Garry's Mod Addon - Revision history

Hamhock666: made the format look prettier

2016-09-27T19:21:40Z

made the format look prettier

Hamhock666 at 23:50, 14 July 2016

2016-07-14T23:50:51Z

Hamhock666: Created page with "{{FormatInfo |formattype=electronic |subcat=Game data files |extensions={{ext|gma}} |released=2010 }} Garry's Mod Addon files are used in the PC game Garry's Mod for storing ..."

2016-07-14T22:32:36Z

Created page with "{{FormatInfo |formattype=electronic |subcat=Game data files |extensions={{ext|gma}} |released=2010 }} Garry's Mod Addon files are used in the PC game Garry's Mod for storing ..."

New page

{{FormatInfo
|formattype=electronic
|subcat=Game data files
|extensions={{ext|gma}}
|released=2010
}}

Garry's Mod Addon files are used in the PC game Garry's Mod for storing downloadable game content. They store game files in a hierarchy of folders, so gma files can be create from a folder, or extracted into a hierarchy of folders.

==Format==
:char[4] ident
:uint8 version
:uint64 steam_id (unused)
:uint64 timestamp
:uint8 zero (0)
:char addon_name (null terminated string of variable size)
:char addon_description (null terminated string of variable size)
:char addon_author (null terminated string of variable size) ("Author Name")
:uint32 addon_version

:'''struct file_table'''
::uint32 file_number
::char file_path (null terminated string of variable size)
::uint64 file_size
::uint32 file_crc

:uint32 zero (0)

:'''struct files'''
::byte file (file data based on information from the file table)

:uint32 addon_crc

==Links==
*[https://facepunch.com/showthread.php?t=1242185 How to create and extract gma files]
*[https://github.com/garrynewman/gmad Source code for gmad to create and extract gma files]

@@ Line 9: / Line 9: @@
 ==Format==
-:char[4] ident ("GMAD")
+<pre>
-:uint8 version
+char[4] ident ("GMAD")
-:uint64 steam_id (unused)
+uint8 version
-:uint64 timestamp
+uint64 steam_id (unused)
-:uint8 zero (0)
+uint64 timestamp
-:char addon_name (null terminated string of variable size)
+uint8 zero (0)
-:char addon_description (null terminated string of variable size)
+char addon_name (null terminated string of variable size)
-:char addon_author (null terminated string of variable size) ("Author Name")
+char addon_description (null terminated string of variable size)
-:uint32 addon_version
+char addon_author (null terminated string of variable size) ("Author Name")
-:'''struct file_table'''
+struct file_table[]
-::uint32 file_number
+  uint32 file_number
-::char file_path (null terminated string of variable size)
+  char file_path (null terminated string of variable size)
-::uint64 file_size
+  uint64 file_size
-::uint32 file_crc
+  uint32 file_crc
-:uint32 zero (0)
+uint32 zero (0)
-:'''struct files'''
+struct files[]
-::byte file (file data based on information from the file table)
+  byte file (file data based on information from the file table)
-:uint32 addon_crc
+uint32 addon_crc
 ==Links==
 *[https://facepunch.com/showthread.php?t=1242185 How to create and extract gma files]
 *[https://github.com/garrynewman/gmad Source code for gmad to create and extract gma files]