OpenTTD Source 20260206-master-g4d4e37dbf1
VehiclesNearTileXY::Iterator Class Reference

Forward iterator. More...

#include <vehicle_func.h>

Public Types

using value_type = Vehicle *
using difference_type = std::ptrdiff_t
using iterator_category = std::forward_iterator_tag
using pointer = void
using reference = void

Public Member Functions

 Iterator (int32_t x, int32_t y, uint max_dist)
 Iterator constructor.
bool operator== (const Iterator &rhs) const
bool operator== (const std::default_sentinel_t &) const
Vehicle * operator* () const
Iterator & operator++ ()
Iterator operator++ (int)

Private Member Functions

void Increment ()
 Advance the internal state to the next potential vehicle.
void SkipEmptyBuckets ()
 Advance the internal state until we reach a non-empty bucket, or the end.
void SkipFalseMatches ()
 Advance the internal state until it reaches a vehicle within the search area.

Private Attributes

Rect pos_rect
uint hxmin
uint hxmax
uint hymin
uint hymax
uint hx
uint hy
Vehicle * current_veh

Detailed Description

Forward iterator.

Definition at line 124 of file vehicle_func.h.

Member Typedef Documentation

◆ difference_type

using VehiclesNearTileXY::Iterator::difference_type = std::ptrdiff_t

Definition at line 127 of file vehicle_func.h.

◆ iterator_category

using VehiclesNearTileXY::Iterator::iterator_category = std::forward_iterator_tag

Definition at line 128 of file vehicle_func.h.

◆ pointer

using VehiclesNearTileXY::Iterator::pointer = void

Definition at line 129 of file vehicle_func.h.

◆ reference

using VehiclesNearTileXY::Iterator::reference = void

Definition at line 130 of file vehicle_func.h.

◆ value_type

using VehiclesNearTileXY::Iterator::value_type = Vehicle *

Definition at line 126 of file vehicle_func.h.

Constructor & Destructor Documentation

◆ Iterator()

VehiclesNearTileXY::Iterator::Iterator ( int32_t x,
int32_t y,
uint max_dist )
explicit

Iterator constructor.

Find first vehicle near (x, y).

Definition at line 433 of file vehicle.cpp.

References ComposeTileHash(), GetTileHash1D(), SkipEmptyBuckets(), SkipFalseMatches(), and TILE_SIZE.

Member Function Documentation

◆ Increment()

void VehiclesNearTileXY::Iterator::Increment ( )
private

Advance the internal state to the next potential vehicle.

Definition at line 463 of file vehicle.cpp.

References SkipEmptyBuckets().

Referenced by SkipFalseMatches().

◆ operator*()

Vehicle * VehiclesNearTileXY::Iterator::operator* ( ) const
inline

Definition at line 137 of file vehicle_func.h.

◆ operator++() [1/2]

Iterator & VehiclesNearTileXY::Iterator::operator++ ( )
inline

Definition at line 139 of file vehicle_func.h.

◆ operator++() [2/2]

Iterator VehiclesNearTileXY::Iterator::operator++ ( int )
inline

Definition at line 146 of file vehicle_func.h.

◆ operator==() [1/2]

bool VehiclesNearTileXY::Iterator::operator== ( const Iterator & rhs) const
inline

Definition at line 134 of file vehicle_func.h.

◆ operator==() [2/2]

bool VehiclesNearTileXY::Iterator::operator== ( const std::default_sentinel_t & ) const
inline

Definition at line 135 of file vehicle_func.h.

◆ SkipEmptyBuckets()

void VehiclesNearTileXY::Iterator::SkipEmptyBuckets ( )
private

Advance the internal state until we reach a non-empty bucket, or the end.

Definition at line 473 of file vehicle.cpp.

References ComposeTileHash(), and IncTileHash1D().

Referenced by Increment(), and Iterator().

◆ SkipFalseMatches()

void VehiclesNearTileXY::Iterator::SkipFalseMatches ( )
private

Advance the internal state until it reaches a vehicle within the search area.

Definition at line 491 of file vehicle.cpp.

References Increment().

Referenced by Iterator().

Field Documentation

◆ current_veh

Vehicle* VehiclesNearTileXY::Iterator::current_veh
private

Definition at line 156 of file vehicle_func.h.

◆ hx

uint VehiclesNearTileXY::Iterator::hx
private

Definition at line 155 of file vehicle_func.h.

◆ hxmax

uint VehiclesNearTileXY::Iterator::hxmax
private

Definition at line 154 of file vehicle_func.h.

◆ hxmin

uint VehiclesNearTileXY::Iterator::hxmin
private

Definition at line 154 of file vehicle_func.h.

◆ hy

uint VehiclesNearTileXY::Iterator::hy
private

Definition at line 155 of file vehicle_func.h.

◆ hymax

uint VehiclesNearTileXY::Iterator::hymax
private

Definition at line 154 of file vehicle_func.h.

◆ hymin

uint VehiclesNearTileXY::Iterator::hymin
private

Definition at line 154 of file vehicle_func.h.

◆ pos_rect

Rect VehiclesNearTileXY::Iterator::pos_rect
private

Definition at line 153 of file vehicle_func.h.

The documentation for this class was generated from the following files: