text: /*
   * This file is part of the Simutrans project under the Artistic License.
   * (see LICENSE.txt)
   */
  
  #ifndef SIMTOOL_H
  #define SIMTOOL_H
  
  
  /// New OO tool system
  
  #include "simtypes.h"
  #include "simworld.h"
  #include "simmenu.h"
  #include "obj/simobj.h"
  
  #include "boden/wege/schiene.h"
  
  #include "dataobj/environment.h"
  #include "dataobj/translator.h"
  
  #include "display/viewport.h"
  
  #include "obj/baum.h"
  #include "obj/groundobj.h"
  
  #include "player/simplay.h"
  
  #include "tpl/slist_tpl.h"
  
  class koord3d;
  class koord;
  class way_builder_t;
  class building_desc_t;
  class roadsign_desc_t;
  class way_desc_t;
  class route_t;
  class way_obj_desc_t;
  
  /****************************** helper functions: *****************************/
  
  char *tooltip_with_price(const char * tip, sint64 price);
  char *tooltip_with_price_length(const char * tip, sint64 price, sint64 length);
  
  void open_error_msg_win(const char* error);
  
  /************************ general tool *******************************/
  
  // query tile info: default tool
  class tool_query_t : public tool_t {
  public:
  	tool_query_t() : tool_t(TOOL_QUERY | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Abfrage"); }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  
  // remove uppermost object from tile
  class tool_remover_t : public tool_t {
  private:
  	bool tool_remover_intern(player_t *player, koord3d pos, sint8 type, const char *&msg);
  public:
  	tool_remover_t() : tool_t(TOOL_REMOVER | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Abriss"); }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  // alter land height tools
  class tool_raise_lower_base_t : public tool_t {
  protected:
  	bool is_dragging;
  	sint16 drag_height;
  
  	const char* drag(player_t*, koord k, sint16 h, int &n);
  	virtual sint16 get_drag_height(koord k) = 0;
  	bool check_dragging();
  public:
  	tool_raise_lower_base_t(uint16 id) : tool_t(id | GENERAL_TOOL), is_dragging(false), drag_height(0) { offset = Z_GRID; }
  	image_id get_icon(player_t*) const OVERRIDE { return grund_t::underground_mode==grund_t::ugm_all ? IMG_EMPTY : icon; }
  	bool init(player_t*) OVERRIDE { is_dragging = false; return true; }
  	bool exit(player_t*) OVERRIDE { is_dragging = false; return true; }
  	/**
  	 * technically move is not network safe, however its implementation is:
  	 * it sends work commands over network itself
  	 */
  	char const* move(player_t*, uint16 /* buttonstate */, koord3d) OVERRIDE;
  	bool move_has_effects() const OVERRIDE { return true; }
  
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	/**
  	 * work() is only called when not dragging
  	 * if work() is called with is_dragging==true then is_dragging is reset
  	 */
  	bool is_work_network_safe() const OVERRIDE { return is_dragging;}
  
  	/**
  	 * @return true if this tool operates over the grid, not the map tiles.
  	 */
  	bool is_grid_tool() const OVERRIDE {return true;}
  
  	bool update_pos_after_use() const OVERRIDE { return true; }
  };
  
  class tool_raise_t : public tool_raise_lower_base_t {
  public:
  	tool_raise_t() : tool_raise_lower_base_t(TOOL_RAISE_LAND) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return tooltip_with_price("Anheben", welt->get_settings().cst_alter_land); }
  	char const* check_pos(player_t*, koord3d) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	sint16 get_drag_height(koord k) OVERRIDE;
  };
  
  class tool_lower_t : public tool_raise_lower_base_t {
  public:
  	tool_lower_t() : tool_raise_lower_base_t(TOOL_LOWER_LAND) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return tooltip_with_price("Absenken", welt->get_settings().cst_alter_land); }
  	char const* check_pos(player_t*, koord3d) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	sint16 get_drag_height(koord k) OVERRIDE;
  };
  
  /* slope tool definitions */
  class tool_setslope_t : public tool_t {
  public:
  	tool_setslope_t() : tool_t(TOOL_SETSLOPE | GENERAL_TOOL), old_slope_compatibility_mode(true) {}
  	// if true then slope by default_param will be translated to new double-height system
  	// true by default, can be set to false (used for scripts)
  	bool old_slope_compatibility_mode;
  	/**
  	 * Create an artificial slope
  	 * @param player the player doing the task
  	 * @param pos position where the slope will be generated
  	 * @param slope the slope type
  	 */
  	static const char *tool_set_slope_work( player_t *player, koord3d pos, int slope, bool old_slope_compatibility, bool just_check = false);
  	char const* get_tooltip(player_t const*) const OVERRIDE { return tooltip_with_price("Built artifical slopes", welt->get_settings().cst_set_slope); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	char const* check_pos(player_t*, koord3d) OVERRIDE;
  	char const* work(player_t* const player, koord3d const k) OVERRIDE { return tool_set_slope_work(player, k, atoi(default_param), old_slope_compatibility_mode); }
  };
  
  class tool_restoreslope_t : public tool_t {
  public:
  	tool_restoreslope_t() : tool_t(TOOL_RESTORESLOPE | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return tooltip_with_price("Restore natural slope", welt->get_settings().cst_set_slope); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	char const* check_pos(player_t*, koord3d) OVERRIDE;
  	char const* work(player_t* const player, koord3d const k) OVERRIDE { return tool_setslope_t::tool_set_slope_work(player, k, RESTORE_SLOPE, true); }
  };
  
  class tool_marker_t : public kartenboden_tool_t {
  public:
  	tool_marker_t() : kartenboden_tool_t(TOOL_MARKER | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return tooltip_with_price("Marker", welt->get_settings().cst_buy_land); }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_clear_reservation_t : public tool_t {
  public:
  	tool_clear_reservation_t() : tool_t(TOOL_CLEAR_RESERVATION | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Clear block reservation"); }
  	bool init(player_t*) OVERRIDE;
  	bool exit(player_t*) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_transformer_t : public kartenboden_tool_t {
  private:
  	bool is_powerline_available() const;
  public:
  	tool_transformer_t() : kartenboden_tool_t(TOOL_TRANSFORMER | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	image_id get_icon(player_t*) const OVERRIDE;
  	bool init(player_t*) OVERRIDE;
  	char const* check_pos(player_t*, koord3d) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	waytype_t get_waytype() const OVERRIDE { return powerline_wt; }
  };
  
  class tool_add_city_t : public kartenboden_tool_t {
  public:
  	tool_add_city_t() : kartenboden_tool_t(TOOL_ADD_CITY | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return tooltip_with_price("Found new city", welt->get_settings().cst_found_city); }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  // buy a house to protect it from renovating
  class tool_buy_house_t : public kartenboden_tool_t {
  public:
  	tool_buy_house_t() : kartenboden_tool_t(TOOL_BUY_HOUSE | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Haus kaufen"); }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  /************** the following tools need a valid default_param ************************/
  
  // step size by default_param
  class tool_change_city_size_t : public tool_t {
  public:
  	tool_change_city_size_t() : tool_t(TOOL_CHANGE_CITY_SIZE | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate( atoi(default_param)>=0 ? "Grow city" : "Shrink city" ); }
  	bool init(player_t*) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  // height change by default_param
  class tool_change_water_height_t : public tool_t {
  public:
  	tool_change_water_height_t() : tool_t(TOOL_CHANGE_WATER_HEIGHT | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate( atoi(default_param)>=0 ? "Increase water height" : "Decrease water height" ); }
  	bool init(player_t*) OVERRIDE;
  	image_id get_icon(player_t *player) const OVERRIDE { return (!env_t::networkmode  ||  player->is_public_service()) ? icon : IMG_EMPTY; }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  // height change by default_param
  class tool_set_climate_t : public two_click_tool_t {
  public:
  	tool_set_climate_t() : two_click_tool_t(TOOL_SET_CLIMATE | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  private:
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_plant_tree_t : public kartenboden_tool_t {
  public:
  	tool_plant_tree_t() : kartenboden_tool_t(TOOL_PLANT_TREE | GENERAL_TOOL) {}
  	image_id get_icon(player_t *) const OVERRIDE { return tree_builder_t::get_num_trees() > 0 ? icon : IMG_EMPTY; }
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate( "Plant tree" ); }
  	bool init(player_t*) OVERRIDE { return tree_builder_t::has_trees(); }
  	char const* move(player_t* const player, uint16 const b, koord3d const k) OVERRIDE;
  	bool move_has_effects() const OVERRIDE { return true; }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_plant_groundobj_t : public kartenboden_tool_t {
  public:
  	tool_plant_groundobj_t() : kartenboden_tool_t(TOOL_PLANT_GROUNDOBJ | GENERAL_TOOL) {}
  	image_id get_icon(player_t *) const OVERRIDE { return groundobj_t::get_count() > 0 ? icon : IMG_EMPTY; }
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate( "Plant groundobj" ); }
  	bool init(player_t*) OVERRIDE { return groundobj_t::get_count() > 0; }
  	char const* move(player_t* const player, uint16 const b, koord3d const k) OVERRIDE;
  	bool move_has_effects() const OVERRIDE { return true; }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  /* only called directly from schedule => no tooltip!
   * default_param must point to a schedule!
   */
  class tool_schedule_add_t : public tool_t {
  public:
  	tool_schedule_add_t() : tool_t(TOOL_SCHEDULE_ADD | GENERAL_TOOL) {}
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  //	bool is_work_network_safe() const OVERRIDE { return true; }
  	bool is_work_here_network_safe(player_t*, koord3d) OVERRIDE { return true; }
  };
  
  class tool_schedule_ins_t : public tool_t {
  public:
  	tool_schedule_ins_t() : tool_t(TOOL_SCHEDULE_INS | GENERAL_TOOL) {}
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  //	bool is_work_network_safe() const OVERRIDE { return true; }
  	bool is_work_here_network_safe(player_t*, koord3d) OVERRIDE { return true; }
  };
  
  class tool_build_way_t : public two_click_tool_t {
  private:
  	static const way_desc_t *defaults[17]; // default ways for all types
  
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  
  protected:
  	const way_desc_t *desc;
  
  	virtual way_desc_t const* get_desc(uint16 timeline_year_month) const;
  	void calc_route( way_builder_t &bauigel, const koord3d &, const koord3d & );
  	void start_at( koord3d &new_start ) OVERRIDE;
  
  public:
  	tool_build_way_t(uint16 const id = TOOL_BUILD_WAY | GENERAL_TOOL) : two_click_tool_t(id), desc() {}
  	image_id get_icon(player_t*) const OVERRIDE;
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	char const* get_default_param(player_t*) const OVERRIDE;
  	bool is_selected() const OVERRIDE;
  	bool init(player_t*) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	waytype_t get_waytype() const OVERRIDE;
  	// remove preview necessary while building elevated ways
  	bool remove_preview_necessary() const OVERRIDE { return !is_first_click()  &&  (desc  &&  (desc->get_styp() == type_elevated  &&  desc->get_wtyp() != air_wt)); }
  };
  
  class tool_build_cityroad : public tool_build_way_t {
  private:
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  public:
  	tool_build_cityroad() : tool_build_way_t(TOOL_BUILD_CITYROAD | GENERAL_TOOL) {}
  	way_desc_t const* get_desc(uint16) const OVERRIDE;
  	image_id get_icon(player_t* const player) const OVERRIDE { return tool_t::get_icon(player); }
  	bool is_selected() const OVERRIDE { return tool_t::is_selected(); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	waytype_t get_waytype() const OVERRIDE { return road_wt; }
  };
  
  class tool_build_bridge_t : public two_click_tool_t {
  private:
  	ribi_t::ribi ribi;
  
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  public:
  	tool_build_bridge_t() : two_click_tool_t(TOOL_BUILD_BRIDGE | GENERAL_TOOL) {}
  	image_id get_icon(player_t*) const OVERRIDE { return grund_t::underground_mode==grund_t::ugm_all ? IMG_EMPTY : icon; }
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	waytype_t get_waytype() const OVERRIDE;
  	bool remove_preview_necessary() const OVERRIDE { return !is_first_click(); }
  	void rdwr_custom_data(memory_rw_t*) OVERRIDE;
  	bool init(player_t*) OVERRIDE;
  };
  
  class tool_build_tunnel_t : public two_click_tool_t {
  private:
  	void calc_route( way_builder_t &bauigel, const koord3d &, const koord3d &);
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  public:
  	tool_build_tunnel_t() : two_click_tool_t(TOOL_BUILD_TUNNEL | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	char const* check_pos(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	waytype_t get_waytype() const OVERRIDE;
  	bool remove_preview_necessary() const OVERRIDE { return !is_first_click(); }
  	bool init(player_t*) OVERRIDE;
  };
  
  class tool_wayremover_t : public two_click_tool_t {
  private:
  	bool calc_route( route_t &, player_t *, const koord3d& start, const koord3d &to );
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  	// error message to be returned by calc_route
  	const char *calc_route_error;
  public:
  	tool_wayremover_t() : two_click_tool_t(TOOL_WAYREMOVER | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	image_id get_icon(player_t*) const OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	waytype_t get_waytype() const OVERRIDE;
  };
  
  class tool_build_wayobj_t : public two_click_tool_t {
  protected:
  	const bool build;
  private:
  	static const way_obj_desc_t *default_electric;
  	const way_obj_desc_t *desc;
  	const way_obj_desc_t *get_desc() const;
  	waytype_t wt;
  
  	bool calc_route( route_t &, player_t *, const koord3d& start, const koord3d &to );
  
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  
  public:
  	tool_build_wayobj_t(uint16 const id = TOOL_BUILD_WAYOBJ | GENERAL_TOOL, bool b = true) : two_click_tool_t(id), build(b) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	bool is_selected() const OVERRIDE;
  	bool init(player_t*) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	waytype_t get_waytype() const OVERRIDE;
  };
  
  class tool_remove_wayobj_t : public tool_build_wayobj_t {
  public:
  	tool_remove_wayobj_t() : tool_build_wayobj_t(TOOL_REMOVE_WAYOBJ | GENERAL_TOOL, false) {}
  	bool is_selected() const OVERRIDE { return tool_t::is_selected(); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_build_station_t : public tool_t {
  private:
  	const char *tool_station_building_aux(player_t *, bool, koord3d, const building_desc_t *, sint8 rotation );
  	const char *tool_station_dock_aux(player_t *, koord3d, const building_desc_t * );
  	const char *tool_station_flat_dock_aux(player_t *, koord3d, const building_desc_t *, sint8 );
  	const char *tool_station_aux(player_t *, koord3d, const building_desc_t *, waytype_t, const char *halt_suffix );
  	const building_desc_t *get_desc( sint8 &rotation ) const;
  
  public:
  	tool_build_station_t() : tool_t(TOOL_BUILD_STATION | GENERAL_TOOL) {}
  	image_id get_icon(player_t*) const OVERRIDE;
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	bool init(player_t*) OVERRIDE;
  	char const* check_pos(player_t*, koord3d) OVERRIDE;
  	char const* move(player_t*, uint16 /* buttonstate */, koord3d) OVERRIDE;
  	bool move_has_effects() const OVERRIDE { return true; }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	waytype_t get_waytype() const OVERRIDE;
  };
  
  class tool_rotate_building_t : public tool_t {
  private:
  	const char *tool_rotate_platform(koord3d);
  	const char *tool_rotate_building(koord3d);
  
  public:
  	tool_rotate_building_t() : tool_t(TOOL_ROTATE_BUILDING | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Rotate Building"); }
  	char const* work(player_t *, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  // builds roadsigns and signals
  class tool_build_roadsign_t : public two_click_tool_t {
  private:
  	const roadsign_desc_t* desc;
  	const char *place_sign_intern( player_t *, grund_t*, const roadsign_desc_t* b = NULL);
  
  	struct signal_info {
  		signal_info() : spacing(2), remove_intermediate(true), replace_other(true) {}
  
  		uint8 spacing; // place signals every n tiles
  		bool  remove_intermediate;
  		bool  replace_other;
  	};
  	// default values for this tool per player
  	signal_info signal[MAX_PLAYER_COUNT];
  	// values that will be used to build
  	signal_info current;
  
  	const char* check_pos_intern(player_t *, koord3d);
  	bool calc_route( route_t &, player_t *, const koord3d& start, const koord3d &to );
  
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  
  	/// save direction of new signs
  	vector_tpl< ribi_t::ribi > directions;
  
  public:
  	tool_build_roadsign_t() : two_click_tool_t(TOOL_BUILD_ROADSIGN | GENERAL_TOOL), desc() {}
  
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	bool init(player_t*) OVERRIDE;
  	bool exit(player_t*) OVERRIDE;
  
  	void set_values(player_t *player, uint8 spacing, bool remove, bool replace );
  	void get_values(player_t *player, uint8 &spacing, bool &remove, bool &replace );
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	void draw_after(scr_coord, bool dirty) const OVERRIDE;
  	void rdwr_custom_data(memory_rw_t*) OVERRIDE;
  	waytype_t get_waytype() const OVERRIDE;
  };
  
  class tool_build_depot_t : public tool_t {
  private:
  	const char *tool_depot_aux(player_t *player, koord3d pos, const building_desc_t *desc, waytype_t wegtype);
  public:
  	tool_build_depot_t() : tool_t(TOOL_BUILD_DEPOT | GENERAL_TOOL) {}
  	image_id get_icon(player_t*) const OVERRIDE;
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	bool init(player_t*) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	waytype_t get_waytype() const OVERRIDE;
  };
  
  /**
   * builds (random) tourist attraction (default_param==NULL) and maybe adds it to the next city
   * the parameter string is a follow (or NULL):
   * 1#theater
   * first letter: ignore climates
   * second letter: rotation (0,1,2,3,#=random)
   * finally building name
   */
  class tool_build_house_t : public kartenboden_tool_t {
  public:
  	tool_build_house_t() : kartenboden_tool_t(TOOL_BUILD_HOUSE | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Built random attraction"); }
  	bool init(player_t*) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  /**
   * builds an (if param=NULL random) industry chain starting here *
   * the parameter string is a follow (or NULL):
   * 1#34,oelfeld
   * first letter: ignore climates
   * second letter: rotation (0,1,2,3,#=random)
   * next number is production value
   * finally industry name
   * NULL means random chain!
   */
  class tool_build_land_chain_t : public kartenboden_tool_t {
  public:
  	tool_build_land_chain_t() : kartenboden_tool_t(TOOL_BUILD_LAND_CHAIN | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Build land consumer"); }
  	bool init(player_t*) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_city_chain_t : public kartenboden_tool_t {
  public:
  	tool_city_chain_t() : kartenboden_tool_t(TOOL_CITY_CHAIN | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Build city market"); }
  	bool init(player_t*) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_build_factory_t : public kartenboden_tool_t {
  public:
  	tool_build_factory_t() : kartenboden_tool_t(TOOL_BUILD_FACTORY | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Build city market"); }
  	bool init(player_t*) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_link_factory_t : public two_click_tool_t {
  public:
  	tool_link_factory_t() : two_click_tool_t(TOOL_LINK_FACTORY | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Connect factory"); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  private:
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE {}
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  	image_id get_marker_image() const OVERRIDE;
  };
  
  class tool_headquarter_t : public kartenboden_tool_t {
  private:
  	const building_desc_t *next_level( const player_t *player ) const;
  public:
  	tool_headquarter_t() : kartenboden_tool_t(TOOL_HEADQUARTER | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	bool init(player_t*) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  /* protects map from further change (here because two clicks to confirm it!) */
  class tool_lock_game_t : public tool_t {
  public:
  	tool_lock_game_t() : tool_t(TOOL_LOCK_GAME | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return env_t::networkmode ? translator::translate("deactivated in online mode") : translator::translate("Lock game"); }
  	image_id get_icon(player_t*) const OVERRIDE { return env_t::networkmode ? IMG_EMPTY : icon; }
  	// deactivate in network mode
  	bool init(player_t *) OVERRIDE { return !env_t::networkmode; }
  	const char *work( player_t *, koord3d ) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  /* add random citycar if no default is set; else add a certain city car */
  class tool_add_citycar_t : public tool_t {
  public:
  	tool_add_citycar_t() : tool_t(TOOL_ADD_CITYCAR | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Add random citycar"); }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  /* make forest */
  class tool_forest_t : public two_click_tool_t {
  public:
  	tool_forest_t() : two_click_tool_t(TOOL_FOREST | GENERAL_TOOL) {}
  	image_id get_icon(player_t *) const  OVERRIDE { return tree_builder_t::has_trees() ? icon : IMG_EMPTY; }
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Add forest"); }
  	bool init( player_t *player) OVERRIDE { return  tree_builder_t::has_trees()  &&  two_click_tool_t::init(player); }
  private:
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  /* stop moving tool */
  class tool_stop_mover_t : public two_click_tool_t {
  private:
  	waytype_t waytype[2];
  	halthandle_t last_halt;
  public:
  	tool_stop_mover_t() : two_click_tool_t(TOOL_STOP_MOVER | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("replace stop"); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  
  private:
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE {}
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  	image_id get_marker_image() const OVERRIDE;
  
  	void read_start_position(player_t *player, const koord3d &pos);
  };
  
  class tool_change_city_of_citybuilding_t : public two_click_tool_t {
  public:
  	tool_change_city_of_citybuilding_t() : two_click_tool_t(TOOL_CHANGE_CITY_OF_CITYBUILDING | GENERAL_TOOL) {}
  	char const *get_tooltip(player_t const *) const OVERRIDE { return translator::translate("change city of citybuilding"); }
  
  private:
  	char const *do_work(player_t*, koord3d const &, koord3d const &) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const &, koord3d const &) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const &pos, char const *&error, koord3d const &start) OVERRIDE {
  		grund_t *bd = welt->lookup(pos);
  		if (bd==NULL) {
  			error = "";
  			return 0;
  		}
  
  		return 2;
  	};
  	image_id get_marker_image() const OVERRIDE { return cursor; };
  };
  
  /* make all tiles of this player a public stop
   * if this player is public, make all connected tiles a public stop */
  class tool_make_stop_public_t : public tool_t {
  public:
  	tool_make_stop_public_t() : tool_t(TOOL_MAKE_STOP_PUBLIC | GENERAL_TOOL) {}
  	bool init(player_t * ) OVERRIDE;
  	bool exit(player_t *s ) OVERRIDE { return init(s); }
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	char const* move(player_t*, uint16 /* buttonstate */, koord3d) OVERRIDE;
  	bool move_has_effects() const OVERRIDE { return true; }
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  };
  
  
  /* merge stop */
  class tool_merge_stop_t : public two_click_tool_t {
  private:
  	halthandle_t halt_be_merged_from;
  	halthandle_t halt_be_merged_to;
  public:
  	tool_merge_stop_t() : two_click_tool_t(TOOL_MERGE_STOP | GENERAL_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("merge stop"); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  private:
  	char const* do_work(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	void mark_tiles(player_t*, koord3d const&, koord3d const&) OVERRIDE;
  	uint8 is_valid_pos(player_t*, koord3d const&, char const*&, koord3d const&) OVERRIDE;
  	image_id get_marker_image() const OVERRIDE;
  };
  
  
  // internal tool: show error message at specific coordinate
  // used for scenario error messages send by server
  class tool_error_message_t : public tool_t {
  public:
  	tool_error_message_t() : tool_t(TOOL_ERROR_MESSAGE | GENERAL_TOOL) {}
  	bool init(player_t*) OVERRIDE { return true; }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	char const* work(player_t*, koord3d) OVERRIDE { return default_param ? default_param : ""; }
  };
  
  
  /********************* one click tools ****************************/
  
  class tool_pause_t : public tool_t {
  public:
  	tool_pause_t() : tool_t(TOOL_PAUSE | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return env_t::networkmode ? translator::translate("deactivated in online mode") : translator::translate("Pause"); }
  	image_id get_icon(player_t*) const OVERRIDE { return env_t::networkmode ? IMG_EMPTY : icon; }
  	bool is_selected() const OVERRIDE { return welt->is_paused(); }
  	bool init( player_t * ) OVERRIDE {
  		if(  !env_t::networkmode  ) {
  			welt->set_fast_forward(0);
  			welt->set_pause( welt->is_paused()^1 );
  		}
  		return false;
  	}
  	bool exit(player_t *s ) OVERRIDE { return init(s); }
  	bool is_init_network_safe() const OVERRIDE { return !env_t::networkmode; }
  	bool is_work_network_safe() const OVERRIDE { return !env_t::networkmode; }
  };
  
  class tool_fastforward_t : public tool_t {
  public:
  	tool_fastforward_t() : tool_t(TOOL_FASTFORWARD | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return env_t::networkmode ? translator::translate("deactivated in online mode") : translator::translate("Fast forward"); }
  	image_id get_icon(player_t*) const OVERRIDE { return env_t::networkmode ? IMG_EMPTY : icon; }
  	bool is_selected() const OVERRIDE { return welt->is_fast_forward(); }
  	bool init( player_t * ) OVERRIDE {
  		if(  !env_t::networkmode  ) {
  			if(  welt->is_fast_forward()  &&  env_t::simple_drawing_fast_forward  ) {
  				welt->set_dirty();
  			}
  			welt->set_pause(0);
  			welt->set_fast_forward( welt->is_fast_forward()^1 );
  		}
  		return false;
  	}
  	bool exit(player_t *s ) OVERRIDE { return init(s); }
  	bool is_init_network_safe() const OVERRIDE { return !env_t::networkmode; }
  	bool is_work_network_safe() const OVERRIDE { return !env_t::networkmode; }
  };
  
  class tool_screenshot_t : public tool_t {
  public:
  	tool_screenshot_t() : tool_t(TOOL_SCREENSHOT | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Screenshot"); }
  	bool init(player_t * ) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  // builds next chain
  class tool_increase_industry_t : public tool_t {
  public:
  	tool_increase_industry_t() : tool_t(TOOL_INCREASE_INDUSTRY | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Increase Industry density"); }
  	bool init( player_t * ) OVERRIDE;
  };
  
  /* undo building */
  class tool_undo_t : public tool_t {
  public:
  	tool_undo_t() : tool_t(TOOL_UNDO | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Undo last ways construction"); }
  	bool init(player_t *player ) OVERRIDE;
  };
  
  /* switch to next player
   */
  class tool_switch_player_t : public tool_t {
  public:
  	tool_switch_player_t() : tool_t(TOOL_SWITCH_PLAYER | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Change player"); }
  	bool init( player_t * ) OVERRIDE {
  		welt->switch_active_player( welt->get_active_player_nr()+1, true );
  		return false;
  	}
  	// since it is handled internally
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  // step one year forward
  class tool_step_year_t : public tool_t {
  public:
  	tool_step_year_t() : tool_t(TOOL_STEP_YEAR | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Step timeline one year"); }
  	bool init( player_t *player ) OVERRIDE {
  		if(  !env_t::networkmode  ||  player->is_public_service()  ) {
  			// in networkmode only for public player
  			welt->step_year();
  		}
  		return false;
  	}
  };
  
  class tool_change_game_speed_t : public tool_t {
  public:
  	tool_change_game_speed_t() : tool_t(TOOL_CHANGE_GAME_SPEED | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE {
  		int factor = atoi(default_param);
  		return factor>0 ? translator::translate("Accelerate time") : translator::translate("Deccelerate time");
  	}
  	bool init( player_t *player ) OVERRIDE {
  		if(  !env_t::networkmode  ||  player->is_public_service()  ) {
  			// in networkmode only for public player
  			welt->change_time_multiplier( atoi(default_param) );
  		}
  		return false;
  	}
  };
  
  
  class tool_zoom_in_t : public tool_t {
  public:
  	tool_zoom_in_t() : tool_t(TOOL_ZOOM_IN | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("zooming in"); }
  	bool init( player_t * ) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_zoom_out_t : public tool_t {
  public:
  	tool_zoom_out_t() : tool_t(TOOL_ZOOM_OUT | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("zooming out"); }
  	bool init( player_t * ) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_show_coverage_t : public tool_t {
  public:
  	tool_show_coverage_t() : tool_t(TOOL_SHOW_COVERAGE | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("show station coverage"); }
  	bool is_selected() const OVERRIDE { return env_t::station_coverage_show; }
  	bool init( player_t * ) OVERRIDE {
  		env_t::station_coverage_show = !env_t::station_coverage_show;
  		welt->set_dirty();
  		return false;
  	}
  	bool exit(player_t *s ) OVERRIDE { return init(s); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_show_name_t : public tool_t {
  public:
  	tool_show_name_t() : tool_t(TOOL_SHOW_NAME | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE {
  		return translator::translate(
  			(env_t::show_names>>2)==2 ? "hide station names" :
  			(env_t::show_names&1) ? "show waiting bars" : "show station names");
  	}
  	bool init( player_t * ) OVERRIDE {
  		if(  env_t::show_names>=11  ) {
  			if(  (env_t::show_names&3)==3  ) {
  				env_t::show_names = 0;
  			}
  			else {
  				env_t::show_names = 2;
  			}
  		}
  		else if(  env_t::show_names==2  ) {
  				env_t::show_names = 3;
  		}
  		else if(  env_t::show_names==0  ) {
  			env_t::show_names = 1;
  		}
  		else {
  			env_t::show_names += 4;
  		}
  		welt->set_dirty();
  		return false;
  	}
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_show_grid_t : public tool_t {
  public:
  	tool_show_grid_t() : tool_t(TOOL_SHOW_GRID | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("show grid"); }
  	bool is_selected() const OVERRIDE { return grund_t::show_grid; }
  	bool init( player_t * ) OVERRIDE {
  		grund_t::toggle_grid();
  		welt->set_dirty();
  		return false;
  	}
  	bool exit(player_t *s ) OVERRIDE { return init(s); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_show_trees_t : public tool_t {
  public:
  	tool_show_trees_t() : tool_t(TOOL_SHOW_TREES | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("hide trees"); }
  	bool is_selected() const OVERRIDE {return env_t::hide_trees; }
  	bool init( player_t * ) OVERRIDE;
  	bool exit(player_t *s ) OVERRIDE { return init(s); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_show_houses_t : public tool_t {
  public:
  	tool_show_houses_t() : tool_t(TOOL_SHOW_HOUSES | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE {
  		return translator::translate(
  			env_t::hide_buildings==0 ? "hide city building" :
  			(env_t::hide_buildings==1) ? "hide all building" : "show all building");
  	}
  	bool init( player_t * ) OVERRIDE {
  		env_t::hide_buildings ++;
  		if(env_t::hide_buildings>env_t::ALL_HIDDEN_BUILDING) {
  			env_t::hide_buildings = env_t::NOT_HIDE;
  		}
  		welt->set_dirty();
  		return false;
  	}
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_show_underground_t : public tool_t {
  public:
  	tool_show_underground_t() : tool_t(TOOL_SHOW_UNDERGROUND | SIMPLE_TOOL) {}
  	static sint8 save_underground_level;
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	bool is_selected() const OVERRIDE;
  	void draw_after(scr_coord, bool dirty) const OVERRIDE;
  	bool init(player_t *) OVERRIDE;
  	char const* work(player_t*, koord3d) OVERRIDE;
  	bool exit(player_t *) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_rotate90_t : public tool_t {
  public:
  	tool_rotate90_t() : tool_t(TOOL_ROTATE90 | SIMPLE_TOOL) {}
  	image_id get_icon(player_t*) const OVERRIDE { return env_t::networkmode ? IMG_EMPTY : icon; }
  	void draw_after(scr_coord pos, bool dirty) const OVERRIDE; /* may draw a compass on top */
  	char const* get_tooltip(player_t const*) const OVERRIDE { return env_t::networkmode ? translator::translate("deactivated in online mode") : translator::translate("Rotate map"); }
  	bool init( player_t * ) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return !env_t::networkmode; }
  	bool is_work_network_safe() const OVERRIDE { return !env_t::networkmode; }
  };
  
  class tool_quit_t : public tool_t {
  public:
  	tool_quit_t() : tool_t(TOOL_QUIT | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Beenden"); }
  	bool init( player_t * ) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  // step size by default_param
  class tool_fill_trees_t : public tool_t {
  public:
  	tool_fill_trees_t() : tool_t(TOOL_FILL_TREES | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Fill trees"); }
  	image_id get_icon(player_t *) const OVERRIDE { return tree_builder_t::has_trees() ? icon : IMG_EMPTY; }
  	bool init(player_t * ) OVERRIDE {
  		if(  tree_builder_t::has_trees()  &&  default_param  ) {
  			tree_builder_t::fill_trees( atoi(default_param), 0, 0, welt->get_size().x, welt->get_size().y );
  		}
  		return false;
  	}
  };
  
  /* change day/night view manually */
  class tool_daynight_level_t : public tool_t {
  public:
  	tool_daynight_level_t() : tool_t(TOOL_DAYNIGHT_LEVEL | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE;
  	bool init(player_t * ) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_vehicle_tooltips_t : public tool_t {
  public:
  	tool_vehicle_tooltips_t() : tool_t(TOOL_VEHICLE_TOOLTIPS | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Toggle vehicle tooltips"); }
  	bool init( player_t * ) OVERRIDE {
  		env_t::show_vehicle_states = (env_t::show_vehicle_states+1)%4;
  		welt->set_dirty();
  		return false;
  	}
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_toggle_pax_station_t : public tool_t {
  public:
  	tool_toggle_pax_station_t() : tool_t(TOOL_TOOGLE_PAX | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("5LIGHT_CHOOSE"); }
  	bool is_selected() const OVERRIDE { return welt->get_settings().get_show_pax(); }
  	bool init( player_t * ) OVERRIDE {
  		if( !env_t::networkmode) {
  			settings_t& s = welt->get_settings();
  			s.set_show_pax(!s.get_show_pax());
  		}
  		return false;
  	}
  	bool exit(player_t *s ) OVERRIDE { return init(s); }
  	bool is_init_network_safe() const OVERRIDE { return false; }
  };
  
  class tool_toggle_pedestrians_t : public tool_t {
  public:
  	tool_toggle_pedestrians_t() : tool_t(TOOL_TOOGLE_PEDESTRIANS | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("6LIGHT_CHOOSE"); }
  	bool is_selected() const OVERRIDE { return welt->get_settings().get_random_pedestrians(); }
  	bool init( player_t * ) OVERRIDE {
  		if( !env_t::networkmode) {
  			settings_t& s = welt->get_settings();
  			s.set_random_pedestrians(!s.get_random_pedestrians());
  		}
  		return false;
  	}
  	bool exit(player_t *s ) OVERRIDE { return init(s); }
  	bool is_init_network_safe() const OVERRIDE { return false; }
  };
  
  class tool_toggle_reservation_t : public tool_t {
  public:
  	tool_toggle_reservation_t() : tool_t(TOOL_TOGGLE_RESERVATION | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("show/hide block reservations"); }
  	bool is_selected() const OVERRIDE { return schiene_t::show_reservations; }
  	bool init( player_t * ) OVERRIDE {
  		schiene_t::show_reservations ^= 1;
  		welt->set_dirty();
  		return false;
  	}
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_view_owner_t : public tool_t {
  public:
  	tool_view_owner_t() : tool_t(TOOL_VIEW_OWNER | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("show/hide object owner"); }
  	bool is_selected() const OVERRIDE { return obj_t::show_owner; }
  	bool init( player_t * ) OVERRIDE {
  		obj_t::show_owner ^= 1;
  		welt->set_dirty();
  		return false;
  	}
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_hide_under_cursor_t : public tool_t {
  public:
  	tool_hide_under_cursor_t() : tool_t(TOOL_HIDE_UNDER_CURSOR | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("hide objects under cursor"); }
  	bool is_selected() const OVERRIDE { return env_t::hide_under_cursor; }
  	bool init( player_t * ) OVERRIDE {
  		env_t::hide_under_cursor = !env_t::hide_under_cursor  &&  env_t::cursor_hide_range>0;
  		welt->set_dirty();
  		return false;
  	}
  	bool exit(player_t *s ) OVERRIDE { return init(s); }
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_move_map_t : public tool_t {
  public:
  	tool_move_map_t() : tool_t(TOOL_MOVE_MAP | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Move the map"); }
  	bool is_selected() const OVERRIDE { return false; }
  	bool init( player_t * ) OVERRIDE {
  		assert(  default_param  );
  		if( const char *c = strchr( default_param, '|' ) ) {
  			koord delta( atoi( default_param ), atoi( c+1 ) );
  			welt->get_viewport()->change_world_position(welt->get_viewport()->get_world_position() + delta);
  			welt->set_dirty();
  		}
  		return false;
  	}
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  class tool_rollup_all_win_t : public tool_t {
  public:
  	tool_rollup_all_win_t() : tool_t(TOOL_ROLLUP_ALL_WIN | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("Hide/open all windows"); }
  	bool is_selected() const OVERRIDE { return false; }
  	bool init( player_t * ) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	bool is_work_network_safe() const OVERRIDE { return true; }
  };
  
  
  /******************************** Internal tools ***********/
  
  /* internal simple tools needed for network synchronisation */
  class tool_traffic_level_t : public tool_t {
  public:
  	tool_traffic_level_t() : tool_t(TOOL_TRAFFIC_LEVEL | SIMPLE_TOOL) {}
  	char const* get_tooltip(player_t const*) const OVERRIDE { return translator::translate("6WORLD_CHOOSE"); }
  	bool is_selected() const OVERRIDE { return false; }
  	bool init( player_t * ) OVERRIDE {
  		assert(  default_param  );
  		sint16 level = clamp(atoi(default_param), 0, 16);
  		welt->get_settings().set_traffic_level(level);
  		return false;
  	}
  	bool is_init_network_safe() const OVERRIDE { return false; }
  };
  
  class tool_change_convoi_t : public tool_t {
  public:
  	tool_change_convoi_t() : tool_t(TOOL_CHANGE_CONVOI | SIMPLE_TOOL) {}
  	bool init(player_t*) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return false; }
  };
  
  class tool_change_line_t : public tool_t {
  public:
  	tool_change_line_t() : tool_t(TOOL_CHANGE_LINE | SIMPLE_TOOL) {}
  	bool init(player_t*) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return false; }
  };
  
  class tool_change_depot_t : public tool_t {
  public:
  	tool_change_depot_t() : tool_t(TOOL_CHANGE_DEPOT | SIMPLE_TOOL) {}
  	bool init(player_t*) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return false; }
  };
  
  // adds a new player of certain type to the map
  class tool_change_player_t : public tool_t {
  public:
  	tool_change_player_t() : tool_t(TOOL_CHANGE_PLAYER | SIMPLE_TOOL) {}
  	bool init(player_t*) OVERRIDE;
  };
  
  // change timing of traffic light
  class tool_change_traffic_light_t : public tool_t {
  public:
  	tool_change_traffic_light_t() : tool_t(TOOL_CHANGE_TRAFFIC_LIGHT | SIMPLE_TOOL) {}
  	bool init(player_t*) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return false; }
  };
  
  // change city: (dis)allow growth
  class tool_change_city_t : public tool_t {
  public:
  	tool_change_city_t() : tool_t(TOOL_CHANGE_CITY | SIMPLE_TOOL) {}
  	bool init(player_t*) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return false; }
  };
  
  // internal tool: rename stuff
  class tool_rename_t : public tool_t {
  public:
  	tool_rename_t() : tool_t(TOOL_RENAME | SIMPLE_TOOL) {}
  	bool init(player_t*) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return false; }
  };
  
  // internal tool: change player colours
  class tool_recolour_t : public tool_t {
  public:
  	tool_recolour_t() : tool_t(TOOL_RECOLOUR_TOOL | SIMPLE_TOOL) {}
  	virtual bool init(player_t * ) OVERRIDE;
  	virtual bool is_init_network_save() const { return false; }
  };
  // internal tool: send message, with additional coordinate information
  class tool_add_message_t : public tool_t {
  public:
  	tool_add_message_t() : tool_t(TOOL_ADD_MESSAGE | GENERAL_TOOL) {}
  	const char *work( player_t*, koord3d) OVERRIDE;
  	bool is_init_network_safe() const OVERRIDE { return true; }
  	// work is not safe, has to be send over network
  };
  
  #endif
  