mods/player_mechanics/suffocation.lua

   1 local time = 0
   2
   3 minetest.register_globalstep(function(dtime)
   4         time = time + dtime
   5
   6         if time < 0.5 then
   7                 return
   8         end
   9
  10         time = 0
  11
  12         for _, player in ipairs(minetest.get_connected_players()) do
  13                 local name = player:get_player_name()
  14                 local pos = player:get_pos()
  15                 local node_head = minetest.get_node(vector.add(pos, vector.new(0, 1.5, 0))).name
  16
  17                 -- Is player suffocating inside node? (Only for solid full opaque cube type nodes
  18                 -- without group disable_suffocation=1)
  19                 local ndef = minetest.registered_nodes[node_head]
  20
  21                 if ndef
  22                 and (ndef.walkable == nil or ndef.walkable == true)
  23                 and (ndef.collision_box == nil or ndef.collision_box.type == "regular")
  24                 and (ndef.node_box == nil or ndef.node_box.type == "regular")
  25                 and (ndef.groups.disable_suffocation ~= 1)
  26                 and (node_head ~= "ignore")
  27                 and (not minetest.check_player_privs(name, {noclip = true})) then
  28                         if player:get_hp() > 0 then
  29                                 player:set_hp(player:get_hp() - 1)
  30                         end
  31                 end
  32
  33         end
  34
  35 end)