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horizon-airdef/tools/datafix_scene.py
T
Ludovic Marie 139c5abd1c Port the DataFixers of 1.19 to 1.20 for worlds from 1.18.2 on 
The fixes from 3076 to 3459 (game event, cat, frog, painting, goat, goat
horn, filtered text, POI, blending, spawn egg, effect duration, archaeology,
double-sided signs, the 1.20 experiment and chunk statuses), the block
entities their schemas add, and block entities' remainders (a decorated
pot's shards stay next to its sherds). The sample world generator logs in
to 1.18.2 to 1.19.4 servers and gates the scene by version.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-11 15:50:56 +02:00

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"""Scenes for tools/datafix_worlds.py: block entities, entities and items in the save
formats of older game versions, placed by console commands of that version.
Three syntax eras matter for the commands:
A before 1.20.5 (DataVersion < 3818): item `tag` NBT, `Count`, JSON text strings
B 1.20.5 to 1.21.4 (< 4325): item components, JSON text strings
C 1.21.5 and later: item components, SNBT text components, `equipment`
Every entry is (minimum DataVersion, command template). `{x} {y} {z}` are filled
with a free position; entities get a fixed UUID so outputs can be matched.
"""
A, B, C = 'A', 'B', 'C'
def era(version):
return A if version < 3818 else B if version < 4325 else C
def text(e, s):
"""A text component value for NBT: JSON string (A/B) or SNBT compound (C)."""
if e == C:
return '{text:"%s"}' % s
return "'{\"text\":\"%s\"}'" % s
# ------------------------------------------------------------------ items, era A
ITEMS_A = [
'{id:"minecraft:diamond_sword",Count:1b,tag:{Damage:5,RepairCost:3,Unbreakable:1b,HideFlags:255,'
'Enchantments:[{id:"minecraft:sharpness",lvl:3s},{id:"minecraft:sweeping",lvl:2s}],'
'display:{Name:\'{"text":"Blade","color":"red","italic":false}\',Lore:[\'{"text":"line one"}\',\'"plain"\']},'
'AttributeModifiers:[{AttributeName:"generic.attack_damage",Name:"x",Amount:2.5d,Operation:0,'
'UUID:[I;1,2,3,4],Slot:"mainhand"}],CustomModelData:7}}',
'{id:"minecraft:enchanted_book",Count:1b,tag:{StoredEnchantments:[{id:"minecraft:mending",lvl:1s}]}}',
'{id:"minecraft:written_book",Count:1b,tag:{title:"Title",author:"Me",generation:1,resolved:1b,'
'pages:[\'{"text":"page one","bold":true}\',\'{"text":"two","clickEvent":{"action":"change_page","value":"2"},'
'"hoverEvent":{"action":"show_text","value":"hi"}}\'],filtered_pages:{"1":\'"f"\'}}}',
'{id:"minecraft:writable_book",Count:1b,tag:{pages:["draft one","draft two"]}}',
'{id:"minecraft:potion",Count:1b,tag:{Potion:"minecraft:strong_healing",CustomPotionColor:255}}',
'{id:"minecraft:splash_potion",Count:1b,tag:{CustomPotionEffects:[{Id:1b,Amplifier:1b,Duration:200}]}}',
'{id:"minecraft:tipped_arrow",Count:5b,tag:{Potion:"minecraft:poison"}}',
'{id:"minecraft:suspicious_stew",Count:1b,tag:{Effects:[{EffectId:3,EffectDuration:160}]}}',
'{id:"minecraft:firework_rocket",Count:3b,tag:{Fireworks:{Flight:2b,Explosions:[{Type:1b,Colors:[I;255],'
'FadeColors:[I;16711680],Trail:1b,Flicker:0b}]}}}',
'{id:"minecraft:firework_star",Count:1b,tag:{Explosion:{Type:3b,Colors:[I;65280]}}}',
'{id:"minecraft:player_head",Count:1b,tag:{SkullOwner:{Name:"Notch",Id:[I;1,2,3,4],'
'Properties:{textures:[{Value:"abc",Signature:"sig"}]}}}}',
'{id:"minecraft:player_head",Count:1b,tag:{SkullOwner:"jeb_"}}',
'{id:"minecraft:filled_map",Count:1b,tag:{map:3,display:{MapColor:255},Decorations:[{id:"x",type:9b,x:1.0d,z:2.0d,rot:180.0d}]}}',
'{id:"minecraft:compass",Count:1b,tag:{LodestonePos:{X:1,Y:2,Z:3},LodestoneDimension:"minecraft:overworld",LodestoneTracked:0b}}',
'{id:"minecraft:crossbow",Count:1b,tag:{Charged:1b,ChargedProjectiles:[{id:"minecraft:arrow",Count:1b}]}}',
'{id:"minecraft:shield",Count:1b,tag:{BlockEntityTag:{Base:4,Patterns:[{Pattern:"cre",Color:15},{Pattern:"bs",Color:1}]}}}',
'{id:"minecraft:white_banner",Count:1b,tag:{BlockEntityTag:{Patterns:[{Pattern:"mr",Color:9}]},'
'display:{Name:\'{"translate":"block.minecraft.ominous_banner","color":"gold"}\'}}}',
'{id:"minecraft:red_shulker_box",Count:1b,tag:{BlockEntityTag:{Items:[{Slot:3b,id:"minecraft:stone",Count:9b},'
'{Slot:0b,id:"minecraft:golden_apple",Count:2b,tag:{display:{Name:\'"Gold"\'}}}],Lock:"key",'
'CustomName:\'{"text":"Box"}\'}}}',
'{id:"minecraft:chest",Count:1b,tag:{BlockEntityTag:{LootTable:"minecraft:chests/simple_dungeon",LootTableSeed:5L}}}',
'{id:"minecraft:pig_spawn_egg",Count:1b,tag:{EntityTag:{CustomName:\'"Babe"\',Age:-24000}}}',
'{id:"minecraft:armor_stand",Count:1b,tag:{EntityTag:{Small:1b}}}',
'{id:"minecraft:pig_spawn_egg",Count:1b,tag:{EntityTag:{id:"minecraft:cow"}}}',
'{id:"minecraft:leather_chestplate",Count:1b,tag:{display:{color:16711680},'
'Trim:{material:"minecraft:gold",pattern:"minecraft:coast"}}}',
'{id:"minecraft:goat_horn",Count:1b,tag:{instrument:"minecraft:sing_goat_horn"}}',
'{id:"minecraft:axolotl_bucket",Count:1b,tag:{Variant:2,Age:-100,Health:7.0f,NoAI:1b}}',
'{id:"minecraft:tropical_fish_bucket",Count:1b,tag:{BucketVariantTag:65536}}',
'{id:"minecraft:knowledge_book",Count:1b,tag:{Recipes:["minecraft:stone"]}}',
'{id:"minecraft:debug_stick",Count:1b,tag:{DebugProperty:{"minecraft:oak_stairs":"facing"}}}',
'{id:"minecraft:diamond_pickaxe",Count:1b,tag:{CanDestroy:["minecraft:stone","#minecraft:logs",'
'"minecraft:oak_stairs[facing=east]"],HideFlags:8}}',
'{id:"minecraft:stone",Count:4b,tag:{CanPlaceOn:["minecraft:dirt"],BlockStateTag:{}}}',
'{id:"minecraft:oak_slab",Count:1b,tag:{BlockStateTag:{type:"top",waterlogged:1b}}}',
'{id:"minecraft:grass",Count:2b}',
'{id:"minecraft:scute",Count:2b}',
'{id:"minecraft:chain",Count:1b}',
'{id:"minecraft:decorated_pot",Count:1b,tag:{BlockEntityTag:{sherds:["minecraft:brick","minecraft:angler_pottery_sherd",'
'"minecraft:brick","minecraft:arms_up_pottery_sherd"]}}}',
'{id:"minecraft:beehive",Count:1b,tag:{BlockEntityTag:{Bees:[{EntityData:{id:"minecraft:bee"},TicksInHive:3,'
'MinOccupationTicks:600}]}}}',
'{id:"minecraft:cooked_beef",Count:64b,tag:{custom:"data",nested:{a:1}}}',
'{id:"minecraft:iron_sword",Count:1b,tag:{Enchantments:[]}}',
'{id:"minecraft:bow",Count:1b,tag:{Enchantments:[{id:"minecraft:power",lvl:0s}],HideFlags:1}}',
]
# ------------------------------------------------------------------ items, era B/C
ITEMS_B = [
'{id:"minecraft:diamond_sword",count:1,components:{"minecraft:damage":5,"minecraft:repair_cost":3,'
'"minecraft:unbreakable":{show_in_tooltip:false},"minecraft:enchantments":{levels:{"minecraft:sharpness":3}},'
'"minecraft:custom_name":\'{"text":"Blade","color":"red"}\',"minecraft:lore":[\'"plain"\'],'
'"minecraft:attribute_modifiers":{modifiers:[{type:"minecraft:generic.attack_damage",id:"minecraft:x",'
'amount:2.5d,operation:"add_value",slot:"mainhand"}]}}}',
'{id:"minecraft:written_book",count:1,components:{"minecraft:written_book_content":{title:{raw:"T"},author:"Me",'
'pages:[{raw:\'{"text":"p1","clickEvent":{"action":"run_command","value":"/say hi"}}\'}]}}}',
'{id:"minecraft:potion",count:1,components:{"minecraft:potion_contents":{potion:"minecraft:healing"}}}',
'{id:"minecraft:white_banner",count:1,components:{"minecraft:banner_patterns":[{pattern:"minecraft:creeper",color:"black"}],'
'"minecraft:item_name":\'{"translate":"block.minecraft.ominous_banner"}\',"minecraft:rarity":"uncommon"}}',
'{id:"minecraft:red_shulker_box",count:1,components:{"minecraft:container":[{slot:0,item:{id:"minecraft:stone",count:3}}],'
'"minecraft:lock":"key"}}',
'{id:"minecraft:apple",count:2,components:{"minecraft:food":{nutrition:4,saturation:2.4f,can_always_eat:true,'
'eat_seconds:1.0f}}}',
'{id:"minecraft:netherite_sword",count:1,components:{"minecraft:fire_resistant":{}}}',
'{id:"minecraft:stick",count:1,components:{"minecraft:custom_model_data":5}}',
'{id:"minecraft:pig_spawn_egg",count:1,components:{"minecraft:entity_data":{id:"minecraft:pig",Age:-200}}}',
'{id:"minecraft:diamond_helmet",count:1,components:{"minecraft:hide_additional_tooltip":{},'
'"minecraft:trim":{material:"minecraft:gold",pattern:"minecraft:coast",show_in_tooltip:false}}}',
'{id:"minecraft:decorated_pot",count:1,components:{"minecraft:pot_decorations":["minecraft:brick",'
'"minecraft:angler_pottery_sherd"]}}',
'{id:"minecraft:chain",count:1}',
]
ITEMS_C = [
'{id:"minecraft:diamond_sword",count:1,components:{"minecraft:damage":5,'
'"minecraft:custom_name":{text:"Blade",color:"red"},"minecraft:tooltip_display":{hidden_components:["minecraft:damage"]}}}',
'{id:"minecraft:written_book",count:1,components:{"minecraft:written_book_content":{title:{raw:"T"},author:"Me",'
'pages:[{raw:{text:"p1",click_event:{action:"change_page",page:2}}}]}}}',
'{id:"minecraft:decorated_pot",count:1,components:{"minecraft:pot_decorations":["minecraft:brick",'
'"minecraft:angler_pottery_sherd"]}}',
'{id:"minecraft:filled_map",count:1,components:{"minecraft:map_id":2,"minecraft:map_color":255}}',
'{id:"minecraft:chain",count:1}',
'{id:"minecraft:name_tag",count:1,components:{"minecraft:custom_name":"Bob"}}',
]
def experiments(version):
"""Experimental data packs a world of `version` turns on, so that the blocks behind
them exist and the feature-flag fixes have flags to remove."""
packs = []
if 3218 <= version < 3440:
packs.append('update_1_20')
if 3698 <= version < 3939:
packs.append('update_1_21')
if 3700 <= version < 4067:
packs.append('bundle')
if 4080 <= version < 4180:
packs.append('winter_drop')
return packs
def items(e, version=None):
"""The sample stacks of an era, in the exact component formats `version` accepts."""
stacks = ITEMS_A if e == A else ITEMS_B if e == B else ITEMS_C
if version is None:
return stacks
return [v for v in (versioned(s, version) for s in stacks) if available(v, version)]
# Items era A worlds older than each DataVersion do not have.
ITEM_SINCE = {
'minecraft:goat_horn': 3105,
'minecraft:decorated_pot': 3327,
}
def available(stack, version):
return all(version >= since for item, since in ITEM_SINCE.items() if f'"{item}"' in stack)
def versioned(stack, version):
"""Rewrite the components whose format changed inside an era."""
if version < 3448: # 1.19.4: pots hold shards, sherds were pottery_shard_*
stack = (stack.replace('sherds:', 'shards:')
.replace('"minecraft:angler_pottery_sherd"', '"minecraft:pottery_shard_prize"')
.replace('"minecraft:arms_up_pottery_sherd"', '"minecraft:pottery_shard_arms_up"')
.replace('"minecraft:skull_pottery_sherd"', '"minecraft:pottery_shard_skull"'))
if version >= 4541: # chain renamed to iron_chain
stack = stack.replace('"minecraft:chain"', '"minecraft:iron_chain"')
if '"minecraft:attribute_modifiers"' in stack:
if version < 3945: # 1.20.5: modifiers are named and carry a UUID
stack = stack.replace('id:"minecraft:x",', 'uuid:[I;1,2,3,4],name:"x",')
if version >= 4055: # 1.21.2: attribute ids lose their generic. prefix
stack = stack.replace('minecraft:generic.attack_damage', 'minecraft:attack_damage')
if version >= 4068: # 1.21.2: a lock is an item predicate
stack = stack.replace('"minecraft:lock":"key"', '"minecraft:lock":{items:"minecraft:stick"}')
if version >= 4064: # 1.21.2: fire_resistant became damage_resistant
stack = stack.replace('"minecraft:fire_resistant":{}', '"minecraft:damage_resistant":{types:"#minecraft:is_fire"}')
if version >= 4059: # 1.21.2: food lost eat_seconds (now in consumable)
stack = stack.replace(',eat_seconds:1.0f', '')
if version >= 4175: # 1.21.4: custom model data holds lists
stack = stack.replace('"minecraft:custom_model_data":5', '"minecraft:custom_model_data":{floats:[5.0f]}')
return stack
def slotted(stacks):
out = []
for i, s in enumerate(stacks[:27]):
out.append(s[:1] + f'Slot:{i}b,' + s[1:])
return '[' + ','.join(out) + ']'
def chests(e, version=None):
"""Chests holding every sample item (27 per chest)."""
st = items(e, version)
return [st[i:i + 27] for i in range(0, len(st), 27)]
# ------------------------------------------------------------------ block entities
def block_entities(e, version):
name = lambda s: text(e, s)
out = []
for group in chests(e, version):
out.append(('chest', f'{{Items:{slotted(group)},CustomName:{name("Stash")}}}'))
sign_a = ('{front_text:{messages:[\'{"text":"one"}\',\'"two"\',\'""\',\'""\'],color:"red",has_glowing_text:1b},'
'back_text:{messages:[\'"b"\',\'""\',\'""\',\'""\'],filtered_messages:[\'"x"\',\'""\',\'""\',\'""\']},'
'is_waxed:1b}')
sign_c = ('{front_text:{messages:[{text:"one"},"two","",""],color:"red",has_glowing_text:1b},'
'back_text:{messages:["b","","",""]},is_waxed:1b}')
# Before 1.20 (3439) a sign has one side of loose Text fields.
sign_old = ('{Text1:\'{"text":"one"}\',Text2:\'"two"\',Text3:\'""\',Text4:\'""\',Color:"red",GlowingText:1b,'
'FilteredText1:\'"x"\'}')
sign = sign_c if e == C else sign_a if version >= 3439 else sign_old
out.append(('oak_sign', sign))
if version >= 3218: # hanging signs: 1.19.3 with the 1.20 experiment
out.append(('oak_hanging_sign', sign))
if e == A:
out += [
('white_banner', '{Patterns:[{Pattern:"cre",Color:15}],CustomName:\'{"translate":"block.minecraft.ominous_banner"}\'}'),
('player_head', '{SkullOwner:{Name:"Notch",Id:[I;1,2,3,4]}}'),
('decorated_pot', '{sherds:["minecraft:brick","minecraft:skull_pottery_sherd","minecraft:brick","minecraft:brick"]}'),
('beehive', '{Bees:[{EntityData:{id:"minecraft:bee",CustomName:\'"Bz"\'},TicksInHive:2,MinOccupationTicks:400}],'
'FlowerPos:{X:1,Y:2,Z:3}}'),
('furnace', '{BurnTime:100s,CookTime:20s,CookTimeTotal:200s,Items:[{Slot:0b,id:"minecraft:iron_ore",Count:3b}],'
'RecipesUsed:{"minecraft:iron_ingot":2}}'),
('jukebox', '{RecordItem:{id:"minecraft:music_disc_cat",Count:1b},RecordStartTick:100L,TickCount:250L,IsPlaying:1b}'),
('suspicious_sand', '{item:{id:"minecraft:emerald",Count:1b}}'),
('lectern', '{Book:{id:"minecraft:written_book",Count:1b,tag:{title:"L",author:"A",pages:[\'"x"\']}},Page:0}'),
('spawner', '{SpawnData:{entity:{id:"minecraft:zombie",ArmorItems:[{},{},{},{id:"minecraft:iron_helmet",Count:1b}]}},'
'SpawnPotentials:[{weight:1,data:{entity:{id:"minecraft:skeleton"}}}]}'),
('command_block', '{Command:"say hi",CustomName:\'"Cmd"\',LastOutput:\'{"text":"out"}\'}'),
('end_gateway', '{ExitPortal:{X:1,Y:70,Z:2},ExactTeleport:1b,Age:5L}'),
('chiseled_bookshelf', '{Items:[{Slot:1b,id:"minecraft:book",Count:1b}],last_interacted_slot:1}'),
('campfire', '{Items:[{Slot:0b,id:"minecraft:beef",Count:1b}],CookingTimes:[I;5,0,0,0],CookingTotalTimes:[I;600,0,0,0]}'),
('hopper', '{Items:[{Slot:0b,id:"minecraft:stone",Count:1b}],Lock:"key"}'),
('structure_block', '{name:"x:y",posX:1,posY:2,posZ:3,sizeX:4,sizeY:5,sizeZ:6,mode:"SAVE"}'),
('skeleton_skull', '{}'),
]
if version >= 3682:
out.append(('crafter', '{Items:[{Slot:0b,id:"minecraft:stone",Count:1b}],triggered:1,crafting_ticks_remaining:2}'))
# Blocks the 1.20 experiment brought in 1.19.3 and 1.19.4.
since = {'decorated_pot': 3327, 'suspicious_sand': 3327, 'chiseled_bookshelf': 3218}
out = [(b, versioned(nbt, version)) for b, nbt in out if version >= since.get(b, 0)]
else:
out += [
('white_banner', '{patterns:[{pattern:"minecraft:creeper",color:"black"}],CustomName:%s}' % name("Flag")),
('player_head', '{profile:{name:"Notch"}}'),
('decorated_pot', '{sherds:["minecraft:brick","minecraft:skull_pottery_sherd","minecraft:brick","minecraft:brick"]}'),
('furnace', '{BurnTime:100s,CookTime:20s,CookTimeTotal:200s,Items:[{Slot:0b,id:"minecraft:iron_ore",count:3}]}'
if version < 4181 else '{lit_time_remaining:100s,cooking_time_spent:20s,cooking_total_time:200s}'),
('jukebox', '{RecordItem:{id:"minecraft:music_disc_cat",count:1},ticks_since_song_started:5L}'),
('trial_spawner', '{required_player_range:10}'),
('vault', '{config:{key_item:{id:"minecraft:trial_key",count:1}}}'),
('crafter', '{Items:[{Slot:0b,id:"minecraft:stone",count:1}],triggered:1}'),
('spawner', '{SpawnData:{entity:{id:"minecraft:zombie"}}}'),
('hopper', '{Items:[{Slot:0b,id:"minecraft:stone",count:1}],lock:{items:"minecraft:stick"}}'
if version >= 4068 else '{Items:[{Slot:0b,id:"minecraft:stone",count:1}],Lock:"key"}'),
]
if version >= 4071:
out.append(('creaking_heart', ''))
if version >= 4533:
out.append(('oak_shelf', '{Items:[{Slot:0b,id:"minecraft:apple",count:1}]}'))
if version >= 4532:
out.append(('copper_golem_statue', ''))
return out
# ------------------------------------------------------------------ entities
def entities(e, version):
"""(id, SNBT fields) for summon; item fields in the era's form."""
if e == A:
sword = '{id:"minecraft:iron_sword",Count:1b,tag:{display:{Name:\'"S"\'}}}'
helmet = '{id:"minecraft:iron_helmet",Count:1b}'
out = [
('zombie', f'ArmorItems:[{{}},{{}},{{}},{helmet}],HandItems:[{sword},{{}}],ArmorDropChances:[0.1f,0.1f,0.1f,2.0f],'
'HandDropChances:[1.0f,0.085f],CustomName:\'"Zed"\''),
('villager', 'VillagerData:{profession:"minecraft:farmer",level:2,type:"minecraft:plains"},Xp:3,'
'Offers:{Recipes:[{buy:{id:"minecraft:wheat",Count:20b},buyB:{id:"minecraft:air",Count:1b},'
'sell:{id:"minecraft:emerald",Count:1b},maxUses:16,uses:1}]},Inventory:[{id:"minecraft:bread",Count:3b}]'),
('horse', 'Tame:1b,SaddleItem:{id:"minecraft:saddle",Count:1b},ArmorItem:{id:"minecraft:iron_horse_armor",Count:1b},'
'Attributes:[{Name:"minecraft:horse.jump_strength",Base:0.7d},{Name:"minecraft:generic.max_health",Base:20.0d,'
'Modifiers:[{Name:"m",Amount:1.0d,Operation:0,UUID:[I;5,6,7,8]}]}]'),
('llama', 'ChestedHorse:1b,Items:[{Slot:2b,id:"minecraft:apple",Count:1b}],DecorItem:{id:"minecraft:red_carpet",Count:1b}'),
('donkey', 'ChestedHorse:1b,Items:[{Slot:2b,id:"minecraft:apple",Count:1b}],SaddleItem:{id:"minecraft:saddle",Count:1b}'),
('wolf', 'Health:15.0f,Owner:[I;1,2,3,4],CollarColor:3b'),
('salmon', ''),
('armor_stand', f'ArmorItems:[{{}},{{}},{{}},{helmet}],HandItems:[{sword},{{}}],Small:1b'),
('item_frame', f'Item:{sword},Facing:3b'),
('item', 'Item:{id:"minecraft:written_book",Count:1b,tag:{pages:[\'"p"\'],title:"t",author:"a"}},PickupDelay:10s'),
('arrow', 'inGround:1b,Potion:"minecraft:poison",CustomPotionEffects:[{Id:19b,Duration:100}]'),
('trident', 'Trident:{id:"minecraft:trident",Count:1b},inGround:1b'),
('area_effect_cloud', 'Potion:"minecraft:healing",Particle:"entity_effect",Radius:2.0f,Duration:600'),
('potion', 'Item:{id:"minecraft:splash_potion",Count:1b,tag:{Potion:"minecraft:swiftness"}}'),
('falling_block', 'BlockState:{Name:"minecraft:sand"},Time:-1000,NoGravity:1b'),
('tnt', 'Fuse:80s'),
('tnt_minecart', 'TNTFuse:40'),
('chest_minecart', 'Items:[{Slot:0b,id:"minecraft:apple",Count:1b}]'),
('boat', 'Type:"spruce"'),
('chest_boat', 'Type:"birch",Items:[{Slot:0b,id:"minecraft:apple",Count:1b}]'),
('text_display', 'text:\'{"text":"Hi","bold":true}\''),
('item_display', 'item:{id:"minecraft:stone",Count:1b}'),
('pig', 'Saddle:1b'),
('cat', 'variant:"minecraft:black"'),
('fox', 'Type:"red"'),
('zombie_villager', 'VillagerData:{profession:"minecraft:none",level:1,type:"minecraft:plains"}'),
('wandering_trader', ''),
('piglin', 'Inventory:[{id:"minecraft:gold_ingot",Count:2b}]'),
('firework_rocket', 'FireworksItem:{id:"minecraft:firework_rocket",Count:1b,tag:{Fireworks:{Flight:1b}}}'),
('allay', 'Inventory:[{id:"minecraft:diamond",Count:1b}]'),
('goat', ''),
]
since = {'allay': 3105, 'chest_boat': 3105, 'text_display': 3325, 'item_display': 3325}
out = [(k, x) for k, x in out if version >= since.get(k, 0)]
if version < 3086: # cats before 1.19 have a numeric CatType
out = [(k, 'CatType:1' if k == 'cat' else x) for k, x in out]
if 3105 <= version < 3322: # darkness counts its factor from a timestamp before 1.19.4
out.append(('pig', 'ActiveEffects:[{Id:33b,Amplifier:0b,Duration:200,ShowParticles:1b,'
'FactorCalculationData:{padding_duration:22,factor_start:0.0f,factor_target:1.0f,'
'factor_current:0.0f,effect_changed_timestamp:5,factor_previous_frame:0.0f,'
'had_effect_last_tick:0b}}]'))
return out
sword = '{id:"minecraft:iron_sword",count:1}'
helmet = '{id:"minecraft:iron_helmet",count:1}'
name = lambda s: text(e, s)
if e == B:
out = [
('zombie', f'ArmorItems:[{{}},{{}},{{}},{helmet}],HandItems:[{sword},{{}}],ArmorDropChances:[0.1f,0.1f,0.1f,2.0f],'
f'CustomName:{name("Zed")}'),
('horse', 'Tame:1b,SaddleItem:{id:"minecraft:saddle",count:1},body_armor_item:{id:"minecraft:iron_horse_armor",count:1}'),
('llama', 'ChestedHorse:1b,Items:[{Slot:2b,id:"minecraft:apple",count:1}],body_armor_item:{id:"minecraft:red_carpet",count:1}'),
('area_effect_cloud', 'potion_contents:{potion:"minecraft:healing"},Particle:{type:"minecraft:entity_effect",color:255},Duration:600'),
('potion', 'Item:{id:"minecraft:lingering_potion",count:1}'),
('tnt_minecart', 'TNTFuse:40' if version < 4173 else 'fuse:40'),
('salmon', ''),
('item_frame', f'Item:{sword},Facing:3b'),
('arrow', 'inGround:1b,item:{id:"minecraft:arrow",count:1}'),
('text_display', f'text:{name("Hi")}'),
('villager', 'VillagerData:{profession:"minecraft:farmer",level:2,type:"minecraft:plains"}'),
('pig', 'Saddle:1b'),
('falling_block', 'BlockState:{Name:"minecraft:sand"},Time:-1000,NoGravity:1b'),
]
if version >= 4067:
out.append(('pale_oak_chest_boat' if version >= 4070 else 'oak_chest_boat', 'Items:[{Slot:0b,id:"minecraft:apple",count:1}]'))
else:
out.append(('chest_boat', 'Type:"birch",Items:[{Slot:0b,id:"minecraft:apple",count:1}]'))
return out
out = [
('zombie', f'equipment:{{head:{helmet},mainhand:{sword}}},drop_chances:{{head:2.0f}},CustomName:{name("Zed")}'),
('horse', 'Tame:1b,equipment:{saddle:{id:"minecraft:saddle",count:1},body:{id:"minecraft:iron_horse_armor",count:1}}'),
('area_effect_cloud', 'potion_contents:{potion:"minecraft:healing"},Duration:600'),
('splash_potion' if version >= 4306 else 'potion', 'Item:{id:"minecraft:splash_potion",count:1}'),
('tnt_minecart', 'fuse:40'),
('text_display', f'text:{name("Hi")}'),
('villager', 'VillagerData:{profession:"minecraft:farmer",level:2,type:"minecraft:plains"}'),
('falling_block', 'BlockState:{Name:"minecraft:sand"},Time:-1000,NoGravity:1b'),
('trident', 'item:{id:"minecraft:trident",count:1},inGround:1b'),
]
if version >= 4531:
out.append(('copper_golem', ''))
if version >= 4543:
out.append(('mannequin', ''))
return out
def player_commands(e, name, version=None):
"""Give the joined bot a varied inventory and ender chest."""
out = []
stacks = items(e, version)
for i, stack in enumerate(stacks[:30]):
out.append(f'item replace entity {name} container.{i} with {give_form(e, stack)}')
out.append(f'item replace entity {name} enderchest.0 with {give_form(e, stacks[0])}')
out.append(f'item replace entity {name} armor.head with minecraft:iron_helmet')
out.append(f'xp set {name} 5 levels')
return out
def give_form(e, stack):
"""`item replace ... with` argument from a stack SNBT: id plus tag/components."""
import re
m = re.match(r'\{id:"([^"]+)",(?:Count:(\d+)b|count:(\d+))(?:,(tag|components):(.*))?\}$', stack, re.S)
item, count = m.group(1), m.group(2) or m.group(3)
if m.group(4) == 'tag':
return f'{item}{m.group(5)} {count}'
if m.group(4) == 'components':
body = m.group(5)[1:-1]
parts = split_top(body)
comps = []
for p in parts:
if p.startswith('"'):
end = p.index('"', 1)
key, value = p[1:end], p[end + 1:].lstrip()[1:]
else:
key, value = p.split(':', 1)
comps.append(f'{key}={value.strip()}')
comps = ','.join(comps)
return f'{item}[{comps}] {count}'
return f'{item} {count}'
def split_top(s):
"""Split SNBT compound contents at top-level commas."""
out, depth, cur, q = [], 0, '', None
for ch in s:
if q:
cur += ch
if ch == q:
q = None
continue
if ch in '"\'':
q = ch
elif ch in '{[':
depth += 1
elif ch in '}]':
depth -= 1
elif ch == ',' and depth == 0:
out.append(cur)
cur = ''
continue
cur += ch
if cur:
out.append(cur)
return out
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