* A bit of spice from here, a pinch of salt from there, some brains that attracts zombies.. a recipe for llRezObject

* Original patch by YZh Thanks YZH!!!!
* object_rez event patch by Melanie, Thanks Melanie!!!
* Some fixups, some missing things(velocity,rotation)
* script delay
* Recoil
* Standard error messages
* Standard silent failures
* Easter egg management

CONTRIBUTORS.txt

@@ -54,6 +54,7 @@ Patches
 * Melanie Thielker
 * John R Sohn(XenReborn)
 * Xantor
+* YZh
 
 
 LSL Devs

OpenSim/Region/Environment/Scenes/Scene.Inventory.cs

@@ -1354,6 +1354,68 @@ namespace OpenSim.Region.Environment.Scenes
             return null;
         }
 
+        public virtual SceneObjectGroup RezObject(TaskInventoryItem item, LLVector3 pos, LLQuaternion rot, LLVector3 vel, int param)
+        {
+            // Rez object
+            if (item != null)
+            {
+                LLUUID ownerID = item.OwnerID;
+
+                if (!PermissionsMngr.CanRezObject(ownerID, pos))
+                {
+                    return null;
+                }
+
+                AssetBase rezAsset = AssetCache.GetAsset(item.AssetID, false);
+
+                if (rezAsset != null)
+                {
+                    string xmlData = Helpers.FieldToUTF8String(rezAsset.Data);
+                    SceneObjectGroup group = new SceneObjectGroup(this, m_regionHandle, xmlData);
+                    group.ResetIDs();
+                    AddEntity(group);
+
+                    // we set it's position in world.
+                    group.AbsolutePosition = pos;
+
+                    SceneObjectPart rootPart = group.GetChildPart(group.UUID);
+
+                    // Since renaming the item in the inventory does not affect the name stored
+                    // in the serialization, transfer the correct name from the inventory to the
+                    // object itself before we rez.
+                    rootPart.Name = item.Name;
+                    rootPart.Description = item.Description;
+
+                    List<SceneObjectPart> partList = new List<SceneObjectPart>(group.Children.Values);
+                    foreach (SceneObjectPart part in partList)
+                    {
+                        if (part.OwnerID != item.OwnerID)
+                        {
+                            part.LastOwnerID = part.OwnerID;
+                            part.OwnerID = item.OwnerID;
+                            part.EveryoneMask = item.EveryoneMask;
+                            part.BaseMask = item.BaseMask;
+                            part.OwnerMask = item.OwnerMask;
+                            part.NextOwnerMask = item.NextOwnerMask;
+                            part.ChangeInventoryOwner(item.OwnerID);
+                        }
+                    }
+                    rootPart.TrimPermissions();
+                    if (group.RootPart.Shape.PCode == (byte)PCode.Prim)
+                    {
+                        group.ClearPartAttachmentData();
+                    }
+                    group.UpdateGroupRotation(rot);
+                    group.ApplyPhysics(m_physicalPrim);
+                    group.Velocity = vel;
+                    group.StartScripts();
+                    rootPart.ScheduleFullUpdate();
+                    return rootPart.ParentGroup;
+                }
+
+            }
+            return null;
+        }
         
     }
 }

OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs

@@ -2526,5 +2526,17 @@ namespace OpenSim.Region.Environment.Scenes
                 }
             }
         }
+        public float GetMass()
+        {
+            float retmass = 0f;
+            lock (m_parts)
+            {
+                foreach (SceneObjectPart part in m_parts.Values)
+                {
+                    retmass += part.GetMass();
+                }
+            }
+            return retmass;
+        }
     }
 }

OpenSim/Region/ScriptEngine/Common/BuiltIn_Commands_BaseClass.cs

@@ -697,9 +697,9 @@ namespace OpenSim.Region.ScriptEngine.Common
             m_LSL_Functions.llMakeFire();
         }
 
-        public void llRezObject(string inventory, vector pos, rotation rot, int param)
+        public void llRezObject(string inventory, vector pos, vector vel, rotation rot, int param)
         {
-            m_LSL_Functions.llRezObject(inventory, pos, rot, param);
+            m_LSL_Functions.llRezObject(inventory, pos, vel, rot, param);
         }
 
         public void llLookAt(vector target, double strength, double damping)

OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs

@@ -1839,10 +1839,62 @@ namespace OpenSim.Region.ScriptEngine.Common
             NotImplemented("llMakeFire");
         }
 
-        public void llRezObject(string inventory, LSL_Types.Vector3 pos, LSL_Types.Quaternion rot, int param)
+        public void llRezObject(string inventory, LSL_Types.Vector3 pos, LSL_Types.Vector3 vel, LSL_Types.Quaternion rot, int param)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llRezObject");
+            //NotImplemented("llRezObject");
+            bool found = false;
+
+            // Instead of using return;, I'm using continue; because in our TaskInventory implementation
+            // it's possible to have two items with the same task inventory name.
+            // this is an easter egg of sorts.
+
+            foreach (KeyValuePair<LLUUID, TaskInventoryItem> inv in m_host.TaskInventory)
+            {
+                if (inv.Value.Name == inventory)
+                {
+                    // make sure we're an object.
+                    if (inv.Value.InvType != (int)InventoryType.Object)
+                    {
+                        llSay(0, "Unable to create requested object. Object is missing from database.");
+                        continue;
+                    }
+
+                    LLVector3 llpos = new LLVector3((float)pos.x, (float)pos.y, (float)pos.z);
+
+                    // test if we're further away then 10m
+                    if (Util.GetDistanceTo(llpos, m_host.AbsolutePosition) > 10)
+                        return; // wiki says, if it's further away then 10m, silently fail.
+
+                    LLVector3 llvel = new LLVector3((float)vel.x, (float)vel.y, (float)vel.z);
+                    
+                    // need the magnitude later
+                    float velmag = (float)Util.GetMagnitude(llvel);
+                    
+                    SceneObjectGroup new_group = World.RezObject(inv.Value, llpos, new LLQuaternion((float)rot.x, (float)rot.y, (float)rot.z, (float)rot.s), llvel, param);
+                    
+                    // If either of these are null, then there was an unknown error.
+                    if (new_group == null)
+                        continue;
+                    if (new_group.RootPart == null)
+                        continue;
+
+                    // objects rezzed with this method are die_at_edge by default.
+                    new_group.RootPart.SetDieAtEdge(true);
+
+                    m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(m_localID, m_itemID, "object_rez", EventQueueManager.llDetectNull, new Object[] { new LSL_Types.LSLString(new_group.RootPart.UUID.ToString()) });
+                    float groupmass = new_group.GetMass();
+
+                    //Recoil.
+                    llApplyImpulse(new LSL_Types.Vector3(llvel.X * groupmass, llvel.Y * groupmass, llvel.Z * groupmass), 0);
+                    found = true;
+                    //script delay
+                    System.Threading.Thread.Sleep((int)((groupmass * velmag) / 10));
+                    break;
+                }
+            }
+            if (!found)
+                llSay(0, "Could not find object " + inventory);
         }
 
         public void llLookAt(LSL_Types.Vector3 target, double strength, double damping)

OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands_Interface.cs

@@ -190,7 +190,7 @@ namespace OpenSim.Region.ScriptEngine.Common
         //wiki: (deprecated)
         void llMakeFire();
         //wiki: llRezObject(string inventory, vector pos, vector rel, rotation rot, integer param)
-        void llRezObject(string inventory, LSL_Types.Vector3 pos, LSL_Types.Quaternion rot, int param);
+        void llRezObject(string inventory, LSL_Types.Vector3 pos, LSL_Types.Vector3 vel, LSL_Types.Quaternion rot, int param);
         //wiki: llLookAt(vector target, double strength, double damping)
         void llLookAt(LSL_Types.Vector3 target, double strength, double damping);
         //wiki: llStopLookAt()