Thanks:
Biggest possible thanks to bluee for his work on AdvSpec that helped me realise what was possible, and for his help with this one
Admirable (chief tester <3), CX, getawhale, Warhuryeah & Byte for ideas and feedback, and general encouraging noises from many others.

Oh yeah, it works together with the AdvSpec plugin fine, I've had no problems.

New Stuff added 22nd April 2014

Bugs Fixed (hopefully)
Fixed map proportions bug on some resolutions
Fixed health bar appearing in first person for the spectated player. This isn't perfect, it may flicker on briefly every now and then and sometimes causes very occasional flicker amongst other players health bars, but barely noticeable in my testing. I will continue to try to improve it.
Fixed some special characters not displaying properly in player names

Health bar width and height commands
spec_player_health_bar_width <1-x> - sets the maximum width of the health bar in pixels
spec_player_health_bar_height <1-x> - set the height of the health bar in pixels. Note that health bars are still scaled horizontally as they become more distant so making this very high can produce odd visual effects

Floating Text Commands
spec_player_show_text_background <1/0> - shows or hides a dark rectangle behind player overlay text
spec_player_text_border <1/0> - shows/hides a rectangular border around player overlay text
spec_player_text_shadow <1/0> - shows/hides a drop shadow on player overlay text to improve legibility in the absence of a background

New Stuff added 23rd April 2014

Filter effects by player class
This allows a spectator to only see the overlay effects on a specific class or set of classes. By default filtering is off and must be activated as well as have the individual class filters defined.

Activation Command: spec_player_use_class_filters <1/0>
1 or 0 turns the effects filter on or off respectively

Filter Command: spec_player_class_filter <1-9> <1/0>
The first parameter is the class, this follows the same class selection criteria as the player switcher: 3 = soldier, 5 = medic, 1 = scout, 2 = sniper, 4 = demo, 9 = engie, 7 = pyro, 8 = spy, 6 = heavy

The second parameter sets whether effects are shown for a player of the selected class or not. 0, which is the default, means they're not shown. 1 means they are shown.

New Stuff 26th April 2014
Show player stickies - renders a small team coloured circle where a sticky bomb is placed (also highlights rollers I think but they only last a few seconds).

Command spec_player_show_stickies <1/0>

Team Health Bars - shows configurable total team health bars. Requires activation then further configuration commands to show up properly.

Command: spec_player_team_health <1/0> - activates bar
spec_player_team_bar_format [r|b] [0-255] [0-255] [0-255] [t|b] [0-x] [l|r] [0-x] [0-x] [0-x]

[r|b] sets which team bar these settings apply to, r for red and b for blu
[0-255] for the next 3 parameters are the colour of the bar in RGB values
[t|b] is which side the vertical position will be measured from, t for top and b for bottom
[0-x] is how far from the selected side the top of the bar will appear
[l|r] is which side the horizontal position will be measured from, l for left and r for right
[0-x] is how far from the selected side the bar will appear
[0-x] width of bar
[0-x] height of bar

If the bar is positioned relative to the left side it's right side will move as health changes, if positioned relative to the right side it's left side will move (this makes sense when you see it). It only changes in a horizontal direction.

Layout examples:
Big and simple: http://www.mediafire.com/convkey/138f/zswq5dvauxtfw5qfg.jpg?size_id=7
Opposite sides: http://www.mediafire.com/convkey/e8c3/ohxmcsrvgr9xcl7fg.jpg?size_id=a
Centrally aligned: http://www.mediafire.com/convkey/e9e7/ljseb2we82sb7fjfg.jpg?size_id=a
Unobtrusive: http://www.mediafire.com/convkey/281b/7xu1djckvaz508yfg.jpg

Player Health Shown on Damage - a pair of commands to configure player health bars only appearing when they suffer damage (not including overheal decay). There's no way to filter out self-damage so you get them appearing on rollout and rocket jumps. This completely overrides normal health bar behaviour so has to be deactivated to get that back.

Command: spec_player_health_on_hit <1/0> - turns the effect on or off
spec_player_health_on_hit_decay <0-x> - how long the health bar fades in terms of RGB alpha channel values per game frame. Will accept fractional amount such as 0.5. Default is 1.

New Stuff - Added 27th April 2014
Show Medic Uber Info - shows the medic's medigun and charge percentage on floating text to the player's right. It looks like this: http://www.mediafire.com/convkey/fd85/yl605g0gaxd64p3fg.jpg?size_id=5

Command: spec_player_medic_info <1/0>

Show medic changed medigun type message - shows a message when a medic selects a different type of medigun. The colour and position can be customised to enhance visibility. This is bright green in the middle: http://www.mediafire.com/convkey/e0e5/9d3mkrevde2a89tfg.jpg?size_id=7

Commmand: spec_player_uber_change_alert <1/0>
spec_player_uber_change_alert_format <0-255> <0-255> <0-255> <0-x> <0-x>

The first 3 values are the RGB colour commponents, 4th is the left position and 5th is the vertical position. It defaults to white text top left.

New Stuff - May 23rd 2014
New Maps - turbine, upwards, steel, gravel pit

File names - included the version number in the file name so it's a bit clearer what you're downloading. Also moved the download location to webspace with no ads.

Choose fonts - allows you to choose fonts based on entries in the Fonts section of the clientscheme.res file in the hud.
Commands: spec_player_name_font <font name>
spec_player_health_numbers_font <font name>
spec_player_medic_info_font <font name>
spec_player_uber_change_alert_font <font name>

So if the font entry in clientscheme.res looks like this:

		"Regular19"
		{
			"1"
			{
				"name"		"AvenirLTStd-Medium"
				"tall"		"19"
				"additive"		"0"
				"antialias"	"1"
			}
		}

The result looks (slightly ridiculously) like this: http://www.mediafire.com/convkey/62b1/vehx7zm66smvvccfg.jpg?size_id=5

You can obviously choose a more sensible font, although this might suit the uber alert. If you use a font that doesn't exist in the clientscheme.res it may cause crashes or may just not appear. My mileage has varied.

Health bar customisation - outline and overheal colour are configurable by team
Commands: spec_player_health_overheal_color <r|b> <0-255> <0-255> <0-255> <0-x> <0-x>
spec_player_health_outline_color <r|b> <0-255> <0-255> <0-255>

Low health flash - makes the health bar or health text flash when a player's health goes below a configurable threshold between the health bar colour and a team configurable colour

Commands: spec_player_health_flash <1|0> - turns the effect on or off
spec_player_health_flash_speed <0-x> - interval in milliseconds between flashes, default 125
spec_player_health_flash_threshold <0-x> - the health threshold below which the health bar will flash. Default 50
spec_player_health_flash_color <r|b> <0-255> <0-255> <0-255> - the colour the health bar flashes to, configured for each team

Download links in original post updated

holy shit

yo. those health bars look awesome

next level shit

It's beautiful...

Awesome job! This is amazing!

Very well done

Very nice! Anyway of implementing Uber Percentages as an overlay for the medics?

Great to see this released, fantastic work man

open source?
I know you said the quality of the code needs improving, don't worry this happens to the best of us.
I for one would love to able to see the source code and mess around with it.

Amazing

Would it be possible to control this stuff? It looks great but it looks like during pushes it'd be too big and whatnot, and doesn't fit with the style of a lot of huds. Even if it's just the sourcecode being public, customizability is good.

For text elements the font used is the hud default, so that should fit in with a hud style wise but may not be an ideal size. The text size problem is the result of TF2 only resizing bitmap fonts (which no one uses) so there's no easy way to just change the size with distance from the camera.

It might be an idea to make a font selectable by users if they know the names of other fonts in their hud, I should probably take more of a look at it in general to see if I can extract more useful font information from the hud schema and make changes based on it available via the plugin. It's quite ime consuming to work with though as mistakes made when working with fonts tend to cause crashes.

this is fucking incredible

wow

is there a video with all these things in action?

You could do a lot with some binds to change the size of the minimap to fill the whole screen during stalemates and rollouts, would really give a better sense of perspective of what's going on.

Jon is the Jesus of TF2, he is leading us towards a new life of TF2.

Well, if you've got the time to do it then would it be possible to set the black box backgrounds to be a border, and change a whole bunch of variables like the height/width of the health bar or the offsets for each element to be editable?

I'll add it to the to-do list, it should be pretty simple to set up most of it.

This looks awesome. I don't know if anyone else would be interested, or if it's an easy thing to do, but I think it would be a neat feature if you had a team-wide healthbar for each side next to each other, so we can see the overall health of each team during fights. Not incredibly useful, but might still be a bit insightful.

Also please open source it, I've been slowly trying to pick up on C++ and Source stuff and it would be cool to see how you did this (plus then I could look into making the change myself :V).

thats pretty sweet, could easily become cluttered, but is a awesome feature.

This could be really useful if you have a laptop or another PC so you can run a second instance of TF2 next to the one you're casting with, zooming out above the map and disabling the fade so you always have an overview of the entire map and the players without cluttering what the spectators see.

And I'll just join in with the others requesting an open source, not just for learning from it, but maybe to port it to Linux, so I can use my laptop to try out the aforementioned method.

I just quickly capped this
http://www.mediafire.com/watch/b935ykt3119lhyx/output.mp4

It's got everything on at once which is not recommended but gives an idea of the info available. The map can be made much bigger, repositioned, etc. You can see the scout Bash escapes by the skin of his teeth at the end.

The host has compressed the shit out of it.

I'm not opposed to making it open but the code really needs sorting out beforehand. Seeing as there's interest I'll push it up the priority list of things to do.

Really well made, very impressed

Would it be possible to modify the name bars? Take the picture below for example: Hoosier's and Swanny's name bars are a lot longer than what they have to be. And with the health numbers there's extra space above the number which can be cut out. That's just an OCD thing from me, very insignificant issue.

Love the work you are doing! Setting very high standards~

http://puu.sh/8hA7S.jpg

Wow Jon, you've gone above and beyond what could have been expected from STVs, this has serious potential to further improve the production quality of casts. Great work!

EDIT: Also, does this break during pauses or is it like the medic charge bars?

It's a bug handling the special characters in their names. Can you provide a link to the stv demo?

PM sent. Cheers.

Haven't checked, but I imagine it will still work. The pause break is a bug in Valve's HUD code.