// 黑白棋算法
private void calculateConsequencialMoves(GamePlayOperation currentMove, IList <GamePlayOperation> consequencialMoves)
{
// 上下左右各计算一次
calculateConsequencialMovesOnDirection(currentMove, 0, consequencialMoves);
calculateConsequencialMovesOnDirection(currentMove, 1, consequencialMoves);
calculateConsequencialMovesOnDirection(currentMove, 2, consequencialMoves);
calculateConsequencialMovesOnDirection(currentMove, 3, consequencialMoves);
}
public bool IsValidMove(GamePlayOperation op)
{
var unit = CurrentGameState.UnitAt(op.X, op.Y);
if (unit.OwnerId == GameUnit.OWNER_NONE)
{
// 空白位置
op.Op = GamePlayOperation.OpEnum.PLACE;
return(true);
}
else if (unit.OwnerId == op.PlayerId)
{
// 当前角色所拥有的棋子
}
return(false);
}
// // Update is called once per frame
// public override void Update () {
//
// }
public override void HandleInput()
{
if (Input.GetMouseButtonUp(0))
{
var mouseScreenPosition = Input.mousePosition;
var ray = Camera.main.ScreenPointToRay(mouseScreenPosition);
var hits = Physics.RaycastAll(ray, 100, LayerMask.GetMask(new string[] { "ChessBoard" }));
if (hits != null && hits.Length > 0)
{
var hit = hits [0];
ChessUnit u = hit.collider.GetComponent <ChessUnit> ();
if (u != null)
{
Debug.LogFormat("Click on unit: {0}", u);
GamePlayOperation op = new GamePlayOperation();
op.Op = GamePlayOperation.OpEnum.PLACE;
op.X = u.X;
op.Y = u.Y;
op.PlayerId = this.PlayerId;
if (CurrentReferee.IsValidMove(op))
{
CurrentReferee.PlayMove(op);
EndTurn(CurrentReferee);
// CurrentReferee.EndPlayerTurn (this);
}
}
else
{
Debug.Log("Click on invalid unit");
}
}
else
{
Debug.LogFormat("Click ({0}) hit nothing", mouseScreenPosition);
}
}
}
public bool PlayMove(GamePlayOperation op)
{
_lastMoves.Add(op);
return(true);
}
// direction: 上下左右 0123
private void calculateConsequencialMovesOnDirection(GamePlayOperation currentMove, int direction, IList <GamePlayOperation> consequencialMoves)
{
Vector2 step = Vector2.zero;
switch (direction)
{
case 0:
step.y = 1;
break;
case 1:
step.y = -1;
break;
case 2:
step.x = -1;
break;
case 3:
step.x = 1;
break;
default:
Debug.Assert(true, "Invalid direction: " + direction);
break;
}
Vector2 currentPos = new Vector2(currentMove.X, currentMove.Y);
List <GameUnit> opponents = new List <GameUnit>();
bool hasConsequencials = false;
while (true)
{
currentPos += step;
if (!isValidGrid((int)currentPos.x, (int)currentPos.y))
{
// 超出棋盘范围
break;
}
var u = UnitAt((int)currentPos.x, (int)currentPos.y);
if (u.OwnerId == GameUnit.OWNER_NONE)
{
// 空白区域，表示没有连成线
break;
}
if (u.OwnerId == currentMove.PlayerId)
{
// 还是自己的棋子
if (opponents.Count > 0)
{
// 夹击对方棋子
hasConsequencials = true;
}
break;
}
// 对方的棋子
opponents.Add(u);
}
if (hasConsequencials)
{
for (int i = 0; i < opponents.Count; i++)
{
GamePlayOperation move = new GamePlayOperation();
move.X = opponents [i].X;
move.Y = opponents [i].Y;
move.Op = GamePlayOperation.OpEnum.TAKEN;
move.PlayerId = currentMove.PlayerId;
consequencialMoves.Add(move);
}
}
}
