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How to add a tooltip using ItemTooltipEvent?


Xander402

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Hello,
I'm going to add tooltips to vanilla items in my mod.

 

I've actually added tooltips to the items I wanted..., but you'll clutch your head in disbelief how stupid is what I've done, it definitely can't take a place in a mod.
In my ItemInit class:

public static final ModItem DIAMOND = new ModItem("minecraft:diamond", new String[]{"description line 1", "description line 2"});

and the ModItem class:

package ...

import ...

public class ModItem extends Item implements IHasModel {

    private String[] itemDescription;

    public ModItem(String name, String[] description) {
        itemDescription = description;
        setMaxDamage(0);
        maxStackSize = 64;
        if (name.startsWith("minecraft:")) {
            setUnlocalizedName(Translate.toVanillaNaming(name.substring(10)));
        } else {
            setUnlocalizedName(name);
        }
        setRegistryName(name);
        setCreativeTab(CreativeTabs.MISC);

        ItemInit.ITEMS.add(this);
    }

    @Override
    public void addInformation(ItemStack itemstack, World world, List<String> list, ITooltipFlag flag) {
        if (itemDescription != null) {
            for (String line : itemDescription) {
                list.add(line);
            }
        }
    }

    @Override
    public void registerModels() {
        Main.proxy.registerItemRenderer(this, 0, "inventory");
    }
}


Yeah... a vanilla item override. Let's not comment this.

But I found something called ItemTooltipEvent. I think it should be used like so:
In my RegistryHandler class:

@SuppressWarnings("unused")
@SubscribeEvent
@SideOnly(Side.CLIENT)
public static void itemToolTip(ItemTooltipEvent event) {
	...
}

 

But what I have no idea is what to write inside this method to make it working. I couldn't find any clear example anywhere. Could somebody provide me one..?
Thanks in advance!

Edited by Xander402
Correction

A few bytes about me:

public class Xander402 extends Modder implements IForumMember {
    int javaExperience, moddingExperience;
    LearningWay preferredLearningWay;
    public Xander402() {
        this.javaExperience = BIG;
        this.moddingExperience = NOT_SO_BIG;
        this.preferredLearningWay = LearningWay.through("exampes");
      	super(/*displayName*/"Xander402", /*moddingSince*/"1.9", preferredLearningWay);
    }
    @Override
    public Goal getReasonOfJoining(Forum forum) { return new Goal(() -> { while (true) moddingExperience++; }); }
}

 

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1. Do NOT use static initializers.

2. 

1.12.2:

event.getTooltip.add(String);

 

1.13.2:

event.getTooltip.add(ITextComponent);

 

Edited by DavidM
  • Like 1

Some tips:

Spoiler

Modder Support:

Spoiler

1. Do not follow tutorials on YouTube, especially TechnoVision (previously called Loremaster) and HarryTalks, due to their promotion of bad practice and usage of outdated code.

2. Always post your code.

3. Never copy and paste code. You won't learn anything from doing that.

4. 

Quote

Programming via Eclipse's hotfixes will get you nowhere

5. Learn to use your IDE, especially the debugger.

6.

Quote

The "picture that's worth 1000 words" only works if there's an obvious problem or a freehand red circle around it.

Support & Bug Reports:

Spoiler

1. Read the EAQ before asking for help. Remember to provide the appropriate log(s).

2. Versions below 1.11 are no longer supported due to their age. Update to a modern version of Minecraft to receive support.

 

 

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7 minutes ago, DavidM said:

1. Do NOT use static initializers.

Okay, so I'll do.

7 minutes ago, DavidM said:

2. In your custom item class, override Item#addInformation and add strings to the "tooltip" parameter.

I know what to do with my custom mod items, I don't have any trouble with adding tooltips to them.
I do similarly to what you said, but I have all the tooltips in my lang file in case I wanted to translate the mod.
But I don't think I'm allowed to re-initialize and override a VANILLA item, like minecraft:diamond...

Edited by Xander402

A few bytes about me:

public class Xander402 extends Modder implements IForumMember {
    int javaExperience, moddingExperience;
    LearningWay preferredLearningWay;
    public Xander402() {
        this.javaExperience = BIG;
        this.moddingExperience = NOT_SO_BIG;
        this.preferredLearningWay = LearningWay.through("exampes");
      	super(/*displayName*/"Xander402", /*moddingSince*/"1.9", preferredLearningWay);
    }
    @Override
    public Goal getReasonOfJoining(Forum forum) { return new Goal(() -> { while (true) moddingExperience++; }); }
}

 

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Check my updated reply (I misunderstood your question at first).

Edited by DavidM

Some tips:

Spoiler

Modder Support:

Spoiler

1. Do not follow tutorials on YouTube, especially TechnoVision (previously called Loremaster) and HarryTalks, due to their promotion of bad practice and usage of outdated code.

2. Always post your code.

3. Never copy and paste code. You won't learn anything from doing that.

4. 

Quote

Programming via Eclipse's hotfixes will get you nowhere

5. Learn to use your IDE, especially the debugger.

6.

Quote

The "picture that's worth 1000 words" only works if there's an obvious problem or a freehand red circle around it.

Support & Bug Reports:

Spoiler

1. Read the EAQ before asking for help. Remember to provide the appropriate log(s).

2. Versions below 1.11 are no longer supported due to their age. Update to a modern version of Minecraft to receive support.

 

 

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Yeah, thank you. Everything works fine.

A few bytes about me:

public class Xander402 extends Modder implements IForumMember {
    int javaExperience, moddingExperience;
    LearningWay preferredLearningWay;
    public Xander402() {
        this.javaExperience = BIG;
        this.moddingExperience = NOT_SO_BIG;
        this.preferredLearningWay = LearningWay.through("exampes");
      	super(/*displayName*/"Xander402", /*moddingSince*/"1.9", preferredLearningWay);
    }
    @Override
    public Goal getReasonOfJoining(Forum forum) { return new Goal(() -> { while (true) moddingExperience++; }); }
}

 

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