56 lines
1.3 KiB
Java
56 lines
1.3 KiB
Java
package net.minecraft.world.phys.shapes;
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import it.unimi.dsi.fastutil.doubles.AbstractDoubleList;
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import it.unimi.dsi.fastutil.doubles.DoubleList;
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public class NonOverlappingMerger extends AbstractDoubleList implements IndexMerger {
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private final DoubleList lower;
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private final DoubleList upper;
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private final boolean swap;
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protected NonOverlappingMerger(DoubleList lower, DoubleList upper, boolean swap) {
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this.lower = lower;
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this.upper = upper;
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this.swap = swap;
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}
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@Override
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public int size() {
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return this.lower.size() + this.upper.size();
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}
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@Override
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public boolean forMergedIndexes(IndexMerger.IndexConsumer consumer) {
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return this.swap ? this.forNonSwappedIndexes((i, j, k) -> consumer.merge(j, i, k)) : this.forNonSwappedIndexes(consumer);
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}
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private boolean forNonSwappedIndexes(IndexMerger.IndexConsumer consumer) {
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int i = this.lower.size();
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for (int j = 0; j < i; j++) {
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if (!consumer.merge(j, -1, j)) {
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return false;
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}
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}
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int jx = this.upper.size() - 1;
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for (int k = 0; k < jx; k++) {
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if (!consumer.merge(i - 1, k, i + k)) {
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return false;
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}
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}
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return true;
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}
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@Override
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public double getDouble(int i) {
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return i < this.lower.size() ? this.lower.getDouble(i) : this.upper.getDouble(i - this.lower.size());
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}
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@Override
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public DoubleList getList() {
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return this;
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}
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}
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