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,
+}

paper-api/src/main/java/org/bukkit/entity/Villager.java

@@ -3,6 +3,8 @@ package org.bukkit.entity;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Lists;
 import java.util.Locale;
+import java.util.Map; // Paper
+import java.util.UUID; // Paper
 import org.bukkit.Keyed;
 import org.bukkit.Location;
 import org.bukkit.NamespacedKey;
@@ -281,4 +283,50 @@ public interface Villager extends AbstractVillager {
             return Lists.newArrayList(Registry.VILLAGER_PROFESSION).toArray(new Profession[0]);
         }
     }
+
+    // Paper start - Add villager reputation API
+    /**
+     * Get the {@link com.destroystokyo.paper.entity.villager.Reputation reputation}
+     * for a specific player by {@link UUID}.
+     *
+     * @param uniqueId The {@link UUID} of the player to get the reputation of.
+     * @return The player's copied reputation with this villager.
+     */
+    @NotNull
+    public com.destroystokyo.paper.entity.villager.Reputation getReputation(@NotNull UUID uniqueId);
+
+    /**
+     * Get all {@link com.destroystokyo.paper.entity.villager.Reputation reputations}
+     * for all players mapped by their {@link UUID unique IDs}.
+     *
+     * @return All {@link com.destroystokyo.paper.entity.villager.Reputation reputations} for all players
+     * in a copied map.
+     */
+    @NotNull
+    public Map<UUID, com.destroystokyo.paper.entity.villager.Reputation> getReputations();
+
+    /**
+     * Set the {@link com.destroystokyo.paper.entity.villager.Reputation reputation}
+     * for a specific player by {@link UUID}.
+     *
+     * @param uniqueId The {@link UUID} of the player to set the reputation of.
+     * @param reputation The {@link com.destroystokyo.paper.entity.villager.Reputation reputation} to set.
+     */
+    public void setReputation(@NotNull UUID uniqueId, @NotNull com.destroystokyo.paper.entity.villager.Reputation reputation);
+
+    /**
+     * Set all {@link com.destroystokyo.paper.entity.villager.Reputation reputations}
+     * for all players mapped by their {@link UUID unique IDs}.
+     *
+     * @param reputations All {@link com.destroystokyo.paper.entity.villager.Reputation reputations}
+     * for all players mapped by their {@link UUID unique IDs}.
+     */
+    public void setReputations(@NotNull Map<UUID, com.destroystokyo.paper.entity.villager.Reputation> reputations);
+
+    /**
+     * Clear all reputations from this villager. This removes every single
+     * reputation regardless of its impact and the player associated.
+     */
+    public void clearReputations();
+    // Paper end
 }