Add world load event

runelite-api/src/main/java/net/runelite/api/events/WorldLoad.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2018, Adam <Adam@sigterm.info>
+ * 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.api.events;
+
+import lombok.Value;
+import net.runelite.api.World;
+
+/**
+ * Event when a world is loaded for the world switcher
+ */
+@Value
+public class WorldLoad
+{
+	private final World world;
+}

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

@@ -26,13 +26,20 @@ package net.runelite.mixins;
 
 import java.util.EnumSet;
 import net.runelite.api.WorldType;
+import net.runelite.api.events.WorldLoad;
+import net.runelite.api.mixins.FieldHook;
 import net.runelite.api.mixins.Inject;
 import net.runelite.api.mixins.Mixin;
+import net.runelite.api.mixins.Shadow;
+import net.runelite.rs.api.RSClient;
 import net.runelite.rs.api.RSWorld;
 
 @Mixin(RSWorld.class)
 public abstract class RSWorldMixin implements RSWorld
 {
+	@Shadow("clientInstance")
+	private static RSClient client;
+
 	@Inject
 	@Override
 	public EnumSet<WorldType> getTypes()
@@ -46,4 +53,13 @@ public abstract class RSWorldMixin implements RSWorld
 	{
 		setMask(WorldType.toMask(types));
 	}
+
+	@Inject
+	@FieldHook("playerCount")
+	public void playerCountChanged(int idx)
+	{
+		// playerCount is the last field updated
+		WorldLoad worldLoad = new WorldLoad(this);
+		client.getCallbacks().post(worldLoad);
+	}
 }