public InstancedSkinnedSceneObject(GraphicsDevice graphicsDevice, ISkinnedInstanceSource source, DeferredSasEffect sourceEffect)
: base()
{
_maxInstances = 15;
_instancesCount = 0;
_graphicsDevice = graphicsDevice;
_sourceEffect = sourceEffect;
_boundingSphere = new BoundingSphere(Vector3.Zero, float.MaxValue);
_boundingBox = BoundingBox.CreateFromSphere(_boundingSphere);
_model = source;
_animationTexture = _model.InstancedSkinningData.AnimationTexture;
base.Visibility = ObjectVisibility.RenderedAndCastShadows;
base.UpdateType = UpdateType.Automatic;
BuildRenderableMeshes(_model.Model);
InitializeInstanceData();
InitializeEffect();
}
public InstancedSkinnedSceneObject(GraphicsDevice graphicsDevice, ISkinnedInstanceSource source, DeferredSasEffect sourceEffect)
: base()
{
_maxInstances = 15;
_instancesCount = 0;
_graphicsDevice = graphicsDevice;
_sourceEffect = sourceEffect;
_boundingSphere = new BoundingSphere(Vector3.Zero, float.MaxValue);
_boundingBox = BoundingBox.CreateFromSphere(_boundingSphere);
_model = source;
_animationTexture = _model.InstancedSkinningData.AnimationTexture;
base.Visibility = ObjectVisibility.RenderedAndCastShadows;
base.UpdateType = UpdateType.Automatic;
BuildRenderableMeshes(_model.Model);
InitializeInstanceData();
InitializeEffect();
}
protected internal SkinnedInstanceFactory(GraphicsDevice graphicsDevice, ISkinnedInstanceSource source, DeferredSasEffect shader)
{
_graphicsDevice = graphicsDevice;
_source = source;
_shader = shader;
}
public SkinnedInstanceFactory CreateSkinnedInstanceFactory(ISkinnedInstanceSource source, DeferredSasEffect shader)
{
var skinnedInstanceFactory = new SkinnedInstanceFactory(_graphicsDeviceService.GraphicsDevice, source, shader);
_skinnedInstanceFactories.Add(skinnedInstanceFactory);
return skinnedInstanceFactory;
}
protected internal SkinnedInstanceFactory(GraphicsDevice graphicsDevice, ISkinnedInstanceSource source, DeferredSasEffect shader)
{
_graphicsDevice = graphicsDevice;
_source = source;
_shader = shader;
}
private void BuildRenderableMeshes(Model model)
{
List <short> indices = new List <short>();
List <InstancedVertexPositionNormalTextureBumpSkin> vertices = new List <InstancedVertexPositionNormalTextureBumpSkin>();
Dictionary <int, int> indexRemap = new Dictionary <int, int>();
// Get the model transforms for baking down vertices into object space (XNA Models are stored in mesh space).
Matrix[] boneArray = new Matrix[model.Bones.Count];
model.CopyAbsoluteBoneTransformsTo(boneArray);
foreach (ModelMesh modelMesh in model.Meshes)
{
Debug.WriteLine("Building " + modelMesh.Name);
Matrix meshToObject = boneArray[modelMesh.ParentBone.Index];
for (int p = 0; p < modelMesh.MeshParts.Count; p++)
{
ModelMeshPart modelMeshPart = modelMesh.MeshParts[p];
int vertexCount = modelMeshPart.VertexBuffer.VertexCount;
int indexCount = modelMeshPart.IndexBuffer.IndexCount;
indexRemap.Clear();
vertices.Clear();
indices.Clear();
// Create a material for this meshpart
// TODO: Group data by effects
DeferredSasEffect partEffect = (DeferredSasEffect)_sourceEffect.Clone();
partEffect.Parameters["AnimationTexture"].SetValue(_animationTexture);
partEffect.Parameters["BoneDelta"].SetValue(1f / _animationTexture.Width);
partEffect.Parameters["RowDelta"].SetValue(1f / _animationTexture.Height);
DeferredObjectEffect effect = (DeferredObjectEffect)modelMeshPart.Effect;
partEffect.Parameters["DiffuseTexture"].SetValue(effect.DiffuseMapTexture);
short[] sourceIndices = new short[modelMeshPart.PrimitiveCount * 3];
modelMeshPart.IndexBuffer.GetData <short>(modelMeshPart.StartIndex * 2, sourceIndices, 0, modelMeshPart.PrimitiveCount * 3);
InstancedVertexPositionNormalTextureBumpSkin[] sourceVertices = new InstancedVertexPositionNormalTextureBumpSkin[modelMeshPart.NumVertices];
modelMeshPart.VertexBuffer.GetData <InstancedVertexPositionNormalTextureBumpSkin>(modelMeshPart.VertexOffset * modelMeshPart.VertexBuffer.VertexDeclaration.VertexStride, sourceVertices, 0, modelMeshPart.NumVertices, modelMeshPart.VertexBuffer.VertexDeclaration.VertexStride);
for (int instance = 0; instance < _maxInstances; instance++)
{
for (int i = 0; i < sourceIndices.Length; i++)
{
indices.Add((short)((sourceIndices[i]) + (instance * sourceVertices.Length)));
}
for (int i = 0; i < sourceVertices.Length; i++)
{
sourceVertices[i].TextureCoordinate2 = new Vector2(instance, 0);
vertices.Add(sourceVertices[i]);
}
}
VertexBuffer vertexBuffer = new VertexBuffer(_graphicsDevice, typeof(InstancedVertexPositionNormalTextureBumpSkin), vertices.Count, BufferUsage.None);
vertexBuffer.SetData <InstancedVertexPositionNormalTextureBumpSkin>(vertices.ToArray());
IndexBuffer indexBuffer = new IndexBuffer(_graphicsDevice, IndexElementSize.SixteenBits, indices.Count, BufferUsage.None);
indexBuffer.SetData <short>(indices.ToArray());
RenderableMesh renderableMesh = new RenderableMesh();
renderableMesh.Build(this, partEffect, Matrix.Identity, _boundingSphere, _boundingBox,
indexBuffer, vertexBuffer, 0, PrimitiveType.TriangleList, indexBuffer.IndexCount / 3, 0, vertexBuffer.VertexCount, 0, true);
base.Add(renderableMesh);
}
}
}
public SkinnedInstanceFactory CreateSkinnedInstanceFactory(ISkinnedInstanceSource source, DeferredSasEffect shader)
{
var skinnedInstanceFactory = new SkinnedInstanceFactory(_graphicsDeviceService.GraphicsDevice, source, shader);
_skinnedInstanceFactories.Add(skinnedInstanceFactory);
return(skinnedInstanceFactory);
}
