Purpur/patches/server/0047-Allow-leashing-villagers.patch

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 36eb44b8f9a3b708d44bccdaaa98db04b4655f1a..d1ffc0f9f50db584d945630930a90599908e1bbd 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2922,6 +2922,7 @@ 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 87f1fbf405e5b71a25600030a98d8f1f187e0044..aa17159f54402dc2bb0f8336ef79614186f1ddd1 100644
--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
@@ -177,6 +177,11 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
     protected void registerGoals() {
         this.goalSelector.addGoal(0, new org.purpurmc.purpur.entity.ai.HasRider(this));
     }
+
+    @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 6990d6dc306b1d25544793b365fd6f7be8a37201..0d5e828a7fb6fd6facc04a27175541ac463c918e 100644
--- a/src/main/java/net/minecraft/world/entity/npc/WanderingTrader.java
+++ b/src/main/java/net/minecraft/world/entity/npc/WanderingTrader.java
@@ -86,6 +86,11 @@ 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 d40b9bdb60ec1de2052beedb3abd1b0efdbaa390..4bce5d936876bf17d81d008e73877c6d5637fb87 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -1576,6 +1576,7 @@ public class PurpurWorldConfig {
     public double villagerMaxHealth = 20.0D;
     public double villagerScale = 1.0D;
     public boolean villagerFollowEmeraldBlock = false;
+    public boolean villagerCanBeLeashed = false;
     private void villagerSettings() {
         villagerRidable = getBoolean("mobs.villager.ridable", villagerRidable);
         villagerRidableInWater = getBoolean("mobs.villager.ridable-in-water", villagerRidableInWater);
@@ -1588,6 +1589,7 @@ public class PurpurWorldConfig {
         villagerMaxHealth = getDouble("mobs.villager.attributes.max_health", villagerMaxHealth);
         villagerScale = Mth.clamp(getDouble("mobs.villager.attributes.scale", villagerScale), 0.0625D, 16.0D);
         villagerFollowEmeraldBlock = getBoolean("mobs.villager.follow-emerald-blocks", villagerFollowEmeraldBlock);
+        villagerCanBeLeashed = getBoolean("mobs.villager.can-be-leashed", villagerCanBeLeashed);
     }
 
     public boolean vindicatorRidable = false;
@@ -1614,6 +1616,7 @@ public class PurpurWorldConfig {
     public double wanderingTraderMaxHealth = 20.0D;
     public double wanderingTraderScale = 1.0D;
     public boolean wanderingTraderFollowEmeraldBlock = false;
+    public boolean wanderingTraderCanBeLeashed = false;
     private void wanderingTraderSettings() {
         wanderingTraderRidable = getBoolean("mobs.wandering_trader.ridable", wanderingTraderRidable);
         wanderingTraderRidableInWater = getBoolean("mobs.wandering_trader.ridable-in-water", wanderingTraderRidableInWater);
@@ -1626,6 +1629,7 @@ public class PurpurWorldConfig {
         wanderingTraderMaxHealth = getDouble("mobs.wandering_trader.attributes.max_health", wanderingTraderMaxHealth);
         wanderingTraderScale = Mth.clamp(getDouble("mobs.wandering_trader.attributes.scale", wanderingTraderScale), 0.0625D, 16.0D);
         wanderingTraderFollowEmeraldBlock = getBoolean("mobs.wandering_trader.follow-emerald-blocks", wanderingTraderFollowEmeraldBlock);
+        wanderingTraderCanBeLeashed = getBoolean("mobs.wandering_trader.can-be-leashed", wanderingTraderCanBeLeashed);
     }
 
     public boolean wardenRidable = false;