Initial replay testing attempt

build.gradle.kts

@@ -45,6 +45,7 @@ dependencies {
     // Junit Testing Framework
     testImplementation(libs.junit.api)
     testImplementation(libs.junit.params)
+    testImplementation("com.github.ReplayMod:ReplayStudio:70f59efaa3")
     testRuntimeOnly(libs.junit.engine)
     // Only here to ensure J9 module support for extensions and our classloaders
     testCompileOnly(libs.mockito.core)

src/test/java/net/minestom/server/extra/ac/AntiCheatTest.java

@@ -0,0 +1,14 @@
+package net.minestom.server.extra.ac;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+
+public class AntiCheatTest extends UtilsAC {
+
+    @Test
+    public void test() throws URISyntaxException, IOException {
+        retrieveReplay("replay_demo.mcpr");
+    }
+}

src/test/java/net/minestom/server/extra/ac/UtilsAC.java

@@ -0,0 +1,69 @@
+package net.minestom.server.extra.ac;
+
+import com.google.gson.JsonObject;
+import com.replaymod.replaystudio.PacketData;
+import com.replaymod.replaystudio.Studio;
+import com.replaymod.replaystudio.filter.StreamFilter;
+import com.replaymod.replaystudio.lib.viaversion.api.protocol.packet.State;
+import com.replaymod.replaystudio.lib.viaversion.api.protocol.version.ProtocolVersion;
+import com.replaymod.replaystudio.protocol.PacketTypeRegistry;
+import com.replaymod.replaystudio.replay.ReplayFile;
+import com.replaymod.replaystudio.replay.ZipReplayFile;
+import com.replaymod.replaystudio.stream.PacketStream;
+import com.replaymod.replaystudio.studio.ReplayStudio;
+import net.minestom.server.MinecraftServer;
+
+import java.io.File;
+
+public class UtilsAC {
+
+    private static final ReplayStudio STUDIO = new ReplayStudio();
+
+    void retrieveReplay(String name) {
+        try {
+            final File dir = new File(ClassLoader.getSystemResource(name).toURI());
+            final ReplayFile replayFile = new ZipReplayFile(STUDIO, dir);
+
+            final PacketTypeRegistry registry = PacketTypeRegistry.get(ProtocolVersion.getProtocol(MinecraftServer.PROTOCOL_VERSION), State.PLAY);
+            PacketStream stream = replayFile.getPacketData(registry).asPacketStream();
+            stream.start();
+            stream.addFilter(new ProgressFilter()); // Required for some reason
+
+            int count = 0;
+            PacketData packetData;
+            while ((packetData = stream.next()) != null) {
+                // TODO how to retrieve server-bound packets?
+                System.out.println("packet " + packetData.getPacket().getType() + " - " + packetData.getTime());
+                if (count++ >= 10) break;
+            }
+
+            stream.end();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static final class ProgressFilter implements StreamFilter {
+        @Override
+        public String getName() {
+            return "progress";
+        }
+
+        @Override
+        public void init(Studio studio, JsonObject config) {
+        }
+
+        @Override
+        public void onStart(PacketStream stream) {
+        }
+
+        @Override
+        public boolean onPacket(PacketStream stream, PacketData data) {
+            return true;
+        }
+
+        @Override
+        public void onEnd(PacketStream stream, long timestamp) {
+        }
+    }
+}