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A packed array of 32-bit integers.
An array specifically designed to hold 32-bit integer values. Packs data tightly, so it saves memory for large array sizes.
Note: This type stores signed 32-bit integers, which means it can take values in the interval
[-2^31, 2^31 - 1], i.e.
[-2147483648, 2147483647]. Exceeding those bounds will wrap around. In comparison, int uses signed 64-bit integers which can hold much larger values. If you need to pack 64-bit integers tightly, see PackedInt64Array.
PackedInt32Array ( )
clear ( )
duplicate ( )
is_empty ( ) const
reverse ( )
size ( ) const
sort ( )
to_byte_array ( ) const
PackedInt32Array PackedInt32Array ( )
Constructs an empty PackedInt32Array.
Constructs a PackedInt32Array as a copy of the given PackedInt32Array.
Constructs a new PackedInt32Array. Optionally, you can pass in a generic Array that will be converted.
Appends an element at the end of the array (alias of push_back).
void append_array ( PackedInt32Array array )
Appends a PackedInt32Array at the end of this array.
Finds the index of an existing value (or the insertion index that maintains sorting order, if the value is not yet present in the array) using binary search. Optionally, a
before specifier can be passed. If
false, the returned index comes after all existing entries of the value in the array.
Note: Calling bsearch on an unsorted array results in unexpected behavior.
void clear ( )
Clears the array. This is equivalent to using resize with a size of
Returns the number of times an element is in the array.
PackedInt32Array duplicate ( )
Creates a copy of the array, and returns it.
void fill ( int value )
Assigns the given value to all elements in the array. This can typically be used together with resize to create an array with a given size and initialized elements.
Searches the array for a value and returns its index or
-1 if not found. Optionally, the initial search index can be passed.
true if the array contains
Inserts a new integer at a given position in the array. The position must be valid, or at the end of the array (
idx == size()).
bool is_empty ( ) const
true if the array is empty.
Appends a value to the array.
void remove_at ( int index )
Removes an element from the array by index.
Sets the size of the array. If the array is grown, reserves elements at the end of the array. If the array is shrunk, truncates the array to the new size.
void reverse ( )
Reverses the order of the elements in the array.
Searches the array in reverse order. Optionally, a start search index can be passed. If negative, the start index is considered relative to the end of the array.
Changes the integer at the given index.
int size ( ) const
Returns the number of elements in the array.
Returns the slice of the PackedInt32Array, from
begin (inclusive) to
end (exclusive), as a new PackedInt32Array.
The absolute value of
end will be clamped to the array size, so the default value for
end makes it slice to the size of the array by default (i.e.
arr.slice(1) is a shorthand for
end are negative, they will be relative to the end of the array (i.e.
arr.slice(0, -2) is a shorthand for
arr.slice(0, arr.size() - 2)).
void sort ( )
Sorts the elements of the array in ascending order.
PackedByteArray to_byte_array ( ) const
Returns a copy of the data converted to a PackedByteArray, where each element have been encoded as 4 bytes.
The size of the new array will be
int32_array.size() * 4.
true if contents of the arrays differ.
Returns a new PackedInt32Array with contents of
right added at the end of this array. For better performance, consider using append_array instead.
true if contents of both arrays are the same, i.e. they have all equal ints at the corresponding indices.
Returns the int at index
index. Negative indices can be used to access the elements starting from the end. Using index out of array's bounds will result in an error.
Note that int type is 64-bit, unlike the values stored in the array.