2 files changed, 367 insertions, 18 deletions

diff --git a/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPrim.cs b/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPrim.cs
new file mode 100644
index 0000000..ba7fe1e
--- /dev/null
+++ b/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPrim.cs
@@ -0,0 +1,344 @@
+/*
+ * 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.BasicPhysicsPlugin
+{
+    public class BasicPhysicsPrim : PhysicsActor
+    {
+        private Vector3 _position;
+        private Vector3 _velocity;
+        private Vector3 _acceleration;
+        private Vector3 _size;
+        private PrimitiveBaseShape _shape;
+        private Vector3 m_rotationalVelocity;
+        private bool flying;
+        private bool iscolliding;
+
+        public BasicPhysicsPrim(
+            string name, uint localId, Vector3 position, Vector3 size, Quaternion orientation, PrimitiveBaseShape shape)
+        {
+            Name = name;
+            LocalID = localId;
+            Position = position;
+            Size = size;
+            Orientation = orientation;
+            Shape = shape;
+        }
+
+        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 PrimitiveBaseShape Shape
+        {
+            set { _shape = 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 Vector3 Velocity
+        {
+            get { return _velocity; }
+            set { _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; 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
+        {
+            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/Physics/BasicPhysicsPlugin/BasicPhysicsScene.cs b/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsScene.cs
index 2e14216..f5826ed 100644
--- a/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsScene.cs
+++ b/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsScene.cs
@@ -34,9 +34,17 @@ using OpenSim.Region.Physics.Manager;
 
 namespace OpenSim.Region.Physics.BasicPhysicsPlugin
 {
+    /// <summary>
+    /// This is an incomplete extremely basic physics implementation
+    /// </summary>
+    /// <remarks>
+    /// Not useful for anything at the moment apart from some regression testing in other components where some form
+    /// of physics plugin is needed.
+    /// </remarks>
     public class BasicScene : PhysicsScene
     {
         private List<BasicActor> _actors = new List<BasicActor>();
+        private List<BasicPhysicsPrim> _prims = new List<BasicPhysicsPrim>();
         private float[] _heightMap;
 
         //protected internal string sceneIdentifier;
@@ -50,10 +58,19 @@ namespace OpenSim.Region.Physics.BasicPhysicsPlugin
         {
         }
 
-        public override void Dispose()
+        public override void Dispose() {}
+
+        public override PhysicsActor AddPrimShape(string primName, PrimitiveBaseShape pbs, Vector3 position,
+                                                  Vector3 size, Quaternion rotation, bool isPhysical, uint localid)
         {
+            BasicPhysicsPrim prim = new BasicPhysicsPrim(primName, localid, position, size, rotation, pbs);
+            prim.IsPhysical = isPhysical;
+
+            _prims.Add(prim);
 
+            return prim;
         }
+
         public override PhysicsActor AddAvatar(string avName, Vector3 position, Vector3 size, bool isFlying)
         {
             BasicActor act = new BasicActor(size);
@@ -63,30 +80,18 @@ namespace OpenSim.Region.Physics.BasicPhysicsPlugin
             return act;
         }
 
-        public override void RemovePrim(PhysicsActor prim)
+        public override void RemovePrim(PhysicsActor actor)
         {
+            BasicPhysicsPrim prim = (BasicPhysicsPrim)actor;
+            if (_prims.Contains(prim))
+                _prims.Remove(prim);
         }
 
         public override void RemoveAvatar(PhysicsActor actor)
         {
-            BasicActor act = (BasicActor) actor;
+            BasicActor act = (BasicActor)actor;
             if (_actors.Contains(act))
-            {
                 _actors.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)
-        {
-            return null;
         }
 
         public override void AddPhysicsActorTaint(PhysicsActor prim)