add a function to correct for broken placement rotation

for wallmounted nodes (engine or _game bug), and put it
to use.

homedecor/init.lua

@@ -65,6 +65,24 @@ function homedecor.find_ceiling(itemstack, placer, pointed_thing)
 	return isceiling, pos
 end
 
+-- call this function to reset the rotation of a "wallmounted" object on place
+
+function homedecor.fix_rotation(pos, placer, itemstack, pointed_thing)
+	local node = minetest.get_node(pos)
+	local yaw = placer:get_look_yaw()
+	local dir = minetest.yaw_to_dir(yaw-1.5)
+	local pitch = placer:get_look_vertical()
+
+	local fdir = minetest.dir_to_wallmounted(dir)
+
+	if pitch < -(math.pi/4) then
+		fdir = 0
+	elseif pitch > math.pi/4 then
+		fdir = 1
+	end
+	minetest.swap_node(pos, { name = node.name, param2 = fdir })
+end
+
 screwdriver = screwdriver or {}
 
 homedecor.plain_wood    = { name = "homedecor_generic_wood_plain.png",  color = 0xffa76820 }

homedecor/lighting.lua

@@ -41,6 +41,7 @@ minetest.register_node("homedecor:glowlight_half", {
 	groups = { snappy = 3 },
 	light_source = default.LIGHT_MAX,
 	sounds = default.node_sound_glass_defaults(),
+	after_place_node = homedecor.fix_rotation,
 	after_dig_node = unifieddyes.after_dig_node,
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		unifieddyes.on_rightclick(pos, node, clicker,
@@ -72,6 +73,7 @@ minetest.register_node("homedecor:glowlight_quarter", {
 	groups = { snappy = 3 },
 	light_source = default.LIGHT_MAX-1,
 	sounds = default.node_sound_glass_defaults(),
+	after_place_node = homedecor.fix_rotation,
 	after_dig_node = unifieddyes.after_dig_node,
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		unifieddyes.on_rightclick(pos, node, clicker,
@@ -103,6 +105,7 @@ minetest.register_node("homedecor:glowlight_small_cube", {
 	groups = { snappy = 3 },
 	light_source = default.LIGHT_MAX-1,
 	sounds = default.node_sound_glass_defaults(),
+	after_place_node = homedecor.fix_rotation,
 	after_dig_node = unifieddyes.after_dig_node,
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		unifieddyes.on_rightclick(pos, node, clicker,

homedecor/window_treatments.lua

@@ -114,13 +114,7 @@ minetest.register_node("homedecor:curtain_closed", {
 	palette = "unifieddyes_palette_colorwallmounted.png",
 	selection_box = { type = "wallmounted" },
 	after_dig_node = unifieddyes.after_dig_node,
-	after_place_node = function(pos, placer, itemstack, pointed_thing)
+	after_place_node = homedecor.fix_rotation,
-		local yaw = placer:get_look_yaw()
-		local dir = minetest.yaw_to_dir(yaw-1.5)
-		local fdir = minetest.dir_to_wallmounted(dir)
-		name = minetest.get_node(pos).name
-		minetest.swap_node(pos, { name = name, param2 = fdir })
-	end,
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local itemname = itemstack:get_name()
 		if string.find(itemname, "dye:") or string.find(itemname, "unifieddyes:") then
@@ -151,13 +145,7 @@ minetest.register_node("homedecor:curtain_open", {
 	palette = "unifieddyes_palette_colorwallmounted.png",
 	selection_box = { type = "wallmounted" },
 	after_dig_node = unifieddyes.after_dig_node,
-	after_place_node = function(pos, placer, itemstack, pointed_thing)
+	after_place_node = homedecor.fix_rotation,
-		local yaw = placer:get_look_yaw()
-		local dir = minetest.yaw_to_dir(yaw-1.5)
-		local fdir = minetest.dir_to_wallmounted(dir)
-		name = minetest.get_node(pos).name
-		minetest.swap_node(pos, { name = name, param2 = fdir })
-	end,
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local itemname = itemstack:get_name()
 		if string.find(itemname, "dye:") or string.find(itemname, "unifieddyes:") then