Purpur/patches/server/0056-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/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index 7444db8898d1f520a7658b1c0d0499e9171dbe29..2ee095823d3492157f101d083f77233620294c8b 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -1258,6 +1258,7 @@ public abstract class Mob extends LivingEntity {
         if (!this.isAlive()) {
             return InteractionResult.PASS;
         } else if (this.getLeashHolder() == player) {
+            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 - drop leash variable
             org.bukkit.event.player.PlayerUnleashEntityEvent event = CraftEventFactory.callPlayerUnleashEntityEvent(this, player, !player.getAbilities().instabuild);
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 45fb970ec55a13f1f7b2e9858cc3c4d2ce9b0d75..2087b4a4fbc4076c5ec59aaf73f1367ffcd0ef7c 100644
--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
@@ -183,6 +183,11 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
     public void initAttributes() {
         this.getAttribute(Attributes.MAX_HEALTH).setBaseValue(this.level.purpurConfig.villagerMaxHealth);
     }
+
+    @Override
+    public boolean canBeLeashed(Player player) {
+        return level.purpurConfig.villagerCanBeLeashed && !this.isLeashed();
+    }
     // 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 615fdf709b81693cced9a208cc96a33fb686c9a1..8756e0d8d0077308f5fb74bf45fe093d0f043c99 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 void initAttributes() {
         this.getAttribute(net.minecraft.world.entity.ai.attributes.Attributes.MAX_HEALTH).setBaseValue(this.level.purpurConfig.wanderingTraderMaxHealth);
     }
+
+    @Override
+    public boolean canBeLeashed(Player player) {
+        return level.purpurConfig.wanderingTraderCanBeLeashed && !this.isLeashed();
+    }
     // Purpur end
 
     @Override
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index 66b8b647df7cc59c8bd916fed6b0586b0198f699..b21bac52d0ecd70cdc4c059b5f1fcbc8fa49da19 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -1412,6 +1412,7 @@ public class PurpurWorldConfig {
     public int villagerBrainTicks = 1;
     public boolean villagerUseBrainTicksOnlyWhenLagging = true;
     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);
@@ -1425,6 +1426,7 @@ public class PurpurWorldConfig {
         villagerBrainTicks = getInt("mobs.villager.brain-ticks", villagerBrainTicks);
         villagerUseBrainTicksOnlyWhenLagging = getBoolean("mobs.villager.use-brain-ticks-only-when-lagging", villagerUseBrainTicksOnlyWhenLagging);
         villagerFollowEmeraldBlock = getBoolean("mobs.villager.follow-emerald-blocks", villagerFollowEmeraldBlock);
+        villagerCanBeLeashed = getBoolean("mobs.villager.can-be-leashed", villagerCanBeLeashed);
     }
 
     public boolean vindicatorRidable = false;
@@ -1448,6 +1450,7 @@ public class PurpurWorldConfig {
     public boolean wanderingTraderControllable = true;
     public double wanderingTraderMaxHealth = 20.0D;
     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);
@@ -1459,6 +1462,7 @@ public class PurpurWorldConfig {
         }
         wanderingTraderMaxHealth = getDouble("mobs.wandering_trader.attributes.max_health", wanderingTraderMaxHealth);
         wanderingTraderFollowEmeraldBlock = getBoolean("mobs.wandering_trader.follow-emerald-blocks", wanderingTraderFollowEmeraldBlock);
+        wanderingTraderCanBeLeashed = getBoolean("mobs.wandering_trader.can-be-leashed", wanderingTraderCanBeLeashed);
     }
 
     public boolean wardenRidable = false;