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File size: 3,420 Bytes
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package net.minecraft.client.gui.font;
import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
import it.unimi.dsi.fastutil.ints.IntSet;
import java.util.Arrays;
import java.util.function.IntFunction;
import javax.annotation.Nullable;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
@OnlyIn(Dist.CLIENT)
public class CodepointMap<T> {
private static final int BLOCK_BITS = 8;
private static final int BLOCK_SIZE = 256;
private static final int IN_BLOCK_MASK = 255;
private static final int MAX_BLOCK = 4351;
private static final int BLOCK_COUNT = 4352;
private final T[] empty;
private final T[][] blockMap;
private final IntFunction<T[]> blockConstructor;
public CodepointMap(IntFunction<T[]> p_285284_, IntFunction<T[][]> p_285275_) {
this.empty = (T[])((Object[])p_285284_.apply(256));
this.blockMap = (T[][])((Object[][])p_285275_.apply(4352));
Arrays.fill(this.blockMap, this.empty);
this.blockConstructor = p_285284_;
}
public void clear() {
Arrays.fill(this.blockMap, this.empty);
}
@Nullable
public T get(int p_285131_) {
int i = p_285131_ >> 8;
int j = p_285131_ & 0xFF;
return this.blockMap[i][j];
}
@Nullable
public T put(int p_285321_, T p_285073_) {
int i = p_285321_ >> 8;
int j = p_285321_ & 0xFF;
T[] at = this.blockMap[i];
if (at == this.empty) {
at = (T[])((Object[])this.blockConstructor.apply(256));
this.blockMap[i] = at;
at[j] = p_285073_;
return null;
} else {
T t = at[j];
at[j] = p_285073_;
return t;
}
}
public T computeIfAbsent(int p_285365_, IntFunction<T> p_285147_) {
int i = p_285365_ >> 8;
int j = p_285365_ & 0xFF;
T[] at = this.blockMap[i];
T t = at[j];
if (t != null) {
return t;
} else {
if (at == this.empty) {
at = (T[])((Object[])this.blockConstructor.apply(256));
this.blockMap[i] = at;
}
T t1 = p_285147_.apply(p_285365_);
at[j] = t1;
return t1;
}
}
@Nullable
public T remove(int p_285488_) {
int i = p_285488_ >> 8;
int j = p_285488_ & 0xFF;
T[] at = this.blockMap[i];
if (at == this.empty) {
return null;
} else {
T t = at[j];
at[j] = null;
return t;
}
}
public void forEach(CodepointMap.Output<T> p_285048_) {
for (int i = 0; i < this.blockMap.length; i++) {
T[] at = this.blockMap[i];
if (at != this.empty) {
for (int j = 0; j < at.length; j++) {
T t = at[j];
if (t != null) {
int k = i << 8 | j;
p_285048_.accept(k, t);
}
}
}
}
}
public IntSet keySet() {
IntOpenHashSet intopenhashset = new IntOpenHashSet();
this.forEach((p_285165_, p_285389_) -> intopenhashset.add(p_285165_));
return intopenhashset;
}
@FunctionalInterface
@OnlyIn(Dist.CLIENT)
public interface Output<T> {
void accept(int p_285163_, T p_285313_);
}
} |