\u6211\u662f\u4e3a\u4e86\u8bc1\u660e\u201c\u8fd9\u79cd\u4e1c\u897f\u5176\u5b9e\u6211\u4e5f\u53ef\u4ee5\u5199\u5f97\u51fa\u6765\u7684\uff01\u201d\u5417\uff1f<\/p>\n
\u611f\u60f3\uff1a\u7528WM_TIMER\u5b9a\u65f6\u5b9e\u5728\u662f\u4e0d\u591f\u51c6\uff0c\u504f\u5dee\u592a\u5927\u3002\u6700\u540e\u8fd8\u662f\u6362\u4e86WaitableTimer<\/p>\n
\u4e0b\u8f7dEXE<\/a><\/p>\n<\/div>\n <\/p>\n <\/code>\n <\/div>\n","protected":false},"excerpt":{"rendered":" \u6211\u662f\u4e3a\u4e86\u8bc1\u660e\u201c\u8fd9\u79cd\u4e1c\u897f\u5176\u5b9e\u6211\u4e5f\u53ef\u4ee5\u5199\u5f97\u51fa\u6765\u7684\uff01\u201d\u5417\uff1f \u611f\u60f3\uff1a\u7528WM_TIMER\u5b9a\u65f6\u5b9e\u5728\u662f\u4e0d\u591f\u51c6\uff0c\u504f\u5dee\u592a\u5927\u3002\u6700\u540e … \u7ee7\u7eed\u9605\u8bfb\u8d2a\u98df\u86c7<\/span> <\/p>\n#define _WIN32_WINNT 0x0400\n#include <Windows.h>\n#include <commctrl.h>\n#include <stdlib.h>\n#pragma comment(lib, \"user32.lib\")\n#pragma comment(lib, \"gdi32.lib\")\n#pragma comment(lib, \"comctl32.lib\")\n#pragma comment(linker, \"\/subsystem:windows\")\n\n\/\/\u53ef\u8c03\u6574\u7684\u521d\u59cb\u6570\u636e\nenum { BlockLen = 30, HCnt = 15, VCnt = 15, InitPosX = 5, InitPosY = 5, InitLen = 3, InitTimerInterval = 800 };\n\nstruct SnakeNode {\n int x;\n int y;\n struct SnakeNode* next;\n};\n\nstruct Map {\n SnakeNode* snake;\n int eggx; \/\/\u86cb\u7684\u4f4d\u7f6e\n int eggy;\n int snakedx; \/\/\u86c7\u7684\u65b9\u5411\n int snakedy;\n int curLevel; \/\/\u96be\u5ea6\n int eggCnt; \/\/\u5403\u7684\u86cb\u7684\u4e2a\u6570\n} gameMap;\n\nHWND hMain, hPic, hInfo;\n\nvoid GenEgg() \/\/\u751f\u6210\u65b0\u7684\u86cb\u7684\u4f4d\u7f6e\n{\n int x, y;\n for(;;) {\n int flag = 0;\n x = rand() % HCnt;\n y = rand() % VCnt;\n int snkCnt = 0;\n struct SnakeNode* s = gameMap.snake;\n while(s != 0) {\n if (s->x == x && s->y == y) {\n flag = 1;\n ++snkCnt;\n }\n s = s->next;\n }\n if (snkCnt == HCnt * VCnt) break; \/\/\u5982\u679c\u5730\u56fe\u6ee1\u4e86\n if (flag == 0) break;\n }\n gameMap.eggx = x;\n gameMap.eggy = y;\n}\n\nvoid ReleaseGameMap()\n{\n while(gameMap.snake != 0) {\n void* p = gameMap.snake;\n gameMap.snake = gameMap.snake->next;\n free(p);\n }\n}\n\nvoid InitGameMap()\n{\n struct SnakeNode *ls = 0, *s;\n int i;\n int x = InitPosX, y = InitPosY;\n \n for(i = 0; i < InitLen; ++i) {\n s = (struct SnakeNode*) malloc(sizeof(*s));\n s->x = x; s->y = y;\n if (ls == 0) {\n gameMap.snake = ls = s;\n } else {\n ls->next = s;\n ls = s;\n }\n --x;\n }\n gameMap.snakedx = 0;\n gameMap.snakedy = 0;\n ls->next = 0;\n gameMap.eggCnt = 0;\n gameMap.curLevel = 0;\n GenEgg();\n}\n\nvoid GenPic() {\n HDC wdc = GetDC(hPic);\n HBITMAP buf = CreateCompatibleBitmap(wdc, HCnt * BlockLen, VCnt * BlockLen);\n HDC mdc = CreateCompatibleDC(wdc);\n SelectObject(mdc, buf);\n HBRUSH whiteBrush = CreateSolidBrush(RGB(255, 255, 255));\n HPEN whitePen = CreatePen(PS_SOLID, 1, RGB(255, 255, 255));\n HBRUSH redBrush = CreateSolidBrush(RGB(255, 0, 0));\n HPEN redPen = CreatePen(PS_SOLID, 1, RGB(255, 255, 255));\n ReleaseDC(hPic, wdc);\n\n SelectObject(mdc, whitePen);\n SelectObject(mdc, whiteBrush);\n Rectangle(mdc, 0, 0, HCnt * BlockLen, VCnt * BlockLen);\n\n \/\/\u753b\u86cb\n SelectObject(mdc, redBrush);\n SelectObject(mdc, redPen);\n int eggl = gameMap.eggx * BlockLen;\n int eggt = gameMap.eggy * BlockLen;\n Ellipse(mdc, eggl, eggt, eggl + BlockLen, eggt + BlockLen);\n\n \/\/\u753b\u86c7\n LOGBRUSH lb;\n lb.lbColor = RGB(0, 255, 0);\n lb.lbStyle = BS_SOLID;\n lb.lbHatch = 0;\n HPEN snakePen = ExtCreatePen(PS_GEOMETRIC | PS_ENDCAP_ROUND | PS_JOIN_ROUND, BlockLen - 2, &lb, 0, 0);\n SelectObject(mdc, snakePen);\n int snkCnt = 0;\n struct SnakeNode* sn = gameMap.snake;\n while(sn != 0) {\n ++snkCnt;\n sn = sn->next;\n }\n POINT* pots = (POINT*) malloc(sizeof(POINT) * snkCnt);\n int i = 0;\n sn = gameMap.snake;\n while(sn != 0) {\n pots[i].x = sn->x * BlockLen + BlockLen \/ 2;\n pots[i].y = sn->y * BlockLen + BlockLen \/ 2;\n ++i;\n sn = sn->next;\n }\n Polyline(mdc, pots, snkCnt);\n free(pots);\n \n \/\/\u70b9\u86c7\u5934\n SelectObject(mdc, redBrush);\n SelectObject(mdc, redPen);\n Ellipse(mdc, gameMap.snake->x * BlockLen, gameMap.snake->y * BlockLen, gameMap.snake->x * BlockLen + BlockLen, gameMap.snake->y * BlockLen + BlockLen);\n\n DeleteObject(snakePen);\n DeleteObject(redBrush);\n DeleteObject(redPen);\n DeleteObject(whiteBrush);\n DeleteObject(whitePen);\n DeleteDC(mdc);\n\n HBITMAP oldbm = (HBITMAP)SendMessage(hPic, STM_GETIMAGE, (WPARAM)IMAGE_BITMAP, 0);\n SendMessage(hPic, STM_SETIMAGE, (WPARAM)IMAGE_BITMAP, (LPARAM)buf);\n if (oldbm != 0)\n DeleteObject(oldbm);\n InvalidateRect(hPic, NULL, FALSE);\n\n \/\/\u663e\u793a\u4fe1\u606f\n TCHAR infoBuf[64];\n wsprintf(infoBuf, TEXT(\"\u96be\u5ea6\uff1a%d \u5f97\u5206\uff1a%d\"), gameMap.curLevel, gameMap.eggCnt);\n SetWindowText(hInfo, infoBuf);\n}\n\nvoid ChangeWay(int dx, int dy)\n{\n struct SnakeNode* sn = gameMap.snake;\n if (sn->x + dx == sn->next->x && sn->y + dy == sn->next->y)\n ;\n else\n gameMap.snakedx = dx, gameMap.snakedy = dy;\n}\n\nbool Forward()\n{\n bool ret = true;\n if (gameMap.snakedx == 0 && gameMap.snakedy == 0)\n return true;\n\n int x = gameMap.snake->x;\n int y = gameMap.snake->y;\n x += gameMap.snakedx;\n y += gameMap.snakedy;\n struct SnakeNode* sn;\n\n \/\/\u8d85\u51fa\u8fb9\u754c\n if (x < 0 || y < 0 || x >= HCnt || y >= VCnt) {\n ret = false;\n } else {\n sn = gameMap.snake;\n while(sn != 0) {\n if (sn->x == x && sn->y == y) {\n ret = false; \/\/\u649e\u4e86\u81ea\u5df1\n break;\n }\n sn = sn->next;\n }\n }\n\n if (x == gameMap.eggx && y == gameMap.eggy) {\n \/\/\u5403\u4e86\u86cb\n sn = (struct SnakeNode*)malloc(sizeof(*sn));\n sn->x = x;\n sn->y = y;\n sn->next = gameMap.snake;\n gameMap.snake = sn;\n ++gameMap.eggCnt;\n GenEgg();\n } else {\n sn = (struct SnakeNode*)malloc(sizeof(*sn));\n sn->x = x;\n sn->y = y;\n sn->next = gameMap.snake;\n gameMap.snake = sn;\n while(sn->next->next != 0)\n sn = sn->next;\n free(sn->next);\n sn->next = 0;\n }\n\n return ret;\n}\n\nint APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmd, INT nShow)\n{\n srand((unsigned int)GetTickCount());\n InitCommonControls();\n hMain = CreateWindow(TEXT(\"#32770\"), TEXT(\"\u8d2a\u98df\u86c7 by \u7a7a\u96ea\u68a6\u89c1 2013-12-16\"), WS_OVERLAPPEDWINDOW,\n CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, NULL, NULL, hInst, 0);\n hPic = CreateWindow(TEXT(\"Static\"), TEXT(\"\"), WS_CHILD | WS_VISIBLE | SS_BITMAP,\n 0, 0, BlockLen * HCnt, BlockLen * VCnt, hMain, 0, hInst, 0);\n hInfo = CreateWindow(TEXT(\"Static\"), TEXT(\"\"), WS_CHILD | WS_VISIBLE,\n 20, BlockLen * VCnt, BlockLen * HCnt - 40, 30, hMain, 0, hInst, 0);\n RECT r;\n GetWindowRect(hMain, &r);\n r.right = r.left + HCnt * BlockLen;\n r.bottom = r.top + VCnt * BlockLen + 30;\n AdjustWindowRect(&r, WS_OVERLAPPEDWINDOW, FALSE);\n MoveWindow(hMain, r.left, r.top, r.right - r.left, r.bottom - r.top, FALSE);\n ShowWindow(hMain, nShow);\n\n InitGameMap();\n GenEgg();\n GenPic();\n\n GetAsyncKeyState(VK_UP);\n GetAsyncKeyState(VK_DOWN);\n GetAsyncKeyState(VK_LEFT);\n GetAsyncKeyState(VK_RIGHT);\n\n HANDLE hTimer = CreateWaitableTimer(0, FALSE, 0);\n LARGE_INTEGER liDueTime;\n liDueTime.QuadPart = -InitTimerInterval * 10000;\n SetWaitableTimer(hTimer, &liDueTime, InitTimerInterval, 0, 0, TRUE);\n MSG m;\n for(;;) {\n DWORD r = MsgWaitForMultipleObjects(1, &hTimer, FALSE, INFINITE, QS_ALLINPUT);\n\n if (GetAsyncKeyState(VK_UP) & 1)\n ChangeWay(0, -1);\n else if (GetAsyncKeyState(VK_DOWN) & 1)\n ChangeWay(0, 1);\n else if (GetAsyncKeyState(VK_LEFT) & 1)\n ChangeWay(-1, 0);\n else if (GetAsyncKeyState(VK_RIGHT) & 1)\n ChangeWay(1, 0);\n\n if (r == WAIT_OBJECT_0) {\n if (Forward() == false) {\n GenPic();\n MessageBox(hMain, TEXT(\"\u4f60\u6b7b\u4e86\"), TEXT(\"\u6b7b\u6b7b\u6b7b\u6b7b\u6b7b\"), MB_OK);\n ReleaseGameMap();\n InitGameMap();\n liDueTime.QuadPart = -InitTimerInterval * 10000;\n SetWaitableTimer(hTimer, &liDueTime, InitTimerInterval, 0, 0, TRUE);\n }\n\n if (gameMap.curLevel <= gameMap.eggCnt \/ 10) {\n int x = InitTimerInterval;\n ++gameMap.curLevel;\n int i, iend = gameMap.curLevel;\n for (i = 0; i < iend; ++i) {\n x *= 8;\n x \/= 10;\n }\n liDueTime.QuadPart = -x * 10000;\n SetWaitableTimer(hTimer, &liDueTime, x, 0, 0, TRUE);\n }\n\n GenPic();\n } else if (r == WAIT_OBJECT_0 + 1) {\n bool quit = false;\n while( PeekMessage(&m, 0, 0, 0, PM_REMOVE) != FALSE) {\n if (m.hwnd == hMain && m.message == WM_COMMAND && m.wParam == (WPARAM)MAKEWORD(IDCANCEL, BN_CLICKED)) {\n quit = true;\n break;\n }\n TranslateMessage(&m);\n DispatchMessage(&m);\n }\n if(quit)\n break;\n }\n }\n CloseHandle(hTimer);\n return 0;\n}\n\n <\/pre>\n