/* Checks collision with static cells (bricks and solids) + still movable obstacles (not moving bombs) */
private bool CheckStillCellsCollisions(MovableCell movable)
{
int cx = movable.cx;
int cy = movable.cy;
int stepX = Math.Sign(movable.px - movable.CellCenterPx());
int stepY = Math.Sign(movable.py - movable.CellCenterPy());
bool hasStepX = stepX != 0;
bool hasStepY = stepY != 0;
bool hasCollision = false;
hasCollision |= CheckStillCollisions(movable, GetSlot(cx, cy));
if (hasStepX && hasStepY)
{
hasCollision |= CheckStillCollisions(movable, GetSlot(cx + stepX, cy));
hasCollision |= CheckStillCollisions(movable, GetSlot(cx, cy + stepY));
hasCollision |= CheckStillCollisions(movable, GetSlot(cx + stepX, cy + stepY));
}
else if (hasStepX)
{
hasCollision |= CheckStillCollisions(movable, GetSlot(cx + stepX, cy));
}
else if (hasStepY)
{
hasCollision |= CheckStillCollisions(movable, GetSlot(cx, cy + stepY));
}
return hasCollision;
}
