Full Patchedbright Texture Pack 1122 Link
: This is a highly popular mod specifically for 1.12.2. It allows you to toggle maximum brightness on and off with a hotkey, which is often more convenient than a permanent texture pack.
Since 1.12.2 handles textures differently than modern versions, the setup is straightforward: fullbright texture pack 1122 link
In the game’s code, every block has a luminance value—the percentage of light that passes through or reflects off it. A standard stone block might have a low luminance in dark areas. A Fullbright pack typically overrides the properties of standard textures (or edits the shaders/lighting maps) to force every block to render at maximum brightness. : This is a highly popular mod specifically for 1