For some reason an unmorphed player doesn't make animations in 1st person, basically, i was using the Paper Doll mod with this and noticed i was making hand animations in every mode except 1st person, not sure if this is a bug from your mod or not but i was making 1st person animations fine as other mobs, i also addressed the creator of that mod and he said it wasn't his mod's bug, also you should fix the "humanoid mob swings with there opposite hand" issue that's been going on for months, anyways the "mode" i was suggesting was that you activate an item, keybind, or option in the "options" bar setting (this is your choice on how you want it to be activated) where morphing into mobs doesn't get rid of your screen, this would allow for a more efficient way of quickly switching between mobs for purposes like PVP, PVE, Traversing, Building, getting out of sticky situations etc, pressing it again or changing the settings will switch you back to the normal, more casual mode. You don't have to do this if you plan on changing the UI screen for morphs but it would fit greatly with the current UI.
For some reason an unmorphed player doesn't make animations in 1st person, basically, i was using the Paper Doll mod with this and noticed i was making hand animations in every mode except 1st person, not sure if this is a bug from your mod or not but i was making 1st person animations fine as other mobs, i also addressed the creator of that mod and he said it wasn't his mod's bug, also you should fix the "humanoid mob swings with there opposite hand" issue that's been going on for months, anyways the "mode" i was suggesting was that you activate an item, keybind, or option in the "options" bar setting (this is your choice on how you want it to be activated) where morphing into mobs doesn't get rid of your screen, this would allow for a more efficient way of quickly switching between mobs for purposes like PVP, PVE, Traversing, Building, getting out of sticky situations etc, pressing it again or changing the settings will switch you back to the normal, more casual mode. You don't have to do this if you plan on changing the UI screen for morphs but it would fit greatly with the current UI.