
HeightBoxLib
Hitbox related Library that gets the entity's height!
Screenshots

About this Mod
HeightBoxLib
Hitbox related library for Minecraft: Java Edition that gets the height of an entity's hitbox
How to use
Execute as either yourself or any other entity and run hblib:util/get_height or any of it's variants.
You will get both the height of both the position of the entity's eye anchor and the entity's hitbox height (eye and out)
Example of use: Making an entity face a torso of a player
##This is from the targetted entity
scoreboard players set #Player hblib.number 1
function hblib:util/get_height
##Full - Eye height
scoreboard players operation #Temp plate_havoc.temp = #Total hblib.number
scoreboard players operation #Temp plate_havoc.temp -= #Eye hblib.number
#Full /2
scoreboard players operation #Temp2 plate_havoc.temp = #Total hblib.number
scoreboard players operation #Temp2 plate_havoc.temp /= #2 plate_havoc.temp
#Halved + Temp
execute store result storage plate_havoc:custom torso double 0.01 run scoreboard players operation #Temp plate_havoc.temp += #Temp2 plate_havoc.temp
execute anchored eyes as 00000000-0000-0005-0000-0001000007e9 run function plate_havoc:game/misc/face_torso/execute with storage plate_havoc:custom
Variants
hblib:util/get_height | Gets height of entity's hitbox
hblib:util/get_height_dy | Height of entity's hitbox but subtracted by 0.01
hblib:util/get_halved | Height of entity's hitbox but halved
hblib:util/get_height_specific_scale | Needs a macro $(scale) to run. It gets the entity's hitbox but aims for a decimal point depending on the scale. Examples: (1=180.0, 2=360.0, 0.5=90.0, 0.01=1.8)\
Available Versions
How to Install HeightBoxLib on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "HeightBoxLib". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.8, 1.21.4 (+4 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
HeightBoxLib server crashes on startup – what to do?
Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is HeightBoxLib compatible with datapack and fabric and forge and neoforge and quilt?
HeightBoxLib officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 1.21.11, 1.21.8, 1.21.4. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with HeightBoxLib – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if HeightBoxLib consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install HeightBoxLib with just one click on your server.