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VoxeLibre/mods/ENVIRONMENT/weather_pack/snow.lua

91 lines
2.3 KiB
Lua

snow = {}
snow.particles_count = 15
snow.init_done = false
-- calculates coordinates and draw particles for snow weather
snow.add_rain_particles = function(player)
rain.last_rp_count = 0
for i=snow.particles_count, 1,-1 do
local random_pos_x, random_pos_y, random_pos_z = weather.get_random_pos_by_player_look_dir(player)
random_pos_y = math.random() + math.random(player:getpos().y - 1, player:getpos().y + 7)
if minetest.get_node_light({x=random_pos_x, y=random_pos_y, z=random_pos_z}, 0.5) == 15 then
rain.last_rp_count = rain.last_rp_count + 1
minetest.add_particle({
pos = {x=random_pos_x, y=random_pos_y, z=random_pos_z},
velocity = {x = math.random(-1,-0.5), y = math.random(-2,-1), z = math.random(-1,-0.5)},
acceleration = {x = math.random(-1,-0.5), y=-0.5, z = math.random(-1,-0.5)},
expirationtime = 2.0,
size = math.random(0.5, 2),
collisiondetection = true,
collision_removal = true,
vertical = true,
texture = snow.get_texture(),
playername = player:get_player_name()
})
end
end
end
snow.set_sky_box = function()
skycolor.add_layer(
"weather-pack-snow-sky",
{{r=0, g=0, b=0},
{r=241, g=244, b=249},
{r=0, g=0, b=0}}
)
skycolor.active = true
end
snow.clear = function()
skycolor.remove_layer("weather-pack-snow-sky")
snow.init_done = false
end
-- Simple random texture getter
snow.get_texture = function()
local texture_name
local random_number = math.random()
if random_number > 0.5 then
texture_name = "weather_pack_snow_snowflake1.png"
else
texture_name = "weather_pack_snow_snowflake2.png"
end
return texture_name;
end
local timer = 0
minetest.register_globalstep(function(dtime)
if weather.state ~= "snow" then
return false
end
timer = timer + dtime;
if timer >= 0.5 then
timer = 0
else
return
end
if snow.init_done == false then
snow.set_sky_box()
snow.init_done = true
end
for _, player in ipairs(minetest.get_connected_players()) do
if (weather.is_underwater(player)) then
return false
end
snow.add_rain_particles(player)
end
end)
-- register snow weather
if weather.reg_weathers.snow == nil then
weather.reg_weathers.snow = {
chance = 10,
clear = snow.clear
}
end