forked from mtcontrib/weather_pack
144 lines
2.9 KiB
Lua
144 lines
2.9 KiB
Lua
------------------------------
|
|
-- Happy Weather: Light Rain
|
|
|
|
-- License: MIT
|
|
|
|
-- Credits: xeranas
|
|
------------------------------
|
|
|
|
local snow = {}
|
|
snow.last_check = 0
|
|
snow.check_interval = 200
|
|
snow.chance = 0.2
|
|
|
|
-- Weather identification code
|
|
snow.code = "snow"
|
|
|
|
-- Manual triggers flags
|
|
local manual_trigger_start = false
|
|
local manual_trigger_end = false
|
|
|
|
-- Skycolor layer id
|
|
local SKYCOLOR_LAYER = "happy_weather_snow_sky"
|
|
|
|
snow.is_starting = function(dtime, position)
|
|
if snow.last_check + snow.check_interval < os.time() then
|
|
snow.last_check = os.time()
|
|
if math.random() < snow.chance then
|
|
return true
|
|
end
|
|
end
|
|
|
|
if manual_trigger_start then
|
|
manual_trigger_start = false
|
|
return true
|
|
end
|
|
|
|
return false
|
|
end
|
|
|
|
snow.is_ending = function(dtime)
|
|
if snow.last_check + snow.check_interval < os.time() then
|
|
snow.last_check = os.time()
|
|
if math.random() < 0.5 then
|
|
return true
|
|
end
|
|
end
|
|
|
|
if manual_trigger_end then
|
|
manual_trigger_end = false
|
|
return true
|
|
end
|
|
|
|
return false
|
|
end
|
|
|
|
local set_sky_box = function(player_name)
|
|
local sl = {}
|
|
sl.name = SKYCOLOR_LAYER
|
|
sl.sky_data = {
|
|
gradient_colors = {
|
|
{r=0, g=0, b=0},
|
|
{r=231, g=234, b=239},
|
|
{r=0, g=0, b=0}
|
|
}
|
|
}
|
|
skylayer.add_layer(player_name, sl)
|
|
end
|
|
|
|
snow.add_player = function(player)
|
|
set_sky_box(player:get_player_name())
|
|
end
|
|
|
|
snow.remove_player = function(player)
|
|
skylayer.remove_layer(player:get_player_name(), SKYCOLOR_LAYER)
|
|
end
|
|
|
|
-- Random texture getter
|
|
local choice_random_rain_drop_texture = function()
|
|
local base_name = "happy_weather_light_snow_snowflake_"
|
|
local number = math.random(1, 3)
|
|
local extension = ".png"
|
|
return base_name .. number .. extension
|
|
end
|
|
|
|
local add_particle = function(player)
|
|
local offset = {
|
|
front = 5,
|
|
back = 2,
|
|
top = 4
|
|
}
|
|
|
|
local random_pos = hw_utils.get_random_pos(player, offset)
|
|
|
|
if hw_utils.is_outdoor(random_pos) then
|
|
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 = choice_random_rain_drop_texture(),
|
|
playername = player:get_player_name()
|
|
})
|
|
end
|
|
end
|
|
|
|
local display_particles = function(player)
|
|
if hw_utils.is_underwater(player) then
|
|
return
|
|
end
|
|
|
|
add_particle(player)
|
|
end
|
|
|
|
local particles_number_per_update = 10
|
|
snow.render = function(dtime, player)
|
|
for i=particles_number_per_update, 1,-1 do
|
|
display_particles(player)
|
|
end
|
|
end
|
|
|
|
snow.in_area = function(position)
|
|
if hw_utils.is_biome_frozen(position) == false then
|
|
return false
|
|
end
|
|
|
|
if position.y > -10 and position.y < 120 then
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
snow.start = function()
|
|
manual_trigger_start = true
|
|
end
|
|
|
|
snow.stop = function()
|
|
manual_trigger_end = true
|
|
end
|
|
|
|
happy_weather.register_weather(snow) |