static void TransferDataCustomProjections()
{
var mapping = MyMapping.MapDiscard(RC, m_cbCustomProjections);
for (int i = 0; i < MyRenderProxy.BillboardsViewProjectionRead.Count; i++)
{
MyBillboardViewProjection viewprojection = MyRenderProxy.BillboardsViewProjectionRead[i];
var scaleX = viewprojection.Viewport.Width / (float)MyRender11.ViewportResolution.X;
var scaleY = viewprojection.Viewport.Height / (float)MyRender11.ViewportResolution.Y;
var offsetX = viewprojection.Viewport.OffsetX / (float)MyRender11.ViewportResolution.X;
var offsetY = (MyRender11.ViewportResolution.Y - viewprojection.Viewport.OffsetY - viewprojection.Viewport.Height)
/ (float)MyRender11.ViewportResolution.Y;
var viewportTransformation = new Matrix(
scaleX, 0, 0, 0,
0, scaleY, 0, 0,
0, 0, 1, 0,
offsetX, offsetY, 0, 1
);
var transpose = Matrix.Transpose(viewprojection.ViewAtZero * viewprojection.Projection * viewportTransformation);
mapping.WriteAndPosition(ref transpose);
}
for (int i = MyRenderProxy.BillboardsViewProjectionRead.Count; i < MAX_CUSTOM_PROJECTIONS_SIZE; i++)
{
mapping.WriteAndPosition(ref Matrix.Identity);
}
mapping.Unmap();
}
public static void AddBillboardViewProjection(int id, MyBillboardViewProjection billboardViewProjection)
{
MyBillboardViewProjection existingBillboardViewProjection;
if (!BillboardsViewProjectionWrite.TryGetValue(id, out existingBillboardViewProjection))
{
BillboardsViewProjectionWrite.Add(id, billboardViewProjection);
}
else
{
BillboardsViewProjectionWrite[id] = billboardViewProjection;
}
}