//
// Calls applyRotationLocks && applyRotationLimits
// This method verifies that the passed value can be set on the
// rotate plugs. In the base class, limits as well as locking are
// checked by this method.
//
// The compute, validateAndSetValue, and rotateTo functions
// all use this method.
//
protected override void checkAndSetRotation(MDataBlock block, MPlug plug, MEulerRotation newRotation, MSpace.Space space)
{
MDGContext context = block.context;
updateMatrixAttrs(context);
MEulerRotation outRotation = newRotation;
if (context.isNormal)
{
// For easy reading.
//
MPxTransformationMatrix xformMat = baseTransformationMatrix;
// Get the current translation in transform space for
// clamping and locking.
//
MEulerRotation savedRotation =
xformMat.eulerRotation(MSpace.Space.kTransform);
// Translate to transform space, since the limit test needs the
// values in transform space. The locking test needs the values
// in the same space as the savedR value - which is transform
// space as well.
//
baseTransformationMatrix.rotateTo(newRotation, space);
outRotation = xformMat.eulerRotation(MSpace.Space.kTransform);
// Now that everything is in the same space, apply limits
// and change the value to adhere to plug locking.
//
outRotation = applyRotationLimits(outRotation, block);
outRotation = applyRotationLocks(outRotation, savedRotation);
// The value that remain is in transform space.
//
xformMat.rotateTo(outRotation, MSpace.Space.kTransform);
// Get the value that was just set. It needs to be in transform
// space since it is used to set the datablock values at the
// end of this method. Getting the vaolue right before setting
// ensures that the transformation matrix and data block will
// be synchronized.
//
outRotation = xformMat.eulerRotation(MSpace.Space.kTransform);
}
else
{
// Get the rotation for clamping and locking. This will get the
// rotate value in transform space.
//
double[] s3 = block.inputValue(rotate).Double3;
MEulerRotation savedRotation = new MEulerRotation(s3[0], s3[1], s3[2]);
// Create a local transformation matrix for non-normal context
// calculations.
//
MPxTransformationMatrix local = createTransformationMatrix();
if (null == local)
{
throw new InvalidOperationException("rockingTransformCheck::checkAndSetRotation internal error");
}
// Fill the newly created transformation matrix.
//
computeLocalTransformation(local, block);
// Translate the values to transform space. This will allow the
// limit and locking tests to work properly.
//
local.rotateTo(newRotation, space);
outRotation = local.eulerRotation(MSpace.Space.kTransform);
// Apply limits
//
outRotation = applyRotationLimits(outRotation, block);
outRotation = applyRotationLocks(outRotation, savedRotation);
local.rotateTo(outRotation, MSpace.Space.kTransform);
// Get the rotate value in transform space for placement in the
// data block.
//
outRotation = local.eulerRotation(MSpace.Space.kTransform);
local.Dispose();
}
MDataHandle handle = block.outputValue(plug);
if (plug.equalEqual(rotate))
{
handle.set(outRotation.x, outRotation.y, outRotation.z);
}
else if (plug.equalEqual(rotateX))
{
handle.set(outRotation.x);
}
else if (plug.equalEqual(rotateY))
{
handle.set(outRotation.y);
}
else
{
handle.set(outRotation.z);
}
return;
}
