自学的win32编程，写了一个win32 API版2048，自己摸索着写的，按上下左右箭头开始游戏

复制代码 代码如下:
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctime>
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
//全局操作数组
int arr[4][4] = { { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 0, 0, 0 } };
//全局窗口句柄
HWND g_hwnd;
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
TCHAR *szAppName = TEXT("2048");
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndclass.hInstance = hInstance;
wndclass.lpfnWndProc = WndProc;
wndclass.lpszClassName = szAppName;
wndclass.lpszMenuName = NULL;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
if (!RegisterClass(&wndclass))
{
MessageBox(NULL, TEXT("无法注册窗口类"), TEXT("注册错误"), MB_ICONERROR);
return -1;
}
hwnd = CreateWindow(szAppName, TEXT("我的2048游戏"), WS_OVERLAPPEDWINDOW^WS_THICKFRAME,
CW_USEDEFAULT, CW_USEDEFAULT, 500, 500,
NULL, NULL, hInstance, NULL);
g_hwnd = hwnd;
ShowWindow(hwnd, iCmdShow);
UpdateWindow(hwnd);
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}

void newNum()
{
int num = 0;//一个在0至9之间的书
int xPos = 0, yPos = 0;
srand(time(0));
do{
xPos = rand() % 4;
yPos = rand() % 4;
} while (arr[xPos][yPos] != 0);
num = rand() % 10;
if (num < 7)
arr[xPos][yPos] = 2;
else
arr[xPos][yPos] = 4;
}

//画数组函数
void DrawCanvas(HWND hwnd)
{
HBRUSH hBrush;
HDC hdc;
RECT rt;
TCHAR szBuffer[10];
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
if (arr[i][j] != 0)
{
LOGFONT logfont;
hdc = GetDC(hwnd);
//设置数字的字体大小
ZeroMemory(&logfont, sizeof(LOGFONT));
logfont.lfCharSet = GB2312_CHARSET;
logfont.lfHeight = -50; //设置字体的大小
HFONT hFont = CreateFontIndirect(&logfont);
SetTextColor(hdc, RGB(255, 255, 255));
SetBkColor(hdc, RGB(200, 200, 0));
SetBkMode(hdc, TRANSPARENT);
SelectObject(hdc, hFont);
//创建画刷
hBrush = CreateSolidBrush(RGB((arr[i][j] * 10) % 256, (arr[i][j]*40)%256, 0));
SetRect(&rt, j * 100, i * 100, j * 100 + 100, i * 100 + 100);
FillRect(hdc, &rt, hBrush);
TextOut(hdc, j * 100 , i * 100 + 25, szBuffer, wsprintf(szBuffer, TEXT("%d"), arr[i][j]));
ReleaseDC(hwnd, hdc);
DeleteObject(hBrush);
}
else
{
SetRect(&rt, j * 100, i * 100, j * 100 + 100, i * 100 + 100);
hdc = GetDC(hwnd);
hBrush = CreateSolidBrush(RGB(200, 250, 0));
FillRect(hdc, &rt, hBrush);
ReleaseDC(hwnd, hdc);
DeleteObject(hBrush);
}
}
}
}
//判断数组是否满了
bool isFull()
{
bool full = true;
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
if (arr[i][j] == 0)
{
full = false;
}
}
}
return full;
}

//处理数组函数
void changeArr(int direct)
{
bool xiaoyici = false;
bool chendi = false;

switch (direct)
{
//上键 done
case 0:
{

//开始数组操作
for (int i = 0; i < 4; i++)
{

for (int a = 0; a < 4; a++){

//1先沉底
for (int b = 0; b < 4; b++)
{
for (int m = 0; m < 4; ++m)
{
for (int k = m; k < 3; ++k)
{

if (arr[k][i] == 0 && arr[k+1][i]!=0)
{
chendi = true;
arr[k][i] = arr[k + 1][i];
arr[k + 1][i] = 0;
}
}
}
}
//2两两比较

for (int j = a; j < 4; ++j)
{


if (arr[j][i] != 0 && arr[j][i] == arr[j + 1][i])
{
xiaoyici = true;
arr[j][i] <<= 1;
arr[j + 1][i] = 0;
j++;
a++;

}
else
{
continue;
}
}

}


}//结束数组操作
//判断是否死亡
if (!xiaoyici && isFull())
{
MessageBox(g_hwnd, TEXT("你挂掉了"), TEXT("糟糕"), MB_OK);
SendMessage(g_hwnd,WM_DESTROY,0,0);
}
else{
//随机生成一个新的2或4放入数组
if (xiaoyici || chendi){ newNum(); }
}

}
break;
//下键
case 1:
{
//开始数组操作
for (int i = 0; i < 4; i++)
{
for (int a = 0; a < 4; a++)
{

//1先沉底
for (int b = 3; b >= 0; b--)
{
for (int m = 3; m >= 0; --m)
{
for (int k = m; k > 0; --k)
{

if (arr[k][i] == 0&&arr[k-1][i]!=0)
{
chendi = true;
arr[k][i] = arr[k - 1][i];
arr[k - 1][i] = 0;
}
}
}
}
//2两两比较

for (int j = 3 - a; j >= 0; --j)
{
if (arr[j][i] != 0 && arr[j][i] == arr[j - 1][i])
{
xiaoyici = true;
arr[j][i] += arr[j][i];
arr[j - 1][i] = 0;
a++;
--j;
}
else
{
continue;
}
}

}
}
//结束数组操作
//判断是否死亡
if (!xiaoyici && isFull())
{
MessageBox(g_hwnd, TEXT("你挂掉了"), TEXT("糟糕"), MB_OK);
SendMessage(g_hwnd, WM_DESTROY, 0, 0);
}
else{
//随机生成一个新的2或4放入数组
if (xiaoyici || chendi){ newNum(); }
}
}
break;
//左键done
case 2:
{

//开始数组操作
for (int i = 0; i < 4; i++)
{

for (int a = 0; a < 4; a++){

//1先沉底
for (int b = 0; b < 4; b++)
{
for (int m = 0; m < 4; ++m)
{
for (int k = m; k < 3; ++k)
{

if (arr[i][k] == 0&&arr[i][k+1]!=0)
{
chendi = true;
arr[i][k] = arr[i][k+1];
arr[i][k+1] = 0;
}
}
}
}
//2两两比较

for (int j = a; j < 4; ++j)
{

if (arr[i][j] != 0 && arr[i][j] == arr[i][j+1])
{
xiaoyici = true;
arr[i][j] <<= 1;
arr[i][j+1] = 0;
j++;
a++;

}
else
{
continue;
}
}

}

}//结束数组操作
//判断是否死亡
if (!xiaoyici && isFull())
{
MessageBox(g_hwnd, TEXT("你挂掉了"), TEXT("糟糕"), MB_OK);
SendMessage(g_hwnd, WM_DESTROY, 0, 0);
}
else{
//随机生成一个新的2或4放入数组
if (xiaoyici || chendi){ newNum(); }
}
}
break;
//右键
case 3:
{
//开始数组操作
for (int i = 0; i < 4; i++)
{
for (int a = 0; a < 4; a++)
{

//1先沉底
for (int b = 3; b >= 0; b--)
{
for (int m = 3; m >= 0; --m)
{
for (int k = m; k > 0; --k)
{

if (arr[i][k] == 0&&arr[i][k-1]!=0)
{
chendi = true;
arr[i][k] = arr[i][k-1];
arr[i][k-1] = 0;
}
}
}
}
//2两两比较

for (int j = 3 - a; j >= 0; --j)
{
if (arr[i][j] != 0 && arr[i][j] == arr[i][j-1])
{
xiaoyici = true;
arr[i][j] += arr[i][j];
arr[i][j-1] = 0;
a++;
--j;
}
else
{
continue;
}
}

}
}
//结束数组操作
//判断是否死亡
if (!xiaoyici && isFull())
{
MessageBox(g_hwnd, TEXT("你挂掉了"), TEXT("糟糕"), MB_OK);
SendMessage(g_hwnd, WM_DESTROY, 0, 0);
}
else{
//随机生成一个新的2或4放入数组
if (xiaoyici || chendi){ newNum(); }
}
}
break;
default:
return;
}
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_CREATE:
{
newNum();
//newNum();
}
break;
case WM_KEYDOWN:
{
switch (wParam)
{
//如果上键被按下
case VK_UP:
{

changeArr(0);
DrawCanvas(hwnd);

}
break;
//如果下键被按下
case VK_DOWN:
{
changeArr(1);
DrawCanvas(hwnd);
}
break;
//如果左键被按下
case VK_LEFT:
{
changeArr(2);
DrawCanvas(hwnd);
}
break;
//如果右键被按下
case VK_RIGHT:
{
changeArr(3);
DrawCanvas(hwnd);
}
break;
default:
break;
}
}
break;
case WM_DESTROY:
PostQuitMessage(0);
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}