Upgrade doc mod to v1.1.0

mods/HELP/doc/doc/README.md

@@ -4,7 +4,7 @@ can access help pages about various things and the modder can add those pages.
 The mod itself does not provide any help texts, just the framework.
 It is the heart of the Help modpack, on which the other Help mods depend.
 
-Current version: 1.0.1
+Current version: 1.1.0
 
 ## For players 
 ### Accessing the help

mods/HELP/doc/doc/init.lua

@@ -190,6 +190,8 @@ function doc.mark_entry_as_revealed(playername, category_id, entry_id)
 		doc.data.players[playername].stored_data.revealed_count[category_id] = doc.data.players[playername].stored_data.revealed_count[category_id] + 1
 		-- Needed because a new entry is added to the list of visible entries
 		doc.data.players[playername].entry_textlist_needs_updating = true
+		-- Notify player of entry revelation
+		if doc.data.players[playername].stored_data.notify_on_reveal == true then
 			if minetest.get_modpath("central_message") ~= nil then
 				local cat = doc.data.categories[category_id]
 				cmsg.push_message_player(minetest.get_player_by_name(playername), S("New help entry unlocked: @1 > @2", cat.def.name, entry.name))
@@ -202,6 +204,7 @@ function doc.mark_entry_as_revealed(playername, category_id, entry_id)
 				doc.data.players[playername].last_reveal_sound = os.time()
 			end
 		end
+	end
 end
 
 -- Reveal
@@ -734,6 +737,7 @@ end
 
 function doc.formspec_main(playername)
 	local formstring = "label[0,0;"..minetest.formspec_escape(DOC_INTRO) .. "\n"
+	local notify_checkbox_x, notify_checkbox_y
 	if doc.get_category_count() >= 1 then
 		formstring = formstring .. F("Please select a category you wish to learn more about:").."]"
 		if doc.get_category_count() <= (CATEGORYFIELDSIZE.WIDTH * CATEGORYFIELDSIZE.HEIGHT)  then
@@ -761,6 +765,8 @@ function doc.formspec_main(playername)
 					end
 				end
 			end
+			notify_checkbox_x = 0
+			notify_checkbox_y = doc.FORMSPEC.HEIGHT-0.5
 		else
 			formstring = formstring .. "textlist[0,1;"..(doc.FORMSPEC.WIDTH-0.2)..","..(doc.FORMSPEC.HEIGHT-2)..";doc_mainlist;"
 			for c=1,#doc.data.category_order do
@@ -778,7 +784,17 @@ function doc.formspec_main(playername)
 			end
 			formstring = formstring .. "]"
 			formstring = formstring .. "button[0,"..(doc.FORMSPEC.HEIGHT-1)..";3,1;doc_button_goto_category;"..F("Show category").."]"
+			notify_checkbox_x = 3.5
+			notify_checkbox_y = doc.FORMSPEC.HEIGHT-1
 		end
+		local text
+		if minetest.get_modpath("central_message") then
+			text = F("Notify me when new help is available")
+		else
+			text = F("Play notification sound when new help is available")
+		end
+		formstring = formstring .. "checkbox["..notify_checkbox_x..","..notify_checkbox_y..";doc_setting_notify_on_reveal;"..text..";"..
+		tostring(doc.data.players[playername].stored_data.notify_on_reveal == true) .. "]"
 	else
 		formstring = formstring .. "]"
 	end
@@ -1066,6 +1082,9 @@ function doc.process_form(player,formname,fields)
 			local formspec = doc.formspec_core(2)..doc.formspec_category(cid, playername)
 			minetest.show_formspec(playername, "doc:category", formspec)
 		end
+		if fields["doc_setting_notify_on_reveal"] then
+			doc.data.players[playername].stored_data.notify_on_reveal = fields["doc_setting_notify_on_reveal"] == "true"
+		end
 	elseif(formname == "doc:category") then
 		if fields["doc_button_goto_entry"] then
 			local cid = doc.data.players[playername].category