From d0e38623562b56cfa7913ea78eb39b372700bc92 Mon Sep 17 00:00:00 2001
From: Wuzzy <Wuzzy2@mail.ru>
Date: Mon, 18 Feb 2019 20:52:44 +0100
Subject: [PATCH] Fix bad wall sign text update after punch

---
 mods/ITEMS/mcl_signs/init.lua | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/mods/ITEMS/mcl_signs/init.lua b/mods/ITEMS/mcl_signs/init.lua
index 541e811428..608d1922bf 100644
--- a/mods/ITEMS/mcl_signs/init.lua
+++ b/mods/ITEMS/mcl_signs/init.lua
@@ -157,6 +157,19 @@ local function get_rotation_level(facedir, nodename)
 	return rl
 end
 
+local function get_wall_signtext_info(param2, nodename)
+	local dir = minetest.wallmounted_to_dir(param2)
+	if dir.x > 0 then
+		return 2
+	elseif dir.z > 0 then
+		return 1
+	elseif dir.x < 0 then
+		return 4
+	else
+		return 3
+	end
+end
+
 local sign_groups = {handy=1,axey=1, flammable=1, deco_block=1, material_wood=1, attached_node=1}
 
 local destruct_sign = function(pos)
@@ -186,7 +199,7 @@ local update_sign = function(pos, fields, sender)
 	for _, v in ipairs(objects) do
 		local ent = v:get_luaentity()
 		if ent and ent.name == "mcl_signs:text" then
-			v:set_properties({textures={generate_texture(create_lines(text), v:get_luaentity()._signnodename)}})
+			v:set_properties({textures={generate_texture(create_lines(text), ent._signnodename)}})
 			return
 		end
 	end
@@ -198,7 +211,7 @@ local update_sign = function(pos, fields, sender)
 	if nn == "mcl_signs:standing_sign" or nn == "mcl_signs:standing_sign22_5" or nn == "mcl_signs:standing_sign45" or nn == "mcl_signs:standing_sign67_5" then
 		sign_info = signtext_info_standing[get_rotation_level(n.param2, nn) + 1]
 	elseif nn == "mcl_signs:wall_sign" then
-		sign_info = signtext_info_wall[n.param2 + 1]
+		sign_info = signtext_info_wall[get_wall_signtext_info(n.param2)]
 	end
 	if sign_info == nil then
 		return
@@ -215,6 +228,7 @@ local update_sign = function(pos, fields, sender)
 		sign_info.yaw = sign_info.yaw + 3 * (math.pi / 8)
 	end
 	text_entity:get_luaentity()._signnodename = nn
+	text_entity:set_properties({textures={generate_texture(create_lines(text), nn)}})
 
 	text_entity:setyaw(sign_info.yaw)
 end