From 129efd98d89494f9f949507c4435ffb780c989e0 Mon Sep 17 00:00:00 2001
From: Jat <jinan15@hotmail.com>
Date: Wed, 13 Aug 2014 17:37:00 +0200
Subject: [PATCH] New method for place signs.

---
 init.lua | 114 +++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 81 insertions(+), 33 deletions(-)

diff --git a/init.lua b/init.lua
index a03f624..1e3c8e6 100644
--- a/init.lua
+++ b/init.lua
@@ -7,47 +7,95 @@
 arrow_signs={}
 
 arrow_signs_on_place = function(itemstack, placer, pointed_thing)
-	local function transformvector(vector)
-		local vectorlist ={
-			{cmin = -1, cmax = -0.5}, 
-			{cmin = -0.5, cmax = 0},
-			{cmin = 0, cmax = 0.5},
-			{cmin = 0.5, cmax = 1}
-		}
-		local r = {}
-		for n,res in pairs(vector) do
-			for ia=1,table.getn(vectorlist) do
-				if vectorlist[ia].cmin<res and vectorlist[ia].cmax>res then
-					r[n]=ia
-				end
-			end	
-		end
-		return  r["x"]*10+r["z"]
-	end
 	
-	local pos = pointed_thing.above
-	local vector = transformvector(placer:get_look_dir())
-	local changer = {
-		{31,5},
-		{12,14},
-		{24,11},
-		{43,16},	
-	}
-	local place = false
+	local posabove = pointed_thing.above
+	local posunder = pointed_thing.under
+	local vector = placer:get_look_dir()
+	local place = true
 	
-	for	i=1,table.getn(changer) do
-		if vector == changer[i][1] then
-			minetest.add_node(pos,{name = itemstack:get_name(), param2 = changer[i][2]})
-			place = true
-			break
+	if posabove.y>posunder.y then
+		if(vector.z>0.5 and vector.z<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 10})
+		elseif (vector.x>0.5 and vector.x<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 19})
+		elseif(-0.5>vector.z and -1<=vector.z) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 4})	
+		elseif (-0.5>vector.x and -1<=vector.x) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 13})
+		else
+			place = false
 		end
+	elseif posabove.y<posunder.y then
+		if(vector.z>0.5 and vector.z<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 8})
+		elseif (vector.x>0.5 and vector.x<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 17})
+		elseif(-0.5>vector.z and -1<=vector.z) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 6})	
+		elseif (-0.5>vector.x and -1<=vector.x) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 15})
+		else
+			place = false
+		end
+	elseif posabove.z>posunder.z then
+		if(vector.y>0.75 and vector.y<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 22})
+		elseif (vector.y>=-1 and vector.y<-0.75) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 2})
+		elseif (vector.x>=0 and vector.x<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 18})
+		elseif (vector.x<0 and vector.x>=-1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 14})
+		else
+			place = false
+		end
+	elseif posabove.z<posunder.z then
+		if(vector.y>0.75 and vector.y<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 20})
+		elseif (vector.y>=-1 and vector.y<-0.75) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 0})
+		elseif (vector.x>=0 and vector.x<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 16})
+		elseif (vector.x<0 and vector.x>=-1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 12})
+		else
+			place = false
+		end
+	elseif posabove.x>posunder.x then
+		if(vector.y>0.75 and vector.y<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 21})
+		elseif (vector.y>=-1 and vector.y<-0.75) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 3})
+		elseif (vector.z>=0 and vector.z<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 11})
+		elseif (vector.z<0 and vector.z>=-1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 7})
+		else
+			place = false
+		end
+	elseif posabove.x<posunder.x then
+		if(vector.y>0.75 and vector.y<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 23})
+		elseif (vector.y>=-1 and vector.y<-0.75) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 1})
+		elseif (vector.z>=0 and vector.z<=1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 9})
+		elseif (vector.z<0 and vector.z>=-1) then
+			minetest.add_node(posabove,{name = itemstack:get_name(), param2 = 5})
+		else
+			place = false
+		end
+	else
+		place = false
 	end
+
 	if not(place) then
 		minetest.rotate_node(itemstack, placer, pointed_thing)
 	else
 		itemstack:take_item()
 		return itemstack
 	end
+
 end
 
  function arrow_signs:savetext(pos, formname, fields, sender)
@@ -186,6 +234,6 @@ minetest.register_abm({
 
 --Locked sign
 if locks then
-local MODPATH = minetest.get_modpath("arrow_signs");
-dofile(MODPATH.."/shared_locked.lua")
+	local MODPATH = minetest.get_modpath("arrow_signs");
+	dofile(MODPATH.."/shared_locked.lua")
 end
\ No newline at end of file