MREA (File Format): Difference between revisions

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The '''.MREA file format''' is used to define areas in Metroid Prime and Donkey Kong Country Returns. MREA files are broken up into many sections, and each section serves a specific purpose. However for the sake of brevity this article will only cover each revision of the MREA header.
The '''MREA format''' is a massive format used to define areas in the Metroid Prime trilogy and Donkey Kong Country Returns. MREA files are broken up into many sections, and each section serves a different purpose.


__TOC__
* [[MREA (Metroid Prime)]]
* [[MREA (Metroid Prime 2)]]
* [[MREA (Metroid Prime 3)]] (also used in DKCR)


==Universal Header==
Every MREA format has a version number, and each corresponds to the following games:
 
This header is shared between Metroid Prime and Donkey Kong Country, and is fairly straight forward.


{| class="wikitable"
{| class="wikitable"
!Offset
! Version
!Size
! Game
!Description
|-
|-
|0x0
| 0xC
|4
| Metroid Prime Kiosk Demo
|'''Magic Number''' 0xDEADBEEF
|-
|-
|0x4
| 0xF
|4
| Metroid Prime
|'''File Version''' See below
|-
|-
|0x8
| 0x15
|48
| Metroid Prime 2 Demo Disk
|'''Transformation Matrix''' The position of the area in world-space
|-
|-
|0x38
| 0x19
|4
| Metroid Prime 2: Echoes
|'''Mesh Count'''
|-
|-
|0x3C
| 0x1D
|4
| Metroid Prime 3 E3 prototype
|'''SCLY Count''' ''Note: Not in Metroid Prime 1''
|-
|-
|0x40
| 0x1E
|4
| Metroid Prime 3: Corruption
|'''Section Count'''
|-
|-
|0x44
| 0x20
|4
| Donkey Kong Country Returns
|'''Compress Block Count''' ''Note: Not in Metroid Prime 1''
|-
|0x48
|4
|'''Section Number Count (N)''' ''Note: Only in Metroid Prime 3 and Donkey Kong''
|-
|0x60
|(N*4)
|'''Section Sizes'''
|-
|colspan=3|End Of header
|}
|}
[[Category:File Formats]]
[[Category:Hub Articles]]

Latest revision as of 00:53, 6 May 2016

The MREA format is a massive format used to define areas in the Metroid Prime trilogy and Donkey Kong Country Returns. MREA files are broken up into many sections, and each section serves a different purpose.

Every MREA format has a version number, and each corresponds to the following games:

Version Game
0xC Metroid Prime Kiosk Demo
0xF Metroid Prime
0x15 Metroid Prime 2 Demo Disk
0x19 Metroid Prime 2: Echoes
0x1D Metroid Prime 3 E3 prototype
0x1E Metroid Prime 3: Corruption
0x20 Donkey Kong Country Returns