private void ReturnBuffers()
{
if (vertexList != null)
{
BufferPool11.ReturnPositionTextureList(vertexList);
vertexList = null;
}
if (childTriangleList != null)
{
for (int i = 0; i < 4; i++)
{
if (childTriangleList[i] != null)
{
BufferPool11.ReturnTriangleList(childTriangleList[i]);
childTriangleList[i] = null;
}
}
}
}
protected void ComputeBoundingSphere(Tile parent, double altitude)
{
InitializeGrids();
Vector3d[] pointList = BufferPool11.GetVector3dBuffer(vertexList.Count);
double scaleFactor = (1 + (altitude / DemScaleFactor));
if (DemEnabled)
{
for (int i = 0; i < vertexList.Count; i++)
{
pointList[i] = Vector3d.Scale(vertexList[i].Position, scaleFactor);
}
}
else
{
for (int i = 0; i < vertexList.Count; i++)
{
pointList[i] = vertexList[i].Position;
}
}
TopLeft = new Vector3d(Vector3d.Scale(bounds[0, 0].Position, scaleFactor));
BottomRight = new Vector3d(Vector3d.Scale(bounds[2, 2].Position, scaleFactor));
TopRight = new Vector3d(Vector3d.Scale(bounds[2, 0].Position, scaleFactor));
BottomLeft = new Vector3d(Vector3d.Scale(bounds[0, 2].Position, scaleFactor));
CalcSphere(pointList);
BufferPool11.ReturnVector3dBuffer(pointList);
if (Level == 5 || Level == 12)
{
localCenter = sphereCenter;
localCenter.Round();
}
else if (Level > 5)
{
localCenter = parent.localCenter;
}
ReturnBuffers();
}
public override bool CreateGeometry(RenderContext11 renderContext, bool uiThread)
{
if (texture == null)
{
if (this.texture == null)
{
if (TextureReady)
{
texture = BufferPool11.GetTexture(FileName);
double aspect = (double)texture.Width / (double)texture.Height;
if (aspect < 1.5)
{
domeMaster = true;
}
}
else
{
return(false);
}
}
iTileBuildCount++;
if (vertexBuffer == null)
{
vertexBuffer = new VertexBuffer11(typeof(PositionNormalTexturedX2), VertexCount, RenderContext11.PrepDevice);
indexBuffer = new IndexBuffer11[4];
OnCreateVertexBuffer(vertexBuffer);
sphereRadius = 1;
sphereCenter = new Vector3d(0, 0, 0);
}
}
ReadyToRender = true;
return(true);
}
public override void OnCreateVertexBuffer(VertexBuffer11 vb)
{
bool dem = DemEnabled;
if (!subDivided)
{
if (vertexList == null)
{
InitializeGrids();
}
for (int i = 0; i < 4; i++)
{
int count = subDivisionLevel;
while (count-- > 1)
{
List <Triangle> newList = BufferPool11.GetTriagleList();
foreach (Triangle tri in childTriangleList[i])
{
tri.SubDivide(newList, vertexList);
}
BufferPool11.ReturnTriangleList(childTriangleList[i]);
childTriangleList[i] = newList;
}
}
subDivided = true;
}
//for (int i = 0; i < 4; i++)
//{
// indexBuffer[i] = BufferPool11.GetShortIndexBuffer(childTriangleList[i].Count * 3);
//}
int indexCount = childTriangleList[0].Count * 3;
demIndex = 0;
try
{
// Create a vertex buffer
PositionNormalTexturedX2[] verts = (PositionNormalTexturedX2[])vb.Lock(0, 0); // Lock the buffer (which will return our structs)
int index = 0;
if (dem && level > 1)
{
demArray = new double[17 * 17];
if (backslash)
{
if (backslashYIndex == null)
{
tempBackslashYIndex = new byte[demSize];
tempBackslashXIndex = new byte[demSize];
}
}
else
{
if (slashYIndex == null)
{
tempSlashYIndex = new byte[demSize];
tempSlashXIndex = new byte[demSize];
}
}
}
foreach (PositionTexture vert in vertexList)
{
if (dem)
{
// todo map this with backslash as well
verts[index++] = GetMappedVertex(vert);
}
else
{
verts[index++] = vert.PositionNormalTextured(localCenter, backslash);
}
demIndex++;
}
vb.Unlock();
TriangleCount = childTriangleList[0].Count * 4;
int quarterDivisions = SubDivisions / 2;
int part = 0;
foreach (List <Triangle> triList in childTriangleList)
{
if (GetIndexBuffer(part, 0) == null)
{
short[] indexArray = new short[indexCount];
int indexer = 0;
//dumpMutex.WaitOne();
//System.Diagnostics.Debug.WriteLine("start Index dump:" + part.ToString() + ";" + (backslash ? "Backslash" : "Slash"));
foreach (Triangle tri in triList)
{
indexArray[indexer++] = (short)tri.A;
indexArray[indexer++] = (short)tri.B;
indexArray[indexer++] = (short)tri.C;
//WriteDebugVertex(tri.A);
//WriteDebugVertex(tri.B);
//WriteDebugVertex(tri.C);
}
//System.Diagnostics.Debug.WriteLine("End Index dump");
//dumpMutex.ReleaseMutex();
ProcessIndexBuffer(indexArray, part);
}
part++;
}
if (backslash)
{
if (tempBackslashXIndex != null)
{
backslashXIndex = tempBackslashXIndex;
backslashYIndex = tempBackslashYIndex;
tempBackslashXIndex = null;
tempBackslashYIndex = null;
}
}
else
{
if (tempSlashYIndex != null)
{
slashXIndex = tempSlashXIndex;
slashYIndex = tempSlashYIndex;
tempSlashYIndex = null;
tempSlashXIndex = null;
}
}
}
catch
{
}
ReturnBuffers();
}
private void InitializeGrids()
{
vertexList = BufferPool11.GetPositionTextureList();
for (int i = 0; i < 4; i++)
{
if (childTriangleList[i] != null)
{
childTriangleList[i].Clear();
}
else
{
childTriangleList[i] = BufferPool11.GetTriagleList();
}
}
bounds = new PositionTexture[3, 3];
if (level > 0)
{
ToastTile parent = Parent as ToastTile;
if (parent == null)
{
return;
}
int xIndex = x % 2;
int yIndex = y % 2;
if (level > 1)
{
backslash = parent.backslash;
}
else
{
backslash = xIndex == 1 ^ yIndex == 1;
}
bounds[0, 0] = parent.bounds[xIndex, yIndex];
bounds[1, 0] = Midpoint(parent.bounds[xIndex, yIndex], parent.bounds[xIndex + 1, yIndex]);
bounds[2, 0] = parent.bounds[xIndex + 1, yIndex];
bounds[0, 1] = Midpoint(parent.bounds[xIndex, yIndex], parent.bounds[xIndex, yIndex + 1]);
if (backslash)
{
bounds[1, 1] = Midpoint(parent.bounds[xIndex, yIndex], parent.bounds[xIndex + 1, yIndex + 1]);
}
else
{
bounds[1, 1] = Midpoint(parent.bounds[xIndex + 1, yIndex], parent.bounds[xIndex, yIndex + 1]);
}
bounds[2, 1] = Midpoint(parent.bounds[xIndex + 1, yIndex], parent.bounds[xIndex + 1, yIndex + 1]);
bounds[0, 2] = parent.bounds[xIndex, yIndex + 1];
bounds[1, 2] = Midpoint(parent.bounds[xIndex, yIndex + 1], parent.bounds[xIndex + 1, yIndex + 1]);
bounds[2, 2] = parent.bounds[xIndex + 1, yIndex + 1];
if (Properties.Settings.Default.ShowElevationModel)
{
bounds[0, 0].Tu = 0;
bounds[0, 0].Tv = 0;
bounds[1, 0].Tu = .5f;
bounds[1, 0].Tv = 0;
bounds[2, 0].Tu = 1;
bounds[2, 0].Tv = 0;
bounds[0, 1].Tu = 0;
bounds[0, 1].Tv = .5f;
bounds[1, 1].Tu = .5f;
bounds[1, 1].Tv = .5f;
bounds[2, 1].Tu = 1;
bounds[2, 1].Tv = .5f;
bounds[0, 2].Tu = 0;
bounds[0, 2].Tv = 1;
bounds[1, 2].Tu = .5f;
bounds[1, 2].Tv = 1;
bounds[2, 2].Tu = 1;
bounds[2, 2].Tv = 1;
}
else
{
bounds[0, 0].Tu = 0 + .002f;
bounds[0, 0].Tv = 0 + .002f;
bounds[1, 0].Tu = .5f + .002f;
bounds[1, 0].Tv = 0 + .002f;
bounds[2, 0].Tu = 1 + .002f;
bounds[2, 0].Tv = 0 + .002f;
bounds[0, 1].Tu = 0 + .002f;
bounds[0, 1].Tv = .5f + .002f;
bounds[1, 1].Tu = .5f + .002f;
bounds[1, 1].Tv = .5f + .002f;
bounds[2, 1].Tu = 1 + .002f;
bounds[2, 1].Tv = .5f + .002f;
bounds[0, 2].Tu = 0 + .002f;
bounds[0, 2].Tv = 1 + .002f;
bounds[1, 2].Tu = .5f + .002f;
bounds[1, 2].Tv = 1 + .002f;
bounds[2, 2].Tu = 1 + .002f;
bounds[2, 2].Tv = 1 + .002f;
}
vertexList.Add(bounds[0, 0]);
vertexList.Add(bounds[1, 0]);
vertexList.Add(bounds[2, 0]);
vertexList.Add(bounds[0, 1]);
vertexList.Add(bounds[1, 1]);
vertexList.Add(bounds[2, 1]);
vertexList.Add(bounds[0, 2]);
vertexList.Add(bounds[1, 2]);
vertexList.Add(bounds[2, 2]);
if (backslash)
{
childTriangleList[0].Add(new Triangle(4, 1, 0));
childTriangleList[0].Add(new Triangle(3, 4, 0));
childTriangleList[1].Add(new Triangle(5, 2, 1));
childTriangleList[1].Add(new Triangle(4, 5, 1));
childTriangleList[2].Add(new Triangle(7, 4, 3));
childTriangleList[2].Add(new Triangle(6, 7, 3));
childTriangleList[3].Add(new Triangle(8, 5, 4));
childTriangleList[3].Add(new Triangle(7, 8, 4));
}
else
{
childTriangleList[0].Add(new Triangle(3, 1, 0));
childTriangleList[0].Add(new Triangle(4, 1, 3));
childTriangleList[1].Add(new Triangle(4, 2, 1));
childTriangleList[1].Add(new Triangle(5, 2, 4));
childTriangleList[2].Add(new Triangle(6, 4, 3));
childTriangleList[2].Add(new Triangle(7, 4, 6));
childTriangleList[3].Add(new Triangle(7, 5, 4));
childTriangleList[3].Add(new Triangle(8, 5, 7));
}
}
else
{
if (Properties.Settings.Default.ShowElevationModel)
{
bounds[0, 0] = new PositionTexture(0, -1, 0, 0, 0);
bounds[1, 0] = new PositionTexture(0, 0, -1, .5f, 0);
bounds[2, 0] = new PositionTexture(0, -1, 0, 1, 0);
bounds[0, 1] = new PositionTexture(1, 0, 0, 0, .5f);
bounds[1, 1] = new PositionTexture(0, 1, 0, .5f, .5f);
bounds[2, 1] = new PositionTexture(-1, 0, 0, 1, .5f);
bounds[0, 2] = new PositionTexture(0, -1, 0, 0, 1);
bounds[1, 2] = new PositionTexture(0, 0, 1, .5f, 1);
bounds[2, 2] = new PositionTexture(0, -1, 0, 1, 1);
}
else
{
bounds[0, 0] = new PositionTexture(0, -1, 0, 0 + .002f, 0 + .002f);
bounds[1, 0] = new PositionTexture(0, 0, -1, .5f + .002f, 0 + .002f);
bounds[2, 0] = new PositionTexture(0, -1, 0, 1 + .002f, 0 + .002f);
bounds[0, 1] = new PositionTexture(1, 0, 0, 0 + .002f, .5f + .002f);
bounds[1, 1] = new PositionTexture(0, 1, 0, .5f + .002f, .5f + .002f);
bounds[2, 1] = new PositionTexture(-1, 0, 0, 1 + .002f, .5f + .002f);
bounds[0, 2] = new PositionTexture(0, -1, 0, 0 + .002f, 1 + .002f);
bounds[1, 2] = new PositionTexture(0, 0, 1, .5f + .002f, 1 + .002f);
bounds[2, 2] = new PositionTexture(0, -1, 0, 1 + .002f, 1 + .002f);
}
vertexList.Add(bounds[0, 0]);
vertexList.Add(bounds[1, 0]);
vertexList.Add(bounds[2, 0]);
vertexList.Add(bounds[0, 1]);
vertexList.Add(bounds[1, 1]);
vertexList.Add(bounds[2, 1]);
vertexList.Add(bounds[0, 2]);
vertexList.Add(bounds[1, 2]);
vertexList.Add(bounds[2, 2]);
childTriangleList[0].Add(new Triangle(3, 1, 0));
childTriangleList[0].Add(new Triangle(4, 1, 3));
childTriangleList[1].Add(new Triangle(5, 2, 1));
childTriangleList[1].Add(new Triangle(4, 5, 1));
childTriangleList[2].Add(new Triangle(7, 4, 3));
childTriangleList[2].Add(new Triangle(6, 7, 3));
childTriangleList[3].Add(new Triangle(7, 5, 4));
childTriangleList[3].Add(new Triangle(8, 5, 7));
// Setup default matrix of points.
}
VertexCount = (int)Math.Pow(4, subDivisionLevel) * 2 + 1;
}
