public void DrawLegalBlockFromCoupler(LineCoupler lc)
{
GameObject gridObj = null;
int[] coord = lc.GetComponentInParent <GridBehaviour>().coordinates;
List <List <GameObject> > grid = GameManager.Instance.grid;
gridMan.ResetLegalBlocks();
switch (lc.dir)
{
case DIRECTION.LEFT:
gridObj = grid[coord[0] - 1][coord[1]];
break;
case DIRECTION.RIGHT:
gridObj = grid[coord[0] + 1][coord[1]];
break;
case DIRECTION.TOP:
gridObj = grid[coord[0]][coord[1] + 1];
break;
case DIRECTION.BOTTOM:
gridObj = grid[coord[0]][coord[1] - 1];
break;
}
if (CheckGridForLegalBlock(gridObj))
{
gridMan.legalBlockFeedback[0].transform.position = gridObj.transform.position;
}
}
bool CheckIfMoveIsLegal()
{
bool success = true;
gridMan.ResetIllegalBlock();
Line line = lineMan.currentLineBeingDrawn;
// Check if the block is already occupied
if (currentLine != null ||
GetComponent <GridBehaviour>().currentBlockType.blockType != BLOCK.EMPTY)
{
success = false;
}
else
{
List <LineController> linePath = line.linePath;
int[] thisCoord = GetComponentInParent <GridBehaviour>().coordinates;
int[] prevCoord;
// Legal move checking from a coupler is more specific
LineCoupler fromCoupler = null;
if (line.linePath.Count == 0)
{
fromCoupler = line.lineCouplers[0];
prevCoord = fromCoupler.GetComponentInParent <GridBehaviour>().coordinates;
}
else
{
prevCoord = linePath[linePath.Count - 1].GetComponentInParent <GridBehaviour>().coordinates;
}
int xDiff = Mathf.Abs(thisCoord[0] - prevCoord[0]);
int yDiff = Mathf.Abs(thisCoord[1] - prevCoord[1]);
success = CheckLegalDirection(xDiff, yDiff, fromCoupler);
}
return(success);
}