Topology Denial - Prevent Deployable by Topology.

[The Friendly Chap]

Plugin Idea, willing to help test it, sadly too broke to buy it. (If you make a chargeable plugin, this is my hint at a free copy)
Prevent a deployables from being deployed based on comparing local toplogy to a list.

Example : 

TopologyBlackList:[
autoturret:{mainland, oceanside, beach, beachside, tier0},
flameturret:{mainland, oceanside, beach, beachside, tier0},
trap.bear:{mainland, oceanside, beach, beachside, tier0},    
trap.landmine:{mainland, oceanside, beach, beachside, tier0},    
guntrap:{mainland, oceanside, beach, beachside, tier0},
spikes.floor:{mainland, oceanside, beach, beachside, tier0},    
barricade.woodwire:{mainland, oceanside, beach, beachside, tier0},    
barricade.metal:{mainland, oceanside, beach, beachside, tier0}
]

The plugin would with this config, then prevent the player from placing a trap of any kind in the spawn area. 
 

[Disguise]

@Farkas? 

[The Friendly Chap]

The example used more or less shows the intended use, but the system is open ended enough to be adapted into other uses, like preventing campfires in forests or the like.
Could be permissions based as well so each list has a permission tagged to it as well. In this case I'd add the permission to the default group since the example's intent is a trapless spawn beach.