Implement llGetPrimMediaParams()

Exposes method to get media entry via IMoapModule
As yet untested.

OpenSim/Region/CoreModules/World/Media/Moap/MoapModule.cs

@@ -51,7 +51,7 @@ using OSDMap = OpenMetaverse.StructuredData.OSDMap;
 namespace OpenSim.Region.CoreModules.Media.Moap
 {
     [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "MoapModule")]
-    public class MoapModule : INonSharedRegionModule
+    public class MoapModule : INonSharedRegionModule, IMoapModule
     {    
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
         
@@ -99,6 +99,21 @@ namespace OpenSim.Region.CoreModules.Media.Moap
                 "ObjectMediaNavigate", new RestStreamHandler("POST", "/CAPS/" + UUID.Random(), HandleObjectMediaNavigateMessage));
         }      
         
+        public MediaEntry GetMediaEntry(SceneObjectPart part, int face)
+        {
+            if (face < 0)
+                throw new ArgumentException("Face cannot be less than zero");
+            
+            List<MediaEntry> media = part.Shape.Media;           
+            
+            if (face > media.Count - 1)
+                throw new ArgumentException(
+                    string.Format("Face argument was {0} but max is {1}", face, media.Count - 1));
+            
+            // TODO: Really need a proper copy constructor down in libopenmetaverse
+            return MediaEntry.FromOSD(media[face].GetOSD());                        
+        }
+        
         /// <summary>
         /// Sets or gets per face media textures.
         /// </summary>

OpenSim/Region/Framework/Interfaces/IMoapModule.cs

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using OpenMetaverse;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    /// <summary>
+    /// Provides methods from manipulating media-on-a-prim
+    /// </summary>
+    public interface IMoapModule
+    {
+        /// <summary>
+        /// Get the media entry for a given prim face.
+        /// </summary>
+        /// <param name="part"></param>
+        /// <param name="face"></param>
+        /// <returns></returns>
+        MediaEntry GetMediaEntry(SceneObjectPart part, int face);        
+    }
+}

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs

@@ -7808,6 +7808,110 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             return res;
         }
 
+        public LSL_List llGetPrimMediaParams(int face, LSL_List rules)
+        {
+            m_host.AddScriptLPS(1);
+            ScriptSleep(1000);
+
+            // LSL Spec http://wiki.secondlife.com/wiki/LlGetPrimMediaParams says to fail silently if face is invalid
+            // TODO: Need to correctly handle case where a face has no media (which gives back an empty list).
+            // Assuming silently fail means give back an empty list.  Ideally, need to check this.
+            if (face < 0 || face > m_host.Shape.Media.Count - 1)
+                return new LSL_List();
+            
+            return GetLinkPrimMediaParams(face, rules);
+        }
+        
+        public LSL_List GetLinkPrimMediaParams(int face, LSL_List rules)
+        {
+            IMoapModule module = m_ScriptEngine.World.RequestModuleInterface<IMoapModule>();
+            if (null == module)
+                throw new Exception("Media on a prim functions not available");
+            
+            MediaEntry me = module.GetMediaEntry(m_host, face);
+            
+            LSL_List res = new LSL_List();
+
+            for (int i = 0; i < rules.Length; i++)
+            {
+                int code = (int)rules.GetLSLIntegerItem(i);
+                
+                switch (code)
+                {
+                    case ScriptBaseClass.PRIM_MEDIA_ALT_IMAGE_ENABLE:
+                        // Not implemented
+                        res.Add(new LSL_Integer(0));
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_CONTROLS:
+                        if (me.Controls == MediaControls.Standard)
+                            res.Add(new LSL_Integer(ScriptBaseClass.PRIM_MEDIA_CONTROLS_STANDARD));
+                        else
+                            res.Add(new LSL_Integer(ScriptBaseClass.PRIM_MEDIA_CONTROLS_MINI));
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_CURRENT_URL:
+                        res.Add(new LSL_String(me.CurrentURL));
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_HOME_URL:
+                        res.Add(new LSL_String(me.HomeURL));
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_AUTO_LOOP:
+                        res.Add(me.AutoLoop ? ScriptBaseClass.TRUE : ScriptBaseClass.FALSE);
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_AUTO_PLAY:
+                        res.Add(me.AutoPlay ? ScriptBaseClass.TRUE : ScriptBaseClass.FALSE);
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_AUTO_SCALE:
+                        res.Add(me.AutoScale ? ScriptBaseClass.TRUE : ScriptBaseClass.FALSE);
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_AUTO_ZOOM:
+                        res.Add(me.AutoZoom ? ScriptBaseClass.TRUE : ScriptBaseClass.FALSE);
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_FIRST_CLICK_INTERACT:
+                        res.Add(me.InteractOnFirstClick ? ScriptBaseClass.TRUE : ScriptBaseClass.FALSE);
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_WIDTH_PIXELS:
+                        res.Add(new LSL_Integer(me.Width));
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_HEIGHT_PIXELS:
+                        res.Add(new LSL_Integer(me.Height));
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_WHITELIST_ENABLE:
+                        res.Add(me.EnableWhiteList ? ScriptBaseClass.TRUE : ScriptBaseClass.FALSE);
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_WHITELIST:
+                        string[] urls = (string[])me.WhiteList.Clone();
+                    
+                        for (int j = 0; j < urls.Length; j++)
+                            urls[j] = Uri.EscapeDataString(urls[j]);
+                    
+                        res.Add(new LSL_String(string.Join(", ", urls)));
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_PERMS_INTERACT:
+                        res.Add(new LSL_Integer((int)me.InteractPermissions));
+                        break;
+                        
+                    case ScriptBaseClass.PRIM_MEDIA_PERMS_CONTROL:
+                        res.Add(new LSL_Integer((int)me.ControlPermissions));
+                        break;
+                }
+            }            
+            
+            return res;
+        }
+        
         //  <remarks>
         //  <para>
         //  The .NET definition of base 64 is:

OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs

@@ -518,6 +518,31 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         public static readonly vector TOUCH_INVALID_TEXCOORD = new vector(-1.0, -1.0, 0.0);
         public static readonly vector TOUCH_INVALID_VECTOR = ZERO_VECTOR;
         
+        // constants for llGetPrimMediaParams
+        public const int PRIM_MEDIA_ALT_IMAGE_ENABLE = 0;
+        public const int PRIM_MEDIA_CONTROLS = 1;
+        public const int PRIM_MEDIA_CURRENT_URL = 2;
+        public const int PRIM_MEDIA_HOME_URL = 3;
+        public const int PRIM_MEDIA_AUTO_LOOP = 4;
+        public const int PRIM_MEDIA_AUTO_PLAY = 5;
+        public const int PRIM_MEDIA_AUTO_SCALE = 6;
+        public const int PRIM_MEDIA_AUTO_ZOOM = 7;
+        public const int PRIM_MEDIA_FIRST_CLICK_INTERACT = 8;
+        public const int PRIM_MEDIA_WIDTH_PIXELS = 9;
+        public const int PRIM_MEDIA_HEIGHT_PIXELS = 10;
+        public const int PRIM_MEDIA_WHITELIST_ENABLE = 11;
+        public const int PRIM_MEDIA_WHITELIST = 12;
+        public const int PRIM_MEDIA_PERMS_INTERACT = 13;
+        public const int PRIM_MEDIA_PERMS_CONTROL = 14;
+        
+        public const int PRIM_MEDIA_CONTROLS_STANDARD = 0;
+        public const int PRIM_MEDIA_CONTROLS_MINI = 1;
+        
+        public const int PRIM_MEDIA_PERM_NONE = 0;
+        public const int PRIM_MEDIA_PERM_OWNER = 1;
+        public const int PRIM_MEDIA_PERM_GROUP = 2;
+        public const int PRIM_MEDIA_PERM_ANYONE = 4;
+
         // Constants for default textures
         public const string TEXTURE_BLANK = "5748decc-f629-461c-9a36-a35a221fe21f";
         public const string TEXTURE_DEFAULT = "89556747-24cb-43ed-920b-47caed15465f";