Make it possible to make stripped trunks with chainsaw

tools.lua

@@ -216,6 +216,17 @@ local function registerElectricChainsaw(config)
 		definition.groups={
 			dig_speed_class=config.digSpeedClass,
 		}
+		definition.on_place=function(itemstack,user,pointed)
+			local meta=itemstack:get_meta()
+			if meta:get_int("industrialtest.powerAmount")>=20 then
+				local itemstackCopy=itemstack
+				if itemstack:get_wear()~=industrialtest.internal.mclMakeStrippedTrunk(itemstackCopy,user,pointed,true):get_wear() then
+					industrialtest.api.addPowerToItem(itemstack,-20)
+					return itemstack
+				end
+			end
+			return nil
+		end
 		definition.after_use=function(itemstack)
 			-- Hack to make sure that chainsaw won't be destroyed when has 0 EU in MCL
 			return nil