SlashBlade: Refabricated

Sync with Resharped-1.5.47

Fixed wrong setDeltaMovement caused by using incorrect gravity value in FallHandler, which caused that LivingEntity(include Player) who right-click slashblade in the air can rise up continuously.

修复了FallHandler中因使用错误的重力值导致的setDeltaMovement参数错误，使得在空中右键拔刀剑时能够螺旋升天的问题（。

• Compatible with PlayerAnimator in production environment
• Sync with Resharped-1.4.46

Temporarily disable support for PlayerAnimator, so that game won't crash when installed PlayerAnimator. #1

I don't know why everything is fine in dev environment while throwing BufferUnderflowException in production environment :).

Sync with Resharped-1.4.44