private DisplayObjectX findCommonParent(DisplayObjectX object1, DisplayObjectX object2)
{
DisplayObjectX currentObject = object1;
while (currentObject != null)
{
sAncestors.Add(currentObject);
currentObject = currentObject.mParent;
}
currentObject = object2;
while (currentObject != null && sAncestors.IndexOf(currentObject) == -1)
{
currentObject = currentObject.mParent;
}
sAncestors.Clear();
if (currentObject != null)
{
return(currentObject);
}
throw new ArgumentException("Object not connected to target");
}
public override void render(RenderSupport support, float parentAlpha)
{
float alpha = parentAlpha * this.alpha;
int numChildren = mChildren.Count;
for (int i = 0; i < numChildren; ++i)
{
DisplayObjectX child = mChildren[i];
if (child.hasVisibleArea)
{
child.sceneTransform = Transform2X.multiply(mSceneTransform, child.transform);
support.blendMode = child.blendMode;
// if (filter)
// {
// filter.render(child, support, alpha);
// }
// else
// {
child.render(support, alpha);
// }
support.blendMode = blendMode;
}
}
}
private void touchEndHandle()
{
if (_draggingTarget == this)
{
_draggingTarget = null;
}
}
private void resetContents()
{
removeEventListener(MouseEventX.MOUSE_UP, onMouseUp);
removeEventListener(MouseEventX.MOUSE_LEAVE, onMouseLeave);
mIsDown = false;
mBackground = mUpState;
mContents.x = mContents.y = 0f;
mContents.scaleX = mContents.scaleY = 1.0f;
}
public DisplayObjectX removeChild(DisplayObjectX child, bool dispose = false)
{
int childIndex = getChildIndex(child);
if (childIndex != -1)
{
removeChildAt(childIndex, dispose);
}
return(child);
}
public void upState(DisplayObjectX value)
{
if (mUpState != value)
{
mUpState = value;
if (!mIsDown)
{
mBackground = value;
}
}
}
public void downState(DisplayObjectX value)
{
if (mDownState != value)
{
mDownState = value;
if (mIsDown)
{
mBackground = value;
}
}
}
public override RectangleX getBounds(DisplayObjectX targetSpace)
{
RectangleX resultRect = new RectangleX();
int numChildren = mChildren.Count;
if (numChildren == 0)
{
getTransformationMatrix(targetSpace, sHelperTransform);
//todo;
resultRect.setTo(0, 0, 0, 0);
}
else if (numChildren == 1)
{
resultRect = mChildren[0].getBounds(targetSpace);
}
else
{
float minX = float.MaxValue;
float maxX = -float.MaxValue;
float minY = float.MinValue;
float maxY = -float.MinValue;
for (int i = 0; i < numChildren; ++i)
{
resultRect = mChildren[i].getBounds(targetSpace);
if (minX > resultRect.x)
{
minX = resultRect.x;
}
if (maxX < resultRect.width)
{
maxX = resultRect.width;
}
if (minY > resultRect.y)
{
minY = resultRect.y;
}
if (maxY < resultRect.height)
{
maxY = resultRect.height;
}
}
resultRect.setTo(minX, minY, maxX - minX, maxY - minY);
}
return(resultRect);
}
public virtual DisplayObjectX addChildAt(DisplayObjectX child, int index)
{
int numChildren = mChildren.Count;
if (index >= 0 && index <= numChildren)
{
if (child.parent == this)
{
setChildIndex(child, index); // avoids dispatching events
}
else
{
child.removeFromParent();
// 'splice' creates a temporary object, so we avoid it if it's not necessary
if (index == numChildren)
{
mChildren.Add(child);
}
else
{
mChildren.Insert(index, child);
}
child.setParent(this);
//child.dispatchEventWith(EventX.ADDED, true);
if (stage != null)
{
DisplayObjectContainerX container = child as DisplayObjectContainerX;
if (container != null)
{
//递归上去;
//container.simpleDispatch(EventX.ADDED_TO_STAGE);
}
else
{
child.simpleDispatch(EventX.ADDED_TO_STAGE);
}
}
}
return(child);
}
else
{
throw new RankException();
}
}
public bool contains(DisplayObjectX child)
{
while (child != null)
{
if (child == this)
{
return(true);
}
else
{
child = child.parent;
}
}
return(false);
}
internal void setParent(DisplayObjectContainerX value)
{
DisplayObjectX ancestor = value;
while (ancestor != this && ancestor != null)
{
ancestor = ancestor.mParent;
}
if (ancestor == this)
{
throw new ArgumentException(
"An object cannot be added as a child to itself or one of its children (or children's children, etc.)");
}
else
{
mParent = value;
}
}
public void setChildIndex(DisplayObjectX child, int index)
{
int oldIndex = getChildIndex(child);
if (oldIndex == index)
{
return;
}
if (oldIndex == -1)
{
throw new ArgumentException("Not a child of this container");
}
mChildren.RemoveAt(oldIndex);
index = Math.Min(numChildren, index);
mChildren.Insert(index, child);
}
public Button(DisplayObjectX upState, string text = "", DisplayObjectX downState = null, TextFormat format = null)
{
//if (upState == null) throw new ErrorEvent("Texture cannot be null");
mParent = upState.parent;
mUpState = upState;
mDownState = downState != null ? downState : upState;
mBackground = upState;
mTextFormat = format;
mScaleWhenDown = 0.9f;
mAlphaWhenDisabled = 0.5f;
mEnabled = true;
mIsDown = false;
mUseHandCursor = true;
mTextBounds = new RectangleX(0, 0, upState.width, upState.height);
mContents = new DisplayObjectContainerX();
mContents.addChild(mBackground);
addChild(mContents);
//addEventListener(TouchEvent.TOUCH, onTouch);
addEventListener(MouseEventX.MOUSE_DOWN, onMouseDown);
if (text.Length > 0)
{
this.text = text;
}
this.x = upState.x;
this.y = upState.y;
upState.x = upState.y = 0;
if (mParent != null)
{
mParent.addChild(this);
}
}
public DisplayObjectX removeChildAt(int index, bool dispose = false)
{
if (index >= 0 && index < numChildren)
{
DisplayObjectX child = mChildren[index];
child.simpleDispatch(EventX.REMOVED);
if (stage != null)
{
DisplayObjectContainerX container = child as DisplayObjectContainerX;
if (container != null)
{
container.broadcastEventWith(EventX.REMOVED_FROM_STAGE);
}
else
{
child.simpleDispatch(EventX.REMOVED_FROM_STAGE);
}
}
child.setParent(null);
index = mChildren.IndexOf(child);
if (index >= 0)
{
mChildren.RemoveAt(index);
}
if (dispose)
{
child.dispose();
}
return(child);
}
else
{
throw new RankException("Invalid child index");
}
}
private void onMouseDown(EventX e)
{
MouseEventX mouseEvent = e as MouseEventX;
Touch touch = mouseEvent.touch;
if (!mEnabled)
{
return;
}
if (touch.phase == TouchPhase.Began && !mIsDown)
{
mBackground = mDownState;
addEventListener(MouseEventX.MOUSE_UP, onMouseUp);
addEventListener(MouseEventX.MOUSE_LEAVE, onMouseLeave);
mContents.scaleX = mContents.scaleY = mScaleWhenDown;
mContents.x = (1.0f - mScaleWhenDown) / 2.0f * mBackground.width;
mContents.y = (1.0f - mScaleWhenDown) / 2.0f * mBackground.height;
mIsDown = true;
//Debug.Log( "mouse down" );
}
}
protected void layout(DisplayObjectX _displayItem, int i)
{
int oriXY = 0;
if (_vertical)
{
if (_maxDirect == -1)
{
if (isCenter)
{
//居中
oriXY = (centerWidth - itemLen * _itemBoundHeight) / 2;
}
_displayItem.y = oriXY + i * _itemBoundHeight + _border.top;
_displayItem.x = _border.left;
return;
}
_displayItem.x = (int)(i / _maxDirect) * _itemBoundWidth + _border.left;
_displayItem.y = (i % _maxDirect) * _itemBoundHeight + _border.top;
}
else
{
if (_maxDirect == -1)
{
if (isCenter)
{
//居中
oriXY = (centerWidth - itemLen * _itemBoundWidth) / 2;
}
_displayItem.x = oriXY + i * _itemBoundWidth + _border.left;
_displayItem.y = _border.top;
return;
}
_displayItem.y = (int)(i / _maxDirect) * _itemBoundHeight + _border.top;
_displayItem.x = (i % _maxDirect) * _itemBoundWidth + _border.left;
}
}
private void touchMoveHandle(EventX e)
{
Vector2X p = (Vector2X)e.data;
float stageX = p.x;
float stageY = p.y;
float dx = stageX - mx0;
float dy = stageY - my0;
if (!_isDragging)
{
if (Math.Abs(dx) < draggingDistanceX || Math.Abs(dy) < draggingDistanceY || (dx * dx + dy * dy) < MIN_DISTANCE_SQ)
{
return;
}
_isDragging = true;
_draggingTarget = this;
CallLater.Remove(touchEndHandle);
touchStart(dx, dy);//这里面可能会有需求再变为不可拖;
if (hasEventListener(TouchEventX.TOUCH_START))
{
this.dispatchEvent(new TouchEventX(TouchEventX.TOUCH_START, 0, 0, dx, dy));
}
}
touchMoving(stageX - mx, stageY - my, dx, dy);
if (hasEventListener(TouchEventX.TOUCH_START))
{
this.dispatchEvent(new TouchEventX(TouchEventX.TOUCH_START, stageX - mx, stageY - my, dx, dy));
}
mx = stageX;
my = stageY;
}
public virtual DisplayObjectX addChild(DisplayObjectX child)
{
addChildAt(child, numChildren);
return(child);
}
public int getChildIndex(DisplayObjectX child)
{
return(mChildren.IndexOf(child));
}
public virtual RectangleX getBounds(DisplayObjectX targetSpace)
{
throw new NotImplementedException();
}
protected void setAlpha(DisplayObjectX v, float alpha)
{
v.alpha = alpha;
}
private void updateInput()
{
if (_stage == null)
{
return;
}
bool isNew = false;
MouseEventX mouseEvent;
Event currentEvent = Event.current;
if (currentEvent != null && currentEvent.button == 0)
{
Vector2 t = currentEvent.mousePosition;
mp.setTo(t.x, t.y);
_collidingObject = _stage.hitTest(mp);
isNew = (_previousCollidingObject != _collidingObject);
if (currentEvent.type == EventType.MouseDown)
{
mouseEvent = new MouseEventX(MouseEventX.MOUSE_DOWN, mp);
if (_previousCollidingObject != null && isNew)
{
_previousCollidingObject.dispatchEvent(new MouseEventX(MouseEventX.MOUSE_UP, mp));
}
if (_collidingObject != null && isNew)
{
_collidingObject.dispatchEvent(mouseEvent);
}
_stage.dispatchEvent(mouseEvent);
}
else if (currentEvent.type == EventType.MouseUp)
{
mouseEvent = new MouseEventX(MouseEventX.MOUSE_UP, mp);
if (_collidingObject != null && isNew)
{
_collidingObject.dispatchEvent(mouseEvent);
}
_stage.dispatchEvent(mouseEvent);
}
else if (currentEvent.type == EventType.mouseMove)
{
mouseEvent = new MouseEventX(MouseEventX.MOUSE_MOVE, mp);
if (_collidingObject != null && isNew == false)
{
_collidingObject.dispatchEvent(mouseEvent);
}
_stage.dispatchEvent(mouseEvent);
}
if (_collidingObject != _previousCollidingObject)
{
if (_previousCollidingObject != null)
{
_previousCollidingObject.dispatchEvent(new MouseEventX(MouseEventX.MOUSE_OUT, mp));
}
if (_collidingObject != null)
{
_collidingObject.dispatchEvent(new MouseEventX(MouseEventX.MOUSE_OVER, mp));
}
}
else if (_collidingObject != null)
{
_collidingObject.dispatchEvent(new MouseEventX(MouseEventX.MOUSE_MOVE, mp));
}
_previousCollidingObject = _collidingObject;
return;
}
//todo;
int touchCount = Input.touchCount;
if (touchCount < 1)
{
if (_previousCollidingObject != null)
{
_previousCollidingObject.dispatchEvent(new MouseEventX(MouseEventX.MOUSE_UP, null));
_previousCollidingObject = null;
}
return;
}
Touch touch = Input.touches[0];
mp.setTo(touch.position.x, touch.position.y);
_collidingObject = stage.hitTest(mp);
isNew = (_previousCollidingObject != _collidingObject);
switch (touch.phase)
{
case TouchPhase.Began:
if (_previousCollidingObject != null && isNew)
{
_previousCollidingObject.dispatchEvent(new MouseEventX(MouseEventX.MOUSE_UP, mp));
}
if (_collidingObject != null && isNew)
{
_collidingObject.dispatchEvent(new MouseEventX(MouseEventX.MOUSE_DOWN, mp));
}
break;
case TouchPhase.Canceled:
case TouchPhase.Ended:
if (_previousCollidingObject != null)
{
_previousCollidingObject.dispatchEvent(new MouseEventX(MouseEventX.MOUSE_UP, mp));
}
break;
case TouchPhase.Moved:
if (_collidingObject != null && isNew == false)
{
_collidingObject.dispatchEvent(new MouseEventX(MouseEventX.MOUSE_MOVE, mp));
}
break;
}
_previousCollidingObject = _collidingObject;
}
public override RectangleX getBounds(DisplayObjectX targetSpace)
{
RectangleX resultRect = new RectangleX();
if (targetSpace == this) // optimization
{
resultRect.setTo(0.0f, 0.0f, vertices[2].x, vertices[2].y);
}
else if (targetSpace == parent && rotation == 0.0) // optimization
{
float scaleX = this.scaleX;
float scaleY = this.scaleY;
Vector3X v = vertices[2];
resultRect.setTo(x - pivotX * scaleX, y - pivotY * scaleY, v.x * scaleX, v.y * scaleY);
if (scaleX < 0)
{
resultRect.width *= -1;
resultRect.x -= resultRect.width;
}
if (scaleY < 0)
{
resultRect.height *= -1;
resultRect.y -= resultRect.height;
}
}
else
{
getTransformationMatrix(targetSpace, sHelperTransform);
float minX = float.MaxValue;
float maxX = -float.MaxValue;
float minY = float.MinValue;
float maxY = -float.MinValue;
int len = vertices.Length;
for (int i = 0; i < len; i++)
{
Vector3X v = sHelperTransform.transformVector(vertices[i]);
if (minX > v.x)
{
minX = v.x;
}
if (maxX < v.x)
{
maxX = v.x;
}
if (minY > v.y)
{
minY = v.y;
}
if (maxY < v.y)
{
maxY = v.y;
}
}
resultRect.setTo(minX, minY, maxX - minX, maxY - minY);
}
return(resultRect);
}
public Transform2X getTransformationMatrix(DisplayObjectX targetSpace, Transform2X resultMatrix = null)
{
DisplayObjectX commonParent;
DisplayObjectX currentObject;
if (resultMatrix != null)
{
resultMatrix.identity();
}
else
{
resultMatrix = new Transform2X();
}
if (targetSpace == this)
{
return(resultMatrix);
}
else if (targetSpace == mParent || (targetSpace == null && mParent == null))
{
resultMatrix.copyFrom(transform);
return(resultMatrix);
}
else if (targetSpace == null || targetSpace == stage)
{
// targetCoordinateSpace 'null' represents the target space of the base object.
// -> move up from this to base
currentObject = this;
while (currentObject != targetSpace)
{
resultMatrix = Transform2X.multiply(resultMatrix, currentObject.transform);
currentObject = currentObject.mParent;
}
return(resultMatrix);
}
else if (targetSpace.mParent == this) // optimization
{
targetSpace.getTransformationMatrix(this, resultMatrix);
resultMatrix.invert();
return(resultMatrix);
}
// 1. find a common parent of this and the target space
commonParent = findCommonParent(this, targetSpace);
// 2. move up from this to common parent
currentObject = this;
while (currentObject != commonParent)
{
resultMatrix = Transform2X.multiply(resultMatrix, currentObject.transform);
currentObject = currentObject.mParent;
}
if (commonParent == targetSpace)
{
return(resultMatrix);
}
// 3. now move up from target until we reach the common parent
sHelperTransform.identity();
currentObject = targetSpace;
while (currentObject != commonParent)
{
sHelperTransform = Transform2X.multiply(sHelperTransform, currentObject.transform);
currentObject = currentObject.mParent;
}
// 4. now combine the two matrices
sHelperTransform.invert();
resultMatrix = Transform2X.multiply(resultMatrix, sHelperTransform);
return(resultMatrix);
}