private void AddedToStageHandler(DisplayObject target, DisplayObject currentTarget)
{
_started = true;
_waitFrames = 3;
AddTestObjects(40);
SparrowSharpApp.ShowStats = true;
}
/// <summary>
/// Returns the movement of the touch between the current and previous location.
/// </summary>
public Point MovementInSpace(DisplayObject space)
{
Matrix transformationMatrix = Target.Stage.TransformationMatrixToSpace(space);
Point curLoc = transformationMatrix.TransformPoint(GlobalX, GlobalY);
Point preLoc = transformationMatrix.TransformPoint(PreviousGlobalX, PreviousGlobalY);
curLoc.SubtractPoint(preLoc);
return curLoc;
}
/// <summary>
/// Draws an object onto the texture, adhering its properties for position, scale, rotation and alpha.
/// </summary>
public void DrawObject(DisplayObject obj)
{
DrawBundled(delegate
{
_renderSupport.PushState(obj.TransformationMatrix, obj.Alpha, obj.BlendMode);
obj.Render(_renderSupport);
_renderSupport.PopState();
});
}
/// Gets a set of Touch objects that originated over a certain target.
public List<Touch> TouchesWithTarget (DisplayObject target)
{
List<Touch> touchesFound = new List<Touch> ();
foreach (Touch touch in _touches) {
if (target == touch.Target ||
(target is DisplayObjectContainer && ((DisplayObjectContainer)target).ContainsChild(touch.Target)))
{
touchesFound.Add(touch);
}
}
return touchesFound;
}
void OnEnterFrame(DisplayObject target, float passedTime)
{
totalTime += passedTime;
frameCount++;
if (totalTime > 1000)
{
FramesPerSecond = Math.Round(frameCount / (totalTime/1000), 1);
frameCount = 0;
totalTime = 0;
Update();
}
}
private void AddedToStageHandler(DisplayObject target, DisplayObject currentTarget)
{
AddChild(txt);
txt.Y = 25;
SparrowSharpApp.ShowStats = true;
if (mRectangle != null) {
mMinX = mRectangle.X;
mMinY = mRectangle.Y;
mMaxX = mRectangle.X + mRectangle.Width - 26;
mMaxY = mRectangle.Y + mRectangle.Height - 37;
}else{
mMaxX = Stage.Width - 26;
mMaxY = Stage.Height - 37;
}
Count = mCount;
EnterFrame += EnterFrameHandler;
Stage.Touch += MyTouchHandler;
}
/// <summary>
/// Adds a child to the container at a certain index.
/// </summary>
public void AddChild(DisplayObject child, int index)
{
if (index >= 0 && index <= _children.Count)
{
child.RemoveFromParent();
_children.Insert(index, child);
child.Parent = this;
child.InvokeAdded(child, this);
if (Stage != null)
{
child.BroadcastAddedToStageEvent(this);
}
}
else
{
throw new IndexOutOfRangeException("Invalid child index " + index);
}
}
private void AddedToStageHandler(DisplayObject target, DisplayObject currentTarget)
{
/*
RenderTexture tex = new RenderTexture (400, 300, 0xf1ff00ff);
tex.DrawBundled(delegate
{
for (int i=0; i<12; ++i)
{
Image img = new Image(textures[i%3]);
//img.Rotation = (2 * (float)Math.PI / 12) * i;
img.X = i * 30;
tex.DrawObject(img);
}
});
AddChild (new Image(tex));*/
_started = true;
_waitFrames = 3;
AddTestObjects(1);
///SparrowSharpApp.ShowStats = true;
}
private void EnterFrameHandler(DisplayObject target, float passedTime)
{
if (!_started)
return;
_elapsed += passedTime / 1000;
++_frameCount;
if (_frameCount % _waitFrames == 0)
{
float targetFPS = 60;
float realFPS = _waitFrames / _elapsed;
//Console.WriteLine ("FPS: " + realFPS);
if (realFPS >= targetFPS)
{
int numObjects = _failCount != 0 ? 5 : 25;
AddTestObjects(numObjects);
_failCount = 0;
}
else
{
++_failCount;
if (_failCount > 15)
_waitFrames = 5; // slow down creation process to be more exact
if (_failCount > 20)
_waitFrames = 10;
if (_failCount == 25)
BenchmarkComplete(); // target fps not reached for a while
}
_elapsed = _frameCount = 0;
}
for (int i = 0; i < _container.NumChildren; i++)
{
DisplayObject child = _container.GetChild(i);
child.Rotation += 0.05f;
}
}
/// <summary>
/// Adds a child to the container. It will be at the topmost position.
/// </summary>
public void AddChild(DisplayObject child)
{
AddChild(child, _children.Count);
}
internal virtual void InvokeKeyDown(DisplayObject target, DisplayObject currentTarget)
{
if (KeyDown != null)
{
KeyDown(target, currentTarget);
}
}
void OnAddedToStage(DisplayObject target, DisplayObject currentTarget)
{
FramesPerSecond = NumDrawCalls = 0;
Update();
}
public override Rectangle GetBounds(DisplayObject targetSpace)
{
return(MeshUtil.CalculateBounds(_vertexData, this, targetSpace));
}
internal virtual void InvokeAdded(DisplayObject target, DisplayObject currentTarget)
{
if (Added != null)
{
Added(target, currentTarget);
}
}
public override Rectangle BoundsInSpace(DisplayObject targetSpace)
{
Point bottomRight;
if (targetSpace == this)
{
// optimization
bottomRight = _vertexData.PositionAt(3);
return new Rectangle(0.0f, 0.0f, bottomRight.X, bottomRight.Y);
}
else if (targetSpace == Parent && Rotation == 0.0f)
{
// optimization
float scaleX = ScaleX;
float scaleY = ScaleY;
bottomRight = _vertexData.PositionAt(3);
Rectangle resultRect = new Rectangle(X - PivotX * scaleX,
Y - PivotY * scaleY,
bottomRight.X * ScaleX,
bottomRight.Y * ScaleY);
if (scaleX < 0.0f)
{
resultRect.Width *= -1.0f;
resultRect.X -= resultRect.Width;
}
if (scaleY < 0.0f)
{
resultRect.Height *= -1.0f;
resultRect.Top -= resultRect.Height;
}
return resultRect;
}
else
{
Matrix transformationMatrix = TransformationMatrixToSpace(targetSpace);
return _vertexData.BoundsAfterTransformation(transformationMatrix, 0, 4);
}
}
/// <summary>
/// Analyses an object that is made up exclusively of quads (or other containers) and saves the
/// resulting quad batches into the specified an array; batches inside that array are reused.
/// </summary>
public static List<QuadBatch> Compile(DisplayObject displayObject, List<QuadBatch> quadBatches = null)
{
if (quadBatches == null)
{
quadBatches = new List<QuadBatch>();
}
Matrix identity = Matrix.Create();
identity.Identity();
Compile(displayObject, quadBatches, -1, identity, 1.0f, Sparrow.Display.BlendMode.AUTO);
return quadBatches;
}
public override void Render(Painter painter)
{
int numChildren = _children.Count;
uint frameId = painter.FrameId;
bool cacheEnabled = frameId != 0;
bool selfOrParentChanged = _lastParentOrSelfChangeFrameID == frameId;
for (int i = 0; i < numChildren; ++i)
{
DisplayObject child = _children[i];
if (child._hasVisibleArea)
{
if (selfOrParentChanged)
{
child._lastParentOrSelfChangeFrameID = frameId;
}
if (child._lastParentOrSelfChangeFrameID != frameId &&
child._lastChildChangeFrameID != frameId &&
child._tokenFrameID == frameId - 1 && cacheEnabled)
{
painter.PushState(SCacheToken);
painter.DrawFromCache(child._pushToken, child._popToken);
painter.PopState(child._popToken);
child._pushToken.CopyFrom(SCacheToken);
}
else
{
BatchToken pushToken = cacheEnabled ? child._pushToken : null;
BatchToken popToken = cacheEnabled ? child._popToken : null;
FragmentFilter filter = child._filter;
DisplayObject mask = child._mask;
painter.PushState(pushToken);
painter.SetStateTo(child.TransformationMatrix, child.Alpha, child.BlendMode);
if (mask != null)
{
painter.DrawMask(mask, child);
}
if (filter != null)
{
filter.Render(painter);
}
else
{
child.Render(painter);
}
if (mask != null)
{
painter.EraseMask(mask, child);
}
painter.PopState(popToken);
}
if (cacheEnabled)
{
child._tokenFrameID = frameId;
}
}
}
}
override public Rectangle BoundsInSpace(DisplayObject targetSpace)
{
Matrix matrix = targetSpace == this ? null : TransformationMatrixToSpace(targetSpace);
return(_vertexData.BoundsAfterTransformation(matrix, 0, _numQuads * 4));
}
public static int Compile(DisplayObject displayObject, List <QuadBatch> quadBatches, int quadBatchID,
Matrix transformationMatrix, float alpha, uint blendMode)
{
bool isRootObject = false;
float objectAlpha = displayObject.Alpha;
Quad quad = displayObject is Quad ? (Quad)displayObject : null;
QuadBatch batch = displayObject is QuadBatch ? (QuadBatch)displayObject : null;
DisplayObjectContainer container = displayObject is DisplayObjectContainer ? (DisplayObjectContainer)displayObject : null;
if (quadBatchID == -1)
{
isRootObject = true;
quadBatchID = 0;
objectAlpha = 1.0f;
blendMode = displayObject.BlendMode;
if (quadBatches.Count == 0)
{
quadBatches.Add(new QuadBatch());
}
else
{
quadBatches[0].Reset();
}
}
if (container != null)
{
Matrix childMatrix = Matrix.Create();
childMatrix.Identity();
int numChildren = container.NumChildren;
for (int i = 0; i < numChildren; i++)
{
DisplayObject child = container.GetChild(i);
if (child.HasVisibleArea)
{
uint childBlendMode = child.BlendMode;
if (childBlendMode == Sparrow.Display.BlendMode.AUTO)
{
childBlendMode = blendMode;
}
childMatrix.CopyFromMatrix(transformationMatrix);
childMatrix.PrependMatrix(child.TransformationMatrix);
quadBatchID = Compile(child, quadBatches, quadBatchID, childMatrix, alpha * objectAlpha, childBlendMode);
}
}
}
else if (quad != null)
{
Texture texture = quad.Texture;
bool tinted = quad.Tinted;
bool pma = quad.PremultipliedAlpha;
QuadBatch currentBatch = quadBatches[quadBatchID];
if (currentBatch.IsStateChange(tinted, texture, alpha * objectAlpha, pma, blendMode, 1))
{
quadBatchID++;
if (quadBatches.Count <= quadBatchID)
{
quadBatches.Add(new QuadBatch());
}
currentBatch = quadBatches[quadBatchID];
currentBatch.Reset();
}
currentBatch.AddQuad(quad, alpha * objectAlpha, blendMode, transformationMatrix);
}
else if (batch != null)
{
Texture texture = quad.Texture;
bool tinted = quad.Tinted;
bool pma = quad.PremultipliedAlpha;
int numQuads = batch.NumQuads;
QuadBatch currentBatch = quadBatches[quadBatchID];
if (currentBatch.IsStateChange(tinted, texture, alpha * objectAlpha, pma, blendMode, numQuads))
{
quadBatchID++;
if (quadBatches.Count <= quadBatchID)
{
quadBatches.Add(new QuadBatch());
}
currentBatch = quadBatches[quadBatchID];
currentBatch.Reset();
}
currentBatch.AddQuadBatch(batch, alpha * objectAlpha, blendMode, transformationMatrix);
}
else
{
throw new InvalidOperationException("Unsupported display object");
}
if (!isRootObject)
{
return(quadBatchID);
}
// remove unused batches
for (int i = quadBatches.Count - 1; i > quadBatchID; --i)
{
quadBatches.RemoveAt(quadBatches.Count - 1);
}
return(quadBatchID);
}
private void CalcBounds(DisplayObject obj,
Stage stage,
float scale,
bool intersectWithStage,
out Rectangle bounds,
out Rectangle boundsPOT)
{
float marginX;
float marginY;
// optimize for full-screen effects
if (obj == stage || obj == SparrowSharpApp.Root)
{
marginX = marginY = 0;
bounds = new Rectangle(0, 0, stage.Width, stage.Height);
}
else
{
marginX = MarginX;
marginY = MarginY;
bounds = obj.BoundsInSpace(stage);
}
if (intersectWithStage)
bounds = bounds.Intersection(stage.Bounds);
boundsPOT = null;
Rectangle result = bounds;
if (!result.IsEmpty())
{
// the bounds are a rectangle around the object, in stage coordinates,
// and with an optional margin.
bounds.Inflate(marginX, marginY);
// To fit into a POT-texture, we extend it towards the right and bottom.
int minSize = (int)(MIN_TEXTURE_SIZE / scale);
float minWidth = result.Width > minSize ? result.Width : minSize;
float minHeight = result.Height > minSize ? result.Height : minSize;
boundsPOT = new Rectangle(result.X,
result.Top,
NumberUtil.NextPowerOfTwo(minWidth * scale) / scale,
NumberUtil.NextPowerOfTwo(minHeight * scale) / scale);
}
}
/// <summary>
/// Moves a child to a certain index. Children at and after the replaced position move up.
/// throws ArgumentException if the child is not found
/// </summary>
public void SetChildIndex(DisplayObject child, int index)
{
int oldIndex = _children.IndexOf(child);
if (oldIndex == -1)
{
throw new ArgumentException("child not found");
}
_children.RemoveAt(oldIndex);
_children.Insert(index, child);
}
/// <summary>
/// Adds a child to the container. It will be at the topmost position.
/// </summary>
public void AddChild(DisplayObject child)
{
AddChild(child, _children.Count);
}
override public Rectangle BoundsInSpace(DisplayObject targetSpace)
{
int numChildren = _children.Count;
if (numChildren == 0)
{
Matrix transformationMatrix = TransformationMatrixToSpace(targetSpace);
Point transformedPoint = transformationMatrix.TransformPoint(X, Y);
return new Rectangle(transformedPoint.X, transformedPoint.Y);
}
else if (numChildren == 1)
{
return _children[0].BoundsInSpace(targetSpace);
}
else
{
float minX = float.MaxValue, maxX = -float.MaxValue, minY = float.MaxValue, maxY = -float.MaxValue;
foreach (DisplayObject child in _children)
{
Rectangle childBounds = child.BoundsInSpace(targetSpace);
minX = Math.Min(minX, childBounds.X);
maxX = Math.Max(maxX, childBounds.X + childBounds.Width);
minY = Math.Min(minY, childBounds.Top);
maxY = Math.Max(maxY, childBounds.Top + childBounds.Height);
}
return new Rectangle(minX, minY, maxX - minX, maxY - minY);
}
}
/// <summary>
/// Swaps the indexes of two children.
/// </summary>
public void SwapChild(DisplayObject child1, DisplayObject child2)
{
int index1 = _children.IndexOf(child1);
int index2 = _children.IndexOf(child2);
SwapChildrenAt(index1, index2);
}
/// <summary>
/// Removes a child from the container. If the object is not a child, nothing happens.
/// </summary>
public void RemoveChild(DisplayObject child)
{
int index = _children.IndexOf(child);
if (index != -1)
{
RemoveChildAt(index);
}
}
/// <summary>
/// Applies the filter on a certain display object, rendering the output into the current render
/// target. This method is called automatically by Sparrow's rendering system for the object the
/// filter is attached to.
/// </summary>
public void RenderObject(DisplayObject obj, RenderSupport support)
{
// bottom layer
if (Mode == FragmentFilterMode.Above)
{
obj.Render(support);
}
// center layer
if (_cacheRequested)
{
_cacheRequested = false;
_cache = RenderPasses(obj, support, true);
DisposePassTextures();
}
if (_cache != null)
{
_cache.Render(support);
}
else
{
RenderPasses(obj, support, false);
}
// top layer
if (Mode == FragmentFilterMode.Below)
{
obj.Render(support);
}
}
private void AddedToStageHandler(DisplayObject target, DisplayObject currentTarget)
{
_started = true;
_waitFrames = 3;
AddTestObjects(100);
}
private QuadBatch RenderPasses(DisplayObject obj, RenderSupport support, bool intoCache)
{
Texture cacheTexture = null;
Stage stage = obj.Stage;
float scale = Resolution;
if (stage == null)
{
throw new InvalidOperationException("Filtered object must be on the stage.");
}
// the bounds of the object in stage coordinates
Rectangle boundsPOT;
Rectangle bounds;
CalcBounds(obj, stage, scale, !intoCache, out bounds, out boundsPOT);
if (bounds.IsEmpty())
{
DisposePassTextures();
return intoCache ? new QuadBatch() : null;
}
UpdateBuffers(boundsPOT);
UpdatePassTextures((int)boundsPOT.Width, (int)boundsPOT.Height, scale);
support.FinishQuadBatch();
support.AddDrawCalls(NumPasses);
support.PushState(Matrix.Create(), 1.0f, BlendMode.AUTO);
// save original projection matrix and render target
_projMatrix.CopyFromMatrix(support.ProjectionMatrix);
Texture previousRenderTarget = support.RenderTarget;
// use cache?
if (intoCache)
{
cacheTexture = CreateTexture((int)boundsPOT.Width, (int)boundsPOT.Height, scale);
}
// draw the original object into a texture
support.RenderTarget = _passTextures[0];
SparrowSharpApp.Context.ScissorBox = null; // we want the entire texture cleared
support.Clear();
support.BlendMode = BlendMode.NORMAL;
support.SetupOrthographicProjection(boundsPOT.Left, boundsPOT.Right, boundsPOT.Bottom, boundsPOT.Top);
obj.Render(support);
support.FinishQuadBatch();
// prepare drawing of actual filter passes
support.ApplyBlendMode(true);
support.ModelViewMatrix.Identity();
support.PushClipRect(bounds);
GL.BindBuffer (BufferTarget.ArrayBuffer, _vertexBufferName);
GL.BindBuffer (BufferTarget.ElementArrayBuffer, _indexBufferName);
GL.EnableVertexAttribArray (VertexPosID);
GL.VertexAttribPointer (VertexPosID, 2, VertexAttribPointerType.Float, false, Vertex.SIZE, (IntPtr)Vertex.POSITION_OFFSET);
GL.EnableVertexAttribArray (TexCoordsID);
GL.VertexAttribPointer (TexCoordsID, 2, VertexAttribPointerType.Float, false, Vertex.SIZE, (IntPtr)Vertex.TEXTURE_OFFSET);
// draw all passes
for (int i = 0; i < NumPasses; ++i)
{
if (i < NumPasses - 1)
{ // intermediate pass
// draw into pass texture
support.RenderTarget = PassTextureForPass(i + 1);
support.Clear();
}
else
{ // final pass
if (intoCache)
{
// draw into cache texture
support.RenderTarget = cacheTexture;
support.Clear();
}
else
{
// draw into back buffer, at original (stage) coordinates
support.RenderTarget = previousRenderTarget;
support.ProjectionMatrix = _projMatrix;
support.ModelViewMatrix.Translate(OffsetX, OffsetY);
support.BlendMode = obj.BlendMode;
support.ApplyBlendMode(true);
}
}
Texture passTexture = PassTextureForPass(i);
GL.ActiveTexture (TextureUnit.Texture0);
GL.BindTexture (TextureTarget.Texture2D, passTexture.Name);
ActivateWithPass (i, passTexture, support.MvpMatrix);
GL.DrawElements (BeginMode.Triangles, 6, DrawElementsType.UnsignedShort, IntPtr.Zero);
DeactivateWithPass(i, passTexture);
}
GL.DisableVertexAttribArray(VertexPosID);
GL.DisableVertexAttribArray(TexCoordsID);
support.PopState();
support.PopClipRect();
QuadBatch cache = null;
if (intoCache)
{
// restore support settings
support.RenderTarget = previousRenderTarget;
support.ProjectionMatrix = _projMatrix;
// Create an image containing the cache. To have a display object that contains
// the filter output in object coordinates, we wrap it in a QuadBatch: that way,
// we can modify it with a transformation matrix.
cache = new QuadBatch();
Image image = new Image(cacheTexture);
Matrix matrix = stage.TransformationMatrixToSpace(obj);
// Note: the next line was originally:
// matrix.Translate (bounds.X + OffsetX, bounds.Y + OffsetY);
// this seems like a sparrow-s bug; fix is from Starling
matrix.PrependTranslation(bounds.X + OffsetX, bounds.Top + OffsetY);
cache.AddQuad(image, 1.0f, BlendMode.AUTO, matrix);
}
return cache;
}
/// <summary>
/// Converts the previous location of a touch to the local coordinate system of a display object.
/// </summary>
public Point PreviousLocationInSpace(DisplayObject space)
{
Matrix transformationMatrix = Target.Stage.TransformationMatrixToSpace(space);
return transformationMatrix.TransformPoint(PreviousGlobalX, PreviousGlobalY);
}
override public Rectangle BoundsInSpace(DisplayObject targetSpace)
{
return _hitArea.BoundsInSpace(targetSpace);
}
/// <summary>
/// Returns the index of a child within the container. Returns -1 if the child is not within this container
/// </summary>
public int GetChildIndex(DisplayObject child)
{
return(_children.IndexOf(child));
}
private void EnterFrameHandler(DisplayObject target, float passedTime)
{
mCount = mBunnies.Count;
var arr = mBunnies.ToArray();
//for (int i=0;i<mBunnies.Count;i++) { mBunny = mBunnies[i];
foreach (Bunny mBunny in mBunnies) {
mBunny.X += mBunny.SpeedX;
mBunny.Y += mBunny.SpeedY;
mBunny.SpeedY += mGravity;
//b.alpha = 0.3 + 0.7 * b.y / maxY;
if (mBunny.X > mMaxX)
{
mBunny.SpeedX *= -1;
mBunny.X = mMaxX;
}
else if (mBunny.X < mMinX)
{
mBunny.SpeedX *= -1;
mBunny.X = mMinX;
}
if (mBunny.Y > mMaxY)
{
mBunny.SpeedY *= -0.8f;
mBunny.Y = mMaxY;
if (random.NextDouble() > 0.5) mBunny.SpeedY -= 3 + (float)random.NextDouble() * 4;
}
else if (mBunny.Y < mMinY)
{
mBunny.SpeedY = 0;
mBunny.Y = mMinY;
}
}
}
/// <summary>
/// Creates a matrix that represents the transformation from the local coordinate system to another.
/// </summary>
public Matrix TransformationMatrixToSpace(DisplayObject targetSpace)
{
DisplayObject currentObject;
Matrix selfMatrix;
Matrix targetMatrix;
if (targetSpace == this)
{
Matrix identity = Matrix.Create();
identity.Identity();
return identity;
}
else if (targetSpace == _parent || (targetSpace == null && _parent == null))
{
Matrix transformationMatrix = Matrix.Create();
transformationMatrix.CopyFromMatrix(TransformationMatrix);
return transformationMatrix;
}
else if (targetSpace == null || targetSpace == Root)
{
// targetSpace 'null' represents the target coordinate of the base object.
// -> move up from this to base
selfMatrix = Matrix.Create();
selfMatrix.Identity();
currentObject = this;
while (currentObject != targetSpace)
{
selfMatrix.AppendMatrix(currentObject.TransformationMatrix);
currentObject = currentObject.Parent;
}
return selfMatrix;
}
else if (targetSpace.Parent == this)
{
targetMatrix = Matrix.Create();
targetMatrix.CopyFromMatrix(targetSpace.TransformationMatrix);
targetMatrix.Invert();
return targetMatrix;
}
// 1.: Find a common parent of this and the target coordinate space.
List<DisplayObject> ancestors = new List<DisplayObject>();
int count = 0;
DisplayObject commonParent = null;
currentObject = this;
while (currentObject != null && count < MAX_DISPLAY_TREE_DEPTH)
{
ancestors.Add(currentObject);
currentObject = currentObject.Parent;
count++;
}
currentObject = targetSpace;
while (currentObject != null && commonParent == null)
{
for (int i = 0; i < count; ++i)
{
if (currentObject == ancestors[i])
{
commonParent = ancestors[i];
break;
}
}
currentObject = currentObject.Parent;
}
if (commonParent == null)
{
throw new Exception("Object not connected to target");
}
// 2.: Move up from this to common parent
selfMatrix = Matrix.Create();
selfMatrix.Identity();
currentObject = this;
while (currentObject != commonParent)
{
selfMatrix.AppendMatrix(currentObject.TransformationMatrix);
currentObject = currentObject.Parent;
}
// 3.: Now move up from target until we reach the common parent
targetMatrix = Matrix.Create();
targetMatrix.Identity();
currentObject = targetSpace;
while (currentObject != null && currentObject != commonParent)
{
targetMatrix.AppendMatrix(currentObject.TransformationMatrix);
currentObject = currentObject.Parent;
}
// 4.: Combine the two matrices
targetMatrix.Invert();
selfMatrix.AppendMatrix(targetMatrix);
return selfMatrix;
}
override public Rectangle BoundsInSpace(DisplayObject targetSpace)
{
Matrix matrix = targetSpace == this ? null : TransformationMatrixToSpace(targetSpace);
return _vertexData.BoundsAfterTransformation(matrix, 0, _numQuads * 4);
}
/// <summary> /// Returns a rectangle that completely encloses the object as it appears in another coordinate system. /// </summary> public abstract Rectangle BoundsInSpace(DisplayObject targetSpace);
public static int Compile(DisplayObject displayObject, List<QuadBatch> quadBatches, int quadBatchID,
Matrix transformationMatrix, float alpha, uint blendMode)
{
bool isRootObject = false;
float objectAlpha = displayObject.Alpha;
Quad quad = displayObject is Quad ? (Quad)displayObject : null;
QuadBatch batch = displayObject is QuadBatch ? (QuadBatch)displayObject : null;
DisplayObjectContainer container = displayObject is DisplayObjectContainer ? (DisplayObjectContainer)displayObject : null;
if (quadBatchID == -1)
{
isRootObject = true;
quadBatchID = 0;
objectAlpha = 1.0f;
blendMode = displayObject.BlendMode;
if (quadBatches.Count == 0)
{
quadBatches.Add(new QuadBatch());
}
else
{
quadBatches[0].Reset();
}
}
if (container != null)
{
Matrix childMatrix = Matrix.Create();
childMatrix.Identity();
int numChildren = container.NumChildren;
for (int i = 0; i < numChildren; i++)
{
DisplayObject child = container.GetChild(i);
if (child.HasVisibleArea)
{
uint childBlendMode = child.BlendMode;
if (childBlendMode == Sparrow.Display.BlendMode.AUTO)
{
childBlendMode = blendMode;
}
childMatrix.CopyFromMatrix(transformationMatrix);
childMatrix.PrependMatrix(child.TransformationMatrix);
quadBatchID = Compile(child, quadBatches, quadBatchID, childMatrix, alpha * objectAlpha, childBlendMode);
}
}
}
else if (quad != null)
{
Texture texture = quad.Texture;
bool tinted = quad.Tinted;
bool pma = quad.PremultipliedAlpha;
QuadBatch currentBatch = quadBatches[quadBatchID];
if (currentBatch.IsStateChange(tinted, texture, alpha * objectAlpha, pma, blendMode, 1))
{
quadBatchID++;
if (quadBatches.Count <= quadBatchID)
{
quadBatches.Add(new QuadBatch());
}
currentBatch = quadBatches[quadBatchID];
currentBatch.Reset();
}
currentBatch.AddQuad(quad, alpha * objectAlpha, blendMode, transformationMatrix);
}
else if (batch != null)
{
Texture texture = quad.Texture;
bool tinted = quad.Tinted;
bool pma = quad.PremultipliedAlpha;
int numQuads = batch.NumQuads;
QuadBatch currentBatch = quadBatches[quadBatchID];
if (currentBatch.IsStateChange(tinted, texture, alpha * objectAlpha, pma, blendMode, numQuads))
{
quadBatchID++;
if (quadBatches.Count <= quadBatchID)
{
quadBatches.Add(new QuadBatch());
}
currentBatch = quadBatches[quadBatchID];
currentBatch.Reset();
}
currentBatch.AddQuadBatch(batch, alpha * objectAlpha, blendMode, transformationMatrix);
}
else
{
throw new InvalidOperationException("Unsupported display object");
}
if (!isRootObject)
{
return quadBatchID;
}
// remove unused batches
for (int i = quadBatches.Count - 1; i > quadBatchID; --i)
{
quadBatches.RemoveAt(quadBatches.Count - 1);
}
return quadBatchID;
}
/// <summary>
/// Returns the bounds of the container's clipRect in the given coordinate space, or
/// null if the sprite doens't have a clipRect.
/// </summary>
public Rectangle ClipRectInSpace(DisplayObject targetSpace)
{
if (ClipRect == null)
{
return(null);
}
float minX = float.MaxValue;
float maxX = -float.MaxValue;
float minY = float.MaxValue;
float maxY = -float.MaxValue;
float clipLeft = ClipRect.Left;
float clipRight = ClipRect.Right;
float clipTop = ClipRect.Top;
float clipBottom = ClipRect.Bottom;
Matrix transform = TransformationMatrixToSpace(targetSpace);
float x = 0;
float y = 0;
for (int i = 0; i < 4; ++i)
{
switch (i)
{
case 0:
x = clipLeft;
y = clipTop;
break;
case 1:
x = clipLeft;
y = clipBottom;
break;
case 2:
x = clipRight;
y = clipTop;
break;
case 3:
x = clipRight;
y = clipBottom;
break;
}
Point transformedPoint = transform.TransformPoint(x, y);
if (minX > transformedPoint.X)
{
minX = transformedPoint.X;
}
if (maxX < transformedPoint.X)
{
maxX = transformedPoint.X;
}
if (minY > transformedPoint.Y)
{
minY = transformedPoint.Y;
}
if (maxY < transformedPoint.Y)
{
maxY = transformedPoint.Y;
}
}
return(new Rectangle(minX, minY, maxX - minX, maxY - minY)); // TODO: negative value checks?
}