lgbot: movement recorder (lgbot_record) and tools/lgbot_rec.py to compare player vs bot movement

Co-Authored-By: Claude Opus 5.5 <[email protected]>

tools/test_lgbot_plugin.py

@@ -58,6 +58,9 @@ def load(world):
         def get_cvar(self, name):
             return world.cvars.get(name)
 
+        def set_cvar(self, name, value):
+            world.cvars[name] = value
+
         def add_hook(self, event, fn):
             pass
 
@@ -139,6 +142,33 @@ class Tick(unittest.TestCase):
         # per frame: at most the acceleration step (plus friction compensation), never a 640 u/s flip
         self.assertLess(biggest, self.mod.ACCEL * 0.025 * comp + 0.15 * 320 * comp + 1)
 
+    def test_recorder_writes_rows_without_names(self):
+        import tempfile
+        path = os.path.join(tempfile.mkdtemp(), "rec.csv")
+        self.mod.REC_FILE = path
+        self.w.cvars["lgbot_record"] = "1"
+        self.run_frames(80)
+        self.w.cvars["lgbot_record"] = "0"
+        self.w.now += 1.1                         # cvars are reread once a second
+        self.run_frames(2)
+        with open(path) as f:
+            text = f.read()
+        rows = [l.split(",") for l in text.splitlines() if not l.startswith("#")]
+        self.assertGreater(len(rows), 100)
+        self.assertEqual({row[1] for row in rows}, {"bot", "h1"})
+        self.assertIn("steer", {row[10] for row in rows})
+        self.assertNotIn(str(HUMAN_ID), text)
+        self.assertIsNone(self.plugin.rec)
+
+    def test_recorder_stops_itself(self):
+        import tempfile
+        self.mod.REC_FILE = os.path.join(tempfile.mkdtemp(), "rec.csv")
+        self.mod.REC_MAX_S = 1
+        self.w.cvars["lgbot_record"] = "1"
+        self.run_frames(80)
+        self.assertEqual(self.w.cvars["lgbot_record"], "0")
+        self.assertIsNone(self.plugin.rec)
+
     def test_no_target_means_no_steering(self):
         self.human.team = "spectator"
         self.run_frames(40)