Add new textures, tweak effects, add fog and freezing of river water

abms/ice.lua

@@ -0,0 +1,60 @@
+if not regional_weather.settings.ice
+or not minetest.get_modpath("default")
+or default.node_sound_glass_defaults == nil
+then return end
+
+local BLOCK_NAME = "regional_weather:ice"
+
+minetest.register_node(BLOCK_NAME, {
+	tiles = {"(default_ice.png^[colorize:#ffffff:50)^[opacity:200"},
+	paramtype = "light",
+	groups = {cracky = 3, cools_lava = 1, slippery = 3, dig_immediate = 2},
+	sounds = default.node_sound_glass_defaults(),
+	use_texture_alpha = true,
+	drop = "",
+	on_destruct = function(pos)
+		-- asynchronous to avoid destruction loop
+		minetest.after(0, function(pos)
+			if minetest.get_node(pos).name ~= "air" then return end
+			minetest.set_node(pos, { name = "default:river_water_source" })
+		end, pos)
+	end
+})
+
+climate_api.register_abm({
+	label			= "freeze river water",
+	nodenames = { "default:river_water_source" },
+	neighbors	= { "air" },
+	interval	= 10,
+	chance		= 2,
+
+	 conditions	= {
+		 min_height		= regional_weather.settings.min_height,
+		 max_height		= regional_weather.settings.max_height,
+		 max_heat			= 25,
+		 daylight			= 15
+	 },
+
+	 action = function (pos, node, env)
+		 minetest.set_node(pos, { name = BLOCK_NAME })
+	 end
+})
+
+climate_api.register_abm({
+	label			= "unfreeze river water",
+	nodenames = { BLOCK_NAME },
+	neighbors	= { "air" },
+	interval	= 15,
+	chance		= 4,
+
+	 conditions	= {
+		 min_height		= regional_weather.settings.min_height,
+		 max_height		= regional_weather.settings.max_height,
+		 min_heat			= 40,
+		 daylight			= 15
+	 },
+
+	 action = function (pos, node, env)
+		 minetest.set_node(pos, { name = "default:river_water_source" })
+	 end
+})

abms/puddle.lua

@@ -11,14 +11,9 @@ if not regional_weather.settings.puddles then
 	return
 end
 
---Puddle node
 local node_box = {
 	type  = "fixed",
-	fixed = {
-		{-0.1875, -0.5, -0.375, 0.125, -0.4875, 0.3125},
-		{-0.25, -0.5, -0.3125, 0.3125, -0.4925, 0.25},
-		{-0.3125, -0.5, -0.1875, 0.375, -0.4975, 0.1875},
-	}
+	fixed = {-0.5, -0.5, -0.5, 0.5, -0.49, 0.5}
 }
 
 minetest.register_node(BLOCK_NAME, {
@@ -30,14 +25,15 @@ minetest.register_node(BLOCK_NAME, {
 	walkable = false,
 	sunlight_propagates = true,
 	paramtype = "light",
-	alpha = 50,
+	use_texture_alpha = true,
 	node_box = node_box,
 	groups = {
 		not_in_creative_inventory = 1,
 		crumbly = 3,
 		attached_node = 1,
 		slippery = 1,
-		flora = 1
+		flora = 1,
+		water = 1
 	},
 	drop = "",
 })

abms/snow_cover.lua

@@ -14,6 +14,13 @@ or not regional_weather.settings.snow then
 	return
 end
 
+local destruction_handler = function(pos)
+	pos.y = pos.y - 1
+	if minetest.get_node(pos).name == "default:dirt_with_snow" then
+		minetest.set_node(pos, {name = "default:dirt_with_grass"})
+	end
+end
+
 for i = 1,5 do
 	local node_box = {
 		type  = "fixed",
@@ -43,12 +50,8 @@ for i = 1,5 do
 				minetest.set_node(pos, {name = "default:dirt_with_snow"})
 			end
 		end,
-		on_destruct = function(pos)
-			pos.y = pos.y - 1
-			if minetest.get_node(pos).name == "default:dirt_with_snow" then
-				minetest.set_node(pos, {name = "default:dirt_with_grass"})
-			end
-		end
+		on_destruct = destruction_handler,
+		on_flood = destruction_handler
 	})
 end