diff options
Diffstat (limited to 'core/variant/array.cpp')
-rw-r--r-- | core/variant/array.cpp | 164 |
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) { |