TerraForged/TerraForgedCore/src/main/java/com/terraforged/core/util/grid/MappedList.java

51 lines
1.7 KiB
Java

/*
*
* MIT License
*
* Copyright (c) 2020 TerraForged
*
* 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.
*/
package com.terraforged.core.util.grid;
import java.util.List;
public class MappedList<T> extends FixedList<T> {
private final float min;
private final float range;
public MappedList(T[] elements, float min, float range) {
super(elements);
this.min = min;
this.range = range;
}
@Override
public int indexOf(float value) {
return super.indexOf((value - min) / range);
}
@SuppressWarnings("unchecked")
public static <T> MappedList<T> of(List<T> list, float min, float range) {
return new MappedList<>((T[]) list.toArray(), min, range);
}
}