www.pudn.com > 林海血原源代码.zip > 3dExplorer.cpp

// 3dExplorer.cpp : Defines the entry point for the application. 
/////////////////////////////////////////////// 
//作者：吴雪平  2002-6-17日修改 
//管理整个程序运行 
 
#include "stdafx.h" 
#include "CGL.h" 
 
#include "heightmapscene.h" 
 
/////////////////////////////////////////////// 
INPUT        Input; 
CGL	         cGL; 
//CAudioPlay   cAudioPlay;      //need for dx8.0 
CHeightmapScene m_cHeightmapScene; 
 
/////////////////////////////////////////////// 
bool InitEngine() 
{ 
/*f(!cAudioPlay.InitAudioPlay()) 
	{ 
		AudioOk=false; 
		MessageBox(0, "cAudioPlay error", "Error", MB_OK | MB_ICONERROR); 
	} 
*/ 
	if(!m_cHeightmapScene.InitHeightmapScene(&Input)) 
	{ 
		MessageBox(0, "cText error // 3dExplorer.cpp ", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	} 
	return true; 
} 
GLvoid DrawGLScene() 
{ 
		 
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);	// Clear The Screen And The Depth Buffer 
	glLoadIdentity(); 
    //////////////////////////////// 
    m_cHeightmapScene.RenderHeightmapScene(); 
	//////////////////////////// 
} 
 
LRESULT CALLBACK WndProc(	HWND	hWnd, 
							UINT	message, 
							WPARAM	wParam, 
							LPARAM	lParam) 
{ 
	// Used later on to get the size of the window 
	// Tells Windows we want to check the message 
	switch (message) 
	{ 
		case WM_CREATE:										// Window creation 
			if (!cGL.InitGL(800,600,1,hWnd))	 
			{												// Init failed 
				cGL.DestroyGL();							// Shutdown GL 
				PostQuitMessage(0);							// Exit programm 
			} 
			ShowCursor(FALSE);								// Hide mouse 
			break; 
 
		case WM_DESTROY:									// Windows being destroyed 
		case WM_CLOSE:										// Windows being closed 
			cGL.DestroyGL();								// Shutown GL 
			ShowCursor(TRUE);								// Show mouse 
			PostQuitMessage(0);								// Quit the program 
			break; 
 
		case WM_KEYDOWN:									// Key Being Held Down 
			Input.keys[wParam] = true; 
			break; 
 
		case WM_KEYUP:										// Key Is Released 
			Input.keys[wParam] = false; 
			break; 
 
		case WM_LBUTTONDOWN:								// Left mouse button is pressed 
			Input.mouseButtons[0]=true; 
			break; 
 
		case WM_LBUTTONUP:								// Left mouse button is pressed 
			Input.mouseButtons[0]=false; 
			break; 
 
		case WM_RBUTTONDOWN: 
			// Right mouse button is pressed 
//			cGL.ChangeFOVAngle(1); 
			Input.mouseButtons[1]=true; 
			break; 
 
		case WM_RBUTTONUP:		 
			cGL.ChangeFOVAngle(0); 
			// Right mouse button is pressed 
			Input.mouseButtons[1]=false; 
			break; 
 
		case WM_MOUSEMOVE: 
			Input.mousePos.x = LOWORD(lParam);			// Position of the cursor  
			Input.mousePos.y = HIWORD(lParam); 
			break; 
		case WM_SIZE:										// Resizing the screen 
			cGL.Resize(LOWORD(lParam),HIWORD(lParam));		 
			break; 
		default: 
			// Pass windows messages 
			return (DefWindowProc(hWnd, message, wParam, lParam)); 
	} 
 
	return (0); 
} 
 
int APIENTRY WinMain(HINSTANCE hInstance, 
                     HINSTANCE hPrevInstance, 
                     LPSTR     lpCmdLine, 
                     int       nCmdShow) 
{ 
 	MSG			msg;		// Windows message structure 
	WNDCLASS	wc;			// Windows class structure used to set up the type of window 
	HWND		hWnd;		// Storage for window handle 
	 
	wc.style			= CS_HREDRAW | CS_VREDRAW | CS_OWNDC; 
	wc.lpfnWndProc		= (WNDPROC) WndProc; 
	wc.cbClsExtra		= 0; 
	wc.cbWndExtra		= 0; 
	wc.hInstance		= hInstance; 
	wc.hIcon			= NULL; 
	wc.hCursor			= LoadCursor(NULL, IDC_ARROW); 
	wc.hbrBackground	= NULL; 
	wc.lpszMenuName		= NULL; 
	wc.lpszClassName	= "3dExplorer"; 
 
	if(!RegisterClass(&wc)) 
	{ 
		MessageBox(0, "Failed to register the window class", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	} 
 
	hWnd = CreateWindow( 
	"3dExplorer", 
	"Exploring in 3D world !",				// Title appearing at the top of the window 
 
	WS_POPUP | 
	WS_CLIPCHILDREN | 
	WS_CLIPSIBLINGS, 
	 
	0,							// The position of the window on the screen 
	0,		 
	800,		// The width and height of the window 
	600,		 
 
	NULL, 
	NULL, 
	hInstance, 
	NULL); 
 
	if (!hWnd) 
	{ 
		MessageBox(0, "Window creation error", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	} 
 
	ShowWindow(hWnd, SW_SHOW); 
	UpdateWindow(hWnd); 
	SetFocus(hWnd); 
     
    if(!InitEngine()) 
	{ 
		MessageBox(0, "InitEngine error", "Error", MB_OK | MB_ICONERROR); 
		return FALSE; 
	} 
 
	while (1) 
	{ 
		// Process All Messages 
		while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) 
		{ 
			if (GetMessage(&msg, NULL, 0, 0)) 
			{ 
				TranslateMessage(&msg); 
				DispatchMessage(&msg); 
			} 
			else 
			{ 
				return TRUE; 
			} 
		} 
         
    	DrawGLScene(); 
		cGL.SwapBuffers(); 
        //按鼠标右键放大 
		if(Input.mouseButtons[1])cGL.ChangeFOVAngle(1); 
        //按ESC键退出 
    	if (Input.keys[VK_ESCAPE]) SendMessage(hWnd, WM_CLOSE, 0, 0); 
 
	} 
	return 0; 
}