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Improve setAll

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themode 2022-01-05 10:34:49 +01:00 committed by TheMode
parent 5bbf4642e8
commit 419c1a4a91
1 changed files with 31 additions and 53 deletions
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84
src/main/java/net/minestom/server/instance/palette/PaletteImpl.java
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@ -191,73 +191,50 @@ final class PaletteImpl implements Palette, Cloneable {
@Override
public void setAll(@NotNull EntrySupplier supplier) {
long[] values = this.values;
int bitsPerEntry = this.bitsPerEntry;
int valuesPerLong = VALUES_PER_LONG[bitsPerEntry];
if (values.length == 0) {
this.values = values = new long[(size + valuesPerLong - 1) / valuesPerLong];
}
int magicMask = MAGIC_MASKS[bitsPerEntry];
final int dimensionMinus = dimension - 1;
int[] cache = WRITE_CACHE.get();
if (cache.length < maxSize()) {
cache = new int[maxSize()];
WRITE_CACHE.set(cache);
}
int j = 0;
valueLoop:
// Fill cache with values
final int dimensionMinus = dimension - 1;
int count = 0;
for (int i = 0; i < size; i++) {
final int y = i >> (dimensionBitCount << 1);
final int z = (i >> (dimensionBitCount)) & dimensionMinus;
final int x = i & dimensionMinus;
final int value = supplier.get(x, y, z);
if (value != 0) {
cache[i] = getPaletteIndex(value);
count++;
} else {
cache[i] = 0;
count--;
}
}
// Set values to final array
final int bitsPerEntry = this.bitsPerEntry;
final int valuesPerLong = VALUES_PER_LONG[bitsPerEntry];
long[] values = this.values;
if (values.length == 0) {
this.values = values = new long[(size + valuesPerLong - 1) / valuesPerLong];
}
final int magicMask = MAGIC_MASKS[bitsPerEntry];
for (int i = 0; i < values.length; i++) {
long block = values[i];
for (; j < valuesPerLong; j++) {
for (int j = 0; j < valuesPerLong; j++) {
final int index = i * valuesPerLong + j;
final int y = index >> (dimensionBitCount << 1);
final int z = (index >> (dimensionBitCount)) & dimensionMinus;
final int x = index & dimensionMinus;
if (y >= dimension)
continue; // Out of bounds
int value = cache[index] = supplier.get(x, y, z);
final boolean placedAir = value == 0;
if (value != 0) {
value = getPaletteIndex(value);
if (bitsPerEntry != this.bitsPerEntry) {
// Palette has been resized, must update the loop indexes
for (int k = 0; k < j + 1; k++) { // Place previous elements from cache
final int index2 = i * valuesPerLong + k;
final int y2 = index2 >> (dimensionBitCount << 1);
final int z2 = (index2 >> (dimensionBitCount)) & dimensionMinus;
final int x2 = index2 & dimensionMinus;
set(x2, y2, z2, cache[index2]);
}
bitsPerEntry = this.bitsPerEntry;
values = this.values;
valuesPerLong = VALUES_PER_LONG[bitsPerEntry];
magicMask = MAGIC_MASKS[bitsPerEntry];
i = (index) / valuesPerLong - 1;
j = index % valuesPerLong + 1;
continue valueLoop;
}
}
if (index >= size) break;
final int bitIndex = j * bitsPerEntry;
{
final long oldBlock = block >> bitIndex & magicMask;
if (oldBlock == value)
continue; // Trying to place the same block
final boolean currentAir = oldBlock == 0;
final long indexClear = (long) magicMask << bitIndex;
block &= ~indexClear;
block |= (long) value << bitIndex;
if (currentAir != placedAir) {
// Block count changed
this.count += currentAir ? 1 : -1;
}
block |= (long) cache[index] << bitIndex;
}
}
j = 0;
values[i] = block;
}
this.count = count;
}
@Override
@ -342,6 +319,9 @@ final class PaletteImpl implements Palette, Cloneable {
private void resize(int newBitsPerEntry) {
newBitsPerEntry = fixBitsPerEntry(newBitsPerEntry);
PaletteImpl palette = new PaletteImpl(dimension, maxBitsPerEntry, newBitsPerEntry, bitsIncrement);
palette.lastPaletteIndex = lastPaletteIndex;
palette.paletteToValueList = paletteToValueList;
palette.valueToPaletteMap = valueToPaletteMap;
for (int y = 0; y < dimension; y++) {
for (int z = 0; z < dimension; z++) {
for (int x = 0; x < dimension; x++) {
@ -357,8 +337,6 @@ final class PaletteImpl implements Palette, Cloneable {
this.count = palette.count;
this.values = palette.values;
this.paletteToValueList = palette.paletteToValueList;
this.valueToPaletteMap = palette.valueToPaletteMap;
}
private int getPaletteIndex(int value) {