fire_handling.lua

   1 local minetest,name = minetest,minetest.localplayer:get_name()
   2 local fire_handling_channel = minetest.mod_channel_join(name..":fire_state")
   3
   4 local on_fire = 0
   5 local fire_id = nil
   6 local fire_animation_timer = 0
   7 local fire_animation_tile = 0
   8 --receive the server states
   9 minetest.register_on_modchannel_message(function(channel_name, sender, message)
  10         if sender == "" and channel_name == name..":fire_state" then
  11         on_fire = tonumber(message)
  12         end
  13 end)
  14
  15 minetest.register_globalstep(function(dtime)
  16     if on_fire == 0 then
  17         if fire_id then
  18             minetest.localplayer:hud_remove(fire_id)
  19             fire_id = nil
  20         end
  21     elseif on_fire == 1 then
  22         if fire_id == nil then
  23             fire_id = minetest.localplayer:hud_add({
  24                                 hud_elem_type = "image", -- see HUD element types, default "text"
  25                                 position = {x=0.5, y=0.5},
  26                                 name = "",    -- default ""
  27                                 scale = {x=-100, y=-100}, -- default {x=0,y=0}
  28                                 text = "fire.png^[opacity:180^[verticalframe:8:"..fire_animation_tile,
  29             })
  30         else
  31             fire_animation_timer = fire_animation_timer + dtime
  32             if fire_animation_timer >= 0.05 then
  33                 fire_animation_timer = 0
  34                 fire_animation_tile = fire_animation_tile + 1
  35                 if fire_animation_tile > 7 then
  36                     fire_animation_tile = 0
  37                 end
  38                 minetest.localplayer:hud_change(fire_id, "text", "fire.png^[opacity:180^[verticalframe:8:"..fire_animation_tile)
  39             end
  40         end
  41     end
  42 end)