My entity that will be spawns in nether burn in fire

[OrcaWorld]

Hello everyone! I'm back with another problem. I made nether mob for my mod. I combined Ghast's and Blaze's AI. But for some reason it getting hurt meanwile it's in fire.

package com.orca.kikoriki;

import net.minecraft.block.BlockState;
import net.minecraft.block.Blocks;
import net.minecraft.entity.EntitySize;
import net.minecraft.entity.EntityType;
import net.minecraft.entity.LivingEntity;
import net.minecraft.entity.MobEntity;
import net.minecraft.entity.Pose;
import net.minecraft.entity.SpawnReason;
import net.minecraft.entity.ai.attributes.AttributeModifierMap;
import net.minecraft.entity.ai.attributes.Attributes;
import net.minecraft.entity.ai.goal.Goal;
import net.minecraft.entity.ai.goal.LookRandomlyGoal;
import net.minecraft.entity.ai.goal.NearestAttackableTargetGoal;
import net.minecraft.entity.ai.goal.WaterAvoidingRandomWalkingGoal;
import net.minecraft.entity.monster.MonsterEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.entity.projectile.FireballEntity;
import net.minecraft.entity.projectile.SmallFireballEntity;
import net.minecraft.nbt.CompoundNBT;
import net.minecraft.network.datasync.DataParameter;
import net.minecraft.network.datasync.DataSerializers;
import net.minecraft.network.datasync.EntityDataManager;
import net.minecraft.pathfinding.PathNodeType;
import net.minecraft.util.DamageSource;
import net.minecraft.util.SoundCategory;
import net.minecraft.util.SoundEvent;
import net.minecraft.util.SoundEvents;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.math.vector.Vector3d;
import net.minecraft.world.Difficulty;
import net.minecraft.world.IWorld;
import net.minecraft.world.World;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

import java.util.EnumSet;
import java.util.Random;

public class DemonEntity extends MonsterEntity {
    private static final DataParameter<Boolean> ATTACKING = EntityDataManager.createKey(DemonEntity.class, DataSerializers.BOOLEAN);
    private static final DataParameter<Byte> ON_FIRE = EntityDataManager.createKey(DemonEntity.class, DataSerializers.BYTE);
    private int explosionStrength = 7;

    public DemonEntity(EntityType<? extends DemonEntity> type, World p_i50215_2_) {
        super(type, p_i50215_2_);
        this.setPathPriority(PathNodeType.WATER, -1.0F);
        this.setPathPriority(PathNodeType.LAVA, 8.0F);
        this.setPathPriority(PathNodeType.DANGER_FIRE, 0.0F);
        this.setPathPriority(PathNodeType.DAMAGE_FIRE, 0.0F);
        this.experienceValue = 500;
    }

    protected void registerGoals() {
        this.goalSelector.addGoal(5, new WaterAvoidingRandomWalkingGoal(this, 1.0D));
        this.goalSelector.addGoal(7, new LookRandomlyGoal(this));
        this.goalSelector.addGoal(7, new DemonEntity.FireballAttackGoal(this));
        this.goalSelector.addGoal(4, new DemonEntity.SmallFireballAttackGoal(this));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, PlayerEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, KrashEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, ChickoEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, CarlinEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, OlgaEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, RosaEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, WalleyEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, DokkoEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, KopatuchEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, PinEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, IronNurseEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
        this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, GiantButterFlyEntity.class, 10, true, false, (p_213812_1_) -> {
            return Math.abs(p_213812_1_.getPosY() - this.getPosY()) <= 30.0D;
        }));
    }

    @OnlyIn(Dist.CLIENT)
    public boolean isAttacking() {
        return this.dataManager.get(ATTACKING);
    }

    public void setAttacking(boolean attacking) {
        this.dataManager.set(ATTACKING, attacking);
    }

    public int getFireballStrength() {
        return this.explosionStrength;
    }

    /**
     * Returns true if the entity is on fire. Used by render to add the fire effect on rendering.
     */
    public boolean isBurning() {
        return this.isCharged();
    }

    private boolean isCharged() {
        return (this.dataManager.get(ON_FIRE) & 1) != 0;
    }

    private void setOnFire(boolean onFire) {
        byte b0 = this.dataManager.get(ON_FIRE);
        if (onFire) {
            b0 = (byte)(b0 | 1);
        } else {
            b0 = (byte)(b0 & -2);
        }

        this.dataManager.set(ON_FIRE, b0);
    }

    /**
     * Called when the entity is attacked.
     */
    public boolean attackEntityFrom(DamageSource source, float amount) {
        if (this.isInvulnerableTo(source)) {
            return false;
        } else if (source.getImmediateSource() instanceof FireballEntity && source.getTrueSource() instanceof PlayerEntity) {
            super.attackEntityFrom(source, 1000.0F);
            return true;
        } else {
            return super.attackEntityFrom(source, amount);
        }
    }

    protected void registerData() {
        super.registerData();
        this.dataManager.register(ON_FIRE, (byte)0);
        this.dataManager.register(ATTACKING, false);
    }

    public static AttributeModifierMap.MutableAttribute func_234290_eH_() {
        return MobEntity.func_233666_p_().func_233815_a_(Attributes.field_233818_a_, 500.0D).func_233815_a_(Attributes.field_233819_b_, 200.0D);
    }

    public SoundCategory getSoundCategory() {
        return SoundCategory.HOSTILE;
    }

    protected SoundEvent getAmbientSound() {
        return null;
    }

    protected SoundEvent getHurtSound(DamageSource damageSourceIn) {
        return SoundEvents.ENTITY_GHAST_HURT;
    }

    protected SoundEvent getDeathSound() {
        return null;
    }

    /**
     * Returns the volume for the sounds this mob makes.
     */
    protected float getSoundVolume() {
        return 5.0F;
    }

    public static boolean func_223368_b(EntityType<net.minecraft.entity.monster.GhastEntity> p_223368_0_, IWorld p_223368_1_, SpawnReason reason, BlockPos p_223368_3_, Random p_223368_4_) {
        return p_223368_1_.getDifficulty() != Difficulty.PEACEFUL && p_223368_4_.nextInt(20) == 0 && canSpawnOn(p_223368_0_, p_223368_1_, reason, p_223368_3_, p_223368_4_);
    }

    /**
     * Will return how many at most can spawn in a chunk at once.
     */
    public int getMaxSpawnedInChunk() {
        return 1;
    }

    public void writeAdditional(CompoundNBT compound) {
        super.writeAdditional(compound);
        compound.putInt("ExplosionPower", this.explosionStrength);
    }

    /**
     * (abstract) Protected helper method to read subclass entity data from NBT.
     */
    public void readAdditional(CompoundNBT compound) {
        super.readAdditional(compound);
        if (compound.contains("ExplosionPower", 99)) {
            this.explosionStrength = compound.getInt("ExplosionPower");
        }
    }
        /**
         * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
         * use this to react to sunlight and start to burn.
         */
        public void livingTick () {
            super.livingTick();
            if (!this.world.isRemote) {
                int i = MathHelper.floor(this.getPosX());
                int j = MathHelper.floor(this.getPosY());
                int k = MathHelper.floor(this.getPosZ());
                if (this.world.getBiome(new BlockPos(i, 0, k)).getTemperature(new BlockPos(i, j, k)) < 1.0F) {
                }

                if (!net.minecraftforge.event.ForgeEventFactory.getMobGriefingEvent(this.world, this)) {
                    return;
                }

                BlockState blockstate = Blocks.FIRE.getDefaultState();

                for (int l = 0; l < 4; ++l) {
                    i = MathHelper.floor(this.getPosX() + (double) ((float) (l % 2 * 2 - 1) * 0.25F));
                    j = MathHelper.floor(this.getPosY());
                    k = MathHelper.floor(this.getPosZ() + (double) ((float) (l / 2 % 2 * 2 - 1) * 0.25F));
                    BlockPos blockpos = new BlockPos(i, j, k);
                    if (this.world.isAirBlock(blockpos) && this.world.getBiome(blockpos).getTemperature(blockpos) < 0.8F && blockstate.isValidPosition(this.world, blockpos)) {
                        this.world.setBlockState(blockpos, blockstate);
                    }
                }
            }
    }

    protected float getStandingEyeHeight(Pose poseIn, EntitySize sizeIn) {
        return 2.6F;
    }

    static class FireballAttackGoal extends Goal {
        private final DemonEntity parentEntity;
        public int attackTimer;

        public FireballAttackGoal(DemonEntity demon) {
            this.parentEntity = demon;
        }

        /**
         * Returns whether execution should begin. You can also read and cache any state necessary for execution in this
         * method as well.
         */
        public boolean shouldExecute() {
            return this.parentEntity.getAttackTarget() != null;
        }

        /**
         * Execute a one shot task or start executing a continuous task
         */
        public void startExecuting() {
            this.attackTimer = 0;
        }

        /**
         * Reset the task's internal state. Called when this task is interrupted by another one
         */
        public void resetTask() {
            this.parentEntity.setAttacking(false);
        }

        /**
         * Keep ticking a continuous task that has already been started
         */
        public void tick() {
            LivingEntity livingentity = this.parentEntity.getAttackTarget();
            double d0 = 64.0D;
            if (livingentity.getDistanceSq(this.parentEntity) < 4096.0D && this.parentEntity.canEntityBeSeen(livingentity)) {
                World world = this.parentEntity.world;
                ++this.attackTimer;
                if (this.attackTimer == 10 && !this.parentEntity.isSilent()) {
                    world.playEvent((PlayerEntity)null, 1015, this.parentEntity.func_233580_cy_(), 0);
                }

                if (this.attackTimer == 20) {
                    double d1 = 4.0D;
                    Vector3d vector3d = this.parentEntity.getLook(1.0F);
                    double d2 = livingentity.getPosX() - (this.parentEntity.getPosX() + vector3d.x * 4.0D);
                    double d3 = livingentity.getPosYHeight(0.5D) - (0.5D + this.parentEntity.getPosYHeight(0.5D));
                    double d4 = livingentity.getPosZ() - (this.parentEntity.getPosZ() + vector3d.z * 4.0D);
                    if (!this.parentEntity.isSilent()) {
                        world.playEvent((PlayerEntity)null, 1016, this.parentEntity.func_233580_cy_(), 0);
                    }

                    FireballEntity fireballentity = new FireballEntity(world, this.parentEntity, d2, d3, d4);
                    fireballentity.explosionPower = this.parentEntity.getFireballStrength();
                    fireballentity.setPosition(this.parentEntity.getPosX() + vector3d.x * 4.0D, this.parentEntity.getPosYHeight(0.5D) + 0.5D, fireballentity.getPosZ() + vector3d.z * 4.0D);
                    world.addEntity(fireballentity);
                    this.attackTimer = -40;
                }
            } else if (this.attackTimer > 0) {
                --this.attackTimer;
            }

            this.parentEntity.setAttacking(this.attackTimer > 1);
        }
    }

    static class SmallFireballAttackGoal extends Goal {
        private final DemonEntity demon;
        private int attackStep;
        private int attackTime;
        private int field_223527_d;

        public SmallFireballAttackGoal(DemonEntity demonIn) {
            this.demon = demonIn;
            this.setMutexFlags(EnumSet.of(Flag.MOVE, Flag.LOOK));
        }

        /**
         * Returns whether execution should begin. You can also read and cache any state necessary for execution in this
         * method as well.
         */
        public boolean shouldExecute() {
            LivingEntity livingentity = this.demon.getAttackTarget();
            return livingentity != null && livingentity.isAlive() && this.demon.canAttack(livingentity);
        }

        /**
         * Execute a one shot task or start executing a continuous task
         */
        public void startExecuting() {
            this.attackStep = 0;
        }

        /**
         * Reset the task's internal state. Called when this task is interrupted by another one
         */
        public void resetTask() {
            this.demon.setOnFire(false);
            this.field_223527_d = 0;
        }

        /**
         * Keep ticking a continuous task that has already been started
         */
        public void tick() {
            --this.attackTime;
            LivingEntity livingentity = this.demon.getAttackTarget();
            if (livingentity != null) {
                boolean flag = this.demon.getEntitySenses().canSee(livingentity);
                if (flag) {
                    this.field_223527_d = 0;
                } else {
                    ++this.field_223527_d;
                }

                double d0 = this.demon.getDistanceSq(livingentity);
                if (d0 < 4.0D) {
                    if (!flag) {
                        return;
                    }

                    if (this.attackTime <= 0) {
                        this.attackTime = 20;
                        this.demon.attackEntityAsMob(livingentity);
                    }

                    this.demon.getMoveHelper().setMoveTo(livingentity.getPosX(), livingentity.getPosY(), livingentity.getPosZ(), 1.0D);
                } else if (d0 < this.getFollowDistance() * this.getFollowDistance() && flag) {
                    double d1 = livingentity.getPosX() - this.demon.getPosX();
                    double d2 = livingentity.getPosYHeight(0.5D) - this.demon.getPosYHeight(0.5D);
                    double d3 = livingentity.getPosZ() - this.demon.getPosZ();
                    if (this.attackTime <= 0) {
                        ++this.attackStep;
                        if (this.attackStep == 1) {
                            this.attackTime = 60;
                            this.demon.setOnFire(true);
                        } else if (this.attackStep <= 4) {
                            this.attackTime = 6;
                        } else {
                            this.attackTime = 100;
                            this.attackStep = 0;
                            this.demon.setOnFire(false);
                        }

                        if (this.attackStep > 1) {
                            float f = MathHelper.sqrt(MathHelper.sqrt(d0)) * 0.5F;
                            if (!this.demon.isSilent()) {
                                this.demon.world.playEvent((PlayerEntity)null, 1018, this.demon.func_233580_cy_(), 0);
                            }

                            for(int i = 0; i < 1; ++i) {
                                SmallFireballEntity smallfireballentity = new SmallFireballEntity(this.demon.world, this.demon, d1 + this.demon.getRNG().nextGaussian() * (double)f, d2, d3 + this.demon.getRNG().nextGaussian() * (double)f);
                                smallfireballentity.setPosition(smallfireballentity.getPosX(), this.demon.getPosYHeight(0.5D) + 0.5D, smallfireballentity.getPosZ());
                                this.demon.world.addEntity(smallfireballentity);
                            }
                        }
                    }

                    this.demon.getLookController().setLookPositionWithEntity(livingentity, 10.0F, 10.0F);
                } else if (this.field_223527_d < 5) {
                    this.demon.getMoveHelper().setMoveTo(livingentity.getPosX(), livingentity.getPosY(), livingentity.getPosZ(), 1.0D);
                }

                super.tick();
            }
        }

        private double getFollowDistance() {
            return this.demon.func_233637_b_(Attributes.field_233819_b_);
        }
    }
}

[vemerion]

When you register your entity type, call the method immuneToFire().

[OrcaWorld]

21 hours ago, vemerion said:

When you register your entity type, call the method immuneToFire().

Amm , can you tell me more about that , please. Because when I tried to write to my Demon immuneToFire return true , it still getting hurt in fire.

Edited October 17, 2020 by OrcaWorld

[Beethoven92]

Take a look at how vanilla handles entities that are immune to fire in the EntityType class...see how the blaze entity is registered