public virtual void Begin()
{
// Save the current matrix
CCDrawManager.PushMatrix();
CCSize texSize = m_pTexture.ContentSizeInPixels;
// Calculate the adjustment ratios based on the old and new projections
CCDirector director = CCDirector.SharedDirector;
CCSize size = director.WinSizeInPixels;
float widthRatio = size.Width / texSize.Width;
float heightRatio = size.Height / texSize.Height;
CCDrawManager.SetRenderTarget(m_pTexture);
CCDrawManager.SetViewPort(0, 0, (int)texSize.Width, (int)texSize.Height);
Matrix projection = Matrix.CreateOrthographicOffCenter(
-1.0f / widthRatio, 1.0f / widthRatio,
-1.0f / heightRatio, 1.0f / heightRatio,
-1, 1
);
CCDrawManager.MultMatrix(ref projection);
if (m_bFirstUsage)
{
CCDrawManager.Clear(Color.Transparent);
m_bFirstUsage = false;
}
}
/// <summary>
/// Draw the scene.
/// This method is called every frame. Don't call it manually.
/// </summary>
protected void DrawScene(GameTime gameTime)
{
CCDrawManager.PushMatrix();
// draw the scene
if (m_pRunningScene != null)
{
m_pRunningScene.Visit();
}
// draw the notifications node
if (m_pNotificationNode != null)
{
NotificationNode.Visit();
}
ShowStats();
CCDrawManager.PopMatrix();
m_uTotalFrames++;
if (m_bDisplayStats)
{
CalculateMPF();
}
}
// CCParticleBatchNode - composition
// override visit.
// Don't call visit on it's children
public override void Visit()
{
// CAREFUL:
// This visit is almost identical to CCNode#visit
// with the exception that it doesn't call visit on it's children
//
// The alternative is to have a void CCSprite#visit, but
// although this is less mantainable, is faster
//
if (!m_bVisible)
{
return;
}
//kmGLPushMatrix();
CCDrawManager.PushMatrix();
if (m_pGrid != null && m_pGrid.Active)
{
m_pGrid.BeforeDraw();
TransformAncestors();
}
Transform();
Draw();
if (m_pGrid != null && m_pGrid.Active)
{
m_pGrid.AfterDraw(this);
}
//kmGLPopMatrix();
CCDrawManager.PopMatrix();
}
public override void Visit()
{
if (m_pStencil == null || !m_pStencil.Visible)
{
if (m_bInverted)
{
// draw everything
base.Visit();
}
return;
}
if (CCDrawManager.BeginDrawMask(m_bInverted, m_fAlphaThreshold))
{
CCDrawManager.PushMatrix();
Transform();
m_pStencil.Visit();
CCDrawManager.PopMatrix();
CCDrawManager.EndDrawMask();
base.Visit();
CCDrawManager.EndMask();
}
else
{
base.Visit();
}
}
private void BeforeDraw()
{
m_bNoDrawChildren = false;
if (m_childClippingMode == CCClipMode.Bounds)
{
// We always clip to the bounding box
var rect = new CCRect(0, 0, m_obContentSize.Width, m_obContentSize.Height);
var bounds = CCAffineTransform.Transform(rect, NodeToWorldTransform());
var winSize = CCDirector.SharedDirector.WinSize;
CCRect prevScissorRect;
if (CCDrawManager.ScissorRectEnabled)
{
prevScissorRect = CCDrawManager.ScissorRect;
}
else
{
prevScissorRect = new CCRect(0, 0, winSize.Width, winSize.Height);
}
if (!bounds.IntersectsRect(prevScissorRect))
{
m_bNoDrawChildren = true;
return;
}
float minX = Math.Max(bounds.MinX, prevScissorRect.MinX);
float minY = Math.Max(bounds.MinY, prevScissorRect.MinY);
float maxX = Math.Min(bounds.MaxX, prevScissorRect.MaxX);
float maxY = Math.Min(bounds.MaxY, prevScissorRect.MaxY);
if (CCDrawManager.ScissorRectEnabled)
{
m_bRestoreScissor = true;
}
else
{
CCDrawManager.ScissorRectEnabled = true;
}
m_tSaveScissorRect = prevScissorRect;
CCDrawManager.SetScissorInPoints(minX, minY, maxX - minX, maxY - minY);
}
else if (m_childClippingMode == CCClipMode.BoundsWithRenderTarget)
{
m_tSaveScissorRect = CCDrawManager.ScissorRect;
m_bRestoreScissor = CCDrawManager.ScissorRectEnabled;
CCDrawManager.ScissorRectEnabled = false;
CCDrawManager.PushMatrix();
CCDrawManager.SetIdentityMatrix();
m_pRenderTexture.BeginWithClear(0, 0, 0, 0);
}
}
/// <summary>
/// Draw the scene.
/// This method is called every frame. Don't call it manually.
/// </summary>
protected void DrawScene(GameTime gameTime)
{
if (m_NeedsInit)
{
return;
}
float startTime = 0;
if (m_bDisplayStats)
{
startTime = (float)m_pStopwatch.Elapsed.TotalMilliseconds;
}
CCDrawManager.PushMatrix();
// draw the scene
if (m_pRunningScene != null)
{
GraphIndex = 0;
m_pRunningScene.Visit();
}
// draw the notifications node
if (m_pNotificationNode != null)
{
NotificationNode.Visit();
}
if (m_bDisplayStats)
{
ShowStats();
}
CCDrawManager.PopMatrix();
m_uTotalFrames++;
if (m_bDisplayStats)
{
m_uDrawCount++;
m_fAccumDraw += (float)m_pStopwatch.Elapsed.TotalMilliseconds - startTime;
}
}
/// <summary>
/// This is called with every call to the MainLoop on the CCDirector class. In XNA, this is the same as the Draw() call.
/// </summary>
public virtual void Visit()
{
// quick return if not visible. children won't be drawn.
if (!m_bVisible)
{
return;
}
CCDrawManager.PushMatrix();
if (m_pGrid != null && m_pGrid.Active)
{
m_pGrid.BeforeDraw();
//TransformAncestors();
}
else
{
Transform();
}
int i = 0;
if ((m_pChildren != null) && (m_pChildren.count > 0))
{
SortAllChildren();
CCNode[] elements = m_pChildren.Elements;
int count = m_pChildren.count;
// draw children zOrder < 0
for (; i < count; ++i)
{
if (elements[i].Visible && elements[i].m_nZOrder < 0)
{
elements[i].Visit();
}
else
{
break;
}
}
// self draw
Draw();
// draw the children
for (; i < count; ++i)
{
// Draw the z >= 0 order children next.
if (elements[i].Visible /* && elements[i].m_nZOrder >= 0*/)
{
elements[i].Visit();
}
}
}
else
{
// self draw
Draw();
}
m_uOrderOfArrival = 0;
if (m_pGrid != null && m_pGrid.Active)
{
m_pGrid.AfterDraw(this);
Transform();
m_pGrid.Blit();
}
//kmGLPopMatrix();
CCDrawManager.PopMatrix();
}
/**
* Determines whether it clips its children or not.
*/
public override void Visit()
{
// quick return if not visible
if (!Visible)
{
return;
}
CCDrawManager.PushMatrix();
//kmGLPushMatrix();
if (m_pGrid != null && m_pGrid.Active)
{
m_pGrid.BeforeDraw();
TransformAncestors();
}
Transform();
BeforeDraw();
if (m_pChildren != null)
{
CCNode[] arrayData = m_pChildren.Elements;
int count = m_pChildren.count;
int i = 0;
// draw children zOrder < 0
for (; i < count; i++)
{
CCNode child = arrayData[i];
if (child.m_nZOrder < 0)
{
child.Visit();
}
else
{
break;
}
}
// this draw
Draw();
// draw children zOrder >= 0
for (; i < count; i++)
{
arrayData[i].Visit();
}
}
else
{
Draw();
}
AfterDraw();
if (m_pGrid != null && m_pGrid.Active)
{
m_pGrid.AfterDraw(this);
}
CCDrawManager.PopMatrix();
//kmGLPopMatrix();
/*
* // draw bounding box
* CCRect box = m_pContainer.boundingBox;
* var v = new[]
* {
* new CCPoint(box.origin.x, box.origin.y),
* new CCPoint(box.origin.x + box.size.width, box.origin.y),
* new CCPoint(box.origin.x + box.size.width, box.origin.y + box.size.height),
* new CCPoint(box.origin.x, box.origin.y + box.size.height),
* };
* CCDrawingPrimitives.ccDrawPoly(v, 4, true, new ccColor4F(255, 0, 0, 255));
*/
}
/**
* Determines whether it clips its children or not.
*/
public override void Visit()
{
// quick return if not visible
if (!Visible)
{
return;
}
CCDrawManager.PushMatrix();
if (m_pGrid != null && m_pGrid.Active)
{
m_pGrid.BeforeDraw();
TransformAncestors();
}
Transform();
BeforeDraw();
if (m_pChildren != null)
{
SortAllChildren();
CCNode[] arrayData = m_pChildren.Elements;
int count = m_pChildren.count;
int i = 0;
// draw children zOrder < 0
for (; i < count; i++)
{
CCNode child = arrayData[i];
if (child.m_nZOrder < 0)
{
child.Visit();
}
else
{
break;
}
}
// this draw
Draw();
// draw children zOrder >= 0
for (; i < count; i++)
{
arrayData[i].Visit();
}
}
else
{
Draw();
}
AfterDraw();
if (m_pGrid != null && m_pGrid.Active)
{
m_pGrid.AfterDraw(this);
}
CCDrawManager.PopMatrix();
}
public override void Visit()
{
if (m_pStencil == null || !m_pStencil.Visible)
{
if (m_bInverted)
{
// draw everything
base.Visit();
}
return;
}
if (_layer + 1 == 8) //DepthFormat.Depth24Stencil8
{
if (_once)
{
CCLog.Log(
"Nesting more than 8 stencils is not supported. Everything will be drawn without stencil for this node and its childs."
);
_once = false;
}
base.Visit();
return;
}
_layer++;
int maskLayer = 1 << _layer;
int maskLayerL = maskLayer - 1;
int maskLayerLe = maskLayer | maskLayerL;
var saveDepthStencilState = CCDrawManager.DepthStencilState;
///////////////////////////////////
// CLEAR STENCIL BUFFER
var stencilState = new DepthStencilState()
{
DepthBufferEnable = false,
StencilEnable = true,
StencilFunction = CompareFunction.Never,
StencilMask = maskLayer,
StencilWriteMask = maskLayer,
ReferenceStencil = maskLayer,
StencilFail = !m_bInverted ? StencilOperation.Zero : StencilOperation.Replace
};
CCDrawManager.DepthStencilState = stencilState;
// draw a fullscreen solid rectangle to clear the stencil buffer
var size = CCDirector.SharedDirector.WinSize;
CCDrawManager.PushMatrix();
CCDrawManager.SetIdentityMatrix();
CCDrawingPrimitives.Begin();
CCDrawingPrimitives.DrawSolidRect(CCPoint.Zero, new CCPoint(size.Width, size.Height), new CCColor4B(255, 255, 255, 255));
CCDrawingPrimitives.End();
CCDrawManager.PopMatrix();
///////////////////////////////////
// DRAW CLIPPING STENCIL
stencilState = new DepthStencilState()
{
DepthBufferEnable = false,
StencilEnable = true,
StencilFunction = CompareFunction.Never,
StencilMask = maskLayer,
StencilWriteMask = maskLayer,
ReferenceStencil = maskLayer,
StencilFail = !m_bInverted ? StencilOperation.Replace : StencilOperation.Zero,
};
CCDrawManager.DepthStencilState = stencilState;
if (m_fAlphaThreshold < 1)
{
if (_alphaTest == null)
{
_alphaTest = new AlphaTestEffect(CCDrawManager.GraphicsDevice);
_alphaTest.AlphaFunction = CompareFunction.Greater;
}
_alphaTest.ReferenceAlpha = (byte)(255 * m_fAlphaThreshold);
CCDrawManager.PushEffect(_alphaTest);
}
CCDrawManager.PushMatrix();
Transform();
m_pStencil.Visit();
CCDrawManager.PopMatrix();
if (m_fAlphaThreshold < 1)
{
CCDrawManager.PopEffect();
}
///////////////////////////////////
// DRAW CONTENT
stencilState = new DepthStencilState()
{
DepthBufferEnable = saveDepthStencilState.DepthBufferEnable,
StencilEnable = true,
StencilMask = maskLayerLe,
StencilWriteMask = 0,
ReferenceStencil = maskLayerLe,
StencilFunction = CompareFunction.Equal,
StencilPass = StencilOperation.Keep,
StencilFail = StencilOperation.Keep,
};
CCDrawManager.DepthStencilState = stencilState;
base.Visit();
//Restore DepthStencilState
CCDrawManager.DepthStencilState = saveDepthStencilState;
_layer--;
}