I'm trying to make an ability to build a structure that can only be built in a designated area. So what I've done is create an invisible unit at the appropriate area and made the unit I want to build required to be built-on that invisible unit. It all works as intended; the unit can only be placed where I want it to, a placement model is attached to the cursor during placement, and the cursor snaps to the invisible unit during placement.
... However, in addition to a placement model being attached to the cursor, I also want a placement model attached to the invisible unit during placement. The easiest way to explain is the build Refinery ability. When you activate it to bring up the cursor, you get a Refinery placement model on your cursor AND all geysers also have a Refinery placement model overlayed on them. I can't figure out how to create this built-on placement model.
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I'm trying to make an ability to build a structure that can only be built in a designated area. So what I've done is create an invisible unit at the appropriate area and made the unit I want to build required to be built-on that invisible unit. It all works as intended; the unit can only be placed where I want it to, a placement model is attached to the cursor during placement, and the cursor snaps to the invisible unit during placement.
... However, in addition to a placement model being attached to the cursor, I also want a placement model attached to the invisible unit during placement. The easiest way to explain is the build Refinery ability. When you activate it to bring up the cursor, you get a Refinery placement model on your cursor AND all geysers also have a Refinery placement model overlayed on them. I can't figure out how to create this built-on placement model.