It was the Player model. But like the Zombie, it was blindingly white, textureless, and tall.
A "Fullbright" texture pack (also known as a "Gamma Boost" or "Night Vision" pack) is designed to eliminate darkness in Minecraft , allowing players to see clearly in caves, at night, and underwater without placing torches. For , a stable and mod-heavy version of the game, Fullbright is achieved by modifying specific game texture files rather than using shaders or lighting engine overrides common in later versions. This report details the mechanism, implementation, limitations, and alternatives for achieving Fullbright in 1.12.2. minecraft 1.12.2 fullbright texture pack
: A highly effective pack that provides even clearer vision than standard "Night Vision" effects. Note that this specific version often requires the mods to function correctly. Fullbright Mod (Modrinth) It was the Player model