Struct oxygengine_core::ecs::world::Generation

pub struct Generation(_);

Index generation. When a new entity is placed at an old index, it bumps the Generation by 1. This allows to avoid using components from the entities that were deleted.

Implementations

impl Generation

pub fn id(self) -> i32

Returns the id of the generation.

pub fn is_alive(self) -> bool

Returns true if entities of this Generation are alive.

Trait Implementations

impl Clone for Generation

pub fn clone(&self) -> Generation

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Generation

impl Debug for Generation

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Eq for Generation

impl Hash for Generation

pub fn hash<__H>(&self, state: &mut __H) where
    __H: Hasher, 

Feeds this value into the given Hasher.

pub fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl Ord for Generation

pub fn cmp(&self, other: &Generation) -> Ordering

This method returns an Ordering between self and other.

#[must_use]

pub fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]

pub fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]

pub fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<Generation> for Generation

pub fn eq(&self, other: &Generation) -> bool

This method tests for self and other values to be equal, and is used by ==.

pub fn ne(&self, other: &Generation) -> bool

This method tests for !=.

impl PartialOrd<Generation> for Generation

pub fn partial_cmp(&self, other: &Generation) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]

pub fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]

pub fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]

pub fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]

pub fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralEq for Generation

impl StructuralPartialEq for Generation