Merge pull request #91 from tacigar/tacigar/nametag

Add nametag

maidroid/api.lua

@@ -156,6 +156,11 @@ function maidroid.maidroid.move_main_to_wield(self, itemname)
 	return false
 end
 
+-- maidroid.maidroid.is_named reports the maidroid is still named.
+function maidroid.maidroid.is_named(self)
+	return self.nametag ~= ""
+end
+
 ---------------------------------------------------------------------
 
 -- maidroid.manufacturing_data represents a table that contains manufacturing data.
@@ -179,32 +184,6 @@ maidroid.manufacturing_data = (function()
 	return {}
 end) ()
 
--- formspec_opened_selves represents a table that contains player names and
--- maidroids whose formspec is opened.
-local formspec_opened_maidroids = {}
-
-minetest.register_on_player_receive_fields(function(player, formname, fields)
-	if formname ~= "maidroid:gui" then
-		return
-	end
-
-	local self = formspec_opened_maidroids[player]
-	if not self then -- if the maidroid is dead now.
-		return
-	end
-
-	if fields.name then
-		if fields.name == "" then
-			self.nametag = self.inventory_name
-		else
-			self.nametag = fields.name
-		end
-		self.object:set_nametag_attributes{
-			text = self.nametag
-		}
-	end
-end)
-
 --------------------------------------------------------------------
 
 -- register empty item entity definition.
@@ -372,7 +351,6 @@ function maidroid.register_maidroid(product_name, def)
 
 	-- create_formspec_string returns a string that represents a formspec definition.
 	local function create_formspec_string(self)
-		local nametag = self.object:get_nametag_attributes().text
 		return "size[8,9]"
 			.. default.gui_bg
 			.. default.gui_bg_img
@@ -382,8 +360,6 @@ function maidroid.register_maidroid(product_name, def)
 			.. "list[detached:"..self.inventory_name..";core;4.5,1.5;1,1;]"
 			.. "list[current_player;main;0,5;8,1;]"
 			.. "list[current_player;main;0,6.2;8,3;8]"
-			.. "button[7,0.25;1,0.875;apply_name;Apply]"
-			.. "field[4.5,0.5;2.75,1;name;name;" .. nametag .. "]"
 			.. "label[5.5,1;wield]"
 			.. "list[detached:"..self.inventory_name..";wield_item;5.5,1.5;1,1;]"
 	end
@@ -396,7 +372,6 @@ function maidroid.register_maidroid(product_name, def)
 			self.manufacturing_number = maidroid.manufacturing_data[product_name]
 			maidroid.manufacturing_data[product_name] = maidroid.manufacturing_data[product_name] + 1
 			create_inventory(self)
-			self.nametag = self.inventory_name
 
 			-- attach dummy item to new maidroid.
 			minetest.add_entity(self.object:getpos(), "maidroid:dummy_item")
@@ -503,7 +478,6 @@ function maidroid.register_maidroid(product_name, def)
 
 	-- on_rightclick is a callback function that is called when a player right-click them.
 	local function on_rightclick(self, clicker)
-		formspec_opened_maidroids[clicker] = self
 		minetest.show_formspec(
 			clicker:get_player_name(),
 			"maidroid:gui",
@@ -571,6 +545,7 @@ function maidroid.register_maidroid(product_name, def)
 		set_yaw_by_direction         = maidroid.maidroid.set_yaw_by_direction,
 		get_wield_item_stack         = maidroid.maidroid.get_wield_item_stack,
 		move_main_to_wield           = maidroid.maidroid.move_main_to_wield,
+		is_named                     = maidroid.maidroid.is_named,
 	})
 
 	-- register maidroid egg.

maidroid_tool/crafting.lua

@@ -20,3 +20,12 @@ minetest.register_craft{
 		{"default:steel_ingot",      "default:cobble", "default:steel_ingot"},
 	},
 }
+
+minetest.register_craft{
+	output = "maidroid_tool:nametag",
+	recipe = {
+		{                   "", "farming:cotton",                    ""},
+		{      "default:paper",  "default:paper",       "default:paper"},
+		{"default:steel_ingot",      "dye:black", "default:steel_ingot"},
+	},
+}

maidroid_tool/init.lua

@@ -12,3 +12,4 @@ dofile(maidroid_tool.modpath .. "/api.lua")
 dofile(maidroid_tool.modpath .. "/core_writer.lua")
 dofile(maidroid_tool.modpath .. "/egg_writer.lua")
 dofile(maidroid_tool.modpath .. "/crafting.lua")
+dofile(maidroid_tool.modpath .. "/nametag.lua")

maidroid_tool/nametag.lua

@@ -0,0 +1,56 @@
+------------------------------------------------------------
+-- Copyright (c) 2016 tacigar. All rights reserved.
+-- https://github.com/tacigar/maidroid
+------------------------------------------------------------
+
+local formspec = "size[4,1.25]"
+			.. default.gui_bg
+			.. default.gui_bg_img
+ 			.. default.gui_slots
+			.. "button_exit[3,0.25;1,0.875;apply_name;Apply]"
+			.. "field[0.5,0.5;2.75,1;name;name;]"
+
+local maidroid_buf = {} -- for buffer of target maidroids.
+
+minetest.register_craftitem("maidroid_tool:nametag", {
+	description      = "maidroid tool : nametag",
+	inventory_image  = "maidroid_tool_nametag.png",
+	stack_max        = 1,
+
+	on_use = function(itemstack, user, pointed_thing)
+		if pointed_thing.type ~= "object" then
+			return nil
+		end
+
+		local obj = pointed_thing.ref
+		local luaentity = obj:get_luaentity()
+
+		if not obj:is_player() and luaentity then
+			local name = luaentity.name
+
+			if maidroid.registered_maidroids[name] and not luaentity:is_named() then
+				local player_name = user:get_player_name()
+
+				minetest.show_formspec(player_name, "maidroid_tool:nametag", formspec)
+				maidroid_buf[player_name] = luaentity
+				return itemstack
+			end
+		end
+		return nil
+	end,
+})
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if formname ~= "maidroid_tool:nametag" then
+		return
+	end
+
+	if fields.name then
+		local luaentity = maidroid_buf[player:get_player_name()]
+		luaentity.nametag = fields.name
+
+		luaentity.object:set_nametag_attributes{
+			text = fields.name,
+		}
+	end
+end)