The compression tag has no wiki summary.
16
votes
1answer
1k views
What are the pros and cons of these voxel data file formats?
.VXL
.VOX
.KVX
.KV6
.V3A
.V3B
I am trying to decide whether it's worth going with any of the above, or some other, or if I should roll my own. The deciding factors in order of importance are:
...
15
votes
7answers
2k views
'Binary XML' for game data?
I'm working on a level editing tool that saves its data as XML.
This is ideal during development, as it's painless to make small changes to the data format, and it works nicely with tree-like data.
...
11
votes
3answers
622 views
How on earth do you get decent color out of 2BPP?
I've been looking into PowerVR textures, and have run into several textures that are apparently 2 bits per-pixel. This, frankly, boggles my mind. How does one get even half way decent color ...
9
votes
2answers
283 views
Compressing game save data
I'm writing a game that needs to save a lot of detailed data (exact trajectories of some entities) to an external file. I want to save drive space and bandwidth by compressing it, but I've never done ...
8
votes
3answers
545 views
What is the state of the art at shipping game graphics such as lots of small BMP files?
We have lots of small BMP files which I think would be easier to copy if we had them combined in a big TAR/ZIP/whatever.
What is the state of the art at shipping game graphics?
We are using C# and ...
4
votes
1answer
567 views
Ogre3D : seeking advices about game files management
I'm working on a new game, and its related level editor, based on Ogre3D.
I was thinking about how i could manage the game files, knowing that Ogre use .mesh files for models, .material for ...
3
votes
4answers
319 views
Sanity checks vs file sizes
In your game assets do you make room for explicit sanity checks, or do you have some generally expected bounds which you assert?
I've been thinking about how we compress data and thought that it's ...
2
votes
2answers
835 views
Best practice for image compression
Which is the best format or best technique to compress images without loss of quality for iPhone/iPad games?
2
votes
4answers
1k views
Is there a command line ATI texture compression tool?
Is there a command line tool that can convert PNG and JPG files to ATITC compressed textures?
I have my own export pipeline that converts all textures to PVRTC, ATITC, and DXT, so I have no use for a ...
2
votes
2answers
703 views
State of the art in image compression?
I'm looking for good algorithms for compressing textures offline (ie decompressing them at install or load time, I know about using DXT/3DC to save runtime video memory, but these create awful visual ...
2
votes
2answers
183 views
How to pack the game files into one without using any file compressor?
Well, one example is this file of the game The Sims 2 for PS2: quickdat.arc.
The file contains this .arc extension, but it's no one an archive file and it contains some data of the game inside. How ...
2
votes
2answers
493 views
Optimal Compression for Speech
I'm designing a game that depends heavily on audio; I will have some 300+ speech files (most of them just a word or two long). This can very quickly escalate the size of my final game.
What's the ...
2
votes
1answer
568 views
Does swf provide better compress rate than zlib for png image?
Somebody told me that when a png image is stored in swf, it's separated to several layer, hence the alpha channel can be compressed better. Is it true? Or, once png image is imported into a swf, it's ...
2
votes
1answer
310 views
Distortion of color space in UDK (material editor)
Question
Using UDK's material editor, I wish to use a texture as a two-dimensional array of values for mathematical computations (basically, the color components of each pixel in the texture alter ...
1
vote
2answers
504 views
Compress / make Blender .obj file smaller
I have been learning the basics of blender for the best part of the day, and I still cannot figure out how to make models(imported) smaller in file size(where their original file size is 2MB+).
The ...
