I realise this thread is old but I've been searching the forum having the same problem.
This is one of the topics that I've stumbled upon and I've found no reliable answer in the end.
I figured it out on my own eventually.
Footprints do not work when they are duplicated until you reload your map.
After duplicating a footprint you just need to go "File -> Close" and then open your map again. The footprints should work fine now.
My problem was with a footprint that was a creep blocker and reloading my map was the fix.
It worked for me and I found this incredibly usefull.
I've been trying to make a "feign death" ability for a unit since a while with a lot of hassle. Using this solution I was able to make a neat, clean and stable ability just like I wanted it.
I gave my unit an ability described by TyaStarcraft to automatically revive right after death. The ability used a set of effects though that also applied a behaviour making the unit invisible and invulnerable for a limited time.
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I realise this thread is old but I've been searching the forum having the same problem. This is one of the topics that I've stumbled upon and I've found no reliable answer in the end.
I figured it out on my own eventually. Footprints do not work when they are duplicated until you reload your map. After duplicating a footprint you just need to go "File -> Close" and then open your map again. The footprints should work fine now. My problem was with a footprint that was a creep blocker and reloading my map was the fix.
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It worked for me and I found this incredibly usefull. I've been trying to make a "feign death" ability for a unit since a while with a lot of hassle. Using this solution I was able to make a neat, clean and stable ability just like I wanted it.
I gave my unit an ability described by TyaStarcraft to automatically revive right after death. The ability used a set of effects though that also applied a behaviour making the unit invisible and invulnerable for a limited time.
Thanks a lot for the info!