63 lines
1.9 KiB
Java
63 lines
1.9 KiB
Java
package net.minecraft.world.entity.ai.memory;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
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import java.util.Optional;
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import net.minecraft.util.VisibleForDebug;
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public class ExpirableValue<T> {
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private final T value;
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private long timeToLive;
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public ExpirableValue(T p_26299_, long p_26300_) {
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this.value = p_26299_;
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this.timeToLive = p_26300_;
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}
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public void tick() {
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if (this.canExpire()) {
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this.timeToLive--;
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}
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}
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public static <T> ExpirableValue<T> of(T p_26310_) {
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return new ExpirableValue<>(p_26310_, Long.MAX_VALUE);
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}
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public static <T> ExpirableValue<T> of(T p_26312_, long p_26313_) {
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return new ExpirableValue<>(p_26312_, p_26313_);
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}
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public long getTimeToLive() {
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return this.timeToLive;
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}
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public T getValue() {
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return this.value;
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}
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public boolean hasExpired() {
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return this.timeToLive <= 0L;
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}
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@Override
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public String toString() {
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return this.value + (this.canExpire() ? " (ttl: " + this.timeToLive + ")" : "");
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}
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@VisibleForDebug
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public boolean canExpire() {
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return this.timeToLive != Long.MAX_VALUE;
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}
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public static <T> Codec<ExpirableValue<T>> codec(Codec<T> p_26305_) {
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return RecordCodecBuilder.create(
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p_326931_ -> p_326931_.group(
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p_26305_.fieldOf("value").forGetter(p_148193_ -> p_148193_.value),
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Codec.LONG.lenientOptionalFieldOf("ttl").forGetter(p_148187_ -> p_148187_.canExpire() ? Optional.of(p_148187_.timeToLive) : Optional.empty())
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)
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.apply(p_326931_, (p_148189_, p_148190_) -> new ExpirableValue<>(p_148189_, p_148190_.orElse(Long.MAX_VALUE)))
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);
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}
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} |