mods/ENVIRONMENT/weather_pack/thunder.lua

   1 -- turn off lightning mod 'auto mode'
   2 lightning.auto = false
   3
   4 thunder = {
   5   next_strike = 0,
   6   min_delay = 3,
   7   max_delay = 12,
   8   init_done = false,
   9 }
  10
  11 minetest.register_globalstep(function(dtime)
  12   if weather.state ~= "thunder" then
  13     return false
  14   end
  15
  16   rain.set_particles_mode("thunder")
  17   rain.make_weather()
  18
  19   if thunder.init_done == false then
  20     skycolor.add_layer(
  21       "weather-pack-thunder-sky",
  22       {{r=0, g=0, b=0},
  23       {r=40, g=40, b=40},
  24       {r=85, g=86, b=86},
  25       {r=40, g=40, b=40},
  26       {r=0, g=0, b=0}})
  27     skycolor.active = true
  28     for _, player in pairs(minetest.get_connected_players()) do
  29       player:set_clouds({color="#3D3D3FE8"})
  30     end
  31     thunder.init_done = true
  32   end
  33
  34   if (thunder.next_strike <= minetest.get_gametime()) then
  35     lightning.strike()
  36     local delay = math.random(thunder.min_delay, thunder.max_delay)
  37     thunder.next_strike = minetest.get_gametime() + delay
  38   end
  39
  40 end)
  41
  42 thunder.clear = function()
  43   rain.clear()
  44   skycolor.remove_layer("weather-pack-thunder-sky")
  45   skycolor.remove_layer("lightning")
  46   thunder.init_done = false
  47 end
  48
  49 -- register thunderstorm weather
  50 if weather.reg_weathers.thunder == nil then
  51   weather.reg_weathers.thunder = {
  52     chance = 5,
  53     clear = thunder.clear,
  54     -- 10min - 20min
  55     min_duration = 600,
  56     max_duration = 1200,
  57   }
  58 end