Major renaming of Physics dlls / folders. No functional changes, just renames.

5 files changed, 1072 insertions, 0 deletions

diff --git a/OpenSim/Region/PhysicsModules/POS/AssemblyInfo.cs b/OpenSim/Region/PhysicsModules/POS/AssemblyInfo.cs
new file mode 100644
index 0000000..fc1ffba
--- /dev/null
+++ b/OpenSim/Region/PhysicsModules/POS/AssemblyInfo.cs
@@ -0,0 +1,58 @@
+/*
+ * 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.Reflection;
+using System.Runtime.InteropServices;
+
+// Information about this assembly is defined by the following
+// attributes.
+//
+// change them to the information which is associated with the assembly
+// you compile.
+
+[assembly : AssemblyTitle("POSPlugin")]
+[assembly : AssemblyDescription("")]
+[assembly : AssemblyConfiguration("")]
+[assembly : AssemblyCompany("http://opensimulator.org")]
+[assembly : AssemblyProduct("POSPlugin")]
+[assembly : AssemblyCopyright("Copyright (c) OpenSimulator.org Developers")]
+[assembly : AssemblyTrademark("")]
+[assembly : AssemblyCulture("")]
+
+// This sets the default COM visibility of types in the assembly to invisible.
+// If you need to expose a type to COM, use [ComVisible(true)] on that type.
+
+[assembly : ComVisible(false)]
+
+// The assembly version has following format :
+//
+// Major.Minor.Build.Revision
+//
+// You can specify all values by your own or you can build default build and revision
+// numbers with the '*' character (the default):
+
+[assembly : AssemblyVersion("0.8.2.*")]
diff --git a/OpenSim/Region/PhysicsModules/POS/POSCharacter.cs b/OpenSim/Region/PhysicsModules/POS/POSCharacter.cs
new file mode 100644
index 0000000..40ab984
--- /dev/null
+++ b/OpenSim/Region/PhysicsModules/POS/POSCharacter.cs
@@ -0,0 +1,341 @@
+/*
+ * 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 System.Collections.Generic;
+using Nini.Config;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Physics.Manager;
+
+namespace OpenSim.Region.Physics.POSPlugin
+{
+    public class POSCharacter : PhysicsActor
+    {
+        private Vector3 _position;
+        public Vector3 _velocity;
+        public Vector3 _target_velocity = Vector3.Zero;
+        public Vector3 _size = Vector3.Zero;
+        private Vector3 _acceleration;
+        private Vector3 m_rotationalVelocity = Vector3.Zero;
+        private bool flying;
+        private bool isColliding;
+
+        public POSCharacter()
+        {
+        }
+
+        public override int PhysicsActorType
+        {
+            get { return (int) ActorTypes.Agent; }
+            set { return; }
+        }
+
+        public override Vector3 RotationalVelocity
+        {
+            get { return m_rotationalVelocity; }
+            set { m_rotationalVelocity = value; }
+        }
+
+        public override bool SetAlwaysRun
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override uint LocalID
+        {
+            set { return; }
+        }
+
+        public override bool Grabbed
+        {
+            set { return; }
+        }
+
+        public override bool Selected
+        {
+            set { return; }
+        }
+
+        public override float Buoyancy
+        {
+            get { return 0f; }
+            set { return; }
+        }
+
+        public override bool FloatOnWater
+        {
+            set { return; }
+        }
+
+        public override bool IsPhysical
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override bool ThrottleUpdates
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override bool Flying
+        {
+            get { return flying; }
+            set { flying = value; }
+        }
+
+        public override bool IsColliding
+        {
+            get { return isColliding; }
+            set { isColliding = value; }
+        }
+
+        public override bool CollidingGround
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override bool CollidingObj
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override bool Stopped
+        {
+            get { return false; }
+        }
+
+        public override Vector3 Position
+        {
+            get { return _position; }
+            set { _position = value; }
+        }
+
+        public override Vector3 Size
+        {
+            get { return _size; }
+            set
+            {
+                _size = value;
+                _size.Z = _size.Z / 2.0f;
+            }
+        }
+
+        public override float Mass
+        {
+            get { return 0f; }
+        }
+
+        public override Vector3 Force
+        {
+            get { return Vector3.Zero; }
+            set { return; }
+        }
+
+        public override int VehicleType
+        {
+            get { return 0; }
+            set { return; }
+        }
+
+        public override void VehicleFloatParam(int param, float value)
+        {
+
+        }
+
+        public override void VehicleVectorParam(int param, Vector3 value)
+        {
+
+        }
+
+        public override void VehicleRotationParam(int param, Quaternion rotation)
+        {
+
+        }
+
+        public override void VehicleFlags(int param, bool remove) { }
+
+        public override void SetVolumeDetect(int param)
+        {
+
+        }
+
+        public override Vector3 CenterOfMass
+        {
+            get { return Vector3.Zero; }
+        }
+
+        public override Vector3 GeometricCenter
+        {
+            get { return Vector3.Zero; }
+        }
+
+        public override PrimitiveBaseShape Shape
+        {
+            set { return; }
+        }
+
+        public override Vector3 Velocity
+        {
+            get { return _velocity; }
+            set { _target_velocity = value; }
+        }
+
+        public override Vector3 Torque
+        {
+            get { return Vector3.Zero; }
+            set { return; }
+        }
+
+        public override float CollisionScore
+        {
+            get { return 0f; }
+            set { }
+        }
+
+        public override Quaternion Orientation
+        {
+            get { return Quaternion.Identity; }
+            set { }
+        }
+
+        public override Vector3 Acceleration
+        {
+            get { return _acceleration; }
+            set { _acceleration = value; }
+        }
+
+        public override bool Kinematic
+        {
+            get { return true; }
+            set { }
+        }
+
+        public override void link(PhysicsActor obj)
+        {
+        }
+
+        public override void delink()
+        {
+        }
+
+        public override void LockAngularMotion(Vector3 axis)
+        {
+        }
+
+        public override void AddForce(Vector3 force, bool pushforce)
+        {
+        }
+
+        public override void AddAngularForce(Vector3 force, bool pushforce)
+        {
+        }
+
+        public override void SetMomentum(Vector3 momentum)
+        {
+        }
+
+        public override void CrossingFailure()
+        {
+        }
+
+        public override Vector3 PIDTarget
+        {
+            set { return; }
+        }
+
+        public override bool PIDActive 
+        { 
+            get { return false; }
+            set { return; } 
+        }
+
+        public override float PIDTau
+        {
+            set { return; }
+        }
+
+        public override float PIDHoverHeight
+        {
+            set { return; }
+        }
+
+        public override bool PIDHoverActive
+        {
+            set { return; }
+        }
+
+        public override PIDHoverType PIDHoverType
+        {
+            set { return; }
+        }
+
+        public override float PIDHoverTau
+        {
+            set { return; }
+        }
+        
+        public override Quaternion APIDTarget
+        {
+            set { return; }
+        }
+
+        public override bool APIDActive
+        {
+            set { return; }
+        }
+
+        public override float APIDStrength
+        {
+            set { return; }
+        }
+
+        public override float APIDDamping
+        {
+            set { return; }
+        }
+
+
+        public override void SubscribeEvents(int ms)
+        {
+        }
+
+        public override void UnSubscribeEvents()
+        {
+        }
+
+        public override bool SubscribedEvents()
+        {
+            return false;
+        }
+    }
+}
diff --git a/OpenSim/Region/PhysicsModules/POS/POSPlugin.cs b/OpenSim/Region/PhysicsModules/POS/POSPlugin.cs
new file mode 100644
index 0000000..ed086dd
--- /dev/null
+++ b/OpenSim/Region/PhysicsModules/POS/POSPlugin.cs
@@ -0,0 +1,64 @@
+/*
+ * 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 System.Collections.Generic;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Region.Physics.Manager;
+
+namespace OpenSim.Region.Physics.POSPlugin
+{
+    /// <summary>
+    /// for now will be a very POS physics engine
+    /// </summary>
+    public class POSPlugin : IPhysicsPlugin
+    {
+        public POSPlugin()
+        {
+        }
+
+        public bool Init()
+        {
+            return true;
+        }
+
+        public PhysicsScene GetScene(string sceneIdentifier)
+        {
+            return new POSScene(GetName(), sceneIdentifier);
+        }
+
+        public string GetName()
+        {
+            return ("POS");
+        }
+
+        public void Dispose()
+        {
+        }
+    }
+}
diff --git a/OpenSim/Region/PhysicsModules/POS/POSPrim.cs b/OpenSim/Region/PhysicsModules/POS/POSPrim.cs
new file mode 100644
index 0000000..7c1e915
--- /dev/null
+++ b/OpenSim/Region/PhysicsModules/POS/POSPrim.cs
@@ -0,0 +1,336 @@
+/*
+ * 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 System.Collections.Generic;
+using Nini.Config;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Physics.Manager;
+
+namespace OpenSim.Region.Physics.POSPlugin
+{
+    public class POSPrim : PhysicsActor
+    {
+        private Vector3 _position;
+        private Vector3 _velocity;
+        private Vector3 _acceleration;
+        private Vector3 _size;
+        private Vector3 m_rotationalVelocity = Vector3.Zero;
+        private Quaternion _orientation;
+        private bool iscolliding;
+
+        public POSPrim()
+        {
+        }
+
+        public override int PhysicsActorType
+        {
+            get { return (int) ActorTypes.Prim; }
+            set { return; }
+        }
+
+        public override Vector3 RotationalVelocity
+        {
+            get { return m_rotationalVelocity; }
+            set { m_rotationalVelocity = value; }
+        }
+
+        public override bool IsPhysical
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override bool ThrottleUpdates
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override bool IsColliding
+        {
+            get { return iscolliding; }
+            set { iscolliding = value; }
+        }
+
+        public override bool CollidingGround
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override bool CollidingObj
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override bool Stopped
+        {
+            get { return false; }
+        }
+
+        public override Vector3 Position
+        {
+            get { return _position; }
+            set { _position = value; }
+        }
+
+        public override Vector3 Size
+        {
+            get { return _size; }
+            set { _size = value; }
+        }
+
+        public override float Mass
+        {
+            get { return 0f; }
+        }
+
+        public override Vector3 Force
+        {
+            get { return Vector3.Zero; }
+            set { return; }
+        }
+
+        public override int VehicleType
+        {
+            get { return 0; }
+            set { return; }
+        }
+
+        public override void VehicleFloatParam(int param, float value)
+        {
+
+        }
+
+        public override void VehicleVectorParam(int param, Vector3 value)
+        {
+
+        }
+
+        public override void VehicleRotationParam(int param, Quaternion rotation)
+        {
+
+        }
+
+        public override void VehicleFlags(int param, bool remove) { }
+
+        public override void SetVolumeDetect(int param)
+        {
+
+        }
+
+        public override Vector3 CenterOfMass
+        {
+            get { return Vector3.Zero; }
+        }
+
+        public override Vector3 GeometricCenter
+        {
+            get { return Vector3.Zero; }
+        }
+
+        public override PrimitiveBaseShape Shape
+        {
+            set { return; }
+        }
+
+        public override float Buoyancy
+        {
+            get { return 0f; }
+            set { return; }
+        }
+
+        public override bool FloatOnWater
+        {
+            set { return; }
+        }
+
+        public override Vector3 Velocity
+        {
+            get { return _velocity; }
+            set { _velocity = value; }
+        }
+
+        public override float CollisionScore
+        {
+            get { return 0f; }
+            set { }
+        }
+
+        public override Quaternion Orientation
+        {
+            get { return _orientation; }
+            set { _orientation = value; }
+        }
+
+        public override Vector3 Acceleration
+        {
+            get { return _acceleration; }
+            set { _acceleration = value; }
+        }
+
+        public override bool Kinematic
+        {
+            get { return true; }
+            set { }
+        }
+
+        public override void AddForce(Vector3 force, bool pushforce)
+        {
+        }
+
+        public override void AddAngularForce(Vector3 force, bool pushforce)
+        {
+        }
+
+        public override Vector3 Torque
+        {
+            get { return Vector3.Zero; }
+            set { return; }
+        }
+
+        public override void SetMomentum(Vector3 momentum)
+        {
+        }
+
+        public override bool Flying
+        {
+            get { return false; }
+            set { }
+        }
+
+        public override bool SetAlwaysRun
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override uint LocalID
+        {
+            set { return; }
+        }
+
+        public override bool Grabbed
+        {
+            set { return; }
+        }
+
+        public override void link(PhysicsActor obj)
+        {
+        }
+
+        public override void delink()
+        {
+        }
+
+        public override void LockAngularMotion(Vector3 axis)
+        {
+        }
+
+        public override bool Selected
+        {
+            set { return; }
+        }
+
+        public override void CrossingFailure()
+        {
+        }
+
+        public override Vector3 PIDTarget
+        {
+            set { return; }
+        }
+
+        public override bool PIDActive
+        {
+            get { return false; }
+            set { return; }
+        }
+
+        public override float PIDTau
+        {
+            set { return; }
+        }
+
+        public override float PIDHoverHeight
+        {
+            set { return; }
+        }
+
+        public override bool PIDHoverActive
+        {
+            set { return; }
+        }
+
+        public override PIDHoverType PIDHoverType
+        {
+            set { return; }
+        }
+
+        public override float PIDHoverTau
+        {
+            set { return; }
+        }
+        
+        public override Quaternion APIDTarget
+        {
+            set { return; }
+        }
+
+        public override bool APIDActive
+        {
+            set { return; }
+        }
+
+        public override float APIDStrength
+        {
+            set { return; }
+        }
+
+        public override float APIDDamping
+        {
+            set { return; }
+        }
+
+
+        public override void SubscribeEvents(int ms)
+        {
+        }
+
+        public override void UnSubscribeEvents()
+        {
+        }
+
+        public override bool SubscribedEvents()
+        {
+            return false;
+        }
+    }
+}
diff --git a/OpenSim/Region/PhysicsModules/POS/POSScene.cs b/OpenSim/Region/PhysicsModules/POS/POSScene.cs
new file mode 100644
index 0000000..080c6ab
--- /dev/null
+++ b/OpenSim/Region/PhysicsModules/POS/POSScene.cs
@@ -0,0 +1,273 @@
+/*
+ * 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 System.Collections.Generic;
+using Nini.Config;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Physics.Manager;
+
+namespace OpenSim.Region.Physics.POSPlugin
+{
+    public class POSScene : PhysicsScene
+    {
+        private List<POSCharacter> _characters = new List<POSCharacter>();
+        private List<POSPrim> _prims = new List<POSPrim>();
+        private float[] _heightMap;
+        private const float gravity = -9.8f;
+
+        //protected internal string sceneIdentifier;
+
+        public POSScene(string engineType, String _sceneIdentifier)
+        {
+            EngineType = engineType;
+            Name = EngineType + "/" + _sceneIdentifier;
+            //sceneIdentifier = _sceneIdentifier;
+        }
+
+        public override void Initialise(IMesher meshmerizer, IConfigSource config)
+        {
+        }
+
+        public override void Dispose()
+        {
+        }
+
+        public override PhysicsActor AddAvatar(
+            string avName, Vector3 position, Vector3 velocity, Vector3 size, bool isFlying)
+        {
+            POSCharacter act = new POSCharacter();
+            act.Position = position;
+            act.Flying = isFlying;
+            _characters.Add(act);
+            return act;
+        }
+
+        public override void RemovePrim(PhysicsActor prim)
+        {
+            POSPrim p = (POSPrim) prim;
+            if (_prims.Contains(p))
+            {
+                _prims.Remove(p);
+            }
+        }
+
+        public override void RemoveAvatar(PhysicsActor character)
+        {
+            POSCharacter act = (POSCharacter) character;
+            if (_characters.Contains(act))
+            {
+                _characters.Remove(act);
+            }
+        }
+
+/*
+        public override PhysicsActor AddPrim(Vector3 position, Vector3 size, Quaternion rotation)
+        {
+            return null;
+        }
+*/
+
+        public override PhysicsActor AddPrimShape(string primName, PrimitiveBaseShape pbs, Vector3 position,
+                                                  Vector3 size, Quaternion rotation, bool isPhysical, uint localid)
+        {
+            POSPrim prim = new POSPrim();
+            prim.Position = position;
+            prim.Orientation = rotation;
+            prim.Size = size;
+            _prims.Add(prim);
+            return prim;
+        }
+
+        private bool isColliding(POSCharacter c, POSPrim p)
+        {
+            Vector3 rotatedPos = new Vector3(c.Position.X - p.Position.X, c.Position.Y - p.Position.Y,
+                                             c.Position.Z - p.Position.Z) * Quaternion.Inverse(p.Orientation);
+            Vector3 avatarSize = new Vector3(c.Size.X, c.Size.Y, c.Size.Z) * Quaternion.Inverse(p.Orientation);
+
+            return (Math.Abs(rotatedPos.X) < (p.Size.X*0.5 + Math.Abs(avatarSize.X)) &&
+                    Math.Abs(rotatedPos.Y) < (p.Size.Y*0.5 + Math.Abs(avatarSize.Y)) &&
+                    Math.Abs(rotatedPos.Z) < (p.Size.Z*0.5 + Math.Abs(avatarSize.Z)));
+        }
+
+        private bool isCollidingWithPrim(POSCharacter c)
+        {
+            foreach (POSPrim p in _prims)
+            {
+                if (isColliding(c, p))
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        public override void AddPhysicsActorTaint(PhysicsActor prim)
+        {
+        }
+
+        public override float Simulate(float timeStep)
+        {
+            float fps = 0;
+            for (int i = 0; i < _characters.Count; ++i)
+            {
+                fps++;
+                POSCharacter character = _characters[i];
+
+                float oldposX = character.Position.X;
+                float oldposY = character.Position.Y;
+                float oldposZ = character.Position.Z;
+
+                if (!character.Flying)
+                {
+                    character._target_velocity.Z += gravity * timeStep;
+                }
+
+                Vector3 characterPosition = character.Position;
+
+                characterPosition.X += character._target_velocity.X * timeStep;
+                characterPosition.Y += character._target_velocity.Y * timeStep;
+
+                characterPosition.X = Util.Clamp(character.Position.X, 0.01f, Constants.RegionSize - 0.01f);
+                characterPosition.Y = Util.Clamp(character.Position.Y, 0.01f, Constants.RegionSize - 0.01f);
+
+                bool forcedZ = false;
+
+                float terrainheight = _heightMap[(int)character.Position.Y * Constants.RegionSize + (int)character.Position.X];
+                if (character.Position.Z + (character._target_velocity.Z * timeStep) < terrainheight + 2)
+                {
+                    characterPosition.Z = terrainheight + character.Size.Z;
+                    forcedZ = true;
+                }
+                else
+                {
+                    characterPosition.Z += character._target_velocity.Z*timeStep;
+                }
+
+                /// this is it -- the magic you've all been waiting for!  Ladies and gentlemen --
+                /// Completely Bogus Collision Detection!!!
+                /// better known as the CBCD algorithm
+
+                if (isCollidingWithPrim(character))
+                {
+                    characterPosition.Z = oldposZ; //  first try Z axis
+                    if (isCollidingWithPrim(character))
+                    {
+                        characterPosition.Z = oldposZ + character.Size.Z / 4.4f; // try harder
+                        if (isCollidingWithPrim(character))
+                        {
+                            characterPosition.Z = oldposZ + character.Size.Z / 2.2f; // try very hard
+                            if (isCollidingWithPrim(character))
+                            {
+                                characterPosition.X = oldposX;
+                                characterPosition.Y = oldposY;
+                                characterPosition.Z = oldposZ;
+
+                                characterPosition.X += character._target_velocity.X * timeStep;
+                                if (isCollidingWithPrim(character))
+                                {
+                                    characterPosition.X = oldposX;
+                                }
+
+                                characterPosition.Y += character._target_velocity.Y * timeStep;
+                                if (isCollidingWithPrim(character))
+                                {
+                                    characterPosition.Y = oldposY;
+                                }
+                            }
+                            else
+                            {
+                                forcedZ = true;
+                            }
+                        }
+                        else
+                        {
+                            forcedZ = true;
+                        }
+                    }
+                    else
+                    {
+                        forcedZ = true;
+                    }
+                }
+
+                characterPosition.X = Util.Clamp(character.Position.X, 0.01f, Constants.RegionSize - 0.01f);
+                characterPosition.Y = Util.Clamp(character.Position.Y, 0.01f, Constants.RegionSize - 0.01f);
+
+                character.Position = characterPosition;
+
+                character._velocity.X = (character.Position.X - oldposX)/timeStep;
+                character._velocity.Y = (character.Position.Y - oldposY)/timeStep;
+
+                if (forcedZ)
+                {
+                    character._velocity.Z = 0;
+                    character._target_velocity.Z = 0;
+                    ((PhysicsActor)character).IsColliding = true;
+                    character.RequestPhysicsterseUpdate();
+                }
+                else
+                {
+                    ((PhysicsActor)character).IsColliding = false;
+                    character._velocity.Z = (character.Position.Z - oldposZ)/timeStep;
+                }
+            }
+            return fps;
+        }
+
+        public override void GetResults()
+        {
+        }
+
+        public override bool IsThreaded
+        {
+            // for now we won't be multithreaded
+            get { return (false); }
+        }
+
+        public override void SetTerrain(float[] heightMap)
+        {
+            _heightMap = heightMap;
+        }
+
+        public override void DeleteTerrain()
+        {
+        }
+
+        public override void SetWaterLevel(float baseheight)
+        {
+        }
+
+        public override Dictionary<uint, float> GetTopColliders()
+        {
+            Dictionary<uint, float> returncolliders = new Dictionary<uint, float>();
+            return returncolliders;
+        }
+    }
+}