SashegDev
874b6f20c2
Основа — Horizon (MIT). История апстрима не переносится: этот репозиторий ведёт свою.
77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
#!/usr/bin/env python3
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"""Compare movement packet selection and teleport velocity with the pinned client."""
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import json
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import random
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import struct
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try:
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from . import lab, oracle_harness as harness
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except ImportError:
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import lab, oracle_harness as harness
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def corpus():
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# Stationary heartbeats, rotation-only updates, status changes and corrected
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# positions followed by unchanged looks must retain vanilla's packet types.
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yield dict(kind="movement", ops=[[0, 0, 0, 0, 0, False, False]] * 61)
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yield dict(kind="movement", ops=[
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[0, 64, 0, 90, 0, True, False],
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[0, 64, 0, 90, 0, True, False],
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[0, 64, 0, 91, 0, True, False],
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[100, 80, -20, 180, 20, False, False],
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[100, 80, -20, 180, 20, True, False],
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[100, 80, -20, 180, 20, True, True],
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])
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rng = random.Random(0x53594E43)
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for _ in range(300):
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state = [0, 0, 0, 0, 0, False, False]
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ops = []
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for _ in range(80):
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if rng.random() < 0.5:
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axis = rng.randrange(3)
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state[axis] += rng.choice([0, 0.0001, 0.0002, 0.0002000001, 0.1, 10])
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if rng.random() < 0.3:
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state[3] += rng.choice([-360, -1, 0, 0.001, 1, 360])
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state[4] = rng.choice([-90, 0, 30, 90])
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if rng.random() < 0.2:
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state[rng.randrange(5, 7)] = rng.choice([False, True])
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ops.append(state.copy())
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yield dict(kind="movement", ops=ops)
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for flags in range(16):
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for _ in range(40):
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yield dict(kind="velocity", flags=flags << 5,
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velocity=[rng.uniform(-4, 4) for _ in range(3)],
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delta=[rng.uniform(-4, 4) for _ in range(3)],
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old=[rng.uniform(-720, 720), rng.uniform(-90, 90)],
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new=[rng.uniform(-720, 720), rng.uniform(-90, 90)])
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def main():
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def inputs(build):
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rows = list(corpus())
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def bits(v):
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return struct.pack(">d", v).hex()
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for row in rows:
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if row["kind"] == "movement":
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row["ops"] = [[*map(bits, op[:5]), *op[5:]] for op in row["ops"]]
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else:
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for key in ["velocity", "delta", "old", "new"]:
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row[key] = list(map(bits, row[key]))
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path = build / "inputs.jsonl"
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path.write_text("".join(json.dumps(row) + "\n" for row in rows))
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return path, len(rows)
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harness.differential(
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"player-sync-parity", "VanillaPlayerSyncOracle", "player_sync_fixture", inputs,
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"Actual LocalPlayer.sendPosition packet payloads over persistent movement "
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"sequences; PositionMoveRotation.calculateAbsolute velocity with every "
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"relative-delta/rotate-delta combination. World simulation, connection "
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"scheduling and live anticheat behaviour are outside this harness.",
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sources=[lab.ROOT / "crates/horizon-client/src/player_sync.rs",
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lab.ROOT / "crates/horizon-client/src/game/remote.rs",
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lab.ROOT / "crates/horizon-client/src/net.rs"])
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if __name__ == "__main__":
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main()
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