minecraft-src/net/minecraft/world/entity/animal/IronGolem.java
2025-07-04 02:00:41 +03:00

332 lines
11 KiB
Java

package net.minecraft.world.entity.animal;
import java.util.UUID;
import net.minecraft.core.BlockPos;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.network.syncher.EntityDataSerializers;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.network.syncher.SynchedEntityData.Builder;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.util.TimeUtil;
import net.minecraft.util.valueproviders.UniformInt;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.Crackiness;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.Mob;
import net.minecraft.world.entity.NeutralMob;
import net.minecraft.world.entity.ai.attributes.Attributes;
import net.minecraft.world.entity.ai.goal.GolemRandomStrollInVillageGoal;
import net.minecraft.world.entity.ai.goal.LookAtPlayerGoal;
import net.minecraft.world.entity.ai.goal.MeleeAttackGoal;
import net.minecraft.world.entity.ai.goal.MoveBackToVillageGoal;
import net.minecraft.world.entity.ai.goal.MoveTowardsTargetGoal;
import net.minecraft.world.entity.ai.goal.OfferFlowerGoal;
import net.minecraft.world.entity.ai.goal.RandomLookAroundGoal;
import net.minecraft.world.entity.ai.goal.target.DefendVillageTargetGoal;
import net.minecraft.world.entity.ai.goal.target.HurtByTargetGoal;
import net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal;
import net.minecraft.world.entity.ai.goal.target.ResetUniversalAngerTargetGoal;
import net.minecraft.world.entity.monster.Creeper;
import net.minecraft.world.entity.monster.Enemy;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.item.enchantment.EnchantmentHelper;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.NaturalSpawner;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.material.Fluids;
import net.minecraft.world.phys.Vec3;
import org.jetbrains.annotations.Nullable;
public class IronGolem extends AbstractGolem implements NeutralMob {
protected static final EntityDataAccessor<Byte> DATA_FLAGS_ID = SynchedEntityData.defineId(IronGolem.class, EntityDataSerializers.BYTE);
private static final int IRON_INGOT_HEAL_AMOUNT = 25;
private int attackAnimationTick;
private int offerFlowerTick;
private static final UniformInt PERSISTENT_ANGER_TIME = TimeUtil.rangeOfSeconds(20, 39);
private int remainingPersistentAngerTime;
@Nullable
private UUID persistentAngerTarget;
public IronGolem(EntityType<? extends IronGolem> entityType, Level level) {
super(entityType, level);
}
@Override
protected void registerGoals() {
this.goalSelector.addGoal(1, new MeleeAttackGoal(this, 1.0, true));
this.goalSelector.addGoal(2, new MoveTowardsTargetGoal(this, 0.9, 32.0F));
this.goalSelector.addGoal(2, new MoveBackToVillageGoal(this, 0.6, false));
this.goalSelector.addGoal(4, new GolemRandomStrollInVillageGoal(this, 0.6));
this.goalSelector.addGoal(5, new OfferFlowerGoal(this));
this.goalSelector.addGoal(7, new LookAtPlayerGoal(this, Player.class, 6.0F));
this.goalSelector.addGoal(8, new RandomLookAroundGoal(this));
this.targetSelector.addGoal(1, new DefendVillageTargetGoal(this));
this.targetSelector.addGoal(2, new HurtByTargetGoal(this));
this.targetSelector.addGoal(3, new NearestAttackableTargetGoal(this, Player.class, 10, true, false, this::isAngryAt));
this.targetSelector
.addGoal(
3,
new NearestAttackableTargetGoal(
this, Mob.class, 5, false, false, (livingEntity, serverLevel) -> livingEntity instanceof Enemy && !(livingEntity instanceof Creeper)
)
);
this.targetSelector.addGoal(4, new ResetUniversalAngerTargetGoal<>(this, false));
}
@Override
protected void defineSynchedData(Builder builder) {
super.defineSynchedData(builder);
builder.define(DATA_FLAGS_ID, (byte)0);
}
public static net.minecraft.world.entity.ai.attributes.AttributeSupplier.Builder createAttributes() {
return Mob.createMobAttributes()
.add(Attributes.MAX_HEALTH, 100.0)
.add(Attributes.MOVEMENT_SPEED, 0.25)
.add(Attributes.KNOCKBACK_RESISTANCE, 1.0)
.add(Attributes.ATTACK_DAMAGE, 15.0)
.add(Attributes.STEP_HEIGHT, 1.0);
}
@Override
protected int decreaseAirSupply(int currentAir) {
return currentAir;
}
@Override
protected void doPush(Entity entity) {
if (entity instanceof Enemy && !(entity instanceof Creeper) && this.getRandom().nextInt(20) == 0) {
this.setTarget((LivingEntity)entity);
}
super.doPush(entity);
}
@Override
public void aiStep() {
super.aiStep();
if (this.attackAnimationTick > 0) {
this.attackAnimationTick--;
}
if (this.offerFlowerTick > 0) {
this.offerFlowerTick--;
}
if (!this.level().isClientSide) {
this.updatePersistentAnger((ServerLevel)this.level(), true);
}
}
@Override
public boolean canSpawnSprintParticle() {
return this.getDeltaMovement().horizontalDistanceSqr() > 2.5000003E-7F && this.random.nextInt(5) == 0;
}
@Override
public boolean canAttackType(EntityType<?> entityType) {
if (this.isPlayerCreated() && entityType == EntityType.PLAYER) {
return false;
} else {
return entityType == EntityType.CREEPER ? false : super.canAttackType(entityType);
}
}
@Override
public void addAdditionalSaveData(CompoundTag compound) {
super.addAdditionalSaveData(compound);
compound.putBoolean("PlayerCreated", this.isPlayerCreated());
this.addPersistentAngerSaveData(compound);
}
@Override
public void readAdditionalSaveData(CompoundTag compound) {
super.readAdditionalSaveData(compound);
this.setPlayerCreated(compound.getBoolean("PlayerCreated"));
this.readPersistentAngerSaveData(this.level(), compound);
}
@Override
public void startPersistentAngerTimer() {
this.setRemainingPersistentAngerTime(PERSISTENT_ANGER_TIME.sample(this.random));
}
@Override
public void setRemainingPersistentAngerTime(int remainingPersistentAngerTime) {
this.remainingPersistentAngerTime = remainingPersistentAngerTime;
}
@Override
public int getRemainingPersistentAngerTime() {
return this.remainingPersistentAngerTime;
}
@Override
public void setPersistentAngerTarget(@Nullable UUID persistentAngerTarget) {
this.persistentAngerTarget = persistentAngerTarget;
}
@Nullable
@Override
public UUID getPersistentAngerTarget() {
return this.persistentAngerTarget;
}
private float getAttackDamage() {
return (float)this.getAttributeValue(Attributes.ATTACK_DAMAGE);
}
@Override
public boolean doHurtTarget(ServerLevel serverLevel, Entity entity) {
this.attackAnimationTick = 10;
serverLevel.broadcastEntityEvent(this, (byte)4);
float f = this.getAttackDamage();
float g = (int)f > 0 ? f / 2.0F + this.random.nextInt((int)f) : f;
DamageSource damageSource = this.damageSources().mobAttack(this);
boolean bl = entity.hurtServer(serverLevel, damageSource, g);
if (bl) {
double d = entity instanceof LivingEntity livingEntity ? livingEntity.getAttributeValue(Attributes.KNOCKBACK_RESISTANCE) : 0.0;
double e = Math.max(0.0, 1.0 - d);
entity.setDeltaMovement(entity.getDeltaMovement().add(0.0, 0.4F * e, 0.0));
EnchantmentHelper.doPostAttackEffects(serverLevel, entity, damageSource);
}
this.playSound(SoundEvents.IRON_GOLEM_ATTACK, 1.0F, 1.0F);
return bl;
}
@Override
public boolean hurtServer(ServerLevel serverLevel, DamageSource damageSource, float f) {
net.minecraft.world.entity.Crackiness.Level level = this.getCrackiness();
boolean bl = super.hurtServer(serverLevel, damageSource, f);
if (bl && this.getCrackiness() != level) {
this.playSound(SoundEvents.IRON_GOLEM_DAMAGE, 1.0F, 1.0F);
}
return bl;
}
public net.minecraft.world.entity.Crackiness.Level getCrackiness() {
return Crackiness.GOLEM.byFraction(this.getHealth() / this.getMaxHealth());
}
@Override
public void handleEntityEvent(byte id) {
if (id == 4) {
this.attackAnimationTick = 10;
this.playSound(SoundEvents.IRON_GOLEM_ATTACK, 1.0F, 1.0F);
} else if (id == 11) {
this.offerFlowerTick = 400;
} else if (id == 34) {
this.offerFlowerTick = 0;
} else {
super.handleEntityEvent(id);
}
}
public int getAttackAnimationTick() {
return this.attackAnimationTick;
}
public void offerFlower(boolean offeringFlower) {
if (offeringFlower) {
this.offerFlowerTick = 400;
this.level().broadcastEntityEvent(this, (byte)11);
} else {
this.offerFlowerTick = 0;
this.level().broadcastEntityEvent(this, (byte)34);
}
}
@Override
protected SoundEvent getHurtSound(DamageSource damageSource) {
return SoundEvents.IRON_GOLEM_HURT;
}
@Override
protected SoundEvent getDeathSound() {
return SoundEvents.IRON_GOLEM_DEATH;
}
@Override
protected InteractionResult mobInteract(Player player, InteractionHand hand) {
ItemStack itemStack = player.getItemInHand(hand);
if (!itemStack.is(Items.IRON_INGOT)) {
return InteractionResult.PASS;
} else {
float f = this.getHealth();
this.heal(25.0F);
if (this.getHealth() == f) {
return InteractionResult.PASS;
} else {
float g = 1.0F + (this.random.nextFloat() - this.random.nextFloat()) * 0.2F;
this.playSound(SoundEvents.IRON_GOLEM_REPAIR, 1.0F, g);
itemStack.consume(1, player);
return InteractionResult.SUCCESS;
}
}
}
@Override
protected void playStepSound(BlockPos pos, BlockState state) {
this.playSound(SoundEvents.IRON_GOLEM_STEP, 1.0F, 1.0F);
}
public int getOfferFlowerTick() {
return this.offerFlowerTick;
}
public boolean isPlayerCreated() {
return (this.entityData.get(DATA_FLAGS_ID) & 1) != 0;
}
public void setPlayerCreated(boolean playerCreated) {
byte b = this.entityData.get(DATA_FLAGS_ID);
if (playerCreated) {
this.entityData.set(DATA_FLAGS_ID, (byte)(b | 1));
} else {
this.entityData.set(DATA_FLAGS_ID, (byte)(b & -2));
}
}
@Override
public void die(DamageSource damageSource) {
super.die(damageSource);
}
@Override
public boolean checkSpawnObstruction(LevelReader level) {
BlockPos blockPos = this.blockPosition();
BlockPos blockPos2 = blockPos.below();
BlockState blockState = level.getBlockState(blockPos2);
if (!blockState.entityCanStandOn(level, blockPos2, this)) {
return false;
} else {
for (int i = 1; i < 3; i++) {
BlockPos blockPos3 = blockPos.above(i);
BlockState blockState2 = level.getBlockState(blockPos3);
if (!NaturalSpawner.isValidEmptySpawnBlock(level, blockPos3, blockState2, blockState2.getFluidState(), EntityType.IRON_GOLEM)) {
return false;
}
}
return NaturalSpawner.isValidEmptySpawnBlock(level, blockPos, level.getBlockState(blockPos), Fluids.EMPTY.defaultFluidState(), EntityType.IRON_GOLEM)
&& level.isUnobstructed(this);
}
}
@Override
public Vec3 getLeashOffset() {
return new Vec3(0.0, 0.875F * this.getEyeHeight(), this.getBbWidth() * 0.4F);
}
}