bn::sp_direct_bitmap_bg_mat_attributes_hbe_ptr class
#include <bn_sp_direct_bitmap_bg_mat_attributes_hbe_ptr.h>

std::shared_ptr like smart pointer that retains shared ownership of a H-Blank effect which changes the attributes which define the position and the transformation matrix of a sp_direct_bitmap_bg_ptr in each screen horizontal line.

Public static functions

static auto create(const sp_direct_bitmap_bg_ptr& bg, const span<const affine_bg_mat_attributes>& attributes_ref) -> sp_direct_bitmap_bg_mat_attributes_hbe_ptr: Creates a sp_direct_bitmap_bg_mat_attributes_hbe_ptr which changes the attributes which define the position and the transformation matrix of a sp_direct_bitmap_bg_ptr in each screen horizontal line.
static auto create_optional(const sp_direct_bitmap_bg_ptr& bg, const span<const affine_bg_mat_attributes>& attributes_ref) -> optional<sp_direct_bitmap_bg_mat_attributes_hbe_ptr>: Creates a sp_direct_bitmap_bg_mat_attributes_hbe_ptr which changes the attributes which define the position and the transformation matrix of a sp_direct_bitmap_bg_ptr in each screen horizontal line.

Public functions

auto id() const -> int: Returns the internal id.
auto visible() const -> bool: Indicates if this H-Blank effect must be committed to the GBA or not.
void set_visible(bool visible): Sets if this H-Blank effect must be committed to the GBA or not.
auto bg() const -> const sp_direct_bitmap_bg_ptr&: Returns the sp_direct_bitmap_bg_ptr modified by this H-Blank effect.
auto attributes_ref() const -> span<const affine_bg_mat_attributes>: Returns the referenced array of 160 affine_bg_mat_attributes objects to set to the given sp_direct_bitmap_bg_ptr in each screen horizontal line.
void set_attributes_ref(const span<const affine_bg_mat_attributes>& attributes_ref): Sets the reference to an array of 160 affine_bg_mat_attributes objects to set to the given sp_direct_bitmap_bg_ptr in each screen horizontal line.
void reload_attributes_ref(): Rereads the content of the referenced attributes to set to the given sp_direct_bitmap_bg_ptr in each screen horizontal line.
void swap(sp_direct_bitmap_bg_mat_attributes_hbe_ptr& other): Exchanges the contents of this sp_direct_bitmap_bg_mat_attributes_hbe_ptr with those of the other one.

Friends

void swap(sp_direct_bitmap_bg_mat_attributes_hbe_ptr& a, sp_direct_bitmap_bg_mat_attributes_hbe_ptr& b): Exchanges the contents of a sp_direct_bitmap_bg_mat_attributes_hbe_ptr with those of another one.
auto operator==(const sp_direct_bitmap_bg_mat_attributes_hbe_ptr& a, const sp_direct_bitmap_bg_mat_attributes_hbe_ptr& b) -> bool: Equal operator.
auto operator!=(const sp_direct_bitmap_bg_mat_attributes_hbe_ptr& a, const sp_direct_bitmap_bg_mat_attributes_hbe_ptr& b) -> bool: Not equal operator.

Function documentation

static sp_direct_bitmap_bg_mat_attributes_hbe_ptr bn::sp_direct_bitmap_bg_mat_attributes_hbe_ptr::create(const sp_direct_bitmap_bg_ptr& bg, const span<const affine_bg_mat_attributes>& attributes_ref)

Creates a sp_direct_bitmap_bg_mat_attributes_hbe_ptr which changes the attributes which define the position and the transformation matrix of a sp_direct_bitmap_bg_ptr in each screen horizontal line.

Parameters
bg	sp_direct_bitmap_bg_ptr to be modified.
attributes_ref	Reference to an array of 160 affine_bg_mat_attributes objects with the attributes to set to the given sp_direct_bitmap_bg_ptr in each screen horizontal line.
Returns	The requested sp_direct_bitmap_bg_mat_attributes_hbe_ptr.

The attributes are not copied but referenced, so they should outlive the sp_direct_bitmap_bg_mat_attributes_hbe_ptr to avoid dangling references.

static optional<sp_direct_bitmap_bg_mat_attributes_hbe_ptr> bn::sp_direct_bitmap_bg_mat_attributes_hbe_ptr::create_optional(const sp_direct_bitmap_bg_ptr& bg, const span<const affine_bg_mat_attributes>& attributes_ref)

Creates a sp_direct_bitmap_bg_mat_attributes_hbe_ptr which changes the attributes which define the position and the transformation matrix of a sp_direct_bitmap_bg_ptr in each screen horizontal line.

Parameters
bg	sp_direct_bitmap_bg_ptr to be modified.
attributes_ref	Reference to an array of 160 affine_bg_mat_attributes objects with the attributes to set to the given sp_direct_bitmap_bg_ptr in each screen horizontal line.
Returns	The requested sp_direct_bitmap_bg_mat_attributes_hbe_ptr if it could be allocated; bn::nullopt otherwise.

The attributes are not copied but referenced, so they should outlive the sp_direct_bitmap_bg_mat_attributes_hbe_ptr to avoid dangling references.

span<const affine_bg_mat_attributes> bn::sp_direct_bitmap_bg_mat_attributes_hbe_ptr::attributes_ref() const

Returns the referenced array of 160 affine_bg_mat_attributes objects to set to the given sp_direct_bitmap_bg_ptr in each screen horizontal line.

The attributes are not copied but referenced, so they should outlive the sp_direct_bitmap_bg_mat_attributes_hbe_ptr to avoid dangling references.

void bn::sp_direct_bitmap_bg_mat_attributes_hbe_ptr::set_attributes_ref(const span<const affine_bg_mat_attributes>& attributes_ref)

Sets the reference to an array of 160 affine_bg_mat_attributes objects to set to the given sp_direct_bitmap_bg_ptr in each screen horizontal line.

The attributes are not copied but referenced, so they should outlive the sp_direct_bitmap_bg_mat_attributes_hbe_ptr to avoid dangling references.

void bn::sp_direct_bitmap_bg_mat_attributes_hbe_ptr::reload_attributes_ref()

Rereads the content of the referenced attributes to set to the given sp_direct_bitmap_bg_ptr in each screen horizontal line.

The attributes are not copied but referenced, so they should outlive the sp_direct_bitmap_bg_mat_attributes_hbe_ptr to avoid dangling references.

void bn::sp_direct_bitmap_bg_mat_attributes_hbe_ptr::swap(sp_direct_bitmap_bg_mat_attributes_hbe_ptr& other)

Exchanges the contents of this sp_direct_bitmap_bg_mat_attributes_hbe_ptr with those of the other one.

Parameters
other	sp_direct_bitmap_bg_mat_attributes_hbe_ptr to exchange the contents with.

void swap(sp_direct_bitmap_bg_mat_attributes_hbe_ptr& a, sp_direct_bitmap_bg_mat_attributes_hbe_ptr& b)

Exchanges the contents of a sp_direct_bitmap_bg_mat_attributes_hbe_ptr with those of another one.

Parameters
a	First sp_direct_bitmap_bg_mat_attributes_hbe_ptr to exchange the contents with.
b	Second sp_direct_bitmap_bg_mat_attributes_hbe_ptr to exchange the contents with.

bool operator==(const sp_direct_bitmap_bg_mat_attributes_hbe_ptr& a, const sp_direct_bitmap_bg_mat_attributes_hbe_ptr& b)

Equal operator.

Parameters
a	First sp_direct_bitmap_bg_mat_attributes_hbe_ptr to compare.
b	Second sp_direct_bitmap_bg_mat_attributes_hbe_ptr to compare.
Returns	`true` if the first sp_direct_bitmap_bg_mat_attributes_hbe_ptr is equal to the second one, otherwise `false`.

bool operator!=(const sp_direct_bitmap_bg_mat_attributes_hbe_ptr& a, const sp_direct_bitmap_bg_mat_attributes_hbe_ptr& b)

Not equal operator.

Parameters
a	First sp_direct_bitmap_bg_mat_attributes_hbe_ptr to compare.
b	Second sp_direct_bitmap_bg_mat_attributes_hbe_ptr to compare.
Returns	`true` if the first sp_direct_bitmap_bg_mat_attributes_hbe_ptr is not equal to the second one, otherwise `false`.

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