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package me.Danker.handlers;
import io.netty.channel.ChannelDuplexHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPromise;
import me.Danker.commands.ToggleCommand;
import me.Danker.utils.Utils;
import net.minecraft.client.Minecraft;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityItemFrame;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.ItemStack;
import net.minecraft.network.Packet;
import net.minecraft.network.play.client.C02PacketUseEntity;
import net.minecraft.network.play.server.S04PacketEntityEquipment;
import net.minecraft.util.BlockPos;
import java.lang.reflect.Field;
public class PacketHandler extends ChannelDuplexHandler {
// Spirit boots fix
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
if (Utils.inSkyblock && msg instanceof Packet && msg.getClass().getName().endsWith("S04PacketEntityEquipment")) { // Inventory packet name
S04PacketEntityEquipment packet = (S04PacketEntityEquipment) msg;
if (packet.getEntityID() == Minecraft.getMinecraft().thePlayer.getEntityId()) {
Field slot = packet.getClass().getDeclaredField("field_149392_b"); // equipmentSlot
slot.setAccessible(true);
slot.setInt(packet, slot.getInt(packet) + 1);
msg = packet;
}
}
super.channelRead(ctx, msg);
}
// Ignore item frames with arrows on sea lanterns
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
if (ToggleCommand.itemFrameOnSeaLanternsToggled && Utils.inDungeons && msg instanceof Packet && msg.getClass().getName().endsWith("C02PacketUseEntity")) {
Minecraft mc = Minecraft.getMinecraft();
C02PacketUseEntity packet = (C02PacketUseEntity) msg;
Entity entityHit = packet.getEntityFromWorld(mc.theWorld);
if (entityHit instanceof EntityItemFrame) {
EntityItemFrame itemFrame = (EntityItemFrame) entityHit;
ItemStack item = itemFrame.getDisplayedItem();
if (item != null && item.getItem() == Items.arrow) {
BlockPos blockPos = Utils.getBlockUnderItemFrame(itemFrame);
if (mc.theWorld.getBlockState(blockPos).getBlock() == Blocks.sea_lantern) {
return;
}
}
}
}
super.write(ctx, msg, promise);
}
}
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