public void deselectPiece()
{
if (selected != null)
{
DragPiece selectedData = selected.GetComponent <DragPiece>();
if (selectedData.inStack)
{
selectedData.crushWall();
}
selected.GetComponent <MeshRenderer>().material = materialOfSelected;
selected = null;
}
}
public void selectPiece(GameObject piece)
{
if (selected == piece)
{
DragPiece selectedData = selected.GetComponent <DragPiece>();
if (selectedData.inStack && !selectedData.isCap)
{
if (selectedData.isWall)
{
selectedData.crushWall();
deselectPiece();
}
else
{
selectedData.makeWall();
}
}
else
{
deselectPiece();
}
}
else if (selected == null)
{
if (piece.GetComponent <DragPiece>().isMovable)
{
selected = piece;
materialOfSelected = selected.GetComponent <MeshRenderer>().material;
selected.GetComponent <MeshRenderer>().material = selectedMaterial;
}
}
else
{
moveSelectedPieceTo(piece);
}
}
bool isEligibleTarget(GameObject toHere)
{
Vector3 targetPos = toHere.transform.position;
Vector3 selectedPos = selected.transform.position;
//Debug.Log("checking eligiblity");
if (toHere.tag != "boardSquare")
{ //check if you are moving onto another piece
DragPiece toHereData = toHere.GetComponent <DragPiece>();
if (toHereData.isCap)
{
setErrorText("You cannot move onto a Cap Stone");
return(false);
}
else if (toHereData.isWall) //cannot move onto a wall
{
if (selected.GetComponent <DragPiece>().isCap)
{
toHereData.crushWall();
return(true);
}
setErrorText("You cannot move onto a wall");
return(false);
}
}
if (selected.GetComponent <DragPiece>().inStack)
{
Debug.Log("selected is from stack");
if (toHere.tag != "boardSquare")
{
setErrorText("Moving a piece from stack on top of another piece is not allowed");
return(false); //a move from the stack to another piece is not allowed
}
return(true);
}
else if (targetPos.x == selectedPos.x)
{
if (targetPos.z == selectedPos.z) //the target and the selected are in the same position
{
setErrorText("Cannot move to the same position");
return(false);
}
else if (currentDirection == direction.horizontal)
{
setErrorText("You can only move horizontally");
return(false);
}
else if (targetPos.z == selectedPos.z + 1.0f || targetPos.z == selectedPos.z - 1.0f)
{
switch (currentDirectionSign)
{
case directionSign.neither:
currentDirectionSign = (targetPos.z == selectedPos.z + 1.0f) ? directionSign.positive : directionSign.negative;
currentDirection = direction.vertical;
return(true);
case directionSign.negative:
return(targetPos.z == selectedPos.z - 1.0f);
case directionSign.positive:
return(targetPos.z == selectedPos.z + 1.0f);
}
}
setErrorText("You can only move one square at a time");
return(false);
}
else if (targetPos.z == selectedPos.z)
{
if (currentDirection == direction.vertical)
{
setErrorText("You can only move vertically");
return(false);
}
else if (targetPos.x == selectedPos.x + 1.0f || targetPos.x == selectedPos.x - 1.0f)
{
switch (currentDirectionSign)
{
case directionSign.neither:
currentDirectionSign = (targetPos.x == selectedPos.x + 1.0f) ? directionSign.positive : directionSign.negative;
currentDirection = direction.horizontal;
return(true);
case directionSign.negative:
return(targetPos.x == selectedPos.x - 1.0f);
case directionSign.positive:
return(targetPos.x == selectedPos.x + 1.0f);
}
}
setErrorText("You can only move one square at a time");
return(false);
}
setErrorText("You cannot move diagonally");
return(false);
}