Fix rotation of falling facedir nodes (minetest#12587)

in some cases

builtin/game/falling.lua

@@ -158,12 +158,10 @@ core.register_entity(":__builtin:falling_node", {
  or def.drawtype == "normal"
  or def.drawtype == "nodebox" then
  if (def.paramtype2 == "facedir" or def.paramtype2 == "colorfacedir") then
- local fdir = node.param2 % 32
+ local fdir = node.param2 % 32 % 24
  -- Get rotation from a precalculated lookup table
  local euler = facedir_to_euler[fdir + 1]
- if euler then
- self.object:set_rotation(euler)
- end
+ self.object:set_rotation(euler)
  elseif (def.drawtype ~= "plantlike" and def.drawtype ~= "plantlike_rooted" and
  (def.paramtype2 == "wallmounted" or def.paramtype2 == "colorwallmounted" or def.drawtype == "signlike")) then
  local rot = node.param2 % 8

games/devtest/mods/testnodes/properties.lua

@@ -13,6 +13,20 @@ minetest.register_node("testnodes:falling", {
  groups = { falling_node = 1, dig_immediate = 3 },
 })
 
+minetest.register_node("testnodes:falling_facedir", {
+ description = S("Falling Facedir Node"),
+ tiles = {
+ "testnodes_1.png",
+ "testnodes_2.png",
+ "testnodes_3.png",
+ "testnodes_4.png",
+ "testnodes_5.png",
+ "testnodes_6.png",
+ },
+ paramtype2 = "facedir",
+ groups = { falling_node = 1, dig_immediate = 3 },
+})
+
 -- Same as falling node, but will stop falling on top of liquids
 minetest.register_node("testnodes:falling_float", {
  description = S("Falling+Floating Node"),