// Set parameter on a specific or all instances.
// Return 'false' if not able to set the parameter.
// Setting the value in the m_params block will change the value the physics engine
// will use the next time since it's pinned and shared memory.
// Some of the values require calling into the physics engine to get the new
// value activated ('terrainFriction' for instance).
public bool SetPhysicsParameter(string parm, float val, uint localID)
{
bool ret = false;
BSParam.ParameterDefn theParam;
if (BSParam.TryGetParameter(parm, out theParam))
{
theParam.setter(this, parm, localID, val);
ret = true;
}
return(ret);
}
// Get parameter.
// Return 'false' if not able to get the parameter.
public bool GetPhysicsParameter(string parm, out string value)
{
string val = String.Empty;
bool ret = false;
BSParam.ParameterDefnBase theParam;
if (BSParam.TryGetParameter(parm, out theParam))
{
val = theParam.GetValue(this);
ret = true;
}
value = val;
return(ret);
}
// Get parameter.
// Return 'false' if not able to get the parameter.
public bool GetPhysicsParameter(string parm, out float value)
{
float val = 0f;
bool ret = false;
BSParam.ParameterDefn theParam;
if (BSParam.TryGetParameter(parm, out theParam))
{
val = theParam.getter(this);
ret = true;
}
value = val;
return(ret);
}
// Set parameter on a specific or all instances.
// Return 'false' if not able to set the parameter.
// Setting the value in the m_params block will change the value the physics engine
// will use the next time since it's pinned and shared memory.
// Some of the values require calling into the physics engine to get the new
// value activated ('terrainFriction' for instance).
public bool SetPhysicsParameter(string parm, string val, uint localID)
{
bool ret = false;
BSParam.ParameterDefnBase theParam;
if (BSParam.TryGetParameter(parm, out theParam))
{
// Set the value in the C# code
theParam.SetValue(this, val);
// Optionally set the parameter in the unmanaged code
if (theParam.HasSetOnObject)
{
// update all the localIDs specified
// If the local ID is APPLY_TO_NONE, just change the default value
// If the localID is APPLY_TO_ALL change the default value and apply the new value to all the lIDs
// If the localID is a specific object, apply the parameter change to only that object
List <uint> objectIDs = new List <uint>();
switch (localID)
{
case PhysParameterEntry.APPLY_TO_NONE:
// This will cause a call into the physical world if some operation is specified (SetOnObject).
objectIDs.Add(TERRAIN_ID);
TaintedUpdateParameter(parm, objectIDs, val);
break;
case PhysParameterEntry.APPLY_TO_ALL:
lock (PhysObjects) objectIDs = new List <uint>(PhysObjects.Keys);
TaintedUpdateParameter(parm, objectIDs, val);
break;
default:
// setting only one localID
objectIDs.Add(localID);
TaintedUpdateParameter(parm, objectIDs, val);
break;
}
}
ret = true;
}
return(ret);
}
// schedule the actual updating of the paramter to when the phys engine is not busy
private void TaintedUpdateParameter(string parm, List <uint> lIDs, float val)
{
float xval = val;
List <uint> xlIDs = lIDs;
string xparm = parm;
TaintedObject("BSScene.UpdateParameterSet", delegate() {
BSParam.ParameterDefn thisParam;
if (BSParam.TryGetParameter(xparm, out thisParam))
{
if (thisParam.onObject != null)
{
foreach (uint lID in xlIDs)
{
BSPhysObject theObject = null;
PhysObjects.TryGetValue(lID, out theObject);
thisParam.onObject(this, theObject, xval);
}
}
}
});
}
// schedule the actual updating of the paramter to when the phys engine is not busy
private void TaintedUpdateParameter(string parm, List <uint> lIDs, string val)
{
string xval = val;
List <uint> xlIDs = lIDs;
string xparm = parm;
TaintedObject("BSScene.UpdateParameterSet", delegate() {
BSParam.ParameterDefnBase thisParam;
if (BSParam.TryGetParameter(xparm, out thisParam))
{
if (thisParam.HasSetOnObject)
{
foreach (uint lID in xlIDs)
{
BSPhysObject theObject = null;
if (PhysObjects.TryGetValue(lID, out theObject))
{
thisParam.SetOnObject(this, theObject);
}
}
}
}
});
}
