[1.7 AFFECTING LIVE] Many entity model problems in Alien Worlds Texture Pack

Verification builds:

Ver. 1.7.2, Build 1117901

Summary:

Many models in the Alien Worlds Texture Pack are displaying incorrectly. Mobs which appear broken include: Chicken, Sheep, Ocelot, Rabbit, Llama, Horse, Pufferfish, Dolphin, Creeper, Spider, Cave Spider, Drowned, and Ghast.

Impact:

Mobs look wrong

Repro Steps:

1. **Download Alien Worlds Texture Pack
2. Spawn in the mobs mentioned above

Observed Results:

• Chicken has an extra element on the head
• Sheep has head moved inward inside body
• Ocelot renders the default tail
• Rabbit renders multiple default elements, such as feet, ears, etc.
• Llama renders default front legs
• Horse has a weird UV issue on the tail
• Pufferfish has a UV issue on the spines
• Adult dolphins appear smaller
• Creeper has an extra element on the head
• Spider and Cave Spider appear smaller and are raised off the ground
• Drowned UV is completely messed up
• Ghast renders default elements (tentacle things)

Expected Results:

Mobs should display properly with no extra geometry

Screenshots/Videos attached: 

Yes, see video: *https://www.youtube.com/watch?v=22aRIJJKvBk*

Regression Build

1.6.0.8

Notes: 

There is a youtube link attached showing the various problems!