25 yari wall interactions (exploits/bugs/gimmicks)

This is to better help understand why some seemingly random things with yari walls happen like "Why did my unit stop moving?" or what causes zombie yaris to pop up.

Stored position - position stored by a move order. Useful for making units accelerate to the position.
Reset position - the position the unit goes to when attacking/halting. Useful for predicting if the unit will go into zombie state.

Reinstalled the game just to make this lol

00:00 - 1. Double click move
00:47 - 2. Stationary/move to file increase
02:06 - 3. Stationary/move to file increase (forests)
02:26 - 4. Feigning yari walls
02:42 - 5. Backspace spam
03:44 - 6. Engaging, centre not attacked
04:04 - 7. Engaging, centre attacked
04:34 - 8. Right click move to engage
05:10 - 9. Double click move to engage
05:30 - 10. Attack order when unit is stretched
05:55 - 11. Move order when unit is stretched
06:20 - 12. Double clicking attack when in forest
06:35 - 13. Climbing walls with yari walls
07:29 - 14. Being attacked when climbing with yari wall
07:55 - 15. Pressing backspace when climbing with yari wall
09:00 - 16. Guard mode
09:33 - 17. Move if unit is engaged and without attack order
10:47 - 18. Move if unit is engaged and with attack order
11:03 - 19. Formation intercepted by unit in melee
11:30 - 20. Yari walls and barricades
11:57 - 21. Being charged by fake yari wall
12:19 - 22. Creating a spaghetti line by squeezing into a wall
13:12 - 23. Disabling yari wall away from the wall while ordered to squeeze
13:28 - 24. Engaged while climbing with yari wall
14:36 - 25. Docking on ledge with yari wall on
15:46 - 26. Fixing that bug

wew there's actually 26

Missing interactions:
Yari wall with stored position after combat is over or unit is able to move.
Type: Annoying
It just means the unit accelerates after the combat is done like in interaction 16, as if they're given move order from interaction 17. Saying it's annoying since the unit accelerates whenever it feels like combat is over, with a significant delay and during that time backspace can't be used to halt the unit, moving is at least allowed.
Video of it in action -    • Ikko Ikki Total War Shogun 2 Legendar...  

Transition to yari wall
Type: Useful
The yari walls have literally zero frames nor stops to transition from idle/running/walking into yari walls. Makes it that much better to run with yari wall on and then walk before engaging with zero loss in speed and potential vulnerabilities.


Missing explanations:
Interaction 4: to guarantee the fake yari wall, double click attack and then backspace
Interaction 5: It's possible to just, at any point during combat, issue a move order and spam backspace whenever yari ash are wavering
Interaction 7: It may be possible to readjust the centre of the unit which could make it possible to move the unit but it seems it's only possible to move at an angle at the moment. Consistent setup to get the unit moving wherever should be developed
Interaction 10: this can be countered if the unit attacking is also wide which prevents the regrouping from happening
Video:    • Shogun 2 - Secret of Zombi Spearwall ...  
Interaction 11: It doesn't seem like the unit regroups when issued move orders.