Commands

These commands are only available in singleplayer, and on servers with the openboatutils mod installed.

/reset

Resets all settings to their vanilla defaults.

Example: /reset

/stepsize <size>

Sets the player's step height. Higher values allow stepping up taller blocks without jumping.

• <size> - float

Example: /stepsize 1.25

/defaultslipperiness <slipperiness>

Sets the slipperiness value used for blocks that do not already have a defined slipperiness value. This is 0.6 in vanilla.

• <slipperiness> - float

Example: /defaultslipperiness 0.6

/blockslipperiness <slipperiness> <block,..>

Sets the slipperiness value for one or more specific blocks.

• <slipperiness> - float
• <block,..> - comma-separated list of namespaced keys (no spaces)

Example: /blockslipperiness 0.98 minecraft:grass_block,minecraft:coarse_dirt

/falldamage <enabled>

Enables or disables fall damage for boats. When enabled (default), boats will break after falling more than a few blocks.

• <enabled> - boolean

Example: /falldamage false

/waterelevation <enabled>

Enables or disables "water elevation." When enabled, your boat will rise in water streams until it reaches the top, similar to old BoatUtils behavior.

• <enabled> - boolean

Example: /waterelevation true

/aircontrol <enabled>

Enables or disables "air control." When enabled, your boat moves in the air as if it were on the ground. Slipperiness is based on minecraft:air or the default value if not set.

• <enabled> - boolean

Example: /aircontrol true

/jumpforce <force>

Sets the force applied when the boat jumps. Default is 0.

• <force> - float

Example: /jumpforce 0.36

/boatmode <mode>

Sets the boat movement mode. Modes stack on top of the current settings. the documentation for available modes.

• <mode> - mode name (string)

Example: /boatmode BA

/removeblockslipperiness <block,...>

Removes custom slipperiness values from the specified blocks.

• <block,...> - comma-separated list of namespaced keys (no spaces)

Example: /removeblockslipperiness minecraft:grass_block,minecraft:stone

/clearslipperiness

Clears all custom slipperiness values and resets them to defaults.

Example: /clearslipperiness

/boatgravity <gravity>

Sets the strength of gravity applied to the boat. The vanilla value is -0.03999999910593033 (yes).

• <gravity> - double

Example: /boatgravity -0.02

/setyawaccel <accel>

Sets the boat's angular (turning) acceleration. The vanilla value is 1.0.

• <accel> - float

Example: /setyawaccel 1.2

/setforwardaccel <accel>

Sets the boat's acceleration when moving forward. The vanilla value is 0.04.

• <accel> - float

Example: /setforwardaccel 0.05

/setbackwardaccel <accel>

Sets the boat's acceleration when moving backward. The vanilla value is 0.005.

• <accel> - float

Example: /setbackwardaccel 0.006

/setturnforwardaccel <accel>

Sets the forward acceleration applied when turning without pressing forward or backward. The vanilla value is 0.005.

• <accel> - float

Example: /setturnforwardaccel 0.007

/allowaccelstacking <enabled>

Enables or disables acceleration stacking. When enabled, turn-based forward acceleration can stack with forward/backward acceleration.

• <enabled> - boolean

Example: /allowaccelstacking true

/underwatercontrol <enabled>

Enables or disables boat control while fully underwater.

• <enabled> - boolean

Example: /underwatercontrol true

/surfacewatercontrol <enabled>

Enables or disables boat control while on the surface of water.

• <enabled> - boolean

Example: /surfacewatercontrol true

/exclusiveboatmode <mode>

Resets all settings, then applies the specified mode.

• <mode> - mode name (string)

Example: /exclusiveboatmode BA

/coyotetime <ticks>

Sets the number of ticks where actions are still allowed after leaving the ground.

• <ticks> - integer

Example: /coyotetime 5

/waterjumping <enabled>

Enables or disables jumping while in water.

• <enabled> - boolean

Example: /waterjumping true

/swimforce <force>

Sets the force applied when moving in water.

• <force> - float

Example: /swimforce 0.1

/modeseries <mode,...>

Applies a sequence of modes in order. Modes stack as they are applied.

• <mode,...> - comma-separated list of mode names (no spaces)

Example: /modeseries BA,JUMP_BLOCKS

/exclusivemodeseries <mode,...>

Resets all settings, then applies a sequence of modes in order.

• <mode,...> - comma-separated list of mode names (no spaces)

Example: /exclusivemodeseries BA,JUMP_BLOCKS

/setblocksetting <setting> <value> <block,...>

Sets a per-block setting for one or more specific blocks.

• <setting> - setting name (string)
• <value> - float
• <block,...> - comma-separated list of namespaced keys (no spaces)

Example: /setblocksetting JUMPS 4 minecraft:ice,minecraft:packed_ice

Setting	Global Command
JUMP_FORCE	/jumpforce
FORWARDS_ACCEL	/setforwardsaccel
BACKWARDS_ACCEL	/setbackwardsaccel
YAW_ACCEL	/setyawaccel
TURN_FORWARDS_ACCEL	/setturnforwardsaccel
WALLTAP_MULTIPLIER	/setwalltapmultiplier
JUMPS	/setjumps
COYOTE_TIME	/coyotetime
STEP_UP_SLIPPERINESS	/setstepupslipperiness

/collisionmode <id>

Sets the collision mode by its numeric ID.

• <id> - integer

Example: /collisionmode 1

ID	Setting
0	VANILLA
1	NO_BOATS_OR_PLAYERS
2	NO_ENTITIES
3	ENTITYTYPE_FILTER
4	NO_BOATS_OR_PLAYERS_PLUS_FILTER

/stepwhilefalling <enabled>

Enables or disables stepping up blocks while falling.

• <enabled> - boolean

Example: /stepwhilefalling true

/setinterpolationten <enabled> ^1.21.3

Changes the interpolation steps from 3 to 10 to replicate pre 1.21.3 behaviour.

• <enabled> - boolean

Example: /setinterpolationten true

/setcollisionresolution <level>

Sets the collision resolution level. Must be between 1 and 50.

• <level> - byte

Example: /setcollisionresolution 10

/addcollisionfilter <entitytypes>

Adds entity types to the collision filter.

• <entitytypes> - comma-separated list of namespaced keys (no spaces)

Example: /addcollisionfilter minecraft:zombie,minecraft:item

/clearcollisionfilter

Clears all entity type collision filters.

Example: /clearcollisionfilter

/setwalltapmultiplier <multiplier> ^0.5.0

Sets the velocity multiplier applied when the boat collides with a wall. Setting this value to 0 is equivalent to vanilla behaviour and setting it to 1 will result in 100% of your velocity being reflected off the collision.

• <multiplier> - float

Example: /setwalltapmultiplier 0.5

/setjumps <jumps> ^0.5.0

Sets the number of jumps available to the boat. This is 1 by default and doesn't do anything while jump force is 0. Setting this to 2 will result in a double jump and so on.

• <jumps> - integer

Example: /setjumps 2

/setscale <scale> ^0.5.0

Sets the scale of the boat.

• <scale> - float

Example: /setscale 1.5

/setstepupslipperiness 1 <slipperiness> ^0.5.0

Sets the slipperiness when stepping up, your velocity will be multiplied by this value when stepping up blocks.

• <slipperiness> - float

Example: /setstepupslipperiness 10

/switchcontext <context> ^0.5.0

Switches to the specified settings context, creating it if it does not exist. Each context holds its own independent set of settings.

• <context> - context name (namespaced id)

Example: /switchcontext myplugin:mycontext

/dropcontext <context> ^0.5.0

Drops the specified settings context, removing it and all settings stored within it.

• <context> - context name (namespaced id)

Example: /dropcontext myplugin:mycontext