/// <summary>
///
/// </summary>
/// <param name="geom"></param>
public override void Init(PagedGeometry geom)
{
mSceneMgr = geom.SceneManager;
mBatch = new BatchedGeometry(mSceneMgr, geom.SceneNode);
mFadeEnabled = false;
RenderSystemCapabilities caps = Root.Singleton.RenderSystem.Capabilities;
if (caps.HasCapability(Capabilities.VertexPrograms))
mShadersSupported = true;
else
mShadersSupported = false;
++mRefCount;
}
/// <summary>
///
/// </summary>
/// <param name="parent"></param>
/// <param name="ent"></param>
public SubBatch(BatchedGeometry parent, SubEntity ent) {
mMeshType = ent.SubMesh;
mParent = parent;
mBuild = false;
mRequireVertexColors = false;
// Material must always exist
Material origMat = (Material)MaterialManager.Instance.GetByName(ent.MaterialName);
if (origMat != null) {
material = (Material)MaterialManager.Instance.GetByName(GetMaterialClone(origMat).Name);
}
else {
Tuple<Resource, bool> result = MaterialManager.Instance.CreateOrRetrieve("PagedGeometry_Batched_Material", "General");
if (result.First == null)
throw new Exception("BatchedGeometry failed to create a material for entity with invalid material.");
material = (Material)result.First;
}
//Setup vertex/index data structure
vertexData = mMeshType.vertexData.Clone(false);
indexData = mMeshType.indexData.Clone(false);
//Remove blend weights from vertex format
VertexElement blendIndices = vertexData.vertexDeclaration.FindElementBySemantic(VertexElementSemantic.BlendIndices);
VertexElement blendWeights = vertexData.vertexDeclaration.FindElementBySemantic(VertexElementSemantic.BlendWeights);
if (blendIndices != null && blendWeights != null) {
Debug.Assert(blendIndices.Source == blendWeights.Source, "Blend indices and weights should be in the same buffer");
Debug.Assert(blendIndices.Size + blendWeights.Size == vertexData.vertexBufferBinding.GetBuffer(blendIndices.Source).VertexSize,
"Blend indices and blend buffers should have buffer to themselves!");
//Remove the blend weights
vertexData.vertexBufferBinding.UnsetBinding(blendIndices.Source);
vertexData.vertexDeclaration.RemoveElement(VertexElementSemantic.BlendIndices);
vertexData.vertexDeclaration.RemoveElement(VertexElementSemantic.BlendWeights);
}
//Reset vertex/index count
vertexData.vertexStart = 0;
vertexData.vertexCount = 0;
indexData.indexStart = 0;
indexData.indexCount = 0;
}
