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OBD:Raw and separate file formats: Difference between revisions

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linking to WP article on mipmaps
(rewrote Mac vs. Windows section; moved sections around for more logical order)
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===Skybox mipmaps===
===Skybox mipmaps===
Those gaps occur in every level after each of the 5 skybox textures. They're filled with zeroes. Their size matches that required to store MIP map generations of the preceding [[TXMP]] chunk.
Zero-filled gaps occur in every level after each of the 5 skybox textures. Their size matches that required to store [[wikipedia:Mipmap|mipmaps]] of the preceding texture.


===Orphaned chunks===
===Orphaned chunks===
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====OSBD====
====OSBD====
A few of those in level 0. Reauthored duplicates of existing OSAm/OSGr pairs: for every pair, there are (minor) changes either in the OSAm or in the OSGr.
A few of those in level 0. Re-authored duplicates of existing OSAm/OSGr pairs: for every pair, there are (minor) changes either in the OSAm or in the OSGr.


====SNDD====
====SNDD====
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===Texture compression===
===Texture compression===
Textures ([[TXMP]]s) can be stored with compression, and the amount of textures which are compressed in a given version ranges from "most" to "almost none". This leads to dramatic variations in size for the .raw (over 10% of the total amount of game content).
Textures can be stored with compression, and the amount of textures which are compressed in a given version ranges from "most" to "almost none". This leads to dramatic variations in size for the .raw (over 10% of the total amount of game content).


===Mac vs. Windows===
===Mac vs. Windows===