Ludovic Marie
ce87bfb8c7
lab.VERSION, lab.GAME (.local/minecraft/<version>) and lab.RESOURCES (.local/horizon-client/<version>) come from the lock, and lab.version_info() reads the pinned client jar's version.json. Every harness, generator and tool that named 26.3 (resource folders, jar and source paths, result records, the vanilla client's --version and asset index, the bare login client's protocol, the benchmark's options.txt data version, the packet id table's header) uses them, so a candidate worktree pinned to another version runs them unchanged. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
183 lines
14 KiB
Python
183 lines
14 KiB
Python
#!/usr/bin/env python3
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"""Compare spawn placement checks and spawn predicates with vanilla.
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Java (VanillaSpawnRulesOracle) runs SpawnPlacements.isSpawnPositionOk and
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checkSpawnRules on a stand-in ServerLevel holding one column of blocks with
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uniform light; Rust (spawn_rules_fixture) runs horizon_client::mobs::spawn_rules
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on the same column. Every mob type is tried on surfaces, caves, water, lava,
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the nether and the end, dangerous blocks, light levels, thunder, difficulty,
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biomes, slime chunks, nearby players and several spawn reasons; each case
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also prints the next draw of its random, pinning the number of draws.
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"""
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import argparse
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import json
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import os
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from pathlib import Path
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import platform
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import random
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import subprocess
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try:
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from . import lab, test_rust_parity as base
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except ImportError:
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import lab
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import test_rust_parity as base
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# Living types that are not Horizon mob types or not mobs at all.
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SKIPPED = {'player', 'mannequin', 'armor_stand', 'ender_dragon', 'giant', 'copper_golem'}
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SCENARIOS = {
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'grass-day': dict(b=dict(m1='minecraft:grass_block'), sky=15, surface=64),
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'grass-night': dict(b=dict(m1='minecraft:grass_block'), sky=15, darken=11, surface=64),
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'grass-dusk': dict(b=dict(m1='minecraft:grass_block'), sky=15, darken=7, surface=64),
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'grass-thunder': dict(b=dict(m1='minecraft:grass_block'), sky=15, thunder=1, surface=64),
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'grass-peaceful': dict(b=dict(m1='minecraft:grass_block'), sky=15, darken=11, difficulty='peaceful', surface=64),
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'grass-torch': dict(b=dict(m1='minecraft:grass_block'), sky=15, darken=11, light=9, surface=64),
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'cave-dark': dict(b=dict(m1='minecraft:stone'), sky=0, y=20, surface=80),
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'cave-lit1': dict(b=dict(m1='minecraft:stone'), sky=0, light=1, y=20, surface=80),
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'cave-lit8': dict(b=dict(m1='minecraft:deepslate'), sky=0, light=8, y=-20, surface=80),
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'cave-lit12': dict(b=dict(m1='minecraft:stone'), sky=0, light=12, y=20, surface=80),
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'cave-dim': dict(b=dict(m1='minecraft:stone'), sky=3, y=40, surface=80),
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'water-surface': dict(b=dict(m1='minecraft:water', p0='minecraft:water', p1='minecraft:water'), sky=15, y=60, surface=64, biome='minecraft:ocean'),
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'water-warm': dict(b=dict(m1='minecraft:water', p0='minecraft:water', p1='minecraft:water'), sky=15, y=58, surface=64, biome='minecraft:warm_ocean'),
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'water-deep': dict(b=dict(m1='minecraft:water', p0='minecraft:water', p1='minecraft:water'), sky=0, y=25, surface=64, biome='minecraft:deep_ocean'),
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'water-deep-lit': dict(b=dict(m1='minecraft:water', p0='minecraft:water', p1='minecraft:water'), sky=0, light=3, y=25, surface=64, biome='minecraft:lukewarm_ocean'),
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'water-mid': dict(b=dict(m1='minecraft:water', p0='minecraft:water', p1='minecraft:water'), sky=15, y=45, surface=64, biome='minecraft:cold_ocean'),
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'water-roofed': dict(b=dict(m1='minecraft:water', p0='minecraft:water', p1='minecraft:water', p3='minecraft:stone'), sky=0, y=50, surface=64, biome='minecraft:ocean'),
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'water-river': dict(b=dict(m1='minecraft:water', p0='minecraft:water', p1='minecraft:water'), sky=0, y=50, surface=64, biome='minecraft:river', darken=11),
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'water-conductor': dict(b=dict(m1='minecraft:water', p0='minecraft:water', p1='minecraft:stone'), sky=15, y=60, surface=64),
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'water-seagrass': dict(b=dict(m1='minecraft:sand', p0='minecraft:water', p1='minecraft:water'), sky=15, y=55, surface=64, biome='minecraft:ocean'),
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'water-clay': dict(b=dict(m1='minecraft:clay', p0='minecraft:water', p1='minecraft:water'), sky=0, y=10, surface=64, biome='minecraft:lush_caves'),
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'lava-nether': dict(b=dict(m1='minecraft:lava', p0='minecraft:lava', p1='minecraft:lava'), sky=0, light=15, y=31, sea=32, dim='minecraft:the_nether', biome='minecraft:basalt_deltas'),
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'lava-open': dict(b=dict(m1='minecraft:lava', p0='minecraft:lava'), sky=0, light=15, y=31, sea=32, dim='minecraft:the_nether', biome='minecraft:nether_wastes'),
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'nether-dark': dict(b=dict(m1='minecraft:netherrack'), sky=0, light=0, y=70, sea=32, dim='minecraft:the_nether', biome='minecraft:nether_wastes'),
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'nether-lit7': dict(b=dict(m1='minecraft:netherrack'), sky=0, light=7, y=70, sea=32, dim='minecraft:the_nether', biome='minecraft:crimson_forest'),
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'nether-lit8': dict(b=dict(m1='minecraft:crimson_nylium'), sky=0, light=8, y=70, sea=32, dim='minecraft:the_nether', biome='minecraft:crimson_forest'),
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'nether-wart': dict(b=dict(m1='minecraft:nether_wart_block'), sky=0, light=0, y=70, sea=32, dim='minecraft:the_nether', biome='minecraft:crimson_forest'),
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'nether-soul': dict(b=dict(m1='minecraft:soul_sand'), sky=0, light=3, y=40, sea=32, dim='minecraft:the_nether', biome='minecraft:soul_sand_valley'),
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'nether-magma': dict(b=dict(m1='minecraft:magma_block'), sky=0, light=3, y=40, sea=32, dim='minecraft:the_nether', biome='minecraft:basalt_deltas'),
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'end': dict(b=dict(m1='minecraft:end_stone'), sky=0, light=0, y=60, dim='minecraft:the_end', biome='minecraft:the_end'),
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'end-lit': dict(b=dict(m1='minecraft:end_stone'), sky=0, light=14, y=60, dim='minecraft:the_end', biome='minecraft:end_highlands'),
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'ice-frozen': dict(b=dict(m1='minecraft:ice'), sky=15, y=63, surface=64, biome='minecraft:frozen_ocean'),
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'ice-plains': dict(b=dict(m1='minecraft:packed_ice'), sky=15, y=64, surface=64, biome='minecraft:snowy_plains'),
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'snow-block': dict(b=dict(m1='minecraft:snow_block'), sky=15, darken=11, y=70, surface=70, biome='minecraft:snowy_plains'),
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'snow-layer': dict(b=dict(m1='minecraft:grass_block[snowy=true]', p0='minecraft:snow'), sky=15, y=70, surface=71, biome='minecraft:snowy_taiga'),
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'powder-snow-stray': dict(b=dict(m1='minecraft:snow_block', p1='minecraft:powder_snow', p2='minecraft:powder_snow'), sky=15, darken=11, y=90, surface=93, biome='minecraft:frozen_peaks'),
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'sand-beach': dict(b=dict(m1='minecraft:sand'), sky=15, y=63, surface=64, biome='minecraft:beach'),
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'sand-desert': dict(b=dict(m1='minecraft:sand'), sky=15, darken=11, y=70, surface=70, biome='minecraft:desert'),
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'red-sand': dict(b=dict(m1='minecraft:red_sand'), sky=15, y=80, surface=80, biome='minecraft:badlands'),
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'leaves-jungle': dict(b=dict(m1='minecraft:jungle_leaves'), sky=15, y=90, surface=90, biome='minecraft:jungle'),
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'grass-jungle': dict(b=dict(m1='minecraft:grass_block'), sky=15, y=70, surface=70, biome='minecraft:jungle'),
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'mycelium': dict(b=dict(m1='minecraft:mycelium'), sky=15, y=70, surface=70, biome='minecraft:mushroom_fields'),
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'podzol': dict(b=dict(m1='minecraft:podzol'), sky=15, y=70, surface=70, biome='minecraft:old_growth_pine_taiga'),
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'mud-swamp': dict(b=dict(m1='minecraft:mud'), sky=15, y=62, surface=62, biome='minecraft:mangrove_swamp'),
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'stone-peaks': dict(b=dict(m1='minecraft:stone'), sky=15, y=160, surface=160, biome='minecraft:jagged_peaks'),
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'coarse-savanna': dict(b=dict(m1='minecraft:coarse_dirt'), sky=15, y=70, surface=70, biome='minecraft:savanna'),
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'slab-bottom': dict(b=dict(m1='minecraft:oak_slab[type=bottom]'), sky=0, y=40, surface=80),
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'slab-top': dict(b=dict(m1='minecraft:oak_slab[type=top]'), sky=0, y=40, surface=80),
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'glass': dict(b=dict(m1='minecraft:glass'), sky=0, y=40, surface=80),
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'glowstone': dict(b=dict(m1='minecraft:glowstone'), sky=0, light=15, y=40, surface=80),
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'fire': dict(b=dict(m1='minecraft:netherrack', p0='minecraft:fire'), sky=0, light=15, y=40, surface=80),
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'soul-fire': dict(b=dict(m1='minecraft:soul_soil', p0='minecraft:soul_fire'), sky=0, light=10, y=40, sea=32, dim='minecraft:the_nether', biome='minecraft:soul_sand_valley'),
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'wither-rose': dict(b=dict(m1='minecraft:grass_block', p0='minecraft:wither_rose'), sky=0, y=40, surface=80),
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'berry-bush': dict(b=dict(m1='minecraft:grass_block', p0='minecraft:sweet_berry_bush'), sky=15, y=70, surface=70, biome='minecraft:taiga'),
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'cactus': dict(b=dict(m1='minecraft:sand', p0='minecraft:cactus'), sky=0, y=70, surface=72, biome='minecraft:desert'),
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'powder-snow-feet': dict(b=dict(m1='minecraft:snow_block', p0='minecraft:powder_snow'), sky=15, darken=11, y=90, surface=91, biome='minecraft:snowy_slopes'),
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'campfire': dict(b=dict(m1='minecraft:stone', p0='minecraft:campfire[lit=true]'), sky=0, light=15, y=40, surface=80),
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'campfire-out': dict(b=dict(m1='minecraft:stone', p0='minecraft:campfire[lit=false]'), sky=0, y=40, surface=80),
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'rail': dict(b=dict(m1='minecraft:stone', p0='minecraft:rail'), sky=0, y=40, surface=80),
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'redstone-torch': dict(b=dict(m1='minecraft:stone', p0='minecraft:redstone_torch'), sky=0, light=7, y=40, surface=80),
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'tall-grass': dict(b=dict(m1='minecraft:grass_block', p0='minecraft:short_grass', p1='minecraft:air'), sky=15, darken=11, y=70, surface=70),
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'low-ceiling': dict(b=dict(m1='minecraft:stone', p1='minecraft:stone'), sky=0, y=40, surface=80),
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'swamp-surface': dict(b=dict(m1='minecraft:grass_block'), sky=15, darken=11, y=62, surface=63, biome='minecraft:swamp', slime=0.5),
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'swamp-full-moon': dict(b=dict(m1='minecraft:grass_block'), sky=15, darken=4, y=64, surface=65, biome='minecraft:swamp', slime=0.5),
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'swamp-new-moon': dict(b=dict(m1='minecraft:grass_block'), sky=15, darken=11, y=63, surface=64, biome='minecraft:swamp', slime=0.0),
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'bat-cave': dict(b=dict(m1='minecraft:stone'), sky=0, y=10, surface=80),
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'bat-surface': dict(b=dict(m1='minecraft:stone'), sky=0, y=79, surface=79),
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}
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REASONS = ['natural', 'natural', 'natural', 'chunk_generation', 'spawner', 'trial_spawner', 'reinforcement', 'patrol']
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def corpus(types):
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rng = random.Random(0x5350574E)
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cases = []
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for t in types:
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n = t.split(':')[1]
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for name, s in SCENARIOS.items():
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for k in range(3):
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kv = {k2: v for k2, v in s.items() if k2 != 'b'}
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kv.setdefault('y', 64)
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for key, block in s['b'].items():
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kv['at' + ('-' if key[0] == 'm' else '') + key[1:]] = block
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kv['reason'] = REASONS[k] if k == 0 else rng.choice(REASONS)
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kv['seed'] = rng.randrange(-2**47, 2**47)
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cases.append(f'{n}/{name}/{k} type={t} ' + ' '.join(f'{a}={b}' for a, b in kv.items()))
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# Slime chunks: deep caves at many chunk positions and world seeds.
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if n in ('slime', 'zombie'):
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for k in range(600 if n == 'slime' else 60):
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cases.append(f'{n}/slime-chunk/{k} type={t} at-1=minecraft:stone sky=0 y={rng.randrange(-60, 45)} '
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f'x={rng.randrange(-4000, 4000)} z={rng.randrange(-4000, 4000)} wseed={rng.randrange(-2**63, 2**63)} '
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f'seed={rng.randrange(-2**47, 2**47)} reason=natural surface=80')
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# Nearby players (silverfish and endermite refuse to spawn next to a targetable one).
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for k, player in enumerate(['1,0,1,survival', '1,0,1,creative', '4,0,4,survival', '3,1,3,adventure', '0,4.4,0,survival',
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'2,2,2,spectator']):
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cases.append(f'{n}/player/{k} type={t} at-1=minecraft:stone sky=0 y=20 surface=80 player={player} '
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f'seed={rng.randrange(-2**47, 2**47)} reason={rng.choice(REASONS)}')
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return cases
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--prepare', action='store_true')
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args = parser.parse_args()
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build = lab.LOCAL / 'rust-spawn-rules-parity'
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build.mkdir(parents=True, exist_ok=True)
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if args.prepare:
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lab.prepare()
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lock, jars, libraries = base.verify_artifacts()
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resources = lab.RESOURCES
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entity_types = json.loads((resources / 'entity-types.json').read_text())
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types = sorted(t for t, v in entity_types.items() if 'attributes' in v and t.split(':')[1] not in SKIPPED)
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oracle = lab.ROOT / 'mods/horizon/src/test/java/dev/horizonlab/parity/VanillaSpawnRulesOracle.java'
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sources = [oracle, Path(__file__), lab.ROOT / 'crates/horizon-client/examples/spawn_rules_fixture.rs',
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lab.ROOT / 'crates/horizon-client/src/mobs/spawn_rules.rs']
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tested = base.source_hashes(sources)
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inputs = build / 'inputs.txt'
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cases = corpus(types)
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inputs.write_text(''.join(line + '\n' for line in cases), encoding='utf-8')
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classes = build / 'classes'
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classes.mkdir(exist_ok=True)
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deps = os.pathsep.join(map(str, libraries))
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def run(command, name):
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with (build / (name + '.log')).open('w', encoding='utf-8') as log:
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base.run(list(map(str, command)), stdout=log, stderr=subprocess.STDOUT)
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run(['javac', '--release', lock['minecraft']['java_major'], '-proc:none', '-sourcepath', str(lab.ROOT / 'mods/horizon/src/test/java'),
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'-cp', str(jars['server']) + os.pathsep + deps, '-d', classes, oracle], 'compile-java')
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run(['java', '-Xmx2G', '-cp', os.pathsep.join([str(classes), str(jars['server']), deps]),
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'dev.horizonlab.parity.VanillaSpawnRulesOracle', inputs, build / 'server.txt'], 'server')
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run(['cargo', 'build', '--release', '-p', 'horizon-client', '--example', 'spawn_rules_fixture'], 'compile-rust')
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metadata = json.loads(subprocess.check_output(['cargo', 'metadata', '--no-deps', '--format-version', '1'], cwd=lab.ROOT, text=True))
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binary = Path(metadata['target_directory']) / 'release/examples/spawn_rules_fixture'
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run([binary, resources, inputs, build / 'rust.txt'], 'rust')
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vanilla = (build / 'server.txt').read_text().splitlines()
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errors = [l for l in vanilla if ' error ' in l]
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if errors:
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raise SystemExit(f'oracle errors ({len(errors)}): {errors[:5]}')
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rust = (build / 'rust.txt').read_text().splitlines()
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bad = [(a, b) for a, b in zip(vanilla, rust) if a != b]
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if bad or len(vanilla) != len(rust):
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report = '\n'.join(f' vanilla {a}\n rust {b}' for a, b in bad[:40])
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raise SystemExit(f'{len(bad)} of {len(vanilla)} cases differ (rust {len(rust)} lines):\n{report}')
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base.ensure_sources_unchanged(sources, tested)
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lab.write_json(build / 'report.json', {
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'schema': 1, 'minecraft': lock['minecraft']['version'], 'platform': platform.platform(), 'cases': len(cases),
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'types': len(types), 'scenarios': sorted(SCENARIOS), 'sources_sha256': tested,
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'scope': 'SpawnPlacements.isSpawnPositionOk (placement types, isValidSpawn, isValidEmptySpawnBlock with per-type '
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'dangerous blocks) and checkSpawnRules (every registered predicate, peaceful, spawn reasons) with the '
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'random draw count.'})
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print(f'{len(cases):,} spawn rule cases over {len(types)} entity types match vanilla')
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if __name__ == '__main__':
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main()
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