R3944Realms/ModernFix
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Use CachedResourcePath in resource finder

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Reduces memory usage by ~50%
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embeddedt 2023-07-17 13:42:50 -04:00
parent 9fbb97d0fa
commit 5ec070843d
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GPG Key ID: A69433EC199B5613
2 changed files with 19 additions and 16 deletions
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2
common/src/main/java/org/embeddedt/modernfix/resources/CachedResourcePath.java
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@ -14,7 +14,7 @@ public class CachedResourcePath {
public static final Interner<String> PATH_COMPONENT_INTERNER = Interners.newStrongInterner();
private static final Splitter SLASH_SPLITTER = Splitter.on('/');
private static final String[] NO_PREFIX = new String[0];
public static final String[] NO_PREFIX = new String[0];
public CachedResourcePath(String[] prefix, Path path) {
this(prefix, path, path.getNameCount(), true);

33
forge/src/main/java/org/embeddedt/modernfix/forge/classloading/ModernFixResourceFinder.java
View File

@ -1,15 +1,21 @@
package org.embeddedt.modernfix.forge.classloading;
import com.google.common.base.Joiner;
import com.google.common.collect.*;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.Iterators;
import com.google.common.collect.Multimap;
import net.minecraftforge.fml.loading.FMLLoader;
import net.minecraftforge.fml.loading.LoadingModList;
import net.minecraftforge.fml.loading.moddiscovery.*;
import net.minecraftforge.fml.loading.moddiscovery.AbstractJarFileLocator;
import net.minecraftforge.fml.loading.moddiscovery.ExplodedDirectoryLocator;
import net.minecraftforge.fml.loading.moddiscovery.ModFile;
import net.minecraftforge.fml.loading.moddiscovery.ModFileInfo;
import net.minecraftforge.forgespi.locating.IModFile;
import net.minecraftforge.forgespi.locating.IModLocator;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.embeddedt.modernfix.resources.CachedResourcePath;
import org.embeddedt.modernfix.util.FileUtil;
import java.io.IOException;
import java.lang.reflect.Field;
@ -19,11 +25,10 @@ import java.nio.file.FileSystem;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.*;
import java.util.regex.Pattern;
import java.util.stream.Stream;
public class ModernFixResourceFinder {
private static Multimap<String, String> urlsForClass = null;
private static Multimap<CachedResourcePath, String> urlsForClass = null;
private static final Class<? extends IModLocator> MINECRAFT_LOCATOR;
private static Field explodedDirModsField = null;
private static final Logger LOGGER = LogManager.getLogger("ModernFixResourceFinder");
@ -36,11 +41,10 @@ public class ModernFixResourceFinder {
}
}
private static final Joiner SLASH_JOINER = Joiner.on('/');
public static synchronized void init() throws ReflectiveOperationException {
ImmutableMultimap.Builder<String, String> urlBuilder = ImmutableMultimap.builder();
Interner<String> pathInterner = Interners.newStrongInterner();
// Make sure FileUtil is classloaded now to avoid issues
FileUtil.normalize("");
ImmutableMultimap.Builder<CachedResourcePath, String> urlBuilder = ImmutableMultimap.builder();
//LOGGER.info("Start building list of class locations...");
for(ModFileInfo fileInfo : LoadingModList.get().getModFiles()) {
ModFile file = fileInfo.getFile();
@ -53,8 +57,8 @@ public class ModernFixResourceFinder {
stream
.map(root::relativize)
.forEach(path -> {
String strPath = pathInterner.intern(SLASH_JOINER.join(path));
urlBuilder.put(strPath, fileInfo.getMods().get(0).getModId());
CachedResourcePath p = new CachedResourcePath(CachedResourcePath.NO_PREFIX, path);
urlBuilder.put(p, fileInfo.getMods().get(0).getModId());
});
} catch(IOException e) {
throw new RuntimeException(e);
@ -87,12 +91,11 @@ public class ModernFixResourceFinder {
throw new UnsupportedOperationException("Unknown ModLocator type: " + locator.getClass().getName());
}
private static final Pattern SLASH_REPLACER = Pattern.compile("/+");
public static Enumeration<URL> findAllURLsForResource(String input) {
String pathInput = SLASH_REPLACER.matcher(input).replaceAll("/");
Collection<String> urlList = urlsForClass.get(pathInput);
// CachedResourcePath normalizes already
Collection<String> urlList = urlsForClass.get(new CachedResourcePath(input));
if(!urlList.isEmpty()) {
String pathInput = FileUtil.normalize(input);
return Iterators.asEnumeration(urlList.stream().map(modId -> {
try {
return new URL("modjar://" + modId + "/" + pathInput);