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 f0ba7603795eb1fde01dc86cd3d8b02d73a55869..a99d04b820c230422bc82a3e0e094a79ab0c5c33 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -558,6 +558,10 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
         return false;
     }
 
+    public boolean canSaveToDisk() {
+        return true;
+    }
+
     public final boolean hardCollides() {
         return this.hardCollides;
     }
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 4117260538e47c978ea31c76f439d43369ebedfb..c753f715710ec4bb8337e035ac5a4c11371a84a0 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
@@ -117,6 +117,11 @@ 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 bee39dee1b96023c907407877aedf3aafaf5e1b8..5b6bc200381a486c99061f9f5b7121c2c355b477 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
@@ -107,6 +107,7 @@ public class EntityStorage implements EntityPersistentStorage<Entity> {
         ListTag listTag = new ListTag();
         final java.util.Map<net.minecraft.world.entity.EntityType<?>, Integer> savedEntityCounts = new java.util.HashMap<>(); // Paper - Entity load/save limit per chunk
         entities.forEach((entity) -> { // diff here: use entities parameter
+            if (!entity.canSaveToDisk()) return; // Purpur
             // Paper start - Entity load/save limit per chunk
             final EntityType<?> entityType = entity.getType();
             final int saveLimit = level.paperConfig().chunks.entityPerChunkSaveLimit.getOrDefault(entityType, -1);
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();