lesson32.cpp

一个96K的3D游戏源码

/**************************************
*                                     *
*   Jeff Molofee's Picking Tutorial   *
*          nehe.gamedev.net           *
*                2001                 *
*                                     *
**************************************/

#include <windows.h>											// Header File For Windows
#include <stdio.h>												// Header File For Standard Input / Output
#include <stdarg.h>												// Header File For Variable Argument Routines
#include <gl\gl.h>												// Header File For The OpenGL32 Library
#include <gl\glu.h>												// Header File For The GLu32 Library
#include <gl\glaux.h>												// Header File For The GLu32 Library
#include <time.h>												// For Random Seed
#include "NeHeGL.h"												// Header File For NeHeGL
#include "particlesys.h"
#include "maindefs.h"
#include "systemio.h"

#pragma comment( lib, "opengl32.lib" )							// Search For OpenGL32.lib While Linking
#pragma comment( lib, "glu32.lib" )								// Search For GLu32.lib While Linking
#pragma comment( lib, "winmm.lib" )								// Search For WinMM Library While Linking

//#define		Music_On

#ifndef		CDS_FULLSCREEN										// CDS_FULLSCREEN Is Not Defined By Some
#define		CDS_FULLSCREEN 4									// Compilers. By Defining It This Way,
#endif															// We Can Avoid Errors

GL_Window*	g_window;
Keys*		g_keys;

// User Defined Variables
float		xRotation;		
float		yRotation;		
float		zRotation;		
int			rot1, rot2;											// Counter Variables
long		MyTimer;

/*
GLfloat LightAmbient[]=		{ 0.5f, 0.5f, 0.5f, 1.0f };
GLfloat LightDiffuse[]=		{ 1.0f, 1.0f, 1.0f, 1.0f };
GLfloat LightPosition[]=	{ 0.0f, 0.0f, 2.0f, 1.0f };
*/
GLfloat LightAmbient[]	= { 0.2f, 0.2f, 0.2f};						// Ambient Light is 20% white
GLfloat LightDiffuse[]	= { 1.0f, 1.0f, 1.0f};						// Diffuse Light is white
GLfloat LightPosition[] = { 0.0f, 0.0f, 2.0f};						// Position is somewhat in front of screen


BOOL Initialize (GL_Window* window, Keys* keys)					// Any GL Init Code & User Initialiazation Goes Here
{

	
	g_window	= window;
	g_keys		= keys;

	mouse_klick=0;
	MyTimer=0;
	// Start Of User Initialization
	xRotation	= 0.0f;	
	yRotation	= 0.0f;	
	zRotation	= 0.0f;	

//	glEnable(GL_TEXTURE_2D);							// Enable Texture Mapping
/*	glShadeModel(GL_SMOOTH);							// Enable Smooth Shading
	glClearColor(0.0f, 0.0f, 0.0f, 0.5f);				// Black Background
	glClearDepth(1.0f);									// Depth Buffer Setup
	glEnable(GL_DEPTH_TEST);							// Enables Depth Testing
	glDepthFunc(GL_LEQUAL);								// The Type Of Depth Testing To Do
	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);	// Really Nice Perspective Calculations

	glEnable(GL_BLEND);			
	glDisable(GL_DEPTH_TEST);	

	glLightfv(GL_LIGHT1, GL_AMBIENT, LightAmbient);		// Setup The Ambient Light
	glLightfv(GL_LIGHT1, GL_DIFFUSE, LightDiffuse);		// Setup The Diffuse Light
	glLightfv(GL_LIGHT1, GL_POSITION,LightPosition);	// Position The Light
	glEnable(GL_LIGHT1);								// Enable Light One

	glColor4f(1.0f, 1.0f, 1.0f, 0.5);					// Full Brightness.  50% Alpha
	glBlendFunc(GL_SRC_ALPHA,GL_ONE);					// Set The Blending Function For Translucency
//	glEnable(GL_LIGHTING);								// Enable Lighting

/*
	glEnable(GL_TEXTURE_2D);							// Enable Texture Mapping
	glShadeModel(GL_SMOOTH);							// Enable Smooth Shading
	glClearColor(0.0f, 0.0f, 0.0f, 0.5f);				// Black Background
	glClearDepth(1.0f);									// Depth Buffer Setup
	glEnable(GL_DEPTH_TEST);							// Enables Depth Testing
	glDepthFunc(GL_LEQUAL);								// The Type Of Depth Testing To Do
	glEnable(GL_LIGHT0);								// Quick And Dirty Lighting (Assumes Light0 Is Set Up)
	glEnable(GL_LIGHTING);								// Enable Lighting
	glEnable(GL_COLOR_MATERIAL);						// Enable Material Coloring
	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);	// Really Nice Perspective Calculations
*/
/*
	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);						// Black Background
	glClearDepth(1.0f);											// Depth Buffer Setup
	glDepthFunc(GL_LEQUAL);										// Type Of Depth Testing
	glEnable(GL_DEPTH_TEST);									// Enable Depth Testing
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);			// Enable Alpha Blending (disable alpha testing)
	glEnable(GL_BLEND);											// Enable Blending       (disable alpha testing)
	glEnable(GL_TEXTURE_2D);									// Enable Texture Mapping
	glEnable(GL_CULL_FACE);										// Remove Back Face
*/
/*
	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);						// Black Background
	glClearDepth(1.0f);											// Depth Buffer Setup
	glDepthFunc(GL_LEQUAL);										// Type Of Depth Testing
	glEnable(GL_DEPTH_TEST);									// Enable Depth Testing
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);			// Enable Alpha Blending (disable alpha testing)
	glEnable(GL_BLEND);											// Enable Blending       (disable alpha testing)
	glEnable(GL_TEXTURE_2D);									// Enable Texture Mapping
	glEnable(GL_CULL_FACE);										// Remove Back Face
//*/
/*	glShadeModel(GL_SMOOTH);							// Enable Smooth Shading
	glClearColor(0.0f, 0.0f, 0.0f, 0.5f);				// Black Background
	glClearDepth(1.0f);									// Depth Buffer Setup
	glDepthFunc(GL_LEQUAL);								// The Type Of Depth Testing To Do
	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);	// Really Nice Perspective Calculations
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);			// Enable Alpha Blending (disable alpha testing)
	glEnable(GL_BLEND);			
	glDisable(GL_DEPTH_TEST);	
	glEnable(GL_TEXTURE_2D);									// Enable Texture Mapping
	glEnable(GL_CULL_FACE);										// Remove Back Face

*/


	glShadeModel(GL_SMOOTH);							// Enable Smooth Shading
	glClearColor(0.0f, 0.0f, 0.0f, 0.5f);				// Black Background
	glClearDepth(1.0f);									// Depth Buffer Setup
	glDepthFunc(GL_LEQUAL);								// The Type Of Depth Testing To Do
	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);	// Really Nice Perspective Calculations
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);			// Enable Alpha Blending (disable alpha testing)
	glEnable(GL_BLEND);			
	glEnable(GL_TEXTURE_2D);									// Enable Texture Mapping
	glEnable(GL_CULL_FACE);										// Remove Back Face




	InitEngine();

#ifdef Music_On
	InitMusic();
	LoadMP3("music.mp3");
	PlayMP3();
#endif




	return TRUE;												// Return TRUE (Initialization Successful)
}

void Deinitialize (void)										// Any User DeInitialization Goes Here
{
#ifdef Music_On
	UnloadMusic();
	DoneMusic();
#endif
	DeInitEngine();
}

void LoadPureModelWindows(HWND LB_Parent_Hwnd) // L鋎t ne .dat
{
	OPENFILENAME	ofn;					/* common dialog box structure   */
	char			szDirName[MAX_PATH];    /* directory string              */
	char			szFile[4096];			/* filename string               */
	char			szFileTitle[4096];      /* filename string               */

	/*
    hinst = (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE);
    */

	/*
        Obtain the system directory name and store it in szDirName. 
    */
	GetSystemDirectory(szDirName, sizeof(szDirName)); 

	/*
        Place the terminating null character in the szFile.
    */
	szFile[0] = '\0'; 

	/*
        Set the members of the OPENFILENAME structure.
    */
	memset(&ofn, 0, sizeof(ofn));
	ofn.lStructSize = sizeof(OPENFILENAME); 
	ofn.hwndOwner = LB_Parent_Hwnd; 
	ofn.lpstrTitle = "Load Model File\0";
	ofn.lpstrFilter = "B-Clopd3D Model Files (*.B3D)\0*.B3D\0All files (*.*)\0*.*\0\0";
	ofn.lpstrCustomFilter = NULL;
	ofn.nFilterIndex = 1; 
	ofn.lpstrFile = szFile; 
	ofn.nMaxFile = 2048; 
	ofn.lpstrFileTitle = szFileTitle;
	ofn.nMaxFileTitle = 2048;
	ofn.lpstrInitialDir = ".\0";
	ofn.Flags = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST; 

	/*
        Display the Open dialog box.
    */
	if (GetOpenFileName(&ofn)) 
	{
		char *path = ofn.lpstrFile;
		char *fname = ofn.lpstrFile;
		char *outp;

//		LoadPureModel(fname);
		LoadModelToObj(fname);
	};


}

void SaveAnimationWindows(HWND LB_Parent_Hwnd) // Saved n Model
{
	OPENFILENAME	ofn;					/* common dialog box structure   */
	char			szDirName[MAX_PATH];    /* directory string              */
	char			szFile[4096];			/* filename string               */
	char			szFileTitle[4096];      /* filename string               */

	/*
    hinst = (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE);
    */

	/*
        Obtain the system directory name and store it in szDirName. 
    */
	GetSystemDirectory(szDirName, sizeof(szDirName)); 

	/*
        Place the terminating null character in the szFile.
    */
	szFile[0] = '\0'; 

	/*
        Set the members of the OPENFILENAME structure.
    */
	memset(&ofn, 0, sizeof(ofn));
	ofn.lStructSize = sizeof(OPENFILENAME); 
	ofn.hwndOwner = LB_Parent_Hwnd; 
	ofn.lpstrTitle = "Save Animation File\0";
	ofn.lpstrFilter = "B-Clopd3D Animation Files (*.ANI)\0*.ANI\0All files (*.*)\0*.*\0\0";
	ofn.lpstrCustomFilter = NULL;
	ofn.nFilterIndex = 1; 
	ofn.lpstrFile = szFile; 
	ofn.nMaxFile = 2048; 
	ofn.lpstrFileTitle = szFileTitle;
	ofn.nMaxFileTitle = 2048;
	ofn.lpstrInitialDir = ".\0";
	ofn.Flags = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST /*| OFN_ALLOWMULTISELECT*/; 

	/*
        Display the Open dialog box.
    */
	if (GetSaveFileName(&ofn)) 
	{
		char *path = ofn.lpstrFile;
		char *fname = ofn.lpstrFile;
		char *outp;

		SaveDaAnimation(fname);
	};


}


void LoadAnimationWindows(HWND LB_Parent_Hwnd) // L鋎t ne .dat
{
	OPENFILENAME	ofn;					/* common dialog box structure   */
	char			szDirName[MAX_PATH];    /* directory string              */
	char			szFile[4096];			/* filename string               */
	char			szFileTitle[4096];      /* filename string               */

	/*
    hinst = (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE);
    */

	/*
        Obtain the system directory name and store it in szDirName. 
    */
	GetSystemDirectory(szDirName, sizeof(szDirName)); 

	/*
        Place the terminating null character in the szFile.
    */
	szFile[0] = '\0'; 

	/*
        Set the members of the OPENFILENAME structure.
    */