From 873d42005fed47ba6e7c9bc2184e33f496ff9ce7 Mon Sep 17 00:00:00 2001
From: UbitUmarov
Date: Tue, 14 Nov 2017 03:49:32 +0000
Subject:  add AGENT_LIST_EXCLUDENPC bit mask option to llGetAgentList scope to
 exclude NPCs

---
 .../Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs   | 10 ++++++++++
 .../Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs    |  1 +
 2 files changed, 11 insertions(+)

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index fa32986..d36d9a0 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -6639,11 +6639,18 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         /// AGENT_LIST_PARCEL - all in the same parcel as the scripted object
         /// AGENT_LIST_PARCEL_OWNER - all in any parcel owned by the owner of the
         /// current parcel.
+        /// AGENT_LIST_EXCLUDENPC ignore NPCs (bit mask)
         /// </summary>
         public LSL_List llGetAgentList(LSL_Integer scope, LSL_List options)
         {
             m_host.AddScriptLPS(1);
 
+            // do our bit masks part
+            bool noNPC = (scope & ScriptBaseClass.AGENT_LIST_EXCLUDENPC) !=0;
+
+            // remove bit masks part
+            scope &= ~ ScriptBaseClass.AGENT_LIST_EXCLUDENPC;
+
             // the constants are 1, 2 and 4 so bits are being set, but you
             // get an error "INVALID_SCOPE" if it is anything but 1, 2 and 4
             bool regionWide = scope == ScriptBaseClass.AGENT_LIST_REGION;
@@ -6684,6 +6691,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             World.ForEachRootScenePresence(
                 delegate (ScenePresence ssp)
                 {
+                    if(noNPC && ssp.IsNPC)
+                        return;
+
                     // Gods are not listed in SL
                     if (!ssp.IsDeleted && !ssp.IsViewerUIGod && !ssp.IsChildAgent)
                     {
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
index e4c1ca0..2f249a7 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
@@ -660,6 +660,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         public const int AGENT_LIST_PARCEL = 1;
         public const int AGENT_LIST_PARCEL_OWNER = 2;
         public const int AGENT_LIST_REGION = 4;
+        public const int AGENT_LIST_EXCLUDENPC = 0x4000000; // our flag, not SL and it is a bit mask
 
         // Can not be public const?
         public static readonly vector ZERO_VECTOR = new vector(0.0, 0.0, 0.0);
-- 
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