From debb7c09875fdefa906a606680fc8ed8e23225b0 Mon Sep 17 00:00:00 2001
From: SignpostMarv <github@signpostmarv.name>
Date: Mon, 6 Aug 2012 15:35:40 +0100
Subject: [PATCH] enables configurable minimum sizes for physical &
 non-physical prims

---
 OpenSim/Framework/RegionInfo.cs                    | 42 ++++++++++++++-
 OpenSim/Region/Framework/Scenes/Scene.cs           | 31 ++++++++++-
 OpenSim/Region/Framework/Scenes/SceneGraph.cs      |  9 ++--
 .../Region/Framework/Scenes/SceneObjectGroup.cs    | 60 +++++++++++++++++++---
 OpenSim/Region/Framework/Scenes/SceneObjectPart.cs | 13 +++--
 .../Shared/Api/Implementation/LSL_Api.cs           | 28 +++-------
 bin/OpenSim.ini.example                            |  8 +++
 7 files changed, 149 insertions(+), 42 deletions(-)

diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index 2080a16..8131089 100644
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -120,7 +120,9 @@ namespace OpenSim.Framework
         public UUID lastMapUUID = UUID.Zero;
         public string lastMapRefresh = "0";
 
+        private float m_nonphysPrimMin = 0;
         private int m_nonphysPrimMax = 0;
+        private float m_physPrimMin = 0;
         private int m_physPrimMax = 0;
         private bool m_clampPrimSize = false;
         private int m_objectCapacity = 0;
@@ -285,11 +287,21 @@ namespace OpenSim.Framework
             set { m_windlight = value; }
         }
 
+        public float NonphysPrimMin
+        {
+            get { return m_nonphysPrimMin; }
+        }
+
         public int NonphysPrimMax
         {
             get { return m_nonphysPrimMax; }
         }
 
+        public float PhysPrimMin
+        {
+            get { return m_physPrimMin; }
+        }
+
         public int PhysPrimMax
         {
             get { return m_physPrimMax; }
@@ -623,16 +635,28 @@ namespace OpenSim.Framework
             m_regionType = config.GetString("RegionType", String.Empty);
             allKeys.Remove("RegionType");
 
-            // Prim stuff
-            //
+            #region Prim stuff
+
+            m_nonphysPrimMin = config.GetFloat("NonphysicalPrimMin", 0);
+            allKeys.Remove("NonphysicalPrimMin");
+
             m_nonphysPrimMax = config.GetInt("NonphysicalPrimMax", 0);
             allKeys.Remove("NonphysicalPrimMax");
+
+            m_physPrimMin = config.GetFloat("PhysicalPrimMin", 0);
+            allKeys.Remove("PhysicalPrimMin");
+
             m_physPrimMax = config.GetInt("PhysicalPrimMax", 0);
             allKeys.Remove("PhysicalPrimMax");
+            
             m_clampPrimSize = config.GetBoolean("ClampPrimSize", false);
             allKeys.Remove("ClampPrimSize");
+            
             m_objectCapacity = config.GetInt("MaxPrims", 15000);
             allKeys.Remove("MaxPrims");
+            
+            #endregion
+
             m_agentCapacity = config.GetInt("MaxAgents", 100);
             allKeys.Remove("MaxAgents");
 
@@ -668,10 +692,18 @@ namespace OpenSim.Framework
 
             config.Set("ExternalHostName", m_externalHostName);
 
+            if (m_nonphysPrimMin != 0)
+                config.Set("NonphysicalPrimMax", m_nonphysPrimMin);
+
             if (m_nonphysPrimMax != 0)
                 config.Set("NonphysicalPrimMax", m_nonphysPrimMax);
+
+            if (m_physPrimMin != 0)
+                config.Set("PhysicalPrimMax", m_physPrimMin);
+            
             if (m_physPrimMax != 0)
                 config.Set("PhysicalPrimMax", m_physPrimMax);
+                        
             config.Set("ClampPrimSize", m_clampPrimSize.ToString());
 
             if (m_objectCapacity != 0)
@@ -754,9 +786,15 @@ namespace OpenSim.Framework
             configMember.addConfigurationOption("lastmap_refresh", ConfigurationOption.ConfigurationTypes.TYPE_STRING_NOT_EMPTY,
                                                 "Last Map Refresh", Util.UnixTimeSinceEpoch().ToString(), true);
 
+            configMember.addConfigurationOption("nonphysical_prim_min", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT,
+                                                "Minimum size for nonphysical prims", m_nonphysPrimMin.ToString(), true);
+
             configMember.addConfigurationOption("nonphysical_prim_max", ConfigurationOption.ConfigurationTypes.TYPE_INT32,
                                                 "Maximum size for nonphysical prims", m_nonphysPrimMax.ToString(), true);
 
+            configMember.addConfigurationOption("physical_prim_min", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT,
+                                                "Minimum size for nonphysical prims", m_physPrimMin.ToString(), true);
+
             configMember.addConfigurationOption("physical_prim_max", ConfigurationOption.ConfigurationTypes.TYPE_INT32,
                                                 "Maximum size for physical prims", m_physPrimMax.ToString(), true);
 
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 40cfb72..3c91716 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -103,8 +103,26 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public bool CollidablePrims { get; private set; }
 
+        /// <summary>
+        /// Minimum value of the size of a non-physical prim in each axis
+        /// </summary>
+        public float m_minNonphys = 0.01f;
+
+        /// <summary>
+        /// Maximum value of the size of a non-physical prim in each axis
+        /// </summary>
         public float m_maxNonphys = 256;
+
+        /// <summary>
+        /// Minimum value of the size of a physical prim in each axis
+        /// </summary>
+        public float m_minPhys = 0.01f;
+
+        /// <summary>
+        /// Maximum value of the size of a physical prim in each axis
+        /// </summary>
         public float m_maxPhys = 10;
+
         public bool m_clampPrimSize;
         public bool m_trustBinaries;
         public bool m_allowScriptCrossings;
@@ -717,14 +735,25 @@ namespace OpenSim.Region.Framework.Scenes
                 PhysicalPrims = startupConfig.GetBoolean("physical_prim", PhysicalPrims);
                 CollidablePrims = startupConfig.GetBoolean("collidable_prim", CollidablePrims);
 
+                m_minNonphys = startupConfig.GetFloat("NonphysicalPrimMin", m_minNonphys);
+                if (RegionInfo.NonphysPrimMin > 0)
+                {
+                    m_minNonphys = RegionInfo.NonphysPrimMin;
+                }
+
                 m_maxNonphys = startupConfig.GetFloat("NonphysicalPrimMax", m_maxNonphys);
                 if (RegionInfo.NonphysPrimMax > 0)
                 {
                     m_maxNonphys = RegionInfo.NonphysPrimMax;
                 }
 
-                m_maxPhys = startupConfig.GetFloat("PhysicalPrimMax", m_maxPhys);
+                m_minPhys = startupConfig.GetFloat("PhysicalPrimMin", m_minPhys);
+                if (RegionInfo.PhysPrimMin > 0)
+                {
+                    m_minPhys = RegionInfo.PhysPrimMin;
+                }
 
+                m_maxPhys = startupConfig.GetFloat("PhysicalPrimMax", m_maxPhys);
                 if (RegionInfo.PhysPrimMax > 0)
                 {
                     m_maxPhys = RegionInfo.PhysPrimMax;
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 13842ad..b6339fb 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -375,12 +375,9 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     Vector3 scale = part.Shape.Scale;
 
-                    if (scale.X > m_parentScene.m_maxNonphys)
-                        scale.X = m_parentScene.m_maxNonphys;
-                    if (scale.Y > m_parentScene.m_maxNonphys)
-                        scale.Y = m_parentScene.m_maxNonphys;
-                    if (scale.Z > m_parentScene.m_maxNonphys)
-                        scale.Z = m_parentScene.m_maxNonphys;
+                    scale.X = Math.Max(m_parentScene.m_minNonphys, Math.Min(m_parentScene.m_maxNonphys, scale.X));
+                    scale.Y = Math.Max(m_parentScene.m_minNonphys, Math.Min(m_parentScene.m_maxNonphys, scale.Y));
+                    scale.Z = Math.Max(m_parentScene.m_minNonphys, Math.Min(m_parentScene.m_maxNonphys, scale.Z));
 
                     part.Shape.Scale = scale;
                 }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 5f90035..f6c725b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -2674,17 +2674,17 @@ namespace OpenSim.Region.Framework.Scenes
 
             RootPart.StoreUndoState(true);
 
-            scale.X = Math.Min(scale.X, Scene.m_maxNonphys);
-            scale.Y = Math.Min(scale.Y, Scene.m_maxNonphys);
-            scale.Z = Math.Min(scale.Z, Scene.m_maxNonphys);
+            scale.X = Math.Max(Scene.m_minNonphys, Math.Min(Scene.m_maxNonphys, scale.X));
+            scale.Y = Math.Max(Scene.m_minNonphys, Math.Min(Scene.m_maxNonphys, scale.Y));
+            scale.Z = Math.Max(Scene.m_minNonphys, Math.Min(Scene.m_maxNonphys, scale.Z));
 
             PhysicsActor pa = m_rootPart.PhysActor;
 
             if (pa != null && pa.IsPhysical)
             {
-                scale.X = Math.Min(scale.X, Scene.m_maxPhys);
-                scale.Y = Math.Min(scale.Y, Scene.m_maxPhys);
-                scale.Z = Math.Min(scale.Z, Scene.m_maxPhys);
+                scale.X = Math.Max(Scene.m_minPhys, Math.Min(Scene.m_maxPhys, scale.X));
+                scale.Y = Math.Max(Scene.m_minPhys, Math.Min(Scene.m_maxPhys, scale.Y));
+                scale.Z = Math.Max(Scene.m_minPhys, Math.Min(Scene.m_maxPhys, scale.Z));
             }
 
             float x = (scale.X / RootPart.Scale.X);
@@ -2716,6 +2716,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.X * x < m_scene.m_minPhys)
+                            {
+                                f = m_scene.m_minPhys / oldSize.X;
+                                a = f / x;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
 
                             if (oldSize.Y * y > m_scene.m_maxPhys)
                             {
@@ -2725,6 +2733,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.Y * y < m_scene.m_minPhys)
+                            {
+                                f = m_scene.m_minPhys / oldSize.Y;
+                                a = f / y;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
 
                             if (oldSize.Z * z > m_scene.m_maxPhys)
                             {
@@ -2734,6 +2750,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.Z * z < m_scene.m_minPhys)
+                            {
+                                f = m_scene.m_minPhys / oldSize.Z;
+                                a = f / z;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
                         }
                         else
                         {
@@ -2745,6 +2769,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.X * x < m_scene.m_minNonphys)
+                            {
+                                f = m_scene.m_minNonphys / oldSize.X;
+                                a = f / x;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
 
                             if (oldSize.Y * y > m_scene.m_maxNonphys)
                             {
@@ -2754,6 +2786,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.Y * y < m_scene.m_minNonphys)
+                            {
+                                f = m_scene.m_minNonphys / oldSize.Y;
+                                a = f / y;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
 
                             if (oldSize.Z * z > m_scene.m_maxNonphys)
                             {
@@ -2763,6 +2803,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.Z * z < m_scene.m_minNonphys)
+                            {
+                                f = m_scene.m_minNonphys / oldSize.Z;
+                                a = f / z;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
                         }
 
 //                        obPart.IgnoreUndoUpdate = false;
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 4c87639..cd75224 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -2368,17 +2368,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="scale"></param>
         public void Resize(Vector3 scale)
         {
-            scale.X = Math.Min(scale.X, ParentGroup.Scene.m_maxNonphys);
-            scale.Y = Math.Min(scale.Y, ParentGroup.Scene.m_maxNonphys);
-            scale.Z = Math.Min(scale.Z, ParentGroup.Scene.m_maxNonphys);
+            scale.X = Math.Max(ParentGroup.Scene.m_minNonphys, Math.Min(ParentGroup.Scene.m_maxNonphys, scale.X));
+            scale.Y = Math.Max(ParentGroup.Scene.m_minNonphys, Math.Min(ParentGroup.Scene.m_maxNonphys, scale.Y));
+            scale.Z = Math.Max(ParentGroup.Scene.m_minNonphys, Math.Min(ParentGroup.Scene.m_maxNonphys, scale.Z));
 
             PhysicsActor pa = PhysActor;
-
             if (pa != null && pa.IsPhysical)
             {
-                scale.X = Math.Min(scale.X, ParentGroup.Scene.m_maxPhys);
-                scale.Y = Math.Min(scale.Y, ParentGroup.Scene.m_maxPhys);
-                scale.Z = Math.Min(scale.Z, ParentGroup.Scene.m_maxPhys);
+                scale.X = Math.Max(ParentGroup.Scene.m_minPhys, Math.Min(ParentGroup.Scene.m_maxPhys, scale.X));
+                scale.Y = Math.Max(ParentGroup.Scene.m_minPhys, Math.Min(ParentGroup.Scene.m_maxPhys, scale.Y));
+                scale.Z = Math.Max(ParentGroup.Scene.m_minPhys, Math.Min(ParentGroup.Scene.m_maxPhys, scale.Z));
             }
 
 //            m_log.DebugFormat("[SCENE OBJECT PART]: Resizing {0} {1} to {2}", Name, LocalId, scale);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index c3b1f3d..3e4296d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -1332,31 +1332,19 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (part == null || part.ParentGroup.IsDeleted)
                 return;
 
-            if (scale.x < 0.01)
-                scale.x = 0.01;
-            if (scale.y < 0.01)
-                scale.y = 0.01;
-            if (scale.z < 0.01)
-                scale.z = 0.01;
-
+            // First we need to check whether or not we need to clamp the size of a physics-enabled prim
             PhysicsActor pa = part.ParentGroup.RootPart.PhysActor;
-
             if (pa != null && pa.IsPhysical)
             {
-                if (scale.x > World.m_maxPhys)
-                    scale.x = World.m_maxPhys;
-                if (scale.y > World.m_maxPhys)
-                    scale.y = World.m_maxPhys;
-                if (scale.z > World.m_maxPhys)
-                    scale.z = World.m_maxPhys;
+                scale.x = Math.Max(World.m_minPhys, Math.Min(World.m_maxPhys, scale.x));
+                scale.y = Math.Max(World.m_minPhys, Math.Min(World.m_maxPhys, scale.y));
+                scale.z = Math.Max(World.m_minPhys, Math.Min(World.m_maxPhys, scale.z));
             }
 
-            if (scale.x > World.m_maxNonphys)
-                scale.x = World.m_maxNonphys;
-            if (scale.y > World.m_maxNonphys)
-                scale.y = World.m_maxNonphys;
-            if (scale.z > World.m_maxNonphys)
-                scale.z = World.m_maxNonphys;
+            // Next we clamp the scale to the non-physical min/max
+            scale.x = Math.Max(World.m_minNonphys, Math.Min(World.m_maxNonphys, scale.x));
+            scale.y = Math.Max(World.m_minNonphys, Math.Min(World.m_maxNonphys, scale.y));
+            scale.z = Math.Max(World.m_minNonphys, Math.Min(World.m_maxNonphys, scale.z));
 
             Vector3 tmp = part.Scale;
             tmp.X = (float)scale.x;
diff --git a/bin/OpenSim.ini.example b/bin/OpenSim.ini.example
index 9c68b65..bced817 100644
--- a/bin/OpenSim.ini.example
+++ b/bin/OpenSim.ini.example
@@ -87,10 +87,18 @@
     ;; from the selected region_info_source.
     ; allow_regionless = false
 
+    ;# {NonPhysicalPrimMin} {} {Minimum size of nonphysical prims?} {} 0.01
+    ;; Minimum size for non-physical prims.  Affects resizing of existing prims.  This can be overriden in the region config file (as NonphysicalPrimMin!).
+    ; NonphysicalPrimMin = 0.01
+
     ;# {NonPhysicalPrimMax} {} {Maximum size of nonphysical prims?} {} 256
     ;; Maximum size for non-physical prims.  Affects resizing of existing prims.  This can be overriden in the region config file (as NonphysicalPrimMax!).
     ; NonphysicalPrimMax = 256
 
+    ;# {PhysicalPrimMin} {} {Minimum size of physical prims?} {} 10
+    ;; Maximum size where a prim can be physical.  Affects resizing of existing prims.  This can be overriden in the region config file.
+    ; PhysicalPrimMin = 0.01
+
     ;# {PhysicalPrimMax} {} {Maximum size of physical prims?} {} 10
     ;; Maximum size where a prim can be physical.  Affects resizing of existing prims.  This can be overriden in the region config file.
     ; PhysicalPrimMax = 10
-- 
1.7.11.msysgit.1