From ccc69d66a135e149dbe9c6b70df0c8efe1265f65 Mon Sep 17 00:00:00 2001
From: Robert Adams
Date: Fri, 17 Aug 2012 10:40:34 -0700
Subject: BulletSim: add parameters and functionality to specify the mesh   
 level of detail for large meshes. Remove parameter and code for DetailLog
 (conditional logging into    regular log file).

---
 OpenSim/Region/Physics/BulletSPlugin/BSScene.cs | 54 ++++++++++++-------------
 1 file changed, 26 insertions(+), 28 deletions(-)

(limited to 'OpenSim/Region/Physics/BulletSPlugin/BSScene.cs')

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
index 0a0e27e..d901ff0 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
@@ -73,8 +73,6 @@ public class BSScene : PhysicsScene, IPhysicsParameters
     private static readonly ILog m_log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
     private static readonly string LogHeader = "[BULLETS SCENE]";
 
-    public void DebugLog(string mm, params Object[] xx) { if (ShouldDebugLog) m_log.DebugFormat(mm, xx); }
-
     public string BulletSimVersion = "?";
 
     private Dictionary<uint, BSCharacter> m_avatars = new Dictionary<uint, BSCharacter>();
@@ -101,16 +99,11 @@ public class BSScene : PhysicsScene, IPhysicsParameters
     private int m_detailedStatsStep = 0;
 
     public IMesher mesher;
-    private float m_meshLOD;
-    public float MeshLOD
-    {
-        get { return m_meshLOD; }
-    }
-    private float m_sculptLOD;
-    public float SculptLOD
-    {
-        get { return m_sculptLOD; }
-    }
+    // Level of Detail values kept as float because that's what the Meshmerizer wants
+    public float MeshLOD { get; private set; }
+    public float MeshMegaPrimLOD { get; private set; }
+    public float MeshMegaPrimThreshold { get; private set; }
+    public float SculptLOD { get; private set; }
 
     private BulletSim m_worldSim;
     public BulletSim World
@@ -185,8 +178,9 @@ public class BSScene : PhysicsScene, IPhysicsParameters
     ConfigurationParameters[] m_params;
     GCHandle m_paramsHandle;
 
-    public bool ShouldDebugLog { get; private set; }
-
+    // Handle to the callback used by the unmanaged code to call into the managed code.
+    // Used for debug logging.
+    // Need to store the handle in a persistant variable so it won't be freed.
     private BulletSimAPI.DebugLogCallback m_DebugLogCallbackHandle;
 
     // Sometimes you just have to log everything.
@@ -905,16 +899,26 @@ public class BSScene : PhysicsScene, IPhysicsParameters
             (s) => { return s.NumericBool(s._forceSimplePrimMeshing); },
             (s,p,l,v) => { s._forceSimplePrimMeshing = s.BoolNumeric(v); } ),
 
-        new ParameterDefn("MeshLOD", "Level of detail to render meshes (32, 16, 8 or 4. 32=most detailed)",
+        new ParameterDefn("MeshLevelOfDetail", "Level of detail to render meshes (32, 16, 8 or 4. 32=most detailed)",
             8f,
-            (s,cf,p,v) => { s.m_meshLOD = cf.GetInt(p, (int)v); },
-            (s) => { return (float)s.m_meshLOD; },
-            (s,p,l,v) => { s.m_meshLOD = (int)v; } ),
-        new ParameterDefn("SculptLOD", "Level of detail to render sculpties (32, 16, 8 or 4. 32=most detailed)",
+            (s,cf,p,v) => { s.MeshLOD = (float)cf.GetInt(p, (int)v); },
+            (s) => { return s.MeshLOD; },
+            (s,p,l,v) => { s.MeshLOD = v; } ),
+        new ParameterDefn("MeshLevelOfDetailMegaPrim", "Level of detail to render meshes larger than threshold meters",
+            16f,
+            (s,cf,p,v) => { s.MeshMegaPrimLOD = (float)cf.GetInt(p, (int)v); },
+            (s) => { return s.MeshMegaPrimLOD; },
+            (s,p,l,v) => { s.MeshMegaPrimLOD = v; } ),
+        new ParameterDefn("MeshLevelOfDetailMegaPrimThreshold", "Size (in meters) of a mesh before using MeshMegaPrimLOD",
+            10f,
+            (s,cf,p,v) => { s.MeshMegaPrimThreshold = (float)cf.GetInt(p, (int)v); },
+            (s) => { return s.MeshMegaPrimThreshold; },
+            (s,p,l,v) => { s.MeshMegaPrimThreshold = v; } ),
+        new ParameterDefn("SculptLevelOfDetail", "Level of detail to render sculpties (32, 16, 8 or 4. 32=most detailed)",
             32f,
-            (s,cf,p,v) => { s.m_sculptLOD = cf.GetInt(p, (int)v); },
-            (s) => { return (float)s.m_sculptLOD; },
-            (s,p,l,v) => { s.m_sculptLOD = (int)v; } ),
+            (s,cf,p,v) => { s.SculptLOD = (float)cf.GetInt(p, (int)v); },
+            (s) => { return s.SculptLOD; },
+            (s,p,l,v) => { s.SculptLOD = v; } ),
 
         new ParameterDefn("MaxSubStep", "In simulation step, maximum number of substeps",
             10f,
@@ -1145,12 +1149,6 @@ public class BSScene : PhysicsScene, IPhysicsParameters
             (s,cf,p,v) => { s.m_detailedStatsStep = cf.GetInt(p, (int)v); },
             (s) => { return (float)s.m_detailedStatsStep; },
             (s,p,l,v) => { s.m_detailedStatsStep = (int)v; } ),
-        new ParameterDefn("ShouldDebugLog", "Enables detailed DEBUG log statements",
-            ConfigurationParameters.numericFalse,
-            (s,cf,p,v) => { s.ShouldDebugLog = cf.GetBoolean(p, s.BoolNumeric(v)); },
-            (s) => { return s.NumericBool(s.ShouldDebugLog); },
-            (s,p,l,v) => { s.ShouldDebugLog = s.BoolNumeric(v); } ),
-
     };
 
     // Convert a boolean to our numeric true and false values
-- 
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