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[1.14.4] Force GUI to update


JimiIT92

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I've made a packet that changes the player max health value. The packet itself should work fine, if i add some value to the max health the new hearts are displayed correctly. However if i remove some value from the max health, say i go from 10 hearts to 9.5, the new hearts values in GUI did not update... But if i go from 10 to 9 it did, so just removing half heart is not showing properly. This is the packet i send to the client or the server when i change the max health
 

package com.antiblaze.network;

import com.antiblaze.settings.Settings;
import net.minecraft.client.Minecraft;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.ai.attributes.AttributeModifier;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.network.PacketBuffer;
import net.minecraftforge.fml.network.NetworkDirection;
import net.minecraftforge.fml.network.NetworkEvent;

import java.util.function.Supplier;

/**
 * @author JimiIT92
 */
public class MaxHealthPacket {

    /**
     * Health value to add or remove from the max health
     */
    float health;

    /**
     * Constructor. Set the health amount
     * @param health Health amount
     */
    public MaxHealthPacket (float health) {
        this.health = health;
    }

    /**
     * Write the health amount to the buffer
     * @param packet Packet
     * @param buffer Buffer
     */
    public static void encode(MaxHealthPacket packet, PacketBuffer buffer) {
        buffer.writeFloat(packet.health);
    }

    /**
     * Get the health value from the buffer
     * @param buffer Buffer
     * @return MaxHealth Packet
     */
    public static MaxHealthPacket decode(PacketBuffer buffer) {
        float health = buffer.readFloat();
        return new MaxHealthPacket(health);
    }

    /**
     * Handler inner class
     */
    public static class Handler{

        /**
         * Handle the Packet
         * @param packet Packet
         * @param context Context
         */
        public static void handle(final MaxHealthPacket packet, Supplier<NetworkEvent.Context> context) {
            context.get().enqueueWork(() -> {
                PlayerEntity player = null;
                if (context.get().getDirection() == NetworkDirection.PLAY_TO_CLIENT) {
                    player = Minecraft.getInstance().player;
                } else {
                    player = context.get().getSender();
                }
                assert player != null;
                double baseAmount = player.getMaxHealth() - player.getAttribute(SharedMonsterAttributes.MAX_HEALTH).getBaseValue();
                AttributeModifier modifier = new AttributeModifier(Settings.MAX_HEALTH_ATTRIBUTE_MODIFIER_ID, Settings.MAX_HEALTH_ATTRIBUTE_NAME, baseAmount + packet.health , AttributeModifier.Operation.ADDITION);
                player.getAttribute(SharedMonsterAttributes.MAX_HEALTH).removeModifier(Settings.MAX_HEALTH_ATTRIBUTE_MODIFIER_ID);
                player.getAttribute(SharedMonsterAttributes.MAX_HEALTH).applyModifier(modifier);
            });
            context.get().setPacketHandled(true);
        }
    }
}



What should i do to make so when the max health is a "middle value" (like 9.5 hearts, 8.5 hearts, 11.5 hearts ecc...) the hearts in the GUI are displayed correctly?

Edited by JimiIT92
Wrong format

Don't blame me if i always ask for your help. I just want to learn to be better :)

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Any idea? I've kinda solved this by causing the food level to update, but of course is not something i want to keep
 

/**
         * Handle the Packet
         * @param packet Packet
         * @param context Context
         */
        public static void handle(final MaxHealthPacket packet, Supplier<NetworkEvent.Context> context) {
            context.get().enqueueWork(() -> {
                PlayerEntity player = null;
                if (context.get().getDirection() == NetworkDirection.PLAY_TO_CLIENT) {
                    player = Minecraft.getInstance().player;
                } else {
                    player = context.get().getSender();
                }
                assert player != null;
                double baseAmount = player.getMaxHealth() - player.getAttribute(SharedMonsterAttributes.MAX_HEALTH).getBaseValue();
                AttributeModifier modifier = new AttributeModifier(Settings.MAX_HEALTH_ATTRIBUTE_MODIFIER_ID, Settings.MAX_HEALTH_ATTRIBUTE_NAME, baseAmount + packet.health , AttributeModifier.Operation.ADDITION);
                player.getAttribute(SharedMonsterAttributes.MAX_HEALTH).removeModifier(Settings.MAX_HEALTH_ATTRIBUTE_MODIFIER_ID);
                player.getAttribute(SharedMonsterAttributes.MAX_HEALTH).applyModifier(modifier);
                if(player.getMaxHealth() % 2 == 1) {
                    player.getFoodStats().setFoodLevel(player.getFoodStats().getFoodLevel() - 1);
                    if (context.get().getDirection() == NetworkDirection.PLAY_TO_CLIENT) {
                        Minecraft.getInstance().player.getFoodStats().setFoodLevel(player.getFoodStats().getFoodLevel() - 1);
                    }
                }
            });
            context.get().setPacketHandled(true);
        }

 

Don't blame me if i always ask for your help. I just want to learn to be better :)

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