gistfile1.txt

package net.minecraftforge.test;

import net.minecraft.client.gui.GuiScreen;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.world.BossInfo;
import net.minecraft.world.World;
import net.minecraftforge.common.capabilities.Capability;
import net.minecraftforge.common.gui.CapabilityEntityGui;
import net.minecraftforge.common.gui.IEntityGuiProvider;
import net.minecraftforge.common.gui.IGuiHandler;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
import net.minecraftforge.fml.common.registry.EntityRegistry;
import net.minecraftforge.fml.common.registry.GameRegistry;

import javax.annotation.Nullable;
import javax.vecmath.Vector3f;
import java.awt.*;

@Mod(modid = "entitygui", name = "Entity Gui Capability Test")
public class TestEntityGui
{
    @Mod.Instance("entitygui") public static TestEntityGui INSTANCE;

    final boolean ENABLE = true;

    @Mod.EventHandler
    public void preInit(FMLPreInitializationEvent event)
    {
        if(!ENABLE) return;
    }

    public void init(FMLInitializationEvent ev){
        if(!ENABLE) return;
        EntityRegistry.registerModEntity(EntityBlob.class, "blob", 1, INSTANCE, 1, 10, true, Color.BLACK.getRGB(), Color.BLUE.getRGB());
    }

    private class EntityBlobGuiHandler implements IEntityGuiProvider {

        @Override public Object getClientGuiElement(EntityPlayer player, World world, Entity entity)
        {
            if(entity instanceof EntityBlob) return new GuiBlob((EntityBlob) entity);
            return null;
        }

        @Override public Object getServerGuiElement(EntityPlayer player, World world, Entity entity)
        {
            return null;
        }
    }

    private class EntityBlob extends EntityLiving
    {

        public EntityBlob(World world, Vector3f pos){
            super(world);
            setPosition(pos.getX(), pos.getY(), pos.getZ());
        }

        @Override protected boolean processInteract(EntityPlayer player, EnumHand hand, @Nullable ItemStack stack)
        {
            if(!this.worldObj.isRemote) {
                player.openEntityGui(this);
                return true;
            }

            return super.processInteract(player, hand, stack);
        }

        @Override public boolean hasCapability(Capability<?> capability, EnumFacing facing)
        {
            if(capability.equals(CapabilityEntityGui.class)) return true;
            return super.hasCapability(capability, facing);
        }

        @Override public <T> T getCapability(Capability<T> capability, EnumFacing facing)
        {
            if(capability.equals(CapabilityEntityGui.ENTITY_GUI_CAPABILITY)) return (T) new EntityBlobGuiHandler();
            return super.getCapability(capability, facing);
        }
    }

    private class GuiBlob extends GuiScreen
    {
        public GuiBlob(EntityBlob blob)
        {

        }

        @Override public void drawScreen(int mouseX, int mouseY, float partialTicks)
        {
            super.drawScreen(mouseX, mouseY, partialTicks);
            drawDefaultBackground();
            drawString(fontRendererObj, "HAI!", 10, 10, Color.WHITE.getRGB());
        }
    }
}