Use nodebox for rendering cables

api.lua

@@ -131,6 +131,7 @@ industrialtest.api.powerFlow=function(pos)
 				transferred=true
 			end
 			local def=minetest.registered_nodes[minetest.get_node(neighbourPositions[key]).name]
+			if def then
 				local updateFormspec=def._industrialtest_updateFormspec
 				if updateFormspec then
 					updateFormspec(value)
@@ -139,6 +140,7 @@ industrialtest.api.powerFlow=function(pos)
 				if onPowerFlow and transferred then
 					onPowerFlow(neighbourPositions[key],industrialtest.api.getOppositeSide(key))
 				end
+			end
 			minetest.get_node_timer(neighbourPositions[key]):start(industrialtest.updateDelay)
 			if not industrialtest.api.isFullyCharged(value) then
 				roomAvailable=true

cables.lua

@@ -16,12 +16,81 @@
 
 local S=minetest.get_translator("industrialtest")
 
-local definition={
-	description=S("Copper Cable"),
-	tiles={"industrialtest_copper_cable.png"},
+local function registerCable(name,displayName,material,size,flow)
+	local definition={
+		description=S(displayName.." Cable"),
+		inventory_image="industrialtest_"..name.."_cable_inv.png",
+		tiles={"industrialtest_"..name.."_cable.png"},
+		wield_image="industrialtest_"..name.."_cable_inv.png",
+		paramtype="light",
+		sunlight_propagates=true,
+		drawtype="nodebox",
+		node_box={
+			type="connected",
+			fixed={
+				-size,
+				-size,
+				-size,
+				size,
+				size,
+				size
+			},
+			connect_top={
+				-size,
+				-size,
+				-size,
+				size,
+				0.5,
+				size
+			},
+			connect_bottom={
+				-size,
+				-0.5,
+				-size,
+				size,
+				size,
+				size
+			},
+			connect_front={
+				-size,
+				-size,
+				-0.5,
+				size,
+				size,
+				size,
+			},
+			connect_left={
+				-0.5,
+				-size,
+				-size,
+				size,
+				size,
+				size
+			},
+			connect_back={
+				-size,
+				-size,
+				-size,
+				size,
+				size,
+				0.5
+			},
+			connect_right={
+				-size,
+				-size,
+				-size,
+				0.5,
+				size,
+				size
+			}
+		},
+		connects_to={
+			"group:_industrialtest_hasPowerInput",
+			"group:_industrialtest_hasPowerOutput"
+		},
 		on_construct=function(pos)
 			local meta=minetest.get_meta(pos)
-		industrialtest.api.addPowerStorage(meta,390,390,"aaaaaa")
+			industrialtest.api.addPowerStorage(meta,flow,flow,"aaaaaa")
 		end,
 		on_timer=function(pos)
 			local meta=minetest.get_meta(pos)
@@ -30,25 +99,56 @@ local definition={
 			if not industrialtest.api.isFullyCharged(meta) then
 				industrialtest.api.triggerNeighbours(pos)
 			end
-		return (afterFlow and meta:get_int("industrialtest.api.powerAmount")>0)
+			return (afterFlow and meta:get_int("industrialtest.powerAmount")>0)
 		end,
-	_industrialtest_hasPowerInput=true,
 		_industrialtest_onPowerFlow=function(pos,side)
 		 	local meta=minetest.get_meta(pos)
 		 	industrialtest.api.changeIoConfig(meta,side,"i")
 		 	minetest.get_node_timer(pos):start(industrialtest.updateDelay)
 		end
-}
-if industrialtest.mtgAvailable then
+	}
+	if industrialtest.mtgAvailable then
 		definition.groups={
 			cracky=1,
 			level=1,
 			oddly_breakable_by_hand=1
 		}
 		definition.sound=default.node_sound_metal_defaults()
-elseif industrialtest.mclAvailable then
+	elseif industrialtest.mclAvailable then
 		definition.groups={pickaxey=1}
 		definition._mcl_blast_resistance=1
 		definition._mcl_hardness=0.5
+		definition.sound=mcl_sounds.node_sound_metal_defaults()
+	end
+	definition.groups._industrialtest_hasPowerInput=1
+	minetest.register_node("industrialtest:"..name.."_cable",definition)
+	minetest.register_craft({
+		type="shaped",
+		output="industrialtest:"..name.."_cable 6",
+		recipe={
+			{material,material,material},
+			{"","",""},
+			{"","",""}
+		}
+	})
+	minetest.register_craft({
+		type="shaped",
+		output="industrialtest:"..name.."_cable 6",
+		recipe={
+			{"","",""},
+			{material,material,material},
+			{"","",""}
+		}
+	})
+	minetest.register_craft({
+		type="shaped",
+		output="industrialtest:"..name.."_cable 6",
+		recipe={
+			{"","",""},
+			{"","",""},
+			{material,material,material}
+		}
+	})
 end
-minetest.register_node("industrialtest:copper_cable",definition)
+
+registerCable("copper","Copper",industrialtest.elementKeys.copperIngot,0.15,216)

compatibility.lua

@@ -480,6 +480,7 @@ if industrialtest.mclAvailable then
 	-- assign element keys for elements that are required later
 	industrialtest.elementKeys.stick="mcl_core:stick"
 	industrialtest.elementKeys.ironIngot="mcl_core:iron_ingot"
+	industrialtest.elementKeys.copperIngot="mcl_copper:copper_ingot"
 	industrialtest.elementKeys.powerCarrier="mesecons:mesecon"
 	industrialtest.elementKeys.furnace="mcl_furnaces:furnace"
 	
@@ -642,6 +643,7 @@ elseif industrialtest.mtgAvailable then
 	industrialtest.elementKeys.tinIngot="default:tin_ingot"
 	industrialtest.elementKeys.bronzeIngot="default:bronze_ingot"
 	industrialtest.elementKeys.ironIngot="default:steel_ingot"
+	industrialtest.elementKeys.copperIngot="default:copper_ingot"
 	industrialtest.elementKeys.stick="default:stick"
 	industrialtest.elementKeys.powerCarrier="default:mese_crystal_fragment"
 	industrialtest.elementKeys.furnace="default:furnace"

machines.lua

@@ -173,10 +173,12 @@ elseif industrialtest.mclAvailable then
 	definition.after_dig_node=function(pos,oldnode,oldmeta)
 		mclAfterDigNode(pos,oldmeta,{"charged","fuel"})
 	end
+	definition.groups={pickaxey=1}
 	definition.sounds=mcl_sounds.node_sound_metal_defaults()
 	definition._mcl_blast_resistance=3.5
 	definition._mcl_hardness=3.9
 end
+definition.groups._industrialtest_hasPowerOutput=1
 minetest.register_node("industrialtest:generator",definition)
 minetest.register_craft({
 	type="shaped",
@@ -647,7 +649,6 @@ definition={
 			end
 		end
 	end,
-	_industrialtest_hasPowerInput=true,
 	_industrialtest_updateFormspec=function(meta)
 		meta:set_string("formspec",electricFurnaceFormspec(meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity")*100,meta:get_float("srcTime")/meta:get_float("maxSrcTime")*100))
 	end
@@ -667,10 +668,12 @@ elseif industrialtest.mclAvailable then
 	definition.after_dig_node=function(pos,oldnode,oldmeta)
 		mclAfterDigNode(pos,oldmeta,{"src","powerStorage","dst","upgrades"})
 	end
+	definition.groups={pickaxey=1}
 	definition.sounds=mcl_sounds.node_sound_metal_defaults()
 	definition._mcl_blast_resistance=3
 	definition._mcl_hardness=3.5
 end
+definition.groups._industrialtest_hasPowerInput=1
 minetest.register_node("industrialtest:electric_furnace",definition)
 minetest.register_craft({
 	type="shaped",

nodes.lua

@@ -42,7 +42,7 @@ minetest.register_craft({
 -- Node callbacks
 minetest.register_on_placenode(function(pos,newNode)
 	local def=minetest.registered_nodes[newNode.name]
-	if def and def._industrialtest_hasPowerInput then
+	if def and def.groups and def.groups._industrialtest_hasPowerInput then
 		industrialtest.api.triggerNeighbours(pos)
 	end
 end)