Purpur/patches/server/0051-Add-canSaveToDisk-to-Entity.patch

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 canSaveToDisk to Entity


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 0056b23f6e883a057c267b4ca4c807b8a929a515..92c7c8e75a8d8d97496b24bf0b6719aeeb1440dc 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -530,6 +530,11 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
         return this.getIndirectPassengersStream().anyMatch((entity) -> entity instanceof Player);
     }
     // Paper end - rewrite chunk system
+    // Purpur start
+    public boolean canSaveToDisk() {
+        return true;
+    }
+    // Purpur end
 
     public Entity(EntityType<?> type, Level world) {
         this.id = Entity.ENTITY_COUNTER.incrementAndGet();
diff --git a/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java b/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
index 63f48841c849ff49d9d43efc5de8952c5a9bba3a..e472df057d087fe46bd40b798c050ed6e38a283c 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
@@ -121,6 +121,11 @@ public class WitherSkull extends AbstractHurtingProjectile {
         // do not hit rider
         return target != this.getRider() && super.canHitEntity(target);
     }
+
+    @Override
+    public boolean canSaveToDisk() {
+        return false;
+    }
     // Purpur end
 
     @Override
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java
index 503ac0374e0c9f9993ad37bb8bd8cf1570d3615a..8987312954f17465b0a6f39f83aa29a727ad1125 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java
@@ -94,6 +94,7 @@ public class EntityStorage implements EntityPersistentStorage<Entity> {
             ListTag listTag = new ListTag();
             dataList.getEntities().forEach(entity -> {
                 CompoundTag compoundTagx = new CompoundTag();
+                if (!entity.canSaveToDisk()) return; // Purpur
                 if (entity.save(compoundTagx)) {
                     listTag.add(compoundTagx);
                 }
diff --git a/src/main/java/org/purpurmc/purpur/entity/DolphinSpit.java b/src/main/java/org/purpurmc/purpur/entity/DolphinSpit.java
index 89c476c740b4efb4f44c1dcd384b908626d96780..f25abee6dbf99c8d08f8e09db02b41df86115faa 100644
--- a/src/main/java/org/purpurmc/purpur/entity/DolphinSpit.java
+++ b/src/main/java/org/purpurmc/purpur/entity/DolphinSpit.java
@@ -36,6 +36,13 @@ public class DolphinSpit extends LlamaSpit {
                 dolphin.getZ() + (double) (dolphin.getBbWidth() + 1.0F) * 0.5D * (double) Mth.cos(dolphin.yBodyRot * 0.017453292F));
     }
 
+    // Purpur start
+    @Override
+    public boolean canSaveToDisk() {
+        return false;
+    }
+    // Purpur end
+
     public void tick() {
         super_tick();
 
diff --git a/src/main/java/org/purpurmc/purpur/entity/PhantomFlames.java b/src/main/java/org/purpurmc/purpur/entity/PhantomFlames.java
index c0b7e0eeffdf31b88662232b07944bf3e6fa2148..75e31aee6e706f042398444f272888f9ad0fa3f4 100644
--- a/src/main/java/org/purpurmc/purpur/entity/PhantomFlames.java
+++ b/src/main/java/org/purpurmc/purpur/entity/PhantomFlames.java
@@ -38,6 +38,13 @@ public class PhantomFlames extends LlamaSpit {
                 phantom.getZ() + (double) (phantom.getBbWidth() + 1.0F) * 0.5D * (double) Mth.cos(phantom.yBodyRot * 0.017453292F));
     }
 
+    // Purpur start
+    @Override
+    public boolean canSaveToDisk() {
+        return false;
+    }
+    // Purpur end
+
     public void tick() {
         super_tick();