A Minecraft Java Edition snapshot for 1.13

1.13 is getting closer and closer! This weeks snapshot brings some new improvements to the /execute command and a bunch of bug fixes!

Changes in 18w02a

• Added new block tag minecraft:enderman_holdable
• Changed translation files from .lang (key=value) to .json ("key": "value")
• Errors during a command are now a nicer error message (with tooltip for more info)
• Teleporting to things in other dimensions is now allowed
• /teleport has been simplified a bit, to avoid ambiguity
• Added anchor points to teleport ... facing ..., so you can look at eyes vs feet
• Added new subcommands to /execute to allow for more control over commands
• Server commands (functions, console, rcon) now run from world spawn in the overworld
• Fixed bug MC-68446 – Some entities have missing translations string in the lang files
• Fixed bug MC-121662 – Unhandled exceptions in commands just dump the exception into chat, without the “unknown error” message
• Fixed bug MC-122579 – All COLOR_wall_banners are missing translation keys
• Fixed bug MC-122608 – Minecraft crashes when typing in a block-related command in front of an entity
• Fixed bug MC-122610 – Giving 0 of any item results in the chat message saying that you got 0 air
• Fixed bug MC-122893 – “/execute as/at” does not change the dimension of execution
• Fixed bug MC-122956 – Function paths with invalid characters results in game freezing
• Fixed bug MC-123104 – ‘/scoreboard players reset’ removes name from sidebar of different objective
• Fixed bug MC-123764 – Single player menu world version not displaying correctly
• Fixed bug MC-123771 – Server crashes when an item frame with a map is loaded, and no player has that map in their inventory
• Fixed bug MC-123774 – You cannot test for names with name= anymore
• Fixed bug MC-123782 – Game crashes if an item has a name that’s invalid json
• Fixed bug MC-123790 – “italic”:false in custom item names does not make name non-italic
• Fixed bug MC-123832 – Crash reports output TextComponent object for entity names rather than its text
• Fixed bug MC-123833 – Connect/Disconnect messages output TextComponent object rather than the player’s name
• Fixed bug MC-123888 – /clear on a player with no items dumps raw TextComponent
• Fixed bug MC-123891 – NullPointerException on empty TextComponent
• Fixed bug MC-123932 – You cannot open locked containers with the Lock nbt anymore
• Fixed bug MC-123943 – Clicking a player’s name in chat dumps raw TextComponent
• Fixed bug MC-123974 – Command List DataProvider incorrectly labeled as “Item List”
• Fixed bug MC-124051 – Varieties of /teleport create ambiguities for tab-completion

Translations

We’ve changed our translation file format from key=value to json. This means we can support newlines! The new files look like this: {"thing": "Thing", "key": "Value", "some.translation": "Text Of Translation"}

We will pull in the latest translations from the crowdin project soon. Remember that you can help out by translating the game to your native language over there!

Command changes

/execute

• facing <x y z> will run the command as though you’re facing x y z
• facing entity <entity> (eyes|feet) will run the command as though you’re facing the entity’s eyes or feet
• offset <x y z> has been renamed to positioned x y z
• positioned as <entity> will change the command position (x y z) but nothing else
• rotated as <entity> or rotated y x will run the command as though you’re rotated in that direction
• in (overworld|the_end|the_nether) will run the command as though it’s in that dimension
• at <entity> will change the dimension, position and rotation of the command to match that entity
• (if|unless) score <name> <objective> matches <range> will test for a score in a range (ie 1, 1..5)
• anchored (feet|eyes) will make the rest of this command use feet or eyes for ^ ^ ^ coordinates or facing commands

/teleport

• /teleport <entity> doesn’t allow rotation or facing, will teleport you to the entity
• /teleport <x y z> doesn’t allow rotation or facing, will teleport you to the position
• /teleport <victim> <entity> doesn’t allow rotation or facing, will teleport victim to entity
• /teleport <victim> <x y z> [yRot xRot] will teleport you to that position with optional rotation
• /teleport <victim> <x y z> facing [xFacing yFacing zFacing] will teleport you to that position facing another position
• /teleport <victim> <x y z> facing entity <entityFacing> [feet|eyes] will teleport you to that position facing an entity’s feet or eyes (default feet)
• Teleporting to an entity in another dimension is now totally allowed. Hurrah!
• You can also teleport to another dimension using something like /execute in the_nether run teleport 0 64 0

Local coordinates (^ ^ ^)

If you use a local coordinate in a command, it comes from your feet by default. That means that ^ ^ ^ is at the bottom center of your entity, and ^ ^ ^10 is where your feet are looking, 10 blocks forwards.

You can change this for a command by changing the “anchor point” in /execute, like this: /execute anchored eyes. For example, the following command will place particles 10 blocks forwards where every entity is looking, which for players is the same point where their mouse cursor is: /execute as @e at @s anchored eyes run particle minecraft:flame ^ ^ ^10 0 0 0 0 1

Want to know exactly what this command does? Let’s take a look!

• /execute as @e makes the following run once for every entity
• at @s makes the following run at the location of the current entity
• anchored eyes makes ^ ^ ^ in the following command come from the entities eyes (which means exactly where they’re looking)
• run particle minecraft:flame will spawn the minecraft:flame particle
• ^ ^ ^10 will make that particle appear 10 blocks forwards of the current position (which is the current entity’s eyes)
• 0 0 0 means we don’t want the particle to move around
• 0 1 means we want exactly 1 particle, with no speed

Snapshots can corrupt your world, please backup and/or run them in a different folder from your main worlds.

Cross-platform server jar:

• Minecraft server jar