runelite-mixins: add mixin for processing game exceptions

runelite-mixins/src/main/java/net/runelite/mixins/ProcessClientErrorMixin.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2018, Lotto <https://github.com/devLotto>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.mixins;
+
+import net.runelite.api.mixins.Copy;
+import net.runelite.api.mixins.Mixin;
+import net.runelite.api.mixins.Replace;
+import net.runelite.rs.api.RSClient;
+import net.runelite.rs.api.RSRunException;
+
+@Mixin(RSClient.class)
+public abstract class ProcessClientErrorMixin implements RSClient
+{
+	@Copy("processClientError")
+	static void rs$processClientError(String string, Throwable throwable)
+	{
+		throw new RuntimeException();
+	}
+
+	@Replace("processClientError")
+	static void rl$processClientError(String string, Throwable throwable)
+	{
+		if (throwable != null)
+		{
+			Throwable throwableToScan = throwable;
+
+			if (throwable instanceof RSRunException)
+			{
+				throwableToScan = ((RSRunException) throwable).getParent();
+			}
+
+			throwableToScan.printStackTrace();
+
+			StackTraceElement[] stackTrace = throwableToScan.getStackTrace();
+
+			for (StackTraceElement stackTraceElement : stackTrace)
+			{
+				// If stack trace contains "runelite", don't send it
+				if (stackTraceElement.getClassName().contains("runelite"))
+				{
+					return;
+				}
+			}
+		}
+
+		rs$processClientError(string, throwable);
+	}
+}