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 397995fe4c360d837282535b9b7aaf7f3d93f85f..4c4385d3d20556a2695f69c95d6b3cff087d26d9 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -271,4 +271,19 @@ 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/AbstractArrow.java b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
index 27c31a9e926f919c7edc8fc0cdd7fba70616d60c..046082ab7deb21574d9471b78a39a4a6bb296c2f 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
@@ -311,7 +311,7 @@ public abstract class AbstractArrow extends Projectile {
 
     protected void tickDespawn() {
         ++this.life;
-        if (this.life >= ((this instanceof ThrownTrident) ? level.spigotConfig.tridentDespawnRate : level.spigotConfig.arrowDespawnRate)) { // Spigot
+        if (this.life >= (pickup == Pickup.CREATIVE_ONLY ? level.paperConfig.creativeArrowDespawnRate : (pickup == Pickup.DISALLOWED ? level.paperConfig.nonPlayerArrowDespawnRate : ((this instanceof ThrownTrident) ? level.spigotConfig.tridentDespawnRate : level.spigotConfig.arrowDespawnRate)))) { // Spigot // Paper - TODO: Extract this to init?
             this.discard();
         }