Added GPL importer, new palette classes for clarification

Scripts/Palette/Palette.gd

@@ -0,0 +1,132 @@
+extends Reference
+
+class_name Palette
+func get_class(): return "Palette"
+func is_class(name): return name == "Palette" or .is_class(name)
+
+var name : String = "Custom_Palette"
+var colors : Array = []
+var comments : String = ""
+var editable : bool = true
+
+func insert_color(index : int, new_color : Color, name : String = "no name") -> void:
+	if index < colors.size():
+		var c := PaletteColor.new(new_color, name)
+		colors.insert(index, c)
+
+func add_color(new_color : Color, name : String = "no name") -> void:
+	var c := PaletteColor.new(new_color, name)
+
+	colors.push_back(c)
+
+func remove_color(index : int) -> void:
+	if index < colors.size():
+		colors.remove(index)
+
+func move_color(from : int, to : int) -> void:
+	if from < colors.size() && to < colors.size():
+		var c : PaletteColor = colors[from]
+		remove_color(from)
+		insert_color(to, c.color, c.name)
+
+func get_color(index : int) -> Color:
+	var result := Color.black
+	
+	if index < colors.size():
+		result = colors[index].color
+	
+	return result
+
+func set_color(index : int, new_color : Color) -> void:
+	if index < colors.size():
+		colors[index].color = new_color
+
+func get_color_data(index : int) -> String:
+	var result := ""
+	
+	if index < colors.size():
+		result = colors[index].data
+	
+	return result
+
+func set_color_data(index : int, new_color : String) -> void:
+	if index < colors.size():
+		colors[index].data = new_color
+
+func get_color_name(index : int) -> String:
+	var result = ""
+	
+	if index < colors.size():
+		result = colors[index].name
+	
+	return result
+
+func set_color_name(index : int, new_name : String) -> void:
+	if index < colors.size():
+		colors[index].name = new_name
+
+func save_to_file(path : String) -> void:
+	var file = File.new()
+	file.open(path, File.WRITE)
+	file.store_string(_serialize())
+	file.close()
+
+func duplicate() -> Palette:
+	var copy : Palette = get_script().new()
+	copy.name = name
+	copy.comments = comments
+	copy.editable = editable
+	for color in colors:
+		copy.colors.push_back(color.duplicate())
+	return copy
+
+func _serialize() -> String:
+	var result = ""
+	var serialize_data : Dictionary = {
+		"name" : name,
+		"colors" : [],
+		"comments" : comments,
+		"editable" : editable
+	}
+	for color in colors:
+		serialize_data.colors.push_back(color.toDict())
+	
+	result = JSON.print(serialize_data)
+	
+	return result;
+
+func deserialize(input_string : String) -> Palette:
+	var result = get_script().new()
+	
+	var result_json = JSON.parse(input_string)
+#
+	if result_json.error != OK:  # If parse has errors
+		print("Error: ", result_json.error)
+		print("Error Line: ", result_json.error_line)
+		print("Error String: ", result_json.error_string)
+		result = null
+	else:  # If parse OK
+		var data = result_json.result
+		if data.has("name"): #If data is 'valid' palette file
+			result = get_script().new()
+			result.name = data.name
+			result.comments = data.comments
+			result.editable = data.editable
+			for color_data in data.colors:
+				result.add_color(color_data.data, color_data.name)
+	
+	return result
+
+func load_from_file(path : String) -> Palette:
+	var result : Palette = null
+	var file = File.new()
+
+	if file.file_exists(path):
+		file.open(path, File.READ)
+
+		var text : String = file.get_as_text()
+		result = deserialize(text)
+
+		file.close()
+
+	return result