Patch from Mathias Soeken (thanks Mathias!) to take care of the color

and alpha argument of the llSetText command.

OpenSim/Framework/IClientAPI.cs

@@ -403,7 +403,7 @@ namespace OpenSim.Framework
         void AttachObject(uint localID, LLQuaternion rotation, byte attachPoint);
 
         void SendPrimitiveToClient(ulong regionHandle, ushort timeDilation, uint localID, PrimitiveBaseShape primShape,
-                                   LLVector3 pos, uint flags, LLUUID objectID, LLUUID ownerID, string text,
+                                   LLVector3 pos, uint flags, LLUUID objectID, LLUUID ownerID, string text, byte[] color,
                                    uint parentID, byte[] particleSystem, LLQuaternion rotation);
 
         void SendPrimTerseUpdate(ulong regionHandle, ushort timeDilation, uint localID, LLVector3 position,

OpenSim/Region/ClientStack/ClientView.API.cs

@@ -1023,7 +1023,7 @@ namespace OpenSim.Region.ClientStack
         public void SendPrimitiveToClient(
             ulong regionHandle, ushort timeDilation, uint localID, PrimitiveBaseShape primShape, LLVector3 pos,
             uint flags,
-            LLUUID objectID, LLUUID ownerID, string text, uint parentID, byte[] particleSystem, LLQuaternion rotation)
+            LLUUID objectID, LLUUID ownerID, string text, byte[] color, uint parentID, byte[] particleSystem, LLQuaternion rotation)
         {
             ObjectUpdatePacket outPacket = new ObjectUpdatePacket();
             outPacket.RegionData.RegionHandle = regionHandle;
@@ -1036,6 +1036,10 @@ namespace OpenSim.Region.ClientStack
             outPacket.ObjectData[0].FullID = objectID;
             outPacket.ObjectData[0].OwnerID = ownerID;
             outPacket.ObjectData[0].Text = Helpers.StringToField(text);
+            outPacket.ObjectData[0].TextColor[0] = color[0];
+            outPacket.ObjectData[0].TextColor[1] = color[1];
+            outPacket.ObjectData[0].TextColor[2] = color[2];
+            outPacket.ObjectData[0].TextColor[3] = color[3];
             outPacket.ObjectData[0].ParentID = parentID;
             outPacket.ObjectData[0].PSBlock = particleSystem;
             outPacket.ObjectData[0].ClickAction = 0;

OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs

@@ -37,6 +37,7 @@ using libsecondlife.Packets;
 using OpenSim.Framework;
 using OpenSim.Region.Environment.Interfaces;
 using OpenSim.Region.Physics.Manager;
+using System.Drawing;
 
 namespace OpenSim.Region.Environment.Scenes
 {
@@ -166,6 +167,12 @@ namespace OpenSim.Region.Environment.Scenes
             get { return m_rootPart.OwnerID; }
         }
 
+        public Color Color 
+        {
+            get { return m_rootPart.Color; }
+            set { m_rootPart.Color = value; }
+        }
+
         public string Text
         {
             get { return m_rootPart.Text; }
@@ -1417,6 +1424,10 @@ namespace OpenSim.Region.Environment.Scenes
 
         public override void SetText(string text, Vector3 color, double alpha)
         {
+            Color = Color.FromArgb (0xff - (int)(alpha * 0xff), 
+                                    (int)(color.x * 0xff), 
+                                    (int)(color.y * 0xff), 
+                                    (int)(color.z * 0xff));
             Text = text;
         }
     }

OpenSim/Region/Environment/Scenes/SceneObjectPart.cs

@@ -37,6 +37,7 @@ using OpenSim.Framework;
 using OpenSim.Region.Environment.Interfaces;
 using OpenSim.Region.Environment.Scenes.Scripting;
 using OpenSim.Region.Physics.Manager;
+using System.Drawing;
 
 namespace OpenSim.Region.Environment.Scenes
 {
@@ -303,6 +304,21 @@ namespace OpenSim.Region.Environment.Scenes
             set { m_description = value; }
         }
 
+        private Color m_color = Color.Black;
+
+        public Color Color 
+        {
+            get { return m_color; }
+            set 
+            {
+                m_color = value;
+                /* ScheduleFullUpdate() need not be called b/c after
+                 * setting the color, the text will be set, so then
+                 * ScheduleFullUpdate() will be called. */
+                //ScheduleFullUpdate();
+            }
+        }
+
         private string m_text = "";
 
         public string Text
@@ -1003,9 +1019,10 @@ namespace OpenSim.Region.Environment.Scenes
                 }
             }
 
+            byte[] color = new byte[] { m_color.R, m_color.G, m_color.B, m_color.A };
             remoteClient.SendPrimitiveToClient(m_regionHandle, 64096, LocalID, m_shape, lPos, clientFlags, m_uuid,
                                                OwnerID,
-                                               m_text, ParentID, m_particleSystem, lRot);
+                                               m_text, color, ParentID, m_particleSystem, lRot);
         }
 
         /// Terse updates
@@ -1092,6 +1109,10 @@ namespace OpenSim.Region.Environment.Scenes
 
         public void SetText(string text, Vector3 color, double alpha)
         {
+            Color = Color.FromArgb (0xff - (int)(alpha * 0xff),
+                                    (int)(color.x * 0xff),
+                                    (int)(color.y * 0xff),
+                                    (int)(color.z * 0xff));
             Text = text;
         }
 

OpenSim/Region/Examples/SimpleApp/MyNpcCharacter.cs

@@ -272,7 +272,7 @@ namespace SimpleApp
 
         public virtual void SendPrimitiveToClient(ulong regionHandle, ushort timeDilation, uint localID,
                                                   PrimitiveBaseShape primShape, LLVector3 pos, uint flags,
-                                                  LLUUID objectID, LLUUID ownerID, string text, uint parentID,
+                                                  LLUUID objectID, LLUUID ownerID, string text, byte[] color, uint parentID,
                                                   byte[] particleSystem, LLQuaternion rotation)
         {
         }