From: Alex Ford <gordion42@gmail.com>
Date: Sat, 8 Apr 2017 04:03:11 +0000 (-0600)
Subject: Screwdriver: Allow non-native rotations if supported by targeted node
X-Git-Tag: 0.4.16~33
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=8d43b984fc70e91c185242f24704544b46fe42ea;p=oweals%2Fminetest_game.git

Screwdriver: Allow non-native rotations if supported by targeted node

This also allows custom actions (such as using the screwdriver as a wrench).
---

diff --git a/mods/screwdriver/init.lua b/mods/screwdriver/init.lua
index 2a53ae37..e76f0545 100644
--- a/mods/screwdriver/init.lua
+++ b/mods/screwdriver/init.lua
@@ -98,12 +98,17 @@ screwdriver.handler = function(itemstack, user, pointed_thing, mode, uses)
 	end
 	-- can we rotate this paramtype2?
 	local fn = screwdriver.rotate[ndef.paramtype2]
-	if not fn then
+	if not fn and not ndef.on_rotate then
 		return itemstack
 	end
 
 	local should_rotate = true
-	local new_param2 = fn(pos, node, mode)
+	local new_param2
+	if fn then
+		new_param2 = fn(pos, node, mode)
+	else
+		new_param2 = node.param2
+	end
 
 	-- Node provides a handler, so let the handler decide instead if the node can be rotated
 	if ndef.on_rotate then
@@ -122,7 +127,7 @@ screwdriver.handler = function(itemstack, user, pointed_thing, mode, uses)
 		return itemstack
 	end
 
-	if should_rotate then
+	if should_rotate and new_param2 ~= node.param2 then
 		node.param2 = new_param2
 		minetest.swap_node(pos, node)
 		minetest.check_for_falling(pos)