Adding custom textures to the heart item

Lifestealer allows you to customize the appearance of heart items using custom textures. This is accomplished by setting the custom model data property in your heart item configuration, which works in tandem with a properly configured resource pack.

This guide does not cover how to create or distribute a resource pack, but you can find numerous guides and video tutorials online that walk you through the process.

Note: Lifestealer only supports the older texture format, which requires custom model data to be identified by integer values and not by strings.

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See Blockbench.