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commit patch #170 "load gzip/zip compressed files"

This commit is contained in:
zeromus 2016-02-15 19:13:10 +00:00
parent 07031ea621
commit 9346ced34c
2 changed files with 29 additions and 22 deletions
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45
desmume/src/NDSSystem.cpp
View File

@ -1,6 +1,6 @@
/*
Copyright (C) 2006 yopyop
Copyright (C) 2008-2015 DeSmuME team
Copyright (C) 2008-2016 DeSmuME team
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -16,7 +16,6 @@
along with the this software. If not, see <http://www.gnu.org/licenses/>.
*/
#include "NDSSystem.h"
#include <string.h>
#include <stdlib.h>
@ -34,7 +33,7 @@
#include "armcpu.h"
#include "render3D.h"
#include "MMU.h"
#include "ROMReader.h"
#include "NDSSystem.h"
#include "gfx3d.h"
#include "GPU.h"
#include "cp15.h"
@ -424,15 +423,16 @@ bool GameInfo::loadROM(std::string fname, u32 type)
closeROM();
fROM = fopen(fname.c_str(), "rb");
char *noext = strdup(fname.c_str());
reader = ROMReaderInit(&noext); free(noext);
fROM = reader->Init(fname.c_str());
if (!fROM) return false;
headerOffset = (type == ROM_DSGBA)?DSGBA_LOADER_SIZE:0;
fseek(fROM, 0, SEEK_END);
romsize = ftell(fROM) - headerOffset;
fseek(fROM, headerOffset, SEEK_SET);
romsize = reader->Size(fROM) - headerOffset;
reader->Seek(fROM, headerOffset, SEEK_SET);
bool res = (fread(&header, 1, sizeof(header), fROM) == sizeof(header));
bool res = (reader->Read(fROM, &header, sizeof(header)) == sizeof(header));
if (res)
{
@ -523,16 +523,16 @@ bool GameInfo::loadROM(std::string fname, u32 type)
if (type == ROM_NDS)
{
fseek(fROM, 0x4000 + headerOffset, SEEK_SET);
fread(&secureArea[0], 1, 0x4000, fROM);
reader->Seek(fROM, 0x4000 + headerOffset, SEEK_SET);
reader->Read(fROM, &secureArea[0], 0x4000);
}
if (CommonSettings.loadToMemory)
{
fseek(fROM, headerOffset, SEEK_SET);
reader->Seek(fROM, headerOffset, SEEK_SET);
romdata = new u8[romsize + 4];
if (fread(romdata, 1, romsize, fROM) != romsize)
if (reader->Read(fROM, romdata, romsize) != romsize)
{
delete [] romdata; romdata = NULL;
romsize = 0;
@ -554,14 +554,14 @@ bool GameInfo::loadROM(std::string fname, u32 type)
}
_isDSiEnhanced = (LE_TO_LOCAL_32(*(u32*)(romdata + 0x180) == 0x8D898581U) && LE_TO_LOCAL_32(*(u32*)(romdata + 0x184) == 0x8C888480U));
fclose(fROM); fROM = NULL;
reader->DeInit(fROM); fROM = NULL;
return true;
}
_isDSiEnhanced = ((readROM(0x180) == 0x8D898581U) && (readROM(0x184) == 0x8C888480U));
if (hasRomBanner())
{
fseek(fROM, header.IconOff + headerOffset, SEEK_SET);
fread(&banner, 1, sizeof(RomBanner), fROM);
reader->Seek(fROM, header.IconOff + headerOffset, SEEK_SET);
reader->Read(fROM, &banner, sizeof(RomBanner));
banner.version = LE_TO_LOCAL_16(banner.version);
banner.crc16 = LE_TO_LOCAL_16(banner.crc16);
@ -571,20 +571,20 @@ bool GameInfo::loadROM(std::string fname, u32 type)
banner.palette[i] = LE_TO_LOCAL_16(banner.palette[i]);
}
}
fseek(fROM, headerOffset, SEEK_SET);
reader->Seek(fROM, headerOffset, SEEK_SET);
lastReadPos = 0;
return true;
}
romsize = 0;
fclose(fROM); fROM = NULL;
reader->DeInit(fROM); fROM = NULL;
return false;
}
void GameInfo::closeROM()
{
if (fROM)
fclose(fROM);
reader->DeInit(fROM);
if (romdata)
delete [] romdata;
@ -602,8 +602,8 @@ u32 GameInfo::readROM(u32 pos)
if (!romdata)
{
if (lastReadPos != pos)
fseek(fROM, pos + headerOffset, SEEK_SET);
num = fread(&data, 1, 4, fROM);
reader->Seek(fROM, pos + headerOffset, SEEK_SET);
num = reader->Read(fROM, &data, 4);
lastReadPos = (pos + num);
}
else
@ -658,6 +658,11 @@ static int rom_init_path(const char *filename, const char *physicalName, const c
path.init(logicalFilename? logicalFilename : filename);
if (!strcasecmp(path.extension().c_str(),"zip")
|| !strcasecmp(path.extension().c_str(),"gz")) {
type = ROM_NDS;
gameInfo.loadROM(path.path, type);
} else
if ( path.isdsgba(path.path)) {
type = ROM_DSGBA;
gameInfo.loadROM(path.path, type);

6
desmume/src/NDSSystem.h
View File

@ -1,6 +1,6 @@
/*
Copyright (C) 2006 yopyop
Copyright (C) 2008-2015 DeSmuME team
Copyright (C) 2008-2016 DeSmuME team
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -23,6 +23,7 @@
#include <string>
#include "types.h"
#include "ROMReader.h"
class BaseDriver;
class CFIRMWARE;
@ -312,7 +313,8 @@ struct RomBanner
struct GameInfo
{
FILE *fROM;
void *fROM;
ROMReader_struct *reader;
u8 *romdata;
u32 romsize;
u32 cardSize;