map.py may ignore missing map_conf.json

2 files changed, 5 insertions, 5 deletions

diff --git a/docs/tools.md b/docs/tools.md
index caf67c4..a0d1237 100644
--- a/docs/tools.md
+++ b/docs/tools.md
@@ -105,8 +105,9 @@ Please check `map.json` of the example game for a reference.
 
 #### Configuration
 
-The map importer requires a configuration file in JSON format that provides
-information about the valid entities in the map.
+The map importer may require a configuration file in JSON format that provides
+information about the valid entities in the map, but only if the Entities layer
+is used.
 
 For each entity it expects:
 
diff --git a/tools/map.py b/tools/map.py
index 0ce19fb..9fce018 100755
--- a/tools/map.py
+++ b/tools/map.py
@@ -145,9 +145,6 @@ def main():
 
     args = parser.parse_args()
 
-    with open(args.conf, "rt") as fd:
-        conf = json.load(fd)
-
     with open(args.map_json, "rt") as fd:
         data = json.load(fd)
 
@@ -226,6 +223,8 @@ def main():
                 file=sys.stderr,
             )
     if len(entities_layer) and entities_layer["visible"]:
+        with open(args.conf, "rt") as fd:
+            conf = json.load(fd)
         et_names = [d["name"] for d in conf["entities"]]
         et_weigths = dict((d["name"], d["w"]) for d in conf["entities"])
         et_bytes = dict((d["name"], d["bytes"]) for d in conf["entities"])