private void CreateRender()
{
int screenWidth = MdxRender.Device.Viewport.Width;
int screenHeight = MdxRender.Device.Viewport.Height;
float dist2 = RadiosityHelper.GatherDistance * RadiosityHelper.GatherDistance;
Bitmap renderBitm;// = new Bitmap(screenWidth, screenHeight);
float[,,] hdr = new float[screenWidth, screenHeight, 3];
ChangeStage(RadiosityStage.TextureGeneration, screenWidth * screenHeight);
SetOperation("Rendering...");
int tenPercent = screenWidth / 10;
int left = screenWidth / 2 - tenPercent;
int right = screenWidth / 2 + tenPercent;
for (int y = 0; y < screenHeight; y++)
{
for (int x = 0; x < screenWidth; x++)
{
Vector3 direction, origin;
MdxRender.CalculatePickRayWorld(x, y, out direction, out origin);
//AddDebugRay(origin, direction);
RadiosityIntersection intersect = m_bsp[0].RadiosityIntersect(origin, direction);
//AddDebugPoint(intersect.Position);
if (!intersect.NoIntersection)
{
Vector3 normal = m_bsp[0].GetFaceNormal(intersect.LightmapIndex, intersect.MaterialIndex, intersect.FaceIndex);
List <CompressedPhoton> photons = photonMap.RetrieveNearestNeighbors((PhotonVector3)intersect.Position, dist2, 10000);
RealColor sum = RealColor.Black.Copy();//new RealColor(photons.Count, photons.Count, photons.Count);
if (photons.Count == 0)
{
System.Diagnostics.Debugger.Break();
}
foreach (CompressedPhoton phot in photons)
{
float dotP = Vector3.Dot(-phot.Direction, normal);
if (dotP < 0)
{
dotP = 0;
}
sum.Add(phot.Power.Copy().Multiply(dotP));
}
if ((sum.G > sum.B) && (sum.G > sum.R))
{
if (x >= left)
{
if (x <= right)
{
if (photons.Count > 100)
{
AddDebugRay(origin, direction);
AddDebugPoint(origin);
foreach (var photon in photons)
{
AddDebugPoint(photon.position.ToVector3());
}
}
}
}
//System.Diagnostics.Debugger.Break();
}
//sum.Multiply(1 / (dist2 * (float)Math.PI));
//sum.Multiply(intersect.Material.AmbientLight);
for (int c = 0; c < 3; c++)
{
hdr[x, y, c] = sum[c];
}
}
else
{
hdr[x, y, 0] = 0;
hdr[x, y, 1] = 0;
hdr[x, y, 2] = 0;
}
IncrementProgress();
}
}
//renderBitm = LinearTonemap(hdr);
Bitmap tempBitmap = new Bitmap(screenWidth, screenHeight);
//Graphics g = Graphics.FromImage(tempBitmap);
//g.DrawImage(renderBitm, 0, 0);
//g.Dispose();
//renderBitm.Dispose();
tempBitmap.Save(@"C:\Users\David\render.bmp");
return;
}