void MeshRenderer::Update(GameTime* gameTime,GraphicsDevice* graphicsDevice)
{
int drawCalls = 0;
int triangles = 0;
if(_mesh != NULL)
{
VertexBuffer* vertexBuffer = _mesh->GetVertexBuffer();
IndexBuffer* indexBuffer = _mesh->GetIndexBuffer();
//Set the per object uniforms of the game object(for example - the world matrix)
_material->SetObjectUniforms(graphicsDevice, GetGameObject());
vertexBuffer->BindBuffer();
//Draw the mesh
unsigned int numberOfAttributeInformations = vertexBuffer->GetNumberOfAttributeInfos();
for(unsigned int i = 0; i < numberOfAttributeInformations; i++)
{
const VertexAttributeInformation& thisInfo = vertexBuffer->GetVertexAttributeInformation(i);
graphicsDevice->EnableVertexAttribute(thisInfo.GetIndex());
graphicsDevice->SetVertexAttribute(thisInfo.GetIndex(),
thisInfo.GetSize(),
thisInfo.GetType(),
thisInfo.GetIsNormalized(),
thisInfo.GetStride(),
thisInfo.GetOffset());
}
//Bind the index buffer
indexBuffer->BindBuffer();
//DRAW
graphicsDevice->DrawElements(GraphicsPrimitiveType::Triangles(), indexBuffer->GetNumberOfElements(), indexBuffer->GetIndexDataType(), (void*)0);
drawCalls++;
triangles += indexBuffer->GetNumberOfElements() / 3;
for(unsigned int i = 0; i < numberOfAttributeInformations; i++)
{
graphicsDevice->DisableVertexAttribute(vertexBuffer->GetVertexAttributeInformation(i).GetIndex());
}
indexBuffer->UnbindBuffer();
vertexBuffer->UnbindBuffer();
}
SetNumberOfDrawCalls(drawCalls);
SetNumberOfTriangles(triangles);
}
