From 0000000000000000000000000000000000000000 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 3ac2ac3db9b1c271b3c21930bb13716669ff64d3..3c78d3234054ce2dc46ef77decb6adb0cbd10620 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -215,4 +215,19 @@ public class PaperWorldConfig {
     private void nonPlayerEntitiesOnScoreboards() {
         nonPlayerEntitiesOnScoreboards = getBoolean("allow-non-player-entities-on-scoreboards", 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/world/entity/projectile/EntityArrow.java b/src/main/java/net/minecraft/world/entity/projectile/EntityArrow.java
index 04af85e0ccb7a98e0796afcdcce33f8595b1db8c..7868259a94766a6100d7b278c4296dde0a7f9397 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/EntityArrow.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/EntityArrow.java
@@ -283,7 +283,7 @@ public abstract class EntityArrow extends IProjectile {
 
     protected void h() {
         ++this.despawnCounter;
-        if (this.despawnCounter >= ((this instanceof EntityThrownTrident) ? world.spigotConfig.tridentDespawnRate : world.spigotConfig.arrowDespawnRate)) { // Spigot
+        if (this.despawnCounter >= (fromPlayer == PickupStatus.CREATIVE_ONLY ? world.paperConfig.creativeArrowDespawnRate : (fromPlayer == PickupStatus.DISALLOWED ? world.paperConfig.nonPlayerArrowDespawnRate : ((this instanceof EntityThrownTrident) ? world.spigotConfig.tridentDespawnRate : world.spigotConfig.arrowDespawnRate)))) { // Spigot // Paper - TODO: Extract this to init?
             this.die();
         }