mygame.cpp

游戏开发基础示例源码。The basic game developping source code for beginner.

// MyGame.cpp : 定义应用程序的入口点。
//

#include "stdafx.h"
#include "MyGame.h"
#define MAX_LOADSTRING 100

bool g_bActive = true;

LP_BITMAPX		g_pBitmapBMP	= NULL;
LP_BITMAPX		g_pBitmapTGA	= NULL;
LP_BITMAPX		g_pBitmapJPG	= NULL;

// GDI字体句柄
HFONT			g_hFont			= NULL;

// HoHo自处理字体句柄
LP_FONT			g_pHoHoFont		= NULL;

// 全局变量:
HINSTANCE hInst;								// 当前实例
TCHAR szTitle[MAX_LOADSTRING];					// 标题栏文本
TCHAR szWindowClass[MAX_LOADSTRING];			// 主窗口类名

// 此代码模块中包含的函数的前向声明:
ATOM				MyRegisterClass(HINSTANCE hInstance);
BOOL				InitInstance(HINSTANCE, int);
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK	About(HWND, UINT, WPARAM, LPARAM);

int APIENTRY _tWinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPTSTR    lpCmdLine,
                     int       nCmdShow)
{
 	// TODO: 在此放置代码。
	MSG msg;
	HACCEL hAccelTable;

	// 初始化全局字符串
	LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
	LoadString(hInstance, IDC_MYGAME, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);

	// 执行应用程序初始化:
	if (!InitInstance (hInstance, nCmdShow)) 
	{
		return FALSE;
	}

	hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_MYGAME);

	// 主消息循环:
	while ( 1 ) 
	{
		if( PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE ) )
		{
			if( GetMessage( &msg, NULL, 0, 0 ) )
			{
				TranslateMessage( &msg );
				DispatchMessage( &msg );
			}
			else
				break;
		}

		if( g_bActive )		// 激活状态
		{
//			GetGraphics()->ClearScreenMMX(0);	// 用黑色清屏

			// 绘制背景图
			GetGraphics()->DrawBitmapMMX( 0, 0, g_pBitmapJPG, SCREENBUFFER );


			// 普通绘制 人物
			GetGraphics()->DrawBitmapMMX( 100, 100, g_pBitmapBMP, SCREENBUFFER );

			// 颜色键(ColorKey)绘制 人物
			GetGraphics()->DrawBitmapMMX( 250, 100, g_pBitmapBMP, SCREENBUFFER, true );

			// Alpha混合 人物
			GetGraphics()->DrawBitmapAlphaMMX( 400, 100, g_pBitmapBMP, SCREENBUFFER, 16 );

			// Additive混合 人物
			GetGraphics()->DrawBitmapAdditiveMMX( 550, 100, g_pBitmapBMP, SCREENBUFFER );

			// AlphaChannel混合 树
			GetGraphics()->DrawBitmapAlphaChannelMMX( 300, 300, g_pBitmapTGA, SCREENBUFFER );

			// Rect裁减绘图
			RECT rect = { 0, 0, 32, 48 };
			GetGraphics()->DrawBitmapMMX( 700, 100, g_pBitmapBMP, SCREENBUFFER, &rect );
			GetGraphics()->DrawBitmapMMX( 750, 100, g_pBitmapBMP, SCREENBUFFER, &rect, true );
			GetGraphics()->DrawBitmapAlphaMMX( 700, 160, g_pBitmapBMP, SCREENBUFFER, &rect, 16 );
			GetGraphics()->DrawBitmapAdditiveMMX( 750, 160, g_pBitmapBMP, SCREENBUFFER, &rect );


			GetGraphics()->DrawText( SCREENBUFFER, 30, 30, g_hFont, "GDI字体 Test 测试", RGB2Hi(255,255,255) );

			GetGraphics()->DrawFont( SCREENBUFFER, 30, 60, g_pHoHoFont, RGB2Hi(255,255,255), "HOHO字体 Test 测试" );

			GetGraphics()->UpdateScreen( );		// 更新屏幕缓冲
			GetGraphics()->Present( );			// DDraw更新屏幕
		}
		else				// 非激活状态
			Sleep( 1 );
	}

	SAFE_DELETE( g_pDisplay );
	msReleaseFont( g_pHoHoFont );

	return (int) msg.wParam;
}



//
//  函数: MyRegisterClass()
//
//  目的: 注册窗口类。
//
//  注释: 
//
//    仅当希望在已添加到 Windows 95 的
//    “RegisterClassEx”函数之前此代码与 Win32 系统兼容时，
//    才需要此函数及其用法。调用此函数
//    十分重要，这样应用程序就可以获得关联的
//   “格式正确的”小图标。
//
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_MYGAME);
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= NULL;//(LPCTSTR)IDC_MYGAME;
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);

	return RegisterClassEx(&wcex);
}

//
//   函数: InitInstance(HANDLE, int)
//
//   目的: 保存实例句柄并创建主窗口
//
//   注释: 
//
//        在此函数中，我们在全局变量中保存实例句柄并
//        创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
	HWND hWnd;

	hInst = hInstance; // 将实例句柄存储在全局变量中

	hWnd = CreateWindow(szWindowClass, szTitle, WS_POPUP,//WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

	if (!hWnd)
	{
		return FALSE;
	}

	ShowWindow(hWnd, nCmdShow);
	UpdateWindow(hWnd);

	g_pDisplay = CreatePlane2D( hWnd, 800, 600, true );

	g_pBitmapJPG = GetGraphics()->CreateBitmapFromJPG( "background.jpg" );
	g_pBitmapTGA = GetGraphics()->CreateBitmapFromTGA( "tree.tga" );
	g_pBitmapBMP = GetGraphics()->CreateBitmapFromBMP( "character.bmp" );

	g_pBitmapBMP->SetColorKey( RGB2Hi(255,0,255) );

	// 初始化GDI字体
	g_hFont = CreateFont(12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH, "宋体");

	// 初始化HOHO字体
	g_pHoHoFont = msCreateFont( "Font12.dat" );

	return TRUE;
}

//
//  函数: WndProc(HWND, unsigned, WORD, LONG)
//
//  目的: 处理主窗口的消息。
//
//  WM_COMMAND	- 处理应用程序菜单
//  WM_PAINT	- 绘制主窗口
//  WM_DESTROY	- 发送退出消息并返回
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	int wmId, wmEvent;
	PAINTSTRUCT ps;
	HDC hdc;

	switch (message) 
	{
	case WM_MOVE:		// 窗口移动时的位置更新
		{
			if( GetGraphics() != NULL)
				GetGraphics()->UpdateBounds();
		}
		break;
	case WM_ACTIVATE:	// 窗口的活動狀態
		{
			switch((LOWORD(wParam)))
			{
			case WA_ACTIVE:
			case WA_CLICKACTIVE:
				g_bActive = true;
				break;
			case WA_INACTIVE:
				g_bActive = false;
				break;
			default:
				break;
			}

			if( GetGraphics() != NULL )
				GetGraphics()->Restore();
		}
		break;
	case WM_COMMAND:
		wmId    = LOWORD(wParam); 
		wmEvent = HIWORD(wParam); 
		// 分析菜单选择:
		switch (wmId)
		{
		case IDM_ABOUT:
			DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
			break;
		case IDM_EXIT:
			DestroyWindow(hWnd);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
		}
		break;
	case WM_PAINT:
		hdc = BeginPaint(hWnd, &ps);
		// TODO: 在此添加任意绘图代码...
		EndPaint(hWnd, &ps);
		break;
	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}

// “关于”框的消息处理程序。
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;
}