R3944Realms/ModernFix
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Shorten structure hashes to fix issues on Windows

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embeddedt 2023-05-10 09:54:14 -04:00
parent 03abdfdc49
commit bcb33a1018
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GPG Key ID: A69433EC199B5613
1 changed files with 15 additions and 7 deletions
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22
common/src/main/java/org/embeddedt/modernfix/structure/CachingStructureManager.java
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@ -49,6 +49,12 @@ public class CachingStructureManager {
private static final Set<String> laggyStructureMods = new ObjectOpenHashSet<>(); private static final Set<String> laggyStructureMods = new ObjectOpenHashSet<>();
private static final int MAX_HASH_LENGTH = 9;
private static String truncateHash(String hash) {
return hash.substring(0, MAX_HASH_LENGTH + 1);
}
public static CompoundTag readStructureTag(ResourceLocation location, DataFixer datafixer, InputStream stream) throws IOException { public static CompoundTag readStructureTag(ResourceLocation location, DataFixer datafixer, InputStream stream) throws IOException {
byte[] structureBytes = toBytes(stream); byte[] structureBytes = toBytes(stream);
CompoundTag currentTag = NbtIo.readCompressed(new ByteArrayInputStream(structureBytes)); CompoundTag currentTag = NbtIo.readCompressed(new ByteArrayInputStream(structureBytes));
@ -57,20 +63,22 @@ public class CachingStructureManager {
} }
int currentDataVersion = currentTag.getInt("DataVersion"); int currentDataVersion = currentTag.getInt("DataVersion");
if(currentDataVersion < SharedConstants.getCurrentVersion().getWorldVersion()) { if(currentDataVersion < SharedConstants.getCurrentVersion().getWorldVersion()) {
synchronized (laggyStructureMods) {
if(laggyStructureMods.add(location.getNamespace())) {
ModernFix.LOGGER.warn("Mod {} is shipping outdated structure files, which can cause worldgen lag; please report this to them.", location.getNamespace());
}
}
/* Needs upgrade, try looking up from cache */ /* Needs upgrade, try looking up from cache */
MessageDigest hasher = digestThreadLocal.get(); MessageDigest hasher = digestThreadLocal.get();
hasher.reset(); hasher.reset();
String hash = encodeHex(hasher.digest(structureBytes)); String hash = encodeHex(hasher.digest(structureBytes));
CompoundTag cachedUpgraded = getCachedUpgraded(location, hash); CompoundTag cachedUpgraded = getCachedUpgraded(location, truncateHash(hash));
if(cachedUpgraded == null)
cachedUpgraded = getCachedUpgraded(location, hash); /* pick up old cache */
if(cachedUpgraded != null && cachedUpgraded.getInt("DataVersion") == SharedConstants.getCurrentVersion().getWorldVersion()) { if(cachedUpgraded != null && cachedUpgraded.getInt("DataVersion") == SharedConstants.getCurrentVersion().getWorldVersion()) {
ModernFix.LOGGER.debug("Using cached upgraded version of {}", location); ModernFix.LOGGER.debug("Using cached upgraded version of {}", location);
currentTag = cachedUpgraded; currentTag = cachedUpgraded;
} else { } else {
synchronized (laggyStructureMods) {
if(laggyStructureMods.add(location.getNamespace())) {
ModernFix.LOGGER.warn("Mod {} is shipping outdated structure files, which can cause worldgen lag; please report this to them.", location.getNamespace());
}
}
ModernFix.LOGGER.debug("Structure {} is being run through DFU (hash {}), this will cause launch time delays", location, hash); ModernFix.LOGGER.debug("Structure {} is being run through DFU (hash {}), this will cause launch time delays", location, hash);
currentTag = NbtUtils.update(datafixer, DataFixTypes.STRUCTURE, currentTag, currentDataVersion, currentTag = NbtUtils.update(datafixer, DataFixTypes.STRUCTURE, currentTag, currentDataVersion,
SharedConstants.getCurrentVersion().getWorldVersion()); SharedConstants.getCurrentVersion().getWorldVersion());
@ -99,7 +107,7 @@ public class CachingStructureManager {
} }
private static synchronized void saveCachedUpgraded(ResourceLocation location, String hash, CompoundTag tagToSave) { private static synchronized void saveCachedUpgraded(ResourceLocation location, String hash, CompoundTag tagToSave) {
File theFile = getCachePath(location, hash); File theFile = getCachePath(location, truncateHash(hash));
try { try {
NbtIo.writeCompressed(tagToSave, theFile); NbtIo.writeCompressed(tagToSave, theFile);
} catch(IOException e) { } catch(IOException e) {