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Corrected bitwise palette code and some bugs.

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This commit is contained in:
Eoghanmc22 2020-11-11 14:28:59 -05:00
parent babc6e35ba
commit a7a390307c
1 changed files with 15 additions and 19 deletions
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34
src/main/java/net/minestom/server/instance/palette/PaletteStorage.java
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@ -29,9 +29,9 @@ public class PaletteStorage {
}
public PaletteStorage(int bitsPerEntry) {
this.bitsPerEntry = bitsPerEntry;
this.valuesPerLong = Long.SIZE / bitsPerEntry;
this.hasPalette = bitsPerEntry <= PALETTE_MAXIMUM_BITS;
this.bitsPerEntry = hasPalette ? bitsPerEntry : 15;
this.valuesPerLong = Long.SIZE / this.bitsPerEntry;
}
private synchronized short getPaletteIndex(short blockId) {
@ -81,8 +81,6 @@ public class PaletteStorage {
long block = sectionBlock[index];
{
long cacheMask = (1L << bitIndex) - 1L;
long cache = block & cacheMask;
/*System.out.println("blockId "+blockId);
System.out.println("bitIndex "+bitIndex);
@ -90,14 +88,20 @@ public class PaletteStorage {
System.out.println("mask "+binary(cacheMask));
System.out.println("cache "+binary(cache));*/
block = block >> bitIndex << bitIndex;
/*block = block >> bitIndex << bitIndex;
//System.out.println("block "+binary(block));
block = block | blockId;
//System.out.println("block2 "+binary(block));
block = (block << bitIndex);
//System.out.println("block3 "+binary(block));
block = block | cache;
//System.out.println("block4 "+binary(block));
//System.out.println("block4 "+binary(block));*/
long clear = Integer.MAX_VALUE >> (31 - bitsPerEntry);
block |= clear << bitIndex;
block ^= clear << bitIndex;
block |= (long) blockId << bitIndex;
sectionBlock[index] = block;
@ -127,24 +131,15 @@ public class PaletteStorage {
return 0;
}
long value = blocks[index] >> bitIndex;
long mask = (1L << ((long) bitIndex + (long) bitsPerEntry)) - 1L;
long finalValue;
long mask = Integer.MAX_VALUE >> (31 - bitsPerEntry);
long value = blocks[index] >> bitIndex & mask;
/*System.out.println("index " + index);
System.out.println("bitIndex " + bitIndex);
System.out.println("test1 " + binary(value));
System.out.println("test2 " + binary(mask));*/
{
mask = mask >> bitIndex << bitIndex;
//System.out.println("test3 " + binary(mask));
finalValue = value & mask >> bitIndex;
}
// Change to palette value
final short blockId = paletteBlockMap.get((short) finalValue);
final short blockId = hasPalette ? paletteBlockMap.get((short) value) : (short) value;
//System.out.println("final " + binary(finalValue));
@ -189,7 +184,8 @@ public class PaletteStorage {
}
private int getSectionIndex(int x, int y, int z) {
return (((y * CHUNK_SECTION_SIZE) + z) * CHUNK_SECTION_SIZE) + x;
//return (((y * CHUNK_SECTION_SIZE) + z) * CHUNK_SECTION_SIZE) + x;
return y << 8 | z << 4 | x;
}
}