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	<updated>2026-05-06T14:20:46Z</updated>
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		<title>Atlas: Created page with &quot;{{under-construction}} &#039;&#039;&#039;EFD&#039;&#039;&#039; is a kind of excel_header filetype used in Mario Kart Arcade GP DX. It contains data related to effects and defines areas, used together with EFC files in order to define culling sections.  == Data Structure == The file contains may contain up to 8 entries.  {|class=wikitable |+ Structure Header (from excel_header) ! Offset !! Type !! Description |- | 0x10 || Byte || &#039;&#039;&#039;Number of #Effect Area|Ef...&quot;</title>
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		<updated>2025-07-06T01:53:57Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{under-construction}} &amp;#039;&amp;#039;&amp;#039;EFD&amp;#039;&amp;#039;&amp;#039; is a kind of &lt;a href=&quot;/index.php/Excel_header&quot; class=&quot;mw-redirect&quot; title=&quot;Excel header&quot;&gt;excel_header&lt;/a&gt; filetype used in &lt;a href=&quot;/index.php?title=Mario_Kart_Arcade_GP_DX&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Mario Kart Arcade GP DX (page does not exist)&quot;&gt;Mario Kart Arcade GP DX&lt;/a&gt;. It contains data related to effects and defines areas, used together with &lt;a href=&quot;/index.php/EFC&quot; class=&quot;mw-redirect&quot; title=&quot;EFC&quot;&gt;EFC&lt;/a&gt; files in order to define culling sections.  == Data Structure == The file contains may contain up to 8 entries.  {|class=wikitable |+ Structure Header (from &lt;a href=&quot;#excel_header/File_Header&quot;&gt;excel_header&lt;/a&gt;) ! Offset !! Type !! Description |- | 0x10 || Byte || &amp;#039;&amp;#039;&amp;#039;Number of #Effect Area|Ef...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{under-construction}}&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;EFD&amp;#039;&amp;#039;&amp;#039; is a kind of [[excel_header]] filetype used in [[Mario Kart Arcade GP DX]]. It contains data related to effects and defines areas, used together with [[EFC]] files in order to define culling sections.&lt;br /&gt;
&lt;br /&gt;
== Data Structure ==&lt;br /&gt;
The file contains may contain up to 8 entries.&lt;br /&gt;
&lt;br /&gt;
{|class=wikitable&lt;br /&gt;
|+ Structure Header (from [[#excel_header/File Header|excel_header]])&lt;br /&gt;
! Offset !! Type !! Description&lt;br /&gt;
|-&lt;br /&gt;
| 0x10 || Byte || &amp;#039;&amp;#039;&amp;#039;Number of [[#Effect Area|Effect Areas]]&amp;#039;&amp;#039;&amp;#039;.&lt;br /&gt;
|-&lt;br /&gt;
| 0x11 || Byte[7] || &amp;#039;&amp;#039;&amp;#039;Number of [[#Effect Data Entry|Effect Data Entries]]&amp;#039;&amp;#039;&amp;#039;.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
=== Effect Area ===&lt;br /&gt;
Each effect area is 0x18 bytes long and its index corresponds to the index of each culling area from the track&amp;#039;s [[EFC]] file.&lt;br /&gt;
&lt;br /&gt;
{|class=wikitable&lt;br /&gt;
! Offset !! Type !! Description&lt;br /&gt;
|-&lt;br /&gt;
| 0x00 || Int32[6] || {{Unknown-left|&amp;#039;&amp;#039;&amp;#039;Unknown&amp;#039;&amp;#039;&amp;#039;.}}&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
=== Effect Data Entry ===&lt;br /&gt;
Each entry is 0x54 bytes long.&lt;br /&gt;
&lt;br /&gt;
{|class=wikitable&lt;br /&gt;
! Offset !! Type !! Description&lt;br /&gt;
|-&lt;br /&gt;
| 0x00 || Float[19] || {{Unknown-left|&amp;#039;&amp;#039;&amp;#039;Unknown&amp;#039;&amp;#039;&amp;#039;.}}&lt;br /&gt;
|-&lt;br /&gt;
| 0x4C || Int32 || {{Unknown-left|&amp;#039;&amp;#039;&amp;#039;Unknown&amp;#039;&amp;#039;&amp;#039;.}}&lt;br /&gt;
|-&lt;br /&gt;
| 0x50 || Int32 || {{Unknown-left|&amp;#039;&amp;#039;&amp;#039;Unknown&amp;#039;&amp;#039;&amp;#039;.}}&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
= Tools =&lt;br /&gt;
The following tools can handle EFD files:&lt;br /&gt;
* (none)&lt;br /&gt;
&lt;br /&gt;
[[Category:Mario Kart Arcade GP DX File Formats]]&lt;/div&gt;</summary>
		<author><name>Atlas</name></author>
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