events: add PluginMessage

This is for pluginhub plugins to send messages to each other, which is
currently difficult to do due to the plugins being in separate
classloaders.

Co-authored-by: jocopa3 <[email protected]>

runelite-client/src/main/java/net/runelite/client/events/PluginMessage.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2023, jocopa3
+ * Copyright (c) 2024, Adam <[email protected]>
+ * 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.client.events;
+
+import java.util.Collections;
+import java.util.Map;
+import lombok.NonNull;
+import lombok.Value;
+
+/**
+ * An event pluginhub plugins can use to send data to each other.
+ */
+@Value
+public class PluginMessage
+{
+	/**
+	 * Event namespace. This should usually be a unique string representing your plugin name eg. "tombs-of-amascut"
+	 */
+	String namespace;
+	/**
+	 * Event name. This should represent what the event is for, eg "points".
+	 */
+	String name;
+	/**
+	 * Event data.
+	 */
+	Map<String, Object> data;
+
+	public PluginMessage(@NonNull String namespace, @NonNull String name)
+	{
+		this(namespace, name, Collections.emptyMap());
+	}
+
+	public PluginMessage(@NonNull String namespace, @NonNull String name, @NonNull Map<String, Object> data)
+	{
+		this.namespace = namespace;
+		this.name = name;
+		this.data = data;
+	}
+}