From 378942b6c4acb8ba353194471f3e007ef24de4d4 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 c2845266e2..795545245a 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -205,4 +205,19 @@ public class PaperWorldConfig {
     private void allowLeashingUndeadHorse() {
         allowLeashingUndeadHorse = getBoolean("allow-leashing-undead-horse", false);
     }
+
+    public int nonPlayerArrowDespawnRate = -1;
+    public int creativeArrowDespawnRate = -1;
+    private void nonPlayerArrowDespawnRate() {
+        nonPlayerArrowDespawnRate = getInt("non-player-arrow-despawn-rate", -1);
+        if (nonPlayerArrowDespawnRate == -1) {
+            nonPlayerArrowDespawnRate = spigotConfig.arrowDespawnRate;
+        }
+        creativeArrowDespawnRate = getInt("creative-arrow-despawn-rate", -1);
+        if (creativeArrowDespawnRate == -1) {
+            creativeArrowDespawnRate = spigotConfig.arrowDespawnRate;
+        }
+        log("Non Player Arrow Despawn Rate: " + nonPlayerArrowDespawnRate);
+        log("Creative Arrow Despawn Rate: " + creativeArrowDespawnRate);
+    }
 }
diff --git a/src/main/java/net/minecraft/server/EntityArrow.java b/src/main/java/net/minecraft/server/EntityArrow.java
index b0f93d9cf5..74cf2ab68a 100644
--- a/src/main/java/net/minecraft/server/EntityArrow.java
+++ b/src/main/java/net/minecraft/server/EntityArrow.java
@@ -262,7 +262,7 @@ public abstract class EntityArrow extends Entity implements IProjectile {
 
     protected void f() {
         ++this.despawnCounter;
-        if (this.despawnCounter >= world.spigotConfig.arrowDespawnRate) { // Spigot
+        if (this.despawnCounter >= (fromPlayer == PickupStatus.CREATIVE_ONLY ? world.paperConfig.creativeArrowDespawnRate : (fromPlayer == PickupStatus.DISALLOWED ? world.paperConfig.nonPlayerArrowDespawnRate : world.spigotConfig.arrowDespawnRate))) { // Spigot // Paper
             this.die();
         }
 
-- 
2.19.0