public void Draw(OctTreeModule octTreeModule)
{
var frustum = Camera.GetFrustum();
var nodes = octTreeModule.Query(frustum).Distinct()
.Select(id => renderables.ContainsKey(id) ? renderables[id] : null);
foreach (var node in nodes)
{
if (node != null) (node as IRenderable).PreDraw(device, renderContext);
}
device.SetRenderTarget(null);
device.Clear(ClearOptions.DepthBuffer, Color.Black, 1.0f, 0);
//device.Clear(Color.Black);
device.BlendState = BlendState.AlphaBlend;
device.DepthStencilState = DepthStencilState.Default;
drawEffect.Parameters["World"].SetValue(Matrix.Identity);
drawEffect.Parameters["View"].SetValue(Camera.View);
drawEffect.Parameters["Projection"].SetValue(Camera.Projection);
drawEffect.Parameters["WorldInverseTranspose"].SetValue(Matrix.Transpose(Matrix.Invert(Matrix.Identity)));
//drawEffect.Parameters["DiffuseColor"].SetValue(new Vector4(1, 1, 1, 1));
//drawEffect.Parameters["DiffuseLightDirection"].SetValue(Vector3.Normalize(new Vector3(1, 0, -1)));
//drawEffect.Parameters["FillColor"].SetValue(new Vector4(0.5f, 0.5f, 1, 1));
//drawEffect.Parameters["FillLightDirection"].SetValue(Vector3.Normalize(new Vector3(0, 1, 1)));
drawEffect.Parameters["FogColor"].SetValue(Color.Black.ToVector4());
drawEffect.CurrentTechnique = drawEffect.Techniques[0];
renderContext.BeginScene(drawEffect, device);
foreach (var node in nodes)
{
if (node != null) (node as IRenderable).DrawEx(renderContext);
}
debug.Begin(Matrix.Identity, Camera.View, Camera.Projection);
foreach (var line in debugLines)
debug.Line(line.Item1, line.Item2);
debug.Flush();
debugLines.Clear();
}
public UInt32 MousePick(OctTreeModule octTreeModule, Vector2 mouseCoordinates)
{
AddDebugLine(new VertexPositionColor(Vector3.Zero, Color.Red),
new VertexPositionColor(Camera.Unproject(new Vector3(mouseCoordinates, 0)), Color.Blue));
device.SetRenderTarget(mousePickTarget);
device.Clear(ClearOptions.Target, Vector4.Zero, 0xFFFFFF, 0);
device.BlendState = BlendState.Opaque;
drawIDEffect.Parameters["World"].SetValue(Matrix.Identity);
drawIDEffect.Parameters["View"].SetValue(Camera.View);
var projection = Camera.GetSinglePixelProjection(mouseCoordinates);
drawIDEffect.Parameters["Projection"].SetValue(projection);
var frustum = new BoundingFrustum(Camera.View * projection);
var nodes = octTreeModule.Query(frustum).Distinct()
.Select(id => renderables.ContainsKey(id) ? renderables[id] : null);
drawIDEffect.CurrentTechnique = drawIDEffect.Techniques[0];
var context = new RenderIDContext();
context.BeginScene(drawIDEffect, device);
foreach (var node in nodes)
if (node != null)
{
//drawIDEffect.Parameters["World"].SetValue(node.World);
//drawIDEffect.Parameters["WorldInverseTranspose"].SetValue(Matrix.Transpose(Matrix.Invert(node.World)));
var idBytes = BitConverter.GetBytes((node as Component).EntityID);
drawIDEffect.Parameters["ID"].SetValue(
new Vector4(idBytes[0] / 255.0f, idBytes[1] / 255.0f, idBytes[2] / 255.0f, idBytes[3] / 255.0f));
//drawIDEffect.CurrentTechnique.Passes[0].Apply();
(node as IRenderable).DrawEx(context);
//(node as IRenderable).Draw(device);
}
device.SetRenderTarget(null);
var data = new Color[1];
mousePickTarget.GetData(data);
var result = data[0].PackedValue;
if (renderables.ContainsKey(result))
{
var mouseRay = new Ray(Camera.GetPosition(), Camera.Unproject(new Vector3(mouseCoordinates, 0)) - Camera.GetPosition());
mouseRay.Direction = Vector3.Normalize(mouseRay.Direction);
renderables[result].CalculateLocalMouse(mouseRay, AddDebugLine);
}
return result;
}
