From a45a063b6a3f662c3c92fb7157a4300279d05bb8 Mon Sep 17 00:00:00 2001
From: VitaliyShar <111154840+VitaliyShar@users.noreply.github.com>
Date: Sat, 13 Aug 2022 00:20:23 +0300
Subject: [PATCH] Stair rotation

Tried to add proper stair rotation while standing on node edge holding shift.
---
 mods/stairs/init.lua | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/mods/stairs/init.lua b/mods/stairs/init.lua
index 4ba854fa..e9237494 100644
--- a/mods/stairs/init.lua
+++ b/mods/stairs/init.lua
@@ -32,7 +32,15 @@ local function rotate_and_place(itemstack, placer, pointed_thing)
 	if placer then
 		local placer_pos = placer:get_pos()
 		if placer_pos then
-			param2 = minetest.dir_to_facedir(vector.subtract(p1, placer_pos))
+			local vec = vector.subtract(p1, placer_pos)
+			param2 = minetest.dir_to_facedir(vec)
+			if math.abs(vec.z) <= 0.5 and  math.abs(vec.x) <= 0.5 and vec.y < 0 and p0.y == p1.y then
+				if param2 == 0 then param2 = 2
+				elseif param2 == 2 then param2 = 0
+				elseif param2 == 1 then param2 = 3
+				elseif param2 == 3 then param2 = 1
+				end
+			end
 		end
 
 		local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)