BloodMagic/src/main/java/WayofTime/bloodmagic/client/IMeshProvider.java

package WayofTime.bloodmagic.client;

import net.minecraft.client.renderer.ItemMeshDefinition;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

import javax.annotation.Nullable;
import java.util.List;

/**
 * Provides a custom {@link ItemMeshDefinition} for automatic registration of
 * renders.
 */
public interface IMeshProvider
{
    /**
     * Gets the custom ItemMeshDefinition to use for the item.
     * 
     * @return - the custom ItemMeshDefinition to use for the item.
     */
    @SideOnly(Side.CLIENT)
    ItemMeshDefinition getMeshDefinition();

    /**
     * Gets all possible variants for this item
     * 
     * @return - All possible variants for this item
     */
    List<String> getVariants();

    /**
     * If a custom ResourceLocation is required, return it here.
     * 
     * Can be null if unneeded.
     * 
     * @return - The custom ResourceLocation
     */
    @Nullable
    ResourceLocation getCustomLocation();
}