initial commodities and entity inventory, bump network proto version to 18

24 files changed, 599 insertions, 296 deletions

diff --git a/src/auxiliary/functions.cc b/src/auxiliary/functions.cc
index 5dbc012..668c108 100644
--- a/src/auxiliary/functions.cc
+++ b/src/auxiliary/functions.cc
@@ -159,6 +159,8 @@ void to_label(std::string &text)
 			pos++;
 		} else if ((text[pos] >= '0') && (text[pos] <= '9')) {
 			pos++;
+		} else if (text[pos] == '/') {
+			pos++;
 		} else {
 			text.erase(pos, 1);
 		}
diff --git a/src/core/Makefile.am b/src/core/Makefile.am
index c780239..fce79a6 100644
--- a/src/core/Makefile.am
+++ b/src/core/Makefile.am
@@ -3,7 +3,7 @@ INCLUDES = -I$(top_srcdir)/src
 
 libcore_la_SOURCES = application.cc commandbuffer.cc core.cc cvar.cc \
 	descriptions.cc entity.cc extension.cc func.cc gameconnection.cc gameinterface.cc \
-	gameserver.cc info.cc item.cc loader.cc module.cc netclient.cc netconnection.cc \
+	gameserver.cc info.cc item.cc inventory.cc loader.cc module.cc netclient.cc netconnection.cc \
 	netplayer.cc netserver.cc parser.cc player.cc stats.cc timer.cc zone.cc
 libcore_la_LDFLAGS = -avoid-version -no-undefined
 libcore_la_LIBADD = $(top_builddir)/src/model/libmodel.la \
@@ -14,4 +14,4 @@ noinst_LTLIBRARIES = libcore.la
 noinst_HEADERS = application.h commandbuffer.h core.h cvar.h entity.h func.h \
 	gameconnection.h gameinterface.h gameserver.h message.h module.h net.h netclient.h \
 	netconnection.h netserver.h player.h range.h stats.h timer.h parser.h descriptions.h \
-	extension.h loader.h info.h item.h
+	extension.h loader.h info.h item.h inventory.h
diff --git a/src/core/commandbuffer.cc b/src/core/commandbuffer.cc
index eb13382..fc98e21 100644
--- a/src/core/commandbuffer.cc
+++ b/src/core/commandbuffer.cc
@@ -87,11 +87,6 @@ void func_list_module(std::string const &args)
 	Loader::list();
 }
 
-void func_list_item(std::string const &args)
-{
-	Item::list();
-}
-
 void func_set(std::string const &args)
 {
 	std::istringstream argstream(args);
@@ -197,9 +192,6 @@ void CommandBuffer::init()
 	func = Func::add("list_info", (FuncPtr)func_list_info);
 	func->set_info("list info records");
 
-	func = Func::add("list_item", (FuncPtr)func_list_item);
-	func->set_info("list item types");
-
 	func = Func::add("list_var", (FuncPtr)func_list_var);
 	func->set_info("list variables");
 
diff --git a/src/core/entity.cc b/src/core/entity.cc
index ce313e6..d01d825 100644
--- a/src/core/entity.cc
+++ b/src/core/entity.cc
@@ -114,6 +114,9 @@ Entity::Entity(const unsigned int flags) :
 	entity_visible = true;
 
 	entity_serverside = false;
+	
+	entity_inventory = 0;
+	entity_info = 0;
 
 	memset(entity_extension, 0, sizeof(entity_extension));
 
@@ -133,6 +136,9 @@ Entity::Entity(std::istream & is)
 
 	entity_created = true;
 	entity_destroyed = false;
+	
+	entity_inventory = 0;
+	entity_info = 0;
 
 	memset(entity_extension, 0, sizeof(entity_extension));
 }
@@ -151,6 +157,10 @@ Entity::~Entity()
 		delete(*it);
 	}
 	menus().clear();
+	
+	// delete inventory
+	if (entity_inventory)
+		delete entity_inventory;
 
 	if (entity_zone)
 		entity_zone->remove(this);
@@ -168,6 +178,19 @@ void Entity::clear_updates()
 	entity_oldzone = 0;
 }
 
+void Entity::set_info(Info *info)
+{
+	entity_info = info;
+}
+
+void Entity::set_inventory(Inventory *inventory)
+{
+	if (entity_inventory && (entity_inventory != inventory)) {
+		delete entity_inventory;
+	}
+	entity_inventory = inventory;
+}
+
 void Entity::set_zone(Zone *zone)
 {
 	if (entity_zone == zone)
diff --git a/src/core/entity.h b/src/core/entity.h
index 92cb5ab..ed0b1f8 100644
--- a/src/core/entity.h
+++ b/src/core/entity.h
@@ -26,6 +26,7 @@ class EntityControlable;
 
 #include "core/extension.h"
 #include "core/descriptions.h"
+#include "core/inventory.h"
 #include "core/player.h"
 #include "core/zone.h"
 
@@ -169,6 +170,11 @@ public:
 		return entity_visible;
 	}
 
+	///entity inventory
+	inline Inventory *inventory() {
+		return entity_inventory;
+	}
+	
 	/// entity menus
 	inline Menus &menus() {
 		return entity_menus;
@@ -303,6 +309,14 @@ public:
 		return entity_color_second;
 	}
 
+	/**
+	 * @brief add an inventory to this entity
+	 * Entity takes ownership over the inventory pointer
+	 */
+	 void set_inventory(Inventory *inventory);
+	 
+	 void set_info(Info *info);
+	 
 	/* ---- deserializers -------------------------------------- */
 
 	/// receive a client-to-server update from a stream
@@ -390,6 +404,9 @@ private:
 	Zone*			entity_oldzone;
 
 	Menus			entity_menus;
+	
+	Inventory*		entity_inventory;
+	Info*			entity_info;
 
 	Extension*		entity_extension[4];
 
diff --git a/src/core/gameconnection.cc b/src/core/gameconnection.cc
index b615b5f..c0a769c 100644
--- a/src/core/gameconnection.cc
+++ b/src/core/gameconnection.cc
@@ -99,8 +99,6 @@ Info *GameConnection::info(const std::string &label)
 
 	// create a new information record and set the label
 	info = new Info(label);
-	Info::add(info);
-
 	info->text().push_back("Requesting information...");
 
 	// send an information request to the server
diff --git a/src/core/gameinterface.cc b/src/core/gameinterface.cc
index 272c349..b37f11a 100644
--- a/src/core/gameinterface.cc
+++ b/src/core/gameinterface.cc
@@ -13,7 +13,6 @@
 #include "core/cvar.h"
 #include "core/func.h"
 #include "core/info.h"
-#include "core/item.h"
 #include "core/gameinterface.h"
 #include "core/player.h"
 #include "core/zone.h"
@@ -142,13 +141,9 @@ void GameInterface::clear()
 	// remove all models
 	model::Model::clear();
 
-
 	// remove infos
 	Info::clear();
 
-	// remove items
-	Item::clear();
-
 	// clear player list
 	for (Players::iterator it = game_players.begin(); it != game_players.end(); it++) {
 		Player *player = (*it);
diff --git a/src/core/info.cc b/src/core/info.cc
index 745bc3b..4e5399a 100644
--- a/src/core/info.cc
+++ b/src/core/info.cc
@@ -12,14 +12,65 @@
 namespace core
 {
 
-Info::Registry Info::info_registry;
+/* ---- class Info ------------------------------------------------- */
+
+// default constructor
+Info::Info()
+{
+	static_info_id_counter++;
+	info_id = static_info_id_counter;
+	
+	info_model = 0;
+	info_timestamp = 0;
+
+	add(this);
+}
 
 Info::Info(const std::string & label)
 {
+	static_info_id_counter++;
+	info_id = static_info_id_counter;
+	
+	info_timestamp = 0;
+	info_model = 0;
+	
 	info_label.assign(label);
 	aux::to_lowercase(info_label);
 	aux::strip_quotes(info_label);
+	
+	add(this);
+}
+
+Info::Info(const unsigned int id)
+{
+	info_id = id;
+	
+	info_timestamp = 0;
+	info_model = 0;
+	
+	add(this);
+}
+
+Info::~Info()
+{
+	info_text.clear();
+	info_label.clear();
+	info_modelname.clear();
+	info_text.clear();
 	info_timestamp = 0;
+	info_model = 0;
+}
+
+void Info::set_label(const std::string & label)
+{
+	info_label.assign(label);
+	aux::to_label(info_label);
+}
+
+void Info::set_label(const char *label)
+{
+	info_label.assign(label);
+	aux::to_label(info_label);
 }
 
 void Info::set_name(const std::string & name)
@@ -42,6 +93,11 @@ void Info::set_modelname(const char *modelname)
 	info_modelname.assign(modelname);
 }
 
+void Info::set_model(const model::Model *model)
+{
+	info_model = model;
+}
+
 void Info::set_timestamp(const unsigned long timestamp)
 {
 	info_timestamp = timestamp;
@@ -71,7 +127,7 @@ void Info::clear_text()
 
 void Info::serialize_server_update(std::ostream & os) const
 {
-	os << '"' << name() << "\" \"" << modelname() << "\" " << info_text.size() << " ";
+	os << '"' << label() << "\" \"" << name() << "\" \"" << modelname() << "\" " << info_text.size() << " ";
 
 	for (Text::const_iterator it = info_text.begin(); it != info_text.end(); it++) {
 		if (it != info_text.begin())
@@ -86,6 +142,12 @@ void Info::receive_server_update(std::istream &is)
 	std::string n;
 	char c;
 
+	// read label
+	while ((is.get(c)) && (c != '"'));
+	while ((is.get(c)) && (c != '"'))
+		n += c;
+	info_label.assign(n);
+	
 	// read name
 	while ((is.get(c)) && (c != '"'));
 	while ((is.get(c)) && (c != '"'))
@@ -114,13 +176,6 @@ void Info::receive_server_update(std::istream &is)
 	}
 }
 
-Info::~Info()
-{
-	info_text.clear();
-	info_modelname.clear();
-	info_text.clear();
-}
-
 void Info::print() const
 {
 	con_print << "label: ^B" << label() << " ^Nname: ^B" << name() << " ^Nmodel: ^B" << modelname() << "^N" << std::endl;
@@ -130,20 +185,24 @@ void Info::print() const
 	}
 }
 
+
 /* ---- static info registry --------------------------------------- */
 
+Info::Registry Info::info_registry;
+unsigned int Info::static_info_id_counter = 0;
+
 void Info::add(Info *info)
 {
-	if (find(info->label()))
-		return;
-
-	info_registry[info->label()] = info;
+	info_registry.push_back(info);
 }
 
 Info *Info::find(const char *label)
 {
+	if (!label)
+		return 0;
+		
 	for (Registry::iterator it = info_registry.begin(); it != info_registry.end(); it++) {
-		Info *info = (*it).second;
+		Info *info = (*it);
 		if (info->label().compare(label) == 0) {
 			return info;
 		}
@@ -153,8 +212,11 @@ Info *Info::find(const char *label)
 
 Info *Info::find(const std::string & label)
 {
+	if (!label.size())
+		return 0;
+		
 	for (Registry::iterator it = info_registry.begin(); it != info_registry.end(); it++) {
-		Info *info = (*it).second;
+		Info *info = (*it);
 		if (info->label().compare(label) == 0) {
 			return info;
 		}
@@ -162,19 +224,34 @@ Info *Info::find(const std::string & label)
 	return 0;
 }
 
+Info *Info::find(const unsigned int id)
+{
+	if (!id)
+		return 0;
+		
+	for (Registry::iterator it = info_registry.begin(); it != info_registry.end(); it++) {
+		Info *info = (*it);
+		if (info->id() == id) {
+			return info;
+		}
+	}
+	return 0;
+}
+
 void Info::clear()
 {
 	for (Registry::iterator it = info_registry.begin(); it != info_registry.end(); it++) {
-		Info *info = (*it).second;;
+		Info *info = (*it);
 		delete info;
 	}
 	info_registry.clear();
+	static_info_id_counter = 0;
 }
 
 void Info::list()
 {
 	for (Registry::iterator it = info_registry.begin(); it != info_registry.end(); it++) {
-		Info *info = (*it).second;;
+		Info *info = (*it);
 		con_print << info->label() << std::endl;
 	}
 	con_print << info_registry.size() << " registered info " << aux::plural("record", info_registry.size()) << std::endl;
diff --git a/src/core/info.h b/src/core/info.h
index 8395954..9f1fab8 100644
--- a/src/core/info.h
+++ b/src/core/info.h
@@ -9,7 +9,7 @@
 
 #include <iostream>
 #include <string>
-#include <map>
+#include <vector>
 #include <deque>
 
 #include "model/model.h"
@@ -18,19 +18,34 @@ namespace core
 {
 
 /**
- * an information record
+ * @brief an information record
+ * An information record holds extended information about a specific entity or item class.
+ * This information isexchanged between server and the client, and can be used to build 
+ * HUD widgets/
  */
 class Info
 {
 public:
+	/// type definition for the text description
+	typedef std::deque<std::string> Text;
+	
+	/// create a new labeled information record
+	Info();
+	
 	/// create a new labeled information record
 	Info(const std::string & label);
+	
+	Info(const unsigned int id);
 
 	/// delete the information record
 	~Info();
 
-	typedef std::deque<std::string> Text;
+	/* ---- inspectors ------------------------------------------------- */
 
+	inline const unsigned int id() const {
+		return info_id;
+	}
+	
 	inline const std::string & label() const {
 		return info_label;
 	}
@@ -42,15 +57,26 @@ public:
 	inline const std::string & modelname() const {
 		return info_modelname;
 	}
+	
+	inline const model::Model *model() const {
+		return info_model;
+	}
 
 	inline const unsigned long &timestamp() const {
 		return info_timestamp;
 	}
 
+	/// text description
 	inline Text & text() {
 		return info_text;
 	}
 
+	/* ---- mutators --------------------------------------------------- */
+	
+	void set_label(const std::string & name);
+
+	void set_label(const char *name);
+
 	void set_name(const std::string & name);
 
 	void set_name(const char *name);
@@ -58,16 +84,12 @@ public:
 	void set_modelname(const std::string & modelname);
 
 	void set_modelname(const char *modelname);
+	
+	void set_model(const model::Model *model);
 
 	/// set the timestamp
 	void set_timestamp(const unsigned long timestamp);
 
-	/// clear the timestamp
-	void clear_timestamp();
-
-	/// add a line of info text
-	void add_text(const char *text);
-
 	/// add a line of info text
 	void add_text(const std::string & text);
 
@@ -76,25 +98,54 @@ public:
 
 	/// print info to sys::con_out
 	void print() const;
+	
+	/// clear the timestamp
+	void clear_timestamp();
 
+	/// add a line of info text
+	void add_text(const char *text);
+	
+	/* ---- serializers ------------------------------------------------ */
+	
 	/// 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);
 
-	/* ---- static info registry --------------------------------------- */
+private:
 
-	typedef std::map<std::string, Info*> Registry;
+	unsigned int	info_id;
+	
+	std::string		info_label;
+	std::string		info_name;
+	std::string		info_modelname;
+	
+	const model::Model*	info_model;
+	
+	long			info_credits;
+	unsigned long	info_timestamp;
 
-	/// add an item to the info regsitry
-	static void add(Info *info);
+	Text			info_text;
 
-	/// search the info registry for a labeled item
+	/* ---- static info registry --------------------------------------- */
+	
+public:
+	/// info registry type definition
+	typedef std::vector<Info*> Registry;
+	
+	/// the info registry
+	static inline Registry & registry() {
+		return info_registry;
+	}
+		/// search the info registry for a labeled item
 	static Info *find(const char * label);
 
-	/// search the info registry for a labeled item
+	/// search the info registry for a label
 	static Info *find(const std::string & label);
+	
+	/// search the info registry for an id
+	static Info *find(const unsigned int id);
 
 	/// clear the info registry
 	static void clear();
@@ -102,21 +153,12 @@ public:
 	/// list the info registry
 	static void list();
 
-	/// the info registry
-	static inline Registry & registry() {
-		return info_registry;
-	}
-
 private:
-	std::string		info_label;
-	std::string		info_name;
-	std::string		info_modelname;
-	Text			info_text;
-
-	long			info_credits;
-	static Registry		info_registry;
+	/// add a record to the info registry
+	static void add(Info *info);
 
-	unsigned long	info_timestamp;
+	static Registry				info_registry;
+	static unsigned int			static_info_id_counter;
 };
 
 }
diff --git a/src/core/inventory.cc b/src/core/inventory.cc
new file mode 100644
index 0000000..a58664c
--- /dev/null
+++ b/src/core/inventory.cc
@@ -0,0 +1,69 @@
+/*
+   core/inventory.cc
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#include "core/inventory.h"
+#include "sys/sys.h"
+
+namespace core
+{
+
+/* ---- class Inventory -------------------------------------------- */
+
+Inventory::Inventory()
+{
+	
+}
+
+Inventory::~Inventory()
+{
+	clear();
+}
+
+void Inventory::add(Item *item)
+{
+	for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
+		// check if the item was already added
+		if ((*it) == item)
+			return;
+	}
+	inventory_items.push_back(item);
+}
+
+void Inventory::remove(Item *item)
+{
+	for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
+		if ((*it) == item) {
+			inventory_items.erase(it);
+			delete item;
+			return;
+		}
+	}
+}
+
+Item *Inventory::find(unsigned int const class_id, unsigned int const info_id)
+{
+	// sarch the inventory for a specified item type
+	for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
+		Item *item = (*it);
+		if ((item->class_id() == class_id) && (item->info_id() == info_id )) {
+			return item;
+		}
+	}
+	// not found
+	return 0;
+}
+
+void Inventory::clear()
+{
+	for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
+		Item *item = (*it);
+		delete item;
+	}
+	inventory_items.clear();
+}
+
+} // namespace core
+
diff --git a/src/core/inventory.h b/src/core/inventory.h
new file mode 100644
index 0000000..0a1db92
--- /dev/null
+++ b/src/core/inventory.h
@@ -0,0 +1,64 @@
+/*
+   core/inventory.h
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#ifndef __INCLUDED_CORE_INVENTORY_H__
+#define __INCLUDED_CORE_INVENTORY_H__
+
+#include "core/item.h"
+
+#include <vector>
+
+namespace core
+{
+
+/**
+ * @brief an entity inventory
+ */
+class Inventory
+{
+public:
+	/**
+	 * @brief type definition for the items in the inventory
+	 */
+	typedef std::vector<Item *> Items;
+	
+	/**
+	 * @brief default constructor
+	 */
+	Inventory();
+	
+	/**
+	 * @brief default destructor
+	 */
+	~Inventory();
+	
+	/**
+	 * @brief add an item to the inventory
+	 */
+	void add(Item *item);
+	
+	/**
+	 * @brief remove an item from the inventory and delete it
+	 */
+	void remove(Item *item);
+
+	/**
+	 * @brief removes all items from the inventory and delete them
+	 */	
+	 void clear();
+	 
+	 /**
+	 * @brief search the inventory for a specific item type
+	 */	
+	 Item *find(unsigned int const class_id, unsigned int const info_id);
+	 
+private:
+	Items						inventory_items;
+};
+
+} // namsepace core
+
+#endif // __INCLUDED_CORE_INVENTORY_H__
diff --git a/src/core/item.cc b/src/core/item.cc
index 53da74d..a029674 100644
--- a/src/core/item.cc
+++ b/src/core/item.cc
@@ -12,102 +12,24 @@ namespace core
 
 /* ---- class Item ------------------------------------------------- */
 
-
-Item::Registry Item::item_registry;
-
-void Item::add_class(ItemClass * itemclass)
-{
-
-}
-
-void Item::add_type(ItemClass * itemclass, ItemType *itemtype)
-{
-
-}
-
-void Item::find_class(const char *label)
-{
-
-}
-
-void Item::clear()
-{
-	for (Registry::iterator it = item_registry.begin(); it != item_registry.end(); it++) {
-		delete(*it);
-	}
-	item_registry.clear();
-}
-
-void Item::list()
-{
-	for (Registry::iterator it = item_registry.begin(); it != item_registry.end(); it++) {
-		con_print << "  item class ^B " << (*it)->name() << std::endl;
-		(*it)->list();
-	}
-	con_print << item_registry.size() << " registered item classes" << std::endl;
-}
-
-/* ---- class ItemClass -------------------------------------------- */
-
-ItemClass::ItemClass(const char *label)
+Item::Item(const unsigned int class_id, const unsigned int info_id)
 {
-	if (label) {
-		itemclass_label.assign(label);
-	} else {
-		itemclass_label.clear();
-	}
-}
-
-ItemClass::~ItemClass()
-{
-	for (Types::iterator it = itemclass_types.begin(); it != itemclass_types.end(); it++) {
-		delete(*it);
-	}
-}
-
-void ItemClass::list()
-{
-}
-
-void ItemClass::set_name(const std::string &name)
-{
-	itemclass_name.assign(name);
-}
-
-void ItemClass::add_type(ItemType *itemtype)
-{
-	for (Types::iterator it = itemclass_types.begin(); it != itemclass_types.end(); it++) {
-		con_print << "    " << (*it)->name() << std::endl;
-	}
-}
-
-ItemType *ItemClass::find_type(const char *label)
-{
-	return 0;
-}
-
-/* ---- class ItemType --------------------------------------------- */
-
-ItemType::ItemType(const char *label)
-{
-	if (label) {
-		itemtype_label.assign(label);
-	} else {
-		itemtype_label.clear();
-	}
-
-	itemtype_baseprice = 0;
+	item_class_id = class_id;
+	item_info_id = info_id;
+	
+	item_amount = 0;
+	item_info = Info::find(info_id);
 }
 
-void ItemType::set_name(const std::string &name)
+Item::~Item()
 {
-	itemtype_name.assign(name);
+	item_amount = 0;
 }
 
-void ItemType::set_baseprice(const float baseprice)
+void Item::set_amount(const int amount)
 {
-	itemtype_baseprice = 0;
+	item_amount = amount;
 }
 
-} // class core
+} // namespace core
 
diff --git a/src/core/item.h b/src/core/item.h
index 0845c21..f88da57 100644
--- a/src/core/item.h
+++ b/src/core/item.h
@@ -7,93 +7,53 @@
 #ifndef __INCLUDED_CORE_ITEM_H__
 #define __INCLUDED_CORE_ITEM_H__
 
-#include <string>
-#include <vector>
+#include "core/info.h"
 
 namespace core
 {
 
 /**
- * @brief a specific type of item in the game
- * Examples are tritanium hull armor, ion cannon, iron ore
+ * @brief an item in the inventory of an entity
+ * The info record represents the type of the item
  */
-class ItemType
+class Item
 {
 public:
-	ItemType(const char *label);
-
-	inline const std::string &label() {
-		return itemtype_label;
-	}
-
-	inline const std::string &name() {
-		return itemtype_name;
-	}
-
-	inline const float baseprice() {
-		return itemtype_baseprice;
-	}
-
-	void set_name(const std::string &name);
-
-	void set_baseprice(const float baseprice);
-
+	Item(const unsigned int class_id, const unsigned int info_id);
+	
+	~Item();
+	
+	/* ---- inspectors --------------------------------------------- */
+	
+	 inline unsigned int class_id() const { return item_class_id; }
+	 
+	 inline unsigned int info_id() const { return item_info_id; }
+	 
+	/**
+	 * @brief associated amount
+	 */
+	 inline int amount() const { return item_amount; }
+
+	/**
+	 * @brief information record
+	 */
+	 inline Info *info();
+	 
+	/* ---- mutators ----------------------------------------------- */
+
+	/**
+	 * @brief set associated amount
+	 */
+	 void set_amount(const int amount);
+	 
 private:
-	std::string	itemtype_label;
-	std::string	itemtype_name;
-
-	float		itemtype_baseprice;
+	unsigned int	item_class_id;
+	unsigned int	item_info_id;
+	int 			item_amount;
+	
+	Info			*item_info;
 };
 
+} // namespace core
 
-/**
- * @brief a class of items
- * Examples are armor, cannons, commodities...
- */
-class ItemClass
-{
-public:
-	typedef std::vector<ItemType *> Types;
-
-	ItemClass(const char *label);
-	~ItemClass();
-
-	inline const std::string &label() {
-		return itemclass_label;
-	}
-
-	inline const std::string &name() {
-		return itemclass_name;
-	}
-
-	ItemType *find_type(const char *label);
-
-	void set_name(const std::string &name);
-
-	void add_type(ItemType *itemtype);
-
-	void list();
-
-private:
-	std::string	itemclass_label;
-	std::string	itemclass_name;
-
-	Types itemclass_types;
-};
-
-class Item
-{
-public:
-	typedef std::vector<ItemClass *> Registry;
-
-	static void add_class(ItemClass * itemclass);
-	static void add_type(ItemClass * itemclass, ItemType *itemtype);
-	static void find_class(const char *label);
-	static void clear();
-	static void list();
-
-	static Registry item_registry;
-};
-
-}
-#endif
+#endif // __INCLUDED_CORE_ITEM_H__
diff --git a/src/core/net.h b/src/core/net.h
index cd8e249..a217d94 100644
--- a/src/core/net.h
+++ b/src/core/net.h
@@ -11,7 +11,7 @@ namespace core
 {
 
 /// network protocol version
-const unsigned int PROTOCOLVERSION = 17;
+const unsigned int PROTOCOLVERSION = 18;
 
 /// maximum lenght of a (compressed) network message block
 const unsigned int FRAMESIZE = 1152;
diff --git a/src/core/netconnection.cc b/src/core/netconnection.cc
index c37fe05..39a25a3 100644
--- a/src/core/netconnection.cc
+++ b/src/core/netconnection.cc
@@ -436,6 +436,8 @@ void NetConnection::send_info_request(Info *info)
  * frame
  * sup <id>
  * pif <id>
+ * pid <id>
+ * inf <id>
  * zone
  */
 void NetConnection::parse_incoming_message(const std::string & message)
@@ -684,29 +686,27 @@ void NetConnection::parse_incoming_message(const std::string & message)
 				return;
 			}
 		}
+		
 	} else if (command == "inf") {
 
 		// incoming info record
-		std::string label;
-		char c;
-
-		while ((msgstream.get(c)) && (c != '"'));
-		while ((msgstream.get(c)) && (c != '"'))
-			label += c;
-
-		if (label.size()) {
-			Info *info = Info::find(label);
+		unsigned int id;
+		if (msgstream >> id) {
+		
+			Info *info = Info::find(id);
 			if (!info) {
-				info = new Info(label);
-				Info::add(info);
+				info = new Info(id);
 			}
 
 			info->receive_server_update(msgstream);
 			info->clear_timestamp();
+			
 		} else {
 			con_warn << "Received empty information record!" << std::endl;
 		}
+		
 	} else if (command == "sup") {
+	
 		if (connection_state == Connected) {
 			unsigned int id;
 			if (msgstream >> id) {
diff --git a/src/core/netserver.cc b/src/core/netserver.cc
index 1ae928b..c4eef11 100644
--- a/src/core/netserver.cc
+++ b/src/core/netserver.cc
@@ -562,7 +562,7 @@ void NetServer::send_player_disconnect_info(NetClient *client, Player *player)
 void NetServer::send_info_update(NetClient *client, Info *info)
 {
 	std::ostringstream msg;
-	msg << "inf " << '"' << info->label() << '"' << ' ';
+	msg << "inf " << info->id() <<  ' ';
 	info->serialize_server_update(msg);
 	msg << '\n';
 	client->send_raw(msg.str());
diff --git a/src/game/base/Makefile.am b/src/game/base/Makefile.am
index d2dfe64..c3625a0 100644
--- a/src/game/base/Makefile.am
+++ b/src/game/base/Makefile.am
@@ -2,8 +2,8 @@ INCLUDES = -I$(top_srcdir)/src -I$(top_srcdir)/src/game
 METASOURCES = AUTO
 libbase_la_LDFLAGS = -avoid-version
 noinst_LTLIBRARIES = libbase.la
-libbase_la_SOURCES = collision.cc game.cc jumppoint.cc navpoint.cc physics.cc \
+libbase_la_SOURCES = collision.cc commodity.cc game.cc jumppoint.cc navpoint.cc physics.cc \
 	planet.cc racetrack.cc ship.cc shipdealer.cc shipmodel.cc star.cc station.cc
-noinst_HEADERS = game.h collision.h jumppoint.h navpoint.h physics.h planet.h \
+noinst_HEADERS = game.h collision.h commodity.h jumppoint.h navpoint.h physics.h planet.h \
 	racetrack.h ship.h shipdealer.h shipmodel.h star.h station.h
 
diff --git a/src/game/base/commodity.cc b/src/game/base/commodity.cc
new file mode 100644
index 0000000..a9eb8c8
--- /dev/null
+++ b/src/game/base/commodity.cc
@@ -0,0 +1,25 @@
+/*
+   base/commodity.cc
+   This file is part of the Osirion project and is distributed under
+   the terms and conditions of the GNU General Public License version 2
+*/
+
+#include "base/commodity.h"
+#include "auxiliary/functions.h"
+#include "sys/sys.h"
+
+namespace game
+{
+
+/* ---- class Commodity -------------------------------------------- */
+
+Commodity::Commodity() : core::Info()
+{
+}
+
+Commodity::~Commodity()
+{
+}
+
+} // namespace game
+
diff --git a/src/game/base/commodity.h b/src/game/base/commodity.h
new file mode 100644
index 0000000..e226505
--- /dev/null
+++ b/src/game/base/commodity.h
@@ -0,0 +1,23 @@
+/*
+   base/commodity.h
+   This file is part of the Osirion project and is distributed under
+   the terms and conditions of the GNU General Public License version 2
+*/
+
+#ifndef __INCLUDED_BASE_COMMODITY_H__
+#define __INCLUDED_BASE_COMMODITY_H__
+
+#include "core/info.h"
+
+namespace game
+{
+class Commodity : public core::Info {
+
+public:
+	Commodity();
+	~Commodity();
+};
+
+} // namespace game
+
+#endif // __INCLUDED_BASE_COMMODITY_H__
diff --git a/src/game/base/game.cc b/src/game/base/game.cc
index 7ec54b3..fa02857 100644
--- a/src/game/base/game.cc
+++ b/src/game/base/game.cc
@@ -16,6 +16,7 @@
 #include "filesystem/inifile.h"
 #include "base/game.h"
 #include "base/collision.h"
+#include "base/commodity.h"
 #include "base/navpoint.h"
 #include "base/jumppoint.h"
 #include "base/planet.h"
@@ -336,6 +337,11 @@ Game::Game() : core::Module("Project::OSiRiON", true)
 
 	Physics::init();
 
+	if (!load_commodities()) {
+		abort();
+		return;
+	}
+	
 	if (!load_ships()) {
 		abort();
 		return;
@@ -814,6 +820,68 @@ bool Game::load_menus(core::Entity *entity, const std::string &menufilename)
 	return true;
 }
 
+// read commodities 
+bool Game::load_commodities()
+{
+	filesystem::IniFile commoditiesini;
+	commoditiesini.open("commodities");
+	if (!commoditiesini.is_open()) {
+		con_error << "Could not open " << commoditiesini.name() << "!" << std::endl;
+		return false;
+	}
+
+	con_print << "^BLoading commodities..." << std::endl;
+	
+	size_t count = 0;
+	
+	Commodity *commodity = 0;
+	std::string str;
+	
+	while (commoditiesini.getline()) {
+		if (commoditiesini.got_key()) {
+		
+			if (commoditiesini.section().compare("commodity") == 0) {
+				if (commoditiesini.got_key_string("label", str)) {
+					commodity->set_label(std::string("cargo/" + str));
+					count++;
+					continue;
+					
+				} else if (commoditiesini.got_key_string("name", str)) {
+					con_debug << "  " << str << std::endl;
+					commodity->set_name(str);
+					continue;
+
+				} else if (commoditiesini.got_key_string("info", str)) {
+					commodity->add_text(str);
+					continue;
+					
+				} else if (commoditiesini.got_key_string("model", str)) {
+					commodity->set_modelname(str);
+					continue;				
+				
+				} else {
+					commoditiesini.unkown_key();
+				}
+			}
+			
+		} else if (commoditiesini.got_section()) {		
+		
+			if (commoditiesini.got_section("commodity")) {
+				commodity = new Commodity();
+				
+			} else if (commoditiesini.got_section()) {
+				commoditiesini.unknown_section();
+			}		
+		}
+	}
+	
+	// add commodity infos
+	con_debug << "  " << commoditiesini.name() << " " << count << " commodities" << std::endl;
+	
+	commoditiesini.close();
+	return true;
+}
+
 // read ship model specifications
 bool Game::load_ships()
 {
@@ -827,6 +895,9 @@ bool Game::load_ships()
 		return false;
 	}
 
+	con_print << "^BLoading ships..." << std::endl;
+		
+	unsigned int type_id = 0;
 	ShipModel *shipmodel = 0;
 	std::string label;
 	std::string infostr;
@@ -872,7 +943,8 @@ bool Game::load_ships()
 			}
 		} else if (shipsini.got_section("ship")) {
 			if (shipmodel && !ShipModel::find(shipmodel)) delete shipmodel;
-			shipmodel = new ShipModel();
+			type_id++;
+			shipmodel = new ShipModel(type_id);
 			if (!Default::shipmodel)
 				Default::shipmodel = shipmodel;
 
@@ -880,20 +952,15 @@ bool Game::load_ships()
 			shipsini.unknown_section();
 		}
 	}
-	shipsini.close();
 
 	if (shipmodel && !ShipModel::find(shipmodel)) delete shipmodel;
 
 	// add shipmodel infos
-	for (ShipModel::iterator it = ShipModel::registry.begin(); it != ShipModel::registry.end(); it++) {
-		ShipModel *shipmodel = (*it).second;
-		core::Info *info = new core::Info("ship/" + shipmodel->label());
-		shipmodel->generate_info(info);
-		core::Info::add(info);
-	}
-
+	ShipModel::generate_info();
 	con_debug << "  " << shipsini.name() << " " << ShipModel::registry.size() << " ship models" << std::endl;
 
+	shipsini.close();
+	
 	return true;
 }
 
@@ -987,5 +1054,3 @@ void Game::player_disconnect(core::Player *player)
 }
 
 } // namespace game
-
-
diff --git a/src/game/base/game.h b/src/game/base/game.h
index 65084d3..a7e476e 100644
--- a/src/game/base/game.h
+++ b/src/game/base/game.h
@@ -34,6 +34,10 @@ const unsigned int jumppoint_enttype = 260;
 const unsigned int jumpgate_enttype = 261;
 const unsigned int station_enttype = 262;
 
+// info class type constants
+const unsigned int shipmodel_class_id = 1;
+const unsigned int commodity_class_id = 2;
+
 /// default player settings
 class Default
 {
@@ -85,6 +89,8 @@ private:
 
 	bool load_menus(core::Entity *entity, const std::string &menufilename);
 
+	bool load_commodities();
+	
 	bool load_ships();
 
 	bool load_player();
diff --git a/src/game/base/shipmodel.cc b/src/game/base/shipmodel.cc
index 6233120..fe1c88c 100644
--- a/src/game/base/shipmodel.cc
+++ b/src/game/base/shipmodel.cc
@@ -14,9 +14,9 @@ namespace game
 {
 
 // the ship model registry
-std::map<std::string, ShipModel *>	ShipModel::registry;
+ShipModel::Registry	ShipModel::registry;
 
-ShipModel::ShipModel()
+ShipModel::ShipModel(const unsigned int type_id)
 {
 	//default specifications
 	shipmodel_acceleration = 1.0f;	// thruster acceleration in game untits/second^2
@@ -26,6 +26,7 @@ ShipModel::ShipModel()
 	shipmodel_maxcargo = 0;
 
 	shipmodel_jumpdrive = false;
+	shipmodel_type_id = type_id;
 }
 
 ShipModel::~ShipModel()
@@ -51,45 +52,51 @@ void ShipModel::print()
 	con_print << "  cargo:         ^B" << maxcargo() << std::endl;
 }
 
-void ShipModel::generate_info(core::Info *info)
+void ShipModel::generate_info()
 {
-	info->clear_text();
-
-	info->set_name(name());
-	info->set_modelname(modelname());
-
-	// info text form ships.ini
-	for (core::Info::Text::iterator it = shipmodel_infotext.begin(); it != shipmodel_infotext.end(); it++) {
-		info->add_text((*it));
-	}
-
-	info->add_text("");
-	info->add_text("^BSpecifications:^N");
-	std::stringstream str;
-	str << "price:        ^B" << price() << " ^Ncredits";
-	info->add_text(str.str());
-	str.str("");
+	for (iterator it = registry.begin(); it != registry.end(); it++) {
+		ShipModel *shipmodel = (*it).second;
+		core::Info *info = new core::Info("ship/" + shipmodel->label());
+				
+		info->clear_text();
+		info->set_name(shipmodel->name());
+		info->set_modelname(shipmodel->modelname());
+
+		// info text form ships.ini
+		for (core::Info::Text::iterator tit = shipmodel->shipmodel_infotext.begin();
+			tit != shipmodel->shipmodel_infotext.end(); tit++) {
+			
+			info->add_text((*tit));
+		}
 
-	str << "cargo hold:   ^B" << 0.1f * maxcargo() << " ^Nmetric tonnes";
-	info->add_text(str.str());
-	str.str("");
+		info->add_text("");
+		info->add_text("^BSpecifications:^N");
+		std::stringstream str;
+		str << "price:        ^B" << shipmodel->price() << " ^Ncredits";
+		info->add_text(str.str());
+		str.str("");
 
-	str << "top speed:    ^B" << 100.0f * maxspeed() << " ^Nmps";
-	info->add_text(str.str());
-	str.str("");
+		str << "cargo hold:   ^B" << 0.1f * shipmodel->maxcargo() << " ^Nmetric tonnes";
+		info->add_text(str.str());
+		str.str("");
 
-	str << "response:     ^B" << turnspeed() << " ^Ndps";
-	info->add_text(str.str());
-	str.str("");
+		str << "top speed:    ^B" << 100.0f * shipmodel->maxspeed() << " ^Nmps";
+		info->add_text(str.str());
+		str.str("");
 
-	str << "acceleration: ^B" << acceleration() << " ^Nstandard";
-	info->add_text(str.str());
-	str.str("");
+		str << "response:     ^B" << shipmodel->turnspeed() << " ^Ndps";
+		info->add_text(str.str());
+		str.str("");
 
-	if (shipmodel_jumpdrive) {
-		str << "hyperspace jump drive capable";
+		str << "acceleration: ^B" << shipmodel->acceleration() << " ^Nstandard";
 		info->add_text(str.str());
 		str.str("");
+
+		if (shipmodel->shipmodel_jumpdrive) {
+			str << "hyperspace jump drive capable";
+			info->add_text(str.str());
+			str.str("");
+		}
 	}
 }
 
@@ -154,7 +161,7 @@ ShipModel *ShipModel::search(const std::string searchname)
 	return 0;
 }
 
-// add a new ship model
+// add a ship model
 void ShipModel::add(ShipModel *shipmodel)
 {
 	ShipModel *m = find(shipmodel->label());
diff --git a/src/game/base/shipmodel.h b/src/game/base/shipmodel.h
index 0cfe87e..d3048b2 100644
--- a/src/game/base/shipmodel.h
+++ b/src/game/base/shipmodel.h
@@ -19,7 +19,7 @@ namespace game
 class ShipModel
 {
 public:
-	ShipModel();
+	ShipModel(const unsigned int type_id);
 	~ShipModel();
 
 	void print();
@@ -53,6 +53,11 @@ public:
 	inline const std::string & modelname() const {
 		return shipmodel_modelname;
 	}
+	
+	/// type id
+	inline unsigned int type_id() {
+		return shipmodel_type_id;
+	}
 
 	/// price of the ship
 	inline const long price() const {
@@ -89,9 +94,6 @@ public:
 		shipmodel_maxcargo = maxcargo;
 	}
 
-	/// generate an info object for this shipmodel
-	void generate_info(core::Info *info);
-
 	/// indicates of this model can be equiped with a jump drive
 	bool			shipmodel_jumpdrive;
 
@@ -104,6 +106,8 @@ public:
 
 	/* ---- static registry ------------------------------------ */
 
+	typedef std::map<std::string, ShipModel *> Registry;
+	
 	typedef std::map<std::string, ShipModel *>::iterator iterator;
 
 	/// find an exact match
@@ -116,7 +120,7 @@ public:
 	static ShipModel *search(const std::string label);
 
 	/// the ship model registry
-	static std::map<std::string, ShipModel *>	registry;
+	static std::map<std::string, ShipModel *> registry;
 
 	/// clear the ship model registry
 	static void clear();
@@ -126,6 +130,9 @@ public:
 
 	/// add a new ship model
 	static void add(ShipModel *shipmodel);
+	
+	/// generate info records
+	static void generate_info();
 
 private:
 
@@ -136,6 +143,7 @@ private:
 
 	long			shipmodel_price;
 
+	unsigned int	shipmodel_type_id;
 };
 
 }
diff --git a/src/render/render.cc b/src/render/render.cc
index 03c5c87..66b7d42 100644
--- a/src/render/render.cc
+++ b/src/render/render.cc
@@ -189,6 +189,12 @@ void clear()
 			delete ext_render(entity);
 		}
 	}
+	
+	// clear info models
+	for (core::Info::Registry::iterator it = core::Info::registry().begin(); it != core::Info::registry().end(); it++) {
+		core::Info *info = (*it);
+		info->set_model(0);
+	}
 
 	// clear model registry
 	model::Model::clear();
@@ -214,9 +220,11 @@ void load()
 
 	// load info models
 	for (core::Info::Registry::iterator it = core::Info::registry().begin(); it != core::Info::registry().end(); it++) {
-		core::Info *info = (*it).second;
+		core::Info *info = (*it);
 		if (info->modelname().size()) {
-			model::Model::load(info->modelname());
+			info->set_model(model::Model::load(info->modelname()));
+		} else {
+			info->set_model(0);
 		}
 	}
 }