use crate::access::{Aligned, MaybeUnaligned};
use crate::get_api;
use crate::sys;
use crate::VariantArray;
pub struct Int32Array(pub(crate) sys::godot_pool_int_array);
pub type Read<'a> = Aligned<ReadGuard<'a>>;
pub type Write<'a> = Aligned<WriteGuard<'a>>;
impl Int32Array {
pub fn new() -> Self {
Int32Array::default()
}
pub fn from_variant_array(array: &VariantArray) -> Self {
unsafe {
let mut result = sys::godot_pool_int_array::default();
(get_api().godot_pool_int_array_new_with_array)(&mut result, &array.0);
Int32Array(result)
}
}
pub fn push(&mut self, val: i32) {
unsafe {
(get_api().godot_pool_int_array_append)(&mut self.0, val);
}
}
pub fn push_array(&mut self, array: &Int32Array) {
unsafe {
(get_api().godot_pool_int_array_append_array)(&mut self.0, &array.0);
}
}
pub fn insert(&mut self, offset: i32, val: i32) -> bool {
unsafe {
let status = (get_api().godot_pool_int_array_insert)(&mut self.0, offset, val);
status != sys::godot_error_GODOT_OK
}
}
pub fn invert(&mut self) {
unsafe { (get_api().godot_pool_int_array_invert)(&mut self.0) }
}
pub fn remove(&mut self, idx: i32) {
unsafe {
(get_api().godot_pool_int_array_remove)(&mut self.0, idx);
}
}
pub fn resize(&mut self, size: i32) {
unsafe {
(get_api().godot_pool_int_array_resize)(&mut self.0, size);
}
}
pub fn get(&self, idx: i32) -> i32 {
unsafe { (get_api().godot_pool_int_array_get)(&self.0, idx) }
}
pub fn set(&mut self, idx: i32, val: i32) {
unsafe {
(get_api().godot_pool_int_array_set)(&mut self.0, idx, val);
}
}
pub fn len(&self) -> i32 {
unsafe { (get_api().godot_pool_int_array_size)(&self.0) }
}
pub fn read<'a>(&'a self) -> Read<'a> {
unsafe {
MaybeUnaligned::new(ReadGuard::new(self.sys()))
.try_into_aligned()
.expect("Pool array access should be aligned. This indicates a bug in Godot")
}
}
pub fn write<'a>(&'a mut self) -> Write<'a> {
unsafe {
MaybeUnaligned::new(WriteGuard::new(self.sys() as *mut _))
.try_into_aligned()
.expect("Pool array access should be aligned. This indicates a bug in Godot")
}
}
#[doc(hidden)]
pub fn sys(&self) -> *const sys::godot_pool_int_array {
&self.0
}
#[doc(hidden)]
pub fn from_sys(sys: sys::godot_pool_int_array) -> Self {
Int32Array(sys)
}
impl_common_methods! {
pub fn new_ref(& self) -> Int32Array : godot_pool_int_array_new_copy;
}
}
impl_basic_traits!(
for Int32Array as godot_pool_int_array {
Drop => godot_pool_int_array_destroy;
Default => godot_pool_int_array_new;
}
);
define_access_guard! {
pub struct ReadGuard<'a> : sys::godot_pool_int_array_read_access {
access = godot_pool_int_array_read(*const sys::godot_pool_int_array),
len = godot_pool_int_array_size,
}
Guard<Target=i32> => godot_pool_int_array_read_access_ptr -> *const i32;
Drop => godot_pool_int_array_read_access_destroy;
Clone => godot_pool_int_array_read_access_copy;
}
define_access_guard! {
pub struct WriteGuard<'a> : sys::godot_pool_int_array_write_access {
access = godot_pool_int_array_write(*mut sys::godot_pool_int_array),
len = godot_pool_int_array_size,
}
Guard<Target=i32> + WritePtr => godot_pool_int_array_write_access_ptr -> *mut i32;
Drop => godot_pool_int_array_write_access_destroy;
}
godot_test!(
test_int32_array_access {
let mut arr = Int32Array::new();
for i in 0..8 {
arr.push(i);
}
let original_read = {
let read = arr.read();
assert_eq!(&[0, 1, 2, 3, 4, 5, 6, 7], read.as_slice());
read.clone()
};
let mut cow_arr = arr.new_ref();
{
let mut write = cow_arr.write();
assert_eq!(8, write.len());
for i in write.as_mut_slice() {
*i *= 2;
}
}
for i in 0..8 {
assert_eq!(i * 2, cow_arr.get(i as i32));
}
assert_eq!(&[0, 1, 2, 3, 4, 5, 6, 7], original_read.as_slice());
}
);