Purpur/patches/server/0062-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 b7008875e7a105ed9011425fe0c2f64817f5d0a8..0c274d82f9ddcfa7ddadf63fdc1324430b8ee040 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -4422,5 +4422,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
     public boolean processClick(InteractionHand hand) {
         return false;
     }
+
+    public boolean canSaveToDisk() {
+        return true;
+    }
     // Purpur end
 }
diff --git a/src/main/java/net/minecraft/world/entity/boss/wither/WitherBoss.java b/src/main/java/net/minecraft/world/entity/boss/wither/WitherBoss.java
index 8480ebae938abd4f11ad82fd11e3a5ad405aa180..9e6b44da2098b11b204d45a0f44287d842b5f792 100644
--- a/src/main/java/net/minecraft/world/entity/boss/wither/WitherBoss.java
+++ b/src/main/java/net/minecraft/world/entity/boss/wither/WitherBoss.java
@@ -209,6 +209,11 @@ public class WitherBoss extends Monster implements PowerableMob, RangedAttackMob
                 // do not hit rider
                 return target != rider && super.canHitEntity(target);
             }
+
+            @Override
+            public boolean canSaveToDisk() {
+                return false;
+            }
         };
         skull.setPosRaw(headX, headY, headZ);
         level.addFreshEntity(skull);
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 fec7d5c6a7b7a20ac9aecec1d3187f5c61fc430c..d4fd425c934e1e033d9aefda66958c864c11ea7d 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
@@ -92,6 +92,7 @@ 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
             dataList.getEntities().forEach((entity) -> {
+                if (!entity.canSaveToDisk()) return; // Purpur
                 // Paper start
                 final EntityType<?> entityType = entity.getType();
                 final int saveLimit = this.level.paperConfig.entityPerChunkSaveLimits.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 d55f7611599b2a339293688861100cb8dae9f6c6..5e99789e5156e8ffbf125e77114c547e1f8e7925 100644
--- a/src/main/java/org/purpurmc/purpur/entity/DolphinSpit.java
+++ b/src/main/java/org/purpurmc/purpur/entity/DolphinSpit.java
@@ -35,6 +35,11 @@ public class DolphinSpit extends LlamaSpit {
                 dolphin.getZ() + (double) (dolphin.getBbWidth() + 1.0F) * 0.5D * (double) Mth.cos(dolphin.yBodyRot * 0.017453292F));
     }
 
+    @Override
+    public boolean canSaveToDisk() {
+        return false;
+    }
+
     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 2eca8317e991ec46cc88a4c7d6d8b50152ba4ea7..b6a594cd6b08c687cf51c2f5494297ef96ec4b92 100644
--- a/src/main/java/org/purpurmc/purpur/entity/PhantomFlames.java
+++ b/src/main/java/org/purpurmc/purpur/entity/PhantomFlames.java
@@ -38,6 +38,11 @@ public class PhantomFlames extends LlamaSpit {
                 phantom.getZ() + (double) (phantom.getBbWidth() + 1.0F) * 0.5D * (double) Mth.cos(phantom.yBodyRot * 0.017453292F));
     }
 
+    @Override
+    public boolean canSaveToDisk() {
+        return false;
+    }
+
     public void tick() {
         super_tick();