CIT for NBT

Custom item textures are selected from properties files placed in the resources folder. A conditional texture applies to an item only when its .properties file exists, and the NBT conditions in that file decide whether the texture is shown. Each NBT condition checks a tag path and returns true or false, for example a value matched against a numeric range such as 1-5, 9 or 17.

The mod adds Optifine's CIT feature as a standalone option for Forge 1.12.2, so it does not require Optifine. It reads files only from the .minecraft/resources folder and treats the resources folder as the assets folder. Paths such as assets/textures are placed in resources/textures instead. Relative paths behave as they do in Optifine, and a conditional texture needs its item to match the same namespace.

Items that follow Optifine's folder organization need an additional suffix, and free-floating .properties files also need one tied to their role. Animations use separate item.anim.properties files alongside the item.cit.properties files. Apart from one exception, the file format is stable. Because the mod follows the folder style used by other resource-based item mods, it can coexist with them.