#802: Add methods to modify despawn delay for wandering villagers

By: DiamondDagger590 <diamonddagger590@gmail.com>

paper-server/nms-patches/EntityVillagerTrader.patch

@@ -13,7 +13,15 @@
  
  public class EntityVillagerTrader extends EntityVillagerAbstract {
  
-@@ -89,7 +95,16 @@
+@@ -12,6 +18,7 @@
+     public EntityVillagerTrader(EntityTypes<? extends EntityVillagerTrader> entitytypes, World world) {
+         super(entitytypes, world);
+         this.attachedToPlayer = true;
++        this.u(48000); // CraftBukkit - set default from MobSpawnerTrader
+     }
+ 
+     @Override
+@@ -89,7 +96,16 @@
              MerchantRecipe merchantrecipe = villagertrades_imerchantrecipeoption.a(this, this.random);
  
              if (merchantrecipe != null) {

paper-server/nms-patches/MobSpawnerTrader.patch

@@ -9,6 +9,15 @@
  
                  if (entityvillagertrader != null) {
                      for (int i = 0; i < 2; ++i) {
+@@ -91,7 +91,7 @@
+                     }
+ 
+                     this.b.a(entityvillagertrader.getUniqueID());
+-                    entityvillagertrader.u(48000);
++                    // entityvillagertrader.u(48000); // CraftBukkit - moved to EntityVillagerTrader constructor. This lets the value be modified by plugins on CreatureSpawnEvent
+                     entityvillagertrader.g(blockposition1);
+                     entityvillagertrader.a(blockposition1, 16);
+                     return true;
 @@ -106,7 +106,7 @@
          BlockPosition blockposition = this.a((IWorldReader) worldserver, entityvillagertrader.getChunkCoordinates(), i);
  

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftWanderingTrader.java

@@ -25,4 +25,14 @@ public class CraftWanderingTrader extends CraftAbstractVillager implements Wande
     public EntityType getType() {
         return EntityType.WANDERING_TRADER;
     }
+
+    @Override
+    public int getDespawnDelay() {
+        return getHandle().eX();
+    }
+
+    @Override
+    public void setDespawnDelay(int despawnDelay) {
+        getHandle().u(despawnDelay);
+    }
 }