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Posable Alien Walker [TF2 Invasion Update]

No one has seen them walk before, in spite of their name. Now we are sure that they can walk! And one of our scientists, Plastikhuehchen, calls one of them Bob.
They have a habit of exploding if you so much as throw a stick at them. We have also noticed that they tend to teleport at random times, usually into people's plates of food or under sentries, causing severe damage to the structures.
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RIG right here: https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=538284630

These are posable versions we made of the model made by The Ronin.
Thanks to:
Strashniy Velikhan for extracting them from the Probed map, IK rig contribution and bug finding
Episoder for IK rig contribution and suggested changes to the armature.
UEAK Crash for making the Probed map and Ronin for making the model of the Alien Walker from that map.
64GIGS.exe, EmperorFaiz, Plastikhuehchen and alijons for testing.
The Ninja Scout for suggesting bone hierarchy.
Pte Jack for his animation groups setup guide and for the Eye_and_Rim rotation suggestion.
[N-cognito] for explaining the fix for the missing sharp edges.
Zappy for showing me the guide to animate colors.
turk645 (from facepunch forums) for making the color-animating guide.

Theater map by Skeleman Jenkins. https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=247973868&searchtext=theater
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> What can this thing do?
Aside from crawling around like a mechanical spider, it glows in the dark, has 2 skins for lights on / off, 2 bodygroups for normal head hemispheres and hollow ones, and it can be split into different parts. It now has a rig too and a second, closer to the original version of the model.
It also can change glow, color and specular for the glowing parts. See the Rave Update thread for details.

> Taking It Apart
You may notice that some bones are parented to the ones before them. To only move the parent bone without the other ones following, click the checkbox next to the bones that are influenced by that bone. This will lock them to the world and allow you to move them anywhere you want without influence.
Example: If you only want to move the Front.Leg part but do not want to move the Front.Claw and Bolt1 with it, click the checkbox next to Front.Claw and Bolt1.

> Easier Bone Sorting
To easier turn off the bolts and leg trunks by clicking the white arrow next to them, you can add animation groups to your SFM. The Alien Walker's skeleton should end up looking like this: http://imgur.com/TSCHcIe
How to turn the confusing bones off for easier viewport selection: http://imgur.com/s7CUr3i

How to add animation groups to SFM: Find sfm_defaultanimationgroups.txt in your SourceFilmmaker\game\platform\cfg folder.
Make a backup of the sfm_defaultanimationgroups.txt before doing this!

Copy this code above the last } at the end of that txt file and save it, then start or restart SFM:

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For those who have lost animations / sessions due to the recent updates, here is the old model. https://copy.com/x8Sh3wFxa4K4NPyD
Click the Download on top right, then extract the 2 folders from the zip to your usermod folder. This should fix the corrupted animation / session. The old model cannot use the IK rig though so it's up to you whether you want to redo your animation with the updated stuff or not.
Remember to check the forum below for update news.
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Includes:
props_invader\posable_alien_walker_original.mdl
props_invader\posable_alien_walker.mdl