272 lines
10 KiB
Java
272 lines
10 KiB
Java
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package net.minecraft.world.entity.monster;
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import java.util.Collection;
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import javax.annotation.Nullable;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.network.syncher.EntityDataAccessor;
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import net.minecraft.network.syncher.EntityDataSerializers;
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import net.minecraft.network.syncher.SynchedEntityData;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.sounds.SoundEvent;
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import net.minecraft.sounds.SoundEvents;
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import net.minecraft.tags.ItemTags;
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import net.minecraft.util.Mth;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.InteractionResult;
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import net.minecraft.world.damagesource.DamageSource;
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import net.minecraft.world.effect.MobEffectInstance;
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import net.minecraft.world.entity.AreaEffectCloud;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.LightningBolt;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.ai.attributes.AttributeSupplier;
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import net.minecraft.world.entity.ai.attributes.Attributes;
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import net.minecraft.world.entity.ai.goal.AvoidEntityGoal;
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import net.minecraft.world.entity.ai.goal.FloatGoal;
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import net.minecraft.world.entity.ai.goal.LookAtPlayerGoal;
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import net.minecraft.world.entity.ai.goal.MeleeAttackGoal;
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import net.minecraft.world.entity.ai.goal.RandomLookAroundGoal;
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import net.minecraft.world.entity.ai.goal.SwellGoal;
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import net.minecraft.world.entity.ai.goal.WaterAvoidingRandomStrollGoal;
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import net.minecraft.world.entity.ai.goal.target.HurtByTargetGoal;
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import net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal;
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import net.minecraft.world.entity.animal.Cat;
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import net.minecraft.world.entity.animal.Ocelot;
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import net.minecraft.world.entity.animal.goat.Goat;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.Items;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.gameevent.GameEvent;
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public class Creeper extends Monster {
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private static final EntityDataAccessor<Integer> DATA_SWELL_DIR = SynchedEntityData.defineId(Creeper.class, EntityDataSerializers.INT);
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private static final EntityDataAccessor<Boolean> DATA_IS_POWERED = SynchedEntityData.defineId(Creeper.class, EntityDataSerializers.BOOLEAN);
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private static final EntityDataAccessor<Boolean> DATA_IS_IGNITED = SynchedEntityData.defineId(Creeper.class, EntityDataSerializers.BOOLEAN);
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private static final boolean DEFAULT_IGNITED = false;
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private static final boolean DEFAULT_POWERED = false;
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private static final short DEFAULT_MAX_SWELL = 30;
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private static final byte DEFAULT_EXPLOSION_RADIUS = 3;
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private int oldSwell;
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private int swell;
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private int maxSwell = 30;
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private int explosionRadius = 3;
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private int droppedSkulls;
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public Creeper(EntityType<? extends Creeper> p_32278_, Level p_32279_) {
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super(p_32278_, p_32279_);
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}
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@Override
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protected void registerGoals() {
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this.goalSelector.addGoal(1, new FloatGoal(this));
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this.goalSelector.addGoal(2, new SwellGoal(this));
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this.goalSelector.addGoal(3, new AvoidEntityGoal<>(this, Ocelot.class, 6.0F, 1.0, 1.2));
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this.goalSelector.addGoal(3, new AvoidEntityGoal<>(this, Cat.class, 6.0F, 1.0, 1.2));
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this.goalSelector.addGoal(4, new MeleeAttackGoal(this, 1.0, false));
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this.goalSelector.addGoal(5, new WaterAvoidingRandomStrollGoal(this, 0.8));
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this.goalSelector.addGoal(6, new LookAtPlayerGoal(this, Player.class, 8.0F));
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this.goalSelector.addGoal(6, new RandomLookAroundGoal(this));
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this.targetSelector.addGoal(1, new NearestAttackableTargetGoal<>(this, Player.class, true));
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this.targetSelector.addGoal(2, new HurtByTargetGoal(this));
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}
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public static AttributeSupplier.Builder createAttributes() {
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return Monster.createMonsterAttributes().add(Attributes.MOVEMENT_SPEED, 0.25);
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}
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@Override
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public int getMaxFallDistance() {
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return this.getTarget() == null ? this.getComfortableFallDistance(0.0F) : this.getComfortableFallDistance(this.getHealth() - 1.0F);
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}
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@Override
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public boolean causeFallDamage(double p_396975_, float p_149687_, DamageSource p_149689_) {
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boolean flag = super.causeFallDamage(p_396975_, p_149687_, p_149689_);
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this.swell += (int)(p_396975_ * 1.5);
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if (this.swell > this.maxSwell - 5) {
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this.swell = this.maxSwell - 5;
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}
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return flag;
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}
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@Override
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protected void defineSynchedData(SynchedEntityData.Builder p_330760_) {
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super.defineSynchedData(p_330760_);
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p_330760_.define(DATA_SWELL_DIR, -1);
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p_330760_.define(DATA_IS_POWERED, false);
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p_330760_.define(DATA_IS_IGNITED, false);
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}
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@Override
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public void addAdditionalSaveData(CompoundTag p_32304_) {
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super.addAdditionalSaveData(p_32304_);
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p_32304_.putBoolean("powered", this.isPowered());
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p_32304_.putShort("Fuse", (short)this.maxSwell);
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p_32304_.putByte("ExplosionRadius", (byte)this.explosionRadius);
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p_32304_.putBoolean("ignited", this.isIgnited());
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}
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@Override
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public void readAdditionalSaveData(CompoundTag p_32296_) {
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super.readAdditionalSaveData(p_32296_);
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this.entityData.set(DATA_IS_POWERED, p_32296_.getBooleanOr("powered", false));
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this.maxSwell = p_32296_.getShortOr("Fuse", (short)30);
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this.explosionRadius = p_32296_.getByteOr("ExplosionRadius", (byte)3);
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if (p_32296_.getBooleanOr("ignited", false)) {
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this.ignite();
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}
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}
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@Override
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public void tick() {
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if (this.isAlive()) {
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this.oldSwell = this.swell;
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if (this.isIgnited()) {
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this.setSwellDir(1);
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}
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int i = this.getSwellDir();
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if (i > 0 && this.swell == 0) {
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this.playSound(SoundEvents.CREEPER_PRIMED, 1.0F, 0.5F);
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this.gameEvent(GameEvent.PRIME_FUSE);
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}
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this.swell += i;
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if (this.swell < 0) {
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this.swell = 0;
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}
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if (this.swell >= this.maxSwell) {
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this.swell = this.maxSwell;
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this.explodeCreeper();
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}
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}
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super.tick();
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}
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@Override
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public void setTarget(@Nullable LivingEntity p_149691_) {
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if (!(p_149691_ instanceof Goat)) {
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super.setTarget(p_149691_);
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}
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}
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@Override
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protected SoundEvent getHurtSound(DamageSource p_32309_) {
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return SoundEvents.CREEPER_HURT;
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}
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@Override
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protected SoundEvent getDeathSound() {
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return SoundEvents.CREEPER_DEATH;
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}
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@Override
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protected void dropCustomDeathLoot(ServerLevel p_342918_, DamageSource p_32292_, boolean p_32294_) {
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super.dropCustomDeathLoot(p_342918_, p_32292_, p_32294_);
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Entity entity = p_32292_.getEntity();
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if (entity != this && entity instanceof Creeper creeper && creeper.canDropMobsSkull()) {
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creeper.increaseDroppedSkulls();
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this.spawnAtLocation(p_342918_, Items.CREEPER_HEAD);
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}
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}
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@Override
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public boolean doHurtTarget(ServerLevel p_365514_, Entity p_32281_) {
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return true;
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}
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public boolean isPowered() {
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return this.entityData.get(DATA_IS_POWERED);
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}
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public float getSwelling(float p_32321_) {
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return Mth.lerp(p_32321_, this.oldSwell, this.swell) / (this.maxSwell - 2);
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}
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public int getSwellDir() {
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return this.entityData.get(DATA_SWELL_DIR);
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}
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public void setSwellDir(int p_32284_) {
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this.entityData.set(DATA_SWELL_DIR, p_32284_);
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}
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@Override
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public void thunderHit(ServerLevel p_32286_, LightningBolt p_32287_) {
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super.thunderHit(p_32286_, p_32287_);
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this.entityData.set(DATA_IS_POWERED, true);
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}
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@Override
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protected InteractionResult mobInteract(Player p_32301_, InteractionHand p_32302_) {
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ItemStack itemstack = p_32301_.getItemInHand(p_32302_);
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if (itemstack.is(ItemTags.CREEPER_IGNITERS)) {
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SoundEvent soundevent = itemstack.is(Items.FIRE_CHARGE) ? SoundEvents.FIRECHARGE_USE : SoundEvents.FLINTANDSTEEL_USE;
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this.level()
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.playSound(p_32301_, this.getX(), this.getY(), this.getZ(), soundevent, this.getSoundSource(), 1.0F, this.random.nextFloat() * 0.4F + 0.8F);
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if (!this.level().isClientSide) {
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this.ignite();
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if (!itemstack.isDamageableItem()) {
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itemstack.shrink(1);
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} else {
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itemstack.hurtAndBreak(1, p_32301_, getSlotForHand(p_32302_));
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}
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}
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return InteractionResult.SUCCESS;
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} else {
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return super.mobInteract(p_32301_, p_32302_);
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}
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}
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private void explodeCreeper() {
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if (this.level() instanceof ServerLevel serverlevel) {
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float f = this.isPowered() ? 2.0F : 1.0F;
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this.dead = true;
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serverlevel.explode(this, this.getX(), this.getY(), this.getZ(), this.explosionRadius * f, Level.ExplosionInteraction.MOB);
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this.spawnLingeringCloud();
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this.triggerOnDeathMobEffects(serverlevel, Entity.RemovalReason.KILLED);
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this.discard();
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}
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}
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private void spawnLingeringCloud() {
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Collection<MobEffectInstance> collection = this.getActiveEffects();
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if (!collection.isEmpty()) {
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AreaEffectCloud areaeffectcloud = new AreaEffectCloud(this.level(), this.getX(), this.getY(), this.getZ());
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areaeffectcloud.setRadius(2.5F);
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areaeffectcloud.setRadiusOnUse(-0.5F);
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areaeffectcloud.setWaitTime(10);
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areaeffectcloud.setDuration(300);
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areaeffectcloud.setPotionDurationScale(0.25F);
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areaeffectcloud.setRadiusPerTick(-areaeffectcloud.getRadius() / areaeffectcloud.getDuration());
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for (MobEffectInstance mobeffectinstance : collection) {
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areaeffectcloud.addEffect(new MobEffectInstance(mobeffectinstance));
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}
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this.level().addFreshEntity(areaeffectcloud);
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}
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}
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public boolean isIgnited() {
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return this.entityData.get(DATA_IS_IGNITED);
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}
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public void ignite() {
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this.entityData.set(DATA_IS_IGNITED, true);
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}
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public boolean canDropMobsSkull() {
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return this.isPowered() && this.droppedSkulls < 1;
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}
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public void increaseDroppedSkulls() {
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this.droppedSkulls++;
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}
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}
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