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()
/// <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]);
}
}
}
} // 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();
