This article is for the SAVW format from Metroid Prime 1 and 2. See SAVW (File Format) for the other revisions of this format.
The SAVW format determines what data gets saved to the memory card. It's used to save information on non-hardcoded parts of the game.
Format
| Type
|
Count
|
Name
|
Notes
|
MP1
|
MP2
|
| u32
|
1
|
Magic
|
Always 0xC001D00D.
|
✔
|
✔
|
| u32
|
1
|
Version
|
See hub article for a list of possible version numbers.
|
✔
|
✔
|
| u32
|
1
|
Area Count
|
Number of areas contained in this world.
|
✔
|
✔
|
| u32
|
1
|
Cinematic Skip Count
|
Count of skippable cinematics.
|
✔
|
✔
|
| u32
|
Cinematic Skip Count
|
Cinematic Skip Instance IDs
|
Array of instance IDs listing every Cinematic Skip SpecialFunction instance (MP1)/Camera instance with cinematic skip enabled (MP2) in the world.
|
✔
|
✔
|
| u32
|
1
|
MemoryRelay Count
|
Count of MemoryRelay instances.
|
✔
|
✔
|
| u32
|
MemoryRelay Count
|
MemoryRelay Instance IDs
|
Array of instance IDs listing every MemoryRelay instance in the world.
|
✔
|
✔
|
| u32
|
1
|
Layer Toggle Count
|
Count of layers that can be toggled on/off from this world.
|
✔
|
✔
|
| Layer Toggle
|
1
|
Layer Toggle Array
|
Array specifying every layer that can be toggled on/off from this world (any layer referenced by a ScriptLayerController). The layers specified can be in other worlds.
|
✔
|
✔
|
| u32
|
1
|
Door Count
|
Count of DoorArea/Door instances.
|
✔
|
✔
|
| u32
|
Door Count
|
Door Instance IDs
|
Array of instance IDs listing every DoorArea/Door instance in the world.
|
✔
|
✔
|
| u32
|
1
|
Scannable Object Count
|
Count of scannable objects in the next array.
|
✔
|
✔
|
| Scannable Object
|
Scannable Object Count
|
Scannable Object Array
|
Array describing every scannable object in this world.
|
✔
|
✔
|
| u32
|
1
|
System State Env Var Count
|
Count of system state env vars modified from this world.
|
✖
|
✔
|
| Environment Variable
|
System State Env Var Count
|
System State Env Var Array
|
Array of env vars affecting the entire system. Mainly used for multiplayer music unlocks.
|
✖
|
✔
|
| u32
|
1
|
Game State Env Var Count
|
Count of game state env vars modified from this world.
|
✖
|
✔
|
| Environment Variable
|
Game State Env Var Count
|
Game State Env Var Array
|
Array of env vars affecting only this save slot. Mainly used to enable the Dark World map button.
|
✖
|
✔
|
| u32
|
1
|
Unmappable Object Count
|
Count of unmappable objects in the world.
|
✖
|
✔
|
| u32
|
Unmappable Object Count
|
Unmappable Object Instance IDs
|
Array of instance IDs listing every instance that can be removed from the map. Mainly used by Translator Door Location SpecialFunctions.
|
✖
|
✔
|
| End of file
|
Layer Toggle
| Type
|
Name
|
Notes
|
| u32
|
Area ID
|
Internal area ID (not the MREA ID).
|
| u32
|
Layer Index
|
Index of the layer that can be toggled.
|
| End of layer
|
Scannable Object
| Type
|
Name
|
Notes
|
| Asset ID
|
SCAN Asset ID
|
Asset ID of a SCAN file.
|
| u32
|
Logbook Category
|
Enum describing which logbook category this scan is part of. Always 0 in MP2. See below for possible values for MP1.
|
| End of scan
|
Possible logbook category values (MP1 only):
| ID
|
Category
|
| 0
|
Non-Logbook
|
| 1
|
Space Pirate Data
|
| 2
|
Chozo Lore
|
| 3
|
Creatures
|
| 4
|
Research
|
Environment Variable
| Type
|
Name
|
Notes
|
| string
|
Variable Name
|
Name of the environment variable as a zero-terminated string.
|
| u32
|
Unknown
|
Always 0?
|
| u32
|
Unknown
|
Always 1?
|
| u32
|
Unknown
|
Always 0?
|
| End of environment variable
|