Disable worldedit_gui fallback code (closes #141)

diff --git a/worldedit_gui/init.lua b/worldedit_gui/init.lua
index d44d8bb9c24ac6c39b69ffebefdce112daf4839c..137a057617e1d55812657156070b5d281a0ce8a7 100644 (file)
--- a/worldedit_gui/init.lua
+++ b/worldedit_gui/init.lua
@@ -171,82 +171,14 @@ elseif rawget(_G, "sfinv") then --sfinv installed (part of minetest_game since 0
                        player:set_inventory_formspec(get_formspec(name, page))
                end
        end
-else --fallback button
-       -- FIXME: this is a huge clusterfuck and the back button is broken
-       local player_formspecs = {}
-
-       local update_main_formspec = function(name)
-               local formspec = player_formspecs[name]
-               if not formspec then
-                       return
-               end
-               local player = minetest.get_player_by_name(name)
-               if not player then --this is in case the player signs off while the media is loading
-                       return
-               end
-               if (minetest.check_player_privs(name, {creative=true}) or
-                               minetest.setting_getbool("creative_mode")) and
-                               creative then --creative is active, add button to modified formspec
-                       local creative_formspec = player:get_inventory_formspec()
-                       local tab_id = tonumber(creative_formspec:match("tabheader%[.-;(%d+)%;"))
-
-                       if tab_id == 1 then
-                               formspec = creative_formspec ..
-                                       "image_button[0,1;1,1;inventory_plus_worldedit_gui.png;worldedit_gui;]"
-                       elseif not tab_id then
-                               formspec = creative_formspec ..
-                                       "image_button[6,0;1,1;inventory_plus_worldedit_gui.png;worldedit_gui;]"
-                       else
-                               return
-                       end
-               else
-                       formspec = formspec .. "image_button[0,0;1,1;inventory_plus_worldedit_gui.png;worldedit_gui;]"
-               end
-               player:set_inventory_formspec(formspec)
-       end
-
-       minetest.register_on_joinplayer(function(player)
-               local name = player:get_player_name()
-               minetest.after(1, function()
-                       if minetest.get_player_by_name(name) then --ensure the player is still signed in
-                               player_formspecs[name] = player:get_inventory_formspec()
-                               minetest.after(0.01, function()
-                                       update_main_formspec(name)
-                               end)
-                       end
-               end)
-       end)
-
-       minetest.register_on_leaveplayer(function(player)
-               player_formspecs[player:get_player_name()] = nil
-       end)
-
-       local gui_player_formspecs = {}
-       minetest.register_on_player_receive_fields(function(player, formname, fields)
-               local name = player:get_player_name()
-               if fields.worldedit_gui then --main page
-                       gui_player_formspecs[name] = player:get_inventory_formspec()
-                       worldedit.show_page(name, "worldedit_gui")
-                       return true
-               elseif fields.worldedit_gui_exit then --return to original page
-                       if gui_player_formspecs[name] then
-                               player:set_inventory_formspec(gui_player_formspecs[name])
-                       end
-                       return true
-               else --deal with creative_inventory setting the formspec on every single message
-                       minetest.after(0.01,function()
-                               update_main_formspec(name)
-                       end)
-                       return false --continue processing in creative inventory
-               end
-       end)
-
-       worldedit.show_page = function(name, page)
-               local player = minetest.get_player_by_name(name)
-               if player then
-                       player:set_inventory_formspec(get_formspec(name, page))
-               end
-       end
+else
+       error(
+               "worldedit_gui requires a supported \"gui management\" mod to be installed\n"..
+               "To use the GUI you need to either\n"..
+               "* Use minetest_game (at least 0.4.15) or a subgame with compatible sfinv\n"..
+               "* Install Unified Inventory or Inventory++\n"..
+               "If you do not want to use worldedit_gui, disable it by editing world.mt or from the Main Menu"
+       )
 end
 
 worldedit.register_gui_function("worldedit_gui", {