Doomsday Manual

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====== DD_DIREC lump ======


//DD_DIREC// is a special lump recognised only by Doomsday. It contains a table that translates file paths to lump names. An example is shown below:

<code>FILE001  /Md2/jDoom/Some.md2
FILE002  Another.ded
</code>
Using DD_DIREC it is possible to include **any** files that Doomsday supports inside a WAD. For instance models and hires textures can be placed inside a WAD. There is one exception to that - Demos (which are compressed with the LZSS library) **must** always be loaded from real files.

Each line in DD_DIREC contains a lump/path pair. The paths that begin with a (back)slash are interpreted as paths that start from the Doomsday base directory (set with //-basedir//; e.g. **C:\Doomsday**) and paths that don't begin with a (back)slash are located in the [[runtime_directory]]. The engine will first search the DD_DIRECs before opening any file for reading.


===== Wadtool =====


Wadtool is a simple utility for automatically creating a WAD file that contains the current directory and all its subdirectories plus a DD_DIREC lump that has (with a high probability) a unique lump name for each file. You could invoke the utility like this:

<code>wadtool myfiles.wad /Data/jDoom/Textures/
</code>
This would create a WAD file that contains all the files from the current directory. When writing the DD_DIREC table, the prefix "/Data/jDoom/Textures/" would be added to each file name.

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