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/* $Id$ */
/** @file waypoint.cpp Handling of waypoints. */
#include "stdafx.h"
#include "strings_type.h"
#include "rail.h"
#include "station_base.h"
#include "town.h"
#include "waypoint.h"
#include "window_func.h"
#include "newgrf_station.h"
#include "order_func.h"
#include "core/pool_func.hpp"
WaypointPool _waypoint_pool("Waypoint");
INSTANTIATE_POOL_METHODS(Waypoint)
/**
* Update all signs
*/
void UpdateAllWaypointVirtCoords()
{
Waypoint *wp;
FOR_ALL_WAYPOINTS(wp) {
wp->UpdateVirtCoord();
}
}
/**
* Daily loop for waypoints
*/
void WaypointsDailyLoop()
{
Waypoint *wp;
/* Check if we need to delete a waypoint */
FOR_ALL_WAYPOINTS(wp) {
if (wp->delete_ctr != 0 && --wp->delete_ctr == 0) delete wp;
}
}
/**
* This hacks together some dummy one-shot Station structure for a waypoint.
* @param tile on which to work
* @return pointer to a Station
*/
Station *ComposeWaypointStation(TileIndex tile)
{
Waypoint *wp = GetWaypointByTile(tile);
/* instead of 'static Station stat' use byte array to avoid Station's destructor call upon exit. As
* a side effect, the station is not constructed now. */
static byte stat_raw[sizeof(Station)];
static Station &stat = *(Station*)stat_raw;
stat.train_tile = stat.xy = wp->xy;
stat.town = wp->town;
stat.build_date = wp->build_date;
return &stat;
}
/**
* Draw a waypoint
* @param x coordinate
* @param y coordinate
* @param stat_id station id
* @param railtype RailType to use for
*/
void DrawWaypointSprite(int x, int y, int stat_id, RailType railtype)
{
x += 33;
y += 17;
if (!DrawStationTile(x, y, railtype, AXIS_X, STAT_CLASS_WAYP, stat_id)) {
DrawDefaultWaypointSprite(x, y, railtype);
}
}
Waypoint::~Waypoint()
{
free(this->name);
if (CleaningPool()) return;
DeleteWindowById(WC_WAYPOINT_VIEW, this->index);
RemoveOrderFromAllVehicles(OT_GOTO_WAYPOINT, this->index);
this->sign.MarkDirty();
}
/**
* Assign a station spec to this waypoint.
* @param index the index of the spec from the waypoint specs
*/
void Waypoint::AssignStationSpec(uint index)
{
free(this->speclist);
const StationSpec *statspec = GetCustomStationSpec(STAT_CLASS_WAYP, index);
if (statspec != NULL) {
this->speclist = MallocT<StationSpecList>(1);
this->speclist->spec = statspec;
this->speclist->grfid = statspec->grffile->grfid;
this->speclist->localidx = statspec->localidx;
this->num_specs = 1;
} else {
this->speclist = NULL;
this->num_specs = 0;
}
}
void InitializeWaypoints()
{
_waypoint_pool.CleanPool();
}
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