/// <summary>
/// Copies a transform of each bone in a model relative to all parent bones of the bone into a given array.
/// </summary>
/// <param name="destinationBoneTransforms">The array to receive bone transforms.</param>
/// <exception cref="System.ArgumentNullException">destinationBoneTransforms</exception>
/// <exception cref="System.ArgumentOutOfRangeException">destinationBoneTransforms</exception>
public void CopyAbsoluteBoneTransformsTo(Matrix[] destinationBoneTransforms)
{
if (destinationBoneTransforms == null)
{
throw new ArgumentNullException("destinationBoneTransforms");
}
if (destinationBoneTransforms.Length < Bones.Count)
{
throw new ArgumentOutOfRangeException("destinationBoneTransforms");
}
int count = Bones.Count;
for (int i = 0; i < count; i++)
{
ModelBone bone = Bones[i];
if (bone.Parent == null)
{
destinationBoneTransforms[i] = bone.Transform;
}
else
{
destinationBoneTransforms[i] = bone.Transform * destinationBoneTransforms[bone.Parent.Index];
}
}
}
protected virtual void ReadBone(ref ModelBone bone)
{
// Read ModelBone index
bone.Index = Reader.ReadInt32();
// Read Parent Index
int parentIndex = Reader.ReadInt32();
if (parentIndex > Model.Bones.Count)
{
throw new InvalidOperationException("Invalid index for parent bone");
}
bone.Parent = parentIndex >= 0 ? Model.Bones[parentIndex] : null;
// Transform
Serialize(ref bone.Transform);
// Name
string boneName = null;
Serialize(ref boneName, false, SerializeFlags.Nullable);
bone.Name = boneName;
// Indices
List <int> indices = null;
Serialize(ref indices, Serialize, SerializeFlags.Nullable);
if (indices != null)
{
bone.Children = CreateModelBoneCollection(indices.Count);
bone.Children.ChildIndices = indices;
}
}
public Windmill(LarvContent lContent, Vector3 location)
: base(lContent.TextureEffect)
{
World = Matrix.Scaling(0.004f)*Matrix.RotationY(1)*Matrix.Translation(location);
_model = lContent.Load<Model>("models/windmillf");
_texture = lContent.Load<Texture2D>("models/windmill_diffuse");
_animatedBone = _model.Meshes.Single(mesh => mesh.Name == "Fan").ParentBone;
_originalBoneTransformation = Matrix.Translation(0, 850, 0);
}
/// <summary>
/// Copies a transform of each bone in a model relative to all parent bones of the bone into a given array.
/// </summary>
/// <param name="destinationBoneTransformsPtr">The array to receive bone transforms. Length of the allocated array must be at least == sizeof(Matrix) * Bones.Count</param>
/// <exception cref="System.ArgumentNullException">destinationBoneTransforms</exception>
public unsafe void CopyAbsoluteBoneTransformsTo(IntPtr destinationBoneTransformsPtr)
{
if (destinationBoneTransformsPtr == IntPtr.Zero)
{
throw new ArgumentNullException("destinationBoneTransforms");
}
var destinationBoneTransforms = (Matrix *)destinationBoneTransformsPtr;
int count = Bones.Count;
for (int i = 0; i < count; i++)
{
ModelBone bone = Bones[i];
if (bone.Parent == null)
{
destinationBoneTransforms[i] = bone.Transform;
}
else
{
destinationBoneTransforms[i] = bone.Transform * destinationBoneTransforms[bone.Parent.Index];
}
}
}