diff --git a/aircraft/javaprop2jsbcpct.py b/aircraft/javaprop2jsbcpct.py
index a22ba75..2aa2724 100755
--- a/aircraft/javaprop2jsbcpct.py
+++ b/aircraft/javaprop2jsbcpct.py
@@ -3,6 +3,7 @@
 
 import argparse
 import os
+import natsort
 from fgtools.utils.interpolator import Interpolator
 
 
@@ -93,18 +94,27 @@ if __name__ == "__main__":
 	
 	args = argp.parse_args()
 	
-	for path in args.input_files:
-		if not os.path.isfile(path):
-			print(f"Error: input file {path} not found, exiting")
-			sys.exit(1)
+	paths = []
 	
-	if len(args.blade_angles) < len(args.input_files):
+	for path in args.input_files:
+		if not os.path.exists(path):
+			print(f"Error: input file / directory {path} not found, exiting")
+			sys.exit(1)
+		
+		if os.path.isfile(path):
+			paths.append(path)
+		else:
+			for file in natsort.realsorted(os.listdir(path)):
+				paths.append(os.path.join(path, file))
+	
+	if len(args.blade_angles) < len(paths):
 		print("Error: less blade angles than input files")
-	elif len(args.blade_angles) > len(args.input_files):
-		args.blade_angles, rest = args.blade_angles[:len(args.input_files) + 1]
+	elif len(args.blade_angles) > len(paths):
+		args.blade_angles, rest = args.blade_angles[:len(paths) + 1]
 		print(f"Warning: skipping {len(rest)} blade angles because no corresponding data file was specified")
 	
-	data = parse_data_files(args.input_files, args.blade_angles)
+	print(paths)
+	data = parse_data_files(paths, args.blade_angles)
 	output = make_tables(data, args.max, args.indentation, args.resolution)
 	
 	
diff --git a/scenery/create-day-night-xml.py b/scenery/create-day-night-xml.py
new file mode 100755
index 0000000..5df6335
--- /dev/null
+++ b/scenery/create-day-night-xml.py
@@ -0,0 +1,131 @@
+#!/usr/bin/env python
+
+import os, sys, argparse
+
+def get_texture_paths(folder="."):
+	texture_paths = {}
+	for name in os.listdir(folder):
+		path = os.path.relpath(os.path.join(folder, name), start=folder)
+		if name.endswith(".ac"):
+			with open(path, "r") as f:
+			   if not path in texture_paths:
+				   texture_paths[path] = {}
+			   object = ""
+			   for line in f:
+				   if line.strip().startswith("name"):
+					   object = line.split('"')[1]
+					   if object == "world":
+						   object = ""
+						   continue
+				   
+				   if line.strip().startswith("texture") and object:
+					   texture_path = line.split('"')[1]
+					   if not texture_path in texture_paths[path]:
+						   texture_paths[path][texture_path] = []
+					   texture_paths[path][texture_path].append(object)
+			   
+			   if not texture_paths[path]:
+				   print(path, "contains no texture, skipping")
+	
+	if not texture_paths:
+		print(os.path.abspath(folder), "does not contain any AC files - exiting")
+		sys.exit(1)
+	
+	return texture_paths
+
+def write_xml_files(texture_paths, lit_suffix, overwrite):
+	for ac_path in texture_paths:
+		xml_path = ac_path.replace(".ac", ".xml")
+		if os.path.isfile(xml_path) and not overwrite:
+			 print("XML file", xml_path, "already exists - skipping")
+			 continue
+		
+		with open(xml_path, "w") as xml_f:
+			xml_f.write("""<?xml version="1.0" encoding="utf-8"?>
+<PropertyList>
+	<path>%s</path>""" % ac_path)
+			
+			for texture_path in texture_paths[ac_path]:
+				texture_lit_path = texture_path.split(".")
+				texture_lit_path[-2] += lit_suffix
+				texture_lit_path = ".".join(texture_lit_path)
+		
+				if not os.path.isfile(texture_lit_path):
+					print("Night texture", texture_lit_path, "does not exist - skipping objects")
+					break
+				
+				xml_f.write("""
+	<animation>
+		<condition>
+			<greater-than>
+				<property>/sim/time/sun-angle-rad</property>
+				<value>1.49</value>
+			</greater-than>
+		 </condition>
+		<type>material</type>""")
+				
+				for object in texture_paths[ac_path][texture_path]:
+					xml_f.write("		<object-name>%s</object-name>" % object)
+				
+				xml_f.write("""		 <emission>
+			 <red>1</red>
+			 <green>1</green>   
+			 <blue>1</blue>
+		 </emission>
+		 <texture>%s</texture>
+ 	</animation>""" % texture_lit_path)
+ 				xml_f.write("""
+	
+	<animation>
+		<type>material</type>
+		<condition>
+			<less-than-equals>
+				<property>/sim/time/sun-angle-rad</property>
+				<value>1.49</value>
+			</less-than-equals>
+		 </condition>""")
+		 		
+				for object in texture_paths[ac_path][texture_path]:
+					xml_f.write("		<object-name>%s</object-name>" % object)
+				
+				xml_f.write("""		 <emission>
+			 <red>0</red>
+			 <green>0</green>
+			 <blue>0</blue>
+		 </emission>
+		 <texture>%s</texture>""" % texture_path)
+		 	
+		 		xml_f.write("</animation>")
+	 	
+	 		xml_f.write("</PropertyList>\n")
+
+def main():
+	argp = argparse.ArgumentParser()
+	
+	argp.add_argument("-o", "--overwrite",
+		help="Whether to overwrite XML files if any already exist, defaults to not overwriting",
+		action="store_true"
+	)
+	
+	argp.add_argument("-s", "--lit-suffix",
+		help="What suffix the lit texture has (of the name itself, not the file extension), default is _LIT",
+		default="_LIT"
+	)
+	
+	argp.add_argument("folder",
+		help="Folder / directory where the AC files and textures are in, default is working directory",
+		default="."
+	)
+	
+	args = argp.parse_args()
+	
+	if not os.path.isdir(args.folder):
+		print("Folder", args.folder, "does not exist - exiting")
+		sys.exit(1)
+	
+	texture_paths = get_texture_paths(args.folder)
+	write_xml_files(texture_paths, args.lit_suffix, args.overwrite)
+
+if __name__ == "__main__":
+	main()
+