public override void Update()
{
//Increment time if we're not waiting
if (CurState != States.Waiting)
{
ElapsedTime += Time.ElapsedMilliseconds;
}
//If we're moving down or moving up, move the box
if (CurState == States.MovingDown || CurState == States.MovingUp)
{
Vector2 start = StartPos;
Vector2 end = EndPos;
if (CurState == States.MovingUp)
{
UtilityGlobals.Swap(ref start, ref end);
}
Position = Interpolation.Interpolate(start, end, ElapsedTime / MoveTime,
CurState == States.MovingDown ? Interpolation.InterpolationTypes.CubicOut : Interpolation.InterpolationTypes.CubicIn);
if (ElapsedTime > MoveTime)
{
CurState = States.Waiting;
ElapsedTime = 0d;
}
}
//If we're opening or closing the box, do the appropriate action
else if (CurState == States.Opening || CurState == States.Closing)
{
if (CurState == States.Opening)
{
CurTargetRegion.Y = Interpolation.Interpolate(ScreenRegion.Height / 2, 0, ElapsedTime / OpenCloseTime, Interpolation.InterpolationTypes.Linear);
CurTargetRegion.Height = Interpolation.Interpolate(0, ScreenRegion.Height, ElapsedTime / OpenCloseTime, Interpolation.InterpolationTypes.Linear);
}
else
{
CurTargetRegion.Y = Interpolation.Interpolate(0, ScreenRegion.Height / 2, ElapsedTime / OpenCloseTime, Interpolation.InterpolationTypes.Linear);
CurTargetRegion.Height = Interpolation.Interpolate(ScreenRegion.Height, 0, ElapsedTime / OpenCloseTime, Interpolation.InterpolationTypes.Linear);
}
if (ElapsedTime > OpenCloseTime)
{
CurState = States.Waiting;
ElapsedTime = 0d;
}
}
}
/// <summary>
/// Handles resolving the sorting of BattleEntities if their BattleIndices are the same.
/// </summary>
/// <param name="entity1">The first BattleEntity to compare.</param>
/// <param name="entity2">The second BattleEntity to compare.</param>
/// <returns>-1 if entity1 has a lower X position, 1 if entity2 has a lower X position. If players, higher X positions are favored instead.
/// If X positions are equal, -1 if entity1 has a lower Y position and 1 if entity2 has a lower Y position.
/// If X and Y positions are equal, 0.</returns>
private static int ResolveSameBattleIndex(BattleEntity entity1, BattleEntity entity2)
{
//Check if they have the same X position
//If so, compare the Y - lower Y values are favored
if (entity1.BattlePosition.X == entity2.BattlePosition.X)
{
if (entity1.BattlePosition.Y < entity2.BattlePosition.Y)
{
return(-1);
}
else if (entity1.BattlePosition.Y < entity2.BattlePosition.Y)
{
return(1);
}
}
//If not, compare X positions
else
{
//Sorting occurs between same BattleEntities with the same EntityType
BattleEntity leftEntity = entity1;
BattleEntity rightEntity = entity2;
//Swap if they're players, as Players go from right to left
if (entity1.EntityType == Enumerations.EntityTypes.Player)
{
UtilityGlobals.Swap(ref leftEntity, ref rightEntity);
}
//Compare X position; favor the lower for enemies and the higher for players
if (leftEntity.BattlePosition.X < rightEntity.BattlePosition.X)
{
return(-1);
}
else if (leftEntity.BattlePosition.X > rightEntity.BattlePosition.X)
{
return(1);
}
}
return(0);
}