//?LoadOBJ.cpp:?implementation?of?the?CLoadOBJ?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“MyExplosion.h“
#include?“LoadOBJ.h“
#include?


#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif

const?float?pi?=?3.1415926;

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

static?char?*NormalizeString（char?*s）
{
	while?（*s?==?‘?‘）?s++;
	ULONG?l?=?strlen（s）;
	for?（ULONG?i=（l-1）;?i>0;?i--）
		if?（s[i]?		else?break;
	return?s;
}

static?void?ParseFloat（char?*s?float?*a?float?*b?float?*c）
{
	int?i?j;
	int?x?y?z;
	s?=?NormalizeString（s）;
	x?=?0;?y?=?-1;?z?=?-1;
	j?=?（int）strlen（s）;
	for?（i=0;?i	{
		if?（（s[i]?==?‘?‘）?||?（s[i]?==?‘\n‘））
		{
			s[i]?=?0;
			if?（y?==?-1）?y?=?i+1;
			else
			if?（z?==?-1）?z?=?i+1;
		}
	}
	*a?=?（float）atof（&s[x]）;
	*b?=?（float）atof（&s[y]）;
	*c?=?（float）atof（&s[z]）;
}

static?int?Parse3（char?*s?int?*a?int?*b?int?*c）
{
	int?i?j;
	char?*sp;
	int?stage=0;
	j?=?（int）strlen（s）;
	sp?=?s;
	for?（i=0;?i	{
		if?（（s[i]?==?‘/‘）?||?（i?==?j-1））
		{
			if?（i?!=?j-1）?s[i]?=?0;
			switch?（stage）
			{
				case?0:?*a?=?atoi（sp）;?break;
				case?1:?*b?=?atoi（sp）;?break;
				case?2:?*c?=?atoi（sp）;?break;
			}
			stage++;
			sp?=?&s[i+1];
		}
	}
	return?stage;
}

static?int?ParseFace（char?*s?int?*a?int?*ta?int?*na?int?*b?int?*tb?int?*nb?int?*c?int?*tc?int?*nc）
{
	int?i?j?stage=0?total;
	char?*sp;
	s?=?NormalizeString（s）;
	j?=?（int）strlen（s）;
	sp?=?s;
	for?（i=0;?i	{
		if?（（s[i]?==?‘?‘）?||?（i?==?j-1））
		{
			if?（i?!=?j-1）?s[i]?=?0;
			?
			switch?（stage）
			{
				case?0:?total?=?Parse3（sp?a?ta?na）;?break;
				case?1:?total?=?Parse3（sp?b?tb?nb）;?break;
				case?2:?total?=?Parse3（sp?c?tc?nc）;?break;
			}
			stage++;
			sp?=?&s[i+1];
		}
	}
	return?total;
}

CTexture::CTexture（）
{
	cur_texture?=?0;
}

CTexture::~CTexture（）
{
	//?刪除所有紋理
	if?（cur_texture?>?0）?glDeleteTextures（cur_texture?&textures[0]）;
}

void?CTexture::Init（）
{
	glGenTextures（MAX_TEXTURES?textures）;
}


GLuint?CTexture::AddNewTexture（char?*lpszName）
{
	unsigned?*teximage;
	int?texwid?texht;
	int?texcomps;
	teximage?=?m_Texture->read_texture（lpszName?&texwid?&texht?&texcomps）;
	if?（!teximage）?return?-1;
	
	glBindTexture（GL_TEXTURE_2D?textures[cur_texture]）;
	cur_texture++;
	glPixelStorei（GL_UNPACK_ALIGNMENT?1）;
	glTexImage2D（GL_TEXTURE_2D?0?3?texwid?texht?0?GL_RGBA?GL_UNSIGNED_BYTE?teximage）;
	gluBuild2DMipmaps（GL_TEXTURE_2D?3?texwid?texht?GL_RGBA?GL_UNSIGNED_BYTE?teximage）;

	glTexParameterf（GL_TEXTURE_2D?GL_TEXTURE_MIN_FILTER?GL_LINEAR_MIPMAP_LINEAR）;?
	glTexParameterf（GL_TEXTURE_2D?GL_TEXTURE_MAG_FILTER?GL_LINEAR_MIPMAP_L

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

?????目錄??????????0??2008-03-15?10:30??MyExplosion

?????文件??????15950??2005-10-19?15:32??MyExplosion\LoadOBJ.cpp

?????文件???????2457??2005-10-19?15:32??MyExplosion\LoadOBJ.h

?????文件???????2512??2005-10-19?15:32??MyExplosion\MainFrm.cpp

?????文件???????1581??2005-10-19?15:32??MyExplosion\MainFrm.h

?????文件??????29088??2005-10-19?15:32??MyExplosion\MyExplosion.aps

?????文件???????2359??2005-10-19?15:32??MyExplosion\MyExplosion.clw

?????文件???????4299??2005-10-19?15:32??MyExplosion\MyExplosion.cpp

?????文件???????4916??2005-10-19?15:32??MyExplosion\MyExplosion.dsp

?????文件????????547??2005-10-19?15:32??MyExplosion\MyExplosion.dsw

?????文件???????1408??2005-10-19?15:32??MyExplosion\MyExplosion.h

?????文件??????82944??2005-10-19?15:32??MyExplosion\MyExplosion.ncb

?????文件??????49664??2005-10-19?15:32??MyExplosion\MyExplosion.opt

?????文件???????1528??2005-10-19?15:32??MyExplosion\MyExplosion.plg

?????文件??????10610??2005-10-19?15:32??MyExplosion\MyExplosion.rc

?????文件???????1842??2005-10-19?15:32??MyExplosion\MyExplosionDoc.cpp

?????文件???????1527??2005-10-19?15:32??MyExplosion\MyExplosionDoc.h

?????文件??????10610??2005-10-19?15:32??MyExplosion\MyExplosionView.cpp

?????文件???????2741??2005-10-19?15:32??MyExplosion\MyExplosionView.h

?????文件???????6624??2005-10-19?15:32??MyExplosion\MyTexture.cpp

?????文件???????1614??2005-10-19?15:32??MyExplosion\MyTexture.h

?????文件???????4430??2005-10-19?15:32??MyExplosion\ReadMe.txt

?????文件????????499??2005-10-19?15:32??MyExplosion\Resource.h

?????文件????????213??2005-10-19?15:32??MyExplosion\StdAfx.cpp

?????文件???????1327??2005-10-19?15:32??MyExplosion\StdAfx.h

?????目錄??????????0??2008-03-15?10:30??MyExplosion\RES

?????文件???????1078??2005-10-19?15:32??MyExplosion\RES\MyExplosion.ico

?????文件????????403??2005-10-19?15:32??MyExplosion\RES\MyExplosion.rc2

?????文件???????1078??2005-10-19?15:32??MyExplosion\RES\MyExplosionDoc.ico

?????文件???????1078??2005-10-19?15:32??MyExplosion\RES\Toolbar.bmp

............此處省略15個文件信息