62 lines
2.0 KiB
Java
62 lines
2.0 KiB
Java
/*
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*
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* MIT License
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*
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* Copyright (c) 2020 TerraForged
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* 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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.terraforged.core.filter;
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import com.terraforged.core.cell.Cell;
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public interface Modifier {
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float getModifier(float value);
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default float modify(Cell cell, float value) {
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return value * getModifier(cell.value);
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}
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default Modifier invert() {
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return v -> 1 - getModifier(v);
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}
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static Modifier range(float minValue, float maxValue) {
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return new Modifier() {
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private final float min = minValue;
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private final float max = maxValue;
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private final float range = maxValue - minValue;
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@Override
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public float getModifier(float value) {
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if (value > max) {
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return 1F;
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}
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if (value < min) {
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return 0F;
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}
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return (value - min) / range;
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}
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};
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}
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}
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