From 3b61a22334c3d564993e3ae0099303f39cd67ec1 Mon Sep 17 00:00:00 2001
From: HybridDog <adresse_test@t-online.de>
Date: Wed, 8 Apr 2015 23:27:19 +0200
Subject: [PATCH] execute the construct and destruct functions of the node when
 using a screwdriver

some changes

fix beds

remove this
---
 mods/beds/api.lua         | 39 +++++++++++++++++++++++++--------------
 mods/screwdriver/init.lua | 26 +++++++++++++++++++++-----
 2 files changed, 46 insertions(+), 19 deletions(-)

diff --git a/mods/beds/api.lua b/mods/beds/api.lua
index 320fcfb3..9ec97619 100644
--- a/mods/beds/api.lua
+++ b/mods/beds/api.lua
@@ -17,32 +17,43 @@ function beds.register_bed(name, def)
 		selection_box = {
 			type = "fixed",
 			fixed = def.selectionbox,
-				
 		},
+		on_construct = function(pos)
+			local n = minetest.get_node(pos)
+			local p = vector.add(pos, minetest.facedir_to_dir(n.param2))
+			local n2 = minetest.get_node_or_nil(p)
+			local def = minetest.registered_nodes[n2.name]
+			if n2
+			and def
+			and def.buildable_to then
+				minetest.set_node(p, {name = name.."_top", param2 = n.param2})
+			end
+		end,
 		after_place_node = function(pos, placer, itemstack)
 			local n = minetest.get_node_or_nil(pos)
 			if not n or not n.param2 then
 				minetest.remove_node(pos)
 				return true
 			end
-			local dir = minetest.facedir_to_dir(n.param2)
-			local p = {x=pos.x+dir.x,y=pos.y,z=pos.z+dir.z}
-			local n2 = minetest.get_node_or_nil(p)
-			local def = minetest.registered_items[n2.name] or nil
-			if not n2 or not def or not def.buildable_to then
-				minetest.remove_node(pos)
-				return true
+			local n2 = minetest.get_node_or_nil(vector.add(pos, minetest.facedir_to_dir(n.param2)))
+			if n2
+			and n2.param2 == n.param2
+			and n2.name == name.."_top" then
+				return false
 			end
-			minetest.set_node(p, {name = n.name:gsub("%_bottom", "_top"), param2 = n.param2})
-			return false
-		end,	
+			minetest.remove_node(pos)
+			return true
+		end,
 		on_destruct = function(pos)
 			local n = minetest.get_node_or_nil(pos)
-			if not n then return end
+			if not n then
+				return
+			end
 			local dir = minetest.facedir_to_dir(n.param2)
-			local p = {x=pos.x+dir.x,y=pos.y,z=pos.z+dir.z}
+			local p = vector.add(pos, dir)
 			local n2 = minetest.get_node(p)
-			if minetest.get_item_group(n2.name, "bed") == 2 and n.param2 == n2.param2 then
+			if minetest.get_item_group(n2.name, "bed") == 2
+			and n.param2 == n2.param2 then
 				minetest.remove_node(p)
 			end
 		end,
diff --git a/mods/screwdriver/init.lua b/mods/screwdriver/init.lua
index 65e7f004..3cd68a03 100644
--- a/mods/screwdriver/init.lua
+++ b/mods/screwdriver/init.lua
@@ -25,14 +25,16 @@ local function screwdriver_handler(itemstack, user, pointed_thing, mode)
 
 	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
+	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
 
-	if ndef.can_dig and not ndef.can_dig(pos, user) then
+	if ndef.can_dig
+	and not ndef.can_dig(pos, user) then
 		return
 	end
 
@@ -48,9 +50,23 @@ local function screwdriver_handler(itemstack, user, pointed_thing, mode)
 		rotationPart = nextrange(axisdir, 5) * 4
 	end
 
+	if ndef.on_destruct then
+		ndef.on_destruct(vector.new(pos))
+	end
+
+	local oldnode = ndef.after_destruct and table.copy(node)
+
 	node.param2 = preservePart + rotationPart
 	minetest.swap_node(pos, node)
 
+	if oldnode then
+		ndef.after_destruct(vector.new(pos), oldnode)
+	end
+
+	if ndef.on_construct then
+		ndef.on_construct(vector.new(pos))
+	end
+
 	if not minetest.setting_getbool("creative_mode") then
 		itemstack:add_wear(65535 / (USES - 1))
 	end