From 987cc5a6a425b1f9bcd9000608dc389a45c675a1 Mon Sep 17 00:00:00 2001
From: you <ovvv@web.de>
Date: Mon, 05 Jun 2017 16:51:59 +0200
Subject: [PATCH] Add api documentation (#361)

---
 technic/tools/sonic_screwdriver.lua |  143 ++++++++++++++++++++++++++++++-----------------
 1 files changed, 91 insertions(+), 52 deletions(-)

diff --git a/technic/tools/sonic_screwdriver.lua b/technic/tools/sonic_screwdriver.lua
index 00922f7..300d363 100644
--- a/technic/tools/sonic_screwdriver.lua
+++ b/technic/tools/sonic_screwdriver.lua
@@ -1,59 +1,98 @@
-local sonic_screwdriver_max_charge=15000
-technic.register_HV_power_tool ("technic:sonic_screwdriver",sonic_screwdriver_max_charge)
+local sonic_screwdriver_max_charge = 15000
+
+local S = technic.getter
+
+technic.register_power_tool("technic:sonic_screwdriver", sonic_screwdriver_max_charge)
+
+-- screwdriver handler code reused from minetest/minetest_game screwdriver @a9ac480
+local ROTATE_FACE = 1
+local ROTATE_AXIS = 2
+
+local function nextrange(x, max)
+	x = x + 1
+	if x > max then
+		x = 0
+	end
+	return x
+end
+
+-- Handles rotation
+local function screwdriver_handler(itemstack, user, pointed_thing, mode)
+	if pointed_thing.type ~= "node" then
+		return
+	end
+
+	local pos = pointed_thing.under
+
+	if minetest.is_protected(pos, user:get_player_name()) then
+		minetest.record_protection_violation(pos, user:get_player_name())
+		return
+	end
+
+	local node = minetest.get_node(pos)
+	local ndef = minetest.registered_nodes[node.name]
+	if not ndef or not ndef.paramtype2 == "facedir" or
+			(ndef.drawtype == "nodebox" and
+			not ndef.node_box.type == "fixed") or
+			node.param2 == nil then
+		return
+	end
+
+	-- contrary to the default screwdriver, do not check for can_dig, to allow rotating machines with CLU's in them
+	-- this is consistent with the previous sonic screwdriver
+
+	local meta1 = minetest.deserialize(itemstack:get_metadata())
+	if not meta1 or not meta1.charge or meta1.charge < 100 then
+		return
+	end
+
+	minetest.sound_play("technic_sonic_screwdriver", {pos = pos, gain = 0.3, max_hear_distance = 10})
+
+	-- Set param2
+	local rotationPart = node.param2 % 32 -- get first 4 bits
+	local preservePart = node.param2 - rotationPart
+
+	local axisdir = math.floor(rotationPart / 4)
+	local rotation = rotationPart - axisdir * 4
+	if mode == ROTATE_FACE then
+		rotationPart = axisdir * 4 + nextrange(rotation, 3)
+	elseif mode == ROTATE_AXIS then
+		rotationPart = nextrange(axisdir, 5) * 4
+	end
+
+	node.param2 = preservePart + rotationPart
+	minetest.swap_node(pos, node)
+
+	if not technic.creative_mode then
+		meta1.charge = meta1.charge - 100
+		itemstack:set_metadata(minetest.serialize(meta1))
+		technic.set_RE_wear(itemstack, meta1.charge, sonic_screwdriver_max_charge)
+	end
+
+	return itemstack
+end
 
 minetest.register_tool("technic:sonic_screwdriver", {
-			description = "Sonic Screwdriver",
-			inventory_image = "technic_sonic_screwdriver.png",
-			on_use = function(itemstack, user, pointed_thing)
-					-- Must be pointing to facedir applicable node
-					if pointed_thing.type~="node" then return end
-					local pos=minetest.get_pointed_thing_position(pointed_thing,above)
-					local node=minetest.env:get_node(pos)
-					local node_name=node.name
-						if minetest.registered_nodes[node_name].paramtype2 == "facedir" or minetest.registered_nodes[node_name].paramtype2 == "wallmounted" then
-					if node.param2==nil  then return end
-					item=itemstack:to_table()
-					local meta1=get_item_meta(item["metadata"])
-					if meta1==nil then return end --tool not charghed
-					if meta1["charge"]==nil then return end
-					charge=meta1["charge"]
-					if charge-100>0 then
-						minetest.sound_play("technic_sonic_screwdriver", {pos = pos, gain = 0.3, max_hear_distance = 10,})
-						local n = node.param2
-						if minetest.registered_nodes[node_name].paramtype2 == "facedir" then
-						   n = n+1
-						if n == 4 then n = 0 end
-						else
-							n = n+1
-							if n == 6 then n = 0 end
-						end
-						-- hacky_swap_node, unforunatly.
-						local meta = minetest.env:get_meta(pos)
-						local meta0 = meta:to_table()
-						node.param2 = n
-						minetest.env:set_node(pos,node)
-						meta = minetest.env:get_meta(pos)
-						meta:from_table(meta0)
-
-						charge=charge-100;  
-						meta1["charge"]=charge
-						item["metadata"]=set_item_meta(meta1)
-						technic.set_RE_wear(item,charge,sonic_screwdriver_max_charge)
-						itemstack:replace(item)
-						end
-						return itemstack
-						else
-						return itemstack
-						end
-						end,
-		 
-	})
+	description = S("Sonic Screwdriver (left-click rotates face, right-click rotates axis)"),
+	inventory_image = "technic_sonic_screwdriver.png",
+	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
+	on_use = function(itemstack, user, pointed_thing)
+		screwdriver_handler(itemstack, user, pointed_thing, ROTATE_FACE)
+		return itemstack
+	end,
+	on_place = function(itemstack, user, pointed_thing)
+		screwdriver_handler(itemstack, user, pointed_thing, ROTATE_AXIS)
+		return itemstack
+	end,
+})
  
 minetest.register_craft({
 	output = "technic:sonic_screwdriver",
 	recipe = {
-		{"default:diamond"},
-		{"technic:battery"},
-		{"technic:stainless_steel_ingot"}
-		}
+		{"",                         "default:diamond",        ""},
+		{"mesecons_materials:fiber", "technic:battery",        "mesecons_materials:fiber"},
+		{"mesecons_materials:fiber", "moreores:mithril_ingot", "mesecons_materials:fiber"}
+	}
 })
+

--
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