private bool Draw3D()
{
if( device == null )
return false;
int code;
device.CheckCooperativeLevel( out code );
switch( (ResultCode)code )
{
case ResultCode.Success:
break;
case ResultCode.DeviceLost:
HandleDeviceLost();
return false;
case ResultCode.DeviceNotReset:
ResetDevice();
break;
default:
return false;
}
if( isLost )
return false;
device.BeginScene();
DXPaintEventArgs args = new DXPaintEventArgs( device );
OnPaint3D( args );
device.EndScene();
if( args.Draw2D )
return false;
try
{
device.Present();
}
catch( DriverInternalErrorException )
{
isLost = true;
return false;
}
catch
{
return false;
}
return true;
}
private void pn3D_Paint3D( object sender, DXPaintEventArgs e )
{
Device dev = pn3D.Device;
defState.Apply();
Matrix view, projection;
view = cam.ViewMatrix;
cam.ComputeProjectionMatrix( 0.01F, 500.0F, out projection );
switch( viewMode )
{
case Mode.Depth:
dev.VertexShader = depthVs;
depthVsConsts.SetValue( dev, EffectHandle.FromString( "mv" ), view );
depthVsConsts.SetValue( dev, EffectHandle.FromString( "mvp" ), view * projection );
dev.PixelShader = depthPs;
break;
case Mode.Normals:
dev.VertexShader = normVs;
normVsConsts.SetValue( dev, EffectHandle.FromString( "mvp" ), view * projection );
dev.PixelShader = normPs;
break;
}
//do model 1
using( Surface surf = depthTex1.GetSurfaceLevel( 0 ) )
dev.SetRenderTarget( 0, surf );
dev.Clear( ClearFlags.Target | ClearFlags.ZBuffer, Color.Black, 1.0F, 0 );
model1DXData.BindModelData();
model1DXData.Draw( model1.Model.Lods[0] );
//do model 2
using( Surface surf = depthTex2.GetSurfaceLevel( 0 ) )
dev.SetRenderTarget( 0, surf );
dev.Clear(ClearFlags.Target | ClearFlags.ZBuffer, Color.Black, 1.0F, 0 );
model2DXData.BindModelData();
model2DXData.Draw( model2.Model.Lods[0] );
//clear out old state
dev.VertexShader = null;
dev.SetStreamSource( 0, null, 0 );
dev.Indices = null;
//draw difference
using( Surface surf = dev.GetBackBuffer( 0, 0, BackBufferType.Mono ) )
dev.SetRenderTarget( 0, surf );
dev.PixelShader = delptaPs;
deltaPsConsts.SetValue( dev, EffectHandle.FromString( "scale" ), trkScale.Value * 0.125F );
deltaPsConsts.SetValue( dev, EffectHandle.FromString( "power" ), trkPower.Value * 1.0F );
dev.SetTexture( 0, depthTex1 );
dev.SetTexture( 1, depthTex2 );
dev.Transform.World = Matrix.Identity;
dev.Transform.View = Matrix.Identity;
dev.Transform.Projection = Matrix.Identity;
dev.RenderState.ZBufferEnable = false;
dev.RenderState.MultiSampleAntiAlias = false;
DrawFSQuad();
}
protected virtual void OnPaint3D( DXPaintEventArgs e )
{
if( Paint3D != null )
Paint3D( this, e );
}
private void pn3D_Paint3D( object sender, DXPaintEventArgs e )
{
if( model.Model == null )
{
pn3D.Text = "No model loaded.";
e.Draw2D = true;
return;
}
Device dev = e.Device;
defState.Apply();
dev.Clear( ClearFlags.Target | ClearFlags.ZBuffer,
pnPreviewOpts.BackgroundColor, 1.0F, 0 );
Matrix view, projection;
GetCameraMatrices( out view, out projection );
dev.Transform.Projection = projection;
dev.Transform.View = view;
dev.Transform.World = Matrix.Identity;
switch( previewMode )
{
case PreviewMode.Surfaces:
DrawSurfacesView();
break;
case PreviewMode.Skeleton:
DrawSkeletonView();
break;
case PreviewMode.Topology:
DrawTopologyView();
break;
case PreviewMode.Bounds:
DrawBoundsView();
break;
case PreviewMode.Shaded:
DrawShadedView();
break;
default:
pn3D.Text = "Unknown preview mode.";
e.Draw2D = true;
return;
}
if( pnPreviewOpts.EnableGroundPlane )
DrawGroundPlane();
}
