src/main/java/gtPlusPlus/xmod/gregtech/api/util/SpecialBehaviourTooltipHandler.java


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package gtPlusPlus.xmod.gregtech.api.util;

import java.util.HashMap;

import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumChatFormatting;
import net.minecraftforge.event.entity.player.ItemTooltipEvent;

import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import gregtech.api.util.GT_Utility;

public class SpecialBehaviourTooltipHandler {

    private static final HashMap<ItemStack, String> mTooltipCache = new HashMap<>();

    public static void addTooltipForItem(ItemStack aStack, String aTooltip) {
        mTooltipCache.put(aStack, aTooltip);
    }

    @SubscribeEvent
    public void onItemTooltip(ItemTooltipEvent event) {
        if (event != null) {
            if (event.itemStack != null) {
                for (ItemStack aKey : mTooltipCache.keySet()) {
                    if (GT_Utility.areStacksEqual(aKey, event.itemStack, false)) {
                        String s = mTooltipCache.get(aKey);
                        if (s != null && s.length() > 0) {
                            event.toolTip.add(EnumChatFormatting.RED + s);
                        }
                    }
                }
            }
        }
    }
}