// ------------------
private void CreateBoulder(int tileX, int tileY)
{
Boulder tile = new Boulder(BoulderSprite, this);
tile.SetTilePosition(new Vector2(tileX, tileY));
tiles[tileX, tileY] = tile;
}
// ------------------
private bool TryMove(Vector2 direction)
{
Vector2 newGridPos = GetTilePosition() + direction;
// Ask the level what is in this slot already
Tile tileInDirection = ourLevel.GetTileAtPosition(newGridPos);
// If the target tile is a wall, we can't move there - return false.
if (tileInDirection != null && tileInDirection is Wall)
{
// TODO: Play bump SFX
return(false);
}
if (tileInDirection != null && tileInDirection is Diamond)
{
score++;
}
// If the target tile is a box, try to push it.
if (tileInDirection != null && tileInDirection is Boulder)
{
Boulder targetBox = tileInDirection as Boulder;
bool pushSuccess = targetBox.TryPush(direction);
if (pushSuccess == false)
{
return(false);
}
}
Tile floorInDirection = ourLevel.GetFloorAtPosition(newGridPos);
if (floorInDirection != null && floorInDirection is Goal)
{
ourLevel.NextLevel();
}
bool moveResult = ourLevel.TryMoveTile(this, newGridPos);
// return true or false based on move successfullness
return(moveResult);
}