internal bool CheckCollision(Cursor currentPos, Cursor targetCursor, Moves dir)
{
bool moveImpeded = true;
FloorTile moveTile;
FloorTile currentTile = FetchAt(currentPos);
try
{
moveTile = FetchAt(targetCursor);
} catch (IndexOutOfRangeException)
{
return(true);
}
if (currentPos.GetXPos - targetCursor.GetXPos != 0)
{
switch (currentPos.GetXPos - targetCursor.GetXPos)
{
// Moving LtR
case -1:
if (currentTile.Right == false && moveTile.Left == false)
{
moveImpeded = false;
}
break;
// Moving RtL
case 1:
if (currentTile.Left == false && moveTile.Right == false)
{
moveImpeded = false;
}
break;
}
}
else
{
switch (currentPos.GetYPos - targetCursor.GetYPos)
{
// Moving Up
case 1:
if (currentTile.Top == false && moveTile.Bottom == false)
{
moveImpeded = false;
}
break;
// Moving Down
case -1:
if (currentTile.Bottom == false && moveTile.Top == false)
{
moveImpeded = false;
}
break;
}
}
return(moveImpeded);
}
private bool DoMove(Cursor currentPos, Cursor targetCursor, Moves dir)
{
if (CheckCollision(currentPos, targetCursor, dir))
{
return(false);
}
else
{
FloorTile currentTile = FetchAt(currentPos);
FloorTile moveTile = FetchAt(targetCursor);
Moveable toMove = currentTile.OnTile;
moveTile.OnTile = toMove;
currentTile.OnTile = null;
return(true);
}
}
