Tutorial - making and editing a demo

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Tutorial - making and editing a demo

Post by electric20v on Tue Oct 20, 2009 6:14 am

Making a demo:

- once in a match in the console type 'record [name]'
e.g. record game1

This will start to record where every thing and goes and places the info into a .DEM file. If you want to just have it as a game play as you play as a charactor, if you want a shot of someone killing some one else go as a spectator (note: you need to be in the draw distance of the players or you will end up with a blank area as it only remembers whats in the draw distance, you cannot get a demo of your self as you are the camera.

- when you are happy with the duration of the demo type 'stop' into the console

This will stop recording the demo and will complete the .DEM file, if you do not stop the demo and the map changes it will record that too and will have the name [name]_2, [name]_3 etc. if you want it to do that then just leave it to record as for like a 20 second clip it only takes up about 0.6 - 1.5 MB (depends on how many players etc) this has ultimate quality as it's not a video file.

Editing a demo:

Editing a demo is easy but it's only easy when you know how, you will not believe how simple it is to remember, it's like riding a bike.

- open up your demo with the demo user interface with the console command 'demoui' and click on the load button to get to the browser with the .DEM files at the bottom or you could type 'playdemo [name]'
e.g. playdemo game1

- If you havn't already opened demoui open it as the demo loads, then press pause in the middle of the demoui.

- on the bottom right of the demoui there is a button 'smooth...' press that.

It will open a new window of the user interface, this is how we make camera keys and processing the camera movements.

- on the right of the smoother there is a button that says 'reload' clcik on that.

this will allow you to make changes to the demo using the smoother user interface, if you don't press it you cannot selected the ticks (ticks are the frames in the demo, it's the time line) You can check how many ticks there are in the demo by looking at the main demoui window, it will say 'ticks: [number / [number]' the first number is where it is now and the second is the ammount of ticks in the whole demo.

- on the top left of the smoother there are two empty boxes, one says 'start ticks' and the other says 'end ticks'

now it depends when you want to start the custom camera, could be 100 could be 1000 but you can always set it to 0 to get a camera from the start. and the end can be any but remember it's no seconds so if you wanna find the ticks use the main demoui window to play the demo to find the right tick.

- once you have the ticks in those boxes click on select next to it

this will now be where the cameras take effect.

- click on the buttom on the bottom left 'show process'

this will start the demo but you can pause it with the button below it and there are two buttons either side of it that will reverse and forward the demo you can use this to chose the time in the smooth camera version.

- on the main demoui window press 'drive'

this will allow you to control the camera but it is not he final path the camera takes.

- Press 'make key' on the smoother and keep hold of it

Then press w,a,s,d and the mouse to move the camera, this will be where the camera starts (note: it will make a smooth line from camera key to cmarea key so it won't go in a strait line in you move it on more then two axis.

- once your happy with the camera's possition press save key on the bottom right of the smoother

the camera is now locked in that possition but you can delete it by pressing the delete key that is where the make key was, if you chose to change it later use the - key above the make target. now you want to use the << and >> buttons near the resume/ pause button on the bottom left of the smoother to change the time of the next camera so the movement will have a duration.

- make a new key useing the 'make key' and hold it down again

- once you have enough keys press process -> and process spinal origans and spinal angles

this makes a smooth path for it to take, if you forget it will be a camera that ficks on then off, the process creates the path from key to key.

- press save on the smoother window on the right and click drive again

this stops the drive and will now be in the last place you put the camera. It will save the demo as [name]_smooth
e.g. game1_smooth.

if you have any problems post them on this post and i'll get back to you
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Re: Tutorial - making and editing a demo

Post by electric20v on Tue Oct 20, 2009 6:29 am

it's not a real problem about editing demos.


Last edited by electric20v on Thu Oct 22, 2009 10:07 pm; edited 2 times in total
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Re: Tutorial - making and editing a demo

Post by Jakko on Tue Oct 20, 2009 6:34 am

Question: Do recording demos drop your fps or is it constant, Im gonna make a ferw vids but im not sure weather to use fraps or some recorded demos
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Re: Tutorial - making and editing a demo

Post by electric20v on Tue Oct 20, 2009 6:38 am

it can cause it to slow for a fraction of a second as it creates a file but apart from that it doesn't effect fps to my knowlege it may slow it down 1 or 2 frames, it's not recording a video just where things are. You'll need to record it after using fraps or somthing
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Re: Tutorial - making and editing a demo

Post by electric20v on Tue Oct 20, 2009 6:40 am

commands that get rid of your playes weapon and HUD are:
- r_drawviewmodel 0
- cl_drawhud 0
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Re: Tutorial - making and editing a demo

Post by stio_naz on Tue Oct 20, 2009 4:46 pm

hmm ty james for telling us noobs how to record Smile. now ican bother u with many questions Wink I love you

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Re: Tutorial - making and editing a demo

Post by Kenny on Thu Jan 14, 2010 12:34 pm

Found this useful vid from YouTube


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