R3944Realms/ModernFix
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Small classloader optimization

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embeddedt 2023-01-21 21:48:19 -05:00
parent 09ffb73a70
commit bbe5709070
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GPG Key ID: A69433EC199B5613
1 changed files with 17 additions and 10 deletions
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27
src/main/java/cpw/mods/modlauncher/ModernFixCachingClassTransformer.java
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@ -33,6 +33,7 @@ public class ModernFixCachingClassTransformer extends ClassTransformer {
private final File CLASS_CACHE_FOLDER = childFile(FMLPaths.GAMEDIR.get().resolve("modernfix").resolve("classCacheV1").toFile());
private final LaunchPluginHandler pluginHandler;
private final Map<String, ILaunchPluginService> plugins;
private final TransformStore transformStore;
private final TransformerAuditTrail auditTrail;
private final TransformingClassLoader transformingClassLoader;
@ -57,6 +58,9 @@ public class ModernFixCachingClassTransformer extends ClassTransformer {
/* Build a lookup table of all transformers for a given class */
this.transformersByClass = new HashMap<>();
try {
Field pluginsField = LaunchPluginHandler.class.getDeclaredField("plugins");
pluginsField.setAccessible(true);
this.plugins = (Map<String, ILaunchPluginService>)pluginsField.get(this.pluginHandler);
Field transformersByTypeField = TransformStore.class.getDeclaredField("transformers");
transformersByTypeField.setAccessible(true);
Field transformersMapField = TransformList.class.getDeclaredField("transformers");
@ -94,22 +98,25 @@ public class ModernFixCachingClassTransformer extends ClassTransformer {
}
final String internalName = className.replace('.', '/');
final Type classDesc = Type.getObjectType(internalName);
final EnumMap<ILaunchPluginService.Phase, List<ILaunchPluginService>> launchPluginTransformerSet = pluginHandler.computeLaunchPluginTransformerSet(classDesc, false, reason, this.auditTrail);
ArrayList<ILaunchPluginService> pluginList = new ArrayList<>();
for(ILaunchPluginService plugin : plugins.values()) {
if(!plugin.handlesClass(classDesc, inputClass.length == 0, reason).isEmpty()) {
pluginList.add(plugin);
}
}
final boolean needsTransforming = transformStore.needsTransforming(internalName);
if (!needsTransforming && launchPluginTransformerSet.isEmpty()) {
if (!needsTransforming && pluginList.isEmpty()) {
return inputClass;
}
/* Now compute the hash list for the required transformers */
ArrayList<byte[]> hashList = new ArrayList<>();
for(List<ILaunchPluginService> pluginList : launchPluginTransformerSet.values()) {
pluginList.sort((service1, service2) -> Comparator.<String>naturalOrder().compare(service1.name(), service2.name()));
for(ILaunchPluginService service : pluginList) {
byte[] hash = obtainHash(service, className);
if(hash == null) {
return super.transform(inputClass, className, reason);
}
hashList.add(hash);
pluginList.sort((service1, service2) -> Comparator.<String>naturalOrder().compare(service1.name(), service2.name()));
for(ILaunchPluginService service : pluginList) {
byte[] hash = obtainHash(service, className);
if(hash == null) {
return super.transform(inputClass, className, reason);
}
hashList.add(hash);
}
if(needsTransforming) {
List<ITransformer<?>> transformers = this.transformersByClass.get(internalName);