Paper/patches/server/0426-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/GossipContainer.java b/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java
index 07ecb01d02f64e85d478995062a33b58c211ed7e..e316f83a7adc7bba06a6a3fdab55cc9c004cb835 100644
--- a/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java
+++ b/src/main/java/net/minecraft/world/entity/ai/gossip/GossipContainer.java
@@ -29,7 +29,7 @@ import net.minecraft.util.VisibleForDebug;
 
 public class GossipContainer {
     public static final int DISCARD_THRESHOLD = 2;
-    private final Map<UUID, GossipContainer.EntityGossips> gossips = Maps.newHashMap();
+    private final Map<UUID, GossipContainer.EntityGossips> gossips = Maps.newHashMap(); public Map<UUID, GossipContainer.EntityGossips> getReputations() { return this.gossips; } // Paper - add getter for reputations
 
     @VisibleForDebug
     public Map<UUID, Object2IntMap<GossipType>> getGossipEntries() {
@@ -177,7 +177,7 @@ public class GossipContainer {
         return i > type.max ? Math.max(type.max, left) : i;
     }
 
-    static class EntityGossips {
+    public static class EntityGossips { // Paper - make public
         final Object2IntMap<GossipType> entries = new Object2IntOpenHashMap<>();
 
         public int weightedValue(Predicate<GossipType> gossipTypeFilter) {
@@ -228,6 +228,28 @@ public class GossipContainer {
         public void remove(GossipType gossipType) {
             this.entries.removeInt(gossipType);
         }
+
+        // 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()] = entries.getOrDefault(GossipType.MAJOR_NEGATIVE, 0);
+            reputation[com.destroystokyo.paper.entity.villager.ReputationType.MAJOR_POSITIVE.ordinal()] = entries.getOrDefault(GossipType.MAJOR_POSITIVE, 0);
+            reputation[com.destroystokyo.paper.entity.villager.ReputationType.MINOR_NEGATIVE.ordinal()] = entries.getOrDefault(GossipType.MINOR_NEGATIVE, 0);
+            reputation[com.destroystokyo.paper.entity.villager.ReputationType.MINOR_POSITIVE.ordinal()] = entries.getOrDefault(GossipType.MINOR_POSITIVE, 0);
+            reputation[com.destroystokyo.paper.entity.villager.ReputationType.TRADING.ordinal()] = entries.getOrDefault(GossipType.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.entries.put(GossipType.MAJOR_NEGATIVE, val);
+            if ((val = rep.getReputation(com.destroystokyo.paper.entity.villager.ReputationType.MAJOR_POSITIVE)) != 0) this.entries.put(GossipType.MAJOR_POSITIVE, val);
+            if ((val = rep.getReputation(com.destroystokyo.paper.entity.villager.ReputationType.MINOR_NEGATIVE)) != 0) this.entries.put(GossipType.MINOR_NEGATIVE, val);
+            if ((val = rep.getReputation(com.destroystokyo.paper.entity.villager.ReputationType.MINOR_POSITIVE)) != 0) this.entries.put(GossipType.MINOR_POSITIVE, val);
+            if ((val = rep.getReputation(com.destroystokyo.paper.entity.villager.ReputationType.TRADING)) != 0) this.entries.put(GossipType.TRADING, val);
+        }
+        // Paper end
     }
 
     static class GossipEntry {
diff --git a/src/main/java/net/minecraft/world/entity/npc/Villager.java b/src/main/java/net/minecraft/world/entity/npc/Villager.java
index e99cdbb1d050288b5f1177737b242c331a989471..8508a3864fc3f8919f823d96f27061a6b3706713 100644
--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
@@ -1065,6 +1065,7 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
         this.numberOfRestocksToday = 0;
     }
 
+    public GossipContainer getReputation() { return this.getGossips(); } // Paper - OBFHELPER
     public GossipContainer getGossips() {
         return this.gossips;
     }
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java
index 115f107ac100524ef0fcf8de0fc528d164c845f7..b15db2bf0a0bbe39b8067559fbf2b6bdadf56ca4 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftVillager.java
@@ -16,6 +16,13 @@ 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, net.minecraft.world.entity.npc.Villager entity) {
@@ -125,4 +132,45 @@ public class CraftVillager extends CraftAbstractVillager implements Villager {
     public static VillagerProfession bukkitToNmsProfession(Profession bukkit) {
         return Registry.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.GossipContainer.EntityGossips 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.GossipContainer.EntityGossips nmsReputation =
+            getHandle().getReputation().getReputations().computeIfAbsent(
+                uniqueId,
+                key -> new net.minecraft.world.entity.ai.gossip.GossipContainer.EntityGossips()
+            );
+        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
 }