337 lines
9.5 KiB
C++
337 lines
9.5 KiB
C++
/**************************************************************************/
|
|
/* vector.hpp */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/**************************************************************************/
|
|
|
|
#ifndef GODOT_VECTOR_HPP
|
|
#define GODOT_VECTOR_HPP
|
|
|
|
/**
|
|
* @class Vector
|
|
* Vector container. Regular Vector Container. Use with care and for smaller arrays when possible. Use Vector for large arrays.
|
|
*/
|
|
|
|
#include <godot_cpp/core/error_macros.hpp>
|
|
#include <godot_cpp/core/memory.hpp>
|
|
#include <godot_cpp/templates/cowdata.hpp>
|
|
#include <godot_cpp/templates/search_array.hpp>
|
|
#include <godot_cpp/templates/sort_array.hpp>
|
|
|
|
#include <climits>
|
|
#include <initializer_list>
|
|
|
|
namespace godot {
|
|
|
|
template <typename T>
|
|
class VectorWriteProxy {
|
|
public:
|
|
_FORCE_INLINE_ T &operator[](typename CowData<T>::Size p_index) {
|
|
CRASH_BAD_INDEX(p_index, ((Vector<T> *)(this))->_cowdata.size());
|
|
|
|
return ((Vector<T> *)(this))->_cowdata.ptrw()[p_index];
|
|
}
|
|
};
|
|
|
|
template <typename T>
|
|
class Vector {
|
|
friend class VectorWriteProxy<T>;
|
|
|
|
public:
|
|
VectorWriteProxy<T> write;
|
|
typedef typename CowData<T>::Size Size;
|
|
|
|
private:
|
|
CowData<T> _cowdata;
|
|
|
|
public:
|
|
bool push_back(T p_elem);
|
|
_FORCE_INLINE_ bool append(const T &p_elem) { return push_back(p_elem); } //alias
|
|
void fill(T p_elem);
|
|
|
|
void remove_at(Size p_index) { _cowdata.remove_at(p_index); }
|
|
_FORCE_INLINE_ bool erase(const T &p_val) {
|
|
Size idx = find(p_val);
|
|
if (idx >= 0) {
|
|
remove_at(idx);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void reverse();
|
|
|
|
_FORCE_INLINE_ T *ptrw() { return _cowdata.ptrw(); }
|
|
_FORCE_INLINE_ const T *ptr() const { return _cowdata.ptr(); }
|
|
_FORCE_INLINE_ void clear() { resize(0); }
|
|
_FORCE_INLINE_ bool is_empty() const { return _cowdata.is_empty(); }
|
|
|
|
_FORCE_INLINE_ T get(Size p_index) { return _cowdata.get(p_index); }
|
|
_FORCE_INLINE_ const T &get(Size p_index) const { return _cowdata.get(p_index); }
|
|
_FORCE_INLINE_ void set(Size p_index, const T &p_elem) { _cowdata.set(p_index, p_elem); }
|
|
_FORCE_INLINE_ Size size() const { return _cowdata.size(); }
|
|
Error resize(Size p_size) { return _cowdata.resize(p_size); }
|
|
Error resize_zeroed(Size p_size) { return _cowdata.template resize<true>(p_size); }
|
|
_FORCE_INLINE_ const T &operator[](Size p_index) const { return _cowdata.get(p_index); }
|
|
Error insert(Size p_pos, T p_val) { return _cowdata.insert(p_pos, p_val); }
|
|
Size find(const T &p_val, Size p_from = 0) const { return _cowdata.find(p_val, p_from); }
|
|
Size rfind(const T &p_val, Size p_from = -1) const { return _cowdata.rfind(p_val, p_from); }
|
|
Size count(const T &p_val) const { return _cowdata.count(p_val); }
|
|
|
|
void append_array(Vector<T> p_other);
|
|
|
|
_FORCE_INLINE_ bool has(const T &p_val) const { return find(p_val) != -1; }
|
|
|
|
void sort() {
|
|
sort_custom<_DefaultComparator<T>>();
|
|
}
|
|
|
|
template <typename Comparator, bool Validate = SORT_ARRAY_VALIDATE_ENABLED, typename... Args>
|
|
void sort_custom(Args &&...args) {
|
|
Size len = _cowdata.size();
|
|
if (len == 0) {
|
|
return;
|
|
}
|
|
|
|
T *data = ptrw();
|
|
SortArray<T, Comparator, Validate> sorter{ args... };
|
|
sorter.sort(data, len);
|
|
}
|
|
|
|
Size bsearch(const T &p_value, bool p_before) {
|
|
return bsearch_custom<_DefaultComparator<T>>(p_value, p_before);
|
|
}
|
|
|
|
template <typename Comparator, typename Value, typename... Args>
|
|
Size bsearch_custom(const Value &p_value, bool p_before, Args &&...args) {
|
|
SearchArray<T, Comparator> search{ args... };
|
|
return search.bisect(ptrw(), size(), p_value, p_before);
|
|
}
|
|
|
|
Vector<T> duplicate() {
|
|
return *this;
|
|
}
|
|
|
|
void ordered_insert(const T &p_val) {
|
|
Size i;
|
|
for (i = 0; i < _cowdata.size(); i++) {
|
|
if (p_val < operator[](i)) {
|
|
break;
|
|
}
|
|
}
|
|
insert(i, p_val);
|
|
}
|
|
|
|
inline void operator=(const Vector &p_from) {
|
|
_cowdata._ref(p_from._cowdata);
|
|
}
|
|
|
|
Vector<uint8_t> to_byte_array() const {
|
|
Vector<uint8_t> ret;
|
|
if (is_empty()) {
|
|
return ret;
|
|
}
|
|
ret.resize(size() * sizeof(T));
|
|
memcpy(ret.ptrw(), ptr(), sizeof(T) * size());
|
|
return ret;
|
|
}
|
|
|
|
Vector<T> slice(Size p_begin, Size p_end = CowData<T>::MAX_INT) const {
|
|
Vector<T> result;
|
|
|
|
const Size s = size();
|
|
|
|
Size begin = Math::clamp(p_begin, -s, s);
|
|
if (begin < 0) {
|
|
begin += s;
|
|
}
|
|
Size end = Math::clamp(p_end, -s, s);
|
|
if (end < 0) {
|
|
end += s;
|
|
}
|
|
|
|
ERR_FAIL_COND_V(begin > end, result);
|
|
|
|
Size result_size = end - begin;
|
|
result.resize(result_size);
|
|
|
|
const T *const r = ptr();
|
|
T *const w = result.ptrw();
|
|
for (Size i = 0; i < result_size; ++i) {
|
|
w[i] = r[begin + i];
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
bool operator==(const Vector<T> &p_arr) const {
|
|
Size s = size();
|
|
if (s != p_arr.size()) {
|
|
return false;
|
|
}
|
|
for (Size i = 0; i < s; i++) {
|
|
if (operator[](i) != p_arr[i]) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool operator!=(const Vector<T> &p_arr) const {
|
|
Size s = size();
|
|
if (s != p_arr.size()) {
|
|
return true;
|
|
}
|
|
for (Size i = 0; i < s; i++) {
|
|
if (operator[](i) != p_arr[i]) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
struct Iterator {
|
|
_FORCE_INLINE_ T &operator*() const {
|
|
return *elem_ptr;
|
|
}
|
|
_FORCE_INLINE_ T *operator->() const { return elem_ptr; }
|
|
_FORCE_INLINE_ Iterator &operator++() {
|
|
elem_ptr++;
|
|
return *this;
|
|
}
|
|
_FORCE_INLINE_ Iterator &operator--() {
|
|
elem_ptr--;
|
|
return *this;
|
|
}
|
|
|
|
_FORCE_INLINE_ bool operator==(const Iterator &b) const { return elem_ptr == b.elem_ptr; }
|
|
_FORCE_INLINE_ bool operator!=(const Iterator &b) const { return elem_ptr != b.elem_ptr; }
|
|
|
|
Iterator(T *p_ptr) { elem_ptr = p_ptr; }
|
|
Iterator() {}
|
|
Iterator(const Iterator &p_it) { elem_ptr = p_it.elem_ptr; }
|
|
|
|
private:
|
|
T *elem_ptr = nullptr;
|
|
};
|
|
|
|
struct ConstIterator {
|
|
_FORCE_INLINE_ const T &operator*() const {
|
|
return *elem_ptr;
|
|
}
|
|
_FORCE_INLINE_ const T *operator->() const { return elem_ptr; }
|
|
_FORCE_INLINE_ ConstIterator &operator++() {
|
|
elem_ptr++;
|
|
return *this;
|
|
}
|
|
_FORCE_INLINE_ ConstIterator &operator--() {
|
|
elem_ptr--;
|
|
return *this;
|
|
}
|
|
|
|
_FORCE_INLINE_ bool operator==(const ConstIterator &b) const { return elem_ptr == b.elem_ptr; }
|
|
_FORCE_INLINE_ bool operator!=(const ConstIterator &b) const { return elem_ptr != b.elem_ptr; }
|
|
|
|
ConstIterator(const T *p_ptr) { elem_ptr = p_ptr; }
|
|
ConstIterator() {}
|
|
ConstIterator(const ConstIterator &p_it) { elem_ptr = p_it.elem_ptr; }
|
|
|
|
private:
|
|
const T *elem_ptr = nullptr;
|
|
};
|
|
|
|
_FORCE_INLINE_ Iterator begin() {
|
|
return Iterator(ptrw());
|
|
}
|
|
_FORCE_INLINE_ Iterator end() {
|
|
return Iterator(ptrw() + size());
|
|
}
|
|
|
|
_FORCE_INLINE_ ConstIterator begin() const {
|
|
return ConstIterator(ptr());
|
|
}
|
|
_FORCE_INLINE_ ConstIterator end() const {
|
|
return ConstIterator(ptr() + size());
|
|
}
|
|
|
|
_FORCE_INLINE_ Vector() {}
|
|
_FORCE_INLINE_ Vector(std::initializer_list<T> p_init) {
|
|
Error err = _cowdata.resize(p_init.size());
|
|
ERR_FAIL_COND(err);
|
|
|
|
Size i = 0;
|
|
for (const T &element : p_init) {
|
|
_cowdata.set(i++, element);
|
|
}
|
|
}
|
|
_FORCE_INLINE_ Vector(const Vector &p_from) { _cowdata._ref(p_from._cowdata); }
|
|
|
|
_FORCE_INLINE_ ~Vector() {}
|
|
};
|
|
|
|
template <typename T>
|
|
void Vector<T>::reverse() {
|
|
for (Size i = 0; i < size() / 2; i++) {
|
|
T *p = ptrw();
|
|
SWAP(p[i], p[size() - i - 1]);
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
void Vector<T>::append_array(Vector<T> p_other) {
|
|
const Size ds = p_other.size();
|
|
if (ds == 0) {
|
|
return;
|
|
}
|
|
const Size bs = size();
|
|
resize(bs + ds);
|
|
for (Size i = 0; i < ds; ++i) {
|
|
ptrw()[bs + i] = p_other[i];
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
bool Vector<T>::push_back(T p_elem) {
|
|
Error err = resize(size() + 1);
|
|
ERR_FAIL_COND_V(err, true);
|
|
set(size() - 1, p_elem);
|
|
|
|
return false;
|
|
}
|
|
|
|
template <typename T>
|
|
void Vector<T>::fill(T p_elem) {
|
|
T *p = ptrw();
|
|
for (Size i = 0; i < size(); i++) {
|
|
p[i] = p_elem;
|
|
}
|
|
}
|
|
|
|
} // namespace godot
|
|
|
|
#endif // GODOT_VECTOR_HPP
|