//?3ds.cpp:?implementation?of?the?C3ds?class.
//
//////////////////////////////////////////////////////////////////////

#include?“3ds.h“
#include?
#include?“gamehead.h“
#include?“Frustum.h“
//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////
//#define?INT_MAX?2147483647?
//#define?INT_MIN?2147483647-1?
#define??FLT_MAX?3.402823466e+38F?
#define??FLT_MIN?1.175494351e-38F?
C3DS::C3DS（）
{
//	m_Model.numOfMaterials?=?0;
//	m_Model.numOfobjects?=?0;
}

C3DS::~C3DS（）
{
	for（int?i?=?0;iject.size（）;i++）
	{
		if（m_Model.vobject[i].pVerts）
			delete?[]m_Model.vobject[i].pVerts;
		if（m_Model.vobject[i].pTexVerts）
			delete?[]m_Model.vobject[i].pTexVerts;
		if（m_Model.vobject[i].pFaces）
			delete?[]m_Model.vobject[i].pFaces;
//		if（m_Model.vobject[i].pNormals）
//			delete?[]m_Model.vobject[i].pNormals;
	}
}
void?ReadString（FILE?*filechar?*str）
{
	int?i=0;char?l_char;
	do
	{
		fread?（&l_char?1?1?file）;
????????str[i]=l_char;
		i++;
????}while（l_char?!=?‘\0‘?&&?i<255）;
}
bool?C3DS::Load3DS?（?char?*p_filename）
{
	t3DModel?*pModel?=?&m_Model;
	int?i;?//Index?variable
	FILE?*l_file;?//File?pointer
	t3Dobject?*pObj;
	unsigned?short?l_chunk_id;?//Chunk?identifier
	unsigned?int?l_chunk_lenght;?//Chunk?lenght
	unsigned?short?l_qty;?//Number?of?elements?in?each?chunk
	unsigned?short?l_face_flags;?//Flag?that?stores?some?face?information
	if?（（l_file=fopen?（p_filename?“rb“））==?NULL）?return?false;?//Open?the?file
	while?（ftell?（l_file）?	{
		fread?（&l_chunk_id?2?1?l_file）;?//Read?the?chunk?header
		fread?（&l_chunk_lenght?4?1?l_file）;?//Read?the?lenght?of?the?chunk
		switch?（l_chunk_id）
????????{
			//-----------------?MAIN3DS?-----------------
			//?Description:?Main?chunk?contains?all?the?other?chunks
			//?Chunk?ID:?4d4d?
			//?Chunk?Lenght:?0?+?sub?chunks
			//-------------------------------------------
			case?0x4d4d:?
			break;????

			//-----------------?EDIT3DS?-----------------
			//?Description:?3D?Editor?chunk?objects?layout?info?
			//?Chunk?ID:?3d3d?（hex）
			//?Chunk?Lenght:?0?+?sub?chunks
			//-------------------------------------------
			case?0x3d3d:
			break;
			
			//---------------?EDIT_object?---------------
			//?Description:?object?block?info?for?each?object
			//?Chunk?ID:?4000?（hex）
			//?Chunk?Lenght:?len（object?name）?+?sub?chunks
			//-------------------------------------------
			case?0x4000:?
			{
				t3Dobject?obj;
				obj.numOfFaces?=?0;
				obj.numOfVerts?=?0;
				obj.numTexVertex?=?0;
				obj.pFaces?=?0;
				obj.pTexVerts?=?0;
				obj.pVerts?=?0;
			//	memset（&obj0sizeof（t3Dobject））;
				ReadString（l_fileobj.strName）;
				pModel->vobject.push_back（obj）;

			}
			break;

			//---------------?OBJ_TRIMESH?---------------
			//?Descr

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????10025??2003-11-05?22:15??235235343\3ds.cpp

?????文件???????3100??2003-11-05?17:50??235235343\3ds.h

?????文件?????749898??2003-10-23?20:10??235235343\BRICK.bmp

?????文件?????245814??2003-10-23?17:15??235235343\brown-ma.bmp

?????文件??????16367??2003-11-05?22:17??235235343\Camera.cpp

?????文件???????3244??2003-11-05?22:17??235235343\Camera.h

?????文件???????1911??2003-11-05?22:12??235235343\DemoHouse.3DS

?????文件??????28996??2003-11-03?23:46??235235343\Frustum.cpp

?????文件???????2216??2003-11-03?23:27??235235343\Frustum.h

?????文件???????1668??2003-08-12?00:15??235235343\GameHead.h

?????文件??????14733??2003-11-02?14:00??235235343\GameWnd.cpp

?????文件???????1319??2003-11-05?17:38??235235343\GameWnd.h

?????文件?????107406??2003-10-23?20:13??235235343\greenLf.bmp

?????文件???????5075??2003-11-05?22:18??235235343\Load3DSDemo.dsp

?????文件????????545??2003-08-09?21:20??235235343\Load3DSDemo.dsw

?????文件???????1813??2003-11-05?22:20??235235343\Load3DSDemo.plg

?????文件???????1757??2003-10-24?23:42??235235343\main.cpp

?????文件??????16758??2003-06-12?18:19??235235343\Math.cpp

?????文件???????2644??2003-06-12?18:19??235235343\Math.h

?????文件???????1730??2003-11-05?22:18??235235343\Portal.plg

?????文件???????1020??2003-11-05?22:09??235235343\Scene.cpp

?????文件????????703??2003-11-05?22:17??235235343\Scene.h

?????文件??????15735??2003-11-05?22:15??235235343\Texture.cpp

?????文件????????934??2003-11-05?22:15??235235343\Texture.h

?????文件???????3132??2003-08-05?07:26??235235343\vector.cpp

?????文件???????1805??2003-10-23?10:19??235235343\Vector.h

?????文件???????2916??2004-10-04?21:33??235235343\Cn700.com.txt

?????文件????????223??2004-10-04?20:06??235235343\readme.htm

?????文件???????2470??2004-10-04?21:37??235235343\readme.txt

?????目錄??????????0??2004-11-14?15:11??235235343

............此處省略4個文件信息