Merge pull request #28 from S-S-X/injectors

#1 Pipeworks injectors
Worked for me so must be almost okayish, merging

tubetool/init.lua

@@ -32,4 +32,4 @@ minetest.register_alias('tubetool:wand', 'metatool:tubetool')
 tool:load_node_definition(dofile(modpath .. '/nodes/mese_tube.lua'))
 tool:load_node_definition(dofile(modpath .. '/nodes/teleport_tube.lua'))
 -- tool:load_node_definition(dofile(modpath .. '/nodes/sand_tube.lua')
--- tool:load_node_definition(dofile(modpath .. '/nodes/injector.lua')
+tool:load_node_definition(dofile(modpath .. '/nodes/injector.lua'))

tubetool/nodes/injector.lua

@@ -1,25 +1,66 @@
 --
--- Register injectors for tubetool
+-- Register injectors tube for tubetool
 --
 
--- TODO: Register injectors for tubetool
-
 --luacheck: ignore unused argument node player
-local tooldef = {
-	group = 'injector',
-
-	copy = function(node, pos, player)
-		-- useless stuff to remove luacheck warnings
-		print(type(pos))
-		-- return data required for replicating this tube settings
-		return { description = 'Not implemented' }
-	end,
-
-	paste = function(node, pos, player, data)
-		-- useless stuff to remove luacheck warnings
-		print(type(pos))
-		print(type(data))
-	end,
-}
+return {
+	nodes = {
+		"pipeworks:filter",
+		"pipeworks:mese_filter",
+	},
+	tooldef = {
+		group = 'injector',
+
+		copy = function(node, pos, player)
+			local meta = minetest.get_meta(pos)
+			local inv = meta:get_inventory()
+
+			-- get and store inventories data
+			local inv_data = {}
+			table.insert(inv_data, {})
+			for slot=1,inv:get_size("main") do
+				local stack = inv:get_stack("main", slot)
+				local item
+				if not stack:is_empty() then
+					item = stack:to_table()
+				end
+				-- add item or empty
+				table.insert(inv_data, item or "")
+			end
+
+			local slotseq_mode = meta:get_int("slotseq_mode")
+			local slotseq_index = meta:get_int("slotseq_index")
+			local exmatch_mode = meta:get_int("exmatch_mode")
+			local description = meta:get_string("infotext")
 
-metatool:register_node('pipeworks:injector', tooldef)
+			-- return data required for replicating this injector settings
+			return {
+				description = description,
+				inventory = inv_data,
+				slotseq_mode = slotseq_mode,
+				slotseq_index = slotseq_index,
+				exmatch_mode = exmatch_mode,
+			}
+		end,
+
+		paste = function(node, pos, player, data)
+			local meta = minetest.get_meta(pos)
+			local inv = meta:get_inventory()
+
+			-- restore inventories data
+			for index,item in ipairs(data.inventory) do
+				inv:set_stack("main", index-1, ItemStack(item))
+			end
+
+			meta:set_int("slotseq_mode", data.slotseq_mode)
+			meta:set_int("slotseq_index", data.slotseq_index)
+			if node.name == "pipeworks:filter" then
+				meta:set_int("exmatch_mode", data.exmatch_mode)
+			end
+
+			-- update injector formspec
+			local nodedef = minetest.registered_nodes[node.name]
+			nodedef.on_receive_fields(pos, "", {}, player)
+		end,
+	}
+}