player manager

core/standalone/build.gradle.kts

@@ -0,0 +1,9 @@
+dependencies {
+    compileOnly(project(":valiobungee-core"))
+
+}
+
+description = "ValioBungee standalone `offline` implementation"
+
+
+

core/standalone/src/main/java/net/limework/valiobungee/core/StandalonePlayerManager.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2026 ValioBungee contributors
+ *
+ * This file is part of ValioBungee.
+ *
+ * ValioBungee is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ValioBungee is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ValioBungee. If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+ */
+package net.limework.valiobungee.core;
+
+import java.util.Optional;
+import java.util.Set;
+import java.util.UUID;
+import net.limework.valiobungee.api.entity.NetworkPlayer;
+
+public class StandalonePlayerManager extends PlayerManager {
+
+  public StandalonePlayerManager(ValioBungeePlatform platform) {
+    super(platform);
+  }
+
+  @Override
+  public Optional<NetworkPlayer> getNetworkPlayer(UUID uuid) {
+    return platform.getLocalProxyPlayers().stream()
+        .filter(p -> p.getUniqueId().equals(uuid))
+        .findFirst();
+  }
+
+  @Override
+  public Set<NetworkPlayer> getNetworkPlayers() {
+    return platform.getLocalProxyPlayers();
+  }
+
+  @Override
+  public boolean isOnline(UUID uuid) {
+    return false;
+  }
+
+  @Override
+  public void handleJoin(UUID uuid) {}
+
+  @Override
+  public void handleQuit(UUID uuid) {}
+
+  @Override
+  public void correctionTask() {}
+}

core/standalone/src/main/java/net/limework/valiobungee/core/StandaloneProxyNetworkManager.java

@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2026 ValioBungee contributors
+ *
+ * This file is part of ValioBungee.
+ *
+ * ValioBungee is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ValioBungee is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ValioBungee. If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+ */
+package net.limework.valiobungee.core;
+
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.concurrent.atomic.AtomicBoolean;
+import net.limework.valiobungee.core.proto.messages.Death;
+import net.limework.valiobungee.core.proto.messages.DeathReason;
+import net.limework.valiobungee.core.proto.messages.Heartbeat;
+import net.limework.valiobungee.core.proto.messages.ProxyInfo;
+
+/** this class is used to debug the abstract class */
+public class StandaloneProxyNetworkManager extends ProxyNetworkManager {
+  public StandaloneProxyNetworkManager(ValioBungeePlatform platform) {
+    super(platform);
+  }
+
+  @Override
+  protected void publishDeathPayload() {}
+
+  @Override
+  protected void publishHeartbeatPayload() {}
+
+  private final AtomicBoolean shutdown = new AtomicBoolean(false);
+
+  private void makeFakeProxiesRunning() {
+    // fake 12 proxies
+    String fakePrefix = "fake-proxy-";
+    for (int i = 0; i < 6; i++) {
+      String prefix = fakePrefix + i;
+      Heartbeat heartbeat =
+          Heartbeat.newBuilder()
+              .setSender(ProxyInfo.newBuilder().setProxyId(prefix).build())
+              .setOnlinePlayersCount(i)
+              .build();
+      Thread.ofVirtual()
+          .start(
+              () -> {
+                while (!shutdown.get()) {
+                  handleProxyHeartBeat(heartbeat);
+                  try {
+                    Thread.sleep(1000);
+                  } catch (InterruptedException e) {
+                    throw new RuntimeException(e);
+                  }
+                }
+                handleProxyDeath(
+                    Death.newBuilder()
+                        .setReason(DeathReason.SHUTDOWN)
+                        .setSender(heartbeat.getSender())
+                        .build());
+              });
+    }
+  }
+
+  private void makeFakeProxiesDisappearing() {
+    // fake 12 proxies
+    String fakePrefix = "fake-disappear-proxy-";
+    for (int i = 0; i < 2; i++) {
+      String prefix = fakePrefix + i;
+      Heartbeat heartbeat =
+          Heartbeat.newBuilder()
+              .setSender(ProxyInfo.newBuilder().setProxyId(prefix).build())
+              .setOnlinePlayersCount(i)
+              .build();
+      handleProxyHeartBeat(heartbeat);
+    }
+  }
+
+  private void makeFakeProxiesShuttingDown() {
+    // fake 12 proxies
+    String fakePrefix = "fake-shutdown-proxy-";
+    for (int i = 0; i < 2; i++) {
+      String prefix = fakePrefix + i;
+      Heartbeat heartbeat =
+          Heartbeat.newBuilder()
+              .setSender(ProxyInfo.newBuilder().setProxyId(prefix).build())
+              .setOnlinePlayersCount(i)
+              .build();
+      Thread.ofVirtual()
+          .start(
+              () -> {
+                int li = 0;
+                int liMax = 60 + ThreadLocalRandom.current().nextInt(20);
+                while (!shutdown.get() && li <= liMax) {
+                  handleProxyHeartBeat(heartbeat);
+                  try {
+                    Thread.sleep(1000);
+                  } catch (InterruptedException e) {
+                    throw new RuntimeException(e);
+                  }
+                  li++;
+                }
+                handleProxyDeath(
+                    Death.newBuilder()
+                        .setReason(DeathReason.SHUTDOWN)
+                        .setSender(heartbeat.getSender())
+                        .build());
+              });
+    }
+  }
+
+  @Override
+  public void init() {
+    makeFakeProxiesRunning();
+    makeFakeProxiesDisappearing();
+    makeFakeProxiesShuttingDown();
+  }
+
+  @Override
+  public void close() {
+    shutdown.set(true);
+    try {
+      Thread.sleep(5000);
+    } catch (InterruptedException e) {
+
+    }
+  }
+}