Updated Godot integration

addons/material_maker/engine/gen_material.gd

@@ -174,7 +174,7 @@ func export_textures(prefix, editor_interface = null):
 		if texture != null:
 			var image = texture.get_data()
 			image.save_png("%s_%s.png" % [ prefix, t.texture ])
-	if Engine.editor_hint:
+	if Engine.editor_hint and editor_interface != null:
 		var resource_filesystem = editor_interface.get_resource_filesystem()
 		resource_filesystem.scan()
 		yield(resource_filesystem, "filesystem_changed")

addons/material_maker/graph_edit.gd

@@ -191,12 +191,12 @@ func save_file(filename):
 	set_save_path(filename)
 	set_need_save(false)
 
-func export_textures(size = null):
+func export_textures():
 	if save_path != null:
 		var prefix = save_path.left(save_path.rfind("."))
 		for c in get_children():
 			if c is GraphNode and c.generator.has_method("export_textures"):
-				c.generator.export_textures(prefix, size)
+				c.generator.export_textures(prefix, editor_interface)
 
 # Cut / copy / paste
 

addons/material_maker/import_plugin/ptex_import.gd

@@ -47,5 +47,6 @@ func import(source_file: String, save_path: String, options: Dictionary, platfor
 	var material = plugin.generate_material(source_file)
 	while material is GDScriptFunctionState:
 		material = yield(material, "completed")
-	ResourceSaver.save(filename, material)
+	if material != null:
+		ResourceSaver.save(filename, material)
 	return OK

addons/material_maker/library_tree.gd

@@ -1,3 +1,4 @@
+tool
 extends Tree
 
 func get_drag_data(position):

addons/material_maker/main_window.tscn

@@ -8,13 +8,13 @@
 [ext_resource path="res://addons/material_maker/engine/renderer.tscn" type="PackedScene" id=6]
 [ext_resource path="res://addons/material_maker/node_factory.gd" type="Script" id=7]
 
-[sub_resource type="PanoramaSky" id=6]
+[sub_resource type="PanoramaSky" id=1]
 resource_local_to_scene = true
 panorama = ExtResource( 4 )
 
-[sub_resource type="Environment" id=7]
+[sub_resource type="Environment" id=2]
 background_mode = 2
-background_sky = SubResource( 6 )
+background_sky = SubResource( 1 )
 
 [node name="MainWindow" type="Panel"]
 anchor_right = 1.0
@@ -107,7 +107,7 @@ render_target_update_mode = 0
 
 [node name="Camera" type="Camera" parent="VBoxContainer/HBoxContainer/ProjectsPane/BackgroundPreview/Viewport"]
 transform = Transform( 1, 0, 0, 0, 0.766044, 0.642788, 0, -0.642788, 0.766044, 0, 2.24976, 2.68115 )
-environment = SubResource( 7 )
+environment = SubResource( 2 )
 current = true
 
 [node name="Projects" type="Panel" parent="VBoxContainer/HBoxContainer/ProjectsPane"]

addons/material_maker/plugin.gd

@@ -8,11 +8,15 @@ var renderer = null
 
 func _enter_tree():
 	add_tool_menu_item("Material Maker", self, "open_material_maker")
-	importer = preload("res://addons/material_maker/import_plugin/ptex_import.gd").new(self)
+	add_tool_menu_item("Register Material Maker Import", self, "register_material_maker_import")
-	add_import_plugin(importer)
 	renderer = preload("res://addons/material_maker/engine/renderer.tscn").instance()
 	add_child(renderer)
 
+func register_material_maker_import(__):
+	importer = preload("res://addons/material_maker/import_plugin/ptex_import.gd").new(self)
+	add_import_plugin(importer)
+	remove_tool_menu_item("Register Material Maker Import")
+
 func _exit_tree():
 	remove_tool_menu_item("Material Maker")
 	if material_maker != null:
@@ -31,7 +35,7 @@ func _set_state(s):
 	mm_button = s.mm_button
 	material_maker = s.material_maker
 
-func open_material_maker(foo = null):
+func open_material_maker(__):
 	if material_maker == null:
 		material_maker = preload("res://addons/material_maker/window_dialog.tscn").instance()
 		var panel = material_maker.get_node("MainWindow")
@@ -51,10 +55,10 @@ func generate_material(ptex_filename: String) -> Material:
 	add_child(generator)
 	if generator.has_node("Material"):
 		var gen_material = generator.get_node("Material")
-		print(renderer)
+		if gen_material != null:
-		var return_value = gen_material.render_textures(renderer)
+			var return_value = gen_material.render_textures(renderer)
-		while return_value is GDScriptFunctionState:
+			while return_value is GDScriptFunctionState:
-			return_value = yield(return_value, "completed")
+				return_value = yield(return_value, "completed")
-		var prefix = ptex_filename.left(ptex_filename.rfind("."))
+			var prefix = ptex_filename.left(ptex_filename.rfind("."))
-		return gen_material.export_textures(prefix, get_editor_interface())
+			return gen_material.export_textures(prefix, get_editor_interface())
 	return null

addons/material_maker/preview.gd

@@ -38,7 +38,6 @@ func _ready():
 func _on_Environment_item_selected(id):
 	current_environment.visible = false
 	current_environment = environments.get_child(id)
-	print(current_environment.environment)
 	$MaterialPreview/Preview3d/CameraPivot/Camera.set_environment(current_environment.environment)
 	get_node("../../ProjectsPane/BackgroundPreview/Viewport/Camera").set_environment(current_environment.environment)
 	current_environment.visible = true
@@ -75,6 +74,7 @@ func _on_Background_toggled(button_pressed):
 func on_gui_input(event):
 	if event is InputEventMouseButton:
 		$MaterialPreview/Preview3d/ObjectRotate.stop(false)
+		$Config/Rotate.pressed = false
 		match event.button_index:
 			BUTTON_WHEEL_UP:
 				camera.translation.z *= 1.01 if event.shift else 1.1
@@ -96,9 +96,8 @@ func on_gui_input(event):
 			elif event.button_mask & BUTTON_MASK_RIGHT:
 				camera_stand.rotate(camera_basis.z.normalized(), -motion.x)
 
-
+func _on_Rotate_toggled(button_pressed):
-func _on_Rotate_pressed():
+	if button_pressed:
-	if $MaterialPreview/Preview3d/ObjectRotate.is_playing():
-		$MaterialPreview/Preview3d/ObjectRotate.stop(false)
-	else:
 		$MaterialPreview/Preview3d/ObjectRotate.play("rotate")
+	else:
+		$MaterialPreview/Preview3d/ObjectRotate.stop(false)

addons/material_maker/preview.tscn

@@ -65,12 +65,14 @@ items = [ "Epping Forest", null, false, -1, null, "Moonless Golf", null, false,
 selected = 0
 
 [node name="Rotate" type="Button" parent="Config"]
-margin_left = 348.0
+margin_left = 235.0
-margin_right = 368.0
+margin_right = 255.0
 margin_bottom = 20.0
 rect_pivot_offset = Vector2( -4, 7 )
-hint_tooltip = "Show in main view"
+hint_tooltip = "Rotate object"
-size_flags_horizontal = 10
+size_flags_horizontal = 2
+toggle_mode = true
+pressed = true
 text = "R"
 
 [node name="Background" type="Button" parent="Config"]
@@ -99,6 +101,6 @@ size_flags_vertical = 8
 [connection signal="resized" from="." to="." method="_on_Preview_resized"]
 [connection signal="item_selected" from="Config/Model" to="." method="_on_Model_item_selected"]
 [connection signal="item_selected" from="Config/Environment" to="." method="_on_Environment_item_selected"]
-[connection signal="pressed" from="Config/Rotate" to="." method="_on_Rotate_pressed"]
+[connection signal="toggled" from="Config/Rotate" to="." method="_on_Rotate_toggled"]
 [connection signal="toggled" from="Config/Background" to="." method="_on_Background_toggled"]
 [connection signal="gui_input" from="Preview2D" to="." method="_on_Preview2D_gui_input"]

addons/material_maker/widgets/gradient_editor.gd

@@ -2,7 +2,6 @@ tool
 extends Control
 class_name MMGradientEditor
 
-
 class GradientCursor:
 	extends ColorRect