full trading support for networked games

1 files changed, 17 insertions, 7 deletions

diff --git a/src/core/inventory.h b/src/core/inventory.h
index 7aaf299..80dbde1 100644
--- a/src/core/inventory.h
+++ b/src/core/inventory.h
@@ -45,7 +45,8 @@ public:
 	};
 
 	/**
-	 * @brief return the timestamp
+	 * @brief return the timestamp of the last server update
+	 * This is a client-side property and shoul not be used server-side
 	 */
 	inline const unsigned long timestamp() const {
 		return inventory_timestamp;
@@ -72,6 +73,10 @@ public:
 		return inventory_capacity - inventory_capacity_used;
 	}
 	
+	inline const bool dirty() const {
+		return inventory_dirty;
+	}
+	
 	/**
 	 * @brief returns the number of units of an item that can be stored in this inventory
 	 * @param credits number of player credits, limits the amount
@@ -109,21 +114,24 @@ public:
 	 
 	/**
 	 * @brief mark the inventory as dirty
-	 * This method will set the timestamp to the current game time
-	 * and will recalculate the available capacity
-	 * @see recalculate()
 	 */	 
-	 void set_dirty();
+	 void set_dirty(const bool dirty = true);
 	 
 	 /**
 	 * @brief set the maximal inventory capacity, in cubic meters
 	 */
 	 void set_capacity(const float capacity);
 
-private:
-	// recalculate inventory capacity
+ 	/// recalculate inventory capacity
 	void recalculate();
+	
+	/// serialize a server-to-client update on a stream
+	void serialize_server_update(std::ostream & os) const;
 
+	/// receive a server-to-client update from a stream
+	void receive_server_update(std::istream &is);
+
+private:
 	// items in the inventory
 	Items			inventory_items;
 	
@@ -135,6 +143,8 @@ private:
 	
 	// current capacity used, in cubic meters
 	float			inventory_capacity_used;
+	
+	bool			inventory_dirty;
 };
 
 } // namsepace core