mods/ENVIRONMENT/mcl_weather/snow.lua

   1 mcl_weather.snow = {}
   2
   3 mcl_weather.snow.particles_count = 15
   4 mcl_weather.snow.init_done = false
   5
   6 -- calculates coordinates and draw particles for snow weather
   7 mcl_weather.snow.add_snow_particles = function(player)
   8   mcl_weather.rain.last_rp_count = 0
   9   for i=mcl_weather.snow.particles_count, 1,-1 do
  10     local random_pos_x, random_pos_y, random_pos_z = mcl_weather.get_random_pos_by_player_look_dir(player)
  11     random_pos_y = math.random() + math.random(player:get_pos().y - 1, player:get_pos().y + 7)
  12     if minetest.get_node_light({x=random_pos_x, y=random_pos_y, z=random_pos_z}, 0.5) == 15 then
  13       mcl_weather.rain.last_rp_count = mcl_weather.rain.last_rp_count + 1
  14       minetest.add_particle({
  15         pos = {x=random_pos_x, y=random_pos_y, z=random_pos_z},
  16         velocity = {x = math.random(-1,-0.5), y = math.random(-2,-1), z = math.random(-1,-0.5)},
  17         acceleration = {x = math.random(-1,-0.5), y=-0.5, z = math.random(-1,-0.5)},
  18         expirationtime = 2.0,
  19         size = math.random(0.5, 2),
  20         collisiondetection = true,
  21         collision_removal = true,
  22         vertical = true,
  23         texture = mcl_weather.snow.get_texture(),
  24         playername = player:get_player_name()
  25       })
  26     end
  27   end
  28 end
  29
  30 mcl_weather.snow.set_sky_box = function()
  31   mcl_weather.skycolor.add_layer(
  32     "weather-pack-snow-sky",
  33     {{r=0, g=0, b=0},
  34     {r=85, g=86, b=86},
  35     {r=135, g=135, b=135},
  36     {r=85, g=86, b=86},
  37     {r=0, g=0, b=0}})
  38   mcl_weather.skycolor.active = true
  39   for _, player in pairs(minetest.get_connected_players()) do
  40     player:set_clouds({color="#ADADADE8"})
  41   end
  42   mcl_weather.skycolor.active = true
  43 end
  44
  45 mcl_weather.snow.clear = function()
  46   mcl_weather.skycolor.remove_layer("weather-pack-snow-sky")
  47   mcl_weather.snow.init_done = false
  48 end
  49
  50 -- Simple random texture getter
  51 mcl_weather.snow.get_texture = function()
  52   local texture_name
  53   local random_number = math.random()
  54   if random_number > 0.5 then
  55     texture_name = "weather_pack_snow_snowflake1.png"
  56   else
  57     texture_name = "weather_pack_snow_snowflake2.png"
  58   end
  59   return texture_name;
  60 end
  61
  62 local timer = 0
  63 minetest.register_globalstep(function(dtime)
  64   if mcl_weather.state ~= "snow" then
  65     return false
  66   end
  67
  68   timer = timer + dtime;
  69   if timer >= 0.5 then
  70     timer = 0
  71   else
  72     return
  73   end
  74
  75   if mcl_weather.snow.init_done == false then
  76     mcl_weather.snow.set_sky_box()
  77     mcl_weather.snow.init_done = true
  78   end
  79
  80   for _, player in ipairs(minetest.get_connected_players()) do
  81     if (mcl_weather.is_underwater(player) or not mcl_worlds.has_weather(player:get_pos())) then
  82       return false
  83     end
  84     mcl_weather.snow.add_snow_particles(player)
  85   end
  86 end)
  87
  88 -- register snow weather
  89 if mcl_weather.reg_weathers.snow == nil then
  90   mcl_weather.reg_weathers.snow = {
  91     clear = mcl_weather.snow.clear,
  92     light_factor = 0.6,
  93     -- 10min - 20min
  94     min_duration = 600,
  95     max_duration = 1200,
  96     transitions = {
  97       [65] = "none",
  98       [80] = "rain",
  99       [100] = "thunder",
 100     }
 101 }
 102 end
 103