BloodMagic/src/main/java/WayofTime/bloodmagic/api/iface/IDocumentedBlock.java

package WayofTime.bloodmagic.api.iface;

import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.text.ITextComponent;
import net.minecraft.world.World;

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

/**
 * Marks blocks as one that is documented.
 * 
 * This documentation can be read by an
 * {@link WayofTime.bloodmagic.item.ItemSanguineBook} (or child)
 */
public interface IDocumentedBlock
{
    /**
     * Provides the documentation to provide to the player. Usually a
     * short'n'sweet description about basic usage.
     * 
     * @param player
     *        - The EntityPlayer attempting to view the Documentation.
     * @param world
     *        - The World interaction is happening in.
     * @param pos
     *        - The BlockPos being interacted at.
     * @param state
     *        - The IBlockState of the interacted Block.
     * 
     * @return - A list of formatted ITextComponent to provide to the player.
     *         Provide an empty list if there is no available documentation.
     */
    @Nonnull
    List<ITextComponent> getDocumentation(EntityPlayer player, World world, BlockPos pos, IBlockState state);
}