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1
vote
1answer
29 views

texconv produces texture with same size using BC1 or BC4

According to msdn, the BC1 block compression format is for images with 3 color channels and 1 bit alpha channel and the BC4 is for images with 1 color channel and no alpha. Using the same RGBA input ...
0
votes
4answers
215 views

Why use compression such as zlib? [closed]

Compression and encryption are different things AFAIK, so why even use compression if you have to still decompress anyway, is this just to reduce distribution size or is there some other reason?
2
votes
2answers
104 views

(XNA) Possible to hide, compress, or rename .XNB files?

I'm fairly new to XNA (only a week into C# and XNA at this point) but I have been developing games for a while now, and the program I used did not require any/many external files in creating an ...
13
votes
4answers
2k views

Avoid double compression of resources

I am using .pngs for my textures and am using a virtual file system in a .zip file for my game project. This means my textures are compressed and decompressed twice. What are the solutions to this ...
2
votes
2answers
1k views

How can I reduce Unity's package size?

I've been experimenting with Unity3D 4.3's 2D features. I've created a simple prototype game to learn how Unity works, how to create sprite animations, collisions and all the basic things. My ...
-5
votes
2answers
174 views

Why is music compressed with lossy codecs down to low bitrates in modern games?

I wonder why anyone would compress the soundtrack of a game with lossy codecs (mp3 mainly) down to 128 kbps bitrate. Thing is I see it on most of the games. Rarely a game has 320 kbps soundtrack, let ...
1
vote
3answers
640 views

Confused about DXT/DDS compression and color depth

I have done my research on DDS/DXT compression, and the information is kind of "everywhere." It is rather difficult to even find good, organized, sensible information on color depth. However, it is ...
2
votes
2answers
463 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 ...
-1
votes
2answers
207 views

lz4 archive with encryption [duplicate]

I want to make a game data archive that contains all the game assets, now I could use zlib or lz4 to just make a simple zip archive type thing, but I need a bit more security, does anyone have any ...
1
vote
1answer
125 views

Does iOS support BC4 compressed texture?

I've been designing a new OpenGL image algorithm using BC4 textures at its core. It works well accross Windows and Mac, my main targets up to now. But today, the customer added a new requirement : it ...
0
votes
1answer
664 views

Using compressed(ETC1) textures in LibGDX

I use standard android tool for compressing PNG texture and archiving it with gzip: /android-sdks/tools/etc1tool texture.png --encodeNoHeader gzip texture.pkm Then I try to load it: FileHandle ...
1
vote
2answers
1k 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 ...
2
votes
1answer
546 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 ...
0
votes
1answer
285 views

Objects won't render when Texture Compression + Mipmapping is Enabled

[EDIT: FIXED - Calling setting texture max level fixed that] I'm optimizing my game and I've just implemented compressed (DXTn) texture loading in OpenGL. I've worked my way removing bugs but I can't ...
2
votes
2answers
1k 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?
8
votes
3answers
667 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 ...
17
votes
1answer
2k 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: ...
2
votes
2answers
968 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 ...
0
votes
3answers
286 views

Converting a Flash animation to Silverlight

I recently had an animated logo done in Flash for Deen Games. I need to display in all my Silverlight games. The problem is, the logo is about ~8 seconds long (205 frames); if I export all the images ...
0
votes
1answer
376 views

Game (X-Plane) boot/startup time / performance

I use X-Plane for my question but it also concerns probably every other flight-simulator or simulation game in general. When developing a plugin what bothers me most is the startup-time of the ...
3
votes
3answers
756 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 ...
9
votes
2answers
323 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 ...
3
votes
4answers
329 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 ...
11
votes
3answers
716 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 ...
2
votes
4answers
2k 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 ...
4
votes
1answer
686 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 ...
2
votes
1answer
606 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 ...
16
votes
7answers
3k 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. ...