private Vector2 CheckPossibleNonDiagonalMovement(MovementWrapper wrapper, int i)
{
if (wrapper.IsDiagonalMove)
{
int stepsLeft = wrapper.NumberOfStepsToBreakMovementInto - (i - 1);
Vector2 remainingHorizontalMovement = wrapper.OneStep.X * Vector2.UnitX * stepsLeft;
wrapper.FurthestAvailableLocationSoFar =
WherePlayerCanGetTo(wrapper.FurthestAvailableLocationSoFar, wrapper.FurthestAvailableLocationSoFar + remainingHorizontalMovement, wrapper.BoundingRectangle);
Vector2 remainingVerticalMovement = wrapper.OneStep.Y * Vector2.UnitY * stepsLeft;
wrapper.FurthestAvailableLocationSoFar =
WherePlayerCanGetTo(wrapper.FurthestAvailableLocationSoFar, wrapper.FurthestAvailableLocationSoFar + remainingVerticalMovement, wrapper.BoundingRectangle);
}
return(wrapper.FurthestAvailableLocationSoFar);
}
// De onderstaande functie zorgt ervoor dat wanneer er vanuit een diagonale beweging over wordt gegaan in een non-diagonale beweging het momentum
// niet spontaan verloren gaat, maar omgezet wordt in een resterende beweging bij blokkade van de speler op de X-as of Y-as.
private Vector2 CheckForNonDiagonalMovement(MovementWrapper wrapper, int i)
{
if (wrapper.IsDiagonalMove)
{
int stepsLeft = wrapper.NumberOfStepsToBreakMovementInto - (i - 1);
Vector2 remainingHorizontalMovement = wrapper.OneStep.X * Vector2.UnitX * stepsLeft;
Vector2 finalPositionIfMovingHorizontally = wrapper.PlausibleCurrentPosition + remainingHorizontalMovement;
wrapper.PlausibleCurrentPosition =
AllowedMovement(wrapper.PlausibleCurrentPosition, wrapper.PlausibleCurrentPosition + remainingHorizontalMovement, wrapper.BoundingRectangle);
Vector2 remainingVerticalMovement = wrapper.OneStep.Y * Vector2.UnitY * stepsLeft;
Vector2 finalPositionIfMovingVertically = wrapper.PlausibleCurrentPosition + remainingVerticalMovement;
wrapper.PlausibleCurrentPosition =
AllowedMovement(wrapper.PlausibleCurrentPosition, wrapper.PlausibleCurrentPosition + remainingVerticalMovement, wrapper.BoundingRectangle);
}
return(wrapper.PlausibleCurrentPosition);
}
// De onderstaande functie controleert of de beweging van de speler mogelijk is binnen de context van de Board. (collision met tiles)
public Vector2 AllowedMovement(Vector2 originalPosition, Vector2 destination, Rectangle boundingRectangle)
{
MovementWrapper move = new MovementWrapper(originalPosition, destination, boundingRectangle);
for (int i = 1; i <= move.NumberOfStepsToBreakMovementInto; i++)
{
Vector2 positionToTry = originalPosition + move.OneStep * i;
Rectangle newBoundary =
CreateRectangleAtPosition(positionToTry, boundingRectangle.Width, boundingRectangle.Height);
if (HasRoomForRectangle(newBoundary))
{
move.PlausibleCurrentPosition = positionToTry;
}
else if (move.IsDiagonalMove)
{
move.PlausibleCurrentPosition = CheckForNonDiagonalMovement(move, i);
}
break;
}
return(move.PlausibleCurrentPosition);
}
// Até onde o player pode ir
public Vector2 WherePlayerCanGetTo(Vector2 originalPosition, Vector2 destination, Rectangle boundingRectangle)
{
MovementWrapper move = new MovementWrapper(originalPosition, destination, boundingRectangle);
for (int i = 1; i <= move.NumberOfStepsToBreakMovementInto; i++)
{
Vector2 positionToTry = originalPosition + move.OneStep * i;
Rectangle newBoundary = CreateRectangleAtPosition(positionToTry, boundingRectangle.Width, boundingRectangle.Height);
if (HasRoomForRectangle(newBoundary))
{
move.FurthestAvailableLocationSoFar = positionToTry;
}
else
{
if (move.IsDiagonalMove)
{
move.FurthestAvailableLocationSoFar = CheckPossibleNonDiagonalMovement(move, i);
}
break;
}
}
return(move.FurthestAvailableLocationSoFar);
}
private Vector2 CheckPossibleNonDiagonalMovement(MovementWrapper wrapper, int i)
{
if (wrapper.IsDiagonalMove)
{
int stepsLeft = wrapper.NumberOfStepsToBreakMovementInto - (i - 1);
Vector2 remainingHorizontalMovement = wrapper.OneStep.x * Vector2.right * stepsLeft;
wrapper.FurthestAvailableLocationSoFar =
WhereCanIGetTo(wrapper.FurthestAvailableLocationSoFar, wrapper.FurthestAvailableLocationSoFar + remainingHorizontalMovement, wrapper.BoundingRectangle);
Vector2 remainingVerticalMovement = wrapper.OneStep.y * Vector2.up * stepsLeft;
wrapper.FurthestAvailableLocationSoFar =
WhereCanIGetTo(wrapper.FurthestAvailableLocationSoFar, wrapper.FurthestAvailableLocationSoFar + remainingVerticalMovement, wrapper.BoundingRectangle);
}
return wrapper.FurthestAvailableLocationSoFar;
}
public Vector2 WhereCanIGetTo(Vector2 originalPosition, Vector2 destination, Rectangle boundingRectangle)
{
MovementWrapper move = new MovementWrapper(originalPosition, destination, boundingRectangle);
for (int i = 1; i <= move.NumberOfStepsToBreakMovementInto; i++)
{
Vector2 positionToTry = originalPosition + move.OneStep * i;
Rectangle newBoundary = new Rectangle((int)positionToTry.x , (int)positionToTry.y , boundingRectangle.w, boundingRectangle.h);
drawHitBox(newBoundary, Color.red);
if (HasRoomForRectangle(newBoundary)) { move.FurthestAvailableLocationSoFar = positionToTry; }
else
{
if (move.IsDiagonalMove)
{
move.FurthestAvailableLocationSoFar = CheckPossibleNonDiagonalMovement(move, i);
}
break;
}
}
return move.FurthestAvailableLocationSoFar;
}
