From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Thu, 3 Oct 2019 18:08:03 -0500
Subject: [PATCH] Allow leashing villagers


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 2e57077a184809e70481c9bba1891e01a9e203f7..f7b6044d99dd01ce1491631ec75920e79d42ce29 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -3118,6 +3118,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
         if (this.isAlive() && this instanceof Leashable leashable) {
             if (leashable.getLeashHolder() == player) {
                 if (!this.level().isClientSide()) {
+                    if (hand == InteractionHand.OFF_HAND && (level().purpurConfig.villagerCanBeLeashed || level().purpurConfig.wanderingTraderCanBeLeashed) && this instanceof net.minecraft.world.entity.npc.AbstractVillager) return InteractionResult.CONSUME; // Purpur
                     // CraftBukkit start - fire PlayerUnleashEntityEvent
                     // Paper start - Expand EntityUnleashEvent
                     org.bukkit.event.player.PlayerUnleashEntityEvent event = CraftEventFactory.callPlayerUnleashEntityEvent(this, player, hand, !player.hasInfiniteMaterials());
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 032e26700322b22f93ff8b35dfdfd077b86c0a07..0ba9fac5214405c40a151954cbf615caca6d4cb3 100644
--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
@@ -179,6 +179,11 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
         this.goalSelector.addGoal(0, new org.purpurmc.purpur.entity.ai.HasRider(this));
         if (level().purpurConfig.villagerFollowEmeraldBlock) this.goalSelector.addGoal(3, new net.minecraft.world.entity.ai.goal.TemptGoal(this, 1.0D, TEMPT_ITEMS, false));
     }
+
+    @Override
+    public boolean canBeLeashed() {
+        return level().purpurConfig.villagerCanBeLeashed;
+    }
     // Purpur end
 
     @Override
diff --git a/src/main/java/net/minecraft/world/entity/npc/WanderingTrader.java b/src/main/java/net/minecraft/world/entity/npc/WanderingTrader.java
index a821a7bc7de7458ceb8afdb61bde32f74534f012..738df68a988a8ba428bf2c74a12cb8d9dd525bee 100644
--- a/src/main/java/net/minecraft/world/entity/npc/WanderingTrader.java
+++ b/src/main/java/net/minecraft/world/entity/npc/WanderingTrader.java
@@ -87,6 +87,11 @@ public class WanderingTrader extends net.minecraft.world.entity.npc.AbstractVill
     public boolean isControllable() {
         return level().purpurConfig.wanderingTraderControllable;
     }
+
+    @Override
+    public boolean canBeLeashed() {
+        return level().purpurConfig.wanderingTraderCanBeLeashed;
+    }
     // Purpur end
 
     @Override
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index b81790ec5a7e4b73fbef52229844506b072dfa0d..1b96a84a1c81c075aa5f7308b89d396a4578be33 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -1590,6 +1590,7 @@ public class PurpurWorldConfig {
     public double villagerScale = 1.0D;
     public boolean villagerFollowEmeraldBlock = false;
     public double villagerTemptRange = 10.0D;
+    public boolean villagerCanBeLeashed = false;
     private void villagerSettings() {
         villagerRidable = getBoolean("mobs.villager.ridable", villagerRidable);
         villagerRidableInWater = getBoolean("mobs.villager.ridable-in-water", villagerRidableInWater);
@@ -1603,6 +1604,7 @@ public class PurpurWorldConfig {
         villagerScale = Mth.clamp(getDouble("mobs.villager.attributes.scale", villagerScale), 0.0625D, 16.0D);
         villagerFollowEmeraldBlock = getBoolean("mobs.villager.follow-emerald-blocks", villagerFollowEmeraldBlock);
         villagerTemptRange = getDouble("mobs.villager.attributes.tempt_range", villagerTemptRange);
+        villagerCanBeLeashed = getBoolean("mobs.villager.can-be-leashed", villagerCanBeLeashed);
     }
 
     public boolean vindicatorRidable = false;
@@ -1630,6 +1632,7 @@ public class PurpurWorldConfig {
     public double wanderingTraderScale = 1.0D;
     public boolean wanderingTraderFollowEmeraldBlock = false;
     public double wanderingTraderTemptRange = 10.0D;
+    public boolean wanderingTraderCanBeLeashed = false;
     private void wanderingTraderSettings() {
         wanderingTraderRidable = getBoolean("mobs.wandering_trader.ridable", wanderingTraderRidable);
         wanderingTraderRidableInWater = getBoolean("mobs.wandering_trader.ridable-in-water", wanderingTraderRidableInWater);
@@ -1643,6 +1646,7 @@ public class PurpurWorldConfig {
         wanderingTraderScale = Mth.clamp(getDouble("mobs.wandering_trader.attributes.scale", wanderingTraderScale), 0.0625D, 16.0D);
         wanderingTraderFollowEmeraldBlock = getBoolean("mobs.wandering_trader.follow-emerald-blocks", wanderingTraderFollowEmeraldBlock);
         wanderingTraderTemptRange = getDouble("mobs.wandering_trader.attributes.tempt_range", wanderingTraderTemptRange);
+        wanderingTraderCanBeLeashed = getBoolean("mobs.wandering_trader.can-be-leashed", wanderingTraderCanBeLeashed);
     }
 
     public boolean wardenRidable = false;