Update to new particle API, improve night visibility, move damage effect, improve cloud height calculation

ca_weathers/ambient.lua

@@ -3,17 +3,33 @@ local CLOUD_SPEED = 1.8
 
 local conditions = {}
 
+-- see https://en.wikipedia.org/wiki/Cloud_base
+local function calc_cloud_height(heat, humidity, dewpoint)
+	local base = regional_weather.settings.cloud_height
+	-- much lower scale like 20 instead of 1000 fitting for Minetest
+	local scale = regional_weather.settings.cloud_scale
+	local spread = heat - dewpoint
+	local variation = spread / 4.4 * scale * 0.3
+	return base + climate_api.utility.rangelim(variation, -scale, scale)
+end
+
 local function generate_effects(params)
 	local override = {}
 	local wind = climate_api.environment.get_wind()
 
 	local skybox = {priority = 10}
 	skybox.cloud_data = {
-		density = climate_api.utility.rangelim(params.humidity / 100, 0.25, 0.75),
+		density = climate_api.utility.rangelim(params.humidity / 100, 0.15, 0.65),
 		speed = vector.multiply(wind, CLOUD_SPEED),
-		thickness = climate_api.utility.rangelim(params.base_humidity * 0.2, 1, 18)
+		thickness = climate_api.utility.rangelim(params.base_humidity * 0.2, 1, 18),
+		height = calc_cloud_height(params.heat, params.humidity, params.dewpoint),
+		ambient = "#0f0f1050"
 	}
 
+	if params.height > -100 and params.humidity > 40 then
+		skybox.cloud_data.color  = "#b2a4a4b0"
+	end
+
 	if params.height > -100 and params.humidity > 65 then
 		skybox.sky_data = {
 			type = "regular",
@@ -27,6 +43,8 @@ local function generate_effects(params)
 				night_horizon = "#315d9b"
 			}
 		}
+		skybox.cloud_data.color = "#828e97b5"
+		skybox.cloud_data.ambient = "#20212250"
 	end
 
 	override["climate_api:skybox"] = skybox

ca_weathers/hail.lua

@@ -11,9 +11,14 @@ local conditions = {
 
 local effects = {}
 
-effects["regional_weather:damage"] = {
+effects["climate_api:damage"] = {
 	chance = 15,
-	value = 3
+	value = 3,
+	check = {
+		type = "raycast",
+		height = 7,
+		velocity = 20
+	}
 }
 
 effects["climate_api:sound"] = {
@@ -21,18 +26,19 @@ effects["climate_api:sound"] = {
 	gain = 1
 }
 
-effects["climate_api:particles"] = {
-	min_pos = {x=-9, y=7, z=-9},
-	max_pos = {x= 9, y=7, z= 9},
-	falling_speed=20,
-	amount=6,
-	exptime=0.7,
-	size=1,
-	textures = {}
-}
-
-for i = 1,5,1 do
-	effects["climate_api:particles"].textures[i] = "weather_hail" .. i .. ".png"
+local textures = {}
+for i = 1,5 do
+	textures[i] = "weather_hail" .. i .. ".png"
 end
 
+effects["climate_api:particles"] = {
+	boxsize = { x = 18, y = 0, z = 18},
+	v_offset = 7,
+	velocity = 20,
+	amount = 6,
+	expirationtime = 0.7,
+	texture = textures,
+	glow = 5
+}
+
 climate_api.register_weather(name, conditions, effects)

ca_weathers/pollen.lua

@@ -34,14 +34,15 @@ local conditions = {
 local effects = {}
 
 effects["climate_api:particles"] = {
-	min_pos = {x=-12, y=-4, z=-12},
-	max_pos = {x= 12, y= 1, z= 12},
-	falling_speed = -0.1,
-	acceleration = {x=0,y=-0.03,z=0},
-	amount = 1,
-	exptime = 5,
+	boxsize = { x = 24, y = 0, z = 24 },
+	vbox = 5,
+	v_offset = -1,
+	velocity = -0.1,
+	acceleration = -0.03,
+	expirationtime = 5,
 	size = 0.8,
-	texture = "weather_pollen.png"
+	texture = "weather_pollen.png",
+	glow = 2
 }
 
 climate_api.register_weather(name, conditions, effects)

ca_weathers/rain.lua

@@ -17,14 +17,15 @@ effects["climate_api:sound"] = {
 }
 
 effects["climate_api:particles"] = {
-	min_pos = {x=-9, y=8, z=-9},
-	max_pos = {x= 9, y=6, z= 9},
-	exptime = 1.1,
+	boxsize = { x = 18, y = 2, z = 18 },
+	v_offset = 6,
+	expirationtime = 1.6,
 	size = 2,
 	amount = 15,
-	falling_speed = 6,
-	acceleration={x=0, y=-0.05, z=0},
-	texture = "weather_raindrop.png"
+	velocity = 6,
+	acceleration = 0.05,
+	texture = "weather_raindrop.png",
+	glow = 5
 }
 
 climate_api.register_weather(name, conditions, effects)

ca_weathers/rain_heavy.lua

@@ -10,24 +10,32 @@ local conditions = {
 
 local effects = {}
 
+effects["climate_api:skybox"] = {
+	cloud_data = {
+		color = "#5e676eb5"
+	},
+	priority = 11
+}
+
 effects["climate_api:sound"] = {
 	name = "weather_rain_heavy",
 	gain = 1
 }
 
 effects["climate_api:particles"] = {
-	min_pos = {x=-9, y=7, z=-9},
-	max_pos = {x= 9, y=7, z= 9},
-	falling_speed=7,
-	amount=17,
-	exptime=0.8,
-	min_size=25,
-	max_size=35,
-	textures={
+	boxsize = { x = 18, y = 0, z = 18 },
+	v_offset = 7,
+	velocity = 7,
+	amount = 17,
+	expirationtime = 1.2,
+	minsize = 25,
+	maxsize = 35,
+	texture = {
 		"weather_rain.png",
 		"weather_rain.png",
 		"weather_rain_medium.png"
-	}
+	},
+	glow = 5
 }
 
 climate_api.register_weather(name, conditions, effects)

ca_weathers/sandstorm.lua

@@ -24,22 +24,28 @@ effects["climate_api:hud_overlay"] = {
 	color_correction = true
 }
 
-effects["regional_weather:damage"] = {
+effects["climate_api:damage"] = {
 	chance = 3,
-	value = 1
+	value = 1,
+	check = {
+		type = "raycast",
+		height = 0,
+		velocity = 0.3
+	}
 }
 
 effects["climate_api:particles"] = {
-	min_pos = {x=-5, y=-4, z=-5},
-	max_pos = {x= 5, y= 4.5, z= 5},
-	falling_speed=1.2,
-	acceleration={x=0,y=0.8,z=0},
-	amount=40,
-	exptime=1.8,
-	size=20,
-	textures={
+	boxsize = { x = 8, y = 4.5, z = 8 },
+	velocity = 0.6,
+	acceleration = -0.2,
+	amount = 12,
+	expirationtime = 0.7,
+	size = 25,
+	texture = {
 		"weather_sandstorm.png",
-		"weather_sandstorm.png^[transformR180"
+		"weather_sandstorm.png^[transformFY",
+		"weather_sandstorm.png^[transformR180",
+		"weather_sandstorm.png^[transformFYR180"
 	}
 }
 

ca_weathers/snow.lua

@@ -11,19 +11,20 @@ local conditions = {
 
 local effects = {}
 
-effects["climate_api:particles"] = {
-	min_pos = {x=-12, y=2, z=-12},
-	max_pos = {x= 12, y=8, z= 12},
-	amount = 4,
-	exptime = 7,
-	size = 1,
-	falling_speed = 0.85,
-	acceleration = {x=0, y=0.06, z=0},
-	textures = {}
-}
-
+local textures = {}
 for i = 1,12,1 do
-	effects["climate_api:particles"].textures[i] = "weather_snowflake" .. i .. ".png"
+	textures[i] = "weather_snowflake" .. i .. ".png"
 end
 
+effects["climate_api:particles"] = {
+	boxsize = { x = 24, y = 6, z = 24 },
+	v_offset = 2,
+	amount = 4,
+	expirationtime = 7,
+	velocity = 0.85,
+	acceleration = -0.06,
+	texture = textures,
+	glow = 6
+}
+
 climate_api.register_weather(name, conditions, effects)

ca_weathers/snow_heavy.lua

@@ -10,6 +10,13 @@ local conditions = {
 
 local effects = {}
 
+effects["climate_api:skybox"] = {
+	cloud_data = {
+		color = "#5e676eb5"
+	},
+	priority = 11
+}
+
 effects["climate_api:hud_overlay"] = {
 	file = "weather_hud_frost.png",
 	z_index = -100,
@@ -17,13 +24,14 @@ effects["climate_api:hud_overlay"] = {
 }
 
 effects["climate_api:particles"] = {
-	min_pos = {x=-7, y=3, z=-7},
-	max_pos = {x= 7, y=6, z= 7},
-	exptime=7.5,
-	size=15,
-	amount=6,
-	falling_speed = 0.75,
-	texture="weather_snow.png"
+	boxsize = { x = 14, y = 3, z = 14 },
+	v_offset = 3,
+	expirationtime = 7.5,
+	size = 15,
+	amount = 6,
+	velocity = 0.75,
+	texture = "weather_snow.png",
+	glow = 6
 }
 
 climate_api.register_weather(name, conditions, effects)