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Remove some AdaptivePalette fields

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This commit is contained in:
themode 2022-02-25 22:36:39 +01:00
parent 58b103afd6
commit 8839503767
5 changed files with 29 additions and 30 deletions
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2
jmh-benchmarks/src/jmh/java/net/minestom/jmh/palette/PaletteGetBenchmark.java
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@ -22,7 +22,7 @@ public class PaletteGetBenchmark {
@Setup
public void setup() {
palette = Palette.newPalette(dimension, 15, 4, 1);
palette = Palette.newPalette(dimension, 15, 4);
AtomicInteger value = new AtomicInteger();
palette.setAll((x, y, z) -> value.getAndIncrement());
}

13
src/main/java/net/minestom/server/instance/palette/AdaptivePalette.java
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@ -13,20 +13,16 @@ import java.util.function.IntUnaryOperator;
*/
final class AdaptivePalette implements Palette {
final int dimension;
final int dimensionBitCount;
final int maxBitsPerEntry;
final int defaultBitsPerEntry;
final int bitsIncrement;
SpecializedPalette palette;
AdaptivePalette(int dimension, int maxBitsPerEntry, int bitsPerEntry, int bitsIncrement) {
this.dimensionBitCount = validateDimension(dimension);
AdaptivePalette(int dimension, int maxBitsPerEntry, int bitsPerEntry) {
validateDimension(dimension);
this.dimension = dimension;
this.maxBitsPerEntry = maxBitsPerEntry;
this.defaultBitsPerEntry = bitsPerEntry;
this.bitsIncrement = bitsIncrement;
this.palette = new FilledPalette(dimension, 0);
}
@ -132,8 +128,9 @@ final class AdaptivePalette implements Palette {
flexiblePalette.getAll((x, y, z, value) -> entries.add(value));
if (entries.size() == 1) {
return new FilledPalette(dimension, entries.iterator().nextInt());
} else {
final int bitsPerEntry = Math.max(4, MathUtils.bitsToRepresent(entries.size() - 1));
} else if (flexiblePalette.bitsPerEntry() > defaultBitsPerEntry) {
final int bitsPerEntry = MathUtils.bitsToRepresent(entries.size() - 1);
assert bitsPerEntry < flexiblePalette.bitsPerEntry();
flexiblePalette.resize(bitsPerEntry);
return flexiblePalette;
}

8
src/main/java/net/minestom/server/instance/palette/FlexiblePalette.java
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@ -30,6 +30,7 @@ final class FlexiblePalette implements SpecializedPalette, Cloneable {
// Specific to this palette type
private final AdaptivePalette adaptivePalette;
private final int dimensionBitCount;
private int bitsPerEntry;
private boolean hasPalette;
@ -44,6 +45,7 @@ final class FlexiblePalette implements SpecializedPalette, Cloneable {
FlexiblePalette(AdaptivePalette adaptivePalette, int bitsPerEntry) {
this.adaptivePalette = adaptivePalette;
this.dimensionBitCount = (int) (Math.log(adaptivePalette.dimension()) / Math.log(2));
this.bitsPerEntry = bitsPerEntry;
this.hasPalette = bitsPerEntry <= maxBitsPerEntry();
@ -257,7 +259,7 @@ final class FlexiblePalette implements SpecializedPalette, Cloneable {
final int size = maxSize();
final int dimensionMinus = dimension - 1;
final int[] ids = hasPalette ? paletteToValueList.elements() : null;
final int dimensionBitCount = adaptivePalette.dimensionBitCount;
final int dimensionBitCount = this.dimensionBitCount;
final int shiftedDimensionBitCount = dimensionBitCount << 1;
for (int i = 0; i < values.length; i++) {
final long value = values[i];
@ -329,7 +331,7 @@ final class FlexiblePalette implements SpecializedPalette, Cloneable {
final int lastPaletteIndex = this.lastPaletteIndex;
if (lastPaletteIndex >= maxPaletteSize(bitsPerEntry)) {
// Palette is full, must resize
resize(bitsPerEntry + adaptivePalette.bitsIncrement);
resize(bitsPerEntry + 1);
return getPaletteIndex(value);
}
final int lookup = valueToPaletteMap.putIfAbsent(value, lastPaletteIndex);
@ -340,7 +342,7 @@ final class FlexiblePalette implements SpecializedPalette, Cloneable {
}
int getSectionIndex(int x, int y, int z) {
final int dimensionBitCount = adaptivePalette.dimensionBitCount;
final int dimensionBitCount = this.dimensionBitCount;
return y << (dimensionBitCount << 1) | z << dimensionBitCount | x;
}

8
src/main/java/net/minestom/server/instance/palette/Palette.java
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@ -12,15 +12,15 @@ import java.util.function.IntUnaryOperator;
*/
public interface Palette extends Writeable {
static Palette blocks() {
return newPalette(16, 8, 6, 1);
return newPalette(16, 8, 4);
}
static Palette biomes() {
return newPalette(4, 2, 1, 1);
return newPalette(4, 3, 1);
}
static Palette newPalette(int dimension, int maxBitsPerEntry, int bitsPerEntry, int bitIncrement) {
return new AdaptivePalette(dimension, maxBitsPerEntry, bitsPerEntry, bitIncrement);
static Palette newPalette(int dimension, int maxBitsPerEntry, int bitsPerEntry) {
return new AdaptivePalette(dimension, maxBitsPerEntry, bitsPerEntry);
}
int get(int x, int y, int z);

28
src/test/java/net/minestom/server/instance/palette/PaletteTest.java
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@ -71,7 +71,7 @@ public class PaletteTest {
@Test
public void resize() {
Palette palette = Palette.newPalette(16, 5, 2, 1);
Palette palette = Palette.newPalette(16, 5, 2);
palette.set(0, 0, 0, 1);
assertEquals(2, palette.bitsPerEntry());
palette.set(0, 0, 1, 2);
@ -252,7 +252,7 @@ public class PaletteTest {
@Test
public void replaceLoop() {
var palette = Palette.newPalette(2, 15, 4, 1);
var palette = Palette.newPalette(2, 15, 4);
palette.setAll((x, y, z) -> x + y + z);
final int dimension = palette.dimension();
for (int x = 0; x < dimension; x++) {
@ -266,21 +266,21 @@ public class PaletteTest {
@Test
public void dimension() {
assertThrows(Exception.class, () -> Palette.newPalette(-4, 5, 3, 1));
assertThrows(Exception.class, () -> Palette.newPalette(0, 5, 3, 1));
assertThrows(Exception.class, () -> Palette.newPalette(1, 5, 3, 1));
assertDoesNotThrow(() -> Palette.newPalette(2, 5, 3, 1));
assertThrows(Exception.class, () -> Palette.newPalette(3, 5, 3, 1));
assertDoesNotThrow(() -> Palette.newPalette(4, 5, 3, 1));
assertThrows(Exception.class, () -> Palette.newPalette(6, 5, 3, 1));
assertDoesNotThrow(() -> Palette.newPalette(16, 5, 3, 1));
assertThrows(Exception.class, () -> Palette.newPalette(-4, 5, 3));
assertThrows(Exception.class, () -> Palette.newPalette(0, 5, 3));
assertThrows(Exception.class, () -> Palette.newPalette(1, 5, 3));
assertDoesNotThrow(() -> Palette.newPalette(2, 5, 3));
assertThrows(Exception.class, () -> Palette.newPalette(3, 5, 3));
assertDoesNotThrow(() -> Palette.newPalette(4, 5, 3));
assertThrows(Exception.class, () -> Palette.newPalette(6, 5, 3));
assertDoesNotThrow(() -> Palette.newPalette(16, 5, 3));
}
private static List<Palette> testPalettes() {
return List.of(
Palette.newPalette(2, 5, 3, 1),
Palette.newPalette(4, 5, 3, 1),
Palette.newPalette(8, 5, 3, 1),
Palette.newPalette(16, 5, 3, 1));
Palette.newPalette(2, 5, 3),
Palette.newPalette(4, 5, 3),
Palette.newPalette(8, 5, 3),
Palette.newPalette(16, 5, 3));
}
}