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[ci skip] Add some helper methods to the ObfHelper util class (#6374)

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Dieser Commit ist enthalten in:
Jason Penilla 2021-08-14 03:06:17 -07:00
Ursprung f5dd603274
Commit 92222b3c9d
2 geänderte Dateien mit 70 neuen und 30 gelöschten Zeilen
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70
patches/server/Deobfuscate-stacktraces-in-log-messages-crash-report.patch
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@ -167,12 +167,14 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+
+import com.google.common.base.Charsets;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import com.mojang.datafixers.util.Pair;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Map;
+import java.util.Set;
+import net.fabricmc.mapping.tree.ClassDef;
+import net.fabricmc.mapping.tree.MethodDef;
+import net.fabricmc.mapping.tree.TinyMappingFactory;
@ -188,23 +190,75 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ public static final String MOJANG_PLUS_YARN_NAMESPACE = "mojang+yarn";
+ public static final String SPIGOT_NAMESPACE = "spigot";
+
+ private final @Nullable Map<String, ClassMapping> mappings;
+ private final @Nullable Map<String, ClassMapping> mappingsByObfName;
+ private final @Nullable Map<String, ClassMapping> mappingsByMojangName;
+
+ ObfHelper() {
+ this.mappings = loadMappingsIfPresent();
+ final @Nullable Set<ClassMapping> maps = loadMappingsIfPresent();
+ if (maps != null) {
+ this.mappingsByObfName = maps.stream().collect(ImmutableMap.toImmutableMap(ClassMapping::obfName, map -> map));
+ this.mappingsByMojangName = maps.stream().collect(ImmutableMap.toImmutableMap(ClassMapping::mojangName, map -> map));
+ } else {
+ this.mappingsByObfName = null;
+ this.mappingsByMojangName = null;
+ }
+ }
+
+ public @Nullable Map<String, ClassMapping> mappings() {
+ return this.mappings;
+ public @Nullable Map<String, ClassMapping> mappingsByObfName() {
+ return this.mappingsByObfName;
+ }
+
+ private static @Nullable Map<String, ClassMapping> loadMappingsIfPresent() {
+ public @Nullable Map<String, ClassMapping> mappingsByMojangName() {
+ return this.mappingsByMojangName;
+ }
+
+ /**
+ * Attempts to get the obf name for a given class by its Mojang name. Will
+ * return the input string if mappings are not present.
+ *
+ * @param fullyQualifiedMojangName fully qualified class name (dotted)
+ * @return mapped or original fully qualified (dotted) class name
+ */
+ public String reobfClassName(final String fullyQualifiedMojangName) {
+ if (this.mappingsByMojangName == null) {
+ return fullyQualifiedMojangName;
+ }
+
+ final ClassMapping map = this.mappingsByMojangName.get(fullyQualifiedMojangName);
+ if (map == null) {
+ return fullyQualifiedMojangName;
+ }
+
+ return map.obfName();
+ }
+
+ /**
+ * Attempts to get the Mojang name for a given class by its obf name. Will
+ * return the input string if mappings are not present.
+ *
+ * @param fullyQualifiedObfName fully qualified class name (dotted)
+ * @return mapped or original fully qualified (dotted) class name
+ */
+ public String deobfClassName(final String fullyQualifiedObfName) {
+ if (this.mappingsByObfName == null) {
+ return fullyQualifiedObfName;
+ }
+
+ final ClassMapping map = this.mappingsByObfName.get(fullyQualifiedObfName);
+ if (map == null) {
+ return fullyQualifiedObfName;
+ }
+
+ return map.mojangName();
+ }
+
+ private static @Nullable Set<ClassMapping> loadMappingsIfPresent() {
+ try (final @Nullable InputStream mappingsInputStream = StacktraceDeobfuscator.class.getClassLoader().getResourceAsStream("META-INF/mappings/reobf.tiny")) {
+ if (mappingsInputStream == null) {
+ return null;
+ }
+ final TinyTree tree = TinyMappingFactory.loadWithDetection(new BufferedReader(new InputStreamReader(mappingsInputStream, Charsets.UTF_8)));
+ final var builder = ImmutableMap.<String, ClassMapping>builder();
+ final var builder = ImmutableSet.<ClassMapping>builder();
+
+ for (final ClassDef classDef : tree.getClasses()) {
+ final String obfClassName = classDef.getName(SPIGOT_NAMESPACE).replace('/', '.');
@ -227,7 +281,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ classDef.getName(MOJANG_PLUS_YARN_NAMESPACE).replace('/', '.'),
+ methodMappings.build()
+ );
+ builder.put(map.obfName(), map);
+ builder.add(map);
+ }
+
+ return builder.build();
@ -307,7 +361,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ return traceElements;
+ }
+
+ final @Nullable Map<String, ObfHelper.ClassMapping> mappings = ObfHelper.INSTANCE.mappings();
+ final @Nullable Map<String, ObfHelper.ClassMapping> mappings = ObfHelper.INSTANCE.mappingsByObfName();
+ if (mappings == null || traceElements.length == 0) {
+ return traceElements;
+ }

30
patches/server/Rate-options-and-timings-for-sensors-and-behaviors.patch
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@ -130,17 +130,10 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
this.maxDuration = maxRunTime;
this.entryCondition = requiredMemoryState;
+ // Paper start - configurable behavior tick rate and timings
+ String key = this.getClass().getSimpleName();
+ final var mappings = io.papermc.paper.util.ObfHelper.INSTANCE.mappings();
+ if (mappings != null) {
+ final var classMapping = mappings.get(this.getClass().getName());
+ if (classMapping != null) {
+ key = classMapping.mojangName();
+ int lastSeparator = key.lastIndexOf('.');
+ if (lastSeparator != -1) {
+ key = key.substring(lastSeparator + 1);
+ }
+ }
+ String key = io.papermc.paper.util.ObfHelper.INSTANCE.deobfClassName(this.getClass().getName());
+ int lastSeparator = key.lastIndexOf('.');
+ if (lastSeparator != -1) {
+ key = key.substring(lastSeparator + 1);
+ }
+ this.configKey = key.toLowerCase(java.util.Locale.ROOT);
+ this.timing = co.aikar.timings.MinecraftTimings.getBehaviorTimings(configKey);
@ -197,17 +190,10 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
public Sensor(int senseInterval) {
+ // Paper start - configurable sensor tick rate and timings
+ String key = this.getClass().getSimpleName();
+ final var mappings = io.papermc.paper.util.ObfHelper.INSTANCE.mappings();
+ if (mappings != null) {
+ final var classMapping = mappings.get(this.getClass().getName());
+ if (classMapping != null) {
+ key = classMapping.mojangName();
+ int lastSeparator = key.lastIndexOf('.');
+ if (lastSeparator != -1) {
+ key = key.substring(lastSeparator + 1);
+ }
+ }
+ String key = io.papermc.paper.util.ObfHelper.INSTANCE.deobfClassName(this.getClass().getName());
+ int lastSeparator = key.lastIndexOf('.');
+ if (lastSeparator != -1) {
+ key = key.substring(lastSeparator + 1);
+ }
+ this.configKey = key.toLowerCase(java.util.Locale.ROOT);
+ this.timing = co.aikar.timings.MinecraftTimings.getSensorTimings(configKey, senseInterval);