private void RenderForPicking(RendererBase sceneElement, PickEventArgs arg)
{
if (sceneElement != null)
{
mat4 parentCascadeModelMatrix = arg.ModelMatrixStack.Peek();
sceneElement.cascadeModelMatrix = sceneElement.GetModelMatrix(parentCascadeModelMatrix);
var pickable = sceneElement as IPickable;
TwoFlags flags = (pickable != null) ? pickable.EnablePicking : TwoFlags.None;
bool before = (pickable != null) && ((flags & TwoFlags.BeforeChildren) == TwoFlags.BeforeChildren);
bool children = (pickable == null) || ((flags & TwoFlags.Children) == TwoFlags.Children);
if (before)
{
pickable.PickingBaseId += arg.RenderedVertexCount;
pickable.RenderForPicking(arg);
arg.RenderedVertexCount += pickable.GetVertexCount();
}
if (children)
{
arg.ModelMatrixStack.Push(sceneElement.cascadeModelMatrix);
foreach (var item in sceneElement.Children)
{
this.RenderForPicking(item, arg);
}
arg.ModelMatrixStack.Pop();
}
}
}
private PickedGeometry Pick(uint stageVertexId, PickEventArgs arg, RendererBase renderer)
{
PickedGeometry pickedGeometry = null;
if (renderer != null)
{
var pickable = renderer as IPickable;
if (pickable != null)
{
pickedGeometry = pickable.GetPickedGeometry(arg, stageVertexId);
}
if (pickedGeometry == null)
{
foreach (var item in renderer.Children)
{
pickedGeometry = Pick(stageVertexId, arg, item);
if (pickedGeometry != null)
{
break;
}
}
}
}
return(pickedGeometry);
}
/// <summary>
///
/// </summary>
/// <param name="clear"></param>
/// <param name="clearColor"></param>
/// <param name="rootElement"></param>
public RenderAction(bool clear, vec4 clearColor, RendererBase rootElement, ICamera camera)
{
this.Clear = clear;
this.ClearColor = clearColor;
this.RootElement = rootElement;
this.Camera = camera;
}
/// <summary>
/// Gets a <see cref="SceneObject"/> that contains this renderer.
/// </summary>
/// <param name="renderer"></param>
/// <param name="name"></param>
/// <param name="scripts"></param>
/// <returns></returns>
public static SceneObject WrapToSceneObject(
this RendererBase renderer,
string name,
params Script[] scripts)
{
return(WrapToSceneObject(renderer, name, false, scripts));
}
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>
/// Push and calculate model matrix in legacy OpenGL.
/// </summary>
/// <param name="renderer"></param>
public static void PushModelMatrix(this RendererBase renderer)
{
GL.Instance.MatrixMode(GL.GL_MODELVIEW);
GL.Instance.PushMatrix();
GL.Instance.LoadIdentity();
// note: renderer.modelMatrix has already been updated in Scene.Render(RendererBase sceneElement, RenderEventArgs arg);
GL.Instance.MultMatrixf(renderer.cascadeModelMatrix.ToArray());
}
/// <summary>
/// Gets a <see cref="SceneObject"/> that contains this renderer.
/// </summary>
/// <param name="renderer"></param>
/// <param name="scripts"></param>
/// <returns></returns>
public static SceneObject WrapToSceneObject(
this RendererBase renderer,
params Script[] scripts)
{
string name = string.Format("{0}", renderer);
return(WrapToSceneObject(renderer, name, false, scripts));
}
/// <summary>
/// Gets a <see cref="SceneObject"/> that contains this renderer.
/// </summary>
/// <param name="renderer"></param>
/// <param name="generateBoundingBox"></param>
/// <param name="scripts"></param>
/// <returns></returns>
public static SceneObject WrapToSceneObject(
this RendererBase renderer,
bool generateBoundingBox,
params Script[] scripts)
{
string name = string.Format("{0}", renderer);
return(WrapToSceneObject(renderer, name, generateBoundingBox, scripts));
}
/// <summary>
///
/// </summary>
protected override void DisposeUnmanagedResources()
{
RendererBase renderer = this.Renderer;
if (renderer != null)
{
renderer.Dispose();
}
}
///// <summary>
///// Occurs before this object and all of its children's rendering.
///// </summary>
//public event EventHandler BeforeRendering;
///// <summary>
///// Occurs before this object and all of its children's rendering.
///// </summary>
//internal void DoBeforeRendering()
//{
// EventHandler handler = this.BeforeRendering;
// if (handler != null)
// {
// handler(this, new EventArgs());
// }
//}
/// <summary>
///
/// </summary>
/// <param name="arg"></param>
public void Render(RenderEventArgs arg)
{
RendererBase renderer = this.Renderer;
if (renderer != null)
{
renderer.Render(arg);
}
}
/// <summary>
/// Push and calculate projection+view matrix in legacy OpenGL for picking.
/// </summary>
/// <param name="renderer"></param>
/// <param name="arg"></param>
public static void PushProjectionViewMatrix(this RendererBase renderer, LegacyPickEventArgs arg)
{
GL.Instance.MatrixMode(GL.GL_PROJECTION);
GL.Instance.PushMatrix();
mat4 projection = arg.pickMatrix * arg.scene.Camera.GetProjectionMatrix();
mat4 view = arg.scene.Camera.GetViewMatrix();
GL.Instance.LoadIdentity();
GL.Instance.MultMatrixf((projection * view).ToArray());
}
/// <summary>
/// Rotate model using arc-ball method.
/// </summary>
/// <param name="renderer"></param>
/// <param name="bindingMouseButtons"></param>
public TranslateManipulater(RendererBase renderer, MouseButtons bindingMouseButtons = MouseButtons.Left)
{
this.renderer = renderer;
this.MouseSensitivity = 6.0f;
this.BindingMouseButtons = bindingMouseButtons;
this.mouseDownEvent = new MouseEventHandler(((IMouseHandler)this).canvas_MouseDown);
this.mouseMoveEvent = new MouseEventHandler(((IMouseHandler)this).canvas_MouseMove);
this.mouseUpEvent = new MouseEventHandler(((IMouseHandler)this).canvas_MouseUp);
this.mouseWheelEvent = new MouseEventHandler(((IMouseHandler)this).canvas_MouseWheel);
}
/// <summary>
/// Push and calculate projection+view matrix in legacy OpenGL.
/// </summary>
/// <param name="renderer"></param>
/// <param name="arg"></param>
public static void PushProjectionViewMatrix(this RendererBase renderer, RenderEventArgs arg)
{
GL.Instance.MatrixMode(GL.GL_PROJECTION);
GL.Instance.PushMatrix();
ICamera camera = arg.CameraStack.Peek();
mat4 projection = camera.GetProjectionMatrix();
mat4 view = camera.GetViewMatrix();
GL.Instance.LoadIdentity();
GL.Instance.MultMatrixf((projection * view).ToArray());
}
/// <summary>
/// Rotate model using arc-ball method.
/// </summary>
/// <param name="renderer"></param>
/// <param name="bindingMouseButtons"></param>
public TranslateManipulater(RendererBase renderer, MouseButtons bindingMouseButtons = MouseButtons.Left)
{
this.renderer = renderer;
this.MouseSensitivity = 6.0f;
this.BindingMouseButtons = bindingMouseButtons;
this.mouseDownEvent = new MouseEventHandler(((IMouseHandler)this).canvas_MouseDown);
this.mouseMoveEvent = new MouseEventHandler(((IMouseHandler)this).canvas_MouseMove);
this.mouseUpEvent = new MouseEventHandler(((IMouseHandler)this).canvas_MouseUp);
this.mouseWheelEvent = new MouseEventHandler(((IMouseHandler)this).canvas_MouseWheel);
}
/// <summary>
/// Gets a <see cref="SceneObject"/> that contains this renderer.
/// </summary>
/// <param name="renderer"></param>
/// <param name="name"></param>
/// <param name="scripts"></param>
/// <returns></returns>
public static SceneObject WrapToSceneObject(
this RendererBase renderer,
string name, params Script[] scripts)
{
var obj = new SceneObject();
obj.Renderer = renderer;
obj.Name = string.IsNullOrEmpty(name) ? string.Format("{0}", renderer) : name;
obj.ScriptList.AddRange(scripts);
return(obj);
}
/// <summary>
///
/// </summary>
protected override void DoInitialize()
{
this.viewportState = new ViewportState();
this.scissorTestState = new ScissorTestState();
RendererBase renderer = this.Renderer;
if (renderer != null)
{
renderer.Initialize();
}
}
/// <summary>
/// Render something.
/// </summary>
/// <param name="arg"></param>
protected virtual void DoRender(RenderEventArgs arg)
{
if (this.locationUpdated)
{
this.viewportState.X = this.Location.X;
this.viewportState.Y = this.Location.Y;
this.scissorTestState.X = this.Location.X;
this.scissorTestState.Y = this.Location.Y;
this.locationUpdated = false;
}
if (this.sizeUpdated)
{
this.viewportState.Width = this.Size.Width;
this.viewportState.Height = this.Size.Height;
this.scissorTestState.Width = this.Size.Width;
this.scissorTestState.Height = this.Size.Height;
this.sizeUpdated = false;
}
this.viewportState.On();
this.scissorTestState.On();
int count = this.stateList.Count;
for (int i = 0; i < count; i++)
{
this.stateList[i].On();
}
if (this.ClearDepthBuffer)
{
// 把所有在此之前渲染的内容都推到最远。
// Push all rendered stuff to farest position.
OpenGL.Clear(OpenGL.GL_DEPTH_BUFFER_BIT);
}
RendererBase renderer = this.Renderer;
if (renderer != null)
{
renderer.Render(arg);
}
for (int i = count - 1; i >= 0; i--)
{
this.stateList[i].Off();
}
this.scissorTestState.Off();
this.viewportState.Off();
}
private void RenderForPicking(RendererBase sceneElement, LegacyPickEventArgs arg, ref uint currentName)
{
var pickable = sceneElement as ILegacyPickable;
if (pickable != null)
{
mat4 parentCascadeModelMatrix = arg.ModelMatrixStack.Peek();
sceneElement.cascadeModelMatrix = sceneElement.GetModelMatrix(parentCascadeModelMatrix);
ThreeFlags flags = pickable.EnableLegacyPicking;
if ((flags & ThreeFlags.BeforeChildren) == ThreeFlags.BeforeChildren)
{
// Load and map the name.
GL.Instance.LoadName(currentName);
arg.hitMap[currentName] = sceneElement;
pickable.RenderBeforeChildrenForLegacyPicking(arg);
// Increment the name.
currentName++;
}
if ((flags & ThreeFlags.Children) == ThreeFlags.Children)
{
arg.ModelMatrixStack.Push(sceneElement.cascadeModelMatrix);
foreach (var item in sceneElement.Children)
{
this.RenderForPicking(item, arg, ref currentName);
}
arg.ModelMatrixStack.Pop();
}
//if ((flags & ThreeFlags.AfterChildren) == ThreeFlags.AfterChildren)
//{
// // Load and map the name.
// GL.Instance.LoadName(currentName);
// arg.hitMap[currentName] = sceneElement;
// pickable.RenderAfterChildrenForLegacyPicking(arg);
// // Increment the name.
// currentName++;
//}
}
}
/// <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>
protected override void DoRender(RenderEventArgs arg)
{
this.viewportSwitch.X = this.Location.X;
this.viewportSwitch.Y = this.Location.Y;
this.viewportSwitch.Width = this.Size.Width;
this.viewportSwitch.Height = this.Size.Height;
this.scissorTestSwitch.X = this.Location.X;
this.scissorTestSwitch.Y = this.Location.Y;
this.scissorTestSwitch.Width = this.Size.Width;
this.scissorTestSwitch.Height = this.Size.Height;
this.viewportSwitch.On();
this.scissorTestSwitch.On();
int count = this.switchList.Count;
for (int i = 0; i < count; i++)
{
this.switchList[i].On();
}
// 把所有在此之前渲染的内容都推到最远。
// Push all rendered stuff to farest position.
OpenGL.Clear(OpenGL.GL_DEPTH_BUFFER_BIT);
RendererBase renderer = this.Renderer;
if (renderer != null)
{
renderer.Render(arg);
}
for (int i = count - 1; i >= 0; i--)
{
this.switchList[i].Off();
}
this.scissorTestSwitch.Off();
this.viewportSwitch.Off();
}
/// <summary>
/// Gets a <see cref="SceneObject"/> that contains this renderer.
/// </summary>
/// <param name="renderer"></param>
/// <param name="name"></param>
/// <param name="generateBoundingBox"></param>
/// <param name="scripts"></param>
/// <returns></returns>
public static SceneObject WrapToSceneObject(
this RendererBase renderer,
string name,
bool generateBoundingBox,
params Script[] scripts)
{
var obj = new SceneObject();
obj.Renderer = renderer;
obj.Name = name;
obj.Scripts.AddRange(scripts);
if (generateBoundingBox)
{
BoundingBoxRenderer box = renderer.GetBoundingBoxRenderer();
box.BoundingBoxColor = Color.Gray;
var boxObj = new SceneObject();
boxObj.Renderer = box;
boxObj.Name = string.Format("Box of [{0}]", name);
obj.Children.Add(boxObj);
}
return(obj);
}
/// <summary>
///
/// </summary>
/// <param name="renderer"></param>
/// <param name="deltaTranslate"></param>
public override void Setup(RendererBase renderer, vec3 deltaTranslate)
{
renderer.WorldPosition += deltaTranslate;
}
/// <summary>
/// Pop projection+view matrix.
/// </summary>
public static void PopProjectionViewMatrix(this RendererBase renderer)
{
GL.Instance.MatrixMode(GL.GL_PROJECTION);
GL.Instance.PopMatrix();
}
/// <summary>
/// Gets a <see cref="SceneObject"/> that contains this renderer.
/// </summary>
/// <param name="renderer"></param>
/// <param name="scripts"></param>
/// <returns></returns>
public static SceneObject WrapToSceneObject(
this RendererBase renderer,
params Script[] scripts)
{
return(WrapToSceneObject(renderer, "", scripts));
}
/// <summary>
///
/// </summary>
/// <param name="sceneElement"></param>
/// <param name="zNear"></param>
/// <param name="zFar"></param>
public HitTarget(RendererBase sceneElement, uint zNear, uint zFar)
{
this.renderer = sceneElement;
this.zNear = zNear;
this.zFar = zFar;
}
public FormRendererBaseEditor(RendererBase renderer)
{
InitializeComponent();
this.propertyGrid.SelectedObject = renderer;
}
/// <summary>
///
/// </summary>
/// <param name="renderer"></param>
/// <param name="deltaTranslate"></param>
public override void Setup(RendererBase renderer, vec3 deltaTranslate)
{
renderer.WorldPosition += deltaTranslate;
}
/// <summary> /// /// </summary> /// <param name="renderer"></param> /// <param name="deltaTranslate"></param> public abstract void Setup(RendererBase renderer, vec3 deltaTranslate);
/// <summary> /// /// </summary> /// <param name="renderer"></param> /// <param name="deltaTranslate"></param> public abstract void Setup(RendererBase renderer, vec3 deltaTranslate);
/// <summary>
/// Pop model matrix.
/// </summary>
public static void PopModelMatrix(this RendererBase renderer)
{
GL.Instance.MatrixMode(GL.GL_MODELVIEW);
GL.Instance.PopMatrix();
}