// Checks if the given character's moving direction is wall or not
public bool IsDirectionWall(Character character, Point direction)
{
Point targetPoint = new Point(character.Position.X + direction.X, character.Position.Y + direction.Y);
Point currentPoint = new Point(character.Position.X, character.Position.Y);
// Validate if the target Tile actually exists. (Not outside the map)
if (targetPoint.X >= Map.GetLength(0) || targetPoint.Y >= Map.GetLength(1))
{
return true;
}
Tile targetTile = Map[targetPoint.X, targetPoint.Y];
Tile currentTile = Map[currentPoint.X, currentPoint.Y];
if (direction.Y < 0) // Up
{
if (targetTile.FourWalls.HasFlag(Walls.Down) || currentTile.FourWalls.HasFlag(Walls.Up))
{
return true;
}
}
else if (direction.Y > 0) // Down
{
if (targetTile.FourWalls.HasFlag(Walls.Up) || currentTile.FourWalls.HasFlag(Walls.Down))
{
return true;
}
}
if (direction.X < 0) // Left
{
if (targetTile.FourWalls.HasFlag(Walls.Right) || currentTile.FourWalls.HasFlag(Walls.Left))
{
return true;
}
}
else if (direction.X > 0) // Right
{
if (targetTile.FourWalls.HasFlag(Walls.Left) || currentTile.FourWalls.HasFlag(Walls.Right))
{
return true;
}
}
return false;
}
// Checks if the character can move. If it can, set the new position to the character.
public bool TryToMoveTheCharacter(Character character, Point direction)
{
if (IsDirectionWall(character, direction))
{
return false;
}
// New new position(moves)
character.Position.X += direction.X;
character.Position.Y += direction.Y;
return true;
}