Difference between revisions of "Datageneration/States and Models/1.18"

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Latest revision as of 07:44, 10 June 2022

The model providers are a specific type of data generators for defining models. All model providers are a subclass of ModelProvider.

ModelProvider provides methods to define models for blocks and items alike: cubes, single textures, doors, slabs, and even custom non-data-generated models as parent models.

Existing Files

All references to textures or other data files not generated for data generation must reference existing files on the system. This is to ensure that all referenced textures are in the correct places, so typos can be found and corrected.

ExistingFileHelper is the class responsible for validating the existence of those data files. An instance can be retrieved from GatherDataEvent#getExistingFileHelper().

The --existing <folderpath> argument allows the specified folder and its subfolders to be used when validating the existence of files. By default, only the vanilla datapack and resources are available to the ExistingFileHelper.

Implementation

There are three main abstract implementations of ModelProvider: ItemModelProvider, BlockModelProvider, and BlockStateProvider.

For items, use ItemModelProvider to define their models: override #registerModels and use the helper methods.

For blocks, it is recommended to use BlockStateProvider to define the blockstates, models, and their item models in a single class. It contains an instance of both BlockModelProvider and ItemModelProvider, which can be accessed through #models() and #itemModels(). BlockModelProvider is used to define only block models.

Call #getVariantBuilder(Block) to get a VariantBlockStateBuilder for building a blockstate with different variants, or #getMultipartBuilder(Block) to get a MultiPartBlockStateBuilder for building a blockstate using multiparts.