add ability to hide npc by index value - andrewterra

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

@@ -1616,6 +1616,20 @@ public interface Client extends GameShell
 	 */
 	void forciblyUnhideNpcName(String name);
 
+	/**
+	 * Get the list of NPC indices that are currently hidden
+	 *
+	 * @return all of the current hidden NPC Indices
+	 */
+	List<Integer> getHiddenNpcIndices();
+
+	/**
+	 * If an NPC index is in this List then do not render it
+	 *
+	 * @param npcIndices the npc indices to hide
+	 */
+	void setHiddenNpcIndices(List<Integer> npcIndices);
+
 	/**
 	 * Increments the counter for how many times this npc has been selected to be hidden on death
 	 *

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

@@ -88,6 +88,9 @@ public abstract class EntityHiderBridgeMixin implements RSClient
 	@Inject
 	public static Set<Integer> blacklistDeadNpcs = new HashSet<>();
 
+	@Inject
+	public static List<Integer> hiddenNpcIndices = new ArrayList<>();
+
 	@Inject
 	@Override
 	public void setIsHidingEntities(boolean state)
@@ -264,4 +267,18 @@ public abstract class EntityHiderBridgeMixin implements RSClient
 	{
 		hideDeadNPCs = state;
 	}
+
+	@Inject
+	@Override
+	public void setHiddenNpcIndices(List<Integer> npcIndices)
+	{
+		hiddenNpcIndices = npcIndices;
+	}
+
+	@Inject
+	@Override
+	public List<Integer> getHiddenNpcIndices()
+	{
+		return hiddenNpcIndices;
+	}
 }

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

@@ -99,6 +99,9 @@ public abstract class EntityHiderMixin implements RSScene
 	@Shadow("hideDeadNPCs")
 	private static boolean hideDeadNPCs;
 
+	@Shadow("hiddenNpcIndices")
+	private static List<Integer> hiddenNpcIndices;
+
 	@Copy("newGameObject")
 	@Replace("newGameObject")
 	boolean copy$addEntityMarker(int var1, int var2, int var3, int var4, int var5, int x, int y, int var8, RSRenderable entity, int var10, boolean var11, long var12, int var13)
@@ -213,6 +216,14 @@ public abstract class EntityHiderMixin implements RSScene
 				return false;
 			}
 
+			for (Integer index : hiddenNpcIndices)
+			{
+				if (index != null && npc.getIndex() == index)
+				{
+					return false;
+				}
+			}
+
 			return drawingUI ? !hideNPCs2D : !hideNPCs;
 		}
 		else if (entity instanceof RSProjectile)