SparkIV

SparkIV

Current version:	0.5.4 Beta (!)
Developed by:	aru
Supported games:	GTA 4
Type:	archive editor
Website:	http://gtaivtools.googlecode.com/

SparkIV is an IMG and RPF archive file editor for GTA IV, created by aru. As of version 0.5.1 the software is open source, released under the GPL v3 license.

It includes viewers for several file formats commonly found inside the archives, such as textures (*.wtd), models (*.wdr) and model dictionaries (*.wdd), as well as a decompiler for the game's mission script (*.sco) files.

Feature History

Version 0.5.4

(released Jan 4, 2009)

• Fixed critical bug in texture size calculation for mipmaps
• Added support for 8bit grayscale (L8) textures
• Added support for "type 8" vertices in models

Version 0.5.3

(released Jan 3, 2009)

• Improved model loading, most models should display correctly now.
• Added support for 32bit ARGB textures
• Fixed a few texture file memory leaks
• Fixed bug in texture mapping in 3D preview
• Fixed bug in size calculation for thumbnail generation

Version 0.5.2

(released Dec 31, 2008)

• Support for editing textures embedded in model (*.wdr) and hypertext (*.whm) files
• Added View/Edit buttons. Default action is View now, so use the Edit button if you wish to edit textures.
• Fixed bug with texture encoding producing low quality mipmaps.
• Fixed bug with loading SparkIV.Config.xml file

Version 0.5.1

(released Dec 30, 2008)

• Support for Texture File editing with Import (replace only) functionality
• Support for viewing Texture mipmaps and viewing color channels separately
• Support for showing most of the filenames in Audio RPF (v3) files.
• Support for launching external registered editors based on extension
• Fixed some bugs with IMG file saving

Version 0.5.0

(released Dec 24, 2008)

• New "Browse" feature loads up GTA IV directory into view allowing easy access to open IMG/RPF files, as well as previewing resource files not in archives.
• Experimental support for saving RPF files (hasn't been extensively tested)
• Experimental support for previewing script (*.sco) files in a pseudo C-like decompiled form as well as a disassembled form
• Support for previewing XML and other text files
• Support for Model Dictionary (*.wdd) files preview
• Experimental support for texture mapping in model preview.
  (Will automatically load filename.wtd if present or display textures embedded in model -- mapping may not be accurate for all models!)
• Model meshes without textures will now show in a random color.
• Model preview has a tree control allowing to view submeshes.
• Model preview allows viewing model in wireframe mode (might be slow).
• Some minor bug fixes

Version 0.4.5

(released Dec 18, 2008)

• Texture (*.wtd) preview and support for exporting textures
• Experimental model (*.wdr) preview
• Double click/Press enter on a supported file to preview it.
• Fixed bug in resource file segment size calculation when importing data in Resoursaur.

Version 0.4.0

(released Dec 16, 2008)

• Opens version 2 and version 3 RPFs
• Opens version 3 IMGs (old style GTA3/VC/SA IMGs are not supported)
• Saves/Rebuilds IMGs (saving RPFs is currently not supported)
• Supports Import/Export of files
• Includes Resoursaur.exe which can extract segment data out of resource files (wtd/wdr/etc) for reverse-engineering purposes.

See also

•  GTAForums topic
• SparkIV project page @ Google Code (source code only)