Purpur/patches/server/0052-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 f573cbaa5bf7bc12d6e9405010bf50c13727b350..c2cc934f2599c6620b60b1b1485c743390157377 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -611,6 +611,11 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
         }
     }
     // Paper end - optimise entity tracker
+    // 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 a1f25efb38eff32aaabe892ddbc9a60426923686..e0f25b057b7b908a10038d9e9695a500aa883c75 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 16ca1c8672e5f0a27f8a30498c754a81cdec5191..e37dff5dcabeca698838e1a8c9633807213443cc 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
@@ -95,6 +95,7 @@ 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();