From 5c2d4002352324d138979f0700d01a86a727a6be Mon Sep 17 00:00:00 2001
From: Justin Clarke Casey
Date: Thu, 23 Oct 2008 20:06:23 +0000
Subject: * Apply http://opensimulator.org/mantis/view.php?id=2459 * Implements
 the rest of llGetAgentInfo() with the exception of AGENT_BUSY. * Thanks nlin

---
 OpenSim/Region/Environment/Scenes/AnimationSet.cs  |  4 +++
 OpenSim/Region/Environment/Scenes/ScenePresence.cs |  5 +++
 .../Shared/Api/Implementation/LSL_Api.cs           | 42 ++++++++++++++++++----
 3 files changed, 44 insertions(+), 7 deletions(-)

diff --git a/OpenSim/Region/Environment/Scenes/AnimationSet.cs b/OpenSim/Region/Environment/Scenes/AnimationSet.cs
index 0b7188a..df25173 100644
--- a/OpenSim/Region/Environment/Scenes/AnimationSet.cs
+++ b/OpenSim/Region/Environment/Scenes/AnimationSet.cs
@@ -38,6 +38,10 @@ namespace OpenSim.Region.Environment.Scenes
         private Animation m_defaultAnimation = new Animation();
         private List<Animation> m_animations = new List<Animation>();
 
+        public Animation DefaultAnimation 
+        {
+            get { return m_defaultAnimation; } 
+        }
         public AnimationSet()
         {
             ResetDefaultAnimation();
diff --git a/OpenSim/Region/Environment/Scenes/ScenePresence.cs b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
index 321e164..f36e3aa 100644
--- a/OpenSim/Region/Environment/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
@@ -462,6 +462,11 @@ namespace OpenSim.Region.Environment.Scenes
             get { return m_knownChildRegions; }
         }
 
+        public AnimationSet Animations
+        {
+            get { return m_animations;  }
+        }
+
         #endregion
 
         #region Constructor(s)
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 060fde2..1462922 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -4628,10 +4628,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
         /// <summary>
         /// Not fully implemented yet. Still to do:-
-        /// AGENT_SITTING
-        /// AGENT_ON_OBJECT
-        /// AGENT_IN_AIR
-        /// AGENT_CROUCHING
         /// AGENT_BUSY
         /// Remove as they are done
         /// </summary>
@@ -4639,8 +4635,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         {
             m_host.AddScriptLPS(1);
 
-            // This is partial implementation.
-
             UUID key = new UUID();
             if (!UUID.TryParse(id, out key))
             {
@@ -4655,6 +4649,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 return 0;
             }
 
+            // note: in OpenSim, sitting seems to cancel AGENT_ALWAYS_RUN, unlike SL
             if (agent.SetAlwaysRun)
             {
                 flags |= ScriptBaseClass.AGENT_ALWAYS_RUN;
@@ -4670,6 +4665,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if ((agent.AgentControlFlags & (uint)AgentManager.ControlFlags.AGENT_CONTROL_FLY) != 0)
             {
                 flags |= ScriptBaseClass.AGENT_FLYING;
+                flags |= ScriptBaseClass.AGENT_IN_AIR; // flying always implies in-air, even if colliding with e.g. a wall
             }
 
             if ((agent.AgentControlFlags & (uint)AgentManager.ControlFlags.AGENT_CONTROL_AWAY) != 0)
@@ -4677,6 +4673,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 flags |= ScriptBaseClass.AGENT_AWAY;
             }
 
+            // seems to get unset, even if in mouselook, when avatar is sitting on a prim???
             if ((agent.AgentControlFlags & (uint)AgentManager.ControlFlags.AGENT_CONTROL_MOUSELOOK) != 0)
             {
                 flags |= ScriptBaseClass.AGENT_MOUSELOOK;
@@ -4688,12 +4685,43 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             }
 
             string agentMovementAnimation = agent.GetMovementAnimation();
+
+            if (agentMovementAnimation == "CROUCH")
+            {
+                flags |= ScriptBaseClass.AGENT_CROUCHING;
+            }
+
             if (agentMovementAnimation == "WALK" || agentMovementAnimation == "CROUCHWALK")  
             {
                 flags |= ScriptBaseClass.AGENT_WALKING;
             }
 
-            //NotImplemented("llGetAgentInfo");
+            // not colliding implies in air. Note: flying also implies in-air, even if colliding (see above)
+
+            // note: AGENT_IN_AIR and AGENT_WALKING seem to be mutually exclusive states in SL.
+
+            // note: this may need some tweaking when walking downhill. you "fall down" for a brief instant
+            // and don't collide when walking downhill, which instantly registers as in-air, briefly. should
+            // there be some minimum non-collision threshold time before claiming the avatar is in-air?
+            if ((flags & ScriptBaseClass.AGENT_WALKING) == 0 && 
+                agent.PhysicsActor != null && 
+                !agent.PhysicsActor.IsColliding)
+            {
+                    flags |= ScriptBaseClass.AGENT_IN_AIR;
+            }
+
+             if (agent.ParentID != 0)
+             {
+                 flags |= ScriptBaseClass.AGENT_ON_OBJECT;
+                 flags |= ScriptBaseClass.AGENT_SITTING;
+             }
+
+             if (agent.Animations.DefaultAnimation.AnimID == AnimationSet.Animations.AnimsUUID["SIT_GROUND_CONSTRAINED"])
+             {
+                 flags |= ScriptBaseClass.AGENT_SITTING;
+             }
+
+             //NotImplemented("llGetAgentInfo");
 
             return flags;
         }
-- 
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