Minecraft 1.18.1、1.18.2模组开发 03.生物实体

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已于 2022-05-11 20:16:42 修改 · 5.7k 阅读

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#java #开发语言 #后端

于 2022-02-22 21:47:24 首次发布

本文详细指导如何在1.18.1的模组中创建一个类似凋零的BOSS生物，包括实体类的搭建、血条设置、模型制作、渲染注册、属性配置及游戏行为。涉及了生物的攻击行为、伤害音效和视觉效果。

注:1.16.5的实体教程和本文基本类似，只是一些类中的函数名称有所不同。

我们今天在1.18.1的模组中添加一个生物实体

1.新建entity文件夹 -> 文件夹中新建一个model文件夹，一个render文件夹，一个我们的生物类(以EntityRe8Dimi.java为例)

我们本次要制作一个boss类怪物，类似于凋零，具有boss血条

EntityRe8Dimi.java

package com.joy187.re8joymod.entity;


import java.util.Random;
import java.util.function.Predicate;

import javax.annotation.Nullable;


import com.joy187.re8joymod.init.EntityInit;
import com.mojang.blaze3d.vertex.PoseStack.Pose;

import net.minecraft.client.renderer.EffectInstance;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.network.chat.Component;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.network.syncher.EntityDataSerializers;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.server.level.ServerBossEvent;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.world.BossEvent;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.effect.MobEffectInstance;
import net.minecraft.world.effect.MobEffects;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityDimensions;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.MobType;
import net.minecraft.world.entity.ai.attributes.AttributeSupplier;
import net.minecraft.world.entity.ai.attributes.Attributes;
import net.minecraft.world.entity.ai.goal.LookAtPlayerGoal;
import net.minecraft.world.entity.ai.goal.RandomLookAroundGoal;
import net.minecraft.world.entity.ai.goal.WaterAvoidingRandomStrollGoal;
import net.minecraft.world.entity.ai.goal.target.HurtByTargetGoal;
import net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal;
import net.minecraft.world.entity.animal.IronGolem;
import net.minecraft.world.entity.boss.wither.WitherBoss;
import net.minecraft.world.entity.monster.Monster;
import net.minecraft.world.entity.monster.Ravager;
import net.minecraft.world.entity.monster.ZombifiedPiglin;
import net.minecraft.world.entity.npc.AbstractVillager;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.pathfinder.BlockPathTypes;
import net.minecraftforge.client.event.RenderGameOverlayEvent.BossInfo;
                                //我们的boss继承自劫掠兽
public class EntityRe8Dimi extends Ravager {
    //boss血条信息
    private final ServerBossEvent bossInfo = (ServerBossEvent)(new ServerBossEvent(this.getDisplayName(), BossEvent.BossBarColor.PURPLE, BossEvent.BossBarOverlay.PROGRESS)).setDarkenScreen(true);
    private static final EntityDataAccessor<Integer> DATA_ID_INV = SynchedEntityData.defineId(EntityRe8Dimi.class, EntityDataSerializers.INT);
    //我们的boss不攻击类型为不死亡灵类的生物(凋零骷髅一类)
    private static final Predicate<LivingEntity> LIVING_ENTITY_SELECTOR = (p_31504_) -> {
        return p_31504_.getMobType() != MobType.UNDEAD && p_31504_.attackable();
     };
     
    public EntityRe8Dimi(EntityType<? extends Ravager> type, Level worldIn) {
        super(type, worldIn);
        this.xpReward = 150;
        this.isNonBoss();
        this.isSunSensitive();
        this.setPathfindingMalus(BlockPathTypes.LAVA, 8.0F);
    }
    //是否怕阳光
    protected boolean isSunSensitive() {
        return true;
    }

    public void aiStep() {


        super.aiStep();
    }
    //设置生物属性(最大血量、移动速度、攻击力、护甲值等)
    public static AttributeSupplier.Builder prepareAttributes() {
        return Monster.createMonsterAttributes().add(Attributes.MAX_HEALTH, 120.0D).
                add(Attributes.MOVEMENT_SPEED, 0.28D).
                add(Attributes.FOLLOW_RANGE, 48.0D).
                add(Attributes.ARMOR, 8.0D).
                add(Attributes.ARMOR_TOUGHNESS, 10.0D).
                add(Attributes.KNOCKBACK_RESISTANCE, 0.85D).
                add(Attributes.ATTACK_DAMAGE, 9.0D);
    }
    //给生物设置攻击行为
    @Override
    protected void registerGoals() {
        super.registerGoals();
        this.goalSelector.addGoal(1, new RandomLookAroundGoal(this));
        this.goalSelector.addGoal(2, new LookAtPlayerGoal(this, Player.class, 8.0F));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, LivingEntity.class, 0, false, false, LIVING_ENTITY_SELECTOR));
        this.addBehaviourGoals();
    }
    //给生物添加其行为
    protected void addBehaviourGoals() {
        this.goalSelector.addGoal(7, new WaterAvoidingRandomStrollGoal(this, 1.0D));
        this.targetSelector.addGoal(1, (new HurtByTargetGoal(this)).setAlertOthers(ZombifiedPiglin.class));
        this.targetSelector.addGoal(2, new NearestAttackableTargetGoal<>(this, Player.class, true));
        this.targetSelector.addGoal(3, new NearestAttackableTargetGoal<>(this, AbstractVillager.class, false));
        this.targetSelector.addGoal(3, new NearestAttackableTargetGoal<>(this, IronGolem.class, true));
//        this.targetSelector.addGoal(4, new NearestAttackableTargetGoal<>(this, EntityEthan.class, true));
    }

    //生物攻击其他生物
    public boolean doHurtTarget(Entity entityIn) {
        if(!super.doHurtTarget(entityIn))
        {
            return false;
        }
        else{
            //如果攻击的对象是生物，就给这个对象一个凋零效果，持续1s(20ticks=1s)
            if(entityIn instanceof LivingEntity)
            {
                ((LivingEntity)entityIn).addEffect(new MobEffectInstance(MobEffects.WITHER, 20,0,true,true));
            }
            return true;
        }
    }
    
    //生物死亡音效
    @Override
    protected SoundEvent getDeathSound() {
//        Random ran = new Random();
//        int co = ran.nextInt(3);
//        if(co==0)
//        {
//            return SoundInit.ENTITY_DIMI_DEATH1.get();
//        }
//        else if(co==1) return SoundInit.ENTITY_DIMI_DEATH2.get();
        return SoundEvents.BEE_DEATH;
    }
    // 生物在玩家身边的音效
    protected SoundEvent