Enable shadows, increase puddle transparency, tweak player speed buffs

abms/puddle.lua

@@ -53,7 +53,7 @@ for i = 1, VARIANT_COUNT do
 		local name = BLOCK_PREFIX .. i
 		local index = i
 		if i < 10 then index = "0" .. i end
-		local texture = "weather_puddle_" .. index .. ".png^[opacity:128"
+		local texture = "weather_puddle_" .. index .. ".png^[opacity:24"
 		if flip == 1 then
 			name = name .. "_flipped"
 			texture = texture .. "^[transformFX"

ca_weathers/ambient.lua

@@ -12,21 +12,47 @@ local function calc_cloud_height(heat, humidity, dewpoint)
 	return base + climate_api.utility.rangelim(variation, -scale, scale)
 end
 
+-- maps range of 0 to 1 to any other range
+local function map_range(val, low, high)
+	return (val + low) * (high - low)
+end
+
 local function generate_effects(params)
 	local override = {}
 
+	local cloud_density = climate_api.utility.rangelim(params.humidity / 100, 0.15, 0.65)
+	local cloud_thickness = climate_api.utility.rangelim(params.base_humidity * 0.2, 1, 18)
 	local cloud_height = calc_cloud_height(params.heat, params.humidity, params.dewpoint)
 	local wind = climate_api.environment.get_wind({ x = 0, y = cloud_height, z = 0 })
 
+	-- diffuse shadows when cloudy
+	-- zero at density 0.65 and one at 0.15
+	local cloud_shadows = 1.075 - (cloud_density / 0.5)
+
+	-- diffuse shadows at dawn / dusk
+	-- 15 hours between dawn and dusk accoring to https://wiki.minetest.net/Time_of_day
+	local daylight_duration = 15 / 24
+	local daytime = climate_api.utility.rangelim(minetest.get_timeofday(), 0.1875, 0.8125)
+	-- zero at dawn / dusk and one at midday
+	local daytime_shadows = 1 - (math.abs(0.5 - daytime) * 2 / daylight_duration)
+
+	local shadow_intensity = map_range(cloud_shadows + daytime_shadows, 0.15, 0.5)
+	local light_saturation = map_range(cloud_shadows + daytime_shadows, 0.8, 1.2)
+
 	local skybox = {priority = 10}
 	skybox.cloud_data = {
-		density = climate_api.utility.rangelim(params.humidity / 100, 0.15, 0.65),
+		density = cloud_density,
 		speed = wind,
-		thickness = climate_api.utility.rangelim(params.base_humidity * 0.2, 1, 18),
+		thickness = cloud_thickness,
 		height = cloud_height,
 		ambient = "#0f0f1050"
 	}
 
+	skybox.light_data = {
+		shadow_intensity = shadow_intensity,
+		saturation = light_saturation
+	}
+
 	if params.height > -100 and params.humidity > 40 then
 		skybox.cloud_data.color  = "#b2a4a4b0"
 	end
@@ -50,6 +76,7 @@ local function generate_effects(params)
 
 	override["climate_api:skybox"] = skybox
 
+	if params.height > - 50 and not params.indoors then
 		local movement = params.player:get_velocity()
 		local movement_direction
 		if (vector.length(movement) < 0.1) then
@@ -60,6 +87,8 @@ local function generate_effects(params)
 		local vector_product = vector.dot(movement_direction, wind)
 		local movement_penalty = climate_api.utility.sigmoid(vector_product, 1.5, 0.15, 0.9) + 0.2
 		override["regional_weather:speed_buff"] = movement_penalty
+	end
+	
 	return override
 end
 

ca_weathers/deep_cave.lua

@@ -18,6 +18,10 @@ effects["climate_api:skybox"] = {
 	},
 	moon_data = { visible = false },
 	star_data = { visible = false },
+	light_data = {
+		shadow_intensity = 0,
+		saturation = 1
+	},
 	priority = 100
 }
 

init.lua

@@ -19,7 +19,7 @@ end
 
 regional_weather = {}
 regional_weather.settings = {}
-regional_weather.settings.player_speed	= get_setting_bool("player_speed", true)
+regional_weather.settings.player_speed	= get_setting_bool("player_speed", false)
 regional_weather.settings.snow					= get_setting_bool("snow_layers", true)
 regional_weather.settings.snow_griefing	= get_setting_bool("snow_griefing", true)
 regional_weather.settings.puddles				= get_setting_bool("puddles", true)

mod.conf

@@ -1,7 +1,6 @@
 name = regional_weather
 title = Regional Weather
 author = TestificateMods
-release = 100000
 depends = climate_api
 optional_depends = default, lightning, farming, fire, pedology
 description = """

settingtypes.txt

@@ -1,7 +1,7 @@
 [Features]
 
 # If set to true, wind will boost or penalize player movements based on direction.
-regional_weather_player_speed (Change movement speed based on wind) bool true
+regional_weather_player_speed (Change movement speed based on wind) bool false
 
 # If set to true, snow layers will stack up during snowy weather.
 regional_weather_snow_layers (Place snow layers) bool true