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New Minecraft target selector syntax!

Syntax

All target selectors start with @. The following character is the selector type. For example, @p means 'closest player'.

Target selectors may have additional, optional arguments. You can specify these in [ ], using the syntax a=0. For example, @p[a=0,b=5,c=-500].

There is a special short syntax for just specifying x, y, z and r arguments; simply list their values separated by a comma, without x=. For example: @p[100,64,-100,5] for 5 range, x=100, y=64 and z=-100. Each of these are optional and skippable by leaving them empty. For example, to just specify y coordinate: @p[,64].

Global Arguments:

  • x - X coordinate for search center. Default is senders coordinate, or 0.
  • y - Y coordinate for search center. Default is senders coordinate, or 0.
  • z - Z coordinate for search center. Default is senders coordinate, or 0.
  • r - Range, number above 0. Default 0 ("No range limit")
  • m - Game mode, number above 0. Default -1 ("No mode limit")
  • c - Max count of results. Default 0 ("No count limit"). Numbers below 0 will make it return the last x amount of entries.

Selectors:

  • p - Closest player.
  • a - A list of all players.
  • r - A random player.

All selectors are lists, but only p has a default count limit of 0 (unlimited). When using lists in a string context (for example, /say Hello @a) it will list all players as strings. When used as a command argument, it will iterate the command for each player in the list.

Examples

@p[r=5]

Closest person within 5 blocks. If there's nobody within 5 blocks, the command will fail.

@a[x=100,y=64,z=-100,c=10,r=5]

Closest 10 players within 5 blocks of 100,64,-100.

@p[0,64,0,c=-2]

The furthest 2 players from 0,64,0.

@a[,,,10,c=5]

The closest 5 players within 10 blocks of your current position.

@tschoffelen
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tschoffelen commented Jan 10, 2013

"number above 0. Default 0". Shouldn't that be 'number 0 or higher' or something like that?

@MTandi
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MTandi commented Feb 18, 2013

An implementation of selected player variables can add a lots of new possibilities and minimize amount of command blocks needed for some commands.

For example we can use one command block in re-spawn area to send players in different places depending on class.
/tp @r[0,0,0,5] 10 10 Class*10
Where "Class" is score from scoreboard (or their Level). It acts like "~" in tp command. Players with class 1 will be teleported at z=10, with class 2 at z=20 etc.

It will be also possible to arrange players on pedestal in order of their kills or experience at the end of the match.

If we need 3 players to stay in correct order depending on their role, we can use:
/testfor @A[0,0,Role*10,5].
And it will output signal strength of 3 if all players stay in their places.

And lots more.

@Sidneys1
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Sidneys1 commented Nov 19, 2014

Updated fork here (as of MC 1.8). No pull request feature on Gist, Dinnerbone needs to update this.

@SkadetteTayne
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SkadetteTayne commented Oct 20, 2015

how do you make a command block only say something once when the person gets within your specified range of the command block?

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