this function adds houses to the city house list

request permission to pass crossing

* Appends an element to the end of the list. * * @author Hj. Malthaner */

* Recalculates the images of all neighbouring * powerlines and the powerline itself * * @author Hj. Malthaner */

* true, if this rail can be reserved * @author prissi */

* Destroy a framed window * @author Hj. Malthaner */

* Removes the object from the tombstone table - this affects all * handles to the object! * @author Hj. Malthaner */

* zeichnet linie von x,y nach xx,yy * von Hajo **/

* Holt ein Event ohne zu warten * @author Hj. Malthaner */

* Gibt die aktuell angezeigte Komponente zur�ck. * @author Hj. Malthaner */

* tries to find something that matches this entry * it will skip and jump, and will never return zero, if there is at least a single valid entry in t

* Convert climates string to bitfield * @author Hj. Malthaner */

@returns current power demand

any factory will be connected to at least this number of next cities

radius from factories to get workers from towns (usually set to 77 but 1/8 of map size may be meaningful too)

return friction constant: changes in hill and curves; may even negative downhill * * @author prissi */

Return total weight including freight (in kg!) * @author prissi */

Helper: calculates mask for clipping * * Attention: xL-xR must be <=8 !!! * @author priss * @date 29.11.04 */

* @return internal index (just a number, passenger, then mail, then something ... ) * @author prissi */

* Gibt Namen des Convois zur�ck. * @return Name des Convois * @author Hj. Malthaner */

* @return true wenn Konto �berzogen ist * @author Hj. Malthaner */

* @return length of convoi in the correct units for movement * @author neroden */

* to identify the current map */

return the current bonus speed

* returns the state of the line * @author prissi */

* Return/book statistics * @author Knightly */

@returns current power supply

* skips lowest pillar on south/west slopes? * @author prissi */

shows/deletes highliting of tiles

* @return the text to display in the info window * * @author Hj. Malthaner * @see simwin */

Here functions for UNDO * @date 7-Feb-2005 * @author prissi */

* Inserts an element at the beginning of the list. * * @author Hj. Malthaner */