From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Blast-MC <cjblanton2@gmail.com>
Date: Mon, 15 Jan 2024 16:39:10 -0500
Subject: [PATCH] Entity Data Storage


diff --git a/src/main/java/gg/projecteden/parchment/entity/EntityDataServices.java b/src/main/java/gg/projecteden/parchment/entity/EntityDataServices.java
new file mode 100644
index 0000000000000000000000000000000000000000..30f8fd154136d05267e8737ff04a0be45b23a35d
--- /dev/null
+++ b/src/main/java/gg/projecteden/parchment/entity/EntityDataServices.java
@@ -0,0 +1,16 @@
+package gg.projecteden.parchment.entity;
+
+public class EntityDataServices {
+
+    private static boolean initialized;
+
+    public static void init() {
+        if (initialized) {
+            throw new RuntimeException("EntityData Services already initialized");
+        }
+        initialized = true;
+
+        // Initialize Services Here
+    }
+
+}
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index dd56c8e041116ef3602a9f89c998c8208ab89b51..9197be4019ddbe16e09c781a74809d15f569e0f3 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -287,6 +287,8 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
             return false;
         }
 
+        gg.projecteden.parchment.entity.EntityDataServices.init();
+
         // CraftBukkit start
         // this.setPlayerList(new DedicatedPlayerList(this, this.registries(), this.playerDataStorage)); // Spigot - moved up
         this.server.loadPlugins();
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 1f7594e22f0f08ae110ef9b42f15119358aa5723..577a6cc50cf41dc3e590edb955a372c4c2a83fe2 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -169,6 +169,31 @@ import org.bukkit.plugin.PluginManager;
 
 public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess, CommandSource, ScoreHolder, ca.spottedleaf.moonrise.patches.chunk_system.entity.ChunkSystemEntity, ca.spottedleaf.moonrise.patches.entity_tracker.EntityTrackerEntity { // Paper - rewrite chunk system // Paper - optimise entity tracker
 
+    @javax.annotation.Nullable
+    private gg.projecteden.parchment.entity.EntityData storedEntityData;
+
+    /**
+     * Retrieves the stored EntityData for this entity
+     * @return The currently stored EntityData
+     */
+    public gg.projecteden.parchment.entity.EntityData getStoredEntityData() {
+        if (this.storedEntityData == null) {
+            this.storedEntityData = gg.projecteden.parchment.entity.EntityData.create(this.getBukkitEntity());
+        }
+        return this.storedEntityData;
+    }
+
+    /**
+     * Clears the currently stored EntityData for this entity
+     * @return the previously stored EntityData
+     */
+    public @javax.annotation.Nullable gg.projecteden.parchment.entity.EntityData clearStoredEntityData() {
+        gg.projecteden.parchment.entity.EntityData data = this.storedEntityData;
+        this.storedEntityData = null;
+
+        return data;
+    }
+
     // CraftBukkit start
     private static final int CURRENT_LEVEL = 2;
     public boolean preserveMotion = true; // Paper - Fix Entity Teleportation and cancel velocity if teleported; keep initial motion on first setPositionRotation
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 2cde808bfa797256409879505ba205a71f381981..1bde22a5ec330980ee697830cb2c6a7441394722 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -80,6 +80,10 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
     };
     // Paper end - Folia schedulers
 
+    public gg.projecteden.parchment.entity.EntityData getStoredEntityData() {
+        return this.entity.getStoredEntityData();
+    }
+
     public CraftEntity(final CraftServer server, final Entity entity) {
         this.server = server;
         this.entity = entity;