Decals work on skeletal actors but they do not properly “stick” to the mesh as you can imagine.
You could fake it via a material or attach the decal on a bone (that will not always look right).
(btw Doom 3 is not really relevant 
not a UE game).
Decals work on skeletal actors but they do not properly “stick” to the mesh as you can imagine.
You could fake it via a material or attach the decal on a bone (that will not always look right).
(btw Doom 3 is not really relevant not a UE game).