Java 类net.minecraft.entity.ai.EntityAITarget 实例源码

public EntityAIFindEntityNearestSkins(EntityLiving entityLivingIn) {
    this.taskOwner = entityLivingIn;

    if (entityLivingIn instanceof EntityCreature) {
        LOGGER.warn("Use NearestAttackableTargetGoal.class for PathfinderMob mobs!");
    }

    this.predicate = p_apply_1_ -> {
        if (!(p_apply_1_ instanceof EntityArmyMember)) {
            return false;
        } else if (p_apply_1_.getIsInvulnerable()) {
            return false;
        } else {
            double maxTargetRange = EntityAIFindEntityNearestSkins.this.maxTargetRange();

            return !((double) p_apply_1_.getDistanceToEntity(EntityAIFindEntityNearestSkins.this.taskOwner) > maxTargetRange) && (EntityAITarget.isSuitableTarget(EntityAIFindEntityNearestSkins.this.taskOwner, (EntityLivingBase) p_apply_1_, false, true) && CAN_ATTACK_ARMY_MEMBER.test((EntityArmyMember) p_apply_1_));
        }
    };
    this.sorter = new EntityAINearestAttackableTarget.Sorter(entityLivingIn);
}

public boolean isEntityValidToAttack(EntityMinionWarrior minion, EntityLivingBase entity)
{
    if(entity == minion || entity == minion.getRidingEntity() || !EntityAITarget.isSuitableTarget(minion, entity, false, false) || entity.getClass() == EntityCreeper.class) return false;

    if (entity instanceof EntityMob &&
            (getTargetBehavior() == EnumCombatBehaviors.TARGET_HOSTILE_MOBS || 
            getTargetBehavior() == EnumCombatBehaviors.TARGET_PASSIVE_OR_HOSTILE_MOBS))
    {
        return true;
    }

    else if (entity instanceof EntityAnimal &&
            (getTargetBehavior() == EnumCombatBehaviors.TARGET_PASSIVE_MOBS || 
            getTargetBehavior() == EnumCombatBehaviors.TARGET_PASSIVE_OR_HOSTILE_MOBS))
    {
        return true;
    }

    else
    {
        return false;
    }
}

public EntityAIFindOtherSlimeNearest(final EntitySlime mobIn)
{
    super(mobIn, EntitySlime.class);
    this.slime = mobIn;
    Predicate<EntityLivingBase> predicate = entity -> {
        double range = EntityAIFindOtherSlimeNearest.this.getFollowRange();
        return entity != null
                && entity != mobIn
                && entity.getClass() == mobIn.getClass()
                && entity.ticksExisted > AGE_LIMIT
                && !entity.isInvisible()
                && entity.getDistance(mobIn) <= range
                && ((EntitySlime) entity).getSlimeSize() == mobIn.getSlimeSize()
                && EntityAITarget.isSuitableTarget(mobIn, entity, false, true);
    };

    try
    {
        predicateField.set(this, predicate);
    }
    catch (IllegalAccessException e)
    {
        throw new ReportedException(new CrashReport("Could not set private field '" + predicateField.getName() + "'", e));
    }
}

@Override
public void updateTask() {
    EntityLivingBase target=this.host.getAttackTarget();
    World world=this.host.world;
    this.host.getLookHelper().setLookPositionWithEntity(target, 30F, 90F);
    if(attackDuration<20){
        this.host.getNavigator().tryMoveToEntityLiving(target, 1f);
    }
    if(--this.attackDuration<=0){

        this.host.swingArm(EnumHand.MAIN_HAND);
        if(this.attacksMade>0&&this.attacksMade%13==0){
            this.host.setBombSpell(true);
            this.host.bombDuration=200;
            BlockPos pos = this.host.world.getTopSolidOrLiquidBlock(this.host.getPosition());
            this.host.topBlock=pos.getY()+7+this.host.rand.nextInt(3);
            this.attackDuration=200;
        }
        else if(this.attacksMade%2==0){
            this.attackDuration=20-this.host.level/4;
            if(this.host.getDistanceSqToEntity(target)<6){
                if(this.host.attackEntityAsMob(target)){
                    target.knockBack(this.host, (float)1.5f, (double)MathHelper.sin(this.host.rotationYaw * 0.017453292F), (double)(-MathHelper.cos(this.host.rotationYaw * 0.017453292F)));
                }
            }
            else{
            ((ItemProjectileWeapon) this.host.getHeldItemMainhand().getItem()).shoot(
                    this.host.getHeldItemMainhand(), this.host, world, 0, EnumHand.MAIN_HAND);
            }
        }
        else{
            this.attackDuration=(int) (55/(0.92+this.host.level*0.08f));
            this.host.getNavigator().clearPathEntity();
            this.host.playSound(TF2Sounds.MOB_MERASMUS_SPELL, 2F, 1F);
            boolean attacked=false;
            for(EntityLivingBase living:world.getEntitiesWithinAABB(EntityLivingBase.class, this.host.getEntityBoundingBox().grow(12, 5, 12), new Predicate<EntityLivingBase>(){

                @Override
                public boolean apply(EntityLivingBase input) {
                    // TODO Auto-generated method stub
                    return input.getDistanceSqToEntity(host)<144&&!TF2Util.isOnSameTeam(host, input)&&EntityAITarget.isSuitableTarget(host, input, false, false);
                }

            })){
                living.attackEntityFrom(new EntityDamageSource("magicm",this.host).setMagicDamage().setDifficultyScaled(), 6);
                living.addVelocity(0, 1.25, 0);
                living.fallDistance=-10;
                attacked=true;
            }
            if(!attacked)
                this.host.teleportCooldown-=20;
        }
        this.attacksMade++;
    }
}

public boolean isEntityValidToAttack(EntityBombomb bombomb, EntityLivingBase entity)
{
    if(entity == bombomb || entity == bombomb.getRidingEntity() || !EntityAITarget.isSuitableTarget(bombomb, entity, false, false) || entity.getClass() == EntityCreeper.class) return false;
    return true;
}