From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Tue, 18 Feb 2020 20:07:08 -0600
Subject: [PATCH] Add option to disable saving projectiles to disk


diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index c2adc7f52..24a6102b3 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -489,6 +489,7 @@ public class ChunkRegionLoader {
 
                 while (iterator1.hasNext()) {
                     Entity entity = (Entity) iterator1.next();
+                    if (!entity.canSaveToDisk()) continue; // Purpur
                     NBTTagCompound nbttagcompound4 = new NBTTagCompound();
                     // Paper start
                     if (asyncsavedata == null && !entity.dead && (int) Math.floor(entity.locX()) >> 4 != chunk.getPos().x || (int) Math.floor(entity.locZ()) >> 4 != chunk.getPos().z) {
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index d978f2b08..204d9e004 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -306,6 +306,12 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
         this.headHeight = this.getHeadHeight(EntityPose.STANDING, this.size);
     }
 
+    // Purpur start
+    public boolean canSaveToDisk() {
+        return true;
+    }
+    // Purpur end
+
     public boolean isSpectator() {
         return false;
     }
diff --git a/src/main/java/net/minecraft/server/EntityEnderSignal.java b/src/main/java/net/minecraft/server/EntityEnderSignal.java
index 08da58677..3ff61434c 100644
--- a/src/main/java/net/minecraft/server/EntityEnderSignal.java
+++ b/src/main/java/net/minecraft/server/EntityEnderSignal.java
@@ -19,6 +19,13 @@ public class EntityEnderSignal extends Entity {
         this.setPosition(d0, d1, d2);
     }
 
+    // Purpur start
+    @Override
+    public boolean canSaveToDisk() {
+        return world != null && world.purpurConfig.saveProjectilesToDisk;
+    }
+    // Purpur end
+
     public void setItem(ItemStack itemstack) {
         if (true || itemstack.getItem() != Items.ENDER_EYE || itemstack.hasTag()) { // CraftBukkit - always allow item changing
             this.getDataWatcher().set(EntityEnderSignal.b, SystemUtils.a(itemstack.cloneItemStack(), (itemstack1) -> { // CraftBukkit - decompile error
diff --git a/src/main/java/net/minecraft/server/IProjectile.java b/src/main/java/net/minecraft/server/IProjectile.java
index 9f5ce64a6..0bac6b050 100644
--- a/src/main/java/net/minecraft/server/IProjectile.java
+++ b/src/main/java/net/minecraft/server/IProjectile.java
@@ -18,6 +18,13 @@ public abstract class IProjectile extends Entity {
         super(entitytypes, world);
     }
 
+    // Purpur start
+    @Override
+    public boolean canSaveToDisk() {
+        return world != null && world.purpurConfig.saveProjectilesToDisk;
+    }
+    // Purpur end
+
     public void setShooter(@Nullable Entity entity) {
         if (entity != null) {
             this.shooter = entity.getUniqueID();
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index 4c43444cb..839fead62 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -113,11 +113,13 @@ public class PurpurWorldConfig {
     public boolean disableDropsOnCrammingDeath = false;
     public boolean entitiesPickUpLootBypassMobGriefing = false;
     public boolean milkCuresBadOmen = true;
+    public boolean saveProjectilesToDisk = true;
     public double tridentLoyaltyVoidReturnHeight = 0.0D;
     private void miscGameplayMechanicsSettings() {
         disableDropsOnCrammingDeath = getBoolean("gameplay-mechanics.disable-drops-on-cramming-death", disableDropsOnCrammingDeath);
         entitiesPickUpLootBypassMobGriefing = getBoolean("gameplay-mechanics.entities-pick-up-loot-bypass-mob-griefing", entitiesPickUpLootBypassMobGriefing);
         milkCuresBadOmen = getBoolean("gameplay-mechanics.milk-cures-bad-omen", milkCuresBadOmen);
+        saveProjectilesToDisk = getBoolean("gameplay-mechanics.save-projectiles-to-disk", saveProjectilesToDisk);
         tridentLoyaltyVoidReturnHeight = getDouble("gameplay-mechanics.trident-loyalty-void-return-height", tridentLoyaltyVoidReturnHeight);
     }