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        <title>Doomsday Manual</title>
        <description></description>
        <link>https://manual.dengine.net/</link>
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       <dc:date>2026-04-22T03:05:38+00:00</dc:date>
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                <rdf:li rdf:resource="https://manual.dengine.net/ded/decoration?rev=1489647797&amp;do=diff"/>
                <rdf:li rdf:resource="https://manual.dengine.net/ded/reflection?rev=1489648410&amp;do=diff"/>
                <rdf:li rdf:resource="https://manual.dengine.net/ded/sector_type_syntax?rev=1489953807&amp;do=diff"/>
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        <title>Doomsday Manual</title>
        <link>https://manual.dengine.net/</link>
        <url>https://manual.dengine.net/lib/tpl/dengine/images/favicon.ico</url>
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    <item rdf:about="https://manual.dengine.net/ded/material_syntax?rev=1489957994&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-19T21:13:14+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:material_syntax</title>
        <link>https://manual.dengine.net/ded/material_syntax?rev=1489957994&amp;do=diff</link>
        <description>Material {
  ID = &quot;&quot;
  Width = 0.0
  Height = 0.0
  Flags = flag1 | flag2

  Layer {
    Stage {
      Texture = &quot;&quot;
      Offset { 0 0 }      
      Tics = 0
      Rnd = 0
      Glow = 0.0
      Glow Rnd = 0.0
    }
  }

  Light {
    Pattern offset { 0 0 }
    Pattern skip { 0 0 }  
    Stage {
      Offset { 0 0 }
      Distance = 0.0
      Tics = 0
      Rnd = 0.0
      Color { 0 0 0 }
      Levels { 0 0 }
      Radius = 0.0
      Bottom map = &quot;&quot;
      Side map = &quot;&quot;
      Top map = &quot;&quot;
      H…</description>
    </item>
    <item rdf:about="https://manual.dengine.net/ded/light?rev=1489648701&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-16T07:18:21+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:light</title>
        <link>https://manual.dengine.net/ded/light?rev=1489648701&amp;do=diff</link>
        <description>Light (DED)

A Light definition is used to attach a light and/or halo to a sprite's state. As most objects are made up of more than one state this enables us to have “animated” lights that pulse in colour, change size etc etc.

If you want to attach a light to a texture or flat please check the section on texture</description>
    </item>
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        <dc:format>text/html</dc:format>
        <dc:date>2020-11-12T15:22:59+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:map_info_syntax</title>
        <link>https://manual.dengine.net/ded/map_info_syntax?rev=1605194579&amp;do=diff</link>
        <description>Map Info {
  ID = &quot;&quot;;
  Name = &quot;&quot;;
  Author = &quot;&quot;;

  Flags = flag1 | flag2;
  Gravity = 1.0;
  Music = &quot;&quot;;
  Par time = 0.0;       # Seconds

  Ambient light = 0.0;  # 0...1

  Fog color R = 0.0;    # 0...1
  Fog color G = 0.0;    # 0...1
  Fog color B = 0.0;    # 0...1
  Fog density = 0.0;
  Fog start = 0.0;
  Fog end = 0.0;

  Sky = &quot;&quot;;
  Execute = &quot;&quot;;
  On setup = &quot;&quot;;  # Doomsday Script (since 2.3)

  # As of version 1.9.7, linking a Sky definition to the Map Info
  # is the preferred method …</description>
    </item>
    <item rdf:about="https://manual.dengine.net/ded/decoration?rev=1489647797&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-16T07:03:17+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:decoration</title>
        <link>https://manual.dengine.net/ded/decoration?rev=1489647797&amp;do=diff</link>
        <description>Decoration (DED)

Light decorations for surfaces.

You can define multiple Decorations for the same texture/flat, but only the
latest one that passes the conditions will be used. By default (if you
specify no usage flags), a Decoration is only used with resources loaded
from an IWAD.</description>
    </item>
    <item rdf:about="https://manual.dengine.net/ded/reflection?rev=1489648410&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-16T07:13:30+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:reflection</title>
        <link>https://manual.dengine.net/ded/reflection?rev=1489648410&amp;do=diff</link>
        <description>Reflection (DED)

Any surface (flats or walls) can be rendered with shiny surface properties. This allows for some very interesting tricks to be created such as specular “reflections”. You can use a mask with the shiny surfaces to mask out areas of shininess but a mask can be used to also increase the effect of shininess on areas of a texture. Reflection definitions support the use of any of the new blending mode flags such as add and subtract.</description>
    </item>
    <item rdf:about="https://manual.dengine.net/ded/sector_type_syntax?rev=1489953807&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-19T20:03:27+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:sector_type_syntax</title>
        <link>https://manual.dengine.net/ded/sector_type_syntax?rev=1489953807&amp;do=diff</link>
        <description>Sector Type {
  ID = 0
  Comment = &quot;&quot;
  Flags = flag1 | flag2
  Friction = 0.0
  Gravity = 0.0
  Act tag = 0

  Ambient sound = &quot;&quot;
  Ambient min interval = 0.0
  Ambient max interval = 0.0

  Wind angle = 0.0
  Wind speed = 0.0
  Vertical wind = 0.0

  Ceiling texmove angle = 0.0
  Ceiling texmove speed = 0.0
  Floor texmove angle = 0.0
  Floor texmove speed = 0.0

  Ceiling chain = 0
  Ceiling chain flags = flag1 | flag2
  Ceiling chain start time = 0.0
  Ceiling chain end time = 0.0
  Ceiling …</description>
    </item>
    <item rdf:about="https://manual.dengine.net/ded/flags_reference?rev=1490032866&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-20T18:01:06+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:flags_reference</title>
        <link>https://manual.dengine.net/ded/flags_reference?rev=1490032866&amp;do=diff</link>
        <description>DED flags reference

This page is a complete listing of all Doomsday flags usable in DED definitions.

Note that Doomsday Engine plugins (e.g., games) may contain additional flags defined for their own purposes, which are also accessible via DED. Consult the documentation of the plugin for further details.</description>
    </item>
    <item rdf:about="https://manual.dengine.net/ded/generator_syntax?rev=1489991657&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-20T06:34:17+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:generator_syntax</title>
        <link>https://manual.dengine.net/ded/generator_syntax?rev=1489991657&amp;do=diff</link>
        <description>[Copy] Generator {
  State = &quot;&quot;;
  Flat = &quot;&quot;;
  Mobj = &quot;&quot;;
  Alt Mobj = &quot;&quot;;
  Damage Mobj = &quot;&quot;;
  Map = &quot;&quot;;
  Flags = flaga | flagb | flagc;
  Speed = 0.0;
  Speed Rnd = 0.0;
  Vector { 0.0 0.0 0.0 }
  Vector Rnd { 0.0 0.0 0.0 }
  Init Vector Rnd = 0.0;
  Center { 0.0 0.0 0.0 }
  Submodel = -1;
  Spawn Radius = 0.0;
  Min Spawn Radius = 0.0;
  Distance = 0.0;
  Spawn Age = 0;
  Max Age = 0;
  Particles = 0;
  Spawn Rate { 0.0 0.0 0.0 }
  Spawn Rnd = 0.0;
  Presim = 0;
  Alt Start = 0;
  Alt Rnd …</description>
    </item>
    <item rdf:about="https://manual.dengine.net/ded/altering_and_copying_definitions?rev=1489429865&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-13T18:31:05+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:altering_and_copying_definitions</title>
        <link>https://manual.dengine.net/ded/altering_and_copying_definitions?rev=1489429865&amp;do=diff</link>
        <description>Altering and copying definitions

Copy

The definition should be based on the preceding definition. If this directive is used, all the properties of the previous definition are copied to this one. For the first definition in a file a “Copy” has no effect.</description>
    </item>
    <item rdf:about="https://manual.dengine.net/ded/sky?rev=1489954776&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2017-03-19T20:19:36+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>ded:sky</title>
        <link>https://manual.dengine.net/ded/sky?rev=1489954776&amp;do=diff</link>
        <description>Sky (DED, 1.9.7 →)

Syntax
&lt;Copy&gt; Sky
{
    ID = &quot;&quot;;
    Flags = flaga | flagb | flagc;
    Height = 0.666667;
    Horizon offset = 0.0;
    Light color { 1.0  1.0  1.0 };

    Layer 1/2
    {
        Flags = flaga | flagb | flagc;
        Texture = &quot;&quot;;
        Offset = 0.0;
        Color limit = 0.0;
    };

    Model
    {
        ID = &quot;&quot;;
        Layer = 0;
        Frame interval = 1.0;
        Color { 1.0 1.0 1.0 1.0 };
        Offset factor { 0.0 0.0 0.0 };
        Rotate { 0.0 0.0 };
     …</description>
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