trade updates

1 files changed, 13 insertions, 1 deletions

diff --git a/src/core/inventory.cc b/src/core/inventory.cc
index e1a74dc..6afa76f 100644
--- a/src/core/inventory.cc
+++ b/src/core/inventory.cc
@@ -4,6 +4,7 @@
    the terms of the GNU General Public License version 2
 */
 
+#include "core/application.h"
 #include "core/inventory.h"
 #include "sys/sys.h"
 
@@ -14,12 +15,23 @@ namespace core
 
 Inventory::Inventory()
 {
-	
+	inventory_timestamp = 0;
 }
 
 Inventory::~Inventory()
 {
 	clear();
+	inventory_timestamp = 0;
+}
+
+void Inventory::set_timestamp(const unsigned long timestamp)
+{
+	inventory_timestamp = timestamp;
+}
+
+void Inventory::mark()
+{
+	inventory_timestamp = core::game()->timestamp();
 }
 
 void Inventory::add(Item *item)