fix: read dvpl files

packages/scripts/src/core/blitz/readDVPL.ts

@@ -1,60 +0,0 @@
-import { crc32 } from 'crc';
-import { decompressBlock } from 'lz4js';
-
-/**
- * Thanks Maddoxkkm! Modified heavily to be modern.
- * https://github.com/Maddoxkkm/dvpl_converter/
- */
-export function readDVPL(buffer: Buffer) {
-  const footerBuffer = buffer.subarray(buffer.length - 20, buffer.length);
-
-  if (
-    footerBuffer.toString('utf8', 16, 20) !== 'DVPL' ||
-    footerBuffer.length !== 20
-  ) {
-    throw new SyntaxError('Invalid DVPL footer');
-  }
-
-  const footerData = {
-    oSize: footerBuffer.readUInt32LE(0),
-    cSize: footerBuffer.readUInt32LE(4),
-    crc32: footerBuffer.readUInt32LE(8),
-    type: footerBuffer.readUInt32LE(12),
-  };
-  const targetBlock = buffer.subarray(0, buffer.length - 20);
-
-  if (targetBlock.length !== footerData.cSize) {
-    throw new RangeError('DVPL size mismatch');
-  }
-  if (crc32(targetBlock) !== footerData.crc32) {
-    throw new TypeError('DVPL CRC32 mismatch');
-  }
-
-  if (footerData.type === 0) {
-    if (!(footerData.oSize === footerData.cSize && footerData.type === 0)) {
-      throw new RangeError('DVPL type and size mismatch');
-    }
-
-    return targetBlock;
-  } else if (footerData.type === 1 || footerData.type === 2) {
-    const source = new Uint8Array(targetBlock);
-    const destination = new Uint8Array(footerData.oSize);
-    const decompressedSize = decompressBlock(
-      source,
-      destination,
-      0,
-      source.length,
-      0,
-    );
-    
-    if (decompressedSize !== footerData.oSize) {
-      throw new RangeError(
-        `Decompressed DVPL size mismatch (${decompressedSize} vs ${footerData.oSize})`,
-      );
-    }
-    
-    return Buffer.from(destination);
-  } else {
-    throw new SyntaxError('Unknown DVPL format');
-  }
-}