www.pudn.com > 20077419401162.rar > mySnake.cpp
// mySnake.cpp : Defines the entry point for the application.
//
#include "stdafx.h"
#include "resource.h"
#include "snake.h"
#include "LoadBmpFile.h"
#define MAX_LOADSTRING 100
#define POINT_NUM 20
// Global Variables:
HINSTANCE hInst; // current instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR szWindowClass[MAX_LOADSTRING]; // The title bar text
////////////////////////////global
snake Global_Snake;
load_bmp_file Global_Bmp;
// Foward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);
inline void RButtonUp(int &DrawFlag,static point_list *List_Head,int &No_Of_Point);
////////////////////
int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
// TODO: Place code here.
MSG msg;
HACCEL hAccelTable;
// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_MYSNAKE, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_MYSNAKE);
// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return msg.wParam;
}
//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
// COMMENTS:
//
// This function and its usage is only necessary if you want this code
// to be compatible with Win32 systems prior to the 'RegisterClassEx'
// function that was added to Windows 95. It is important to call this function
// so that the application will get 'well formed' small icons associated
// with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_MYSNAKE);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(BLACK_BRUSH);
wcex.lpszMenuName = (LPCSTR)IDC_MYSNAKE;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);
return RegisterClassEx(&wcex);
}
//
// FUNCTION: InitInstance(HANDLE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance; // Store instance handle in our global variable
hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
//
// FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
int i,j;
PAINTSTRUCT ps;
HDC hdc,hMemDC;
TCHAR szHello[MAX_LOADSTRING];
LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);
static DrawFlag = FALSE;
static point_list *List_Head = NULL;
static point_list *Cur_Point;
static int No_Of_Point =0;
static int Window_Width,Window_Height;
static point Eye_Center;
point_list *Tmp_Point;
HPEN hPen;
switch (message)
{
case WM_TIMER:
Global_Snake.SnakeAlgorithm();
if(Global_Snake.No_Of_Mov100)
{
Global_Snake.Center.x =Eye_Center.x-(Global_Snake.Window_Width/2-Global_Snake.Img_Width/2);
Global_Snake.Center.y =Eye_Center.y-(Global_Snake.Window_Height/2-Global_Snake.Img_Height/2);
if(Global_Snake.Snake_Point != NULL)
{
delete []Global_Snake.Snake_Point;
Global_Snake.Point_Num = 0;
}
Global_Snake.SetPoints(POINT_NUM);
Global_Snake.StartTimer(hWnd);
}
else
*/
Global_Snake.Termination_Flag = TRUE;
}
InvalidateRect(hWnd,NULL,0);
break;
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_STEP:
if(DrawFlag&&List_Head)
{
RButtonUp(DrawFlag,List_Head,No_Of_Point);
DrawFlag = 0;
List_Head = NULL;
}
Global_Snake.SnakeAlgorithm();
InvalidateRect(hWnd,NULL,0);
break;
case IDM_AUTO:
if(List_Head)
{
RButtonUp(DrawFlag,List_Head,No_Of_Point);
List_Head =NULL;
}
Global_Snake.StartTimer(hWnd);
break;
case IDM_OPEN:
Global_Snake.Termination_Flag = FALSE;
Global_Bmp.ofn.hwndOwner=hWnd;
Global_Bmp.ofn.lpstrFile=Global_Snake.FileName;
if(!GetOpenFileName(&Global_Bmp.ofn))
return 0;
if(!Global_Bmp.LoadBmpFile(hWnd,Global_Snake.FileName))
MessageBox(hWnd,TEXT("LoadFile Failed!"),TEXT("Warning!"),MB_OK);
Global_Snake.PointToImg(Global_Bmp);
Global_Snake.Center = Global_Bmp.FindCenter();
InvalidateRect(hWnd,NULL,1);
break;
case IDM_START:
Global_Bmp.TemplateOperation(hWnd);
Global_Snake.SnakeAlgorithm();
Global_Snake.PointToImg(Global_Bmp);
InvalidateRect(hWnd,NULL,1);
break;
case IDM_ABOUT:
DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
break;
case ID_MENUITEM32776://set points
SendMessage(hWnd,WM_RBUTTONDOWN,wParam,lParam);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc =BeginPaint (hWnd, &ps) ;
if(Global_Bmp.hBitmap)
{
hMemDC=CreateCompatibleDC(hdc);
if(Global_Bmp.hPalette) //有调色板
{
//将调色板选入屏幕设备上下文
SelectPalette (hdc,Global_Bmp.hPalette, FALSE);
//将调色板选入内存设备上下文
SelectPalette (hMemDC,Global_Bmp.hPalette, FALSE);
RealizePalette (hdc);
}
//将位图选入内存设备上下文
SelectObject(hMemDC,Global_Bmp.hBitmap);
//显示位图
BitBlt(hdc,Window_Width/2-Global_Bmp.bi.biWidth/2,Window_Height/2-Global_Bmp.bi.biHeight/2,Global_Bmp.bi.biWidth,Global_Bmp.bi.biHeight,hMemDC,0,0,SRCCOPY);
DeleteDC(hMemDC);
}
// TODO: Add any drawing code here...
if(Global_Snake.Point_Num>0)
{
Global_Snake.DrawPoints(hdc);
}
/////////////
if(Global_Snake.Termination_Flag)
{
hPen = CreatePen(PS_SOLID,3, RGB(0,255,0));
SelectObject(hdc,hPen);
Ellipse(hdc,Eye_Center.x-3,Eye_Center.y-3,Eye_Center.x+3,Eye_Center.y+3);
DeleteObject(hPen);
}
//SetPixel(hdc,Eye_Center.x,Eye_Center.y,RGB(255,0,0));
EndPaint(hWnd, &ps);
break;
case WM_SIZE:
Global_Snake.Window_Width=Window_Width = LOWORD(lParam);
Global_Snake.Window_Height=Window_Height= HIWORD(lParam);
break;
case WM_LBUTTONDOWN:
if(LOWORD(lParam)>(Window_Width/2-Global_Bmp.bi.biWidth/2)
&&LOWORD(lParam)<(Window_Width/2+Global_Bmp.bi.biWidth/2)
&&HIWORD(lParam)>(Window_Height/2-Global_Bmp.bi.biHeight/2)
&&HIWORD(lParam)<(Window_Height/2+Global_Bmp.bi.biHeight/2)
)
{
point_list *Tmp_Point;
Tmp_Point = new point_list;
Tmp_Point->x = LOWORD(lParam)-(Window_Width/2-Global_Bmp.bi.biWidth/2);
Tmp_Point->y = HIWORD(lParam)-(Window_Height/2-Global_Bmp.bi.biHeight/2);
if(List_Head == NULL)
{
List_Head = Tmp_Point;
Cur_Point = List_Head;
}
else
{
Cur_Point->next = Tmp_Point;
Cur_Point = Cur_Point->next;
}
Cur_Point->next = NULL;
No_Of_Point ++;
InvalidateRect(hWnd,NULL,1);
/*
////////////////////////
if(List_Head)
{
Tmp_Point = List_Head;
while(Tmp_Point)
{
List_Head = Tmp_Point;
Tmp_Point = Tmp_Point->next;
delete []List_Head;
}
}
List_Head = NULL;
///////////////////
Tmp_Point = new point_list;
Tmp_Point->x = LOWORD(lParam)-(Window_Width/2-Global_Bmp.bi.biWidth/2);
Tmp_Point->y = HIWORD(lParam)-(Window_Height/2-Global_Bmp.bi.biHeight/2);
List_Head = Tmp_Point;
Cur_Point = List_Head;
Cur_Point->next = NULL;
No_Of_Point ++;
////////////////
*/
DrawFlag = TRUE;
}
break;
/*
case WM_MOUSEMOVE:
if(DrawFlag&&
LOWORD(lParam)>(Window_Width/2-Global_Bmp.bi.biWidth/2)
&&LOWORD(lParam)<(Window_Width/2+Global_Bmp.bi.biWidth/2)
&&HIWORD(lParam)>(Window_Height/2-Global_Bmp.bi.biHeight/2)
&&HIWORD(lParam)<(Window_Height/2+Global_Bmp.bi.biHeight/2)
)
{
point_list *Tmp_Point;
Tmp_Point = new point_list;
Tmp_Point->x = LOWORD(lParam)-(Window_Width/2-Global_Bmp.bi.biWidth/2);
Tmp_Point->y = HIWORD(lParam)-(Window_Height/2-Global_Bmp.bi.biHeight/2);
if(List_Head == NULL)
{
List_Head = Tmp_Point;
Cur_Point = List_Head;
}
else
{
Cur_Point->next = Tmp_Point;
Cur_Point = Cur_Point->next;
}
Cur_Point->next = NULL;
No_Of_Point ++;
}
break;
*/
case WM_LBUTTONUP:
/*
DrawFlag = FALSE;
int Index;
Index = 0;
if(List_Head != NULL)
{
//store the list to the snake_array
if(Global_Snake.Snake_Point != NULL)
{
delete []Global_Snake.Snake_Point;
Global_Snake.Point_Num = 0;
}
Global_Snake.Point_Num = No_Of_Point;
Global_Snake.Snake_Point = new point[No_Of_Point];
Tmp_Point = List_Head;
while(Tmp_Point!=NULL)
{
List_Head = Tmp_Point;
Tmp_Point = Tmp_Point->next;
Global_Snake.Snake_Point[Index].x = List_Head->x;
Global_Snake.Snake_Point[Index].y = List_Head->y;
Index ++;
delete []List_Head;
}
List_Head = NULL;
No_Of_Point = 0;
}
*/
InvalidateRect(hWnd,NULL,1);
break;
case WM_RBUTTONDOWN:
if(Global_Snake.Snake_Point != NULL)
{
delete []Global_Snake.Snake_Point;
Global_Snake.Point_Num = 0;
}
Global_Snake.SetPoints(POINT_NUM);
/////////////delete List
if(List_Head)
{
Tmp_Point = List_Head;
while(Tmp_Point)
{
List_Head = Tmp_Point;
Tmp_Point = Tmp_Point->next;
delete []List_Head;
}
}
List_Head = NULL;
No_Of_Point = 0;
Global_Snake.Termination_Flag=0;
InvalidateRect(hWnd,NULL,1);
break;
case WM_CREATE:
Global_Bmp.PopFileInitialize (hWnd);
break;
case WM_DESTROY:
//delete list of points
if(List_Head != NULL)
{
point_list *Tmp_Point;
Tmp_Point = List_Head;
while(Tmp_Point)
{
List_Head = Tmp_Point;
Tmp_Point = Tmp_Point->next;
delete []List_Head;
}
List_Head = NULL;
}
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// Mesage handler for about box.
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
}
break;
}
return FALSE;
}
void RButtonUp(int &DrawFlag,static point_list * List_Head,int &No_Of_Point)
{
DrawFlag = FALSE;
int Index;
Index = 0;
point_list * Tmp_Point;
if(List_Head != NULL)
{
//store the list to the snake_array
if(Global_Snake.Snake_Point != NULL)
{
delete []Global_Snake.Snake_Point;
Global_Snake.Point_Num = 0;
}
Global_Snake.Point_Num = No_Of_Point;
Global_Snake.Snake_Point = new point[No_Of_Point];
Tmp_Point = List_Head;
while(Tmp_Point!=NULL)
{
List_Head = Tmp_Point;
Tmp_Point = Tmp_Point->next;
Global_Snake.Snake_Point[Index].x = List_Head->x;
Global_Snake.Snake_Point[Index].y = List_Head->y;
Index ++;
delete []List_Head;
}
List_Head = NULL;
No_Of_Point = 0;
}
}