EOL-styled some more files

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@9947 54d463be-8e91-2dee-dedb-b68131a5f0ec

1 files changed, 982 insertions, 982 deletions

diff --git a/src/tool/grfio.c b/src/tool/grfio.c
index ad6a466ba..2fa48a2a1 100644
--- a/src/tool/grfio.c
+++ b/src/tool/grfio.c
@@ -1,982 +1,982 @@
-// Copyright (c) Athena Dev Teams - Licensed under GNU GPL

-// For more information, see LICENCE in the main folder

-

-/*********************************************************************

- *

- *		Ragnarok Online Emulator : grfio.c -- grf file I/O Module

- *--------------------------------------------------------------------

- *		special need library : zlib

- *********************************************************************

- *	$Id: grfio.c,v 1.2 2004/09/29 17:31:49 kalaspuff Exp $

- *

- *	2002/12/18... the original edition

- *	2003/01/23 ... Code correction

- *	2003/02/01 ... An addition and decryption processing are improved for LocalFile and two or more GRF(s) check processing.

- *	2003/02/02 ... Even if there is no grf it does not stop -- as -- correction

- *	2003/02/02... grf reading specification can be added later -- as -- correction (grfio_add function addition)

- *	2003/02 / 03... at the time of grfio_resourcecheck processing the entry addition processing method -- correction

- *	2003/02/05... change of the processing in grfio_init

- *	2003/02/23... a local file check -- GRFIO_LOCAL -- switch (Defoe -- Function Off)

- * 2003/10/21 ... The data of alpha client was read.

- *	2003/11/10 ... Ready new grf format.

- *	2003/11/11 ... version check fix & bug fix

- * 2006/04/16 ... fixed crash grfio_find_file when file is not found.

- */

-

-#include <stdio.h>

-#include <stdlib.h>

-#include <string.h>

-#include <ctype.h>

-#include <malloc.h>

-#include <sys/stat.h>

-

-#include "grfio.h"

-#include "../common/mmo.h"

-#include "../zlib/unzip.h"

-

-#define CHUNK 16384

-

-#ifdef __WIN32

-	#include "../zlib/zlib.h"

-	#include "../zlib/iowin32.h"

-#else

-	#ifndef __FREEBSD__

-		#include <zlib.h>

-	#endif

-#endif

-

-typedef	unsigned char	BYTE;

-typedef	unsigned short	WORD;

-typedef	unsigned long	DWORD;

-

-static char data_dir[1024] = "";	// "../";

-

-//----------------------------

-//	file entry table struct

-//----------------------------

-typedef struct {

-	int 	srclen;				// compressed size

-	int		srclen_aligned;		//

-	int		declen;				// original size

-	int		srcpos;

-	short	next;

-	int	cycle;

-	char	type;

-	char	fn[128-4*5];		// file name

-	char	*fnd;

-	signed char	gentry;				// read grf file select

-} FILELIST;

-//gentry ... 0    : It acquires from a local file.

-//             It acquires from the resource file of 1>=:gentry_table[gentry-1].

-//             1<=: Check a local file.

-//                    If it is, after re-setting to 0, it acquires from a local file.

-//                    If there is nothing, mark reversal will be carried out, and it will re-set, and will acquire from a resource file as well as 1>=.

-

-//Since char defines *FILELIST.gentry, the maximum which can be added by grfio_add becomes by 127 pieces.

-

-#define	GENTRY_LIMIT	512

-#define	FILELIST_LIMIT	1048576	// temporary maximum, and a theory top maximum are 2G.

-

-static FILELIST *filelist		= NULL;

-static int	filelist_entrys		= 0;

-static int	filelist_maxentry	= 0;

-

-static char **gentry_table		= NULL;

-static int gentry_entrys		= 0;

-static int gentry_maxentry		= 0;

-

-//----------------------------

-//	file list hash table

-//----------------------------

-static int filelist_hash[256];

-

-//----------------------------

-//	grf decode data table

-//----------------------------

-static unsigned char BitMaskTable[8] = {

-	0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01

-};

-

-static char	BitSwapTable1[64] = {

-	58, 50, 42, 34, 26, 18, 10,  2, 60, 52, 44, 36, 28, 20, 12,  4,

-	62, 54, 46, 38, 30, 22, 14,  6, 64, 56, 48, 40, 32, 24, 16,  8,

-	57, 49, 41, 33, 25, 17,  9,  1, 59, 51, 43, 35, 27, 19, 11,  3,

-	61, 53, 45, 37, 29, 21, 13,  5, 63, 55, 47, 39, 31, 23, 15,  7

-};

-static char	BitSwapTable2[64] = {

-	40,  8, 48, 16, 56, 24, 64, 32, 39,  7, 47, 15, 55, 23, 63, 31,

-	38,  6, 46, 14, 54, 22, 62, 30, 37,  5, 45, 13, 53, 21, 61, 29,

-	36,  4, 44, 12, 52, 20, 60, 28, 35,  3, 43, 11, 51, 19, 59, 27,

-	34,  2, 42, 10, 50, 18, 58, 26, 33,  1, 41,  9, 49, 17, 57, 25

-};

-static char	BitSwapTable3[32] = {

-	16,  7, 20, 21, 29, 12, 28, 17,  1, 15, 23, 26,  5, 18, 31, 10,

-     2,  8, 24, 14, 32, 27,  3,  9, 19, 13, 30,  6, 22, 11,  4, 25

-};

-

-static unsigned char NibbleData[4][64]={

-	{

-		0xef, 0x03, 0x41, 0xfd, 0xd8, 0x74, 0x1e, 0x47,  0x26, 0xef, 0xfb, 0x22, 0xb3, 0xd8, 0x84, 0x1e,

-		0x39, 0xac, 0xa7, 0x60, 0x62, 0xc1, 0xcd, 0xba,  0x5c, 0x96, 0x90, 0x59, 0x05, 0x3b, 0x7a, 0x85,

-		0x40, 0xfd, 0x1e, 0xc8, 0xe7, 0x8a, 0x8b, 0x21,  0xda, 0x43, 0x64, 0x9f, 0x2d, 0x14, 0xb1, 0x72,

-		0xf5, 0x5b, 0xc8, 0xb6, 0x9c, 0x37, 0x76, 0xec,  0x39, 0xa0, 0xa3, 0x05, 0x52, 0x6e, 0x0f, 0xd9,

-	}, {

-		0xa7, 0xdd, 0x0d, 0x78, 0x9e, 0x0b, 0xe3, 0x95,  0x60, 0x36, 0x36, 0x4f, 0xf9, 0x60, 0x5a, 0xa3,

-		0x11, 0x24, 0xd2, 0x87, 0xc8, 0x52, 0x75, 0xec,  0xbb, 0xc1, 0x4c, 0xba, 0x24, 0xfe, 0x8f, 0x19,

-		0xda, 0x13, 0x66, 0xaf, 0x49, 0xd0, 0x90, 0x06,  0x8c, 0x6a, 0xfb, 0x91, 0x37, 0x8d, 0x0d, 0x78,

-		0xbf, 0x49, 0x11, 0xf4, 0x23, 0xe5, 0xce, 0x3b,  0x55, 0xbc, 0xa2, 0x57, 0xe8, 0x22, 0x74, 0xce,

-	}, {

-		0x2c, 0xea, 0xc1, 0xbf, 0x4a, 0x24, 0x1f, 0xc2,  0x79, 0x47, 0xa2, 0x7c, 0xb6, 0xd9, 0x68, 0x15,

-		0x80, 0x56, 0x5d, 0x01, 0x33, 0xfd, 0xf4, 0xae,  0xde, 0x30, 0x07, 0x9b, 0xe5, 0x83, 0x9b, 0x68,

-		0x49, 0xb4, 0x2e, 0x83, 0x1f, 0xc2, 0xb5, 0x7c,  0xa2, 0x19, 0xd8, 0xe5, 0x7c, 0x2f, 0x83, 0xda,

-		0xf7, 0x6b, 0x90, 0xfe, 0xc4, 0x01, 0x5a, 0x97,  0x61, 0xa6, 0x3d, 0x40, 0x0b, 0x58, 0xe6, 0x3d,

-	}, {

-		0x4d, 0xd1, 0xb2, 0x0f, 0x28, 0xbd, 0xe4, 0x78,  0xf6, 0x4a, 0x0f, 0x93, 0x8b, 0x17, 0xd1, 0xa4,

-		0x3a, 0xec, 0xc9, 0x35, 0x93, 0x56, 0x7e, 0xcb,  0x55, 0x20, 0xa0, 0xfe, 0x6c, 0x89, 0x17, 0x62,

-		0x17, 0x62, 0x4b, 0xb1, 0xb4, 0xde, 0xd1, 0x87,  0xc9, 0x14, 0x3c, 0x4a, 0x7e, 0xa8, 0xe2, 0x7d,

-		0xa0, 0x9f, 0xf6, 0x5c, 0x6a, 0x09, 0x8d, 0xf0,  0x0f, 0xe3, 0x53, 0x25, 0x95, 0x36, 0x28, 0xcb,

-	}

-};

-/*-----------------

- *	long data get

- */

-static unsigned int getlong(unsigned char *p)

-{

-	return   p[0]

-		| p[1] << 0x08

-		| p[2] << 0x10

-		| p[3] << 0x18; // Shinomori

-}

-

-/*==========================================

- *	Grf data decode : Subs

- *------------------------------------------

- */

-static void NibbleSwap(BYTE *Src, int len)

-{

-	for(;0<len;len--,Src++) {

-		*Src = (*Src>>4) | (*Src<<4);

-	}

-}

-

-static void BitConvert(BYTE *Src,char *BitSwapTable)

-{

-	int lop,prm;

-	BYTE tmp[8];

-	memset(tmp,0,8);

-	for(lop=0;lop!=64;lop++) {

-		prm = BitSwapTable[lop]-1;

-		if (Src[(prm >> 3) & 7] & BitMaskTable[prm & 7]) {

-			tmp[(lop >> 3) & 7] |= BitMaskTable[lop & 7];

-		}

-	}

-	memcpy(Src,tmp,8);

-}

-

-static void BitConvert4(BYTE *Src)

-{

-	int lop,prm;

-	BYTE tmp[8];

-	tmp[0] = ((Src[7]<<5) | (Src[4]>>3)) & 0x3f;	// ..0 vutsr

-	tmp[1] = ((Src[4]<<1) | (Src[5]>>7)) & 0x3f;	// ..srqpo n

-	tmp[2] = ((Src[4]<<5) | (Src[5]>>3)) & 0x3f;	// ..o nmlkj

-	tmp[3] = ((Src[5]<<1) | (Src[6]>>7)) & 0x3f;	// ..kjihg f

-	tmp[4] = ((Src[5]<<5) | (Src[6]>>3)) & 0x3f;	// ..g fedcb

-	tmp[5] = ((Src[6]<<1) | (Src[7]>>7)) & 0x3f;	// ..cba98 7

-	tmp[6] = ((Src[6]<<5) | (Src[7]>>3)) & 0x3f;	// ..8 76543

-	tmp[7] = ((Src[7]<<1) | (Src[4]>>7)) & 0x3f;	// ..43210 v

-

-	for(lop=0;lop!=4;lop++) {

-		tmp[lop] = (NibbleData[lop][tmp[lop*2]] & 0xf0)

-		         | (NibbleData[lop][tmp[lop*2+1]] & 0x0f);

-	}

-

-	*(DWORD*)(tmp+4)=0;

-	for(lop=0;lop!=32;lop++) {

-		prm = BitSwapTable3[lop]-1;

-		if (tmp[prm >> 3] & BitMaskTable[prm & 7]) {

-			tmp[(lop >> 3) + 4] |= BitMaskTable[lop & 7];

-		}

-	}

-	Src[0] ^= tmp[4];

-	Src[1] ^= tmp[5];

-	Src[2] ^= tmp[6];

-	Src[3] ^= tmp[7];

-}

-

-static void decode_des_etc(BYTE *buf,int len,int type,int cycle)

-{

-	int lop,cnt=0;

-	if(cycle<3) cycle=3;

-	else if(cycle<5) cycle++;

-	else if(cycle<7) cycle+=9;

-	else cycle+=15;

-

-	for(lop=0;lop*8<len;lop++,buf+=8) {

-		if(lop<20 || (type==0 && lop%cycle==0)){ // des

-			BitConvert(buf,BitSwapTable1);

-			BitConvert4(buf);

-			BitConvert(buf,BitSwapTable2);

-		} else {

-			if(cnt==7 && type==0){

-				int a;

-				BYTE tmp[8];

-				*(DWORD*)tmp     = *(DWORD*)buf;

-				*(DWORD*)(tmp+4) = *(DWORD*)(buf+4);

-				cnt=0;

-				buf[0]=tmp[3];

-				buf[1]=tmp[4];

-				buf[2]=tmp[6];

-				buf[3]=tmp[0];

-				buf[4]=tmp[1];

-				buf[5]=tmp[2];

-				buf[6]=tmp[5];

-				a=tmp[7];

-				if(a==0x00) a=0x2b;

-				else if(a==0x2b) a=0x00;

-				else if(a==0x01) a=0x68;

-				else if(a==0x68) a=0x01;

-				else if(a==0x48) a=0x77;

-				else if(a==0x77) a=0x48;

-				else if(a==0x60) a=0xff;

-				else if(a==0xff) a=0x60;

-				else if(a==0x6c) a=0x80;

-				else if(a==0x80) a=0x6c;

-				else if(a==0xb9) a=0xc0;

-				else if(a==0xc0) a=0xb9;

-				else if(a==0xeb) a=0xfe;

-				else if(a==0xfe) a=0xeb;

-				buf[7]=a;

-			}

-			cnt++;

-		}

-	}

-}

-/*==========================================

- *	Grf data decode sub : zip

- *------------------------------------------

- */

-int decode_zip(unsigned char *dest, unsigned long* destLen, const unsigned char* source, unsigned long sourceLen)

-{

-	z_stream stream;

-	int err;

-

-	stream.next_in = (Bytef*)source;

-	stream.avail_in = (uInt)sourceLen;

-	/* Check for source > 64K on 16-bit machine: */

-	if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;

-

-	stream.next_out = (Bytef*) dest;

-	stream.avail_out = (uInt)*destLen;

-	if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;

-

-	stream.zalloc = (alloc_func)0;

-	stream.zfree = (free_func)0;

-

-	err = inflateInit(&stream);

-	if (err != Z_OK) return err;

-

-	err = inflate(&stream, Z_FINISH);

-	if (err != Z_STREAM_END) {

-		inflateEnd(&stream);

-		return err == Z_OK ? Z_BUF_ERROR : err;

-	}

-	*destLen = stream.total_out;

-

-	err = inflateEnd(&stream);

-	return err;

-}

-

-int encode_zip(unsigned char *dest, unsigned long* destLen, const unsigned char* source, unsigned long sourceLen) {

-	z_stream stream;

-	int err;

-	memset(&stream, 0, sizeof(stream));

-	stream.next_in = (Bytef*)source;

-	stream.avail_in = (uInt)sourceLen;

-	/* Check for source > 64K on 16-bit machine: */

-	if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;

-

-	stream.next_out = (Bytef*) dest;

-	stream.avail_out = (uInt)*destLen;

-	if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;

-

-	stream.zalloc = (alloc_func)0;

-	stream.zfree = (free_func)0;

-

-	err = deflateInit(&stream,Z_DEFAULT_COMPRESSION);

-	if (err != Z_OK) return err;

-

-	err = deflate(&stream, Z_FINISH);

-	if (err != Z_STREAM_END) {

-		inflateEnd(&stream);

-		return err == Z_OK ? Z_BUF_ERROR : err;

-	}

-	*destLen = stream.total_out;

-

-	err = deflateEnd(&stream);

-	return err;

-}

-

-/* ===================================

-* Unzips a file. 1: success, 0: error

-* Adapted from miniunz.c [Celest]

-* Version 1.01b, May 30th, 2004

-* Copyright (C) 1998-2004 Gilles Vollant

-* -------------------------------------

-*/

-int deflate_file (const char *source, const char *filename)

-{

-#ifdef _WIN32

-	zlib_filefunc_def ffunc;

-#endif

-	unzFile uf = NULL;

-	int err = UNZ_OK;

-	uInt size_buf = 8192;

-	FILE *fout = NULL;

-	void *buf;

-

-#ifdef _WIN32

-	fill_win32_filefunc(&ffunc);

-	uf = unzOpen2(source, &ffunc);

-#else

-	uf = unzOpen(source);

-#endif

-

-	if (uf == NULL)

-		return 0;

-

-	if (unzLocateFile(uf, filename, 0) != UNZ_OK)

-		return 0;

-

-	err = unzOpenCurrentFilePassword(uf, NULL);

-

-	fout = fopen(filename,"wb");

-	if (fout == NULL)

-		return 0;

-

-	buf = (void *)malloc(size_buf);

-	do {

-		err = unzReadCurrentFile(uf, buf, size_buf);

-		if (err < 0)

-			break;

-		if (err > 0 &&

-			fwrite(buf, err, 1, fout)!=1)

-		{

-			err = UNZ_ERRNO;

-			break;

-		}

-	} while (err > 0);

-	

-	if (fout) fclose(fout);

-

-	if (err == UNZ_OK) {

-		err = unzCloseCurrentFile (uf);

-		free(buf);

-		return (err == UNZ_OK);

-	}

-	

-	unzCloseCurrentFile(uf); /* don't lose the error */

-

-	return 0;

-}

-

-unsigned long grfio_crc32 (const unsigned char *buf, unsigned int len)

-{

-	return crc32(crc32(0L, Z_NULL, 0), buf, len);

-}

-

-/***********************************************************

- ***                File List Subroutines                ***

- ***********************************************************/

-

-/*==========================================

- *	File List : Hash make

- *------------------------------------------

- */

-static int filehash(unsigned char *fname)

-{

-	unsigned int hash=0;

-	while(*fname) {

-		hash = ((hash<<1)+(hash>>7)*9+tolower(*fname));

-		fname++;

-	}

-	return hash & 255;

-}

-

-/*==========================================

- *	File List : Hash initalize

- *------------------------------------------

- */

-static void hashinit(void)

-{

-	int lop;

-	for (lop = 0; lop < 256; lop++)

-		filelist_hash[lop] = -1;

-}

-

-/*==========================================

- *	File List : File find

- *------------------------------------------

- */

-static FILELIST *filelist_find(char *fname)

-{

-	int hash;

-

-	if (!filelist)

-		return NULL;

-

-	for (hash = filelist_hash[filehash((unsigned char *) fname)]; hash >= 0; hash = filelist[hash].next) {

-		if(strcmpi(filelist[hash].fn, fname) == 0)

-			break;

-	}

-

-	return (hash >= 0) ? &filelist[hash] : NULL;

-}

-

-char *grfio_find_file(char *fname){

-	FILELIST *filelist = filelist_find(fname);

-	if (!filelist) return NULL;

-	return (!filelist->fnd?filelist->fn:filelist->fnd);

-}

-

-/*==========================================

- *	File List : Filelist add

- *------------------------------------------

- */

-#define	FILELIST_ADDS	1024	// number increment of file lists `

-

-static FILELIST* filelist_add(FILELIST *entry)

-{

-	int hash;

-

-	if (filelist_entrys >= FILELIST_LIMIT) {

-		printf("GRF filelist limit reached!\n");

-		exit(1);

-	}

-

-	if (filelist_entrys >= filelist_maxentry) {

-		filelist = (FILELIST *)realloc(filelist, (filelist_maxentry + FILELIST_ADDS) * sizeof(FILELIST));

-		memset(filelist + filelist_maxentry, '\0', FILELIST_ADDS * sizeof(FILELIST));

-		filelist_maxentry += FILELIST_ADDS;

-	}

-

-	memcpy (&filelist[filelist_entrys], entry, sizeof(FILELIST));

-

-	hash = filehash((unsigned char *) entry->fn);

-	filelist[filelist_entrys].next = filelist_hash[hash];

-	filelist_hash[hash] = filelist_entrys;

-

-	filelist_entrys++;

-

-	return &filelist[filelist_entrys - 1];

-}

-

-static FILELIST* filelist_modify(FILELIST *entry)

-{

-	FILELIST *fentry;

-	if ((fentry = filelist_find(entry->fn)) != NULL) {

-		int tmp = fentry->next;

-		memcpy(fentry, entry, sizeof(FILELIST));

-		fentry->next = tmp;

-	} else {

-		fentry = filelist_add(entry);

-	}

-	return fentry;

-}

-

-/*==========================================

- *	File List : filelist size adjust

- *------------------------------------------

- */

-static void filelist_adjust(void)

-{

-	if (filelist != NULL) {

-		if (filelist_maxentry > filelist_entrys) {

-			filelist = (FILELIST *)realloc(

-				filelist, filelist_entrys * sizeof(FILELIST));

-			filelist_maxentry = filelist_entrys;

-		}

-	}

-}

-

-/***********************************************************

- ***                  Grfio Sobroutines                  ***

- ***********************************************************/

-

-/*==========================================

- *	Grfio : Resource file size get

- *------------------------------------------

- */

-int grfio_size(char *fname)

-{

-	FILELIST *entry;

-

-	entry = filelist_find(fname);

-

-	if (entry == NULL || entry->gentry < 0) {	// LocalFileCheck

-		char lfname[256], *p;

-		FILELIST lentry;

-		struct stat st;

-

-		sprintf(lfname, "%s%s", data_dir, fname);

-

-		for (p = &lfname[0]; *p != 0; p++)

-			if (*p=='\\') *p = '/';	// * At the time of Unix

-

-		if (stat(lfname, &st) == 0) {

-			strncpy(lentry.fn, fname, sizeof(lentry.fn) - 1);

-			lentry.fnd = NULL;

-			lentry.declen = st.st_size;

-			lentry.gentry = 0;	// 0:LocalFile

-			entry = filelist_modify(&lentry);

-		} else if (entry == NULL) {

-			printf("%s not found (grfio_size)\n", fname);

-			//exit(1);

-			return -1;

-		}

-	}

-	return entry->declen;

-}

-

-/*==========================================

- *	Grfio : Resource file read & size get

- *------------------------------------------

- */

-void* grfio_reads(char *fname, int *size)

-{

-	FILE *in;

-	FILELIST *entry;

-	unsigned char *buf2 = NULL;

-

-	entry = filelist_find(fname);

-

-	if (entry == NULL || entry->gentry <= 0) {	// LocalFileCheck

-		char lfname[256], *p;

-		FILELIST lentry;

-

-		sprintf(lfname, "%s%s", data_dir, fname);

-		

-		for (p = &lfname[0]; *p != 0; p++)

-			if (*p == '\\') *p = '/';	// * At the time of Unix

-

-		in = fopen(lfname, "rb");

-		if (in != NULL) {

-			if (entry != NULL && entry->gentry == 0) {

-				lentry.declen = entry->declen;

-			} else {

-				fseek(in,0,2);	// SEEK_END

-				lentry.declen = ftell(in);

-			}

-			fseek(in,0,0);	// SEEK_SET

-			buf2 = (unsigned char *)malloc(lentry.declen + 1024);

-			fread(buf2, 1, lentry.declen, in);

-			fclose(in);

-			strncpy(lentry.fn, fname, sizeof(lentry.fn) - 1);

-			lentry.fnd = NULL;

-			lentry.gentry = 0;	// 0:LocalFile

-			entry = filelist_modify(&lentry);

-		} else {

-			if (entry != NULL && entry->gentry < 0) {

-				entry->gentry = -entry->gentry;	// local file checked

-			} else {

-				printf("%s not found (grfio_reads - local file %s)\n", fname, lfname);

-				return NULL;

-			}

-		}

-	}

-	if (entry != NULL && entry->gentry > 0) {	// Archive[GRF] File Read

-		char *gfname = gentry_table[entry->gentry - 1];

-		in = fopen(gfname, "rb");

-		if(in != NULL) {

-			unsigned char *buf = (unsigned char *)malloc(entry->srclen_aligned + 1024);

-			fseek(in, entry->srcpos, 0);

-			fread(buf, 1, entry->srclen_aligned, in);

-			fclose(in);

-			buf2 = (unsigned char *)malloc(entry->declen + 1024);

-			if (entry->type == 1 || entry->type == 3 || entry->type == 5) {

-				uLongf len;

-				if (entry->cycle >= 0)

-					decode_des_etc(buf, entry->srclen_aligned, entry->cycle == 0, entry->cycle);

-				len = entry->declen;

-				decode_zip(buf2, &len, buf, entry->srclen);

-				if (len != entry->declen) {

-					printf("decode_zip size mismatch err: %d != %d\n", (int)len, entry->declen);

-					free(buf);

-					free(buf2);

-					return NULL;

-				}

-			} else {

-				memcpy(buf2, buf, entry->declen);

-			}

-			free(buf);

-		} else {

-			printf("%s not found (grfio_reads - GRF file %s)\n", fname, gfname);

-			return NULL;

-		}

-	}

-	if (size != NULL && entry != NULL)

-		*size = entry->declen;

-

-	return buf2;

-}

-

-/*==========================================

- *	Resource filename decode

- *------------------------------------------

- */

-static char * decode_filename(unsigned char *buf,int len)

-{

-	int lop;

-	for(lop=0;lop<len;lop+=8) {

-		NibbleSwap(&buf[lop],8);

-		BitConvert(&buf[lop],BitSwapTable1);

-		BitConvert4(&buf[lop]);

-		BitConvert(&buf[lop],BitSwapTable2);

-	}

-	return (char*)buf;

-}

-

-/*==========================================

- * Grfio : Entry table read

- *------------------------------------------

- */

-static int grfio_entryread(char *gfname,int gentry)

-{

-	FILE *fp;

-	long grf_size,list_size;

-	unsigned char grf_header[0x2e];

-	int lop,entry,entrys,ofs,grf_version;

-	char *fname;

-	unsigned char *grf_filelist;

-

-	fp = fopen(gfname, "rb");

-	if (fp == NULL) {

-		printf("GRF data file not found: '%s'.\n",gfname);

-		return 1;	// 1:not found error

-	}

-

-	fseek(fp,0,2);	// SEEK_END

-	grf_size = ftell(fp);

-	fseek(fp,0,0);	// SEEK_SET

-	fread(grf_header,1,0x2e,fp);

-	if (strcmp((const char *) grf_header,"Master of Magic") ||

-		fseek(fp,getlong(grf_header+0x1e),1))	// SEEK_CUR

-	{

-		fclose(fp);

-		printf("GRF %s read error\n",gfname);

-		return 2;	// 2:file format error

-	}

-

-	grf_version = getlong(grf_header+0x2a) >> 8;

-

-	if (grf_version == 0x01) {	//****** Grf version 01xx ******

-		list_size = grf_size - ftell(fp);

-		grf_filelist = (unsigned char *) malloc(list_size);

-		fread(grf_filelist,1,list_size,fp);

-		fclose(fp);

-

-		entrys = getlong(grf_header+0x26) - getlong(grf_header+0x22) - 7;

-

-		// Get an entry

-		for (entry = 0,ofs = 0; entry < entrys; entry++) {

-			int ofs2, srclen, srccount, type;

-			char *period_ptr;

-			FILELIST aentry;

-

-			ofs2 = ofs+getlong(grf_filelist+ofs)+4;

-			type = grf_filelist[ofs2+12];

-			if (type != 0) {	// Directory Index ... skip

-				fname = decode_filename(grf_filelist+ofs+6, grf_filelist[ofs]-6);

-				if (strlen(fname) > sizeof(aentry.fn) - 1) {

-					printf("GRF file name %s is too long\n", fname);

-					free(grf_filelist);

-					exit(1);

-				}

-				srclen = 0;

-				if ((period_ptr = strrchr(fname, '.')) != NULL) {

-					for(lop = 0; lop < 4; lop++) {

-						if (strcmpi(period_ptr, ".gnd\0.gat\0.act\0.str"+lop*5) == 0)

-							break;

-					}

-					srclen = getlong(grf_filelist+ofs2) - getlong(grf_filelist+ofs2+8) - 715;

-					if(lop == 4) {

-						for(lop = 10, srccount = 1; srclen >= lop; lop = lop * 10, srccount++);

-					} else {

-						srccount = 0;

-					}

-				} else {

-					srccount = 0;

-				}

-

-				aentry.srclen         = srclen;

-				aentry.srclen_aligned = getlong(grf_filelist+ofs2+4)-37579;

-				aentry.declen         = getlong(grf_filelist+ofs2+8);

-				aentry.srcpos         = getlong(grf_filelist+ofs2+13)+0x2e;

-				aentry.cycle          = srccount;

-				aentry.type           = type;

-				strncpy(aentry.fn, fname,sizeof(aentry.fn)-1);

-				aentry.fnd			  = NULL;

-#ifdef	GRFIO_LOCAL

-				aentry.gentry         = -(gentry+1);	// As Flag for making it a negative number carrying out the first time LocalFileCheck

-#else

-				aentry.gentry         = gentry+1;		// With no first time LocalFileCheck

-#endif

-				filelist_modify(&aentry);

-			}

-			ofs = ofs2 + 17;

-		}

-		free(grf_filelist);

-

-	} else if (grf_version == 0x02) {	//****** Grf version 02xx ******

-		unsigned char eheader[8];

-		unsigned char *rBuf;

-		uLongf rSize, eSize;

-

-		fread(eheader,1,8,fp);

-		rSize = getlong(eheader);	// Read Size

-		eSize = getlong(eheader+4);	// Extend Size

-

-		if ((long)rSize > grf_size-ftell(fp)) { // Warning fix [Lance]

-			fclose(fp);

-			printf("Illegal data format: GRF compress entry size\n");

-			return 4;

-		}

-

-		rBuf = (unsigned char *)malloc(rSize);	// Get a Read Size

-		grf_filelist = (unsigned char *)malloc(eSize);	// Get a Extend Size

-		fread(rBuf,1,rSize,fp);

-		fclose(fp);

-		decode_zip(grf_filelist, &eSize, rBuf, rSize);	// Decode function

-		list_size = eSize;

-		free(rBuf);

-

-		entrys = getlong(grf_header+0x26) - 7;

-

-		// Get an entry

-		for(entry = 0, ofs = 0; entry < entrys; entry++){

-			int ofs2, srclen, srccount, type;

-			FILELIST aentry;

-

-			fname = (char*)(grf_filelist+ofs);

-			if (strlen(fname) > sizeof(aentry.fn)-1) {

-				printf("GRF file name %s is too long\n", fname);

-				free(grf_filelist);

-				exit(1);

-			}

-			//ofs2 = ofs+strlen((char*)(grf_filelist+ofs))+1;

-			ofs2 = ofs + strlen(fname)+1;

-			type = grf_filelist[ofs2+12];

-			if (type == 1 || type == 3 || type == 5) {

-				srclen = getlong(grf_filelist+ofs2);

-				if (grf_filelist[ofs2+12] == 3) {

-					for (lop = 10, srccount = 1; srclen >= lop; lop = lop * 10, srccount++);

-				} else if (grf_filelist[ofs2+12] == 5) {

-					srccount = 0;

-				} else {	// if (grf_filelist[ofs2+12]==1) {

-					srccount = -1;

-				}

-

-				aentry.srclen         = srclen;

-				aentry.srclen_aligned = getlong(grf_filelist+ofs2+4);

-				aentry.declen         = getlong(grf_filelist+ofs2+8);

-				aentry.srcpos         = getlong(grf_filelist+ofs2+13)+0x2e;

-				aentry.cycle          = srccount;

-				aentry.type           = type;

-				strncpy(aentry.fn,fname,sizeof(aentry.fn)-1);

-				aentry.fnd			  = NULL;

-#ifdef	GRFIO_LOCAL

-				aentry.gentry         = -(gentry+1);	// As Flag for making it a negative number carrying out the first time LocalFileCheck

-#else

-				aentry.gentry         = gentry+1;		// With no first time LocalFileCheck

-#endif

-				filelist_modify(&aentry);

-			}

-			ofs = ofs2 + 17;

-		}

-		free(grf_filelist);

-

-	} else {	//****** Grf Other version ******

-		fclose(fp);

-		printf("GRF version %04x not supported\n",getlong(grf_header+0x2a));

-		return 4;

-	}

-

-	filelist_adjust();	// Unnecessary area release of filelist

-

-	return 0;	// 0:no error

-}

-

-/*==========================================

- * Grfio : Resource file check

- *------------------------------------------

- */

-static void grfio_resourcecheck(void)

-{

-	char w1[256], w2[256], src[256], dst[256], restable[256], line[256];

-	char *ptr, *buf;

-	FILELIST *entry;

-	int size, i = 0;

-	FILE *fp;

-

-	// read resnametable from data directory and return if successful

-	sprintf(restable, "%sdata\\resnametable.txt", data_dir);

-	for (ptr = &restable[0]; *ptr != 0; ptr++)

-		if (*ptr == '\\') *ptr = '/';

-

-	fp = fopen(restable,"rb");

-	if (fp) {

-		while (fgets(line, sizeof(line) - 1, fp)) {

-			if (sscanf(line, "%[^#]#%[^#]#", w1, w2) == 2 &&

-				// we only need the maps' GAT and RSW files

-				(strstr(w2, ".gat") || strstr(w2, ".rsw")))

-			{

-				sprintf(src, "data\\%s", w1);

-				sprintf(dst, "data\\%s", w2);

-				entry = filelist_find(dst);

-				// create new entries reusing the original's info

-				if (entry != NULL) {

-					FILELIST fentry;

-					memcpy(&fentry, entry, sizeof(FILELIST));

-					strncpy(fentry.fn, src, sizeof(fentry.fn) - 1);

-					fentry.fnd = grfio_alloc_ptr(dst);

-					filelist_modify(&fentry);

-					i++;

-				}

-			}

-		}

-		fclose(fp);

-		return;	// we're done here!

-	}

-	

-	// read resnametable from loaded GRF's, only if it cannot be

-	// loaded from the data directory

-	buf = (char *)grfio_reads("data\\resnametable.txt", &size);

-	if (buf) {

-		buf[size] = 0;

-		ptr = buf;

-

-		while (ptr - buf < size) {

-			if (sscanf(ptr, "%[^#]#%[^#]#", w1, w2) == 2 &&

-				(strstr(w2, ".gat") || strstr(w2, ".rsw")))

-			{

-				sprintf(src, "data\\%s", w1);

-				sprintf(dst, "data\\%s", w2);

-				entry = filelist_find(dst);

-				if (entry != NULL) {

-					FILELIST fentry;

-					memcpy(&fentry, entry, sizeof(FILELIST));

-					strncpy(fentry.fn, src, sizeof(fentry.fn) - 1);

-					fentry.fnd = grfio_alloc_ptr(dst);

-					filelist_modify(&fentry);

-					i++;

-				}

-			}

-			ptr = strchr(ptr,'\n');	// Next line

-			if (!ptr) break;

-			ptr++;

-		}

-		free(buf);

-		return;

-	}

-

-}

-

-/*==========================================

- * Grfio : Resource add

- *------------------------------------------

- */

-#define	GENTRY_ADDS	4	// The number increment of gentry_table entries

-

-static int grfio_add(char *fname)

-{

-	grfio_alloc_ptr(fname);

-

-	return grfio_entryread(fname, gentry_entrys - 1);

-}

-

-char *grfio_alloc_ptr(char *fname)

-{

-	int len;

-	char *buf;

-

-	if (gentry_entrys >= GENTRY_LIMIT) {

-		printf("GRF file entry limit reached!\n");

-		exit(1);

-	}

-

-	if (gentry_entrys >= gentry_maxentry) {

-		gentry_maxentry += GENTRY_ADDS;

-		gentry_table = (char**)realloc(gentry_table, gentry_maxentry * sizeof(char*));

-		memset(gentry_table + (gentry_maxentry - GENTRY_ADDS), 0, sizeof(char*) * GENTRY_ADDS);

-	}

-	len = strlen( fname );

-	buf = (char*)malloc(len + 1);

-	strcpy(buf, fname);

-	gentry_table[gentry_entrys++] = buf;

-

-	return buf;

-}

-

-/*==========================================

- * Grfio : Finalize

- *------------------------------------------

- */

-void grfio_final(void)

-{

-	if (filelist != NULL)

-		free(filelist);

-

-	filelist_entrys = filelist_maxentry = 0;

-

-	if (gentry_table != NULL) {

-		int lop;

-		for (lop = 0; lop < gentry_entrys; lop++) {

-			if (gentry_table[lop] != NULL)

-				free(gentry_table[lop]);

-		}

-		free(gentry_table);

-	}

-	gentry_table = NULL;

-	gentry_entrys = gentry_maxentry = 0;

-}

-

-/*==========================================

- * Grfio : Initialize

- *------------------------------------------

- */

-void grfio_init(char *fname)

-{

-	FILE *data_conf;

-	char line[1024], w1[1024], w2[1024];

-	int grf_num = 0;

-

-	hashinit();	// hash table initialization

-

-	data_conf = fopen(fname, "r");

-	// It will read, if there is grf-files.txt.

-	if (data_conf) {

-		while(fgets(line, sizeof(line) - 1, data_conf)) {

-			if (line[0] == '/' && line[1] == '/')

-				continue;

-			if (sscanf(line, "%[^:]: %[^\r\n]", w1, w2) != 2)

-				continue;

-			// Entry table reading

-			if(strcmp(w1, "grf") == 0)	// GRF file

-				grf_num += (grfio_add(w2) == 0);

-			else if(strcmp(w1,"data_dir") == 0)	// Data directory

-				strcpy(data_dir, w2);

-		}

-		fclose(data_conf);

-	} // end of reading grf-files.txt

-

-	if (grf_num == 0) {

-		printf("No GRF loaded, using default data directory\n");

-	}

-

-	// Unnecessary area release of filelist

-	filelist_adjust();

-	// Resource check

-	grfio_resourcecheck();

-

-	return;

-}

+// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
+// For more information, see LICENCE in the main folder
+
+/*********************************************************************
+ *
+ *		Ragnarok Online Emulator : grfio.c -- grf file I/O Module
+ *--------------------------------------------------------------------
+ *		special need library : zlib
+ *********************************************************************
+ *	$Id: grfio.c,v 1.2 2004/09/29 17:31:49 kalaspuff Exp $
+ *
+ *	2002/12/18... the original edition
+ *	2003/01/23 ... Code correction
+ *	2003/02/01 ... An addition and decryption processing are improved for LocalFile and two or more GRF(s) check processing.
+ *	2003/02/02 ... Even if there is no grf it does not stop -- as -- correction
+ *	2003/02/02... grf reading specification can be added later -- as -- correction (grfio_add function addition)
+ *	2003/02 / 03... at the time of grfio_resourcecheck processing the entry addition processing method -- correction
+ *	2003/02/05... change of the processing in grfio_init
+ *	2003/02/23... a local file check -- GRFIO_LOCAL -- switch (Defoe -- Function Off)
+ * 2003/10/21 ... The data of alpha client was read.
+ *	2003/11/10 ... Ready new grf format.
+ *	2003/11/11 ... version check fix & bug fix
+ * 2006/04/16 ... fixed crash grfio_find_file when file is not found.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <malloc.h>
+#include <sys/stat.h>
+
+#include "grfio.h"
+#include "../common/mmo.h"
+#include "../zlib/unzip.h"
+
+#define CHUNK 16384
+
+#ifdef __WIN32
+	#include "../zlib/zlib.h"
+	#include "../zlib/iowin32.h"
+#else
+	#ifndef __FREEBSD__
+		#include <zlib.h>
+	#endif
+#endif
+
+typedef	unsigned char	BYTE;
+typedef	unsigned short	WORD;
+typedef	unsigned long	DWORD;
+
+static char data_dir[1024] = "";	// "../";
+
+//----------------------------
+//	file entry table struct
+//----------------------------
+typedef struct {
+	int 	srclen;				// compressed size
+	int		srclen_aligned;		//
+	int		declen;				// original size
+	int		srcpos;
+	short	next;
+	int	cycle;
+	char	type;
+	char	fn[128-4*5];		// file name
+	char	*fnd;
+	signed char	gentry;				// read grf file select
+} FILELIST;
+//gentry ... 0    : It acquires from a local file.
+//             It acquires from the resource file of 1>=:gentry_table[gentry-1].
+//             1<=: Check a local file.
+//                    If it is, after re-setting to 0, it acquires from a local file.
+//                    If there is nothing, mark reversal will be carried out, and it will re-set, and will acquire from a resource file as well as 1>=.
+
+//Since char defines *FILELIST.gentry, the maximum which can be added by grfio_add becomes by 127 pieces.
+
+#define	GENTRY_LIMIT	512
+#define	FILELIST_LIMIT	1048576	// temporary maximum, and a theory top maximum are 2G.
+
+static FILELIST *filelist		= NULL;
+static int	filelist_entrys		= 0;
+static int	filelist_maxentry	= 0;
+
+static char **gentry_table		= NULL;
+static int gentry_entrys		= 0;
+static int gentry_maxentry		= 0;
+
+//----------------------------
+//	file list hash table
+//----------------------------
+static int filelist_hash[256];
+
+//----------------------------
+//	grf decode data table
+//----------------------------
+static unsigned char BitMaskTable[8] = {
+	0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01
+};
+
+static char	BitSwapTable1[64] = {
+	58, 50, 42, 34, 26, 18, 10,  2, 60, 52, 44, 36, 28, 20, 12,  4,
+	62, 54, 46, 38, 30, 22, 14,  6, 64, 56, 48, 40, 32, 24, 16,  8,
+	57, 49, 41, 33, 25, 17,  9,  1, 59, 51, 43, 35, 27, 19, 11,  3,
+	61, 53, 45, 37, 29, 21, 13,  5, 63, 55, 47, 39, 31, 23, 15,  7
+};
+static char	BitSwapTable2[64] = {
+	40,  8, 48, 16, 56, 24, 64, 32, 39,  7, 47, 15, 55, 23, 63, 31,
+	38,  6, 46, 14, 54, 22, 62, 30, 37,  5, 45, 13, 53, 21, 61, 29,
+	36,  4, 44, 12, 52, 20, 60, 28, 35,  3, 43, 11, 51, 19, 59, 27,
+	34,  2, 42, 10, 50, 18, 58, 26, 33,  1, 41,  9, 49, 17, 57, 25
+};
+static char	BitSwapTable3[32] = {
+	16,  7, 20, 21, 29, 12, 28, 17,  1, 15, 23, 26,  5, 18, 31, 10,
+     2,  8, 24, 14, 32, 27,  3,  9, 19, 13, 30,  6, 22, 11,  4, 25
+};
+
+static unsigned char NibbleData[4][64]={
+	{
+		0xef, 0x03, 0x41, 0xfd, 0xd8, 0x74, 0x1e, 0x47,  0x26, 0xef, 0xfb, 0x22, 0xb3, 0xd8, 0x84, 0x1e,
+		0x39, 0xac, 0xa7, 0x60, 0x62, 0xc1, 0xcd, 0xba,  0x5c, 0x96, 0x90, 0x59, 0x05, 0x3b, 0x7a, 0x85,
+		0x40, 0xfd, 0x1e, 0xc8, 0xe7, 0x8a, 0x8b, 0x21,  0xda, 0x43, 0x64, 0x9f, 0x2d, 0x14, 0xb1, 0x72,
+		0xf5, 0x5b, 0xc8, 0xb6, 0x9c, 0x37, 0x76, 0xec,  0x39, 0xa0, 0xa3, 0x05, 0x52, 0x6e, 0x0f, 0xd9,
+	}, {
+		0xa7, 0xdd, 0x0d, 0x78, 0x9e, 0x0b, 0xe3, 0x95,  0x60, 0x36, 0x36, 0x4f, 0xf9, 0x60, 0x5a, 0xa3,
+		0x11, 0x24, 0xd2, 0x87, 0xc8, 0x52, 0x75, 0xec,  0xbb, 0xc1, 0x4c, 0xba, 0x24, 0xfe, 0x8f, 0x19,
+		0xda, 0x13, 0x66, 0xaf, 0x49, 0xd0, 0x90, 0x06,  0x8c, 0x6a, 0xfb, 0x91, 0x37, 0x8d, 0x0d, 0x78,
+		0xbf, 0x49, 0x11, 0xf4, 0x23, 0xe5, 0xce, 0x3b,  0x55, 0xbc, 0xa2, 0x57, 0xe8, 0x22, 0x74, 0xce,
+	}, {
+		0x2c, 0xea, 0xc1, 0xbf, 0x4a, 0x24, 0x1f, 0xc2,  0x79, 0x47, 0xa2, 0x7c, 0xb6, 0xd9, 0x68, 0x15,
+		0x80, 0x56, 0x5d, 0x01, 0x33, 0xfd, 0xf4, 0xae,  0xde, 0x30, 0x07, 0x9b, 0xe5, 0x83, 0x9b, 0x68,
+		0x49, 0xb4, 0x2e, 0x83, 0x1f, 0xc2, 0xb5, 0x7c,  0xa2, 0x19, 0xd8, 0xe5, 0x7c, 0x2f, 0x83, 0xda,
+		0xf7, 0x6b, 0x90, 0xfe, 0xc4, 0x01, 0x5a, 0x97,  0x61, 0xa6, 0x3d, 0x40, 0x0b, 0x58, 0xe6, 0x3d,
+	}, {
+		0x4d, 0xd1, 0xb2, 0x0f, 0x28, 0xbd, 0xe4, 0x78,  0xf6, 0x4a, 0x0f, 0x93, 0x8b, 0x17, 0xd1, 0xa4,
+		0x3a, 0xec, 0xc9, 0x35, 0x93, 0x56, 0x7e, 0xcb,  0x55, 0x20, 0xa0, 0xfe, 0x6c, 0x89, 0x17, 0x62,
+		0x17, 0x62, 0x4b, 0xb1, 0xb4, 0xde, 0xd1, 0x87,  0xc9, 0x14, 0x3c, 0x4a, 0x7e, 0xa8, 0xe2, 0x7d,
+		0xa0, 0x9f, 0xf6, 0x5c, 0x6a, 0x09, 0x8d, 0xf0,  0x0f, 0xe3, 0x53, 0x25, 0x95, 0x36, 0x28, 0xcb,
+	}
+};
+/*-----------------
+ *	long data get
+ */
+static unsigned int getlong(unsigned char *p)
+{
+	return   p[0]
+		| p[1] << 0x08
+		| p[2] << 0x10
+		| p[3] << 0x18; // Shinomori
+}
+
+/*==========================================
+ *	Grf data decode : Subs
+ *------------------------------------------
+ */
+static void NibbleSwap(BYTE *Src, int len)
+{
+	for(;0<len;len--,Src++) {
+		*Src = (*Src>>4) | (*Src<<4);
+	}
+}
+
+static void BitConvert(BYTE *Src,char *BitSwapTable)
+{
+	int lop,prm;
+	BYTE tmp[8];
+	memset(tmp,0,8);
+	for(lop=0;lop!=64;lop++) {
+		prm = BitSwapTable[lop]-1;
+		if (Src[(prm >> 3) & 7] & BitMaskTable[prm & 7]) {
+			tmp[(lop >> 3) & 7] |= BitMaskTable[lop & 7];
+		}
+	}
+	memcpy(Src,tmp,8);
+}
+
+static void BitConvert4(BYTE *Src)
+{
+	int lop,prm;
+	BYTE tmp[8];
+	tmp[0] = ((Src[7]<<5) | (Src[4]>>3)) & 0x3f;	// ..0 vutsr
+	tmp[1] = ((Src[4]<<1) | (Src[5]>>7)) & 0x3f;	// ..srqpo n
+	tmp[2] = ((Src[4]<<5) | (Src[5]>>3)) & 0x3f;	// ..o nmlkj
+	tmp[3] = ((Src[5]<<1) | (Src[6]>>7)) & 0x3f;	// ..kjihg f
+	tmp[4] = ((Src[5]<<5) | (Src[6]>>3)) & 0x3f;	// ..g fedcb
+	tmp[5] = ((Src[6]<<1) | (Src[7]>>7)) & 0x3f;	// ..cba98 7
+	tmp[6] = ((Src[6]<<5) | (Src[7]>>3)) & 0x3f;	// ..8 76543
+	tmp[7] = ((Src[7]<<1) | (Src[4]>>7)) & 0x3f;	// ..43210 v
+
+	for(lop=0;lop!=4;lop++) {
+		tmp[lop] = (NibbleData[lop][tmp[lop*2]] & 0xf0)
+		         | (NibbleData[lop][tmp[lop*2+1]] & 0x0f);
+	}
+
+	*(DWORD*)(tmp+4)=0;
+	for(lop=0;lop!=32;lop++) {
+		prm = BitSwapTable3[lop]-1;
+		if (tmp[prm >> 3] & BitMaskTable[prm & 7]) {
+			tmp[(lop >> 3) + 4] |= BitMaskTable[lop & 7];
+		}
+	}
+	Src[0] ^= tmp[4];
+	Src[1] ^= tmp[5];
+	Src[2] ^= tmp[6];
+	Src[3] ^= tmp[7];
+}
+
+static void decode_des_etc(BYTE *buf,int len,int type,int cycle)
+{
+	int lop,cnt=0;
+	if(cycle<3) cycle=3;
+	else if(cycle<5) cycle++;
+	else if(cycle<7) cycle+=9;
+	else cycle+=15;
+
+	for(lop=0;lop*8<len;lop++,buf+=8) {
+		if(lop<20 || (type==0 && lop%cycle==0)){ // des
+			BitConvert(buf,BitSwapTable1);
+			BitConvert4(buf);
+			BitConvert(buf,BitSwapTable2);
+		} else {
+			if(cnt==7 && type==0){
+				int a;
+				BYTE tmp[8];
+				*(DWORD*)tmp     = *(DWORD*)buf;
+				*(DWORD*)(tmp+4) = *(DWORD*)(buf+4);
+				cnt=0;
+				buf[0]=tmp[3];
+				buf[1]=tmp[4];
+				buf[2]=tmp[6];
+				buf[3]=tmp[0];
+				buf[4]=tmp[1];
+				buf[5]=tmp[2];
+				buf[6]=tmp[5];
+				a=tmp[7];
+				if(a==0x00) a=0x2b;
+				else if(a==0x2b) a=0x00;
+				else if(a==0x01) a=0x68;
+				else if(a==0x68) a=0x01;
+				else if(a==0x48) a=0x77;
+				else if(a==0x77) a=0x48;
+				else if(a==0x60) a=0xff;
+				else if(a==0xff) a=0x60;
+				else if(a==0x6c) a=0x80;
+				else if(a==0x80) a=0x6c;
+				else if(a==0xb9) a=0xc0;
+				else if(a==0xc0) a=0xb9;
+				else if(a==0xeb) a=0xfe;
+				else if(a==0xfe) a=0xeb;
+				buf[7]=a;
+			}
+			cnt++;
+		}
+	}
+}
+/*==========================================
+ *	Grf data decode sub : zip
+ *------------------------------------------
+ */
+int decode_zip(unsigned char *dest, unsigned long* destLen, const unsigned char* source, unsigned long sourceLen)
+{
+	z_stream stream;
+	int err;
+
+	stream.next_in = (Bytef*)source;
+	stream.avail_in = (uInt)sourceLen;
+	/* Check for source > 64K on 16-bit machine: */
+	if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
+
+	stream.next_out = (Bytef*) dest;
+	stream.avail_out = (uInt)*destLen;
+	if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
+
+	stream.zalloc = (alloc_func)0;
+	stream.zfree = (free_func)0;
+
+	err = inflateInit(&stream);
+	if (err != Z_OK) return err;
+
+	err = inflate(&stream, Z_FINISH);
+	if (err != Z_STREAM_END) {
+		inflateEnd(&stream);
+		return err == Z_OK ? Z_BUF_ERROR : err;
+	}
+	*destLen = stream.total_out;
+
+	err = inflateEnd(&stream);
+	return err;
+}
+
+int encode_zip(unsigned char *dest, unsigned long* destLen, const unsigned char* source, unsigned long sourceLen) {
+	z_stream stream;
+	int err;
+	memset(&stream, 0, sizeof(stream));
+	stream.next_in = (Bytef*)source;
+	stream.avail_in = (uInt)sourceLen;
+	/* Check for source > 64K on 16-bit machine: */
+	if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
+
+	stream.next_out = (Bytef*) dest;
+	stream.avail_out = (uInt)*destLen;
+	if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
+
+	stream.zalloc = (alloc_func)0;
+	stream.zfree = (free_func)0;
+
+	err = deflateInit(&stream,Z_DEFAULT_COMPRESSION);
+	if (err != Z_OK) return err;
+
+	err = deflate(&stream, Z_FINISH);
+	if (err != Z_STREAM_END) {
+		inflateEnd(&stream);
+		return err == Z_OK ? Z_BUF_ERROR : err;
+	}
+	*destLen = stream.total_out;
+
+	err = deflateEnd(&stream);
+	return err;
+}
+
+/* ===================================
+* Unzips a file. 1: success, 0: error
+* Adapted from miniunz.c [Celest]
+* Version 1.01b, May 30th, 2004
+* Copyright (C) 1998-2004 Gilles Vollant
+* -------------------------------------
+*/
+int deflate_file (const char *source, const char *filename)
+{
+#ifdef _WIN32
+	zlib_filefunc_def ffunc;
+#endif
+	unzFile uf = NULL;
+	int err = UNZ_OK;
+	uInt size_buf = 8192;
+	FILE *fout = NULL;
+	void *buf;
+
+#ifdef _WIN32
+	fill_win32_filefunc(&ffunc);
+	uf = unzOpen2(source, &ffunc);
+#else
+	uf = unzOpen(source);
+#endif
+
+	if (uf == NULL)
+		return 0;
+
+	if (unzLocateFile(uf, filename, 0) != UNZ_OK)
+		return 0;
+
+	err = unzOpenCurrentFilePassword(uf, NULL);
+
+	fout = fopen(filename,"wb");
+	if (fout == NULL)
+		return 0;
+
+	buf = (void *)malloc(size_buf);
+	do {
+		err = unzReadCurrentFile(uf, buf, size_buf);
+		if (err < 0)
+			break;
+		if (err > 0 &&
+			fwrite(buf, err, 1, fout)!=1)
+		{
+			err = UNZ_ERRNO;
+			break;
+		}
+	} while (err > 0);
+	
+	if (fout) fclose(fout);
+
+	if (err == UNZ_OK) {
+		err = unzCloseCurrentFile (uf);
+		free(buf);
+		return (err == UNZ_OK);
+	}
+	
+	unzCloseCurrentFile(uf); /* don't lose the error */
+
+	return 0;
+}
+
+unsigned long grfio_crc32 (const unsigned char *buf, unsigned int len)
+{
+	return crc32(crc32(0L, Z_NULL, 0), buf, len);
+}
+
+/***********************************************************
+ ***                File List Subroutines                ***
+ ***********************************************************/
+
+/*==========================================
+ *	File List : Hash make
+ *------------------------------------------
+ */
+static int filehash(unsigned char *fname)
+{
+	unsigned int hash=0;
+	while(*fname) {
+		hash = ((hash<<1)+(hash>>7)*9+tolower(*fname));
+		fname++;
+	}
+	return hash & 255;
+}
+
+/*==========================================
+ *	File List : Hash initalize
+ *------------------------------------------
+ */
+static void hashinit(void)
+{
+	int lop;
+	for (lop = 0; lop < 256; lop++)
+		filelist_hash[lop] = -1;
+}
+
+/*==========================================
+ *	File List : File find
+ *------------------------------------------
+ */
+static FILELIST *filelist_find(char *fname)
+{
+	int hash;
+
+	if (!filelist)
+		return NULL;
+
+	for (hash = filelist_hash[filehash((unsigned char *) fname)]; hash >= 0; hash = filelist[hash].next) {
+		if(strcmpi(filelist[hash].fn, fname) == 0)
+			break;
+	}
+
+	return (hash >= 0) ? &filelist[hash] : NULL;
+}
+
+char *grfio_find_file(char *fname){
+	FILELIST *filelist = filelist_find(fname);
+	if (!filelist) return NULL;
+	return (!filelist->fnd?filelist->fn:filelist->fnd);
+}
+
+/*==========================================
+ *	File List : Filelist add
+ *------------------------------------------
+ */
+#define	FILELIST_ADDS	1024	// number increment of file lists `
+
+static FILELIST* filelist_add(FILELIST *entry)
+{
+	int hash;
+
+	if (filelist_entrys >= FILELIST_LIMIT) {
+		printf("GRF filelist limit reached!\n");
+		exit(1);
+	}
+
+	if (filelist_entrys >= filelist_maxentry) {
+		filelist = (FILELIST *)realloc(filelist, (filelist_maxentry + FILELIST_ADDS) * sizeof(FILELIST));
+		memset(filelist + filelist_maxentry, '\0', FILELIST_ADDS * sizeof(FILELIST));
+		filelist_maxentry += FILELIST_ADDS;
+	}
+
+	memcpy (&filelist[filelist_entrys], entry, sizeof(FILELIST));
+
+	hash = filehash((unsigned char *) entry->fn);
+	filelist[filelist_entrys].next = filelist_hash[hash];
+	filelist_hash[hash] = filelist_entrys;
+
+	filelist_entrys++;
+
+	return &filelist[filelist_entrys - 1];
+}
+
+static FILELIST* filelist_modify(FILELIST *entry)
+{
+	FILELIST *fentry;
+	if ((fentry = filelist_find(entry->fn)) != NULL) {
+		int tmp = fentry->next;
+		memcpy(fentry, entry, sizeof(FILELIST));
+		fentry->next = tmp;
+	} else {
+		fentry = filelist_add(entry);
+	}
+	return fentry;
+}
+
+/*==========================================
+ *	File List : filelist size adjust
+ *------------------------------------------
+ */
+static void filelist_adjust(void)
+{
+	if (filelist != NULL) {
+		if (filelist_maxentry > filelist_entrys) {
+			filelist = (FILELIST *)realloc(
+				filelist, filelist_entrys * sizeof(FILELIST));
+			filelist_maxentry = filelist_entrys;
+		}
+	}
+}
+
+/***********************************************************
+ ***                  Grfio Sobroutines                  ***
+ ***********************************************************/
+
+/*==========================================
+ *	Grfio : Resource file size get
+ *------------------------------------------
+ */
+int grfio_size(char *fname)
+{
+	FILELIST *entry;
+
+	entry = filelist_find(fname);
+
+	if (entry == NULL || entry->gentry < 0) {	// LocalFileCheck
+		char lfname[256], *p;
+		FILELIST lentry;
+		struct stat st;
+
+		sprintf(lfname, "%s%s", data_dir, fname);
+
+		for (p = &lfname[0]; *p != 0; p++)
+			if (*p=='\\') *p = '/';	// * At the time of Unix
+
+		if (stat(lfname, &st) == 0) {
+			strncpy(lentry.fn, fname, sizeof(lentry.fn) - 1);
+			lentry.fnd = NULL;
+			lentry.declen = st.st_size;
+			lentry.gentry = 0;	// 0:LocalFile
+			entry = filelist_modify(&lentry);
+		} else if (entry == NULL) {
+			printf("%s not found (grfio_size)\n", fname);
+			//exit(1);
+			return -1;
+		}
+	}
+	return entry->declen;
+}
+
+/*==========================================
+ *	Grfio : Resource file read & size get
+ *------------------------------------------
+ */
+void* grfio_reads(char *fname, int *size)
+{
+	FILE *in;
+	FILELIST *entry;
+	unsigned char *buf2 = NULL;
+
+	entry = filelist_find(fname);
+
+	if (entry == NULL || entry->gentry <= 0) {	// LocalFileCheck
+		char lfname[256], *p;
+		FILELIST lentry;
+
+		sprintf(lfname, "%s%s", data_dir, fname);
+		
+		for (p = &lfname[0]; *p != 0; p++)
+			if (*p == '\\') *p = '/';	// * At the time of Unix
+
+		in = fopen(lfname, "rb");
+		if (in != NULL) {
+			if (entry != NULL && entry->gentry == 0) {
+				lentry.declen = entry->declen;
+			} else {
+				fseek(in,0,2);	// SEEK_END
+				lentry.declen = ftell(in);
+			}
+			fseek(in,0,0);	// SEEK_SET
+			buf2 = (unsigned char *)malloc(lentry.declen + 1024);
+			fread(buf2, 1, lentry.declen, in);
+			fclose(in);
+			strncpy(lentry.fn, fname, sizeof(lentry.fn) - 1);
+			lentry.fnd = NULL;
+			lentry.gentry = 0;	// 0:LocalFile
+			entry = filelist_modify(&lentry);
+		} else {
+			if (entry != NULL && entry->gentry < 0) {
+				entry->gentry = -entry->gentry;	// local file checked
+			} else {
+				printf("%s not found (grfio_reads - local file %s)\n", fname, lfname);
+				return NULL;
+			}
+		}
+	}
+	if (entry != NULL && entry->gentry > 0) {	// Archive[GRF] File Read
+		char *gfname = gentry_table[entry->gentry - 1];
+		in = fopen(gfname, "rb");
+		if(in != NULL) {
+			unsigned char *buf = (unsigned char *)malloc(entry->srclen_aligned + 1024);
+			fseek(in, entry->srcpos, 0);
+			fread(buf, 1, entry->srclen_aligned, in);
+			fclose(in);
+			buf2 = (unsigned char *)malloc(entry->declen + 1024);
+			if (entry->type == 1 || entry->type == 3 || entry->type == 5) {
+				uLongf len;
+				if (entry->cycle >= 0)
+					decode_des_etc(buf, entry->srclen_aligned, entry->cycle == 0, entry->cycle);
+				len = entry->declen;
+				decode_zip(buf2, &len, buf, entry->srclen);
+				if (len != entry->declen) {
+					printf("decode_zip size mismatch err: %d != %d\n", (int)len, entry->declen);
+					free(buf);
+					free(buf2);
+					return NULL;
+				}
+			} else {
+				memcpy(buf2, buf, entry->declen);
+			}
+			free(buf);
+		} else {
+			printf("%s not found (grfio_reads - GRF file %s)\n", fname, gfname);
+			return NULL;
+		}
+	}
+	if (size != NULL && entry != NULL)
+		*size = entry->declen;
+
+	return buf2;
+}
+
+/*==========================================
+ *	Resource filename decode
+ *------------------------------------------
+ */
+static char * decode_filename(unsigned char *buf,int len)
+{
+	int lop;
+	for(lop=0;lop<len;lop+=8) {
+		NibbleSwap(&buf[lop],8);
+		BitConvert(&buf[lop],BitSwapTable1);
+		BitConvert4(&buf[lop]);
+		BitConvert(&buf[lop],BitSwapTable2);
+	}
+	return (char*)buf;
+}
+
+/*==========================================
+ * Grfio : Entry table read
+ *------------------------------------------
+ */
+static int grfio_entryread(char *gfname,int gentry)
+{
+	FILE *fp;
+	long grf_size,list_size;
+	unsigned char grf_header[0x2e];
+	int lop,entry,entrys,ofs,grf_version;
+	char *fname;
+	unsigned char *grf_filelist;
+
+	fp = fopen(gfname, "rb");
+	if (fp == NULL) {
+		printf("GRF data file not found: '%s'.\n",gfname);
+		return 1;	// 1:not found error
+	}
+
+	fseek(fp,0,2);	// SEEK_END
+	grf_size = ftell(fp);
+	fseek(fp,0,0);	// SEEK_SET
+	fread(grf_header,1,0x2e,fp);
+	if (strcmp((const char *) grf_header,"Master of Magic") ||
+		fseek(fp,getlong(grf_header+0x1e),1))	// SEEK_CUR
+	{
+		fclose(fp);
+		printf("GRF %s read error\n",gfname);
+		return 2;	// 2:file format error
+	}
+
+	grf_version = getlong(grf_header+0x2a) >> 8;
+
+	if (grf_version == 0x01) {	//****** Grf version 01xx ******
+		list_size = grf_size - ftell(fp);
+		grf_filelist = (unsigned char *) malloc(list_size);
+		fread(grf_filelist,1,list_size,fp);
+		fclose(fp);
+
+		entrys = getlong(grf_header+0x26) - getlong(grf_header+0x22) - 7;
+
+		// Get an entry
+		for (entry = 0,ofs = 0; entry < entrys; entry++) {
+			int ofs2, srclen, srccount, type;
+			char *period_ptr;
+			FILELIST aentry;
+
+			ofs2 = ofs+getlong(grf_filelist+ofs)+4;
+			type = grf_filelist[ofs2+12];
+			if (type != 0) {	// Directory Index ... skip
+				fname = decode_filename(grf_filelist+ofs+6, grf_filelist[ofs]-6);
+				if (strlen(fname) > sizeof(aentry.fn) - 1) {
+					printf("GRF file name %s is too long\n", fname);
+					free(grf_filelist);
+					exit(1);
+				}
+				srclen = 0;
+				if ((period_ptr = strrchr(fname, '.')) != NULL) {
+					for(lop = 0; lop < 4; lop++) {
+						if (strcmpi(period_ptr, ".gnd\0.gat\0.act\0.str"+lop*5) == 0)
+							break;
+					}
+					srclen = getlong(grf_filelist+ofs2) - getlong(grf_filelist+ofs2+8) - 715;
+					if(lop == 4) {
+						for(lop = 10, srccount = 1; srclen >= lop; lop = lop * 10, srccount++);
+					} else {
+						srccount = 0;
+					}
+				} else {
+					srccount = 0;
+				}
+
+				aentry.srclen         = srclen;
+				aentry.srclen_aligned = getlong(grf_filelist+ofs2+4)-37579;
+				aentry.declen         = getlong(grf_filelist+ofs2+8);
+				aentry.srcpos         = getlong(grf_filelist+ofs2+13)+0x2e;
+				aentry.cycle          = srccount;
+				aentry.type           = type;
+				strncpy(aentry.fn, fname,sizeof(aentry.fn)-1);
+				aentry.fnd			  = NULL;
+#ifdef	GRFIO_LOCAL
+				aentry.gentry         = -(gentry+1);	// As Flag for making it a negative number carrying out the first time LocalFileCheck
+#else
+				aentry.gentry         = gentry+1;		// With no first time LocalFileCheck
+#endif
+				filelist_modify(&aentry);
+			}
+			ofs = ofs2 + 17;
+		}
+		free(grf_filelist);
+
+	} else if (grf_version == 0x02) {	//****** Grf version 02xx ******
+		unsigned char eheader[8];
+		unsigned char *rBuf;
+		uLongf rSize, eSize;
+
+		fread(eheader,1,8,fp);
+		rSize = getlong(eheader);	// Read Size
+		eSize = getlong(eheader+4);	// Extend Size
+
+		if ((long)rSize > grf_size-ftell(fp)) { // Warning fix [Lance]
+			fclose(fp);
+			printf("Illegal data format: GRF compress entry size\n");
+			return 4;
+		}
+
+		rBuf = (unsigned char *)malloc(rSize);	// Get a Read Size
+		grf_filelist = (unsigned char *)malloc(eSize);	// Get a Extend Size
+		fread(rBuf,1,rSize,fp);
+		fclose(fp);
+		decode_zip(grf_filelist, &eSize, rBuf, rSize);	// Decode function
+		list_size = eSize;
+		free(rBuf);
+
+		entrys = getlong(grf_header+0x26) - 7;
+
+		// Get an entry
+		for(entry = 0, ofs = 0; entry < entrys; entry++){
+			int ofs2, srclen, srccount, type;
+			FILELIST aentry;
+
+			fname = (char*)(grf_filelist+ofs);
+			if (strlen(fname) > sizeof(aentry.fn)-1) {
+				printf("GRF file name %s is too long\n", fname);
+				free(grf_filelist);
+				exit(1);
+			}
+			//ofs2 = ofs+strlen((char*)(grf_filelist+ofs))+1;
+			ofs2 = ofs + strlen(fname)+1;
+			type = grf_filelist[ofs2+12];
+			if (type == 1 || type == 3 || type == 5) {
+				srclen = getlong(grf_filelist+ofs2);
+				if (grf_filelist[ofs2+12] == 3) {
+					for (lop = 10, srccount = 1; srclen >= lop; lop = lop * 10, srccount++);
+				} else if (grf_filelist[ofs2+12] == 5) {
+					srccount = 0;
+				} else {	// if (grf_filelist[ofs2+12]==1) {
+					srccount = -1;
+				}
+
+				aentry.srclen         = srclen;
+				aentry.srclen_aligned = getlong(grf_filelist+ofs2+4);
+				aentry.declen         = getlong(grf_filelist+ofs2+8);
+				aentry.srcpos         = getlong(grf_filelist+ofs2+13)+0x2e;
+				aentry.cycle          = srccount;
+				aentry.type           = type;
+				strncpy(aentry.fn,fname,sizeof(aentry.fn)-1);
+				aentry.fnd			  = NULL;
+#ifdef	GRFIO_LOCAL
+				aentry.gentry         = -(gentry+1);	// As Flag for making it a negative number carrying out the first time LocalFileCheck
+#else
+				aentry.gentry         = gentry+1;		// With no first time LocalFileCheck
+#endif
+				filelist_modify(&aentry);
+			}
+			ofs = ofs2 + 17;
+		}
+		free(grf_filelist);
+
+	} else {	//****** Grf Other version ******
+		fclose(fp);
+		printf("GRF version %04x not supported\n",getlong(grf_header+0x2a));
+		return 4;
+	}
+
+	filelist_adjust();	// Unnecessary area release of filelist
+
+	return 0;	// 0:no error
+}
+
+/*==========================================
+ * Grfio : Resource file check
+ *------------------------------------------
+ */
+static void grfio_resourcecheck(void)
+{
+	char w1[256], w2[256], src[256], dst[256], restable[256], line[256];
+	char *ptr, *buf;
+	FILELIST *entry;
+	int size, i = 0;
+	FILE *fp;
+
+	// read resnametable from data directory and return if successful
+	sprintf(restable, "%sdata\\resnametable.txt", data_dir);
+	for (ptr = &restable[0]; *ptr != 0; ptr++)
+		if (*ptr == '\\') *ptr = '/';
+
+	fp = fopen(restable,"rb");
+	if (fp) {
+		while (fgets(line, sizeof(line) - 1, fp)) {
+			if (sscanf(line, "%[^#]#%[^#]#", w1, w2) == 2 &&
+				// we only need the maps' GAT and RSW files
+				(strstr(w2, ".gat") || strstr(w2, ".rsw")))
+			{
+				sprintf(src, "data\\%s", w1);
+				sprintf(dst, "data\\%s", w2);
+				entry = filelist_find(dst);
+				// create new entries reusing the original's info
+				if (entry != NULL) {
+					FILELIST fentry;
+					memcpy(&fentry, entry, sizeof(FILELIST));
+					strncpy(fentry.fn, src, sizeof(fentry.fn) - 1);
+					fentry.fnd = grfio_alloc_ptr(dst);
+					filelist_modify(&fentry);
+					i++;
+				}
+			}
+		}
+		fclose(fp);
+		return;	// we're done here!
+	}
+	
+	// read resnametable from loaded GRF's, only if it cannot be
+	// loaded from the data directory
+	buf = (char *)grfio_reads("data\\resnametable.txt", &size);
+	if (buf) {
+		buf[size] = 0;
+		ptr = buf;
+
+		while (ptr - buf < size) {
+			if (sscanf(ptr, "%[^#]#%[^#]#", w1, w2) == 2 &&
+				(strstr(w2, ".gat") || strstr(w2, ".rsw")))
+			{
+				sprintf(src, "data\\%s", w1);
+				sprintf(dst, "data\\%s", w2);
+				entry = filelist_find(dst);
+				if (entry != NULL) {
+					FILELIST fentry;
+					memcpy(&fentry, entry, sizeof(FILELIST));
+					strncpy(fentry.fn, src, sizeof(fentry.fn) - 1);
+					fentry.fnd = grfio_alloc_ptr(dst);
+					filelist_modify(&fentry);
+					i++;
+				}
+			}
+			ptr = strchr(ptr,'\n');	// Next line
+			if (!ptr) break;
+			ptr++;
+		}
+		free(buf);
+		return;
+	}
+
+}
+
+/*==========================================
+ * Grfio : Resource add
+ *------------------------------------------
+ */
+#define	GENTRY_ADDS	4	// The number increment of gentry_table entries
+
+static int grfio_add(char *fname)
+{
+	grfio_alloc_ptr(fname);
+
+	return grfio_entryread(fname, gentry_entrys - 1);
+}
+
+char *grfio_alloc_ptr(char *fname)
+{
+	int len;
+	char *buf;
+
+	if (gentry_entrys >= GENTRY_LIMIT) {
+		printf("GRF file entry limit reached!\n");
+		exit(1);
+	}
+
+	if (gentry_entrys >= gentry_maxentry) {
+		gentry_maxentry += GENTRY_ADDS;
+		gentry_table = (char**)realloc(gentry_table, gentry_maxentry * sizeof(char*));
+		memset(gentry_table + (gentry_maxentry - GENTRY_ADDS), 0, sizeof(char*) * GENTRY_ADDS);
+	}
+	len = strlen( fname );
+	buf = (char*)malloc(len + 1);
+	strcpy(buf, fname);
+	gentry_table[gentry_entrys++] = buf;
+
+	return buf;
+}
+
+/*==========================================
+ * Grfio : Finalize
+ *------------------------------------------
+ */
+void grfio_final(void)
+{
+	if (filelist != NULL)
+		free(filelist);
+
+	filelist_entrys = filelist_maxentry = 0;
+
+	if (gentry_table != NULL) {
+		int lop;
+		for (lop = 0; lop < gentry_entrys; lop++) {
+			if (gentry_table[lop] != NULL)
+				free(gentry_table[lop]);
+		}
+		free(gentry_table);
+	}
+	gentry_table = NULL;
+	gentry_entrys = gentry_maxentry = 0;
+}
+
+/*==========================================
+ * Grfio : Initialize
+ *------------------------------------------
+ */
+void grfio_init(char *fname)
+{
+	FILE *data_conf;
+	char line[1024], w1[1024], w2[1024];
+	int grf_num = 0;
+
+	hashinit();	// hash table initialization
+
+	data_conf = fopen(fname, "r");
+	// It will read, if there is grf-files.txt.
+	if (data_conf) {
+		while(fgets(line, sizeof(line) - 1, data_conf)) {
+			if (line[0] == '/' && line[1] == '/')
+				continue;
+			if (sscanf(line, "%[^:]: %[^\r\n]", w1, w2) != 2)
+				continue;
+			// Entry table reading
+			if(strcmp(w1, "grf") == 0)	// GRF file
+				grf_num += (grfio_add(w2) == 0);
+			else if(strcmp(w1,"data_dir") == 0)	// Data directory
+				strcpy(data_dir, w2);
+		}
+		fclose(data_conf);
+	} // end of reading grf-files.txt
+
+	if (grf_num == 0) {
+		printf("No GRF loaded, using default data directory\n");
+	}
+
+	// Unnecessary area release of filelist
+	filelist_adjust();
+	// Resource check
+	grfio_resourcecheck();
+
+	return;
+}