Editing MinecraftCommands (section)

=== gamerule ===

{{/infobox
|gamerule
|op
|1.4.2|12w32a
}}

Sets or queries a game rule value.

;Syntax

: <code>gamerule <''rule name''> [''value'']</code>

;Arguments

: ''rule name''
:: Specifies the game rule to set or query. May be ''any'' value, but only certain predefined game rules will affect gameplay (see ''Predefined Game Rules'' below).

: ''value'' (optional)
:: Specifies the value to set the game rule to. May be ''any'' value, though only <code>true</code> or <code>false</code> specified for predefined game rules will actually affect gameplay, except in the case of <code>randomTickSpeed</code> and <code>spawnRadius<code>, where any integer 0 or greater will affect gameplay (see ''Predefined Game Rules'' below).

:{| class=wikitable
|+ Predefined Game Rules
! Rule Name
! Description
! Default Value
|-
| <code>commandBlockOutput</code> 
| Whether [[command block]]s should notify admins when they perform commands
| style="text-align:center" | <code>true</code>
|-
| <code>disableElytraMovementCheck</code>
| Whether the server should skip checking player speed when the player is wearing [[elytra]].
| style="text-align:center" | <code>false</code>
|-
| <code>doDaylightCycle</code>
| Whether the [[day-night cycle]] and [[moon]] phases progress
| style="text-align:center" | <code>true</code>
|-
| <code>doEntityDrops<code>
| Whether entities that are not mobs should have drops
| style="text-align:center" | <code>true</code>
|-
| <code>doFireTick</code>
| Whether fire should spread and naturally extinguish
| style="text-align:center" | <code>true</code>
|-
| <code>doMobLoot</code>
| Whether mobs should drop items
| style="text-align:center" | <code>true</code>
|-
| <code>doMobSpawning</code>
| Whether mobs should naturally spawn
| style="text-align:center" | <code>true</code>
|-
| <code>doTileDrops</code>
| Whether blocks should have drops
| style="text-align:center" | <code>true</code>
|-
| <code>keepInventory</code>
| Whether the player should keep items in their inventory after death
| style="text-align:center" | <code>false</code>
|-
| <code>logAdminCommands</code>
| Whether to log admin commands to server log
| style="text-align:center" | <code>true</code>
|-
| <code>mobGriefing</code>
| Whether [[creeper]]s, [[zombie]]s, [[endermen]], [[ghast]]s, [[wither]]s, [[ender dragon]]s, [[rabbit]]s, [[sheep]], and [[villager]]s should be able to change blocks and whether villagers, zombies, [[skeleton]]s, and [[zombie pigmen]] can pick up items
| style="text-align:center" | <code>true</code>
|-
| <code>naturalRegeneration</code>
| Whether the player can regenerate health naturally if their hunger is full enough (doesn't affect external healing, such as [[golden apple]]s, the [[Regeneration|Regeneration effect]], etc.)
| style="text-align:center" | <code>true</code>
|-
| <code>randomTickSpeed</code>
| How often a random [[block tick]] occurs (such as plant growth, leaf decay, etc.) per chunk section per game tick. 0 will disable random ticks, higher numbers will increase random ticks
| style="text-align:center" | <code>3</code>
|-
| <code>reducedDebugInfo</code>
| Whether the debug screen shows all or reduced information
| style="text-align:center" | <code>false</code>
|-
| <code>sendCommandFeedback</code>
| Whether the feedback from commands executed by a player should show up in chat. Also affects the default behavior of whether command blocks store their output text
| style="text-align:center" | <code>true</code>
|-
| <code>showDeathMessages</code>
| Whether a message appears in chat when a player dies
| style="text-align:center" | <code>true</code>
|-
| <code>spawnRadius</code>
| The number of blocks outward from the world spawn coordinates that a player will spawn in when first joining a server or when dying without a spawnpoint.
| style="text-align:center" | <code>10</code>
|-
| <code>spectatorsGenerateChunks</code>
| Whether players in [[spectator]] mode can generate chunks
| style="text-align:center" | <code>true</code>
|}

;Result

: Fails if ''rule name'' is not defined and ''value'' is not provided (i.e., attempting to query an undefined game rule).

: On success, returns the value of the game rule (if ''value'' is not provided) or sets the game rule to the specified value (if ''value'' is provided).

: New game rules may be defined and set (by providing a value) or queried (by not providing a value).

;Examples

: To stop the day-night cycle: <code>gamerule doDaylightCycle false</code>

: To stop natural healing: <code>gamerule naturalRegeneration false</code>

: To define a new game rule called <code>MyNewRule</code> and sets its value to 10: <code>gamerule MyNewRule 10</code>


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