From 30b17c555aa93d8ebe6aafe762622135b0f7145a Mon Sep 17 00:00:00 2001
From: Och Noe <och_noe@forksworld.de>
Date: Thu, 23 Sep 2021 14:42:37 +0200
Subject: added '?' for the viewing direction to wp_shift, by Maverick2797

---
 init.lua | 52 ++++++++++++++++++++++++++++++----------------------
 1 file changed, 30 insertions(+), 22 deletions(-)

diff --git a/init.lua b/init.lua
index 7776885..7cd4c86 100644
--- a/init.lua
+++ b/init.lua
@@ -249,48 +249,56 @@ end
 
 -- new shift with more than one possible shift coordinate
 -- only the last value for one coordinate is used
-local function position_shift2(p)   
+-- viewing direction (?) added by Maverick2797 on 2021-09-23
+local function position_shift2(p)
    if not p then return end
-
+   local player = minetest.localplayer
    local param = p:split(" ")
-
+   
    local shift = {}
    shift.x = 0
    shift.y = 0
    shift.z = 0
-
+   
    local vp = 1
-   while (vp+1 <= #param )
-   do
+   while (vp+1 <= #param ) do
       local direction = param[vp]
-      d = ""
-      if direction == "x" or direction == "X" then d = "x" end 
-      if direction == "y" or direction == "Y" then d = "y" end 
-      if direction == "z" or direction == "Z" then d = "z" end 
-      if d ~= "" then 
-	 distance = tonumber(param[vp+1])
-	 if not distance then 
-	    distance = 0
-	 end
+      
+      local distance = tonumber(param[vp+1])
+      if not distance then 
+	 distance = 0
+      end
+      
+      local d = ""
+      if direction == "x" or direction == "X" then d = "x" end
+      if direction == "y" or direction == "Y" then d = "y" end
+      if direction == "z" or direction == "Z" then d = "z" end
+      if direction == "?" then
+	 --tp according to facing angle
+	 local yaw = player:get_last_look_horizontal()
+	 local pitch = player:get_last_look_vertical()
+	 shift.x = distance*math.cos(yaw)*math.cos(pitch)
+	 shift.z = distance*math.sin(yaw)*math.cos(pitch)
+	 shift.y = distance*math.sin(pitch)
+      elseif d ~= "" then 
 	 shift[direction] = distance
       end
       vp = vp+2
    end
-
+   
    if shift.x == 0 and shift.y == 0 and shift.z == 0 then
       return
    end
-
-   local here = minetest.localplayer:get_pos()
-
+   
+   local here = player:get_pos()
    here.x = here.x+shift.x
    here.y = here.y+shift.y
    here.z = here.z+shift.z
-
+   
    -- here.y  = here.y  - 1        -- correction
-
+   
    minetest.run_server_chatcommand('teleport', tostring_point(here))
-
+   
 end
 
 
-- 
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