From 35b7c80e0ba876649c606d5d047fcb59754372ea Mon Sep 17 00:00:00 2001
From: SignpostMarv
Date: Tue, 31 Jul 2012 14:45:23 +0100
Subject: implementing osDropAttachment & osDropAttachmentAt

---
 .../Avatar/Attachments/AttachmentsModule.cs        | 11 +++++++-
 .../Framework/Interfaces/IAttachmentsModule.cs     |  9 ++++++
 .../Shared/Api/Implementation/OSSL_Api.cs          | 33 ++++++++++++++++++++--
 .../ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs | 12 ++++++++
 .../ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs   | 10 +++++++
 5 files changed, 72 insertions(+), 3 deletions(-)

diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
index 130c869..2a513e9 100644
--- a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
@@ -407,6 +407,11 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
 
         public void DetachSingleAttachmentToGround(IScenePresence sp, uint soLocalId)
         {
+            DetachSingleAttachmentToGround(sp, soLocalId, sp.AbsolutePosition, Quaternion.Identity);
+        }
+
+        public void DetachSingleAttachmentToGround(IScenePresence sp, uint soLocalId, Vector3 absolutePos, Quaternion absoluteRot)
+        {
             if (!Enabled)
                 return;
 
@@ -448,7 +453,11 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
                 so.FromItemID = UUID.Zero;
 
                 SceneObjectPart rootPart = so.RootPart;
-                so.AbsolutePosition = sp.AbsolutePosition;
+                so.AbsolutePosition = absolutePos;
+                if (absoluteRot != Quaternion.Identity)
+                {
+                    so.UpdateGroupRotationR(absoluteRot);
+                }
                 so.AttachedAvatar = UUID.Zero;
                 rootPart.SetParentLocalId(0);
                 so.ClearPartAttachmentData();
diff --git a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
index 8155eab..620ec22 100644
--- a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
@@ -109,6 +109,15 @@ namespace OpenSim.Region.Framework.Interfaces
         void DetachSingleAttachmentToGround(IScenePresence sp, uint objectLocalID);
 
         /// <summary>
+        /// Detach the given item to the ground at the specified coordinates & rotation
+        /// </summary>
+        /// <param name="sp"></param>
+        /// <param name="objectLocalID"></param>
+        /// <param name="absolutePos"></param>
+        /// <param name="absoluteRot"></param>
+        void DetachSingleAttachmentToGround(IScenePresence sp, uint objectLocalID, Vector3 absolutePos, Quaternion absoluteRot);
+
+        /// <summary>
         /// Detach the given attachment so that it remains in the user's inventory.
         /// </summary>
         /// <param name="sp">/param>
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index 8b73cd9..fec8a67 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -3549,6 +3549,35 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (m_UrlModule != null)
                 m_UrlModule.HttpContentType(new UUID(id),type);
         }
-        
-   }
+
+        public void osDropAttachment()
+        {
+            CheckThreatLevel(ThreatLevel.Moderate, "osDropAttachment");
+            m_host.AddScriptLPS(1);
+
+            IAttachmentsModule attachmentsModule = m_ScriptEngine.World.AttachmentsModule;
+            ScenePresence sp = attachmentsModule == null ? null : m_host.ParentGroup.Scene.GetScenePresence(m_host.ParentGroup.OwnerID);
+
+            if (attachmentsModule != null && sp != null)
+            {
+                attachmentsModule.DetachSingleAttachmentToGround(sp, m_host.ParentGroup.LocalId);
+            }
+        }
+
+        public void osDropAttachmentAt(LSL_Vector pos, LSL_Rotation rot)
+        {
+            CheckThreatLevel(ThreatLevel.Moderate, "osDropAttachment");
+            m_host.AddScriptLPS(1);
+
+            IAttachmentsModule attachmentsModule = m_ScriptEngine.World.AttachmentsModule;
+            ScenePresence sp = attachmentsModule == null ? null : m_host.ParentGroup.Scene.GetScenePresence(m_host.ParentGroup.OwnerID);
+
+            if (attachmentsModule != null && sp != null)
+            {
+                Vector3 omvPos = new Vector3((float)pos.x, (float)pos.y, (float)pos.z);
+                Quaternion omvRot = LSL_Api.Rot2Quaternion(rot);
+                attachmentsModule.DetachSingleAttachmentToGround(sp, m_host.ParentGroup.LocalId, omvPos, omvRot);
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
index 3985e66..e28473d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
@@ -394,5 +394,17 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         /// </summary>
         /// <returns></returns>
         void osSetContentType(LSL_Key id, string type);
+
+        /// <summary>
+        /// Attempts to drop an attachment to the ground
+        /// </summary>
+        void osDropAttachment();
+
+        /// <summary>
+        /// Attempts to drop an attachment at the specified coordinates.
+        /// </summary>
+        /// <param name="pos"></param>
+        /// <param name="rot"></param>
+        void osDropAttachmentAt(vector pos, rotation rot);
     }
 }
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
index 52ca3da..bae5594 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
@@ -972,5 +972,15 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         {
             m_OSSL_Functions.osSetContentType(id,type);
         }
+
+        public void osDropAttachment()
+        {
+            m_OSSL_Functions.osDropAttachment();
+        }
+
+        public void osDropAttachmentAt(vector pos, rotation rot)
+        {
+            m_OSSL_Functions.osDropAttachmentAt(pos, rot);
+        }
     }
 }
-- 
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