From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.World/OldChunkStorage.h | 57 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 Minecraft.World/OldChunkStorage.h

(limited to 'Minecraft.World/OldChunkStorage.h')

diff --git a/Minecraft.World/OldChunkStorage.h b/Minecraft.World/OldChunkStorage.h
new file mode 100644
index 00000000..a77b102c
--- /dev/null
+++ b/Minecraft.World/OldChunkStorage.h
@@ -0,0 +1,57 @@
+#pragma once
+#include "ChunkStorage.h"
+#include "LevelChunk.h"
+#include "File.h"
+#include "CompoundTag.h"
+#include "com.mojang.nbt.h"
+
+class Level;
+
+class OldChunkStorage : public ChunkStorage
+{
+private:
+	// 4J added so we can have separate storage arrays for different threads
+	class ThreadStorage
+	{
+	public:
+		byteArray blockData;
+		byteArray dataData;
+		byteArray skyLightData;
+		byteArray blockLightData;
+
+		ThreadStorage();
+		~ThreadStorage();
+	};
+	static DWORD tlsIdx;
+	static ThreadStorage *tlsDefault;
+public:
+	// Each new thread that needs to use Compression will need to call one of the following 2 functions, to either create its own
+	// local storage, or share the default storage already allocated by the main thread
+	static void CreateNewThreadStorage();
+	static void UseDefaultThreadStorage();
+	static void ReleaseThreadStorage();
+
+private:
+	File	dir;
+	bool	create;
+
+public:
+    OldChunkStorage(File dir, bool create);
+private:
+    File getFile(int x, int z);
+    LevelChunk *load(Level *level, int x, int z);
+
+public:
+    virtual void save(Level *level, LevelChunk *levelChunk);
+	
+	static bool saveEntities(LevelChunk *lc, Level *level, CompoundTag *tag); // 4J Added
+	static void save(LevelChunk *lc, Level *level, DataOutputStream *dos); // 4J Added
+    static void save(LevelChunk *lc, Level *level, CompoundTag *tag);
+	static void loadEntities(LevelChunk *lc, Level *level, CompoundTag *tag);
+    static LevelChunk *load(Level *level, CompoundTag *tag);
+	static LevelChunk *load(Level *level, DataInputStream *dis); // 4J Added
+
+    virtual void tick();
+    virtual void flush();
+    virtual void saveEntities(Level *level, LevelChunk *levelChunk);
+};
-- 
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