From ad7894cde5981fbf78387bdd55786b3bfe166846 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Fri, 29 Nov 2019 22:11:28 -0600
Subject: [PATCH] Villagers follow emerald blocks

---
 docs/source/configuration.rst                 |  3 +
 ...0083-Villagers-follow-emerald-blocks.patch | 58 +++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 patches/server/0083-Villagers-follow-emerald-blocks.patch

diff --git a/docs/source/configuration.rst b/docs/source/configuration.rst
index e6ebf8185..8b820ed2b 100644
--- a/docs/source/configuration.rst
+++ b/docs/source/configuration.rst
@@ -237,6 +237,9 @@ mobs
     * allow-leashing
         - **default**: false
         - **description**: Allow players to use leads on villagers (trader not included)
+    * follow-emerald-blocks
+        - **default:** false
+        - **description:** Villagers will be tempted by emerald blocks and follow players holding them
 
 * zombie
     * target-turtle-eggs
diff --git a/patches/server/0083-Villagers-follow-emerald-blocks.patch b/patches/server/0083-Villagers-follow-emerald-blocks.patch
new file mode 100644
index 000000000..a7cce55ad
--- /dev/null
+++ b/patches/server/0083-Villagers-follow-emerald-blocks.patch
@@ -0,0 +1,58 @@
+From 133184a0864f4daec4b4b5752b620781176bf117 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <Blake.Galbreath@GMail.com>
+Date: Fri, 29 Nov 2019 22:10:12 -0600
+Subject: [PATCH] Villagers follow emerald blocks
+
+---
+ src/main/java/net/minecraft/server/EntityVillager.java | 10 ++++++++++
+ src/main/java/net/pl3x/purpur/PurpurConfig.java        |  2 ++
+ 2 files changed, 12 insertions(+)
+
+diff --git a/src/main/java/net/minecraft/server/EntityVillager.java b/src/main/java/net/minecraft/server/EntityVillager.java
+index 2a848304df..f9da2f1058 100644
+--- a/src/main/java/net/minecraft/server/EntityVillager.java
++++ b/src/main/java/net/minecraft/server/EntityVillager.java
+@@ -29,6 +29,7 @@ import org.bukkit.event.entity.VillagerReplenishTradeEvent;
+ 
+ public class EntityVillager extends EntityVillagerAbstract implements ReputationHandler, VillagerDataHolder {
+ 
++    private static final RecipeItemStack TEMPT_ITEMS = RecipeItemStack.a(Blocks.EMERALD_BLOCK.getItem()); // Purpur
+     private static final DataWatcherObject<VillagerData> bC = DataWatcher.a(EntityVillager.class, DataWatcherRegistry.q);
+     public static final Map<Item, Integer> bA = ImmutableMap.of(Items.BREAD, 4, Items.POTATO, 1, Items.CARROT, 1, Items.BEETROOT, 1);
+     private static final Set<Item> bD = ImmutableSet.of(Items.BREAD, Items.POTATO, Items.CARROT, Items.WHEAT, Items.WHEAT_SEEDS, Items.BEETROOT, new Item[]{Items.BEETROOT_SEEDS});
+@@ -70,6 +71,15 @@ public class EntityVillager extends EntityVillagerAbstract implements Reputation
+         brainTickOffset = getRandom().nextInt(100); // Purpur
+     }
+ 
++    // Purpur start
++    @Override
++    protected void initPathfinder() {
++        if (net.pl3x.purpur.PurpurConfig.villagersFollowEmeraldBlocks) {
++            this.goalSelector.a(3, new PathfinderGoalTempt(this, 1.0D, false, TEMPT_ITEMS));
++        }
++    }
++    // Purpur end
++
+     @Override
+     public BehaviorController<EntityVillager> getBehaviorController() {
+         return (BehaviorController<EntityVillager>) super.getBehaviorController(); // CraftBukkit - decompile error
+diff --git a/src/main/java/net/pl3x/purpur/PurpurConfig.java b/src/main/java/net/pl3x/purpur/PurpurConfig.java
+index 68db82759d..4bf208b35c 100644
+--- a/src/main/java/net/pl3x/purpur/PurpurConfig.java
++++ b/src/main/java/net/pl3x/purpur/PurpurConfig.java
+@@ -280,10 +280,12 @@ public class PurpurConfig {
+     public static boolean useVillagerBrainTicksOnlyWhenLagging = true;
+     public static int villagerBrainTicks = 20;
+     public static boolean allowLeashingVillagers = false;
++    public static boolean villagersFollowEmeraldBlocks = false;
+     private static void villagerSettings() {
+         useVillagerBrainTicksOnlyWhenLagging = getBoolean("settings.mobs.villager.use-brain-ticks-only-when-lagging", useVillagerBrainTicksOnlyWhenLagging);
+         villagerBrainTicks = getInt("settings.mobs.villager.brain-ticks", villagerBrainTicks);
+         allowLeashingVillagers = getBoolean("settings.mobs.villager.allow-leashing", allowLeashingVillagers);
++        villagersFollowEmeraldBlocks = getBoolean("settings.mobs.villager.follow-emerald-blocks", villagersFollowEmeraldBlocks);
+     }
+ 
+     public static boolean zombieTargetsTurtleEggs = true;
+-- 
+2.24.0.rc1
+