MREA (File Format): Difference between revisions
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__TOC__ | __TOC__ | ||
=Universal Header= | |||
This header is shared between Metroid Prime and Donkey Kong Country, and is fairly straight forward. | This header is shared between Metroid Prime and Donkey Kong Country, and is fairly straight forward. | ||
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|} | |} | ||
=Metroid Prime 3 & Donkey Kong Header= | |||
Metroid Prime 3 and Donkey Kong Country Returns share the same header, also Metroid Prime 2 contains the Compressed Block Count present in this header as well. | |||
{| class="wikitable" | |||
!Offset | |||
!Size | |||
!Description | |||
|- | |||
|0x0 | |||
|4 | |||
|'''Compressed Block Count''' ''Note: Present in Metroid Prime 2'' | |||
|0x4 | |||
|'''Section Number Count''' ''Note: see below'' | |||
|} | |||
= | =Section Numbers= | ||
Immediately following the header each section in an MREA is given it's own number, the following is the order in which they appear: | ===Metroid Prime 1 and 2=== | ||
In metroid Prime 1 and 2 Immediately following the header each section in an MREA is given it's own number, the following is the order in which they appear: | |||
{|class="wikitable" | {|class="wikitable" | ||
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|} | |} | ||
==Metroid Prime 3 | ===Metroid Prime 3 and Donkey Kong Country Returns=== | ||
Metroid Prime 3 and Donkey Kong Country Returns | Metroid Prime 3 and Donkey Kong Country Returns does it differently, and it is also preceded by the compressed blocks, each section is designated in the following: | ||
<code>let N=Section Number Count</code> | |||
{| class="wikitable" | {| class="wikitable" | ||
! | !Type | ||
! | !Description | ||
|- | |||
|FourCC | |||
|Section type | |||
|- | |||
|Long | |||
|Section Number | |||
|} | |||
Repeat <code>N</code> times, one for each section, and the sections sections are associated with the following FourCC values: | |||
{|class="wikitable" | |||
!FourCC | |||
!Description | !Description | ||
|- | |- | ||
| | |AABB | ||
| | |Axis Aligned Bounding Boxes | ||
| | |- | ||
| | |APTL | ||
| | |{{unknown|Unknown}} | ||
|- | |||
|COLI | |||
|Collision | |||
|- | |||
|DEPS | |||
|Dependencies | |||
|- | |||
|EGMC | |||
|{{unknown|Unknown} | |||
|- | |||
|GPUD | |||
|Submesh data, e.g, vertices, normals, etc. | |||
|- | |||
|LITE | |||
|Lights | |||
|- | |||
|LLTE | |||
|{{unknown|Unknown}} | |||
|- | |||
|PFL2 | |||
|Path file | |||
|- | |||
|PVS! | |||
|Area vis octree, used for culling unseen geometry | |||
|- | |||
|ROCT | |||
|{{unknown|Unknown}} | |||
|- | |||
|RSOS | |||
|Revolution Shared Objects | |||
|- | |||
|SOBJ | |||
|SCLY Layer data, there can be multiple copies, but only the first is indicated. | |||
|- | |||
|SGEN | |||
|{{unknown|Unknown}} | |||
|- | |||
|WOBJ | |||
|Mesh Header, always 0 and there are usually two. | |||
|} | |} | ||