show who owns the npc; limit length of name and description to 40 characters

functions.lua

@@ -1155,6 +1155,11 @@ local function get_fs_talkdialog(player, n_id, d_id)
     local formspec = {}
     local h
 
+    -- show who owns the NPC (and is thus more or less responsible for what it says)
+    local owner_info = ""
+    if(yl_speak_up.npc_owner[ n_id ]) then
+        owner_info = "\n\n(owned by "..minetest.formspec_escape(yl_speak_up.npc_owner[ n_id ])..")"
+    end
     if formspec_v >= 4 then
         formspec = {
             "formspec_version[3]",
@@ -1202,7 +1207,7 @@ local function get_fs_talkdialog(player, n_id, d_id)
             minetest.formspec_escape(dialog.n_npc),
             "]",
             "label[0.3,1.8;",
-            minetest.formspec_escape(dialog.n_description),
+            minetest.formspec_escape(dialog.n_description)..owner_info,
             "]",
             "image[15.5,0.5;4,4;",
             portrait,
@@ -1221,7 +1226,6 @@ local function get_fs_talkdialog(player, n_id, d_id)
 	-- display the window with the text the NPC is saying
 	-- TODO: make name and description likewise editable?
 	-- TODO: make name of dialog and sort option editable?
-	-- TODO: show who owns the npc/is responsible for its talks?
 	if(edit_mode) then
 
 	    -- TODO: sort by name?
@@ -2344,6 +2348,11 @@ minetest.register_on_player_receive_fields(
 			minetest.chat_send_player(pname, "Please provide a description of your NPC!")
 			return
 		end
+		-- sensible length limit
+		if(string.len(fields.n_npc)>40 or string.len(fields.n_description)>40) then
+			minetest.chat_send_player(pname, "The name and description of your NPC cannot be longer than 40 characters.")
+			return
+		end
 		-- give the NPC its first dialog
 		local f = {}
 		-- create a new dialog