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 dd21221534542d0265fa7d2178ab69c236579cf7..7de7b74ff69bba1cbad24623d7eeff6c79812bab 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -213,4 +213,19 @@ 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 a9f843aade2a9a5e7004632c72e5bb1b46d9ad65..2b14b2c3fa21e67ebd8f344a6ee066d67bf53044 100644
--- a/src/main/java/net/minecraft/server/EntityArrow.java
+++ b/src/main/java/net/minecraft/server/EntityArrow.java
@@ -266,7 +266,7 @@ public abstract class EntityArrow extends Entity implements IProjectile {
 
     protected void i() {
         ++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();
         }