Data Resource File

File Format
Name	Data Resource File
Ontology	Electronic File Formats Game data files Data Resource File
Extension(s)	.drs
Released	1997

Data Resource Files are used in the PC game Age of Empires and Age of Empires II for storing game files such as graphics and sound. It is an archive, so a drs file stores other files which then need to be interpreted in their own unique way.

Common files found archived in a drs file:

• Age of Empires Graphics File (.slp)
• WAV (.wav)

Format

char[36] copyright

uint32 version

char[16] unknown

uint32 number_of_groups

uint32 files_offset

struct groups number_of_groups

char[4] extension (reversed with an ASCII space character at the end)

uint32 table_offset

uint32 num_table_entries

struct entries num_table_entries

uint32 id

uint32 offset

uint32 size

• Files can then be read from the drs file and written to disk using the offset and size of the file given under each entry.

External links

• Xentax
• Tool and more documentation