1 files changed, 33 insertions, 0 deletions
diff --git a/mod/src/main/java/moe/ymc/acron/mixin/MinecraftServerMixin.java b/mod/src/main/java/moe/ymc/acron/mixin/MinecraftServerMixin.java
new file mode 100644
index 0000000..cb813b4
--- /dev/null
+++ b/mod/src/main/java/moe/ymc/acron/mixin/MinecraftServerMixin.java
@@ -0,0 +1,33 @@
+package moe.ymc.acron.mixin;
+
+import moe.ymc.acron.s2c.EventQueue;
+import moe.ymc.acron.s2c.event.EventLagging;
+import net.minecraft.server.MinecraftServer;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(MinecraftServer.class)
+public class MinecraftServerMixin {
+    private static final Logger AC_LOGGER = LogManager.getLogger();
+
+    @Redirect(method = "runServer()V",
+            remap = false,
+            at = @At(value = "INVOKE",
+                    target = "Lorg/apache/logging/log4j/Logger;warn(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V"))
+    private void startServer(Logger instance, String s, Object o1, Object o2) {
+        instance.warn(s, o1, o2);
+        if (s.equals("Can't keep up! " +
+                "Is the server overloaded? " +
+                "Running {}ms or {} ticks behind") &&
+        o1 instanceof Long &&
+        o2 instanceof Long) {
+            AC_LOGGER.debug("Lag: {}ms, {} ticks",
+                    o1,
+                    o2);
+            EventQueue.enqueue(new EventLagging((long) o1, (long) o2));
+        }
+    }
+}