initial try to support unified_inventory

Note: there is currently no page. The Button just opens the regular questlog.

depends.txt

@@ -1 +1,2 @@
 intllib?
+unified_inventory?

init.lua

@@ -24,6 +24,11 @@ dofile(minetest.get_modpath("quests") .. "/core.lua")
 dofile(minetest.get_modpath("quests") .. "/hud.lua")
 dofile(minetest.get_modpath("quests") .. "/formspecs.lua")
 
+-- support for unified_inventory
+if (minetest.get_modpath("unified_inventory") ~= nil) then
+	dofile(minetest.get_modpath("quests") .. "/unified_inventory.lua")
+end
+
 
 -- write the quests to file
 minetest.register_on_shutdown(function() 

unified_inventory.lua

@@ -0,0 +1,16 @@
+unified_inventory.register_button("quests", {
+	type = "image",
+	image = "quests_ui_button.png",
+	tooltip = "Show the questlog",
+	action = function(player)
+		quests.show_formspec(player:get_player_name())
+	end
+})
+
+--unified_inventory.register_page("quests", {
+--	get_formspec = function(player, formspec) 
+--		local playername = player:get_player_name()
+--		local formspec = quests.create_formspec(playername)
+--		return {formspec = formspec, draw_inventory=false}
+--	end
+--})