init.lua

   1 iblocks = {}
   2 iblocks.activities = {}
   3 minetest.register_privilege("iblocks", "Use the Interactive Blocks")
   4 iblocks.get_activity = function(pos)
   5         return iblocks.activities[minetest.serialize(pos)]
   6 end
   7 iblocks.set_activity = function(pos, activity)
   8         iblocks.activities[minetest.serialize(pos)] = activity
   9 end
  10 iblocks.pos_to_str = function(pos)
  11         return " Position: (" .. pos.x .. ", " .. pos.y .. ", " .. pos.z .. ")"
  12 end
  13 iblocks.error = function(name, message)
  14         minetest.chat_send_player(name, minetest.colorize("#FF2E00", "Fehler: " .. message))
  15 end
  16 iblocks.protected = function(pos, name)
  17         local meta = minetest.get_meta(pos)
  18         if not minetest.check_player_privs(name, {protection_bypass}) and meta:get_string("owner") ~= "" and meta:get_string("owner") ~= name then
  19                 iblocks.error(name, "Dieser Block gehört nicht dir!")
  20                 return true
  21         else
  22                 return false
  23         end
  24 end
  25 iblocks.lackspriv = function(name)
  26         if minetest.check_player_privs(name, {iblocks = true}) then
  27                 return false
  28         else
  29                 iblocks.error(name, "Dir fehlt das iblocks Privileg!")
  30                 return true
  31         end
  32 end
  33 iblocks.get_player_activity = function(name)
  34         for _, a in pairs(iblocks.activities) do
  35                 if a.player == name then
  36                         return a
  37                 end
  38         end
  39         return nil
  40 end
  41 iblocks.enable = function(activity)
  42         local old_activity = iblocks.get_player_activity(activity.player)
  43         if iblocks.protected(activity.pos, activity.player) or iblocks.lackspriv(activity.player) then
  44                 return false
  45         elseif iblocks.disable(activity.pos) then
  46                 return false
  47         elseif old_activity then
  48                 iblocks.error(activity.player, old_activity.active .. iblocks.pos_to_str(old_activity.pos))
  49                 return false
  50         else
  51                 iblocks.set_activity(activity.pos, activity)
  52                 minetest.chat_send_player(activity.player, minetest.colorize("#3EFF00", activity.enable .. iblocks.pos_to_str(activity.pos)))
  53                 return true
  54         end
  55 end
  56 iblocks.disable = function(pos)
  57         local activity = iblocks.get_activity(pos)
  58         if activity then
  59                 minetest.chat_send_player(activity.player, minetest.colorize("#FF492A", activity.disable .. iblocks.pos_to_str(activity.pos)))
  60                 iblocks.set_activity(pos, nil)
  61                 return true
  62         end
  63         return false
  64 end
  65 minetest.register_node("iblocks:textblock", {
  66         description = "Textblock",
  67         tiles = {"iblocks_textblock.png"},
  68         after_place_node = function(pos, player)
  69                 local meta = minetest.get_meta(pos)
  70                 meta:set_string("owner", player:get_player_name())
  71                 meta:set_string("infotext", "Textblock von " .. player:get_player_name() .. " - Rechtsclick für Eingabe, Linksklick für Ausgabe, Benutze eine Axt zum Abbauen")
  72         end,
  73         on_punch = function(pos, node, player, pointed_thing)
  74                 if iblocks.protected(pos, player:get_player_name()) or iblocks.lackspriv(player:get_player_name()) or player:get_wielded_item():get_name():find("axe") then
  75                         return true
  76                 else
  77                         local meta = minetest.get_meta(pos)
  78                         if meta:get_string("data") == "" then
  79                                 iblocks.error(player:get_player_name(), "Dieser Textblock enthält noch keinen Text.")
  80                         else
  81                                 minetest.chat_send_all(minetest.colorize("#2AA7FF", "[Textblock von ") .. minetest.colorize("#0EFF00", player:get_player_name()) .. minetest.colorize("#2AA7FF", "]:\n   ") .. meta:get_string("data"))
  82                         end
  83                 end
  84         end,
  85         on_rightclick = function(pos, node, player, pointed_thing)
  86                 iblocks.enable({pos = pos, name = "textblock", player = player:get_player_name(), active = "Du bearbeitest bereits einen Textblock!", disable = "Textblock ausgeschaltet.", enable = "Textblock eingeschaltet."})
  87         end,
  88         on_destruct = function(pos, player)
  89                 iblocks.disable(pos)
  90         end,
  91         can_dig = function(pos, player)
  92                 return not iblocks.protected(pos, player:get_player_name())
  93         end,
  94         groups = {choppy = 3}
  95 })
  96 minetest.register_on_chat_message(function(name, message)
  97         local activity = iblocks.get_player_activity(name)
  98         if activity then
  99                 local meta = minetest.get_meta(activity.pos)
 100                 if activity.name == "textblock" then
 101                         meta:set_string("data", meta:get_string("data") .. message .. "\n   ")
 102                         minetest.chat_send_player(name, minetest.colorize("#2AA7FF", "Die Nachricht wurde in den Textblock geschrieben: ") .. message)
 103                         return true
 104                 end
 105         end
 106 end)