Clickteam Fusion 2.5 Demo Recording File

What is a `.mfd` file?

A .mfd is the file format used for Clickteam Fusion 2.5 demo recordings. It stores inputs and commands to be replayed in-game.

Note

This file structure is only accurate to the latest version of Clickteam Fusion 2.5, .mfd files from older versions may have differences.

File Structure

Size	Type	Name	Description
2	UInt16	Graine	The RNG seed stored in the runtime's RunHeader3
...	Command[]	Commands	A list of recorded commands, the end is indicated by a command with a type of Last (0)

Command Structure

Size	Type	Name	Description
1	ECommandType	Command Type	The type of the command
...	CommandData	Command Data	The data for the specified command type

ECommandType Definitions

Value	Command Type	Description
0	Last	Indicates that this command is the final command in the list
1	Wait	When this command is hit, it will wait 1 frame before executing the next command
2	Key Down	Sets the specified keycode (including mouse buttons) as being down
3	Key Up	Sets the specified keycode (including mouse buttons) as being up
4	Player	Sets the current player, of which the following commands are being ran under, to the specified player id
5	Mouse Position	Sets the current (client) mouse position to the specified values
6	Mouse Command	Runs a command specific to the mouse when a specific click event is ran

Command Data Structures

Last / Wait

These command types do not have data following the type.

Key Down / Key Up

Size	Type	Name	Description
1	UInt8 or Virtual-Key Code	Keycode	The specified keycode used to set the state

Player

Size	Type	Name	Description
4	UInt32	Player ID	The new player's ID

Mouse Position

This structure is stored in Big Endian, as opposed to the Little Endian of everything else.
The mouse position is relative to the window, not the frame position. (RunHeader2.MouseClient)

Size	Type	Name	Description
2	UInt16	Mouse X	The X position of the mouse cursor
2	UInt16	Mouse Y	The Y position of the mouse cursor

Mouse Command

Size	Type	Name	Description
1	EMouseCommandType	Command Type	The type of the mouse command

EMouseCommandType Definitions

Value	Command Type
1	Left Click
3	Left Double-Click
4	Right Click
6	Right Double-Click
7	Middle Click
9	Middle Double-Click