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SCAN (Metroid Prime 2) (view source)

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''This article is for the SCAN format from Metroid Prime 2 and 3. For other revisions of this format, see [[SCAN (File Format)]].''
''This article is for the SCAN format from Metroid Prime 2 and 3. For other revisions of this format, see [[SCAN (File Format)]].''


The '''.SCAN file format''' describes SCAN POI data and has references to several resources. This variation of the format is completely different than its [[SCAN (Metroid Prime)|Metroid Prime]] counterpart.
The '''SCAN file format''' describes scannable objects. The format's been updated since Prime 1; the data is now embedded into a script object, using the [[Scriptable Layers (Metroid Prime 2)|scriptable layers]] format. There was also some additional data added to the format to set up the model that displays in the logbook.


{{research|3|Crack SNFO}}
{{research|minor|There's a couple remaining unknown parameters.}}


__TOC__
__TOC__


== Header ==
== Format ==
The header is rather simple and consists of the following:
 
{|class="wikitable"
The SCAN format sets up a small script layer that contains a single [[#ScannableObjectInfo|ScannableObjectInfo]] instance.
!Offset
 
!Size
=== Header ===
!Description
 
{| class="wikitable"
! Offset
! Size
! Description
|-
| 0x0
| 4
| '''Magic'''; always <code>SCAN</code>
|-
| 0x4
| 4
| {{unknown|Unknown; always 2}}
|-
| 0x8
| 1
| {{unknown|Unknown}}
|-
| 0x9
| 4
| '''Instance count'''; always 1
|}
 
=== ScannableObjectInfo ===
 
This section of the file embeds a ScannableObjectInfo script object.
 
{| class="wikitable"
! Offset
! Size
! Description
|-
| 0x0
| 4
| '''Object type'''; always <code>SNFO</code>
|-
| 0x4
| 2
| '''Instance size'''
|-
| 0x6
| 4
| '''Instance ID'''; always 0
|-
| 0xA
| 2
| '''Connection count'''; always 0
|-
| 0xC
| 4
| '''Base property ID'''; always 0xFFFFFFFF
|-
| 0x10
| 2
| '''Base property size'''
|-
| 0x12
| 2
| '''Property count'''; 0x14 for Prime 2, 0x16 for Prime 3
|}
 
==== Properties (Echoes) ====
 
These are all the properties a ScannableObjectInfo instance contains:
 
{| class="wikitable"
! ID
! Type
! Name
|-
| 0x2F5B6423
| [[STRG (Metroid Prime)|STRG]]
| Scan Text
|-
| 0xC308A322
| long
| Scan Speed (0 for fast, 1 for slow)
|-
| 0x7B714814
| bool
| Is Important? (0 for blue, 1 for red)
|-
| 0x1733B1EC
| bool
| Use Logbook Model After Scan?
|-
| 0x53336141
| [[CMDL (Metroid Prime)|CMDL]]
| {{unknown|Unknown}}
|-
| 0x3DE0BA64
| float
| Logbook Default X Rotation
|-
| 0x2ADD6628
| float
| Logbook Default Z Rotation
|-
| 0xD0C15066
| float
| Logbook Scale
|-
| 0xB7ADC418
| [[CMDL (Metroid Prime)|CMDL]]
| Logbook Model
|-
| 0x15694EE1
| [[AnimationParameters]]
| Logbook AnimSet
|-
| 0x58F9FE99
| [[AnimationParameters]]
| {{unknown|Unknown}}
|-
| 0x1C5B4A3A
| [[#Attachment|Attachment]]
| Attachment 1
|-
| 0x8728A0EE
| [[#Attachment|Attachment]]
| Attachment 2
|-
| 0xF1CD99D3
| [[#Attachment|Attachment]]
| Attachment 3
|-
| 0x6ABE7307
| [[#Attachment|Attachment]]
| Attachment 4
|-
|-
|0x0
| 0x1C07EBA9
|4
| [[#Attachment|Attachment]]
|'''Magic''' FourCC
| Attachment 5
|-
|-
|0x4
| 0x8774017D
|4
| [[#Attachment|Attachment]]
|'''Version''' Always 2, no matter what game
| Attachment 6
|-
|-
|0x8
| 0xF1913840
|1
| [[#Attachment|Attachment]]
|{{unknown|Boolean?}}
| Attachment 7
|-
|-
|0x9
| 0x6AE2D294
|4
| [[#Attachment|Attachment]]
|{{unknown|Unknown}}
| Attachment 8
|-
| 0x1CE2091C
| [[#Attachment|Attachment]]
| Attachment 9
|}
|}


== SNFO Chunk ==
==== Attachment ====
The SNFO header is simply a FourCC and the total length in bytes. Due to the fact that there is nothing in the header to determine which version of SCAN we're working with, we have to rely on the size of the SNFO chunk. If it's less than 0x0251 bytes, it's Metroid Prime 2. Otherwise it's Metroid Prime 3.
 
This struct is used to embed a resource that can be attached to the model in the logbook. The mesh can be either a [[CMDL (Metroid Prime)|model]] or an [[ANCS (File Format)|animset]].
 
{| class="wikitable"
! ID
! Type
! Name
|-
| 0x1F7921BC
| [[CMDL (Metroid Prime)|CMDL]]
| Attachment Model
|-
| 0xCDD202D1
| [[AnimationParameters]]
| Attachment AnimSet
|-
| 0x3EA2BED8
| string
| Target Bone Name
|}


Other than that, SNFO is entirely unknown.
=== Dependencies ===


== Dependency List ==
After the ScannableObjectInfo instance, there's a list of the scan's dependencies present. The list follows the same format as the [[DGRP (File Format)|DGRP]] format.
The dependency list follows the same format as [[DGRP (File Format)|DGRP]]


[[Category:File Formats]]
[[Category:File Formats]]
[[Category:Metroid Prime 2: Echoes]]
[[Category:Metroid Prime 2: Echoes]]
[[Category:Metroid Prime 3: Corruption]]
[[Category:Metroid Prime 3: Corruption]]
[[Category:Major research needed]]
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