OPENGL载入3DS

#include “CLoad3DS.h“

#pragma warning （disable: 4996） 


// 下面的函数求两点决定的矢量
NBVector3 Vector（NBVector3 vPoint1 NBVector3 vPoint2）
{
	NBVector3 vVector;              
	
	vVector.x = vPoint1.x - vPoint2.x;      
	vVector.y = vPoint1.y - vPoint2.y;      
	vVector.z = vPoint1.z - vPoint2.z;      
	
	return vVector;                
}

// 下面的函数两个矢量相加
NBVector3 AddVector（NBVector3 vVector1 NBVector3 vVector2）
{
	NBVector3 vResult;              
	
	vResult.x = vVector2.x + vVector1.x;    
	vResult.y = vVector2.y + vVector1.y;    
	vResult.z = vVector2.z + vVector1.z;    
	
	return vResult;                
}

// 下面的函数处理矢量的缩放
NBVector3 DivideVectorByScaler（NBVector3 vVector1 float Scaler）
{
	NBVector3 vResult;              
	
	vResult.x = vVector1.x / Scaler;      
	vResult.y = vVector1.y / Scaler;      
	vResult.z = vVector1.z / Scaler;      
	
	return vResult;                
}

// 下面的函数返回两个矢量的叉积
NBVector3 Cross（NBVector3 vVector1 NBVector3 vVector2）
{
	NBVector3 vCross;                
	
	vCross.x = （（vVector1.y * vVector2.z） - （vVector1.z * vVector2.y））;
	
	vCross.y = （（vVector1.z * vVector2.x） - （vVector1.x * vVector2.z））;
	
	vCross.z = （（vVector1.x * vVector2.y） - （vVector1.y * vVector2.x））;
	
	return vCross;                
}

// 下面的函数规范化矢量
NBVector3 Normalize（NBVector3 vNormal）
{
	double Magnitude;              
	
	Magnitude = Mag（vNormal）;          // 获得矢量的长度
	
	vNormal.x /= （float）Magnitude;        
	vNormal.y /= （float）Magnitude;        
	vNormal.z /= （float）Magnitude;        
	
	return vNormal;                
}

// 读入一个纹理
int CLoad3DS::BuildTexture（char *szPathName GLuint &texid）
{
	HDC      hdcTemp;                        // The DC To Hold Our Bitmap
	HBITMAP    hbmpTemp;                        // Holds The Bitmap Temporarily
	IPicture  *pPicture;                        // IPicture Interface
	OLECHAR    wszPath[MAX_PATH+1];                  // Full Path To Picture （WCHAR）
	char    szPath[MAX_PATH+1];                    // Full Path To Picture
	long    lWidth;                          // Width In Logical Units
	long    lHeight;                        // Height In Logical Units
	long    lWidthPixels;                      // Width In Pixels
	long    lHeightPixels;                      // Height In Pixels
	GLint    glMaxTexDim ;                      // Holds Maximum Texture Size

	if （strstr（szPathName “http://“））                  // If PathName Contains http:// Then...
	{
		strcpy（szPath szPathName）;                    // Append The PathName To szPath
	}
	else                                // Otherwise... We Are Loading From A File
	{
		GetCurrentDirectory（MAX_PATH szPath）;              // Get Our Working Directory
		strcat（szPath PICPATH）;                      // Append ““ After The Working Directory
		strcat（szPath szPathName）;                    // Append The PathName
	}


	MultiByteToWideChar（CP_ACP 0 szPath -1 wszPath MAX_PATH）; 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-02-01 16:59  Lesson06
     目录           0  2015-01-31 21:17  Lesson06Backup
     文件       25078  2014-12-11 22:05  Lesson06CLoad3DS.cpp
     文件        8064  2014-12-11 22:06  Lesson06CLoad3DS.h
     目录           0  2015-02-01 16:47  Lesson06Data
     目录           0  2015-02-01 16:47  Lesson06Data3DS
     文件      398031  2002-04-29 13:04  Lesson06Data3DSAUDIAVUS.3DS
     文件       59320  2011-04-01 16:35  Lesson06Data3DSalloon.3DS
     文件       93307  2011-04-01 16:35  Lesson06Data3DSoy.3DS
     文件       93334  2011-04-01 16:35  Lesson06Data3DSoy_back.3DS
     文件      200553  2011-04-01 16:35  Lesson06Data3DSuilding.3DS
     文件      231125  2011-04-01 16:35  Lesson06Data3DSuilding_nb.3DS
     文件      389973  2002-06-24 14:31  Lesson06Data3DSCOLI_L.3DS
     文件      196223  2011-04-01 16:35  Lesson06Data3DSdinosaur.3DS
     文件      210575  2011-04-01 16:35  Lesson06Data3DSF111_L.3DS
     文件       91812  2011-04-01 16:35  Lesson06Data3DSfarTree.3DS
     文件      152229  2011-04-01 16:35  Lesson06Data3DSGUTEMB_L.3DS
     文件      156778  2011-04-01 16:35  Lesson06Data3DSGUTEMB_L_back.3DS
     文件       10315  2011-04-01 16:35  Lesson06Data3DShouse.3DS
     文件       19860  2011-04-01 16:35  Lesson06Data3DShouse_back.3ds
     文件      228556  2006-03-20 15:32  Lesson06Data3DSM1_Abrams.3DS
     文件       14796  2011-04-01 16:35  Lesson06Data3DSmiddleTree.3DS
     文件       29123  2007-11-13 11:05  Lesson06Data3DSmodel.3DS
     文件       27781  2014-12-26 17:42  Lesson06Data3DSmoxing.3DS
     文件       40431  2011-04-01 16:35  Lesson06Data3DSmuoshou.3DS
     文件       25029  2011-04-01 16:35  Lesson06Data3DS
ock.3DS
     文件      525926  2011-04-01 16:35  Lesson06Data3DSSTUT_C_L.3DS
     文件       34622  2015-01-31 22:15  Lesson06Data3DS eapot.3DS
     文件        5120  2011-04-01 16:35  Lesson06Data3DSThumbs.db
     文件      142679  2011-04-01 16:35  Lesson06Data3DS ownHouse.3DS
     文件      245607  2011-04-01 16:35  Lesson06Data3DS ree_leaf.3DS
............此处省略164个文件信息