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  • WDT, ADT, WMO, WDL and Legion+ M2 files follow a chunked structure similar to RIFF, consisting of chunks of the following format:
struct IffChunk
  uint32_t token; // or "magic" or "identifier"
  uint32_t size;
  uint8_t data[size];
  • The initial chunk in most of these files is an MVER chunk, specifying the version of the files in a 32-bit integer.
  • All files use Intel (little-endian) byte order.