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_rec.py

@@ -0,0 +1,75 @@
+"""tools/lgbot_rec.py: parsing a recording and the movement stats."""
+import os, sys, unittest
+
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+import lgbot_rec as r  # noqa: E402
+
+
+def rec(seconds, human_fn, bot_fn, dt=0.025):
+    """Recording lines: human_fn/bot_fn(t) -> (x, y, z, vx, vy, vz)."""
+    lines = ["# start 0 map test"]
+    t = 0.0
+    while t < seconds:
+        for who, fn, state in (("h1", human_fn, ""), ("bot", bot_fn, "steer")):
+            x, y, z, vx, vy, vz = fn(t)
+            lines.append("%.3f,%s,1,100,%.0f,%.0f,%.0f,%.0f,%.0f,%.0f,%s" % (t, who, x, y, z, vx, vy, vz, state))
+        t += dt
+    return lines
+
+
+def adad(hold_s):
+    # sideways (y) at 320 u/s, switching every hold_s, standing 450 in front of the other on x
+    def fn(t):
+        d = 1 if int(t / hold_s) % 2 == 0 else -1
+        return (0, 0, 0, 0, 320 * d, 0)
+    return fn
+
+
+def still_at(x):
+    return lambda t: (x, 0, 0, 0, 0, 0)
+
+
+class Stats(unittest.TestCase):
+    def test_strafe_holds_and_sideways(self):
+        s = r.parse(rec(10, adad(0.5), still_at(450)))
+        st = r.analyze(r.fight_frames(s[0])["human"])
+        self.assertAlmostEqual(st["hold_ms"][1], 500, delta=30)
+        self.assertGreater(st["sideways_share"], 0.95)
+        self.assertEqual(st["air_share"], 0)
+        self.assertAlmostEqual(st["ground_speed"][1], 320, delta=1)
+        self.assertAlmostEqual(st["seconds"], 10, delta=0.1)
+
+    def test_bot_steer_share_and_stopped(self):
+        s = r.parse(rec(5, adad(0.5), still_at(450)))
+        st = r.analyze(r.fight_frames(s[0])["bot"])
+        self.assertEqual(st["steer_share"], 1)
+        self.assertEqual(st["stopped_share"], 1)
+
+    def test_jumps_counted(self):
+        def hop(t):  # one jump a second: 0.7 s in the air, then ground
+            ph = t % 1.0
+            return (0, 0, 0, 0, 320, 270 - 800 * ph if ph < 0.7 else 0)
+        st = r.analyze(r.fight_frames(r.parse(rec(10, hop, still_at(450)))[0])["human"])
+        self.assertAlmostEqual(st["jumps_per_s"], 1.0, delta=0.15)
+        self.assertAlmostEqual(st["air_share"], 0.7, delta=0.05)
+
+    def test_far_or_other_floor_is_not_fight_time(self):
+        far = r.fight_frames(r.parse(rec(2, adad(0.5), still_at(1500)))[0])
+        up = r.fight_frames(r.parse(rec(2, adad(0.5), lambda t: (450, 0, 400, 0, 0, 0)))[0])
+        self.assertEqual(far["human"], [])
+        self.assertEqual(up["human"], [])
+
+    def test_sessions_do_not_join(self):
+        lines = rec(2, adad(0.5), still_at(450)) + rec(2, adad(0.5), still_at(450))
+        sessions = r.parse(lines)
+        self.assertEqual(len(sessions), 2)
+        frames = r.fight_frames(sessions[0])["human"] + r.fight_frames(sessions[1])["human"]
+        self.assertAlmostEqual(r.analyze(frames)["seconds"], 4, delta=0.1)
+
+    def test_report_prints(self):
+        st = r.analyze(r.fight_frames(r.parse(rec(2, adad(0.5), still_at(450)))[0])["human"])
+        self.assertIn("strafe hold", r.report(st, r.analyze([])))
+
+
+if __name__ == "__main__":
+    unittest.main()