问题描述
我正在学习使用Windows窗体C＃制作国际象棋游戏的一个小变种，该游戏仅包括双方的棋子，我已经画过棋盘并在其中放置了棋子，但老实说我不知道如何开始执行移动时，先在块上单击鼠标，然后单击要移动的位置。
I am learning to make a small variant of chess game using windows forms C#, the game includes only the pawns of both sides, i have drew the board and organized the pieces on there places, but i honestly do not know how to start implementing the moves by clicking the mouse on the piece and then the location where i want to move it.
作为参考，黑卒子被命名为片断，白卒子被称为命名为pieceW
as references the black pawn is named piece, and white pawn is named pieceW
这是我的董事会代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace AIchess
{
public partial class Form1 : Form
{
static System.Drawing.Bitmap piece = AIchess.Properties.Resources.piece;
ChessPiece Piece = new ChessPiece(piece, ChessColor.Black);
static System.Drawing.Bitmap pieceW = AIchess.Properties.Resources.pieceW;
ChessPiece PieceW = new ChessPiece(pieceW, ChessColor.White);
Square[,] square = new Square[8, 8];
public Form1()
{
InitializeComponent();
int i, j;
for (i = 0; i < 8; i++)
{
for (j = 0; j < 8; j++)
{
this.square[i, j] = new Square();
this.square[i, j].BackColor = System.Drawing.SystemColors.ActiveCaption;
this.square[i, j].BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.square[i, j].Location = new System.Drawing.Point(57 + i * 60, 109 + j * 60);
this.square[i, j].Name = i.ToString()+j.ToString();
this.square[i, j].Size = new System.Drawing.Size(60, 60);
this.square[i, j].TabIndex = 2;
this.square[i, j].TabStop = false;
this.Controls.Add(this.square[i, j]);
if (j == 1)
{
this.square[i, j].Image = piece;
this.square[i, j].AllocatedBy = "black";
}
if (j == 6)
{
this.square[i, j].Image = pieceW;
this.square[i, j].AllocatedBy = "white";
}
if (((i+j) % 2) ==0)
this.square[i, j].BackColor = Color.RoyalBlue;
else
this.square[i, j].BackColor = Color.LightBlue;
}
}
}
}
public enum ChessColor
{
White,
Black,
};
class ChessPiece
{
private Image DisplayedImage;
private ChessColor DisplayedColor;
private Point CurrentSquare;
public ChessPiece(Image image, ChessColor color)
{
DisplayedImage = image;
DisplayedColor = color;
}
}
class Square:PictureBox
{
private bool color;
public string AllocatedBy;
}
}
推荐答案
一个非常简单的实现，希望您不要介意我从头开始。
Here's a really simple implementation, I hope you won't mind that I did it from scratch.
显然，它非常简单，没有拖放操作，也没有动画，但是可以实现您的要求。
Obviously it's very simple, there's no drag and drop and no animation but it fulfills your requirement.
我将详细介绍每个部分
InitializeGame
InitializeGame
- 您确实设置了图片尺寸（显然它们应该相同）
- 您在字典中添加了片段类型/颜色与位图之间的关系
注意：网格将被缩放因此您可以抛出任意大小的位图
Note : the grid will be scaled so you can throw any size of bitmap you like
CreateBoard，DrawGame，DrawPieces
CreateBoard, DrawGame, DrawPieces
这里没有什么例外，请注意，为了保持简单，我每次用户单击时都会这样做，但这不应该是一个大问题，毕竟不是孤岛危机：D
Nothing exceptional in there, note that for keeping things simple I do that every time a user clicks but it shouldn't be much of an issue, it's not Crysis after all :D
PickOrDropPiece
PickOrDropPiece
这是拾取/删除操作的逻辑，这确实很简单
This is the logic where picking/dropping happens, it's really trivial and I'll let you take a look by yourself.
您的代码之间的差异
我创建了一个 Board 类型，该类型可以保存碎片，并且您可以轻松地对其进行更新。
I've created a Board type which holds the pieces and that you can easily update.
注意：请勿删除 Piece 中的等式成员，它们在这里是为了帮助字典。
Note : do not remove the equality members in Piece they are here to help the dictionary.
请务必使用32具有透明边框的位图
Make sure to use 32-bit bitmaps with transparent borders
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
pictureBox1.MouseDown += pictureBox1_MouseDown;
}
#region Properties
private Board Board { get; set; }
private Piece CurrentPiece { get; set; }
private Dictionary<Piece, Bitmap> PieceBitmaps { get; set; }
private int TileWidth { get; set; }
private int TileHeight { get; set; }
#endregion
#region Events
private void Form1_Load(object sender, EventArgs e)
{
InitializeGame();
DrawGame();
}
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
PickOrDropPiece(e);
DrawGame();
}
#endregion
#region Methods
private void InitializeGame()
{
TileWidth = 64;
TileHeight = 64;
Board = new Board();
PieceBitmaps = new Dictionary<Piece, Bitmap>();
PieceBitmaps.Add(new Piece(PieceType.Pawn, PieceColor.Black), new Bitmap("pawnblack.png"));
PieceBitmaps.Add(new Piece(PieceType.Pawn, PieceColor.White), new Bitmap("pawnwhite.png"));
}
private void DrawGame()
{
var tileSize = new Size(TileWidth, TileHeight);
Bitmap bitmap = CreateBoard(tileSize);
DrawPieces(bitmap);
pictureBox1.Image = bitmap;
}
private Bitmap CreateBoard(Size tileSize)
{
int tileWidth = tileSize.Width;
int tileHeight = tileSize.Height;
var bitmap = new Bitmap(tileWidth*8, tileHeight*8);
using (Graphics graphics = Graphics.FromImage(bitmap))
{
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
Brush brush = (x%2 == 0 && y%2 == 0) || (x%2 != 0 && y%2 != 0) ? Brushes.Black : Brushes.White;
graphics.FillRectangle(brush, new Rectangle(x*tileWidth, y*tileHeight, tileWidth, tileHeight));
}
}
}
return bitmap;
}
private void DrawPieces(Bitmap bitmap)
{
using (Graphics graphics = Graphics.FromImage(bitmap))
{
Board board = Board;
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
Piece piece = board.GetPiece(x, y);
if (piece != null)
{
Bitmap bitmap1 = PieceBitmaps[piece];
graphics.DrawImageUnscaled(bitmap1, new Point(x*TileWidth, y*TileHeight));
}
}
}
}
}
private void PickOrDropPiece(MouseEventArgs e)
{
Point location = e.Location;
int x = location.X/TileWidth;
int y = location.Y/TileHeight;
bool pickOrDrop = CurrentPiece == null;
if (pickOrDrop)
{
// Pick a piece
Piece piece = Board.GetPiece(x, y);
Board.SetPiece(x, y, null);
if (piece != null)
{
label1.Text = string.Format("You picked a {0} {1} at location {2},{3}", piece.Color, piece.Type, x,
y);
}
else
{
label1.Text = "Nothing there !";
}
CurrentPiece = piece;
}
else
{
// Drop picked piece
Board.SetPiece(x, y, CurrentPiece);
label1.Text = string.Format("You dropped a {0} {1} at location {2},{3}", CurrentPiece.Color,
CurrentPiece.Type, x,
y);
CurrentPiece = null;
}
}
#endregion
}
public class Board
{
private readonly Piece[] _pieces;
public Board()
{
_pieces = new Piece[8*8];
PopulatePieces();
}
public Piece GetPiece(int x, int y)
{
int i = y*8 + x;
return _pieces[i];
}
public void SetPiece(int x, int y, Piece piece)
{
int i = y*8 + x;
_pieces[i] = piece;
}
private void PopulatePieces()
{
for (int i = 0; i < 8; i++)
{
SetPiece(i, 1, new Piece(PieceType.Pawn, PieceColor.Black));
SetPiece(i, 7, new Piece(PieceType.Pawn, PieceColor.White));
}
}
}
public class Piece
{
private readonly PieceColor _color;
private readonly PieceType _type;
public Piece(PieceType type, PieceColor color)
{
_type = type;
_color = color;
}
public PieceType Type
{
get { return _type; }
}
public PieceColor Color
{
get { return _color; }
}
protected bool Equals(Piece other)
{
return _color == other._color && _type == other._type;
}
public override bool Equals(object obj)
{
if (ReferenceEquals(null, obj)) return false;
if (ReferenceEquals(this, obj)) return true;
if (obj.GetType() != GetType()) return false;
return Equals((Piece) obj);
}
public override int GetHashCode()
{
unchecked
{
return ((int) _color*397) ^ (int) _type;
}
}
public static bool operator ==(Piece left, Piece right)
{
return Equals(left, right);
}
public static bool operator !=(Piece left, Piece right)
{
return !Equals(left, right);
}
}
public enum PieceType
{
Pawn
}
public enum PieceColor
{
Black,
White
}
}
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