101 lines
2.7 KiB
C#
101 lines
2.7 KiB
C#
using System;
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// using System.Numerics;
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// using System.Transactions;
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using Godot;
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public class VirtualBoard {
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private readonly int Rows;
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private readonly int Cols;
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private readonly VirtualPiece[,] pieces;
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public class SetPiecePosEventArgs : EventArgs
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{
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public VirtualPiece OldPiece { get; set; }
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public VirtualPiece NewPiece { get; set; }
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}
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public class MoveEventArgs : EventArgs
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{
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public Vector2 From { get; set; }
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public Vector2 To { get; set; }
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}
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public event EventHandler<SetPiecePosEventArgs> OnSetPiecePos;
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public event EventHandler<VirtualPiece> OnInsert;
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public event EventHandler<VirtualPiece> OnRemove;
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public event EventHandler<MoveEventArgs> OnMove;
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public VirtualBoard(int rows, int cols) {
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this.Rows = rows;
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this.Cols = cols;
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pieces = new VirtualPiece[rows, cols];
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}
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public bool ArrPosOutOfRange(Vector2 arrayPos) {
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return arrayPos.X < 0 || arrayPos.X >= Rows || arrayPos.Y < 0 || arrayPos.Y >= Cols;
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}
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public VirtualPiece GetPiece(Vector2 arrayPos) {
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if (ArrPosOutOfRange(arrayPos)) return null;
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return pieces[(int)arrayPos.X, (int)arrayPos.Y];
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}
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public VirtualPiece SetPiecePos(VirtualPiece piece, Vector2 arrayPos) {
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if (ArrPosOutOfRange(arrayPos)) return null;
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VirtualPiece oldPiece = pieces[(int)arrayPos.X, (int)arrayPos.Y];
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pieces[(int)arrayPos.X, (int)arrayPos.Y] = piece;
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OnSetPiecePos?.Invoke(this, new SetPiecePosEventArgs { OldPiece = oldPiece, NewPiece = piece });
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piece?.Move(arrayPos);
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return oldPiece;
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}
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public bool InsertPiece(VirtualPiece piece, Vector2 arrayPos) {
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if (GetPiece(arrayPos) != null) {
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return false;
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}
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OnInsert?.Invoke(this, piece);
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SetPiecePos(piece, arrayPos);
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return true;
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}
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public bool MovePiece(Vector2 from, Vector2 to) {
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if (ArrPosOutOfRange(to) || ArrPosOutOfRange(from)) {
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return false;
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}
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if (GetPiece(to) != null) {
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return false;
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}
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OnMove?.Invoke(this, new MoveEventArgs { From = from, To = to });
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SetPiecePos(SetPiecePos(null, from), to);
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return true;
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}
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public bool RemovePiece(Vector2 pos) {
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VirtualPiece piece = GetPiece(pos);
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if (piece == null) {
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return false;
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}
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OnRemove?.Invoke(this, piece);
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return SetPiecePos(null, pos) != null;
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}
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public void Clear() {
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for (int i = 0; i < Rows; i++) {
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for (int j = 0; j < Cols; j++) {
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RemovePiece(new Vector2(i, j));
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}
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}
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}
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} |