Snake Game---贪吃蛇WINAPI版

    经过几天的构思, 终于有一点思路了. 现把雏形贴上, 供大家指点一二.

只实现了移动, 其它的未完成.

   用VC++6.0 Win32 Application工程编译通过.

 

/*include files and constant variables here.*/#ifndef _RESOURCE_H_#define _RESOURCE_H_#include <time.h>#include <windows.h>#include <stdio.h>boolblock(HDC surface, int x, int y);#endif //_RESOURCE_H_

 

/*Link list class declarations.*/#ifndef _LIST_H_#define _LIST_H_#include "resource.h"typedef struct {intxPos;intyPos;}ElemType;typedef struct SNode{ElemTypedata;struct SNode*pNext;}Node;class CList{public:CList();boolInsert(int iPos, ElemType elem);boolAssign(int iPos, ElemType elem);boolGetElem(int iPos, ElemType& elem) const;boolGetHead(ElemType& elem) const;boolSetHead(ElemType elem);boolisEmpty() const;// if list is empty return trueboolTraverse(HDC hDC) const;// traverse the queueintitsLength() const;// get queue's length~CList();private:Node*head;};#endif // _QUEUE_H_

 

/*snake class declaration.*/#ifndef _SNAKE_H_#define _SNAKE_H_#include "resource.h"#include "list.h"classCSnake{public:CSnake();voidrun();boolnorth();boolsouth();boolwest();booleast();boolmove();booldraw(HDC surface);~CSnake();private:boolbFlag;intiSpeed;intiScore;intiDirection;// 1: north; 2: south; 3: west; 4: eastCListsegment;};#endif // _SNAKE_H_

 

/*some useful functions.*/#include "resource.h"///*Parameter:HDC, int, intReturn:true or falseDescription:draw a rectangle in the position : (x,y)*/boolblock(HDC surface, int x, int y) {intiSize=20;// set block sizeRECTrect;rect.left=x * iSize;rect.top=y * iSize;rect.right=rect.left + iSize;rect.bottom=rect.top + iSize;Rectangle(surface, rect.left, rect.top, rect.right, rect.bottom);return true;} // block

 

/*CList class definition.*/#include "list.h"/*Parameter:noneReturn:noneDescription:class default constructor.*/CList::CList() {head=new Node;head->pNext=NULL;} // default constructor/*Parameter:int, ElemTypeReturn:true or falseDescription:insert an element in the iPos.*/boolCList::Insert(int iPos, ElemType elem) {inti=0;Node*p=head;Node*q=new Node;// search for the destinationwhile (p && i < iPos - 1) {p=p->pNext;i++;}if (!p || i > iPos - 1) {MessageBox(NULL, "less than or more the list length...", "List insert", MB_OK);return false;}// do insert actionq->data=elem;q->pNext=p->pNext;p->pNext=q;return true;} // Insert/*Parameter:int, ElemTypeReturn:true or falseDescription:get an element int the iPos.*/boolCList::GetElem(int iPos, ElemType& elem) const {inti=0;Node*p=head->pNext;if (iPos < 1 || iPos > itsLength()) {MessageBox(NULL, "wrong position in GetElem function!", "snake game", MB_OK);return false;}// search for the destinationwhile (p && i < iPos - 1) {p=p->pNext;i++;}if (!p || i > iPos - 1) {MessageBox(NULL, "less than or more the list length...", "List insert", MB_OK);return false;}elem=p->data;return true;} // Delete/*Parameter:ElemType&Return:true or falseDescription:get list head: last element;*/boolCList::GetHead(ElemType& elem) const {intiLast=itsLength();if (GetElem(iLast, elem)) {return true;}else {return false;}} // GetHead/*Parameter:ElemTypeReturn:true or falseDescription:set head element in the list.*/boolCList::SetHead(ElemType elem) {intiLast=itsLength();if (Assign(iLast, elem)) {return true;}else {return false;}} // SetHead/*Parameter:int, ElemTypeReturn:true or falseDescription:assign an element to the list.*/boolCList::Assign(int iPos, ElemType elem) {inti=0;Node*p=head->pNext;if (iPos < 1 || iPos > itsLength()) {MessageBox(NULL, "wrong position in Assign function ", "snake game", MB_OK);return false;}// move to the positionwhile (p && i < iPos - 1) {p=p->pNext;i++;}if (!p || i > iPos - 1) {MessageBox(NULL, "less than or more than list length", "snake game", MB_OK);return false;}// assign data to elementp->data=elem;return true;} // Assign/*Parameter:noneReturn:true or falseDescription:if list is empty return ture;*/boolCList::isEmpty() const {if (head->pNext) {return false;}else {return true;}} // isEmpty/*Parameter:noneReturn:list's length.Description:get list length.*/intCList::itsLength() const {Node*p=head->pNext;intiLen=0;while (p) {p=p->pNext;iLen++;}returniLen;} // itsLength/*Parameter:noneReturn:true or falseDescription:visit queue every element.*/boolCList::Traverse(HDC hDC) const {Node*p=head->pNext;while(p) {block(hDC, p->data.xPos, p->data.yPos);p=p->pNext;}return true;} // Traverse/*Parameter:noneReturn:noneDescription:destroy queue no matter empty or not.*/CList::~CList() {} // default destructor

 

/*snake class definitions.*/#include "snake.h"/*Parameter:noneReturn:noneDescription:class default constructor.*/CSnake::CSnake() {ElemTypeelem;elem.yPos=8;for (int i = 8; i > 3; --i ) {elem.xPos=i;segment.Insert(1, elem);}// set default directioniDirection=4;} // default constructor/*Parameter:HDCReturn:true or falseDescription:draw the snake.*/boolCSnake::draw(HDC surface) {segment.Traverse(surface);return true;} // draw/*Parameter:noneReturn:true or falseDescription:move snake head to east direction.*/boolCSnake::east() {ElemTypeelem;ElemTypedata;ElemTypenext;segment.GetHead(elem);segment.GetHead(data);// move head segment to eastelem.xPos+=1;segment.SetHead(elem);// move the rest segmentsfor (int i = segment.itsLength() - 1; i > 0; --i) {segment.GetElem(i, next);segment.Assign(i, data);data=next;}return true;} // east/*Parameter:noneReturn:true or falseDescription:move snake head to west direction.*/boolCSnake::west() {ElemTypeelem;ElemTypedata;ElemTypenext;segment.GetHead(elem);segment.GetHead(data);// move head segment to westelem.xPos-=1;segment.SetHead(elem);// move rest segments for (int i = segment.itsLength() - 1; i > 0; --i) {segment.GetElem(i, next);segment.Assign(i, data);data=next;} return true;} // west/*Parameter:noneReturn:true or falseDescription:move snake head to north direction.*/boolCSnake::north() {ElemTypeelem;ElemTypedata;ElemTypenext;segment.GetHead(elem);segment.GetHead(data);// store head inofrmation in data// move head segment to westelem.yPos-=1;segment.SetHead(elem);// move rest segmentsfor (int i = segment.itsLength() - 1; i > 0; --i) {segment.GetElem(i, next);segment.Assign(i, data);data=next;}return true;} // north/*Parameter:noneReturn:true or falseDescription:move snake head to south direction.*/boolCSnake::south() {ElemTypeelem;ElemTypedata;ElemTypenext;segment.GetHead(elem);segment.GetHead(data);// move head segment to westelem.yPos+=1;segment.SetHead(elem);// move rest segment for (int i = segment.itsLength() - 1; i > 0; --i) {segment.GetElem(i, next);segment.Assign(i, data);data=next;}return true;} // north/*Parameter:noneReturn:true or falseDescription:move the block except the head block.*/boolCSnake::move() {ElemTypedata;charbuffer[30];intiLast=segment.itsLength();for (int i = iLast - 1; i > 0; --i ) {segment.GetElem(i+1, data);sprintf(buffer, "x : %d y : %d", data.xPos, data.yPos);MessageBox(NULL, buffer, "snake infor", MB_OK);segment.Assign(i, data);}return true;} // move/*Parameter:noneReturn:noneDescription:class default destructor.*/CSnake::~CSnake() {} // default destructor

 

//-----------------------------------------------------------------------------//Copyright (c) 2009 eryar All rights reserved.////File:main.cpp//Author:[e-mail]//Date:2010-01-07//Version:1.0v////Description:classic game Teris.////=============================================================================#include "resource.h"#include "snake.h"char*g_szAppName="Snake Game";CSnakesnake;inlineintRandInt(int x, int y) {return rand() % (y - x +1) +x; }LRESULTCALLBACKWndProc(HWND, UINT, WPARAM, LPARAM);intWINAPIWinMain(HINSTANCEhInstance,HINSTANCEhPrevInstance,LPSTRlpCmdLine,intnShowCmd){MSGMsg;HWNDhWnd;WNDCLASSEXwc;boolbFlag=false;char*szClassName="CTeris";wc.cbSize=sizeof(WNDCLASSEX);wc.style=CS_HREDRAW|CS_VREDRAW;wc.lpfnWndProc=WndProc;wc.cbClsExtra=0;wc.cbWndExtra=0;wc.hInstance=hInstance;wc.hIcon=LoadIcon(NULL, IDI_APPLICATION);wc.hCursor=LoadCursor(NULL, IDC_ARROW);wc.hbrBackground=NULL;wc.lpszMenuName=NULL;wc.lpszClassName=szClassName;wc.hIconSm=LoadIcon(NULL, IDI_APPLICATION);if (!RegisterClassEx(&wc)) {MessageBox(NULL, "register window class failed! ", g_szAppName, MB_OK|MB_ICONERROR);return false;}hWnd=CreateWindowEx(NULL,szClassName,g_szAppName,WS_CAPTION|WS_OVERLAPPED|WS_SYSMENU|WS_VISIBLE|WS_THICKFRAME,0,0,640, 480,NULL,NULL,hInstance,NULL);if (!hWnd) {MessageBox(NULL, "create window failed! ", g_szAppName, MB_OK|MB_ICONERROR);return false;}ShowWindow(hWnd, nShowCmd);UpdateWindow(hWnd);while (!bFlag) {while(PeekMessage(&Msg, NULL, 0, 0, PM_REMOVE)) {if (Msg.message == WM_QUIT) {bFlag=true;}else {TranslateMessage(&Msg);DispatchMessage(&Msg);}}// This will call WM_PAINT which well render our sceneInvalidateRect(hWnd, NULL, true);UpdateWindow(hWnd);}UnregisterClass(szClassName, wc.hInstance);return Msg.wParam;}LRESULTCALLBACKWndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam) {// these hold the dimensions of the client windows areastaticcxClient, cyClient;// used to create the back bufferHDChDC;staticHDChDCBackBuffer;staticHBITMAPhBitmap;staticHBITMAPhOldBitmap;PAINTSTRUCTps;switch(Msg) {caseWM_CREATE:RECTrect;GetClientRect(hWnd, &rect);cxClient=rect.right;cyClient=rect.bottom;// set random seedsrand((unsigned)time(NULL));// create a surface for us to render to(back buffer)hDCBackBuffer=CreateCompatibleDC(NULL);hDC=GetDC(hWnd);hBitmap=CreateCompatibleBitmap(hDC, cxClient, cyClient);// select the bitmap into the memory device contexthOldBitmap=(HBITMAP)SelectObject(hDCBackBuffer, hBitmap);// don't forget to release the DCReleaseDC(hWnd, hDC);break;caseWM_SIZE:cxClient = LOWORD(lParam);cyClient = HIWORD(lParam);SelectObject(hDCBackBuffer, hOldBitmap);hDC=GetDC(hWnd);hBitmap=CreateCompatibleBitmap(hDC, cxClient, cyClient);hOldBitmap=(HBITMAP)SelectObject(hDCBackBuffer, hBitmap);ReleaseDC(hWnd, hDC);break;caseWM_PAINT:hDC=BeginPaint(hWnd, &ps);// fill our back buffer with whiteBitBlt(hDCBackBuffer, 0, 0, cxClient, cyClient, NULL,NULL, NULL, WHITENESS);// render scene code heresnake.draw(hDCBackBuffer);// now blit the back buffer to frontBitBlt(hDC, 0, 0, cxClient, cyClient, hDCBackBuffer, 0, 0, SRCCOPY);ReleaseDC(hWnd, hDC);EndPaint(hWnd, &ps);break;caseWM_KEYDOWN:switch(wParam) {caseVK_ESCAPE:PostQuitMessage(0);break;caseVK_RETURN:break;caseVK_SPACE:break;caseVK_LEFT:snake.west();//snake.move();break;caseVK_RIGHT:snake.east();//snake.move();break;caseVK_UP:snake.north();break;caseVK_DOWN:snake.south();break;default:break;}SendMessage(hWnd, WM_PAINT, wParam, lParam);break;caseWM_DESTROY:SelectObject(hDCBackBuffer, hOldBitmap);// clean up our back buffer objectsDeleteDC(hDCBackBuffer);DeleteObject(hBitmap);// kill the application, this sends a WM_QUIT messagePostQuitMessage(0);break;default:break;}return DefWindowProc(hWnd, Msg, wParam, lParam);} // WndProc