From 76a39e71b9f81531e14efd7ec1b0accfefa0fa66 Mon Sep 17 00:00:00 2001
From: Luke aka SwissalpS <Luke@SwissalpS.ws>
Date: Wed, 25 Dec 2019 22:23:34 +0100
Subject: [PATCH] Cleanup duplicate call (#522)

---
 wrench/init.lua |   58 ++++++++++++++++++++++++++++++++--------------------------
 1 files changed, 32 insertions(+), 26 deletions(-)

diff --git a/wrench/init.lua b/wrench/init.lua
index fbe1e10..adb80c9 100644
--- a/wrench/init.lua
+++ b/wrench/init.lua
@@ -24,10 +24,7 @@
 
 local function get_meta_type(name, metaname)
 	local def = wrench.registered_nodes[name]
-	if not def or not def.metas or not def.metas[metaname] then
-		return nil
-	end
-	return def.metas[metaname]
+	return def and def.metas and def.metas[metaname] or nil
 end
 
 local function get_pickup_name(name)
@@ -36,14 +33,21 @@
 
 local function restore(pos, placer, itemstack)
 	local name = itemstack:get_name()
+	local node = minetest.get_node(pos)
 	local meta = minetest.get_meta(pos)
 	local inv = meta:get_inventory()
-	local data = minetest.deserialize(itemstack:get_metadata())
-	minetest.set_node(pos, {name = data.name})
-	local lists = data.lists
-	for listname, list in pairs(lists) do
-		inv:set_list(listname, list)
+	local data = itemstack:get_meta():get_string("data")
+	data = (data ~= "" and data) or	itemstack:get_metadata()
+	data = minetest.deserialize(data)
+	if not data then
+		minetest.remove_node(pos)
+		minetest.log("error", placer:get_player_name().." wanted to place "..
+				name.." at "..minetest.pos_to_string(pos)..
+				", but it had no data.")
+		minetest.log("verbose", "itemstack: "..itemstack:to_string())
+		return true
 	end
+	minetest.set_node(pos, {name = data.name, param2 = node.param2})
 	for name, value in pairs(data.metas) do
 		local meta_type = get_meta_type(data.name, name)
 		if meta_type == wrench.META_TYPE_INT then
@@ -53,6 +57,10 @@
 		elseif meta_type == wrench.META_TYPE_STRING then
 			meta:set_string(name, value)
 		end
+	end
+	local lists = data.lists
+	for listname, list in pairs(lists) do
+		inv:set_list(listname, list)
 	end
 	itemstack:take_item()
 	return itemstack
@@ -95,8 +103,9 @@
 		if not placer or not pos then
 			return
 		end
-		if minetest.is_protected(pos, placer:get_player_name()) then
-			minetest.record_protection_violation(pos, placer:get_player_name())
+		local player_name = placer:get_player_name()
+		if minetest.is_protected(pos, player_name) then
+			minetest.record_protection_violation(pos, player_name)
 			return
 		end
 		local name = minetest.get_node(pos).name
@@ -111,11 +120,11 @@
 			return
 		end
 		local meta = minetest.get_meta(pos)
-		if def.owned then
+		if def.owned and not minetest.check_player_privs(placer, "protection_bypass") then
 			local owner = meta:get_string("owner")
-			if owner and owner ~= placer:get_player_name() then
-				minetest.log("action", placer:get_player_name()..
-					" tried to pick up a owned node belonging to "..
+			if owner and owner ~= player_name then
+				minetest.log("action", player_name..
+					" tried to pick up an owned node belonging to "..
 					owner.." at "..
 					minetest.pos_to_string(pos))
 				return
@@ -129,9 +138,6 @@
 		local inv = meta:get_inventory()
 		local lists = {}
 		for _, listname in pairs(def.lists or {}) do
-			if not inv:is_empty(listname) then
-				empty = false
-			end
 			local list = inv:get_list(listname)
 			for i, stack in pairs(list) do
 				list[i] = stack:to_string()
@@ -139,20 +145,20 @@
 			lists[listname] = list
 		end
 		metadata.lists = lists
-		
-		local metas = {}
+
+		local item_meta = stack:get_meta()
+		metadata.metas = {}
 		for name, meta_type in pairs(def.metas or {}) do
 			if meta_type == wrench.META_TYPE_INT then
-				metas[name] = meta:get_int(name)
+				metadata.metas[name] = meta:get_int(name)
 			elseif meta_type == wrench.META_TYPE_FLOAT then
-				metas[name] = meta:get_float(name)
+				metadata.metas[name] = meta:get_float(name)
 			elseif meta_type == wrench.META_TYPE_STRING then
-				metas[name] = meta:get_string(name)
+				metadata.metas[name] = meta:get_string(name)
 			end
 		end
-		metadata.metas = metas
-		
-		stack:set_metadata(minetest.serialize(metadata))
+
+		item_meta:set_string("data", minetest.serialize(metadata))
 		minetest.remove_node(pos)
 		itemstack:add_wear(65535 / 20)
 		player_inv:add_item("main", stack)

--
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