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implement BinaryColumn

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dfsek 2021-07-28 08:08:03 -07:00
parent 987de074c6
commit 220a981b05
1 changed files with 54 additions and 0 deletions
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common/api/src/main/java/com/dfsek/terra/api/structure/feature/BinaryColumn.java Normal file
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package com.dfsek.terra.api.structure.feature;
import java.util.function.IntConsumer;
public class BinaryColumn {
private final boolean[] data;
private final int minY;
public BinaryColumn(int minY, int maxY) {
this.minY = minY;
if(maxY <= minY) throw new IllegalArgumentException("Max y must be greater than min y");
this.data = new boolean[maxY-minY];
}
public void set(int y) {
data[y - minY] = true;
}
public boolean get(int y) {
return data[y - minY];
}
public void forEach(IntConsumer consumer) {
for(int y = 0; y < data.length; y++) {
if(data[y]) {
consumer.accept(y - minY);
}
}
}
public BinaryColumn and(BinaryColumn that) {
if(that.minY != this.minY) throw new IllegalArgumentException("Must share same min Y");
if(that.data.length != this.data.length) throw new IllegalArgumentException("Must share same max Y");
BinaryColumn next = new BinaryColumn(minY, data.length - minY);
for(int i = 0; i < this.data.length; i++) {
next.data[i] = this.data[i] && that.data[i];
}
return next;
}
public BinaryColumn or(BinaryColumn that) {
if(that.minY != this.minY) throw new IllegalArgumentException("Must share same min Y");
if(that.data.length != this.data.length) throw new IllegalArgumentException("Must share same max Y");
BinaryColumn next = new BinaryColumn(minY, data.length - minY);
for(int i = 0; i < this.data.length; i++) {
next.data[i] = this.data[i] || that.data[i];
}
return next;
}
}