"
-       inkscape:export-ydpi="13.499794">
+       inkscape:export-ydpi="13.499794"
+       transform="matrix(0.51223521,0,0,0.51223521,5.2214853,275.80647)">
       <path
          id="rect849"
          transform="scale(0.26458333)"
-         d="M 330 152.51953 L 330 262.51953 L 420 262.51953 L 420 169.94531 L 402.57227 152.51953 L 330 152.51953 z "
-         style="opacity:1;fill:#ffed46;fill-opacity:1;stroke:#c7b115;stroke-width:3.77952761;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke;stroke-linejoin:round" />
+         d="m 330,152.51953 v 110 h 90 v -92.57422 l -17.42773,-17.42578 z"
+         style="opacity:1;fill:#ffed46;fill-opacity:1;stroke:#c7b115;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
       <path
          id="path855"
          transform="scale(0.26458333)"
-         d="M 403 152.94727 L 403 169.51953 L 419.57422 169.51953 L 403 152.94727 z "
-         style="opacity:1;fill:#ffed46;fill-opacity:1;stroke:#c7b115;stroke-width:3.77952761;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke;stroke-linejoin:round" />
+         d="m 403,152.94727 v 16.57226 h 16.57422 z"
+         style="opacity:1;fill:#ffed46;fill-opacity:1;stroke:#c7b115;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
       <rect
          transform="rotate(-90)"
          ry="2.5431327e-006"
diff --git a/addons/material_maker/main_window.gd b/addons/material_maker/main_window.gd
index 4aba213..1777248 100644
--- a/addons/material_maker/main_window.gd
+++ b/addons/material_maker/main_window.gd
@@ -25,6 +25,7 @@ const MENU = [
 	{ menu="Edit", command="edit_cut", shortcut="Control+X", description="Cut" },
 	{ menu="Edit", command="edit_copy", shortcut="Control+C", description="Copy" },
 	{ menu="Edit", command="edit_paste", shortcut="Control+V", description="Paste" },
+	{ menu="Tools", command="create_subgraph", description="Create subgraph" },
 	{ menu="Tools", command="make_selected_nodes_editable", description="Make selected nodes editable" },
 	{ menu="Tools", command="add_to_user_library", description="Add selected node to user library" },
 	{ menu="Tools", command="save_user_library", description="Save user library" },
@@ -46,6 +47,12 @@ func _ready():
 		m.connect("about_to_show", self, "menu_about_to_show", [ m.name, menu ])
 	new_material()
 
+func get_current_graph_edit():
+	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	if graph_edit != null and graph_edit is GraphEdit:
+		return graph_edit
+	return null
+
 func create_menu(menu, menu_name):
 	menu.clear()
 	menu.connect("id_pressed", self, "_on_PopupMenu_id_pressed")
@@ -152,7 +159,7 @@ func do_load_materials(filenames):
 		do_load_material(f)
 
 func do_load_material(filename):
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	var graph_edit = get_current_graph_edit()
 	var node_count = 2 # So test below succeeds if graph_edit is null...
 	if graph_edit != null:
 		node_count = 0
@@ -169,7 +176,7 @@ func do_load_material(filename):
 	add_recent(filename)
 
 func save_material():
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	var graph_edit = get_current_graph_edit()
 	if graph_edit != null:
 		if graph_edit.save_path != null:
 			graph_edit.save_file(graph_edit.save_path)
@@ -177,7 +184,7 @@ func save_material():
 			save_material_as()
 
 func save_material_as():
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	var graph_edit = get_current_graph_edit()
 	if graph_edit != null:
 		var dialog = FileDialog.new()
 		add_child(dialog)
@@ -192,12 +199,12 @@ func close_material():
 	$VBoxContainer/HBoxContainer/Projects.close_tab()
 
 func export_material():
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	var graph_edit = get_current_graph_edit()
 	if graph_edit != null :
 		graph_edit.export_textures()
 
 func export_material_is_disabled():
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	var graph_edit = get_current_graph_edit()
 	if graph_edit == null or graph_edit.save_path == null:
 		return true
 	return false
@@ -209,16 +216,16 @@ func quit():
 		get_tree().quit()
 
 func edit_cut():
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	var graph_edit = get_current_graph_edit()
 	if graph_edit != null:
 		graph_edit.cut()
 
 func edit_cut_is_disabled():
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	var graph_edit = get_current_graph_edit()
 	return graph_edit == null or !graph_edit.can_copy()
 
 func edit_copy():
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	var graph_edit = get_current_graph_edit()
 	if graph_edit != null:
 		graph_edit.copy()
 
@@ -226,7 +233,7 @@ func edit_copy_is_disabled():
 	return edit_cut_is_disabled()
 
 func edit_paste():
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	var graph_edit = get_current_graph_edit()
 	if graph_edit != null:
 		graph_edit.paste()
 
@@ -235,8 +242,8 @@ func edit_paste_is_disabled():
 	return data == null
 
 func get_selected_nodes():
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
-	if graph_edit != null and graph_edit is GraphEdit:
+	var graph_edit = get_current_graph_edit()
+	if graph_edit != null:
 		var selected_nodes = []
 		for n in graph_edit.get_children():
 			if n is GraphNode and n.selected:
@@ -245,6 +252,14 @@ func get_selected_nodes():
 	else:
 		return []
 
+func create_subgraph():
+	var graph_edit = get_current_graph_edit()
+	var selected_nodes = get_selected_nodes()
+	if !selected_nodes.empty():
+		for n in selected_nodes:
+			print(n.name)
+			# TODO !
+
 func make_selected_nodes_editable():
 	var selected_nodes = get_selected_nodes()
 	if !selected_nodes.empty():
@@ -263,12 +278,12 @@ func add_to_user_library():
 		dialog.popup_centered()
 
 func do_add_to_user_library(name, nodes):
+	var graph_edit = get_current_graph_edit()
 	var data
 	if nodes.size() == 1:
 		data = nodes[0].serialize()
 		data.erase("node_position")
-	else:
-		var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
+	elif graph_edit != null:
 		data = graph_edit.serialize_selection()
 	var dir = Directory.new()
 	dir.make_dir("user://library")
@@ -276,7 +291,6 @@ func do_add_to_user_library(name, nodes):
 	data.library = "user://library/user.json"
 	data.icon = name.right(name.rfind("/")+1).to_lower()
 	$VBoxContainer/HBoxContainer/VBoxContainer/Library.add_item(data, name)
-	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
 	graph_edit.export_texture(nodes[0], "user://library/user/"+data.icon+".png", 64)
 
 func save_user_library():
diff --git a/addons/material_maker/nodes/edit_buttons.tscn b/addons/material_maker/nodes/edit_buttons.tscn
index ce6a0e7..1ae438c 100644
--- a/addons/material_maker/nodes/edit_buttons.tscn
+++ b/addons/material_maker/nodes/edit_buttons.tscn
@@ -1,31 +1,45 @@
-[gd_scene load_steps=5 format=2]
+[gd_scene load_steps=6 format=2]
 
 [ext_resource path="res://addons/material_maker/nodes/edit_buttons.gd" type="Script" id=1]
-[ext_resource path="res://addons/material_maker/icons/edit.png" type="Texture" id=2]
-[ext_resource path="res://addons/material_maker/icons/load.png" type="Texture" id=3]
-[ext_resource path="res://addons/material_maker/icons/save.png" type="Texture" id=4]
+[ext_resource path="res://addons/material_maker/icons/icons.svg" type="Texture" id=2]
+
+[sub_resource type="AtlasTexture" id=1]
+flags = 4
+atlas = ExtResource( 2 )
+region = Rect2( 16, 16, 16, 16 )
+filter_clip = true
+
+[sub_resource type="AtlasTexture" id=2]
+flags = 4
+atlas = ExtResource( 2 )
+region = Rect2( 48, 16, 16, 16 )
+
+[sub_resource type="AtlasTexture" id=3]
+flags = 4
+atlas = ExtResource( 2 )
+region = Rect2( 32, 16, 16, 16 )
 
 [node name="NodeEditButtons" type="HBoxContainer"]
-margin_right = 91.0
+margin_right = 65.0
 margin_bottom = 22.0
 script = ExtResource( 1 )
 
 [node name="Edit" type="Button" parent="."]
-margin_right = 27.0
+margin_right = 13.0
 margin_bottom = 22.0
-icon = ExtResource( 2 )
+icon = SubResource( 1 )
 flat = true
 
 [node name="Load" type="Button" parent="."]
-margin_left = 31.0
-margin_right = 59.0
+margin_left = 17.0
+margin_right = 30.0
 margin_bottom = 22.0
-icon = ExtResource( 3 )
+icon = SubResource( 2 )
 flat = true
 
 [node name="Save" type="Button" parent="."]
-margin_left = 63.0
-margin_right = 91.0
+margin_left = 34.0
+margin_right = 47.0
 margin_bottom = 22.0
-icon = ExtResource( 4 )
+icon = SubResource( 3 )
 flat = true
diff --git a/addons/material_maker/nodes/normal_map.mmg b/addons/material_maker/nodes/normal_map.mmg
index 2d37a31..137b545 100644
--- a/addons/material_maker/nodes/normal_map.mmg
+++ b/addons/material_maker/nodes/normal_map.mmg
@@ -1 +1 @@
-{"connections":[{"from":"nm_convolution","from_port":0,"to":"nm_postprocess","to_port":0},{"from":"nm_postprocess","from_port":0,"to":"gen_outputs","to_port":0},{"from":"gen_inputs","from_port":0,"to":"buffer","to_port":0},{"from":"buffer","from_port":0,"to":"nm_convolution","to_port":0}],"label":"Normal Map","name":"normal_map","node_position":{"x":0,"y":0},"nodes":[{"name":"gen_inputs","node_position":{"x":-259.25,"y":-144.75},"type":"ios","ports":[{"name":"in","type":"rgba"}]},{"name":"gen_outputs","node_position":{"x":145.75,"y":-3.75},"type":"ios","ports":[{"name":"in","type":"rgba"}]},{"convolution_params":{"input_type":"f","matrix":[[[-1,-1,0],[0,-2,0],[1,-1,0]],[[-2,0,0],0,[2,0,0]],[[-1,1,0],[0,2,0],[1,1,0]]],"output_type":"rgb","x":1,"y":1},"name":"nm_convolution","node_position":{"x":-89.25,"y":-76.75},"parameters":{"size":5},"type":"shader"},{"name":"nm_postprocess","node_position":{"x":-98.25,"y":-6.75},"parameters":{"amount":0.995,"size":5},"shader_model":{"global":"","inputs":[{"default":"vec3(0.0)","label":"","name":"in","type":"rgb"}],"instance":"","name":"NormalMapPostProcess","outputs":[{"rgb":"0.5*normalize($in($uv)*$amount*$size/128.0-vec3(0.0, 0.0, 1.0))+vec3(0.5)","type":"rgb"}],"parameters":[{"default":8,"first":4,"label":"","last":11,"name":"size","type":"size"},{"default":1,"label":"","max":2,"min":0,"name":"amount","step":0.005,"type":"float"}]},"type":"shader"},{"name":"buffer","node_position":{"x":-89.663818,"y":-147.39386},"parameters":{"size":5},"type":"buffer"}],"parameters":{"amount":0.35,"size":4},"type":"graph"}
\ No newline at end of file
+{"connections":[{"from":"nm_convolution","from_port":0,"to":"nm_postprocess","to_port":0},{"from":"nm_postprocess","from_port":0,"to":"gen_outputs","to_port":0},{"from":"gen_inputs","from_port":0,"to":"buffer","to_port":0},{"from":"buffer","from_port":0,"to":"nm_convolution","to_port":0}],"label":"Normal Map","name":"normal_map","node_position":{"x":0,"y":0},"nodes":[{"mask":3,"name":"gen_inputs","node_position":{"x":-839.25,"y":177.25},"parameters":{"size":4},"ports":[{"name":"in","type":"rgba"}],"type":"ios"},{"mask":3,"name":"gen_outputs","node_position":{"x":-434.25,"y":318.25},"parameters":{"size":4},"ports":[{"name":"in","type":"rgba"}],"type":"ios"},{"convolution_params":{"input_type":"f","matrix":[[[-1,-1,0],[0,-2,0],[1,-1,0]],[[-2,0,0],0,[2,0,0]],[[-1,1,0],[0,2,0],[1,1,0]]],"output_type":"rgb","x":1,"y":1},"name":"nm_convolution","node_position":{"x":-669.25,"y":245.25},"parameters":{"size":5},"type":"shader"},{"name":"nm_postprocess","node_position":{"x":-678.25,"y":315.25},"parameters":{"amount":0.99,"size":5},"shader_model":{"global":"","inputs":[{"default":"vec3(0.0)","label":"","name":"in","type":"rgb"}],"instance":"","name":"NormalMapPostProcess","outputs":[{"rgb":"0.5*normalize($in($uv)*$amount*$size/128.0-vec3(0.0, 0.0, 1.0))+vec3(0.5)","type":"rgb"}],"parameters":[{"default":8,"first":4,"label":"","last":11,"name":"size","type":"size"},{"default":1,"label":"","max":2,"min":0,"name":"amount","step":0.005,"type":"float"}]},"type":"shader"},{"name":"buffer","node_position":{"x":-669.663818,"y":174.60614},"parameters":{"size":5},"type":"buffer"},{"name":"gen_parameters","node_position":{"x":-702.910156,"y":23.083313},"parameters":{"param0":5,"param1":0.99},"type":"remote","widgets":[{"label":"Unnamed","linked_widgets":[{"node":"buffer","widget":"size"},{"node":"nm_convolution","widget":"size"},{"node":"nm_postprocess","widget":"size"}],"type":"linked_control"},{"label":"Unnamed","linked_widgets":[{"node":"nm_postprocess","widget":"amount"}],"type":"linked_control"}]}],"parameters":{"amount":0.35,"param0":5,"param1":0.99,"size":4},"type":"graph"}
\ No newline at end of file
diff --git a/addons/material_maker/nodes/remote.gd b/addons/material_maker/nodes/remote.gd
index a85609a..42d6ebe 100644
--- a/addons/material_maker/nodes/remote.gd
+++ b/addons/material_maker/nodes/remote.gd
@@ -108,14 +108,12 @@ func _on_HBoxContainer_minimum_size_changed():
 	print("_on_HBoxContainer_minimum_size_changed "+str($HBoxContainer.rect_min_size))
 
 func on_parameter_changed(p, v):
-	print("remote.parameter_changed "+str(p)+" "+str(v))
 	if p == "":
 		update_node()
 	else:
 		.on_parameter_changed(p, v)
 
 func on_enter_widget(widget):
-	print("enter_widget "+widget.name)
 	var param_index = widget.name.trim_prefix("param").to_int()
 	var w = generator.widgets[param_index]
 	var new_links = []
diff --git a/addons/material_maker/widgets/gradient_editor.gd b/addons/material_maker/widgets/gradient_editor.gd
index 66a343f..1f1da1e 100644
--- a/addons/material_maker/widgets/gradient_editor.gd
+++ b/addons/material_maker/widgets/gradient_editor.gd
@@ -51,7 +51,6 @@ func _ready():
 	set_value(MMGradient.new())
 
 func set_value(v):
-	print("GradientEditor.set_value")
 	value = v
 	for c in get_children():
 		if c != $Gradient and c != $Background:
diff --git a/addons/material_maker/widgets/line_dialog.tscn b/addons/material_maker/widgets/line_dialog.tscn
index 758ef9a..7b597b4 100644
--- a/addons/material_maker/widgets/line_dialog.tscn
+++ b/addons/material_maker/widgets/line_dialog.tscn
@@ -3,154 +3,45 @@
 [ext_resource path="res://addons/material_maker/widgets/line_dialog.gd" type="Script" id=1]
 
 [node name="LineDialog" type="WindowDialog"]
-
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
 margin_right = 332.0
 margin_bottom = 72.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 0
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
-popup_exclusive = false
 window_title = "blah"
-resizable = false
 script = ExtResource( 1 )
 
-[node name="VBoxContainer" type="VBoxContainer" parent="." index="1"]
-
-anchor_left = 0.0
-anchor_top = 0.0
+[node name="VBoxContainer" type="VBoxContainer" parent="."]
 anchor_right = 1.0
 anchor_bottom = 1.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 1
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
-alignment = 0
 
-[node name="Label" type="Label" parent="VBoxContainer" index="0"]
-
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
+[node name="Label" type="Label" parent="VBoxContainer"]
 margin_right = 332.0
 margin_bottom = 14.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 2
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 4
 text = "blah"
-percent_visible = 1.0
-lines_skipped = 0
-max_lines_visible = -1
 
-[node name="LineEdit" type="LineEdit" parent="VBoxContainer" index="1"]
-
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
+[node name="LineEdit" type="LineEdit" parent="VBoxContainer"]
 margin_top = 18.0
 margin_right = 332.0
 margin_bottom = 42.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-focus_mode = 2
-mouse_filter = 0
-mouse_default_cursor_shape = 1
-size_flags_horizontal = 1
-size_flags_vertical = 1
-focus_mode = 2
-context_menu_enabled = true
-placeholder_alpha = 0.6
-caret_blink = false
-caret_blink_speed = 0.65
-caret_position = 0
 
-[node name="HBoxContainer" type="HBoxContainer" parent="VBoxContainer" index="2"]
-
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
+[node name="HBoxContainer" type="HBoxContainer" parent="VBoxContainer"]
 margin_left = 104.0
 margin_top = 46.0
 margin_right = 228.0
 margin_bottom = 66.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 1
-mouse_default_cursor_shape = 0
 size_flags_horizontal = 4
 size_flags_vertical = 0
-alignment = 0
-_sections_unfolded = [ "Size Flags" ]
 
-[node name="OK" type="Button" parent="VBoxContainer/HBoxContainer" index="0"]
-
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
+[node name="OK" type="Button" parent="VBoxContainer/HBoxContainer"]
 margin_right = 60.0
 margin_bottom = 20.0
 rect_min_size = Vector2( 60, 0 )
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-focus_mode = 2
-mouse_filter = 0
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
-toggle_mode = false
-enabled_focus_mode = 2
-shortcut = null
-group = null
 text = "OK"
-flat = false
-align = 1
-_sections_unfolded = [ "Rect" ]
 
-[node name="Cancel" type="Button" parent="VBoxContainer/HBoxContainer" index="1"]
-
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
+[node name="Cancel" type="Button" parent="VBoxContainer/HBoxContainer"]
 margin_left = 64.0
 margin_right = 124.0
 margin_bottom = 20.0
 rect_min_size = Vector2( 60, 0 )
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-focus_mode = 2
-mouse_filter = 0
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
-toggle_mode = false
-enabled_focus_mode = 2
-shortcut = null
-group = null
 text = "Cancel"
-flat = false
-align = 1
-_sections_unfolded = [ "Rect" ]
-
 [connection signal="text_entered" from="VBoxContainer/LineEdit" to="." method="_on_LineEdit_text_entered"]
-
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/OK" to="." method="_on_OK_pressed"]
-
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/Cancel" to="." method="queue_free"]
-
-
diff --git a/adjust_hsv.mmg b/adjust_hsv.mmg
new file mode 100644
index 0000000..c8bb5a2
--- /dev/null
+++ b/adjust_hsv.mmg
@@ -0,0 +1 @@
+{"name":"uniform","node_position":{"x":0,"y":0},"parameters":{"hue":0,"saturation":1,"value":1},"shader_model":{"global":"vec3 rgb_to_hsv(vec3 c) {\n\tvec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);\n\tvec4 p = c.g < c.b ? vec4(c.bg, K.wz) : vec4(c.gb, K.xy);\n\tvec4 q = c.r < p.x ? vec4(p.xyw, c.r) : vec4(c.r, p.yzx);\n\n\tfloat d = q.x - min(q.w, q.y);\n\tfloat e = 1.0e-10;\n\treturn vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);\n}\n\nvec3 hsv_to_rgb(vec3 c) {\n\tvec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);\n\tvec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);\n\treturn c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);\n}\n","inputs":[{"default":"vec4($uv.x, $uv.y, 0.0, 1.0)","label":"","name":"in","type":"rgba"}],"instance":"vec4 $(name)_f(vec4 c) {\n\tvec3 hsv = rgb_to_hsv(c.rgb);\n\treturn vec4(hsv_to_rgb(vec3(fract(hsv.x+$(hue)), clamp(hsv.y*$(saturation), 0.0, 1.0), clamp(hsv.z*$(value), 0.0, 1.0))), c.a);\n}","name":"AdjustHSV","outputs":[{"rgba":"$(name)_f($in($(uv)))"}],"parameters":[{"default":0,"label":"Hue","max":0.5,"min":-0.5,"name":"hue","step":0,"type":"float"},{"default":1,"label":"Saturation","max":2,"min":0,"name":"saturation","step":0,"type":"float"},{"default":1,"label":"Value","max":2,"min":0,"name":"value","step":0,"type":"float"}]}}
\ No newline at end of file
diff --git a/bricks.mmn b/bricks.mmn
new file mode 100644
index 0000000..2a22088
--- /dev/null
+++ b/bricks.mmn
@@ -0,0 +1 @@
+{"global":"\n\t\tvec3 brick(vec2 uv, vec2 bmin, vec2 bmax, float mortar, float bevel) {\n\t\t\tfloat color = 0.5;\n\t\t\tvec2 c1 = (uv-bmin-vec2(mortar))/bevel;\n\t\t\tvec2 c2 = (bmax-uv-vec2(mortar))/bevel;\n\t\t\tvec2 c = min(c1, c2);\n\t\t\tcolor = clamp(min(c.x, c.y), 0.0, 1.0);\n\t\t\treturn vec3(color, mod(bmin, vec2(1.0, 1.0)));\n\t\t}\n\n\t\tvec3 bricks_rb(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\t\t\tcount *= repeat;\n\t\t\tmortar /= max(count.x, count.y);\n\t\t\tbevel /= max(count.x, count.y);\n\t\t\tfloat x_offset = offset*step(0.5, fract(uv.y*count.y*0.5));\n\t\t\tvec2 bmin = floor(vec2(uv.x*count.x-x_offset, uv.y*count.y));\n\t\t\tbmin.x += x_offset;\n\t\t\tbmin /= count;\n\t\t\treturn brick(uv, bmin, bmin+vec2(1.0)/count, mortar, bevel);\n\t\t}\n\n\t\tvec3 bricks_rb2(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\t\t\tcount *= repeat;\n\t\t\tmortar /= max(2.0*count.x, count.y);\n\t\t\tbevel /= max(2.0*count.x, count.y);\n\t\t\tfloat x_offset = offset*step(0.5, fract(uv.y*count.y*0.5));\n\t\t\tcount.x = count.x*(1.0+step(0.5, fract(uv.y*count.y*0.5)));\n\t\t\tvec2 bmin = floor(vec2(uv.x*count.x-x_offset, uv.y*count.y));\n\t\t\tbmin.x += x_offset;\n\t\t\tbmin /= count;\n\t\t\treturn brick(uv, bmin, bmin+vec2(1.0)/count, mortar, bevel);\n\t\t}\n\n\t\tvec3 bricks_hb(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\t\t\tfloat pc = count.x+count.y;\n\t\t\tfloat c = pc*repeat;\n\t\t\tmortar /= c;\n\t\t\tbevel /= c;\n\t\t\tvec2 corner = floor(uv*c);\n\t\t\tfloat cdiff = mod(corner.x-corner.y, pc);\n\t\t\tif (cdiff < count.x) {\n\t\t\t\treturn brick(uv, (corner-vec2(cdiff, 0.0))/c, (corner-vec2(cdiff, 0.0)+vec2(count.x, 1.0))/c, mortar, bevel);\n\t\t\t} else {\n\t\t\t\treturn brick(uv, (corner-vec2(0.0, pc-cdiff-1.0))/c, (corner-vec2(0.0, pc-cdiff-1.0)+vec2(1.0, count.y))/c, mortar, bevel);\n\t\t\t}\n\t\t}\n\n\t\tvec3 bricks_bw(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\t\t\tvec2 c = 2.0*count*repeat;\n\t\t\tfloat mc = max(c.x, c.y);\n\t\t\tmortar /= mc;\n\t\t\tbevel /= mc;\n\t\t\tvec2 corner1 = floor(uv*c);\n\t\t\tvec2 corner2 = count*floor(repeat*2.0*uv);\n\t\t\tfloat cdiff = mod(dot(floor(repeat*2.0*uv), vec2(1.0)), 2.0);\n\t\t\tvec2 corner;\n\t\t\tvec2 size;\n\t\t\tif (cdiff == 0.0) {\n\t\t\t\tcorner = vec2(corner1.x, corner2.y);\n\t\t\t\tsize = vec2(1.0, count.y);\n\t\t\t} else {\n\t\t\t\tcorner = vec2(corner2.x, corner1.y);\n\t\t\t\tsize = vec2(count.x, 1.0);\n\t\t\t}\n\t\t\treturn brick(uv, corner/c, (corner+size)/c, mortar, bevel);\n\t\t}\n\n\t\tvec3 bricks_sb(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\t\t\tvec2 c = (count+vec2(1.0))*repeat;\n\t\t\tfloat mc = max(c.x, c.y);\n\t\t\tmortar /= mc;\n\t\t\tbevel /= mc;\n\t\t\tvec2 corner1 = floor(uv*c);\n\t\t\tvec2 corner2 = (count+vec2(1.0))*floor(repeat*uv);\n\t\t\tvec2 rcorner = corner1 - corner2;\n\t\t\tvec2 corner;\n\t\t\tvec2 size;\n\t\t\tif (rcorner.x == 0.0 && rcorner.y < count.y) {\n\t\t\t\tcorner = corner2;\n\t\t\t\tsize = vec2(1.0, count.y);\n\t\t\t} else if (rcorner.y == 0.0) {\n\t\t\t\tcorner = corner2+vec2(1.0, 0.0);\n\t\t\t\tsize = vec2(count.x, 1.0);\n\t\t\t} else if (rcorner.x == count.x) {\n\t\t\t\tcorner = corner2+vec2(count.x, 1.0);\n\t\t\t\tsize = vec2(1.0, count.y);\n\t\t\t} else if (rcorner.y == count.y) {\n\t\t\t\tcorner = corner2+vec2(0.0, count.y);\n\t\t\t\tsize = vec2(count.x, 1.0);\n\t\t\t} else {\n\t\t\t\tcorner = corner2+vec2(1.0);\n\t\t\t\tsize = vec2(count.x-1.0, count.y-1.0);\n\t\t\t}\n\t\t\treturn brick(uv, corner/c, (corner+size)/c, mortar, bevel);\n\t\t}","include":["noise"],"instance":"\n\t\tvec3 $(name)_xyz(vec2 uv) {\n\t\t\treturn bricks_$(pattern)(uv, vec2($(columns), $(rows)), $(repeat), $(row_offset), $(mortar), max(0.001, $(bevel)));\n\t\t}","name":"Bricks","outputs":[{"f":"$(name)_xyz($(uv)).x"},{"rgb":"rand3($(name)_xyz($(uv)).yz+vec2($(seed)))"}],"parameters":[{"label":"","name":"pattern","type":"enum","values":[{"name":"Running bond","value":"rb"},{"name":"Running bond (2)","value":"rb2"},{"name":"HerringBone","value":"hb"},{"name":"Basket weave","value":"bw"},{"name":"Spanish bond","value":"sb"}]},{"default":1,"label":"Repeat:","max":8,"min":1,"name":"repeat","step":1,"type":"float","widget":"spinbox"},{"default":6,"label":"Rows:","max":64,"min":1,"name":"rows","step":1,"type":"float","widget":"spinbox"},{"default":3,"label":"Columns:","max":64,"min":1,"name":"columns","step":1,"type":"float","widget":"spinbox"},{"default":0.5,"label":"Offset:","max":1,"min":0,"name":"row_offset","type":"float"},{"default":0.1,"label":"Mortar:","max":0.5,"min":0,"name":"mortar","type":"float"},{"default":0.1,"label":"Bevel:","max":0.5,"min":0,"name":"bevel","type":"float"}]}
\ No newline at end of file
diff --git a/combine.mmg b/combine.mmg
new file mode 100644
index 0000000..ce2a830
--- /dev/null
+++ b/combine.mmg
@@ -0,0 +1 @@
+{"name":"uniform","node_position":{"x":-253,"y":21},"parameters":{"color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"}},"shader_model":{"global":"","inputs":[{"default":"0.0","label":"R","name":"r","type":"f"},{"default":"0.0","label":"G","name":"g","type":"f"},{"default":"0.0","label":"B","name":"b","type":"f"},{"default":"1.0","label":"A","name":"a","type":"f"}],"instance":"","name":"Uniform","outputs":[{"rgba":"vec4($r($uv), $g($uv), $b($uv), $a($uv))"}],"parameters":[{"default":0,"label":"Label","max":0,"min":0,"name":"name","step":0,"type":"float"},{"default":0,"label":"Label","max":0,"min":0,"name":"name","step":0,"type":"float"},{"default":0,"label":"Label","max":0,"min":0,"name":"name","step":0,"type":"float"},{"default":0,"label":"Label","max":0,"min":0,"name":"name","step":0,"type":"float"}]}}
\ No newline at end of file
diff --git a/export_presets.cfg b/export_presets.cfg
index 5fbff90..5178d8a 100644
--- a/export_presets.cfg
+++ b/export_presets.cfg
@@ -5,10 +5,10 @@ platform="Windows Desktop"
 runnable=true
 custom_features=""
 export_filter="resources"
-export_files=PoolStringArray( "res://addons/material_maker/common.shader", "res://addons/material_maker/graph_edit.gd", "res://addons/material_maker/graph_edit.tscn", "res://addons/material_maker/icons/add.png", "res://addons/material_maker/icons/add_config.png", "res://addons/material_maker/icons/add_link.png", "res://addons/material_maker/icons/config.png", "res://addons/material_maker/icons/edit.png", "res://addons/material_maker/icons/icon.png", "res://addons/material_maker/icons/link.png", "res://addons/material_maker/icons/load.png", "res://addons/material_maker/icons/minus.png", "res://addons/material_maker/icons/plus.png", "res://addons/material_maker/icons/remove.png", "res://addons/material_maker/icons/save.png", "res://addons/material_maker/library.gd", "res://addons/material_maker/main_window.gd", "res://addons/material_maker/main_window.tscn", "res://addons/material_maker/node_base.gd", "res://addons/material_maker/node_factory.gd", "res://addons/material_maker/nodes/adjust_hsv.gd", "res://addons/material_maker/nodes/adjust_hsv.tscn", "res://addons/material_maker/nodes/adjust_hsv/adjust_hsv.gd", "res://addons/material_maker/nodes/adjust_hsv/adjust_hsv.tscn", "res://addons/material_maker/nodes/blend.gd", "res://addons/material_maker/nodes/blend.tscn", "res://addons/material_maker/nodes/blend/blend.gd", "res://addons/material_maker/nodes/blend/blend.tscn", "res://addons/material_maker/nodes/blur.gd", "res://addons/material_maker/nodes/blur.tscn", "res://addons/material_maker/nodes/blur/blur.gd", "res://addons/material_maker/nodes/blur/blur.tscn", "res://addons/material_maker/nodes/bricks.gd", "res://addons/material_maker/nodes/bricks.tscn", "res://addons/material_maker/nodes/bricks/bricks.gd", "res://addons/material_maker/nodes/bricks/bricks.tscn", "res://addons/material_maker/nodes/colorize.gd", "res://addons/material_maker/nodes/colorize.tscn", "res://addons/material_maker/nodes/colorize/colorize.gd", "res://addons/material_maker/nodes/colorize/colorize.tscn", "res://addons/material_maker/nodes/combine.gd", "res://addons/material_maker/nodes/combine.tscn", "res://addons/material_maker/nodes/combine/combine.gd", "res://addons/material_maker/nodes/combine/combine.tscn", "res://addons/material_maker/nodes/comment.gd", "res://addons/material_maker/nodes/comment.tscn", "res://addons/material_maker/nodes/comment/comment.gd", "res://addons/material_maker/nodes/comment/comment.tscn", "res://addons/material_maker/nodes/compound.tscn", "res://addons/material_maker/nodes/custom/custom.gd", "res://addons/material_maker/nodes/custom/custom.tscn", "res://addons/material_maker/nodes/decompose.gd", "res://addons/material_maker/nodes/decompose.tscn", "res://addons/material_maker/nodes/decompose/decompose.gd", "res://addons/material_maker/nodes/decompose/decompose.tscn", "res://addons/material_maker/nodes/emboss.gd", "res://addons/material_maker/nodes/emboss.tscn", "res://addons/material_maker/nodes/emboss/emboss.gd", "res://addons/material_maker/nodes/emboss/emboss.tscn", "res://addons/material_maker/nodes/export.gd", "res://addons/material_maker/nodes/export.tscn", "res://addons/material_maker/nodes/export/export.gd", "res://addons/material_maker/nodes/export/export.tscn", "res://addons/material_maker/nodes/godot_logo.png", "res://addons/material_maker/nodes/image.gd", "res://addons/material_maker/nodes/image.tscn", "res://addons/material_maker/nodes/image/godot_logo.png", "res://addons/material_maker/nodes/image/image.gd", "res://addons/material_maker/nodes/image/image.tscn", "res://addons/material_maker/nodes/material.gd", "res://addons/material_maker/nodes/material.tscn", "res://addons/material_maker/nodes/material/material.gd", "res://addons/material_maker/nodes/material/material.tscn", "res://addons/material_maker/nodes/node_generic.gd", "res://addons/material_maker/nodes/noise.gd", "res://addons/material_maker/nodes/noise.tscn", "res://addons/material_maker/nodes/noise/noise.gd", "res://addons/material_maker/nodes/noise/noise.tscn", "res://addons/material_maker/nodes/normal_map.gd", "res://addons/material_maker/nodes/normal_map.tscn", "res://addons/material_maker/nodes/normal_map/normal_map.gd", "res://addons/material_maker/nodes/normal_map/normal_map.tscn", "res://addons/material_maker/nodes/pattern.gd", "res://addons/material_maker/nodes/pattern.tscn", "res://addons/material_maker/nodes/pattern/pattern.gd", "res://addons/material_maker/nodes/pattern/pattern.tscn", "res://addons/material_maker/nodes/perlin.gd", "res://addons/material_maker/nodes/perlin.tscn", "res://addons/material_maker/nodes/perlin/perlin.gd", "res://addons/material_maker/nodes/perlin/perlin.tscn", "res://addons/material_maker/nodes/remote.gd", "res://addons/material_maker/nodes/remote.tscn", "res://addons/material_maker/nodes/remote/remote.gd", "res://addons/material_maker/nodes/remote/remote.tscn", "res://addons/material_maker/nodes/shape/shape.gd", "res://addons/material_maker/nodes/shape/shape.tscn", "res://addons/material_maker/nodes/switch.gd", "res://addons/material_maker/nodes/switch.tscn", "res://addons/material_maker/nodes/switch/switch.gd", "res://addons/material_maker/nodes/switch/switch.tscn", "res://addons/material_maker/nodes/transform.gd", "res://addons/material_maker/nodes/transform.tscn", "res://addons/material_maker/nodes/transform/transform.gd", "res://addons/material_maker/nodes/transform/transform.tscn", "res://addons/material_maker/nodes/uniform.gd", "res://addons/material_maker/nodes/uniform.tscn", "res://addons/material_maker/nodes/uniform/uniform.gd", "res://addons/material_maker/nodes/uniform/uniform.tscn", "res://addons/material_maker/nodes/voronoi.gd", "res://addons/material_maker/nodes/voronoi.tscn", "res://addons/material_maker/nodes/voronoi/voronoi.gd", "res://addons/material_maker/nodes/voronoi/voronoi.tscn", "res://addons/material_maker/nodes/warp.gd", "res://addons/material_maker/nodes/warp.tscn", "res://addons/material_maker/nodes/warp/warp.gd", "res://addons/material_maker/nodes/warp/warp.tscn", "res://addons/material_maker/panoramas/experiment.hdr", "res://addons/material_maker/panoramas/lobby.hdr", "res://addons/material_maker/panoramas/night.hdr", "res://addons/material_maker/panoramas/park.hdr", "res://addons/material_maker/panoramas/schelde.hdr", "res://addons/material_maker/pm_editor.gd", "res://addons/material_maker/pm_editor.tscn", "res://addons/material_maker/preview.gd", "res://addons/material_maker/preview.tscn", "res://addons/material_maker/renderer.gd", "res://addons/material_maker/renderer.tscn", "res://addons/material_maker/types/gradient.gd", "res://addons/material_maker/types/types.gd", "res://addons/material_maker/widgets/about.gd", "res://addons/material_maker/widgets/about.tscn", "res://addons/material_maker/widgets/facebook.png", "res://addons/material_maker/widgets/github.png", "res://addons/material_maker/widgets/gradient_editor.gd", "res://addons/material_maker/widgets/gradient_editor.tscn", "res://addons/material_maker/widgets/icon.png", "res://addons/material_maker/widgets/line_dialog.gd", "res://addons/material_maker/widgets/line_dialog.tscn", "res://addons/material_maker/widgets/linked_widgets/config_control.gd", "res://addons/material_maker/widgets/linked_widgets/config_control.tscn", "res://addons/material_maker/widgets/linked_widgets/editable_label.gd", "res://addons/material_maker/widgets/linked_widgets/editable_label.tscn", "res://addons/material_maker/widgets/linked_widgets/link.gd", "res://addons/material_maker/widgets/linked_widgets/linked_control.gd", "res://addons/material_maker/widgets/linked_widgets/linked_control.tscn", "res://addons/material_maker/widgets/linked_widgets/linked_control_base.gd", "res://addons/material_maker/widgets/linked_widgets/linked_control_buttons.gd", "res://addons/material_maker/widgets/linked_widgets/linked_control_buttons.tscn", "res://addons/material_maker/widgets/node_editor.tscn", "res://addons/material_maker/widgets/node_editor/enum_editor.gd", "res://addons/material_maker/widgets/node_editor/enum_editor.tscn", "res://addons/material_maker/widgets/node_editor/input.gd", "res://addons/material_maker/widgets/node_editor/input.tscn", "res://addons/material_maker/widgets/node_editor/node_editor.gd", "res://addons/material_maker/widgets/node_editor/node_editor.tscn", "res://addons/material_maker/widgets/node_editor/output.gd", "res://addons/material_maker/widgets/node_editor/output.tscn", "res://addons/material_maker/widgets/node_editor/parameter.gd", "res://addons/material_maker/widgets/node_editor/parameter.tscn", "res://addons/material_maker/widgets/node_editor/parameter_boolean.gd", "res://addons/material_maker/widgets/node_editor/parameter_boolean.tscn", "res://addons/material_maker/widgets/node_editor/parameter_color.gd", "res://addons/material_maker/widgets/node_editor/parameter_color.tscn", "res://addons/material_maker/widgets/node_editor/parameter_enum.gd", "res://addons/material_maker/widgets/node_editor/parameter_enum.tscn", "res://addons/material_maker/widgets/node_editor/parameter_float.gd", "res://addons/material_maker/widgets/node_editor/parameter_float.tscn", "res://addons/material_maker/widgets/node_editor/parameter_size.gd", "res://addons/material_maker/widgets/node_editor/parameter_size.tscn", "res://addons/material_maker/widgets/tabs.gd", "res://addons/material_maker/widgets/text_dialog.gd", "res://addons/material_maker/widgets/text_dialog.tscn", "res://addons/material_maker/widgets/twitter.png", "res://addons/material_maker/widgets/youtube.png", "res://addons/material_maker/window_dialog.tscn", "res://icon.png" )
+export_files=PoolStringArray( "res://addons/material_maker/common.shader", "res://addons/material_maker/engine/gen_base.gd", "res://addons/material_maker/engine/gen_buffer.gd", "res://addons/material_maker/engine/gen_context.gd", "res://addons/material_maker/engine/gen_convolution.gd", "res://addons/material_maker/engine/gen_graph.gd", "res://addons/material_maker/engine/gen_image.gd", "res://addons/material_maker/engine/gen_ios.gd", "res://addons/material_maker/engine/gen_material.gd", "res://addons/material_maker/engine/gen_remote.gd", "res://addons/material_maker/engine/gen_shader.gd", "res://addons/material_maker/engine/gen_switch.gd", "res://addons/material_maker/engine/gen_texture.gd", "res://addons/material_maker/engine/loader.gd", "res://addons/material_maker/engine/renderer.gd", "res://addons/material_maker/engine/renderer.tscn", "res://addons/material_maker/graph_edit.gd", "res://addons/material_maker/graph_edit.tscn", "res://addons/material_maker/icons/add.png", "res://addons/material_maker/icons/add_config.png", "res://addons/material_maker/icons/add_link.png", "res://addons/material_maker/icons/config.png", "res://addons/material_maker/icons/edit.png", "res://addons/material_maker/icons/icon.png", "res://addons/material_maker/icons/link.png", "res://addons/material_maker/icons/load.png", "res://addons/material_maker/icons/minus.png", "res://addons/material_maker/icons/plus.png", "res://addons/material_maker/icons/remove.png", "res://addons/material_maker/icons/save.png", "res://addons/material_maker/library.gd", "res://addons/material_maker/main_window.gd", "res://addons/material_maker/main_window.tscn", "res://addons/material_maker/models/Material.material", "res://addons/material_maker/new.ptex", "res://addons/material_maker/node_base.gd", "res://addons/material_maker/node_factory.gd", "res://addons/material_maker/nodes/adjust_hsv.gd", "res://addons/material_maker/nodes/adjust_hsv.tscn", "res://addons/material_maker/nodes/adjust_hsv/adjust_hsv.gd", "res://addons/material_maker/nodes/adjust_hsv/adjust_hsv.tscn", "res://addons/material_maker/nodes/blend.gd", "res://addons/material_maker/nodes/blend.tscn", "res://addons/material_maker/nodes/blend/blend.gd", "res://addons/material_maker/nodes/blend/blend.tscn", "res://addons/material_maker/nodes/blur.gd", "res://addons/material_maker/nodes/blur.tscn", "res://addons/material_maker/nodes/blur/blur.gd", "res://addons/material_maker/nodes/blur/blur.tscn", "res://addons/material_maker/nodes/bricks.gd", "res://addons/material_maker/nodes/bricks.tscn", "res://addons/material_maker/nodes/bricks/bricks.gd", "res://addons/material_maker/nodes/bricks/bricks.tscn", "res://addons/material_maker/nodes/colorize.gd", "res://addons/material_maker/nodes/colorize.tscn", "res://addons/material_maker/nodes/colorize/colorize.gd", "res://addons/material_maker/nodes/colorize/colorize.tscn", "res://addons/material_maker/nodes/combine.gd", "res://addons/material_maker/nodes/combine.tscn", "res://addons/material_maker/nodes/combine/combine.gd", "res://addons/material_maker/nodes/combine/combine.tscn", "res://addons/material_maker/nodes/comment.gd", "res://addons/material_maker/nodes/comment.tscn", "res://addons/material_maker/nodes/comment/comment.gd", "res://addons/material_maker/nodes/comment/comment.tscn", "res://addons/material_maker/nodes/compound.tscn", "res://addons/material_maker/nodes/custom.gd", "res://addons/material_maker/nodes/custom.tscn", "res://addons/material_maker/nodes/custom/custom.gd", "res://addons/material_maker/nodes/custom/custom.tscn", "res://addons/material_maker/nodes/decompose.gd", "res://addons/material_maker/nodes/decompose.tscn", "res://addons/material_maker/nodes/decompose/decompose.gd", "res://addons/material_maker/nodes/decompose/decompose.tscn", "res://addons/material_maker/nodes/edit_buttons.gd", "res://addons/material_maker/nodes/edit_buttons.tscn", "res://addons/material_maker/nodes/emboss.gd", "res://addons/material_maker/nodes/emboss.tscn", "res://addons/material_maker/nodes/emboss/emboss.gd", "res://addons/material_maker/nodes/emboss/emboss.tscn", "res://addons/material_maker/nodes/export.gd", "res://addons/material_maker/nodes/export.tscn", "res://addons/material_maker/nodes/export/export.gd", "res://addons/material_maker/nodes/export/export.tscn", "res://addons/material_maker/nodes/generic.gd", "res://addons/material_maker/nodes/generic.tscn", "res://addons/material_maker/nodes/godot_logo.png", "res://addons/material_maker/nodes/image.gd", "res://addons/material_maker/nodes/image.tscn", "res://addons/material_maker/nodes/image/godot_logo.png", "res://addons/material_maker/nodes/image/image.gd", "res://addons/material_maker/nodes/image/image.tscn", "res://addons/material_maker/nodes/material.gd", "res://addons/material_maker/nodes/material.tscn", "res://addons/material_maker/nodes/material/material.gd", "res://addons/material_maker/nodes/material/material.tscn", "res://addons/material_maker/nodes/node_generic.gd", "res://addons/material_maker/nodes/noise.gd", "res://addons/material_maker/nodes/noise.tscn", "res://addons/material_maker/nodes/noise/noise.gd", "res://addons/material_maker/nodes/noise/noise.tscn", "res://addons/material_maker/nodes/normal_map.gd", "res://addons/material_maker/nodes/normal_map.tscn", "res://addons/material_maker/nodes/normal_map/normal_map.gd", "res://addons/material_maker/nodes/normal_map/normal_map.tscn", "res://addons/material_maker/nodes/pattern.gd", "res://addons/material_maker/nodes/pattern.tscn", "res://addons/material_maker/nodes/pattern/pattern.gd", "res://addons/material_maker/nodes/pattern/pattern.tscn", "res://addons/material_maker/nodes/perlin.gd", "res://addons/material_maker/nodes/perlin.tscn", "res://addons/material_maker/nodes/perlin/perlin.gd", "res://addons/material_maker/nodes/perlin/perlin.tscn", "res://addons/material_maker/nodes/remote.gd", "res://addons/material_maker/nodes/remote.tscn", "res://addons/material_maker/nodes/remote/remote.gd", "res://addons/material_maker/nodes/remote/remote.tscn", "res://addons/material_maker/nodes/shape/shape.gd", "res://addons/material_maker/nodes/shape/shape.tscn", "res://addons/material_maker/nodes/switch.gd", "res://addons/material_maker/nodes/switch.tscn", "res://addons/material_maker/nodes/switch/switch.gd", "res://addons/material_maker/nodes/switch/switch.tscn", "res://addons/material_maker/nodes/transform.gd", "res://addons/material_maker/nodes/transform.tscn", "res://addons/material_maker/nodes/transform/transform.gd", "res://addons/material_maker/nodes/transform/transform.tscn", "res://addons/material_maker/nodes/uniform.gd", "res://addons/material_maker/nodes/uniform.tscn", "res://addons/material_maker/nodes/uniform/uniform.gd", "res://addons/material_maker/nodes/uniform/uniform.tscn", "res://addons/material_maker/nodes/voronoi.gd", "res://addons/material_maker/nodes/voronoi.tscn", "res://addons/material_maker/nodes/voronoi/voronoi.gd", "res://addons/material_maker/nodes/voronoi/voronoi.tscn", "res://addons/material_maker/nodes/warp.gd", "res://addons/material_maker/nodes/warp.tscn", "res://addons/material_maker/nodes/warp/warp.gd", "res://addons/material_maker/nodes/warp/warp.tscn", "res://addons/material_maker/panoramas/experiment.hdr", "res://addons/material_maker/panoramas/lobby.hdr", "res://addons/material_maker/panoramas/night.hdr", "res://addons/material_maker/panoramas/park.hdr", "res://addons/material_maker/panoramas/schelde.hdr", "res://addons/material_maker/plugin.gd", "res://addons/material_maker/pm_editor.gd", "res://addons/material_maker/pm_editor.tscn", "res://addons/material_maker/preview.gd", "res://addons/material_maker/preview.tscn", "res://addons/material_maker/renderer.gd", "res://addons/material_maker/renderer.tscn", "res://addons/material_maker/types/gradient.gd", "res://addons/material_maker/types/types.gd", "res://addons/material_maker/widgets/about.gd", "res://addons/material_maker/widgets/about.tscn", "res://addons/material_maker/widgets/facebook.png", "res://addons/material_maker/widgets/github.png", "res://addons/material_maker/widgets/gradient_editor.gd", "res://addons/material_maker/widgets/gradient_editor.tscn", "res://addons/material_maker/widgets/icon.png", "res://addons/material_maker/widgets/line_dialog.gd", "res://addons/material_maker/widgets/line_dialog.tscn", "res://addons/material_maker/widgets/linked_widgets/config_control.gd", "res://addons/material_maker/widgets/linked_widgets/config_control.tscn", "res://addons/material_maker/widgets/linked_widgets/editable_label.gd", "res://addons/material_maker/widgets/linked_widgets/editable_label.tscn", "res://addons/material_maker/widgets/linked_widgets/link.gd", "res://addons/material_maker/widgets/linked_widgets/linked_control.gd", "res://addons/material_maker/widgets/linked_widgets/linked_control.tscn", "res://addons/material_maker/widgets/linked_widgets/linked_control_base.gd", "res://addons/material_maker/widgets/linked_widgets/linked_control_buttons.gd", "res://addons/material_maker/widgets/linked_widgets/linked_control_buttons.tscn", "res://addons/material_maker/widgets/node_editor.tscn", "res://addons/material_maker/widgets/node_editor/enum_editor.gd", "res://addons/material_maker/widgets/node_editor/enum_editor.tscn", "res://addons/material_maker/widgets/node_editor/input.gd", "res://addons/material_maker/widgets/node_editor/input.tscn", "res://addons/material_maker/widgets/node_editor/node_editor.gd", "res://addons/material_maker/widgets/node_editor/node_editor.tscn", "res://addons/material_maker/widgets/node_editor/output.gd", "res://addons/material_maker/widgets/node_editor/output.tscn", "res://addons/material_maker/widgets/node_editor/parameter.gd", "res://addons/material_maker/widgets/node_editor/parameter.tscn", "res://addons/material_maker/widgets/node_editor/parameter_boolean.gd", "res://addons/material_maker/widgets/node_editor/parameter_boolean.tscn", "res://addons/material_maker/widgets/node_editor/parameter_color.gd", "res://addons/material_maker/widgets/node_editor/parameter_color.tscn", "res://addons/material_maker/widgets/node_editor/parameter_enum.gd", "res://addons/material_maker/widgets/node_editor/parameter_enum.tscn", "res://addons/material_maker/widgets/node_editor/parameter_float.gd", "res://addons/material_maker/widgets/node_editor/parameter_float.tscn", "res://addons/material_maker/widgets/node_editor/parameter_gradient.gd", "res://addons/material_maker/widgets/node_editor/parameter_gradient.tscn", "res://addons/material_maker/widgets/node_editor/parameter_size.gd", "res://addons/material_maker/widgets/node_editor/parameter_size.tscn", "res://addons/material_maker/widgets/tabs.gd", "res://addons/material_maker/widgets/text_dialog.gd", "res://addons/material_maker/widgets/text_dialog.tscn", "res://addons/material_maker/widgets/twitter.png", "res://addons/material_maker/widgets/youtube.png", "res://addons/material_maker/window_dialog.tscn", "res://icon.png" )
 include_filter="*.json,*.mmn,res://addons/material_maker/library/base/*.png"
 exclude_filter="*.ptex"
-export_path="D:/Dev/material_maker.exe"
+export_path="D:/Dev/Releases/material_maker_0.7_windows/material_maker.exe"
 patch_list=PoolStringArray(  )
 script_export_mode=1
 script_encryption_key=""
@@ -23,7 +23,7 @@ texture_format/no_bptc_fallbacks=true
 binary_format/64_bits=true
 custom_template/release=""
 custom_template/debug=""
-application/icon="D:/Dev/Godot/godot-procedural-textures/icon.ico"
+application/icon="res://icon.ico"
 application/file_version=""
 application/product_version=""
 application/company_name=""
diff --git a/noise.mmn b/noise.mmn
new file mode 100644
index 0000000..59a96f7
--- /dev/null
+++ b/noise.mmn
@@ -0,0 +1 @@
+{"global":"\n\t\tfloat rand(vec2 x) {\n\t\t\treturn fract(cos(dot(x, vec2(13.9898, 8.141))) * 43758.5453);\n\t\t}\n\t\tvec2 rand2(vec2 x) {\n\t\t\treturn fract(cos(vec2(dot(x, vec2(13.9898, 8.141)),\n\t\t\t\t\t\t\t\t  dot(x, vec2(3.4562, 17.398)))) * 43758.5453);\n\t\t}\n\t\tvec3 rand3(vec2 x) {\n\t\t\treturn fract(cos(vec3(dot(x, vec2(13.9898, 8.141)),\n\t\t\t\t\t\t\t\t  dot(x, vec2(3.4562, 17.398)),\n\t\t\t\t\t\t\t\t  dot(x, vec2(13.254, 5.867)))) * 43758.5453);\n\t\t}","instance":"\n\t\tfloat $(name)_f(vec2 uv) {\n\t\t\treturn dots(uv, 1.0/$(size), $(density), $(seed));\n\t\t}","name":"Noise","outputs":[{"f":"$(name)_f($(uv))"}],"parameters":[{"default":8,"first":2,"label":"Grid Size:","last":12,"name":"size","type":"size"},{"label":"Density:","max":1,"min":0,"name":"density","type":"float"}]}
\ No newline at end of file
diff --git a/normal_map.ptex b/normal_map.ptex
new file mode 100644
index 0000000..c95410a
--- /dev/null
+++ b/normal_map.ptex
@@ -0,0 +1 @@
+{"connections":[{"from":"pattern","from_port":0,"to":"normal_map","to_port":0}],"label":"Graph","name":"@@39","node_position":{"x":0,"y":0},"nodes":[{"name":"Material","node_position":{"x":247,"y":-12},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"emission_energy":1,"metallic":1,"roughness":1},"type":"material"},{"name":"pattern","node_position":{"x":-338.5,"y":38.5},"parameters":{"mix":0,"x_scale":4,"x_wave":0,"y_scale":4,"y_wave":0},"type":"pattern"},{"name":"normal_map","node_position":{"x":-9.5,"y":69.5},"parameters":{"amount":0.5},"type":"normal_map"}],"parameters":{},"type":"graph"}
\ No newline at end of file
diff --git a/remote_test.ptex b/remote_test.ptex
new file mode 100644
index 0000000..6a4208c
--- /dev/null
+++ b/remote_test.ptex
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/shape_tests.ptex b/shape_tests.ptex
new file mode 100644
index 0000000..217c307
--- /dev/null
+++ b/shape_tests.ptex
@@ -0,0 +1 @@
+{"connections":[{"from":"shape","from_port":0,"to":"_2","to_port":0},{"from":"shape","from_port":0,"to":"_2_3","to_port":0},{"from":"blend","from_port":0,"to":"_2_3_2","to_port":0},{"from":"_2_3","from_port":0,"to":"transform","to_port":0},{"from":"_2_2","from_port":0,"to":"transform_2","to_port":0},{"from":"transform","from_port":0,"to":"blend","to_port":0},{"from":"transform_2","from_port":0,"to":"blend","to_port":1},{"from":"_2_4","from_port":0,"to":"transform_2_2","to_port":0},{"from":"transform_2_2","from_port":0,"to":"blend_2","to_port":1},{"from":"_2","from_port":0,"to":"blend_2","to_port":0},{"from":"blend_2","from_port":0,"to":"_2_2","to_port":0},{"from":"shape_2","from_port":0,"to":"_2_4","to_port":0},{"from":"_2_3_2","from_port":0,"to":"Material","to_port":0}],"name":"39","node_position":{"x":0,"y":0},"nodes":[{"name":"Material","node_position":{"x":-65,"y":70},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"emission_energy":1,"metallic":1,"roughness":1},"type":"[SpatialMaterial:2557]"},{"name":"_2","node_position":{"x":-566,"y":-104},"parameters":{"direction":1,"offset":0.618148},"shader_model":{"global":"vec2 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\ No newline at end of file
diff --git a/test.mmn b/test.mmn
new file mode 100644
index 0000000..debcb5c
--- /dev/null
+++ b/test.mmn
@@ -0,0 +1 @@
+{"global":"","instance":"","name":"Test","outputs":[{"f":"abs($(uv).x+$(uv).y-1.0)"}],"parameters":[]}
\ No newline at end of file
diff --git a/test.png b/test.png
index 8571f28..40c83a7 100644
Binary files a/test.png and b/test.png differ
diff --git a/test.ptex b/test.ptex
index b6fd2ef..597e86d 100644
--- a/test.ptex
+++ b/test.ptex
@@ -1,158 +1 @@
-{
-  "connections": [
-    {
-      "from": "bricks_0",
-      "from_port": 0,
-      "to": "custom_0",
-      "to_port": 0
-    },
-    {
-      "from": "custom_0",
-      "from_port": 0,
-      "to": "adjust_hsv_0",
-      "to_port": 0
-    },
-    {
-      "from": "adjust_hsv_0",
-      "from_port": 0,
-      "to": "Material",
-      "to_port": 0
-    }
-  ],
-  "nodes": [
-    {
-      "name": "Material",
-      "node_position": {
-        "x": 143,
-        "y": -210
-      },
-      "parameters": {
-        "albedo_color": {
-          "a": 1,
-          "b": 1,
-          "g": 1,
-          "r": 1,
-          "type": "Color"
-        },
-        "ao_light_affect": 1,
-        "depth_scale": 1,
-        "emission_energy": 1,
-        "metallic": 1,
-        "normal_scale": 1,
-        "resolution": 1,
-        "roughness": 1
-      },
-      "type": "material"
-    },
-    {
-      "shader_model": {
-        "global": "",
-        "inputs": [
-          {
-            "default": "0.0",
-            "label": "Input",
-            "name": "input",
-            "type": "f"
-          }
-        ],
-        "instance": "",
-        "name": "Colorize",
-        "outputs": [
-          {
-            "rgba": "$gradient($input($uv))"
-          }
-        ],
-        "parameters": [
-          {
-            "default": {
-              "points": [
-                {
-                  "a": 1,
-                  "b": 0,
-                  "g": 0,
-                  "pos": 0,
-                  "r": 0
-                },
-                {
-                  "a": 1,
-                  "b": 1,
-                  "g": 1,
-                  "pos": 1,
-                  "r": 1
-                }
-              ],
-              "type": "Gradient"
-            },
-            "label": "Gradient",
-            "name": "gradient",
-            "type": "gradient"
-          }
-        ]
-      },
-      "name": "custom_0",
-      "node_position": {
-        "x": -433,
-        "y": -109.416656
-      },
-      "parameters": {
-        "gradient": {
-          "points": [
-            {
-              "a": 1,
-              "b": 0,
-              "g": 0,
-              "pos": 0,
-              "r": 0
-            },
-            {
-              "a": 1,
-              "b": 0,
-              "g": 0,
-              "pos": 0.517045,
-              "r": 1
-            },
-            {
-              "a": 0,
-              "b": 1,
-              "g": 1,
-              "pos": 1,
-              "r": 1
-            }
-          ],
-          "type": "Gradient"
-        }
-      },
-      "type": "custom"
-    },
-    {
-      "name": "adjust_hsv_0",
-      "node_position": {
-        "x": -135.541687,
-        "y": -150.597229
-      },
-      "parameters": {
-        "hue": 0,
-        "saturation": 1,
-        "value": 1
-      },
-      "type": "adjust_hsv"
-    },
-    {
-      "name": "bricks_0",
-      "node_position": {
-        "x": -599,
-        "y": -332
-      },
-      "parameters": {
-        "bevel": 0.209961,
-        "columns": 3,
-        "mortar": 0.116211,
-        "pattern": 0,
-        "repeat": 1,
-        "row_offset": 0.5,
-        "rows": 6
-      },
-      "type": "bricks"
-    }
-  ]
-}
\ No newline at end of file
+{"connections":[{"from":"bricks_0","from_port":0,"to":"custom_0","to_port":0},{"from":"custom_0","from_port":0,"to":"adjust_hsv_0","to_port":0},{"from":"adjust_hsv_0","from_port":0,"to":"Material","to_port":0}],"name":"@@72","node_position":{"x":0,"y":0},"nodes":[{"name":"Material","node_position":{"x":143,"y":-210},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"custom_0","node_position":{"x":-402,"y":-106.416656},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":0},{"a":1,"b":0,"g":0,"pos":0.517045,"r":1},{"a":0,"b":1,"g":1,"pos":1,"r":1}],"type":"Gradient"}},"shader_model":{"global":"","inputs":[{"default":"0.0","label":"Input","name":"input","type":"f"}],"instance":"","name":"Colorize","outputs":[{"rgba":"$gradient($input($uv))","type":"rgba"}],"parameters":[{"default":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":0},{"a":1,"b":1,"g":1,"pos":1,"r":1}],"type":"Gradient"},"label":"Gradient","name":"gradient","type":"gradient"}]}},{"name":"adjust_hsv_0","node_position":{"x":-135.541687,"y":-150.597229},"parameters":{"hue":0.293457,"saturation":1,"value":1},"type":"adjust_hsv"},{"name":"bricks_0","node_position":{"x":-599,"y":-332},"parameters":{"bevel":0.209961,"columns":3,"mortar":0.116211,"pattern":0,"repeat":1,"row_offset":0.5,"rows":6},"type":"bricks"}],"parameters":{}}
\ No newline at end of file
diff --git a/test2.ptex b/test2.ptex
new file mode 100644
index 0000000..9499ab7
--- /dev/null
+++ b/test2.ptex
@@ -0,0 +1 @@
+{"connections":[{"from":"pattern","from_port":0,"to":"buffer","to_port":0},{"from":"buffer","from_port":0,"to":"Material","to_port":0}],"name":"@@39","node_position":{"x":0,"y":0},"nodes":[{"name":"Material","node_position":{"x":0,"y":0},"parameters":{},"type":"material"},{"name":"pattern","node_position":{"x":-282,"y":23},"parameters":{"mix":0,"x_scale":4,"x_wave":0,"y_scale":4,"y_wave":0},"type":"pattern"},{"name":"buffer","node_position":{"x":-7,"y":29},"parameters":{"size":1},"type":"buffer"}],"parameters":{}}
\ No newline at end of file
diff --git a/test2.tres b/test2.tres
new file mode 100644
index 0000000..b8ff501
--- /dev/null
+++ b/test2.tres
@@ -0,0 +1,10 @@
+[gd_resource type="SpatialMaterial" load_steps=2 format=2]
+
+[ext_resource path="res://test2_albedo.png" type="Texture" id=1]
+
+[resource]
+
+albedo_texture = ExtResource( 1 )
+metallic = 1.0
+roughness_texture_channel = 1
+
diff --git a/test2_albedo.png b/test2_albedo.png
new file mode 100644
index 0000000..f7f0636
Binary files /dev/null and b/test2_albedo.png differ
diff --git a/test3.ptex b/test3.ptex
new file mode 100644
index 0000000..e0ee4cf
--- /dev/null
+++ b/test3.ptex
@@ -0,0 +1 @@
+{"connections":[{"from":"pattern_0","from_port":0,"to":"Material","to_port":0},{"from":"pattern_0","from_port":0,"to":"Material","to_port":3}],"nodes":[{"name":"Material","node_position":{"x":158,"y":-147},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":0,"roughness":1},"type":"material"},{"name":"pattern_0","node_position":{"x":-204,"y":-94},"parameters":{"mix":2,"x_scale":4,"x_wave":0,"y_scale":4,"y_wave":0},"type":"pattern"}]}
\ No newline at end of file
diff --git a/test4.ptex b/test4.ptex
new file mode 100644
index 0000000..21e6be7
--- /dev/null
+++ b/test4.ptex
@@ -0,0 +1 @@
+{"connections":[{"from":"uniform_0","from_port":0,"to":"adjust_hsv_0","to_port":0},{"from":"uniform_0","from_port":0,"to":"custom_0","to_port":0}],"nodes":[{"name":"Material","node_position":{"x":511,"y":-49},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"uniform_0","node_position":{"x":-76,"y":71},"parameters":{"color":{"a":1,"b":0,"g":0,"r":1,"type":"Color"}},"type":"uniform"},{"model_data":{"global":"vec3 rgb_to_hsv(vec3 c) {\n\tvec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);\n\tvec4 p = c.g < c.b ? vec4(c.bg, K.wz) : vec4(c.gb, K.xy);\n\tvec4 q = c.r < p.x ? vec4(p.xyw, c.r) : vec4(c.r, p.yzx);\n\n\tfloat d = q.x - min(q.w, q.y);\n\tfloat e = 1.0e-10;\n\treturn vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);\n}\n\nvec3 hsv_to_rgb(vec3 c) {\n\tvec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);\n\tvec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);\n\treturn c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);\n}\n","inputs":[{"default":"vec3(1.0)","label":"","name":"in","type":"rgb"}],"instance":"vec3 $(name)_f(vec3 c) {\n\tvec3 hsv = rgb_to_hsv(c);\n\treturn hsv_to_rgb(vec3(fract(hsv.x+$(hue)), clamp(hsv.y*$(saturation), 0.0, 1.0), clamp(hsv.z*$(value), 0.0, 1.0)));\n}","name":"AdjustHSV","outputs":[{"rgb":"$(name)_f($in($(uv)))"}],"parameters":[{"default":0,"label":"Hue","max":0.5,"min":-0.5,"name":"hue","step":0,"type":"float"},{"default":1,"label":"Saturation","max":2,"min":0,"name":"saturation","step":0,"type":"float"},{"default":1,"label":"Value","max":2,"min":0,"name":"value","step":0,"type":"float"}]},"name":"custom_0","node_position":{"x":163,"y":105},"parameters":{"hue":0,"saturation":1,"value":1},"type":"custom"},{"name":"adjust_hsv_0","node_position":{"x":152,"y":18},"parameters":{"hue":0,"saturation":1,"value":1},"type":"adjust_hsv"}]}
\ No newline at end of file
diff --git a/test5.ptex b/test5.ptex
new file mode 100644
index 0000000..cd9c515
--- /dev/null
+++ b/test5.ptex
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/test_buffer.ptex b/test_buffer.ptex
new file mode 100644
index 0000000..dd44846
--- /dev/null
+++ b/test_buffer.ptex
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/test_material.ptex b/test_material.ptex
new file mode 100644
index 0000000..ad4a912
--- /dev/null
+++ b/test_material.ptex
@@ -0,0 +1 @@
+{"connections":[],"name":"@@39","node_position":{"x":0,"y":0},"nodes":[{"name":"Material","node_position":{"x":0,"y":0},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"emission_energy":1,"metallic":1,"roughness":1},"type":"material"}],"parameters":{},"type":"graph"}
\ No newline at end of file