Implements llSetForce() and llGetForce(). These are experimental and the units may not match the Linden implementation.

OpenSim/Region/Environment/Scenes/SceneObjectPart.cs

@@ -1374,6 +1374,14 @@ namespace OpenSim.Region.Environment.Scenes
             }
         }
 
+        public PhysicsVector GetForce()
+        {
+            if (PhysActor != null)
+                return PhysActor.Force;
+            else
+                return new PhysicsVector();
+        }
+
         [SecurityPermission(SecurityAction.LinkDemand,
             Flags = SecurityPermissionFlag.SerializationFormatter)]
         public virtual void GetObjectData(
@@ -2296,6 +2304,14 @@ namespace OpenSim.Region.Environment.Scenes
             }
         }
 
+        public void SetForce(PhysicsVector force)
+        {
+            if (PhysActor != null)
+            {
+                PhysActor.Force = force;
+            }
+        }
+
         public void SetGroup(LLUUID groupID, IClientAPI client)
         {
             _groupID = groupID;

OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPlugin.cs

@@ -332,6 +332,7 @@ namespace OpenSim.Region.Physics.BasicPhysicsPlugin
         public override PhysicsVector Force
         {
             get { return PhysicsVector.Zero; }
+            set { return; }
         }
 
         public override PhysicsVector CenterOfMass

OpenSim/Region/Physics/BulletXPlugin/BulletXPlugin.cs

@@ -943,6 +943,7 @@ namespace OpenSim.Region.Physics.BulletXPlugin
         public override PhysicsVector Force
         {
             get { return PhysicsVector.Zero; }
+            set { return; }
         }
 
         public override PhysicsVector CenterOfMass

OpenSim/Region/Physics/Manager/PhysicsActor.cs

@@ -173,7 +173,7 @@ namespace OpenSim.Region.Physics.Manager
 
         public abstract PhysicsVector Position { get; set; }
         public abstract float Mass { get; }
-        public abstract PhysicsVector Force { get; }
+        public abstract PhysicsVector Force { get; set; }
         public abstract PhysicsVector GeometricCenter { get; }
         public abstract PhysicsVector CenterOfMass { get; }
         public abstract PhysicsVector Velocity { get; set; }
@@ -277,6 +277,7 @@ namespace OpenSim.Region.Physics.Manager
         public override PhysicsVector Force
         {
             get { return PhysicsVector.Zero; }
+            set { return; }
         }
 
         public override PhysicsVector CenterOfMass

OpenSim/Region/Physics/OdePlugin/ODECharacter.cs

@@ -534,6 +534,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         public override PhysicsVector Force
         {
             get { return new PhysicsVector(_target_velocity.X, _target_velocity.Y, _target_velocity.Z); }
+            set { return; }
         }
 
         public override PhysicsVector CenterOfMass

OpenSim/Region/Physics/OdePlugin/ODEPrim.cs

@@ -103,6 +103,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         private CollisionLocker ode;
 
         private bool m_taintforce = false;
+        private PhysicsVector m_force = new PhysicsVector(0.0f, 0.0f, 0.0f);
         private List<PhysicsVector> m_forcelist = new List<PhysicsVector>();
 
         private IMesh _mesh;
@@ -749,7 +750,7 @@ namespace OpenSim.Region.Physics.OdePlugin
                     changeshape(timestep);
                 //
 
-                if (m_taintforce)
+                if (m_taintforce || m_force != new PhysicsVector(0.0f, 0.0f, 0.0f))
                     changeAddForce(timestep);
 
                 if (m_taintdisable)
@@ -1751,7 +1752,8 @@ namespace OpenSim.Region.Physics.OdePlugin
                     //m_log.Info("[PHYSICS]: dequeing forcelist");
                     if (IsPhysical)
                     {
-                        PhysicsVector iforce = new PhysicsVector();
+                        //PhysicsVector iforce = new PhysicsVector();
+                        PhysicsVector iforce = m_force * 100.0f;
                         for (int i = 0; i < m_forcelist.Count; i++)
                         {
                             iforce = iforce + (m_forcelist[i] * 100);
@@ -1856,7 +1858,9 @@ namespace OpenSim.Region.Physics.OdePlugin
 
         public override PhysicsVector Force
         {
-            get { return PhysicsVector.Zero; }
+            //get { return PhysicsVector.Zero; }
+            get { return m_force; }
+            set { m_force = value; }
         }
 
         public override PhysicsVector CenterOfMass

OpenSim/Region/Physics/POSPlugin/POSCharacter.cs

@@ -156,6 +156,7 @@ namespace OpenSim.Region.Physics.POSPlugin
         public override PhysicsVector Force
         {
             get { return PhysicsVector.Zero; }
+            set { return; }
         }
 
         public override PhysicsVector CenterOfMass

OpenSim/Region/Physics/POSPlugin/POSPrim.cs

@@ -118,6 +118,7 @@ namespace OpenSim.Region.Physics.POSPlugin
         public override PhysicsVector Force
         {
             get { return PhysicsVector.Zero; }
+            set { return; }
         }
 
         public override PhysicsVector CenterOfMass

OpenSim/Region/Physics/PhysXPlugin/PhysXPlugin.cs

@@ -340,6 +340,7 @@ namespace OpenSim.Region.Physics.PhysXPlugin
         public override PhysicsVector Force
         {
             get { return PhysicsVector.Zero; }
+            set { return; }
         }
 
         public override PhysicsVector CenterOfMass
@@ -669,6 +670,7 @@ namespace OpenSim.Region.Physics.PhysXPlugin
         public override PhysicsVector Force
         {
             get { return PhysicsVector.Zero; }
+            set { return; }
         }
 
         public override PhysicsVector CenterOfMass

OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs

@@ -42,6 +42,7 @@ using OpenSim.Region.Environment.Interfaces;
 using OpenSim.Region.Environment.Modules.Avatar.Currency.SampleMoney;
 using OpenSim.Region.Environment.Modules.World.Land;
 using OpenSim.Region.Environment.Scenes;
+using OpenSim.Region.Physics.Manager;
 using OpenSim.Region.ScriptEngine.Common.ScriptEngineBase;
 
 //using OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL;
@@ -1578,14 +1579,40 @@ namespace OpenSim.Region.ScriptEngine.Common
         public void llSetForce(LSL_Types.Vector3 force, int local)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llSetForce");
+            //NotImplemented("llSetForce");
+
+            if (m_host.ParentGroup != null)
+            {
+                if (m_host.ParentGroup.RootPart != null)
+                {
+                    if (local != 0)
+                        force *= llGetRot();
+
+                    m_host.ParentGroup.RootPart.SetForce(new PhysicsVector((float)force.x, (float)force.y, (float)force.z));
+                }
+            }
         }
 
         public LSL_Types.Vector3 llGetForce()
         {
+            LSL_Types.Vector3 force = new LSL_Types.Vector3(0.0, 0.0, 0.0);
+
             m_host.AddScriptLPS(1);
-            NotImplemented("llGetForce");
+            //NotImplemented("llGetForce");
-            return new LSL_Types.Vector3();
+            //return new LSL_Types.Vector3();
+
+            if (m_host.ParentGroup != null)
+            {
+                if (m_host.ParentGroup.RootPart != null)
+                {
+                    PhysicsVector tmpForce = m_host.ParentGroup.RootPart.GetForce();
+                    force.x = tmpForce.X;
+                    force.y = tmpForce.Y;
+                    force.z = tmpForce.Z;
+                }
+            }
+
+            return force;
         }
 
         public LSL_Types.LSLInteger llTarget(LSL_Types.Vector3 position, double range)

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs

@@ -43,6 +43,7 @@ using OpenSim.Region.Environment.Interfaces;
 using OpenSim.Region.Environment.Modules.Avatar.Currency.SampleMoney;
 using OpenSim.Region.Environment.Modules.World.Land;
 using OpenSim.Region.Environment.Scenes;
+using OpenSim.Region.Physics.Manager;
 using OpenSim.Region.ScriptEngine.Shared;
 using OpenSim.Region.ScriptEngine.Shared.Api.Plugins;
 using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
@@ -1430,14 +1431,40 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public void llSetForce(LSL_Types.Vector3 force, int local)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llSetForce");
+            //NotImplemented("llSetForce");
+
+            if (m_host.ParentGroup != null)
+            {
+                if (m_host.ParentGroup.RootPart != null)
+                {
+                    if (local != 0)
+                        force *= llGetRot();
+
+                    m_host.ParentGroup.RootPart.SetForce(new PhysicsVector((float)force.x, (float)force.y, (float)force.z));
+                }
+            }
         }
 
         public LSL_Types.Vector3 llGetForce()
         {
+            LSL_Types.Vector3 force = new LSL_Types.Vector3(0.0, 0.0, 0.0);
+
             m_host.AddScriptLPS(1);
-            NotImplemented("llGetForce");
+            //NotImplemented("llGetForce");
-            return new LSL_Types.Vector3();
+            //return new LSL_Types.Vector3();
+
+            if (m_host.ParentGroup != null)
+            {
+                if (m_host.ParentGroup.RootPart != null)
+                {
+                    PhysicsVector tmpForce = m_host.ParentGroup.RootPart.GetForce();
+                    force.x = tmpForce.X;
+                    force.y = tmpForce.Y;
+                    force.z = tmpForce.Z;
+                }
+            }
+
+            return force;
         }
 
         public LSL_Types.LSLInteger llTarget(LSL_Types.Vector3 position, double range)