116 lines
3.3 KiB
Java
116 lines
3.3 KiB
Java
package net.minecraft.client.gui.font;
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import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
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import it.unimi.dsi.fastutil.ints.IntSet;
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import java.util.Arrays;
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import java.util.function.IntFunction;
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import javax.annotation.Nullable;
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import net.minecraftforge.api.distmarker.Dist;
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import net.minecraftforge.api.distmarker.OnlyIn;
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@OnlyIn(Dist.CLIENT)
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public class CodepointMap<T> {
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private static final int BLOCK_BITS = 8;
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private static final int BLOCK_SIZE = 256;
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private static final int IN_BLOCK_MASK = 255;
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private static final int MAX_BLOCK = 4351;
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private static final int BLOCK_COUNT = 4352;
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private final T[] empty;
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private final T[][] blockMap;
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private final IntFunction<T[]> blockConstructor;
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public CodepointMap(IntFunction<T[]> p_285284_, IntFunction<T[][]> p_285275_) {
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this.empty = (T[])((Object[])p_285284_.apply(256));
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this.blockMap = (T[][])((Object[][])p_285275_.apply(4352));
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Arrays.fill(this.blockMap, this.empty);
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this.blockConstructor = p_285284_;
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}
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public void clear() {
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Arrays.fill(this.blockMap, this.empty);
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}
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@Nullable
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public T get(int p_285131_) {
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int i = p_285131_ >> 8;
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int j = p_285131_ & 0xFF;
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return this.blockMap[i][j];
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}
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@Nullable
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public T put(int p_285321_, T p_285073_) {
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int i = p_285321_ >> 8;
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int j = p_285321_ & 0xFF;
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T[] at = this.blockMap[i];
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if (at == this.empty) {
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at = (T[])((Object[])this.blockConstructor.apply(256));
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this.blockMap[i] = at;
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at[j] = p_285073_;
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return null;
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} else {
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T t = at[j];
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at[j] = p_285073_;
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return t;
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}
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}
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public T computeIfAbsent(int p_285365_, IntFunction<T> p_285147_) {
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int i = p_285365_ >> 8;
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int j = p_285365_ & 0xFF;
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T[] at = this.blockMap[i];
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T t = at[j];
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if (t != null) {
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return t;
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} else {
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if (at == this.empty) {
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at = (T[])((Object[])this.blockConstructor.apply(256));
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this.blockMap[i] = at;
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}
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T t1 = p_285147_.apply(p_285365_);
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at[j] = t1;
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return t1;
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}
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}
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@Nullable
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public T remove(int p_285488_) {
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int i = p_285488_ >> 8;
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int j = p_285488_ & 0xFF;
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T[] at = this.blockMap[i];
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if (at == this.empty) {
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return null;
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} else {
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T t = at[j];
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at[j] = null;
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return t;
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}
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}
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public void forEach(CodepointMap.Output<T> p_285048_) {
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for (int i = 0; i < this.blockMap.length; i++) {
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T[] at = this.blockMap[i];
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if (at != this.empty) {
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for (int j = 0; j < at.length; j++) {
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T t = at[j];
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if (t != null) {
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int k = i << 8 | j;
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p_285048_.accept(k, t);
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}
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}
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}
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}
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}
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public IntSet keySet() {
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IntOpenHashSet intopenhashset = new IntOpenHashSet();
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this.forEach((p_285165_, p_285389_) -> intopenhashset.add(p_285165_));
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return intopenhashset;
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}
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@FunctionalInterface
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@OnlyIn(Dist.CLIENT)
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public interface Output<T> {
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void accept(int p_285163_, T p_285313_);
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}
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} |