11 files changed, 264 insertions, 425 deletions

diff --git a/src/game/base/Makefile.am b/src/game/base/Makefile.am
index f7fd52e..b86d14a 100644
--- a/src/game/base/Makefile.am
+++ b/src/game/base/Makefile.am
@@ -3,7 +3,7 @@ METASOURCES = AUTO
 libbase_la_LDFLAGS = -avoid-version
 noinst_LTLIBRARIES = libbase.la
 libbase_la_SOURCES = collision.cc cargo.cc game.cc jumppoint.cc navpoint.cc physics.cc \
-	planet.cc racetrack.cc ship.cc shipdealer.cc shipmodel.cc star.cc station.cc
+	planet.cc racetrack.cc ship.cc shipmodel.cc star.cc station.cc
 noinst_HEADERS = game.h collision.h cargo.h jumppoint.h navpoint.h physics.h planet.h \
-	racetrack.h ship.h shipdealer.h shipmodel.h star.h station.h
+	racetrack.h ship.h shipmodel.h star.h station.h
 
diff --git a/src/game/base/game.cc b/src/game/base/game.cc
index 803657d..fcecf58 100644
--- a/src/game/base/game.cc
+++ b/src/game/base/game.cc
@@ -261,7 +261,7 @@ void Game::func_give(core::Player *player, const std::string &args)
 		} else {
 			player->set_credits(0);
 		}
-		
+		player->set_dirty();
 		player->sound("game/buy");
 		
 	} else {
@@ -335,7 +335,12 @@ void Game::func_buy(core::Player *player, const std::string &args)
 		amount = 0;
 
 	if (typestr.compare("ship") == 0) {
-		ShipDealer::func_buy(player, labelstr);		
+		ShipModel *shipmodel = ShipModel::find(labelstr);
+		if (shipmodel) {
+			shipmodel->buy(player->control(), player->view());
+		} else {
+			player->send("Unkown ship type '" + labelstr + "'");
+		}
 	} else if (typestr.compare("cargo") == 0) {
 		Cargo *cargo = Cargo::find(labelstr);
 		if (cargo) {
@@ -672,16 +677,20 @@ bool Game::load_zone(core::Zone *zone)
 
 	size_t count = 0;
 
-	Station *station = 0;
-	Planet *planet = 0;
-	Star *star = 0;
-	NavPoint *navpoint = 0;
-	JumpPoint *jumppoint = 0;
-	RaceTrack *racetrack = 0;
-	CheckPoint *checkpoint = 0;
-	core::Entity *entity = 0;
+	core::Entity 	*entity = 0;	
+	core::Inventory *inventory = 0;
+	core::Item 	*item = 0;
+
+	Station 	*station = 0;
+	Planet		*planet = 0;
+	Star 		*star = 0;
+	NavPoint 	*navpoint = 0;
+	JumpPoint 	*jumppoint = 0;
+	RaceTrack 	*racetrack = 0;
+	CheckPoint 	*checkpoint = 0;
 
 	bool b;
+	long l;
 
 	std::string strval;
 
@@ -696,41 +705,49 @@ bool Game::load_zone(core::Zone *zone)
 
 			} else if (zoneini.got_section("star")) {
 				star = new Star();
+				entity = star;
 				star->set_zone(zone);
 				count ++;
 
 			} else if (zoneini.got_section("navpoint")) {
 				navpoint = new NavPoint();
+				entity = navpoint;
 				navpoint->set_zone(zone);
 				count ++;
 
 			} else if (zoneini.got_section("jumpgate")) {
 				jumppoint = new JumpGate();
+				entity = jumppoint;
 				jumppoint->set_zone(zone);
 				count ++;
 
 			} else if (zoneini.got_section("jumppoint")) {
 				jumppoint = new JumpPoint();
+				entity = jumppoint;
 				jumppoint->set_zone(zone);
 				count ++;
 
 			} else if (zoneini.got_section("racetrack")) {
 				racetrack = new RaceTrack();
+				entity = racetrack;
 				racetrack->set_zone(zone);
 
 			} else if (zoneini.got_section("checkpoint")) {
 				checkpoint = new CheckPoint(racetrack);
+				entity = checkpoint;
 				if (!racetrack) {
-					con_warn << zoneini.name() << " checkpoint without racetrack at line " << zoneini.line() << std::endl;
+					zoneini.unknown_error("checkpoint without racetrack");
 				}
 
 			} else if (zoneini.got_section("planet")) {
 				planet = new Planet();
+				entity = planet;
 				planet->set_zone(zone);
 				count ++;
 
 			} else if (zoneini.got_section("station")) {
 				station = new Station();
+				entity = station;
 				station->set_zone(zone);
 				count ++;
 
@@ -739,7 +756,41 @@ bool Game::load_zone(core::Zone *zone)
 				entity->set_flag(core::Entity::Static);
 				entity->set_zone(zone);
 				count ++;
-
+				
+			} else if (zoneini.got_section("cargo")) {
+				// new cargo trading definition for the current base
+				item = 0;
+				inventory = 0;
+				
+				if (!entity) {
+					zoneini.unknown_error("cargo definition without entity");
+				} else if ((entity->moduletype() != planet_enttype) && (entity->moduletype() != station_enttype)) {
+					zoneini.unknown_error("cargo definition for invalid entity type");
+				} else {
+					inventory = entity->inventory();
+					if (!inventory) {
+						inventory = new core::Inventory();
+						entity->set_inventory(inventory);
+					}
+				}
+				
+			} else if (zoneini.got_section("ship")) {
+				// new ship trading definition for the current base
+				item = 0;
+				inventory = 0;
+				
+				if (!entity) {
+					zoneini.unknown_error("ship definition without entity");
+				} else if ((entity->moduletype() != planet_enttype) && (entity->moduletype() != station_enttype)) {
+					zoneini.unknown_error("ship definition for invalid entity type");
+				} else {					
+					inventory = entity->inventory();
+					if (!inventory) {
+						inventory = new core::Inventory();
+						entity->set_inventory(inventory);
+					}
+				}
+				
 			} else {
 				zoneini.unknown_section();
 			}
@@ -841,8 +892,68 @@ bool Game::load_zone(core::Zone *zone)
 				} else {
 					zoneini.unkown_key();
 				}
-			}
-
+				
+			} else if (zoneini.in_section("cargo")) {
+				// cargo definition for a station or planet
+				if (!entity || !inventory) {
+					continue;
+				}
+				
+				if (zoneini.got_key_label("label", strval)) {
+					Cargo *cargo = Cargo::find(strval);
+					if (cargo) {
+						item = inventory->find(cargo);
+						if (!item) {
+							item = new core::Item(cargo);
+							item->set_amount(-1);
+							item->set_price(cargo->price());
+							inventory->add(item);
+						}
+					} else {
+						zoneini.unknown_error("unkown cargo type '" + strval + "'");
+					}
+					
+				} else if (zoneini.got_key_long("price", l)) {
+					if (item) {
+						item->set_price(l);
+					}
+				} else if (zoneini.got_key_long("amount", l)) {
+					if (item) {
+						item->set_amount(l);
+					}
+				} else {
+					zoneini.unkown_key();
+				}
+				
+			} else if (zoneini.in_section("ship")) {
+				// ship definition for a station or planet
+				if (!entity || !inventory) {
+					continue;
+				}
+				
+				if (zoneini.got_key_label("label", strval)) {
+					ShipModel *shipmodel= ShipModel::find(strval);
+					if (shipmodel) {
+						item = inventory->find(shipmodel);
+						if (!item) {
+							item = new core::Item(shipmodel);
+							item->set_amount(-1);
+							item->set_price(shipmodel->price());
+							inventory->add(item);
+						}
+					} else {
+						zoneini.unknown_error("unkown ship type '" + strval + "'");
+					}
+					
+				} else if (zoneini.got_key_long("price", l)) {
+					if (item) {
+						item->set_price(l);
+					}
+					
+				} else {
+					zoneini.unkown_key();
+				}
+			} 
 		}
 	}
 	zoneini.close();
@@ -874,204 +985,103 @@ bool Game::validate_zone(core::Zone *zone)
 				station->init_physics(0.0f);
 			}
 
-			if ((entity->flags() & core::Entity::Dockable) == core::Entity::Dockable)
-				load_menus(entity, "zones/" + zone->label() + "/" + entity->label());
+			if ((entity->flags() & core::Entity::Dockable) == core::Entity::Dockable) {
+				generate_entity_menus(entity);
+			}
 		}
 	}
 
 	return true;
 }
 
-bool Game::load_menus(core::Entity *entity, const std::string &menufilename)
+bool Game::generate_entity_menus(core::Entity *entity)
 {
 	using core::MenuDescription;
 	using core::ButtonDescription;
 
 	if ((entity->moduletype() != planet_enttype) && (entity->moduletype() != station_enttype)) {
+		//con_warn << "Can not generate menus for entity '" << entity->label() << "'" << std::endl;
+		// not dockable
 		return false;
 	}
-	
-	filesystem::IniFile inifile;
-
-	std::string strval;
-	long l;
-	
+			
 	MenuDescription *menu_dealer = 0;
 	ButtonDescription *button = 0;
-	ShipDealer *shipdealer = 0;	
 	
-	core::Inventory *inventory = 0;
-	core::Item *item = 0;
-
-	inifile.open(menufilename);
-
-	if (inifile.is_open()) {
-		while (inifile.getline()) {
-
-			if (inifile.got_section()) {
-				
-				item = 0;
-				
-				if (inifile.got_section("dealer")) {
-					// TODO replace [dealer] section with individual [ship] sections
-					// dealer menu
-					if (!menu_dealer) {
-						menu_dealer = new MenuDescription();
-						menu_dealer->set_label("ships");
-						menu_dealer->set_text("Ships");
-
-						shipdealer = new ShipDealer();
-						if (entity->moduletype() == planet_enttype) {
-							static_cast<Planet *>(entity)->set_shipdealer(shipdealer);
-						} else if (entity->moduletype() == station_enttype) {
-							static_cast<Station *>(entity)->set_shipdealer(shipdealer);
-						}
-					}
-				
-				} else if (inifile.got_section("cargo")) {
-					
-				} else if (inifile.got_section("ship")) {
-					
-				} else {
-					inifile.unknown_section();
-				}
-
-			} else if (inifile.got_key()) {
-
-				if (inifile.in_section("dealer")) {
-
-					if (inifile.got_key_string("ship", strval)) {
-						aux::to_label(strval);
-						ShipModel *model = shipdealer->add(strval);
-						if (model) {
-							button = new ButtonDescription();
-							button->set_text("buy " + model->name());
-							std::ostringstream str("");
-							str << "buy " << model->id();
-							button->set_command(str.str() , ButtonDescription::CommandMenu);
-							button->set_info(model);
-							button->set_alignment(ButtonDescription::Left);
-							menu_dealer->add_button(button);
-						} else {
-							std::string msg("unknown ship type '");
-							msg.append(strval);
-							msg.append("'");
-							inifile.unknown_error(msg);
-						}
-					} else {
-						inifile.unkown_key();
-					}
-
-				} else if (inifile.in_section("cargo")) {
-					
-					if (inifile.got_key_label("label", strval)) {
-						Cargo *cargo = Cargo::find(strval);
-						if (cargo) {
-							if (!inventory) {
-								inventory = new core::Inventory();
-							}
-							item = inventory->find(cargo);
-							if (!item) {
-								item = new core::Item(cargo);
-								item->set_amount(-1);
-								item->set_price(cargo->price());
-								inventory->add(item);
-							}
-						} else {
-							std::string msg("unkown cargo type '");
-							msg.append(strval);
-							msg.append("'");
-							inifile.unknown_error(msg);
-						}
-						
-					} else if (inifile.got_key_long("price", l)) {
-						if (item) {
-							item->set_price(l);
-						}
-					} else if (inifile.got_key_long("amount", l)) {
-						if (item) {
-							item->set_amount(l);
-						}
-					} else {
-						inifile.unkown_key();
-					}
-					
-				} else if (inifile.in_section("ship")) {
-					
-					if (inifile.got_key_label("label", strval)) {
-						ShipModel *shipmodel = ShipModel::find(strval);
-						if (shipmodel) {
-							if (!inventory) {
-								inventory = new core::Inventory();
-							}
-							item = inventory->find(shipmodel);
-							if (!item) {
-								item = new core::Item(shipmodel);
-								item->set_price(shipmodel->price());
-								item->set_amount(-1);
-								inventory->add(item);
-							}
-						} else {
-							std::string msg("unknown ship type '");
-							msg.append(strval);
-							msg.append("'");
-							inifile.unknown_error(msg);
-						}
-					} else if (inifile.got_key_long("price", l)) {
-						if (item) {
-							item->set_price(l);
-						}
-					} else {
-						inifile.unkown_key();
-					}
-				}				
-			}
-		}
-
-	}
-	
-	if (inventory)
-		entity->set_inventory(inventory);
-
+	// dockable entity
+	// add main menu
 	MenuDescription *menu_main = new MenuDescription();
 	menu_main->set_label("main");
 	menu_main->set_text("Launch area");
 	entity->add_menu(menu_main);
 
+	// add launch button
 	button = new ButtonDescription();
 	button->set_text("Launch");
 	button->set_command("launch", ButtonDescription::CommandGame);
 	button->set_alignment(ButtonDescription::Center);
 	menu_main->add_button(button);
 	
-	button = new ButtonDescription();
-	button->set_text("Trade");
-	button->set_command("trade cargo", ButtonDescription::CommandMenu);
-	button->set_alignment(ButtonDescription::Center);
-	menu_main->add_button(button);
-
-	if (menu_dealer) {
-		button = new ButtonDescription();
-		button->set_text("Return");
-		button->set_command("main", ButtonDescription::CommandMenu);
-		button->set_alignment(ButtonDescription::Center);
-		menu_dealer->add_button(button);
-
-		entity->add_menu(menu_dealer);
-
-		button = new ButtonDescription();
-		button->set_text("Ships");
-		button->set_command("ships", ButtonDescription::CommandMenu);
-		button->set_alignment(ButtonDescription::Center);
-		menu_main->add_button(button);
-	}
+	// add trade menus	
+	if (entity->inventory()) {
+		size_t nbcargo = 0;
+		size_t nbships = 0;
+		
+		for (core::Inventory::Items::const_iterator it = entity->inventory()->items().begin(); it != entity->inventory()->items().end(); it++) {
+			core::Item *item = (*it);
+			
+			if (item->info()->type() == Cargo::cargo_infotype) {
+				
+				nbcargo++;
+				
+			} else if (item->info()->type() == ShipModel::shipmodel_infotype) {
+				if (!menu_dealer) {
+					menu_dealer = new MenuDescription();
+					menu_dealer->set_label("ships");
+					menu_dealer->set_text("Ships");
+				}
+							
+				button = new ButtonDescription();
+				button->set_text("buy " + item->info()->name());
+				
+				std::ostringstream str("");			
+				str << "buy " << item->info()->id();
+				button->set_command(str.str() , ButtonDescription::CommandMenu);
+				button->set_info(item->info());
+				button->set_alignment(ButtonDescription::Left);
+				
+				menu_dealer->add_button(button);
+				nbships++;
+			}
+		}
+	
+		if (nbcargo > 0) {
+			con_debug << "  " << entity->label() << " " << nbcargo << " cargo " << aux::plural("type", nbcargo) << std::endl;
+			button = new ButtonDescription();
+			button->set_text("Trade");
+			button->set_command("trade cargo", ButtonDescription::CommandMenu);
+			button->set_alignment(ButtonDescription::Center);
+			menu_main->add_button(button);
+		}
 
-	if (inifile.is_open()) {
-		size_t n = entity->menus().size();
-		con_debug << "  " << inifile.name() << " " << n << " " << aux::plural("menu", n) << std::endl;
-		inifile.close();
+		if (nbships > 0) {
+			con_debug << "  " << entity->label() << " " << nbcargo << " ship " << aux::plural("type", nbcargo) << std::endl;
+			button = new ButtonDescription();
+			button->set_text("Return");
+			button->set_command("main", ButtonDescription::CommandMenu);
+			button->set_alignment(ButtonDescription::Center);
+			menu_dealer->add_button(button);
+
+			entity->add_menu(menu_dealer);
+
+			button = new ButtonDescription();
+			button->set_text("Ships");
+			button->set_command("ships", ButtonDescription::CommandMenu);
+			button->set_alignment(ButtonDescription::Center);
+			menu_main->add_button(button);
+		}
 	}
-
+	
 	return true;
 }
 
diff --git a/src/game/base/game.h b/src/game/base/game.h
index ce37fa6..1aaba51 100644
--- a/src/game/base/game.h
+++ b/src/game/base/game.h
@@ -87,7 +87,7 @@ private:
 
 	bool validate_zone(core::Zone *zone);
 
-	bool load_menus(core::Entity *entity, const std::string &menufilename);
+	bool generate_entity_menus(core::Entity *entity);
 
 	bool load_commodities();
 	
diff --git a/src/game/base/planet.cc b/src/game/base/planet.cc
index ca213af..ad1aa47 100644
--- a/src/game/base/planet.cc
+++ b/src/game/base/planet.cc
@@ -23,25 +23,13 @@ Planet::Planet() : core::EntityGlobe()
 	entity_moduletypeid = planet_enttype;
 
 	entity_rotationspeed = 1.0f;
-
-	planet_shipdealer = 0;
 }
 
 Planet::~Planet()
 {
-	if (planet_shipdealer)
-		delete planet_shipdealer;
-}
 
-void Planet::set_shipdealer(ShipDealer *shipdealer)
-{
-	if (planet_shipdealer)
-		delete planet_shipdealer;
-
-	planet_shipdealer = shipdealer;
 }
 
-
 void Planet::dock(core::Entity *entity)
 {
 	if (entity->moduletype() != ship_enttype)
diff --git a/src/game/base/planet.h b/src/game/base/planet.h
index efc5622..d2b18a8 100644
--- a/src/game/base/planet.h
+++ b/src/game/base/planet.h
@@ -7,7 +7,6 @@
 #ifndef __INCLUDED_BASE_PLANET_H__
 #define __INCLUDED_BASE_PLANET_H__
 
-#include "base/shipdealer.h"
 #include "core/entity.h"
 #include "math/mathlib.h"
 
@@ -22,20 +21,9 @@ class Planet : public core::EntityGlobe
 public:
 	Planet();
 	virtual ~Planet();
-
-	inline ShipDealer *shipdealer() {
-		return planet_shipdealer;
-	}
-
-	void set_shipdealer(ShipDealer *shipdealer);
-
+	
 	/// entity received a docking request
 	virtual void dock(core::Entity *entity);
-
-
-private:
-	ShipDealer		*planet_shipdealer;
-
 };
 
 /// FIXME
diff --git a/src/game/base/shipdealer.cc b/src/game/base/shipdealer.cc
deleted file mode 100644
index e6df18f..0000000
--- a/src/game/base/shipdealer.cc
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
-   base/shipdealer.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 "auxiliary/functions.h"
-#include "base/game.h"
-#include "base/planet.h"
-#include "base/shipdealer.h"
-#include "base/station.h"
-#include "sys/sys.h"
-
-namespace game
-{
-
-ShipDealer::ShipDealer()
-{
-}
-
-ShipDealer::~ShipDealer()
-{
-	dealer_models.clear();
-}
-
-ShipModel *ShipDealer::add(const std::string &modelname)
-{
-	ShipModel *model = ShipModel::find(modelname);
-
-	if (!model) {
-		con_warn << "Ship model '" + modelname + "' not found" << std::endl;
-		return 0;
-	}
-
-	for (Models::iterator it = dealer_models.begin(); it != dealer_models.end(); it++) {
-		if ((*it) == model) {
-			con_warn << "Ship dealer already has " + model->name() << std::endl;
-			return 0;
-		}
-	}
-	dealer_models.push_back(model);
-	return model;
-}
-
-ShipModel *ShipDealer::find(const std::string &modelname) const
-{
-	for (Models::const_iterator it = dealer_models.begin(); it != dealer_models.end(); it++) {
-		if ((*it)->label().compare(modelname) == 0) {
-			return (*it);
-		}
-	}
-
-	return 0;
-}
-
-ShipModel *ShipDealer::find(ShipModel *shipmodel) const
-{
-	for (Models::const_iterator it = dealer_models.begin(); it != dealer_models.end(); it++) {
-		if ((*it) == shipmodel) {
-			return (*it);
-		}
-	}
-
-	return 0;
-}
-
-// a player buys a ship
-void ShipDealer::func_buy(core::Player *player, const std::string &args)
-{
-	core::Entity *dock = player->view();
-	ShipDealer *shipdealer = 0;
-	
-	std::istringstream is(args);
-	std::string labelstr;
-	
-	if (!(is >> labelstr)) {
-		player->send("Usage: buy ship [string]");
-	}
-
-	// find the ship model
-	ShipModel *shipmodel = ShipModel::find(labelstr);
-	if (!shipmodel) {	
-		player->send("Unkown ship type '" + labelstr + "'");
-		return;
-	}
-
-	// find the ship dealer we're buying the ship from
-	if (player->view()) {
-		if (player->view()->moduletype() == station_enttype) {
-			shipdealer = static_cast<Station *>(player->view())->shipdealer();
-		} else if (player->view()->moduletype() == planet_enttype) {
-			shipdealer = static_cast<Planet *>(player->view())->shipdealer();
-		}
-	}
-
-	if (!shipdealer) {
-		player->send("No ship dealer available");
-		return;
-	}
-
-	if (!shipdealer->find(shipmodel)) {
-		player->send("Ship dealer does not sell the " + shipmodel->name());
-		return;
-	}
-
-	// check price
-	if (shipmodel->price() > player->credits()) {
-		std::stringstream msgstr;
-		msgstr << "You require " << (shipmodel->price() - player->credits()) << " additional credits to buy the " << shipmodel->name();
-		player->send(msgstr.str());
-		return;
-	}
-
-	player->add_credits(-shipmodel->price());
-
-	// player has only ship for now
-	if (player->control()) {
-		player->remove_asset(player->control());
-	}
-
-	Ship * ship = new Ship(player, shipmodel);
-	if (dock) {
-		ship->set_zone(dock->zone());
-		ship->get_location().assign(dock->location());
-		ship->set_state(core::Entity::Docked);
-		ship->get_axis().assign(dock->axis());
-		ship->get_axis().change_direction(180.0f);
-		player->set_control(ship);
-		player->set_view(dock);
-	} else {
-		ship->set_zone(player->zone());
-		player->set_control(ship);
-	}
-
-	// send the ship purchased message
-	std::stringstream msgstr;
-	msgstr << "^BPurchased " << aux::article(shipmodel->name())  << " for " << shipmodel->price() << " credits";
-	
-	player->send(msgstr.str());
-	player->sound("game/buy-ship");
-}
-
-
-}
diff --git a/src/game/base/shipdealer.h b/src/game/base/shipdealer.h
deleted file mode 100644
index 1d93f03..0000000
--- a/src/game/base/shipdealer.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
-   base/shipdealer.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_SHIPDEALER_H__
-#define __INCLUDED_BASE_SHIPDEALER_H__
-
-#include <list>
-
-#include "base/shipmodel.h"
-#include "core/entity.h"
-
-namespace game
-{
-
-class ShipDealer
-{
-public:
-	typedef std::list<ShipModel *> Models;
-
-	ShipDealer();
-	~ShipDealer();
-
-	/// add a ship model to the dealer list
-	ShipModel *add(const std::string &modelname);
-
-	/// find a ship model in the dealer list
-	ShipModel *find(const std::string &modelname) const;
-
-	/// find a ship model in the dealer list
-	ShipModel *find(ShipModel *shipmodel) const;
-
-	static void func_buy(core::Player *player, const std::string &args);
-
-private:
-	Models		dealer_models;
-};
-
-}
-
-#endif // __INCLUDED_BASE_SHIPDEALER_H__
-
diff --git a/src/game/base/shipmodel.cc b/src/game/base/shipmodel.cc
index e52aab2..6ff6c43 100644
--- a/src/game/base/shipmodel.cc
+++ b/src/game/base/shipmodel.cc
@@ -5,6 +5,7 @@
 */
 
 #include <iomanip>
+#include <assert.h>
 
 #include "auxiliary/functions.h"
 #include "base/shipmodel.h"
@@ -190,4 +191,66 @@ void ShipModel::list()
 	core::Info::list(shipmodel_infotype);
 }
 
+// a player buys a ship
+void ShipModel::buy(core::EntityControlable *buyer, core::Entity *seller)
+{
+	if (!buyer || !seller)
+		return;
+
+	// can only buy at planets and stations
+	if ((seller->moduletype() != station_enttype) && (seller->moduletype() != planet_enttype)) {
+		buyer->owner()->send("^BCan not buy here");
+		return;
+	}
+	
+	if (!buyer->owner()) 
+		return;
+	
+	if (!seller->inventory()) {
+		buyer->owner()->send("^BCan not buy here");
+		return;
+	}
+	
+	core::Player *player = buyer->owner();
+	
+	// seller is the station or planet
+	core::Item *seller_item = seller->inventory()->find(this);	
+	if (!seller_item) {
+		if (player) {
+			player->send("^B" + seller->name() + " ^Bdoes not sell " + name());
+		}
+		return;	
+	} else {
+		assert(seller_item->info() == this);
+	}
+	
+	// check price
+	if (price() > player->credits()) {
+		player->send("^WCan not afford transaction!");
+		return;
+	}
+	
+	player->add_credits(-price());
+
+	// player has only ship for now
+	if (player->control()) {
+		player->remove_asset(player->control());
+	}
+
+	Ship * ship = new Ship(player, this);
+	ship->set_zone(seller->zone());
+	ship->get_location().assign(seller->location());
+	ship->set_state(core::Entity::Docked);
+	ship->get_axis().assign(seller->axis());
+	ship->get_axis().change_direction(180.0f);
+	player->set_control(ship);
+	player->set_view(seller);
+	
+	// send the ship purchased message
+	std::stringstream msgstr;
+	msgstr << "^BPurchased " << aux::article(name())  << " for " << price() << " credits";
+	player->send(msgstr.str());
+	player->sound("game/buy-ship");
+}
+
 }
diff --git a/src/game/base/shipmodel.h b/src/game/base/shipmodel.h
index ef7ff15..a7c8500 100644
--- a/src/game/base/shipmodel.h
+++ b/src/game/base/shipmodel.h
@@ -10,6 +10,7 @@
 #include <string>
 
 #include "core/info.h"
+#include "core/entity.h"
 
 namespace game
 {
@@ -90,11 +91,13 @@ public:
 
 	void generate_info();
 	
+	void buy(core::EntityControlable *buyer, core::Entity *seller);
+	
 	/* --- static registry functions ---------------------------------- */
 	
 	static ShipModel *find(const std::string & label);
 
-	static ShipModel *search(const std::string & searchstr);
+	static ShipModel *search(const std::string & searchstr);	
 	
 	static bool init();
 	
diff --git a/src/game/base/station.cc b/src/game/base/station.cc
index 83897cd..a093c0e 100644
--- a/src/game/base/station.cc
+++ b/src/game/base/station.cc
@@ -16,26 +16,13 @@ Station::Station() : Entity(), PhysicsBody(this)
 	entity_moduletypeid = station_enttype;
 	set_flag(core::Entity::Dockable);
 	set_flag(core::Entity::ShowOnMap);
-	station_shipdealer = 0;
 }
 
 Station::~Station()
 {
-	if (station_shipdealer)
-		delete station_shipdealer;
-
 	shutdown_physics();
 }
 
-void Station::set_shipdealer(ShipDealer *shipdealer)
-{
-	if (station_shipdealer)
-		delete station_shipdealer;
-
-	station_shipdealer = shipdealer;
-}
-
-
 void Station::dock(core::Entity *entity)
 {
 	if (entity->moduletype() != ship_enttype)
diff --git a/src/game/base/station.h b/src/game/base/station.h
index ad627dd..ea7fdbd 100644
--- a/src/game/base/station.h
+++ b/src/game/base/station.h
@@ -7,7 +7,6 @@
 #ifndef __INCLUDED_BASE_STATION_H__
 #define __INCLUDED_BASE_STATION_H__
 
-#include "base/shipdealer.h"
 #include "base/physics.h"
 
 namespace game
@@ -19,19 +18,8 @@ public:
 	Station();
 	virtual ~Station();
 
-	inline ShipDealer *shipdealer() {
-		return station_shipdealer;
-	}
-
-	void set_shipdealer(ShipDealer *shipdealer);
-
 	/// entity received a docking request
 	virtual void dock(core::Entity *entity);
-
-
-private:
-	ShipDealer		*station_shipdealer;
-
 };
 
 }