122 lines
6.4 KiB
Text
122 lines
6.4 KiB
Text
{{Infobox version
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|title=Minecraft 17w45b
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|edition=Java
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|image=17w45a.png
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|image2=Java Edition 17w45b.png
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|type=Snapshot
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|date=November 10, 2017
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|parent=1.13
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|clienthash=83e5c3728b473a8d5afda12906a3e581888489fd
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|jsonhash=f9acb09376005f47f647ebb8bc687e5ba9e515ec
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|serverhash=eec0c6c49b1066b648f39e1dcef8c76510a794dc
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|prevparent=1.12.2
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|prev=17w45a
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|next=17w46a
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|nextparent=1.13.1
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}}<onlyinclude>
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'''17w45b''' is the fourth [[snapshot]] for [[Java Edition 1.13]], released on November 10, 2017<ref>{{snap|17w45a|November 8, 2017}}</ref>, which added the {{cmd|data}} command.
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== Additions ==
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=== Command format ===
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; {{cmd|data}}
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* A command that allows the player to get, merge, and remove entity and block NBT data.
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** {{cmd|data get block <pos> [<path>] [<scale>]}}
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*** Returns the NBT data from the block at <code><pos></code> as its <code>result</code> (if a <code>[<path>]</code> is specified). A <code>[<path>]</code> can be specified to only retrieve that NBT data, but this is limited to numeric tags. An optional <code>[<scale>]</code> can be provided to scale the number retrieved.
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** {{cmd|data get entity <target> [<path>] [<scale>]}}
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*** Returns the NBT data from one <code>[<target>]</code> entity as its <code>result</code> (if a <code>[<path>]</code> is specified). A <code>[<path>]</code> can be specified to only retrieve that NBT data, but this is limited to numeric tags. An optional <code>[<scale>]</code> can be provided to scale the number retrieved.
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** {{cmd|data merge block <pos> <nbt>}}
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*** Merges the block NBT data at <code><pos></code> with the specified <code><nbt></code> data.
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** {{cmd|data merge entity <target> <nbt>}}
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*** Merges the entity NBT data from <code><target></code> with the specified <code><nbt></code> data. Merging player NBT data is not allowed.
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** {{cmd|data remove block <pos> <path>}}
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*** Removes NBT data at <code><path></code> from the block at <code><pos></code>.
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** {{cmd|data remove entity <target> <path>}}
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*** Removes NBT data at <code><path></code> from one <code><target></code> entity. Removing player NBT data is not allowed.
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** Data paths look like this: <code>foo.bar[0]."A [crazy name]".baz</code>.
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*** <code>foo.bar</code> means foo's child called bar.
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*** <code>foo[0]</code> means element 0 of foo.
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*** "quoted strings" may be used if a name of a key needs to be escaped.
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** Examples of old commands:
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*** {{cmd|entitydata <target> {} }} is now {{cmd|data get entity <target>}}
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*** {{cmd|blockdata <pos> <nbt>}} is now {{cmd|data merge block <pos> <nbt>}}
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** Examples of new functionalities:
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*** {{cmd|data get entity <nowiki>@e[type=pig,limit=1]</nowiki> Saddle 2}}
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*** {{cmd|data remove block 17 45 34 Items}}
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== Changes ==
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=== Command format ===
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; {{cmd|entitydata}}
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* Has been removed in favor of {{cmd|data}}.
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; {{cmd|execute store}}
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* Has been reworked.
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** {{cmd|execute store (result{{!}}success) score <name> <objective> <chained command>}}
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*** The value is stored into the scoreboard under <code><name></code> and <code><objective></code>.
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*** The <code>objective</code> must exist, but unlike with {{cmd|stats}} you don't need to set an initial value for <code><name></code>.
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** {{cmd|execute store (result{{!}}success) block <pos> <path> (byte{{!}}double{{!}}float{{!}}int{{!}}long{{!}}short) <scale> <chained command>}}
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*** The value is stored in the NBT data at <code>path</code> of the block at <code>pos</code> as a byte, double, float, int, long, or short.
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** {{cmd|execute store (result{{!}}success) entity <target> <path> (byte{{!}}double{{!}}float{{!}}int{{!}}long{{!}}short) <scale> <chained command>}}
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*** The value is stored in the NBT data at <code>path</code> of one <code>target</code> entity as a byte, double, float, int, long, or short.
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** Data paths look like this: <code>foo.bar[0]."A [crazy name]".baz</code>.
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*** <code>foo.bar</code> means foo's child called bar.
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*** <code>foo[0]</code> means element 0 of foo.
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*** "quoted strings" may be used if a name of a key needs to be escaped.
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** Examples:
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*** {{cmd|execute store success score @a foo run say hi}}
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*** {{cmd|/execute as <nowiki>@e[type=pig]</nowiki> at @s store success entity @s Saddle byte 1 if entity <nowiki>@p[distance=..5]</nowiki>}}
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; {{cmd|execute if <...>}}
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* Now returns success and result values if used on its own, without a sub-command.
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== Fixes ==
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{{fixes|fixedin=17w45b|prefix=Minecraft
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|;old
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|80400|Sizelimited entity selectors (@e with c{{=}}1,@r with type{{=}}!entity) in commands prefer players.
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|87799|{{cmd|execute}} detect functions inconsistently with semi- (snow layer, grass path, soul sand, farmland) blocks.
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|98244|Same UUID infinite times possible + changing UUID possible via entitydata.
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|106681|Scoreboard teams leave doesn't work if first player fails.
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|111704|Players can input any value in [old block handling] of setblock and fill.
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|114721|Title command treats invalid second argument as "title".
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|117933|{{cmd|clone}} command treats invalid optional arguments as if they were default.
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|;previous
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|121623|Cannot use namespace in type{{=}} for selectors.
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|121627|@s fails to build valid commands.
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|121635|Incorrect failed {{cmd|fill}} result message.
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|121637|Incorrect result message when teleporting a single entity.
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|121642|"Optional" commands following conditional execute chain succeed/fail strangely.
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|121647|JRE Fatal Error when joining multi-player server.
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|121655|Incorrect message when teleporting single entity.
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|121656|Some creative commands are available by a survival player with cheats disabled.
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|121660|distance argument can't find players with @a, @p or @e[type{{=}}player].
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|121663|Gamerules are copying from other worlds.
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|121674|Execute doesn't work in functions.
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|121683|-{{=}} isn't a valid operation in scoreboard players operation.
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|121686|Execute unless always fails on entities.
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|121695|Tellraw only supports 1 target.
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|121711|@a or @s doesn't include dead player.
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|121726|Only players can teleport with relative coordinates.
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|121727|Execute on multiple entities cancels, once one command fails.
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|121728|The order, in which execute runs the command for each entity, is in reverse.
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|121749|{{cmd|entitydata}} does not apply modified NBT data.
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|121765|Removing n scoreboard points adds them instead.
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}}</onlyinclude>
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== Video ==
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Video made by [[slicedlime]]:
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{{yt|HHsCchFNWnI}}
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== References ==
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{{reflist}}
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== Navigation ==
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{{Navbox Java Edition versions|1.1x}}
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[[de:17w45b]]
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[[es:Java Edition 17w45b]]
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[[fr:Édition Java 17w45b]]
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[[ja:Java Edition 17w45b]]
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[[nl:17w45b]]
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[[pt:Edição Java 17w45b]]
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[[ru:17w45b (Java Edition)]]
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[[zh:17w45b]]
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