Ignore invalid entity data exceptions

These exceptions seem to be triggered in dungeons as a result of sending
invalid data in entity packets, and for some reason when the exceptions
are left unchecked they cause lag spikes.

1 files changed, 25 insertions, 0 deletions

diff --git a/src/main/java/de/hysky/skyblocker/mixin/DataTrackerMixin.java b/src/main/java/de/hysky/skyblocker/mixin/DataTrackerMixin.java
new file mode 100644
index 00000000..a5ab3b3e
--- /dev/null
+++ b/src/main/java/de/hysky/skyblocker/mixin/DataTrackerMixin.java
@@ -0,0 +1,25 @@
+package de.hysky.skyblocker.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+
+import de.hysky.skyblocker.utils.Utils;
+import net.minecraft.entity.data.DataTracker;
+
+@Mixin(DataTracker.class)
+public class DataTrackerMixin {
+
+	@WrapOperation(method = "writeUpdatedEntries", at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/data/DataTracker;copyToFrom(Lnet/minecraft/entity/data/DataTracker$Entry;Lnet/minecraft/entity/data/DataTracker$SerializedEntry;)V"))
+	public void skyblocker$ignoreInvalidDataExceptions(DataTracker dataTracker, DataTracker.Entry<?> to, DataTracker.SerializedEntry<?> from, Operation<Void> operation) {
+		if (Utils.isOnHypixel()) {
+			try {
+				operation.call(dataTracker, to, from);
+			} catch (IllegalStateException ignored) {} //These exceptions cause annoying small lag spikes for some reason
+		} else {
+			operation.call(dataTracker, to, from);
+		}
+	}
+}