From 3c841e885f3352fb86afa0db61ace72fa04dfb6a Mon Sep 17 00:00:00 2001
From: Dirk Sohler <dirk@0x7be.de>
Date: Sun, 13 May 2018 22:00:30 +0200
Subject: [PATCH 1/2] fix and make the snow plates ABM configurable

---
 weather/settingtypes.txt |  8 ++++++++
 weather/snow.lua         | 36 +++++++++++++++++++-----------------
 2 files changed, 27 insertions(+), 17 deletions(-)
 create mode 100644 weather/settingtypes.txt

diff --git a/weather/settingtypes.txt b/weather/settingtypes.txt
new file mode 100644
index 0000000..8ededa2
--- /dev/null
+++ b/weather/settingtypes.txt
@@ -0,0 +1,8 @@
+# Fast computer ABM
+#
+# The “fast computer ABM” controls if snow covers will be placed
+# on the ground when `weather:snow` is set. This needs a better
+# computer and should not be used if the performance drops too
+# much. It is advised not to enable this on servers and it is
+# disbaled by default
+weather_fast_pc (Snow covers for fast PCs) bool false
diff --git a/weather/snow.lua b/weather/snow.lua
index 5c867bb..99aedb8 100644
--- a/weather/snow.lua
+++ b/weather/snow.lua
@@ -26,23 +26,25 @@ minetest.register_node("weather:snow_cover", {
 	drop = {}
 })
 
---[[ Enable this section if you have a very fast PC
-minetest.register_abm({
-	nodenames = {"group:crumbly", "group:snappy", "group:cracky", "group:choppy"},
-	neighbors = {"default:air"},
-	interval = 10.0,
-	chance = 80,
-	action = function (pos, node, active_object_count, active_object_count_wider)
-		if weather == "snow" then
-			if minetest.registered_nodes[node.name].drawtype == "normal"
-			or minetest.registered_nodes[node.name].drawtype == "allfaces_optional" then
-				local np = vector.add(pos, {x=0, y=1, z=0})
-				if minetest.env:get_node_light(np, 0.5) == 15
-				and minetest.env:get_node(np).name == "air" then
-					minetest.env:add_node(np, {name="weather:snow_cover"})
+-- Snow cover ABM when weather_fast_pc setting is set to `true`
+if minetest.is_yes(minetest.settings:get_bool('weather_fast_pc')) then
+	minetest.log('action', '[weather] Loaded fast computer ABM (snow covers when weather:snow is set)')
+	minetest.register_abm({
+		nodenames = {"group:crumbly", "group:snappy", "group:cracky", "group:choppy"},
+		neighbors = {"default:air"},
+		interval = 10.0,
+		chance = 80,
+		action = function (pos, node, active_object_count, active_object_count_wider)
+			if weather.type == "weather:snow" then
+				if minetest.registered_nodes[node.name].drawtype == "normal"
+				or minetest.registered_nodes[node.name].drawtype == "allfaces_optional" then
+					local np = vector.add(pos, {x=0, y=1, z=0})
+					if minetest.env:get_node_light(np, 0.5) == 15
+					and minetest.env:get_node(np).name == "air" then
+						minetest.env:add_node(np, {name="weather:snow_cover"})
+					end
 				end
 			end
 		end
-	end
-})
-]]
+	})
+end

From c2c0fce93aecb699c93ca3f105358992a8bd7208 Mon Sep 17 00:00:00 2001
From: Dirk Sohler <dirk@0x7be.de>
Date: Sun, 13 May 2018 22:13:10 +0200
Subject: [PATCH 2/2] fix Travis `nused argument` errors

---
 weather/snow.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/weather/snow.lua b/weather/snow.lua
index 99aedb8..92a039e 100644
--- a/weather/snow.lua
+++ b/weather/snow.lua
@@ -34,7 +34,7 @@ if minetest.is_yes(minetest.settings:get_bool('weather_fast_pc')) then
 		neighbors = {"default:air"},
 		interval = 10.0,
 		chance = 80,
-		action = function (pos, node, active_object_count, active_object_count_wider)
+		action = function (pos, node)
 			if weather.type == "weather:snow" then
 				if minetest.registered_nodes[node.name].drawtype == "normal"
 				or minetest.registered_nodes[node.name].drawtype == "allfaces_optional" then