refactor: moved weather files to separate dir

weathers/heavy_rain.lua

@@ -0,0 +1,211 @@
+------------------------------
+-- Happy Weather: Heavy Rain
+
+-- License: MIT
+
+-- Credits: xeranas
+------------------------------
+
+local heavy_rain = {}
+heavy_rain.last_check = 0
+heavy_rain.check_interval = 200
+
+-- Weather identification code
+heavy_rain.code = "heavy_rain"
+
+-- Keeps sound handler references
+local sound_handlers = {}
+
+-- Manual triggers flags
+local manual_trigger_start = false
+local manual_trigger_end = false
+
+-- Skycolor layer id
+local SKYCOLOR_LAYER = "happy_weather_heavy_rain_sky"
+
+heavy_rain.is_starting = function(dtime, position)
+	if heavy_rain.last_check + heavy_rain.check_interval < os.time() then
+		heavy_rain.last_check = os.time()
+		local heavy_rain_chance = 0.06
+		if hw_utils.is_biome_tropic(position) then
+			heavy_rain_chance = 0.4
+		end
+
+		if math.random() < heavy_rain_chance then
+			happy_weather.request_to_end("light_rain")
+      		happy_weather.request_to_end("rain")
+			return true
+		end
+	end
+
+	if manual_trigger_start then
+		manual_trigger_start = false
+		return true
+	end
+	
+	return false
+end
+
+heavy_rain.is_ending = function(dtime)
+	if heavy_rain.last_check + heavy_rain.check_interval < os.time() then
+		heavy_rain.last_check = os.time()
+		if math.random() < 0.7 then
+			if math.random() < 0.4 then
+				happy_weather.request_to_start("rain")
+			end
+			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=85, g=86, b=98},
+			{r=142, g=140, b=149},
+			{r=85, g=86, b=98},
+			{r=0, g=0, b=0}
+		},
+	}
+	sl.clouds_data = {
+		gradient_colors = {
+			{r=0, g=0, b=0},
+			{r=65, g=66, b=78},
+			{r=112, g=110, b=119},
+			{r=65, g=66, b=78},
+			{r=0, g=0, b=0}
+		},
+		speed = {z = 10, y = -40},
+		density = 0.6
+	}
+	skylayer.add_layer(player_name, sl)
+end
+
+local set_rain_sound = function(player) 
+	return minetest.sound_play("heavy_rain_drop", {
+		object = player,
+		max_hear_distance = 2,
+		loop = true,
+	})
+end
+
+local remove_rain_sound = function(player)
+	local sound = sound_handlers[player:get_player_name()]
+	if sound ~= nil then
+		minetest.sound_stop(sound)
+		sound_handlers[player:get_player_name()] = nil
+	end
+end
+
+heavy_rain.add_player = function(player)
+	sound_handlers[player:get_player_name()] = set_rain_sound(player)
+	set_sky_box(player:get_player_name())
+end
+
+heavy_rain.remove_player = function(player)
+	remove_rain_sound(player)
+	skylayer.remove_layer(player:get_player_name(), SKYCOLOR_LAYER)
+end
+
+local rain_drop_texture = "happy_weather_heavy_rain_drops.png"
+
+local add_close_range_rain_particle = function(player)
+	local offset = {
+		front = 1,
+		back = 0,
+		top = 6
+	}
+
+	local random_pos = hw_utils.get_random_pos(player, offset)
+	local rain_texture_size_offset_y = -1
+
+	if hw_utils.is_outdoor(random_pos, rain_texture_size_offset_y) then
+		minetest.add_particle({
+		  pos = {x=random_pos.x, y=random_pos.y, z=random_pos.z},
+		  velocity = {x=0, y=-10, z=0},
+		  acceleration = {x=0, y=-10, z=0},
+		  expirationtime = 5,
+		  size = 30,
+		  collisiondetection = true,
+		  collision_removal = true,
+		  vertical = true,
+		  texture = rain_drop_texture,
+		  playername = player:get_player_name()
+		})
+	end
+end
+
+local add_wide_range_rain_particle = function(player)
+	local offset = {
+		front = 10,
+		back = 5,
+		top = 8
+	}
+
+	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=0, y=-10, z=0},
+		  acceleration = {x=0, y=-15, z=0},
+		  expirationtime = 5,
+		  size = 30,
+		  collisiondetection = true,
+		  collision_removal = true,
+		  vertical = true,
+		  
+		  texture = rain_drop_texture,
+		  playername = player:get_player_name()
+		})
+	end
+end
+
+local display_rain_particles = function(player)
+	if hw_utils.is_underwater(player) then
+		return
+	end
+
+	add_close_range_rain_particle(player)
+  
+	local particles_number_per_update = 5
+	for i=particles_number_per_update, 1,-1 do
+		add_wide_range_rain_particle(player)
+	end
+end
+
+heavy_rain.render = function(dtime, player)
+	display_rain_particles(player)
+end
+
+heavy_rain.start = function()
+	manual_trigger_start = true
+end
+
+heavy_rain.stop = function()
+	manual_trigger_end = true
+end
+
+heavy_rain.in_area = function(position)
+	if hw_utils.is_biome_frozen(position) or 
+		hw_utils.is_biome_dry(position) then
+		return false
+	end
+
+	if position.y > -10 and position.y < 120 then
+		return true
+	end
+	return false
+end
+
+happy_weather.register_weather(heavy_rain)

weathers/light_rain.lua

@@ -0,0 +1,166 @@
+------------------------------ 
+-- Happy Weather: Light Rain
+
+-- License: MIT
+
+-- Credits: xeranas
+------------------------------
+
+local light_rain = {}
+light_rain.last_check = 0
+light_rain.check_interval = 200
+light_rain.chance = 0.15
+
+-- Weather identification code
+light_rain.code = "light_rain"
+
+-- Keeps sound handler references 
+local sound_handlers = {}
+
+-- Manual triggers flags
+local manual_trigger_start = false
+local manual_trigger_end = false
+
+-- Skycolor layer id
+local SKYCOLOR_LAYER = "happy_weather_light_rain_sky"
+
+light_rain.is_starting = function(dtime, position)
+	if light_rain.last_check + light_rain.check_interval < os.time() then
+		light_rain.last_check = os.time()
+		if math.random() < light_rain.chance then
+			return true
+		end
+	end
+
+	if manual_trigger_start then
+		manual_trigger_start = false
+		return true
+	end
+
+	return false
+end
+
+light_rain.is_ending = function(dtime)
+	if light_rain.last_check + light_rain.check_interval < os.time() then
+		light_rain.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.clouds_data = {
+		gradient_colors = {
+			{r=50, g=50, b=50},
+			{r=120, g=120, b=120},
+			{r=200, g=200, b=200},
+			{r=120, g=120, b=120},
+			{r=50, g=50, b=50}
+		},
+		density = 0.6
+	}
+	skylayer.add_layer(player_name, sl)
+end
+
+local set_rain_sound = function(player) 
+	return minetest.sound_play("light_rain_drop", {
+		object = player,
+		max_hear_distance = 2,
+		loop = true,
+	})
+end
+
+local remove_rain_sound = function(player)
+	local sound = sound_handlers[player:get_player_name()]
+	if sound ~= nil then
+		minetest.sound_stop(sound)
+		sound_handlers[player:get_player_name()] = nil
+	end
+end
+
+light_rain.add_player = function(player)
+	sound_handlers[player:get_player_name()] = set_rain_sound(player)
+	set_sky_box(player:get_player_name())
+end
+
+light_rain.remove_player = function(player)
+	remove_rain_sound(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_rain_raindrop_"
+	local number = math.random(1, 4)
+	local extension = ".png"
+	return base_name .. number .. extension
+end
+
+local add_rain_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=0, y=-10, z=0},
+			acceleration = {x=0, y=-30, z=0},
+			expirationtime = 2,
+			size = math.random(0.5, 3),
+			collisiondetection = true,
+			collision_removal = true,
+			vertical = true,
+			texture = choice_random_rain_drop_texture(),
+			playername = player:get_player_name()
+		})
+	end
+end
+
+local display_rain_particles = function(player)
+	if hw_utils.is_underwater(player) then
+		return
+	end
+
+	add_rain_particle(player)
+end
+
+light_rain.in_area = function(position)
+	if hw_utils.is_biome_frozen(position) or 
+		hw_utils.is_biome_dry(position) then
+		return false
+	end
+
+	if position.y > -10 and position.y < 120 then
+		return true
+	end
+	return false
+end
+
+light_rain.render = function(dtime, player)
+	display_rain_particles(player)
+end
+
+light_rain.start = function()
+	manual_trigger_start = true
+end
+
+light_rain.stop = function()
+	manual_trigger_end = true
+end
+
+happy_weather.register_weather(light_rain)

weathers/rain.lua

@@ -0,0 +1,183 @@
+------------------------------ 
+-- Happy Weather: Rain
+
+-- License: MIT
+
+-- Credits: xeranas
+------------------------------
+
+local rain = {}
+rain.last_check = 0
+rain.check_interval = 300
+rain.chance = 0.1
+
+-- Weather identification code
+rain.code = "rain"
+
+-- Keeps sound handler references 
+local sound_handlers = {}
+
+-- Manual triggers flags
+local manual_trigger_start = false
+local manual_trigger_end = false
+
+-- Skycolor layer id
+local SKYCOLOR_LAYER = "happy_weather_rain_sky"
+
+rain.is_starting = function(dtime, position)
+	if rain.last_check + rain.check_interval < os.time() then
+		rain.last_check = os.time()
+		if math.random() < rain.chance then
+			happy_weather.request_to_end("light_rain")
+			happy_weather.request_to_end("heavy_rain")
+			return true
+		end
+	end
+
+	if manual_trigger_start then
+		manual_trigger_start = false
+		return true
+	end
+
+	return false
+end
+
+rain.is_ending = function(dtime)
+	if rain.last_check + rain.check_interval < os.time() then
+		rain.last_check = os.time()
+		if math.random() < 0.6 then
+			happy_weather.request_to_start("light_rain")
+			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.layer_type = skylayer.SKY_PLAIN
+	sl.name = SKYCOLOR_LAYER
+	sl.sky_data = {
+		gradient_colors = {
+			{r=0, g=0, b=0},
+			{r=65, g=66, b=78},
+			{r=112, g=110, b=119},
+			{r=65, g=66, b=78},
+			{r=0, g=0, b=0}
+		},
+	}
+	sl.clouds_data = {
+		gradient_colors = {
+			{r=10, g=10, b=10},
+			{r=55, g=56, b=68},
+			{r=102, g=100, b=109},
+			{r=55, g=56, b=68},
+			{r=10, g=10, b=10}
+		},
+		density = 0.5
+	}
+	skylayer.add_layer(player_name, sl)
+end
+
+local set_rain_sound = function(player) 
+	return minetest.sound_play("rain_drop", {
+		object = player,
+		max_hear_distance = 2,
+		loop = true,
+	})
+end
+
+local remove_rain_sound = function(player)
+	local sound = sound_handlers[player:get_player_name()]
+	if sound ~= nil then
+		minetest.sound_stop(sound)
+		sound_handlers[player:get_player_name()] = nil
+	end
+end
+
+rain.add_player = function(player)
+	sound_handlers[player:get_player_name()] = set_rain_sound(player)
+	set_sky_box(player:get_player_name())
+end
+
+rain.remove_player = function(player)
+	remove_rain_sound(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_rain_raindrop_"
+	local number = math.random(1, 4)
+	local extension = ".png"
+	return base_name .. number .. extension
+end
+
+local add_rain_particle = function(player)
+	local offset = {
+		front = 5,
+		back = 2,
+		top = 6
+	}
+
+	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=0, y=-15, z=0},
+			acceleration = {x=0, y=-35, z=0},
+			expirationtime = 2,
+			size = math.random(1, 4),
+			collisiondetection = true,
+			collision_removal = true,
+			vertical = true,
+			texture = choice_random_rain_drop_texture(),
+			playername = player:get_player_name()
+		})
+	end
+end
+
+local display_rain_particles = function(player)
+	if hw_utils.is_underwater(player) then
+		return
+	end
+
+	add_rain_particle(player)
+end
+
+rain.in_area = function(position)
+	if hw_utils.is_biome_frozen(position) or 
+		hw_utils.is_biome_dry(position) then
+		return false
+	end
+
+	if position.y > -10 and position.y < 120 then
+		return true
+	end
+	return false
+end
+
+local particles_number_per_update = 10
+rain.render = function(dtime, player)
+
+	for i=particles_number_per_update, 1,-1 do
+		display_rain_particles(player)
+	end
+end
+
+rain.start = function()
+	manual_trigger_start = true
+end
+
+rain.stop = function()
+	manual_trigger_end = true
+end
+
+happy_weather.register_weather(rain)

weathers/snow.lua

@@ -0,0 +1,144 @@
+------------------------------
+-- 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)

weathers/snowstorm.lua

@@ -0,0 +1,164 @@
+----------------------------
+-- Happy Weather: Snowfall
+
+-- License: MIT
+
+-- Credits: xeranas
+----------------------------
+
+local snowstorm = {}
+
+-- Weather identification code
+snowstorm.code = "snowstorm"
+snowstorm.last_check = 0
+snowstorm.check_interval = 5
+snowstorm.chance = 1
+
+-- Keeps sound handler references
+local sound_handlers = {}
+
+-- Manual triggers flags
+local manual_trigger_start = false
+local manual_trigger_end = false
+
+-- Skycolor layer id
+local SKYCOLOR_LAYER = "happy_weather_snowstorm_sky"
+
+local set_weather_sound = function(player) 
+	return minetest.sound_play("happy_weather_snowstorm", {
+		object = player,
+		max_hear_distance = 2,
+		loop = true,
+	})
+end
+
+local remove_weather_sound = function(player)
+	local sound = sound_handlers[player:get_player_name()]
+	if sound ~= nil then
+		minetest.sound_stop(sound)
+		sound_handlers[player:get_player_name()] = nil
+	end
+end
+
+snowstorm.is_starting = function(dtime, position)
+	if snowstorm.last_check + snowstorm.check_interval < os.time() then
+		snowstorm.last_check = os.time()
+		if math.random() < snowstorm.chance then
+			return true
+		end
+	end
+
+	if manual_trigger_start then
+		manual_trigger_start = false
+		return true
+	end
+	
+	return false
+end
+
+snowstorm.is_ending = function(dtime)
+	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.layer_type = skylayer.SKY_PLAIN
+	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
+
+snowstorm.in_area = function(position)
+	if hw_utils.is_biome_frozen(position) == false then
+		return false
+	end
+
+	if position.y > 30 and position.y < 140 then
+		return true
+	end
+	return false
+end
+
+snowstorm.add_player = function(player)
+	sound_handlers[player:get_player_name()] = set_weather_sound(player)
+	set_sky_box(player:get_player_name())
+end
+
+snowstorm.remove_player = function(player)
+	remove_weather_sound(player)
+	skylayer.remove_layer(player:get_player_name(), SKYCOLOR_LAYER)
+end
+
+local rain_drop_texture = "happy_weather_snowstorm.png"
+
+local sign = function (number)
+	if number >= 0 then
+		return 1
+	else
+		return -1
+	end
+end
+
+local add_wide_range_rain_particle = function(player)
+	local offset = {
+		front = 7,
+		back = 4,
+		top = 3,
+		bottom = 0
+	}
+
+	local random_pos = hw_utils.get_random_pos(player, offset)
+	local p_pos = player:getpos()
+
+	local look_dir = player:get_look_dir()
+
+	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 = sign(look_dir.x) * -10, y = -1, z = sign(look_dir.z) * -10},
+		  	acceleration = {x = sign(look_dir.x) * -10, y = -1, z = sign(look_dir.z) * -10},
+		  	expirationtime = 0.3,
+		  	size = 30,
+		  	collisiondetection = true,
+		  	texture = "happy_weather_snowstorm.png",
+		  	playername = player:get_player_name()
+		})
+	end
+end
+
+local display_particles = function(player)
+	if hw_utils.is_underwater(player) then
+		return
+	end
+
+	local particles_number_per_update = 3
+	for i=particles_number_per_update, 1,-1 do
+		add_wide_range_rain_particle(player)
+	end
+end
+
+snowstorm.render = function(dtime, player)
+	display_particles(player)
+end
+
+snowstorm.start = function()
+	manual_trigger_start = true
+end
+
+snowstorm.stop = function()
+	manual_trigger_end = true
+end
+
+happy_weather.register_weather(snowstorm)
+

weathers/thunder.lua

@@ -0,0 +1,91 @@
+----------------------------------------------------------------
+-- Happy Weather: Thunder
+
+-- License: MIT
+
+-- Credits: xeranas
+
+-- See also: lightning mod for actual lightning effect, sounds.  
+----------------------------------------------------------------
+
+local thunder = {}
+thunder.last_check = 0
+thunder.check_interval = 100
+thunder.chance = 0.8
+
+-- Weather identification code
+thunder.code = "thunder"
+
+local thunder_target_weather_code = "heavy_rain"
+
+-- Manual triggers flags
+local manual_trigger_start = false
+local manual_trigger_end = false
+
+-- Thunder weather appearance control
+local thunder_weather_chance = 5 -- 5 percent appearance during heavy rain
+local thunder_weather_next_check = 0
+local thunder_weather_check_delay = 600 -- to avoid checks continuously
+
+thunder.is_starting = function(dtime)
+	thunder.next_strike = 0
+	thunder.min_delay = 5
+	thunder.max_delay = math.random(5, 45)
+
+	if thunder.last_check + thunder.check_interval < os.time() then
+		thunder.last_check = os.time()
+		if math.random() < thunder.chance and happy_weather.is_weather_active("heavy_rain") then
+			return true
+		end
+	end
+
+	if manual_trigger_start then
+		manual_trigger_start = false
+		return true
+	end
+	
+	return false
+end
+
+thunder.is_ending = function(dtime)
+	if thunder.last_check + thunder.check_interval < os.time() then
+		thunder.last_check = os.time()
+		if math.random() < 0.4 or happy_weather.is_weather_active("heavy_rain") == false then
+			return true
+		end
+	end
+
+	if manual_trigger_end then
+		manual_trigger_end = false
+		return true
+	end
+
+	return false
+end
+
+local calculate_thunder_strike_delay = function()
+	local delay = math.random(thunder.min_delay, thunder.max_delay)
+	thunder.next_strike = os.time() + delay
+end
+
+thunder.render = function(dtime, player)
+	local player_name = player:get_player_name()
+	if happy_weather.is_player_in_weather_area(player_name, "heavy_rain") == false then
+		return
+	end
+
+	if thunder.next_strike <= os.time() then
+		lightning.strike()
+		calculate_thunder_strike_delay()
+	end
+end
+
+thunder.start = function()
+	manual_trigger_start = true
+end
+
+thunder.stop = function()
+	manual_trigger_end = true
+end
+
+happy_weather.register_weather(thunder)