Add player index to api

runelite-api/src/main/java/net/runelite/api/Player.java

@@ -40,4 +40,6 @@ public interface Player extends Actor
 	boolean isClanMember();
 
 	boolean isFriend();
+
+	int getIndex();
 }

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

@@ -84,6 +84,7 @@ import net.runelite.rs.api.RSIndexedSprite;
 import net.runelite.rs.api.RSItemContainer;
 import net.runelite.rs.api.RSNPC;
 import net.runelite.rs.api.RSName;
+import net.runelite.rs.api.RSPlayer;
 import net.runelite.rs.api.RSWidget;
 
 @Mixin(RSClient.class)
@@ -616,6 +617,23 @@ public abstract class RSClientMixin implements RSClient
 		}
 	}
 
+	@FieldHook("cachedPlayers")
+	@Inject
+	public static void cachedPlayersChanged(int idx)
+	{
+		RSPlayer[] cachedPlayers = client.getCachedPlayers();
+		if (idx < 0 || idx >= cachedPlayers.length)
+		{
+			return;
+		}
+
+		RSPlayer player = cachedPlayers[idx];
+		if (player != null)
+		{
+			player.setIndex(idx);
+		}
+	}
+
 	@Inject
 	@FieldHook("grandExchangeOffers")
 	public static void onGrandExchangeOffersChanged(int idx)

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

@@ -45,6 +45,9 @@ public abstract class RSPlayerMixin implements RSPlayer
 	@Shadow("clientInstance")
 	private static RSClient client;
 
+	@Inject
+	private int playerIndex;
+
 	@Inject
 	@Override
 	public String getName()
@@ -141,4 +144,18 @@ public abstract class RSPlayerMixin implements RSPlayer
 		}
 		return rotatedTriangles;
 	}
+
+	@Inject
+	@Override
+	public int getIndex()
+	{
+		return playerIndex;
+	}
+
+	@Inject
+	@Override
+	public void setIndex(int index)
+	{
+		this.playerIndex = index;
+	}
 }

runescape-api/src/main/java/net/runelite/rs/api/RSPlayer.java

@@ -54,4 +54,9 @@ public interface RSPlayer extends RSActor, Player
 	@Import("isFriend")
 	@Override
 	boolean isFriend();
+
+	@Override
+	int getIndex();
+
+	void setIndex(int id);
 }