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d3dmap

Standalone dmap tool from Doom 3


dmap is the map compiler from Doom 3 and all the other id tech 4 games. The id tech 4 map format was unsuitable for indie games because the map compiler is integrated into the engine. In other words, you need Doom 3 to compile maps.

This repository contains the extracted source code from the original Doom 3 source code. It does not include AAS support, but is otherwise fully functional.

Compiling

Open neo/doom3.sln in Visual Studio 2010, select your favourite configuration (probably Dedicated Release) and press F6.

Linux users are out of luck for now, but I might port the project to CMake in the future. If you don't wan't to wait that long, feel free to send me a pull request. I think I removed all platform dependent stuff (apart from Sys_ListFiles in neo/dmap/main.cpp. Maybe use Boost::FileSystem instead?).

Usage

d3dmap expects a somewhat Doom 3-like asset structure in the working directory. This is an example directory structure for compiling the map foo.map:

maps
|
+- foo.map

materials
|
+- something.mtr

something.mtr must contain a material called _tracemodel, or the compiler will fail. Of course, the file does not need to be called something.mtr. The important thing is that the _tracemodel material exists. This should be the definition of the material:

_tracemodel {
	collision
}

To compile the map, execute the following command in the working directory: d3dmap foo

Calling the executable without parameters displays this help text:

Usage:	d3dmap [options] filename

Options: --light-carve: Split polygons along light volume edges
         --no-carve: Doesn't cut any surfaces as if they had the noFragment global keyword
         --no-clip-sides: Doesn't clip overlapping solid brushes
         --no-cm: Do not create collission map
         --no-flood: Skips the flooding of the map allowing it to have leaks
         --no-opt: Doesn't merge/remove redundant polygons
         --no-t-junc: Doesn't create T-Junctions. Forces --no-opt
         -v, --verbose: Shows additional infromation while compiling
         --verbose-entities: Shows additional information on entities like removal of degenerate polygons
         --shadow-opt <n>: Sets the static shadow computation optimization type:
             0: No optimization
             1: SO_MERGE_SURFACES (default)
             2: SO_CLIP_OCCLUDED
             3: SO_CLIP_OCCLUDERS
             4: SO_CLIP_SILS
             5: SO_SIL_OPTIMIZE

No AAS support in this executable.
Extracted from the Doom 3 sourcecode, licensed under the GNU GPL v3.
See <https://github.com/TTimo/doom3.gpl/blob/master/COPYING.txt>
Information for this help text was taken from modwiki.net.
See <http://modwiki.net/wiki/Dmap_(console_command)>.

Note: Not all options have been tested.

Todo

  • Switch to CMake for platform independence.
  • Delete the files that are not needed. Currently they are only excluded from the project.

License

See COPYING.txt from the Doom 3 source tree.

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Doom 3 standalone dmap tool

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