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Cover all block states, registered enchantments, lore styles and representative Lunge tiers using the existing vanilla oracles. Co-Authored-By: pi coding agent (DeepSeek-V4.1-Flash) <[email protected]> Co-Authored-By: Codex (gpt-6.1-sol) <[email protected]> Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01WZzq8KX3vDMZy53y1vXqeT
72 lines
3.3 KiB
Python
72 lines
3.3 KiB
Python
#!/usr/bin/env python3
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"""A spear's Lunge on the ground and in a jump, on a dedicated server, against vanilla's, seen by a vanilla client.
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A vanilla dedicated server and Horizon's (`horizon-client --dedicated --nogui`) each serve a copy of one flat world
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vanilla generated first, with Alice an operator in survival, holding a spear with Lunge III. LocatorBarClient (a
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player made of vanilla's protocol code) jabs (ServerboundPlayerActionPacket STAB) standing, in the tick of a jump,
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and a few ticks into one, sending one position a tick as LocalPlayer does. `ApplyEntityImpulse.apply` answers with a
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ClientboundSetEntityMotionPacket, which replaces the client's velocity: the motions Alice is sent are compared. The
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y keeps the jump because handlePlayerPositionChange makes the server's copy jump too (`jumpFromGround`).
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"""
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import sys
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try:
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from . import test_locator_bar_parity as locator
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except ImportError:
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import test_locator_bar_parity as locator
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NAME = 'lunge-motion-parity'
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# server_dir and generate_world write these server.properties.
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locator.PROPERTIES = dict(locator.PROPERTIES, gamemode='survival', difficulty='peaceful')
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# Exercise the lowest and an intermediate tier/level as well as the original maximum.
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# The extra tiers jab standing: repeating every jump phase drifts Alice far enough
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# from the spawn that vanilla's own real-time steps occasionally miss the jab, and
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# the original maximum keeps all four phases (the same distance as before).
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PHASES = [('ground', ['stab Alice']), ('same-tick', ['arc Alice 0']), ('rising', ['arc Alice 3']),
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('falling', ['arc Alice 8'])]
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GROUND = [PHASES[0]]
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SPEARS = [('wooden_spear', 1, GROUND), ('iron_spear', 2, GROUND), ('netherite_spear', 3, PHASES)]
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def script():
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# Peaceful: the flat world's slimes would otherwise hit Alice while the
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# script is idle before the first command (and kill her), adding motions.
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steps = [('setup', ['arc Alice -1'])]
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for spear, level, phases in SPEARS:
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steps.append(('setup', ['cmd Alice clear @s',
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f'cmd Alice give @s minecraft:{spear}[enchantments={{lunge:{level}}}]']))
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for phase, actions in phases:
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steps.append((f'{spear}-{level}-{phase}', list(actions)))
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# jumpFromGround gives a sprinting server copy 0.2 forward too.
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steps.append(('sprinting', ['sprint Alice', 'arc Alice 3']))
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return steps
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SCRIPT = script()
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def shown(lines):
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"""The motions Alice is sent from the first jab on."""
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return [line for line in lines if len(parts := line.split(' ', 3)) >= 3 and parts[1] != 'step=setup'
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and parts[2] == 'motion']
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def check(vanilla, vanilla_all):
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steps = {line.split()[1] for line in vanilla}
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missing = {f'step={step}' for step, _ in SCRIPT if step != 'setup'} - steps
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return f'vanilla sent no motion in {sorted(missing)}' if missing else None
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def main():
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lines = locator.one_player(NAME, SCRIPT, shown, check, "A spear's Lunge standing and at three points of a jump "
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'on a dedicated server: motion for wooden Lunge I, iron Lunge II and netherite Lunge III.', step_seconds=2.0)
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print(f'lunge motion: {len(lines)} lines identical')
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if __name__ == '__main__':
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try:
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main()
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except AssertionError as error:
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sys.exit(f'{NAME}: {error}')
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