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JoansitohandClaude Sonnet 5.5
f25c0dd45a
AbstractArrow.onHitEntity: the charge cannot be hurt, so the arrow takes deflect(REVERSE, 0.2) and falls. The harness now also checks the arrow is still in the world a second after the shot. Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
65 lines
3.0 KiB
Python
Executable File
65 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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"""An arrow that meets a wind charge, 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. A still wind charge is summoned above her and
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LocatorBarClient (a player made of vanilla's protocol code) fires a loaded crossbow straight up
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(ServerboundUseItemPacket) into it: the charge is `#redirectable_projectile`, so `Projectile.isPickable` and the arrow
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can hit it, and `Projectile.onHit` turns it along her look (`onRedirectProjectile`, AIM_DEFLECT) and gives it
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acceleration power 0.1 (`AbstractHurtingProjectile.onDeflection`), which `applyInertia` adds each tick: a second later
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it is 35 to 47 blocks up, past where a speed of 1 would take it.
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The arrow is not spent: `AbstractArrow.onHitEntity` fails to hurt the charge and `deflect(REVERSE, 0.2)` turns it back, so
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it is still falling a second after the shot (the charge is 20 blocks up, so it has far to fall) instead of vanishing.
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Whether the charge is in that band and whether an arrow is left in the world are compared (vanilla's answer is the
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oracle).
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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 = 'arrow-wind-charge-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')
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SCRIPT = [
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('setup', ['chat on',
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'cmd Alice give @s minecraft:crossbow[minecraft:charged_projectiles=[{id:"minecraft:arrow",count:1}]]',
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'cmd Alice execute at @s run summon minecraft:wind_charge ~ ~20 ~']),
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('shoot', ['use Alice -90']),
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('asked', ['cmd Alice execute if entity @e[type=minecraft:wind_charge,x=-8,y=-30,z=-8,dx=16,dy=40,dz=16]',
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'cmd Alice execute if entity @e[type=minecraft:arrow]']),
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]
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def shown(lines):
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"""The answer about the charge."""
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out = []
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for line in lines:
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parts = line.split(' ', 3)
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if len(parts) >= 3 and parts[1] == 'step=asked' and parts[2] == 'chat' and 'conditional' in line:
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out.append(f'{parts[1]} {parts[3]}')
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return out
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def check(vanilla, vanilla_all):
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if sum('conditional.pass' in line for line in vanilla) != 2:
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return 'the wind charge was not where a turned, accelerating one flies, or the arrow did not bounce'
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return None
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def main():
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lines = locator.one_player(NAME, SCRIPT, shown, check, 'A crossbow arrow fired straight up into a still wind '
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'charge on a dedicated server: the charge turns along the shooter\'s look and '
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'speeds up, and the arrow bounces off it.', step_seconds=1.0)
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print(f'arrow wind charge: {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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