Add villager reputation API

paper-api/src/main/java/com/destroystokyo/paper/entity/villager/Reputation.java

@@ -0,0 +1,56 @@
+package com.destroystokyo.paper.entity.villager;
+
+import com.google.common.base.Preconditions;
+import java.util.EnumMap;
+import java.util.Map;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * A reputation score for a player on a villager.
+ */
+@NullMarked
+public final class Reputation {
+
+    private final Map<ReputationType, Integer> reputation;
+
+    public Reputation() {
+        this(new EnumMap<>(ReputationType.class));
+    }
+
+    public Reputation(final Map<ReputationType, Integer> reputation) {
+        Preconditions.checkNotNull(reputation, "reputation cannot be null");
+        this.reputation = reputation;
+    }
+
+    /**
+     * Gets the reputation value for a specific {@link ReputationType}.
+     *
+     * @param type The {@link ReputationType type} of reputation to get.
+     * @return The value of the {@link ReputationType type}.
+     */
+    public int getReputation(final ReputationType type) {
+        Preconditions.checkNotNull(type, "the reputation type cannot be null");
+        return this.reputation.getOrDefault(type, 0);
+    }
+
+    /**
+     * Sets the reputation value for a specific {@link ReputationType}.
+     *
+     * @param type The {@link ReputationType type} of reputation to set.
+     * @param value The value of the {@link ReputationType type}.
+     */
+    public void setReputation(final ReputationType type, final int value) {
+        Preconditions.checkNotNull(type, "the reputation type cannot be null");
+        this.reputation.put(type, value);
+    }
+
+    /**
+     * Gets if a reputation value is currently set for a specific {@link ReputationType}.
+     *
+     * @param type The {@link ReputationType type} to check
+     * @return If there is a value for this {@link ReputationType type} set.
+     */
+    public boolean hasReputationSet(final ReputationType type) {
+        return this.reputation.containsKey(type);
+    }
+}

paper-api/src/main/java/com/destroystokyo/paper/entity/villager/ReputationType.java

@@ -0,0 +1,36 @@
+package com.destroystokyo.paper.entity.villager;
+
+/**
+ * A type of reputation gained with a {@link org.bukkit.entity.Villager Villager}.
+ * <p>
+ * All types but {@link #MAJOR_POSITIVE} are shared to other villagers.
+ */
+public enum ReputationType {
+    /**
+     * A gossip with a majorly negative effect. This is only gained through killing a nearby
+     * villager.
+     */
+    MAJOR_NEGATIVE,
+
+    /**
+     * A gossip with a minor negative effect. This is only gained through damaging a villager.
+     */
+    MINOR_NEGATIVE,
+
+    /**
+     * A gossip with a minor positive effect. This is only gained through curing a zombie
+     * villager.
+     */
+    MINOR_POSITIVE,
+
+    /**
+     * A gossip with a major positive effect. This is only gained through curing a zombie
+     * villager.
+     */
+    MAJOR_POSITIVE,
+
+    /**
+     * A gossip with a minor positive effect. This is only gained through trading with a villager.
+     */
+    TRADING,
+}