[1.11 - ~Solved] Using GuiListExtended

Franckyi · January 8, 2017

Hi !

I'm still working on my "Item Editor" mod for mapmakers. I'm working on a simple way to add enchantments to an item, so I created a list of all enchantments in Vanilla Minecraft.

I created my enchant list by extending

GuiListExtended

and my list items by implementing

IGuiListEntry

.

Everything seems to be working well, except the scroll bar. I did nothing about it and I don't know how it works. I can't find any tutorials on Internet.

I can give you source codes if you need.

Can someone help me ?

Franckyi · January 8, 2017

Ok then, there you have the source code :

My GuiScreen :

package com.franckyi.itemeditor.gui;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import com.franckyi.itemeditor.ItemEditorMod;
import com.franckyi.itemeditor.gui.components.GuiItemEditorEnchantList;
import com.franckyi.itemeditor.misc.ModEnchantmentHelper.ItemEnchantment;
import com.franckyi.itemeditor.packet.EditItemEnchantMessage;
import com.franckyi.itemeditor.packet.EditItemLoreMessage;
import com.franckyi.itemeditor.packet.ItemEditorPacketHandler;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.gui.GuiTextField;
import net.minecraft.enchantment.Enchantment;
import net.minecraft.enchantment.EnchantmentHelper;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.nbt.NBTTagString;

public class GuiItemEditorEnchant extends GuiScreen {

private GuiItemEditorEnchantList enchList;
private GuiTextField[] enchLevels;
private GuiButton cancelButton;
private GuiButton doneButton;

@Override
protected void actionPerformed(GuiButton button) throws IOException {
	enchList.actionPerformed(button);
	if (button == doneButton){
		List<ItemEnchantment> msg = createMessage();
		updateServer(msg);
		updateClient(msg);
	}
	if (button == this.cancelButton || button == this.doneButton)
		switchGui(ItemEditorGuiHandler.ITEM_EDITOR_MENU);
}

@Override
public boolean doesGuiPauseGame() {
	return true;
}

@Override
public void drawScreen(int mouseX, int mouseY, float partialTicks) {
	drawDefaultBackground();
	enchList.drawScreen(mouseX, mouseY, partialTicks);
	drawString(fontRendererObj, "Edit Item Enchantments", this.width / 2 - 50, (int) (this.height / 2 - this.height / 2.5), 0xffffff);
	super.drawScreen(mouseX, mouseY, partialTicks);
}

@Override
public void initGui() {
	enchList = new GuiItemEditorEnchantList(mc, width, height, 50, height-50, 25);
	for(ItemEnchantment ench : enchList.getEnchantmentList())
		ench.getTextField().setText(EnchantmentHelper.getEnchantmentLevel(Enchantment.getEnchantmentByID(ench.getEnch().getId()), Minecraft.getMinecraft().thePlayer.getHeldItemMainhand()) + "");
	buttonList.add(doneButton = new GuiButton(0, this.width / 2 - 100, (int) (this.height / 2 + this.height / 2.6), 90, 20, "Done"));
	buttonList.add(cancelButton = new GuiButton(0, this.width / 2 + 10, (int) (this.height / 2 + this.height / 2.6), 90, 20, "Cancel"));
}

@Override
protected void keyTyped(char typedChar, int keyCode) throws IOException {
	for(ItemEnchantment ench : enchList.getEnchantmentList())
		if(Character.isDigit(typedChar) || keyCode == 14 || keyCode == 211)
			ench.getTextField().textboxKeyTyped(typedChar, keyCode);
	super.keyTyped(typedChar, keyCode);
}

@Override
protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException {
	for(ItemEnchantment ench : enchList.getEnchantmentList())
		ench.getTextField().mouseClicked(mouseX, mouseY, mouseButton);
	super.mouseClicked(mouseX, mouseY, mouseButton);
}

@Override
public void updateScreen() {
	for(ItemEnchantment ench : enchList.getEnchantmentList())
		ench.getTextField().updateCursorCounter();
	super.updateScreen();
}

private List<ItemEnchantment> createMessage() {
	List<ItemEnchantment> msgList = new ArrayList<ItemEnchantment>();
	for(ItemEnchantment ench : enchList.getEnchantmentList()){
		if(ench.getTextField().getText().equals(""))
			ench.getTextField().setText("0");
		msgList.add(new ItemEnchantment(ench.getEnch().getId(), Integer.parseInt(ench.getTextField().getText())));
	}
	return msgList;
}

private void updateServer(List<ItemEnchantment> msg) {
	ItemEditorPacketHandler.INSTANCE.sendToServer(new EditItemEnchantMessage(createMessage()));
}

private void updateClient(List<ItemEnchantment> msg) {
	if(Minecraft.getMinecraft().thePlayer.getHeldItemMainhand().getTagCompound() != null)
		Minecraft.getMinecraft().thePlayer.getHeldItemMainhand().getTagCompound().removeTag("ench");
	for (ItemEnchantment ench : msg)
		if (ench.getLevel() != 0)
			Minecraft.getMinecraft().thePlayer.getHeldItemMainhand().addEnchantment(
					Enchantment.getEnchantmentByID(ench.getEnch().getId()), ench.getLevel());
}

private void switchGui(int id){
	Minecraft.getMinecraft().thePlayer.openGui(ItemEditorMod.instance, id, Minecraft.getMinecraft().theWorld,
			(int) Minecraft.getMinecraft().thePlayer.posX, (int) Minecraft.getMinecraft().thePlayer.posY,
			(int) Minecraft.getMinecraft().thePlayer.posZ);
}

}

My GuiListExtended :

package com.franckyi.itemeditor.gui.components;

import java.util.ArrayList;
import java.util.List;

import com.franckyi.itemeditor.misc.ModEnchantmentHelper.EnumEnchantmentList;
import com.franckyi.itemeditor.misc.ModEnchantmentHelper.ItemEnchantment;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.GuiListExtended;
import net.minecraft.client.gui.GuiScreen;

public class GuiItemEditorEnchantList extends GuiListExtended{

private List<ItemEnchantment> enchList;

public GuiItemEditorEnchantList(Minecraft mcIn, int widthIn, int heightIn, int topIn, int bottomIn,
		int slotHeightIn) {
	super(mcIn, widthIn, heightIn, topIn, bottomIn, slotHeightIn);
	enchList = new ArrayList<ItemEnchantment>();
	enchList.addAll(EnumEnchantmentList.getDefaults(widthIn, heightIn));
}

@Override
public IGuiListEntry getListEntry(int index) {
	return enchList.get(index);
}

@Override
protected int getSize() {
	return 30;
}

public List<ItemEnchantment> getEnchantmentList() {
	return enchList;
}

}

My IGuiListEntry (with other stuff I use) :

package com.franckyi.itemeditor.misc;

import java.util.ArrayList;
import java.util.List;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiListExtended.IGuiListEntry;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.gui.GuiTextField;
import net.minecraft.enchantment.Enchantment;
import net.minecraft.enchantment.EnumEnchantmentType;

public class ModEnchantmentHelper {

public static class ItemEnchantment implements IGuiListEntry {

	private int index;
	private EnumEnchantmentList ench;
	private int level;
	private GuiTextField tf;

	public ItemEnchantment(int index, EnumEnchantmentList ench, int level, int widthIn, int heightIn) {
		this.index = index;
		this.ench = ench;
		this.level = level;
		tf = new GuiTextField(index, Minecraft.getMinecraft().fontRendererObj, widthIn / 2 + 50, 0, 50, 15);
	}

	public ItemEnchantment(int id, int level) {
		this.ench = EnumEnchantmentList.getTypeFromID(id);
		this.level = level;
	}

	public int getIndex() {
		return index;
	}

	public EnumEnchantmentList getEnch() {
		return ench;
	}

	public int getLevel() {
		return level;
	}

	public GuiTextField getTextField() {
		return tf;
	}

	@Override
	public void setSelected(int p_178011_1_, int p_178011_2_, int p_178011_3_) {

	}

	@Override
	public void drawEntry(int slotIndex, int x, int y, int listWidth, int slotHeight, int mouseX, int mouseY,
			boolean isSelected) {
		tf.yPosition = y;
		tf.drawTextBox();
		Minecraft.getMinecraft().ingameGUI.drawString(Minecraft.getMinecraft().fontRendererObj, ench.getName(), x,
				y + 5,
				(ench.type.canEnchantItem(Minecraft.getMinecraft().thePlayer.getHeldItemMainhand().getItem()))
						? 0x00aa00 : 0xffffff);

	}

	@Override
	public boolean mousePressed(int slotIndex, int mouseX, int mouseY, int mouseEvent, int relativeX,
			int relativeY) {
		return false;
	}

	@Override
	public void mouseReleased(int slotIndex, int x, int y, int mouseEvent, int relativeX, int relativeY) {

	}

}

public static enum EnumEnchantmentList {

	PROTECTION_ALL("Protection", 0, EnumEnchantmentType.ARMOR), PROTECTION_FIRE("Fire Protection", 1,
			EnumEnchantmentType.ARMOR), PROTECTION_FALL("Feather Falling", 2,
					EnumEnchantmentType.ARMOR_FEET), PROTECTION_EXPLOSION("Blast Protection", 3,
							EnumEnchantmentType.ARMOR), PROTECTION_PROJECTILE("Projectile Protection", 4,
									EnumEnchantmentType.ARMOR), OXYGEN("Respiration", 5,
											EnumEnchantmentType.ARMOR_HEAD), WATER_WORKER("Aqua Affinity", 6,
													EnumEnchantmentType.ARMOR_HEAD), THORNS("Thorns", 7,
															EnumEnchantmentType.ARMOR), WATER_WALKER(
																	"Depth Strider", 8,
																	EnumEnchantmentType.ARMOR_FEET), FROST_WALKER(
																			"Frost Walker", 9,
																			EnumEnchantmentType.ARMOR_FEET), BINDING_CURSE(
																					"Curse of Binding", 10,
																					EnumEnchantmentType.WEARABLE),

	DAMAGE_ALL("Sharpness", 16, EnumEnchantmentType.WEAPON), DAMAGE_UNDEAD("Smite", 17,
			EnumEnchantmentType.WEAPON), DAMAGE_ARTHROPODS("Bane of Arthropods", 18,
					EnumEnchantmentType.WEAPON), KNOCKBACK("Knockback", 19,
							EnumEnchantmentType.WEAPON), FIRE_ASPECT("Fire Aspect", 20,
									EnumEnchantmentType.WEAPON), LOOT_BONUS("Looting", 21,
											EnumEnchantmentType.WEAPON), SWEEPING_EDGE("Sweeping Edge", 22,
													EnumEnchantmentType.WEAPON),

	DIGGING("Efficiency", 32, EnumEnchantmentType.DIGGER), UNTOUCHING("Silk Touch", 33,
			EnumEnchantmentType.DIGGER), DURABILITY("Unbreaking", 34,
					EnumEnchantmentType.BREAKABLE), LOOT_BONUS_DIGGER("Fortune", 35, EnumEnchantmentType.DIGGER),

	ARROW_DAMAGE("Power", 48, EnumEnchantmentType.BOW), ARROW_KNOCKBACK("Punch", 49,
			EnumEnchantmentType.BOW), ARROW_FIRE("Flame", 50,
					EnumEnchantmentType.BOW), ARROW_INFINITE("Infinity", 51, EnumEnchantmentType.BOW),

	LOOT_BONUS_FISHING("Luck of the Sea", 61, EnumEnchantmentType.FISHING_ROD), FISHING_SPEED("Lure", 62,
			EnumEnchantmentType.FISHING_ROD),

	MENDING("Mending", 70, EnumEnchantmentType.BREAKABLE), VANISHING_CURSE("Curse of Vanishing", 71,
			EnumEnchantmentType.BREAKABLE);

	private String name;
	private int id;
	private EnumEnchantmentType type;

	private EnumEnchantmentList(String name, int id, EnumEnchantmentType type) {
		this.name = name;
		this.id = id;
		this.type = type;
	}

	public String getName() {
		return name;
	}

	public int getId() {
		return id;
	}

	public EnumEnchantmentType getType() {
		return type;
	}

	public static List<ItemEnchantment> getDefaults(int widthIn, int heightIn) {
		List<ItemEnchantment> enchList = new ArrayList<ItemEnchantment>();
		for (EnumEnchantmentList ench : values()) {
			enchList.add(new ItemEnchantment(ench.ordinal(), ench, 0, widthIn, heightIn));
		}
		return enchList;
	}

	public static EnumEnchantmentList getTypeFromID(int id){
		for(EnumEnchantmentList type : values())
			if(id == type.getId())
				return type;
		return null;
	}

}

}

Edit : Lol, when I posted the code I saw I always used 'Minecraft.getMinecraft()' instead of 'mc' in my GUIs ^^ Let's fix that

Franckyi · January 8, 2017

Ok, I found how to register scroll buttons. But I want to scroll the list using the scroll bar or the mouse wheel.

Does someone know how to do that?

Franckyi · January 9, 2017

My bad, didn't know that GuiScrollingList exists.

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[1.11 - ~Solved] Using GuiListExtended

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