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-rw-r--r--core/variant/array.cpp164
1 files changed, 89 insertions, 75 deletions
diff --git a/core/variant/array.cpp b/core/variant/array.cpp
index b4d6dffc6f..afc4acadf9 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 */
@@ -97,11 +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 {
@@ -132,10 +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;
}
@@ -285,8 +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) {
@@ -300,66 +337,62 @@ 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 {
+ Array result;
-Array Array::slice(int p_begin, int p_end, int p_step, bool p_deep) const { // like python, but inclusive on upper bound
+ ERR_FAIL_COND_V_MSG(p_step == 0, result, "Slice step cannot be zero.");
- Array new_arr;
+ const int s = size();
- ERR_FAIL_COND_V_MSG(p_step == 0, new_arr, "Array slice step size cannot be zero.");
-
- if (is_empty()) { // Don't try to slice empty arrays.
- return new_arr;
+ int begin = CLAMP(p_begin, -s, s);
+ if (begin < 0) {
+ begin += s;
}
- 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;
- }
+ int end = CLAMP(p_end, -s, s);
+ if (end < 0) {
+ end += s;
}
- int begin = _clamp_slice_index(p_begin);
- int end = _clamp_slice_index(p_end);
+ ERR_FAIL_COND_V_MSG(p_step > 0 && begin > end, result, "Slice is positive, but bounds is decreasing.");
+ ERR_FAIL_COND_V_MSG(p_step < 0 && begin < end, result, "Slice is negative, but bounds is increasing.");
- int new_arr_size = MAX(((end - begin + p_step) / p_step), 0);
- new_arr.resize(new_arr_size);
+ int result_size = (end - begin) / p_step;
+ result.resize(result_size);
- 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);
- }
+ for (int src_idx = 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 {
@@ -451,24 +484,8 @@ void Array::sort() {
_p->array.sort_custom<_ArrayVariantSort>();
}
-struct _ArrayVariantSortCustom {
- Callable func;
-
- _FORCE_INLINE_ bool operator()(const Variant &p_l, const Variant &p_r) const {
- const Variant *args[2] = { &p_l, &p_r };
- Callable::CallError err;
- Variant res;
- func.call(args, 2, res, err);
- ERR_FAIL_COND_V_MSG(err.error != Callable::CallError::CALL_OK, false,
- "Error calling sorting method: " + Variant::get_callable_error_text(func, args, 1, err));
- return res;
- }
-};
-
-void Array::sort_custom(Callable p_callable) {
- SortArray<Variant, _ArrayVariantSortCustom, true> avs;
- avs.compare.func = p_callable;
- avs.sort(_p->array.ptrw(), _p->array.size());
+void Array::sort_custom(const Callable &p_callable) {
+ _p->array.sort_custom<CallableComparator, true>(p_callable);
}
void Array::shuffle() {
@@ -491,13 +508,10 @@ int Array::bsearch(const Variant &p_value, bool p_before) {
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) {
+int Array::bsearch_custom(const Variant &p_value, const Callable &p_callable, bool p_before) {
ERR_FAIL_COND_V(!_p->typed.validate(p_value, "custom binary search"), -1);
- SearchArray<Variant, _ArrayVariantSortCustom> avs;
- avs.compare.func = p_callable;
-
- return avs.bisect(_p->array.ptrw(), _p->array.size(), p_value, p_before);
+ return _p->array.bsearch_custom<CallableComparator>(p_value, p_before, p_callable);
}
void Array::reverse() {
@@ -522,7 +536,7 @@ 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();
@@ -549,7 +563,7 @@ 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;
}
@@ -598,7 +612,7 @@ Variant Array::max() const {
}
const void *Array::id() const {
- return _p->array.ptr();
+ return _p;
}
Array::Array(const Array &p_from, uint32_t p_type, const StringName &p_class_name, const Variant &p_script) {