mirror of
https://github.com/Relintai/godot_voxel.git
synced 2024-11-11 20:35:08 +01:00
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
|
#ifndef HEADER_VOXEL_UTILITY_H
|
||
|
|
#define HEADER_VOXEL_UTILITY_H
|
||
|
|
|
||
|
|
#include <core/vector.h>
|
||
|
|
#include <core/dvector.h>
|
||
|
|
#include "vector3i.h"
|
||
|
|
|
||
|
|
// Takes elements starting from a given position and moves them at the beginning,
|
||
|
|
// then shrink the array to fit them. Other elements are discarded.
|
||
|
|
template <typename T>
|
||
|
|
void shift_up(Vector<T> &v, int pos) {
|
||
|
|
|
||
|
|
int j = 0;
|
||
|
|
for (int i = pos; i < v.size(); ++i, ++j) {
|
||
|
|
v.write[j] = v[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
int remaining = v.size() - pos;
|
||
|
|
v.resize(remaining);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Pops the last element of the vector and place it at the given position.
|
||
|
|
// (The element that was at this position is the one removed).
|
||
|
|
template <typename T>
|
||
|
|
void unordered_remove(Vector<T> &v, int pos) {
|
||
|
|
int last = v.size() - 1;
|
||
|
|
v.write[pos] = v[last];
|
||
|
|
v.resize(last);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
void copy_to(PoolVector<T> &to, const Vector<T> &from) {
|
||
|
|
|
||
|
|
to.resize(from.size());
|
||
|
|
|
||
|
|
typename PoolVector<T>::Write w = to.write();
|
||
|
|
|
||
|
|
for (unsigned int i = 0; i < from.size(); ++i) {
|
||
|
|
w[i] = from[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // HEADER_VOXEL_UTILITY_H
|