VoxeLibre/mods/ENVIRONMENT/mcl_weather/snow.lua

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local get_connected_players = minetest.get_connected_players
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mcl_weather.snow = {}
local PARTICLES_COUNT_SNOW = tonumber(minetest.settings:get("mcl_weather_snow_particles")) or 100
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mcl_weather.snow.init_done = false
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local mgname = minetest.get_mapgen_setting("mg_name")
local snow_biomes = {
"ColdTaiga_underground",
"IcePlains_underground",
"IcePlainsSpikes_underground",
"MegaTaiga_underground",
"Taiga_underground",
"IcePlains_deep_ocean",
"MegaSpruceTaiga_deep_ocean",
"IcePlainsSpikes_ocean",
"StoneBeach_ocean",
"ColdTaiga_deep_ocean",
"MegaTaiga_ocean",
"StoneBeach_deep_ocean",
"IcePlainsSpikes_deep_ocean",
"ColdTaiga_ocean",
"MegaTaiga_deep_ocean",
"MegaSpruceTaiga_ocean",
"ExtremeHills+_ocean",
"IcePlains_ocean",
"Taiga_ocean",
"Taiga_deep_ocean",
"StoneBeach",
"ColdTaiga_beach_water",
"Taiga_beach",
"ColdTaiga_beach",
"Taiga",
"ExtremeHills+_snowtop",
"MegaSpruceTaiga",
"MegaTaiga",
"ExtremeHills+",
"ColdTaiga",
"IcePlainsSpikes",
"IcePlains",
}
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local psdef= {
amount = PARTICLES_COUNT_SNOW,
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time = 0, --stay on til we turn it off
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minpos = vector.new(-25,20,-25),
maxpos =vector.new(25,25,25),
minvel = vector.new(-0.2,-1,-0.2),
maxvel = vector.new(0.2,-4,0.2),
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minacc = vector.new(0,-1,0),
maxacc = vector.new(0,-4,0),
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minexptime = 3,
maxexptime = 5,
minsize = 2,
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maxsize = 5,
collisiondetection = true,
collision_removal = true,
object_collision = true,
vertical = true,
glow = 1
}
function mcl_weather.has_snow(pos)
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if not mcl_worlds.has_weather(pos) then return false end
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if mgname == "singlenode" or mgname == "v6" then return false end
local bn = minetest.get_biome_name(minetest.get_biome_data(pos).biome)
local bd = minetest.registered_biomes[bn]
if bd._mcl_biome_type == "snowy" then return true end
if bd._mcl_biome_type == "cold" then
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if bn == "Taiga" and pos.y > 140 then return true end
if bn == "MegaSpruceTaiga" and pos.y > 100 then return true end
end
return false
end
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function mcl_weather.snow.set_sky_box()
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mcl_weather.skycolor.add_layer(
"weather-pack-snow-sky",
{{r=0, g=0, b=0},
{r=85, g=86, b=86},
{r=135, g=135, b=135},
{r=85, g=86, b=86},
{r=0, g=0, b=0}})
mcl_weather.skycolor.active = true
for _, player in pairs(get_connected_players()) do
player:set_clouds({color="#ADADADE8"})
end
mcl_weather.skycolor.active = true
end
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function mcl_weather.snow.clear()
mcl_weather.skycolor.remove_layer("weather-pack-snow-sky")
mcl_weather.snow.init_done = false
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mcl_weather.remove_all_spawners()
end
function mcl_weather.snow.add_player(player)
for i=1,2 do
psdef.texture="weather_pack_snow_snowflake"..i..".png"
mcl_weather.add_spawner_player(player,"snow"..i,psdef)
end
end
local timer = 0
minetest.register_globalstep(function(dtime)
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if mcl_weather.state ~= "snow" then
return false
end
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timer = timer + dtime;
if timer >= 0.5 then
timer = 0
else
return
end
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if mcl_weather.snow.init_done == false then
mcl_weather.snow.set_sky_box()
mcl_weather.snow.init_done = true
end
for _, player in pairs(get_connected_players()) do
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if mcl_weather.is_underwater(player) or not mcl_weather.has_snow(player:get_pos()) then
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mcl_weather.remove_spawners_player(player)
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mcl_weather.set_sky_box_clear(player)
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else
mcl_weather.snow.add_player(player)
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mcl_weather.snow.set_sky_box()
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end
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end
end)
-- register snow weather
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if mcl_weather.reg_weathers.snow == nil then
mcl_weather.reg_weathers.snow = {
clear = mcl_weather.snow.clear,
light_factor = 0.6,
-- 10min - 20min
min_duration = 600,
max_duration = 1200,
transitions = {
[65] = "none",
[80] = "rain",
[100] = "thunder",
}
}
end
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minetest.register_abm({
label = "Snow piles up",
nodenames = {"group:opaque","group:leaves","group:snow_cover"},
neighbors = {"air"},
interval = 27,
chance = 33,
action = function(pos, node, active_object_count, active_object_count_wider)
if node.name == "mcl_core:snowblock" then return end
local above = vector.offset(pos,0,1,0)
local above_node = minetest.get_node(above)
if above_node.name ~= "air" then return end
if (mcl_weather.state == "rain" or mcl_weather.state == "thunder" or mcl_weather.state == "snow") and mcl_weather.is_outdoor(pos) and mcl_weather.has_snow(pos) then
local nn = nil
if node.name:find("snow") then
local l = node.name:sub(-1)
l = tonumber(l)
if node.name == "mcl_core:snow" then
nn={name = "mcl_core:snow_2"}
elseif l and l < 7 then
nn={name="mcl_core:snow_"..tostring(math.min(8,l + 1))}
elseif l and l >= 7 then
nn={name = "mcl_core:snowblock"}
end
if nn then minetest.set_node(pos,nn) end
else
minetest.set_node(above,{name = "mcl_core:snow"})
end
end
end
})