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change storage format to single block array

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This commit is contained in:
Sen 2025-07-28 18:21:42 +02:00
parent 9e72902142
commit b9753203ec
Signed by: sen
GPG key ID: 3AC50A6F47D1B722
2 changed files with 11 additions and 46 deletions
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18
server/src/main/java/server/world/Converter.java
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@ -1723,9 +1723,7 @@ public abstract class Converter {
NbtTag sect = sections[y];
if(sect != null) {
byte[] newblks = new byte[4096];
NibbleArray datanew = new NibbleArray();
NibbleArray addnew = null;
byte[] newblks = new byte[4096 << 1];
for(int c = 0; c < blocks.length; ++c) {
int cx = c & 15;
int cy = c >> 8 & 15;
@ -1735,21 +1733,13 @@ public abstract class Converter {
continue;
char cd = mapping[BlockRegistry.getId(getState(block, data.get(cx, cy, cz), cy == 0 ? (lastData == null ? 0 : lastData.get(cx, 15, cz)) : data.get(cx, cy - 1, cz),
cy == 15 ? (nextData == null ? 0 : nextData.get(cx, 0, cz)) : data.get(cx, cy + 1, cz)))];
if(cd >> 12 != 0) {
if(addnew == null)
addnew = new NibbleArray();
addnew.set(cx, cy, cz, cd >> 12);
}
newblks[c] = (byte)(cd & 255);
datanew.set(cx, cy, cz, cd >> 8 & 15);
newblks[c << 1] = (byte)((cd >> 8) & 255);
newblks[(c << 1) | 1] = (byte)(cd & 255);
}
TagObject nsect = new TagObject();
nsect.setInt("Y", y);
nsect.setByteArray("Dat0", newblks);
nsect.setByteArray("Dat1", datanew.getData());
if(addnew != null)
nsect.setByteArray("Dat2", addnew.getData());
nsect.setByteArray("Data", newblks);
nsect.setByteArray("BlockLight", sect.getByteArray("BlockLight"));
nsect.setByteArray("SkyLight", sect.getByteArray("SkyLight"));
entities.add(nsect);

39
server/src/main/java/server/world/Region.java
View file

@ -496,17 +496,11 @@ public class Region {
TagObject sect = sects.get(n);
int y = sect.getInt("Y");
BlockArray storage = new BlockArray(y << 4, light, y < 0 ? world.dimension.getFiller() : null);
byte[] blocks = sect.getByteArray("Dat0");
NibbleArray data = new NibbleArray(sect.getByteArray("Dat1"));
NibbleArray adddata = sect.hasByteArray("Dat2") ? new NibbleArray(sect.getByteArray("Dat2")) : null;
char[] seg = new char[blocks.length];
byte[] blocks = sect.getByteArray("Data");
char[] seg = new char[blocks.length >> 1];
for(int c = 0; c < seg.length; ++c) {
int cx = c & 15;
int cy = c >> 8 & 15;
int cz = c >> 4 & 15;
int ca = adddata != null ? adddata.get(cx, cy, cz) : 0;
seg[c] = DECODE_MAP[ca << 12 | data.get(cx, cy, cz) << 8 | (blocks[c] & 255)];
seg[c] = DECODE_MAP[(blocks[c << 1] & 255) << 8 | (blocks[(c << 1) | 1] & 255)];
}
storage.setData(seg);
@ -608,34 +602,15 @@ public class Region {
if(storage != null) {
TagObject sect = new TagObject();
sect.setInt("Y", storage.getY() >> 4);
byte[] blocks = new byte[storage.getData().length];
NibbleArray data = new NibbleArray();
NibbleArray adddata = null;
byte[] blocks = new byte[storage.getData().length << 1];
for(int c = 0; c < storage.getData().length; ++c) {
char cd = ENCODE_MAP[storage.getData()[c]];
int cx = c & 15;
int cy = c >> 8 & 15;
int cz = c >> 4 & 15;
if(cd >> 12 != 0) {
if(adddata == null) {
adddata = new NibbleArray();
blocks[c << 1] = (byte)((cd >> 8) & 255);
blocks[(c << 1) | 1] = (byte)(cd & 255);
}
adddata.set(cx, cy, cz, cd >> 12);
}
blocks[c] = (byte)(cd & 255);
data.set(cx, cy, cz, cd >> 8 & 15);
}
sect.setByteArray("Dat0", blocks);
sect.setByteArray("Dat1", data.getData());
if(adddata != null) {
sect.setByteArray("Dat2", adddata.getData());
}
sect.setByteArray("Data", blocks);
sect.setByteArray("BlockLight", storage.getBlocklight().getData());