src/api/java/mcp/mobius/waila/api/IWailaFMPProvider.java

package mcp.mobius.waila.api;

import java.util.List;

import net.minecraft.item.ItemStack;

/**
 * Callback class interface used to provide FMP tooltip informations to Waila.<br>
 * All methods in this interface shouldn't to be called by the implementing mod. An instance of the class is to be
 * registered to Waila via the {@link IWailaRegistrar} instance provided in the original registration callback method 
 * (cf. {@link IWailaRegistrar} documentation for more information).
 * @author ProfMobius
 *
 */
public interface IWailaFMPProvider {
	/**
	 * Callback used to add lines to one of the three sections of the tooltip (Head, Body, Tail).</br>
	 * Will be used if the implementing class is registered via {@link IWailaRegistrar}.{@link registerHeadProvider} client side.</br>
	 * You are supposed to always return the modified input currenttip.</br>
	 * 
	 * @param itemStack Current block scanned, in ItemStack form.
	 * @param currenttip Current list of tooltip lines (might have been processed by other providers and might be processed by other providers).
	 * @param accessor Contains most of the relevant information about the current environment.
	 * @param config Current configuration of Waila.
	 * @return Modified input currenttip
	 */
	List<String> getWailaHead(ItemStack itemStack, List<String> currenttip, IWailaFMPAccessor accessor, IWailaConfigHandler config);
	
	/**
	 * Callback used to add lines to one of the three sections of the tooltip (Head, Body, Tail).</br>
	 * Will be used if the implementing class is registered via {@link IWailaRegistrar}.{@link registerBodyProvider} client side.</br>
	 * You are supposed to always return the modified input currenttip.</br>
	 * 
	 * @param itemStack Current block scanned, in ItemStack form.
	 * @param currenttip Current list of tooltip lines (might have been processed by other providers and might be processed by other providers).
	 * @param accessor Contains most of the relevant information about the current environment.
	 * @param config Current configuration of Waila.
	 * @return Modified input currenttip
	 */		
	List<String> getWailaBody(ItemStack itemStack, List<String> currenttip, IWailaFMPAccessor accessor, IWailaConfigHandler config);
	
	/**
	 * Callback used to add lines to one of the three sections of the tooltip (Head, Body, Tail).</br>
	 * Will be used if the implementing class is registered via {@link IWailaRegistrar}.{@link registerTailProvider} client side.</br>
	 * You are supposed to always return the modified input currenttip.</br>
	 * 
	 * @param itemStack Current block scanned, in ItemStack form.
	 * @param currenttip Current list of tooltip lines (might have been processed by other providers and might be processed by other providers).
	 * @param accessor Contains most of the relevant information about the current environment.
	 * @param config Current configuration of Waila.
	 * @return Modified input currenttip
	 */		
	List<String> getWailaTail(ItemStack itemStack, List<String> currenttip, IWailaFMPAccessor accessor, IWailaConfigHandler config);
}