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/* $Id$ */
/** @file roadstop.cpp Implementation of the roadstop base class. */
#include "stdafx.h"
#include "roadveh.h"
#include "station_map.h"
#include "core/pool_func.hpp"
#include "roadstop_base.h"
#include "station_base.h"
RoadStopPool _roadstop_pool("RoadStop");
INSTANTIATE_POOL_METHODS(RoadStop)
/** De-Initializes a RoadStops. This includes clearing all slots that vehicles might
* have and unlinks it from the linked list of road stops at the given station
*/
RoadStop::~RoadStop()
{
if (CleaningPool()) return;
/* Clear the slot assignment of all vehicles heading for this road stop */
if (this->num_vehicles != 0) {
RoadVehicle *rv;
FOR_ALL_ROADVEHICLES(rv) {
if (rv->slot == this) ClearSlot(rv);
}
}
assert(this->num_vehicles == 0);
}
/**
* Get the next road stop accessible by this vehicle.
* @param v the vehicle to get the next road stop for.
* @return the next road stop accessible.
*/
RoadStop *RoadStop::GetNextRoadStop(const RoadVehicle *v) const
{
for (RoadStop *rs = this->next; rs != NULL; rs = rs->next) {
/* The vehicle cannot go to this roadstop (different roadtype) */
if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
/* The vehicle is articulated and can therefor not go the a standard road stop */
if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
/* The vehicle can actually go to this road stop. So, return it! */
return rs;
}
return NULL;
}
/**
* Find a roadstop at given tile
* @param tile tile with roadstop
* @param type roadstop type
* @return pointer to RoadStop
* @pre there has to be roadstop of given type there!
*/
/* static */ RoadStop *RoadStop::GetByTile(TileIndex tile, RoadStopType type)
{
const Station *st = Station::GetByTile(tile);
for (RoadStop *rs = st->GetPrimaryRoadStop(type);; rs = rs->next) {
if (rs->xy == tile) return rs;
assert(rs->next != NULL);
}
}
void InitializeRoadStops()
{
_roadstop_pool.CleanPool();
}
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