ODEPlugin

* Added osSetPrimFloatOnWater(BOOL) to make Physical prim float at the water level.   
* osSetPrimFloatOnWater(TRUE); or osSetPrimFloatOnWater(FALSE);
* By default, prim do not float at the water level.
* More work is needed on the floating, but it's a start.

2 files changed, 37 insertions, 0 deletions

diff --git a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
index 7047ec1..9bbbb22 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
@@ -185,6 +185,11 @@ namespace OpenSim.Region.Physics.OdePlugin
             set { m_buoyancy = value; }
         }
 
+        public override bool FloatOnWater
+        {
+            set { return; }
+        }
+
         public override bool IsPhysical
         {
             get { return false; }
diff --git a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
index 5291cbf..7cdc558 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
@@ -73,6 +73,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         public bool m_disabled = false;
         public bool m_taintadd = false;
         public bool m_taintselected = false;
+        public bool m_taintCollidesWater = false;
 
 
         public uint m_localID = 0;
@@ -739,6 +740,11 @@ namespace OpenSim.Region.Physics.OdePlugin
 
                 if (m_taintparent != _parent)
                     changelink(timestep);
+
+                if (m_taintCollidesWater != m_collidesWater)
+                    changefloatonwater(timestep);
+
+
             }
             else
             {
@@ -1333,6 +1339,24 @@ namespace OpenSim.Region.Physics.OdePlugin
             m_taintsize = _size;
         }
 
+        public void changefloatonwater(float timestep)
+        {
+            m_collidesWater = m_taintCollidesWater;
+
+            if (prim_geom != (IntPtr)0)
+            {
+                if (m_collidesWater)
+                {
+                    m_collisionFlags |= CollisionCategories.Water;
+                }
+                else 
+                {
+                    m_collisionFlags &= ~CollisionCategories.Water;
+                }
+                d.GeomSetCollideBits(prim_geom, (int)m_collisionFlags);
+            }
+        }
+
         public void changeshape(float timestamp)
         {
            
@@ -1895,6 +1919,14 @@ namespace OpenSim.Region.Physics.OdePlugin
             }
         }
 
+        public override bool FloatOnWater
+        {
+            set {
+                m_taintCollidesWater = value;
+                _parent_scene.AddPhysicsActorTaint(this);
+            }
+        }
+
         public override void SetMomentum(PhysicsVector momentum)
         {
         }