AstralTransRocketries/minosoft
1
0
Fork 0
mirror of https://gitlab.bixilon.de/bixilon/minosoft.git synced 2025-09-09 15:29:20 -04:00
Code Issues Packages Projects Releases Wiki Activity

fix section counting in chunk bulk

Browse Source
This commit is contained in:
bixilon 2020-06-05 22:43:40 +02:00
parent 00fc8ec051
commit faae40e0dc
No known key found for this signature in database
GPG Key ID: 5CAD791931B09AC4
2 changed files with 18 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketChunkBulk.java
View File

@ -42,7 +42,7 @@ public class PacketChunkBulk implements ClientboundPacket {
//chunk //chunk
byte sections = (byte) Integer.bitCount(sectionBitMask); byte sections = BitByte.getBitCount(sectionBitMask);
int totalBytes = 4096 * sections; // 16 * 16 * 16 * sections; Section Width * Section Height * Section Width * sections int totalBytes = 4096 * sections; // 16 * 16 * 16 * sections; Section Width * Section Height * Section Width * sections
int halfBytes = totalBytes / 2; // half bytes int halfBytes = totalBytes / 2; // half bytes

17
src/main/java/de/bixilon/minosoft/util/BitByte.java
View File

@ -8,6 +8,13 @@ public class BitByte {
return bitSet; return bitSet;
} }
public static boolean isBitSetShort(short in, int pos) {
boolean bitSet;
int mask = 1 << pos;
bitSet = ((in & mask) == mask);
return bitSet;
}
public static byte getLow4Bits(byte input) { public static byte getLow4Bits(byte input) {
return (byte) (input & 0xF); return (byte) (input & 0xF);
} }
@ -16,4 +23,14 @@ public class BitByte {
return (byte) ((input) >> 4 & 0xF); return (byte) ((input) >> 4 & 0xF);
} }
public static byte getBitCount(short input) {
byte ret = 0;
for (int i = 0; i < Short.BYTES * 8; i++) { // bytes to bits
if (isBitSetShort(input, i)) {
ret++;
}
}
return ret;
}
} }