feat: add ZstdCompressor to write/read almost compressed data

src/main/java/me/luizotavio/compressor/ZstdCompressor.java

@@ -0,0 +1,61 @@
+package me.luizotavio.compressor;
+
+import com.github.luben.zstd.Zstd;
+import net.minecraft.nbt.CompressedStreamTools;
+import net.minecraft.nbt.NBTSizeTracker;
+import net.minecraft.nbt.NBTTagCompound;
+
+import java.io.*;
+
+public class ZstdCompressor {
+
+    public static byte[] readCompressed(DataInput inputStream) throws IOException {
+        int compressedLength = inputStream.readInt();
+        int uncompressedLength = inputStream.readInt();
+
+        if (compressedLength < 0 || uncompressedLength < 0) {
+            throw new IllegalArgumentException("Invalid length");
+        }
+
+        byte[] compressed = new byte[compressedLength];
+
+        inputStream.readFully(compressed);
+
+        return Zstd.decompress(compressed, uncompressedLength);
+    }
+
+    public static NBTTagCompound readCompressCompound(DataInput inputStream) throws IOException {
+        NBTTagCompound compound;
+
+        byte[] compressed = readCompressed(inputStream);
+
+        try (DataInputStream dataInputStream = new DataInputStream(new ByteArrayInputStream(compressed))) {
+            compound = CompressedStreamTools.func_152456_a(dataInputStream, NBTSizeTracker.field_152451_a);
+        }
+
+        return compound;
+    }
+
+    public static byte[] writeCompound(NBTTagCompound compound) throws IOException {
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream(),
+            copy = new ByteArrayOutputStream();
+
+        try (DataOutputStream dataOutputStream = new DataOutputStream(outputStream)) {
+            CompressedStreamTools.write(compound, dataOutputStream);
+        }
+
+        byte[] uncompressed = outputStream.toByteArray();
+
+        byte[] compress = Zstd.compress(uncompressed);
+
+        try (DataOutputStream dataOutputStream = new DataOutputStream(copy)) {
+            dataOutputStream.writeInt(compress.length);
+            dataOutputStream.writeInt(uncompressed.length);
+
+            dataOutputStream.write(compress);
+
+            return copy.toByteArray();
+        }
+    }
+
+}