游戏连载-2

最新推荐文章于 2024-07-20 15:52:28 发布

最新推荐文章于 2024-07-20 15:52:28 发布 · 84 阅读

本文介绍了一个基于Windows的消息处理函数WinProc实现的游戏窗口交互逻辑。详细展示了如何通过消息循环响应鼠标移动和点击事件来控制游戏状态，包括游戏启动与结束。

////////////////////////////////////////////////////////////////MyWindow.cpp////////////////////////////////////////////////////////////////
#include "Game.h"

LRESULT WINAPI WinProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
switch( msg )
{
case WM_DESTROY:
gameover = true;
PostQuitMessage(0);
return 0;
case WM_MOUSEMOVE:
{
pos_X=LOWORD(lParam);
pos_Y=HIWORD(lParam);
if(!bStartGame)
{
//如果鼠标在开始按钮上
if(pos_X>xBtnStart&&pos_X<xBtnStart+300&&pos_Y>=yBtnStart-20&&pos_Y<yBtnStart+40)
{
mouseOnStartBtn=true;
}else
{
mouseOnStartBtn=false;
}
//如果鼠标在结束按钮上
if(pos_X>xBtnEnd&&pos_X<xBtnEnd+300&&pos_Y>yBtnEnd-20&&pos_Y<yBtnEnd+40)
{
mouseOnEndBtn=true;
}else
{
mouseOnEndBtn=false;
}
}

}
break;
case WM_LBUTTONDOWN:
{
//如果鼠标在开始按钮上
if(mouseOnStartBtn)
{
bStartGame=true;
}
//如果鼠标在结束按钮上
if(mouseOnEndBtn)
{
gameover=true;
}
}
break;

}
return DefWindowProc( hWnd, msg, wParam, lParam );
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
//initialize window settings
WNDCLASSEX wc;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)WinProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = APPTITLE;
wc.hIconSm = NULL;
RegisterClassEx(&wc);

//create a new window
HWND window = CreateWindow( APPTITLE, APPTITLE,
WS_OVERLAPPEDWINDOW, Origin_X, Origin_Y,
SCREENW, SCREENH, NULL, NULL, hInstance, NULL);
if (window == 0) return 0;

//display the window
ShowWindow(window, nCmdShow);
UpdateWindow(window);

//initialize the game
if (!Game_Init(window)) return 0;

// main message loop
MSG message;
while (!gameover)
{
if (PeekMessage(&message, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&message);
DispatchMessage(&message);
}

//process game loop
Game_Run(window);
}

//shutdown
Game_End();
return message.wParam;
}