Purpur/patches/server/0061-Add-canSaveToDisk-to-Entity.patch at 48af1248d83de59731fc39e024e9b513e0c854b0 · PurpurMC/Purpur · GitHub

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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 555702ee03b0032f1cced2e63685b6a447216b57..7f1939cd6cd4e64c3085e6b24e1fe3d3719589f5 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -4621,5 +4621,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
     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 cdaefabf24c59338a0406072ce01029c194700fd..80674ee4882d2d1c67f78c6bc627e34a78d0c4b0 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
@@ -220,6 +220,11 @@ 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 1782d6957fa0290368e443e2e8d7b3c77ac6b8ef..2c9e9d35cd6500aa0ce3b53122067c6a2a15cbf7 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
@@ -112,6 +112,7 @@ 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
         entities.forEach((entity) -> { // diff here: use entities parameter
+            if (!entity.canSaveToDisk()) return; // Purpur
             // Paper start
             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 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();