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https://github.com/JGRennison/OpenTTD-patches.git
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80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file roadstop.cpp Implementation of the roadstop base class. */
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#include "stdafx.h"
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#include "roadveh.h"
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#include "core/pool_func.hpp"
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#include "roadstop_base.h"
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#include "station_base.h"
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RoadStopPool _roadstop_pool("RoadStop");
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INSTANTIATE_POOL_METHODS(RoadStop)
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/**
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* De-Initializes RoadStops. This includes clearing all slots that vehicles might
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* have and unlinks it from the linked list of road stops at the given station
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*/
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RoadStop::~RoadStop()
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{
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if (CleaningPool()) return;
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/* Clear the slot assignment of all vehicles heading for this road stop */
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if (this->num_vehicles != 0) {
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RoadVehicle *rv;
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FOR_ALL_ROADVEHICLES(rv) {
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if (rv->slot == this) ClearSlot(rv);
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}
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}
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assert(this->num_vehicles == 0);
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}
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/**
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* Get the next road stop accessible by this vehicle.
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* @param v the vehicle to get the next road stop for.
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* @return the next road stop accessible.
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*/
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RoadStop *RoadStop::GetNextRoadStop(const RoadVehicle *v) const
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{
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for (RoadStop *rs = this->next; rs != NULL; rs = rs->next) {
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/* The vehicle cannot go to this roadstop (different roadtype) */
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if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
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/* The vehicle is articulated and can therefor not go the a standard road stop */
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if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
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/* The vehicle can actually go to this road stop. So, return it! */
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return rs;
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}
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return NULL;
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}
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/**
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* Find a roadstop at given tile
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* @param tile tile with roadstop
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* @param type roadstop type
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* @return pointer to RoadStop
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* @pre there has to be roadstop of given type there!
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*/
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/* static */ RoadStop *RoadStop::GetByTile(TileIndex tile, RoadStopType type)
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{
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const Station *st = Station::GetByTile(tile);
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for (RoadStop *rs = st->GetPrimaryRoadStop(type);; rs = rs->next) {
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if (rs->xy == tile) return rs;
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assert(rs->next != NULL);
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}
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}
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void InitializeRoadStops()
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{
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_roadstop_pool.CleanPool();
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}
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