From 3b764dd34f6c42916763382aea463ec341ec0acc Mon Sep 17 00:00:00 2001
From: Charles Krinke
Date: Thu, 5 Jun 2008 14:22:53 +0000
Subject: Mantis#1438. Thank you kindly, Melanie for a patch that: This patch
 implements the llLoopSound patch from Xantor for the XEngine

---
 .../ScriptEngine/XEngine/LSL_ScriptCommands.cs     | 80 +++++++++++++++++-----
 1 file changed, 63 insertions(+), 17 deletions(-)

diff --git a/OpenSim/Region/ScriptEngine/XEngine/LSL_ScriptCommands.cs b/OpenSim/Region/ScriptEngine/XEngine/LSL_ScriptCommands.cs
index cfd70f4..1fb13a7 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/LSL_ScriptCommands.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/LSL_ScriptCommands.cs
@@ -172,6 +172,31 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             return LLUUID.Zero;
         }
 
+
+        /// <summary>
+        /// accepts a valid LLUUID, -or- a name of an inventory item. 
+        /// Returns a valid LLUUID or LLUUID.Zero if key invalid and item not found
+        /// in prim inventory.
+        /// </summary>
+        /// <param name="k"></param>
+        /// <returns></returns>
+        private LLUUID KeyOrName(string k)
+        {
+            LLUUID key = LLUUID.Zero;
+
+            // if we can parse the string as a key, use it.
+            if (LLUUID.TryParse(k, out key))
+            {
+                return key;
+            }
+            // else try to locate the name in inventory of object. found returns key,
+            // not found returns LLUUID.Zero which will translate to the default particle texture
+            else
+            {
+                return InventoryKey(k);
+            }
+        }
+
         public void osSetRegionWaterHeight(double height)
         {
             m_host.AddScriptLPS(1);
@@ -1372,16 +1397,38 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             Deprecated("llSound");
         }
 
+        // Xantor 20080528 PlaySound updated so it accepts an objectinventory name -or- a key to a sound
+        // 20080530 Updated to remove code duplication
         public void llPlaySound(string sound, double volume)
         {
             m_host.AddScriptLPS(1);
-            m_host.SendSound(sound, volume, false, 0);
+
+            // send the sound, once, to all clients in range
+            m_host.SendSound(KeyOrName(sound).ToString(), volume, false, 0);
         }
 
+        // Xantor 20080528 we should do this differently.
+        // 1) apply the sound to the object
+        // 2) schedule full update
+        // just sending the sound out once doesn't work so well when other avatars come in view later on
+        // or when the prim gets moved, changed, sat on, whatever
+        // see large number of mantises (mantes?)
+        // 20080530 Updated to remove code duplication
+        // 20080530 Stop sound if there is one, otherwise volume only changes don't work
         public void llLoopSound(string sound, double volume)
         {
             m_host.AddScriptLPS(1);
-            m_host.SendSound(sound, volume, false, 1);
+
+            if (m_host.Sound != LLUUID.Zero)
+                llStopSound();
+
+            m_host.Sound = KeyOrName(sound);
+            m_host.SoundGain = volume;
+            m_host.SoundFlags = 1;      // looping
+            m_host.SoundRadius = 20;    // Magic number, 20 seems reasonable. Make configurable?
+
+            m_host.ScheduleFullUpdate();
+            m_host.SendFullUpdateToAllClients();
         }
 
         public void llLoopSoundMaster(string sound, double volume)
@@ -1408,10 +1455,20 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             m_host.SendSound(sound, volume, true, 0);
         }
 
+        // Xantor 20080528: Clear prim data of sound instead
         public void llStopSound()
         {
             m_host.AddScriptLPS(1);
-            m_host.SendSound(LLUUID.Zero.ToString(), 1.0, false, 2);
+
+            m_host.Sound = LLUUID.Zero;
+            m_host.SoundGain = 0;
+            m_host.SoundFlags = 0;
+            m_host.SoundRadius = 0; 
+
+            m_host.ScheduleFullUpdate();
+            m_host.SendFullUpdateToAllClients();
+
+            // m_host.SendSound(LLUUID.Zero.ToString(), 1.0, false, 2);
         }
 
         public void llPreloadSound(string sound)
@@ -4045,23 +4102,12 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                         prules.Pattern = (Primitive.ParticleSystem.SourcePattern)tmpi;
                         break;
 
-                    // Xantor 03-May-2008
+                    // Xantor 20080503
                     // Wiki:    PSYS_SRC_TEXTURE      string      inventory item name or key of the particle texture
                     //          "" = default texture.
+                    // 20080530 Updated to remove code duplication
                     case (int)BuiltIn_Commands_BaseClass.PSYS_SRC_TEXTURE:
-                        LLUUID tkey = LLUUID.Zero;
-
-                        // if we can parse the string as a key, use it.
-                        if (LLUUID.TryParse(rules.Data[i + 1].ToString(), out tkey))
-                        {
-                            prules.Texture = tkey;
-                        }
-                        // else try to locate the name in inventory of object. found returns key,
-                        // not found returns LLUUID.Zero which will translate to the default particle texture
-                        else
-                        {
-                            prules.Texture =  InventoryKey(rules.Data[i+1].ToString());
-                        }
+                        prules.Texture = KeyOrName(rules.Data[i + 1].ToString());
                         break;
 
                     case (int)BuiltIn_Commands_BaseClass.PSYS_SRC_BURST_RATE:
-- 
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