name support for configure tool

configure.lua

@@ -16,7 +16,7 @@ local function get_outer_corners(pos1, pos2)
     }
 end
 
-function pick_and_place.configure(pos1, pos2)
+function pick_and_place.configure(pos1, pos2, name)
     pos1, pos2 = pick_and_place.sort_pos(pos1, pos2)
 
     for _, cpos in ipairs(get_outer_corners(pos1, pos2)) do
@@ -31,6 +31,8 @@ function pick_and_place.configure(pos1, pos2)
 
             meta:set_string("pos1", minetest.pos_to_string(rel_pos1))
             meta:set_string("pos2", minetest.pos_to_string(rel_pos2))
+            meta:set_string("name", name)
+            meta:set_string("infotext", name)
         end
     end
 end

configure_tool.lua

@@ -1,7 +1,11 @@
+local FORMSPEC_NAME = "pick_and_place:configure"
 
 -- playername -> pos (if pos1 selected)
 local pos1 = {}
 
+-- playername -> pos (if pos2 selected)
+local pos2 = {}
+
 minetest.register_tool("pick_and_place:configure", {
     description = "Placement configuration tool",
     inventory_image = "pick_and_place.png^[colorize:#ffffff",
@@ -13,9 +17,15 @@ minetest.register_tool("pick_and_place:configure", {
 
         if pos1[playername] then
             -- second position selected
-            -- configure and unmark
-            pick_and_place.configure(pos1[playername], pointed_pos)
-            pos1[playername] = nil
+            pos2[playername] = pointed_pos
+
+            -- show name input
+            minetest.show_formspec(playername, FORMSPEC_NAME, [[
+                size[10,1]
+                real_coordinates[true]
+                field[0.1,0.1;7,0.8;name;Name;]
+                button_exit[7.1,0.1;2.5,0.8;save;Save]
+            ]])
         else
             -- first position selected
             pos1[playername] = pointed_pos
@@ -29,16 +39,31 @@ minetest.register_tool("pick_and_place:configure", {
         local playername = player:get_player_name()
         local pointed_pos = pick_and_place.get_pointed_position(player)
 
-        if pos1[playername] then
-            -- first position already selected
-            pick_and_place.show_preview(playername, "pick_and_place.png", "#ffffff", pointed_pos, pos1[playername])
-        else
-            -- nothing selected yet
-            pick_and_place.show_preview(playername, "pick_and_place.png", "#ffffff", pointed_pos)
-        end
+        -- update preview
+        pick_and_place.show_preview(playername, "pick_and_place.png", "#ffffff", pointed_pos, pos1[playername])
     end,
     on_deselect = function(_, player)
         local playername = player:get_player_name()
         pick_and_place.clear_preview(playername)
     end
 })
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+    if formname ~= FORMSPEC_NAME then
+        return false
+    end
+
+    if not fields.save and not fields.key_enter_field then
+        return false
+    end
+
+    local playername = player:get_player_name()
+    if not pos1[playername] or not pos2[playername] then
+        return false
+    end
+
+    -- configure and unmark
+    pick_and_place.configure(pos1[playername], pos2[playername], fields.name)
+    pos1[playername] = nil
+    pos2[playername] = nil
+end)

create_tool.lua

@@ -1,4 +1,4 @@
-function pick_and_place.create_tool(pos1, pos2)
+function pick_and_place.create_tool(pos1, pos2, name)
     local size = vector.add(vector.subtract(pos2, pos1), 1)
 
     local tool = ItemStack("pick_and_place:place 1")
@@ -9,7 +9,10 @@ function pick_and_place.create_tool(pos1, pos2)
     local schematic = pick_and_place.serialize(pos1, pos2)
     tool_meta:set_string("schematic", schematic)
 
-    local desc = string.format("Placement tool (%d bytes, size: %s)", #schematic, minetest.pos_to_string(size))
+    local desc = string.format(
+        "Placement tool '%s' (%d bytes, size: %s)",
+        name or "", #schematic, minetest.pos_to_string(size)
+    )
     tool_meta:set_string("description", desc)
 
     return tool

handle_node.lua

@@ -9,12 +9,13 @@ local function on_rightclick(pos, _, _, itemstack)
 	-- relative positions
 	local rel_pos1 = minetest.string_to_pos(meta:get_string("pos1"))
 	local rel_pos2 = minetest.string_to_pos(meta:get_string("pos2"))
+	local name = meta:get_string("name")
 
 	-- absolute positions
 	local pos1 = vector.add(pos, rel_pos1)
 	local pos2 = vector.add(pos, rel_pos2)
 
-	return pick_and_place.create_tool(pos1, pos2)
+	return pick_and_place.create_tool(pos1, pos2, name)
 end