From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Sun, 26 Dec 2021 20:27:43 -0500
Subject: [PATCH] Freeze Tick Lock API


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index d72573022ea2881df43aa37e647168036f7fc4d6..d3971bc8a1cedaaffa89bb6eedb45742aa7c1d34 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -411,6 +411,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
     private org.bukkit.util.Vector origin;
     @javax.annotation.Nullable
     private UUID originWorld;
+    public boolean freezeLocked = false; // Paper - Freeze Tick Lock API
 
     public void setOrigin(@javax.annotation.Nonnull Location location) {
         this.origin = location.toVector();
@@ -751,7 +752,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
                 this.setRemainingFireTicks(this.remainingFireTicks - 1);
             }
 
-            if (this.getTicksFrozen() > 0) {
+            if (this.getTicksFrozen() > 0 && !freezeLocked) { // Paper - Freeze Tick Lock API
                 this.setTicksFrozen(0);
                 this.level().levelEvent((Player) null, 1009, this.blockPosition, 1);
             }
@@ -2312,6 +2313,9 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
             if (fromNetherPortal) {
                 nbttagcompound.putBoolean("Paper.FromNetherPortal", true);
             }
+            if (freezeLocked) {
+                nbttagcompound.putBoolean("Paper.FreezeLock", true);
+            }
             // Paper end
             return nbttagcompound;
         } catch (Throwable throwable) {
@@ -2456,6 +2460,9 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
             if (spawnReason == null) {
                 spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT;
             }
+            if (nbt.contains("Paper.FreezeLock")) {
+                freezeLocked = nbt.getBoolean("Paper.FreezeLock");
+            }
             // Paper end
 
         } catch (Throwable throwable) {
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 45493e09843e5a3c4511f7f1b36cfec9468a0391..a02df3b6fd908b16dbe5a3be77174bfb82a5f35f 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3497,7 +3497,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
 
         this.level().getProfiler().pop();
         this.level().getProfiler().push("freezing");
-        if (!this.level().isClientSide && !this.isDeadOrDying()) {
+        if (!this.level().isClientSide && !this.isDeadOrDying() && !this.freezeLocked) { // Paper - Freeze Tick Lock API
             int i = this.getTicksFrozen();
 
             if (this.isInPowderSnow && this.canFreeze()) {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 4ed5647101bbace0005b1ebfb824e4aed48e43cb..4c09f2529dd8eb7ac7d260d177f5292ff2339442 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -323,6 +323,17 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
         return this.getHandle().isFullyFrozen();
     }
 
+    // Paper start - Freeze Tick Lock API
+    @Override
+    public boolean isFreezeTickingLocked() {
+        return this.entity.freezeLocked;
+    }
+
+    @Override
+    public void lockFreezeTicks(boolean locked) {
+        this.entity.freezeLocked = locked;
+    }
+    // Paper end - Freeze Tick Lock API
     @Override
     public void remove() {
         this.entity.pluginRemoved = true;