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Health Regeneration Overhaul

Health Regeneration Overhaul

by TheRedBrain • Downloads: 0 • Followers: 0
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Health Regeneration Overhaul

This API changes the way health is regenerated. Instead of depending on the hunger system, entity attributes are used.

The vanilla hunger system including exhaustion and saturation is disabled by default.

Additionally, an entity attribute called _healthregenerationoverhaul:reservedhealth is added and a vanilla bug that clamps player health to a maximum of 20 when respawning/joining a world has been fixed.

Default implementation

Health is regenerated by _healthregenerationoverhaul:healthregeneration every _healthregenerationoverhaul:health_tickthreshold ticks.

When health is reduced, regeneration is stopped for _healthregenerationoverhaul:health_regeneration_delaythreshold ticks.

_healthregenerationoverhaul:reservedhealth describes the percentage amount of maximum health that is currently not available.

Default attribute values

  • _healthregenerationoverhaul:healthregeneration: 0
  • _healthregenerationoverhaul:health_tickthreshold: 100
  • _healthregenerationoverhaul:health_regeneration_delaythreshold: 100
  • _healthregenerationoverhaul:reservedhealth: 0

Customization

When the vanilla game rule "natural_health_regeneration" is true, players have 1 additional health regeneration.

In the client config an alternative health bar can be enabled and customised.

The server config has options to set the default value for each attribute (including max_health). This only affects the attribute values for players, not other entities.

Also in the server config, the vanilla food system can be re-enabled.

API

Casting a "LivingEntity" to the "HealthRegeneratingEntity" interface gives access to all relevant methods.

How to Install Health Regeneration Overhaul (Mod)

Health Regeneration Overhaul by TheRedBrain is verified for Fabric across Minecraft versions 1.20.1, 1.21, 1.21.1, 1.21.10, 1.21.11, 26.1, 26.1.1, 26.1.2 (latest release: 4.0.0, file size: 112 KB). Follow the steps below to install it safely from ModCraft.tv:

  1. Click the Download button above and select your Minecraft version (1.20.1, 1.21, 1.21.1, 1.21.10, 1.21.11, 26.1, 26.1.1, 26.1.2) and platform (Fabric).
  2. Make sure you have the compatible loader or environment installed for Fabric.
  3. Move the downloaded Health Regeneration Overhaul file into your Minecraft .minecraft/mods folder and launch the game.

All Versions

+ Add Version
Name Game version Platforms Published Downloads Actions
26.1.x
Fabric
7mo ago 1
1.21.11
Fabric
9mo ago 1
1.21.10
Fabric
last yr. 1
1.21.1
Fabric
last yr. 1
1.21.1
Fabric
last yr. 1
1.21.1
Fabric
last yr. 1
1.20.1
Fabric
last yr. 1
1.21.1
Fabric
last yr. 1
1.21.1
Fabric
last yr. 1
1.20.1
Fabric
last yr. 1
1.21.1
Fabric
last yr. 1
1.21.1
Fabric
last yr. 1
1.20.1
Fabric
last yr. 1
1.21
Fabric
last yr. 1
1.20.1
Fabric
last yr. 1
1.21
Fabric
last yr. 1
1.20.1
Fabric
last yr. 1
1.20.1
Fabric
last yr. 1
[4.0.0] 4.0.0 by TheRedBrain on Apr 16, 2026
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# 4.0.0

  • updated to 26.1.x

[3.1.0] 3.1.0 by TheRedBrain on Feb 17, 2026
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# 3.1.0

  • updated to 1.21.11

## Additions

  • the custom health icon bar now shows absorption hearts
  • the custom health icon bar now displays reserved health

## Technical

  • migrated to Mojang Mappings

[3.0.0] 3.0.0 by TheRedBrain on Oct 25, 2025
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# 3.0.0

  • updated to 1.21.10
  • icon bar now blinks when health amount changes (like in vanilla)

## Changes

  • removed "generic." prefix from all entity attributes, following vanillas example
[2.6.1] 2.6.1 by TheRedBrain on Oct 05, 2025
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# 2.6.1

  • fixed health being set to 1 when joining a world for the first time
  • bumped various dependency versions

[2.6.0] 2.6.0 by TheRedBrain on Sep 15, 2025
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# 2.6.0

  • added server config options to define the default for each health related attribute (only affects players) and adjusted the default values of those attributes for players
  • fixed vanilla bug that clamps health to a maximum of 20 when respawning/joining a world

[2.5.0] 2.5.0 by TheRedBrain on Jul 30, 2025
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# 2.5.0

  • added alternative health bar consisting of icons, similar to vanillas health bar (this first iteration does not yet support multiple icon types per bar, e.g. absorption hearts)
  • reworked the "naturalRegeneration" game rule (now works with mods that display attribute values)
  • fixed an issue where the alternative health bar was visible in creative mode
  • fixed an issue where the alternative health bar was visible even when the HUD was hidden (pressing F1)

[1.3.1] 1.3.1 by TheRedBrain on Dec 16, 2024
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# 1.3.1

  • fixed an issue where the regeneration delay after taking damage was not applied correctly

[2.4.1] 2.4.1 by TheRedBrain on Dec 16, 2024
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# 2.4.1

  • fixed an issue where the regeneration delay after taking damage was not applied correctly

[2.4.0] 2.4.0 by TheRedBrain on Dec 09, 2024
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# 2.4.0

HUD rendering overhaul
The initial idea of splitting a bar into three textures per "layer" to allow for easy change of the bar length, came with the cost of massive FPS drops.
With this rewrite the bar size is no longer changeable with a simple config option. Each 'layer' consists of only 1 texture (which can have configurable dimensions).
In addition, the texture can be dynamically replaced by another texture (with configurable dimensions) depending on the max value.
  • 'fill_direction' no longer chooses between a horizontal and a vertical 'texture set', it only determines the direction from which the bar is filled. This means that changing between horizontal and vertical resource bars also requires a texture change.
  • added the option to display an icon (with configurable texture id and dimensions). This can be toggled independently of the bar and the number.
  • added "generic.reserved_health" entity attribute
  • "generic.health_regeneration" entity attribute can now be negative
  • changed vanillas "natural regeneration" gamerule to simply add 1 health regeneration.
  • server config can now be edited in game (Thanks to Fzzy Config)
  • generally improved config layout
  • removed dependency on Cloth Config
  • added dependency on Fzzy Config
  • added dependency on Resource Bar API

[1.3.0] 1.3.0 by TheRedBrain on Dec 09, 2024
Download
# 1.3.0

HUD rendering overhaul
The initial idea of splitting a bar into three textures per "layer" to allow for easy change of the bar length, came with the cost of massive FPS drops.
With this rewrite the bar size is no longer changeable with a simple config option. Each 'layer' consists of only 1 texture (which can have configurable dimensions).
In addition, the texture can be dynamically replaced by another texture (with configurable dimensions) depending on the max value.
  • 'fill_direction' no longer chooses between a horizontal and a vertical 'texture set', it only determines the direction from which the bar is filled. This means that changing between horizontal and vertical resource bars also requires a texture change.
  • added the option to display an icon (with configurable texture id and dimensions). This can be toggled independently of the bar and the number.
  • added "generic.reserved_health" entity attribute
  • "generic.health_regeneration" entity attribute can now be negative
  • changed vanillas "natural regeneration" gamerule to simply add 1 health regeneration.
  • server config can now be edited in game (Thanks to Fzzy Config)
  • generally improved config layout
  • removed dependency on Cloth Config
  • added dependency on Fzzy Config
  • added dependency on Resource Bar API

[2.3.0] 2.3.0 by TheRedBrain on Sep 08, 2024
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# 2.3.0

  • further improvements to health bar customization

[2.2.0] 2.2.0 by TheRedBrain on Sep 02, 2024
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# 2.2.0

  • update to 1.21.1
  • improved health bar customization
  • fixed an issue where entities would rarely be immortal

[1.2.1] 1.2.1 by TheRedBrain on Aug 22, 2024
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# 1.2.1

  • fixed an issue where entities would rarely be immortal

[2.1.0] 2.1.0 by TheRedBrain on Jul 25, 2024
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# 2.1.0

  • added optional smooth health bar animations
  • added a health regeneration delay after health is reduced, controlled by an entity attribute

[1.2.0] 1.2.0 by TheRedBrain on Jul 25, 2024
Download
# 1.2.0

  • added optional smooth health bar animations
  • added a health regeneration delay after health is reduced, controlled by an entity attribute

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