From f5dd6da5635e67e3c44ed3530d19a29a6ee16083 Mon Sep 17 00:00:00 2001
From: TenPlus1 <kinsellaja@yahoo.com>
Date: Wed, 20 Jul 2016 16:23:12 +0100
Subject: [PATCH] Added protector_flip bool for .conf settings

---
 README.md |  4 +++-
 init.lua  | 25 ++++++++++++++++++++++++-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 1af3e91..74f8976 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,8 @@ Released under WTFPL
 1.7 - Included an edited version of WTFPL doors mod since protected doors didn't
       work with the doors mod in the latest daily build... Now it's fine :)
       added support for "protection_bypass" privelage.
+1.8 - Added 'protector_flip' setting to stop players using lag to grief into
+      another players house, it flips them around to stop them digging.
 
 Usage: (requires server privelage)
 
@@ -53,4 +55,4 @@ remove all names from list
 	/delprot -
 
 Whenever a player is near any protectors with name1 or name2 then it will be
-replaced by an air block.
\ No newline at end of file
+replaced by an air block.
diff --git a/init.lua b/init.lua
index 3c977b3..3a366c0 100644
--- a/init.lua
+++ b/init.lua
@@ -5,6 +5,7 @@ protector = {}
 protector.mod = "redo"
 protector.radius = (tonumber(minetest.setting_get("protector_radius")) or 5)
 protector.drop = minetest.setting_getbool("protector_drop") or false
+protector.flip = minetest.setting_getbool("protector_flip") or false
 protector.hurt = (tonumber(minetest.setting_get("protector_hurt")) or 0)
 
 -- Intllib
@@ -246,6 +247,29 @@ function minetest.is_protected(pos, digger)
 			player:set_hp(player:get_hp() - protector.hurt)
 		end
 
+		-- flip player around when protection violated
+		if protector.flip
+		and player then
+
+			local pla_pos = player:getpos()
+			local vec = {
+				x = pos.x - pla_pos.x,
+				y = pos.y - pla_pos.y,
+				z = pos.z - pla_pos.z
+			}
+			if vec.x ~= 0
+			and vec.z ~= 0 then
+
+				local yaw = math.atan(vec.z / vec.x) + 3 * math.pi / 2
+
+				if pos.x > pla_pos.x then
+					yaw = yaw + math.pi
+				end
+
+				player:set_look_yaw(yaw)
+			end
+		end
+
 		-- drop tool/item if protection violated
 		if protector.drop == true
 		and player then
@@ -270,7 +294,6 @@ function minetest.is_protected(pos, digger)
 				end)
 
 			end
-
 		end
 
 		return true