private void Unload(UIGridLevelElement e)
{
if (e != null)
{
e.UnloadInstanceContent();
}
}
private void Unload(int index)
{
UIGridLevelElement e = (UIGridLevelElement)grid[index, 0];
if (e != null)
{
Unload(e);
grid[index, 0] = null;
}
}
public UIGridLevelElement CreateElement(LevelMetadata level)
{
UIGridLevelElement tile = new UIGridLevelElement(blob);
BokuGame.Load(tile, true);
if (level == null)
{
return(tile);
}
tile.Level = level;
return(tile);
}
public void Shift(int amount)
{
while (amount != 0)
{
if (amount > 0)
{
// Cursor goes right, grid elements go left.
UIGridLevelElement e = Get(0);
for (int i = 0; i < kWidth - 1; i++)
{
Add(Get(i + 1), i, 0);
}
Add(e, kWidth - 1, 0);
if (e != null)
{
e.Level = null;
e.Dirty = true;
e.SetOrientation(baseOrients[kWidth - 1]);
Foley.PlayShuffle();
}
--amount;
}
else
{
// Cursor goes left, grid elements go right.
UIGridLevelElement e = Get(kWidth - 1);
for (int i = kWidth - 1; i > 0; i--)
{
Add(Get(i - 1), i, 0);
}
Add(e, 0, 0);
if (e != null)
{
e.Level = null;
e.Dirty = true;
e.SetOrientation(baseOrients[0]);
Foley.PlayShuffle();
}
++amount;
}
if (!NoValidLevels)
{
Foley.PlayShuffle();
}
}
} // end of Shift()
} // end of Update();
/*
* public void test()
* {
* //foo("pre test");
* for (int i = 0; i < kWidth-1; i++)
* {
* UIGridLevelElement ei = (UIGridLevelElement)grid[i, 0];
* for (int j = i + 1; j < kWidth; j++)
* {
* UIGridLevelElement ej = (UIGridLevelElement)grid[j, 0];
*
* if (ei != null && ej != null && ei.uniqueNum == ej.uniqueNum)
* {
* // boom!
* }
* }
* }
* }
*
* public void foo(string label)
* {
* Debug.Print("===== " + label + " =====");
* for (int i = 0; i < kWidth; i++)
* {
* UIGridLevelElement e = (UIGridLevelElement)grid[i, 0];
* if (e == null)
* {
* Debug.Print(i.ToString() + " null");
* }
* else
* {
* Debug.Print(i.ToString() + " " + e.uniqueNum.ToString() + " " + e.Level.Name);
* }
* }
* }
*/
public override void UnloadContent()
{
for (int i = 0; i < kWidth; ++i)
{
UIGridLevelElement e = (UIGridLevelElement)grid[i, 0];
if (e != null)
{
BokuGame.Unload(e); // Remove from the INeedsDeviceReset Dictionary.
e.UnloadContent();
}
grid[i, 0] = null;
}
base.UnloadContent();
}
/// <summary>
/// Loads the correct "level" data to each of the grid elements,
/// </summary>
/// <param name="cursor"></param>
public void Reload(ILevelSetCursor cursor)
{
Log("Begin Reload");
for (int i = 0; i < kWidth; ++i)
{
LevelMetadata level = cursor[i - kFront];
UIGridLevelElement existing = Get(i);
// If they already match then we're good.
if (existing != null && existing.Level == level)
{
continue;
}
// If there's no element and no level, also good.
if (existing == null && level == null)
{
continue;
}
if (level != null)
{
// Need to create a new element
if (existing == null)
{
existing = CreateElement(level);
Add(existing, i, 0);
existing.SetOrientation(baseOrients[i]);
}
existing.Level = level;
}
else
{
// No level, so set element's ref to null.
existing.Level = null;
}
}
Log("End Reload");
}
} // end of SplitAt()
/// <summary>
/// Removes the element at index, collapses the rest of the list,
/// and then adds the removed element back to the end of the list.
/// </summary>
/// <param name="index"></param>
public void Remove(int index)
{
index += kFront;
if (index >= 0 && index < ActualDimensions.X)
{
UIGridLevelElement e = Get(index);
for (int i = index; i < kWidth - 1; i++)
{
Add(grid[i + 1, 0], i, 0);
}
Add(e, kWidth - 1, 0);
if (e != null)
{
e.Level = null;
e.Dirty = true;
e.SetOrientation(baseOrients[kWidth - 1]);
}
}
}
private bool SlideByX(float xMove)
{
if (Math.Abs(xMove) >= ELEMENT_SPACING_X)
{
// Instant jumps of greater than a single tab stop are not needed, nor supported atm.
return(false);
}
float newSelectionXPos = currentOrients[SelectionIndex.X].position.X + xMove;
// Before performing the movement, we need to find out if the movement causes a transition
// either left or right. First, compute which tab stop we are currently at, and which one
// we will be after this move.
// We goto the new tab when we're closer to the next element than we are to our current element.
float currentTab = (currentOrients[SelectionIndex.X].position.X / ELEMENT_SPACING_X);
currentTab += (currentTab >= 0) ? 0.5f : -0.5f;
float newTab = (newSelectionXPos / ELEMENT_SPACING_X);
newTab += (newTab >= 0) ? 0.5f : -0.5f;
int tabDiff = (int)newTab - (int)currentTab;
Debug.Assert(Math.Abs(tabDiff) <= 1);
if (tabDiff == 1)
{
UIGridLevelElement leftElement = Get(SelectionIndex.X - 1);
if ((leftElement == null) || (leftElement.Level == null))
{
// Nothing to go to.
return(false);
}
MoveLeft();
// The result of the left move will cause all the grid elements to "Shift()" to the left by 1.
// Our orientations must move accordingly to line up.
for (int i = 0; i < kWidth; i++)
{
currentOrients[i].position.X -= ELEMENT_SPACING_X;
}
}
else if (tabDiff == -1)
{
UIGridLevelElement rightElement = Get(SelectionIndex.X + 1);
if ((rightElement == null) || (rightElement.Level == null))
{
// Nothing to go to.
return(false);
}
MoveRight();
// The result of the right move will cause all the elements to "Shift()" to the right by 1.
// Our orientations must move accordingly to line up.
for (int i = 0; i < kWidth; i++)
{
currentOrients[i].position.X += ELEMENT_SPACING_X;
}
}
// Now that the grid has been modified (if necessary), perform the actual slide move and
// interpolate the orientation of each element to its new values.
for (int i = 0; i < kWidth; i++)
{
float newElementXPos = currentOrients[i].position.X + xMove;
Orientation nextOrientation = null;
Orientation prevOrientation = null;
for (int j = 0; j < kWidth; j++)
{
// Find the lowest base X orientation that matches this element
if (baseOrients[j].position.X >= newElementXPos)
{
// We know that base orientation 'j' is the next orientation,
// and 'j-1' contains the previous one.
nextOrientation = baseOrients[j];
if ((j - 1) >= 0)
{
prevOrientation = baseOrients[j - 1];
}
break;
}
}
if ((nextOrientation == null) || (prevOrientation == null))
{
// This orientation is such that it is beyond the bounds covered by the base orientations.
// Therefore no changes to orientation are performed other than an X translation.
currentOrients[i].position.X = newElementXPos;
}
else
{
// We have a next and a previous orientation to interpolate between. Compute lerp factor
float prevToNewX = newElementXPos - prevOrientation.position.X;
float prevToNextX = nextOrientation.position.X - prevOrientation.position.X;
float lerpFactor = prevToNewX / prevToNextX;
// Discover differences between our orientations
Vector3 prevToNextPos = nextOrientation.position - prevOrientation.position;
float prevToNextScale = nextOrientation.scale - prevOrientation.scale;
float prevToNextRotation = nextOrientation.rotation - prevOrientation.rotation;
// Using the lerp factor, compute the delta values to add to our orientation.
Vector3 posDelta = prevToNextPos * lerpFactor;
float scaleDelta = prevToNextScale * lerpFactor;
float rotationDelta = prevToNextRotation * lerpFactor;
currentOrients[i].position = prevOrientation.position + posDelta;
currentOrients[i].scale = prevOrientation.scale + scaleDelta;
currentOrients[i].rotation = prevOrientation.rotation + rotationDelta;
}
}
return(true);
}
} // end of Refresh()
public override void Update(ref Matrix parentMatrix)
{
focusIndex.X = kFront;
focusIndex.Y = 0;
UIGridLevelElement e = Get(kFront);
if (e != null)
{
e.Selected = true;
}
// Update orientations.
if (!isDragging)
{
//if (!hasResidualVelocity)
//{
// // Settle a dragged grid back into fixed positions.
// SettleGrid();
//}
//else
//{
if (hasResidualVelocity)
{
// Residual velocity still affecting the grid.
UpdateResidualVelocity();
for (int i = 0; i < kWidth; i++)
{
e = Get(i);
if (e != null)
{
e.SetOrientation(currentOrients[i]);
}
}
}
else
{
hasResidualVelocity = false;
residualVelocity = 0.0f;
// Settle elements back into base orientation.
for (int i = 0; i < kWidth; i++)
{
e = Get(i);
if (e != null)
{
e.TwitchOrientation(baseOrients[i]);
}
}
}
}
else
{
for (int i = 0; i < kWidth; i++)
{
e = Get(i);
if (e != null)
{
e.SetOrientation(currentOrients[i]);
}
}
}
base.Update(ref parentMatrix);
} // end of Update();