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Another 20% improvement

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themode 2022-01-06 01:46:08 +01:00 committed by TheMode
parent 6827edb619
commit 4258e14c5f
1 changed files with 8 additions and 4 deletions
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12
src/main/java/net/minestom/server/instance/palette/PaletteImpl.java
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@ -98,20 +98,24 @@ final class PaletteImpl implements Palette, Cloneable {
final int bitsPerEntry = this.bitsPerEntry; final int bitsPerEntry = this.bitsPerEntry;
final int magicMask = MAGIC_MASKS[bitsPerEntry]; final int magicMask = MAGIC_MASKS[bitsPerEntry];
final int valuesPerLong = VALUES_PER_LONG[bitsPerEntry]; final int valuesPerLong = VALUES_PER_LONG[bitsPerEntry];
final int size = this.size;
final int dimensionMinus = dimension - 1; final int dimensionMinus = dimension - 1;
final int[] ids = hasPalette ? paletteToValueList.elements() : null;
final int dimensionBitCount = this.dimensionBitCount;
final int shiftedDimensionBitCount = dimensionBitCount << 1;
for (int i = 0; i < values.length; i++) { for (int i = 0; i < values.length; i++) {
final long value = values[i]; final long value = values[i];
final int startIndex = i * valuesPerLong; final int startIndex = i * valuesPerLong;
final int maxIndex = startIndex + valuesPerLong > size ? size - startIndex : valuesPerLong; final int maxIndex = startIndex + valuesPerLong > size ? size - startIndex : valuesPerLong;
for (int j = 0; j < maxIndex; j++) { for (int j = 0; j < maxIndex; j++) {
final int index = startIndex + j; final int index = startIndex + j;
final int y = index >> (dimensionBitCount << 1); final int y = index >> shiftedDimensionBitCount;
final int z = (index >> (dimensionBitCount)) & dimensionMinus; final int z = index >> dimensionBitCount & dimensionMinus;
final int x = index & dimensionMinus; final int x = index & dimensionMinus;
final int bitIndex = j * bitsPerEntry; final int bitIndex = j * bitsPerEntry;
final short paletteIndex = (short) (value >> bitIndex & magicMask); final short paletteIndex = (short) (value >> bitIndex & magicMask);
final int result = hasPalette ? paletteToValueList.getInt(paletteIndex) : paletteIndex; consumer.accept(x, y, z, ids != null ? ids[paletteIndex] : paletteIndex);
consumer.accept(x, y, z, result);
} }
} }
} }