Paper/Spigot-Server-Patches/0469-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 23:29:20 +0200
Subject: [PATCH] Add villager reputation API


diff --git a/src/main/java/com/destroystokyo/paper/entity/villager/ReputationConstructor.java b/src/main/java/com/destroystokyo/paper/entity/villager/ReputationConstructor.java
new file mode 100644
index 0000000000000000000000000000000000000000..0f10c333d88f2e1c56a6c7f22d421084adfd3789
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/entity/villager/ReputationConstructor.java
@@ -0,0 +1,9 @@
+package com.destroystokyo.paper.entity.villager;
+// Must have own package due to package-level constructor.
+
+public final class ReputationConstructor {
+    // Abuse the package-level constructor.
+    public static Reputation construct(int[] values) {
+        return new Reputation(values);
+    }
+}
diff --git a/src/main/java/net/minecraft/world/entity/ai/gossip/Reputation.java b/src/main/java/net/minecraft/world/entity/ai/gossip/Reputation.java
index a7f5e4a499c1f6fb1450e536dbf117a8af3b3b84..9cc3a18636a356977577076e96cb7be706c61abf 100644
--- a/src/main/java/net/minecraft/world/entity/ai/gossip/Reputation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/gossip/Reputation.java
@@ -27,7 +27,7 @@ import net.minecraft.core.MinecraftSerializableUUID;
 
 public class Reputation {
 
-    private final Map<UUID, Reputation.a> a = Maps.newHashMap();
+    private final Map<UUID, Reputation.a> a = Maps.newHashMap(); public Map<UUID, Reputation.a> getReputations() { return this.a; } // Paper - add getter for reputations
 
     public Reputation() {}
 
@@ -142,11 +142,11 @@ public class Reputation {
         return k > reputationtype.h ? Math.max(reputationtype.h, i) : k;
     }
 
-    static class a {
+    public static class a { // Paper - make public
 
         private final Object2IntMap<ReputationType> a;
 
-        private a() {
+        public a() { // Paper - make public - update CraftVillager setReputation on change
             this.a = new Object2IntOpenHashMap();
         }
 
@@ -200,6 +200,28 @@ public class Reputation {
         public void b(ReputationType reputationtype) {
             this.a.removeInt(reputationtype);
         }
+
+        // Paper start - Add villager reputation API
+        private static final com.destroystokyo.paper.entity.villager.ReputationType[] REPUTATION_TYPES = com.destroystokyo.paper.entity.villager.ReputationType.values();
+        public com.destroystokyo.paper.entity.villager.Reputation getPaperReputation() {
+            int[] reputation = new int[REPUTATION_TYPES.length];
+            reputation[com.destroystokyo.paper.entity.villager.ReputationType.MAJOR_NEGATIVE.ordinal()] = a.getOrDefault(ReputationType.MAJOR_NEGATIVE, 0);
+            reputation[com.destroystokyo.paper.entity.villager.ReputationType.MAJOR_POSITIVE.ordinal()] = a.getOrDefault(ReputationType.MAJOR_POSITIVE, 0);
+            reputation[com.destroystokyo.paper.entity.villager.ReputationType.MINOR_NEGATIVE.ordinal()] = a.getOrDefault(ReputationType.MINOR_NEGATIVE, 0);
+            reputation[com.destroystokyo.paper.entity.villager.ReputationType.MINOR_POSITIVE.ordinal()] = a.getOrDefault(ReputationType.MINOR_POSITIVE, 0);
+            reputation[com.destroystokyo.paper.entity.villager.ReputationType.TRADING.ordinal()] = a.getOrDefault(ReputationType.TRADING, 0);
+            return com.destroystokyo.paper.entity.villager.ReputationConstructor.construct(reputation);
+        }
+
+        public void assignFromPaperReputation(com.destroystokyo.paper.entity.villager.Reputation rep) {
+            int val;
+            if ((val = rep.getReputation(com.destroystokyo.paper.entity.villager.ReputationType.MAJOR_NEGATIVE)) != 0) this.a.put(ReputationType.MAJOR_NEGATIVE, val);
+            if ((val = rep.getReputation(com.destroystokyo.paper.entity.villager.ReputationType.MAJOR_POSITIVE)) != 0) this.a.put(ReputationType.MAJOR_POSITIVE, val);
+            if ((val = rep.getReputation(com.destroystokyo.paper.entity.villager.ReputationType.MINOR_NEGATIVE)) != 0) this.a.put(ReputationType.MINOR_NEGATIVE, val);
+            if ((val = rep.getReputation(com.destroystokyo.paper.entity.villager.ReputationType.MINOR_POSITIVE)) != 0) this.a.put(ReputationType.MINOR_POSITIVE, val);
+            if ((val = rep.getReputation(com.destroystokyo.paper.entity.villager.ReputationType.TRADING)) != 0) this.a.put(ReputationType.TRADING, val);
+        }
+        // Paper end
     }
 
     static class b {
diff --git a/src/main/java/net/minecraft/world/entity/npc/EntityVillager.java b/src/main/java/net/minecraft/world/entity/npc/EntityVillager.java
index d2850b003f8672122e70da0d52da1de59b2b01dd..b7c16dfa4ed7d68596c5b5d5037ce0ac3810ecfa 100644
--- a/src/main/java/net/minecraft/world/entity/npc/EntityVillager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/EntityVillager.java
@@ -1038,6 +1038,7 @@ public class EntityVillager extends EntityVillagerAbstract implements Reputation
         this.bD = 0;
     }
 
+    public Reputation getReputation() { return this.fj(); } // Paper - OBFHELPER
     public Reputation fj() {
         return this.by;
     }
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java
index 4b2451179cdda918808ea7001f5033c7e5a8b9ac..073c4c518be5a32fccd82e5739ede461214007b2 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java
@@ -17,6 +17,13 @@ import org.bukkit.entity.Villager;
 import org.bukkit.entity.Villager.Profession;
 import org.bukkit.entity.Villager.Type;
 
+// Paper start
+import com.destroystokyo.paper.entity.villager.Reputation;
+import com.google.common.collect.Maps;
+import java.util.Map;
+import java.util.UUID;
+// Paper end
+
 public class CraftVillager extends CraftAbstractVillager implements Villager {
 
     public CraftVillager(CraftServer server, EntityVillager entity) {
@@ -126,4 +133,45 @@ public class CraftVillager extends CraftAbstractVillager implements Villager {
     public static VillagerProfession bukkitToNmsProfession(Profession bukkit) {
         return IRegistry.VILLAGER_PROFESSION.get(CraftNamespacedKey.toMinecraft(bukkit.getKey()));
     }
+
+    // Paper start - Add villager reputation API
+    @Override
+    public Reputation getReputation(UUID uniqueId) {
+        net.minecraft.world.entity.ai.gossip.Reputation.a rep = getHandle().getReputation().getReputations().get(uniqueId);
+        if (rep == null) {
+            return new Reputation(Maps.newHashMap());
+        }
+
+        return rep.getPaperReputation();
+    }
+
+    @Override
+    public Map<UUID, Reputation> getReputations() {
+        return getHandle().getReputation().getReputations().entrySet()
+            .stream()
+            .collect(java.util.stream.Collectors.toMap(Map.Entry::getKey, entry -> entry.getValue().getPaperReputation()));
+    }
+
+    @Override
+    public void setReputation(UUID uniqueId, Reputation reputation) {
+        net.minecraft.world.entity.ai.gossip.Reputation.a nmsReputation =
+            getHandle().getReputation().getReputations().computeIfAbsent(
+                uniqueId,
+                key -> new net.minecraft.world.entity.ai.gossip.Reputation.a()
+            );
+        nmsReputation.assignFromPaperReputation(reputation);
+    }
+
+    @Override
+    public void setReputations(Map<UUID, Reputation> reputations) {
+        for (Map.Entry<UUID, Reputation> entry : reputations.entrySet()) {
+            setReputation(entry.getKey(), entry.getValue());
+        }
+    }
+
+    @Override
+    public void clearReputations() {
+        getHandle().getReputation().getReputations().clear();
+    }
+    // Paper end
 }