game

#include "stdafx.h"
#include "WindowsProject5.h"
#include "stdio.h"
#include <Windows.h>

#define MAX_LOADSTRING 100


HINSTANCE hInst;                                
WCHAR szTitle[MAX_LOADSTRING];                  
WCHAR szWindowClass[MAX_LOADSTRING];            


ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK    About(HWND, UINT, WPARAM, LPARAM);

int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
                     _In_opt_ HINSTANCE hPrevInstance,
                     _In_ LPWSTR    lpCmdLine,
                     _In_ int       nCmdShow)
{
    UNREFERENCED_PARAMETER(hPrevInstance);
    UNREFERENCED_PARAMETER(lpCmdLine);

    LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
    LoadStringW(hInstance, IDC_WINDOWSPROJECT5, szWindowClass, MAX_LOADSTRING);
    MyRegisterClass(hInstance);

    if (!InitInstance (hInstance, nCmdShow))
    {
        return FALSE;
    }

    HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WINDOWSPROJECT5));

    MSG msg;

    while (GetMessage(&msg, nullptr, 0, 0))
    {
        if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }

    return (int) msg.wParam;
}

int hero;
int a[100][100];
int n;
int m;
void Read()
{
	FILE *f;
	fopen_s(&f, "C:\\temp\\game.txt", "rt");
	fscanf_s(f, "%d ", &n);
	fscanf_s(f, "%d ", &m);
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			fscanf_s(f, "%d ", &a[i][j]);
		}
	}
	fclose(f);
}
void Draw(HDC hdc)
{
	HBRUSH GrayBrush = CreateSolidBrush(RGB(100, 100, 100));
	HBRUSH BlackBrush = CreateSolidBrush(RGB(0, 0, 0));
	HBRUSH YellowBrush = CreateSolidBrush(RGB(255, 244, 0));
	HBRUSH GreenBrush = CreateSolidBrush(RGB(0, 255, 0));
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			RECT rect = { j * 20,i * 20,(j + 1) * 20,(i + 1) * 20 };
			if (a[i][j] == 0)
			{
				FillRect(hdc, &rect, GrayBrush);
			}
			if (a[i][j] == 1)
			{
				FillRect(hdc, &rect, BlackBrush);
			}
			if (a[i][j] == 2)
			{
				FillRect(hdc, &rect, YellowBrush);
			}
		}
	}
}
void movetoleft(int &n, int &m)
{
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			if (a[i][j] == 2)
			{
				if (a[i][j - 1] == 0)
				{
					a[i][j - 1] = 2;
					a[i][j] = 0;	

				}
			}
		}
	}
}
void movetoright(int &n, int &m)
{
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			if (a[i][j] == 2)
			{
				if (a[i][j + 1] == 0)
				{
					a[i][j + 1] = 2;
					a[i][j] = 0;

				}
			}
		}
	}
}
void movetoup(int &n, int &m)
{
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			if (a[i][j] == 2)
			{
				if (a[i-1][j] == 0)
				{
					a[i - 1][j] = 2;
					a[i][j] = 0;

				}
			}
		}
	}
}
void movetodown(int &n, int &m)
{
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			if (a[i][j] == 2)
			{
				if (a[i + 1][j] == 0)
				{
					a[i + 1][j] = 2;
					a[i][j] = 0;

				}
			}
		}
	}
}

ATOM MyRegisterClass(HINSTANCE hInstance)
{
    WNDCLASSEXW wcex;

    wcex.cbSize = sizeof(WNDCLASSEX);

    wcex.style          = CS_HREDRAW | CS_VREDRAW;
    wcex.lpfnWndProc    = WndProc;
    wcex.cbClsExtra     = 0;
    wcex.cbWndExtra     = 0;
    wcex.hInstance      = hInstance;
    wcex.hIcon          = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_WINDOWSPROJECT5));
    wcex.hCursor        = LoadCursor(nullptr, IDC_ARROW);
    wcex.hbrBackground  = (HBRUSH)(COLOR_WINDOW+1);
    wcex.lpszMenuName   = MAKEINTRESOURCEW(IDC_WINDOWSPROJECT5);
    wcex.lpszClassName  = szWindowClass;
    wcex.hIconSm        = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

    return RegisterClassExW(&wcex);
}


BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   hInst = hInstance; 

   HWND hWnd = CreateWindowW(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, nullptr, nullptr, hInstance, nullptr);

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}
HDC hdc;
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    case WM_COMMAND:
        {
            int wmId = LOWORD(wParam);
         
            switch (wmId)
            {
            case IDM_ABOUT:
                DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
                break;
            case IDM_EXIT:
                DestroyWindow(hWnd);
                break;
            default:
                return DefWindowProc(hWnd, message, wParam, lParam);
            }
        }
        break;
	case WM_KEYDOWN:
		switch (wParam)
		{
		case VK_DOWN:
			movetodown(n,m);
			InvalidateRect(hWnd, NULL, TRUE);
			break;

		case VK_UP:
			movetoup(n, m);
			InvalidateRect(hWnd, NULL, TRUE);
			break;
		case VK_LEFT:
			movetoleft(n, m);
			InvalidateRect(hWnd, NULL, TRUE);
			break;
		case VK_RIGHT:
			movetoright(n, m);
			InvalidateRect(hWnd, NULL, TRUE);
			break;
			}
		break;
    case WM_PAINT:
        {
            PAINTSTRUCT ps;
            HDC hdc = BeginPaint(hWnd, &ps);
			Read();
			Draw(hdc);
            EndPaint(hWnd, &ps);
        }
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    default:
        return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    UNREFERENCED_PARAMETER(lParam);
    switch (message)
    {
    case WM_INITDIALOG:
        return (INT_PTR)TRUE;

    case WM_COMMAND:
        if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
        {
            EndDialog(hDlg, LOWORD(wParam));
            return (INT_PTR)TRUE;
        }
        break;
    }
    return (INT_PTR)FALSE;
}