/// <summary>
/// End the modifier (This method is called by the DrawTarget)
/// </summary>
/// <param name="state"></param>
public void End(DrawState state)
{
if (enabledBuffer)
{
state.PopPostCuller();
}
if (cubes.Count > 0 ||
spheres.Count > 0)
{
state.PushCamera(camera);
state.PushRenderState();
state.RenderState.DepthColourCull.DepthWriteEnabled = false;
state.RenderState.AlphaBlend = AlphaBlendState.Alpha;
Xen.Ex.Shaders.FillSolidColour shader = state.GetShader <Xen.Ex.Shaders.FillSolidColour>();
shader.FillColour = new Vector4(1, 1, 1, 0.25f);
shader.Bind(state);
GenCubeVS(state);
GenSphereVS(state);
Matrix mat;
for (int i = 0; i < cubes.Count; i++)
{
mat = cubes[i];
state.PushWorldMatrix(ref mat);
cubeVS.Draw(state, null, PrimitiveType.LineList);
state.PopWorldMatrix();
}
mat = Matrix.Identity;
Vector4 v;
for (int i = 0; i < spheres.Count; i++)
{
v = spheres[i];
mat.M11 = v.W;
mat.M22 = v.W;
mat.M33 = v.W;
mat.M41 = v.X;
mat.M42 = v.Y;
mat.M43 = v.Z;
state.PushWorldMatrix(ref mat);
sphereVS.Draw(state, null, PrimitiveType.LineList);
state.PopWorldMatrix();
}
state.PopRenderState();
state.PopCamera();
}
}
private void Render(DrawState state)
{
SimpleTextureEffect shader = state.GetShader <SimpleTextureEffect>();
state.PushCamera(camera);
shader.Texture = _texture;
shader.Bind(state);
_vertices.Draw(state, null, PrimitiveType.TriangleStrip);
state.PopCamera();
}
private void Draw(DrawState state, Vector2 scale, byte clipDepth)
{
Element parent = this.parent;
Matrix matrix;
GraphicsDevice device = null;
if (parent == null)
{
if (state.DrawTarget.MultiSampleType != MultiSampleType.None)
{
device = state.BeginGetGraphicsDevice(StateFlag.None);
device.RenderState.MultiSampleAntiAlias = false;
}
this.clipTestActive = false;
DeviceRenderState rstate = new DeviceRenderState();
rstate.DepthColourCull.DepthWriteEnabled = false;
rstate.DepthColourCull.DepthTestEnabled = false;
state.PushRenderState(ref rstate);
if (camera == null)
{
camera = state.UserValues[cameraID] as Xen.Camera.Camera2D;
if (camera == null)
{
camera = new Xen.Camera.Camera2D(true);
state.UserValues[cameraID] = camera;
}
}
state.PushCamera(camera);
}
else
{
this.clipTestActive = parent.clipTestActive | parent.ClipsChildren;
}
StencilTestState stencilState = new StencilTestState();
if (clipTestActive)
{
stencilState.Enabled = true;
stencilState.ReferenceValue = clipDepth;
stencilState.StencilFunction = CompareFunction.Equal;
stencilState.StencilPassOperation = StencilOperation.Keep;
}
bool clearStencil = false;
if (this.ClipsChildren)
{
clearStencil = clipDepth == 255;
clipDepth--;
if (!clipTestActive)
{
//check there actually is a stencil buffer
#if DEBUG
DepthFormat format = state.DrawTarget.SurfaceDepthFormat ?? DepthFormat.Unknown;
if (format != DepthFormat.Depth24Stencil8)
{
throw new InvalidOperationException("ElementRect.ClipChildren requires the DrawTarget has a valid Depth Buffer with an 8bit Stencil Buffer");
}
#endif
stencilState.Enabled = true;
stencilState.ReferenceValue = clipDepth;
stencilState.StencilPassOperation = StencilOperation.Replace;
}
else
{
stencilState.StencilPassOperation = StencilOperation.Decrement;
}
}
if ((scale.X != 0 && scale.Y != 0))
{
Vector2 size = ElementSize;
GetDisplayMatrix(out matrix, scale, ref size);
state.PushWorldMatrixMultiply(ref matrix);
BindShader(state, false);
state.RenderState.AlphaBlend = blend;
state.RenderState.StencilTest = stencilState;
if (!UseSize)
{
size = new Vector2(1, 1);
}
else
if (IsNormalised)
{
size *= scale;
}
PreDraw(size);
DrawElement(state);
List <Element> children = Children;
if (children != null)
{
foreach (Element child in children)
{
if (((IDraw)child).CullTest(state))
{
child.Draw(state, size, clipDepth);
}
}
}
if (clearStencil)
{
BindShader(state, true);
stencilState = new StencilTestState();
stencilState.Enabled = true;
stencilState.StencilFunction = CompareFunction.Never;
stencilState.StencilFailOperation = StencilOperation.Zero;
state.RenderState.StencilTest = stencilState;
DrawElement(state);
}
state.PopWorldMatrix();
}
if (parent == null)
{
state.PopRenderState();
state.PopCamera();
}
if (device != null)
{
device.RenderState.MultiSampleAntiAlias = true;
state.EndGetGraphicsDevice();
}
}
public void Render(DrawState state, byte clipDepth)
{
Element parent = _parent;
Matrix matrix;
DeviceContext context = state.Context;
if (parent == null)
{
_clipTest = false;
DeviceRenderState rstate = new DeviceRenderState();
rstate.DepthColourCull.DepthWriteEnabled = false;
rstate.DepthColourCull.DepthTestEnabled = false;
state.PushRenderState(ref rstate);
if (_camera == null)
{
_camera = new ElementCamera(true);
}
state.PushCamera(_camera);
}
else
{
_clipTest = parent._clipTest | parent.ClipsChildren;
}
StencilTestState stencilState = new StencilTestState();
if (_clipTest)
{
stencilState.Enabled = true;
stencilState.ReferenceValue = clipDepth;
stencilState.StencilFunction = Compare.Equal;
stencilState.StencilPassOperation = StencilOperation.Keep;
}
bool clearStencil = false;
if (ClipsChildren)
{
clearStencil = clipDepth == 255;
clipDepth--;
if (!_clipTest)
{
stencilState.Enabled = true;
stencilState.ReferenceValue = clipDepth;
stencilState.StencilPassOperation = StencilOperation.Replace;
}
else
{
stencilState.StencilPassOperation = StencilOperation.Decrement;
}
}
Viewport viewport = context.Viewport;
Vector2 scale = new Vector2(viewport.Width, viewport.Height);
if ((scale.X != 0 && scale.Y != 0))
{
Vector2 size = ElementSize;
GetDisplayMatrix(out matrix, scale, ref size);
state.PushWorldMatrixMultiply(ref matrix);
BindShader(state, false);
state.RenderState.AlphaBlend = _blendState;
state.RenderState.StencilTest = stencilState;
if (!UseSize)
{
size = new Vector2(1, 1);
}
else if (IsNormalised)
{
size.X *= scale.X;
size.Y *= scale.Y;
}
PreDraw(state.Context, size);
DrawElement(state);
List <Element> children = Children;
if (children != null)
{
foreach (Element child in children)
{
if (child.CullTest(state))
{
child.Render(state, clipDepth);
}
}
}
if (clearStencil)
{
BindShader(state, true);
stencilState = new StencilTestState();
stencilState.Enabled = true;
stencilState.StencilFunction = Compare.Never;
stencilState.StencilFailOperation = StencilOperation.Zero;
state.RenderState.StencilTest = stencilState;
DrawElement(state);
}
state.PopWorldMatrix();
}
if (parent == null)
{
state.PopRenderState();
state.PopCamera();
}
}
