allow to setup the npc without a staff

functions.lua

@@ -1051,6 +1051,36 @@ local function get_fs_edit_option_dialog(player, n_id, d_id, o_id)
 end
 
 
+-- initialize the npc without having to use a staff;
+-- returns true when initialization possible
+local function get_fs_initial_config(player, n_id, d_id)
+	local pname = player:get_player_name()
+
+	-- is the player allowed to edit this npc?
+	if(not(yl_speak_up.npc_owner[ n_id ] == pname
+	  and minetest.check_player_privs(player, {npc_talk_owner=true}))
+	  and not(minetest.check_player_privs(player, {npc_master=true}))) then
+		return get_error_message()
+	end
+
+	local formspec = "size[10,4]"..
+		"label[0.2,0.2;Please provide your new NPC with a name and description!]"..
+		-- name of the npc
+		"label[0.2,1.05;Name:]"..
+		"field[2.0,1.2;4,0.9;n_npc;;"..minetest.formspec_escape(n_id).."]"..
+		"tooltip[n_npc;n_npc: The name of the NPC;#FFFFFF;#000000]"..
+		-- description of the npc
+		"label[0.2,2.05;Description:]"..
+		"field[2.0,2.2;8,0.9;n_description;;A new NPC without description]"..
+		"tooltip[n_description;n_description: A description for the NPC;#FFFFFF;#000000]"..
+		-- save and exit buttons
+		"button_exit[3.2,3.2;2,0.9;save_initial_config;Save]"..
+		"button_exit[5.4,3.2;2,0.9;exit;Exit]"
+	-- show the formspec to the player
+	return formspec
+end
+
+
 -- talk
 
 local function get_fs_talkdialog(player, n_id, d_id)
@@ -1098,6 +1128,7 @@ local function get_fs_talkdialog(player, n_id, d_id)
             end
         end
     else
+	-- it may be possible that this player can initialize this npc
         minetest.log(
             "action",
             "[MOD] yl_speak_up: User " ..
@@ -1105,7 +1136,7 @@ local function get_fs_talkdialog(player, n_id, d_id)
                     " talked to unconfigured NPC with ID n_" ..
                         n_id .. ", position of user was " .. minetest.pos_to_string(player:get_pos(), 0)
         )
-        return get_error_message()
+	return get_fs_initial_config(player, n_id, d_id)
     end
 
     if c_d_id == nil then return get_error_message() end
@@ -2296,6 +2327,44 @@ minetest.register_on_player_receive_fields(
         local pname = player:get_player_name()
         local o = ""
 
+	local n_id = yl_speak_up.speak_to[pname].n_id
+	-- the player is trying to save the initial configuration
+	if(fields.save_initial_config) then
+		-- is the player allowed to initialize this npc?
+		if(not(yl_speak_up.npc_owner[ n_id ] == pname
+		  and minetest.check_player_privs(player, {npc_talk_owner=true}))
+		  and not(minetest.check_player_privs(player, {npc_master=true}))) then
+			return
+		end
+		if(not(fields.n_npc) or string.len(fields.n_npc) < 2) then
+			minetest.chat_send_player(pname, "The name of your NPC needs to be at least two characters long.")
+			return
+		end
+		if(not(fields.n_description) or string.len(fields.n_description) < 2) then
+			minetest.chat_send_player(pname, "Please provide a description of your NPC!")
+			return
+		end
+		-- give the NPC its first dialog
+		local f = {}
+		-- create a new dialog
+		f.d_id = yl_speak_up.text_new_dialog_id
+		-- ...with this text
+		f.d_text = "Hi. I am "..tostring(fields.n_npc)..". I don't know much yet.\n"..
+			"Hopefully "..tostring(pname).." will teach me to talk soon."
+		-- it is the first, initial dialog
+		f.d_sort = "0"
+		f.n_npc = fields.n_npc
+		f.n_description = fields.n_description
+		f.npc_owner = yl_speak_up.npc_owner[ n_id ]
+		-- create and save the first dialog for this npc
+		local dialog = fields_to_dialog(pname, f)
+		save_dialog(n_id, dialog)
+		yl_speak_up.speak_to[pname].dialog = dialog
+		-- actually start a chat with our new npc
+		minetest.show_formspec(pname, "yl_speak_up:talk", get_fs_talkdialog(player, n_id, nil))
+		return
+	end
+
 	-- Is the player working on this particular npc?
 	local edit_mode = (yl_speak_up.edit_mode[pname] == yl_speak_up.speak_to[pname].n_id)