// One of these values gets set as 0, the other is set to -1 or 1 to represent the direction of movement.
public void MoveSelector(sbyte slotX, sbyte slotY)
{
// Determine Sizes
byte cols = (byte)Math.Ceiling((float)this.numOnPage / (float)this.PerRow);
byte finalRow = (byte)(this.numOnPage - ((cols - 1) * this.PerRow));
sbyte toRow = (sbyte)(this.selectX + slotX);
sbyte toCol = (sbyte)(this.selectY + slotY);
// Moving Down
if (slotY == 1)
{
// Leaves Paging Section
if (toCol >= cols)
{
PagingExitRule exitRule = this.exits[DirCardinal.Down];
if (exitRule == PagingExitRule.Wrap)
{
this.selectY = 0;
}
else if (exitRule == PagingExitRule.NoWrap) /* No Change. Resists the Movement. */ } {
else if (exitRule == PagingExitRule.LeaveArea)
{
this.exitDir = DirCardinal.Down;
}
}
// Assigns an exit rule to a particular direction.
public void SetExitRule(DirCardinal dir, PagingExitRule exitRule)
{
this.exits[dir] = exitRule;
}
