You need to create a dummy unit that will represent the "Range Effect".
Give that unit the locust ability, make it invulnerable and make it unable to attack.
Another important thing is to remove the shadow, which some people forget.
Create an ability based off Wind Walk, or any other instant spell, make sure it doesn't have any effects anymore (and no sounds), give it the name/description you want.
That's obviously the range-check-ability.
Now you have a few options, since I've never seen a "range" integer in the trigger editor:
- You can set the point value of the units to their range
- You can set the custom value of the units to their range
- You can do something like HP = Range*1000 (since it becomes black after about 10k anyway).
When the ability is activated, do something like this:
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Actions
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Set Loc[1] = (Position of (Triggering unit))
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For each (Integer B) from 1 to 20, do (Actions)
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Loop - Actions
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Set Loc[2] = (Loc[1] offset by (Real((Point-value of (Triggering unit)))) towards ((Real((Integer B))) x 18.00) degrees)
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Unit - Create 1 Footman for (Owner of (Triggering unit)) at Loc[2] facing Default building facing (270.0) degrees
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Unit - Add a 4.00 second Generic expiration timer to (Last created unit)
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Custom script: call RemoveLocation(udg_Loc[1])
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Custom script: call RemoveLocation(udg_Loc[2])
In this example I have used the Point value, which is the easiest, but it could be possible that you've already assigned it (I have assigned it for the sell-value in my TD).
If you have no other option whatsoever, you can create an if/then/else-function for each tower... but I wouldn't recommend that, as it takes a lot of work.
