1 files changed, 49 insertions, 0 deletions
diff --git a/mcwrapper/players.py b/mcwrapper/players.py
new file mode 100644
index 0000000..c3dabb4
--- /dev/null
+++ b/mcwrapper/players.py
@@ -0,0 +1,49 @@
+# vim: expandtab ft=python ts=4 sw=4 sts=4:
+import os
+
+from . import prints
+
+__PLAYERSFILE__ = 'players'
+
+
+class MCPlayers:
+    "Tracks online players"
+    def __init__(self, wrapper, file_export=False):
+        self.players = set()
+        self.wrapper = wrapper
+        wrapper.hook_start(self.__reset__)
+        wrapper.hook_stop(self.__reset__)
+        wrapper.hook_line('logged in with entity id', self.__user_join__)
+        wrapper.hook_line('left the game', self.__user_leave__)
+        self.file_export = file_export
+        self.__reset__()
+
+    def clean(self):
+        try:
+            os.remove(__PLAYERSFILE__)
+        except FileNotFoundError:
+            pass
+
+    def __reset__(self):
+        if self.file_export:
+            open(__PLAYERSFILE__, 'w')  # Just create empty file
+
+    def __user_join__(self, line):
+        username = line[len('[00:00:00] [Server thread/INFO]: '):]
+        username = username[:username.index('[')]
+        prints.info("User '" + username + "' joined server.")
+        self.players.add(username)
+        if self.file_export:
+            with open(__PLAYERSFILE__, 'a') as file:
+                file.write(username + '\n')
+
+    def __user_leave__(self, line):
+        username = line[len('[00:00:00] [Server thread/INFO]: '):]
+        username = username[:username.index(' ')]
+        prints.info("User '" + username + "' left server.")
+        self.players.remove(username)
+        if self.file_export:
+            with open(__PLAYERSFILE__, 'w') as file:
+                file.write('\n'.join(self.players))
+                if self.players:
+                    file.write('\n')