X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Frollback_interface.cpp;h=808b07fed9545a7b5032d54e6898a6ca29e2a6df;hb=58e6d25e033c76dc91aaac18fdeda92ac23fe0e1;hp=e15fe3da3155aba623589201fa98e9b2ce9edced;hpb=0190f9b077dcb2b8cb41c622dd91ffc1e04dacac;p=oweals%2Fminetest.git

diff --git a/src/rollback_interface.cpp b/src/rollback_interface.cpp
index e15fe3da3..808b07fed 100644
--- a/src/rollback_interface.cpp
+++ b/src/rollback_interface.cpp
@@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
@@ -289,6 +289,24 @@ bool RollbackAction::isImportant(IGameDef *gamedef) const
 	}
 }
 
+bool RollbackAction::getPosition(v3s16 *dst) const
+{
+	switch(type){
+	case RollbackAction::TYPE_SET_NODE:
+		if(dst) *dst = p;
+		return true;
+	case RollbackAction::TYPE_MODIFY_INVENTORY_STACK: {
+		InventoryLocation loc;
+		loc.deSerialize(inventory_location);
+		if(loc.type != InventoryLocation::NODEMETA)
+			return false;
+		if(dst) *dst = loc.p;
+		return true; }
+	default:
+		return false;
+	}
+}
+
 bool RollbackAction::applyRevert(Map *map, InventoryManager *imgr, IGameDef *gamedef) const
 {
 	try{
@@ -322,7 +340,13 @@ bool RollbackAction::applyRevert(Map *map, InventoryManager *imgr, IGameDef *gam
 				if(n_old.meta != ""){
 					if(!meta){
 						meta = new NodeMetadata(gamedef);
-						map->setNodeMetadata(p, meta);
+						if(!map->setNodeMetadata(p, meta)){
+							delete meta;
+							infostream<<"RollbackAction::applyRevert(): "
+									<<"setNodeMetadata failed at "
+									<<PP(p)<<" for "<<n_old.name<<std::endl;
+							return false;
+						}
 					}
 					std::istringstream is(n_old.meta, std::ios::binary);
 					meta->deSerialize(is);