From d041dc5744a8c53ce8ae8803331ed26d69c7b4b0 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 18 Mar 2016 15:12:22 -0400
Subject: [PATCH] Configurable Non Player Arrow Despawn Rate

Can set a much shorter despawn rate for arrows that players can not pick up.

diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 57e1fcf..3f8a47b 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -279,4 +279,13 @@ public class PaperWorldConfig {
     private void allowLeashingUndeadHorse() {
         allowLeashingUndeadHorse = getBoolean("allow-leashing-undead-horse", false);
     }
+
+    public int nonPlayerArrowDespawnRate = -1;
+    private void nonPlayerArrowDespawnRate() {
+        nonPlayerArrowDespawnRate = getInt("non-player-arrow-despawn-rate", -1);
+        if (nonPlayerArrowDespawnRate == -1) {
+            nonPlayerArrowDespawnRate = spigotConfig.arrowDespawnRate;
+        }
+        log("Non Player Arrow Despawn Rate: " + nonPlayerArrowDespawnRate);
+    }
 }
diff --git a/src/main/java/net/minecraft/server/EntityArrow.java b/src/main/java/net/minecraft/server/EntityArrow.java
index ccbf47e..b7ac5f7 100644
--- a/src/main/java/net/minecraft/server/EntityArrow.java
+++ b/src/main/java/net/minecraft/server/EntityArrow.java
@@ -149,7 +149,7 @@ public abstract class EntityArrow extends Entity implements IProjectile {
 
             if (block == this.aw && i == this.ax) {
                 ++this.ay;
-                if (this.ay >= world.spigotConfig.arrowDespawnRate) { // Spigot - First int after shooter
+                if (this.ay >= (fromPlayer != PickupStatus.DISALLOWED ? world.spigotConfig.arrowDespawnRate : world.paperConfig.nonPlayerArrowDespawnRate)) { // Spigot - First int after shooter // Paper
                     this.die();
                 }
             } else {
-- 
2.9.0