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-rw-r--r--core/variant/array.cpp171
1 files changed, 88 insertions, 83 deletions
diff --git a/core/variant/array.cpp b/core/variant/array.cpp
index 8373cbd4e8..8d20b1bc79 100644
--- a/core/variant/array.cpp
+++ b/core/variant/array.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -34,6 +34,7 @@
#include "core/object/class_db.h"
#include "core/object/script_language.h"
#include "core/templates/hashfuncs.h"
+#include "core/templates/search_array.h"
#include "core/templates/vector.h"
#include "core/variant/callable.h"
#include "core/variant/variant.h"
@@ -96,11 +97,38 @@ void Array::clear() {
}
bool Array::operator==(const Array &p_array) const {
- return _p == p_array._p;
+ return recursive_equal(p_array, 0);
}
bool Array::operator!=(const Array &p_array) const {
- return !operator==(p_array);
+ return !recursive_equal(p_array, 0);
+}
+
+bool Array::recursive_equal(const Array &p_array, int recursion_count) const {
+ // Cheap checks
+ if (_p == p_array._p) {
+ return true;
+ }
+ const Vector<Variant> &a1 = _p->array;
+ const Vector<Variant> &a2 = p_array._p->array;
+ const int size = a1.size();
+ if (size != a2.size()) {
+ return false;
+ }
+
+ // Heavy O(n) check
+ if (recursion_count > MAX_RECURSION) {
+ ERR_PRINT("Max recursion reached");
+ return true;
+ }
+ recursion_count++;
+ for (int i = 0; i < size; i++) {
+ if (!a1[i].hash_compare(a2[i], recursion_count)) {
+ return false;
+ }
+ }
+
+ return true;
}
bool Array::operator<(const Array &p_array) const {
@@ -131,10 +159,20 @@ bool Array::operator>=(const Array &p_array) const {
}
uint32_t Array::hash() const {
- uint32_t h = hash_djb2_one_32(0);
+ return recursive_hash(0);
+}
+uint32_t Array::recursive_hash(int recursion_count) const {
+ if (recursion_count > MAX_RECURSION) {
+ ERR_PRINT("Max recursion reached");
+ return 0;
+ }
+
+ uint32_t h = hash_djb2_one_32(Variant::ARRAY);
+
+ recursion_count++;
for (int i = 0; i < _p->array.size(); i++) {
- h = hash_djb2_one_32(_p->array[i].hash(), h);
+ h = hash_djb2_one_32(_p->array[i].recursive_hash(recursion_count), h);
}
return h;
}
@@ -284,8 +322,8 @@ bool Array::has(const Variant &p_value) const {
return _p->array.find(p_value, 0) != -1;
}
-void Array::remove(int p_pos) {
- _p->array.remove(p_pos);
+void Array::remove_at(int p_pos) {
+ _p->array.remove_at(p_pos);
}
void Array::set(int p_idx, const Variant &p_value) {
@@ -299,66 +337,58 @@ const Variant &Array::get(int p_idx) const {
}
Array Array::duplicate(bool p_deep) const {
+ return recursive_duplicate(p_deep, 0);
+}
+
+Array Array::recursive_duplicate(bool p_deep, int recursion_count) const {
Array new_arr;
+
+ if (recursion_count > MAX_RECURSION) {
+ ERR_PRINT("Max recursion reached");
+ return new_arr;
+ }
+
int element_count = size();
new_arr.resize(element_count);
new_arr._p->typed = _p->typed;
- for (int i = 0; i < element_count; i++) {
- new_arr[i] = p_deep ? get(i).duplicate(p_deep) : get(i);
+ if (p_deep) {
+ recursion_count++;
+ for (int i = 0; i < element_count; i++) {
+ new_arr[i] = get(i).recursive_duplicate(true, recursion_count);
+ }
+ } else {
+ for (int i = 0; i < element_count; i++) {
+ new_arr[i] = get(i);
+ }
}
return new_arr;
}
-int Array::_clamp_slice_index(int p_index) const {
- int arr_size = size();
- int fixed_index = CLAMP(p_index, -arr_size, arr_size - 1);
- if (fixed_index < 0) {
- fixed_index = arr_size + fixed_index;
- }
- return fixed_index;
-}
-
-Array Array::slice(int p_begin, int p_end, int p_step, bool p_deep) const { // like python, but inclusive on upper bound
-
- Array new_arr;
+Array Array::slice(int p_begin, int p_end, int p_step, bool p_deep) const {
+ Array result;
- ERR_FAIL_COND_V_MSG(p_step == 0, new_arr, "Array slice step size cannot be zero.");
+ ERR_FAIL_COND_V_MSG(p_step == 0, result, "Slice step cannot be zero.");
- if (is_empty()) { // Don't try to slice empty arrays.
- return new_arr;
- }
- if (p_step > 0) {
- if (p_begin >= size() || p_end < -size()) {
- return new_arr;
- }
- } else { // p_step < 0
- if (p_begin < -size() || p_end >= size()) {
- return new_arr;
- }
+ if (p_end < 0) {
+ p_end += size() + 1;
}
- int begin = _clamp_slice_index(p_begin);
- int end = _clamp_slice_index(p_end);
+ ERR_FAIL_INDEX_V(p_begin, size(), result);
+ ERR_FAIL_INDEX_V(p_end, size() + 1, result);
- int new_arr_size = MAX(((end - begin + p_step) / p_step), 0);
- new_arr.resize(new_arr_size);
+ ERR_FAIL_COND_V_MSG(p_step > 0 && p_begin > p_end, result, "Slice is positive, but bounds is decreasing");
+ ERR_FAIL_COND_V_MSG(p_step < 0 && p_begin < p_end, result, "Slice is negative, but bounds is increasing");
- if (p_step > 0) {
- int dest_idx = 0;
- for (int idx = begin; idx <= end; idx += p_step) {
- ERR_FAIL_COND_V_MSG(dest_idx < 0 || dest_idx >= new_arr_size, Array(), "Bug in Array slice()");
- new_arr[dest_idx++] = p_deep ? get(idx).duplicate(p_deep) : get(idx);
- }
- } else { // p_step < 0
- int dest_idx = 0;
- for (int idx = begin; idx >= end; idx += p_step) {
- ERR_FAIL_COND_V_MSG(dest_idx < 0 || dest_idx >= new_arr_size, Array(), "Bug in Array slice()");
- new_arr[dest_idx++] = p_deep ? get(idx).duplicate(p_deep) : get(idx);
- }
+ int result_size = (p_end - p_begin) / p_step;
+ result.resize(result_size);
+
+ for (int src_idx = p_begin, dest_idx = 0; dest_idx < result_size; ++dest_idx) {
+ result[dest_idx] = p_deep ? get(src_idx).duplicate(true) : get(src_idx);
+ src_idx += p_step;
}
- return new_arr;
+ return result;
}
Array Array::filter(const Callable &p_callable) const {
@@ -484,44 +514,19 @@ void Array::shuffle() {
}
}
-template <typename Less>
-_FORCE_INLINE_ int bisect(const Vector<Variant> &p_array, const Variant &p_value, bool p_before, const Less &p_less) {
- int lo = 0;
- int hi = p_array.size();
- if (p_before) {
- while (lo < hi) {
- const int mid = (lo + hi) / 2;
- if (p_less(p_array.get(mid), p_value)) {
- lo = mid + 1;
- } else {
- hi = mid;
- }
- }
- } else {
- while (lo < hi) {
- const int mid = (lo + hi) / 2;
- if (p_less(p_value, p_array.get(mid))) {
- hi = mid;
- } else {
- lo = mid + 1;
- }
- }
- }
- return lo;
-}
-
int Array::bsearch(const Variant &p_value, bool p_before) {
ERR_FAIL_COND_V(!_p->typed.validate(p_value, "binary search"), -1);
- return bisect(_p->array, p_value, p_before, _ArrayVariantSort());
+ SearchArray<Variant, _ArrayVariantSort> avs;
+ return avs.bisect(_p->array.ptrw(), _p->array.size(), p_value, p_before);
}
int Array::bsearch_custom(const Variant &p_value, Callable p_callable, bool p_before) {
ERR_FAIL_COND_V(!_p->typed.validate(p_value, "custom binary search"), -1);
- _ArrayVariantSortCustom less;
- less.func = p_callable;
+ SearchArray<Variant, _ArrayVariantSortCustom> avs;
+ avs.compare.func = p_callable;
- return bisect(_p->array, p_value, p_before, less);
+ return avs.bisect(_p->array.ptrw(), _p->array.size(), p_value, p_before);
}
void Array::reverse() {
@@ -546,7 +551,7 @@ Variant Array::pop_back() {
Variant Array::pop_front() {
if (!_p->array.is_empty()) {
const Variant ret = _p->array.get(0);
- _p->array.remove(0);
+ _p->array.remove_at(0);
return ret;
}
return Variant();
@@ -573,7 +578,7 @@ Variant Array::pop_at(int p_pos) {
_p->array.size()));
const Variant ret = _p->array.get(p_pos);
- _p->array.remove(p_pos);
+ _p->array.remove_at(p_pos);
return ret;
}