Paper/patches/api/0204-Add-villager-reputation-API.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Wed, 22 Apr 2020 23:13:49 +0200
Subject: [PATCH] Add villager reputation API


diff --git a/src/main/java/com/destroystokyo/paper/entity/villager/Reputation.java b/src/main/java/com/destroystokyo/paper/entity/villager/Reputation.java
new file mode 100644
index 0000000000000000000000000000000000000000..1cc9ef255df888cb7dd7f7f2c5014e818d1be613
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/entity/villager/Reputation.java
@@ -0,0 +1,54 @@
+package com.destroystokyo.paper.entity.villager;
+
+import com.google.common.base.Preconditions;
+import java.util.Map;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * A reputation score for a player on a villager.
+ */
+public final class Reputation {
+    private static final ReputationType[] REPUTATION_TYPES = ReputationType.values(); // Avoid allocation
+    @NotNull
+    private final int[] reputation;
+
+    public Reputation() {
+        this(new int[REPUTATION_TYPES.length]);
+    }
+
+    // Package level to avoid plugins creating reputations with "magic values".
+    Reputation(@NotNull int[] reputation) {
+        this.reputation = reputation;
+    }
+
+    public Reputation(@NotNull final Map<ReputationType, Integer> reputation) {
+        this();
+        Preconditions.checkNotNull(reputation, "reputation cannot be null");
+
+        for (Map.Entry<ReputationType, Integer> entry : reputation.entrySet()) {
+            setReputation(entry.getKey(), entry.getValue());
+        }
+    }
+
+    /**
+     * 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(@NotNull ReputationType type) {
+        Preconditions.checkNotNull(type, "the reputation type cannot be null");
+        return reputation[type.ordinal()];
+    }
+
+    /**
+     * 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(@NotNull ReputationType type, int value) {
+        Preconditions.checkNotNull(type, "the reputation type cannot be null");
+        reputation[type.ordinal()] = value;
+    }
+}
diff --git a/src/main/java/com/destroystokyo/paper/entity/villager/ReputationType.java b/src/main/java/com/destroystokyo/paper/entity/villager/ReputationType.java
new file mode 100644
index 0000000000000000000000000000000000000000..5600fcdc9795a9f49091db48d73bbd4964b8b737
--- /dev/null
+++ b/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,
+}
diff --git a/src/main/java/org/bukkit/entity/Villager.java b/src/main/java/org/bukkit/entity/Villager.java
index ef8a81c4857bd06be19264580bf3a7e087118f5c..511b96841f7342d0a6b38d7cff56252ea8ef9bfe 100644
--- a/src/main/java/org/bukkit/entity/Villager.java
+++ b/src/main/java/org/bukkit/entity/Villager.java
@@ -1,10 +1,13 @@
 package org.bukkit.entity;
 
 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;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable; // Paper
 
 /**
  * Represents a villager NPC
@@ -229,4 +232,50 @@ public interface Villager extends AbstractVillager {
             return key;
         }
     }
+
+    // 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.
+     */
+    @Nullable
+    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
 }