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Zombie Animation Improvements

Collection of improvements to zombie animations built from original sources.

This mod needs priority over other zombie mods including model replacements because they're incompatible otherwise

(this probably has the animation features implemented already.)

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• IK added to all movement and relevant animations. Correct timings and without foot sliding.
  
• Episodic animations included.
  
• Turning animations.
  (Still broken in code. Come on Valve, it's a single line fix)
  
• Improved animations for being on fire. Adjusted pose and added 360 degree movement.
  
• Timings adjusted where needed.
  
• Fixed animation transitions by adjusting pose and fixing blending.
  
• Subtle idle breathing layers added to Zombine and Fast Zombie.
  
• Re-implementation of unused animations for gameplay or viewing.
  
  
• Complete Zombine animation overhaul. Adjusted pose of all reused classic zombie animations to use the Zombine pose. Added 2 new fast attack animations. Flinch animations now blend on to the current animation where possible or use a corrected pose that blends smoother.
  
• Added 2 new unused Poison Zombie throw animations and quick throw "headcrab leap"
  
• Added unique unused animation for Poison Zombie throw warning rather than reusing an existing animation.
  
• "Fixed" headcrab rigging on Torso model.
  (really this is a workaround for the animations being incorrect)
  
• Fixed fast headcrab pose on all EP2 animations including Fast Zombie torso and vehicle animations.
  
• Fixed 360 degree movement for Fast Zombie walk.
  
• Added 360 degree movement to Zombie "walk4" sequence.
  
• 360 degree movement added to Torso model.
  (not possible without code changes)
  
• 360 degree movement added to Poison zombie.
  (Removed. I need to correct the animations for this manually, legs are broken right now.)

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I haven't bothered porting this to gmod just because I don't really see the point.

Currently, this mod has to override the zombie models entirely since the animation files are stored in the model itself for HL2 (except the Zombine for some reason.) I don't see the point in someone downloading the addon for gmod if it's not compatible with their custom models just so they end up with vanilla models & anims but with IK and some fixes.

I think it might be possible to make a LUA addon that would allow these animations to override a custom zombie model so you'd end up with the improvements dynamically on any model. If someone has the ability to patch that with LUA and include the Episodic leg flinch fix then all I ask for is credit.