Tweak fog effect, add puddle variants, imrove frost HUD

abms/fire.lua

@@ -6,6 +6,7 @@ climate_api.register_abm({
 	nodenames = { "fire:basic_flame" },
 	interval	= 10,
 	chance		= 2,
+	catch_up	= false,
 
 	 conditions	= {
 		 min_height		= regional_weather.settings.min_height,

abms/ice.lua

@@ -27,6 +27,7 @@ climate_api.register_abm({
 	neighbors	= { "air" },
 	interval	= 10,
 	chance		= 2,
+	catch_up	= false,
 
 	 conditions	= {
 		 min_height		= regional_weather.settings.min_height,
@@ -46,6 +47,7 @@ climate_api.register_abm({
 	neighbors	= { "air" },
 	interval	= 15,
 	chance		= 4,
+	catch_up	= true,
 
 	 conditions	= {
 		 min_height		= regional_weather.settings.min_height,

abms/puddle.lua

@@ -1,13 +1,13 @@
--- code of this file is partially taken from and otherwise inspired by
--- mymonths on https://github.com/minetest-mods/mymonths (licensed under DWYWPL)
--- contributers available at https://github.com/minetest-mods/mymonths/graphs/contributors
--- all changes of mine remain under LGPL v3
-
-local BLOCK_NAME = "regional_weather:puddle"
-local MIN_DISTANCE = 12
+local BLOCK_PREFIX = "regional_weather:puddle_"
+local VARIANT_COUNT = 30
+local MIN_DISTANCE = 2
 
 if not regional_weather.settings.puddles then
-	minetest.register_alias(BLOCK_NAME, "air")
+	for i=1,VARIANT_COUNT do
+		for r=0,270,90  do
+			minetest.register_alias(BLOCK_PREFIX .. i .. "_" .. r, "air")
+		end
+	end
 	return
 end
 
@@ -16,27 +16,59 @@ local node_box = {
 	fixed = {-0.5, -0.5, -0.5, 0.5, -0.49, 0.5}
 }
 
-minetest.register_node(BLOCK_NAME, {
-	tiles = { "weather_puddle.png" },
-	drawtype = "nodebox",
-	pointable = false,
-	buildable_to = true,
-	floodable = true,
-	walkable = false,
-	sunlight_propagates = true,
-	paramtype = "light",
-	use_texture_alpha = true,
-	node_box = node_box,
-	groups = {
-		not_in_creative_inventory = 1,
-		crumbly = 3,
-		attached_node = 1,
-		slippery = 1,
-		flora = 1,
-		water = 1
-	},
-	drop = "",
-})
+for i = 1,VARIANT_COUNT do
+	for rotation = 0,270,90 do
+		for flip = 0,1 do
+			local name = BLOCK_PREFIX .. i .. "_" .. rotation
+			local texture = "weather_puddle." .. i .. ".png^[opacity:128"
+			if flip == 1 or rotation > 0 then
+				texture = texture .. "^[transform"
+			end
+			if flip == 1 then
+				name = name .. "_flipped"
+				texture = texture .. "FX"
+			end
+			if rotation > 0 then
+				texture = texture .. "R" .. rotation
+			end
+			minetest.register_node(name, {
+				tiles = { texture },
+				drawtype = "nodebox",
+				pointable = false,
+				buildable_to = true,
+				floodable = true,
+				walkable = false,
+				sunlight_propagates = true,
+				paramtype = "light",
+				use_texture_alpha = true,
+				node_box = node_box,
+				groups = {
+					not_in_creative_inventory = 1,
+					crumbly = 3,
+					attached_node = 1,
+					slippery = 1,
+					flora = 1,
+					water = 1,
+					regional_weather_puddle = 1
+				},
+				drop = "",
+			})
+		end
+	end
+end
+
+minetest.register_alias("regional_weather:puddle", BLOCK_PREFIX .. "14_0")
+
+local function get_random_puddle()
+	local index = math.random(1, VARIANT_COUNT)
+	local rotation = math.random(0, 3) * 90
+	local flip = math.random(0, 1)
+	local name = BLOCK_PREFIX .. index .. "_" .. rotation
+	if flip == 1 then
+		name = name .. "_flipped"
+	end
+	return name
+end
 
 -- Makes Puddles when raining
 climate_api.register_abm({
@@ -45,6 +77,7 @@ climate_api.register_abm({
 	neighbors	= { "air" },
 	interval	= 10,
 	chance		= 50,
+	catch_up	= false,
 
 	 conditions	= {
 		 min_height		= regional_weather.settings.min_height,
@@ -60,17 +93,19 @@ climate_api.register_abm({
 
    action = function (pos, node, env)
 		 if minetest.get_node(pos).name ~= "air" then return end
-		 if minetest.find_node_near(pos, MIN_DISTANCE, BLOCK_NAME) then return end
-		 minetest.set_node(pos, {name = BLOCK_NAME})
+		 if minetest.find_node_near(pos, MIN_DISTANCE, "group:regional_weather_puddle") then return end
+		 local puddle_name = get_random_puddle()
+		 minetest.set_node(pos, {name = puddle_name})
 	 end
 })
 
 -- Makes puddles dry up when not raining
 climate_api.register_abm({
 	label = "remove rain puddles",
-	nodenames	= { BLOCK_NAME },
+	nodenames	= { "group:regional_weather_puddle" },
 	interval	= 5,
 	chance		= 5,
+	catch_up	= true,
 
 	action = function (pos, node, env)
 		if env.humidity < 55 then
@@ -79,4 +114,4 @@ climate_api.register_abm({
 			minetest.set_node(pos, {name = "regional_weather:snow_cover_1"})
     end
 	end
-})
+})

abms/snow_cover.lua

@@ -1,8 +1,3 @@
--- code of this file is partially taken from and otherwise inspired by
--- mymonths on https://github.com/minetest-mods/mymonths (licensed under DWYWPL)
--- contributers available at https://github.com/minetest-mods/mymonths/graphs/contributors
--- all changes of mine remain under LGPL v3
-
 local BLOCK_PREFIX = "regional_weather:snow_cover_"
 
 if not minetest.get_modpath("default")
@@ -66,7 +61,8 @@ climate_api.register_abm({
 	},
 	neighbors	= { "air" },
 	interval	= 15,
-	chance		= 20,
+	chance		= 30,
+	catch_up	= false,
 
 	 conditions	= {
 		 min_height		= regional_weather.settings.min_height,
@@ -100,7 +96,8 @@ climate_api.register_abm({
 		"group:regional_weather_snow_cover"
 	},
 	interval	= 15,
-	chance		= 15,
+	chance		= 25,
+	catch_up	= false,
 
 	 conditions	= {
 		 min_height		= regional_weather.settings.min_height,
@@ -125,6 +122,7 @@ climate_api.register_abm({
 	nodenames	= { "group:regional_weather_snow_cover" },
 	interval	= 15,
 	chance		= 10,
+	catch_up	= true,
 
 	 conditions	= {
 		 min_heat = 30

abms/soil.lua

@@ -7,6 +7,7 @@ if farming ~= nil and farming.mod == "redo" then
 		nodenames = { "farming:soil" },
 		interval	= 8,
 		chance		= 2,
+		catch_up	= false,
 
 		 conditions	= {
 			 min_height		= regional_weather.settings.min_height,
@@ -27,6 +28,7 @@ else
 		nodenames = { "group:field" },
 		interval	= 8,
 		chance		= 2,
+		catch_up	= false,
 
 		 conditions	= {
 			 min_height		= regional_weather.settings.min_height,