public void ViewUpdated(Vector3 viewPos)
{
// TODO: determine if tree changes needed
// TODO: Combine vis testing with tree
demPQT.Fork(1, false);
demPQT.Children[3].Fork(1, false);
demPQT.Children[3].Children[3].Fork(1, false);
demPQT.Children[1].Fork(1, false);
demPQT.Children[1].Children[3].Fork(1, false);
demPQT.Children[1].Children[1].Fork(1, false);
// build local objects needed
SourceDataDiffuseSampler sampler = new SourceDataDiffuseSampler();
NormalMapGenerator normalGen = new NormalMapGenerator();
foreach (PureQuadTreeNode leaf in demPQT)
{
if (leaf.Level != 0)
{
// trace each leaf to see if patches required
ulong[] codes;
byte dirs = TraceLeaf(leaf, out codes);
TestInternals(leaf, ref codes);
// create object
geometryTree.Add(new GpuDemSubGeometry(leaf.Location, leaf.Size, leaf.Centre, null, leaf.Code, leaf.Level, codes, (byte)leaf.ChildNum));
// find matching data node and create texture if needed
if (!texturesCache.ContainsKey(leaf.Code))
{
Point pos = new Point((int)(leaf.Location.X / 10f * /*1024f*/ 2048f), (int)(leaf.Location.Y / 10f * /*1024f*/ 2048f));
// find corrosponding node
Texture texture = null, normalTex = null;
for (int node = 0; node < dataNodes[leaf.Level].Length; node++)
{
if (dataNodes[leaf.Level][node].NodeArea.Location == pos)
{
texture = //TextureLoader.FromFile(gDevice, "c:/0-test.jpg");
sampler.GenerateTexture(new Size(16, 16), dataNodes[leaf.Level][node].Rectangles[0],
gDevice, reader);
normalTex = normalGen.GenerateTexture(new Size(256, 256),
dataNodes[leaf.Level][node].Rectangles[0],
gDevice, reader);
}
}
texturesCache[leaf.Code] = new CachedTexture(texture, leaf.Code, leaf.Level, normalTex);
}
}
}
}
public Form1()
{
InitializeComponent();
PureQuadTree tree = new PureQuadTree(new Vector2(), new Vector2(256, 256));
tree.Fork(1, false);
tree.Children[3].Fork(1, false);
tree.Children[1].Fork(1, false);
//tree.Children[3].Children[3].Fork(1, false);
//tree.Children[1].Fork(2, false);
////tree.Children[2].Fork(1, false);
//tree.Children[3].Children[1].Fork(1, false);
//leafPatches = new Dictionary<ulong, byte>();
//patchLevels = new Dictionary<ulong, ushort[]>();
//foreach (PureQuadTreeNode leaf in tree)
//{
// if (leaf.Level > 0)
// {
// TraceLeaf(leaf);
// }
//}
qTree = tree;// new PureQuadTree(new Vector2(), new Vector2(256, 256));
viewPos = new Vector2(200, 300);
viewDir = Vector2.Normalize(new Vector2(128, 128) - viewPos);
falloff = 250;
Vector3 viewDir3 = new Vector3(viewDir.X, 0, viewDir.Y);
Quaternion q = Quaternion.RotationAxis(new Vector3(0, 1, 0), (float)Math.PI / 8);
Matrix rot = Matrix.RotationQuaternion(q);
Vector4 temp = Vector3.Transform(viewDir3, rot);
viewFOVp1 = new Vector2(temp.X, temp.Z);
viewFOVp1.Normalize();
viewFOVp1 = new Vector2(viewPos.X + (viewFOVp1 * falloff).X, viewPos.Y + (viewFOVp1 * falloff).Y);
q = Quaternion.RotationAxis(new Vector3(0, 1, 0), -(float)Math.PI / 8);
rot = Matrix.RotationQuaternion(q);
temp = Vector3.Transform(viewDir3, rot);
viewFOVp2 = new Vector2(temp.X, temp.Z);
viewFOVp2.Normalize();
viewFOVp2 = new Vector2(viewPos.X + (viewFOVp2 * falloff).X, viewPos.Y + (viewFOVp2 * falloff).Y);
Vector3 viewPos3 = new Vector3(viewPos.X, 0, viewPos.Y);
q = Quaternion.RotationAxis(new Vector3(0, 1, 0), ((float)Math.PI / 8) + ((float)Math.PI / 2));
rot = Matrix.RotationQuaternion(q);
temp = Vector3.Transform(viewDir3, rot);
Vector3 v3 = new Vector3(-temp.X, 0, -temp.Z);
v3.Normalize();
viewFOVpl1 = Plane.FromPointNormal(viewPos3, v3);
q = Quaternion.RotationAxis(new Vector3(0, 1, 0), -((float)Math.PI / 8) - ((float)Math.PI / 2));
rot = Matrix.RotationQuaternion(q);
temp = Vector3.Transform(viewDir3, rot);
v3 = new Vector3(-temp.X, 0, -temp.Z);
v3.Normalize();
viewFOVpl2 = Plane.FromPointNormal(viewPos3, v3);
//Plane.FromPoints(viewDir3, new Vector3(viewDir3.X, 1, viewDir3.Z), new Vector3(viewDir3.X + viewFOVp2.X, 0, viewDir3.Z + viewFOVp2.Y));
leafDetail = new Dictionary <ulong, short>();
BuildTree();
}
public Form1()
{
InitializeComponent();
PureQuadTree tree = new PureQuadTree(new Vector2(), new Vector2(256, 256));
tree.Fork(1, false);
tree.Children[3].Fork(1, false);
tree.Children[1].Fork(1, false);
//tree.Children[3].Children[3].Fork(1, false);
//tree.Children[1].Fork(2, false);
////tree.Children[2].Fork(1, false);
//tree.Children[3].Children[1].Fork(1, false);
//leafPatches = new Dictionary<ulong, byte>();
//patchLevels = new Dictionary<ulong, ushort[]>();
//foreach (PureQuadTreeNode leaf in tree)
//{
// if (leaf.Level > 0)
// {
// TraceLeaf(leaf);
// }
//}
qTree = tree;// new PureQuadTree(new Vector2(), new Vector2(256, 256));
viewPos = new Vector2(200, 300);
viewDir = Vector2.Normalize(new Vector2(128, 128) - viewPos);
falloff = 250;
Vector3 viewDir3 = new Vector3(viewDir.X, 0, viewDir.Y);
Quaternion q = Quaternion.RotationAxis(new Vector3(0, 1, 0), (float)Math.PI / 8);
Matrix rot = Matrix.RotationQuaternion(q);
Vector4 temp = Vector3.Transform(viewDir3, rot);
viewFOVp1 = new Vector2(temp.X, temp.Z);
viewFOVp1.Normalize();
viewFOVp1 = new Vector2(viewPos.X + (viewFOVp1 * falloff).X, viewPos.Y + (viewFOVp1 * falloff).Y);
q = Quaternion.RotationAxis(new Vector3(0, 1, 0), -(float)Math.PI / 8);
rot = Matrix.RotationQuaternion(q);
temp = Vector3.Transform(viewDir3, rot);
viewFOVp2 = new Vector2(temp.X, temp.Z);
viewFOVp2.Normalize();
viewFOVp2 = new Vector2(viewPos.X + (viewFOVp2 * falloff).X, viewPos.Y + (viewFOVp2 * falloff).Y);
Vector3 viewPos3 = new Vector3(viewPos.X, 0, viewPos.Y);
q = Quaternion.RotationAxis(new Vector3(0, 1, 0), ((float)Math.PI / 8) + ((float)Math.PI / 2));
rot = Matrix.RotationQuaternion(q);
temp = Vector3.Transform(viewDir3, rot);
Vector3 v3 = new Vector3(-temp.X, 0, -temp.Z);
v3.Normalize();
viewFOVpl1 = Plane.FromPointNormal(viewPos3, v3);
q = Quaternion.RotationAxis(new Vector3(0, 1, 0), -((float)Math.PI / 8) - ((float)Math.PI / 2));
rot = Matrix.RotationQuaternion(q);
temp = Vector3.Transform(viewDir3, rot);
v3 = new Vector3(-temp.X, 0, -temp.Z);
v3.Normalize();
viewFOVpl2 = Plane.FromPointNormal(viewPos3, v3);
//Plane.FromPoints(viewDir3, new Vector3(viewDir3.X, 1, viewDir3.Z), new Vector3(viewDir3.X + viewFOVp2.X, 0, viewDir3.Z + viewFOVp2.Y));
leafDetail = new Dictionary<ulong, short>();
BuildTree();
}
