2024-11-03 21:15:33 +08:00

128 lines
2.9 KiB
C#

using Godot;
public class Player
{
private VirtualBoard board;
private SelectedPiece selectedNode;
private MoveRecords<VirtualPiece> moveRecords;
public enum PlayerType {
Human,
AI
}
public Player(VirtualBoard board, PlayerType type = PlayerType.Human)
{
this.board = board;
this.selectedNode = new SelectedPiece(board);
this.moveRecords = new MoveRecords<VirtualPiece>(onUndoRecordCallback: (newNode, oldNode, newPos, oldPos) => {
GD.Print("Undo: ", newNode, "->", oldNode, ":", newPos, "->", oldPos);
VirtualPiece newPiece = newNode;
VirtualPiece oldPiece = oldNode;
this.board.MovePiece(newPos, oldPos);
if (newPiece != null) {
this.board.InsertPiece(newPiece, newPos);
}
});
}
public void HandleBoardPosClick(Vector2 clickPos) {
if (board.ArrPosOutOfRange(clickPos)) return;
GD.Print($"VirtualBoard {clickPos} clicked");
VirtualPiece clickChess = board.GetPiece(clickPos);
if (!selectedNode.HasSelected()) {
// Select piece
if (clickChess == null) {
// selectedNode.Clear();
return;
}
selectedNode.SetPos(clickPos);
} else if (clickChess == selectedNode.GetPiece()) {
// Unselect piece
selectedNode.Clear();
} else {
// Move piece
GD.Print("default MoveFunc Move: ", selectedNode.GetPos(), "->", clickPos);
MoveAndRecord(clickPos, selectedNode.GetPos());
}
}
public void MoveAndRecord(Vector2 toPos, Vector2 fromPos) {
GD.Print($"{fromPos} move to {toPos}");
VirtualPiece toChess = board.GetPiece(toPos);
VirtualPiece fromChess = board.GetPiece(fromPos);
fromChess?.Selected(false);
VirtualPiece NowNode;
if (toChess != null) {
NowNode = toChess;
board.RemovePiece(toPos);
} else {
NowNode = toChess;
}
moveRecords.AddRecord(NowNode, fromChess, toPos, fromPos);
board.MovePiece(fromPos, toPos);
selectedNode.Clear();
}
public void Undo() {
// ChessPiece selected = selectedNode.GetPiece();
// selected?.DeSelected();
selectedNode.Clear();
moveRecords.Undo();
}
public void ReInit() {
moveRecords.Clear();
board.Clear();
selectedNode.Clear();
// board.InitChessBoard();
}
private class SelectedPiece
{
// Called when the node enters the scene tree for the first time.
private Vector2 selectedNodePos = Vector2.Inf;
private VirtualPiece piece;
private VirtualBoard board;
public SelectedPiece(VirtualBoard board)
{
this.board = board;
}
public void Clear()
{
if (selectedNodePos != Vector2.Inf) {
selectedNodePos = Vector2.Inf;
piece.Selected(false);
}
}
public void SetPos(Vector2 pos)
{
// piece = board.GetNodeFromBoard(pos) as VirtualPiece;
selectedNodePos = pos;
piece = board.GetPiece(selectedNodePos);
piece.Selected(true);
}
public VirtualPiece GetPiece()
{
return piece;
}
public Vector2 GetPos()
{
return selectedNodePos;
}
public bool HasSelected()
{
return selectedNodePos != Vector2.Inf;
}
}
}