Paper/patches/server/0671-Add-more-WanderingTrader-API.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: HexedHero <6012891+HexedHero@users.noreply.github.com>
Date: Thu, 6 May 2021 14:56:43 +0100
Subject: [PATCH] Add more WanderingTrader API


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 9f9b48546fd1ae23a04cad060b6996e21354efbb..c4f7c94255e4631a3c0355f9260132ba28296f50 100644
--- a/src/main/java/net/minecraft/world/entity/npc/WanderingTrader.java
+++ b/src/main/java/net/minecraft/world/entity/npc/WanderingTrader.java
@@ -57,6 +57,10 @@ public class WanderingTrader extends net.minecraft.world.entity.npc.AbstractVill
     @Nullable
     private BlockPos wanderTarget;
     private int despawnDelay;
+    // Paper start - Add more WanderingTrader API
+    public boolean canDrinkPotion = true;
+    public boolean canDrinkMilk = true;
+    // Paper end
 
     public WanderingTrader(EntityType<? extends WanderingTrader> type, Level world) {
         super(type, world);
@@ -67,10 +71,10 @@ public class WanderingTrader extends net.minecraft.world.entity.npc.AbstractVill
     protected void registerGoals() {
         this.goalSelector.addGoal(0, new FloatGoal(this));
         this.goalSelector.addGoal(0, new UseItemGoal<>(this, PotionUtils.setPotion(new ItemStack(Items.POTION), Potions.INVISIBILITY), SoundEvents.WANDERING_TRADER_DISAPPEARED, (entityvillagertrader) -> {
-            return this.level.isNight() && !entityvillagertrader.isInvisible();
+            return this.canDrinkPotion && this.level.isNight() && !entityvillagertrader.isInvisible(); // Paper - Add more WanderingTrader API
         }));
         this.goalSelector.addGoal(0, new UseItemGoal<>(this, new ItemStack(Items.MILK_BUCKET), SoundEvents.WANDERING_TRADER_REAPPEARED, (entityvillagertrader) -> {
-            return this.level.isDay() && entityvillagertrader.isInvisible();
+            return canDrinkMilk && this.level.isDay() && entityvillagertrader.isInvisible(); // Paper - Add more WanderingTrader API
         }));
         this.goalSelector.addGoal(1, new TradeWithPlayerGoal(this));
         this.goalSelector.addGoal(1, new AvoidEntityGoal<>(this, Zombie.class, 8.0F, 0.5D, 0.5D));
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftWanderingTrader.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftWanderingTrader.java
index 65b052567d1d855021d7273672b4354aba0a42a4..fa7107593b20e0151d8d67104e4a92dcc697d461 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftWanderingTrader.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftWanderingTrader.java
@@ -34,4 +34,26 @@ public class CraftWanderingTrader extends CraftAbstractVillager implements Wande
     public void setDespawnDelay(int despawnDelay) {
         this.getHandle().setDespawnDelay(despawnDelay);
     }
+
+    // Paper start - Add more WanderingTrader API
+    @Override
+    public void setCanDrinkPotion(boolean bool) {
+        getHandle().canDrinkPotion = bool;
+    }
+
+    @Override
+    public boolean canDrinkPotion() {
+        return getHandle().canDrinkPotion;
+    }
+
+    @Override
+    public void setCanDrinkMilk(boolean bool) {
+        getHandle().canDrinkMilk = bool;
+    }
+
+    @Override
+    public boolean canDrinkMilk() {
+        return getHandle().canDrinkMilk;
+    }
+    // Paper end
 }