private void UpdateMovableObject(IObject movableObject, GameTime gameTime, KeyboardState presentKey, MoveDirection prevDirection)
{
Vector2 newLocation = movableObject.getLocation();
int speed = movableObject.getSpeed();
if (movableObject.getObjectType() != ObjectType.MAIN_CHARACTER)
{
for (int i = 0; i < fireBalls.Count; i++)
{
if (fireBalls[i].fbrectangle().Intersects(movableObject.getSpace()))
{
score += 1;
movableObject.setVisibility(false);
fireBalls.RemoveAt(i);
}
}
}
bool movedVert = false, movedHoriz = false;
switch (prevDirection)
{
case MoveDirection.N:
case MoveDirection.NW:
case MoveDirection.NE:
newLocation.Y -= speed;
movedVert = true;
break;
case MoveDirection.S:
case MoveDirection.SE:
case MoveDirection.SW:
movedVert = true;
newLocation.Y += speed;
break;
case MoveDirection.E:
case MoveDirection.W:
case MoveDirection.STOP:
break;
default:
throw new NotImplementedException("Unsupported direction: " + prevDirection);
}
switch (prevDirection)
{
case MoveDirection.E:
case MoveDirection.NE:
case MoveDirection.SE:
movedHoriz = true;
newLocation.X += speed;
break;
case MoveDirection.W:
case MoveDirection.NW:
case MoveDirection.SW:
movedHoriz = true;
newLocation.X -= speed;
break;
case MoveDirection.N:
case MoveDirection.S:
case MoveDirection.STOP:
break;
default:
throw new NotImplementedException("Unsupported direction: " + prevDirection);
}
Rectangle objectSpace = movableObject.getSpace(newLocation);
bool allowedLocation = isAllowedLocation(objectSpace);
if (allowedLocation)
{
movableObject.setNewLocation(newLocation);
if (movedVert)
{
movableObject.AnimateVerticalMovement(gameTime);
}
if (movedHoriz)
{
movableObject.AnimateHorizontalMovement(gameTime);
}
}
else if ((movableObject.getObjectType() == ObjectType.MAIN_CHARACTER) && (getWorld().isInWall(objectSpace) != MoveDirection.NONE))
{
// XXX
MoveDirection wallDir = getWorld().isInWall(objectSpace);
switch (wallDir)
{
case MoveDirection.N:
if (prevDirection == MoveDirection.NE)
{
UpdateMovableObject(movableObject, gameTime, presentKey, MoveDirection.E);
}
else if (prevDirection == MoveDirection.NW)
{
UpdateMovableObject(movableObject, gameTime, presentKey, MoveDirection.W);
}
break;
case MoveDirection.S:
if (prevDirection == MoveDirection.SE)
{
UpdateMovableObject(movableObject, gameTime, presentKey, MoveDirection.E);
}
else if (prevDirection == MoveDirection.SW)
{
UpdateMovableObject(movableObject, gameTime, presentKey, MoveDirection.W);
}
break;
case MoveDirection.E:
if (prevDirection == MoveDirection.NE)
{
UpdateMovableObject(movableObject, gameTime, presentKey, MoveDirection.N);
}
else if (prevDirection == MoveDirection.SE)
{
UpdateMovableObject(movableObject, gameTime, presentKey, MoveDirection.S);
}
break;
case MoveDirection.W:
if (prevDirection == MoveDirection.NW)
{
UpdateMovableObject(movableObject, gameTime, presentKey, MoveDirection.N);
}
else if (prevDirection == MoveDirection.SW)
{
UpdateMovableObject(movableObject, gameTime, presentKey, MoveDirection.S);
}
break;
default:
throw new NotImplementedException("Unsupported direction for wall collision: " + prevDirection);
}
}
if (movableObject.getObjectType() == ObjectType.ALIEN)
{
if (allowedLocation)
{
if (randomUpdatesCount == 0 && Utils.isNewDirection())
{
randomUpdatesCount++;
movableObject.setDirection(Utils.getNewRandomDirection(prevDirection));
}
}
else
{
movableObject.setDirection(Utils.getNewRandomDirection(prevDirection));
}
}
if (movableObject.getObjectType() == ObjectType.MAIN_CHARACTER)
{
movableObject.setDirection(Utils.getGermiDirection(presentKey));
}
}
