From 48558630bb0b0715005ce6ef0345f82de1a7c875 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

---
 src/main/java/net/minecraft/server/EntityInsentient.java   | 1 +
 src/main/java/net/minecraft/server/EntityVillager.java     | 5 +++++
 .../java/net/minecraft/server/EntityVillagerTrader.java    | 7 +++++++
 src/main/java/net/pl3x/purpur/PurpurWorldConfig.java       | 4 ++++
 4 files changed, 17 insertions(+)

diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
index b23674625..744552fda 100644
--- a/src/main/java/net/minecraft/server/EntityInsentient.java
+++ b/src/main/java/net/minecraft/server/EntityInsentient.java
@@ -1129,6 +1129,7 @@ public abstract class EntityInsentient extends EntityLiving {
         if (!this.isAlive()) {
             return EnumInteractionResult.PASS;
         } else if (this.getLeashHolder() == entityhuman) {
+            if (enumhand == EnumHand.OFF_HAND && (world.purpurConfig.villagerCanBeLeashed || world.purpurConfig.villagerTraderCanBeLeashed) && this instanceof EntityVillagerAbstract) return EnumInteractionResult.CONSUME; // Purpur
             // CraftBukkit start - fire PlayerUnleashEntityEvent
             if (CraftEventFactory.callPlayerUnleashEntityEvent(this, entityhuman).isCancelled()) {
                 ((EntityPlayer) entityhuman).playerConnection.sendPacket(new PacketPlayOutAttachEntity(this, this.getLeashHolder()));
diff --git a/src/main/java/net/minecraft/server/EntityVillager.java b/src/main/java/net/minecraft/server/EntityVillager.java
index 3e10ee440..97eb26482 100644
--- a/src/main/java/net/minecraft/server/EntityVillager.java
+++ b/src/main/java/net/minecraft/server/EntityVillager.java
@@ -79,6 +79,11 @@ public class EntityVillager extends EntityVillagerAbstract implements Reputation
     protected void initPathfinder() {
         if (world.purpurConfig.villagerFollowEmeraldBlock) this.goalSelector.a(3, new PathfinderGoalTempt(this, 1.0D, false, TEMPT_ITEMS));
     }
+
+    @Override
+    public boolean a(EntityHuman entityhuman) {
+        return world.purpurConfig.villagerCanBeLeashed && !this.isLeashed();
+    }
     // Purpur end
 
     @Override
diff --git a/src/main/java/net/minecraft/server/EntityVillagerTrader.java b/src/main/java/net/minecraft/server/EntityVillagerTrader.java
index ab5e97e39..9985afb12 100644
--- a/src/main/java/net/minecraft/server/EntityVillagerTrader.java
+++ b/src/main/java/net/minecraft/server/EntityVillagerTrader.java
@@ -47,6 +47,13 @@ public class EntityVillagerTrader extends EntityVillagerAbstract {
         this.goalSelector.a(10, new PathfinderGoalLookAtPlayer(this, EntityInsentient.class, 8.0F));
     }
 
+    // Purpur - start
+    @Override
+    public boolean a(EntityHuman entityhuman) {
+        return world.purpurConfig.villagerTraderCanBeLeashed && !this.isLeashed();
+    }
+    // Purpur - end
+
     @Nullable
     @Override
     public EntityAgeable createChild(EntityAgeable entityageable) {
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index 1f22ee61b..f82288126 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -258,17 +258,21 @@ public class PurpurWorldConfig {
 
     public int villagerBrainTicks = 1;
     public boolean villagerUseBrainTicksOnlyWhenLagging = true;
+    public boolean villagerCanBeLeashed = false;
     public boolean villagerFarmingBypassMobGriefing = false;
     public boolean villagerFollowEmeraldBlock = false;
     private void villagerSettings() {
         villagerBrainTicks = getInt("mobs.villager.brain-ticks", villagerBrainTicks);
         villagerUseBrainTicksOnlyWhenLagging = getBoolean("mobs.villager.use-brain-ticks-only-when-lagging", villagerUseBrainTicksOnlyWhenLagging);
+        villagerCanBeLeashed = getBoolean("mobs.villager.can-be-leashed", villagerCanBeLeashed);
         villagerFarmingBypassMobGriefing = getBoolean("mobs.villager.bypass-mob-griefing", villagerFarmingBypassMobGriefing);
         villagerFollowEmeraldBlock = getBoolean("mobs.villager.follow-emerald-blocks", villagerFollowEmeraldBlock);
     }
 
+    public boolean villagerTraderCanBeLeashed = false;
     public boolean villagerTraderFollowEmeraldBlock = false;
     private void villagerTraderSettings() {
+        villagerTraderCanBeLeashed = getBoolean("mobs.wandering_trader.can-be-leashed", villagerTraderCanBeLeashed);
         villagerTraderFollowEmeraldBlock = getBoolean("mobs.wandering_trader.follow-emerald-blocks", villagerTraderFollowEmeraldBlock);
     }
 
-- 
2.26.2