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don't read empty chunks

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This commit is contained in:
Leijurv 2018-08-05 10:06:20 -04:00
parent 54c79a3330
commit 3072142513
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GPG Key ID: 44A3EA646EADAC6A
1 changed files with 19 additions and 7 deletions
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26
src/main/java/baritone/bot/chunk/CachedRegion.java
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@ -53,10 +53,11 @@ public final class CachedRegion implements ICachedChunkAccess {
@Override
public final void updateCachedChunk(int chunkX, int chunkZ, BitSet data) {
CachedChunk chunk = this.getChunk(chunkX, chunkZ);
if (chunk == null)
if (chunk == null) {
this.chunks[chunkX][chunkZ] = new CachedChunk(chunkX, chunkZ, data);
else
} else {
chunk.updateContents(data);
}
}
private CachedChunk getChunk(int chunkX, int chunkZ) {
@ -99,6 +100,7 @@ public final class CachedRegion implements ICachedChunkAccess {
Path regionFile = getRegionFile(path, this.x, this.z);
if (!Files.exists(regionFile))
return;
byte[] decompressed;
try (FileInputStream in = new FileInputStream(regionFile.toFile())) {
decompressed = GZIPUtils.decompress(in);
@ -109,18 +111,28 @@ public final class CachedRegion implements ICachedChunkAccess {
for (int z = 0; z < 32; z++) {
for (int x = 0; x < 32; x++) {
CachedChunk chunk = this.chunks[x][z];
if (chunk != null) {
int index = (x + (z << 5)) * CachedChunk.SIZE_IN_BYTES;
byte[] bytes = Arrays.copyOfRange(decompressed, index, index + CachedChunk.SIZE_IN_BYTES);
int index = (x + (z << 5)) * CachedChunk.SIZE_IN_BYTES;
byte[] bytes = Arrays.copyOfRange(decompressed, index, index + CachedChunk.SIZE_IN_BYTES);
if (isAllZeros(bytes)) {
this.chunks[x][z] = null;
} else {
BitSet bits = BitSet.valueOf(bytes);
chunk.updateContents(bits);
updateCachedChunk(x, z, bits);
}
}
}
} catch (IOException ignored) {}
}
private static boolean isAllZeros(final byte[] array) {
for (byte b : array) {
if (b != 0) {
return false;
}
}
return true;
}
/**
* @return The region x coordinate
*/