split in func and init.lua files

func.lua

@@ -0,0 +1,55 @@
+func={}
+func.replace=function (pos,top)
+	minetest.remove_node(pos)
+	minetest.add_node(top, {name="a:core",param2=to_face})
+	return
+end
+
+func.pos6=function(pos)
+	local sides={}
+	sides.u={x=pos.x,y=pos.y+1,z=pos.z}
+	sides.d={x=pos.x,y=pos.y-1,z=pos.z}
+	sides.n={x=pos.x,y=pos.y,z=pos.z+1}
+	sides.s={x=pos.x,y=pos.y,z=pos.z-1}
+	sides.e={x=pos.x+1,y=pos.y,z=pos.z}
+	sides.w={x=pos.x-1,y=pos.y,z=pos.z}
+	return sides
+end
+
+func.top_pos(pos,list,target,)
+	local top=nil
+	for i,v in pairs(list) do
+		if target.x then
+			if top==nil  then
+				top=v 
+			else
+				if vector.distance(v,target)<vector.distance(top,target	) then
+					top=v
+				end
+			end
+		else
+			return 'no taget avaible'
+		end	
+	end
+	return top
+end
+
+func.player_target=function(pos)
+	local target=nil
+	local players=minetest.get_connected_players()
+	if table.getn(a)=0 then return 0 end
+	for i,v in pairs(players) do
+		local player=v:getpos()
+		local dist=vector.distance(pos,player)
+		if target==nil then
+			target=v
+		elseif dist<vector.distance(pos,target) then
+			target=v
+		end
+	end
+end
+
+func.to_facedir=function(pos,target)
+	local to_dir=vector.direction(pos,target)
+	local to_face=minetest.dir_to_facedir(to_dir)
+end