Add the gestion of tmx extension

Tiled/converter

@@ -1,14 +1,22 @@
 #! /usr/bin/env python3
 from sys import argv
+import xmltodict
 
 
-def convert_to_string(csv_filename):
-    output_filename = csv_filename.split('.')[0]
+def convert_to_string(filename):
+    output_filename, extension = filename.split('.')
     char_list = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ "
 
-    with open(csv_filename, "r") as file:
-            data = [[int(char_id) for char_id in line.split(",")] for line in file.read().splitlines()]
+    with open(filename, "r") as file:
+        data = file.read()
 
+    if extension == "tmx":
+        data = xmltodict.parse(data)["map"]["layer"]["data"]["#text"].splitlines()
+        data = [[int(char_id) - 1 for char_id in line.split(",") if char_id] for line in data]
+    elif extension == "csv":
+        data = data.splitlines()
+        data = [[int(char_id) for char_id in line.split(",") if char_id] for line in data]
+    
     output = r""
     for line in data:
         for char_id in line:
@@ -16,6 +24,6 @@ def convert_to_string(csv_filename):
         output += "\n"
 
     with open(f"{output_filename}.py", "w") as file:
-        file.write(f"{output_filename}_map = r\"\"\"\n{output}\n\"\"\"")
+        file.write(f"{output_filename} = (r\"\"\"\n{output[:-2]}\"\"\",\n)")
 
 convert_to_string(*argv[1:])