Mantis#1971. Thank you kindly, BlueWall for a patch that:

The included patch enable handling for PRIM_FULLBRIGHT in 
llSetPrimitiveParams().

1 files changed, 40 insertions, 2 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 410921a..a1d2446 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -1088,7 +1088,32 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 return;
             }
         }
-                
+                   
+                public void SetFullBright(SceneObjectPart part, int face, bool bright) 
+                {
+                        LLObject.TextureEntry tex = part.Shape.Textures;
+             if (face > -1)
+             {
+                                tex.CreateFace((uint) face);
+                                tex.FaceTextures[face].Fullbright = bright;
+                                part.UpdateTexture(tex);
+                                return;
+                        }
+                        else if (face == -1)
+                        {
+                 for (uint i = 0; i < 32; i++)
+                 {
+                     if (tex.FaceTextures[i] != null)
+                     {
+                                                tex.FaceTextures[i].Fullbright = bright;
+                                        }       
+                                }
+                                tex.DefaultTexture.Fullbright = bright;
+                 part.UpdateTexture(tex);
+                 return;
+                        }
+                }
+                        
         public double llGetAlpha(int face)
         {
             m_host.AddScriptLPS(1);
@@ -5498,7 +5523,20 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                         SetShiny(part, face, shiny, bump);
                         
                         break;
-                    }
+                                         case (int)ScriptBaseClass.PRIM_FULLBRIGHT:
+                                                if (remain < 2)
+                                                        return;
+                                                face = Convert.ToInt32(rules.Data[idx++]);                                              
+                                                string bv = rules.Data[idx++].ToString();
+                                                bool st;
+                                                if(bv.Equals("1"))
+                                                        st = true;
+                                                else
+                                                        st = false;
+                                        
+                                                SetFullBright(part, face , st);
+                                                break;
+                                }
             }
         }