版本信息
你使用的IDE：IntelliJ IDEA
你使用的IDE版本:<2019.3.2.0>
Forge版本: <forge-1.15.2-31.1.0>
Minecraft版本: <1.15.2>
情况简述
今天好不容易弄好了实体和实体的模型构建。我模仿了一个类似苦力怕的生物，可以靠近怪物并自爆。虽然这个生物的代码几乎是照抄过来的，并且把该生物的敌对对象设定为怪物，而不是玩家，但是它只靠近生物却不会发生爆炸，除非用“summon”指令在怪物旁边召唤一个，或者用刷怪蛋弄出很多个，才会发生爆炸。
相关代码
<该生物的代码：SuicideBomber.class>
package com.specialitem.specialitem.entity;
import net.minecraft.entity.*;
import net.minecraft.entity.ai.goal.*;
import net.minecraft.entity.effect.LightningBoltEntity;
import net.minecraft.entity.merchant.villager.AbstractVillagerEntity;
import net.minecraft.entity.monster.MonsterEntity;
import net.minecraft.entity.monster.ZombiePigmanEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Items;
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.potion.EffectInstance;
import net.minecraft.util.DamageSource;
import net.minecraft.util.Hand;
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.world.Explosion;
import net.minecraft.world.World;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import java.util.Collection;
public class SuicideBomber extends CreatureEntity implements IChargeableMob {
public SuicideBomber(EntityType<? extends SuicideBomber> type, World worldIn) {
super(type, worldIn);
}
private static final DataParameter<Integer> STATE = EntityDataManager.createKey(SuicideBomber.class, DataSerializers.VARINT);
private static final DataParameter<Boolean> POWERED = EntityDataManager.createKey(SuicideBomber.class, DataSerializers.BOOLEAN);
private static final DataParameter<Boolean> IGNITED = EntityDataManager.createKey(SuicideBomber.class, DataSerializers.BOOLEAN);
private int lastActiveTime;
private int timeSinceIgnited;
private int fuseTime = 10;
private int explosionRadius = 5;
protected void registerGoals() {
this.goalSelector.addGoal(1, new SwimGoal(this));
this.goalSelector.addGoal(8, new LookRandomlyGoal(this));
this.goalSelector.addGoal(2, new MeleeAttackGoal(this, 1.0D, true));
this.goalSelector.addGoal(2, new MoveTowardsTargetGoal(this, 0.9D, 32.0F));
this.goalSelector.addGoal(3, new WaterAvoidingRandomWalkingGoal(this, 0.8D));
this.goalSelector.addGoal(4, new LookAtGoal(this, MobEntity.class, 20.0F));
this.goalSelector.addGoal(4, new LookAtGoal(this, MonsterEntity.class, 20.0F));
this.goalSelector.addGoal(4, new LookAtGoal(this, AbstractVillagerEntity.class, 10.0F));
this.goalSelector.addGoal(2, new LookRandomlyGoal(this));
this.goalSelector.addGoal(2, new SuicideBomberSwellGoal(this));
this.applyEntityAI();
}
protected void applyEntityAI() {
this.targetSelector.addGoal(3, new NearestAttackableTargetGoal<>(this, AbstractVillagerEntity.class, true));
this.targetSelector.addGoal(2, new NearestAttackableTargetGoal<>(this, MonsterEntity.class, true));
this.targetSelector.addGoal(4, new HurtByTargetGoal(this));
}
protected void registerAttributes() {
super.registerAttributes();
this.getAttribute(SharedMonsterAttributes.MOVEMENT_SPEED).setBaseValue(0.3D);
this.getAttribute(SharedMonsterAttributes.MAX_HEALTH).setBaseValue(100);
}
public int getMaxFallHeight() {
return this.getAttackTarget() == null ? 3 : 3 + (int)(this.getHealth() - 1.0F);
}
public boolean func_225503_b_(float p_225503_1_, float p_225503_2_) {
boolean flag = super.func_225503_b_(p_225503_1_, p_225503_2_);
this.timeSinceIgnited = (int)((float)this.timeSinceIgnited + p_225503_1_ * 1.5F);
if (this.timeSinceIgnited > this.fuseTime - 5) {
this.timeSinceIgnited = this.fuseTime - 5;
}
return flag;
}
protected void registerData() {
super.registerData();
this.dataManager.register(STATE, -1);
this.dataManager.register(POWERED, false);
this.dataManager.register(IGNITED, false);
}
public void writeAdditional(CompoundNBT compound) {
super.writeAdditional(compound);
if (this.dataManager.get(POWERED)) {
compound.putBoolean("powered", true);
}
compound.putShort("Fuse", (short)this.fuseTime);
compound.putByte("ExplosionRadius", (byte)this.explosionRadius);
compound.putBoolean("ignited", this.hasIgnited());
}
public void readAdditional(CompoundNBT compound) {
super.readAdditional(compound);
this.dataManager.set(POWERED, compound.getBoolean("powered"));
if (compound.contains("Fuse", 99)) {
this.fuseTime = compound.getShort("Fuse");
}
if (compound.contains("ExplosionRadius", 99)) {
this.explosionRadius = compound.getByte("ExplosionRadius");
}
if (compound.getBoolean("ignited")) {
this.ignite();
}
}
public void tick() {
if (this.isAlive()) {
if (this.hasIgnited()) {
this.setCreeperState(1);
}
int i = this.getCreeperState();
if (i > 0 && this.timeSinceIgnited == 0) {
this.playSound(SoundEvents.ENTITY_CREEPER_PRIMED, 1.0F, 0.5F);
}
this.timeSinceIgnited += i;
if (this.timeSinceIgnited < 0) {
this.timeSinceIgnited = 0;
}
if (this.timeSinceIgnited >= this.fuseTime) {
this.timeSinceIgnited = this.fuseTime;
this.explode();
}
}
super.tick();
}
protected SoundEvent getHurtSound(DamageSource damageSourceIn) {
return SoundEvents.ENTITY_PLAYER_HURT;
}
protected SoundEvent getDeathSound() {
return SoundEvents.ENTITY_CREEPER_DEATH;
}
public boolean attackEntityAsMob(Entity entityIn) {
return true;
}
@Override
public boolean func_225509_J__() {
return this.dataManager.get(POWERED);
}
@OnlyIn(Dist.CLIENT)
public float getCreeperFlashIntensity(float partialTicks) {
return MathHelper.lerp(partialTicks, (float)this.lastActiveTime, (float)this.timeSinceIgnited) / (float)(this.fuseTime - 2);
}
public int getCreeperState() {
return this.dataManager.get(STATE);
}
public void setCreeperState(int state) {
this.dataManager.set(STATE, state);
}
public void onStruckByLightning(LightningBoltEntity lightningBolt) {
super.onStruckByLightning(lightningBolt);
this.dataManager.set(POWERED, true);
}
protected boolean processInteract(PlayerEntity player, Hand hand) {
ItemStack itemstack = player.getHeldItem(hand);
if (itemstack.getItem() == Items.FLINT_AND_STEEL) {
this.world.playSound(player, this.func_226277_ct_(), this.func_226278_cu_(), this.func_226281_cx_(), SoundEvents.ITEM_FLINTANDSTEEL_USE, this.getSoundCategory(), 1.0F, this.rand.nextFloat() * 0.4F + 0.8F);
if (!this.world.isRemote) {
this.ignite();
itemstack.damageItem(1, player, (p_213625_1_) -> {
p_213625_1_.sendBreakAnimation(hand);
});
}
return true;
} else {
return super.processInteract(player, hand);
}
}
private void explode() {
if (!this.world.isRemote) {
Explosion.Mode explosion$mode = net.minecraftforge.event.ForgeEventFactory.getMobGriefingEvent(this.world, this) ? Explosion.Mode.DESTROY : Explosion.Mode.NONE;
float f = this.func_225509_J__() ? 2.0F : 1.0F;
this.dead = true;
this.world.createExplosion(this, this.func_226277_ct_(), this.func_226278_cu_(), this.func_226281_cx_(), (float)this.explosionRadius * f, explosion$mode);
this.remove();
this.spawnLingeringCloud();
}
}
private void spawnLingeringCloud() {
Collection<EffectInstance> collection = this.getActivePotionEffects();
if (!collection.isEmpty()) {
AreaEffectCloudEntity areaeffectcloudentity = new AreaEffectCloudEntity(this.world, this.func_226277_ct_(), this.func_226278_cu_(), this.func_226281_cx_());
areaeffectcloudentity.setRadius(2.5F);
areaeffectcloudentity.setRadiusOnUse(-0.5F);
areaeffectcloudentity.setWaitTime(10);
areaeffectcloudentity.setDuration(areaeffectcloudentity.getDuration() / 2);
areaeffectcloudentity.setRadiusPerTick(-areaeffectcloudentity.getRadius() / (float)areaeffectcloudentity.getDuration());
for(EffectInstance effectinstance : collection) {
areaeffectcloudentity.addEffect(new EffectInstance(effectinstance));
}
this.world.addEntity(areaeffectcloudentity);
}
}
public boolean hasIgnited() {
return this.dataManager.get(IGNITED);
}
public void ignite() {
this.dataManager.set(IGNITED, true);
}
}
<苦力怕的代码：Creeper.class>
package net.minecraft.entity.monster;
import java.util.Collection;
import net.minecraft.entity.AreaEffectCloudEntity;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityType;
import net.minecraft.entity.IChargeableMob;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.ai.goal.AvoidEntityGoal;
import net.minecraft.entity.ai.goal.CreeperSwellGoal;
import net.minecraft.entity.ai.goal.HurtByTargetGoal;
import net.minecraft.entity.ai.goal.LookAtGoal;
import net.minecraft.entity.ai.goal.LookRandomlyGoal;
import net.minecraft.entity.ai.goal.MeleeAttackGoal;
import net.minecraft.entity.ai.goal.NearestAttackableTargetGoal;
import net.minecraft.entity.ai.goal.SwimGoal;
import net.minecraft.entity.ai.goal.WaterAvoidingRandomWalkingGoal;
import net.minecraft.entity.effect.LightningBoltEntity;
import net.minecraft.entity.passive.CatEntity;
import net.minecraft.entity.passive.OcelotEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Items;
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.potion.EffectInstance;
import net.minecraft.util.DamageSource;
import net.minecraft.util.Hand;
import net.minecraft.util.SoundEvent;
import net.minecraft.util.SoundEvents;
import net.minecraft.util.math.MathHelper;
import net.minecraft.world.Explosion;
import net.minecraft.world.GameRules;
import net.minecraft.world.World;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
@OnlyIn(
value = Dist.CLIENT,
_interface = IChargeableMob.class
)
public class CreeperEntity extends MonsterEntity implements IChargeableMob {
private static final DataParameter<Integer> STATE = EntityDataManager.createKey(CreeperEntity.class, DataSerializers.VARINT);
private static final DataParameter<Boolean> POWERED = EntityDataManager.createKey(CreeperEntity.class, DataSerializers.BOOLEAN);
private static final DataParameter<Boolean> IGNITED = EntityDataManager.createKey(CreeperEntity.class, DataSerializers.BOOLEAN);
private int lastActiveTime;
private int timeSinceIgnited;
private int fuseTime = 30;
private int explosionRadius = 3;
private int droppedSkulls;
public CreeperEntity(EntityType<? extends CreeperEntity> type, World worldIn) {
super(type, worldIn);
}
protected void registerGoals() {
this.goalSelector.addGoal(1, new SwimGoal(this));
this.goalSelector.addGoal(2, new CreeperSwellGoal(this));
this.goalSelector.addGoal(3, new AvoidEntityGoal<>(this, OcelotEntity.class, 6.0F, 1.0D, 1.2D));
this.goalSelector.addGoal(3, new AvoidEntityGoal<>(this, CatEntity.class, 6.0F, 1.0D, 1.2D));
this.goalSelector.addGoal(4, new MeleeAttackGoal(this, 1.0D, false));
this.goalSelector.addGoal(5, new WaterAvoidingRandomWalkingGoal(this, 0.8D));
this.goalSelector.addGoal(6, new LookAtGoal(this, PlayerEntity.class, 8.0F));
this.goalSelector.addGoal(6, new LookRandomlyGoal(this));
this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, PlayerEntity.class, true));
this.targetSelector.addGoal(2, new HurtByTargetGoal(this));
}
protected void registerAttributes() {
super.registerAttributes();
this.getAttribute(SharedMonsterAttributes.MOVEMENT_SPEED).setBaseValue(0.25D);
}
/**
* The maximum height from where the entity is alowed to jump (used in pathfinder)
*/
public int getMaxFallHeight() {
return this.getAttackTarget() == null ? 3 : 3 + (int)(this.getHealth() - 1.0F);
}
public boolean func_225503_b_(float p_225503_1_, float p_225503_2_) {
boolean flag = super.func_225503_b_(p_225503_1_, p_225503_2_);
this.timeSinceIgnited = (int)((float)this.timeSinceIgnited + p_225503_1_ * 1.5F);
if (this.timeSinceIgnited > this.fuseTime - 5) {
this.timeSinceIgnited = this.fuseTime - 5;
}
return flag;
}
protected void registerData() {
super.registerData();
this.dataManager.register(STATE, -1);
this.dataManager.register(POWERED, false);
this.dataManager.register(IGNITED, false);
}
public void writeAdditional(CompoundNBT compound) {
super.writeAdditional(compound);
if (this.dataManager.get(POWERED)) {
compound.putBoolean("powered", true);
}
compound.putShort("Fuse", (short)this.fuseTime);
compound.putByte("ExplosionRadius", (byte)this.explosionRadius);
compound.putBoolean("ignited", this.hasIgnited());
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
public void readAdditional(CompoundNBT compound) {
super.readAdditional(compound);
this.dataManager.set(POWERED, compound.getBoolean("powered"));
if (compound.contains("Fuse", 99)) {
this.fuseTime = compound.getShort("Fuse");
}
if (compound.contains("ExplosionRadius", 99)) {
this.explosionRadius = compound.getByte("ExplosionRadius");
}
if (compound.getBoolean("ignited")) {
this.ignite();
}
}
/**
* Called to update the entity's position/logic.
*/
public void tick() {
if (this.isAlive()) {
this.lastActiveTime = this.timeSinceIgnited;
if (this.hasIgnited()) {
this.setCreeperState(1);
}
int i = this.getCreeperState();
if (i > 0 && this.timeSinceIgnited == 0) {
this.playSound(SoundEvents.ENTITY_CREEPER_PRIMED, 1.0F, 0.5F);
}
this.timeSinceIgnited += i;
if (this.timeSinceIgnited < 0) {
this.timeSinceIgnited = 0;
}
if (this.timeSinceIgnited >= this.fuseTime) {
this.timeSinceIgnited = this.fuseTime;
this.explode();
}
}
super.tick();
}
protected SoundEvent getHurtSound(DamageSource damageSourceIn) {
return SoundEvents.ENTITY_CREEPER_HURT;
}
protected SoundEvent getDeathSound() {
return SoundEvents.ENTITY_CREEPER_DEATH;
}
protected void dropSpecialItems(DamageSource source, int looting, boolean recentlyHitIn) {
super.dropSpecialItems(source, looting, recentlyHitIn);
Entity entity = source.getTrueSource();
if (entity != this && entity instanceof CreeperEntity) {
CreeperEntity creeperentity = (CreeperEntity)entity;
if (creeperentity.ableToCauseSkullDrop()) {
creeperentity.incrementDroppedSkulls();
this.entityDropItem(Items.CREEPER_HEAD);
}
}
}
public boolean attackEntityAsMob(Entity entityIn) {
return true;
}
public boolean func_225509_J__() {
return this.dataManager.get(POWERED);
}
/**
* Params: (Float)Render tick. Returns the intensity of the creeper's flash when it is ignited.
*/
@OnlyIn(Dist.CLIENT)
public float getCreeperFlashIntensity(float partialTicks) {
return MathHelper.lerp(partialTicks, (float)this.lastActiveTime, (float)this.timeSinceIgnited) / (float)(this.fuseTime - 2);
}
/**
* Returns the current state of creeper, -1 is idle, 1 is 'in fuse'
*/
public int getCreeperState() {
return this.dataManager.get(STATE);
}
/**
* Sets the state of creeper, -1 to idle and 1 to be 'in fuse'
*/
public void setCreeperState(int state) {
this.dataManager.set(STATE, state);
}
/**
* Called when a lightning bolt hits the entity.
*/
public void onStruckByLightning(LightningBoltEntity lightningBolt) {
super.onStruckByLightning(lightningBolt);
this.dataManager.set(POWERED, true);
}
protected boolean processInteract(PlayerEntity player, Hand hand) {
ItemStack itemstack = player.getHeldItem(hand);
if (itemstack.getItem() == Items.FLINT_AND_STEEL) {
this.world.playSound(player, this.func_226277_ct_(), this.func_226278_cu_(), this.func_226281_cx_(), SoundEvents.ITEM_FLINTANDSTEEL_USE, this.getSoundCategory(), 1.0F, this.rand.nextFloat() * 0.4F + 0.8F);
if (!this.world.isRemote) {
this.ignite();
itemstack.damageItem(1, player, (p_213625_1_) -> {
p_213625_1_.sendBreakAnimation(hand);
});
}
return true;
} else {
return super.processInteract(player, hand);
}
}
/**
* Creates an explosion as determined by this creeper's power and explosion radius.
*/
private void explode() {
if (!this.world.isRemote) {
Explosion.Mode explosion$mode = net.minecraftforge.event.ForgeEventFactory.getMobGriefingEvent(this.world, this) ? Explosion.Mode.DESTROY : Explosion.Mode.NONE;
float f = this.func_225509_J__() ? 2.0F : 1.0F;
this.dead = true;
this.world.createExplosion(this, this.func_226277_ct_(), this.func_226278_cu_(), this.func_226281_cx_(), (float)this.explosionRadius * f, explosion$mode);
this.remove();
this.spawnLingeringCloud();
}
}
private void spawnLingeringCloud() {
Collection<EffectInstance> collection = this.getActivePotionEffects();
if (!collection.isEmpty()) {
AreaEffectCloudEntity areaeffectcloudentity = new AreaEffectCloudEntity(this.world, this.func_226277_ct_(), this.func_226278_cu_(), this.func_226281_cx_());
areaeffectcloudentity.setRadius(2.5F);
areaeffectcloudentity.setRadiusOnUse(-0.5F);
areaeffectcloudentity.setWaitTime(10);
areaeffectcloudentity.setDuration(areaeffectcloudentity.getDuration() / 2);
areaeffectcloudentity.setRadiusPerTick(-areaeffectcloudentity.getRadius() / (float)areaeffectcloudentity.getDuration());
for(EffectInstance effectinstance : collection) {
areaeffectcloudentity.addEffect(new EffectInstance(effectinstance));
}
this.world.addEntity(areaeffectcloudentity);
}
}
public boolean hasIgnited() {
return this.dataManager.get(IGNITED);
}
public void ignite() {
this.dataManager.set(IGNITED, true);
}
/**
* Returns true if an entity is able to drop its skull due to being blown up by this creeper.
*
* Does not test if this creeper is charged; the caller must do that. However, does test the doMobLoot gamerule.
*/
public boolean ableToCauseSkullDrop() {
return this.func_225509_J__() && this.droppedSkulls < 1;
}
public void incrementDroppedSkulls() {
++this.droppedSkulls;
}
}
<该生物的AI：SuicideBomberSwellGoal.class（照搬苦力怕的）>
package net.minecraft.entity.monster;
import java.util.Collection;
import net.minecraft.entity.AreaEffectCloudEntity;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityType;
import net.minecraft.entity.IChargeableMob;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.ai.goal.AvoidEntityGoal;
import net.minecraft.entity.ai.goal.CreeperSwellGoal;
import net.minecraft.entity.ai.goal.HurtByTargetGoal;
import net.minecraft.entity.ai.goal.LookAtGoal;
import net.minecraft.entity.ai.goal.LookRandomlyGoal;
import net.minecraft.entity.ai.goal.MeleeAttackGoal;
import net.minecraft.entity.ai.goal.NearestAttackableTargetGoal;
import net.minecraft.entity.ai.goal.SwimGoal;
import net.minecraft.entity.ai.goal.WaterAvoidingRandomWalkingGoal;
import net.minecraft.entity.effect.LightningBoltEntity;
import net.minecraft.entity.passive.CatEntity;
import net.minecraft.entity.passive.OcelotEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Items;
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.potion.EffectInstance;
import net.minecraft.util.DamageSource;
import net.minecraft.util.Hand;
import net.minecraft.util.SoundEvent;
import net.minecraft.util.SoundEvents;
import net.minecraft.util.math.MathHelper;
import net.minecraft.world.Explosion;
import net.minecraft.world.GameRules;
import net.minecraft.world.World;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
@OnlyIn(
value = Dist.CLIENT,
_interface = IChargeableMob.class
)
public class CreeperEntity extends MonsterEntity implements IChargeableMob {
private static final DataParameter<Integer> STATE = EntityDataManager.createKey(CreeperEntity.class, DataSerializers.VARINT);
private static final DataParameter<Boolean> POWERED = EntityDataManager.createKey(CreeperEntity.class, DataSerializers.BOOLEAN);
private static final DataParameter<Boolean> IGNITED = EntityDataManager.createKey(CreeperEntity.class, DataSerializers.BOOLEAN);
private int lastActiveTime;
private int timeSinceIgnited;
private int fuseTime = 30;
private int explosionRadius = 3;
private int droppedSkulls;
public CreeperEntity(EntityType<? extends CreeperEntity> type, World worldIn) {
super(type, worldIn);
}
protected void registerGoals() {
this.goalSelector.addGoal(1, new SwimGoal(this));
this.goalSelector.addGoal(2, new CreeperSwellGoal(this));
this.goalSelector.addGoal(3, new AvoidEntityGoal<>(this, OcelotEntity.class, 6.0F, 1.0D, 1.2D));
this.goalSelector.addGoal(3, new AvoidEntityGoal<>(this, CatEntity.class, 6.0F, 1.0D, 1.2D));
this.goalSelector.addGoal(4, new MeleeAttackGoal(this, 1.0D, false));
this.goalSelector.addGoal(5, new WaterAvoidingRandomWalkingGoal(this, 0.8D));
this.goalSelector.addGoal(6, new LookAtGoal(this, PlayerEntity.class, 8.0F));
this.goalSelector.addGoal(6, new LookRandomlyGoal(this));
this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, PlayerEntity.class, true));
this.targetSelector.addGoal(2, new HurtByTargetGoal(this));
}
protected void registerAttributes() {
super.registerAttributes();
this.getAttribute(SharedMonsterAttributes.MOVEMENT_SPEED).setBaseValue(0.25D);
}
/**
* The maximum height from where the entity is alowed to jump (used in pathfinder)
*/
public int getMaxFallHeight() {
return this.getAttackTarget() == null ? 3 : 3 + (int)(this.getHealth() - 1.0F);
}
public boolean func_225503_b_(float p_225503_1_, float p_225503_2_) {
boolean flag = super.func_225503_b_(p_225503_1_, p_225503_2_);
this.timeSinceIgnited = (int)((float)this.timeSinceIgnited + p_225503_1_ * 1.5F);
if (this.timeSinceIgnited > this.fuseTime - 5) {
this.timeSinceIgnited = this.fuseTime - 5;
}
return flag;
}
protected void registerData() {
super.registerData();
this.dataManager.register(STATE, -1);
this.dataManager.register(POWERED, false);
this.dataManager.register(IGNITED, false);
}
public void writeAdditional(CompoundNBT compound) {
super.writeAdditional(compound);
if (this.dataManager.get(POWERED)) {
compound.putBoolean("powered", true);
}
compound.putShort("Fuse", (short)this.fuseTime);
compound.putByte("ExplosionRadius", (byte)this.explosionRadius);
compound.putBoolean("ignited", this.hasIgnited());
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
public void readAdditional(CompoundNBT compound) {
super.readAdditional(compound);
this.dataManager.set(POWERED, compound.getBoolean("powered"));
if (compound.contains("Fuse", 99)) {
this.fuseTime = compound.getShort("Fuse");
}
if (compound.contains("ExplosionRadius", 99)) {
this.explosionRadius = compound.getByte("ExplosionRadius");
}
if (compound.getBoolean("ignited")) {
this.ignite();
}
}
/**
* Called to update the entity's position/logic.
*/
public void tick() {
if (this.isAlive()) {
this.lastActiveTime = this.timeSinceIgnited;
if (this.hasIgnited()) {
this.setCreeperState(1);
}
int i = this.getCreeperState();
if (i > 0 && this.timeSinceIgnited == 0) {
this.playSound(SoundEvents.ENTITY_CREEPER_PRIMED, 1.0F, 0.5F);
}
this.timeSinceIgnited += i;
if (this.timeSinceIgnited < 0) {
this.timeSinceIgnited = 0;
}
if (this.timeSinceIgnited >= this.fuseTime) {
this.timeSinceIgnited = this.fuseTime;
this.explode();
}
}
super.tick();
}
protected SoundEvent getHurtSound(DamageSource damageSourceIn) {
return SoundEvents.ENTITY_CREEPER_HURT;
}
protected SoundEvent getDeathSound() {
return SoundEvents.ENTITY_CREEPER_DEATH;
}
protected void dropSpecialItems(DamageSource source, int looting, boolean recentlyHitIn) {
super.dropSpecialItems(source, looting, recentlyHitIn);
Entity entity = source.getTrueSource();
if (entity != this && entity instanceof CreeperEntity) {
CreeperEntity creeperentity = (CreeperEntity)entity;
if (creeperentity.ableToCauseSkullDrop()) {
creeperentity.incrementDroppedSkulls();
this.entityDropItem(Items.CREEPER_HEAD);
}
}
}
public boolean attackEntityAsMob(Entity entityIn) {
return true;
}
public boolean func_225509_J__() {
return this.dataManager.get(POWERED);
}
/**
* Params: (Float)Render tick. Returns the intensity of the creeper's flash when it is ignited.
*/
@OnlyIn(Dist.CLIENT)
public float getCreeperFlashIntensity(float partialTicks) {
return MathHelper.lerp(partialTicks, (float)this.lastActiveTime, (float)this.timeSinceIgnited) / (float)(this.fuseTime - 2);
}
/**
* Returns the current state of creeper, -1 is idle, 1 is 'in fuse'
*/
public int getCreeperState() {
return this.dataManager.get(STATE);
}
/**
* Sets the state of creeper, -1 to idle and 1 to be 'in fuse'
*/
public void setCreeperState(int state) {
this.dataManager.set(STATE, state);
}
/**
* Called when a lightning bolt hits the entity.
*/
public void onStruckByLightning(LightningBoltEntity lightningBolt) {
super.onStruckByLightning(lightningBolt);
this.dataManager.set(POWERED, true);
}
protected boolean processInteract(PlayerEntity player, Hand hand) {
ItemStack itemstack = player.getHeldItem(hand);
if (itemstack.getItem() == Items.FLINT_AND_STEEL) {
this.world.playSound(player, this.func_226277_ct_(), this.func_226278_cu_(), this.func_226281_cx_(), SoundEvents.ITEM_FLINTANDSTEEL_USE, this.getSoundCategory(), 1.0F, this.rand.nextFloat() * 0.4F + 0.8F);
if (!this.world.isRemote) {
this.ignite();
itemstack.damageItem(1, player, (p_213625_1_) -> {
p_213625_1_.sendBreakAnimation(hand);
});
}
return true;
} else {
return super.processInteract(player, hand);
}
}
/**
* Creates an explosion as determined by this creeper's power and explosion radius.
*/
private void explode() {
if (!this.world.isRemote) {
Explosion.Mode explosion$mode = net.minecraftforge.event.ForgeEventFactory.getMobGriefingEvent(this.world, this) ? Explosion.Mode.DESTROY : Explosion.Mode.NONE;
float f = this.func_225509_J__() ? 2.0F : 1.0F;
this.dead = true;
this.world.createExplosion(this, this.func_226277_ct_(), this.func_226278_cu_(), this.func_226281_cx_(), (float)this.explosionRadius * f, explosion$mode);
this.remove();
this.spawnLingeringCloud();
}
}
private void spawnLingeringCloud() {
Collection<EffectInstance> collection = this.getActivePotionEffects();
if (!collection.isEmpty()) {
AreaEffectCloudEntity areaeffectcloudentity = new AreaEffectCloudEntity(this.world, this.func_226277_ct_(), this.func_226278_cu_(), this.func_226281_cx_());
areaeffectcloudentity.setRadius(2.5F);
areaeffectcloudentity.setRadiusOnUse(-0.5F);
areaeffectcloudentity.setWaitTime(10);
areaeffectcloudentity.setDuration(areaeffectcloudentity.getDuration() / 2);
areaeffectcloudentity.setRadiusPerTick(-areaeffectcloudentity.getRadius() / (float)areaeffectcloudentity.getDuration());
for(EffectInstance effectinstance : collection) {
areaeffectcloudentity.addEffect(new EffectInstance(effectinstance));
}
this.world.addEntity(areaeffectcloudentity);
}
}
public boolean hasIgnited() {
return this.dataManager.get(IGNITED);
}
public void ignite() {
this.dataManager.set(IGNITED, true);
}
/**
* Returns true if an entity is able to drop its skull due to being blown up by this creeper.
*
* Does not test if this creeper is charged; the caller must do that. However, does test the doMobLoot gamerule.
*/
public boolean ableToCauseSkullDrop() {
return this.func_225509_J__() && this.droppedSkulls < 1;
}
public void incrementDroppedSkulls() {
++this.droppedSkulls;
}
}
另外，我把该生物与掉落物有关的代码删除了：
protected void dropSpecialItems(DamageSource source, int looting, boolean recentlyHitIn) {
super.dropSpecialItems(source, looting, recentlyHitIn);
Entity entity = source.getTrueSource();
if (entity != this && entity instanceof CreeperEntity) {
CreeperEntity creeperentity = (CreeperEntity)entity;
if (creeperentity.ableToCauseSkullDrop()) {
creeperentity.incrementDroppedSkulls();
this.entityDropItem(Items.CREEPER_HEAD);
}
}
}
public boolean ableToCauseSkullDrop() {
return this.func_225509_J__() && this.droppedSkulls < 1;
}
public void incrementDroppedSkulls() {
++this.droppedSkulls;
}