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/* SPDX-FileCopyrightText: 2026 Project Tick
* SPDX-FileContributor: Project Tick
* SPDX-License-Identifier: GPL-3.0-or-later
*
* MeshMC - A Custom Launcher for Minecraft
* Copyright (C) 2026 Project Tick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
template <typename T> inline void clamp(T& current, T min, T max)
{
if (current < min) {
current = min;
} else if (current > max) {
current = max;
}
}
// List of numbers from min to max. Next is exponent times bigger than previous.
class ExponentialSeries
{
public:
ExponentialSeries(unsigned min, unsigned max, unsigned exponent = 2)
{
m_current = m_min = min;
m_max = max;
m_exponent = exponent;
}
void reset()
{
m_current = m_min;
}
unsigned operator()()
{
unsigned retval = m_current;
m_current *= m_exponent;
clamp(m_current, m_min, m_max);
return retval;
}
unsigned m_current;
unsigned m_min;
unsigned m_max;
unsigned m_exponent;
};
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