Prevent breakage of multinode devices (merge of GH#8)

numberZero · May 21, 2020 · 5de15c5 · 5de15c5
2 parents 76d3904 + 3d6132d
commit 5de15c5
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/filter.lua b/filter.lua
@@ -115,6 +115,7 @@ minetest.register_node("digiline_routing:filter", {
 		},
 	},
 })
+mesecon.register_mvps_stopper("digiline_routing:filter")
 
 minetest.register_node("digiline_routing:filter_b", {
 	description = "<<INTERNAL>> Digiline Filter (Part B)",
@@ -144,3 +145,4 @@ minetest.register_node("digiline_routing:filter_b", {
 		},
 	},
 })
+mesecon.register_mvps_stopper("digiline_routing:filter_b")
diff --git a/multiblock.lua b/multiblock.lua
@@ -5,11 +5,14 @@ digiline_routing.multiblock = {}
 
 digiline_routing.multiblock.build2 = function(node1, node2, itemstack, placer, pointed_thing)
 	local under = pointed_thing.under
+	local above = pointed_thing.above
 	local pos
 	if minetest.registered_items[minetest.get_node(under).name].buildable_to then
 		pos = under
+	elseif minetest.registered_items[minetest.get_node(above).name].buildable_to then
+		pos = above
 	else
-		pos = pointed_thing.above
+		return itemstack, false
 	end
 
 	if digiline_routing.is_protected(pos, placer) then

diff --git a/splitter.lua b/splitter.lua
@@ -84,6 +84,7 @@ minetest.register_node("digiline_routing:splitter", {
 		},
 	},
 })
+mesecon.register_mvps_stopper("digiline_routing:splitter")
 
 minetest.register_node("digiline_routing:splitter_b", {
 	description = "<<INTERNAL>> Digiline Splitter (Part B)",
@@ -113,3 +114,4 @@ minetest.register_node("digiline_routing:splitter_b", {
 		},
 	},
 })
+mesecon.register_mvps_stopper("digiline_routing:splitter_b")