Partial Hearts Mod 1.5.6–1.6.15
MODIt also adds partial hearts to CJB Cheats Menu if that mod is installed.
It also adds partial hearts to CJB Cheats Menu if that mod is installed.
There is an option in the config (Granular) to use a scaled up heart texture (28 pixels wide, no scaling), so you have 28 increments per heart (~9 friendship points per pixel).