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-- List of Entities Types that can't be placed on sand
local Blocked_Buildings = 
{
["furnace"] = true,
["boiler"] = true,
["generator"] = true,
["radar"] = true,
["assembling-machine"] = true,
["solar-panel"] = true,
["lab"] = true,
["rocket-silo"] = true,
["roboport"] = true,
["storage-tank"] = true,
["pump"] = true,
["market"] = true,
["accumulator"] = true,
["beacon"] = true,
["electric-turret"] = true,
["ammo-turret"] = true,
["reactor"] = true	
}

--- Collision Layer
local terrain_collision_layer = "layer-15"

--add collision mask to entities 
local function add_Collision_Layer(entity,layer)
	if not entity  then return end
	if entity.collision_mask then
		table.insert(entity.collision_mask, layer);
	else
		entity.collision_mask = {layer,"water-tile","player-layer"} 
	end
end


--Add collision to mask for non mineable tiles
for _,tile in pairs(data.raw["tile"]) do
	if not tile.minable then
		add_Collision_Layer(tile,terrain_collision_layer);
	end
end

--Add Collision layer to the Entity List.
for i = 1, #Blocked_Buildings do
	local entity = data.raw.Blocked_Buildings[i]
	add_Collision_Layer(entity, terrain_collision_layer)

end

Code: Select all

--Add Collision layer to the Entity List.
for i = 1, #Blocked_Buildings do
	local entity = Blocked_Buildings[i]
	for _, entity in pairs(data.raw[entity]) do
		add_Collision_Layer(entity, terrain_collision_layer)
	end
end