init.lua

   1 cmsg = {}
   2 cmsg.hudids = {}
   3 cmsg.active_messages = {}
   4
   5 cmsg.default_color = 0xFFFFFF
   6
   7 cmsg.push_message_player = function(player, text, color)
   8         local function push(tbl)
   9                 -- Horrible Workaround code starts here
  10                 if not (cmsg.last_push < cmsg.steps) then
  11                         minetest.after(0, push, tbl)
  12                         return
  13                 end
  14
  15                 local player = tbl.player
  16                 local text = tbl.text
  17                 local color = tbl.color
  18                 -- Horrible Workaround code ends here
  19
  20                 local pname = player:get_player_name()
  21                 if color == nil then color = cmsg.default_color end
  22                 if cmsg.hudids[pname] == nil then
  23                         cmsg.hudids[pname] = {}
  24                         cmsg.active_messages[pname] = 0
  25                 else
  26                         -- move older HUD IDs up
  27                         for hudid,tbl in pairs(cmsg.hudids[pname]) do
  28                                 tbl.stackpos = tbl.stackpos + 1
  29                                 player:hud_change(hudid, "offset", {x=0,y=-128-(18*tbl.stackpos)})
  30                         end
  31                 end
  32                 local hudid = player:hud_add({
  33                         hud_elem_type = "text",
  34                         text = text,
  35                         number = color,
  36                         position = {x=0.5, y=0.5},
  37                         offset = {x=0,y=-128},
  38                         direction = 0,
  39                         alignment = {x=0,y=0},
  40                         scale = {x=300,y=18},
  41                 })
  42
  43                 cmsg.hudids[pname][hudid] = {stackpos=0}
  44                 cmsg.active_messages[pname] = cmsg.active_messages[pname] + 1
  45
  46                 minetest.after(5, function(param)
  47                         local pname = param.player:get_player_name()
  48                         param.player:hud_remove(param.hudid)
  49                         cmsg.hudids[pname][param.hudid] = nil
  50                         cmsg.active_messages[pname] = cmsg.active_messages[pname] - 1
  51                 end, {player=player, hudid = hudid})
  52
  53                 -- Update timer for Horrible Workaround
  54                 cmsg.last_push = cmsg.steps
  55         end
  56
  57         if cmsg.last_push < cmsg.steps then
  58                 push({player=player, text=text, color=color})
  59         else
  60                 minetest.after(0, push, {player=player, text=text, color=color})
  61         end
  62 end
  63
  64 cmsg.push_message_all = function(text, color)
  65         local players = minetest.get_connected_players()
  66         for i=1,#players do
  67                 cmsg.push_message_player(players[i], text, color)
  68         end
  69 end
  70
  71 minetest.register_on_leaveplayer(function(player)
  72         cmsg.hudids[player:get_player_name()] = nil
  73 end)
  74
  75 -- Horrible Workaround code starts here
  76 cmsg.steps = 0
  77 cmsg.last_push = -1
  78 minetest.register_globalstep(function(dtime)
  79         cmsg.steps = cmsg.steps + 1
  80 end)
  81 -- Horrible Workaround code ends here