Refactor the plugin demos to be inside of a project for convenience

plugins/addons/material_creator/material_resource.gd

@@ -0,0 +1,57 @@
+tool
+extends Node
+
+# NOTE: in theory this would extend from resource, but until saving and loading resources
+# works in godot, we'll stick with extending from node
+# and using JSON files to save/load data
+#
+# See material_import.gd for more information
+
+var albedo_color
+var metallic_strength
+var roughness_strength
+
+func init():
+	albedo_color = Color()
+	metallic_strength = 0
+	roughness_strength = 0
+
+
+# Convert our data into an dictonary so we can convert it
+# into the JSON format
+func make_json():
+	var json_dict = {}
+	
+	json_dict["albedo_color"] = {}
+	json_dict["albedo_color"]["r"] = albedo_color.r
+	json_dict["albedo_color"]["g"] = albedo_color.g
+	json_dict["albedo_color"]["b"] = albedo_color.b
+	
+	json_dict["metallic_strength"] = metallic_strength
+	json_dict["roughness_strength"] = roughness_strength
+	
+	return to_json(json_dict)
+
+
+# Convert the passed in string to a json dictonary, and then
+# fill in our data.
+func from_json(json_dict_as_string):
+	var json_dict = parse_json(json_dict_as_string)
+	
+	albedo_color.r = json_dict["albedo_color"]["r"]
+	albedo_color.g = json_dict["albedo_color"]["g"]
+	albedo_color.b = json_dict["albedo_color"]["b"]
+	
+	metallic_strength = json_dict["metallic_strength"]
+	roughness_strength = json_dict["roughness_strength"]
+
+
+# Make a SpatialMaterial using our variables.
+func make_material():
+	var mat = SpatialMaterial.new()
+	
+	mat.albedo_color = albedo_color
+	mat.metallic = metallic_strength
+	mat.roughness = roughness_strength
+	
+	return mat