From 904b226f00e14c25c020d4087e235cc0904ec1ef Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Sun, 12 Oct 2014 23:23:01 +0200
Subject: [PATCH] Make dependency on Technic optional

---
 depends.txt |  2 +-
 init.lua    | 54 ++++++++++++++++++++++++++++++++---------------------
 2 files changed, 34 insertions(+), 22 deletions(-)

diff --git a/depends.txt b/depends.txt
index f568272..048e8bf 100644
--- a/depends.txt
+++ b/depends.txt
@@ -1,3 +1,3 @@
 intllib?
-technic
+technic?
 default?
diff --git a/init.lua b/init.lua
index b744e4d..9aaba04 100644
--- a/init.lua
+++ b/init.lua
@@ -5,6 +5,26 @@ else
 	S = function ( s ) return s end
 end
 
+teletool = {}
+
+function teletool.teleport(player, pointed_thing)
+	local pos = pointed_thing.above
+	local over1 = minetest.get_node({x=pos.x,y=pos.y+1,z=pos.z})
+	local over2 = minetest.get_node({x=pos.x,y=pos.y+2,z=pos.z})
+	local src = player:getpos()
+	local dest = {x=pos.x, y=math.ceil(pos.y)-0.5, z=pos.z}
+	minetest.sound_play( {name="teletool_teleport1", gain=1}, {pos=src, max_hear_distance=12})
+	player:setpos(dest)
+	minetest.after(0.5, function(dest) minetest.sound_play( {name="teletool_teleport2", gain=1}, {pos=dest, max_hear_distance=12}) end, dest)
+end
+
+if(minetest.get_modpath("technic") ~= nil) then
+	technic.register_power_tool("teletool:teletool", 50000)
+	teletool.on_refill = technic.refill_RE_charge
+else
+	teletool.on_refill = nil
+end
+
 minetest.register_tool("teletool:teletool", {
 	description = S("point teleporter"),
 	range = 20.0,
@@ -13,23 +33,18 @@ minetest.register_tool("teletool:teletool", {
 	inventory_image = "teletool_teletool.png",
 	on_use = function(itemstack, user, pointed_thing)
 		if(pointed_thing.type == "node") then
-			local meta = minetest.deserialize(itemstack:get_metadata())
-			if not meta or not meta.charge then return end
-
-			if meta.charge >= 1000 then
-				meta.charge = meta.charge - 1000
-
-				pos = pointed_thing.above
-				local over1 = minetest.get_node({x=pos.x,y=pos.y+1,z=pos.z})
-				local over2 = minetest.get_node({x=pos.x,y=pos.y+2,z=pos.z})
-				local src = user:getpos()
-				local dest = {x=pos.x, y=math.ceil(pos.y)-0.5, z=pos.z}
-				minetest.sound_play( {name="teletool_teleport1", gain=1}, {pos=src, max_hear_distance=12})
-				user:setpos(dest)
-				minetest.after(0.5, function(dest) minetest.sound_play( {name="teletool_teleport2", gain=1}, {pos=dest, max_hear_distance=12}) end, dest)
-
-				technic.set_RE_wear(itemstack, meta.charge, 50000)
-				itemstack:set_metadata(minetest.serialize(meta))
+			local has_technic = minetest.get_modpath("technic") ~= nil
+			if(has_technic) then
+				local meta = minetest.deserialize(itemstack:get_metadata())
+				if not meta or not meta.charge then return end
+				if meta.charge >= 1000 then
+					meta.charge = meta.charge - 1000
+					teletool.teleport(user, pointed_thing)
+					technic.set_RE_wear(itemstack, meta.charge, 50000)
+					itemstack:set_metadata(minetest.serialize(meta))
+				end
+			else
+				teletool.teleport(user, pointed_thing)
 			end
 			return itemstack
 		end
@@ -37,7 +52,7 @@ minetest.register_tool("teletool:teletool", {
 
 	-- Technic data
 	wear_represents = "technic_RE_charge",
-	on_refill = technic.refill_RE_charge
+	on_refill = teletool.on_refill,
 })
 
 if(minetest.get_modpath("default") ~= nil and minetest.get_modpath("technic") ~= nil) then
@@ -51,6 +66,3 @@ if(minetest.get_modpath("default") ~= nil and minetest.get_modpath("technic") ~=
 	})
 end
 
-if(minetest.get_modpath("technic") ~= nil) then
-	technic.register_power_tool("teletool:teletool", 50000)
-end