【C++】黑客帝国&满天星

黑客帝国

黑客帝国C++代码包含链表等知识，在娱乐的同时学习知识。

效果如下：

代码如下：

#include  

#define ID_TIMER 1 
#define STRMAXLEN 25 //一个显示列的最大长度
#define STRMINLEN 8 //一个显示列的最小长度 


LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);	//函数声明

typedef struct tagCharChain //整个当作屏幕的一个显示列,这是个双向列表 
{
	struct tagCharChain *prev; //链表的前一个元素 
	TCHAR ch; //一个显示列中的一个字符 
	struct tagCharChain *next; //链表的后一个元素 
}CharChain, *pCharChain;


typedef struct tagCharColumn	//字符列
{
	CharChain *head, *current, *point;
	int x, y, iStrLen; //显示列的开始显示的x,y坐标,iStrLen是这个列的长度 
	int iStopTimes, iMustStopTimes; //已经停滞的次数和必须停滞的次数,必须停滞的次数是随机的 
}CharColumn, *pCharColumn;

//main入口
int main(HINSTANCE hInstance, HINSTANCE hPrevInstance,
	PSTR szCmdLine, int iCmdShow)
{
	static TCHAR szAppName[] = TEXT("matrix");
	HWND hwnd;
	MSG msg;
	WNDCLASS wndclass;

	wndclass.style = CS_HREDRAW | CS_VREDRAW;
	wndclass.lpfnWndProc = WndProc;
	wndclass.cbClsExtra = 0;
	wndclass.cbWndExtra = 0;
	wndclass.hInstance = hInstance;
	wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
	wndclass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
	wndclass.lpszMenuName = NULL;
	wndclass.lpszClassName = szAppName;

	if (!RegisterClass(&wndclass))
	{
		MessageBox(NULL, TEXT("此程序必须运行在Windows下!"), szAppName, MB_ICONERROR);
		return 0;
	}

	hwnd = CreateWindow(szAppName, NULL,
		WS_DLGFRAME | WS_THICKFRAME | WS_POPUP,
		0, 0,
		GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN),
		NULL, NULL, hInstance,
		NULL);


	ShowWindow(hwnd, SW_SHOWMAXIMIZED); //最大化显示 
	UpdateWindow(hwnd);
	ShowCursor(FALSE); //隐藏鼠标光标 

	srand((int)GetCurrentTime()); //初始化随机数发生器 
	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	ShowCursor(TRUE); //显示鼠标光标 
	return msg.wParam;
}

//随机字符产生函数 
TCHAR randomChar() 
{
	return (TCHAR)(rand() % (126 - 33) + 33); //33到126之间 
}

//初始化 
int init(CharColumn *cc, int cyScreen, int x) 
{
	int j;
	cc->iStrLen = rand() % (STRMAXLEN - STRMINLEN) + STRMINLEN; //显示列的长度 
	cc->x = x + 3; //显示列的开始显示的x坐标 
	cc->y = rand() % 3 ? rand() % cyScreen : 0; //显示列的开始显示的y坐标 
	cc->iMustStopTimes = rand() % 6;
	cc->iStopTimes = 0;
	cc->head = cc->current =
		(pCharChain)calloc(cc->iStrLen, sizeof(CharChain)); //生成显示列 
	for (j = 0; j < cc->iStrLen - 1; j++)
	{
		cc->current->prev = cc->point; //cc->point一个显示列的前个元素 
		cc->current->ch = '\0';
		cc->current->next = cc->current + 1; //cc->current+1一个显示列的后个元素 
		cc->point = cc->current++; //cc->point = cc->current; cc->current++; 
	}
	cc->current->prev = cc->point; //最后一个节点 
	cc->current->ch = '\0';
	cc->current->next = cc->head;
	cc->head->prev = cc->current; //头节点的前一个为此链的最后一个元素 

	cc->current = cc->point = cc->head; //free掉申请的内存要用current当参数 
	cc->head->ch = randomChar(); // 对链表头的 元素填充 
	return 0;
}


LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	HDC hdc;
	//ctn 用来确定一个显示链是否 向下前进,如果等待次数超过必须等待的次数,ctn就代表要向下前进 
	int i, j, temp, ctn; //j为一个显示链中除链表头外的在屏幕上显示的y坐标,temp绿色过度到黑色之用 
	static HDC hdcMem;
	HFONT hFont;
	static HBITMAP hBitmap;
	static int cxScreen, cyScreen; //屏幕的宽度 高度. 
	static int iFontWidth = 10, iFontHeight = 15, iColumnCount; //字体的宽度 高度, 列数 
	static CharColumn *ccChain;

	switch (message)
	{
	case WM_CREATE:
		cxScreen = GetSystemMetrics(SM_CXSCREEN); //屏幕宽度 
		cyScreen = GetSystemMetrics(SM_CYSCREEN);	//屏幕高度
		SetTimer(hwnd, ID_TIMER, 10, NULL);

		hdc = GetDC(hwnd);
		hdcMem = CreateCompatibleDC(hdc);
		hBitmap = CreateCompatibleBitmap(hdc, cxScreen, cyScreen);
		SelectObject(hdcMem, hBitmap);
		ReleaseDC(hwnd, hdc);
		//创建字体 
		hFont = CreateFont(iFontHeight, iFontWidth - 5, 0, 0, FW_BOLD, 0, 0, 0,
			DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
			DRAFT_QUALITY, FIXED_PITCH | FF_SWISS, TEXT("Fixedsys"));
		SelectObject(hdcMem, hFont);
		DeleteObject(hFont);
		SetBkMode(hdcMem, TRANSPARENT); //设置背景模式为 透明 
		iColumnCount = cxScreen / (iFontWidth * 3 / 2); //屏幕所显示字母雨的列数 


		ccChain = (pCharColumn)calloc(iColumnCount, sizeof(CharColumn));
		for (i = 0; i < iColumnCount; i++)
		{
			init(ccChain + i, cyScreen, (iFontWidth * 3 / 2)*i);
		}
		return 0;


	case WM_TIMER:
		hdc = GetDC(hwnd);
		PatBlt(hdcMem, 0, 0, cxScreen, cyScreen, BLACKNESS); //将内存设备映像刷成黑色 
		for (i = 0; i < iColumnCount; i++)
		{
			ctn = (ccChain + i)->iStopTimes++ > (ccChain + i)->iMustStopTimes;
			// 
			(ccChain + i)->point = (ccChain + i)->head; //point用于遍历整个显示列 


			//第一个字符显示为 白色 
			SetTextColor(hdcMem, RGB(255, 255, 255));
			TextOut(hdcMem, (ccChain + i)->x, (ccChain + i)->y, &((ccChain + i)->point->ch), 1);
			j = (ccChain + i)->y;
			(ccChain + i)->point = (ccChain + i)->point->next;
			//遍历整个显示列,将这个显示列里的字符从下往上显示 
			temp = 0; //temp绿色过度到黑色之用 
			while ((ccChain + i)->point != (ccChain + i)->head && (ccChain + i)->point->ch)
			{
				SetTextColor(hdcMem, RGB(0, 255 - (255 * (temp++) / (ccChain + i)->iStrLen), 0));
				TextOut(hdcMem, (ccChain + i)->x, j -= iFontHeight, &((ccChain + i)->point->ch), 1);
				(ccChain + i)->point = (ccChain + i)->point->next;
			}
			if (ctn)
				(ccChain + i)->iStopTimes = 0;
			else continue;
			(ccChain + i)->y += iFontHeight; //下次开始显示的y坐标 为当前的y坐标加上 一个字符的高度 
			//如果开始显示的y坐标减去 整个显示列的长度超过了屏幕的高度 
			if ((ccChain + i)->y - (ccChain + i)->iStrLen*iFontHeight > cyScreen)
			{
				free((ccChain + i)->current);
				init(ccChain + i, cyScreen, (iFontWidth * 3 / 2)*i);
			}
			//链表的头 为此链表的前个元素,因为下次开始显示的时候 就相当与在整个显示列的开头添加个元素,然后在开始往上显示 
			(ccChain + i)->head = (ccChain + i)->head->prev;
			(ccChain + i)->head->ch = randomChar();
		}


		BitBlt(hdc, 0, 0, cxScreen, cyScreen, hdcMem, 0, 0, SRCCOPY);
		ReleaseDC(hwnd, hdc);
		return 0;


	case WM_RBUTTONDOWN:
		KillTimer(hwnd, ID_TIMER);
		return 0;


	case WM_RBUTTONUP:
		SetTimer(hwnd, ID_TIMER, 10, NULL);
		return 0;


	//处理善后工作 
	case WM_KEYDOWN:
	case WM_LBUTTONDOWN:
	case WM_DESTROY:
		KillTimer(hwnd, ID_TIMER);
		DeleteObject(hBitmap);
		DeleteDC(hdcMem);
		for (i = 0; i < iColumnCount; i++)
		{
			free((ccChain + i)->current);
		}
		free(ccChain);
		PostQuitMessage(0);
		return 0;
	}
	return DefWindowProc(hwnd, message, wParam, lParam);
}

满天星

学习模板类等操作。效果如下：

代码如下：

/*
			  /\
			/_/\_\
		  /_/_/\_\_\
		/_/_/_/\_\_\_\
			/_/\_\
		  /_/_/\_\_\
		/_/_/_/\_\_\_\
	  /_/_/_/_/\_\_\_\_\
	/_/_/_/_/_/\_\_\_\_\_\
		  /_/_/\_\_\
		/_/_/_/\_\_\_\
	  /_/_/_/_/\_\_\_\_\
	/_/_/_/_/_/\_\_\_\_\_\
  /_/_/_/_/_/_/\_\_\_\_\_\_\
/_/_/_/_/_/_/_/\_\_\_\_\_\_\_\
			 [__]
*/
//满天星测试程序
#include
#include
#include	//windows api
using namespace std;

template <typename T>	//STL

//输入
void input(T &t)
{
	char c;
	cin.get(c);
	if (c != '\n')	//回车即默认
	{
		cin.putback(c);
		cin >> t;
		while (cin.get() != '\n');
	}
}

//树状
void tree(char photo[], int kd, int h, int l, int n)
{
	photo[h * kd + 2 + l] = '/';
	photo[h * kd + 3 + l] = '\\';
	for (int i = 0; i < n; i++)
	{
		photo[h * kd + l + 1 - 2 * i] = '_';
		photo[h * kd + l + 0 - 2 * i] = '/';
	}
	for (int i = 0; i < n; i++)
	{
		photo[h * kd + l + 4 + 2 * i] = '_';
		photo[h * kd + l + 5 + 2 * i] = '\\';
	}

}

//main入口
int main()
{
	//初始化值
	int sl = 1000, de = 8, pl = 50, ph = 24, treeco = 10, kd = 100, gd = 30;
	srand(time(NULL));

	CONSOLE_SCREEN_BUFFER_INFO csbi;
	int ret;
	HANDLE stdouthwnd = GetStdHandle(STD_OUTPUT_HANDLE);
	ret = GetConsoleScreenBufferInfo(stdouthwnd, &csbi);
	if (ret)
	{
		kd = csbi.dwSize.X - 1;
		//gd = csbi.dwSize.Y;
	}
	pl = kd / 2;
	ph = gd - 16;
	cout << "in put print width(default " << kd << "):";
	input<int>(kd);
	cout << "in put print height(default " << gd << "):";
	input<int>(gd);
	cout << "in put tree color(30-37,default " << treeco << "):";
	input<int>(treeco);
	if (treeco > 15 || treeco < 0)
	{
		cout << "tree color in put error,default is 10(green)" << endl;
		treeco = 10;
	}
	cout << "in put refresh cycke(1000 = 1second,default " << sl << "):";
	input<int>(sl);
	cout << "in put tree left blank(default " << pl << "):";
	input<int>(pl);
	cout << "in put tree above blank(default " << ph << "):";
	input<int>(ph);
	cout << "in put star density(default " << de << "):";
	input<int>(de);
	char *photo = new char[kd * gd];
	const char * EscOut = "Press ESC key to push out";
	COORD pos;
	pos.X = 0;
	pos.Y = 0;
	while (1)
	{
		SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);
		//cout << "\033[0;0H";
		//rand *
		for (int i = 0; i < kd * gd; i++)
		{
			if (i < 25)
			{
				photo[i] = EscOut[i];
			}
			else
			{
				if (rand() % de == 0)
					photo[i] = '*';
				else
					photo[i] = ' ';
			}
		}

		//tree
		for (int i = 0; i < 15; i++)
		{
			int temp = i;
			if (i > 3)
				temp -= 2;
			if (i > 8)
				temp -= 3;
			tree(photo, kd, i + ph, pl, temp);
		}
		photo[(ph + 15) * kd + pl + 1] = '[';
		photo[(ph + 15) * kd + pl + 2] = '_';
		photo[(ph + 15) * kd + pl + 3] = '_';
		photo[(ph + 15) * kd + pl + 4] = ']';
		//out 
		for (int i = 0; i < gd; i++)
		{
			for (int j = 0; j < kd; j++)
			{
				if (photo[i * kd + j] == '*')
				{
					SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), rand() % 16);
					cout << photo[i * kd + j];
					//cout << "\033[" << rand() % 8 + 30 << "m" << photo[i * kd + j];
				}
				else
				{
					SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), treeco);
					cout << photo[i * kd + j];
					//cout << "\033[" << treeco << "m" << photo[i * kd + j];
				}

			}
			if (i < gd - 1)
				cout << endl;
		}
		SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY | FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
		if (GetAsyncKeyState(VK_ESCAPE))
			break;
		Sleep(sl);
		if (GetAsyncKeyState(VK_ESCAPE))
			break;
	}
	delete[] photo;
	return 0;
}

以上。