d8223ffa75
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
146 lines
3.9 KiB
C++
146 lines
3.9 KiB
C++
/*************************************************************************/
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/* vset.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef VSET_H
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#define VSET_H
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#include "typedefs.h"
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#include "vector.h"
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template<class T>
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class VSet {
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Vector<T> _data;
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_FORCE_INLINE_ int _find(const T& p_val,bool &r_exact) const {
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r_exact=false;
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if (_data.empty())
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return 0;
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int low = 0;
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int high = _data.size() -1;
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int middle;
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const T *a=&_data[0];
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while( low <= high )
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{
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middle = ( low + high ) / 2;
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if( p_val < a[ middle] ) {
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high = middle - 1; //search low end of array
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} else if ( a[middle] < p_val) {
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low = middle + 1; //search high end of array
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} else {
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r_exact=true;
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return middle;
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}
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}
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//return the position where this would be inserted
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if (a[middle]<p_val)
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middle++;
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return middle;
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}
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_FORCE_INLINE_ int _find_exact(const T& p_val) const {
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if (_data.empty())
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return -1;
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int low = 0;
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int high = _data.size() -1;
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int middle;
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const T *a=&_data[0];
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while( low <= high )
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{
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middle = ( low + high ) / 2;
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if( p_val < a[ middle] ) {
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high = middle - 1; //search low end of array
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} else if ( a[middle] < p_val) {
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low = middle + 1; //search high end of array
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} else {
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return middle;
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}
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}
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return -1;
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}
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public:
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void insert(const T& p_val) {
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bool exact;
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int pos = _find(p_val,exact);
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if (exact)
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return;
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_data.insert(pos,p_val);
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}
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bool has(const T& p_val) const {
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return _find_exact(p_val)!=-1;
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}
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void erase(const T& p_val) {
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int pos = _find_exact(p_val);
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if (pos<0)
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return;
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_data.remove(pos);
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}
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int find(const T& p_val) const {
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return _find_exact(p_val);
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}
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_FORCE_INLINE_ bool empty() const { return _data.empty(); }
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_FORCE_INLINE_ int size() const { return _data.size(); }
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inline T& operator[](int p_index) {
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return _data[p_index];
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}
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inline const T& operator[](int p_index) const {
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return _data[p_index];
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}
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};
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#endif // VSET_H
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