src/game/java/net/minecraft/advancements/critereon/InputPredicate.java

package net.minecraft.advancements.critereon;

import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
import java.util.Optional;
import net.minecraft.world.entity.player.Input;

public record InputPredicate(
    Optional<Boolean> forward,
    Optional<Boolean> backward,
    Optional<Boolean> left,
    Optional<Boolean> right,
    Optional<Boolean> jump,
    Optional<Boolean> sneak,
    Optional<Boolean> sprint
) {
    public static final Codec<InputPredicate> CODEC = RecordCodecBuilder.create(
        p_366376_ -> p_366376_.group(
                    Codec.BOOL.optionalFieldOf("forward").forGetter(InputPredicate::forward),
                    Codec.BOOL.optionalFieldOf("backward").forGetter(InputPredicate::backward),
                    Codec.BOOL.optionalFieldOf("left").forGetter(InputPredicate::left),
                    Codec.BOOL.optionalFieldOf("right").forGetter(InputPredicate::right),
                    Codec.BOOL.optionalFieldOf("jump").forGetter(InputPredicate::jump),
                    Codec.BOOL.optionalFieldOf("sneak").forGetter(InputPredicate::sneak),
                    Codec.BOOL.optionalFieldOf("sprint").forGetter(InputPredicate::sprint)
                )
                .apply(p_366376_, InputPredicate::new)
    );

    public boolean matches(Input p_366387_) {
        return this.matches(this.forward, p_366387_.forward())
            && this.matches(this.backward, p_366387_.backward())
            && this.matches(this.left, p_366387_.left())
            && this.matches(this.right, p_366387_.right())
            && this.matches(this.jump, p_366387_.jump())
            && this.matches(this.sneak, p_366387_.shift())
            && this.matches(this.sprint, p_366387_.sprint());
    }

    private boolean matches(Optional<Boolean> p_361317_, boolean p_366567_) {
        return p_361317_.<Boolean>map(p_365276_ -> p_365276_ == p_366567_).orElse(true);
    }
}