Implement storage cells

api.lua

@@ -22,6 +22,7 @@ industrialtest.api.compressorRecipes={}
 industrialtest.api.extractorRecipes={}
 industrialtest.api.geothermalGeneratorFuels={}
 industrialtest.api.waterMillFuels={}
+industrialtest.api.storageCells={}
 
 industrialtest.api.lvPowerFlow=600
 industrialtest.api.mvPowerFlow=2400
@@ -363,6 +364,63 @@ industrialtest.api.registerResourceDust=function(name,displayName,resources,colo
 		end
 	end
 end
+-- \brief Registers cell with certain fluid
+-- \param name Technical name of cell
+-- \param displayName Display name of cell
+-- \param node Node which can be picked up with this cell
+-- \returns nil
+industrialtest.api.registerStorageCell=function(name,displayName,node,modname)
+	if not modname then
+		modname="industrialtest"
+	end
+	minetest.register_craftitem("industrialtest:"..name.."_cell",{
+		description=S(displayName.." Cell"),
+		inventory_image=modname.."_"..name.."_cell.png",
+		on_place=function(itemstack,user,pointed)
+			if pointed.type~="node" or not user or not user:is_player() then
+				return nil
+			end
+			local node=minetest.get_node_or_nil(pointed.above)
+			local storage=industrialtest.api.getStorageCell("industrialtest:"..name.."_cell")
+			if storage.node then
+				if node.name~="air" and node.name~=storage.node then
+					return nil
+				end
+				minetest.set_node(pointed.above,{name=storage.node})
+				if itemstack:get_count()==1 then
+					itemstack:set_name("industrialtest:empty_cell")
+				else
+					local inv=user:get_inventory()
+					inv:add_item("main",ItemStack("industrialtest:empty_cell"))
+					itemstack:take_item()
+				end
+				return itemstack
+			end
+			return nil
+		end
+	})
+	industrialtest.api.storageCells["industrialtest:"..name.."_cell"]={
+		name="industrialtest:"..name.."_cell",
+		node=node
+	}
+end
+-- \brief Returns registred storage cell by name
+-- \param name Storage cell name
+-- \returns Table with following keys: name, node or nil in case of failure
+industrialtest.api.getStorageCell=function(name)
+	return industrialtest.api.storageCells[name]
+end
+-- \brief Returns registered storage cells by node
+-- \param node Node ID
+-- \returns Table with following keys: name, node or nil in case of failure
+industrialtest.api.getStorageCellByNode=function(node)
+	for _,value in pairs(industrialtest.api.storageCells) do
+		if value.node==node then
+			return value
+		end
+	end
+	return nil
+end
 -- \brief Registers macerator recipe
 -- \param config Table with keys: <output>, <recipe>, [time(2)]
 -- \returns nil