/// <summary>
///
/// </summary>
/// <param name="sceneElement"></param>
/// <param name="arg"></param>
public static void Render(SceneNodeBase sceneElement, RenderEventArgs arg)
{
if (sceneElement != null)
{
var renderable = sceneElement as IRenderable;
ThreeFlags flags = (renderable != null) ? renderable.EnableRendering : ThreeFlags.None;
bool before = (renderable != null) && ((flags & ThreeFlags.BeforeChildren) == ThreeFlags.BeforeChildren);
bool children = (renderable == null) || ((flags & ThreeFlags.Children) == ThreeFlags.Children);
bool after = (renderable != null) && ((flags & ThreeFlags.AfterChildren) == ThreeFlags.AfterChildren);
if (before)
{
renderable.RenderBeforeChildren(arg);
}
if (children)
{
foreach (var item in sceneElement.Children)
{
RenderAction.Render(item, arg);
}
}
if (after)
{
renderable.RenderAfterChildren(arg);
}
}
}
public static void Render(RendererBase sceneElement, RenderEventArgs arg)
{
if (sceneElement != null)
{
mat4 parentCascadeModelMatrix = arg.ModelMatrixStack.Peek();
sceneElement.cascadeModelMatrix = sceneElement.GetModelMatrix(parentCascadeModelMatrix);
var renderable = sceneElement as IRenderable;
ThreeFlags flags = (renderable != null) ? renderable.EnableRendering : ThreeFlags.None;
bool before = (renderable != null) && ((flags & ThreeFlags.BeforeChildren) == ThreeFlags.BeforeChildren);
bool children = (renderable == null) || ((flags & ThreeFlags.Children) == ThreeFlags.Children);
bool after = (renderable != null) && ((flags & ThreeFlags.AfterChildren) == ThreeFlags.AfterChildren);
if (before)
{
renderable.RenderBeforeChildren(arg);
}
if (children)
{
arg.ModelMatrixStack.Push(sceneElement.cascadeModelMatrix);
foreach (var item in sceneElement.Children)
{
RenderAction.Render(item, arg);
}
arg.ModelMatrixStack.Pop();
}
if (after)
{
renderable.RenderAfterChildren(arg);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="param"></param>
public override void Act(ActionParams param)
{
//int[] value = null;
//value = new int[4];
//GL.Instance.GetIntegerv((uint)GetTarget.ColorClearValue, value);
vec4 clearColor = this.Scene.ClearColor;
GL.Instance.ClearColor(clearColor.x, clearColor.y, clearColor.z, clearColor.w);
GL.Instance.Clear(this.ClearMask);
var arg = new RenderEventArgs(this.Scene, param, this.Scene.Camera);
RenderAction.Render(this.Scene.RootElement, arg);
//GL.Instance.ClearColor(value[0], value[1], value[2], value[3]);
}
/// <summary>
///
/// </summary>
public override void Act()
{
//int[] value = null;
//value = new int[4];
//GL.Instance.GetIntegerv((uint)GetTarget.ColorClearValue, value);
vec4 clearColor = this.Scene.ClearColor;
GL.Instance.ClearColor(clearColor.x, clearColor.y, clearColor.z, clearColor.w);
GL.Instance.Clear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);
var arg = new RenderEventArgs(this.Scene, this.Scene.Camera);
RenderAction.Render(this.Scene.RootElement, arg);
//GL.Instance.ClearColor(value[0], value[1], value[2], value[3]);
}
/// <summary>
///
/// </summary>
/// <param name="clear"></param>
/// <param name="clearColor"></param>
/// <param name="rootElement"></param>
/// <param name="camera"></param>
public static void Render(bool clear, vec4 clearColor, RendererBase rootElement, ICamera camera)
{
int[] value = null;
if (clear)
{
value = new int[4];
GL.Instance.GetIntegerv((uint)GetTarget.ColorClearValue, value);
GL.Instance.ClearColor(clearColor.x, clearColor.y, clearColor.z, clearColor.w);
GL.Instance.Clear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);
}
var arg = new RenderEventArgs(camera);
RenderAction.Render(rootElement, arg);
if (clear)
{
GL.Instance.ClearColor(value[0], value[1], value[2], value[3]);
}
}
/// <summary>
///
/// </summary>
/// <param name="arg"></param>
public void RenderBeforeChildren(RenderEventArgs arg)
{
if (this.Width <= 0 || this.Height <= 0)
{
return;
}
var viewport = new int[4];
GL.Instance.GetIntegerv((uint)GetTarget.Viewport, viewport);
this.framebuffer = this.framebufferSource.GetFramebuffer(this.Width, this.Height);
framebuffer.Bind();
GL.Instance.Viewport(0, 0, this.Width, this.Height);
this.state.On();
{
int[] value = new int[4];
GL.Instance.GetIntegerv((uint)GetTarget.ColorClearValue, value);
{
vec3 color = this.BackgroundColor.ToVec3();
GL.Instance.ClearColor(color.x, color.y, color.z, 0.0f); // 0.0f for alpha channel, in case that transparent background is needed.
GL.Instance.Clear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);
}
{
// TODO: maybe action should record only the root element instead of the scene.
var args = new RenderEventArgs(arg.Param, this.Camera);
foreach (var item in this.Children)
{
RenderAction.Render(item, args);
}
}
{
GL.Instance.ClearColor(value[0], value[1], value[2], value[3]);// recover clear color.
}
}
this.state.Off();
GL.Instance.Viewport(viewport[0], viewport[1], viewport[2], viewport[3]);// recover viewport.
this.framebuffer.Unbind();
}
/// <summary>
///
/// </summary>
public void Render()
{
RenderAction.Render(true, this.clearColor, this.RootElement, this.Camera);
}